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