1 files changed, 141 insertions, 0 deletions
diff --git a/utils/vrad/lightmap.h b/utils/vrad/lightmap.h
new file mode 100644
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--- /dev/null
+++ b/utils/vrad/lightmap.h
@@ -0,0 +1,141 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef LIGHTMAP_H
+#define LIGHTMAP_H
+#pragma once
+
+#include "mathlib/bumpvects.h"
+#include "bsplib.h"
+
+typedef struct
+{
+	dface_t		*faces[2];
+	Vector		interface_normal;
+	qboolean	coplanar;
+} edgeshare_t;
+
+extern edgeshare_t	edgeshare[MAX_MAP_EDGES];
+
+
+//==============================================
+
+// This is incremented each time BuildFaceLights and FinalLightFace
+// are called. It's used for a status bar in WorldCraft.
+extern int g_iCurFace;
+
+extern int vertexref[MAX_MAP_VERTS];
+extern int *vertexface[MAX_MAP_VERTS];
+
+struct faceneighbor_t
+{
+	int		numneighbors;			// neighboring faces that share vertices
+	int		*neighbor;				// neighboring face list (max of 64)
+
+	Vector	*normal;				// adjusted normal per vertex
+	Vector	facenormal;				// face normal
+
+	bool	bHasDisp;				// is this surface a displacement surface???
+};
+
+extern faceneighbor_t faceneighbor[MAX_MAP_FACES];
+
+//==============================================
+
+
+struct sample_t
+{
+	// in local luxel space
+	winding_t	*w;
+	int			s, t;
+	Vector2D	coord;	
+	Vector2D	mins;
+	Vector2D	maxs;
+	// in world units
+	Vector		pos;
+	Vector		normal;
+	float		area;	
+};
+
+struct facelight_t
+{
+	// irregularly shaped light sample data, clipped by face and luxel grid
+	int			numsamples;
+	sample_t	*sample;			
+	LightingValue_t *light[MAXLIGHTMAPS][NUM_BUMP_VECTS+1];	// result of direct illumination, indexed by sample
+
+	// regularly spaced lightmap grid
+	int			numluxels;			
+	Vector		*luxel;				// world space position of luxel
+	Vector		*luxelNormals;		// world space normal of luxel
+	float		worldAreaPerLuxel;
+};
+
+extern directlight_t	*activelights;
+extern directlight_t	*freelights;
+
+extern facelight_t		facelight[MAX_MAP_FACES];
+extern int				numdlights;
+
+
+//==============================================
+
+struct lightinfo_t
+{
+	vec_t	facedist;
+	Vector	facenormal;
+
+	Vector	facemid;		// world coordinates of center
+
+	Vector	modelorg;		// for origined bmodels
+
+	Vector	luxelOrigin;
+	Vector	worldToLuxelSpace[2]; // s = (world - luxelOrigin) . worldToLuxelSpace[0], t = (world - luxelOrigin) . worldToLuxelSpace[1]
+	Vector	luxelToWorldSpace[2]; // world = luxelOrigin + s * luxelToWorldSpace[0] + t * luxelToWorldSpace[1]
+
+	int		facenum;
+	dface_t	*face;
+
+	int		isflat;
+	int		hasbumpmap;
+};
+
+struct SSE_SampleInfo_t
+{
+	int		m_FaceNum;
+	int		m_WarnFace;
+	dface_t	*m_pFace;
+	facelight_t	*m_pFaceLight;
+	int		m_LightmapWidth;
+	int		m_LightmapHeight;
+	int		m_LightmapSize;
+	int		m_NormalCount;
+	int		m_iThread;
+	texinfo_t	*m_pTexInfo;
+	bool	m_IsDispFace;
+
+	int          m_NumSamples;
+	int          m_NumSampleGroups;
+	int	        m_Clusters[4];
+	FourVectors	m_Points;
+	FourVectors	m_PointNormals[ NUM_BUMP_VECTS + 1 ];
+};
+
+extern void InitLightinfo( lightinfo_t *l, int facenum );
+
+void FreeDLights();
+
+void ExportDirectLightsToWorldLights();
+
+
+#endif // LIGHTMAP_H