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1.1 root 1: // r_misc.c
2:
3: #include "quakedef.h"
4: #include "r_local.h"
5:
6:
7: /*
8: ===============
9: R_CheckVariables
10: ===============
11: */
12: void R_CheckVariables (void)
13: {
14: static float oldbright;
15:
16: if (r_fullbright.value != oldbright)
17: {
18: oldbright = r_fullbright.value;
19: D_FlushCaches (); // so all lighting changes
20: }
21: }
22:
23:
24: /*
25: ============
26: Show
27:
28: Debugging use
29: ============
30: */
31: void Show (void)
32: {
33: vrect_t vr;
34:
35: vr.x = vr.y = 0;
36: vr.width = vid.width;
37: vr.height = vid.height;
38: vr.pnext = NULL;
39: VID_Update (&vr);
40: }
41:
42:
43: /*
44: ====================
45: R_TimeRefresh_f
46:
47: For program optimization
48: ====================
49: */
50: void R_TimeRefresh_f (void)
51: {
52: int i;
53: float start, stop, time;
54: int startangle;
55: vrect_t vr;
56:
57: startangle = r_refdef.viewangles[1];
58:
59: start = Sys_FloatTime ();
60: for (i=0 ; i<128 ; i++)
61: {
62: r_refdef.viewangles[1] = i/128.0*360.0;
1.1.1.2 ! root 63:
! 64: VID_LockBuffer ();
! 65:
1.1 root 66: R_RenderView ();
1.1.1.2 ! root 67:
! 68: VID_UnlockBuffer ();
! 69:
1.1 root 70: vr.x = r_refdef.vrect.x;
71: vr.y = r_refdef.vrect.y;
72: vr.width = r_refdef.vrect.width;
73: vr.height = r_refdef.vrect.height;
74: vr.pnext = NULL;
75: VID_Update (&vr);
76: }
77: stop = Sys_FloatTime ();
78: time = stop-start;
79: Con_Printf ("%f seconds (%f fps)\n", time, 128/time);
80:
81: r_refdef.viewangles[1] = startangle;
82: }
83:
84:
85: /*
86: ================
87: R_LineGraph
88:
89: Only called by R_DisplayTime
90: ================
91: */
92: void R_LineGraph (int x, int y, int h)
93: {
94: int i;
95: byte *dest;
96: int s;
97:
98: // FIXME: should be disabled on no-buffer adapters, or should be in the driver
99:
100: x += r_refdef.vrect.x;
101: y += r_refdef.vrect.y;
102:
103: dest = vid.buffer + vid.rowbytes*y + x;
104:
105: s = r_graphheight.value;
106:
107: if (h>s)
108: h = s;
109:
110: for (i=0 ; i<h ; i++, dest -= vid.rowbytes*2)
111: {
112: dest[0] = 0xff;
113: *(dest-vid.rowbytes) = 0x30;
114: }
115: for ( ; i<s ; i++, dest -= vid.rowbytes*2)
116: {
117: dest[0] = 0x30;
118: *(dest-vid.rowbytes) = 0x30;
119: }
120: }
121:
122: /*
123: ==============
124: R_TimeGraph
125:
126: Performance monitoring tool
127: ==============
128: */
129: #define MAX_TIMINGS 100
130: extern float mouse_x, mouse_y;
131: void R_TimeGraph (void)
132: {
133: static int timex;
134: int a;
135: float r_time2;
136: static byte r_timings[MAX_TIMINGS];
137: int x;
138:
139: r_time2 = Sys_FloatTime ();
140:
141: a = (r_time2-r_time1)/0.01;
142: //a = fabs(mouse_y * 0.05);
143: //a = (int)((r_refdef.vieworg[2] + 1024)/1)%(int)r_graphheight.value;
144: //a = fabs(velocity[0])/20;
145: //a = ((int)fabs(origin[0])/8)%20;
146: //a = (cl.idealpitch + 30)/5;
147: r_timings[timex] = a;
148: a = timex;
149:
150: if (r_refdef.vrect.width <= MAX_TIMINGS)
151: x = r_refdef.vrect.width-1;
152: else
153: x = r_refdef.vrect.width -
154: (r_refdef.vrect.width - MAX_TIMINGS)/2;
155: do
156: {
157: R_LineGraph (x, r_refdef.vrect.height-2, r_timings[a]);
158: if (x==0)
159: break; // screen too small to hold entire thing
160: x--;
161: a--;
162: if (a == -1)
163: a = MAX_TIMINGS-1;
164: } while (a != timex);
165:
166: timex = (timex+1)%MAX_TIMINGS;
167: }
168:
169:
170: /*
171: =============
172: R_PrintTimes
173: =============
174: */
175: void R_PrintTimes (void)
176: {
177: float r_time2;
178: float ms;
179:
180: r_time2 = Sys_FloatTime ();
181:
182: ms = 1000* (r_time2 - r_time1);
183:
184: Con_Printf ("%5.1f ms %3i/%3i/%3i poly %3i surf\n",
185: ms, c_faceclip, r_polycount, r_drawnpolycount, c_surf);
186: c_surf = 0;
187: }
188:
189:
190: /*
191: =============
192: R_PrintDSpeeds
193: =============
194: */
195: void R_PrintDSpeeds (void)
196: {
197: float ms, dp_time, r_time2, rw_time, db_time, se_time, de_time, dv_time;
198:
199: r_time2 = Sys_FloatTime ();
200:
201: dp_time = (dp_time2 - dp_time1) * 1000;
202: rw_time = (rw_time2 - rw_time1) * 1000;
203: db_time = (db_time2 - db_time1) * 1000;
204: se_time = (se_time2 - se_time1) * 1000;
205: de_time = (de_time2 - de_time1) * 1000;
206: dv_time = (dv_time2 - dv_time1) * 1000;
207: ms = (r_time2 - r_time1) * 1000;
208:
209: Con_Printf ("%3i %4.1fp %3iw %4.1fb %3is %4.1fe %4.1fv\n",
210: (int)ms, dp_time, (int)rw_time, db_time, (int)se_time, de_time,
211: dv_time);
212: }
213:
214:
215: /*
216: =============
217: R_PrintAliasStats
218: =============
219: */
220: void R_PrintAliasStats (void)
221: {
222: Con_Printf ("%3i polygon model drawn\n", r_amodels_drawn);
223: }
224:
225:
226: void WarpPalette (void)
227: {
228: int i,j;
229: byte newpalette[768];
230: int basecolor[3];
231:
232: basecolor[0] = 130;
233: basecolor[1] = 80;
234: basecolor[2] = 50;
235:
236: // pull the colors halfway to bright brown
237: for (i=0 ; i<256 ; i++)
238: {
239: for (j=0 ; j<3 ; j++)
240: {
241: newpalette[i*3+j] = (host_basepal[i*3+j] + basecolor[j])/2;
242: }
243: }
244:
245: VID_ShiftPalette (newpalette);
246: }
247:
248:
249: /*
250: ===================
251: R_TransformFrustum
252: ===================
253: */
254: void R_TransformFrustum (void)
255: {
256: int i;
257: vec3_t v, v2;
258:
259: for (i=0 ; i<4 ; i++)
260: {
261: v[0] = screenedge[i].normal[2];
262: v[1] = -screenedge[i].normal[0];
263: v[2] = screenedge[i].normal[1];
264:
265: v2[0] = v[1]*vright[0] + v[2]*vup[0] + v[0]*vpn[0];
266: v2[1] = v[1]*vright[1] + v[2]*vup[1] + v[0]*vpn[1];
267: v2[2] = v[1]*vright[2] + v[2]*vup[2] + v[0]*vpn[2];
268:
269: VectorCopy (v2, view_clipplanes[i].normal);
270:
271: view_clipplanes[i].dist = DotProduct (modelorg, v2);
272: }
273: }
274:
275:
1.1.1.2 ! root 276: #if !id386
1.1 root 277:
278: /*
279: ================
280: TransformVector
281: ================
282: */
283: void TransformVector (vec3_t in, vec3_t out)
284: {
285: out[0] = DotProduct(in,vright);
286: out[1] = DotProduct(in,vup);
287: out[2] = DotProduct(in,vpn);
288: }
289:
290: #endif
291:
292:
293: /*
294: ================
295: R_TransformPlane
296: ================
297: */
298: void R_TransformPlane (mplane_t *p, float *normal, float *dist)
299: {
300: float d;
301:
302: d = DotProduct (r_origin, p->normal);
303: *dist = p->dist - d;
304: // TODO: when we have rotating entities, this will need to use the view matrix
305: TransformVector (p->normal, normal);
306: }
307:
308:
309: /*
310: ===============
311: R_SetUpFrustumIndexes
312: ===============
313: */
314: void R_SetUpFrustumIndexes (void)
315: {
316: int i, j, *pindex;
317:
318: pindex = r_frustum_indexes;
319:
320: for (i=0 ; i<4 ; i++)
321: {
322: for (j=0 ; j<3 ; j++)
323: {
324: if (view_clipplanes[i].normal[j] < 0)
325: {
326: pindex[j] = j;
327: pindex[j+3] = j+3;
328: }
329: else
330: {
331: pindex[j] = j+3;
332: pindex[j+3] = j;
333: }
334: }
335:
336: // FIXME: do just once at start
337: pfrustum_indexes[i] = pindex;
338: pindex += 6;
339: }
340: }
341:
342:
343: /*
344: ===============
345: R_SetupFrame
346: ===============
347: */
348: void R_SetupFrame (void)
349: {
350: int edgecount;
351: vrect_t vrect;
352: float w, h;
353:
354: // don't allow cheats in multiplayer
