74 lines
1.7 KiB
C
74 lines
1.7 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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// $NoKeywords: $
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//=============================================================================//
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#ifndef DECAL_CLIP_H
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#define DECAL_CLIP_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 "mathlib/vector2d.h"
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#include "mathlib/compressed_vector.h"
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#include "materialsystem/imaterialsystem.h"
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#include "materialsystem/imaterial.h"
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#include "filesystem.h"
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#include "decal_private.h"
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#include "gl_model_private.h"
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#define MAX_DECALCLIPVERT 48
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class CDecalVert
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{
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public:
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Vector m_vPos;
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int m_decalIndex; // used by the cache code
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// These are the texcoords for the decal itself
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Vector2D m_ctCoords;
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// Lightmap texcoords for the decal.
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Vector2D m_cLMCoords;
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};
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// Clip pOutVerts/nStartVerts into the decal's texture space.
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CDecalVert* R_DoDecalSHClip(
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CDecalVert *pInVerts,
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CDecalVert *pOutVerts,
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decal_t *pDecal,
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int nStartVerts,
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const Vector &vecNormal );
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// Generate clipped vertex list for decal pdecal projected onto polygon psurf
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CDecalVert* R_DecalVertsClip(
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CDecalVert *pOutVerts,
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decal_t *pDecal,
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SurfaceHandle_t surfID,
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IMaterial *pMaterial );
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// Compute the unscaled basis for the decal.
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void R_DecalComputeBasis(
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Vector const& surfaceNormal,
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Vector const* pSAxis,
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Vector* textureSpaceBasis );
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// Compute the basis for the decal and scale the axes so the whole decal fits
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// into the (0,0) - (1,1) range.
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void R_SetupDecalTextureSpaceBasis(
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decal_t *pDecal,
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Vector &vSurfNormal,
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IMaterial *pMaterial,
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Vector textureSpaceBasis[3],
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float decalWorldScale[2] );
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extern ALIGN16 CDecalVert g_DecalClipVerts[MAX_DECALCLIPVERT] ALIGN16_POST;
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#endif // DECAL_CLIP_H
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