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
		184	static int initial_width = 0; // initial width of the render surface, in pixels
		185	static int initial_height = 0; // initial height of the render surface, in pixels
		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;
		193	static unsigned long multisample_quality = 0;
		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;
		223	unsigned long best_multisample_type;
		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;
		230	FILE *fp;
		231
		232	// create the Direct3D interface
		233	d3d = Direct3DCreate9 (D3D_SDK_VERSION);
		234
		235	// get hardware capabilities
		236	if (FAILED (d3d->GetDeviceCaps (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &device_capabilities)))
		237	{
		238	MessageBox (NULL, LOCALIZE (L"Error_CouldNotCreateD3DDevGetDeviceCapsFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		239	return (false);
		240	}
		241
		242	// grab info from that and adjust our D3D settings
		243	best_supported_filter = (device_capabilities.RasterCaps & D3DPRASTERCAPS_ANISOTROPY ? D3DTEXF_ANISOTROPIC : D3DTEXF_LINEAR);
		244	behaviour_flags = (device_capabilities.VertexProcessingCaps != 0 ? D3DCREATE_HARDWARE_VERTEXPROCESSING : D3DCREATE_SOFTWARE_VERTEXPROCESSING);
		245
		246	// see if full-scene antialiasing is supported and pick the best available multisample type
		247	best_multisample_type = D3DMULTISAMPLE_NONE;
		248	while (SUCCEEDED (d3d->CheckDeviceMultiSampleType (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, D3DFMT_X8R8G8B8, false, (D3DMULTISAMPLE_TYPE) (best_multisample_type + 1), &multisample_quality)))
		249	{
		250	best_multisample_type++; // increase multisample type as long as the next one is supported
		251	if ((best_multisample_type == D3DMULTISAMPLE_2_SAMPLES) && !options.want_hiquality)
		252	break; // stop searching for the best one if we don't want the highest possible quality
		253	}
		254
		255	memset (&d3dpp, 0, sizeof (d3dpp)); // clear out the struct for use
		256	d3dpp.Windowed = true; // always windowed (because we can't display dialog boxes in fullscreen mode)
		257	d3dpp.BackBufferCount = 1;
		258	d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; // discard old frames
		259	d3dpp.hDeviceWindow = hMainWnd; // set the window to be used by Direct3D
		260	d3dpp.EnableAutoDepthStencil = true; // enable Z-buffer and stencil buffer
		261	d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8; // D3DFMT_D15S1 15 bits should be enough to store each pixel's Z depth
		262	d3dpp.MultiSampleType = (D3DMULTISAMPLE_TYPE) best_multisample_type; // use multisampling (full scene antialiasing) if supported
		263	d3dpp.MultiSampleQuality = (multisample_quality > 0 ? multisample_quality - 1 : 0);
		264
		265	// create a device class using this information and the info from the d3dpp stuct
2	pmbaty	266	if (FAILED (ret = d3d->CreateDevice (D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hMainWnd, behaviour_flags, &d3dpp, &d3ddev)))
1	pmbaty	267	{
		268	MessageBox (NULL, LOCALIZE (L"Error_CouldNotCreateD3DDevCreateDeviceFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
2	pmbaty	269
		270	// on error, write a log file on the user's desktop
		271	errorfile_path[0] = 0;
		272	SHGetSpecialFolderPath (NULL, errorfile_path, CSIDL_DESKTOP, true);
		273	wcscat_s (errorfile_path, WCHAR_SIZEOF (errorfile_path), L"\\Chess Giants error.log");
		274	_wfopen_s (&fp, errorfile_path, L"w, ccs=UNICODE");
		275	if (fp != NULL)
		276	{
		277	fwprintf (fp, L"device_capabilities.DeviceType = %d\n", device_capabilities.DeviceType);
		278	fwprintf (fp, L"device_capabilities.AdapterOrdinal = %ul\n", device_capabilities.AdapterOrdinal);
		279	fwprintf (fp, L"device_capabilities.Caps = %ul\n", device_capabilities.Caps);
		280	fwprintf (fp, L"device_capabilities.Caps2 = %ul\n", device_capabilities.Caps2);
		281	fwprintf (fp, L"device_capabilities.Caps3 = %ul\n", device_capabilities.Caps3);
		282	fwprintf (fp, L"device_capabilities.PresentationIntervals = %ul\n", device_capabilities.PresentationIntervals);
		283	fwprintf (fp, L"device_capabilities.CursorCaps = %ul\n", device_capabilities.CursorCaps);
		284	fwprintf (fp, L"device_capabilities.DevCaps = %ul\n", device_capabilities.DevCaps);
		285	fwprintf (fp, L"device_capabilities.PrimitiveMiscCaps = %ul\n", device_capabilities.PrimitiveMiscCaps);
		286	fwprintf (fp, L"device_capabilities.RasterCaps = %ul\n", device_capabilities.RasterCaps);
		287	fwprintf (fp, L"device_capabilities.ZCmpCaps = %ul\n", device_capabilities.ZCmpCaps);
		288	fwprintf (fp, L"device_capabilities.SrcBlendCaps = %ul\n", device_capabilities.SrcBlendCaps);
		289	fwprintf (fp, L"device_capabilities.DestBlendCaps = %ul\n", device_capabilities.DestBlendCaps);
		290	fwprintf (fp, L"device_capabilities.AlphaCmpCaps = %ul\n", device_capabilities.AlphaCmpCaps);
		291	fwprintf (fp, L"device_capabilities.ShadeCaps = %ul\n", device_capabilities.ShadeCaps);
		292	fwprintf (fp, L"device_capabilities.TextureCaps = %ul\n", device_capabilities.TextureCaps);
		293	fwprintf (fp, L"device_capabilities.TextureFilterCaps = %ul\n", device_capabilities.TextureFilterCaps);
		294	fwprintf (fp, L"device_capabilities.CubeTextureFilterCaps = %ul\n", device_capabilities.CubeTextureFilterCaps);
		295	fwprintf (fp, L"device_capabilities.VolumeTextureFilterCaps = %ul\n", device_capabilities.VolumeTextureFilterCaps);
		296	fwprintf (fp, L"device_capabilities.TextureAddressCaps = %ul\n", device_capabilities.TextureAddressCaps);
		297	fwprintf (fp, L"device_capabilities.VolumeTextureAddressCaps = %ul\n", device_capabilities.VolumeTextureAddressCaps);
		298	fwprintf (fp, L"device_capabilities.LineCaps = %ul\n", device_capabilities.LineCaps);
		299	fwprintf (fp, L"device_capabilities.MaxTextureWidth = %ul\n", device_capabilities.MaxTextureWidth);
		300	fwprintf (fp, L"device_capabilities.MaxTextureHeight = %ul\n", device_capabilities.MaxTextureHeight);
		301	fwprintf (fp, L"device_capabilities.MaxVolumeExtent = %ul\n", device_capabilities.MaxVolumeExtent);
		302	fwprintf (fp, L"device_capabilities.MaxTextureRepeat = %ul\n", device_capabilities.MaxTextureRepeat);
		303	fwprintf (fp, L"device_capabilities.MaxTextureAspectRatio = %ul\n", device_capabilities.MaxTextureAspectRatio);
		304	fwprintf (fp, L"device_capabilities.MaxAnisotropy = %ul\n", device_capabilities.MaxAnisotropy);
		305	fwprintf (fp, L"device_capabilities.MaxVertexW = %f\n", device_capabilities.MaxVertexW);
		306	fwprintf (fp, L"device_capabilities.GuardBandLeft = %f\n", device_capabilities.GuardBandLeft);
		307	fwprintf (fp, L"device_capabilities.GuardBandTop = %f\n", device_capabilities.GuardBandTop);
		308	fwprintf (fp, L"device_capabilities.GuardBandRight = %f\n", device_capabilities.GuardBandRight);
		309	fwprintf (fp, L"device_capabilities.GuardBandBottom = %f\n", device_capabilities.GuardBandBottom);
		310	fwprintf (fp, L"device_capabilities.ExtentsAdjust = %f\n", device_capabilities.ExtentsAdjust);
		311	fwprintf (fp, L"device_capabilities.StencilCaps = %ul\n", device_capabilities.StencilCaps);
		312	fwprintf (fp, L"device_capabilities.FVFCaps = %ul\n", device_capabilities.FVFCaps);
		313	fwprintf (fp, L"device_capabilities.TextureOpCaps = %ul\n", device_capabilities.TextureOpCaps);
		314	fwprintf (fp, L"device_capabilities.MaxTextureBlendStages = %ul\n", device_capabilities.MaxTextureBlendStages);
		315	fwprintf (fp, L"device_capabilities.MaxSimultaneousTextures = %ul\n", device_capabilities.MaxSimultaneousTextures);
		316	fwprintf (fp, L"device_capabilities.VertexProcessingCaps = %ul\n", device_capabilities.VertexProcessingCaps);
		317	fwprintf (fp, L"device_capabilities.MaxActiveLights = %ul\n", device_capabilities.MaxActiveLights);
		318	fwprintf (fp, L"device_capabilities.MaxUserClipPlanes = %ul\n", device_capabilities.MaxUserClipPlanes);
		319	fwprintf (fp, L"device_capabilities.MaxVertexBlendMatrices = %ul\n", device_capabilities.MaxVertexBlendMatrices);
		320	fwprintf (fp, L"device_capabilities.MaxVertexBlendMatrixIndex = %ul\n", device_capabilities.MaxVertexBlendMatrixIndex);
		321	fwprintf (fp, L"device_capabilities.MaxPointSize = %f\n", device_capabilities.MaxPointSize);
		322	fwprintf (fp, L"device_capabilities.MaxPrimitiveCount = %ul\n", device_capabilities.MaxPrimitiveCount);
		323	fwprintf (fp, L"device_capabilities.MaxVertexIndex = %ul\n", device_capabilities.MaxVertexIndex);
		324	fwprintf (fp, L"device_capabilities.MaxStreams = %ul\n", device_capabilities.MaxStreams);
		325	fwprintf (fp, L"device_capabilities.MaxStreamStride = %ul\n", device_capabilities.MaxStreamStride);
		326	fwprintf (fp, L"device_capabilities.VertexShaderVersion = %ul\n", device_capabilities.VertexShaderVersion);
		327	fwprintf (fp, L"device_capabilities.MaxVertexShaderConst = %ul\n", device_capabilities.MaxVertexShaderConst);
		328	fwprintf (fp, L"device_capabilities.PixelShaderVersion = %ul\n", device_capabilities.PixelShaderVersion);
		329	fwprintf (fp, L"device_capabilities.PixelShader1xMaxValue = %f\n", device_capabilities.PixelShader1xMaxValue);
		330	fwprintf (fp, L"device_capabilities.DevCaps2 = %ul\n", device_capabilities.DevCaps2);
		331	fwprintf (fp, L"device_capabilities.MaxNpatchTessellationLevel = %f\n", device_capabilities.MaxNpatchTessellationLevel);
		332	fwprintf (fp, L"device_capabilities.Reserved5 = %ul\n", device_capabilities.Reserved5);
		333	fwprintf (fp, L"device_capabilities.MasterAdapterOrdinal = %ul\n", device_capabilities.MasterAdapterOrdinal);
