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	// define this to display framerate
		18	#define WANT_FRAMERATE
		19
		20
		21	// handy macro to print a chatter channel reply
		22	#define PRINT_CCREPLY(ccreply) \
		23	{ \
		24	Render_wprintf (rect.right, initial_height - combined_height, initial_width - rect.right, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
		25	chat_fontindex, (ccreply)->color, &rect, \
		26	L"["); \
		27	Render_wprintf (rect.right, initial_height - combined_height, initial_width - rect.right, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
		28	chat_fontindex, RGBA_TO_RGBACOLOR (159, 159, 159, RGBACOLOR_ALPHA ((ccreply)->color)), &rect, \
		29	(ccreply)->channelname); \
		30	Render_wprintf (rect.right, initial_height - combined_height, initial_width - rect.right, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
		31	chat_fontindex, (ccreply)->color, &rect, \
		32	L"]�"); /* closing bracket + non-breakable space */ \
		33	Render_wprintf (rect.right, initial_height - combined_height, initial_width - rect.right, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
		34	chat_fontindex, RGBA_TO_RGBACOLOR (159, 159, 159, RGBACOLOR_ALPHA ((ccreply)->color)), &rect, \
		35	(ccreply)->nickname); \
		36	Render_wprintf (rect.right, initial_height - combined_height, initial_width - rect.right, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
		37	chat_fontindex, (ccreply)->color, &rect, \
		38	L":�"); /* colon + non-breakable space */ \
		39	if ((ccreply)->text != NULL) \
		40	Render_wprintf (rect.right, initial_height - combined_height, initial_width - rect.right, ALIGN_LEFT, ALIGN_TOP, ALIGN_LEFT, \
		41	chat_fontindex, (ccreply)->color, &rect, \
		42	(ccreply)->text); \
		43	}
		44
		45
		46	// handy macro to draw a GUI button
		47	#define DRAW_BUTTON_IF_NEEDED(button) \
		48	{ \
		49	if ((button).state != 0) \
		50	Render_DrawSprite (&sprites[(button).sprite_index], (button).left, (button).top, (button).width, (button).height, ((button).state == 2 ? 0xFF : 0x7F)); \
		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	{ \
		59	Render_wprintf ((int) ((text).xpos_percent * (float) initial_width) / 100, (int) ((text).ypos_percent * (float) initial_height) / 100, \
		60	(int) ((text).maxwidth_percent * (float) initial_width) / 100, (text).horizontal_align, (text).vertical_align, (text).text_align, (text).font_index, \
		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;
		190	static const vector_t scene_center = { 0.0f, 0.0f, 0.0f };
		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);
		205	static void Render_GetTextBoundaries (int max_width, int font_id, wchar_t text, RECT rect);
		206	static void Render_wprintf (int x, int y, int max_width, int horiz_align, int vert_align, int text_align, int font_id, unsigned long color_rgba, RECT out_rect, const wchar_t fmt, ...);
		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;
		551	int combined_width;
		552	int combined_height;
		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
		631	// compute the sine and cosine of the pitch component
		632	angle = current_pitch * TO_RADIANS;
		633	sin_pitch = sinf (angle);
		634	cos_pitch = cosf (angle);
		635
		636	// compute the sine and cosine of the yaw component
		637	angle = current_yaw * TO_RADIANS;
		638	sin_yaw = sinf (angle);
		639	cos_yaw = cosf (angle);
		640
		641	// build the camera position
		642	camera_position.x = (float) -(cos_pitch * cos_yaw) * current_distance;
		643	camera_position.y = (float) -(cos_pitch * sin_yaw) * current_distance;
		644	camera_position.z = (float) sin_pitch * current_distance;
		645
		646	// set up a view matrix
		647	D3DXMatrixLookAtLH (&view_matrix,
		648	(D3DXVECTOR3 *) &camera_position, // camera position
		649	(D3DXVECTOR3 *) &scene_center, // look-at position
		650	(D3DXVECTOR3 *) &upwards_direction); // up direction
		651
		652	// tell Direct3D about our matrix
		653	d3ddev->SetTransform (D3DTS_VIEW, &view_matrix);
		654
		655	/////////////////////////////////////
		656	// Projection transform
		657
		658	// set up a projection matrix
		659	D3DXMatrixPerspectiveFovLH (&projection_matrix,
		660	fov_value * TO_RADIANS, // field of view width
		661	current_width / current_height, // aspect ratio
		662	viewdist_near, viewdist_far); // view plane distances
		663
		664	// tell Direct3D about our matrix
		665	d3ddev->SetTransform (D3DTS_PROJECTION, &projection_matrix);
		666
		667	/////////////////////////////////////
		668	// End of the transforms
		669
		670	// if we want it, enable specular lighting
		671	d3ddev->SetRenderState (D3DRS_SPECULARENABLE, options.want_specularlighting);
		672
		673	// turn on texture filtering if needed
		674	if (options.want_filtering)
		675	{
		676	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, best_supported_filter);
		677	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, best_supported_filter);
		678	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
		679
		680	// turn on fullscene antialiasing only if capable
5	pmbaty	681	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, is_fsaa_supported);
1	pmbaty	682	}
		683	else
		684	{
		685	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, D3DTEXF_NONE);
		686	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, D3DTEXF_NONE);
		687	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
		688
		689	// turn off fullscene antialiasing
		690	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, false);
		691	}
		692
		693	/////////////////////////////////////////////////////////////
		694	// draw the background elements. No need for a Z buffer here.
		695
		696	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable depth testing
		697
		698	// draw the background sprite, if any
		699	if (scene->background_spriteindex >= 0)
		700	Render_DrawSprite (&sprites[scene->background_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0xFF);
		701
		702	// draw the table border
		703	Render_DrawSceneObject (&scene->objects[0]);
		704	Render_DrawSceneObject (&scene->objects[1]);
		705
		706	// draw the table and build the stencil buffer at the same time
		707	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer (i.e. the "frame" for drawing table reflections)
		708	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_ALWAYS); // instruct how to fill it
		709	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_INCRSAT); // instruct how to fill it
		710	Render_DrawSceneObject (&scene->objects[2]); // draw the table squares in the stencil buffer
		711	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // finished drawing the stencil buffer
		712
		713	d3ddev->SetRenderState (D3DRS_ZENABLE, true); // re-enable depth testing
		714
		715	////////////////////////////////////////////////////////////
		716	// draw the scene objects and their reflections on the table
		717
		718	// start with the reflections if we want them, and if the table does it
		719	if (options.want_reflections && (theme->reflection_alpha > 0))
		720	{
		721	// build an array of reflected objects with their distances
		722	reflectedobjects = NULL;
		723	reflectedobject_count = 0;
		724	otherobjects = NULL;
		725	otherobject_count = 0;
		726
		727	// cycle through all parts and see which ones need to be reflected
		728	for (object_index = 3; object_index < scene->object_count; object_index++)
		729	{
		730	sceneobject = &scene->objects[object_index]; // quick access to scene object
		731
		732	// is this object a mesh AND it's above the ground ?
