WebSVN – Games.Chess Giants – Blame – /render.cpp

Rev	Author	Line No.	Line
1	pmbaty	1	// render.cpp
		2
		3	// thanks ChaotikMind for optimizing the engine a bit :)
		4
		5	#include "common.h"
		6
		7
		8	// note: DirectX requires a C++ compiler.
		9	#include "DirectX9/Include/d3d9.h"
		10	#include "DirectX9/Include/d3dx9.h"
		11
		12	// include the Direct3D library files
		13	#pragma comment (lib, "DirectX9/Lib/x86/d3d9.lib")
		14	#pragma comment (lib, "DirectX9/Lib/x86/d3dx9.lib")
		15
		16
		17	// handy macro to print a chatter channel reply
		18	#define PRINT_CCREPLY(ccreply) \
		19	{ \
124	pmbaty	20	Render_wprintf (rect.right * 100.0f / initial_width, 100 - combinedheight_percent, (initial_width - rect.right) * 100.0f / initial_width, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
1	pmbaty	21	chat_fontindex, (ccreply)->color, &rect, \
		22	L"["); \
124	pmbaty	23	Render_wprintf (rect.right * 100.0f / initial_width, 100 - combinedheight_percent, (initial_width - rect.right) * 100.0f / initial_width, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
1	pmbaty	24	chat_fontindex, RGBA_TO_RGBACOLOR (159, 159, 159, RGBACOLOR_ALPHA ((ccreply)->color)), &rect, \
		25	(ccreply)->channelname); \
124	pmbaty	26	Render_wprintf (rect.right * 100.0f / initial_width, 100 - combinedheight_percent, (initial_width - rect.right) * 100.0f / initial_width, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
1	pmbaty	27	chat_fontindex, (ccreply)->color, &rect, \
		28	L"]�"); /* closing bracket + non-breakable space */ \
124	pmbaty	29	Render_wprintf (rect.right * 100.0f / initial_width, 100 - combinedheight_percent, (initial_width - rect.right) * 100.0f / initial_width, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
1	pmbaty	30	chat_fontindex, RGBA_TO_RGBACOLOR (159, 159, 159, RGBACOLOR_ALPHA ((ccreply)->color)), &rect, \
		31	(ccreply)->nickname); \
124	pmbaty	32	Render_wprintf (rect.right * 100.0f / initial_width, 100 - combinedheight_percent, (initial_width - rect.right) * 100.0f / initial_width, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
1	pmbaty	33	chat_fontindex, (ccreply)->color, &rect, \
		34	L":�"); /* colon + non-breakable space */ \
		35	if ((ccreply)->text != NULL) \
124	pmbaty	36	Render_wprintf (rect.right * 100.0f / initial_width, 100 - combinedheight_percent, (initial_width - rect.right) * 100.0f / initial_width, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
1	pmbaty	37	chat_fontindex, (ccreply)->color, &rect, \
		38	(ccreply)->text); \
		39	}
		40
		41
		42	// handy macro to draw a GUI button
		43	#define DRAW_BUTTON_IF_NEEDED(button) \
		44	{ \
		45	if ((button).state != 0) \
124	pmbaty	46	{ \
1	pmbaty	47	Render_DrawSprite (&sprites[(button).sprite_index], (button).left, (button).top, (button).width, (button).height, ((button).state == 2 ? 0xFF : 0x7F)); \
124	pmbaty	48	if ((button).text[0] != 0) \
		49	Render_wprintf ((button).left + (button).width / 2.0f, (button).top + (button).height / 2.0f, (button).width, ALIGN_CENTER, ALIGN_CENTER, ALIGN_CENTER, chat_fontindex, D3DCOLOR_ARGB (255, 255, 255, /alpha/ ((button).state == 2 ? 0xFF : 0x7F)), NULL, (button).text); \
		50	} \
1	pmbaty	51	}
		52
		53
		54	// handy macro to draw a GUI text
		55	#define DRAW_TEXT_IF_NEEDED(text) \
		56	{ \
		57	if ((text).is_displayed) \
		58	{ \
124	pmbaty	59	Render_wprintf ((text).xpos_percent, (text).ypos_percent, \
		60	(text).maxwidth_percent, (text).horizontal_align, (text).vertical_align, (text).text_align, (text).font_index, \
1	pmbaty	61	((text).want_fade ? \
		62	RGBACOLOR_SETALPHA ((text).color, \
		63	(((text).appear_time + (text).disappear_time) * 0.5f > current_time ? \
		64	/* fading in */ (int) FadeFloat (0, RGBACOLOR_ALPHA ((text).color), (text).appear_time, (text).appear_time + 0.5f) : \
		65	/* fading out */ (int) FadeFloat (RGBACOLOR_ALPHA ((text).color), 0, (text).disappear_time - 3.0f, (text).disappear_time))) : \
		66	(text).color), \
		67	NULL, (text).buffer); \
		68	if ((text).disappear_time < current_time) \
		69	(text).is_displayed = false; \
		70	} \
		71	}
		72
		73
		74	#pragma pack(push,1)
		75
		76	// definition for a vector
		77	typedef struct vector_s
		78	{
		79	float x; // X component
		80	float y; // Y component
		81	float z; // Z component
		82	} vector_t;
		83
		84
		85	// definition for a texture coordinates pair
		86	typedef struct texcoord_s
		87	{
		88	float u; // X coordinate of the texture point this vertex corresponds to
		89	float v; // Y coordinate of the texture point this vertex corresponds to
		90	} texcoord_t;
		91
		92
		93	// definition for a vertex (must be in that order for Direct3D)
		94	typedef struct vertex_s
		95	{
		96	vector_t position; // position in space
		97	vector_t normal; // coordinates of the unary normal vector of the plane this vertex is on (for illumination)
		98	texcoord_t texcoord; // coordinates of the texture point this vertex corresponds to
		99	} vertex_t;
		100
		101	#pragma pack(pop)
		102
		103
		104	// definition for a reflected object (qsort array element to sort reflections by distance)
		105	typedef struct reflectedobject_s
		106	{
		107	sceneobject_t *object; // pointer to the scene object
		108	float distance; // distance to viewer camera
		109	} reflectedobject_t;
		110
		111
		112	// definition for a material (light reflection type)
		113	typedef struct material_s
		114	{
		115	wchar_t name[32]; // material name
		116	float ambient; // ambient reflection value ranging from 0 to 1
		117	float diffuse; // diffuse reflection value ranging from 0 to 1
		118	float emissive; // emissive reflection value ranging from 0 to 1
		119	float specular; // specular reflection value ranging from 0 to 1
		120	float shininess; // shininess (specular factor)
		121	float transparency; // transparency value ranging from 0 (fully transparent) to 1 (opaque)
		122	} material_t;
		123
		124
		125	// definition for a mesh
		126	typedef struct mesh_s
		127	{
		128	unsigned long hash; // basic content hash, to avoid duplicates
		129	unsigned long vertex_format;
		130	IDirect3DVertexBuffer9 *d3dvertices; // handled opaquely by Direct3D
		131	int vertice_size;
		132	int vertice_count;
		133	bool is_indexed; // set to TRUE if this mesh has an index buffer
		134	IDirect3DIndexBuffer9 *d3dindices; // handled opaquely by Direct3D
		135	int indice_size;
		136	int indice_count;
		137	} mesh_t;
		138
		139
		140	// definition for a texture
		141	typedef struct texture_s
		142	{
		143	unsigned long hash; // basic content hash, to avoid duplicates
		144	int width;
		145	int height;
		146	IDirect3DTexture9 *texture;
		147	} texture_t;
		148
		149
		150	// definition for a font
		151	typedef struct font_s
		152	{
		153	unsigned long pathname_hash;
		154	ID3DXFont *font;
		155	} font_t;
		156
		157
		158	// definition for a sprite
		159	typedef struct sprite_s
		160	{
		161	unsigned long hash; // basic content hash, to avoid duplicates
		162	ID3DXSprite *sprite;
		163	int texture_index;
		164	} sprite_t;
		165
		166
		167	// global variables used in this module only
		168	static IDirect3D9 *d3d = NULL; // our Direct3D interface
		169	static IDirect3DDevice9 *d3ddev = NULL; // the device class
		170
		171	static material_t *materials = NULL;
		172	static int material_count = 0;
		173	static texture_t *textures = NULL;
		174	static int texture_count = 0;
		175	static mesh_t *meshes = NULL;
		176	static int mesh_count = 0;
		177	static font_t *fonts = NULL;
		178	static int font_count = 0;
		179	static sprite_t *sprites = NULL;
		180	static int sprite_count = 0;
		181	static const float fov_value = 45.0f; // field of view width, in degrees
		182	static const float viewdist_near = 1.0f; // nearest view plane distance
		183	static const float viewdist_far = 200.0f; // farthest view plane distance
6	pmbaty	184	static int initial_width = 0; // initial width of the render surface, in pixels (typically equal to the max displayable size)
		185	static int initial_height = 0; // initial height of the render surface, in pixels (typically equal to the max displayable size)
1	pmbaty	186	static float current_width = 0.0f; // current width of the client area on which the render surface is rendered, in pixels
		187	static float current_height = 0.0f; // current height of the client area on which the render surface is rendered, in pixels
		188	static D3DCOLOR ambient_light;
		189	static vector_t camera_position;
131	pmbaty	190	static vector_t scene_lookatpoint = { 0.0f, 0.0f, 0.0f };
1	pmbaty	191	static const vector_t upwards_direction = { 0.0f, 0.0f, 1.0f };
		192	static int best_supported_filter;
5	pmbaty	193	static bool is_fsaa_supported = false;
1	pmbaty	194
		195	static wchar_t printf_buffer[0xffff];
		196
		197
		198	// prototypes of functions used in this module only
		199	static bool Render_LoadMesh_X (mesh_t mesh, const wchar_t xfile_pathname);
		200	static bool Render_LoadMesh_Obj (mesh_t mesh, const wchar_t objfile_pathname);
		201	static void Render_DrawSceneObjectReflection (sceneobject_t *sceneobject);
		202	static void Render_DrawSceneObject (sceneobject_t *sceneobject);
		203	static void Render_DrawSceneTile (sceneobject_t *sceneobject);
		204	static void Render_DrawSprite (sprite_t *sprite, float x_percent, float y_percent, float width_percent, float height_percent, int alpha);
124	pmbaty	205	static void Render_GetTextBoundaries (float maxwidth_percent, int font_id, wchar_t text, RECT rect);
		206	static void Render_wprintf (float x_percent, float y_percent, float maxwidth_percent, int horiz_align, int vert_align, int text_align, int font_id, unsigned long color_rgba, RECT out_rect, const wchar_t fmt, ...);
1	pmbaty	207	static float DistanceToCamera (float x, float y, float z);
		208	static float FadeFloat (float from, float to, float start_time, float end_time);
		209	static unsigned long HashString (const wchar_t *string_buffer);
		210	static unsigned long HashFile (const wchar_t *file_pathname);
		211	static void ResolveWildcard (wchar_t file_pathname, wchar_t extensions_separated_by_bars);
		212	static int SortReflectedObjects (const void object1, const void object2);
		213
		214
116	pmbaty	215	bool Render_Init (const wchar_t *fmt, ...)
