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https://github.com/ZDoom/gzdoom-gles.git
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106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source 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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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// DESCRIPTION:
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// Rendering of moving objects, sprites.
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//
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//-----------------------------------------------------------------------------
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#ifndef __R_THINGS__
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#define __R_THINGS__
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// [RH] Particle details
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struct particle_t
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{
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fixed_t x,y,z;
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fixed_t velx,vely,velz;
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fixed_t accx,accy,accz;
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byte ttl;
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byte trans;
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byte size;
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byte fade;
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int color;
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WORD tnext;
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WORD snext;
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};
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extern int NumParticles;
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extern int ActiveParticles;
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extern int InactiveParticles;
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extern particle_t *Particles;
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const WORD NO_PARTICLE = 0xffff;
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inline particle_t *NewParticle (void)
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{
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particle_t *result = NULL;
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if (InactiveParticles != NO_PARTICLE)
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{
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result = Particles + InactiveParticles;
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InactiveParticles = result->tnext;
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result->tnext = ActiveParticles;
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ActiveParticles = (int)(result - Particles);
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}
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return result;
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}
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void R_InitParticles ();
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void R_ClearParticles ();
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void R_DrawParticle (vissprite_t *);
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void R_ProjectParticle (particle_t *, const sector_t *sector, int shade, int fakeside);
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void R_FindParticleSubsectors ();
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extern TArray<WORD> ParticlesInSubsec;
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extern int MaxVisSprites;
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extern vissprite_t **vissprites, **firstvissprite;
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extern vissprite_t **vissprite_p;
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// Constant arrays used for psprite clipping
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// and initializing clipping.
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extern short zeroarray[MAXWIDTH];
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extern short screenheightarray[MAXWIDTH];
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// vars for R_DrawMaskedColumn
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extern short* mfloorclip;
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extern short* mceilingclip;
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extern fixed_t spryscale;
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extern fixed_t sprtopscreen;
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extern bool sprflipvert;
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extern fixed_t pspritexscale;
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extern fixed_t pspriteyscale;
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extern fixed_t pspritexiscale;
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void R_DrawMaskedColumn (const BYTE *column, const FTexture::Span *spans);
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void R_CacheSprite (spritedef_t *sprite);
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void R_SortVisSprites (int (STACK_ARGS *compare)(const void *, const void *), size_t first);
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void R_AddSprites (sector_t *sec, int lightlevel, int fakeside);
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void R_AddPSprites ();
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void R_DrawSprites ();
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void R_InitSprites ();
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void R_ClearSprites ();
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void R_DrawMasked ();
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void R_ClipVisSprite (vissprite_t *vis, int xl, int xh);
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#endif
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