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
		215	bool Render_Init (void)
		216	{
		217	// this function sets up and initializes Direct3D
		218
		219	static wchar_t *default_materialname = L"default";
		220
		221	D3DCAPS9 device_capabilities;
		222	unsigned long behaviour_flags;
5	pmbaty	223	unsigned long multisample_quality_count;
1	pmbaty	224	D3DPRESENT_PARAMETERS d3dpp;
2	pmbaty	225	wchar_t errorfile_path[MAX_PATH];
1	pmbaty	226	wchar_t line_buffer[256];
		227	material_t material;
2	pmbaty	228	HRESULT ret;
1	pmbaty	229	RECT rect;
6	pmbaty	230	RECT viewport_rect;
1	pmbaty	231	FILE *fp;
		232
		233	// create the Direct3D interface
		234	d3d = Direct3DCreate9 (D3D_SDK_VERSION);
		235
		236	// get hardware capabilities
		237	if (FAILED (d3d->GetDeviceCaps (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &device_capabilities)))
		238	{
		239	MessageBox (NULL, LOCALIZE (L"Error_CouldNotCreateD3DDevGetDeviceCapsFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		240	return (false);
		241	}
		242
		243	// grab info from that and adjust our D3D settings
		244	best_supported_filter = (device_capabilities.RasterCaps & D3DPRASTERCAPS_ANISOTROPY ? D3DTEXF_ANISOTROPIC : D3DTEXF_LINEAR);
		245	behaviour_flags = (device_capabilities.VertexProcessingCaps != 0 ? D3DCREATE_HARDWARE_VERTEXPROCESSING : D3DCREATE_SOFTWARE_VERTEXPROCESSING);
		246
5	pmbaty	247	// see if simple (non-maskable) full-scene antialiasing is supported and in how many quality flavors
		248	if (SUCCEEDED (d3d->CheckDeviceMultiSampleType (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, D3DFMT_X8R8G8B8, false, D3DMULTISAMPLE_NONMASKABLE, &multisample_quality_count)))
		249	is_fsaa_supported = true; // remember FSAA is supported
1	pmbaty	250
		251	memset (&d3dpp, 0, sizeof (d3dpp)); // clear out the struct for use
		252	d3dpp.Windowed = true; // always windowed (because we can't display dialog boxes in fullscreen mode)
		253	d3dpp.BackBufferCount = 1;
		254	d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; // discard old frames
		255	d3dpp.hDeviceWindow = hMainWnd; // set the window to be used by Direct3D
		256	d3dpp.EnableAutoDepthStencil = true; // enable Z-buffer and stencil buffer
		257	d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8; // D3DFMT_D15S1 15 bits should be enough to store each pixel's Z depth
5	pmbaty	258	if (is_fsaa_supported)
		259	{
		260	d3dpp.MultiSampleType = D3DMULTISAMPLE_NONMASKABLE; // use multisampling (full scene antialiasing) if supported
		261	d3dpp.MultiSampleQuality = multisample_quality_count - 1; // use the best available multisample quality
		262	}
		263	else
		264	{
		265	d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE; // do not use multisampling (full scene antialiasing)
		266	d3dpp.MultiSampleQuality = 0;
		267	}
1	pmbaty	268
6	pmbaty	269	// get main window's current rectangle and full screen size
		270	GetWindowRect (hMainWnd, &rect);
		271
		272	// create a device class using this information and the info from the d3dpp stuct. Resize the window to the max displayable
		273	// size before creating the DirectX device, so as to guarantee the viewport will never be upscaled in case of window resize.
		274	MoveWindow (hMainWnd, rect.left, rect.top, GetSystemMetrics (SM_CXSCREEN), GetSystemMetrics (SM_CYSCREEN), false);
2	pmbaty	275	if (FAILED (ret = d3d->CreateDevice (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hMainWnd, behaviour_flags, &d3dpp, &d3ddev)))
1	pmbaty	276	{
		277	MessageBox (NULL, LOCALIZE (L"Error_CouldNotCreateD3DDevCreateDeviceFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
2	pmbaty	278
		279	// on error, write a log file on the user's desktop
		280	errorfile_path[0] = 0;
		281	SHGetSpecialFolderPath (NULL, errorfile_path, CSIDL_DESKTOP, true);
		282	wcscat_s (errorfile_path, WCHAR_SIZEOF (errorfile_path), L"\\Chess Giants error.log");
		283	_wfopen_s (&fp, errorfile_path, L"w, ccs=UNICODE");
		284	if (fp != NULL)
		285	{
		286	fwprintf (fp, L"device_capabilities.DeviceType = %d\n", device_capabilities.DeviceType);
		287	fwprintf (fp, L"device_capabilities.AdapterOrdinal = %ul\n", device_capabilities.AdapterOrdinal);
		288	fwprintf (fp, L"device_capabilities.Caps = %ul\n", device_capabilities.Caps);
		289	fwprintf (fp, L"device_capabilities.Caps2 = %ul\n", device_capabilities.Caps2);
		290	fwprintf (fp, L"device_capabilities.Caps3 = %ul\n", device_capabilities.Caps3);
		291	fwprintf (fp, L"device_capabilities.PresentationIntervals = %ul\n", device_capabilities.PresentationIntervals);
		292	fwprintf (fp, L"device_capabilities.CursorCaps = %ul\n", device_capabilities.CursorCaps);
		293	fwprintf (fp, L"device_capabilities.DevCaps = %ul\n", device_capabilities.DevCaps);
		294	fwprintf (fp, L"device_capabilities.PrimitiveMiscCaps = %ul\n", device_capabilities.PrimitiveMiscCaps);
		295	fwprintf (fp, L"device_capabilities.RasterCaps = %ul\n", device_capabilities.RasterCaps);
		296	fwprintf (fp, L"device_capabilities.ZCmpCaps = %ul\n", device_capabilities.ZCmpCaps);
		297	fwprintf (fp, L"device_capabilities.SrcBlendCaps = %ul\n", device_capabilities.SrcBlendCaps);
		298	fwprintf (fp, L"device_capabilities.DestBlendCaps = %ul\n", device_capabilities.DestBlendCaps);
		299	fwprintf (fp, L"device_capabilities.AlphaCmpCaps = %ul\n", device_capabilities.AlphaCmpCaps);
		300	fwprintf (fp, L"device_capabilities.ShadeCaps = %ul\n", device_capabilities.ShadeCaps);
		301	fwprintf (fp, L"device_capabilities.TextureCaps = %ul\n", device_capabilities.TextureCaps);
		302	fwprintf (fp, L"device_capabilities.TextureFilterCaps = %ul\n", device_capabilities.TextureFilterCaps);
		303	fwprintf (fp, L"device_capabilities.CubeTextureFilterCaps = %ul\n", device_capabilities.CubeTextureFilterCaps);
		304	fwprintf (fp, L"device_capabilities.VolumeTextureFilterCaps = %ul\n", device_capabilities.VolumeTextureFilterCaps);
		305	fwprintf (fp, L"device_capabilities.TextureAddressCaps = %ul\n", device_capabilities.TextureAddressCaps);
		306	fwprintf (fp, L"device_capabilities.VolumeTextureAddressCaps = %ul\n", device_capabilities.VolumeTextureAddressCaps);
		307	fwprintf (fp, L"device_capabilities.LineCaps = %ul\n", device_capabilities.LineCaps);
		308	fwprintf (fp, L"device_capabilities.MaxTextureWidth = %ul\n", device_capabilities.MaxTextureWidth);
		309	fwprintf (fp, L"device_capabilities.MaxTextureHeight = %ul\n", device_capabilities.MaxTextureHeight);
		310	fwprintf (fp, L"device_capabilities.MaxVolumeExtent = %ul\n", device_capabilities.MaxVolumeExtent);
		311	fwprintf (fp, L"device_capabilities.MaxTextureRepeat = %ul\n", device_capabilities.MaxTextureRepeat);
		312	fwprintf (fp, L"device_capabilities.MaxTextureAspectRatio = %ul\n", device_capabilities.MaxTextureAspectRatio);
		313	fwprintf (fp, L"device_capabilities.MaxAnisotropy = %ul\n", device_capabilities.MaxAnisotropy);
		314	fwprintf (fp, L"device_capabilities.MaxVertexW = %f\n", device_capabilities.MaxVertexW);
		315	fwprintf (fp, L"device_capabilities.GuardBandLeft = %f\n", device_capabilities.GuardBandLeft);
		316	fwprintf (fp, L"device_capabilities.GuardBandTop = %f\n", device_capabilities.GuardBandTop);
		317	fwprintf (fp, L"device_capabilities.GuardBandRight = %f\n", device_capabilities.GuardBandRight);
		318	fwprintf (fp, L"device_capabilities.GuardBandBottom = %f\n", device_capabilities.GuardBandBottom);
		319	fwprintf (fp, L"device_capabilities.ExtentsAdjust = %f\n", device_capabilities.ExtentsAdjust);
		320	fwprintf (fp, L"device_capabilities.StencilCaps = %ul\n", device_capabilities.StencilCaps);
		321	fwprintf (fp, L"device_capabilities.FVFCaps = %ul\n", device_capabilities.FVFCaps);
		322	fwprintf (fp, L"device_capabilities.TextureOpCaps = %ul\n", device_capabilities.TextureOpCaps);
