mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 14:16:50 +00:00
238 lines
8.2 KiB
C
238 lines
8.2 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//===========================================================================//
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#ifndef GL_RSURF_H
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#define GL_RSURF_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "mathlib/vector.h"
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#include "bsptreedata.h"
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#include "materialsystem/imesh.h"
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class Vector;
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struct WorldListInfo_t;
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class IMaterial;
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class IClientRenderable;
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class IBrushRenderer;
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class IClientEntity;
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struct model_t;
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struct cplane_t;
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struct VisibleFogVolumeInfo_t;
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struct LightmapUpdateInfo_t
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{
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SurfaceHandle_t m_SurfHandle;
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int transformIndex;
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};
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struct LightmapTransformInfo_t
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{
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model_t *pModel;
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matrix3x4_t xform;
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};
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extern CUtlVector<LightmapUpdateInfo_t> g_LightmapUpdateList;
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extern CUtlVector<LightmapTransformInfo_t> g_LightmapTransformList;
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//-----------------------------------------------------------------------------
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// Helper class to iterate over leaves
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//-----------------------------------------------------------------------------
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class IEngineSpatialQuery : public ISpatialQuery
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{
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public:
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};
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extern IEngineSpatialQuery* g_pToolBSPTree;
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class IWorldRenderList;
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IWorldRenderList *AllocWorldRenderList();
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void R_Surface_LevelInit();
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void R_Surface_LevelShutdown();
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void R_SceneBegin( void );
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void R_SceneEnd( void );
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void R_BuildWorldLists( IWorldRenderList *pRenderList, WorldListInfo_t* pInfo, int iForceViewLeaf, const struct VisOverrideData_t* pVisData, bool bShadowDepth = false, float *pWaterReflectionHeight = NULL );
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void R_DrawWorldLists( IWorldRenderList *pRenderList, unsigned long flags, float waterZAdjust );
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void R_GetVisibleFogVolume( const Vector& vEyePoint, VisibleFogVolumeInfo_t *pInfo );
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void R_SetFogVolumeState( int fogVolume, bool useHeightFog );
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IMaterial *R_GetFogVolumeMaterial( int fogVolume, bool bEyeInFogVolume );
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void R_SetupSkyTexture( model_t *pWorld );
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void Shader_DrawLightmapPageChains( IWorldRenderList *pRenderList, int pageId );
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void Shader_DrawLightmapPageSurface( SurfaceHandle_t surfID, float red, float green, float blue );
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void Shader_DrawTranslucentSurfaces( IWorldRenderList *pRenderList, int sortIndex, unsigned long flags, bool bShadowDepth );
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bool Shader_LeafContainsTranslucentSurfaces( IWorldRenderList *pRenderList, int sortIndex, unsigned long flags );
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void R_DrawTopView( bool enable );
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void R_TopViewBounds( const Vector2D & mins, const Vector2D & maxs );
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// Resets a world render list
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void ResetWorldRenderList( IWorldRenderList *pRenderList );
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// Computes the centroid of a surface
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void Surf_ComputeCentroid( SurfaceHandle_t surfID, Vector *pVecCentroid );
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// Installs a client-side renderer for brush models
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void R_InstallBrushRenderOverride( IBrushRenderer* pBrushRenderer );
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// update dlight status on a brush model
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extern int R_MarkDlightsOnBrushModel( model_t *model, IClientRenderable *pRenderable );
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void R_DrawBrushModel(
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IClientEntity *baseentity,
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model_t *model,
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const Vector& origin,
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const QAngle& angles,
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ERenderDepthMode DepthMode, bool bDrawOpaque, bool bDrawTranslucent );
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void R_DrawBrushModelShadow( IClientRenderable* pRender );
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void R_BrushBatchInit( void );
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int R_GetBrushModelPlaneCount( const model_t *model );
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const cplane_t &R_GetBrushModelPlane( const model_t *model, int nIndex, Vector *pOrigin );
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bool TangentSpaceSurfaceSetup( SurfaceHandle_t surfID, Vector &tVect );
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void TangentSpaceComputeBasis( Vector& tangentS, Vector& tangentT, const Vector& normal, const Vector& tVect, bool negateTangent );
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#ifndef NEWMESH
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inline void BuildIndicesForSurface( CMeshBuilder &meshBuilder, SurfaceHandle_t surfID )
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{
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int nSurfTriangleCount = MSurf_VertCount( surfID ) - 2;
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unsigned short startVert = MSurf_VertBufferIndex( surfID );
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Assert(startVert!=0xFFFF);
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// NOTE: This switch appears to help performance
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// add surface to this batch
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switch (nSurfTriangleCount)
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{
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case 1:
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meshBuilder.FastIndex( startVert );
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meshBuilder.FastIndex( startVert + 1 );
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meshBuilder.FastIndex( startVert + 2 );
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break;
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case 2:
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meshBuilder.FastIndex( startVert );
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meshBuilder.FastIndex( startVert + 1 );
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meshBuilder.FastIndex( startVert + 2 );
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meshBuilder.FastIndex( startVert );
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meshBuilder.FastIndex( startVert + 2 );
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meshBuilder.FastIndex( startVert + 3 );
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break;
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default:
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{
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for ( unsigned short v = 0; v < nSurfTriangleCount; ++v )
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{
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meshBuilder.FastIndex( startVert );
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meshBuilder.FastIndex( startVert + v + 1 );
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meshBuilder.FastIndex( startVert + v + 2 );
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}
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}
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break;
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}
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}
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inline void BuildIndicesForWorldSurface( CMeshBuilder &meshBuilder, SurfaceHandle_t surfID, worldbrushdata_t *pData )
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{
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if ( SurfaceHasPrims(surfID) )
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{
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mprimitive_t *pPrim = &pData->primitives[MSurf_FirstPrimID( surfID, pData )];
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Assert(pPrim->vertCount==0);
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unsigned short startVert = MSurf_VertBufferIndex( surfID );
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Assert( pPrim->indexCount == ((MSurf_VertCount( surfID ) - 2)*3));
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for ( int primIndex = 0; primIndex < pPrim->indexCount; primIndex++ )
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{
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meshBuilder.FastIndex( pData->primindices[pPrim->firstIndex + primIndex] + startVert );
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}
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}
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else
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{
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BuildIndicesForSurface( meshBuilder, surfID );
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}
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}
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#else
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inline void BuildIndicesForSurface( CIndexBufferBuilder &indexBufferBuilder, SurfaceHandle_t surfID )
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{
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int nSurfTriangleCount = MSurf_VertCount( surfID ) - 2;
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unsigned short startVert = MSurf_VertBufferIndex( surfID );
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Assert(startVert!=0xFFFF);
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// NOTE: This switch appears to help performance
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// add surface to this batch
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switch (nSurfTriangleCount)
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{
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case 1:
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indexBufferBuilder.FastIndex( startVert );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) );
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indexBufferBuilder.FastIndex( startVert + 1 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 1 ) );
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indexBufferBuilder.FastIndex( startVert + 2 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 2 ) );
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break;
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case 2:
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indexBufferBuilder.FastIndex( startVert );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) );
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indexBufferBuilder.FastIndex( startVert + 1 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 1 ) );
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indexBufferBuilder.FastIndex( startVert + 2 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 2 ) );
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indexBufferBuilder.FastIndex( startVert );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) );
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indexBufferBuilder.FastIndex( startVert + 2 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 2 ) );
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indexBufferBuilder.FastIndex( startVert + 3 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + 3 ) );
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break;
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default:
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{
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for ( unsigned short v = 0; v < nSurfTriangleCount; ++v )
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{
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indexBufferBuilder.FastIndex( startVert );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert ) );
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indexBufferBuilder.FastIndex( startVert + v + 1 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + v + 1 ) );
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indexBufferBuilder.FastIndex( startVert + v + 2 );
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Warning( "BuildIndicesForSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( startVert + v + 2 ) );
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}
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}
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break;
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}
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}
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inline void BuildIndicesForWorldSurface( CIndexBufferBuilder &indexBufferBuilder, SurfaceHandle_t surfID, worldbrushdata_t *pData )
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{
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if ( SurfaceHasPrims(surfID) )
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{
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mprimitive_t *pPrim = &pData->primitives[MSurf_FirstPrimID( surfID, pData )];
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Assert(pPrim->vertCount==0);
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unsigned short startVert = MSurf_VertBufferIndex( surfID );
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Assert( pPrim->indexCount == ((MSurf_VertCount( surfID ) - 2)*3));
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for ( int primIndex = 0; primIndex < pPrim->indexCount; primIndex++ )
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{
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indexBufferBuilder.FastIndex( pData->primindices[pPrim->firstIndex + primIndex] + startVert );
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Warning( "BuildIndicesForWorldSurface: indexBufferBuilder.FastIndex( %d )\n", ( int )( pData->primindices[pPrim->firstIndex + primIndex] + startVert ) );
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}
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}
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else
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{
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BuildIndicesForSurface( indexBufferBuilder, surfID );
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}
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}
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#endif
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#endif // GL_RSURF_H
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