		733	if ((sceneobject->mesh_index != -1) && (sceneobject->z > 0))
		734	{
		735	// yes it is. It thus needs to be reflected, so add it to the list
		736	reflectedobjects = (reflectedobject_t *) SAFE_realloc (reflectedobjects, reflectedobject_count, reflectedobject_count + 1, sizeof (reflectedobject_t), false);
		737	reflectedobjects[reflectedobject_count].object = sceneobject; // save scene object
		738	reflectedobjects[reflectedobject_count].distance = DistanceToCamera (sceneobject->x, sceneobject->y, sceneobject->z);
		739	reflectedobject_count++; // we have now one object more to reflect
		740	}
		741	else
		742	{
		743	// no it's not. It doesn't need to be reflected, so add it to the other list
		744	otherobjects = (reflectedobject_t *) SAFE_realloc (otherobjects, otherobject_count, otherobject_count + 1, sizeof (reflectedobject_t), false);
		745	otherobjects[otherobject_count].object = sceneobject; // save scene object
		746	otherobjects[otherobject_count].distance = 0;
		747	otherobject_count++; // we have now one object more to reflect
		748	}
		749	}
		750
		751	// now sort them from farthest to closest and draw them in this order
		752	qsort (reflectedobjects, reflectedobject_count, sizeof (reflectedobject_t), SortReflectedObjects);
		753	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		754	Render_DrawSceneObjectReflection (reflectedobjects[object_index].object); // draw the reflection
		755	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		756	Render_DrawSceneObject (reflectedobjects[object_index].object); // and draw the objects afterwards
		757	for (object_index = 0; object_index < otherobject_count; object_index++)
		758	Render_DrawSceneObject (otherobjects[object_index].object); // finally, draw the non-reflected objects
		759
		760	SAFE_free ((void **) &reflectedobjects); // and free the reflected objects array
		761	SAFE_free ((void **) &otherobjects); // and the non-reflected objects array
		762	}
		763	else
		764	for (object_index = 3; object_index < scene->object_count; object_index++)
		765	Render_DrawSceneObject (&scene->objects[object_index]); // else if no reflections, draw the objects, the Z-buffer will sort them
		766
		767	// draw the overlay texture if required
		768	if (scene->overlay_spriteindex >= 0)
		769	Render_DrawSprite (&sprites[scene->overlay_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0x4F);
		770
		771	///////////////
		772	// draw the GUI
		773
		774	// draw the arrows
		775	DRAW_BUTTON_IF_NEEDED (scene->gui.larrow); // left arrow
		776	DRAW_BUTTON_IF_NEEDED (scene->gui.rarrow); // right arrow
		777	DRAW_TEXT_IF_NEEDED (scene->gui.arrow_text); // arrow text
		778
		779	if (want_framerate)
		780	Render_wprintf (initial_width - 10, 10, 62, ALIGN_RIGHT, ALIGN_TOP, ALIGN_CENTER, arrow_fontindex, D3DCOLOR_RGBA (255, 255, 255, 255), NULL,
		781	L"%d textures\n"
		782	L"%d meshes\n"
		783	L"%d fonts\n"
		784	L"%d sprites\n"
		785	L"%d fps", texture_count, mesh_count, font_count, sprite_count, framerate_value);
		786
		787	// draw the other GUI buttons
		788	DRAW_BUTTON_IF_NEEDED (scene->gui.chatbutton); // chat button
		789	DRAW_BUTTON_IF_NEEDED (scene->gui.gamesbutton); // games button
		790	DRAW_BUTTON_IF_NEEDED (scene->gui.peoplebutton); // people button
		791
		792	// does the parts pick line need to be displayed ?
		793	if (scene->gui.is_partspick_displayed)
		794	{
		795	#define PARTSIZE_PCT (100.0f / 13.0f)
		796
		797	if (scene->gui.partspick_selectedpart == 'P') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 0.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		798	else if (scene->gui.partspick_selectedpart == 'R') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 1.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		799	else if (scene->gui.partspick_selectedpart == 'N') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 2.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		800	else if (scene->gui.partspick_selectedpart == 'B') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 3.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		801	else if (scene->gui.partspick_selectedpart == 'Q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 4.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		802	else if (scene->gui.partspick_selectedpart == 'K') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 5.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		803	else if (scene->gui.partspick_selectedpart == ' ') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 6.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		804	else if (scene->gui.partspick_selectedpart == 'k') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 7.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		805	else if (scene->gui.partspick_selectedpart == 'q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 8.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		806	else if (scene->gui.partspick_selectedpart == 'b') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 9.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		807	else if (scene->gui.partspick_selectedpart == 'n') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 10.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		808	else if (scene->gui.partspick_selectedpart == 'r') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 11.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		809	else if (scene->gui.partspick_selectedpart == 'p') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 12.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		810
		811	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
		812	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
		813	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
		814	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
		815	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
		816	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
		817	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
		818	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
		819	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
		820	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
		821	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
		822	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
		823	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
		824
		825	#undef PARTSIZE_PCT
		826	}
		827
		828	// draw GUI texts
		829	DRAW_TEXT_IF_NEEDED (scene->gui.comment_text); // move comments
		830	DRAW_TEXT_IF_NEEDED (scene->gui.history_text); // game history
		831	DRAW_TEXT_IF_NEEDED (scene->gui.clock_text); // game clock
		832
		833	// draw the chatter channels text
		834	Render_GetTextBoundaries (-1, chat_fontindex, L"a", &rect);
		835	combined_height = rect.bottom; // get a string's height
		836
		837	// cycle through all the chat strings...
		838	ccreply = NULL;
		839	for (cchistory_index = 0; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		840	{
		841	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		842	if ((ccreply->text[0] != 0) && (ccreply->arrival_time + 60.0f > current_time))
		843	break; // break at the first one that we should display
		844	}
		845
		846	// have we some to display ?
		847	if (cchistory_index < scene->gui.cchistory_count)
		848	{
		849	// first, get the remaining text's combined height
		850	for (cchistory_index2 = cchistory_index; cchistory_index2 < scene->gui.cchistory_count; cchistory_index2++)
		851	{
		852	ccreply = &scene->gui.cchistory[cchistory_index2]; // quick access to CC reply
		853
		854	combined_width = 10;
		855	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, L"[] : ", &rect);
		856	combined_width += rect.right;
		857	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->channelname, &rect);
		858	combined_width += rect.right;
		859	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->nickname, &rect);
		860	combined_width += rect.right;
		861	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->text, &rect);
		862	combined_height += rect.bottom; // add this string's height
		863	}
		864
		865	// now for each string remaining...
		866	for (; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		867	{
		868	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		869	rect.right = 10;
		870	PRINT_CCREPLY (ccreply); // print CC reply on screen
		871	combined_height -= (rect.bottom - rect.top); // draw it from top of zone to bottom
		872	}
		873	}
		874
		875	// are we online ?
		876	if (Player_FindByType (PLAYER_INTERNET) != NULL)
		877	{
		878	ccreply = &scene->gui.entered_ccreply;
		879	if (!scene->gui.is_entering_text)
		880	ccreply->color = RGBACOLOR_SETALPHA (ccreply->color, RGBACOLOR_ALPHA (ccreply->color) / 6); // if there's no text being entered, fade CC reply a lot
		881
		882	rect.right = 10;
		883	PRINT_CCREPLY (ccreply); // print CC reply on screen
		884	}
		885
		886	// print GUI texts
		887	DRAW_TEXT_IF_NEEDED (scene->gui.turn_text); // player turn's text
		888	DRAW_TEXT_IF_NEEDED (scene->gui.central_text); // central notification zone text
		889
		890	// if needed, print the spinning wheel
		891	if (scene->gui.want_spinwheel)
		892	Render_DrawSprite (&sprites[spinner_spriteindex[(int) (10.0f * current_time) % 12]], 47.0f, 46.0f, 6.0f, 8.0f, 255);
		893
		894	// are we in demo mode ? if so, display the program name as a watermark
14	pmbaty	895	if (!is_registered)
18	pmbaty	896	Render_wprintf (initial_width / 2, initial_height * 3 / 5, -1, ALIGN_CENTER, ALIGN_CENTER, ALIGN_CENTER, chat_fontindex,
		897	D3DCOLOR_RGBA (255, 255, 255, 255),
14	pmbaty	898	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	899
		900	// end 3D rendering on the back buffer
		901	//////////////////////////////////////
		902
		903	d3ddev->EndScene (); // ends the 3D scene
		904	d3ddev->Present (NULL, NULL, NULL, NULL); // displays the created frame on the screen
		905
		906	// update the frame rate
		907	if (framerate_time < current_time)
		908	{
		909	framerate_value = framerate_count;
		910	framerate_count = 0;
		911	framerate_time = current_time + 1.0f;
		912	}
		913	framerate_count++; // one frame more elapsed
		914
		915	return; // finished
		916	}
		917
		918
		919	int Render_LoadMesh (const wchar_t *fmt, ...)
