From 5d2843e7b2b0ac131d1f56d1e99ac620ac2fefcf Mon Sep 17 00:00:00 2001 From: Spoike Date: Fri, 15 Oct 2004 00:25:41 +0000 Subject: [PATCH] Code for texturing/smoothing beams. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@335 fc73d0e0-1445-4013-8a0c-d673dee63da5 --- engine/client/r_part.c | 169 +++++++++++++++++++++++++++++++++++------ 1 file changed, 147 insertions(+), 22 deletions(-) diff --git a/engine/client/r_part.c b/engine/client/r_part.c index ced7e8b5e..7d1b4eb3c 100644 --- a/engine/client/r_part.c +++ b/engine/client/r_part.c @@ -2126,6 +2126,7 @@ void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) b = bfirst = free_beams; free_beams = free_beams->next; } + b->texture_s = len; b->flags = 0; b->p = p; VectorCopy(vec, b->dir); @@ -2559,13 +2560,89 @@ void GL_DrawSparkedParticle(particle_t *p, part_type_t *type) glVertex3f (p->org[0]-p->u.p.vel[0]/10, p->org[1]-p->u.p.vel[1]/10, p->org[2]-p->u.p.vel[2]/10); } -void GL_DrawParticleBeam(beamseg_t *b, part_type_t *type) + +void GL_DrawParticleBeam_Textured(beamseg_t *b, part_type_t *type) { vec3_t v, point; vec3_t cr; beamseg_t *c; particle_t *p; particle_t *q; + float ts; + +// if (!b->next) +// return; + + c = b->next; + + q = c->p; +// if (!q) +// return; + + p = b->p; +// if (!p) +// return; + + if (lasttype != type) + { + lasttype = type; + glEnd(); + glEnable(GL_TEXTURE_2D); + GL_Bind(type->texturenum); + if (type->blendmode == BM_ADD) //addative + glBlendFunc(GL_SRC_ALPHA, GL_ONE); +// else if (type->blendmode == BM_SUBTRACT) //subtractive +// glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + else + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glShadeModel(GL_SMOOTH); + glBegin(GL_QUADS); + } + glColor4f(q->rgb[0], + q->rgb[1], + q->rgb[2], + q->alpha); +// glBegin(GL_LINE_LOOP); + VectorSubtract(r_refdef.vieworg, q->org, v); + VectorNormalize(v); + CrossProduct(c->dir, v, cr); + ts = b->texture_s*type->rotationstartmin + particletime*type->rotationmin; + + VectorMA(q->org, -q->scale, cr, point); + glTexCoord2f(ts, 0); + glVertex3fv(point); + VectorMA(q->org, q->scale, cr, point); + glTexCoord2f(ts, 1); + glVertex3fv(point); + + glColor4f(p->rgb[0], + p->rgb[1], + p->rgb[2], + p->alpha); + + VectorSubtract(r_refdef.vieworg, p->org, v); + VectorNormalize(v); + CrossProduct(b->dir, v, cr); // replace with old p->dir? + ts = b->texture_s*type->rotationstartmin + particletime*type->rotationmin; + + VectorMA(p->org, p->scale, cr, point); + glTexCoord2f(ts, 1); + glVertex3fv(point); + VectorMA(p->org, -p->scale, cr, point); + glTexCoord2f(ts, 0); + glVertex3fv(point); +// glEnd(); +} + +void GL_DrawParticleBeam_Untextured(beamseg_t *b, part_type_t *type) +{ + vec3_t v; + vec3_t cr; + beamseg_t *c; + particle_t *p; + particle_t *q; + + vec3_t point[4]; // if (!b->next) // return; @@ -2595,33 +2672,77 @@ void GL_DrawParticleBeam(beamseg_t *b, part_type_t *type) glShadeModel(GL_SMOOTH); glBegin(GL_QUADS); } - glColor4f(q->rgb[0], - q->rgb[1], - q->rgb[2], - q->alpha); + // glBegin(GL_LINE_LOOP); VectorSubtract(r_refdef.vieworg, q->org, v); VectorNormalize(v); CrossProduct(c->dir, v, cr); - VectorMA(q->org, -q->scale, cr, point); - glVertex3fv(point); - VectorMA(q->org, q->scale, cr, point); - glVertex3fv(point); + VectorMA(q->org, -q->scale, cr, point[0]); + VectorMA(q->org, q->scale, cr, point[1]); - glColor4f(p->rgb[0], - p->rgb[1], - p->rgb[2], - p->alpha); VectorSubtract(r_refdef.vieworg, p->org, v); VectorNormalize(v); CrossProduct(b->dir, v, cr); // replace