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198 lines
4.4 KiB
198 lines
4.4 KiB
![]()
6 years ago
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/*
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cl_render.c - RenderAPI loader & implementation
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Copyright (C) 2019 a1batross
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#ifndef XASH_DEDICATED
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#include "common.h"
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#include "client.h"
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#include "library.h"
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static int R_FatPVS( const vec3_t org, float radius, byte *visbuffer, qboolean merge, qboolean fullvis )
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{
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return Mod_FatPVS( org, radius, visbuffer, world.visbytes, merge, fullvis );
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}
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static lightstyle_t *CL_GetLightStyle( int number )
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{
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Assert( number >= 0 && number < MAX_LIGHTSTYLES );
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return &cl.lightstyles[number];
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}
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static const ref_overview_t *GL_GetOverviewParms( void )
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{
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return &clgame.overView;
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}
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static void *R_Mem_Alloc( size_t cb, const char *filename, const int fileline )
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{
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return _Mem_Alloc( cls.mempool, cb, true, filename, fileline );
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}
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static void R_Mem_Free( void *mem, const char *filename, const int fileline )
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{
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if( !mem ) return;
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_Mem_Free( mem, filename, fileline );
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}
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/*
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=========
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pfnGetFilesList
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=========
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*/
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static char **pfnGetFilesList( const char *pattern, int *numFiles, int gamedironly )
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{
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static search_t *t = NULL;
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if( t ) Mem_Free( t ); // release prev search
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t = FS_Search( pattern, true, gamedironly );
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if( !t )
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{
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if( numFiles ) *numFiles = 0;
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return NULL;
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}
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if( numFiles ) *numFiles = t->numfilenames;
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return t->filenames;
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}
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static uint pfnFileBufferCRC32( const void *buffer, const int length )
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{
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uint modelCRC = 0;
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if( !buffer || length <= 0 )
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return modelCRC;
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CRC32_Init( &modelCRC );
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CRC32_ProcessBuffer( &modelCRC, buffer, length );
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return CRC32_Final( modelCRC );
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}
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/*
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=============
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CL_GenericHandle
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=============
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*/
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const char *CL_GenericHandle( int fileindex )
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{
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if( fileindex < 0 || fileindex >= MAX_CUSTOM )
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return 0;
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return cl.files_precache[fileindex];
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}
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static render_api_t gRenderAPI =
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{
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NULL, // GL_RenderGetParm,
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NULL, // R_GetDetailScaleForTexture,
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NULL, // R_GetExtraParmsForTexture,
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CL_GetLightStyle,
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CL_GetDynamicLight,
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CL_GetEntityLight,
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LightToTexGamma,
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NULL, // R_GetFrameTime,
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NULL, // R_SetCurrentEntity,
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NULL, // R_SetCurrentModel,
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R_FatPVS,
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NULL, // R_StoreEfrags,
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NULL, // GL_FindTexture,
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NULL, // GL_TextureName,
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NULL, // GL_TextureData,
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NULL, // GL_LoadTexture,
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NULL, // GL_CreateTexture,
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NULL, // GL_LoadTextureArray,
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NULL, // GL_CreateTextureArray,
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NULL, // GL_FreeTexture,
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NULL, // DrawSingleDecal,
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NULL, // R_DecalSetupVerts,
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NULL, // R_EntityRemoveDecals,
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(void*)AVI_LoadVideo,
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(void*)AVI_GetVideoInfo,
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(void*)AVI_GetVideoFrameNumber,
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(void*)AVI_GetVideoFrame,
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NULL, // R_UploadStretchRaw,
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(void*)AVI_FreeVideo,
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(void*)AVI_IsActive,
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S_StreamAviSamples,
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NULL,
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NULL,
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NULL, // GL_Bind,
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NULL, // GL_SelectTexture,
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NULL, // GL_LoadTexMatrixExt,
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NULL, // GL_LoadIdentityTexMatrix,
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NULL, // GL_CleanUpTextureUnits,
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NULL, // GL_TexGen,
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NULL, // GL_TextureTarget,
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NULL, // GL_SetTexCoordArrayMode,
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NULL, // GL_GetProcAddress,
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NULL, // GL_UpdateTexSize,
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NULL,
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NULL,
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NULL, // CL_DrawParticlesExternal,
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NULL, // R_EnvShot,
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pfnSPR_LoadExt,
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NULL, // R_LightVec,
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NULL, // R_StudioGetTexture,
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GL_GetOverviewParms,
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CL_GenericHandle,
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NULL,
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NULL,
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R_Mem_Alloc,
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R_Mem_Free,
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pfnGetFilesList,
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pfnFileBufferCRC32,
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COM_CompareFileTime,
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Host_Error,
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(void*)CL_ModelHandle,
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pfnTime,
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Cvar_Set,
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S_FadeMusicVolume,
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COM_SetRandomSeed,
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};
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/*
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===============
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R_InitRenderAPI
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Initialize client external rendering
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===============
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*/
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qboolean R_InitRenderAPI( void )
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{
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// make sure what render functions is cleared
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memset( &clgame.drawFuncs, 0, sizeof( clgame.drawFuncs ));
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if( clgame.dllFuncs.pfnGetRenderInterface )
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{
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if( clgame.dllFuncs.pfnGetRenderInterface( CL_RENDER_INTERFACE_VERSION, &gRenderAPI, &clgame.drawFuncs ))
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{
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Con_Reportf( "CL_LoadProgs: ^2initailized extended RenderAPI ^7ver. %i\n", CL_RENDER_INTERFACE_VERSION );
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return true;
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}
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// make sure what render functions is cleared
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memset( &clgame.drawFuncs, 0, sizeof( clgame.drawFuncs ));
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return false; // just tell user about problems
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}
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// render interface is missed
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return true;
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}
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#endif // XASH_DEDICATED
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