1	pmbaty	216	{
		217	// this function sets up and initializes Direct3D
		218
116	pmbaty	219	static wchar_t splashscreen_pathname[MAX_PATH];
1	pmbaty	220	static wchar_t *default_materialname = L"default";
116	pmbaty	221	va_list argptr;
1	pmbaty	222
		223	D3DCAPS9 device_capabilities;
		224	unsigned long behaviour_flags;
5	pmbaty	225	unsigned long multisample_quality_count;
1	pmbaty	226	D3DPRESENT_PARAMETERS d3dpp;
2	pmbaty	227	wchar_t errorfile_path[MAX_PATH];
1	pmbaty	228	wchar_t line_buffer[256];
		229	material_t material;
2	pmbaty	230	HRESULT ret;
1	pmbaty	231	RECT rect;
6	pmbaty	232	RECT viewport_rect;
1	pmbaty	233	FILE *fp;
		234
116	pmbaty	235	// concatenate all the arguments in one string
		236	va_start (argptr, fmt);
		237	wvsprintf (splashscreen_pathname, fmt, argptr);
		238	va_end (argptr);
		239
1	pmbaty	240	// create the Direct3D interface
		241	d3d = Direct3DCreate9 (D3D_SDK_VERSION);
		242
		243	// get hardware capabilities
		244	if (FAILED (d3d->GetDeviceCaps (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &device_capabilities)))
		245	{
		246	MessageBox (NULL, LOCALIZE (L"Error_CouldNotCreateD3DDevGetDeviceCapsFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
11	pmbaty	247	terminate_everything = true; // this is a fatal error
1	pmbaty	248	return (false);
		249	}
		250
		251	// grab info from that and adjust our D3D settings
		252	best_supported_filter = (device_capabilities.RasterCaps & D3DPRASTERCAPS_ANISOTROPY ? D3DTEXF_ANISOTROPIC : D3DTEXF_LINEAR);
		253	behaviour_flags = (device_capabilities.VertexProcessingCaps != 0 ? D3DCREATE_HARDWARE_VERTEXPROCESSING : D3DCREATE_SOFTWARE_VERTEXPROCESSING);
		254
5	pmbaty	255	// see if simple (non-maskable) full-scene antialiasing is supported and in how many quality flavors
		256	if (SUCCEEDED (d3d->CheckDeviceMultiSampleType (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, D3DFMT_X8R8G8B8, false, D3DMULTISAMPLE_NONMASKABLE, &multisample_quality_count)))
		257	is_fsaa_supported = true; // remember FSAA is supported
1	pmbaty	258
		259	memset (&d3dpp, 0, sizeof (d3dpp)); // clear out the struct for use
		260	d3dpp.Windowed = true; // always windowed (because we can't display dialog boxes in fullscreen mode)
		261	d3dpp.BackBufferCount = 1;
		262	d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; // discard old frames
		263	d3dpp.hDeviceWindow = hMainWnd; // set the window to be used by Direct3D
		264	d3dpp.EnableAutoDepthStencil = true; // enable Z-buffer and stencil buffer
		265	d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8; // D3DFMT_D15S1 15 bits should be enough to store each pixel's Z depth
5	pmbaty	266	if (is_fsaa_supported)
		267	{
		268	d3dpp.MultiSampleType = D3DMULTISAMPLE_NONMASKABLE; // use multisampling (full scene antialiasing) if supported
		269	d3dpp.MultiSampleQuality = multisample_quality_count - 1; // use the best available multisample quality
		270	}
		271	else
		272	{
		273	d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE; // do not use multisampling (full scene antialiasing)
		274	d3dpp.MultiSampleQuality = 0;
		275	}
1	pmbaty	276
6	pmbaty	277	// get main window's current rectangle and full screen size
		278	GetWindowRect (hMainWnd, &rect);
		279
		280	// create a device class using this information and the info from the d3dpp stuct. Resize the window to the max displayable
		281	// size before creating the DirectX device, so as to guarantee the viewport will never be upscaled in case of window resize.
		282	MoveWindow (hMainWnd, rect.left, rect.top, GetSystemMetrics (SM_CXSCREEN), GetSystemMetrics (SM_CYSCREEN), false);
2	pmbaty	283	if (FAILED (ret = d3d->CreateDevice (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hMainWnd, behaviour_flags, &d3dpp, &d3ddev)))
1	pmbaty	284	{
		285	MessageBox (NULL, LOCALIZE (L"Error_CouldNotCreateD3DDevCreateDeviceFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
2	pmbaty	286
		287	// on error, write a log file on the user's desktop
		288	errorfile_path[0] = 0;
		289	SHGetSpecialFolderPath (NULL, errorfile_path, CSIDL_DESKTOP, true);
		290	wcscat_s (errorfile_path, WCHAR_SIZEOF (errorfile_path), L"\\Chess Giants error.log");
		291	_wfopen_s (&fp, errorfile_path, L"w, ccs=UNICODE");
		292	if (fp != NULL)
		293	{
		294	fwprintf (fp, L"device_capabilities.DeviceType = %d\n", device_capabilities.DeviceType);
		295	fwprintf (fp, L"device_capabilities.AdapterOrdinal = %ul\n", device_capabilities.AdapterOrdinal);
		296	fwprintf (fp, L"device_capabilities.Caps = %ul\n", device_capabilities.Caps);
		297	fwprintf (fp, L"device_capabilities.Caps2 = %ul\n", device_capabilities.Caps2);
		298	fwprintf (fp, L"device_capabilities.Caps3 = %ul\n", device_capabilities.Caps3);
		299	fwprintf (fp, L"device_capabilities.PresentationIntervals = %ul\n", device_capabilities.PresentationIntervals);
		300	fwprintf (fp, L"device_capabilities.CursorCaps = %ul\n", device_capabilities.CursorCaps);
		301	fwprintf (fp, L"device_capabilities.DevCaps = %ul\n", device_capabilities.DevCaps);
		302	fwprintf (fp, L"device_capabilities.PrimitiveMiscCaps = %ul\n", device_capabilities.PrimitiveMiscCaps);
		303	fwprintf (fp, L"device_capabilities.RasterCaps = %ul\n", device_capabilities.RasterCaps);
		304	fwprintf (fp, L"device_capabilities.ZCmpCaps = %ul\n", device_capabilities.ZCmpCaps);
		305	fwprintf (fp, L"device_capabilities.SrcBlendCaps = %ul\n", device_capabilities.SrcBlendCaps);
		306	fwprintf (fp, L"device_capabilities.DestBlendCaps = %ul\n", device_capabilities.DestBlendCaps);
		307	fwprintf (fp, L"device_capabilities.AlphaCmpCaps = %ul\n", device_capabilities.AlphaCmpCaps);
		308	fwprintf (fp, L"device_capabilities.ShadeCaps = %ul\n", device_capabilities.ShadeCaps);
		309	fwprintf (fp, L"device_capabilities.TextureCaps = %ul\n", device_capabilities.TextureCaps);
		310	fwprintf (fp, L"device_capabilities.TextureFilterCaps = %ul\n", device_capabilities.TextureFilterCaps);
		311	fwprintf (fp, L"device_capabilities.CubeTextureFilterCaps = %ul\n", device_capabilities.CubeTextureFilterCaps);
		312	fwprintf (fp, L"device_capabilities.VolumeTextureFilterCaps = %ul\n", device_capabilities.VolumeTextureFilterCaps);
		313	fwprintf (fp, L"device_capabilities.TextureAddressCaps = %ul\n", device_capabilities.TextureAddressCaps);
		314	fwprintf (fp, L"device_capabilities.VolumeTextureAddressCaps = %ul\n", device_capabilities.VolumeTextureAddressCaps);
		315	fwprintf (fp, L"device_capabilities.LineCaps = %ul\n", device_capabilities.LineCaps);
		316	fwprintf (fp, L"device_capabilities.MaxTextureWidth = %ul\n", device_capabilities.MaxTextureWidth);
		317	fwprintf (fp, L"device_capabilities.MaxTextureHeight = %ul\n", device_capabilities.MaxTextureHeight);
		318	fwprintf (fp, L"device_capabilities.MaxVolumeExtent = %ul\n", device_capabilities.MaxVolumeExtent);
		319	fwprintf (fp, L"device_capabilities.MaxTextureRepeat = %ul\n", device_capabilities.MaxTextureRepeat);
		320	fwprintf (fp, L"device_capabilities.MaxTextureAspectRatio = %ul\n", device_capabilities.MaxTextureAspectRatio);
		321	fwprintf (fp, L"device_capabilities.MaxAnisotropy = %ul\n", device_capabilities.MaxAnisotropy);
		322	fwprintf (fp, L"device_capabilities.MaxVertexW = %f\n", device_capabilities.MaxVertexW);
		323	fwprintf (fp, L"device_capabilities.GuardBandLeft = %f\n", device_capabilities.GuardBandLeft);
		324	fwprintf (fp, L"device_capabilities.GuardBandTop = %f\n", device_capabilities.GuardBandTop);
		325	fwprintf (fp, L"device_capabilities.GuardBandRight = %f\n", device_capabilities.GuardBandRight);
		326	fwprintf (fp, L"device_capabilities.GuardBandBottom = %f\n", device_capabilities.GuardBandBottom);
		327	fwprintf (fp, L"device_capabilities.ExtentsAdjust = %f\n", device_capabilities.ExtentsAdjust);
		328	fwprintf (fp, L"device_capabilities.StencilCaps = %ul\n", device_capabilities.StencilCaps);
		329	fwprintf (fp, L"device_capabilities.FVFCaps = %ul\n", device_capabilities.FVFCaps);
		330	fwprintf (fp, L"device_capabilities.TextureOpCaps = %ul\n", device_capabilities.TextureOpCaps);
		331	fwprintf (fp, L"device_capabilities.MaxTextureBlendStages = %ul\n", device_capabilities.MaxTextureBlendStages);
		332	fwprintf (fp, L"device_capabilities.MaxSimultaneousTextures = %ul\n", device_capabilities.MaxSimultaneousTextures);
		333	fwprintf (fp, L"device_capabilities.VertexProcessingCaps = %ul\n", device_capabilities.VertexProcessingCaps);
		334	fwprintf (fp, L"device_capabilities.MaxActiveLights = %ul\n", device_capabilities.MaxActiveLights);
		335	fwprintf (fp, L"device_capabilities.MaxUserClipPlanes = %ul\n", device_capabilities.MaxUserClipPlanes);
		336	fwprintf (fp, L"device_capabilities.MaxVertexBlendMatrices = %ul\n", device_capabilities.MaxVertexBlendMatrices);
		337	fwprintf (fp, L"device_capabilities.MaxVertexBlendMatrixIndex = %ul\n", device_capabilities.MaxVertexBlendMatrixIndex);
		338	fwprintf (fp, L"device_capabilities.MaxPointSize = %f\n", device_capabilities.MaxPointSize);
		339	fwprintf (fp, L"device_capabilities.MaxPrimitiveCount = %ul\n", device_capabilities.MaxPrimitiveCount);
		340	fwprintf (fp, L"device_capabilities.MaxVertexIndex = %ul\n", device_capabilities.MaxVertexIndex);
		341	fwprintf (fp, L"device_capabilities.MaxStreams = %ul\n", device_capabilities.MaxStreams);
		342	fwprintf (fp, L"device_capabilities.MaxStreamStride = %ul\n", device_capabilities.MaxStreamStride);
		343	fwprintf (fp, L"device_capabilities.VertexShaderVersion = %ul\n", device_capabilities.VertexShaderVersion);
		344	fwprintf (fp, L"device_capabilities.MaxVertexShaderConst = %ul\n", device_capabilities.MaxVertexShaderConst);
		345	fwprintf (fp, L"device_capabilities.PixelShaderVersion = %ul\n", device_capabilities.PixelShaderVersion);
		346	fwprintf (fp, L"device_capabilities.PixelShader1xMaxValue = %f\n", device_capabilities.PixelShader1xMaxValue);
		347	fwprintf (fp, L"device_capabilities.DevCaps2 = %ul\n", device_capabilities.DevCaps2);
		348	fwprintf (fp, L"device_capabilities.MaxNpatchTessellationLevel = %f\n", device_capabilities.MaxNpatchTessellationLevel);
		349	fwprintf (fp, L"device_capabilities.Reserved5 = %ul\n", device_capabilities.Reserved5);
		350	fwprintf (fp, L"device_capabilities.MasterAdapterOrdinal = %ul\n", device_capabilities.MasterAdapterOrdinal);
		351	fwprintf (fp, L"device_capabilities.AdapterOrdinalInGroup = %ul\n", device_capabilities.AdapterOrdinalInGroup);
		352	fwprintf (fp, L"device_capabilities.NumberOfAdaptersInGroup = %ul\n", device_capabilities.NumberOfAdaptersInGroup);
		353	fwprintf (fp, L"device_capabilities.DeclTypes = %ul\n", device_capabilities.DeclTypes);
		354	fwprintf (fp, L"device_capabilities.NumSimultaneousRTs = %ul\n", device_capabilities.NumSimultaneousRTs);
		355	fwprintf (fp, L"device_capabilities.StretchRectFilterCaps = %ul\n", device_capabilities.StretchRectFilterCaps);
		356	fwprintf (fp, L"device_capabilities.VS20Caps.Caps = %ul\n", device_capabilities.VS20Caps.Caps);
