source-engine-2018-hl2_src/utils/vbsp/disp_vbsp.h

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2020-04-23 00:56:21 +08:00
//========= 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