//========= 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