SRB2/src/hardware/hw_glob.h

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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright (C) 1998-2000 by DooM Legacy Team.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
//-----------------------------------------------------------------------------
/// \file
/// \brief globals (shared data & code) for hw_ modules
#ifndef _HWR_GLOB_H_
#define _HWR_GLOB_H_
#include "hw_defs.h"
#include "hw_main.h"
#include "../m_misc.h"
// the original aspect ratio of Doom graphics isn't square
#define ORIGINAL_ASPECT (320.0f/200.0f)
// -----------
// structures
// -----------
// a vertex of a Doom 'plane' polygon
typedef struct
{
float x;
float y;
float z;
} polyvertex_t;
#ifdef _MSC_VER
#pragma warning(disable : 4200)
#endif
// a convex 'plane' polygon, clockwise order
typedef struct
{
INT32 numpts;
polyvertex_t pts[0];
} poly_t;
#ifdef _MSC_VER
#pragma warning(default : 4200)
#endif
// holds extra info for 3D render, for each subsector in subsectors[]
typedef struct
{
poly_t *planepoly; // the generated convex polygon
} extrasubsector_t;
// needed for sprite rendering
// equivalent of the software renderer's vissprites
typedef struct gr_vissprite_s
{
// Doubly linked list
struct gr_vissprite_s *prev;
struct gr_vissprite_s *next;
float x1, x2;
float tz, ty;
lumpnum_t patchlumpnum;
boolean flip;
UINT8 translucency; //alpha level 0-255
mobj_t *mobj;
boolean precip; // Tails 08-25-2002
boolean vflip;
//Hurdler: 25/04/2000: now support colormap in hardware mode
UINT8 *colormap;
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INT32 dispoffset; // copy of info->dispoffset, affects ordering but not drawing
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} gr_vissprite_t;
// --------
// hw_bsp.c
// --------
extern extrasubsector_t *extrasubsectors;
extern size_t addsubsector;
void HWR_InitPolyPool(void);
void HWR_FreePolyPool(void);
// --------
// hw_cache.c
// --------
void HWR_InitTextureCache(void);
void HWR_FreeTextureCache(void);
void HWR_FreeExtraSubsectors(void);
void HWR_GetFlat(lumpnum_t flatlumpnum);
GLTexture_t *HWR_GetTexture(INT32 tex);
void HWR_GetPatch(GLPatch_t *gpatch);
void HWR_GetMappedPatch(GLPatch_t *gpatch, const UINT8 *colormap);
void HWR_UnlockCachedPatch(GLPatch_t *gpatch);
GLPatch_t *HWR_GetPic(lumpnum_t lumpnum);
void HWR_SetPalette(RGBA_t *palette);
GLPatch_t *HWR_GetCachedGLPatchPwad(UINT16 wad, UINT16 lump);
GLPatch_t *HWR_GetCachedGLPatch(lumpnum_t lumpnum);
void HWR_GetFadeMask(lumpnum_t fademasklumpnum);
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// --------
// hw_draw.c
// --------
extern float gr_patch_scalex;
extern float gr_patch_scaley;
extern consvar_t cv_grrounddown; // on/off
extern INT32 patchformat;
extern INT32 textureformat;
extern boolean firetranslucent;
#endif //_HW_GLOB_