		920	{
		921	// this function appends a new mesh in the global meshes buffer and returns its index
		922
		923	static wchar_t meshfile_pathname[MAX_PATH];
		924	unsigned long hash;
		925	mesh_t *mesh;
		926	int mesh_index;
		927	va_list argptr;
		928
		929	// concatenate all the arguments in one string
		930	va_start (argptr, fmt);
		931	wvsprintf (meshfile_pathname, fmt, argptr);
		932	va_end (argptr);
		933
		934	// resolve wildcards and get content hash
		935	ResolveWildcard (meshfile_pathname, L".obj");
		936	hash = HashFile (meshfile_pathname);
		937
		938	// now cycle through all our loaded meshes and see if it's already loaded
		939	for (mesh_index = 0; mesh_index < mesh_count; mesh_index++)
		940	if (meshes[mesh_index].hash == hash)
		941	return (mesh_index); // if we can find it, return its index so as not to load it twice
		942
		943	// reallocate space to hold one mesh more
		944	meshes = (mesh_t *) SAFE_realloc (meshes, mesh_count, mesh_count + 1, sizeof (mesh_t), false);
		945	mesh = &meshes[mesh_count]; // quick access to the mesh we'll be working on
		946
		947	// load the mesh
		948	if (!Render_LoadMesh_Obj (mesh, meshfile_pathname))
		949	return (-1); // bomb out on error
		950
		951	mesh->hash = hash; // save the hash
		952	mesh_count++; // we know now one mesh more
		953	return (mesh_count - 1); // return its index
		954	}
		955
		956
		957	int Render_LoadTexture (const wchar_t *fmt, ...)
		958	{
		959	// this function appends a new texture in the global textures buffer and returns its index
		960
		961	D3DSURFACE_DESC texture_description;
		962	wchar_t texturefile_pathname[MAX_PATH];
		963	static wchar_t *filename;
		964	unsigned long hash;
		965	int texture_index;
		966	va_list argptr;
		967
		968	// concatenate all the arguments in one string
		969	va_start (argptr, fmt);
		970	wvsprintf (texturefile_pathname, fmt, argptr);
		971	va_end (argptr);
		972
		973	// resolve wildcards and get content hash
		974	ResolveWildcard (texturefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		975	hash = HashFile (texturefile_pathname);
		976
		977	// now cycle through all our loaded textures and see if it's already loaded
		978	for (texture_index = 0; texture_index < texture_count; texture_index++)
		979	if (textures[texture_index].hash == hash)
		980	return (texture_index); // if we can find it, return its index so as not to load it twice
		981
		982	// reallocate space to hold one texture more
		983	textures = (texture_t *) SAFE_realloc (textures, texture_count, texture_count + 1, sizeof (texture_t), false);
		984
		985	// ask Direct3D to prepare texture data
		986	if (FAILED (D3DXCreateTextureFromFile (d3ddev, texturefile_pathname, &textures[texture_count].texture)))
		987	{
		988	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddTextureD3DXCreateTextureFromFileFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
11	pmbaty	989	terminate_everything = true; // this is a fatal error
1	pmbaty	990	return (-1); // bomb out on error
		991	}
		992
		993	// get info on the newly loaded texture such as size etc.
		994	textures[texture_count].texture->GetLevelDesc (0, &texture_description);
		995	textures[texture_count].width = texture_description.Width; // save texture width (as loaded)
		996	textures[texture_count].height = texture_description.Height; // save texture height (as loaded)
		997	textures[texture_count].hash = hash; // save its hash
		998	texture_count++; // we know now one texture more
		999	return (texture_count - 1); // return its index
		1000	}
		1001
		1002
		1003	int Render_LoadFont (const wchar_t *font_name, int font_size, bool is_bold, bool is_italic)
		1004	{
		1005	// this function appends a new font in the global fonts buffer and returns its index
		1006
		1007	unsigned long pathname_hash;
		1008	int font_index;
		1009
		1010	// first, get the hash of the requested pathname (include font size and weight parameters)
		1011	pathname_hash = HashString (font_name);
		1012	pathname_hash += 3 * (unsigned long) font_size + 2 * (unsigned long) is_bold + (unsigned long) is_italic;
		1013
		1014	// now cycle through all our loaded fonts and see if it's already loaded
		1015	for (font_index = 0; font_index < font_count; font_index++)
		1016	if (fonts[font_index].pathname_hash == pathname_hash)
		1017	return (font_index); // if we can find it, return its index so as not to load it twice
		1018
		1019	// reallocate space to hold one font more
		1020	fonts = (font_t *) SAFE_realloc (fonts, font_count, font_count + 1, sizeof (font_t), false);
		1021
		1022	// create a Direct3D font object and record font data
		1023	if (FAILED (D3DXCreateFont (d3ddev, font_size, // font height
12	pmbaty	1024	2 * font_size / 5, // font width
1	pmbaty	1025	(is_bold ? FW_BOLD : FW_NORMAL), // font weight (bold, etc)
		1026	0, // miplevels
		1027	is_italic, // is italic
		1028	DEFAULT_CHARSET, // charset
		1029	OUT_DEFAULT_PRECIS, // precision
		1030	CLEARTYPE_QUALITY, // font quality (antialiased or not)
		1031	DEFAULT_PITCH \| FF_DONTCARE, // font family
		1032	font_name, // font name
		1033	&fonts[font_count].font))) // and a pointer that will receive the font
		1034	{
		1035	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddFontD3DXCreateFontFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
11	pmbaty	1036	terminate_everything = true; // this is a fatal error
1	pmbaty	1037	return (-1); // bomb out on error
		1038	}
		1039
		1040	fonts[font_count].pathname_hash = pathname_hash; // save its hash
		1041	font_count++; // we know now one font more
		1042	return (font_count - 1); // return its index
		1043	}
		1044
		1045
		1046	int Render_LoadSprite (const wchar_t *fmt, ...)
