127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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//-----------------------------------------------------------------------------
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/// \file
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/// \brief globals (shared data & code) for hw_ modules
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#ifndef _HWR_GLOB_H_
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#define _HWR_GLOB_H_
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#include "hw_defs.h"
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#include "hw_main.h"
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#include "../m_misc.h"
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// the original aspect ratio of Doom graphics isn't square
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#define ORIGINAL_ASPECT (320.0f/200.0f)
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// Uncomment this to enable the OpenGL loading screen
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//#define HWR_LOADING_SCREEN
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// -----------
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// structures
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// -----------
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// a vertex of a Doom 'plane' polygon
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typedef struct
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{
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float x;
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float y;
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float z;
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} polyvertex_t;
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#ifdef _MSC_VER
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#pragma warning(disable : 4200)
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#endif
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// a convex 'plane' polygon, clockwise order
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typedef struct
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{
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INT32 numpts;
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polyvertex_t pts[0];
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} poly_t;
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#ifdef _MSC_VER
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#pragma warning(default : 4200)
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#endif
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// holds extra info for 3D render, for each subsector in subsectors[]
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typedef struct
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{
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poly_t *planepoly; // the generated convex polygon
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} extrasubsector_t;
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// needed for sprite rendering
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// equivalent of the software renderer's vissprites
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typedef struct gr_vissprite_s
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{
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// Doubly linked list
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struct gr_vissprite_s *prev;
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struct gr_vissprite_s *next;
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float x1, x2;
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float z1, z2;
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float tz, ty;
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lumpnum_t patchlumpnum;
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boolean flip;
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UINT8 translucency; //alpha level 0-255
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mobj_t *mobj;
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boolean precip; // Tails 08-25-2002
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boolean vflip;
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//Hurdler: 25/04/2000: now support colormap in hardware mode
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UINT8 *colormap;
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INT32 dispoffset; // copy of info->dispoffset, affects ordering but not drawing
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} gr_vissprite_t;
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// --------
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// hw_bsp.c
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// --------
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extern extrasubsector_t *extrasubsectors;
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extern size_t addsubsector;
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void HWR_InitPolyPool(void);
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void HWR_FreePolyPool(void);
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// --------
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// hw_cache.c
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// --------
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void HWR_InitTextureCache(void);
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void HWR_FreeTextureCache(void);
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void HWR_FreeExtraSubsectors(void);
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void HWR_GetFlat(lumpnum_t flatlumpnum);
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GLTexture_t *HWR_GetTexture(INT32 tex);
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void HWR_GetPatch(GLPatch_t *gpatch);
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void HWR_GetMappedPatch(GLPatch_t *gpatch, const UINT8 *colormap);
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void HWR_UnlockCachedPatch(GLPatch_t *gpatch);
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GLPatch_t *HWR_GetPic(lumpnum_t lumpnum);
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void HWR_SetPalette(RGBA_t *palette);
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GLPatch_t *HWR_GetCachedGLPatchPwad(UINT16 wad, UINT16 lump);
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GLPatch_t *HWR_GetCachedGLPatch(lumpnum_t lumpnum);
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void HWR_GetFadeMask(lumpnum_t fademasklumpnum);
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// --------
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// hw_draw.c
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// --------
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extern float gr_patch_scalex;
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extern float gr_patch_scaley;
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extern consvar_t cv_grrounddown; // on/off
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extern INT32 patchformat;
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extern INT32 textureformat;
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extern boolean firetranslucent;
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#endif //_HW_GLOB_
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