common/r_things.h

Go to the documentation of this file.

// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// $Id: r_things.h 1788 2010-08-24 04:42:57Z russellrice $
//
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 2006-2010 by The Odamex 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.
//
// DESCRIPTION:
//      Rendering of moving objects, sprites.
//
//-----------------------------------------------------------------------------


#ifndef __R_THINGS__
#define __R_THINGS__

// [RH] Particle details
struct particle_s {
        fixed_t x,y,z;
        fixed_t velx,vely,velz;
        fixed_t accx,accy,accz;
        byte    ttl;
        byte    trans;
        byte    size;
        byte    fade;
        int             color;
        int             next;
};
typedef struct particle_s particle_t;

extern int      NumParticles;
extern int      ActiveParticles;
extern int      InactiveParticles;
extern particle_t *Particles;

#ifdef _MSC_VER
__inline particle_t *NewParticle (void)
{
        particle_t *result = NULL;
        if (InactiveParticles != -1) {
                result = Particles + InactiveParticles;
                InactiveParticles = result->next;
                result->next = ActiveParticles;
                ActiveParticles = result - Particles;
        }
        return result;
}
#else
particle_t *NewParticle (void);
#endif
void R_InitParticles (void);
void R_ClearParticles (void);
void R_DrawParticle (vissprite_t *, int, int);
void R_ProjectParticle (particle_t *);


extern int MaxVisSprites;

extern vissprite_t              *vissprites;
extern vissprite_t*     vissprite_p;
extern vissprite_t              vsprsortedhead;

// Constant arrays used for psprite clipping
//      and initializing clipping.
extern int                      *negonearray;
extern int                      *screenheightarray;

// vars for R_DrawMaskedColumn
extern int*                     mfloorclip;
extern int*                     mceilingclip;
extern fixed_t          spryscale;
extern fixed_t          sprtopscreen;

extern fixed_t          pspritexscale;
extern fixed_t          pspriteyscale;
extern fixed_t          pspritexiscale;


void R_DrawMaskedColumn (column_t* column);


void R_CacheSprite (spritedef_t *sprite);
void R_SortVisSprites (void);
void R_AddSprites (sector_t *sec, int lightlevel);
void R_AddPSprites (void);
void R_DrawSprites (void);
void R_InitSprites (const char** namelist);
void R_ClearSprites (void);
void R_DrawMasked (void);

#endif