		323	fwprintf (fp, L"device_capabilities.MaxTextureBlendStages = %ul\n", device_capabilities.MaxTextureBlendStages);
		324	fwprintf (fp, L"device_capabilities.MaxSimultaneousTextures = %ul\n", device_capabilities.MaxSimultaneousTextures);
		325	fwprintf (fp, L"device_capabilities.VertexProcessingCaps = %ul\n", device_capabilities.VertexProcessingCaps);
		326	fwprintf (fp, L"device_capabilities.MaxActiveLights = %ul\n", device_capabilities.MaxActiveLights);
		327	fwprintf (fp, L"device_capabilities.MaxUserClipPlanes = %ul\n", device_capabilities.MaxUserClipPlanes);
		328	fwprintf (fp, L"device_capabilities.MaxVertexBlendMatrices = %ul\n", device_capabilities.MaxVertexBlendMatrices);
		329	fwprintf (fp, L"device_capabilities.MaxVertexBlendMatrixIndex = %ul\n", device_capabilities.MaxVertexBlendMatrixIndex);
		330	fwprintf (fp, L"device_capabilities.MaxPointSize = %f\n", device_capabilities.MaxPointSize);
		331	fwprintf (fp, L"device_capabilities.MaxPrimitiveCount = %ul\n", device_capabilities.MaxPrimitiveCount);
		332	fwprintf (fp, L"device_capabilities.MaxVertexIndex = %ul\n", device_capabilities.MaxVertexIndex);
		333	fwprintf (fp, L"device_capabilities.MaxStreams = %ul\n", device_capabilities.MaxStreams);
		334	fwprintf (fp, L"device_capabilities.MaxStreamStride = %ul\n", device_capabilities.MaxStreamStride);
		335	fwprintf (fp, L"device_capabilities.VertexShaderVersion = %ul\n", device_capabilities.VertexShaderVersion);
		336	fwprintf (fp, L"device_capabilities.MaxVertexShaderConst = %ul\n", device_capabilities.MaxVertexShaderConst);
		337	fwprintf (fp, L"device_capabilities.PixelShaderVersion = %ul\n", device_capabilities.PixelShaderVersion);
		338	fwprintf (fp, L"device_capabilities.PixelShader1xMaxValue = %f\n", device_capabilities.PixelShader1xMaxValue);
		339	fwprintf (fp, L"device_capabilities.DevCaps2 = %ul\n", device_capabilities.DevCaps2);
		340	fwprintf (fp, L"device_capabilities.MaxNpatchTessellationLevel = %f\n", device_capabilities.MaxNpatchTessellationLevel);
		341	fwprintf (fp, L"device_capabilities.Reserved5 = %ul\n", device_capabilities.Reserved5);
		342	fwprintf (fp, L"device_capabilities.MasterAdapterOrdinal = %ul\n", device_capabilities.MasterAdapterOrdinal);
		343	fwprintf (fp, L"device_capabilities.AdapterOrdinalInGroup = %ul\n", device_capabilities.AdapterOrdinalInGroup);
		344	fwprintf (fp, L"device_capabilities.NumberOfAdaptersInGroup = %ul\n", device_capabilities.NumberOfAdaptersInGroup);
		345	fwprintf (fp, L"device_capabilities.DeclTypes = %ul\n", device_capabilities.DeclTypes);
		346	fwprintf (fp, L"device_capabilities.NumSimultaneousRTs = %ul\n", device_capabilities.NumSimultaneousRTs);
		347	fwprintf (fp, L"device_capabilities.StretchRectFilterCaps = %ul\n", device_capabilities.StretchRectFilterCaps);
		348	fwprintf (fp, L"device_capabilities.VS20Caps.Caps = %ul\n", device_capabilities.VS20Caps.Caps);
		349	fwprintf (fp, L"device_capabilities.VS20Caps.DynamicFlowControlDepth = %d\n", device_capabilities.VS20Caps.DynamicFlowControlDepth);
		350	fwprintf (fp, L"device_capabilities.VS20Caps.NumTemps = %d\n", device_capabilities.VS20Caps.NumTemps);
		351	fwprintf (fp, L"device_capabilities.VS20Caps.StaticFlowControlDepth = %d\n", device_capabilities.VS20Caps.StaticFlowControlDepth);
		352	fwprintf (fp, L"device_capabilities.PS20Caps.Caps = %ul\n", device_capabilities.PS20Caps.Caps);
		353	fwprintf (fp, L"device_capabilities.PS20Caps.DynamicFlowControlDepth = %d\n", device_capabilities.PS20Caps.DynamicFlowControlDepth);
		354	fwprintf (fp, L"device_capabilities.PS20Caps.NumTemps = %d\n", device_capabilities.PS20Caps.NumTemps);
		355	fwprintf (fp, L"device_capabilities.PS20Caps.StaticFlowControlDepth = %d\n", device_capabilities.PS20Caps.StaticFlowControlDepth);
		356	fwprintf (fp, L"device_capabilities.PS20Caps.NumInstructionSlots = %d\n", device_capabilities.PS20Caps.NumInstructionSlots);
		357	fwprintf (fp, L"device_capabilities.VertexTextureFilterCaps = %ul\n", device_capabilities.VertexTextureFilterCaps);
		358	fwprintf (fp, L"device_capabilities.MaxVShaderInstructionsExecuted = %ul\n", device_capabilities.MaxVShaderInstructionsExecuted);
		359	fwprintf (fp, L"device_capabilities.MaxPShaderInstructionsExecuted = %ul\n", device_capabilities.MaxPShaderInstructionsExecuted);
		360	fwprintf (fp, L"device_capabilities.MaxVertexShader30InstructionSlots = %ul\n", device_capabilities.MaxVertexShader30InstructionSlots);
		361	fwprintf (fp, L"device_capabilities.MaxPixelShader30InstructionSlots = %ul\n", device_capabilities.MaxPixelShader30InstructionSlots);
		362	fwprintf (fp, L"========\n");
		363	fwprintf (fp, L"(guessed) behaviour_flags = %ul\n", behaviour_flags);
		364	fwprintf (fp, L"========\n");
5	pmbaty	365	fwprintf (fp, L"d3dpp.MultiSampleType = %d\n", d3dpp.MultiSampleType);
		366	fwprintf (fp, L"d3dpp.MultiSampleQuality = %d\n", d3dpp.MultiSampleQuality);
		367	fwprintf (fp, L"========\n");
2	pmbaty	368	fwprintf (fp, L"d3d->CreateDevice() returned %d\n", (int) ret);
		369	fclose (fp);
		370
		371	MessageBox (NULL, LOCALIZE (L"Error_GameCouldNotStartPleaseSendLogToAuthor"), LOCALIZE (L"Information"), MB_ICONINFORMATION \| MB_OK);
		372	}
		373	else
		374	MessageBox (NULL, LOCALIZE (L"Error_CouldNotWriteToLogFile"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		375
1	pmbaty	376	return (false);
		377	}
		378
6	pmbaty	379	// save the viewport's width and height
		380	GetClientRect (hMainWnd, &viewport_rect);
		381	initial_width = viewport_rect.right;
		382	initial_height = viewport_rect.bottom;
1	pmbaty	383
6	pmbaty	384	// now resize the window to its original size
		385	MoveWindow (hMainWnd, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, false);
		386
1	pmbaty	387	// set the texture parameters
		388	d3ddev->SetSamplerState (0, D3DSAMP_ADDRESSU, D3DTADDRESS_WRAP); // wrap textures around their edges
		389	d3ddev->SetSamplerState (0, D3DSAMP_ADDRESSV, D3DTADDRESS_WRAP);
		390	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE); // and modulate their alpha with the material's alpha
		391	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
		392	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
		393
		394	// enable the Z buffer
		395	d3ddev->SetRenderState (D3DRS_ZENABLE, true);
		396
		397	// disable the stencil buffer
		398	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false);
		399
		400	// normalize the face normals (if we don't, scaling will cause problems with lighting computations)
		401	d3ddev->SetRenderState (D3DRS_NORMALIZENORMALS, true);
		402
		403	// turn on alpha blending
		404	d3ddev->SetRenderState (D3DRS_ALPHABLENDENABLE, true);
		405	d3ddev->SetRenderState (D3DRS_BLENDOP, D3DBLENDOP_ADD);
		406	d3ddev->SetRenderState (D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
		407	d3ddev->SetRenderState (D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
		408
		409	// use all of the materials' light reflection properties
		410	d3ddev->SetRenderState (D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_MATERIAL);
		411	d3ddev->SetRenderState (D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_MATERIAL);
		412	d3ddev->SetRenderState (D3DRS_SPECULARMATERIALSOURCE, D3DMCS_MATERIAL);
		413	d3ddev->SetRenderState (D3DRS_EMISSIVEMATERIALSOURCE, D3DMCS_MATERIAL);
		414	d3ddev->SetRenderState (D3DRS_COLORVERTEX, false);
		415
		416	// enable 3D lighting
		417	d3ddev->SetRenderState (D3DRS_LIGHTING, true);
		418
		419	// open and parse the materials file and build the materials list
		420	materials = NULL;
		421	material_count = 0;
		422	_wfopen_s (&fp, L"materials.cfg", L"r, ccs=UNICODE");
		423	if (fp != NULL)
		424	{
		425	// read line per line...
		426	while (fgetws (line_buffer, WCHAR_SIZEOF (line_buffer), fp) != NULL)
		427	{
		428	// can we read a complete material line ?