		334	fwprintf (fp, L"device_capabilities.AdapterOrdinalInGroup = %ul\n", device_capabilities.AdapterOrdinalInGroup);
		335	fwprintf (fp, L"device_capabilities.NumberOfAdaptersInGroup = %ul\n", device_capabilities.NumberOfAdaptersInGroup);
		336	fwprintf (fp, L"device_capabilities.DeclTypes = %ul\n", device_capabilities.DeclTypes);
		337	fwprintf (fp, L"device_capabilities.NumSimultaneousRTs = %ul\n", device_capabilities.NumSimultaneousRTs);
		338	fwprintf (fp, L"device_capabilities.StretchRectFilterCaps = %ul\n", device_capabilities.StretchRectFilterCaps);
		339	fwprintf (fp, L"device_capabilities.VS20Caps.Caps = %ul\n", device_capabilities.VS20Caps.Caps);
		340	fwprintf (fp, L"device_capabilities.VS20Caps.DynamicFlowControlDepth = %d\n", device_capabilities.VS20Caps.DynamicFlowControlDepth);
		341	fwprintf (fp, L"device_capabilities.VS20Caps.NumTemps = %d\n", device_capabilities.VS20Caps.NumTemps);
		342	fwprintf (fp, L"device_capabilities.VS20Caps.StaticFlowControlDepth = %d\n", device_capabilities.VS20Caps.StaticFlowControlDepth);
		343	fwprintf (fp, L"device_capabilities.PS20Caps.Caps = %ul\n", device_capabilities.PS20Caps.Caps);
		344	fwprintf (fp, L"device_capabilities.PS20Caps.DynamicFlowControlDepth = %d\n", device_capabilities.PS20Caps.DynamicFlowControlDepth);
		345	fwprintf (fp, L"device_capabilities.PS20Caps.NumTemps = %d\n", device_capabilities.PS20Caps.NumTemps);
		346	fwprintf (fp, L"device_capabilities.PS20Caps.StaticFlowControlDepth = %d\n", device_capabilities.PS20Caps.StaticFlowControlDepth);
		347	fwprintf (fp, L"device_capabilities.PS20Caps.NumInstructionSlots = %d\n", device_capabilities.PS20Caps.NumInstructionSlots);
		348	fwprintf (fp, L"device_capabilities.VertexTextureFilterCaps = %ul\n", device_capabilities.VertexTextureFilterCaps);
		349	fwprintf (fp, L"device_capabilities.MaxVShaderInstructionsExecuted = %ul\n", device_capabilities.MaxVShaderInstructionsExecuted);
		350	fwprintf (fp, L"device_capabilities.MaxPShaderInstructionsExecuted = %ul\n", device_capabilities.MaxPShaderInstructionsExecuted);
		351	fwprintf (fp, L"device_capabilities.MaxVertexShader30InstructionSlots = %ul\n", device_capabilities.MaxVertexShader30InstructionSlots);
		352	fwprintf (fp, L"device_capabilities.MaxPixelShader30InstructionSlots = %ul\n", device_capabilities.MaxPixelShader30InstructionSlots);
		353	fwprintf (fp, L"========\n");
		354	fwprintf (fp, L"(guessed) behaviour_flags = %ul\n", behaviour_flags);
		355	fwprintf (fp, L"(guessed) d3dpp.MultiSampleType = %d\n", best_multisample_type);
		356	fwprintf (fp, L"(guessed) d3dpp.MultiSampleQuality = %d\n", (multisample_quality > 0 ? multisample_quality - 1 : 0));
		357	fwprintf (fp, L"========\n");
		358	fwprintf (fp, L"d3d->CreateDevice() returned %d\n", (int) ret);
		359	fclose (fp);
		360
		361	MessageBox (NULL, LOCALIZE (L"Error_GameCouldNotStartPleaseSendLogToAuthor"), LOCALIZE (L"Information"), MB_ICONINFORMATION \| MB_OK);
		362	}
		363	else
		364	MessageBox (NULL, LOCALIZE (L"Error_CouldNotWriteToLogFile"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		365
1	pmbaty	366	return (false);
		367	}
		368
		369	// get the device view port and save the initial width and height
		370	GetClientRect (hMainWnd, &rect);
		371	initial_width = rect.right; // they may differ from window width and window height
		372	initial_height = rect.bottom; // because of title bars, menus, borders, etc.
		373
		374	// set the texture parameters
		375	d3ddev->SetSamplerState (0, D3DSAMP_ADDRESSU, D3DTADDRESS_WRAP); // wrap textures around their edges
		376	d3ddev->SetSamplerState (0, D3DSAMP_ADDRESSV, D3DTADDRESS_WRAP);
		377	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE); // and modulate their alpha with the material's alpha
		378	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
		379	d3ddev->SetTextureStageState (0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
		380
		381	// enable the Z buffer
		382	d3ddev->SetRenderState (D3DRS_ZENABLE, true);
		383
		384	// disable the stencil buffer
		385	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false);
		386
		387	// normalize the face normals (if we don't, scaling will cause problems with lighting computations)
		388	d3ddev->SetRenderState (D3DRS_NORMALIZENORMALS, true);
		389
		390	// turn on alpha blending
		391	d3ddev->SetRenderState (D3DRS_ALPHABLENDENABLE, true);
		392	d3ddev->SetRenderState (D3DRS_BLENDOP, D3DBLENDOP_ADD);
		393	d3ddev->SetRenderState (D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
		394	d3ddev->SetRenderState (D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
		395
		396	// use all of the materials' light reflection properties
		397	d3ddev->SetRenderState (D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_MATERIAL);
		398	d3ddev->SetRenderState (D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_MATERIAL);
		399	d3ddev->SetRenderState (D3DRS_SPECULARMATERIALSOURCE, D3DMCS_MATERIAL);
		400	d3ddev->SetRenderState (D3DRS_EMISSIVEMATERIALSOURCE, D3DMCS_MATERIAL);
		401	d3ddev->SetRenderState (D3DRS_COLORVERTEX, false);
		402
		403	// enable 3D lighting
		404	d3ddev->SetRenderState (D3DRS_LIGHTING, true);
		405
		406	// open and parse the materials file and build the materials list
		407	materials = NULL;
		408	material_count = 0;
		409	_wfopen_s (&fp, L"materials.cfg", L"r, ccs=UNICODE");
		410	if (fp != NULL)
		411	{
		412	// read line per line...
		413	while (fgetws (line_buffer, WCHAR_SIZEOF (line_buffer), fp) != NULL)
		414	{
		415	// can we read a complete material line ?
		416	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)
		417	{
		418	materials = (material_t *) SAFE_realloc (materials, material_count, material_count + 1, sizeof (material_t), false);
		419	memcpy (&materials[material_count], &material, sizeof (material_t));
		420	material_count++; // if so, append this new material to the materials array
		421	}
		422	}
		423	fclose (fp); // finished, close the file
		424	}
		425	materials = (material_t *) SAFE_realloc (materials, material_count, material_count + 1, sizeof (material_t), false);
		426	wcscpy_s (materials[material_count].name, WCHAR_SIZEOF (materials[material_count].name), default_materialname);
		427	materials[material_count].ambient = 1.0f;
		428	materials[material_count].diffuse = 1.0f;
		429	materials[material_count].emissive = 0.0f;
		430	materials[material_count].specular = 0.0f;
		431	materials[material_count].shininess = 0.0f;
		432	materials[material_count].transparency = 1.0f;
		433	material_count++; // append a default material at the end of the array and we're all set
		434
		435	return (true); // finished
		436	}
		437
		438
		439	void Render_Shutdown (void)
		440	{
		441	// this function shuts down the Direct3D interfaces and releases the Direct3D COM objects
		442
		443	int array_index;
		444
		445	// close and release font data
		446	SAFE_free ((void **) &fonts);
		447	font_count = 0;
		448
		449	// close and release sprite data
		450	SAFE_free ((void **) &sprites);
		451	sprite_count = 0;
		452
		453	// close and release meshes data
		454	if (meshes != NULL)
		455	{
		456	for (array_index = 0; array_index < mesh_count; array_index++)
		457	{
		458	if (meshes[array_index].d3dindices != NULL)
		459	meshes[array_index].d3dindices->Release ();
		460	meshes[array_index].d3dindices = NULL;
		461
		462	if (meshes[array_index].d3dvertices != NULL)
		463	meshes[array_index].d3dvertices->Release ();
		464	meshes[array_index].d3dvertices = NULL;
		465	}
		466	}
		467	meshes = NULL;
		468	mesh_count = 0;
		469
		470	// close and release texture data
		471	if (textures != NULL)
		472	{
		473	for (array_index = 0; array_index < texture_count; array_index++)
		474	if (textures[array_index].texture != NULL)
		475	textures[array_index].texture->Release ();
		476	SAFE_free ((void **) &textures);
		477	}
		478	texture_count = 0;
		479
		480	// close and release materials data
		481	SAFE_free ((void **) &materials);
		482	material_count = 0;
		483
		484	// close and release the 3D device
		485	if (d3ddev != NULL)
		486	d3ddev->Release ();
		487	d3ddev = NULL;
		488
		489	// close and release Direct3D
		490	if (d3d != NULL)
		491	d3d->Release ();
		492	d3d = NULL;
		493
		494	return; // finished
		495	}
		496
		497
		498	void Render_RenderFrame (scene_t *scene)
		499	{
		500	// this is the function used to render a single frame
		501
		502	static int framerate_value = 0;
		503	static int framerate_count = 0;
		504	static float framerate_time = 0;
		505
		506	D3DXMATRIX scaling_matrix;
		507	D3DXMATRIX translation_matrix;
		508	D3DXMATRIX view_matrix; // the view transform matrix
		509	D3DXMATRIX projection_matrix; // the projection transform matrix
		510	D3DLIGHT9 dxlight;
		511	RECT rect;
		512	float angle;
		513	float sin_pitch;
		514	float sin_yaw;
		515	float cos_pitch;
		516	float cos_yaw;
		517	int light_index;
		518	int object_index;
		519	int cchistory_index;
		520	int cchistory_index2;
		521	int combined_width;
		522	int combined_height;
		523	light_t *light;
		524	ccreply_t *ccreply;
		525	sceneobject_t *sceneobject;
		526	reflectedobject_t *reflectedobjects; // mallocated
		527	int reflectedobject_count;
		528	reflectedobject_t *otherobjects; // mallocated
		529	int otherobject_count;
		530
		531	// get the device view port and save the actual width and height
		532	GetClientRect (hMainWnd, &rect);
		533	current_width = (float) rect.right; // they may differ from window width and window height
		534	current_height = (float) rect.bottom; // because of title bars, menus, borders, etc.