		357	fwprintf (fp, L"device_capabilities.VS20Caps.DynamicFlowControlDepth = %d\n", device_capabilities.VS20Caps.DynamicFlowControlDepth);
		358	fwprintf (fp, L"device_capabilities.VS20Caps.NumTemps = %d\n", device_capabilities.VS20Caps.NumTemps);
		359	fwprintf (fp, L"device_capabilities.VS20Caps.StaticFlowControlDepth = %d\n", device_capabilities.VS20Caps.StaticFlowControlDepth);
		360	fwprintf (fp, L"device_capabilities.PS20Caps.Caps = %ul\n", device_capabilities.PS20Caps.Caps);
		361	fwprintf (fp, L"device_capabilities.PS20Caps.DynamicFlowControlDepth = %d\n", device_capabilities.PS20Caps.DynamicFlowControlDepth);
		362	fwprintf (fp, L"device_capabilities.PS20Caps.NumTemps = %d\n", device_capabilities.PS20Caps.NumTemps);
		363	fwprintf (fp, L"device_capabilities.PS20Caps.StaticFlowControlDepth = %d\n", device_capabilities.PS20Caps.StaticFlowControlDepth);
		364	fwprintf (fp, L"device_capabilities.PS20Caps.NumInstructionSlots = %d\n", device_capabilities.PS20Caps.NumInstructionSlots);
		365	fwprintf (fp, L"device_capabilities.VertexTextureFilterCaps = %ul\n", device_capabilities.VertexTextureFilterCaps);
		366	fwprintf (fp, L"device_capabilities.MaxVShaderInstructionsExecuted = %ul\n", device_capabilities.MaxVShaderInstructionsExecuted);
		367	fwprintf (fp, L"device_capabilities.MaxPShaderInstructionsExecuted = %ul\n", device_capabilities.MaxPShaderInstructionsExecuted);
		368	fwprintf (fp, L"device_capabilities.MaxVertexShader30InstructionSlots = %ul\n", device_capabilities.MaxVertexShader30InstructionSlots);
		369	fwprintf (fp, L"device_capabilities.MaxPixelShader30InstructionSlots = %ul\n", device_capabilities.MaxPixelShader30InstructionSlots);
		370	fwprintf (fp, L"========\n");
		371	fwprintf (fp, L"(guessed) behaviour_flags = %ul\n", behaviour_flags);
		372	fwprintf (fp, L"========\n");
5	pmbaty	373	fwprintf (fp, L"d3dpp.MultiSampleType = %d\n", d3dpp.MultiSampleType);
		374	fwprintf (fp, L"d3dpp.MultiSampleQuality = %d\n", d3dpp.MultiSampleQuality);
		375	fwprintf (fp, L"========\n");
2	pmbaty	376	fwprintf (fp, L"d3d->CreateDevice() returned %d\n", (int) ret);
		377	fclose (fp);
		378
		379	MessageBox (NULL, LOCALIZE (L"Error_GameCouldNotStartPleaseSendLogToAuthor"), LOCALIZE (L"Information"), MB_ICONINFORMATION \| MB_OK);
		380	}
		381	else
		382	MessageBox (NULL, LOCALIZE (L"Error_CouldNotWriteToLogFile"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		383
11	pmbaty	384	terminate_everything = true; // this is a fatal error
1	pmbaty	385	return (false);
		386	}
		387
6	pmbaty	388	// save the viewport's width and height
		389	GetClientRect (hMainWnd, &viewport_rect);
		390	initial_width = viewport_rect.right;
		391	initial_height = viewport_rect.bottom;
1	pmbaty	392
6	pmbaty	393	// now resize the window to its original size
		394	MoveWindow (hMainWnd, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, false);
		395
1	pmbaty	396	// set the texture parameters
		397	d3ddev->SetSamplerState (0, D3DSAMP_ADDRESSU, D3DTADDRESS_WRAP); // wrap textures around their edges
		398	d3ddev->SetSamplerState (0, D3DSAMP_ADDRESSV, D3DTADDRESS_WRAP);
		399	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE); // and modulate their alpha with the material's alpha
		400	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
		401	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
		402
		403	// enable the Z buffer
		404	d3ddev->SetRenderState (D3DRS_ZENABLE, true);
		405
		406	// disable the stencil buffer
		407	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false);
		408
		409	// normalize the face normals (if we don't, scaling will cause problems with lighting computations)
		410	d3ddev->SetRenderState (D3DRS_NORMALIZENORMALS, true);
		411
		412	// turn on alpha blending
		413	d3ddev->SetRenderState (D3DRS_ALPHABLENDENABLE, true);
		414	d3ddev->SetRenderState (D3DRS_BLENDOP, D3DBLENDOP_ADD);
		415	d3ddev->SetRenderState (D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
		416	d3ddev->SetRenderState (D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
		417
		418	// use all of the materials' light reflection properties
		419	d3ddev->SetRenderState (D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_MATERIAL);
		420	d3ddev->SetRenderState (D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_MATERIAL);
		421	d3ddev->SetRenderState (D3DRS_SPECULARMATERIALSOURCE, D3DMCS_MATERIAL);
		422	d3ddev->SetRenderState (D3DRS_EMISSIVEMATERIALSOURCE, D3DMCS_MATERIAL);
		423	d3ddev->SetRenderState (D3DRS_COLORVERTEX, false);
		424
		425	// enable 3D lighting
		426	d3ddev->SetRenderState (D3DRS_LIGHTING, true);
		427
116	pmbaty	428	// load the splash screen sprite and display it
		429	int bgsprite_index = Render_LoadSprite (splashscreen_pathname);
		430	d3ddev->Clear (0, NULL, D3DCLEAR_TARGET \| D3DCLEAR_ZBUFFER \| D3DCLEAR_STENCIL, D3DCOLOR_XRGB (0, 0, 0), 1.0f, 0);
		431	d3ddev->BeginScene (); // begins the 3D scene
		432	Render_DrawSprite (&sprites[bgsprite_index], 0.0f, 0.0f, 100.0f, 100.0f, 0xFF); // draw the background sprite
		433	d3ddev->EndScene (); // ends the 3D scene
		434	d3ddev->Present (NULL, NULL, NULL, NULL); // displays the created frame on the screen
		435
1	pmbaty	436	// open and parse the materials file and build the materials list
		437	materials = NULL;
		438	material_count = 0;
		439	_wfopen_s (&fp, L"materials.cfg", L"r, ccs=UNICODE");
		440	if (fp != NULL)
		441	{
		442	// read line per line...
		443	while (fgetws (line_buffer, WCHAR_SIZEOF (line_buffer), fp) != NULL)
		444	{
		445	// can we read a complete material line ?
		446	if (swscanf_s (line_buffer, L"\"%[^\"]\" %f %f %f %f %f %f", material.name, WCHAR_SIZEOF (material.name), &material.ambient, &material.diffuse, &material.emissive, &material.specular, &material.shininess, &material.transparency) == 7)
		447	{
		448	materials = (material_t *) SAFE_realloc (materials, material_count, material_count + 1, sizeof (material_t), false);
		449	memcpy (&materials[material_count], &material, sizeof (material_t));
		450	material_count++; // if so, append this new material to the materials array
		451	}
		452	}
		453	fclose (fp); // finished, close the file
		454	}
		455	materials = (material_t *) SAFE_realloc (materials, material_count, material_count + 1, sizeof (material_t), false);
		456	wcscpy_s (materials[material_count].name, WCHAR_SIZEOF (materials[material_count].name), default_materialname);
		457	materials[material_count].ambient = 1.0f;
		458	materials[material_count].diffuse = 1.0f;
		459	materials[material_count].emissive = 0.0f;
		460	materials[material_count].specular = 0.0f;
		461	materials[material_count].shininess = 0.0f;
		462	materials[material_count].transparency = 1.0f;
		463	material_count++; // append a default material at the end of the array and we're all set
		464
		465	return (true); // finished
		466	}
		467
		468
		469	void Render_Shutdown (void)
		470	{
		471	// this function shuts down the Direct3D interfaces and releases the Direct3D COM objects
		472
		473	int array_index;
		474
		475	// close and release font data
		476	SAFE_free ((void **) &fonts);
		477	font_count = 0;
		478
		479	// close and release sprite data
		480	SAFE_free ((void **) &sprites);
		481	sprite_count = 0;
		482
		483	// close and release meshes data
		484	if (meshes != NULL)
		485	{
		486	for (array_index = 0; array_index < mesh_count; array_index++)
		487	{
		488	if (meshes[array_index].d3dindices != NULL)
		489	meshes[array_index].d3dindices->Release ();
		490	meshes[array_index].d3dindices = NULL;
		491
		492	if (meshes[array_index].d3dvertices != NULL)
		493	meshes[array_index].d3dvertices->Release ();
		494	meshes[array_index].d3dvertices = NULL;
		495	}
		496	}
		497	meshes = NULL;
		498	mesh_count = 0;
		499
		500	// close and release texture data
		501	if (textures != NULL)
		502	{
		503	for (array_index = 0; array_index < texture_count; array_index++)
		504	if (textures[array_index].texture != NULL)
		505	textures[array_index].texture->Release ();
		506	SAFE_free ((void **) &textures);
		507	}
		508	texture_count = 0;
		509
		510	// close and release materials data
		511	SAFE_free ((void **) &materials);
		512	material_count = 0;
		513
		514	// close and release the 3D device
		515	if (d3ddev != NULL)
		516	d3ddev->Release ();
		517	d3ddev = NULL;
		518
		519	// close and release Direct3D
		520	if (d3d != NULL)
		521	d3d->Release ();
		522	d3d = NULL;
		523
		524	return; // finished
		525	}
		526
		527
		528	void Render_RenderFrame (scene_t *scene)
		529	{
		530	// this is the function used to render a single frame
		531
		532	static int framerate_value = 0;
		533	static int framerate_count = 0;
		534	static float framerate_time = 0;
		535
		536	D3DXMATRIX scaling_matrix;
		537	D3DXMATRIX translation_matrix;
		538	D3DXMATRIX view_matrix; // the view transform matrix
		539	D3DXMATRIX projection_matrix; // the projection transform matrix
		540	D3DLIGHT9 dxlight;
		541	RECT rect;
		542	float angle;
		543	float sin_pitch;
		544	float sin_yaw;
		545	float cos_pitch;
		546	float cos_yaw;
		547	int light_index;
		548	int object_index;
		549	int cchistory_index;
		550	int cchistory_index2;
124	pmbaty	551	float combinedwidth_percent;
		552	float combinedheight_percent;
1	pmbaty	553	light_t *light;
		554	ccreply_t *ccreply;
		555	sceneobject_t *sceneobject;
		556	reflectedobject_t *reflectedobjects; // mallocated
		557	int reflectedobject_count;
		558	reflectedobject_t *otherobjects; // mallocated
		559	int otherobject_count;
		560
11	pmbaty	561	if (terminate_everything)
		562	return; // consistency check
		563
1	pmbaty	564	// get the device view port and save the actual width and height
		565	GetClientRect (hMainWnd, &rect);
		566	current_width = (float) rect.right; // they may differ from window width and window height
		567	current_height = (float) rect.bottom; // because of title bars, menus, borders, etc.
		568
		569	// clear the back buffer, the Z buffer and the stencil buffer
		570	d3ddev->Clear (0, NULL, D3DCLEAR_TARGET \| D3DCLEAR_ZBUFFER \| D3DCLEAR_STENCIL, D3DCOLOR_XRGB (0, 0, 0), 1.0f, 0);
		571	d3ddev->BeginScene (); // begins the 3D scene
		572
		573	////////////////////////////////////////
		574	// Setup scene lights
		575
		576	// There are three types of light : ambient, diffuse and specular.
		577	// Diffuse lights can be of type directional (sun), point (bulb) or spot (flashlight).
		578
		579	// The attenuation formula for point lights is :
		580	// Atten = 1 / (att0 + (att1 * d) + (att2 * d�))
		581
		582	// In spot lights, Phi is the outer cone angle. Theta is the inner cone angle.
		583
		584	// set the default lighting color
		585	ambient_light = RGBACOLOR_TO_ARGBCOLOR (RGBACOLOR_FULLALPHA (theme->illum.ambient_light));
		586	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		587
		588	// for each light...