		429	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)
		430	{
		431	materials = (material_t *) SAFE_realloc (materials, material_count, material_count + 1, sizeof (material_t), false);
		432	memcpy (&materials[material_count], &material, sizeof (material_t));
		433	material_count++; // if so, append this new material to the materials array
		434	}
		435	}
		436	fclose (fp); // finished, close the file
		437	}
		438	materials = (material_t *) SAFE_realloc (materials, material_count, material_count + 1, sizeof (material_t), false);
		439	wcscpy_s (materials[material_count].name, WCHAR_SIZEOF (materials[material_count].name), default_materialname);
		440	materials[material_count].ambient = 1.0f;
		441	materials[material_count].diffuse = 1.0f;
		442	materials[material_count].emissive = 0.0f;
		443	materials[material_count].specular = 0.0f;
		444	materials[material_count].shininess = 0.0f;
		445	materials[material_count].transparency = 1.0f;
		446	material_count++; // append a default material at the end of the array and we're all set
		447
		448	return (true); // finished
		449	}
		450
		451
		452	void Render_Shutdown (void)
		453	{
		454	// this function shuts down the Direct3D interfaces and releases the Direct3D COM objects
		455
		456	int array_index;
		457
		458	// close and release font data
		459	SAFE_free ((void **) &fonts);
		460	font_count = 0;
		461
		462	// close and release sprite data
		463	SAFE_free ((void **) &sprites);
		464	sprite_count = 0;
		465
		466	// close and release meshes data
		467	if (meshes != NULL)
		468	{
		469	for (array_index = 0; array_index < mesh_count; array_index++)
		470	{
		471	if (meshes[array_index].d3dindices != NULL)
		472	meshes[array_index].d3dindices->Release ();
		473	meshes[array_index].d3dindices = NULL;
		474
		475	if (meshes[array_index].d3dvertices != NULL)
		476	meshes[array_index].d3dvertices->Release ();
		477	meshes[array_index].d3dvertices = NULL;
		478	}
		479	}
		480	meshes = NULL;
		481	mesh_count = 0;
		482
		483	// close and release texture data
		484	if (textures != NULL)
		485	{
		486	for (array_index = 0; array_index < texture_count; array_index++)
		487	if (textures[array_index].texture != NULL)
		488	textures[array_index].texture->Release ();
		489	SAFE_free ((void **) &textures);
		490	}
		491	texture_count = 0;
		492
		493	// close and release materials data
		494	SAFE_free ((void **) &materials);
		495	material_count = 0;
		496
		497	// close and release the 3D device
		498	if (d3ddev != NULL)
		499	d3ddev->Release ();
		500	d3ddev = NULL;
		501
		502	// close and release Direct3D
		503	if (d3d != NULL)
		504	d3d->Release ();
		505	d3d = NULL;
		506
		507	return; // finished
		508	}
		509
		510
		511	void Render_RenderFrame (scene_t *scene)
		512	{
		513	// this is the function used to render a single frame
		514
		515	static int framerate_value = 0;
		516	static int framerate_count = 0;
		517	static float framerate_time = 0;
		518
		519	D3DXMATRIX scaling_matrix;
		520	D3DXMATRIX translation_matrix;
		521	D3DXMATRIX view_matrix; // the view transform matrix
		522	D3DXMATRIX projection_matrix; // the projection transform matrix
		523	D3DLIGHT9 dxlight;
		524	RECT rect;
		525	float angle;
		526	float sin_pitch;
		527	float sin_yaw;
		528	float cos_pitch;
		529	float cos_yaw;
		530	int light_index;
		531	int object_index;
		532	int cchistory_index;
		533	int cchistory_index2;
		534	int combined_width;
		535	int combined_height;
		536	light_t *light;
		537	ccreply_t *ccreply;
		538	sceneobject_t *sceneobject;
		539	reflectedobject_t *reflectedobjects; // mallocated
		540	int reflectedobject_count;
		541	reflectedobject_t *otherobjects; // mallocated
		542	int otherobject_count;
		543
		544	// get the device view port and save the actual width and height
		545	GetClientRect (hMainWnd, &rect);
		546	current_width = (float) rect.right; // they may differ from window width and window height
		547	current_height = (float) rect.bottom; // because of title bars, menus, borders, etc.
		548
		549	// clear the back buffer, the Z buffer and the stencil buffer
		550	d3ddev->Clear (0, NULL, D3DCLEAR_TARGET \| D3DCLEAR_ZBUFFER \| D3DCLEAR_STENCIL, D3DCOLOR_XRGB (0, 0, 0), 1.0f, 0);
		551	d3ddev->BeginScene (); // begins the 3D scene
		552
		553	////////////////////////////////////////
		554	// Setup scene lights
		555
		556	// There are three types of light : ambient, diffuse and specular.
		557	// Diffuse lights can be of type directional (sun), point (bulb) or spot (flashlight).
		558
		559	// The attenuation formula for point lights is :
		560	// Atten = 1 / (att0 + (att1 * d) + (att2 * d�))
		561
		562	// In spot lights, Phi is the outer cone angle. Theta is the inner cone angle.
		563
		564	// set the default lighting color
		565	ambient_light = RGBACOLOR_TO_ARGBCOLOR (RGBACOLOR_FULLALPHA (theme->illum.ambient_light));
		566	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		567
		568	// for each light...
		569	for (light_index = 0; light_index < theme->illum.light_count; light_index++)
		570	{
		571	light = &theme->illum.lights[light_index]; // quick access to light
		572
		573	memset (&dxlight, 0, sizeof (dxlight)); // clear out the dxlight struct for use
		574
		575	// set its type
		576	if (light->type == LIGHT_DIRECTIONAL)
		577	dxlight.Type = D3DLIGHT_DIRECTIONAL; // directional light (e.g, sun)
		578	else if (light->type == LIGHT_POINT)
		579	dxlight.Type = D3DLIGHT_POINT; // point light (e.g, light bulb)
		580	else if (light->type == LIGHT_SPOT)
		581	dxlight.Type = D3DLIGHT_SPOT; // spot light (e.g, flash light)
		582	else
		583	{
		584	d3ddev->LightEnable (light_index, false); // unknown light ; turn off light #index
		585	continue; // and proceed to the next one
		586	}
		587
		588	// set its parameters
		589	dxlight.Diffuse = D3DXCOLOR (RGBACOLOR_TO_ARGBCOLOR (RGBACOLOR_FULLALPHA (light->color)));
		590	dxlight.Specular = D3DXCOLOR (0xffffffff);
		591	dxlight.Position.x = light->pos_x;
		592	dxlight.Position.y = light->pos_y;
		593	dxlight.Position.z = light->pos_z;
		594	dxlight.Direction.x = light->direction_x;
		595	dxlight.Direction.y = light->direction_y;
		596	dxlight.Direction.z = light->direction_z;
		597	dxlight.Range = light->range; // light won't be computed after this distance
		598	dxlight.Attenuation0 = light->attenuation_constant; // constant attenuation, see formula
		599	dxlight.Attenuation1 = light->attenuation_proportional; // proportional attenuation, see formula
		600	dxlight.Attenuation2 = light->attenuation_square; // square attenuation, see formula
		601	dxlight.Phi = light->cone_outer * TO_RADIANS; // outer spot cone
		602	dxlight.Theta = light->cone_inner * TO_RADIANS; // inner spot cone
		603
		604	d3ddev->SetLight (light_index, &dxlight); // send the light struct properties to light #index
		605	d3ddev->LightEnable (light_index, true); // turn on light #index
		606	}
		607
		608	////////////////////////////////
		609	// View transform
		610
		611	// compute the sine and cosine of the pitch component
		612	angle = current_pitch * TO_RADIANS;
		613	sin_pitch = sinf (angle);
		614	cos_pitch = cosf (angle);
		615
		616	// compute the sine and cosine of the yaw component
		617	angle = current_yaw * TO_RADIANS;
		618	sin_yaw = sinf (angle);
		619	cos_yaw = cosf (angle);
		620
		621	// build the camera position
		622	camera_position.x = (float) -(cos_pitch * cos_yaw) * current_distance;
		623	camera_position.y = (float) -(cos_pitch * sin_yaw) * current_distance;
		624	camera_position.z = (float) sin_pitch * current_distance;
		625
		626	// set up a view matrix
		627	D3DXMatrixLookAtLH (&view_matrix,
		628	(D3DXVECTOR3 *) &camera_position, // camera position
		629	(D3DXVECTOR3 *) &scene_center, // look-at position
		630	(D3DXVECTOR3 *) &upwards_direction); // up direction
		631
		632	// tell Direct3D about our matrix
		633	d3ddev->SetTransform (D3DTS_VIEW, &view_matrix);
		634
		635	/////////////////////////////////////
		636	// Projection transform
		637
		638	// set up a projection matrix
		639	D3DXMatrixPerspectiveFovLH (&projection_matrix,
		640	fov_value * TO_RADIANS, // field of view width
		641	current_width / current_height, // aspect ratio
		642	viewdist_near, viewdist_far); // view plane distances
		643
		644	// tell Direct3D about our matrix
		645	d3ddev->SetTransform (D3DTS_PROJECTION, &projection_matrix);
		646
		647	/////////////////////////////////////
		648	// End of the transforms
		649
		650	// if we want it, enable specular lighting
		651	d3ddev->SetRenderState (D3DRS_SPECULARENABLE, options.want_specularlighting);
		652
		653	// turn on texture filtering if needed
		654	if (options.want_filtering)
		655	{
		656	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, best_supported_filter);
		657	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, best_supported_filter);
		658	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
		659
		660	// turn on fullscene antialiasing only if capable
5	pmbaty	661	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, is_fsaa_supported);
1	pmbaty	662	}
		663	else
		664	{
		665	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, D3DTEXF_NONE);
		666	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, D3DTEXF_NONE);
		667	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
		668
		669	// turn off fullscene antialiasing
		670	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, false);
		671	}
		672
		673	/////////////////////////////////////////////////////////////
		674	// draw the background elements. No need for a Z buffer here.
		675
		676	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable depth testing
		677
		678	// draw the background sprite, if any
		679	if (scene->background_spriteindex >= 0)
		680	Render_DrawSprite (&sprites[scene->background_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0xFF);
		681
		682	// draw the table border
		683	Render_DrawSceneObject (&scene->objects[0]);
		684	Render_DrawSceneObject (&scene->objects[1]);
		685
		686	// draw the table and build the stencil buffer at the same time
		687	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer (i.e. the "frame" for drawing table reflections)
		688	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_ALWAYS); // instruct how to fill it
		689	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_INCRSAT); // instruct how to fill it
		690	Render_DrawSceneObject (&scene->objects[2]); // draw the table squares in the stencil buffer
		691	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // finished drawing the stencil buffer
		692
		693	d3ddev->SetRenderState (D3DRS_ZENABLE, true); // re-enable depth testing
		694
		695	////////////////////////////////////////////////////////////
		696	// draw the scene objects and their reflections on the table
		697
		698	// start with the reflections if we want them, and if the table does it
		699	if (options.want_reflections && (theme->reflection_alpha > 0))
		700	{
		701	// build an array of reflected objects with their distances
		702	reflectedobjects = NULL;
		703	reflectedobject_count = 0;
		704	otherobjects = NULL;
		705	otherobject_count = 0;
		706
		707	// cycle through all parts and see which ones need to be reflected
		708	for (object_index = 3; object_index < scene->object_count; object_index++)
		709	{
		710	sceneobject = &scene->objects[object_index]; // quick access to scene object
		711
		712	// is this object a mesh AND it's above the ground ?
