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Diffstat (limited to 'engine/gl_rsurf.h')
| -rw-r--r-- | engine/gl_rsurf.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/engine/gl_rsurf.h b/engine/gl_rsurf.h new file mode 100644 index 0000000..834f3f7 --- /dev/null +++ b/engine/gl_rsurf.h @@ -0,0 +1,237 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $Workfile: $ +// $Date: $ +// $NoKeywords: $ +//===========================================================================// + +#ifndef GL_RSURF_H +#define GL_RSURF_H + +#ifdef _WIN32 +#pragma once +#endif + +#include "mathlib/vector.h" +#include "bsptreedata.h" +#include "materialsystem/imesh.h" + +class Vector; +struct WorldListInfo_t; +class IMaterial; +class IClientRenderable; +class IBrushRenderer; +class IClientEntity; +struct model_t; +struct cplane_t; +struct VisibleFogVolumeInfo_t; + +struct LightmapUpdateInfo_t +{ + SurfaceHandle_t m_SurfHandle; + int transformIndex; +}; + +struct LightmapTransformInfo_t +{ + model_t *pModel; + matrix3x4_t xform; +}; +extern CUtlVector<LightmapUpdateInfo_t> g_LightmapUpdateList; +extern CUtlVector<LightmapTransformInfo_t> g_LightmapTransformList; + +//----------------------------------------------------------------------------- +// Helper class to iterate over leaves +//----------------------------------------------------------------------------- +class IEngineSpatialQuery : public ISpatialQuery +{ +public: +}; + +extern IEngineSpatialQuery* g_pToolBSPTree; + +class IWorldRenderList; +IWorldRenderList *AllocWorldRenderList(); + +void R_Surface_LevelInit(); +void R_Surface_LevelShutdown(); +void R_SceneBegin( void ); +void R_SceneEnd( void ); +void R_BuildWorldLists( IWorldRenderList *pRenderList, WorldListInfo_t* pInfo, int iForceViewLeaf, const struct VisOverrideData_t* pVisData, bool bShadowDepth = false, float *pWaterReflectionHeight = NULL ); +void R_DrawWorldLists( IWorldRenderList *pRenderList, unsigned long flags, float waterZAdjust ); + +void R_GetVisibleFogVolume( const Vector& vEyePoint, VisibleFogVolumeInfo_t *pInfo ); +void R_SetFogVolumeState( int fogVolume, bool useHeightFog ); +IMaterial *R_GetFogVolumeMaterial( int fogVolume, bool bEyeInFogVolume ); +void R_SetupSkyTexture( model_t *pWorld ); + +void Shader_DrawLightmapPageChains( IWorldRenderList *pRenderList, int pageId ); +void Shader_DrawLightmapPageSurface( SurfaceHandle_t surfID, float red, float green, float blue ); +void Shader_DrawTranslucentSurfaces( IWorldRenderList *pRenderList, int sortIndex, unsigned long flags, bool bShadowDepth ); +bool Shader_LeafContainsTranslucentSurfaces( IWorldRenderList *pRenderList, int sortIndex, unsigned long flags ); +void R_DrawTopView( bool enable ); +void R_TopViewBounds( const Vector2D & mins, const Vector2D & maxs ); + +// Resets a world render list +void ResetWorldRenderList( IWorldRenderList *pRenderList ); + +// Computes the centroid of a surface +void Surf_ComputeCentroid( SurfaceHandle_t surfID, Vector *pVecCentroid ); + +// Installs a client-side renderer for brush models +void R_InstallBrushRenderOverride( IBrushRenderer* pBrushRenderer ); + +// update dlight status on a brush model +extern int R_MarkDlightsOnBrushModel( model_t *model, IClientRenderable *pRenderable ); + +void R_DrawBrushModel( + IClientEntity *baseentity, + model_t *model, + const Vector& origin, + const QAngle& angles, + ERenderDepthMode DepthMode, bool bDrawOpaque, bool bDrawTranslucent ); + +void R_DrawBrushModelShadow( IClientRenderable* pRender ); +void R_BrushBatchInit( void ); + +int R_GetBrushModelPlaneCount( const model_t *model ); +const cplane_t &R_GetBrushModelPlane( const model_t *model, int nIndex, Vector *pOrigin ); + +bool TangentSpaceSurfaceSetup( SurfaceHandle_t surfID, Vector &tVect ); +void TangentSpaceComputeBasis( Vector& tangentS, Vector& tangentT, const Vector& normal, const Vector& tVect, bool negateTangent ); + +#ifndef NEWMESH +inline void BuildIndicesForSurface( CMeshBuilder &meshBuilder, SurfaceHandle_t surfID ) +{ + int nSurfTriangleCount = MSurf_VertCount( surfID ) - 2; + unsigned short startVert = MSurf_VertBufferIndex( surfID ); + Assert(startVert!