		589	for (light_index = 0; light_index < theme->illum.light_count; light_index++)
		590	{
		591	light = &theme->illum.lights[light_index]; // quick access to light
		592
		593	memset (&dxlight, 0, sizeof (dxlight)); // clear out the dxlight struct for use
		594
		595	// set its type
		596	if (light->type == LIGHT_DIRECTIONAL)
		597	dxlight.Type = D3DLIGHT_DIRECTIONAL; // directional light (e.g, sun)
		598	else if (light->type == LIGHT_POINT)
		599	dxlight.Type = D3DLIGHT_POINT; // point light (e.g, light bulb)
		600	else if (light->type == LIGHT_SPOT)
		601	dxlight.Type = D3DLIGHT_SPOT; // spot light (e.g, flash light)
		602	else
		603	{
		604	d3ddev->LightEnable (light_index, false); // unknown light ; turn off light #index
		605	continue; // and proceed to the next one
		606	}
		607
		608	// set its parameters
		609	dxlight.Diffuse = D3DXCOLOR (RGBACOLOR_TO_ARGBCOLOR (RGBACOLOR_FULLALPHA (light->color)));
		610	dxlight.Specular = D3DXCOLOR (0xffffffff);
		611	dxlight.Position.x = light->pos_x;
		612	dxlight.Position.y = light->pos_y;
		613	dxlight.Position.z = light->pos_z;
		614	dxlight.Direction.x = light->direction_x;
		615	dxlight.Direction.y = light->direction_y;
		616	dxlight.Direction.z = light->direction_z;
		617	dxlight.Range = light->range; // light won't be computed after this distance
		618	dxlight.Attenuation0 = light->attenuation_constant; // constant attenuation, see formula
		619	dxlight.Attenuation1 = light->attenuation_proportional; // proportional attenuation, see formula
		620	dxlight.Attenuation2 = light->attenuation_square; // square attenuation, see formula
		621	dxlight.Phi = light->cone_outer * TO_RADIANS; // outer spot cone
		622	dxlight.Theta = light->cone_inner * TO_RADIANS; // inner spot cone
		623
		624	d3ddev->SetLight (light_index, &dxlight); // send the light struct properties to light #index
		625	d3ddev->LightEnable (light_index, true); // turn on light #index
		626	}
		627
		628	////////////////////////////////
		629	// View transform
		630
131	pmbaty	631	// update the point looked at
		632	scene_lookatpoint.x = lookatpoint_x;
		633	scene_lookatpoint.y = lookatpoint_y;
		634
1	pmbaty	635	// compute the sine and cosine of the pitch component
		636	angle = current_pitch * TO_RADIANS;
		637	sin_pitch = sinf (angle);
		638	cos_pitch = cosf (angle);
		639
		640	// compute the sine and cosine of the yaw component
		641	angle = current_yaw * TO_RADIANS;
		642	sin_yaw = sinf (angle);
		643	cos_yaw = cosf (angle);
		644
		645	// build the camera position
131	pmbaty	646	camera_position.x = scene_lookatpoint.x + (float) -(cos_pitch * cos_yaw) * current_distance;
		647	camera_position.y = scene_lookatpoint.y + (float) -(cos_pitch * sin_yaw) * current_distance;
1	pmbaty	648	camera_position.z = (float) sin_pitch * current_distance;
		649
		650	// set up a view matrix
		651	D3DXMatrixLookAtLH (&view_matrix,
		652	(D3DXVECTOR3 *) &camera_position, // camera position
131	pmbaty	653	(D3DXVECTOR3 *) &scene_lookatpoint, // look-at position
1	pmbaty	654	(D3DXVECTOR3 *) &upwards_direction); // up direction
		655
		656	// tell Direct3D about our matrix
		657	d3ddev->SetTransform (D3DTS_VIEW, &view_matrix);
		658
		659	/////////////////////////////////////
		660	// Projection transform
		661
		662	// set up a projection matrix
		663	D3DXMatrixPerspectiveFovLH (&projection_matrix,
		664	fov_value * TO_RADIANS, // field of view width
		665	current_width / current_height, // aspect ratio
		666	viewdist_near, viewdist_far); // view plane distances
		667
		668	// tell Direct3D about our matrix
		669	d3ddev->SetTransform (D3DTS_PROJECTION, &projection_matrix);
		670
		671	/////////////////////////////////////
		672	// End of the transforms
		673
		674	// if we want it, enable specular lighting
		675	d3ddev->SetRenderState (D3DRS_SPECULARENABLE, options.want_specularlighting);
		676
		677	// turn on texture filtering if needed
		678	if (options.want_filtering)
		679	{
		680	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, best_supported_filter);
		681	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, best_supported_filter);
		682	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
		683
		684	// turn on fullscene antialiasing only if capable
5	pmbaty	685	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, is_fsaa_supported);
1	pmbaty	686	}
		687	else
		688	{
		689	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, D3DTEXF_NONE);
		690	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, D3DTEXF_NONE);
		691	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
		692
		693	// turn off fullscene antialiasing
		694	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, false);
		695	}
		696
		697	/////////////////////////////////////////////////////////////
		698	// draw the background elements. No need for a Z buffer here.
		699
		700	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable depth testing
		701
		702	// draw the background sprite, if any
		703	if (scene->background_spriteindex >= 0)
		704	Render_DrawSprite (&sprites[scene->background_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0xFF);
		705
		706	// draw the table border
		707	Render_DrawSceneObject (&scene->objects[0]);
		708	Render_DrawSceneObject (&scene->objects[1]);
		709
		710	// draw the table and build the stencil buffer at the same time
		711	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer (i.e. the "frame" for drawing table reflections)
		712	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_ALWAYS); // instruct how to fill it
		713	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_INCRSAT); // instruct how to fill it
		714	Render_DrawSceneObject (&scene->objects[2]); // draw the table squares in the stencil buffer
		715	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // finished drawing the stencil buffer
		716
		717	d3ddev->SetRenderState (D3DRS_ZENABLE, true); // re-enable depth testing
		718
		719	////////////////////////////////////////////////////////////
		720	// draw the scene objects and their reflections on the table
		721
		722	// start with the reflections if we want them, and if the table does it
		723	if (options.want_reflections && (theme->reflection_alpha > 0))
		724	{
		725	// build an array of reflected objects with their distances
		726	reflectedobjects = NULL;
		727	reflectedobject_count = 0;
		728	otherobjects = NULL;
		729	otherobject_count = 0;
		730
		731	// cycle through all parts and see which ones need to be reflected
		732	for (object_index = 3; object_index < scene->object_count; object_index++)
		733	{
		734	sceneobject = &scene->objects[object_index]; // quick access to scene object
		735
		736	// is this object a mesh AND it's above the ground ?
		737	if ((sceneobject->mesh_index != -1) && (sceneobject->z > 0))
		738	{
		739	// yes it is. It thus needs to be reflected, so add it to the list
		740	reflectedobjects = (reflectedobject_t *) SAFE_realloc (reflectedobjects, reflectedobject_count, reflectedobject_count + 1, sizeof (reflectedobject_t), false);
		741	reflectedobjects[reflectedobject_count].object = sceneobject; // save scene object
		742	reflectedobjects[reflectedobject_count].distance = DistanceToCamera (sceneobject->x, sceneobject->y, sceneobject->z);
		743	reflectedobject_count++; // we have now one object more to reflect
		744	}
		745	else
		746	{
		747	// no it's not. It doesn't need to be reflected, so add it to the other list
		748	otherobjects = (reflectedobject_t *) SAFE_realloc (otherobjects, otherobject_count, otherobject_count + 1, sizeof (reflectedobject_t), false);
		749	otherobjects[otherobject_count].object = sceneobject; // save scene object
		750	otherobjects[otherobject_count].distance = 0;
		751	otherobject_count++; // we have now one object more to reflect
		752	}
		753	}
		754
		755	// now sort them from farthest to closest and draw them in this order
		756	qsort (reflectedobjects, reflectedobject_count, sizeof (reflectedobject_t), SortReflectedObjects);
		757	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		758	Render_DrawSceneObjectReflection (reflectedobjects[object_index].object); // draw the reflection
		759	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		760	Render_DrawSceneObject (reflectedobjects[object_index].object); // and draw the objects afterwards
		761	for (object_index = 0; object_index < otherobject_count; object_index++)
		762	Render_DrawSceneObject (otherobjects[object_index].object); // finally, draw the non-reflected objects
		763
		764	SAFE_free ((void **) &reflectedobjects); // and free the reflected objects array
		765	SAFE_free ((void **) &otherobjects); // and the non-reflected objects array
		766	}
		767	else
		768	for (object_index = 3; object_index < scene->object_count; object_index++)
		769	Render_DrawSceneObject (&scene->objects[object_index]); // else if no reflections, draw the objects, the Z-buffer will sort them
		770
		771	// draw the overlay texture if required
		772	if (scene->overlay_spriteindex >= 0)
		773	Render_DrawSprite (&sprites[scene->overlay_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0x4F);
		774
		775	///////////////
		776	// draw the GUI
		777
124	pmbaty	778	DRAW_BUTTON_IF_NEEDED (scene->gui.newgamebutton); // new game
		779	DRAW_BUTTON_IF_NEEDED (scene->gui.opengamebutton); // open game
		780
1	pmbaty	781	// draw the arrows
		782	DRAW_BUTTON_IF_NEEDED (scene->gui.larrow); // left arrow
		783	DRAW_BUTTON_IF_NEEDED (scene->gui.rarrow); // right arrow
		784	DRAW_TEXT_IF_NEEDED (scene->gui.arrow_text); // arrow text
		785
		786	if (want_framerate)
124	pmbaty	787	Render_wprintf (99.0f, 1.0f, 0.0f, ALIGN_RIGHT, ALIGN_TOP, ALIGN_CENTER, arrow_fontindex, D3DCOLOR_RGBA (255, 255, 255, 255), NULL,
1	pmbaty	788	L"%d textures\n"
		789	L"%d meshes\n"
		790	L"%d fonts\n"
		791	L"%d sprites\n"
		792	L"%d fps", texture_count, mesh_count, font_count, sprite_count, framerate_value);
		793
		794	// draw the other GUI buttons
		795	DRAW_BUTTON_IF_NEEDED (scene->gui.chatbutton); // chat button
		796	DRAW_BUTTON_IF_NEEDED (scene->gui.gamesbutton); // games button
		797	DRAW_BUTTON_IF_NEEDED (scene->gui.peoplebutton); // people button
		798
		799	// does the parts pick line need to be displayed ?
		800	if (scene->gui.is_partspick_displayed)
		801	{
		802	#define PARTSIZE_PCT (100.0f / 13.0f)
		803
		804	if (scene->gui.partspick_selectedpart == 'P') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 0.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		805	else if (scene->gui.partspick_selectedpart == 'R') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 1.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		806	else if (scene->gui.partspick_selectedpart == 'N') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 2.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		807	else if (scene->gui.partspick_selectedpart == 'B') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 3.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		808	else if (scene->gui.partspick_selectedpart == 'Q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 4.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		809	else if (scene->gui.partspick_selectedpart == 'K') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 5.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		810	else if (scene->gui.partspick_selectedpart == ' ') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 6.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		811	else if (scene->gui.partspick_selectedpart == 'k') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 7.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		812	else if (scene->gui.partspick_selectedpart == 'q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 8.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		813	else if (scene->gui.partspick_selectedpart == 'b') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 9.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		814	else if (scene->gui.partspick_selectedpart == 'n') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 10.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		815	else if (scene->gui.partspick_selectedpart == 'r') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 11.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		816	else if (scene->gui.partspick_selectedpart == 'p') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 12.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		817
		818	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_WHITE][PART_PAWN]], 0.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'P') \|\| (scene->gui.partspick_selectedpart == 'P')) ? 0xFF : 0x7F)); // white pawn
		819	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_WHITE][PART_ROOK]], 1.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'R') \|\| (scene->gui.partspick_selectedpart == 'R')) ? 0xFF : 0x7F)); // white rook
		820	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_WHITE][PART_KNIGHT]], 2.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'N') \|\| (scene->gui.partspick_selectedpart == 'N')) ? 0xFF : 0x7F)); // white knight
		821	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_WHITE][PART_BISHOP]], 3.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'B') \|\| (scene->gui.partspick_selectedpart == 'B')) ? 0xFF : 0x7F)); // white bishop
		822	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_WHITE][PART_QUEEN]], 4.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'Q') \|\| (scene->gui.partspick_selectedpart == 'Q')) ? 0xFF : 0x7F)); // white queen
		823	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_WHITE][PART_KING]], 5.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'K') \|\| (scene->gui.partspick_selectedpart == 'K')) ? 0xFF : 0x7F)); // white king
		824	Render_DrawSprite (&sprites[theme->lastmovesource_spriteindex], 6.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == ' ') \|\| (scene->gui.partspick_selectedpart == ' ')) ? 0xFF : 0x7F)); // erase mark
		825	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_BLACK][PART_KING]], 7.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'k') \|\| (scene->gui.partspick_selectedpart == 'k')) ? 0xFF : 0x7F)); // black king
		826	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_BLACK][PART_QUEEN]], 8.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'q') \|\| (scene->gui.partspick_selectedpart == 'q')) ? 0xFF : 0x7F)); // black queen
		827	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_BLACK][PART_BISHOP]], 9.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'b') \|\| (scene->gui.partspick_selectedpart == 'b')) ? 0xFF : 0x7F)); // black bishop
		828	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_BLACK][PART_KNIGHT]], 10.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'n') \|\| (scene->gui.partspick_selectedpart == 'n')) ? 0xFF : 0x7F)); // black knight
		829	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_BLACK][PART_ROOK]], 11.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'r') \|\| (scene->gui.partspick_selectedpart == 'r')) ? 0xFF : 0x7F)); // black rook
		830	Render_DrawSprite (&sprites[theme->flatsprites[COLOR_BLACK][PART_PAWN]], 12.0f * PARTSIZE_PCT, 0, PARTSIZE_PCT, 11.0f, (((scene->gui.partspick_hoveredpart == 'p') \|\| (scene->gui.partspick_selectedpart == 'p')) ? 0xFF : 0x7F)); // black pawn
		831
		832	#undef PARTSIZE_PCT
		833	}
		834
		835	// draw GUI texts
		836	DRAW_TEXT_IF_NEEDED (scene->gui.comment_text); // move comments
		837	DRAW_TEXT_IF_NEEDED (scene->gui.history_text); // game history
		838	DRAW_TEXT_IF_NEEDED (scene->gui.clock_text); // game clock
		839
		840	// draw the chatter channels text
		841	Render_GetTextBoundaries (-1, chat_fontindex, L"a", &rect);
124	pmbaty	842	combinedheight_percent = (float) (rect.bottom * 100 / initial_height); // get a string's height
1	pmbaty	843
		844	// cycle through all the chat strings...
