| 0,0 → 1,523 |
|---|
| /* |
| Copyright (C) 1996-1997 Id Software, Inc. |
| |
| 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. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| */ |
| // r_misc.c |
| |
| #include "quakedef.h" |
| #include "r_local.h" |
| |
| |
| /* |
| =============== |
| R_CheckVariables |
| =============== |
| */ |
| void R_CheckVariables (void) |
| { |
| static float oldbright; |
| |
| if (r_fullbright.value != oldbright) |
| { |
| oldbright = r_fullbright.value; |
| D_FlushCaches (); // so all lighting changes |
| } |
| } |
| |
| |
| /* |
| ============ |
| Show |
| |
| Debugging use |
| ============ |
| */ |
| void Show (void) |
| { |
| vrect_t vr; |
| |
| vr.x = vr.y = 0; |
| vr.width = vid.width; |
| vr.height = vid.height; |
| vr.pnext = NULL; |
| VID_Update (&vr); |
| } |
| |
| |
| /* |
| ==================== |
| R_TimeRefresh_f |
| |
| For program optimization |
| ==================== |
| */ |
| void R_TimeRefresh_f (void) |
| { |
| int i; |
| float start, stop, time; |
| int startangle; |
| vrect_t vr; |
| |
| startangle = r_refdef.viewangles[1]; |
| |
| start = Sys_FloatTime (); |
| for (i=0 ; i<128 ; i++) |
| { |
| r_refdef.viewangles[1] = i/128.0*360.0; |
| |
| VID_LockBuffer (); |
| |
| R_RenderView (); |
| |
| VID_UnlockBuffer (); |
| |
| vr.x = r_refdef.vrect.x; |
| vr.y = r_refdef.vrect.y; |
| vr.width = r_refdef.vrect.width; |
| vr.height = r_refdef.vrect.height; |
| vr.pnext = NULL; |
| VID_Update (&vr); |
| } |
| stop = Sys_FloatTime (); |
| time = stop-start; |
| Con_Printf ("%f seconds (%f fps)\n", time, 128/time); |
| |
| r_refdef.viewangles[1] = startangle; |
| } |
| |
| |
| /* |
| ================ |
| R_LineGraph |
| |
| Only called by R_DisplayTime |
| ================ |
| */ |
| void R_LineGraph (int x, int y, int h) |
| { |
| int i; |
| byte *dest; |
| int s; |
| |
| // FIXME: should be disabled on no-buffer adapters, or should be in the driver |
| |
| x += r_refdef.vrect.x; |
| y += r_refdef.vrect.y; |
| |
| dest = vid.buffer + vid.rowbytes*y + x; |
| |
| s = r_graphheight.value; |
| |
| if (h>s) |
| h = s; |
| |
| for (i=0 ; i<h ; i++, dest -= vid.rowbytes*2) |
| { |
| dest[0] = 0xff; |
| *(dest-vid.rowbytes) = 0x30; |
| } |
| for ( ; i<s ; i++, dest -= vid.rowbytes*2) |
| { |
| dest[0] = 0x30; |
| *(dest-vid.rowbytes) = 0x30; |
| } |
| } |
| |
| /* |
| ============== |
| R_TimeGraph |
| |
| Performance monitoring tool |
| ============== |
| */ |
| #define MAX_TIMINGS 100 |
| extern float mouse_x, mouse_y; |
| void R_TimeGraph (void) |
| { |
| static int timex; |
| int a; |
| float r_time2; |
| static byte r_timings[MAX_TIMINGS]; |
| int x; |
| |
| r_time2 = Sys_FloatTime (); |
| |
| a = (r_time2-r_time1)/0.01; |
| //a = fabs(mouse_y * 0.05); |
| //a = (int)((r_refdef.vieworg[2] + 1024)/1)%(int)r_graphheight.value; |
| //a = fabs(velocity[0])/20; |
| //a = ((int)fabs(origin[0])/8)%20; |
| //a = (cl.idealpitch + 30)/5; |
| r_timings[timex] = a; |
| a = timex; |
| |
| if (r_refdef.vrect.width <= MAX_TIMINGS) |
| x = r_refdef.vrect.width-1; |
| else |
| x = r_refdef.vrect.width - |
| (r_refdef.vrect.width - MAX_TIMINGS)/2; |
| do |
| { |
| R_LineGraph (x, r_refdef.vrect.height-2, r_timings[a]); |
| if (x==0) |
| break; // screen too small to hold entire thing |
| x--; |
| a--; |
| if (a == -1) |
| a = MAX_TIMINGS-1; |
| } while (a != timex); |
| |
| timex = (timex+1)%MAX_TIMINGS; |
| } |
| |
| |
| /* |
| ============= |
| R_PrintTimes |
| ============= |