		713	if ((sceneobject->mesh_index != -1) && (sceneobject->z > 0))
		714	{
		715	// yes it is. It thus needs to be reflected, so add it to the list
		716	reflectedobjects = (reflectedobject_t *) SAFE_realloc (reflectedobjects, reflectedobject_count, reflectedobject_count + 1, sizeof (reflectedobject_t), false);
		717	reflectedobjects[reflectedobject_count].object = sceneobject; // save scene object
		718	reflectedobjects[reflectedobject_count].distance = DistanceToCamera (sceneobject->x, sceneobject->y, sceneobject->z);
		719	reflectedobject_count++; // we have now one object more to reflect
		720	}
		721	else
		722	{
		723	// no it's not. It doesn't need to be reflected, so add it to the other list
		724	otherobjects = (reflectedobject_t *) SAFE_realloc (otherobjects, otherobject_count, otherobject_count + 1, sizeof (reflectedobject_t), false);
		725	otherobjects[otherobject_count].object = sceneobject; // save scene object
		726	otherobjects[otherobject_count].distance = 0;
		727	otherobject_count++; // we have now one object more to reflect
		728	}
		729	}
		730
		731	// now sort them from farthest to closest and draw them in this order
		732	qsort (reflectedobjects, reflectedobject_count, sizeof (reflectedobject_t), SortReflectedObjects);
		733	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		734	Render_DrawSceneObjectReflection (reflectedobjects[object_index].object); // draw the reflection
		735	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		736	Render_DrawSceneObject (reflectedobjects[object_index].object); // and draw the objects afterwards
		737	for (object_index = 0; object_index < otherobject_count; object_index++)
		738	Render_DrawSceneObject (otherobjects[object_index].object); // finally, draw the non-reflected objects
		739
		740	SAFE_free ((void **) &reflectedobjects); // and free the reflected objects array
		741	SAFE_free ((void **) &otherobjects); // and the non-reflected objects array
		742	}
		743	else
		744	for (object_index = 3; object_index < scene->object_count; object_index++)
		745	Render_DrawSceneObject (&scene->objects[object_index]); // else if no reflections, draw the objects, the Z-buffer will sort them
		746
		747	// draw the overlay texture if required
		748	if (scene->overlay_spriteindex >= 0)
		749	Render_DrawSprite (&sprites[scene->overlay_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0x4F);
		750
		751	///////////////
		752	// draw the GUI
		753
		754	// draw the arrows
		755	DRAW_BUTTON_IF_NEEDED (scene->gui.larrow); // left arrow
		756	DRAW_BUTTON_IF_NEEDED (scene->gui.rarrow); // right arrow
		757	DRAW_TEXT_IF_NEEDED (scene->gui.arrow_text); // arrow text
		758
		759	if (want_framerate)
		760	Render_wprintf (initial_width - 10, 10, 62, ALIGN_RIGHT, ALIGN_TOP, ALIGN_CENTER, arrow_fontindex, D3DCOLOR_RGBA (255, 255, 255, 255), NULL,
		761	L"%d textures\n"
		762	L"%d meshes\n"
		763	L"%d fonts\n"
		764	L"%d sprites\n"
		765	L"%d fps", texture_count, mesh_count, font_count, sprite_count, framerate_value);
		766
		767	// draw the other GUI buttons
		768	DRAW_BUTTON_IF_NEEDED (scene->gui.chatbutton); // chat button
		769	DRAW_BUTTON_IF_NEEDED (scene->gui.gamesbutton); // games button
		770	DRAW_BUTTON_IF_NEEDED (scene->gui.peoplebutton); // people button
		771
		772	// does the parts pick line need to be displayed ?
		773	if (scene->gui.is_partspick_displayed)
		774	{
		775	#define PARTSIZE_PCT (100.0f / 13.0f)
		776
		777	if (scene->gui.partspick_selectedpart == 'P') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 0.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		778	else if (scene->gui.partspick_selectedpart == 'R') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 1.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		779	else if (scene->gui.partspick_selectedpart == 'N') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 2.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		780	else if (scene->gui.partspick_selectedpart == 'B') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 3.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		781	else if (scene->gui.partspick_selectedpart == 'Q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 4.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		782	else if (scene->gui.partspick_selectedpart == 'K') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 5.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		783	else if (scene->gui.partspick_selectedpart == ' ') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 6.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		784	else if (scene->gui.partspick_selectedpart == 'k') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 7.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		785	else if (scene->gui.partspick_selectedpart == 'q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 8.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		786	else if (scene->gui.partspick_selectedpart == 'b') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 9.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		787	else if (scene->gui.partspick_selectedpart == 'n') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 10.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		788	else if (scene->gui.partspick_selectedpart == 'r') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 11.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		789	else if (scene->gui.partspick_selectedpart == 'p') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 12.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		790
		791	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
		792	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
		793	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
		794	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
		795	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
		796	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
		797	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
		798	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
		799	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
		800	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
		801	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
		802	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
		803	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
		804
		805	#undef PARTSIZE_PCT
		806	}
		807
		808	// draw GUI texts
		809	DRAW_TEXT_IF_NEEDED (scene->gui.comment_text); // move comments
		810	DRAW_TEXT_IF_NEEDED (scene->gui.history_text); // game history
		811	DRAW_TEXT_IF_NEEDED (scene->gui.clock_text); // game clock
		812
		813	// draw the chatter channels text
		814	Render_GetTextBoundaries (-1, chat_fontindex, L"a", &rect);
		815	combined_height = rect.bottom; // get a string's height
		816
		817	// cycle through all the chat strings...
		818	ccreply = NULL;
		819	for (cchistory_index = 0; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		820	{
		821	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		822	if ((ccreply->text[0] != 0) && (ccreply->arrival_time + 60.0f > current_time))
		823	break; // break at the first one that we should display
		824	}
		825
		826	// have we some to display ?
		827	if (cchistory_index < scene->gui.cchistory_count)
		828	{
		829	// first, get the remaining text's combined height
		830	for (cchistory_index2 = cchistory_index; cchistory_index2 < scene->gui.cchistory_count; cchistory_index2++)
		831	{
		832	ccreply = &scene->gui.cchistory[cchistory_index2]; // quick access to CC reply
		833
		834	combined_width = 10;
		835	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, L"[] : ", &rect);
		836	combined_width += rect.right;
		837	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->channelname, &rect);
		838	combined_width += rect.right;
		839	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->nickname, &rect);
		840	combined_width += rect.right;
		841	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->text, &rect);
		842	combined_height += rect.bottom; // add this string's height
		843	}
		844
		845	// now for each string remaining...
		846	for (; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		847	{
		848	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		849	rect.right = 10;
		850	PRINT_CCREPLY (ccreply); // print CC reply on screen
		851	combined_height -= (rect.bottom - rect.top); // draw it from top of zone to bottom
		852	}
		853	}
		854
		855	// are we online ?
		856	if (Player_FindByType (PLAYER_INTERNET) != NULL)
		857	{
		858	ccreply = &scene->gui.entered_ccreply;
		859	if (!scene->gui.is_entering_text)
		860	ccreply->color = RGBACOLOR_SETALPHA (ccreply->color, RGBACOLOR_ALPHA (ccreply->color) / 6); // if there's no text being entered, fade CC reply a lot
		861
		862	rect.right = 10;
		863	PRINT_CCREPLY (ccreply); // print CC reply on screen
		864	}
		865
		866	// print GUI texts
		867	DRAW_TEXT_IF_NEEDED (scene->gui.turn_text); // player turn's text
		868	DRAW_TEXT_IF_NEEDED (scene->gui.central_text); // central notification zone text
		869
		870	// if needed, print the spinning wheel
		871	if (scene->gui.want_spinwheel)
		872	Render_DrawSprite (&sprites[spinner_spriteindex[(int) (10.0f * current_time) % 12]], 47.0f, 46.0f, 6.0f, 8.0f, 255);
		873
		874	// are we in demo mode ? if so, display the program name as a watermark
		875	#ifdef DEMO
		876	Render_wprintf (initial_width / 2, initial_height * 2 / 3, -1, ALIGN_CENTER, ALIGN_CENTER, ALIGN_CENTER, chat_fontindex,
		877	D3DCOLOR_RGBA (255, 255, 255, 191),
		878	NULL, PROGRAM_NAME L" - " PROGRAM_URL L"\n- %d:%02d -", (int) (DEMO_TIMEOUT - current_time) / 60, (int) (DEMO_TIMEOUT - current_time) % 60);
		879	#endif // DEMO
		880
		881	// end 3D rendering on the back buffer
		882	//////////////////////////////////////
		883
		884	d3ddev->EndScene (); // ends the 3D scene
		885	d3ddev->Present (NULL, NULL, NULL, NULL); // displays the created frame on the screen
		886
		887	// update the frame rate
		888	if (framerate_time < current_time)
		889	{
		890	framerate_value = framerate_count;
		891	framerate_count = 0;
		892	framerate_time = current_time + 1.0f;
		893	}
		894	framerate_count++; // one frame more elapsed
		895
		896	return; // finished
		897	}
		898
		899
		900	int Render_LoadMesh (const wchar_t *fmt, ...)
		901	{
		902	// this function appends a new mesh in the global meshes buffer and returns its index
		903
		904	static wchar_t meshfile_pathname[MAX_PATH];
		905	unsigned long hash;
		906	mesh_t *mesh;
		907	int mesh_index;
		908	va_list argptr;
		909
		910	// concatenate all the arguments in one string
		911	va_start (argptr, fmt);
		912	wvsprintf (meshfile_pathname, fmt, argptr);
		913	va_end (argptr);
		914
		915	// resolve wildcards and get content hash
		916	ResolveWildcard (meshfile_pathname, L".obj");
		917	hash = HashFile (meshfile_pathname);
		918
		919	// now cycle through all our loaded meshes and see if it's already loaded
		920	for (mesh_index = 0; mesh_index < mesh_count; mesh_index++)
		921	if (meshes[mesh_index].hash == hash)
		922	return (mesh_index); // if we can find it, return its index so as not to load it twice
		923
		924	// reallocate space to hold one mesh more
		925	meshes = (mesh_t *) SAFE_realloc (meshes, mesh_count, mesh_count + 1, sizeof (mesh_t), false);
		926	mesh = &meshes[mesh_count]; // quick access to the mesh we'll be working on
		927
		928	// load the mesh
		929	if (!Render_LoadMesh_Obj (mesh, meshfile_pathname))
		930	{
		931	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddMeshD3DXLoadMeshFromXFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		932	return (-1); // bomb out on error
		933	}
		934
		935	mesh->hash = hash; // save the hash
		936	mesh_count++; // we know now one mesh more
		937	return (mesh_count - 1); // return its index
		938	}
		939
		940
		941	int Render_LoadTexture (const wchar_t *fmt, ...)