		845	ccreply = NULL;
		846	for (cchistory_index = 0; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		847	{
		848	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		849	if ((ccreply->text[0] != 0) && (ccreply->arrival_time + 60.0f > current_time))
		850	break; // break at the first one that we should display
		851	}
		852
		853	// have we some to display ?
		854	if (cchistory_index < scene->gui.cchistory_count)
		855	{
		856	// first, get the remaining text's combined height
		857	for (cchistory_index2 = cchistory_index; cchistory_index2 < scene->gui.cchistory_count; cchistory_index2++)
		858	{
		859	ccreply = &scene->gui.cchistory[cchistory_index2]; // quick access to CC reply
		860
124	pmbaty	861	combinedwidth_percent = 1.0f;
		862	Render_GetTextBoundaries (100 - combinedwidth_percent, chat_fontindex, L"[] : ", &rect);
		863	combinedwidth_percent += (float) (rect.right * 100 / initial_width);
		864	Render_GetTextBoundaries (100 - combinedwidth_percent, chat_fontindex, ccreply->channelname, &rect);
		865	combinedwidth_percent += (float) (rect.right * 100 / initial_width);
		866	Render_GetTextBoundaries (100 - combinedwidth_percent, chat_fontindex, ccreply->nickname, &rect);
		867	combinedwidth_percent += (float) (rect.right * 100 / initial_width);
		868	Render_GetTextBoundaries (100 - combinedwidth_percent, chat_fontindex, ccreply->text, &rect);
		869	combinedheight_percent += (float) (rect.bottom * 100 / initial_height); // add this string's height
1	pmbaty	870	}
		871
		872	// now for each string remaining...
		873	for (; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		874	{
		875	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		876	rect.right = 10;
		877	PRINT_CCREPLY (ccreply); // print CC reply on screen
124	pmbaty	878	combinedheight_percent -= (float) ((rect.bottom - rect.top) * 100 / initial_height); // draw it from top of zone to bottom
1	pmbaty	879	}
		880	}
		881
		882	// are we online ?
		883	if (Player_FindByType (PLAYER_INTERNET) != NULL)
		884	{
		885	ccreply = &scene->gui.entered_ccreply;
		886	if (!scene->gui.is_entering_text)
		887	ccreply->color = RGBACOLOR_SETALPHA (ccreply->color, RGBACOLOR_ALPHA (ccreply->color) / 6); // if there's no text being entered, fade CC reply a lot
		888
		889	rect.right = 10;
		890	PRINT_CCREPLY (ccreply); // print CC reply on screen
		891	}
		892
		893	// print GUI texts
		894	DRAW_TEXT_IF_NEEDED (scene->gui.turn_text); // player turn's text
		895	DRAW_TEXT_IF_NEEDED (scene->gui.central_text); // central notification zone text
		896
		897	// if needed, print the spinning wheel
		898	if (scene->gui.want_spinwheel)
		899	Render_DrawSprite (&sprites[spinner_spriteindex[(int) (10.0f * current_time) % 12]], 47.0f, 46.0f, 6.0f, 8.0f, 255);
		900
		901	// are we in demo mode ? if so, display the program name as a watermark
14	pmbaty	902	if (!is_registered)
124	pmbaty	903	Render_wprintf (50.0f, 60.0f, 0.0f, ALIGN_CENTER, ALIGN_CENTER, ALIGN_CENTER, chat_fontindex,
18	pmbaty	904	D3DCOLOR_RGBA (255, 255, 255, 255),
14	pmbaty	905	NULL, PROGRAM_NAME L"%s - " PROGRAM_URL L"\n- %d:%02d -", LOCALIZE (L"EvaluationMode"), (int) (DEMO_TIMEOUT - current_time) / 60, (int) (DEMO_TIMEOUT - current_time) % 60);
1	pmbaty	906
		907	// end 3D rendering on the back buffer
		908	//////////////////////////////////////
		909
		910	d3ddev->EndScene (); // ends the 3D scene
		911	d3ddev->Present (NULL, NULL, NULL, NULL); // displays the created frame on the screen
		912
		913	// update the frame rate
		914	if (framerate_time < current_time)
		915	{
		916	framerate_value = framerate_count;
		917	framerate_count = 0;
		918	framerate_time = current_time + 1.0f;
		919	}
		920	framerate_count++; // one frame more elapsed
		921
		922	return; // finished
		923	}
		924
		925
		926	int Render_LoadMesh (const wchar_t *fmt, ...)
		927	{
		928	// this function appends a new mesh in the global meshes buffer and returns its index
		929
		930	static wchar_t meshfile_pathname[MAX_PATH];
		931	unsigned long hash;
		932	mesh_t *mesh;
		933	int mesh_index;
		934	va_list argptr;
		935
		936	// concatenate all the arguments in one string
		937	va_start (argptr, fmt);
		938	wvsprintf (meshfile_pathname, fmt, argptr);
		939	va_end (argptr);
		940
		941	// resolve wildcards and get content hash
		942	ResolveWildcard (meshfile_pathname, L".obj");
		943	hash = HashFile (meshfile_pathname);
		944
		945	// now cycle through all our loaded meshes and see if it's already loaded
		946	for (mesh_index = 0; mesh_index < mesh_count; mesh_index++)
		947	if (meshes[mesh_index].hash == hash)
		948	return (mesh_index); // if we can find it, return its index so as not to load it twice
		949
		950	// reallocate space to hold one mesh more
		951	meshes = (mesh_t *) SAFE_realloc (meshes, mesh_count, mesh_count + 1, sizeof (mesh_t), false);
		952	mesh = &meshes[mesh_count]; // quick access to the mesh we'll be working on
		953
		954	// load the mesh
		955	if (!Render_LoadMesh_Obj (mesh, meshfile_pathname))
		956	return (-1); // bomb out on error
		957
		958	mesh->hash = hash; // save the hash
		959	mesh_count++; // we know now one mesh more
		960	return (mesh_count - 1); // return its index
		961	}
		962
		963
		964	int Render_LoadTexture (const wchar_t *fmt, ...)
		965	{
		966	// this function appends a new texture in the global textures buffer and returns its index
		967
		968	D3DSURFACE_DESC texture_description;
		969	wchar_t texturefile_pathname[MAX_PATH];
		970	static wchar_t *filename;
		971	unsigned long hash;
		972	int texture_index;
		973	va_list argptr;
		974
		975	// concatenate all the arguments in one string
		976	va_start (argptr, fmt);
		977	wvsprintf (texturefile_pathname, fmt, argptr);
		978	va_end (argptr);
		979
		980	// resolve wildcards and get content hash
		981	ResolveWildcard (texturefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		982	hash = HashFile (texturefile_pathname);
		983
		984	// now cycle through all our loaded textures and see if it's already loaded
		985	for (texture_index = 0; texture_index < texture_count; texture_index++)
		986	if (textures[texture_index].hash == hash)
		987	return (texture_index); // if we can find it, return its index so as not to load it twice
		988
		989	// reallocate space to hold one texture more
		990	textures = (texture_t *) SAFE_realloc (textures, texture_count, texture_count + 1, sizeof (texture_t), false);
		991
		992	// ask Direct3D to prepare texture data
		993	if (FAILED (D3DXCreateTextureFromFile (d3ddev, texturefile_pathname, &textures[texture_count].texture)))
		994	{
		995	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddTextureD3DXCreateTextureFromFileFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
11	pmbaty	996	terminate_everything = true; // this is a fatal error
1	pmbaty	997	return (-1); // bomb out on error
		998	}
		999
		1000	// get info on the newly loaded texture such as size etc.
		1001	textures[texture_count].texture->GetLevelDesc (0, &texture_description);
		1002	textures[texture_count].width = texture_description.Width; // save texture width (as loaded)
		1003	textures[texture_count].height = texture_description.Height; // save texture height (as loaded)
		1004	textures[texture_count].hash = hash; // save its hash
		1005	texture_count++; // we know now one texture more
		1006	return (texture_count - 1); // return its index
		1007	}
		1008
		1009
		1010	int Render_LoadFont (const wchar_t *font_name, int font_size, bool is_bold, bool is_italic)
		1011	{
		1012	// this function appends a new font in the global fonts buffer and returns its index
		1013
		1014	unsigned long pathname_hash;
		1015	int font_index;
		1016
		1017	// first, get the hash of the requested pathname (include font size and weight parameters)
		1018	pathname_hash = HashString (font_name);
		1019	pathname_hash += 3 * (unsigned long) font_size + 2 * (unsigned long) is_bold + (unsigned long) is_italic;
		1020
		1021	// now cycle through all our loaded fonts and see if it's already loaded
		1022	for (font_index = 0; font_index < font_count; font_index++)
		1023	if (fonts[font_index].pathname_hash == pathname_hash)
		1024	return (font_index); // if we can find it, return its index so as not to load it twice
		1025
		1026	// reallocate space to hold one font more
		1027	fonts = (font_t *) SAFE_realloc (fonts, font_count, font_count + 1, sizeof (font_t), false);
		1028
		1029	// create a Direct3D font object and record font data
		1030	if (FAILED (D3DXCreateFont (d3ddev, font_size, // font height
12	pmbaty	1031	2 * font_size / 5, // font width
1	pmbaty	1032	(is_bold ? FW_BOLD : FW_NORMAL), // font weight (bold, etc)
		1033	0, // miplevels
		1034	is_italic, // is italic
		1035	DEFAULT_CHARSET, // charset
		1036	OUT_DEFAULT_PRECIS, // precision
		1037	CLEARTYPE_QUALITY, // font quality (antialiased or not)
		1038	DEFAULT_PITCH \| FF_DONTCARE, // font family
		1039	font_name, // font name
		1040	&fonts[font_count].font))) // and a pointer that will receive the font
		1041	{
		1042	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddFontD3DXCreateFontFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
11	pmbaty	1043	terminate_everything = true; // this is a fatal error
1	pmbaty	1044	return (-1); // bomb out on error
		1045	}
		1046
		1047	fonts[font_count].pathname_hash = pathname_hash; // save its hash
		1048	font_count++; // we know now one font more
		1049	return (font_count - 1); // return its index
		1050	}
		1051
		1052
		1053	int Render_LoadSprite (const wchar_t *fmt, ...)