		535
		536	// clear the back buffer, the Z buffer and the stencil buffer
		537	d3ddev->Clear (0, NULL, D3DCLEAR_TARGET \| D3DCLEAR_ZBUFFER \| D3DCLEAR_STENCIL, D3DCOLOR_XRGB (0, 0, 0), 1.0f, 0);
		538	d3ddev->BeginScene (); // begins the 3D scene
		539
		540	////////////////////////////////////////
		541	// Setup scene lights
		542
		543	// There are three types of light : ambient, diffuse and specular.
		544	// Diffuse lights can be of type directional (sun), point (bulb) or spot (flashlight).
		545
		546	// The attenuation formula for point lights is :
		547	// Atten = 1 / (att0 + (att1 * d) + (att2 * d�))
		548
		549	// In spot lights, Phi is the outer cone angle. Theta is the inner cone angle.
		550
		551	// set the default lighting color
		552	ambient_light = RGBACOLOR_TO_ARGBCOLOR (RGBACOLOR_FULLALPHA (theme->illum.ambient_light));
		553	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		554
		555	// for each light...
		556	for (light_index = 0; light_index < theme->illum.light_count; light_index++)
		557	{
		558	light = &theme->illum.lights[light_index]; // quick access to light
		559
		560	memset (&dxlight, 0, sizeof (dxlight)); // clear out the dxlight struct for use
		561
		562	// set its type
		563	if (light->type == LIGHT_DIRECTIONAL)
		564	dxlight.Type = D3DLIGHT_DIRECTIONAL; // directional light (e.g, sun)
		565	else if (light->type == LIGHT_POINT)
		566	dxlight.Type = D3DLIGHT_POINT; // point light (e.g, light bulb)
		567	else if (light->type == LIGHT_SPOT)
		568	dxlight.Type = D3DLIGHT_SPOT; // spot light (e.g, flash light)
		569	else
		570	{
		571	d3ddev->LightEnable (light_index, false); // unknown light ; turn off light #index
		572	continue; // and proceed to the next one
		573	}
		574
		575	// set its parameters
		576	dxlight.Diffuse = D3DXCOLOR (RGBACOLOR_TO_ARGBCOLOR (RGBACOLOR_FULLALPHA (light->color)));
		577	dxlight.Specular = D3DXCOLOR (0xffffffff);
		578	dxlight.Position.x = light->pos_x;
		579	dxlight.Position.y = light->pos_y;
		580	dxlight.Position.z = light->pos_z;
		581	dxlight.Direction.x = light->direction_x;
		582	dxlight.Direction.y = light->direction_y;
		583	dxlight.Direction.z = light->direction_z;
		584	dxlight.Range = light->range; // light won't be computed after this distance
		585	dxlight.Attenuation0 = light->attenuation_constant; // constant attenuation, see formula
		586	dxlight.Attenuation1 = light->attenuation_proportional; // proportional attenuation, see formula
		587	dxlight.Attenuation2 = light->attenuation_square; // square attenuation, see formula
		588	dxlight.Phi = light->cone_outer * TO_RADIANS; // outer spot cone
		589	dxlight.Theta = light->cone_inner * TO_RADIANS; // inner spot cone
		590
		591	d3ddev->SetLight (light_index, &dxlight); // send the light struct properties to light #index
		592	d3ddev->LightEnable (light_index, true); // turn on light #index
		593	}
		594
		595	////////////////////////////////
		596	// View transform
		597
		598	// compute the sine and cosine of the pitch component
		599	angle = current_pitch * TO_RADIANS;
		600	sin_pitch = sinf (angle);
		601	cos_pitch = cosf (angle);
		602
		603	// compute the sine and cosine of the yaw component
		604	angle = current_yaw * TO_RADIANS;
		605	sin_yaw = sinf (angle);
		606	cos_yaw = cosf (angle);
		607
		608	// build the camera position
		609	camera_position.x = (float) -(cos_pitch * cos_yaw) * current_distance;
		610	camera_position.y = (float) -(cos_pitch * sin_yaw) * current_distance;
		611	camera_position.z = (float) sin_pitch * current_distance;
		612
		613	// set up a view matrix
		614	D3DXMatrixLookAtLH (&view_matrix,
		615	(D3DXVECTOR3 *) &camera_position, // camera position
		616	(D3DXVECTOR3 *) &scene_center, // look-at position
		617	(D3DXVECTOR3 *) &upwards_direction); // up direction
		618
		619	// tell Direct3D about our matrix
		620	d3ddev->SetTransform (D3DTS_VIEW, &view_matrix);
		621
		622	/////////////////////////////////////
		623	// Projection transform
		624
		625	// set up a projection matrix
		626	D3DXMatrixPerspectiveFovLH (&projection_matrix,
		627	fov_value * TO_RADIANS, // field of view width
		628	current_width / current_height, // aspect ratio
		629	viewdist_near, viewdist_far); // view plane distances
		630
		631	// tell Direct3D about our matrix
		632	d3ddev->SetTransform (D3DTS_PROJECTION, &projection_matrix);
		633
		634	/////////////////////////////////////
		635	// End of the transforms
		636
		637	// if we want it, enable specular lighting
		638	d3ddev->SetRenderState (D3DRS_SPECULARENABLE, options.want_specularlighting);
		639
		640	// turn on texture filtering if needed
		641	if (options.want_filtering)
		642	{
		643	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, best_supported_filter);
		644	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, best_supported_filter);
		645	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
		646
		647	// turn on fullscene antialiasing only if capable
		648	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, (multisample_quality > 0));
		649	}
		650	else
		651	{
		652	d3ddev->SetSamplerState (0, D3DSAMP_MINFILTER, D3DTEXF_NONE);
		653	d3ddev->SetSamplerState (0, D3DSAMP_MAGFILTER, D3DTEXF_NONE);
		654	d3ddev->SetSamplerState (0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
		655
		656	// turn off fullscene antialiasing
		657	d3ddev->SetRenderState (D3DRS_MULTISAMPLEANTIALIAS, false);
		658	}
		659
		660	/////////////////////////////////////////////////////////////
		661	// draw the background elements. No need for a Z buffer here.
		662
		663	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable depth testing
		664
		665	// draw the background sprite, if any
		666	if (scene->background_spriteindex >= 0)
		667	Render_DrawSprite (&sprites[scene->background_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0xFF);
		668
		669	// draw the table border
		670	Render_DrawSceneObject (&scene->objects[0]);
		671	Render_DrawSceneObject (&scene->objects[1]);
		672
		673	// draw the table and build the stencil buffer at the same time
		674	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer (i.e. the "frame" for drawing table reflections)
		675	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_ALWAYS); // instruct how to fill it
		676	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_INCRSAT); // instruct how to fill it
		677	Render_DrawSceneObject (&scene->objects[2]); // draw the table squares in the stencil buffer
		678	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // finished drawing the stencil buffer
		679
		680	d3ddev->SetRenderState (D3DRS_ZENABLE, true); // re-enable depth testing
		681
		682	////////////////////////////////////////////////////////////
		683	// draw the scene objects and their reflections on the table
		684
		685	// start with the reflections if we want them, and if the table does it
		686	if (options.want_reflections && (theme->reflection_alpha > 0))
		687	{
		688	// build an array of reflected objects with their distances
		689	reflectedobjects = NULL;
		690	reflectedobject_count = 0;
		691	otherobjects = NULL;
		692	otherobject_count = 0;
		693
		694	// cycle through all parts and see which ones need to be reflected
		695	for (object_index = 3; object_index < scene->object_count; object_index++)
		696	{
		697	sceneobject = &scene->objects[object_index]; // quick access to scene object
		698
		699	// is this object a mesh AND it's above the ground ?
		700	if ((sceneobject->mesh_index != -1) && (sceneobject->z > 0))
		701	{
		702	// yes it is. It thus needs to be reflected, so add it to the list
		703	reflectedobjects = (reflectedobject_t *) SAFE_realloc (reflectedobjects, reflectedobject_count, reflectedobject_count + 1, sizeof (reflectedobject_t), false);
		704	reflectedobjects[reflectedobject_count].object = sceneobject; // save scene object
		705	reflectedobjects[reflectedobject_count].distance = DistanceToCamera (sceneobject->x, sceneobject->y, sceneobject->z);
		706	reflectedobject_count++; // we have now one object more to reflect
		707	}
		708	else
		709	{
		710	// no it's not. It doesn't need to be reflected, so add it to the other list
		711	otherobjects = (reflectedobject_t *) SAFE_realloc (otherobjects, otherobject_count, otherobject_count + 1, sizeof (reflectedobject_t), false);
		712	otherobjects[otherobject_count].object = sceneobject; // save scene object
		713	otherobjects[otherobject_count].distance = 0;
		714	otherobject_count++; // we have now one object more to reflect
		715	}
		716	}
		717
		718	// now sort them from farthest to closest and draw them in this order
		719	qsort (reflectedobjects, reflectedobject_count, sizeof (reflectedobject_t), SortReflectedObjects);
		720	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		721	Render_DrawSceneObjectReflection (reflectedobjects[object_index].object); // draw the reflection
		722	for (object_index = 0; object_index < reflectedobject_count; object_index++)
		723	Render_DrawSceneObject (reflectedobjects[object_index].object); // and draw the objects afterwards
		724	for (object_index = 0; object_index < otherobject_count; object_index++)
		725	Render_DrawSceneObject (otherobjects[object_index].object); // finally, draw the non-reflected objects
		726
		727	SAFE_free ((void **) &reflectedobjects); // and free the reflected objects array
		728	SAFE_free ((void **) &otherobjects); // and the non-reflected objects array
		729	}
		730	else
		731	for (object_index = 3; object_index < scene->object_count; object_index++)
		732	Render_DrawSceneObject (&scene->objects[object_index]); // else if no reflections, draw the objects, the Z-buffer will sort them
		733
		734	// draw the overlay texture if required
		735	if (scene->overlay_spriteindex >= 0)
		736	Render_DrawSprite (&sprites[scene->overlay_spriteindex], 0.0f, 0.0f, 100.0f, 100.0f, 0x4F);
		737
		738	///////////////
		739	// draw the GUI
		740
		741	// draw the arrows
		742	DRAW_BUTTON_IF_NEEDED (scene->gui.larrow); // left arrow
		743	DRAW_BUTTON_IF_NEEDED (scene->gui.rarrow); // right arrow
		744	DRAW_TEXT_IF_NEEDED (scene->gui.arrow_text); // arrow text
		745
		746	if (want_framerate)
		747	Render_wprintf (initial_width - 10, 10, 62, ALIGN_RIGHT, ALIGN_TOP, ALIGN_CENTER, arrow_fontindex, D3DCOLOR_RGBA (255, 255, 255, 255), NULL,
		748	L"%d textures\n"
		749	L"%d meshes\n"
		750	L"%d fonts\n"
		751	L"%d sprites\n"
		752	L"%d fps", texture_count, mesh_count, font_count, sprite_count, framerate_value);
		753
		754	// draw the other GUI buttons
		755	DRAW_BUTTON_IF_NEEDED (scene->gui.chatbutton); // chat button
		756	DRAW_BUTTON_IF_NEEDED (scene->gui.gamesbutton); // games button
		757	DRAW_BUTTON_IF_NEEDED (scene->gui.peoplebutton); // people button
		758
		759	// does the parts pick line need to be displayed ?