		1047	{
		1048	// this function appends a new sprite in the global sprites buffer and returns its index
		1049
		1050	wchar_t spritefile_pathname[MAX_PATH];
		1051	unsigned long hash;
		1052	int sprite_index;
		1053	va_list argptr;
		1054
		1055	// concatenate all the arguments in one string
		1056	va_start (argptr, fmt);
		1057	wvsprintf (spritefile_pathname, fmt, argptr);
		1058	va_end (argptr);
		1059
		1060	// resolve wildcards and get content hash
		1061	ResolveWildcard (spritefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		1062	hash = HashFile (spritefile_pathname);
		1063
		1064	// now cycle through all our loaded sprites and see if it's already loaded
		1065	for (sprite_index = 0; sprite_index < sprite_count; sprite_index++)
		1066	if (sprites[sprite_index].hash == hash)
		1067	return (sprite_index); // if we can find it, return its index so as not to load it twice
		1068
		1069	// reallocate space to hold one sprite more
		1070	sprites = (sprite_t *) SAFE_realloc (sprites, sprite_count, sprite_count + 1, sizeof (sprite_t), false);
		1071
		1072	// ask Direct3D to prepare texture data
		1073	if (FAILED (D3DXCreateSprite (d3ddev, &sprites[sprite_count].sprite)))
		1074	{
		1075	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddSpriteD3DXCreateSpriteFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
11	pmbaty	1076	terminate_everything = true; // this is a fatal error
1	pmbaty	1077	return (-1); // bomb out on error
		1078	}
		1079	sprites[sprite_count].texture_index = Render_LoadTexture (spritefile_pathname); // register and save sprite texture
		1080	sprites[sprite_count].hash = hash; // save its hash
		1081
		1082	sprite_count++; // we know now one sprite more
		1083	return (sprite_count - 1); // return its index
		1084	}
		1085
		1086
		1087	int Render_MaterialIndexOf (const wchar_t *material_name)
		1088	{
		1089	// this function returns the index of the material in the global materials array which has the specified name
		1090
		1091	int material_index;
		1092
		1093	// cycle through all materials and look whether one with the specified name exists
		1094	for (material_index = 0; material_index < material_count; material_index++)
		1095	if (_wcsicmp (materials[material_index].name, material_name) == 0)
		1096	return (material_index); // if we find one, return its index
		1097
		1098	return (material_count - 1); // else return the index of the last material in list, which is the default material
		1099	}
		1100
		1101
		1102	void Render_MouseToFloor (short mouse_x, short mouse_y, float floor_x, float floor_y)
		1103	{
		1104	// this function converts a mouse coordinates into floor coordinates by doing vector
		1105	// projection on the floor plane from the eyepoint of the camera
		1106
		1107	static D3DXPLANE floor_plane;
		1108	static bool is_planefound = false;
		1109
		1110	D3DXMATRIX projection_matrix;
		1111	D3DXMATRIX view_matrix;
		1112	D3DXMATRIX invertedview_matrix;
		1113	float mouse_pitch;
		1114	float mouse_yaw;
		1115	vector_t v_lookat;
		1116	vector_t v_intersection;
		1117
		1118	// find the floor plane (only do it once)
		1119	if (!is_planefound)
		1120	{
		1121	D3DXPlaneFromPointNormal (&floor_plane, (D3DXVECTOR3 ) &scene_center, (D3DXVECTOR3 ) &upwards_direction);
		1122	is_planefound = true; // once and for all, as this plane will never change
		1123	}
		1124
		1125	// get the current projection and view matrices, and invert the view matrix
		1126	d3ddev->GetTransform (D3DTS_PROJECTION, &projection_matrix);
		1127	d3ddev->GetTransform (D3DTS_VIEW, &view_matrix);
		1128	D3DXMatrixInverse (&invertedview_matrix, NULL, &view_matrix);
		1129
		1130	// convert the mouse coordinates to relative pitch and yaw
		1131	mouse_pitch = (((mouse_x * 2.0f) / current_width) - 1) / projection_matrix._11;
		1132	mouse_yaw = -(((mouse_y * 2.0f) / current_height) - 1) / projection_matrix._22;
		1133
		1134	// now build a matrix that will describe the mouse direction vector, add it to the camera position, and make it 200 times longer
		1135	v_lookat.x = camera_position.x + (mouse_pitch * invertedview_matrix._11 + mouse_yaw * invertedview_matrix._21 + invertedview_matrix._31) * 200.0f;
		1136	v_lookat.y = camera_position.y + (mouse_pitch * invertedview_matrix._12 + mouse_yaw * invertedview_matrix._22 + invertedview_matrix._32) * 200.0f;
		1137	v_lookat.z = camera_position.z + (mouse_pitch * invertedview_matrix._13 + mouse_yaw * invertedview_matrix._23 + invertedview_matrix._33) * 200.0f;
		1138
		1139	// and the intersection point with our ray
		1140	D3DXPlaneIntersectLine ((D3DXVECTOR3 ) &v_intersection, &floor_plane, (D3DXVECTOR3 ) &camera_position, (D3DXVECTOR3 *) &v_lookat);
		1141
		1142	// now fill the return values
		1143	*floor_x = v_intersection.x;
		1144	*floor_y = v_intersection.y;
		1145
		1146	return; // finished
		1147	}
		1148
		1149
		1150	bool Render_IsMouseInBox (short mouse_x, short mouse_y, float x_percent, float y_percent, float width_percent, float height_percent)
		1151	{
		1152	// helper function that returns whether the mouse coordinates are inside a given square
		1153
		1154	float mousex_percent;
		1155	float mousey_percent;
		1156
		1157	// compute mouse coordinates in percents
		1158	mousex_percent = (float) (mouse_x * 100) / current_width;
		1159	mousey_percent = (float) (mouse_y * 100) / current_height;
		1160
		1161	return ((mousex_percent >= x_percent) && (mousex_percent <= x_percent + width_percent)
		1162	&& (mousey_percent >= y_percent) && (mousey_percent <= y_percent + height_percent));
		1163	}
		1164
		1165
		1166	static bool Render_LoadMesh_Obj (mesh_t mesh, const wchar_t objfile_pathname)
		1167	{
		1168	// this function loads a mesh from a Wavefront Object file (.obj)
		1169
		1170	#define OBJ_INCREASE_OR_RESIZE(count,maxcount,increment,arrayptr,type,erase) { \
		1171	(count)++; \
		1172	if ((count) == (maxcount)) \
		1173	{ \
		1174	(arrayptr) = (type *) SAFE_realloc ((arrayptr), (maxcount), (maxcount) + (increment), sizeof (type), erase); \
		1175	(maxcount) += (increment); \
		1176	} \
		1177	}
		1178	#define OBJ_CONVERT_INDEX(element,current_element_count) if ((element) < 0) (element) = (current_element_count) + (element); else (element)--;
		1179	#define OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX(uniquevertex) \
		1180	{ \
		1181	hash = &hashtable[((unsigned long ) &obj.vs[(uniquevertex).iv].x) & 0xFF]; \
		1182	for (vertex_index = 0; vertex_index < hash->count; vertex_index++) \
		1183	if ((memcmp (&vertices[hash->indices[vertex_index]].position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)) == 0) \
		1184	&& (memcmp (&vertices[hash->indices[vertex_index]].normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)) == 0) \
		1185	&& (memcmp (&vertices[hash->indices[vertex_index]].texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)) == 0)) \
		1186	break; \
		1187	if (vertex_index == hash->count) \
		1188	{ \
		1189	vertex_index = mesh->vertice_count; \
		1190	current_vertex = &vertices[vertex_index]; \
		1191	memset (current_vertex, 0, sizeof (vertex_t)); \
		1192	memcpy (&current_vertex->position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)); \
		1193	if ((uniquevertex).in > -1) \
		1194	memcpy (&current_vertex->normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)); \
		1195	if ((uniquevertex).itc > -1) \
		1196	memcpy (&current_vertex->texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)); \
		1197	hash = &hashtable[((unsigned long ) &current_vertex->normal.x) & 0xFF]; \
		1198	hash->indices = (long *) SAFE_realloc (hash->indices, hash->count, hash->count + 1, sizeof (long), false); \
		1199	hash->indices[hash->count] = vertex_index; \
		1200	hash->count++; \
		1201	mesh->vertice_count++; \
		1202	} \
		1203	else \
		1204	vertex_index = hash->indices[vertex_index]; \
		1205	}
		1206
		1207	typedef struct obj_uniquevertex_s { long iv, in, itc; } obj_uniquevertex_t;
		1208	typedef struct obj_face_s { obj_uniquevertex_t v1, v2, v3; } obj_face_t;
		1209	typedef struct obj_hashbucket_s { int count; long indices; / mallocated */ } obj_hashbucket_t;
		1210	typedef struct objfile_s
		1211	{
		1212	vector_t *vs; long v_count; long v_maxcount; // array mallocated to v_maxcount
		1213	vector_t *ns; long n_count; long n_maxcount; // array mallocated to n_maxcount
		1214	texcoord_t *tcs; long tc_count; long tc_maxcount; // array mallocated to tc_maxcount
		1215	obj_face_t *fs; long f_count; long f_maxcount; // array mallocated to f_maxcount
		1216	} objfile_t;
		1217
		1218	static obj_hashbucket_t hashtable[256];
		1219	objfile_t obj;
		1220	obj_hashbucket_t *hash;
		1221	obj_face_t *f;
		1222	vertex_t *vertices; // mallocated
		1223	unsigned long *indices; // mallocated
		1224	vertex_t *current_vertex;
81	pmbaty	1225	unsigned long file_size;
1	pmbaty	1226	char *filedata; // mallocated
		1227	char *fileptr;
		1228	int vertex_index;
		1229	int array_index;
		1230	void *ptr_to;
		1231	FILE *fp;
		1232
		1233	// open the mesh file and read it as a whole
		1234	_wfopen_s (&fp, objfile_pathname, L"rb");
		1235	if (fp == NULL)
		1236	return (false); // bomb out on error
81	pmbaty	1237	fseek (fp, 0, SEEK_END); // seek at end of file...