		1054	{
		1055	// this function appends a new sprite in the global sprites buffer and returns its index
		1056
		1057	wchar_t spritefile_pathname[MAX_PATH];
		1058	unsigned long hash;
		1059	int sprite_index;
		1060	va_list argptr;
		1061
		1062	// concatenate all the arguments in one string
		1063	va_start (argptr, fmt);
		1064	wvsprintf (spritefile_pathname, fmt, argptr);
		1065	va_end (argptr);
		1066
		1067	// resolve wildcards and get content hash
		1068	ResolveWildcard (spritefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		1069	hash = HashFile (spritefile_pathname);
		1070
		1071	// now cycle through all our loaded sprites and see if it's already loaded
		1072	for (sprite_index = 0; sprite_index < sprite_count; sprite_index++)
		1073	if (sprites[sprite_index].hash == hash)
		1074	return (sprite_index); // if we can find it, return its index so as not to load it twice
		1075
		1076	// reallocate space to hold one sprite more
		1077	sprites = (sprite_t *) SAFE_realloc (sprites, sprite_count, sprite_count + 1, sizeof (sprite_t), false);
		1078
		1079	// ask Direct3D to prepare texture data
		1080	if (FAILED (D3DXCreateSprite (d3ddev, &sprites[sprite_count].sprite)))
		1081	{
		1082	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddSpriteD3DXCreateSpriteFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
11	pmbaty	1083	terminate_everything = true; // this is a fatal error
1	pmbaty	1084	return (-1); // bomb out on error
		1085	}
		1086	sprites[sprite_count].texture_index = Render_LoadTexture (spritefile_pathname); // register and save sprite texture
		1087	sprites[sprite_count].hash = hash; // save its hash
		1088
		1089	sprite_count++; // we know now one sprite more
		1090	return (sprite_count - 1); // return its index
		1091	}
		1092
		1093
		1094	int Render_MaterialIndexOf (const wchar_t *material_name)
		1095	{
		1096	// this function returns the index of the material in the global materials array which has the specified name
		1097
		1098	int material_index;
		1099
		1100	// cycle through all materials and look whether one with the specified name exists
		1101	for (material_index = 0; material_index < material_count; material_index++)
		1102	if (_wcsicmp (materials[material_index].name, material_name) == 0)
		1103	return (material_index); // if we find one, return its index
		1104
		1105	return (material_count - 1); // else return the index of the last material in list, which is the default material
		1106	}
		1107
		1108
		1109	void Render_MouseToFloor (short mouse_x, short mouse_y, float floor_x, float floor_y)
		1110	{
		1111	// this function converts a mouse coordinates into floor coordinates by doing vector
		1112	// projection on the floor plane from the eyepoint of the camera
		1113
		1114	static D3DXPLANE floor_plane;
		1115	static bool is_planefound = false;
		1116
		1117	D3DXMATRIX projection_matrix;
		1118	D3DXMATRIX view_matrix;
		1119	D3DXMATRIX invertedview_matrix;
		1120	float mouse_pitch;
		1121	float mouse_yaw;
		1122	vector_t v_lookat;
		1123	vector_t v_intersection;
		1124
		1125	// find the floor plane (only do it once)
		1126	if (!is_planefound)
		1127	{
131	pmbaty	1128	D3DXPlaneFromPointNormal (&floor_plane, (D3DXVECTOR3 ) &scene_lookatpoint, (D3DXVECTOR3 ) &upwards_direction);
1	pmbaty	1129	is_planefound = true; // once and for all, as this plane will never change
		1130	}
		1131
		1132	// get the current projection and view matrices, and invert the view matrix
		1133	d3ddev->GetTransform (D3DTS_PROJECTION, &projection_matrix);
		1134	d3ddev->GetTransform (D3DTS_VIEW, &view_matrix);
		1135	D3DXMatrixInverse (&invertedview_matrix, NULL, &view_matrix);
		1136
		1137	// convert the mouse coordinates to relative pitch and yaw
		1138	mouse_pitch = (((mouse_x * 2.0f) / current_width) - 1) / projection_matrix._11;
		1139	mouse_yaw = -(((mouse_y * 2.0f) / current_height) - 1) / projection_matrix._22;
		1140
		1141	// now build a matrix that will describe the mouse direction vector, add it to the camera position, and make it 200 times longer
		1142	v_lookat.x = camera_position.x + (mouse_pitch * invertedview_matrix._11 + mouse_yaw * invertedview_matrix._21 + invertedview_matrix._31) * 200.0f;
		1143	v_lookat.y = camera_position.y + (mouse_pitch * invertedview_matrix._12 + mouse_yaw * invertedview_matrix._22 + invertedview_matrix._32) * 200.0f;
		1144	v_lookat.z = camera_position.z + (mouse_pitch * invertedview_matrix._13 + mouse_yaw * invertedview_matrix._23 + invertedview_matrix._33) * 200.0f;
		1145
		1146	// and the intersection point with our ray
		1147	D3DXPlaneIntersectLine ((D3DXVECTOR3 ) &v_intersection, &floor_plane, (D3DXVECTOR3 ) &camera_position, (D3DXVECTOR3 *) &v_lookat);
		1148
		1149	// now fill the return values
		1150	*floor_x = v_intersection.x;
		1151	*floor_y = v_intersection.y;
		1152
		1153	return; // finished
		1154	}
		1155
		1156
		1157	bool Render_IsMouseInBox (short mouse_x, short mouse_y, float x_percent, float y_percent, float width_percent, float height_percent)
		1158	{
		1159	// helper function that returns whether the mouse coordinates are inside a given square
		1160
		1161	float mousex_percent;
		1162	float mousey_percent;
		1163
		1164	// compute mouse coordinates in percents
		1165	mousex_percent = (float) (mouse_x * 100) / current_width;
		1166	mousey_percent = (float) (mouse_y * 100) / current_height;
		1167
		1168	return ((mousex_percent >= x_percent) && (mousex_percent <= x_percent + width_percent)
		1169	&& (mousey_percent >= y_percent) && (mousey_percent <= y_percent + height_percent));
		1170	}
		1171
		1172
		1173	static bool Render_LoadMesh_Obj (mesh_t mesh, const wchar_t objfile_pathname)
		1174	{
		1175	// this function loads a mesh from a Wavefront Object file (.obj)
		1176
		1177	#define OBJ_INCREASE_OR_RESIZE(count,maxcount,increment,arrayptr,type,erase) { \
		1178	(count)++; \
		1179	if ((count) == (maxcount)) \
		1180	{ \
		1181	(arrayptr) = (type *) SAFE_realloc ((arrayptr), (maxcount), (maxcount) + (increment), sizeof (type), erase); \
		1182	(maxcount) += (increment); \
		1183	} \
		1184	}
		1185	#define OBJ_CONVERT_INDEX(element,current_element_count) if ((element) < 0) (element) = (current_element_count) + (element); else (element)--;
		1186	#define OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX(uniquevertex) \
		1187	{ \
		1188	hash = &hashtable[((unsigned long ) &obj.vs[(uniquevertex).iv].x) & 0xFF]; \
		1189	for (vertex_index = 0; vertex_index < hash->count; vertex_index++) \
		1190	if ((memcmp (&vertices[hash->indices[vertex_index]].position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)) == 0) \
		1191	&& (memcmp (&vertices[hash->indices[vertex_index]].normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)) == 0) \
		1192	&& (memcmp (&vertices[hash->indices[vertex_index]].texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)) == 0)) \
		1193	break; \
		1194	if (vertex_index == hash->count) \
		1195	{ \
		1196	vertex_index = mesh->vertice_count; \
		1197	current_vertex = &vertices[vertex_index]; \
		1198	memset (current_vertex, 0, sizeof (vertex_t)); \
		1199	memcpy (&current_vertex->position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)); \
		1200	if ((uniquevertex).in > -1) \
		1201	memcpy (&current_vertex->normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)); \
		1202	if ((uniquevertex).itc > -1) \
		1203	memcpy (&current_vertex->texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)); \
		1204	hash = &hashtable[((unsigned long ) &current_vertex->normal.x) & 0xFF]; \
		1205	hash->indices = (long *) SAFE_realloc (hash->indices, hash->count, hash->count + 1, sizeof (long), false); \
		1206	hash->indices[hash->count] = vertex_index; \
		1207	hash->count++; \
		1208	mesh->vertice_count++; \
		1209	} \
		1210	else \
		1211	vertex_index = hash->indices[vertex_index]; \
		1212	}
		1213
		1214	typedef struct obj_uniquevertex_s { long iv, in, itc; } obj_uniquevertex_t;
		1215	typedef struct obj_face_s { obj_uniquevertex_t v1, v2, v3; } obj_face_t;
		1216	typedef struct obj_hashbucket_s { int count; long indices; / mallocated */ } obj_hashbucket_t;
		1217	typedef struct objfile_s
		1218	{
		1219	vector_t *vs; long v_count; long v_maxcount; // array mallocated to v_maxcount
		1220	vector_t *ns; long n_count; long n_maxcount; // array mallocated to n_maxcount
		1221	texcoord_t *tcs; long tc_count; long tc_maxcount; // array mallocated to tc_maxcount
		1222	obj_face_t *fs; long f_count; long f_maxcount; // array mallocated to f_maxcount
		1223	} objfile_t;
		1224
		1225	static obj_hashbucket_t hashtable[256];
		1226	objfile_t obj;
		1227	obj_hashbucket_t *hash;
		1228	obj_face_t *f;
		1229	vertex_t *vertices; // mallocated
		1230	unsigned long *indices; // mallocated
		1231	vertex_t *current_vertex;
81	pmbaty	1232	unsigned long file_size;
1	pmbaty	1233	char *filedata; // mallocated
		1234	char *fileptr;
		1235	int vertex_index;
		1236	int array_index;
		1237	void *ptr_to;
		1238	FILE *fp;
		1239
		1240	// open the mesh file and read it as a whole
		1241	_wfopen_s (&fp, objfile_pathname, L"rb");
		1242	if (fp == NULL)
		1243	return (false); // bomb out on error
81	pmbaty	1244	fseek (fp, 0, SEEK_END); // seek at end of file...
		1245	file_size = ftell (fp); // ...read file length...
		1246	fseek (fp, 0, SEEK_SET); // and rewind
		1247	filedata = (char *) SAFE_malloc (file_size, sizeof (char), false); // mallocate space for data
		1248	fread (filedata, file_size, 1, fp); // read file as a whole
1	pmbaty	1249	fclose (fp); // file is read, close it
		1250
		1251	// allocate space for an arbitrary amount of vertices, texture coordinates, normals and faces
		1252	memset (&obj, 0, sizeof (obj));
		1253	obj.v_maxcount = 10000; obj.vs = (vector_t *) SAFE_malloc (obj.v_maxcount, sizeof (vector_t), false);
		1254	obj.n_maxcount = 10000; obj.ns = (vector_t *) SAFE_malloc (obj.n_maxcount, sizeof (vector_t), false);
		1255	obj.tc_maxcount = 10000; obj.tcs = (texcoord_t *) SAFE_malloc (obj.tc_maxcount, sizeof (texcoord_t), false);
		1256	obj.f_maxcount = 5000; obj.fs = (obj_face_t *) SAFE_malloc (obj.f_maxcount, sizeof (obj_face_t), true); // zero out the faces array (IMPORTANT !)
		1257
		1258	// read file line per line...
		1259	fileptr = filedata - 1; // start parsing line after line
		1260	while (fileptr != NULL)
		1261	{
		1262	fileptr++; // skip the line feed (or reach the first character, if it's the first pass)
		1263
		1264	// is it a vertex-related line ?
		1265	if (fileptr[0] == L'v')
		1266	{
		1267	// is it a vertex, a normal or a texture coordinate ?
		1268	if ((fileptr[1] == L' ') && (sscanf_s (&fileptr[2], "%f %f %f", &obj.vs[obj.v_count].x, &obj.vs[obj.v_count].y, &obj.vs[obj.v_count].z) == 3))
		1269	OBJ_INCREASE_OR_RESIZE (obj.v_count, obj.v_maxcount, 10000, obj.vs, vector_t, false) // one vertex more has been read
		1270	else if ((fileptr[1] == L'n') && (sscanf_s (&fileptr[3], "%f %f %f", &obj.ns[obj.n_count].x, &obj.ns[obj.n_count].y, &obj.ns[obj.n_count].z) == 3))
		1271	OBJ_INCREASE_OR_RESIZE (obj.n_count, obj.n_maxcount, 10000, obj.ns, vector_t, false) // one normal more has been read
		1272	else if ((fileptr[1] == L't') && (sscanf_s (&fileptr[3], "%f %f", &obj.tcs[obj.tc_count].u, &obj.tcs[obj.tc_count].v) == 2))
		1273	OBJ_INCREASE_OR_RESIZE (obj.tc_count, obj.tc_maxcount, 10000, obj.tcs, texcoord_t, false) // one texture coordinate more has been read
		1274	}
		1275
		1276	// else is it a face-related line ?
		1277	else if (fileptr[0] == L'f')
		1278	{
		1279	// get a quick pointer to current face (note: it's been already blanked out by malloc())
		1280	f = &obj.fs[obj.f_count];
		1281
		1282	// is it a face with normals, a face without normals or a face without normals and texture coordinates ?