		942	{
		943	// this function appends a new texture in the global textures buffer and returns its index
		944
		945	D3DSURFACE_DESC texture_description;
		946	wchar_t texturefile_pathname[MAX_PATH];
		947	static wchar_t *filename;
		948	unsigned long hash;
		949	int texture_index;
		950	va_list argptr;
		951
		952	// concatenate all the arguments in one string
		953	va_start (argptr, fmt);
		954	wvsprintf (texturefile_pathname, fmt, argptr);
		955	va_end (argptr);
		956
		957	// resolve wildcards and get content hash
		958	ResolveWildcard (texturefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		959	hash = HashFile (texturefile_pathname);
		960
		961	// now cycle through all our loaded textures and see if it's already loaded
		962	for (texture_index = 0; texture_index < texture_count; texture_index++)
		963	if (textures[texture_index].hash == hash)
		964	return (texture_index); // if we can find it, return its index so as not to load it twice
		965
		966	// reallocate space to hold one texture more
		967	textures = (texture_t *) SAFE_realloc (textures, texture_count, texture_count + 1, sizeof (texture_t), false);
		968
		969	// ask Direct3D to prepare texture data
		970	if (FAILED (D3DXCreateTextureFromFile (d3ddev, texturefile_pathname, &textures[texture_count].texture)))
		971	{
		972	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddTextureD3DXCreateTextureFromFileFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		973	return (-1); // bomb out on error
		974	}
		975
		976	// get info on the newly loaded texture such as size etc.
		977	textures[texture_count].texture->GetLevelDesc (0, &texture_description);
		978	textures[texture_count].width = texture_description.Width; // save texture width (as loaded)
		979	textures[texture_count].height = texture_description.Height; // save texture height (as loaded)
		980	textures[texture_count].hash = hash; // save its hash
		981	texture_count++; // we know now one texture more
		982	return (texture_count - 1); // return its index
		983	}
		984
		985
		986	int Render_LoadFont (const wchar_t *font_name, int font_size, bool is_bold, bool is_italic)
		987	{
		988	// this function appends a new font in the global fonts buffer and returns its index
		989
		990	unsigned long pathname_hash;
		991	int font_index;
		992
		993	// first, get the hash of the requested pathname (include font size and weight parameters)
		994	pathname_hash = HashString (font_name);
		995	pathname_hash += 3 * (unsigned long) font_size + 2 * (unsigned long) is_bold + (unsigned long) is_italic;
		996
		997	// now cycle through all our loaded fonts and see if it's already loaded
		998	for (font_index = 0; font_index < font_count; font_index++)
		999	if (fonts[font_index].pathname_hash == pathname_hash)
		1000	return (font_index); // if we can find it, return its index so as not to load it twice
		1001
		1002	// reallocate space to hold one font more
		1003	fonts = (font_t *) SAFE_realloc (fonts, font_count, font_count + 1, sizeof (font_t), false);
		1004
		1005	// create a Direct3D font object and record font data
		1006	if (FAILED (D3DXCreateFont (d3ddev, font_size, // font height
		1007	0, // font width
		1008	(is_bold ? FW_BOLD : FW_NORMAL), // font weight (bold, etc)
		1009	0, // miplevels
		1010	is_italic, // is italic
		1011	DEFAULT_CHARSET, // charset
		1012	OUT_DEFAULT_PRECIS, // precision
		1013	CLEARTYPE_QUALITY, // font quality (antialiased or not)
		1014	DEFAULT_PITCH \| FF_DONTCARE, // font family
		1015	font_name, // font name
		1016	&fonts[font_count].font))) // and a pointer that will receive the font
		1017	{
		1018	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddFontD3DXCreateFontFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		1019	return (-1); // bomb out on error
		1020	}
		1021
		1022	fonts[font_count].pathname_hash = pathname_hash; // save its hash
		1023	font_count++; // we know now one font more
		1024	return (font_count - 1); // return its index
		1025	}
		1026
		1027
		1028	int Render_LoadSprite (const wchar_t *fmt, ...)
		1029	{
		1030	// this function appends a new sprite in the global sprites buffer and returns its index
		1031
		1032	wchar_t spritefile_pathname[MAX_PATH];
		1033	unsigned long hash;
		1034	int sprite_index;
		1035	va_list argptr;
		1036
		1037	// concatenate all the arguments in one string
		1038	va_start (argptr, fmt);
		1039	wvsprintf (spritefile_pathname, fmt, argptr);
		1040	va_end (argptr);
		1041
		1042	// resolve wildcards and get content hash
		1043	ResolveWildcard (spritefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		1044	hash = HashFile (spritefile_pathname);
		1045
		1046	// now cycle through all our loaded sprites and see if it's already loaded
		1047	for (sprite_index = 0; sprite_index < sprite_count; sprite_index++)
		1048	if (sprites[sprite_index].hash == hash)
		1049	return (sprite_index); // if we can find it, return its index so as not to load it twice
		1050
		1051	// reallocate space to hold one sprite more
		1052	sprites = (sprite_t *) SAFE_realloc (sprites, sprite_count, sprite_count + 1, sizeof (sprite_t), false);
		1053
		1054	// ask Direct3D to prepare texture data
		1055	if (FAILED (D3DXCreateSprite (d3ddev, &sprites[sprite_count].sprite)))
		1056	{
		1057	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddSpriteD3DXCreateSpriteFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		1058	return (-1); // bomb out on error
		1059	}
		1060	sprites[sprite_count].texture_index = Render_LoadTexture (spritefile_pathname); // register and save sprite texture
		1061	sprites[sprite_count].hash = hash; // save its hash
		1062
		1063	sprite_count++; // we know now one sprite more
		1064	return (sprite_count - 1); // return its index
		1065	}
		1066
		1067
		1068	int Render_MaterialIndexOf (const wchar_t *material_name)
		1069	{
		1070	// this function returns the index of the material in the global materials array which has the specified name
		1071
		1072	int material_index;
		1073
		1074	// cycle through all materials and look whether one with the specified name exists
		1075	for (material_index = 0; material_index < material_count; material_index++)
		1076	if (_wcsicmp (materials[material_index].name, material_name) == 0)
		1077	return (material_index); // if we find one, return its index
		1078
		1079	return (material_count - 1); // else return the index of the last material in list, which is the default material
		1080	}
		1081
		1082
		1083	void Render_MouseToFloor (short mouse_x, short mouse_y, float floor_x, float floor_y)
		1084	{
		1085	// this function converts a mouse coordinates into floor coordinates by doing vector
		1086	// projection on the floor plane from the eyepoint of the camera
		1087
		1088	static D3DXPLANE floor_plane;
		1089	static bool is_planefound = false;
		1090
		1091	D3DXMATRIX projection_matrix;
		1092	D3DXMATRIX view_matrix;
		1093	D3DXMATRIX invertedview_matrix;
		1094	float mouse_pitch;
		1095	float mouse_yaw;
		1096	vector_t v_lookat;
		1097	vector_t v_intersection;
		1098
		1099	// find the floor plane (only do it once)
		1100	if (!is_planefound)
		1101	{
		1102	D3DXPlaneFromPointNormal (&floor_plane, (D3DXVECTOR3 ) &scene_center, (D3DXVECTOR3 ) &upwards_direction);
		1103	is_planefound = true; // once and for all, as this plane will never change
		1104	}
		1105
		1106	// get the current projection and view matrices, and invert the view matrix
		1107	d3ddev->GetTransform (D3DTS_PROJECTION, &projection_matrix);
		1108	d3ddev->GetTransform (D3DTS_VIEW, &view_matrix);
		1109	D3DXMatrixInverse (&invertedview_matrix, NULL, &view_matrix);
		1110
		1111	// convert the mouse coordinates to relative pitch and yaw
		1112	mouse_pitch = (((mouse_x * 2.0f) / current_width) - 1) / projection_matrix._11;
		1113	mouse_yaw = -(((mouse_y * 2.0f) / current_height) - 1) / projection_matrix._22;
		1114
		1115	// now build a matrix that will describe the mouse direction vector, add it to the camera position, and make it 200 times longer
		1116	v_lookat.x = camera_position.x + (mouse_pitch * invertedview_matrix._11 + mouse_yaw * invertedview_matrix._21 + invertedview_matrix._31) * 200.0f;
		1117	v_lookat.y = camera_position.y + (mouse_pitch * invertedview_matrix._12 + mouse_yaw * invertedview_matrix._22 + invertedview_matrix._32) * 200.0f;
		1118	v_lookat.z = camera_position.z + (mouse_pitch * invertedview_matrix._13 + mouse_yaw * invertedview_matrix._23 + invertedview_matrix._33) * 200.0f;
		1119
		1120	// and the intersection point with our ray
		1121	D3DXPlaneIntersectLine ((D3DXVECTOR3 ) &v_intersection, &floor_plane, (D3DXVECTOR3 ) &camera_position, (D3DXVECTOR3 *) &v_lookat);
		1122
		1123	// now fill the return values
		1124	*floor_x = v_intersection.x;
		1125	*floor_y = v_intersection.y;
		1126
		1127	return; // finished
		1128	}
		1129
		1130
		1131	bool Render_IsMouseInBox (short mouse_x, short mouse_y, float x_percent, float y_percent, float width_percent, float height_percent)
		1132	{
		1133	// helper function that returns whether the mouse coordinates are inside a given square
		1134
		1135	float mousex_percent;
		1136	float mousey_percent;
		1137
		1138	// compute mouse coordinates in percents
		1139	mousex_percent = (float) (mouse_x * 100) / current_width;
		1140	mousey_percent = (float) (mouse_y * 100) / current_height;
		1141
		1142	return ((mousex_percent >= x_percent) && (mousex_percent <= x_percent + width_percent)
		1143	&& (mousey_percent >= y_percent) && (mousey_percent <= y_percent + height_percent));
		1144	}
		1145
		1146
		1147	static bool Render_LoadMesh_Obj (mesh_t mesh, const wchar_t objfile_pathname)
		1148	{
		1149	// this function loads a mesh from a Wavefront Object file (.obj)
		1150
		1151	#define OBJ_INCREASE_OR_RESIZE(count,maxcount,increment,arrayptr,type,erase) { \
		1152	(count)++; \
		1153	if ((count) == (maxcount)) \
		1154	{ \
		1155	(arrayptr) = (type *) SAFE_realloc ((arrayptr), (maxcount), (maxcount) + (increment), sizeof (type), erase); \
		1156	(maxcount) += (increment); \
		1157	} \
		1158	}
		1159	#define OBJ_CONVERT_INDEX(element,current_element_count) if ((element) < 0) (element) = (current_element_count) + (element); else (element)--;
		1160	#define OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX(uniquevertex) \
		1161	{ \
		1162	hash = &hashtable[((unsigned long ) &obj.vs[(uniquevertex).iv].x) & 0xFF]; \
		1163	for (vertex_index = 0; vertex_index < hash->count; vertex_index++) \
		1164	if ((memcmp (&vertices[hash->indices[vertex_index]].position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)) == 0) \
