2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 // refresh.h -- public interface to refresh functions
24 extern char skyname[];
25 extern void R_SetSkyBox(char* sky);
26 extern void LoadSky_f(void);
27 extern rtexture_t *solidskytexture;
28 extern rtexture_t *alphaskytexture;
29 extern float speedscale; // for top sky and bottom sky
31 // far clip distance for scene
32 extern cvar_t r_farclip;
35 extern void FOG_clear(void);
36 extern float fog_density, fog_red, fog_green, fog_blue;
38 // SHOWLMP stuff (Nehahra)
39 extern void SHOWLMP_decodehide(void);
40 extern void SHOWLMP_decodeshow(void);
41 extern void SHOWLMP_drawall(void);
42 extern void SHOWLMP_clear(void);
44 // render profiling stuff
45 extern qboolean intimerefresh;
46 extern cvar_t r_speeds2;
47 extern char r_speeds2_string1[81], r_speeds2_string2[81], r_speeds2_string3[81], r_speeds2_string4[81], r_speeds2_string5[81], r_speeds2_string6[81], r_speeds2_string7[81];
50 extern vec3_t lightspot;
51 extern cvar_t r_ambient;
53 // model rendering stuff
54 extern float *aliasvert;
55 extern float *aliasvertnorm;
56 extern byte *aliasvertcolor;
57 extern float modelalpha;
60 extern cvar_t r_novis;
62 // model transform stuff
63 extern cvar_t gl_transform;
65 #define TOP_RANGE 16 // soldier uniform colors
66 #define BOTTOM_RANGE 96
68 //=============================================================================
70 typedef struct entity_s
72 entity_state_t state_baseline; // baseline for entity
73 entity_state_t state_previous; // previous state (interpolating from this)
74 entity_state_t state_current; // current state (interpolating to this)
81 // LordHavoc: added support for alpha transprency and other effects
82 float alpha; // opacity (alpha) of the model
83 float colormod[3]; // color tint for model
84 float scale; // size the model is shown
85 float glowsize; // how big the glow is
86 byte glowcolor; // color of glow and particle trail (paletted)
87 byte flags; // render flags
89 struct model_s *model; // NULL = no model
90 int frame; // current desired frame (usually identical to frame2, but frame2 is not always used)
92 int effects; // light, particles, etc
93 int skinnum; // for Alias models
95 int visframe; // last frame this entity was found in an active leaf
97 struct model_s *lerp_model; // lerp resets when model changes
98 double lerp_starttime; // start of this transition
99 int frame1; // frame that the model is interpolating from
100 int frame2; // frame that the model is interpolating to
101 double framelerp; // interpolation factor, usually computed from lerp_starttime
102 double frame1start; // time frame1 began playing (for framegroup animations)
103 double frame2start; // time frame2 began playing (for framegroup animations)
105 int dlightframe; // dynamic lighting
115 vrect_t vrect; // subwindow in video for refresh
116 // FIXME: not need vrect next field here?
118 vrect_t aliasvrect; // scaled Alias version
119 int vrectright, vrectbottom; // right & bottom screen coords
120 int aliasvrectright, aliasvrectbottom; // scaled Alias versions
121 float vrectrightedge; // rightmost right edge we care about,
122 // for use in edge list
123 float fvrectx, fvrecty; // for floating-point compares
124 float fvrectx_adj, fvrecty_adj; // left and top edges, for clamping
125 int vrect_x_adj_shift20; // (vrect.x + 0.5 - epsilon) << 20
126 int vrectright_adj_shift20; // (vrectright + 0.5 - epsilon) << 20
127 float fvrectright_adj, fvrectbottom_adj;
128 // right and bottom edges, for clamping
129 float fvrectright; // rightmost edge, for Alias clamping
130 float fvrectbottom; // bottommost edge, for Alias clamping
131 float horizontalFieldOfView; // at Z = 1.0, this many X is visible
133 float xOrigin; // should probably always be 0.5
134 float yOrigin; // between be around 0.3 to 0.5
151 extern refdef_t r_refdef;
152 extern vec3_t r_origin, vpn, vright, vup;
153 extern qboolean hlbsp;
156 void R_RenderView (void); // must set r_refdef first
157 void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect); // called whenever r_refdef or vid change
159 // LordHavoc: changed this for sake of GLQuake
160 void R_InitSky (byte *src, int bytesperpixel); // called at level load
162 int R_VisibleCullBox (vec3_t mins, vec3_t maxs);
164 void R_NewMap (void);
166 #include "r_decals.h"
168 void R_ParseParticleEffect (void);
169 void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count);
170 void R_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent);
171 void R_RocketTrail2 (vec3_t start, vec3_t end, int type, entity_t *ent);
172 void R_SparkShower (vec3_t org, vec3_t dir, int count);
173 void R_BloodPuff (vec3_t org, vec3_t vel, int count);
174 void R_FlameCube (vec3_t mins, vec3_t maxs, int count);
175 void R_Flames (vec3_t org, vec3_t vel, int count);
177 void R_EntityParticles (entity_t *ent);
178 void R_BlobExplosion (vec3_t org);
179 void R_ParticleExplosion (vec3_t org, int smoke);
180 void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength);
181 void R_LavaSplash (vec3_t org);
182 void R_TeleportSplash (vec3_t org);
184 void R_NewExplosion(vec3_t org);
186 void R_PushDlights (void);
187 void R_DrawWorld (void);
188 //void R_RenderDlights (void);
189 void R_DrawParticles (void);
190 void R_MoveParticles (void);
191 void R_DrawExplosions (void);
192 void R_MoveExplosions (void);