		1283	if ((sscanf_s (&fileptr[2], "%d/%d/%d %d/%d/%d %d/%d/%d", &f->v1.iv, &f->v1.itc, &f->v1.in, &f->v2.iv, &f->v2.itc, &f->v2.in, &f->v3.iv, &f->v3.itc, &f->v3.in) == 9)
		1284	\|\| (sscanf_s (&fileptr[2], "%d/%d %d/%d %d/%d", &f->v3.iv, &f->v3.itc, &f->v2.iv, &f->v2.itc, &f->v3.iv, &f->v3.itc) == 6)
		1285	\|\| (sscanf_s (&fileptr[2], "%d %d %d", &f->v3.iv, &f->v2.iv, &f->v3.iv) == 6))
		1286	{
		1287	OBJ_CONVERT_INDEX (f->v1.iv, obj.v_count);
		1288	OBJ_CONVERT_INDEX (f->v1.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1289	OBJ_CONVERT_INDEX (f->v1.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1290	OBJ_CONVERT_INDEX (f->v2.iv, obj.v_count);
		1291	OBJ_CONVERT_INDEX (f->v2.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1292	OBJ_CONVERT_INDEX (f->v2.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1293	OBJ_CONVERT_INDEX (f->v3.iv, obj.v_count);
		1294	OBJ_CONVERT_INDEX (f->v3.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1295	OBJ_CONVERT_INDEX (f->v3.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1296	OBJ_INCREASE_OR_RESIZE (obj.f_count, obj.f_maxcount, 5000, obj.fs, obj_face_t, true) // one face more has been read
		1297	}
		1298	}
		1299
		1300	fileptr = strchr (fileptr, '\n'); // proceed to next line
		1301	}
		1302
		1303	// now build our final vertex and index list
		1304	vertices = (vertex_t ) SAFE_malloc (3 obj.f_count, sizeof (vertex_t), false); // mallocate for the max number of vertices we can have
		1305	indices = (unsigned long ) SAFE_malloc (3 obj.f_count, sizeof (unsigned long), false); // mallocate for the right amount of indices
		1306
		1307	// t3h mighty l00p ^^ (builds vertex and index buffers)
		1308	memset (hashtable, 0, sizeof (hashtable)); // wipe out the hashtable
		1309	mesh->vertice_count = 0; // start with an unoptimized list
		1310	for (array_index = 0; array_index < obj.f_count; array_index++)
		1311	{
		1312	f = &obj.fs[array_index]; // quick access to current face
		1313	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v1);
		1314	indices[3 * array_index + 0] = vertex_index;
		1315	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v2);
		1316	indices[3 * array_index + 1] = vertex_index;
		1317	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v3);
		1318	indices[3 * array_index + 2] = vertex_index;
		1319	}
		1320
		1321	// now create a correctly-sized DirectX vertex buffer and populate it
		1322	mesh->vertex_format = D3DFVF_XYZ \| D3DFVF_NORMAL \| D3DFVF_TEX1;
		1323	mesh->vertice_size = sizeof (vertex_t);
		1324	d3ddev->CreateVertexBuffer (mesh->vertice_count * mesh->vertice_size, // length
		1325	D3DUSAGE_DYNAMIC, // usage
		1326	mesh->vertex_format, // vertex format
		1327	D3DPOOL_DEFAULT, // pool type
		1328	&mesh->d3dvertices, // pointer to the vertex buffer pointer
		1329	NULL); // shared handle
		1330	mesh->d3dvertices->Lock (0, mesh->vertice_count * mesh->vertice_size, &ptr_to, D3DLOCK_DISCARD);
		1331	memcpy (ptr_to, vertices, mesh->vertice_count * mesh->vertice_size);
		1332	mesh->d3dvertices->Unlock ();
		1333
		1334	// create a correctly-sized DirectX index buffer and populate it
		1335	mesh->is_indexed = true; // remember that we're building an index buffer
		1336	mesh->indice_count = obj.f_count * 3;
		1337	mesh->indice_size = (mesh->indice_count <= (int) USHRT_MAX ? 2 : 4);
		1338	d3ddev->CreateIndexBuffer (mesh->indice_count * mesh->indice_size, // length
		1339	D3DUSAGE_DYNAMIC, // usage
		1340	(mesh->indice_size == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32), // format (here, 16 or 32-bit)
		1341	D3DPOOL_DEFAULT, // pool type
		1342	&mesh->d3dindices, // pointer to the index buffer pointer
		1343	NULL); // shared handle
		1344	mesh->d3dindices->Lock (0, mesh->indice_count * mesh->indice_size, &ptr_to, D3DLOCK_DISCARD);
		1345	if (mesh->indice_size == 2)
		1346	for (array_index = 0; array_index < mesh->indice_count; array_index++)
		1347	((unsigned short *) ptr_to)[array_index] = (unsigned short) indices[array_index];
		1348	else
		1349	memcpy (ptr_to, indices, mesh->indice_count * mesh->indice_size);
		1350	mesh->d3dindices->Unlock ();
		1351
		1352	// finished, free the temporary objects
		1353	for (array_index = 0; array_index < sizeof (hashtable) / sizeof (obj_hashbucket_t); array_index++)
		1354	SAFE_free ((void **) &hashtable[array_index].indices);
		1355	SAFE_free ((void **) &indices);
		1356	SAFE_free ((void **) &vertices);
		1357	SAFE_free ((void **) &obj.vs);
		1358	SAFE_free ((void **) &obj.ns);
		1359	SAFE_free ((void **) &obj.tcs);
		1360	SAFE_free ((void **) &obj.fs);
		1361	SAFE_free ((void **) &filedata);
		1362
		1363	return (true); // Wavefront Object successfully loaded, return TRUE
		1364
		1365	#undef OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX
		1366	#undef OBJ_CONVERT_INDEX
		1367	#undef OBJ_INCREASE_OR_RESIZE
		1368	}
		1369
		1370
		1371	static void Render_DrawSceneObjectReflection (sceneobject_t *sceneobject)
		1372	{
		1373	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1374
		1375	D3DXMATRIX rotation_matrix;
		1376	D3DXMATRIX translation_matrix;
		1377	D3DXMATRIX reflect_matrix;
		1378	D3DXMATRIX scaling_matrix;
		1379	material_t *material;
		1380	D3DMATERIAL9 d3dmaterial;
		1381	D3DXPLANE plane;
		1382	mesh_t *mesh;
		1383	mesh_t *tile_mesh;
		1384	float alpha;
		1385
		1386	// draw the reflection below this mesh
		1387
		1388	// quick access to meshes
		1389	mesh = &meshes[sceneobject->mesh_index];
		1390	tile_mesh = &meshes[theme->tile_meshindex];
		1391
		1392	// set the world transform at location
131	pmbaty	1393	D3DXPlaneFromPointNormal (&plane, (D3DXVECTOR3 ) &scene_lookatpoint, (D3DXVECTOR3 ) &upwards_direction);
1	pmbaty	1394	D3DXMatrixReflect (&reflect_matrix, &plane);
		1395	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, -sceneobject->pitch * TO_RADIANS, 0.0f, -sceneobject->yaw * TO_RADIANS);
		1396	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, -sceneobject->z);
		1397	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1398
		1399	// tell Direct3D about our matrix
		1400	d3ddev->SetTransform (D3DTS_WORLD, &(reflect_matrix * scaling_matrix * rotation_matrix * translation_matrix));
		1401
		1402	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer
		1403	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_LESS); // instruct how to fill the stencil buffer
		1404	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_KEEP); // instruct how to fill the stencil buffer
		1405
		1406	// set the texture for this mesh
		1407	if (sceneobject->texture_index != -1)
		1408	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1409	else
		1410	d3ddev->SetTexture (0, NULL);
		1411
		1412	// adjust the light reflection properties by setting the material
		1413	if (sceneobject->material_index != -1)
		1414	material = &materials[sceneobject->material_index]; // use the specified scene object material
		1415	else
		1416	material = &materials[material_count - 1]; // scene object material unspecified, use default material
		1417	alpha = theme->reflection_alpha / 256.0f;
		1418	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency * alpha); // Alpha value not used according to SDK
		1419	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency * alpha);
		1420	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency * alpha); // Alpha value not used according to SDK
		1421	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency * alpha); // Alpha value not used according to SDK
		1422	d3dmaterial.Power = material->shininess;
		1423	d3ddev->SetMaterial (&d3dmaterial);
		1424
		1425	// draw the mesh subset
		1426	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1427	d3ddev->SetFVF (mesh->vertex_format);
		1428	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1429	if (mesh->is_indexed)
		1430	{
		1431	d3ddev->SetIndices (mesh->d3dindices);
		1432	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1433	}
		1434	else
		1435	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1436
		1437	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // and disable the stencil buffer
		1438
		1439	// now draw the simple shadow below this mesh
		1440
		1441	// grab the tools we need in hand
		1442	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable the Z buffer
		1443	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_XRGB (255, 255, 255)); // raise ambient light
		1444
		1445	// position the simple shadow sprite
		1446	D3DXMatrixScaling (&scaling_matrix, max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), 0.0f);
		1447	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, 0.0f);
		1448	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * translation_matrix));
		1449
		1450	// adjust the light reflection properties by setting the material
		1451	material = &materials[material_count - 1]; // use the default material
		1452	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1453	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1454	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1455	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1456	d3dmaterial.Power = material->shininess;
		1457	d3ddev->SetMaterial (&d3dmaterial);
		1458
		1459	d3ddev->SetTexture (0, textures[theme->shadow_textureindex].texture); // select the texture we want
		1460
		1461	// and then draw it
		1462	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1463	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1464	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1465	if (tile_mesh->is_indexed)
		1466	{
		1467	d3ddev->SetIndices (tile_mesh->d3dindices);
		1468	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1469	}
		1470	else
		1471	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1472
		1473	// finished, reset ambient light to its previous value and enable the Z buffer back
		1474	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1475	d3ddev->SetRenderState (D3DRS_ZENABLE, true);
		1476
		1477	return; // finished
		1478	}
		1479
		1480
		1481	static void Render_DrawSceneObject (sceneobject_t *sceneobject)
		1482	{
		1483	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1484
		1485	D3DXMATRIX rotation_matrix;
		1486	D3DXMATRIX translation_matrix;
		1487	D3DXMATRIX scaling_matrix;
		1488	material_t *material;
		1489	D3DMATERIAL9 d3dmaterial;
		1490	mesh_t *mesh;
		1491
		1492	// is this object a tile (i.e, it has no mesh) ?
		1493	if (sceneobject->mesh_index == -1)
		1494	{
		1495	Render_DrawSceneTile (sceneobject); // then draw it as a tile instead
		1496	return; // and return
		1497	}
		1498
		1499	// quick access to mesh
		1500	mesh = &meshes[sceneobject->mesh_index];
		1501
		1502	// set the world transform at location
		1503	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1504	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1505	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1506
		1507	// tell Direct3D about our matrix
		1508	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1509
		1510	// set the texture for this mesh
		1511	if (sceneobject->texture_index != -1)
		1512	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1513	else
		1514	d3ddev->SetTexture (0, NULL);
		1515
		1516	// adjust the light reflection properties by setting the material
		1517	if (sceneobject->material_index != -1)
		1518	material = &materials[sceneobject->material_index];
		1519	else
		1520	material = &materials[material_count - 1];
		1521	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1522	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1523	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1524	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1525	d3dmaterial.Power = material->shininess;
		1526	d3ddev->SetMaterial (&d3dmaterial);
		1527
		1528	// draw the mesh subset
		1529	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1530	d3ddev->SetFVF (mesh->vertex_format);
		1531
		1532	// is there transparency on this mesh ?
		1533	if (material->transparency < 1)
		1534	{
		1535	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1536	if (mesh->is_indexed)
		1537	{
		1538	d3ddev->SetIndices (mesh->d3dindices);
		1539	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1540	}
		1541	else
		1542	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1543	}
		1544
		1545	// now draw the front faces
		1546	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CCW); // draw the front faces
		1547	if (mesh->is_indexed)
		1548	{
		1549	d3ddev->SetIndices (mesh->d3dindices);
		1550	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1551	}
		1552	else
		1553	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1554
		1555	return; // finished
		1556	}
		1557
		1558
		1559	static void Render_DrawSceneTile (sceneobject_t *sceneobject)
		1560	{
		1561	// fast helper to draw a tile (i.e, an object that doesn't have a mesh) at a specified location
		1562
		1563	D3DXMATRIX rotation_matrix;
		1564	D3DXMATRIX translation_matrix;
		1565	D3DXMATRIX scaling_matrix;
		1566	material_t *material;
		1567	D3DMATERIAL9 d3dmaterial;
		1568	mesh_t *tile_mesh;
		1569
		1570	tile_mesh = &meshes[theme->tile_meshindex]; // quick access to tile mesh
		1571
		1572	// grab the tools we need in hand
		1573	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_RGBA (0xFF, 0xFF, 0xFF, 0xFF)); // raise light
		1574
		1575	// set the world transform at location
		1576	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1577	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1578	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1579
		1580	// tell Direct3D about our matrix
		1581	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1582
		1583	// adjust the light reflection properties by setting the material
		1584	material = &materials[material_count - 1]; // use the default material for tiles
		1585	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->ambient);
		1586	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->diffuse);
		1587	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->emissive);
		1588	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->specular);
		1589	d3dmaterial.Power = material->shininess;
		1590	d3ddev->SetMaterial (&d3dmaterial);
		1591
		1592	// select the texture we want
		1593	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1594
		1595	// and then draw it
		1596	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1597	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1598	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1599	if (tile_mesh->is_indexed)
		1600	{
		1601	d3ddev->SetIndices (tile_mesh->d3dindices);
		1602	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1603	}
		1604	else
		1605	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1606
		1607	// finished, reset ambient light to its previous value
		1608	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1609
		1610	return; // finished
		1611	}
		1612
		1613
		1614	static void Render_DrawSprite (sprite_t *sprite, float x_percent, float y_percent, float width_percent, float height_percent, int alpha)
		1615	{
		1616	// fast helper to draw a sprite at a specified location with certain parameters
		1617
		1618	D3DXMATRIX scaling_matrix;
		1619	texture_t *texture;
		1620	float scale_x;
		1621	float scale_y;
		1622
		1623	texture = &textures[sprite->texture_index]; // quick access to sprite's texture
		1624
		1625	scale_x = (width_percent * (float) initial_width) / (float) (100 * texture->width);
		1626	scale_y = (height_percent * (float) initial_height) / (float) (100 * texture->height);
		1627
		1628	// start rendering the sprite (an optimized version would draw all sprites in a row...)
