284 lines
8.9 KiB
C
284 lines
8.9 KiB
C
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//===== Copyright <20> 1996-2005, 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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class CVolumeCuller;
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struct LightmapUpdateInfo_t
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{
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SurfaceHandle_t m_SurfHandle;
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int m_nDlightMask;
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short m_nTransformIndex;
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bool m_bNeedsLightmap;
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bool m_bNeedsBumpmap;
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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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#if defined(_PS3)
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IWorldRenderList *AllocWorldRenderList_PS3( int viewID );
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#endif
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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( IMatRenderContext *pRenderContext, IWorldRenderList *pRenderList, unsigned long flags, float waterZAdjust );
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#if defined(_PS3)
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void R_BuildWorldLists_PS3_Epilogue( IWorldRenderList *pRenderListIn, WorldListInfo_t* pInfo, bool bShadowDepth );
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void R_FrameEndSPURSSync( int flags );
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#else
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void R_BuildWorldLists_Epilogue( IWorldRenderList *pRenderListIn, WorldListInfo_t* pInfo, bool bShadowDepth );
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#endif
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void R_GetWorldListIndicesInfo( WorldListIndicesInfo_t * pInfoOut, IWorldRenderList *pRenderList, unsigned long nFlags );
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int R_GetNumIndicesForWorldList( IWorldRenderList *pRenderList, unsigned long nFlags );
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void R_GetVisibleFogVolume( const Vector& vEyePoint, const VisOverrideData_t *pVisOverrideData, 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( IMatRenderContext *pRenderContext, IWorldRenderList *pRenderList, int *pSortList, int sortCount, unsigned long flags );
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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_TopViewNoBackfaceCulling( bool bDisable );
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void R_TopViewNoVisCheck( bool bDisable );
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void R_TopViewBounds( const Vector2D & mins, const Vector2D & maxs );
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void R_SetTopViewVolumeCuller( const CVolumeCuller *pTopViewVolumeCuller );
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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_t DepthMode, bool bDrawOpaque, bool bDrawTranslucent );
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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 matrix3x4a_t& brushModelToWorld,
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bool bShadowDepth, bool bDrawOpaque, bool bDrawTranslucent );
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// Draws arrays of brush models
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void R_DrawBrushModelArray( IMatRenderContext* pRenderContext, int nCount,
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const BrushArrayInstanceData_t *pInstanceData, int nModelTypeFlags );
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// Draws arrays of brush models( this version is used by queued render contexts)
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inline void R_DrawBrushModelArray( int nCount,
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const BrushArrayInstanceData_t *pInstanceData, int nModelTypeFlags )
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{
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CMatRenderContextPtr pRenderContext( g_pMaterialSystem );
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R_DrawBrushModelArray( pRenderContext, nCount, pInstanceData, nModelTypeFlags );
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}
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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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inline int BuildIndicesForSurface( CIndexBuilder &meshBuilder, SurfaceHandle_t surfID )
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{
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int nSurfTriangleCount = MSurf_VertCount( surfID ) - 2;
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int 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.FastTriangle(startVert);
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break;
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case 2:
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meshBuilder.FastQuad(startVert);
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break;
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default:
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meshBuilder.FastPolygon(startVert, nSurfTriangleCount);
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break;
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}
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return nSurfTriangleCount;
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}
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inline void BuildIndicesForWorldSurface( CIndexBuilder &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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CIndexBuilder &indexBuilder = meshBuilder;
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indexBuilder.FastIndexList( &pData->primindices[pPrim->firstIndex], startVert, pPrim->indexCount );
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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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// each surface has an index to the first vertex in the depth fill VB
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extern CUtlVector<uint16> g_DepthFillVBFirstVertexForSurface;
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inline int BuildDepthFillIndicesForSurface( CIndexBuilder &meshBuilder, SurfaceHandle_t surfID )
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{
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int nSurfTriangleCount = MSurf_VertCount( surfID ) - 2;
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int startVert = g_DepthFillVBFirstVertexForSurface[ MSurf_Index(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.FastTriangle(startVert);
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break;
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case 2:
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meshBuilder.FastQuad(startVert);
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break;
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default:
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meshBuilder.FastPolygon(startVert, nSurfTriangleCount);
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break;
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}
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return nSurfTriangleCount;
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}
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inline void BuildDepthFillIndicesForWorldSurface( CIndexBuilder &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 = g_DepthFillVBFirstVertexForSurface[ MSurf_Index(surfID )];
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Assert( pPrim->indexCount == ((MSurf_VertCount( surfID ) - 2)*3));
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CIndexBuilder &indexBuilder = meshBuilder;
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indexBuilder.FastIndexList( &pData->primindices[pPrim->firstIndex], startVert, pPrim->indexCount );
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}
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else
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{
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BuildDepthFillIndicesForSurface( meshBuilder, surfID );
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}
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}
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inline int GetIndexCountForWorldSurface( SurfaceHandle_t surfID )
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{
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return ( MSurf_VertCount( surfID ) - 2 ) * 3;
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}
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struct CShaderDebug
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{
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bool wireframe;
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bool normals;
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bool luxels;
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bool bumpBasis;
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bool surfacematerials;
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bool anydebug;
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int surfaceid;
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void TestAnyDebug()
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{
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anydebug = wireframe || normals || luxels || bumpBasis || ( surfaceid != 0 ) || surfacematerials;
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}
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};
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extern CShaderDebug g_ShaderDebug;
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#define BRUSHMODEL_DECAL_SORT_GROUP MAX_MAT_SORT_GROUPS
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const int MAX_VERTEX_FORMAT_CHANGES = 128;
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#define BACKFACE_EPSILON -0.01f
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void Shader_GetSurfVertexAndIndexCount( SurfaceHandle_t surfaceHandle, int *pVertexCount, int *pIndexCount );
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// Draw debugging information
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void DrawDebugInformation( IMatRenderContext *pRenderContext, SurfaceHandle_t *pList, int listCount );
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void DrawDebugInformation( IMatRenderContext *pRenderContext, const matrix3x4a_t &brushToWorld, SurfaceHandle_t *pList, int listCount );
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class CBrushModelTransform
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{
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public:
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CBrushModelTransform( const Vector &origin, const QAngle &angles, IMatRenderContext *pRenderContext );
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CBrushModelTransform( const matrix3x4a_t &matrix, IMatRenderContext *pRenderContext );
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~CBrushModelTransform();
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VMatrix *GetNonIdentityMatrix();
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inline bool IsIdentity() { return m_bIdentity; }
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Vector m_savedModelorg;
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bool m_bIdentity;
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};
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#endif // GL_RSURF_H
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