| */ |
| void R_PrintTimes (void) |
| { |
| float r_time2; |
| float ms; |
| |
| r_time2 = Sys_FloatTime (); |
| |
| ms = 1000* (r_time2 - r_time1); |
| |
| Con_Printf ("%5.1f ms %3i/%3i/%3i poly %3i surf\n", |
| ms, c_faceclip, r_polycount, r_drawnpolycount, c_surf); |
| c_surf = 0; |
| } |
| |
| |
| /* |
| ============= |
| R_PrintDSpeeds |
| ============= |
| */ |
| void R_PrintDSpeeds (void) |
| { |
| float ms, dp_time, r_time2, rw_time, db_time, se_time, de_time, dv_time; |
| |
| r_time2 = Sys_FloatTime (); |
| |
| dp_time = (dp_time2 - dp_time1) * 1000; |
| rw_time = (rw_time2 - rw_time1) * 1000; |
| db_time = (db_time2 - db_time1) * 1000; |
| se_time = (se_time2 - se_time1) * 1000; |
| de_time = (de_time2 - de_time1) * 1000; |
| dv_time = (dv_time2 - dv_time1) * 1000; |
| ms = (r_time2 - r_time1) * 1000; |
| |
| Con_Printf ("%3i %4.1fp %3iw %4.1fb %3is %4.1fe %4.1fv\n", |
| (int)ms, dp_time, (int)rw_time, db_time, (int)se_time, de_time, |
| dv_time); |
| } |
| |
| |
| /* |
| ============= |
| R_PrintAliasStats |
| ============= |
| */ |
| void R_PrintAliasStats (void) |
| { |
| Con_Printf ("%3i polygon model drawn\n", r_amodels_drawn); |
| } |
| |
| |
| void WarpPalette (void) |
| { |
| int i,j; |
| byte newpalette[768]; |
| int basecolor[3]; |
| |
| basecolor[0] = 130; |
| basecolor[1] = 80; |
| basecolor[2] = 50; |
| |
| // pull the colors halfway to bright brown |
| for (i=0 ; i<256 ; i++) |
| { |
| for (j=0 ; j<3 ; j++) |
| { |
| newpalette[i*3+j] = (host_basepal[i*3+j] + basecolor[j])/2; |
| } |
| } |
| |
| VID_ShiftPalette (newpalette); |
| } |
| |
| |
| /* |
| =================== |
| R_TransformFrustum |
| =================== |
| */ |
| void R_TransformFrustum (void) |
| { |
| int i; |
| vec3_t v, v2; |
| |
| for (i=0 ; i<4 ; i++) |
| { |
| v[0] = screenedge[i].normal[2]; |
| v[1] = -screenedge[i].normal[0]; |
| v[2] = screenedge[i].normal[1]; |
| |
| v2[0] = v[1]*vright[0] + v[2]*vup[0] + v[0]*vpn[0]; |
| v2[1] = v[1]*vright[1] + v[2]*vup[1] + v[0]*vpn[1]; |
| v2[2] = v[1]*vright[2] + v[2]*vup[2] + v[0]*vpn[2]; |
| |
| VectorCopy (v2, view_clipplanes[i].normal); |
| |
| view_clipplanes[i].dist = DotProduct (modelorg, v2); |
| } |
| } |
| |
| |
| #if !id386 |
| |
| /* |
| ================ |
| TransformVector |
| ================ |
| */ |
| void TransformVector (vec3_t in, vec3_t out) |
| { |
| out[0] = DotProduct(in,vright); |
| out[1] = DotProduct(in,vup); |
| out[2] = DotProduct(in,vpn); |
| } |
| |
| #endif |
| |
| |
| /* |
| ================ |
| R_TransformPlane |
| ================ |
| */ |
| void R_TransformPlane (mplane_t *p, float *normal, float *dist) |
| { |
| float d; |
| |
| d = DotProduct (r_origin, p->normal); |
| *dist = p->dist - d; |
| // TODO: when we have rotating entities, this will need to use the view matrix |
| TransformVector (p->normal, normal); |
| } |
| |
| |
| /* |
| =============== |
| R_SetUpFrustumIndexes |
| =============== |
| */ |
| void R_SetUpFrustumIndexes (void) |
| { |
| int i, j, *pindex; |
| |
| pindex = r_frustum_indexes; |
| |
| for (i=0 ; i<4 ; i++) |
| { |
| for (j=0 ; j<3 ; j++) |
| { |
| if (view_clipplanes[i].normal[j] < 0) |
| { |
| pindex[j] = j; |
| pindex[j+3] = j+3; |
| } |
| else |
| { |
| pindex[j] = j+3; |
| pindex[j+3] = j; |
| } |
| } |
| |
| // FIXME: do just once at start |
| pfrustum_indexes[i] = pindex; |
| pindex += 6; |
| } |
| } |
| |
| |
| /* |
| =============== |
| R_SetupFrame |
| =============== |
| */ |
| void R_SetupFrame (void) |
