1 /* 2 Copyright (C) 1996-1997 Id Software, Inc. 3 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. 8 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. 12 13 See the GNU General Public License for more details. 14 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. 18 19 */ 20 21 #include "quakedef.h" 22 23 #ifdef GLTEST 24 25 typedef struct 26 { 27 plane_t *plane; 28 vec3_t origin; 29 vec3_t normal; 30 vec3_t up; 31 vec3_t right; 32 vec3_t reflect; 33 float length; 34 } puff_t; 35 36 #define MAX_PUFFS 64 37 38 puff_t puffs[MAX_PUFFS]; 39 40 41 void Test_Init (void) 42 { 43 } 44 45 46 47 plane_t junk; 48 plane_t *HitPlane (vec3_t start, vec3_t end) 49 { 50 trace_t trace; 51 52 // fill in a default trace 53 memset (&trace, 0, sizeof(trace_t)); 54 trace.fraction = 1; 55 trace.allsolid = true; 56 VectorCopy (end, trace.endpos); 57 58 SV_RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace); 59 60 junk = trace.plane; 61 return &junk; 62 } 63 64 void Test_Spawn (vec3_t origin) 65 { 66 int i; 67 puff_t *p; 68 vec3_t temp; 69 vec3_t normal; 70 vec3_t incoming; 71 plane_t *plane; 72 float d; 73 74 for (i=0,p=puffs ; i<MAX_PUFFS ; i++,p++) 75 { 76 if (p->length <= 0) 77 break; 78 } 79 if (i == MAX_PUFFS) 80 return; 81 82 VectorSubtract (r_refdef.vieworg, origin, incoming); 83 VectorSubtract (origin, incoming, temp); 84 plane = HitPlane (r_refdef.vieworg, temp); 85 86 VectorNormalize (incoming); 87 d = DotProduct (incoming, plane->normal); 88 VectorSubtract (vec3_origin, incoming, p->reflect); 89 VectorMA (p->reflect, d*2, plane->normal, p->reflect); 90 91 VectorCopy (origin, p->origin); 92 VectorCopy (plane->normal, p->normal); 93 94 CrossProduct (incoming, p->normal, p->up); 95 96 CrossProduct (p->up, p->normal, p->right); 97 98 p->length = 8; 99 } 100 101 void DrawPuff (puff_t *p) 102 { 103 vec3_t pts[2][3]; 104 int i, j; 105 float s, d; 106 107 for (i=0 ; i<2 ; i++) 108 { 109 if (i == 1) 110 { 111 s = 6; 112 d = p->length; 113 } 114 else 115 { 116 s = 2; 117 d = 0; 118 } 119 120 for (j=0 ; j<3 ; j++) 121 { 122 pts[i][0][j] = p->origin[j] + p->up[j]*s + p->reflect[j]*d; 123 pts[i][1][j] = p->origin[j] + p->right[j]*s + p->reflect[j]*d; 124 pts[i][2][j] = p->origin[j] + -p->right[j]*s + p->reflect[j]*d; 125 } 126 } 127 128 glColor3f (1, 0, 0); 129 130 #if 0 131 glBegin (GL_LINES); 132 glVertex3fv (p->origin); 133 glVertex3f (p->origin[0] + p->length*p->reflect[0], 134 p->origin[1] + p->length*p->reflect[1], 135 p->origin[2] + p->length*p->reflect[2]); 136 137 glVertex3fv (pts[0][0]); 138 glVertex3fv (pts[1][0]); 139 140 glVertex3fv (pts[0][1]); 141 glVertex3fv (pts[1][1]); 142 143 glVertex3fv (pts[0][2]); 144 glVertex3fv (pts[1][2]); 145 146 glEnd (); 147 #endif 148 149 glBegin (GL_QUADS); 150 for (i=0 ; i<3 ; i++) 151 { 152 j = (i+1)%3; 153 glVertex3fv (pts[0][j]); 154 glVertex3fv (pts[1][j]); 155 glVertex3fv (pts[1][i]); 156 glVertex3fv (pts[0][i]); 157 } 158 glEnd (); 159 160 glBegin (GL_TRIANGLES); 161 glVertex3fv (pts[1][0]); 162 glVertex3fv (pts[1][1]); 163 glVertex3fv (pts[1][2]); 164 glEnd (); 165 166 p->length -= host_frametime*2; 167 } 168 169 170 void Test_Draw (void) 171 { 172 int i; 173 puff_t *p; 174 175 for (i=0, p=puffs ; i<MAX_PUFFS ; i++,p++) 176 { 177 if (p->length > 0) 178 DrawPuff (p); 179 } 180 } 181 182 #endif 183