		1165	&& (memcmp (&vertices[hash->indices[vertex_index]].normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)) == 0) \
		1166	&& (memcmp (&vertices[hash->indices[vertex_index]].texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)) == 0)) \
		1167	break; \
		1168	if (vertex_index == hash->count) \
		1169	{ \
		1170	vertex_index = mesh->vertice_count; \
		1171	current_vertex = &vertices[vertex_index]; \
		1172	memset (current_vertex, 0, sizeof (vertex_t)); \
		1173	memcpy (&current_vertex->position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)); \
		1174	if ((uniquevertex).in > -1) \
		1175	memcpy (&current_vertex->normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)); \
		1176	if ((uniquevertex).itc > -1) \
		1177	memcpy (&current_vertex->texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)); \
		1178	hash = &hashtable[((unsigned long ) &current_vertex->normal.x) & 0xFF]; \
		1179	hash->indices = (long *) SAFE_realloc (hash->indices, hash->count, hash->count + 1, sizeof (long), false); \
		1180	hash->indices[hash->count] = vertex_index; \
		1181	hash->count++; \
		1182	mesh->vertice_count++; \
		1183	} \
		1184	else \
		1185	vertex_index = hash->indices[vertex_index]; \
		1186	}
		1187
		1188	typedef struct obj_uniquevertex_s { long iv, in, itc; } obj_uniquevertex_t;
		1189	typedef struct obj_face_s { obj_uniquevertex_t v1, v2, v3; } obj_face_t;
		1190	typedef struct obj_hashbucket_s { int count; long indices; / mallocated */ } obj_hashbucket_t;
		1191	typedef struct objfile_s
		1192	{
		1193	vector_t *vs; long v_count; long v_maxcount; // array mallocated to v_maxcount
		1194	vector_t *ns; long n_count; long n_maxcount; // array mallocated to n_maxcount
		1195	texcoord_t *tcs; long tc_count; long tc_maxcount; // array mallocated to tc_maxcount
		1196	obj_face_t *fs; long f_count; long f_maxcount; // array mallocated to f_maxcount
		1197	} objfile_t;
		1198
		1199	static obj_hashbucket_t hashtable[256];
		1200	objfile_t obj;
		1201	obj_hashbucket_t *hash;
		1202	obj_face_t *f;
		1203	vertex_t *vertices; // mallocated
		1204	unsigned long *indices; // mallocated
		1205	vertex_t *current_vertex;
		1206	struct _stat fileinfo;
		1207	char *filedata; // mallocated
		1208	char *fileptr;
		1209	int vertex_index;
		1210	int array_index;
		1211	void *ptr_to;
		1212	FILE *fp;
		1213
		1214	// open the mesh file and read it as a whole
		1215	_wstat (objfile_pathname, &fileinfo);
		1216	_wfopen_s (&fp, objfile_pathname, L"rb");
		1217	if (fp == NULL)
		1218	return (false); // bomb out on error
		1219	filedata = (char *) SAFE_malloc (fileinfo.st_size, sizeof (char), false); // mallocate space for data
		1220	fread (filedata, fileinfo.st_size, 1, fp); // read file as a whole
		1221	fclose (fp); // file is read, close it
		1222
		1223	// allocate space for an arbitrary amount of vertices, texture coordinates, normals and faces
		1224	memset (&obj, 0, sizeof (obj));
		1225	obj.v_maxcount = 10000; obj.vs = (vector_t *) SAFE_malloc (obj.v_maxcount, sizeof (vector_t), false);
		1226	obj.n_maxcount = 10000; obj.ns = (vector_t *) SAFE_malloc (obj.n_maxcount, sizeof (vector_t), false);
		1227	obj.tc_maxcount = 10000; obj.tcs = (texcoord_t *) SAFE_malloc (obj.tc_maxcount, sizeof (texcoord_t), false);
		1228	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 !)
		1229
		1230	// read file line per line...
		1231	fileptr = filedata - 1; // start parsing line after line
		1232	while (fileptr != NULL)
		1233	{
		1234	fileptr++; // skip the line feed (or reach the first character, if it's the first pass)
		1235
		1236	// is it a vertex-related line ?
		1237	if (fileptr[0] == L'v')
		1238	{
		1239	// is it a vertex, a normal or a texture coordinate ?
		1240	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))
		1241	OBJ_INCREASE_OR_RESIZE (obj.v_count, obj.v_maxcount, 10000, obj.vs, vector_t, false) // one vertex more has been read
		1242	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))
		1243	OBJ_INCREASE_OR_RESIZE (obj.n_count, obj.n_maxcount, 10000, obj.ns, vector_t, false) // one normal more has been read
		1244	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))
		1245	OBJ_INCREASE_OR_RESIZE (obj.tc_count, obj.tc_maxcount, 10000, obj.tcs, texcoord_t, false) // one texture coordinate more has been read
		1246	}
		1247
		1248	// else is it a face-related line ?
		1249	else if (fileptr[0] == L'f')
		1250	{
		1251	// get a quick pointer to current face (note: it's been already blanked out by malloc())
		1252	f = &obj.fs[obj.f_count];
		1253
		1254	// is it a face with normals, a face without normals or a face without normals and texture coordinates ?
		1255	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)
		1256	\|\| (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)
		1257	\|\| (sscanf_s (&fileptr[2], "%d %d %d", &f->v3.iv, &f->v2.iv, &f->v3.iv) == 6))
		1258	{
		1259	OBJ_CONVERT_INDEX (f->v1.iv, obj.v_count);
		1260	OBJ_CONVERT_INDEX (f->v1.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1261	OBJ_CONVERT_INDEX (f->v1.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1262	OBJ_CONVERT_INDEX (f->v2.iv, obj.v_count);
		1263	OBJ_CONVERT_INDEX (f->v2.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1264	OBJ_CONVERT_INDEX (f->v2.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1265	OBJ_CONVERT_INDEX (f->v3.iv, obj.v_count);
		1266	OBJ_CONVERT_INDEX (f->v3.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1267	OBJ_CONVERT_INDEX (f->v3.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1268	OBJ_INCREASE_OR_RESIZE (obj.f_count, obj.f_maxcount, 5000, obj.fs, obj_face_t, true) // one face more has been read
		1269	}
		1270	}
		1271
		1272	fileptr = strchr (fileptr, '\n'); // proceed to next line
		1273	}
		1274
		1275	// now build our final vertex and index list
		1276	vertices = (vertex_t ) SAFE_malloc (3 obj.f_count, sizeof (vertex_t), false); // mallocate for the max number of vertices we can have
		1277	indices = (unsigned long ) SAFE_malloc (3 obj.f_count, sizeof (unsigned long), false); // mallocate for the right amount of indices
		1278
		1279	// t3h mighty l00p ^^ (builds vertex and index buffers)
		1280	memset (hashtable, 0, sizeof (hashtable)); // wipe out the hashtable
		1281	mesh->vertice_count = 0; // start with an unoptimized list
		1282	for (array_index = 0; array_index < obj.f_count; array_index++)
		1283	{
		1284	f = &obj.fs[array_index]; // quick access to current face
		1285	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v1);
		1286	indices[3 * array_index + 0] = vertex_index;
		1287	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v2);
		1288	indices[3 * array_index + 1] = vertex_index;
		1289	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v3);
		1290	indices[3 * array_index + 2] = vertex_index;
		1291	}
		1292
		1293	// now create a correctly-sized DirectX vertex buffer and populate it
		1294	mesh->vertex_format = D3DFVF_XYZ \| D3DFVF_NORMAL \| D3DFVF_TEX1;
		1295	mesh->vertice_size = sizeof (vertex_t);
		1296	d3ddev->CreateVertexBuffer (mesh->vertice_count * mesh->vertice_size, // length
		1297	D3DUSAGE_DYNAMIC, // usage
		1298	mesh->vertex_format, // vertex format
		1299	D3DPOOL_DEFAULT, // pool type
		1300	&mesh->d3dvertices, // pointer to the vertex buffer pointer
		1301	NULL); // shared handle
		1302	mesh->d3dvertices->Lock (0, mesh->vertice_count * mesh->vertice_size, &ptr_to, D3DLOCK_DISCARD);
		1303	memcpy (ptr_to, vertices, mesh->vertice_count * mesh->vertice_size);
		1304	mesh->d3dvertices->Unlock ();
		1305
		1306	// create a correctly-sized DirectX index buffer and populate it
		1307	mesh->is_indexed = true; // remember that we're building an index buffer
		1308	mesh->indice_count = obj.f_count * 3;
		1309	mesh->indice_size = (mesh->indice_count <= (int) USHRT_MAX ? 2 : 4);
		1310	d3ddev->CreateIndexBuffer (mesh->indice_count * mesh->indice_size, // length
		1311	D3DUSAGE_DYNAMIC, // usage
		1312	(mesh->indice_size == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32), // format (here, 16 or 32-bit)
		1313	D3DPOOL_DEFAULT, // pool type
		1314	&mesh->d3dindices, // pointer to the index buffer pointer
		1315	NULL); // shared handle
		1316	mesh->d3dindices->Lock (0, mesh->indice_count * mesh->indice_size, &ptr_to, D3DLOCK_DISCARD);
		1317	if (mesh->indice_size == 2)
		1318	for (array_index = 0; array_index < mesh->indice_count; array_index++)
		1319	((unsigned short *) ptr_to)[array_index] = (unsigned short) indices[array_index];
		1320	else
		1321	memcpy (ptr_to, indices, mesh->indice_count * mesh->indice_size);
		1322	mesh->d3dindices->Unlock ();
		1323
		1324	// finished, free the temporary objects
		1325	for (array_index = 0; array_index < sizeof (hashtable) / sizeof (obj_hashbucket_t); array_index++)
		1326	SAFE_free ((void **) &hashtable[array_index].indices);
		1327	SAFE_free ((void **) &indices);
		1328	SAFE_free ((void **) &vertices);
		1329	SAFE_free ((void **) &obj.vs);
		1330	SAFE_free ((void **) &obj.ns);
		1331	SAFE_free ((void **) &obj.tcs);
		1332	SAFE_free ((void **) &obj.fs);
		1333	SAFE_free ((void **) &filedata);
		1334
		1335	return (true); // Wavefront Object successfully loaded, return TRUE
		1336
		1337	#undef OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX
		1338	#undef OBJ_CONVERT_INDEX
		1339	#undef OBJ_INCREASE_OR_RESIZE
		1340	}
		1341
		1342
		1343	static void Render_DrawSceneObjectReflection (sceneobject_t *sceneobject)
		1344	{
		1345	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1346
		1347	D3DXMATRIX rotation_matrix;
		1348	D3DXMATRIX translation_matrix;
		1349	D3DXMATRIX reflect_matrix;
		1350	D3DXMATRIX scaling_matrix;
		1351	material_t *material;
		1352	D3DMATERIAL9 d3dmaterial;
		1353	D3DXPLANE plane;
		1354	mesh_t *mesh;
		1355	mesh_t *tile_mesh;
		1356	float alpha;
		1357
		1358	// draw the reflection below this mesh
		1359
		1360	// quick access to meshes
		1361	mesh = &meshes[sceneobject->mesh_index];
		1362	tile_mesh = &meshes[theme->tile_meshindex];
		1363
		1364	// set the world transform at location
		1365	D3DXPlaneFromPointNormal (&plane, (D3DXVECTOR3 ) &scene_center, (D3DXVECTOR3 ) &upwards_direction);
		1366	D3DXMatrixReflect (&reflect_matrix, &plane);
		1367	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, -sceneobject->pitch * TO_RADIANS, 0.0f, -sceneobject->yaw * TO_RADIANS);
		1368	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, -sceneobject->z);
		1369	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1370
		1371	// tell Direct3D about our matrix
		1372	d3ddev->SetTransform (D3DTS_WORLD, &(reflect_matrix * scaling_matrix * rotation_matrix * translation_matrix));
		1373
		1374	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer
		1375	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_LESS); // instruct how to fill the stencil buffer
		1376	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_KEEP); // instruct how to fill the stencil buffer
		1377
		1378	// set the texture for this mesh
		1379	if (sceneobject->texture_index != -1)
		1380	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1381	else
		1382	d3ddev->SetTexture (0, NULL);
		1383
		1384	// adjust the light reflection properties by setting the material
		1385	if (sceneobject->material_index != -1)
		1386	material = &materials[sceneobject->material_index]; // use the specified scene object material
		1387	else
		1388	material = &materials[material_count - 1]; // scene object material unspecified, use default material
		1389	alpha = theme->reflection_alpha / 256.0f;
		1390	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency * alpha); // Alpha value not used according to SDK
		1391	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency * alpha);
		1392	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency * alpha); // Alpha value not used according to SDK
		1393	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency * alpha); // Alpha value not used according to SDK
		1394	d3dmaterial.Power = material->shininess;
		1395	d3ddev->SetMaterial (&d3dmaterial);
		1396
		1397	// draw the mesh subset
		1398	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1399	d3ddev->SetFVF (mesh->vertex_format);
		1400	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1401	if (mesh->is_indexed)
		1402	{
		1403	d3ddev->SetIndices (mesh->d3dindices);
		1404	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1405	}
		1406	else
		1407	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1408
		1409	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // and disable the stencil buffer
		1410
		1411	// now draw the simple shadow below this mesh
		1412
		1413	// grab the tools we need in hand
		1414	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable the Z buffer
		1415	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_XRGB (255, 255, 255)); // raise ambient light
		1416
		1417	// position the simple shadow sprite
		1418	D3DXMatrixScaling (&scaling_matrix, max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), 0.0f);
		1419	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, 0.0f);
		1420	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * translation_matrix));
		1421
		1422	// adjust the light reflection properties by setting the material
		1423	material = &materials[material_count - 1]; // use the default material
		1424	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1425	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1426	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1427	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1428	d3dmaterial.Power = material->shininess;
		1429	d3ddev->SetMaterial (&d3dmaterial);
		1430
		1431	d3ddev->SetTexture (0, textures[theme->shadow_textureindex].texture); // select the texture we want
		1432
		1433	// and then draw it
		1434	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1435	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1436	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1437	if (tile_mesh->is_indexed)
		1438	{
		1439	d3ddev->SetIndices (tile_mesh->d3dindices);
		1440	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1441	}
		1442	else
		1443	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1444
		1445	// finished, reset ambient light to its previous value and enable the Z buffer back
		1446	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1447	d3ddev->SetRenderState (D3DRS_ZENABLE, true);
		1448
		1449	return; // finished
		1450	}
		1451
		1452
		1453	static void Render_DrawSceneObject (sceneobject_t *sceneobject)
		1454	{
		1455	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1456
		1457	D3DXMATRIX rotation_matrix;
		1458	D3DXMATRIX translation_matrix;
		1459	D3DXMATRIX scaling_matrix;
		1460	material_t *material;
		1461	D3DMATERIAL9 d3dmaterial;
		1462	mesh_t *mesh;
		1463
		1464	// is this object a tile (i.e, it has no mesh) ?
		1465	if (sceneobject->mesh_index == -1)
		1466	{
		1467	Render_DrawSceneTile (sceneobject); // then draw it as a tile instead
		1468	return; // and return
		1469	}
		1470
		1471	// quick access to mesh
		1472	mesh = &meshes[sceneobject->mesh_index];
		1473
		1474	// set the world transform at location
		1475	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1476	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1477	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1478
		1479	// tell Direct3D about our matrix
		1480	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1481
		1482	// set the texture for this mesh
		1483	if (sceneobject->texture_index != -1)
		1484	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1485	else
		1486	d3ddev->SetTexture (0, NULL);
		1487
		1488	// adjust the light reflection properties by setting the material
		1489	if (sceneobject->material_index != -1)
		1490	material = &materials[sceneobject->material_index];
		1491	else
		1492	material = &materials[material_count - 1];
		1493	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1494	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1495	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1496	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1497	d3dmaterial.Power = material->shininess;
		1498	d3ddev->SetMaterial (&d3dmaterial);
		1499
		1500	// draw the mesh subset
		1501	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1502	d3ddev->SetFVF (mesh->vertex_format);
		1503
		1504	// is there transparency on this mesh ?
		1505	if (material->transparency < 1)
		1506	{
		1507	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1508	if (mesh->is_indexed)
		1509	{
		1510	d3ddev->SetIndices (mesh->d3dindices);
		1511	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1512	}
		1513	else
		1514	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1515	}
		1516
		1517	// now draw the front faces
		1518	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CCW); // draw the front faces
		1519	if (mesh->is_indexed)
		1520	{
		1521	d3ddev->SetIndices (mesh->d3dindices);
		1522	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1523	}
		1524	else
		1525	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1526
		1527	return; // finished
		1528	}
		1529
		1530
		1531	static void Render_DrawSceneTile (sceneobject_t *sceneobject)
		1532	{
		1533	// fast helper to draw a tile (i.e, an object that doesn't have a mesh) at a specified location
		1534
		1535	D3DXMATRIX rotation_matrix;
		1536	D3DXMATRIX translation_matrix;
		1537	D3DXMATRIX scaling_matrix;
		1538	material_t *material;
		1539	D3DMATERIAL9 d3dmaterial;
		1540	mesh_t *tile_mesh;
		1541
		1542	tile_mesh = &meshes[theme->tile_meshindex]; // quick access to tile mesh
		1543
		1544	// grab the tools we need in hand
		1545	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_RGBA (0xFF, 0xFF, 0xFF, 0xFF)); // raise light
		1546
		1547	// set the world transform at location
		1548	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1549	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1550	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1551
		1552	// tell Direct3D about our matrix
		1553	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1554
		1555	// adjust the light reflection properties by setting the material
		1556	material = &materials[material_count - 1]; // use the default material for tiles
		1557	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->ambient);
		1558	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->diffuse);
		1559	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->emissive);
		1560	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->specular);
		1561	d3dmaterial.Power = material->shininess;
		1562	d3ddev->SetMaterial (&d3dmaterial);
		1563
		1564	// select the texture we want
		1565	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1566
		1567	// and then draw it
		1568	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1569	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1570	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1571	if (tile_mesh->is_indexed)
		1572	{
		1573	d3ddev->SetIndices (tile_mesh->d3dindices);
		1574	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1575	}
		1576	else
		1577	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1578
		1579	// finished, reset ambient light to its previous value
		1580	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1581
		1582	return; // finished
		1583	}
		1584
		1585
		1586	static void Render_DrawSprite (sprite_t *sprite, float x_percent, float y_percent, float width_percent, float height_percent, int alpha)
		1587	{
		1588	// fast helper to draw a sprite at a specified location with certain parameters
		1589
		1590	D3DXMATRIX scaling_matrix;
		1591	texture_t *texture;
		1592	float scale_x;
		1593	float scale_y;
		1594
		1595	texture = &textures[sprite->texture_index]; // quick access to sprite's texture
		1596
		1597	scale_x = (width_percent * (float) initial_width) / (float) (100 * texture->width);
		1598	scale_y = (height_percent * (float) initial_height) / (float) (100 * texture->height);
		1599
		1600	// start rendering the sprite (an optimized version would draw all sprites in a row...)
		1601	sprite->sprite->Begin (D3DXSPRITE_ALPHABLEND);
		1602
		1603	// scale and position the sprite
		1604	D3DXMatrixTransformation2D (&scaling_matrix, // output matrix
		1605	NULL, // scaling center
		1606	0.0f, // scaling rotation
		1607	&D3DXVECTOR2 (scale_x, scale_y), // scaling ratio
		1608	&D3DXVECTOR2 (0, 0), // rotation center
		1609	0.0f, // rotation
		1610	&D3DXVECTOR2 (x_percent * (float) initial_width / 100.0f, y_percent * (float) initial_height / 100.0f)); // translation
		1611	sprite->sprite->SetTransform (&scaling_matrix); // tell the sprite about the scaling and position transform
		1612
		1613	// now draw the sprite with the specified alpha and finish rendering
		1614	sprite->sprite->Draw (texture->texture, NULL, NULL, NULL, D3DCOLOR_ARGB (alpha, 255, 255, 255));
		1615	sprite->sprite->End ();
		1616
		1617	return; // finished
		1618	}
		1619
		1620
		1621	static void Render_GetTextBoundaries (int max_width, int font_id, wchar_t text, RECT rect)
		1622	{
		1623	// this function computes and returns the size of the rectangle the specified text will fit into. Note that text may be modified
		1624	// to insert new lines if it doesn't fit in a single line.