with old p->dir? - VectorMA(p->org, p->scale, cr, point); - glVertex3fv(point); - VectorMA(p->org, -p->scale, cr, point); - glVertex3fv(point); + VectorMA(p->org, p->scale, cr, point[2]); + VectorMA(p->org, -p->scale, cr, point[3]); + + + //one half + //back out + //back in + //front in + //front out + glColor4f(q->rgb[0], + q->rgb[1], + q->rgb[2], + 0); + glVertex3fv(point[0]); + glColor4f(q->rgb[0], + q->rgb[1], + q->rgb[2], + q->alpha); + glVertex3fv(q->org); + + glColor4f(p->rgb[0], + p->rgb[1], + p->rgb[2], + p->alpha); + glVertex3fv(p->org); + glColor4f(p->rgb[0], + p->rgb[1], + p->rgb[2], + 0); + glVertex3fv(point[3]); + + //front out + //front in + //back in + //back out + glColor4f(p->rgb[0], + p->rgb[1], + p->rgb[2], + 0); + glVertex3fv(point[2]); + glColor4f(p->rgb[0], + p->rgb[1], + p->rgb[2], + p->alpha); + glVertex3fv(p->org); + + glColor4f(q->rgb[0], + q->rgb[1], + q->rgb[2], + q->alpha); + glVertex3fv(q->org); + glColor4f(q->rgb[0], + q->rgb[1], + q->rgb[2], + 0); + glVertex3fv(point[1]); + // glEnd(); } @@ -2670,7 +2791,7 @@ void SWD_DrawParticleBlob(particle_t *p, part_type_t *type) D_DrawParticleTrans(p); } #endif -void DrawParticleTypes (void texturedparticles(particle_t *,part_type_t*), void sparkparticles(particle_t*,part_type_t*), void beamparticles(beamseg_t*,part_type_t*)) +void DrawParticleTypes (void texturedparticles(particle_t *,part_type_t*), void sparkparticles(particle_t*,part_type_t*), void beamparticlest(beamseg_t*,part_type_t*), void beamparticlesut(beamseg_t*,part_type_t*)) { qboolean (*tr) (vec3_t start, vec3_t end, vec3_t impact, vec3_t normal); @@ -2934,7 +3055,11 @@ void DrawParticleTypes (void texturedparticles(particle_t *,part_type_t*), void VectorNormalize(b->next->dir); VectorAdd(stop, oldorg, stop); VectorScale(stop, 0.5, stop); - RQ_AddDistReorder((void*)beamparticles, b, type, stop); + + if (*type->texname) + RQ_AddDistReorder((void*)beamparticlest, b, type, stop); + else + RQ_AddDistReorder((void*)beamparticlesut, b, type, stop); } // if (b->p->die < particletime) @@ -2990,9 +3115,9 @@ void R_DrawParticles (void) glBegin(GL_QUADS); if (gl_part_trifansparks.value) - DrawParticleTypes(GL_DrawTexturedParticle, GL_DrawTrifanParticle, GL_DrawParticleBeam); + DrawParticleTypes(GL_DrawTexturedParticle, GL_DrawTrifanParticle, GL_DrawParticleBeam_Textured, GL_DrawParticleBeam_Untextured); else - DrawParticleTypes(GL_DrawTexturedParticle, GL_DrawSparkedParticle, GL_DrawParticleBeam); + DrawParticleTypes(GL_DrawTexturedParticle, GL_DrawSparkedParticle, GL_DrawParticleBeam_Textured, GL_DrawParticleBeam_Untextured); glEnd(); glEnable(GL_TEXTURE_2D); @@ -3005,7 +3130,7 @@ void R_DrawParticles (void) if (qrenderer == QR_SOFTWARE) { D_StartParticles(); - DrawParticleTypes(SWD_DrawParticleBlob, SWD_DrawParticleSpark, NULL);//SWD_DrawParticleBeam); + DrawParticleTypes(SWD_DrawParticleBlob, SWD_DrawParticleSpark, NULL, NULL);//SWD_DrawParticleBeam); D_EndParticles(); return; }