355: if (cl.maxclients > 1)
356: {
357: Cvar_Set ("r_draworder", "0");
358: Cvar_Set ("r_fullbright", "0");
359: Cvar_Set ("r_ambient", "0");
360: Cvar_Set ("r_drawflat", "0");
361: }
362:
363: if (r_numsurfs.value)
364: {
365: if ((surface_p - surfaces) > r_maxsurfsseen)
366: r_maxsurfsseen = surface_p - surfaces;
367:
368: Con_Printf ("Used %d of %d surfs; %d max\n", surface_p - surfaces,
369: surf_max - surfaces, r_maxsurfsseen);
370: }
371:
372: if (r_numedges.value)
373: {
374: edgecount = edge_p - r_edges;
375:
376: if (edgecount > r_maxedgesseen)
377: r_maxedgesseen = edgecount;
378:
379: Con_Printf ("Used %d of %d edges; %d max\n", edgecount,
380: r_numallocatededges, r_maxedgesseen);
381: }
382:
383: r_refdef.ambientlight = r_ambient.value;
384:
385: if (r_refdef.ambientlight < 0)
386: r_refdef.ambientlight = 0;
387:
388: if (!sv.active)
389: r_draworder.value = 0; // don't let cheaters look behind walls
390:
391: R_CheckVariables ();
392:
393: R_AnimateLight ();
394:
395: r_framecount++;
396:
397: numbtofpolys = 0;
398:
399: // debugging
400: #if 0
401: r_refdef.vieworg[0]= 80;
402: r_refdef.vieworg[1]= 64;
403: r_refdef.vieworg[2]= 40;
404: r_refdef.viewangles[0]= 0;
405: r_refdef.viewangles[1]= 46.763641357;
406: r_refdef.viewangles[2]= 0;
407: #endif
408:
409: // build the transformation matrix for the given view angles
410: VectorCopy (r_refdef.vieworg, modelorg);
411: VectorCopy (r_refdef.vieworg, r_origin);
412:
413: AngleVectors (r_refdef.viewangles, vpn, vright, vup);
414:
415: // current viewleaf
416: r_oldviewleaf = r_viewleaf;
417: r_viewleaf = Mod_PointInLeaf (r_origin, cl.worldmodel);
418:
419: r_dowarpold = r_dowarp;
420: r_dowarp = r_waterwarp.value && (r_viewleaf->contents <= CONTENTS_WATER);
421:
1.1.1.2 ! root 422: if ((r_dowarp != r_dowarpold) || r_viewchanged || lcd_x.value)
1.1 root 423: {
424: if (r_dowarp)
425: {
426: if ((vid.width <= vid.maxwarpwidth) &&
427: (vid.height <= vid.maxwarpheight))
428: {
429: vrect.x = 0;
430: vrect.y = 0;
431: vrect.width = vid.width;
432: vrect.height = vid.height;
433:
434: R_ViewChanged (&vrect, sb_lines, vid.aspect);
435: }
436: else
437: {
438: w = vid.width;
439: h = vid.height;
440:
441: if (w > vid.maxwarpwidth)
442: {
443: h *= (float)vid.maxwarpwidth / w;
444: w = vid.maxwarpwidth;
445: }
446:
447: if (h > vid.maxwarpheight)
448: {
449: h = vid.maxwarpheight;
450: w *= (float)vid.maxwarpheight / h;
451: }
452:
453: vrect.x = 0;
454: vrect.y = 0;
455: vrect.width = (int)w;
456: vrect.height = (int)h;
457:
458: R_ViewChanged (&vrect,
459: (int)((float)sb_lines * (h/(float)vid.height)),
460: vid.aspect * (h / w) *
461: ((float)vid.width / (float)vid.height));
462: }
463: }
464: else
465: {
466: vrect.x = 0;
467: vrect.y = 0;
468: vrect.width = vid.width;
469: vrect.height = vid.height;
470:
471: R_ViewChanged (&vrect, sb_lines, vid.aspect);
472: }
473:
474: r_viewchanged = false;
475: }
476:
477: // start off with just the four screen edge clip planes
478: R_TransformFrustum ();
479:
480: // save base values
481: VectorCopy (vpn, base_vpn);
482: VectorCopy (vright, base_vright);
483: VectorCopy (vup, base_vup);
1.1.1.2 ! root 484: VectorCopy (modelorg, base_modelorg);
1.1 root 485:
486: R_SetSkyFrame ();
487:
488: R_SetUpFrustumIndexes ();
489:
490: r_cache_thrash = false;
491:
492: // clear frame counts
493: c_faceclip = 0;
494: d_spanpixcount = 0;
495: r_polycount = 0;
496: r_drawnpolycount = 0;
497: r_wholepolycount = 0;
498: r_amodels_drawn = 0;
499: r_outofsurfaces = 0;
500: r_outofedges = 0;
501:
502: D_SetupFrame ();
503: }
504:
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