		1625
		1626	int char_index;
		1627	int length;
		1628	int optimal_length;
		1629	bool have_split;
		1630
		1631	// blank out the output rectangle
		1632	memset (rect, 0, sizeof (RECT));
		1633
		1634	// ask direct3D to compute the text size a first time
		1635	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1636
		1637	// if max width is not set, set it to viewport width
		1638	if (max_width < 0)
		1639	max_width = initial_width; // then use it to compute the real max width
		1640
		1641	// do we need more than one line ?
		1642	if (rect->right > max_width)
		1643	{
		1644	// see how many lines we need and compute the optimal length of one line
		1645	length = wcslen (text);
		1646	optimal_length = length / (1 + rect->right / (int) max_width);
		1647	have_split = false;
		1648	for (char_index = optimal_length; char_index < length; char_index++)
		1649	if (iswspace (text[char_index]))
		1650	{
		1651	text[char_index] = L'\n'; // interpolate linefeeds into string
		1652	have_split = true; // remember string has been split
		1653	char_index += optimal_length;
		1654	}
		1655
		1656	// and ask direct3D to compute the text size again
		1657	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1658	}
		1659
		1660	return; // finished
		1661	}
		1662
		1663
		1664	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, ...)
		1665	{
		1666	// this function displays text on the Direct3D interface according to the given parameters. X and Y are the base coordinates of
		1667	// the text's bounding rectangle. Max_width is the maximum allowed width of this rectangle before wrapping words on a new line.
		1668	// Horiz_align and vert_align are the alignment parameters of the RECTANGLE relatively to X and Y. Text_align is the alignment of
		1669	// the TEXT inside this rectangle (meaning, you can have right-aligned text in a rectangle that is centered on a point). Font_id
		1670	// 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
		1671	// bounding rectangle, after any word wrapping corrections have been made. Fmt is a format string containing the text itself,
		1672	// printf-style.
		1673
		1674	va_list argptr;
		1675	RECT rect;
		1676	int left;
		1677	int top;
		1678
		1679	// concatenate all the arguments in one string
		1680	va_start (argptr, fmt);
		1681	wvsprintf (printf_buffer, fmt, argptr);
		1682	va_end (argptr);
		1683
		1684	// get the text boundaries
		1685	Render_GetTextBoundaries (max_width, font_id, printf_buffer, &rect);
		1686
		1687	// horizontal alignment
		1688	if (horiz_align == ALIGN_LEFT)
		1689	left = x;
		1690	else if (horiz_align == ALIGN_RIGHT)
		1691	left = x - rect.right;
		1692	else
		1693	left = x - rect.right / 2;
		1694
		1695	// vertical alignment
		1696	if (vert_align == ALIGN_TOP)
		1697	top = y;
		1698	else if (vert_align == ALIGN_BOTTOM)
		1699	top = y - rect.bottom;
		1700	else
		1701	top = y - rect.bottom / 2;
		1702
		1703	// now reposition our rectangle correctly acording to alignment
		1704	OffsetRect (&rect, left, top);
		1705
		1706	// and draw the text
		1707	if (text_align == ALIGN_LEFT)
		1708	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_LEFT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1709	else if (horiz_align == ALIGN_RIGHT)
		1710	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_RIGHT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1711	else
		1712	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_CENTER, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1713
		1714	// do we want the output rectangle ?
		1715	if (out_rect != NULL)
		1716	memcpy (out_rect, &rect, sizeof (rect)); // if so, copy it in the given variable
		1717
		1718	return; // finished
		1719	}
		1720
		1721
		1722	static float DistanceToCamera (float x, float y, float z)
		1723	{
		1724	// this function computes the distance of the point at coordinates x,y,z to the camera
		1725
		1726	vector_t displacement;
		1727
		1728	// compute displacement...
		1729	displacement.x = x - camera_position.x;
		1730	displacement.y = y - camera_position.y;
		1731	displacement.z = z - camera_position.z;
		1732
		1733	// ...and then Pythagores in 3D
		1734	return (sqrtf (displacement.x * displacement.x + displacement.y * displacement.y + displacement.z * displacement.z));
		1735	}
		1736
		1737
		1738	static float FadeFloat (float from, float to, float start_time, float end_time)
		1739	{
		1740	// helper function to return a progressive variation between from and to based on time
		1741
		1742	if (end_time < current_time)
		1743	return (to);
		1744
		1745	// base + (variation) * ( fraction of completion )
		1746	return (from + (to - from) * (current_time - start_time) / (end_time - start_time));
		1747	}
		1748
		1749
		1750	static unsigned long HashString (const wchar_t *string_buffer)
		1751	{
		1752	// super fast string hash function, code courtesy of
		1753	// http://www.azillionmonkeys.com/qed/hash.html
		1754
		1755	unsigned long length;
		1756	unsigned long hash;
		1757	unsigned long tmp;
		1758	int remaining;
		1759
		1760	// first, get the string length and start with this as a hash value
		1761	length = wcslen (string_buffer) * sizeof (wchar_t);
		1762	hash = length;
		1763
		1764	// figure out how many bytes there will remain after 32-bit processing
		1765	remaining = length & 3;
		1766	length >>= 2;
		1767
		1768	// main loop, process 32-bit blocks
		1769	for ( ; length > 0; length--)
		1770	{
		1771	hash += ((const unsigned short ) string_buffer);
		1772	tmp = ((((const unsigned short ) (string_buffer + 2))) << 11) ^ hash;
		1773	hash = (hash << 16) ^ tmp;
		1774	string_buffer += 2 * sizeof (unsigned short);
		1775	hash += hash >> 11;
		1776	}
		1777
		1778	// handle the remaining bytes
		1779	if (remaining == 3)
		1780	{
		1781	hash += ((const unsigned short ) string_buffer);
		1782	hash ^= hash << 16;
		1783	hash ^= string_buffer[sizeof (unsigned short)] << 18;
		1784	hash += hash >> 11;
		1785	}
		1786	else if (remaining == 2)
		1787	{
		1788	hash += ((const unsigned short ) string_buffer);
		1789	hash ^= hash << 11;
		1790	hash += hash >> 17;
		1791	}
		1792	else if (remaining == 1)
		1793	{
		1794	hash += *string_buffer;
		1795	hash ^= hash << 10;
		1796	hash += hash >> 1;
		1797	}
		1798
		1799	// force "avalanching" of final 127 bits
		1800	hash ^= hash << 3;
		1801	hash += hash >> 5;
		1802	hash ^= hash << 4;
		1803	hash += hash >> 17;
		1804	hash ^= hash << 25;
		1805	hash += hash >> 6;
		1806
		1807	return (hash); // finished, return the hash value
		1808	}
		1809
		1810
		1811	static unsigned long HashFile (const wchar_t *file_pathname)
		1812	{
		1813	// super fast file content pseudo-hash function
		1814
		1815	unsigned short value;
		1816	struct _stat fileinfo;
		1817	FILE *fp;
		1818
		1819	// first, get info about the file
		1820	if (_wstat (file_pathname, &fileinfo) != 0)
		1821	return ((unsigned long) time (NULL)); // if file can't be open, return a random number
		1822
		1823	// open the file
		1824	_wfopen_s (&fp, file_pathname, L"rb");
		1825	if (fp == NULL)
		1826	return ((unsigned long) time (NULL)); // if file can't be open, return a random number
		1827
		1828	// seek at 2/3 of file size (if file is small enough, return only its content)
		1829	if (fileinfo.st_size >= 4)
		1830	{
		1831	fseek (fp, fileinfo.st_size * 2 / 3, SEEK_SET); // seek at 2/3 of file
		1832	fread (&value, 2, 1, fp); // and read a word here
		1833	}
		1834	else if (fileinfo.st_size >= 2)
		1835	fread (&value, 2, 1, fp);
		1836	else if (fileinfo.st_size == 1)
		1837	value = fgetc (fp);
		1838	else
		1839	value = 0;
		1840
		1841	// finished, close the file
		1842	fclose (fp);
		1843
		1844	// and return a hash composed of the 16 lower bits of the file size and the value we read
		1845	return ((unsigned long) (fileinfo.st_size << 16) \| (unsigned long) value);
		1846	}
		1847
		1848
		1849	static void ResolveWildcard (wchar_t file_pathname, wchar_t extensions_separated_by_bars)
		1850	{
		1851	// this function resolves a pathname ending with .* by testing with various possible
		1852	// file extensions until one of the files formed that way is found to exist.
		1853
		1854	static wchar_t extension_list[256]; // needs to be modifiable for strtok()
		1855	wchar_t *current_extension;
		1856	wchar_t *wcstok_context;
		1857	struct _stat fileinfo;
		1858	int length;
		1859
		1860	wcscpy_s (extension_list, WCHAR_SIZEOF (extension_list), extensions_separated_by_bars);
		1861	length = wcslen (file_pathname); // get pathname length
		1862
		1863	// does the pathname we want NOT end with a wildcard ?
		1864	if ((length < 2) \|\| (wcscmp (&file_pathname[length - 2], L".*") != 0))
		1865	return; // no need to resolve anything
		1866
		1867	// test each extension and see if a corresponding file exists
		1868	current_extension = wcstok_s (extension_list, L"\|", &wcstok_context);
		1869	while (current_extension != NULL)
		1870	{
		1871	if (*current_extension == L'.')
		1872	current_extension++; // if current extension starts with a dot, skip it
		1873	wcscpy_s (&file_pathname[length - 1], wcslen (current_extension) + 1, current_extension);
		1874	if (_wstat (file_pathname, &fileinfo) == 0)
		1875	return; // found a file with this extension
		1876	current_extension = wcstok_s (NULL, L"\|", &wcstok_context);
		1877	}
		1878
		1879	wcscpy_s (&file_pathname[length - 1], 2, L"*");
		1880	return; // if none of these extensions match, put the wildcard back and return
		1881	}
		1882
		1883
		1884	static int SortReflectedObjects (const void object1, const void object2)
		1885	{
		1886	// callback function used by qsort() when sorting the reflected objects according to their distance to the viewer
		1887
		1888	return ((int) (1000.0f * (((reflectedobject_t ) object2)->distance - ((reflectedobject_t ) object1)->distance)));
		1889	}

Subversion Repositories Games.Chess Giants

Games.Chess Giants/render.cpp – Rev 6