		760	if (scene->gui.is_partspick_displayed)
		761	{
		762	#define PARTSIZE_PCT (100.0f / 13.0f)
		763
		764	if (scene->gui.partspick_selectedpart == 'P') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 0.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		765	else if (scene->gui.partspick_selectedpart == 'R') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 1.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		766	else if (scene->gui.partspick_selectedpart == 'N') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 2.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		767	else if (scene->gui.partspick_selectedpart == 'B') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 3.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		768	else if (scene->gui.partspick_selectedpart == 'Q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 4.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		769	else if (scene->gui.partspick_selectedpart == 'K') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 5.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		770	else if (scene->gui.partspick_selectedpart == ' ') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 6.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		771	else if (scene->gui.partspick_selectedpart == 'k') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 7.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		772	else if (scene->gui.partspick_selectedpart == 'q') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 8.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		773	else if (scene->gui.partspick_selectedpart == 'b') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 9.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		774	else if (scene->gui.partspick_selectedpart == 'n') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 10.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		775	else if (scene->gui.partspick_selectedpart == 'r') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 11.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		776	else if (scene->gui.partspick_selectedpart == 'p') Render_DrawSprite (&sprites[theme->lastmovetarget_spriteindex], 12.0f * PARTSIZE_PCT, 0.0f, PARTSIZE_PCT, 11.0f, 0xFF);
		777
		778	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
		779	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
		780	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
		781	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
		782	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
		783	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
		784	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
		785	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
		786	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
		787	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
		788	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
		789	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
		790	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
		791
		792	#undef PARTSIZE_PCT
		793	}
		794
		795	// draw GUI texts
		796	DRAW_TEXT_IF_NEEDED (scene->gui.comment_text); // move comments
		797	DRAW_TEXT_IF_NEEDED (scene->gui.history_text); // game history
		798	DRAW_TEXT_IF_NEEDED (scene->gui.clock_text); // game clock
		799
		800	// draw the chatter channels text
		801	Render_GetTextBoundaries (-1, chat_fontindex, L"a", &rect);
		802	combined_height = rect.bottom; // get a string's height
		803
		804	// cycle through all the chat strings...
		805	ccreply = NULL;
		806	for (cchistory_index = 0; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		807	{
		808	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		809	if ((ccreply->text[0] != 0) && (ccreply->arrival_time + 60.0f > current_time))
		810	break; // break at the first one that we should display
		811	}
		812
		813	// have we some to display ?
		814	if (cchistory_index < scene->gui.cchistory_count)
		815	{
		816	// first, get the remaining text's combined height
		817	for (cchistory_index2 = cchistory_index; cchistory_index2 < scene->gui.cchistory_count; cchistory_index2++)
		818	{
		819	ccreply = &scene->gui.cchistory[cchistory_index2]; // quick access to CC reply
		820
		821	combined_width = 10;
		822	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, L"[] : ", &rect);
		823	combined_width += rect.right;
		824	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->channelname, &rect);
		825	combined_width += rect.right;
		826	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->nickname, &rect);
		827	combined_width += rect.right;
		828	Render_GetTextBoundaries (initial_width - combined_width, chat_fontindex, ccreply->text, &rect);
		829	combined_height += rect.bottom; // add this string's height
		830	}
		831
		832	// now for each string remaining...
		833	for (; cchistory_index < scene->gui.cchistory_count; cchistory_index++)
		834	{
		835	ccreply = &scene->gui.cchistory[cchistory_index]; // quick access to CC reply
		836	rect.right = 10;
		837	PRINT_CCREPLY (ccreply); // print CC reply on screen
		838	combined_height -= (rect.bottom - rect.top); // draw it from top of zone to bottom
		839	}
		840	}
		841
		842	// are we online ?
		843	if (Player_FindByType (PLAYER_INTERNET) != NULL)
		844	{
		845	ccreply = &scene->gui.entered_ccreply;
		846	if (!scene->gui.is_entering_text)
		847	ccreply->color = RGBACOLOR_SETALPHA (ccreply->color, RGBACOLOR_ALPHA (ccreply->color) / 6); // if there's no text being entered, fade CC reply a lot
		848
		849	rect.right = 10;
		850	PRINT_CCREPLY (ccreply); // print CC reply on screen
		851	}
		852
		853	// print GUI texts
		854	DRAW_TEXT_IF_NEEDED (scene->gui.turn_text); // player turn's text
		855	DRAW_TEXT_IF_NEEDED (scene->gui.central_text); // central notification zone text
		856
		857	// if needed, print the spinning wheel
		858	if (scene->gui.want_spinwheel)
		859	Render_DrawSprite (&sprites[spinner_spriteindex[(int) (10.0f * current_time) % 12]], 47.0f, 46.0f, 6.0f, 8.0f, 255);
		860
		861	// are we in demo mode ? if so, display the program name as a watermark
		862	#ifdef DEMO
		863	Render_wprintf (initial_width / 2, initial_height * 2 / 3, -1, ALIGN_CENTER, ALIGN_CENTER, ALIGN_CENTER, chat_fontindex,
		864	D3DCOLOR_RGBA (255, 255, 255, 191),
		865	NULL, PROGRAM_NAME L" - " PROGRAM_URL L"\n- %d:%02d -", (int) (DEMO_TIMEOUT - current_time) / 60, (int) (DEMO_TIMEOUT - current_time) % 60);
		866	#endif // DEMO
		867
		868	// end 3D rendering on the back buffer
		869	//////////////////////////////////////
		870
		871	d3ddev->EndScene (); // ends the 3D scene
		872	d3ddev->Present (NULL, NULL, NULL, NULL); // displays the created frame on the screen
		873
		874	// update the frame rate
		875	if (framerate_time < current_time)
		876	{
		877	framerate_value = framerate_count;
		878	framerate_count = 0;
		879	framerate_time = current_time + 1.0f;
		880	}
		881	framerate_count++; // one frame more elapsed
		882
		883	return; // finished
		884	}
		885
		886
		887	int Render_LoadMesh (const wchar_t *fmt, ...)
		888	{
		889	// this function appends a new mesh in the global meshes buffer and returns its index
		890
		891	static wchar_t meshfile_pathname[MAX_PATH];
		892	unsigned long hash;
		893	mesh_t *mesh;
		894	int mesh_index;
		895	va_list argptr;
		896
		897	// concatenate all the arguments in one string
		898	va_start (argptr, fmt);
		899	wvsprintf (meshfile_pathname, fmt, argptr);
		900	va_end (argptr);
		901
		902	// resolve wildcards and get content hash
		903	ResolveWildcard (meshfile_pathname, L".obj");
		904	hash = HashFile (meshfile_pathname);
		905
		906	// now cycle through all our loaded meshes and see if it's already loaded
		907	for (mesh_index = 0; mesh_index < mesh_count; mesh_index++)
		908	if (meshes[mesh_index].hash == hash)
		909	return (mesh_index); // if we can find it, return its index so as not to load it twice
		910
		911	// reallocate space to hold one mesh more
		912	meshes = (mesh_t *) SAFE_realloc (meshes, mesh_count, mesh_count + 1, sizeof (mesh_t), false);
		913	mesh = &meshes[mesh_count]; // quick access to the mesh we'll be working on
		914
		915	// load the mesh
		916	if (!Render_LoadMesh_Obj (mesh, meshfile_pathname))
		917	{
		918	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddMeshD3DXLoadMeshFromXFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		919	return (-1); // bomb out on error
		920	}
		921
		922	mesh->hash = hash; // save the hash
		923	mesh_count++; // we know now one mesh more
		924	return (mesh_count - 1); // return its index
		925	}
		926
		927
		928	int Render_LoadTexture (const wchar_t *fmt, ...)
		929	{
		930	// this function appends a new texture in the global textures buffer and returns its index
		931
		932	D3DSURFACE_DESC texture_description;
		933	wchar_t texturefile_pathname[MAX_PATH];
		934	static wchar_t *filename;
		935	unsigned long hash;
		936	int texture_index;
		937	va_list argptr;
		938
		939	// concatenate all the arguments in one string
		940	va_start (argptr, fmt);
		941	wvsprintf (texturefile_pathname, fmt, argptr);
		942	va_end (argptr);
		943
		944	// resolve wildcards and get content hash
		945	ResolveWildcard (texturefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		946	hash = HashFile (texturefile_pathname);
		947
		948	// now cycle through all our loaded textures and see if it's already loaded
		949	for (texture_index = 0; texture_index < texture_count; texture_index++)
		950	if (textures[texture_index].hash == hash)
		951	return (texture_index); // if we can find it, return its index so as not to load it twice
		952
		953	// reallocate space to hold one texture more
		954	textures = (texture_t *) SAFE_realloc (textures, texture_count, texture_count + 1, sizeof (texture_t), false);
		955
		956	// ask Direct3D to prepare texture data
		957	if (FAILED (D3DXCreateTextureFromFile (d3ddev, texturefile_pathname, &textures[texture_count].texture)))
		958	{
		959	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddTextureD3DXCreateTextureFromFileFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		960	return (-1); // bomb out on error
		961	}
		962
		963	// get info on the newly loaded texture such as size etc.