		1238	file_size = ftell (fp); // ...read file length...
		1239	fseek (fp, 0, SEEK_SET); // and rewind
		1240	filedata = (char *) SAFE_malloc (file_size, sizeof (char), false); // mallocate space for data
		1241	fread (filedata, file_size, 1, fp); // read file as a whole
1	pmbaty	1242	fclose (fp); // file is read, close it
		1243
		1244	// allocate space for an arbitrary amount of vertices, texture coordinates, normals and faces
		1245	memset (&obj, 0, sizeof (obj));
		1246	obj.v_maxcount = 10000; obj.vs = (vector_t *) SAFE_malloc (obj.v_maxcount, sizeof (vector_t), false);
		1247	obj.n_maxcount = 10000; obj.ns = (vector_t *) SAFE_malloc (obj.n_maxcount, sizeof (vector_t), false);
		1248	obj.tc_maxcount = 10000; obj.tcs = (texcoord_t *) SAFE_malloc (obj.tc_maxcount, sizeof (texcoord_t), false);
		1249	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 !)
		1250
		1251	// read file line per line...
		1252	fileptr = filedata - 1; // start parsing line after line
		1253	while (fileptr != NULL)
		1254	{
		1255	fileptr++; // skip the line feed (or reach the first character, if it's the first pass)
		1256
		1257	// is it a vertex-related line ?
		1258	if (fileptr[0] == L'v')
		1259	{
		1260	// is it a vertex, a normal or a texture coordinate ?
		1261	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))
		1262	OBJ_INCREASE_OR_RESIZE (obj.v_count, obj.v_maxcount, 10000, obj.vs, vector_t, false) // one vertex more has been read
		1263	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))
		1264	OBJ_INCREASE_OR_RESIZE (obj.n_count, obj.n_maxcount, 10000, obj.ns, vector_t, false) // one normal more has been read
		1265	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))
		1266	OBJ_INCREASE_OR_RESIZE (obj.tc_count, obj.tc_maxcount, 10000, obj.tcs, texcoord_t, false) // one texture coordinate more has been read
		1267	}
		1268
		1269	// else is it a face-related line ?
		1270	else if (fileptr[0] == L'f')
		1271	{
		1272	// get a quick pointer to current face (note: it's been already blanked out by malloc())
		1273	f = &obj.fs[obj.f_count];
		1274
		1275	// is it a face with normals, a face without normals or a face without normals and texture coordinates ?
		1276	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)
		1277	\|\| (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)
		1278	\|\| (sscanf_s (&fileptr[2], "%d %d %d", &f->v3.iv, &f->v2.iv, &f->v3.iv) == 6))
		1279	{
		1280	OBJ_CONVERT_INDEX (f->v1.iv, obj.v_count);
		1281	OBJ_CONVERT_INDEX (f->v1.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1282	OBJ_CONVERT_INDEX (f->v1.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1283	OBJ_CONVERT_INDEX (f->v2.iv, obj.v_count);
		1284	OBJ_CONVERT_INDEX (f->v2.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1285	OBJ_CONVERT_INDEX (f->v2.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1286	OBJ_CONVERT_INDEX (f->v3.iv, obj.v_count);
		1287	OBJ_CONVERT_INDEX (f->v3.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1288	OBJ_CONVERT_INDEX (f->v3.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1289	OBJ_INCREASE_OR_RESIZE (obj.f_count, obj.f_maxcount, 5000, obj.fs, obj_face_t, true) // one face more has been read
		1290	}
		1291	}
		1292
		1293	fileptr = strchr (fileptr, '\n'); // proceed to next line
		1294	}
		1295
		1296	// now build our final vertex and index list
		1297	vertices = (vertex_t ) SAFE_malloc (3 obj.f_count, sizeof (vertex_t), false); // mallocate for the max number of vertices we can have
		1298	indices = (unsigned long ) SAFE_malloc (3 obj.f_count, sizeof (unsigned long), false); // mallocate for the right amount of indices
		1299
		1300	// t3h mighty l00p ^^ (builds vertex and index buffers)
		1301	memset (hashtable, 0, sizeof (hashtable)); // wipe out the hashtable
		1302	mesh->vertice_count = 0; // start with an unoptimized list
		1303	for (array_index = 0; array_index < obj.f_count; array_index++)
		1304	{
		1305	f = &obj.fs[array_index]; // quick access to current face
		1306	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v1);
		1307	indices[3 * array_index + 0] = vertex_index;
		1308	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v2);
		1309	indices[3 * array_index + 1] = vertex_index;
		1310	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v3);
		1311	indices[3 * array_index + 2] = vertex_index;
		1312	}
		1313
		1314	// now create a correctly-sized DirectX vertex buffer and populate it
		1315	mesh->vertex_format = D3DFVF_XYZ \| D3DFVF_NORMAL \| D3DFVF_TEX1;
		1316	mesh->vertice_size = sizeof (vertex_t);
		1317	d3ddev->CreateVertexBuffer (mesh->vertice_count * mesh->vertice_size, // length
		1318	D3DUSAGE_DYNAMIC, // usage
		1319	mesh->vertex_format, // vertex format
		1320	D3DPOOL_DEFAULT, // pool type
		1321	&mesh->d3dvertices, // pointer to the vertex buffer pointer
		1322	NULL); // shared handle
		1323	mesh->d3dvertices->Lock (0, mesh->vertice_count * mesh->vertice_size, &ptr_to, D3DLOCK_DISCARD);
		1324	memcpy (ptr_to, vertices, mesh->vertice_count * mesh->vertice_size);
		1325	mesh->d3dvertices->Unlock ();
		1326
		1327	// create a correctly-sized DirectX index buffer and populate it
		1328	mesh->is_indexed = true; // remember that we're building an index buffer
		1329	mesh->indice_count = obj.f_count * 3;
		1330	mesh->indice_size = (mesh->indice_count <= (int) USHRT_MAX ? 2 : 4);
		1331	d3ddev->CreateIndexBuffer (mesh->indice_count * mesh->indice_size, // length
		1332	D3DUSAGE_DYNAMIC, // usage
		1333	(mesh->indice_size == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32), // format (here, 16 or 32-bit)
		1334	D3DPOOL_DEFAULT, // pool type
		1335	&mesh->d3dindices, // pointer to the index buffer pointer
		1336	NULL); // shared handle
		1337	mesh->d3dindices->Lock (0, mesh->indice_count * mesh->indice_size, &ptr_to, D3DLOCK_DISCARD);
		1338	if (mesh->indice_size == 2)
		1339	for (array_index = 0; array_index < mesh->indice_count; array_index++)
		1340	((unsigned short *) ptr_to)[array_index] = (unsigned short) indices[array_index];
		1341	else
		1342	memcpy (ptr_to, indices, mesh->indice_count * mesh->indice_size);
		1343	mesh->d3dindices->Unlock ();
		1344
		1345	// finished, free the temporary objects
		1346	for (array_index = 0; array_index < sizeof (hashtable) / sizeof (obj_hashbucket_t); array_index++)
		1347	SAFE_free ((void **) &hashtable[array_index].indices);
		1348	SAFE_free ((void **) &indices);
		1349	SAFE_free ((void **) &vertices);
		1350	SAFE_free ((void **) &obj.vs);
		1351	SAFE_free ((void **) &obj.ns);
		1352	SAFE_free ((void **) &obj.tcs);
		1353	SAFE_free ((void **) &obj.fs);
		1354	SAFE_free ((void **) &filedata);
		1355
		1356	return (true); // Wavefront Object successfully loaded, return TRUE
		1357
		1358	#undef OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX
		1359	#undef OBJ_CONVERT_INDEX
		1360	#undef OBJ_INCREASE_OR_RESIZE
		1361	}
		1362
		1363
		1364	static void Render_DrawSceneObjectReflection (sceneobject_t *sceneobject)
		1365	{