=0xFFFF); + + // NOTE: This switch appears to help performance + // add surface to this batch + switch (nSurfTriangleCount) + { + case 1: + meshBuilder.FastIndex( startVert ); + meshBuilder.FastIndex( startVert + 1 ); + meshBuilder.FastIndex( startVert + 2 ); + break; + + case 2: + meshBuilder.FastIndex( startVert ); + meshBuilder.FastIndex( startVert + 1 ); + meshBuilder.FastIndex( startVert + 2 ); + meshBuilder.FastIndex( startVert ); + meshBuilder.FastIndex( startVert + 2 ); + meshBuilder.FastIndex( startVert + 3 ); + break; + + default: + { + for ( unsigned short v = 0; v < nSurfTriangleCount; ++v ) + { + meshBuilder.FastIndex( startVert ); + meshBuilder.FastIndex( startVert + v + 1 ); + meshBuilder.FastIndex( startVert + v + 2 ); + } + } + break; + } +} + +inline void BuildIndicesForWorldSurface( CMeshBuilder &meshBuilder, SurfaceHandle_t surfID, worldbrushdata_t *pData ) +{ + if ( SurfaceHasPrims(surfID) ) + { + mprimitive_t *pPrim = &pData->primitives[MSurf_FirstPrimID( surfID, pData )]; + Assert(pPrim->vertCount==0); + unsigned short startVert = MSurf_VertBufferIndex( surfID ); + Assert( pPrim->indexCount == ((MSurf_VertCount( surfID ) - 2)*3)); + + for ( int primIndex = 0; primIndex < pPrim->indexCount; primIndex++ ) + { + meshBuilder.FastIndex( pData->primindices[pPrim->firstIndex + primIndex] + startVert ); + } + } + else + { + BuildIndicesForSurface( meshBuilder, surfID ); + } +} + +#else + +inline void BuildIndicesForSurface( CIndexBufferBuilder &indexBufferBuilder, SurfaceHandle_t surfID ) +{ + int nSurfTriangleCount = MSurf_VertCount( surfID ) - 2; + unsigned short startVert = MSurf_VertBufferIndex( surfID ); + Assert(startVert!=0xFFFF); + + // NOTE: This switch appears to help performance + // add surface to this batch + switch (nSurfTriangleCount) + { + case 1: + indexBufferBuilder.FastIndex( startVert ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) ); + indexBufferBuilder.FastIndex( startVert + 1 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 1 ) ); + indexBufferBuilder.FastIndex( startVert + 2 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 2 ) ); + break; + + case 2: + indexBufferBuilder.FastIndex( startVert ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) ); + indexBufferBuilder.FastIndex( startVert + 1 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 1 ) ); + indexBufferBuilder.FastIndex( startVert + 2 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 2 ) ); + indexBufferBuilder.FastIndex( startVert ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) ); + indexBufferBuilder.FastIndex( startVert + 2 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 2 ) ); + indexBufferBuilder.FastIndex( startVert + 3 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 3 ) ); + break; + + default: + { + for ( unsigned short v = 0; v < nSurfTriangleCount; ++v ) + { + indexBufferBuilder.FastIndex( startVert ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) ); + indexBufferBuilder.FastIndex( startVert + v + 1 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + v + 1 ) ); + indexBufferBuilder.FastIndex( startVert + v + 2 ); + Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + v + 2 ) ); + } + } + break; + } +} + +inline void BuildIndicesForWorldSurface( CIndexBufferBuilder &indexBufferBuilder, SurfaceHandle_t surfID, worldbrushdata_t *pData ) +{ + if ( SurfaceHasPrims(surfID) ) + { + mprimitive_t *pPrim = &pData->primitives[MSurf_FirstPrimID( surfID, pData )]; + Assert(pPrim->vertCount==0); + unsigned short startVert = MSurf_VertBufferIndex( surfID ); + Assert( pPrim->indexCount == ((MSurf_VertCount( surfID ) - 2)*3)); + + for ( int primIndex = 0; primIndex < pPrim->indexCount; primIndex++ ) + { + indexBufferBuilder.FastIndex( pData->primindices[pPrim->firstIndex + primIndex] + startVert ); + Warning( "BuildIndicesForWorldSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( pData->primindices[pPrim->firstIndex + primIndex] + startVert ) ); + } + } + else + { + BuildIndicesForSurface( indexBufferBuilder, surfID ); + } +} +#endif +#endif // GL_RSURF_H |