		964	textures[texture_count].texture->GetLevelDesc (0, &texture_description);
		965	textures[texture_count].width = texture_description.Width; // save texture width (as loaded)
		966	textures[texture_count].height = texture_description.Height; // save texture height (as loaded)
		967	textures[texture_count].hash = hash; // save its hash
		968	texture_count++; // we know now one texture more
		969	return (texture_count - 1); // return its index
		970	}
		971
		972
		973	int Render_LoadFont (const wchar_t *font_name, int font_size, bool is_bold, bool is_italic)
		974	{
		975	// this function appends a new font in the global fonts buffer and returns its index
		976
		977	unsigned long pathname_hash;
		978	int font_index;
		979
		980	// first, get the hash of the requested pathname (include font size and weight parameters)
		981	pathname_hash = HashString (font_name);
		982	pathname_hash += 3 * (unsigned long) font_size + 2 * (unsigned long) is_bold + (unsigned long) is_italic;
		983
		984	// now cycle through all our loaded fonts and see if it's already loaded
		985	for (font_index = 0; font_index < font_count; font_index++)
		986	if (fonts[font_index].pathname_hash == pathname_hash)
		987	return (font_index); // if we can find it, return its index so as not to load it twice
		988
		989	// reallocate space to hold one font more
		990	fonts = (font_t *) SAFE_realloc (fonts, font_count, font_count + 1, sizeof (font_t), false);
		991
		992	// create a Direct3D font object and record font data
		993	if (FAILED (D3DXCreateFont (d3ddev, font_size, // font height
		994	0, // font width
		995	(is_bold ? FW_BOLD : FW_NORMAL), // font weight (bold, etc)
		996	0, // miplevels
		997	is_italic, // is italic
		998	DEFAULT_CHARSET, // charset
		999	OUT_DEFAULT_PRECIS, // precision
		1000	CLEARTYPE_QUALITY, // font quality (antialiased or not)
		1001	DEFAULT_PITCH \| FF_DONTCARE, // font family
		1002	font_name, // font name
		1003	&fonts[font_count].font))) // and a pointer that will receive the font
		1004	{
		1005	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddFontD3DXCreateFontFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		1006	return (-1); // bomb out on error
		1007	}
		1008
		1009	fonts[font_count].pathname_hash = pathname_hash; // save its hash
		1010	font_count++; // we know now one font more
		1011	return (font_count - 1); // return its index
		1012	}
		1013
		1014
		1015	int Render_LoadSprite (const wchar_t *fmt, ...)
		1016	{
		1017	// this function appends a new sprite in the global sprites buffer and returns its index
		1018
		1019	wchar_t spritefile_pathname[MAX_PATH];
		1020	unsigned long hash;
		1021	int sprite_index;
		1022	va_list argptr;
		1023
		1024	// concatenate all the arguments in one string
		1025	va_start (argptr, fmt);
		1026	wvsprintf (spritefile_pathname, fmt, argptr);
		1027	va_end (argptr);
		1028
		1029	// resolve wildcards and get content hash
		1030	ResolveWildcard (spritefile_pathname, L".dds\|.jpg\|.jpeg\|.png\|.tga\|.bmp");
		1031	hash = HashFile (spritefile_pathname);
		1032
		1033	// now cycle through all our loaded sprites and see if it's already loaded
		1034	for (sprite_index = 0; sprite_index < sprite_count; sprite_index++)
		1035	if (sprites[sprite_index].hash == hash)
		1036	return (sprite_index); // if we can find it, return its index so as not to load it twice
		1037
		1038	// reallocate space to hold one sprite more
		1039	sprites = (sprite_t *) SAFE_realloc (sprites, sprite_count, sprite_count + 1, sizeof (sprite_t), false);
		1040
		1041	// ask Direct3D to prepare texture data
		1042	if (FAILED (D3DXCreateSprite (d3ddev, &sprites[sprite_count].sprite)))
		1043	{
		1044	MessageBox (NULL, LOCALIZE (L"Error_UnableToAddSpriteD3DXCreateSpriteFailed"), LOCALIZE (L"FatalError"), MB_ICONERROR \| MB_OK);
		1045	return (-1); // bomb out on error
		1046	}
		1047	sprites[sprite_count].texture_index = Render_LoadTexture (spritefile_pathname); // register and save sprite texture
		1048	sprites[sprite_count].hash = hash; // save its hash
		1049
		1050	sprite_count++; // we know now one sprite more
		1051	return (sprite_count - 1); // return its index
		1052	}
		1053
		1054
		1055	int Render_MaterialIndexOf (const wchar_t *material_name)
		1056	{
		1057	// this function returns the index of the material in the global materials array which has the specified name
		1058
		1059	int material_index;
		1060
		1061	// cycle through all materials and look whether one with the specified name exists
		1062	for (material_index = 0; material_index < material_count; material_index++)
		1063	if (_wcsicmp (materials[material_index].name, material_name) == 0)
		1064	return (material_index); // if we find one, return its index
		1065
		1066	return (material_count - 1); // else return the index of the last material in list, which is the default material
		1067	}
		1068
		1069
		1070	void Render_MouseToFloor (short mouse_x, short mouse_y, float floor_x, float floor_y)
		1071	{
		1072	// this function converts a mouse coordinates into floor coordinates by doing vector
		1073	// projection on the floor plane from the eyepoint of the camera
		1074
		1075	static D3DXPLANE floor_plane;
		1076	static bool is_planefound = false;
		1077
		1078	D3DXMATRIX projection_matrix;
		1079	D3DXMATRIX view_matrix;
		1080	D3DXMATRIX invertedview_matrix;
		1081	float mouse_pitch;
		1082	float mouse_yaw;
		1083	vector_t v_lookat;
		1084	vector_t v_intersection;
		1085
		1086	// find the floor plane (only do it once)
		1087	if (!is_planefound)
		1088	{
		1089	D3DXPlaneFromPointNormal (&floor_plane, (D3DXVECTOR3 ) &scene_center, (D3DXVECTOR3 ) &upwards_direction);
		1090	is_planefound = true; // once and for all, as this plane will never change
		1091	}
		1092
		1093	// get the current projection and view matrices, and invert the view matrix
		1094	d3ddev->GetTransform (D3DTS_PROJECTION, &projection_matrix);
		1095	d3ddev->GetTransform (D3DTS_VIEW, &view_matrix);
		1096	D3DXMatrixInverse (&invertedview_matrix, NULL, &view_matrix);
		1097
		1098	// convert the mouse coordinates to relative pitch and yaw
		1099	mouse_pitch = (((mouse_x * 2.0f) / current_width) - 1) / projection_matrix._11;
		1100	mouse_yaw = -(((mouse_y * 2.0f) / current_height) - 1) / projection_matrix._22;
		1101
		1102	// now build a matrix that will describe the mouse direction vector, add it to the camera position, and make it 200 times longer
		1103	v_lookat.x = camera_position.x + (mouse_pitch * invertedview_matrix._11 + mouse_yaw * invertedview_matrix._21 + invertedview_matrix._31) * 200.0f;
		1104	v_lookat.y = camera_position.y + (mouse_pitch * invertedview_matrix._12 + mouse_yaw * invertedview_matrix._22 + invertedview_matrix._32) * 200.0f;
		1105	v_lookat.z = camera_position.z + (mouse_pitch * invertedview_matrix._13 + mouse_yaw * invertedview_matrix._23 + invertedview_matrix._33) * 200.0f;
		1106
		1107	// and the intersection point with our ray
		1108	D3DXPlaneIntersectLine ((D3DXVECTOR3 ) &v_intersection, &floor_plane, (D3DXVECTOR3 ) &camera_position, (D3DXVECTOR3 *) &v_lookat);
		1109
		1110	// now fill the return values
		1111	*floor_x = v_intersection.x;
		1112	*floor_y = v_intersection.y;
		1113
		1114	return; // finished
		1115	}
		1116
		1117
		1118	bool Render_IsMouseInBox (short mouse_x, short mouse_y, float x_percent, float y_percent, float width_percent, float height_percent)
		1119	{
		1120	// helper function that returns whether the mouse coordinates are inside a given square
		1121
		1122	float mousex_percent;
		1123	float mousey_percent;
		1124
		1125	// compute mouse coordinates in percents
		1126	mousex_percent = (float) (mouse_x * 100) / current_width;
		1127	mousey_percent = (float) (mouse_y * 100) / current_height;
		1128
		1129	return ((mousex_percent >= x_percent) && (mousex_percent <= x_percent + width_percent)
		1130	&& (mousey_percent >= y_percent) && (mousey_percent <= y_percent + height_percent));
		1131	}
		1132
		1133
		1134	static bool Render_LoadMesh_Obj (mesh_t mesh, const wchar_t objfile_pathname)
		1135	{
		1136	// this function loads a mesh from a Wavefront Object file (.obj)
		1137
		1138	#define OBJ_INCREASE_OR_RESIZE(count,maxcount,increment,arrayptr,type,erase) { \
		1139	(count)++; \
		1140	if ((count) == (maxcount)) \
		1141	{ \
		1142	(arrayptr) = (type *) SAFE_realloc ((arrayptr), (maxcount), (maxcount) + (increment), sizeof (type), erase); \
		1143	(maxcount) += (increment); \
		1144	} \
		1145	}
		1146	#define OBJ_CONVERT_INDEX(element,current_element_count) if ((element) < 0) (element) = (current_element_count) + (element); else (element)--;
		1147	#define OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX(uniquevertex) \
		1148	{ \
		1149	hash = &hashtable[((unsigned long ) &obj.vs[(uniquevertex).iv].x) & 0xFF]; \
		1150	for (vertex_index = 0; vertex_index < hash->count; vertex_index++) \
		1151	if ((memcmp (&vertices[hash->indices[vertex_index]].position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)) == 0) \
		1152	&& (memcmp (&vertices[hash->indices[vertex_index]].normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)) == 0) \
		1153	&& (memcmp (&vertices[hash->indices[vertex_index]].texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)) == 0)) \
		1154	break; \
		1155	if (vertex_index == hash->count) \
		1156	{ \
		1157	vertex_index = mesh->vertice_count; \
		1158	current_vertex = &vertices[vertex_index]; \
		1159	memset (current_vertex, 0, sizeof (vertex_t)); \
		1160	memcpy (&current_vertex->position, &obj.vs[(uniquevertex).iv], sizeof (vector_t)); \
		1161	if ((uniquevertex).in > -1) \
		1162	memcpy (&current_vertex->normal, &obj.ns[(uniquevertex).in], sizeof (vector_t)); \
		1163	if ((uniquevertex).itc > -1) \
		1164	memcpy (&current_vertex->texcoord, &obj.tcs[(uniquevertex).itc], sizeof (texcoord_t)); \
		1165	hash = &hashtable[((unsigned long ) &current_vertex->normal.x) & 0xFF]; \
		1166	hash->indices = (long *) SAFE_realloc (hash->indices, hash->count, hash->count + 1, sizeof (long), false); \
		1167	hash->indices[hash->count] = vertex_index; \
		1168	hash->count++; \
		1169	mesh->vertice_count++; \
		1170	} \
		1171	else \
		1172	vertex_index = hash->indices[vertex_index]; \
		1173	}
		1174
		1175	typedef struct obj_uniquevertex_s { long iv, in, itc; } obj_uniquevertex_t;
		1176	typedef struct obj_face_s { obj_uniquevertex_t v1, v2, v3; } obj_face_t;
		1177	typedef struct obj_hashbucket_s { int count; long indices; / mallocated */ } obj_hashbucket_t;
		1178	typedef struct objfile_s
		1179	{
		1180	vector_t *vs; long v_count; long v_maxcount; // array mallocated to v_maxcount
		1181	vector_t *ns; long n_count; long n_maxcount; // array mallocated to n_maxcount
		1182	texcoord_t *tcs; long tc_count; long tc_maxcount; // array mallocated to tc_maxcount
		1183	obj_face_t *fs; long f_count; long f_maxcount; // array mallocated to f_maxcount
		1184	} objfile_t;
		1185
		1186	static obj_hashbucket_t hashtable[256];
		1187	objfile_t obj;
		1188	obj_hashbucket_t *hash;
		1189	obj_face_t *f;
		1190	vertex_t *vertices; // mallocated
		1191	unsigned long *indices; // mallocated
		1192	vertex_t *current_vertex;
		1193	struct _stat fileinfo;
		1194	char *filedata; // mallocated
		1195	char *fileptr;
		1196	int vertex_index;
		1197	int array_index;
		1198	void *ptr_to;
		1199	FILE *fp;
		1200
		1201	// open the mesh file and read it as a whole
		1202	_wstat (objfile_pathname, &fileinfo);
		1203	_wfopen_s (&fp, objfile_pathname, L"rb");
		1204	if (fp == NULL)
		1205	return (false); // bomb out on error
		1206	filedata = (char *) SAFE_malloc (fileinfo.st_size, sizeof (char), false); // mallocate space for data
		1207	fread (filedata, fileinfo.st_size, 1, fp); // read file as a whole
		1208	fclose (fp); // file is read, close it
		1209
		1210	// allocate space for an arbitrary amount of vertices, texture coordinates, normals and faces
		1211	memset (&obj, 0, sizeof (obj));
		1212	obj.v_maxcount = 10000; obj.vs = (vector_t *) SAFE_malloc (obj.v_maxcount, sizeof (vector_t), false);
		1213	obj.n_maxcount = 10000; obj.ns = (vector_t *) SAFE_malloc (obj.n_maxcount, sizeof (vector_t), false);
		1214	obj.tc_maxcount = 10000; obj.tcs = (texcoord_t *) SAFE_malloc (obj.tc_maxcount, sizeof (texcoord_t), false);
		1215	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 !)
