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utils/vbsp/disp_vbsp.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef VBSP_DISPINFO_H
+#define VBSP_DISPINFO_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "vbsp.h"
+
+
+
+class CCoreDispInfo;
+
+
+extern CUtlVector<CCoreDispInfo*> g_CoreDispInfos;
+
+
+// Setup initial entries in g_dispinfo with some of the vertex data from the mapdisps.
+void EmitInitialDispInfos();
+
+// Resample vertex alpha into lightmap alpha for displacement surfaces so LOD popping artifacts are 
+// less noticeable on the mid-to-high end.
+//
+// Also builds neighbor data.
+void EmitDispLMAlphaAndNeighbors();
+
+// Setup a CCoreDispInfo given a mapdispinfo_t.
+// If pFace is non-NULL, then lightmap texture coordinates will be generated.
+void DispMapToCoreDispInfo( mapdispinfo_t *pMapDisp,
+	CCoreDispInfo *pCoreDispInfo, dface_t *pFace, int *pSwappedTexInfos );
+
+
+void DispGetFaceInfo( mapbrush_t *pBrush );
+bool HasDispInfo( mapbrush_t *pBrush );
+
+// Computes the bounds for a disp info
+void ComputeDispInfoBounds( int dispinfo, Vector& mins, Vector& maxs );
+
+#endif // VBSP_DISPINFO_H