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Diffstat (limited to 'WinQuake/gl_test.c')
| -rw-r--r-- | WinQuake/gl_test.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/WinQuake/gl_test.c b/WinQuake/gl_test.c new file mode 100644 index 0000000..a3b1027 --- /dev/null +++ b/WinQuake/gl_test.c @@ -0,0 +1,182 @@ +/* +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. + +*/ + +#include "quakedef.h" + +#ifdef GLTEST + +typedef struct +{ + plane_t *plane; + vec3_t origin; + vec3_t normal; + vec3_t up; + vec3_t right; + vec3_t reflect; + float length; +} puff_t; + +#define MAX_PUFFS 64 + +puff_t puffs[MAX_PUFFS]; + + +void Test_Init (void) +{ +} + + + +plane_t junk; +plane_t *HitPlane (vec3_t start, vec3_t end) +{ + trace_t trace; + +// fill in a default trace + memset (&trace, 0, sizeof(trace_t)); + trace.fraction = 1; + trace.allsolid = true; + VectorCopy (end, trace.endpos); + + SV_RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace); + + junk = trace.plane; + return &junk; +} + +void Test_Spawn (vec3_t origin) +{ + int i; + puff_t *p; + vec3_t temp; + vec3_t normal; + vec3_t incoming; + plane_t *plane; + float d; + + for (i=0,p=puffs ; i<MAX_PUFFS ; i++,p++) + { + if (p->length <= 0) + break; + } + if (i == MAX_PUFFS) + return; + + VectorSubtract (r_refdef.vieworg, origin, incoming); + VectorSubtract (origin, incoming, temp); + plane = HitPlane (r_refdef.vieworg, temp); + + VectorNormalize (incoming); + d = DotProduct (incoming, plane->normal); + VectorSubtract (vec3_origin, incoming, p->reflect); + VectorMA (p->reflect, d*2, plane->normal, p->reflect); + + VectorCopy (origin, p->origin); + VectorCopy (plane->normal, p->normal); + + CrossProduct (incoming, p->normal, p->up); + + CrossProduct (p->up, p->normal, p->right); + + p->length = 8; +} + +void DrawPuff (puff_t *p) +{ + vec3_t pts[2][3]; + int i, j; + float s, d; + + for (i=0 ; i<2 ; i++) + { + if (i == 1) + { + s = 6; + d = p->length; + } + else + { + s = 2; + d = 0; + } + + for (j=0 ; j<3 ; j++) + { + pts[i][0][j] = p->origin[j] + p->up[j]*s + p->reflect[j]*d; + pts[i][1][j] = p->origin[j] + p->right[j]*s + p->reflect[j]*d; + pts[i][2][j] = p->origin[j] + -p->right[j]*s + p->reflect[j]*d; + } + } + + glColor3f (1, 0, 0); + +#if 0 + glBegin (GL_LINES); + glVertex3fv (p->origin); + glVertex3f (p->origin[0] + p->length*p->reflect[0], + p->origin[1] + p->length*p->reflect[1], + p->origin[2] + p->length*p->reflect[2]); + + glVertex3fv (pts[0][0]); + glVertex3fv (pts[1][0]); + + glVertex3fv (pts[0][1]); + glVertex3fv (pts[1][1]); + + glVertex3fv (pts[0][2]); + glVertex3fv (pts[1][2]); + + glEnd (); +#endif + + glBegin (GL_QUADS); + for (i=0 ; i<3 ; i++) + { + j = (i+1)%3; + glVertex3fv (pts[0][j]); + glVertex3fv (pts[1][j]); + glVertex3fv (pts[1][i]); + glVertex3fv (pts[0][i]); + } + glEnd (); + + glBegin (GL_TRIANGLES); + glVertex3fv (pts[1][0]); + glVertex3fv (pts[1][1]); + glVertex3fv (pts[1][2]); + glEnd (); + + p->length -= host_frametime*2; +} + + +void Test_Draw (void) +{ + int i; + puff_t *p; + + for (i=0, p=puffs ; i<MAX_PUFFS ; i++,p++) + { + if (p->length > 0) + DrawPuff (p); + } +} + +#endif |