		1216
		1217	// read file line per line...
		1218	fileptr = filedata - 1; // start parsing line after line
		1219	while (fileptr != NULL)
		1220	{
		1221	fileptr++; // skip the line feed (or reach the first character, if it's the first pass)
		1222
		1223	// is it a vertex-related line ?
		1224	if (fileptr[0] == L'v')
		1225	{
		1226	// is it a vertex, a normal or a texture coordinate ?
		1227	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))
		1228	OBJ_INCREASE_OR_RESIZE (obj.v_count, obj.v_maxcount, 10000, obj.vs, vector_t, false) // one vertex more has been read
		1229	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))
		1230	OBJ_INCREASE_OR_RESIZE (obj.n_count, obj.n_maxcount, 10000, obj.ns, vector_t, false) // one normal more has been read
		1231	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))
		1232	OBJ_INCREASE_OR_RESIZE (obj.tc_count, obj.tc_maxcount, 10000, obj.tcs, texcoord_t, false) // one texture coordinate more has been read
		1233	}
		1234
		1235	// else is it a face-related line ?
		1236	else if (fileptr[0] == L'f')
		1237	{
		1238	// get a quick pointer to current face (note: it's been already blanked out by malloc())
		1239	f = &obj.fs[obj.f_count];
		1240
		1241	// is it a face with normals, a face without normals or a face without normals and texture coordinates ?
		1242	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)
		1243	\|\| (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)
		1244	\|\| (sscanf_s (&fileptr[2], "%d %d %d", &f->v3.iv, &f->v2.iv, &f->v3.iv) == 6))
		1245	{
		1246	OBJ_CONVERT_INDEX (f->v1.iv, obj.v_count);
		1247	OBJ_CONVERT_INDEX (f->v1.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1248	OBJ_CONVERT_INDEX (f->v1.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1249	OBJ_CONVERT_INDEX (f->v2.iv, obj.v_count);
		1250	OBJ_CONVERT_INDEX (f->v2.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1251	OBJ_CONVERT_INDEX (f->v2.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1252	OBJ_CONVERT_INDEX (f->v3.iv, obj.v_count);
		1253	OBJ_CONVERT_INDEX (f->v3.in, obj.n_count); // if no normal could be read, its index will be converted from 0 to -1
		1254	OBJ_CONVERT_INDEX (f->v3.itc, obj.tc_count); // if no texcoord could be read, its index will be converted from 0 to -1
		1255	OBJ_INCREASE_OR_RESIZE (obj.f_count, obj.f_maxcount, 5000, obj.fs, obj_face_t, true) // one face more has been read
		1256	}
		1257	}
		1258
		1259	fileptr = strchr (fileptr, '\n'); // proceed to next line
		1260	}
		1261
		1262	// now build our final vertex and index list
		1263	vertices = (vertex_t ) SAFE_malloc (3 obj.f_count, sizeof (vertex_t), false); // mallocate for the max number of vertices we can have
		1264	indices = (unsigned long ) SAFE_malloc (3 obj.f_count, sizeof (unsigned long), false); // mallocate for the right amount of indices
		1265
		1266	// t3h mighty l00p ^^ (builds vertex and index buffers)
		1267	memset (hashtable, 0, sizeof (hashtable)); // wipe out the hashtable
		1268	mesh->vertice_count = 0; // start with an unoptimized list
		1269	for (array_index = 0; array_index < obj.f_count; array_index++)
		1270	{
		1271	f = &obj.fs[array_index]; // quick access to current face
		1272	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v1);
		1273	indices[3 * array_index + 0] = vertex_index;
		1274	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v2);
		1275	indices[3 * array_index + 1] = vertex_index;
		1276	OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX (f->v3);
		1277	indices[3 * array_index + 2] = vertex_index;
		1278	}
		1279
		1280	// now create a correctly-sized DirectX vertex buffer and populate it
		1281	mesh->vertex_format = D3DFVF_XYZ \| D3DFVF_NORMAL \| D3DFVF_TEX1;
		1282	mesh->vertice_size = sizeof (vertex_t);
		1283	d3ddev->CreateVertexBuffer (mesh->vertice_count * mesh->vertice_size, // length
		1284	D3DUSAGE_DYNAMIC, // usage
		1285	mesh->vertex_format, // vertex format
		1286	D3DPOOL_DEFAULT, // pool type
		1287	&mesh->d3dvertices, // pointer to the vertex buffer pointer
		1288	NULL); // shared handle
		1289	mesh->d3dvertices->Lock (0, mesh->vertice_count * mesh->vertice_size, &ptr_to, D3DLOCK_DISCARD);
		1290	memcpy (ptr_to, vertices, mesh->vertice_count * mesh->vertice_size);
		1291	mesh->d3dvertices->Unlock ();
		1292
		1293	// create a correctly-sized DirectX index buffer and populate it
		1294	mesh->is_indexed = true; // remember that we're building an index buffer
		1295	mesh->indice_count = obj.f_count * 3;
		1296	mesh->indice_size = (mesh->indice_count <= (int) USHRT_MAX ? 2 : 4);
		1297	d3ddev->CreateIndexBuffer (mesh->indice_count * mesh->indice_size, // length
		1298	D3DUSAGE_DYNAMIC, // usage
		1299	(mesh->indice_size == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32), // format (here, 16 or 32-bit)
		1300	D3DPOOL_DEFAULT, // pool type
		1301	&mesh->d3dindices, // pointer to the index buffer pointer
		1302	NULL); // shared handle
		1303	mesh->d3dindices->Lock (0, mesh->indice_count * mesh->indice_size, &ptr_to, D3DLOCK_DISCARD);
		1304	if (mesh->indice_size == 2)
		1305	for (array_index = 0; array_index < mesh->indice_count; array_index++)
		1306	((unsigned short *) ptr_to)[array_index] = (unsigned short) indices[array_index];
		1307	else
		1308	memcpy (ptr_to, indices, mesh->indice_count * mesh->indice_size);
		1309	mesh->d3dindices->Unlock ();
		1310
		1311	// finished, free the temporary objects
		1312	for (array_index = 0; array_index < sizeof (hashtable) / sizeof (obj_hashbucket_t); array_index++)
		1313	SAFE_free ((void **) &hashtable[array_index].indices);
		1314	SAFE_free ((void **) &indices);
		1315	SAFE_free ((void **) &vertices);
		1316	SAFE_free ((void **) &obj.vs);
		1317	SAFE_free ((void **) &obj.ns);
		1318	SAFE_free ((void **) &obj.tcs);
		1319	SAFE_free ((void **) &obj.fs);
		1320	SAFE_free ((void **) &filedata);
		1321
		1322	return (true); // Wavefront Object successfully loaded, return TRUE
		1323
		1324	#undef OBJ_GET_EXISTING_INDEX_OR_APPEND_VERTEX
		1325	#undef OBJ_CONVERT_INDEX
		1326	#undef OBJ_INCREASE_OR_RESIZE
		1327	}
		1328
		1329
		1330	static void Render_DrawSceneObjectReflection (sceneobject_t *sceneobject)
		1331	{
		1332	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1333
		1334	D3DXMATRIX rotation_matrix;
		1335	D3DXMATRIX translation_matrix;
		1336	D3DXMATRIX reflect_matrix;
		1337	D3DXMATRIX scaling_matrix;
		1338	material_t *material;
		1339	D3DMATERIAL9 d3dmaterial;
		1340	D3DXPLANE plane;
		1341	mesh_t *mesh;
		1342	mesh_t *tile_mesh;
		1343	float alpha;
		1344
		1345	// draw the reflection below this mesh
		1346
		1347	// quick access to meshes
		1348	mesh = &meshes[sceneobject->mesh_index];
		1349	tile_mesh = &meshes[theme->tile_meshindex];
		1350
		1351	// set the world transform at location
		1352	D3DXPlaneFromPointNormal (&plane, (D3DXVECTOR3 ) &scene_center, (D3DXVECTOR3 ) &upwards_direction);
		1353	D3DXMatrixReflect (&reflect_matrix, &plane);
		1354	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, -sceneobject->pitch * TO_RADIANS, 0.0f, -sceneobject->yaw * TO_RADIANS);
		1355	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, -sceneobject->z);
		1356	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1357
		1358	// tell Direct3D about our matrix
		1359	d3ddev->SetTransform (D3DTS_WORLD, &(reflect_matrix * scaling_matrix * rotation_matrix * translation_matrix));
		1360
		1361	d3ddev->SetRenderState (D3DRS_STENCILENABLE, true); // enable the stencil buffer
		1362	d3ddev->SetRenderState (D3DRS_STENCILFUNC, D3DCMP_LESS); // instruct how to fill the stencil buffer
		1363	d3ddev->SetRenderState (D3DRS_STENCILPASS, D3DSTENCILOP_KEEP); // instruct how to fill the stencil buffer
		1364
		1365	// set the texture for this mesh
		1366	if (sceneobject->texture_index != -1)
		1367	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1368	else
		1369	d3ddev->SetTexture (0, NULL);
		1370
		1371	// adjust the light reflection properties by setting the material
		1372	if (sceneobject->material_index != -1)
		1373	material = &materials[sceneobject->material_index]; // use the specified scene object material
		1374	else
		1375	material = &materials[material_count - 1]; // scene object material unspecified, use default material
		1376	alpha = theme->reflection_alpha / 256.0f;
		1377	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency * alpha); // Alpha value not used according to SDK
		1378	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency * alpha);
		1379	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency * alpha); // Alpha value not used according to SDK
		1380	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency * alpha); // Alpha value not used according to SDK
		1381	d3dmaterial.Power = material->shininess;
		1382	d3ddev->SetMaterial (&d3dmaterial);
		1383
		1384	// draw the mesh subset
		1385	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1386	d3ddev->SetFVF (mesh->vertex_format);
		1387	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1388	if (mesh->is_indexed)
		1389	{
		1390	d3ddev->SetIndices (mesh->d3dindices);
		1391	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1392	}
		1393	else
		1394	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1395
		1396	d3ddev->SetRenderState (D3DRS_STENCILENABLE, false); // and disable the stencil buffer
		1397
		1398	// now draw the simple shadow below this mesh
		1399
		1400	// grab the tools we need in hand
		1401	d3ddev->SetRenderState (D3DRS_ZENABLE, false); // disable the Z buffer