		1366	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1367
		1368	D3DXMATRIX rotation_matrix;
		1369	D3DXMATRIX translation_matrix;
		1370	D3DXMATRIX reflect_matrix;
		1371	D3DXMATRIX scaling_matrix;
		1372	material_t *material;
		1373	D3DMATERIAL9 d3dmaterial;
		1374	D3DXPLANE plane;
		1375	mesh_t *mesh;
		1376	mesh_t *tile_mesh;
		1377	float alpha;
		1378
		1379	// draw the reflection below this mesh
		1380
		1381	// quick access to meshes
		1382	mesh = &meshes[sceneobject->mesh_index];
		1383	tile_mesh = &meshes[theme->tile_meshindex];
		1384
		1385	// set the world transform at location
		1386	D3DXPlaneFromPointNormal (&plane, (D3DXVECTOR3 ) &scene_center, (D3DXVECTOR3 ) &upwards_direction);
		1387	D3DXMatrixReflect (&reflect_matrix, &plane);
		1388	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, -sceneobject->pitch * TO_RADIANS, 0.0f, -sceneobject->yaw * TO_RADIANS);
		1389	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, -sceneobject->z);
		1390	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1391
		1392	// tell Direct3D about our matrix
		1393	d3ddev->SetTransform (D3DTS_WORLD, &(reflect_matrix * scaling_matrix * rotation_matrix * translation_matrix));
		1394
		1395	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer
		1396	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_LESS); // instruct how to fill the stencil buffer
		1397	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_KEEP); // instruct how to fill the stencil buffer
		1398
		1399	// set the texture for this mesh
		1400	if (sceneobject->texture_index != -1)
		1401	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1402	else
		1403	d3ddev->SetTexture (0, NULL);
		1404
		1405	// adjust the light reflection properties by setting the material
		1406	if (sceneobject->material_index != -1)
		1407	material = &materials[sceneobject->material_index]; // use the specified scene object material
		1408	else
		1409	material = &materials[material_count - 1]; // scene object material unspecified, use default material
		1410	alpha = theme->reflection_alpha / 256.0f;
		1411	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency * alpha); // Alpha value not used according to SDK
		1412	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency * alpha);
		1413	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency * alpha); // Alpha value not used according to SDK
		1414	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency * alpha); // Alpha value not used according to SDK
		1415	d3dmaterial.Power = material->shininess;
		1416	d3ddev->SetMaterial (&d3dmaterial);
		1417
		1418	// draw the mesh subset
		1419	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1420	d3ddev->SetFVF (mesh->vertex_format);
		1421	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1422	if (mesh->is_indexed)
		1423	{
		1424	d3ddev->SetIndices (mesh->d3dindices);
		1425	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1426	}
		1427	else
		1428	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1429
		1430	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // and disable the stencil buffer
		1431
		1432	// now draw the simple shadow below this mesh
		1433
		1434	// grab the tools we need in hand
		1435	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable the Z buffer
		1436	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_XRGB (255, 255, 255)); // raise ambient light
		1437
		1438	// position the simple shadow sprite
		1439	D3DXMatrixScaling (&scaling_matrix, max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), 0.0f);
		1440	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, 0.0f);
		1441	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * translation_matrix));
		1442
		1443	// adjust the light reflection properties by setting the material
		1444	material = &materials[material_count - 1]; // use the default material
		1445	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1446	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1447	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1448	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1449	d3dmaterial.Power = material->shininess;
		1450	d3ddev->SetMaterial (&d3dmaterial);
		1451
		1452	d3ddev->SetTexture (0, textures[theme->shadow_textureindex].texture); // select the texture we want
		1453
		1454	// and then draw it
		1455	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1456	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1457	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1458	if (tile_mesh->is_indexed)
		1459	{
		1460	d3ddev->SetIndices (tile_mesh->d3dindices);
		1461	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1462	}
		1463	else
		1464	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1465
		1466	// finished, reset ambient light to its previous value and enable the Z buffer back
		1467	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1468	d3ddev->SetRenderState (D3DRS_ZENABLE, true);
		1469
		1470	return; // finished
		1471	}
		1472
		1473
		1474	static void Render_DrawSceneObject (sceneobject_t *sceneobject)
		1475	{
		1476	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1477
		1478	D3DXMATRIX rotation_matrix;
		1479	D3DXMATRIX translation_matrix;
		1480	D3DXMATRIX scaling_matrix;
		1481	material_t *material;
		1482	D3DMATERIAL9 d3dmaterial;
		1483	mesh_t *mesh;
		1484
		1485	// is this object a tile (i.e, it has no mesh) ?
		1486	if (sceneobject->mesh_index == -1)
		1487	{
		1488	Render_DrawSceneTile (sceneobject); // then draw it as a tile instead
		1489	return; // and return
		1490	}
		1491
		1492	// quick access to mesh
		1493	mesh = &meshes[sceneobject->mesh_index];
		1494
		1495	// set the world transform at location
		1496	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1497	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1498	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1499
		1500	// tell Direct3D about our matrix
		1501	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1502
		1503	// set the texture for this mesh
		1504	if (sceneobject->texture_index != -1)
		1505	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1506	else
		1507	d3ddev->SetTexture (0, NULL);
		1508
		1509	// adjust the light reflection properties by setting the material
		1510	if (sceneobject->material_index != -1)
		1511	material = &materials[sceneobject->material_index];
		1512	else
		1513	material = &materials[material_count - 1];
		1514	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1515	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1516	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1517	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1518	d3dmaterial.Power = material->shininess;
		1519	d3ddev->SetMaterial (&d3dmaterial);
		1520
		1521	// draw the mesh subset
		1522	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1523	d3ddev->SetFVF (mesh->vertex_format);
		1524
		1525	// is there transparency on this mesh ?