		1629	sprite->sprite->Begin (D3DXSPRITE_ALPHABLEND);
		1630
		1631	// scale and position the sprite
		1632	D3DXMatrixTransformation2D (&scaling_matrix, // output matrix
		1633	NULL, // scaling center
		1634	0.0f, // scaling rotation
		1635	&D3DXVECTOR2 (scale_x, scale_y), // scaling ratio
		1636	&D3DXVECTOR2 (0, 0), // rotation center
		1637	0.0f, // rotation
		1638	&D3DXVECTOR2 (x_percent * (float) initial_width / 100.0f, y_percent * (float) initial_height / 100.0f)); // translation
		1639	sprite->sprite->SetTransform (&scaling_matrix); // tell the sprite about the scaling and position transform
		1640
		1641	// now draw the sprite with the specified alpha and finish rendering
		1642	sprite->sprite->Draw (texture->texture, NULL, NULL, NULL, D3DCOLOR_ARGB (alpha, 255, 255, 255));
		1643	sprite->sprite->End ();
		1644
		1645	return; // finished
		1646	}
		1647
		1648
124	pmbaty	1649	static void Render_GetTextBoundaries (float maxwidth_percent, int font_id, wchar_t text, RECT rect)
1	pmbaty	1650	{
		1651	// this function computes and returns the size of the rectangle the specified text will fit into. Note that text may be modified
		1652	// to insert new lines if it doesn't fit in a single line.
		1653
		1654	int char_index;
		1655	int length;
		1656	int optimal_length;
		1657	bool have_split;
124	pmbaty	1658	int max_width;
1	pmbaty	1659
		1660	// blank out the output rectangle
		1661	memset (rect, 0, sizeof (RECT));
		1662
		1663	// ask direct3D to compute the text size a first time
		1664	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1665
		1666	// if max width is not set, set it to viewport width
124	pmbaty	1667	if (maxwidth_percent <= 0)
1	pmbaty	1668	max_width = initial_width; // then use it to compute the real max width
124	pmbaty	1669	else
		1670	max_width = (int) ((maxwidth_percent * (float) initial_width) / 100.0f); // else if specified, convert this percentage to an absolute pixel width
1	pmbaty	1671
		1672	// do we need more than one line ?
		1673	if (rect->right > max_width)
		1674	{
		1675	// see how many lines we need and compute the optimal length of one line
		1676	length = wcslen (text);
		1677	optimal_length = length / (1 + rect->right / (int) max_width);
		1678	have_split = false;
		1679	for (char_index = optimal_length; char_index < length; char_index++)
		1680	if (iswspace (text[char_index]))
		1681	{
		1682	text[char_index] = L'\n'; // interpolate linefeeds into string
		1683	have_split = true; // remember string has been split
		1684	char_index += optimal_length;
		1685	}
		1686
		1687	// and ask direct3D to compute the text size again
		1688	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1689	}
		1690
		1691	return; // finished
		1692	}
		1693
		1694
124	pmbaty	1695	static void Render_wprintf (float x_percent, float y_percent, float maxwidth_percent, int horiz_align, int vert_align, int text_align, int font_id, unsigned long color_rgba, RECT out_rect, const wchar_t fmt, ...)
1	pmbaty	1696	{
		1697	// this function displays text on the Direct3D interface according to the given parameters. X and Y are the base coordinates of
		1698	// the text's bounding rectangle. Max_width is the maximum allowed width of this rectangle before wrapping words on a new line.
		1699	// Horiz_align and vert_align are the alignment parameters of the RECTANGLE relatively to X and Y. Text_align is the alignment of
		1700	// the TEXT inside this rectangle (meaning, you can have right-aligned text in a rectangle that is centered on a point). Font_id
		1701	// and color.alphargb define the font and color of the text. Out_rect, if filled, will point to a RECT structure describing the text's
		1702	// bounding rectangle, after any word wrapping corrections have been made. Fmt is a format string containing the text itself,
		1703	// printf-style.
		1704
		1705	va_list argptr;
		1706	RECT rect;
		1707	int left;
		1708	int top;
124	pmbaty	1709	int x;
		1710	int y;
1	pmbaty	1711
		1712	// concatenate all the arguments in one string
		1713	va_start (argptr, fmt);
		1714	wvsprintf (printf_buffer, fmt, argptr);
		1715	va_end (argptr);
		1716
124	pmbaty	1717	// translate percent coordinates into absolute coordinates
		1718	x = (int) ((x_percent * (float) initial_width) / 100.0f);
		1719	y = (int) ((y_percent * (float) initial_height) / 100.0f);
		1720
1	pmbaty	1721	// get the text boundaries
124	pmbaty	1722	Render_GetTextBoundaries (maxwidth_percent, font_id, printf_buffer, &rect);
1	pmbaty	1723
		1724	// horizontal alignment
		1725	if (horiz_align == ALIGN_LEFT)
		1726	left = x;
		1727	else if (horiz_align == ALIGN_RIGHT)
		1728	left = x - rect.right;
		1729	else
		1730	left = x - rect.right / 2;
		1731
		1732	// vertical alignment
		1733	if (vert_align == ALIGN_TOP)
		1734	top = y;
		1735	else if (vert_align == ALIGN_BOTTOM)
		1736	top = y - rect.bottom;
		1737	else
		1738	top = y - rect.bottom / 2;
		1739
		1740	// now reposition our rectangle correctly acording to alignment
		1741	OffsetRect (&rect, left, top);
		1742
		1743	// and draw the text
		1744	if (text_align == ALIGN_LEFT)
		1745	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_LEFT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1746	else if (horiz_align == ALIGN_RIGHT)
		1747	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_RIGHT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1748	else
		1749	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_CENTER, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1750
		1751	// do we want the output rectangle ?
		1752	if (out_rect != NULL)
		1753	memcpy (out_rect, &rect, sizeof (rect)); // if so, copy it in the given variable
		1754
		1755	return; // finished
		1756	}
		1757
		1758
		1759	static float DistanceToCamera (float x, float y, float z)
		1760	{
		1761	// this function computes the distance of the point at coordinates x,y,z to the camera
		1762
		1763	vector_t displacement;
		1764
		1765	// compute displacement...
		1766	displacement.x = x - camera_position.x;
		1767	displacement.y = y - camera_position.y;
		1768	displacement.z = z - camera_position.z;
		1769
		1770	// ...and then Pythagores in 3D
		1771	return (sqrtf (displacement.x * displacement.x + displacement.y * displacement.y + displacement.z * displacement.z));
		1772	}
		1773
		1774
		1775	static float FadeFloat (float from, float to, float start_time, float end_time)
		1776	{
		1777	// helper function to return a progressive variation between from and to based on time
		1778
		1779	if (end_time < current_time)
		1780	return (to);
		1781
		1782	// base + (variation) * ( fraction of completion )
		1783	return (from + (to - from) * (current_time - start_time) / (end_time - start_time));
		1784	}
		1785
		1786
		1787	static unsigned long HashString (const wchar_t *string_buffer)
		1788	{
		1789	// super fast string hash function, code courtesy of
		1790	// http://www.azillionmonkeys.com/qed/hash.html
		1791
		1792	unsigned long length;
		1793	unsigned long hash;
		1794	unsigned long tmp;
		1795	int remaining;
		1796
		1797	// first, get the string length and start with this as a hash value
		1798	length = wcslen (string_buffer) * sizeof (wchar_t);
		1799	hash = length;
		1800
		1801	// figure out how many bytes there will remain after 32-bit processing
		1802	remaining = length & 3;
		1803	length >>= 2;
		1804
		1805	// main loop, process 32-bit blocks
		1806	for ( ; length > 0; length--)
		1807	{
		1808	hash += ((const unsigned short ) string_buffer);
		1809	tmp = ((((const unsigned short ) (string_buffer + 2))) << 11) ^ hash;
		1810	hash = (hash << 16) ^ tmp;
		1811	string_buffer += 2 * sizeof (unsigned short);
		1812	hash += hash >> 11;
		1813	}
		1814
		1815	// handle the remaining bytes
		1816	if (remaining == 3)
		1817	{
		1818	hash += ((const unsigned short ) string_buffer);
		1819	hash ^= hash << 16;
		1820	hash ^= string_buffer[sizeof (unsigned short)] << 18;
		1821	hash += hash >> 11;
		1822	}
		1823	else if (remaining == 2)
		1824	{
		1825	hash += ((const unsigned short ) string_buffer);
		1826	hash ^= hash << 11;
		1827	hash += hash >> 17;
		1828	}
		1829	else if (remaining == 1)
		1830	{
		1831	hash += *string_buffer;
		1832	hash ^= hash << 10;
		1833	hash += hash >> 1;
		1834	}
		1835
		1836	// force "avalanching" of final 127 bits
		1837	hash ^= hash << 3;
		1838	hash += hash >> 5;
		1839	hash ^= hash << 4;
		1840	hash += hash >> 17;
		1841	hash ^= hash << 25;
		1842	hash += hash >> 6;
		1843
		1844	return (hash); // finished, return the hash value
		1845	}
		1846
		1847
		1848	static unsigned long HashFile (const wchar_t *file_pathname)
		1849	{
		1850	// super fast file content pseudo-hash function
		1851
		1852	unsigned short value;
81	pmbaty	1853	unsigned long file_size;
1	pmbaty	1854	FILE *fp;
		1855
		1856	// open the file
		1857	_wfopen_s (&fp, file_pathname, L"rb");
		1858	if (fp == NULL)
		1859	return ((unsigned long) time (NULL)); // if file can't be open, return a random number
		1860
81	pmbaty	1861	// seek at end of file, read file size, and rewind
		1862	fseek (fp, 0, SEEK_END);
		1863	file_size = ftell (fp);
		1864	fseek (fp, 0, SEEK_SET);
		1865
1	pmbaty	1866	// seek at 2/3 of file size (if file is small enough, return only its content)
81	pmbaty	1867	if (file_size >= 4)
1	pmbaty	1868	{
81	pmbaty	1869	fseek (fp, file_size * 2 / 3, SEEK_SET); // seek at 2/3 of file
1	pmbaty	1870	fread (&value, 2, 1, fp); // and read a word here
		1871	}
81	pmbaty	1872	else if (file_size >= 2)
1	pmbaty	1873	fread (&value, 2, 1, fp);
81	pmbaty	1874	else if (file_size == 1)
1	pmbaty	1875	value = fgetc (fp);
		1876	else
		1877	value = 0;
		1878
		1879	// finished, close the file
		1880	fclose (fp);
		1881
		1882	// and return a hash composed of the 16 lower bits of the file size and the value we read
81	pmbaty	1883	return ((unsigned long) (file_size << 16) \| (unsigned long) value);
1	pmbaty	1884	}
		1885
		1886
		1887	static void ResolveWildcard (wchar_t file_pathname, wchar_t extensions_separated_by_bars)
		1888	{
		1889	// this function resolves a pathname ending with .* by testing with various possible
		1890	// file extensions until one of the files formed that way is found to exist.
		1891
		1892	static wchar_t extension_list[256]; // needs to be modifiable for strtok()
		1893	wchar_t *current_extension;
		1894	wchar_t *wcstok_context;
		1895	int length;
		1896
		1897	wcscpy_s (extension_list, WCHAR_SIZEOF (extension_list), extensions_separated_by_bars);
		1898	length = wcslen (file_pathname); // get pathname length
		1899
		1900	// does the pathname we want NOT end with a wildcard ?
		1901	if ((length < 2) \|\| (wcscmp (&file_pathname[length - 2], L".*") != 0))
		1902	return; // no need to resolve anything
		1903
		1904	// test each extension and see if a corresponding file exists
		1905	current_extension = wcstok_s (extension_list, L"\|", &wcstok_context);
		1906	while (current_extension != NULL)
		1907	{
		1908	if (*current_extension == L'.')
		1909	current_extension++; // if current extension starts with a dot, skip it
81	pmbaty	1910
1	pmbaty	1911	wcscpy_s (&file_pathname[length - 1], wcslen (current_extension) + 1, current_extension);
81	pmbaty	1912	if (_waccess (file_pathname, 0) == 0)
1	pmbaty	1913	return; // found a file with this extension
		1914	current_extension = wcstok_s (NULL, L"\|", &wcstok_context);
		1915	}
		1916
		1917	wcscpy_s (&file_pathname[length - 1], 2, L"*");
		1918	return; // if none of these extensions match, put the wildcard back and return
		1919	}
		1920
		1921
		1922	static int SortReflectedObjects (const void object1, const void object2)
		1923	{
		1924	// callback function used by qsort() when sorting the reflected objects according to their distance to the viewer
		1925
		1926	return ((int) (1000.0f * (((reflectedobject_t ) object2)->distance - ((reflectedobject_t ) object1)->distance)));
		1927	}

Subversion Repositories Games.Chess Giants

Games.Chess Giants/render.cpp – Rev 131