		1402	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_XRGB (255, 255, 255)); // raise ambient light
		1403
		1404	// position the simple shadow sprite
		1405	D3DXMatrixScaling (&scaling_matrix, max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), max (sceneobject->simpleshadow_size, sceneobject->z / 5.0f), 0.0f);
		1406	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, 0.0f);
		1407	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * translation_matrix));
		1408
		1409	// adjust the light reflection properties by setting the material
		1410	material = &materials[material_count - 1]; // use the default material
		1411	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1412	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1413	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1414	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1415	d3dmaterial.Power = material->shininess;
		1416	d3ddev->SetMaterial (&d3dmaterial);
		1417
		1418	d3ddev->SetTexture (0, textures[theme->shadow_textureindex].texture); // select the texture we want
		1419
		1420	// and then draw it
		1421	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1422	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1423	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the faces backwards
		1424	if (tile_mesh->is_indexed)
		1425	{
		1426	d3ddev->SetIndices (tile_mesh->d3dindices);
		1427	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1428	}
		1429	else
		1430	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1431
		1432	// finished, reset ambient light to its previous value and enable the Z buffer back
		1433	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1434	d3ddev->SetRenderState (D3DRS_ZENABLE, true);
		1435
		1436	return; // finished
		1437	}
		1438
		1439
		1440	static void Render_DrawSceneObject (sceneobject_t *sceneobject)
		1441	{
		1442	// fast helper to draw a mesh at a specified location with certain pitch and yaw angles
		1443
		1444	D3DXMATRIX rotation_matrix;
		1445	D3DXMATRIX translation_matrix;
		1446	D3DXMATRIX scaling_matrix;
		1447	material_t *material;
		1448	D3DMATERIAL9 d3dmaterial;
		1449	mesh_t *mesh;
		1450
		1451	// is this object a tile (i.e, it has no mesh) ?
		1452	if (sceneobject->mesh_index == -1)
		1453	{
		1454	Render_DrawSceneTile (sceneobject); // then draw it as a tile instead
		1455	return; // and return
		1456	}
		1457
		1458	// quick access to mesh
		1459	mesh = &meshes[sceneobject->mesh_index];
		1460
		1461	// set the world transform at location
		1462	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1463	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1464	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1465
		1466	// tell Direct3D about our matrix
		1467	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1468
		1469	// set the texture for this mesh
		1470	if (sceneobject->texture_index != -1)
		1471	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1472	else
		1473	d3ddev->SetTexture (0, NULL);
		1474
		1475	// adjust the light reflection properties by setting the material
		1476	if (sceneobject->material_index != -1)
		1477	material = &materials[sceneobject->material_index];
		1478	else
		1479	material = &materials[material_count - 1];
		1480	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->transparency);
		1481	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->transparency);
		1482	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->transparency);
		1483	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->transparency);
		1484	d3dmaterial.Power = material->shininess;
		1485	d3ddev->SetMaterial (&d3dmaterial);
		1486
		1487	// draw the mesh subset
		1488	d3ddev->SetStreamSource (0, mesh->d3dvertices, 0, sizeof (vertex_t));
		1489	d3ddev->SetFVF (mesh->vertex_format);
		1490
		1491	// is there transparency on this mesh ?
		1492	if (material->transparency < 1)
		1493	{
		1494	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1495	if (mesh->is_indexed)
		1496	{
		1497	d3ddev->SetIndices (mesh->d3dindices);
		1498	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1499	}
		1500	else
		1501	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1502	}
		1503
		1504	// now draw the front faces
		1505	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CCW); // draw the front faces
		1506	if (mesh->is_indexed)
		1507	{
		1508	d3ddev->SetIndices (mesh->d3dindices);
		1509	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, mesh->vertice_count, 0, mesh->indice_count / 3);
		1510	}
		1511	else
		1512	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, mesh->vertice_count / 3);
		1513
		1514	return; // finished
		1515	}
		1516
		1517
		1518	static void Render_DrawSceneTile (sceneobject_t *sceneobject)
		1519	{
		1520	// fast helper to draw a tile (i.e, an object that doesn't have a mesh) at a specified location
		1521
		1522	D3DXMATRIX rotation_matrix;
		1523	D3DXMATRIX translation_matrix;
		1524	D3DXMATRIX scaling_matrix;
		1525	material_t *material;
		1526	D3DMATERIAL9 d3dmaterial;
		1527	mesh_t *tile_mesh;
		1528
		1529	tile_mesh = &meshes[theme->tile_meshindex]; // quick access to tile mesh
		1530
		1531	// grab the tools we need in hand
		1532	d3ddev->SetRenderState (D3DRS_AMBIENT, D3DCOLOR_RGBA (0xFF, 0xFF, 0xFF, 0xFF)); // raise light
		1533
		1534	// set the world transform at location
		1535	D3DXMatrixRotationYawPitchRoll (&rotation_matrix, sceneobject->pitch * TO_RADIANS, 0.0f, sceneobject->yaw * TO_RADIANS);
		1536	D3DXMatrixTranslation (&translation_matrix, sceneobject->x, sceneobject->y, sceneobject->z);
		1537	D3DXMatrixScaling (&scaling_matrix, sceneobject->scale, sceneobject->scale, 1.0f);
		1538
		1539	// tell Direct3D about our matrix
		1540	d3ddev->SetTransform (D3DTS_WORLD, &(scaling_matrix * rotation_matrix * translation_matrix));
		1541
		1542	// adjust the light reflection properties by setting the material
		1543	material = &materials[material_count - 1]; // use the default material for tiles
		1544	d3dmaterial.Ambient = D3DXCOLOR (material->ambient, material->ambient, material->ambient, material->ambient);
		1545	d3dmaterial.Diffuse = D3DXCOLOR (material->diffuse, material->diffuse, material->diffuse, material->diffuse);
		1546	d3dmaterial.Emissive = D3DXCOLOR (material->emissive, material->emissive, material->emissive, material->emissive);
		1547	d3dmaterial.Specular = D3DXCOLOR (material->specular, material->specular, material->specular, material->specular);
		1548	d3dmaterial.Power = material->shininess;
		1549	d3ddev->SetMaterial (&d3dmaterial);
		1550
		1551	// select the texture we want
		1552	d3ddev->SetTexture (0, textures[sceneobject->texture_index].texture);
		1553
		1554	// and then draw it
		1555	d3ddev->SetStreamSource (0, tile_mesh->d3dvertices, 0, sizeof (vertex_t)); // set stream source
		1556	d3ddev->SetFVF (tile_mesh->vertex_format); // select which vertex format we are using
		1557	d3ddev->SetRenderState (D3DRS_CULLMODE, D3DCULL_CW); // draw the back faces
		1558	if (tile_mesh->is_indexed)
		1559	{
		1560	d3ddev->SetIndices (tile_mesh->d3dindices);
		1561	d3ddev->DrawIndexedPrimitive (D3DPT_TRIANGLELIST, 0, 0, tile_mesh->vertice_count, 0, tile_mesh->indice_count / 3);
		1562	}
		1563	else
		1564	d3ddev->DrawPrimitive (D3DPT_TRIANGLELIST, 0, tile_mesh->vertice_count / 3);
		1565
		1566	// finished, reset ambient light to its previous value
		1567	d3ddev->SetRenderState (D3DRS_AMBIENT, ambient_light);
		1568
		1569	return; // finished
		1570	}
		1571
		1572
		1573	static void Render_DrawSprite (sprite_t *sprite, float x_percent, float y_percent, float width_percent, float height_percent, int alpha)
		1574	{
		1575	// fast helper to draw a sprite at a specified location with certain parameters
		1576
		1577	D3DXMATRIX scaling_matrix;
		1578	texture_t *texture;
		1579	float scale_x;
		1580	float scale_y;
		1581
		1582	texture = &textures[sprite->texture_index]; // quick access to sprite's texture
		1583
		1584	scale_x = (width_percent * (float) initial_width) / (float) (100 * texture->width);
		1585	scale_y = (height_percent * (float) initial_height) / (float) (100 * texture->height);
		1586
		1587	// start rendering the sprite (an optimized version would draw all sprites in a row...)
		1588	sprite->sprite->Begin (D3DXSPRITE_ALPHABLEND);
		1589
		1590	// scale and position the sprite
		1591	D3DXMatrixTransformation2D (&scaling_matrix, // output matrix
		1592	NULL, // scaling center
		1593	0.0f, // scaling rotation
		1594	&D3DXVECTOR2 (scale_x, scale_y), // scaling ratio
		1595	&D3DXVECTOR2 (0, 0), // rotation center
		1596	0.0f, // rotation
		1597	&D3DXVECTOR2 (x_percent * (float) initial_width / 100.0f, y_percent * (float) initial_height / 100.0f)); // translation
		1598	sprite->sprite->SetTransform (&scaling_matrix); // tell the sprite about the scaling and position transform
		1599
		1600	// now draw the sprite with the specified alpha and finish rendering
		1601	sprite->sprite->Draw (texture->texture, NULL, NULL, NULL, D3DCOLOR_ARGB (alpha, 255, 255, 255));
		1602	sprite->sprite->End ();
		1603
		1604	return; // finished
		1605	}
		1606
		1607
		1608	static void Render_GetTextBoundaries (int max_width, int font_id, wchar_t text, RECT rect)
		1609	{
		1610	// this function computes and returns the size of the rectangle the specified text will fit into. Note that text may be modified
		1611	// to insert new lines if it doesn't fit in a single line.