| { |
| int edgecount; |
| vrect_t vrect; |
| float w, h; |
| |
| // don't allow cheats in multiplayer |
| if (cl.maxclients > 1) |
| { |
| Cvar_Set ("r_draworder", "0"); |
| Cvar_Set ("r_fullbright", "0"); |
| Cvar_Set ("r_ambient", "0"); |
| Cvar_Set ("r_drawflat", "0"); |
| } |
| |
| if (r_numsurfs.value) |
| { |
| if ((surface_p - surfaces) > r_maxsurfsseen) |
| r_maxsurfsseen = surface_p - surfaces; |
| |
| Con_Printf ("Used %d of %d surfs; %d max\n", surface_p - surfaces, |
| surf_max - surfaces, r_maxsurfsseen); |
| } |
| |
| if (r_numedges.value) |
| { |
| edgecount = edge_p - r_edges; |
| |
| if (edgecount > r_maxedgesseen) |
| r_maxedgesseen = edgecount; |
| |
| Con_Printf ("Used %d of %d edges; %d max\n", edgecount, |
| r_numallocatededges, r_maxedgesseen); |
| } |
| |
| r_refdef.ambientlight = r_ambient.value; |
| |
| if (r_refdef.ambientlight < 0) |
| r_refdef.ambientlight = 0; |
| |
| if (!sv.active) |
| r_draworder.value = 0; // don't let cheaters look behind walls |
| |
| R_CheckVariables (); |
| |
| R_AnimateLight (); |
| |
| r_framecount++; |
| |
| numbtofpolys = 0; |
| |
| // debugging |
| #if 0 |
| r_refdef.vieworg[0]= 80; |
| r_refdef.vieworg[1]= 64; |
| r_refdef.vieworg[2]= 40; |
| r_refdef.viewangles[0]= 0; |
| r_refdef.viewangles[1]= 46.763641357; |
| r_refdef.viewangles[2]= 0; |
| #endif |
| |
| // build the transformation matrix for the given view angles |
| VectorCopy (r_refdef.vieworg, modelorg); |
| VectorCopy (r_refdef.vieworg, r_origin); |
| |
| AngleVectors (r_refdef.viewangles, vpn, vright, vup); |
| |
| // current viewleaf |
| r_oldviewleaf = r_viewleaf; |
| r_viewleaf = Mod_PointInLeaf (r_origin, cl.worldmodel); |
| |
| r_dowarpold = r_dowarp; |
| r_dowarp = r_waterwarp.value && (r_viewleaf->contents <= CONTENTS_WATER); |
| |
| if ((r_dowarp != r_dowarpold) || r_viewchanged || lcd_x.value) |
| { |
| if (r_dowarp) |
| { |
| if ((vid.width <= vid.maxwarpwidth) && |
| (vid.height <= vid.maxwarpheight)) |
| { |
| vrect.x = 0; |
| vrect.y = 0; |
| vrect.width = vid.width; |
| vrect.height = vid.height; |
| |
| R_ViewChanged (&vrect, sb_lines, vid.aspect); |
| } |
| else |
| { |
| w = vid.width; |
| h = vid.height; |
| |
| if (w > vid.maxwarpwidth) |
| { |
| h *= (float)vid.maxwarpwidth / w; |
| w = vid.maxwarpwidth; |
| } |
| |
| if (h > vid.maxwarpheight) |
| { |
| h = vid.maxwarpheight; |
| w *= (float)vid.maxwarpheight / h; |
| } |
| |
| vrect.x = 0; |
| vrect.y = 0; |
| vrect.width = (int)w; |
| vrect.height = (int)h; |
| |
| R_ViewChanged (&vrect, |
| (int)((float)sb_lines * (h/(float)vid.height)), |
| vid.aspect * (h / w) * |
| ((float)vid.width / (float)vid.height)); |
| } |
| } |
| else |
| { |
| vrect.x = 0; |
| vrect.y = 0; |
| vrect.width = vid.width; |
| vrect.height = vid.height; |
| |
| R_ViewChanged (&vrect, sb_lines, vid.aspect); |
| } |
| |
| r_viewchanged = false; |
| } |
| |
| // start off with just the four screen edge clip planes |
| R_TransformFrustum (); |
| |
| // save base values |
| VectorCopy (vpn, base_vpn); |
| VectorCopy (vright, base_vright); |
| VectorCopy (vup, base_vup); |
| VectorCopy (modelorg, base_modelorg); |
| |
| R_SetSkyFrame (); |
| |
| R_SetUpFrustumIndexes (); |
| |
| r_cache_thrash = false; |
| |
| // clear frame counts |
| c_faceclip = 0; |
| d_spanpixcount = 0; |
| r_polycount = 0; |
| r_drawnpolycount = 0; |
| r_wholepolycount = 0; |
| r_amodels_drawn = 0; |
| r_outofsurfaces = 0; |
| r_outofedges = 0; |
| |
| D_SetupFrame (); |
| } |
| |