		1526	if (material->transparency < 1)
		1527	{
		1528	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1529	if (mesh->is_indexed)
		1530	{
		1531	d3ddev->SetIndices (mesh->d3dindices);
		1532	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1533	}
		1534	else
		1535	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1536	}
		1537
		1538	// now draw the front faces
		1539	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CCW); // draw the front faces
		1540	if (mesh->is_indexed)
		1541	{
		1542	d3ddev->SetIndices (mesh->d3dindices);
		1543	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1544	}
		1545	else
		1546	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1547
		1548	return; // finished
		1549	}
		1550
		1551
		1552	static void Render_DrawSceneTile (sceneobject_t *sceneobject)
		1553	{
		1554	// fast helper to draw a tile (i.e, an object that doesn't have a mesh) at a specified location
		1555
		1556	D3DXMATRIX rotation_matrix;
		1557	D3DXMATRIX translation_matrix;
		1558	D3DXMATRIX scaling_matrix;
		1559	material_t *material;
		1560	D3DMATERIAL9 d3dmaterial;
		1561	mesh_t *tile_mesh;
		1562
		1563	tile_mesh = &meshes[theme->tile_meshindex]; // quick access to tile mesh
		1564
		1565	// grab the tools we need in hand
		1566	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_RGBA (0xFF, 0xFF, 0xFF, 0xFF)); // raise light
		1567
		1568	// set the world transform at location
		1569	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1570	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1571	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1572
		1573	// tell Direct3D about our matrix
		1574	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1575
		1576	// adjust the light reflection properties by setting the material
		1577	material = &materials[material_count - 1]; // use the default material for tiles
		1578	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->ambient);
		1579	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->diffuse);
		1580	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->emissive);
		1581	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->specular);
		1582	d3dmaterial.Power = material->shininess;
		1583	d3ddev->SetMaterial (&d3dmaterial);
		1584
		1585	// select the texture we want
		1586	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1587
		1588	// and then draw it
		1589	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1590	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1591	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1592	if (tile_mesh->is_indexed)
		1593	{
		1594	d3ddev->SetIndices (tile_mesh->d3dindices);
		1595	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1596	}
		1597	else
		1598	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1599
		1600	// finished, reset ambient light to its previous value
		1601	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1602
		1603	return; // finished
		1604	}
		1605
		1606
		1607	static void Render_DrawSprite (sprite_t *sprite, float x_percent, float y_percent, float width_percent, float height_percent, int alpha)
		1608	{
		1609	// fast helper to draw a sprite at a specified location with certain parameters
		1610
		1611	D3DXMATRIX scaling_matrix;
		1612	texture_t *texture;
		1613	float scale_x;
		1614	float scale_y;
		1615
		1616	texture = &textures[sprite->texture_index]; // quick access to sprite's texture
		1617
		1618	scale_x = (width_percent * (float) initial_width) / (float) (100 * texture->width);
		1619	scale_y = (height_percent * (float) initial_height) / (float) (100 * texture->height);
		1620
		1621	// start rendering the sprite (an optimized version would draw all sprites in a row...)
		1622	sprite->sprite->Begin (D3DXSPRITE_ALPHABLEND);
		1623
		1624	// scale and position the sprite
		1625	D3DXMatrixTransformation2D (&scaling_matrix, // output matrix
		1626	NULL, // scaling center
		1627	0.0f, // scaling rotation
		1628	&D3DXVECTOR2 (scale_x, scale_y), // scaling ratio
		1629	&D3DXVECTOR2 (0, 0), // rotation center
		1630	0.0f, // rotation
		1631	&D3DXVECTOR2 (x_percent * (float) initial_width / 100.0f, y_percent * (float) initial_height / 100.0f)); // translation
		1632	sprite->sprite->SetTransform (&scaling_matrix); // tell the sprite about the scaling and position transform
		1633
		1634	// now draw the sprite with the specified alpha and finish rendering
		1635	sprite->sprite->Draw (texture->texture, NULL, NULL, NULL, D3DCOLOR_ARGB (alpha, 255, 255, 255));
		1636	sprite->sprite->End ();
		1637
		1638	return; // finished
		1639	}
		1640
		1641
		1642	static void Render_GetTextBoundaries (int max_width, int font_id, wchar_t text, RECT rect)
		1643	{
		1644	// this function computes and returns the size of the rectangle the specified text will fit into. Note that text may be modified
		1645	// to insert new lines if it doesn't fit in a single line.
		1646
		1647	int char_index;
		1648	int length;
		1649	int optimal_length;
		1650	bool have_split;
		1651
		1652	// blank out the output rectangle
		1653	memset (rect, 0, sizeof (RECT));
		1654
		1655	// ask direct3D to compute the text size a first time
		1656	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1657
		1658	// if max width is not set, set it to viewport width
		1659	if (max_width < 0)
		1660	max_width = initial_width; // then use it to compute the real max width
		1661
		1662	// do we need more than one line ?
		1663	if (rect->right > max_width)
		1664	{
		1665	// see how many lines we need and compute the optimal length of one line
		1666	length = wcslen (text);
		1667	optimal_length = length / (1 + rect->right / (int) max_width);
		1668	have_split = false;
		1669	for (char_index = optimal_length; char_index < length; char_index++)
		1670	if (iswspace (text[char_index]))
		1671	{
		1672	text[char_index] = L'\n'; // interpolate linefeeds into string
		1673	have_split = true; // remember string has been split
		1674	char_index += optimal_length;
		1675	}
		1676
		1677	// and ask direct3D to compute the text size again
		1678	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1679	}
		1680
		1681	return; // finished
		1682	}
		1683
		1684
		1685	static void Render_wprintf (int x, int y, int max_width, int horiz_align, int vert_align, int text_align, int font_id, unsigned long color_rgba, RECT out_rect, const wchar_t fmt, ...)
		1686	{
		1687	// this function displays text on the Direct3D interface according to the given parameters. X and Y are the base coordinates of
		1688	// the text's bounding rectangle. Max_width is the maximum allowed width of this rectangle before wrapping words on a new line.
		1689	// Horiz_align and vert_align are the alignment parameters of the RECTANGLE relatively to X and Y. Text_align is the alignment of
		1690	// the TEXT inside this rectangle (meaning, you can have right-aligned text in a rectangle that is centered on a point). Font_id
		1691	// 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
		1692	// bounding rectangle, after any word wrapping corrections have been made. Fmt is a format string containing the text itself,
		1693	// printf-style.
		1694
		1695	va_list argptr;
		1696	RECT rect;
		1697	int left;
		1698	int top;
		1699
		1700	// concatenate all the arguments in one string
		1701	va_start (argptr, fmt);
		1702	wvsprintf (printf_buffer, fmt, argptr);
		1703	va_end (argptr);
		1704
		1705	// get the text boundaries
		1706	Render_GetTextBoundaries (max_width, font_id, printf_buffer, &rect);
		1707
		1708	// horizontal alignment
		1709	if (horiz_align == ALIGN_LEFT)
		1710	left = x;
		1711	else if (horiz_align == ALIGN_RIGHT)
		1712	left = x - rect.right;
		1713	else
		1714	left = x - rect.right / 2;
		1715
		1716	// vertical alignment
		1717	if (vert_align == ALIGN_TOP)
		1718	top = y;
		1719	else if (vert_align == ALIGN_BOTTOM)
		1720	top = y - rect.bottom;
		1721	else
		1722	top = y - rect.bottom / 2;
		1723
		1724	// now reposition our rectangle correctly acording to alignment
		1725	OffsetRect (&rect, left, top);
		1726
		1727	// and draw the text
		1728	if (text_align == ALIGN_LEFT)
		1729	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_LEFT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1730	else if (horiz_align == ALIGN_RIGHT)
		1731	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_RIGHT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1732	else
		1733	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_CENTER, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1734
		1735	// do we want the output rectangle ?