		1612
		1613	int char_index;
		1614	int length;
		1615	int optimal_length;
		1616	bool have_split;
		1617
		1618	// blank out the output rectangle
		1619	memset (rect, 0, sizeof (RECT));
		1620
		1621	// ask direct3D to compute the text size a first time
		1622	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1623
		1624	// if max width is not set, set it to viewport width
		1625	if (max_width < 0)
		1626	max_width = initial_width; // then use it to compute the real max width
		1627
		1628	// do we need more than one line ?
		1629	if (rect->right > max_width)
		1630	{
		1631	// see how many lines we need and compute the optimal length of one line
		1632	length = wcslen (text);
		1633	optimal_length = length / (1 + rect->right / (int) max_width);
		1634	have_split = false;
		1635	for (char_index = optimal_length; char_index < length; char_index++)
		1636	if (iswspace (text[char_index]))
		1637	{
		1638	text[char_index] = L'\n'; // interpolate linefeeds into string
		1639	have_split = true; // remember string has been split
		1640	char_index += optimal_length;
		1641	}
		1642
		1643	// and ask direct3D to compute the text size again
		1644	fonts[font_id].font->DrawText (NULL, text, -1, rect, DT_CALCRECT, D3DCOLOR (0));
		1645	}
		1646
		1647	return; // finished
		1648	}
		1649
		1650
		1651	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, ...)
		1652	{
		1653	// this function displays text on the Direct3D interface according to the given parameters. X and Y are the base coordinates of
		1654	// the text's bounding rectangle. Max_width is the maximum allowed width of this rectangle before wrapping words on a new line.
		1655	// Horiz_align and vert_align are the alignment parameters of the RECTANGLE relatively to X and Y. Text_align is the alignment of
		1656	// the TEXT inside this rectangle (meaning, you can have right-aligned text in a rectangle that is centered on a point). Font_id
		1657	// 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
		1658	// bounding rectangle, after any word wrapping corrections have been made. Fmt is a format string containing the text itself,
		1659	// printf-style.
		1660
		1661	va_list argptr;
		1662	RECT rect;
		1663	int left;
		1664	int top;
		1665
		1666	// concatenate all the arguments in one string
		1667	va_start (argptr, fmt);
		1668	wvsprintf (printf_buffer, fmt, argptr);
		1669	va_end (argptr);
		1670
		1671	// get the text boundaries
		1672	Render_GetTextBoundaries (max_width, font_id, printf_buffer, &rect);
		1673
		1674	// horizontal alignment
		1675	if (horiz_align == ALIGN_LEFT)
		1676	left = x;
		1677	else if (horiz_align == ALIGN_RIGHT)
		1678	left = x - rect.right;
		1679	else
		1680	left = x - rect.right / 2;
		1681
		1682	// vertical alignment
		1683	if (vert_align == ALIGN_TOP)
		1684	top = y;
		1685	else if (vert_align == ALIGN_BOTTOM)
		1686	top = y - rect.bottom;
		1687	else
		1688	top = y - rect.bottom / 2;
		1689
		1690	// now reposition our rectangle correctly acording to alignment
		1691	OffsetRect (&rect, left, top);
		1692
		1693	// and draw the text
		1694	if (text_align == ALIGN_LEFT)
		1695	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_LEFT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1696	else if (horiz_align == ALIGN_RIGHT)
		1697	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_RIGHT, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1698	else
		1699	fonts[font_id].font->DrawText (NULL, printf_buffer, -1, &rect, DT_CENTER, RGBACOLOR_TO_ARGBCOLOR (color_rgba));
		1700
		1701	// do we want the output rectangle ?
		1702	if (out_rect != NULL)
		1703	memcpy (out_rect, &rect, sizeof (rect)); // if so, copy it in the given variable
		1704
		1705	return; // finished
		1706	}
		1707
		1708
		1709	static float DistanceToCamera (float x, float y, float z)
		1710	{
		1711	// this function computes the distance of the point at coordinates x,y,z to the camera
		1712
		1713	vector_t displacement;
		1714
		1715	// compute displacement...
		1716	displacement.x = x - camera_position.x;
		1717	displacement.y = y - camera_position.y;
		1718	displacement.z = z - camera_position.z;
		1719
		1720	// ...and then Pythagores in 3D
		1721	return (sqrtf (displacement.x * displacement.x + displacement.y * displacement.y + displacement.z * displacement.z));
		1722	}
		1723
		1724
		1725	static float FadeFloat (float from, float to, float start_time, float end_time)
		1726	{
		1727	// helper function to return a progressive variation between from and to based on time
		1728
		1729	if (end_time < current_time)
		1730	return (to);
		1731
		1732	// base + (variation) * ( fraction of completion )
		1733	return (from + (to - from) * (current_time - start_time) / (end_time - start_time));
		1734	}
		1735
		1736
		1737	static unsigned long HashString (const wchar_t *string_buffer)
		1738	{
		1739	// super fast string hash function, code courtesy of
		1740	// http://www.azillionmonkeys.com/qed/hash.html
		1741
		1742	unsigned long length;
		1743	unsigned long hash;
		1744	unsigned long tmp;
		1745	int remaining;
		1746
		1747	// first, get the string length and start with this as a hash value
		1748	length = wcslen (string_buffer) * sizeof (wchar_t);
		1749	hash = length;
		1750
		1751	// figure out how many bytes there will remain after 32-bit processing
		1752	remaining = length & 3;
		1753	length >>= 2;
		1754
		1755	// main loop, process 32-bit blocks
		1756	for ( ; length > 0; length--)
		1757	{
		1758	hash += ((const unsigned short ) string_buffer);
		1759	tmp = ((((const unsigned short ) (string_buffer + 2))) << 11) ^ hash;
		1760	hash = (hash << 16) ^ tmp;
		1761	string_buffer += 2 * sizeof (unsigned short);
		1762	hash += hash >> 11;
		1763	}
		1764
		1765	// handle the remaining bytes
		1766	if (remaining == 3)
		1767	{
		1768	hash += ((const unsigned short ) string_buffer);
		1769	hash ^= hash << 16;
		1770	hash ^= string_buffer[sizeof (unsigned short)] << 18;
		1771	hash += hash >> 11;
		1772	}
		1773	else if (remaining == 2)
		1774	{
		1775	hash += ((const unsigned short ) string_buffer);
		1776	hash ^= hash << 11;
		1777	hash += hash >> 17;
		1778	}
		1779	else if (remaining == 1)
		1780	{
		1781	hash += *string_buffer;
		1782	hash ^= hash << 10;
		1783	hash += hash >> 1;
		1784	}
		1785
		1786	// force "avalanching" of final 127 bits
		1787	hash ^= hash << 3;
		1788	hash += hash >> 5;
		1789	hash ^= hash << 4;
		1790	hash += hash >> 17;
		1791	hash ^= hash << 25;
		1792	hash += hash >> 6;
		1793
		1794	return (hash); // finished, return the hash value
		1795	}
		1796
		1797
		1798	static unsigned long HashFile (const wchar_t *file_pathname)
		1799	{
		1800	// super fast file content pseudo-hash function
		1801
		1802	unsigned short value;
		1803	struct _stat fileinfo;
		1804	FILE *fp;
		1805
		1806	// first, get info about the file
		1807	if (_wstat (file_pathname, &fileinfo) != 0)
		1808	return ((unsigned long) time (NULL)); // if file can't be open, return a random number
		1809
		1810	// open the file
		1811	_wfopen_s (&fp, file_pathname, L"rb");
		1812	if (fp == NULL)
		1813	return ((unsigned long) time (NULL)); // if file can't be open, return a random number
		1814
		1815	// seek at 2/3 of file size (if file is small enough, return only its content)
		1816	if (fileinfo.st_size >= 4)
		1817	{
		1818	fseek (fp, fileinfo.st_size * 2 / 3, SEEK_SET); // seek at 2/3 of file
		1819	fread (&value, 2, 1, fp); // and read a word here
		1820	}
		1821	else if (fileinfo.st_size >= 2)
		1822	fread (&value, 2, 1, fp);
		1823	else if (fileinfo.st_size == 1)
		1824	value = fgetc (fp);
		1825	else
		1826	value = 0;
		1827
		1828	// finished, close the file
		1829	fclose (fp);
		1830
		1831	// and return a hash composed of the 16 lower bits of the file size and the value we read
		1832	return ((unsigned long) (fileinfo.st_size << 16) \| (unsigned long) value);
		1833	}
		1834
		1835
		1836	static void ResolveWildcard (wchar_t file_pathname, wchar_t extensions_separated_by_bars)
		1837	{
		1838	// this function resolves a pathname ending with .* by testing with various possible
		1839	// file extensions until one of the files formed that way is found to exist.
		1840
		1841	static wchar_t extension_list[256]; // needs to be modifiable for strtok()
		1842	wchar_t *current_extension;
		1843	wchar_t *wcstok_context;
		1844	struct _stat fileinfo;
		1845	int length;
		1846
		1847	wcscpy_s (extension_list, WCHAR_SIZEOF (extension_list), extensions_separated_by_bars);
		1848	length = wcslen (file_pathname); // get pathname length
		1849
		1850	// does the pathname we want NOT end with a wildcard ?
		1851	if ((length < 2) \|\| (wcscmp (&file_pathname[length - 2], L".*") != 0))
		1852	return; // no need to resolve anything
		1853
		1854	// test each extension and see if a corresponding file exists
		1855	current_extension = wcstok_s (extension_list, L"\|", &wcstok_context);
		1856	while (current_extension != NULL)
		1857	{
		1858	if (*current_extension == L'.')
		1859	current_extension++; // if current extension starts with a dot, skip it
		1860	wcscpy_s (&file_pathname[length - 1], wcslen (current_extension) + 1, current_extension);
		1861	if (_wstat (file_pathname, &fileinfo) == 0)
		1862	return; // found a file with this extension
		1863	current_extension = wcstok_s (NULL, L"\|", &wcstok_context);
		1864	}
		1865
		1866	wcscpy_s (&file_pathname[length - 1], 2, L"*");
		1867	return; // if none of these extensions match, put the wildcard back and return
		1868	}
		1869
		1870
		1871	static int SortReflectedObjects (const void object1, const void object2)
		1872	{
		1873	// callback function used by qsort() when sorting the reflected objects according to their distance to the viewer
		1874
		1875	return ((int) (1000.0f * (((reflectedobject_t ) object2)->distance - ((reflectedobject_t ) object1)->distance)));
		1876	}

Subversion Repositories Games.Chess Giants

Games.Chess Giants/render.cpp – Rev 2