mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 06:34:11 +00:00
a05210d864
Lighting on alias models seems to be borked, and skies are borked in both sw renderers (seems to be nothing to do with this commit, though).
262 lines
6.8 KiB
C
262 lines
6.8 KiB
C
/*
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d_iface.h
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Interface header file for rasterization driver modules
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Copyright (C) 1996-1997 Id Software, Inc.
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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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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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef _D_IFACE_H
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#define _D_IFACE_H
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#include "QF/iqm.h"
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#include "QF/mathlib.h"
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#include "QF/model.h"
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#include "QF/render.h"
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#include "QF/vid.h"
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#define WARP_WIDTH 320
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#define WARP_HEIGHT 200
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#define MAX_LBM_HEIGHT 1024
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typedef struct {
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struct tex_s **skins;
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iqmblend_t *blend_palette; // includes base data from iqm
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int palette_size; // includes base data from iqm
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iqmvertexarray *position;
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iqmvertexarray *texcoord;
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iqmvertexarray *normal;
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iqmvertexarray *bindices;
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} swiqm_t;
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typedef struct
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{
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float u, v;
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float s, t;
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float zi;
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} emitpoint_t;
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typedef enum {
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part_tex_dot,
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part_tex_spark,
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part_tex_smoke,
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} ptextype_t;
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typedef struct particle_s particle_t;
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typedef void (*pt_phys_func)(particle_t *);
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pt_phys_func R_ParticlePhysics (ptype_t type) __attribute__((pure));
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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struct particle_s
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{
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// driver-usable fields
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vec3_t org;
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int color;
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float alpha;
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ptextype_t tex;
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float scale;
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// drivers never touch the following fields
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vec3_t vel;
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ptype_t type;
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float die;
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float ramp;
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pt_phys_func phys;
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particle_t *next;
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};
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#define PARTICLE_Z_CLIP 8.0
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typedef struct polyvert_s {
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float u, v, zi, s, t;
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} polyvert_t;
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typedef struct polydesc_s {
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int numverts;
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float nearzi;
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msurface_t *pcurrentface;
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polyvert_t *pverts;
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} polydesc_t;
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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typedef struct finalvert_s {
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int v[6]; // u, v, s, t, l, 1/z
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int flags;
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float reserved;
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} finalvert_t;
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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typedef struct
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{
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void *pskin;
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int skinwidth;
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int skinheight;
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mtriangle_t *ptriangles;
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finalvert_t *pfinalverts;
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int numtriangles;
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int drawtype;
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int seamfixupX16;
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} affinetridesc_t;
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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typedef struct {
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float u, v, zi, color;
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} screenpart_t;
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typedef struct
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{
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int nump;
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emitpoint_t *pverts; // there's room for an extra element at [nump],
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// if the driver wants to duplicate element [0] at
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// element [nump] to avoid dealing with wrapping
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mspriteframe_t *pspriteframe;
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vec3_t vup, vright, vpn; // in worldspace
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float nearzi;
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} spritedesc_t;
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typedef struct
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{
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int u, v;
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float zi;
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int color;
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} zpointdesc_t;
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extern struct cvar_s *r_drawflat;
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extern int r_framecount; // sequence # of current frame since Quake
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// started
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extern qboolean r_drawpolys; // 1 if driver wants clipped polygons
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// rather than a span list
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extern qboolean r_drawculledpolys; // 1 if driver wants clipped polygons that
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// have been culled by the edge list
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extern qboolean r_worldpolysbacktofront; // 1 if driver wants polygons
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// delivered back to front rather
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// than front to back
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extern qboolean r_recursiveaffinetriangles; // true if a driver wants to use
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// recursive triangular subdivison
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// and vertex drawing via
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// D_PolysetDrawFinalVerts() past
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// a certain distance (normally
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// used only by the software
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// driver)
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extern qboolean r_dowarp;
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extern affinetridesc_t r_affinetridesc;
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extern spritedesc_t r_spritedesc;
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extern zpointdesc_t r_zpointdesc;
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extern int d_con_indirect; // if 0, Quake will draw console directly
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// to vid.buffer; if 1, Quake will
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// draw console via D_DrawRect. Must be
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// defined by driver
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extern vec3_t r_pright, r_pup, r_ppn;
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void D_Aff8Patch (void *pcolormap);
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void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height);
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void D_DisableBackBufferAccess (void);
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void D_EndDirectRect (int x, int y, int width, int height);
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void D_PolysetDraw (void);
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void D_PolysetDrawFinalVerts (finalvert_t *fv, int numverts);
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void D_PolysetSetEdgeTable (void);
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void D_DrawParticle (particle_t *pparticle);
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void D_DrawPoly (void);
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void D_DrawSprite (void);
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void D_DrawSurfaces (void);
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void D_DrawZPoint (void);
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void D_EnableBackBufferAccess (void);
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void D_Init (void);
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void D_Init_Cvars (void);
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void D_ViewChanged (void);
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void D_SetupFrame (void);
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void D_TurnZOn (void);
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void D_WarpScreen (void);
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void D_FillRect (vrect_t *vrect, int color);
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void D_DrawRect (void);
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void D_UpdateRects (vrect_t *prect);
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// currently for internal use only, and should be a do-nothing function in
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// hardware drivers
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// FIXME: this should go away
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void D_PolysetUpdateTables (void);
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// these are currently for internal use only, and should not be used by drivers
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extern byte *r_skysource;
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// transparency types for D_DrawRect ()
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#define DR_SOLID 0
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#define DR_TRANSPARENT 1
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// !!! must be kept the same as in quakeasm.h !!!
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#define TRANSPARENT_COLOR 0xFF
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extern void *acolormap; // FIXME: should go away
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//=======================================================================//
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// callbacks to Quake
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typedef struct
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{
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byte *surfdat; // destination for generated surface
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int rowbytes; // destination logical width in bytes
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msurface_t *surf; // description for surface to generate
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fixed8_t lightadj[MAXLIGHTMAPS];
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// adjust for lightmap levels for dynamic lighting
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texture_t *texture; // corrected for animating textures
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int surfmip; // mipmapped ratio of surface texels / world pixels
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int surfwidth; // in mipmapped texels
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int surfheight; // in mipmapped texels
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} drawsurf_t;
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extern drawsurf_t r_drawsurf;
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void R_DrawSurface (void);
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void R_GenTile (msurface_t *psurf, void *pdest);
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// !!! if this is changed, it must be changed in d_iface.h too !!!
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#define CACHE_SIZE 32 // used to align key data structures
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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#define TURB_TEX_SIZE 64 // base turbulent texture size
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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#define CYCLE 128 // turbulent cycle size
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#define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf
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#define SKYSHIFT 7
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#define SKYSIZE (1 << SKYSHIFT)
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#define SKYMASK (SKYSIZE - 1)
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extern float d_zitable[65536];
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extern float r_skyspeed;
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extern float r_skytime;
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extern int c_surf;
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extern byte *r_warpbuffer;
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#endif // _D_IFACE_H
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