		1736	if (out_rect != NULL)
		1737	memcpy (out_rect, &rect, sizeof (rect)); // if so, copy it in the given variable
		1738
		1739	return; // finished
		1740	}
		1741
		1742
		1743	static float DistanceToCamera (float x, float y, float z)
		1744	{
		1745	// this function computes the distance of the point at coordinates x,y,z to the camera
		1746
		1747	vector_t displacement;
		1748
		1749	// compute displacement...
		1750	displacement.x = x - camera_position.x;
		1751	displacement.y = y - camera_position.y;
		1752	displacement.z = z - camera_position.z;
		1753
		1754	// ...and then Pythagores in 3D
		1755	return (sqrtf (displacement.x * displacement.x + displacement.y * displacement.y + displacement.z * displacement.z));
		1756	}
		1757
		1758
		1759	static float FadeFloat (float from, float to, float start_time, float end_time)
		1760	{
		1761	// helper function to return a progressive variation between from and to based on time
		1762
		1763	if (end_time < current_time)
		1764	return (to);
		1765
		1766	// base + (variation) * ( fraction of completion )
		1767	return (from + (to - from) * (current_time - start_time) / (end_time - start_time));
		1768	}
		1769
		1770
		1771	static unsigned long HashString (const wchar_t *string_buffer)
		1772	{
		1773	// super fast string hash function, code courtesy of
		1774	// http://www.azillionmonkeys.com/qed/hash.html
		1775
		1776	unsigned long length;
		1777	unsigned long hash;
		1778	unsigned long tmp;
		1779	int remaining;
		1780
		1781	// first, get the string length and start with this as a hash value
		1782	length = wcslen (string_buffer) * sizeof (wchar_t);
		1783	hash = length;
		1784
		1785	// figure out how many bytes there will remain after 32-bit processing
		1786	remaining = length & 3;
		1787	length >>= 2;
		1788
		1789	// main loop, process 32-bit blocks
		1790	for ( ; length > 0; length--)
		1791	{
		1792	hash += ((const unsigned short ) string_buffer);
		1793	tmp = ((((const unsigned short ) (string_buffer + 2))) << 11) ^ hash;
		1794	hash = (hash << 16) ^ tmp;
		1795	string_buffer += 2 * sizeof (unsigned short);
		1796	hash += hash >> 11;
		1797	}
		1798
		1799	// handle the remaining bytes
		1800	if (remaining == 3)
		1801	{
		1802	hash += ((const unsigned short ) string_buffer);
		1803	hash ^= hash << 16;
		1804	hash ^= string_buffer[sizeof (unsigned short)] << 18;
		1805	hash += hash >> 11;
		1806	}
		1807	else if (remaining == 2)
		1808	{
		1809	hash += ((const unsigned short ) string_buffer);
		1810	hash ^= hash << 11;
		1811	hash += hash >> 17;
		1812	}
		1813	else if (remaining == 1)
		1814	{
		1815	hash += *string_buffer;
		1816	hash ^= hash << 10;
		1817	hash += hash >> 1;
		1818	}
		1819
		1820	// force "avalanching" of final 127 bits
		1821	hash ^= hash << 3;
		1822	hash += hash >> 5;
		1823	hash ^= hash << 4;
		1824	hash += hash >> 17;
		1825	hash ^= hash << 25;
		1826	hash += hash >> 6;
		1827
		1828	return (hash); // finished, return the hash value
		1829	}
		1830
		1831
		1832	static unsigned long HashFile (const wchar_t *file_pathname)
		1833	{
		1834	// super fast file content pseudo-hash function
		1835
		1836	unsigned short value;
81	pmbaty	1837	unsigned long file_size;
1	pmbaty	1838	FILE *fp;
		1839
		1840	// open the file
		1841	_wfopen_s (&fp, file_pathname, L"rb");
		1842	if (fp == NULL)
		1843	return ((unsigned long) time (NULL)); // if file can't be open, return a random number
		1844
81	pmbaty	1845	// seek at end of file, read file size, and rewind
		1846	fseek (fp, 0, SEEK_END);
		1847	file_size = ftell (fp);
		1848	fseek (fp, 0, SEEK_SET);
		1849
1	pmbaty	1850	// seek at 2/3 of file size (if file is small enough, return only its content)
81	pmbaty	1851	if (file_size >= 4)
1	pmbaty	1852	{
81	pmbaty	1853	fseek (fp, file_size * 2 / 3, SEEK_SET); // seek at 2/3 of file
1	pmbaty	1854	fread (&value, 2, 1, fp); // and read a word here
		1855	}
81	pmbaty	1856	else if (file_size >= 2)
1	pmbaty	1857	fread (&value, 2, 1, fp);
81	pmbaty	1858	else if (file_size == 1)
1	pmbaty	1859	value = fgetc (fp);
		1860	else
		1861	value = 0;
		1862
		1863	// finished, close the file
		1864	fclose (fp);
		1865
		1866	// and return a hash composed of the 16 lower bits of the file size and the value we read
81	pmbaty	1867	return ((unsigned long) (file_size << 16) \| (unsigned long) value);
1	pmbaty	1868	}
		1869
		1870
		1871	static void ResolveWildcard (wchar_t file_pathname, wchar_t extensions_separated_by_bars)
		1872	{
		1873	// this function resolves a pathname ending with .* by testing with various possible
		1874	// file extensions until one of the files formed that way is found to exist.
		1875
		1876	static wchar_t extension_list[256]; // needs to be modifiable for strtok()
		1877	wchar_t *current_extension;
		1878	wchar_t *wcstok_context;
		1879	int length;
		1880
		1881	wcscpy_s (extension_list, WCHAR_SIZEOF (extension_list), extensions_separated_by_bars);
		1882	length = wcslen (file_pathname); // get pathname length
		1883
		1884	// does the pathname we want NOT end with a wildcard ?
		1885	if ((length < 2) \|\| (wcscmp (&file_pathname[length - 2], L".*") != 0))
		1886	return; // no need to resolve anything
		1887
		1888	// test each extension and see if a corresponding file exists
		1889	current_extension = wcstok_s (extension_list, L"\|", &wcstok_context);
		1890	while (current_extension != NULL)
		1891	{
		1892	if (*current_extension == L'.')
		1893	current_extension++; // if current extension starts with a dot, skip it
81	pmbaty	1894
1	pmbaty	1895	wcscpy_s (&file_pathname[length - 1], wcslen (current_extension) + 1, current_extension);
81	pmbaty	1896	if (_waccess (file_pathname, 0) == 0)
1	pmbaty	1897	return; // found a file with this extension
		1898	current_extension = wcstok_s (NULL, L"\|", &wcstok_context);
		1899	}
		1900
		1901	wcscpy_s (&file_pathname[length - 1], 2, L"*");
		1902	return; // if none of these extensions match, put the wildcard back and return
		1903	}
		1904
		1905
		1906	static int SortReflectedObjects (const void object1, const void object2)
		1907	{
		1908	// callback function used by qsort() when sorting the reflected objects according to their distance to the viewer
		1909
		1910	return ((int) (1000.0f * (((reflectedobject_t ) object2)->distance - ((reflectedobject_t ) object1)->distance)));
		1911	}

Subversion Repositories Games.Chess Giants

Games.Chess Giants/render.cpp – Rev 116