X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=r_explosion.c;h=e679ec8ccc16e334973aefe126b0b0d8d6fd3415;hb=9c0c3195b80f7a8782d2e09fb95fbc6c81b94969;hp=a8644ffc730ff9efe6a4e45d134acf7b5fa9343c;hpb=8aa1a86018c71ed007f8329643e7b82a38159a69;p=xonotic%2Fdarkplaces.git diff --git a/r_explosion.c b/r_explosion.c index a8644ffc..e679ec8c 100644 --- a/r_explosion.c +++ b/r_explosion.c @@ -19,35 +19,15 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "quakedef.h" +#include "cl_collision.h" #define MAX_EXPLOSIONS 64 #define EXPLOSIONGRID 8 #define EXPLOSIONVERTS ((EXPLOSIONGRID+1)*(EXPLOSIONGRID+1)) #define EXPLOSIONTRIS (EXPLOSIONGRID*EXPLOSIONGRID*2) #define EXPLOSIONSTARTVELOCITY (256.0f) -//#define EXPLOSIONSTARTVELOCITY (384.0f) -//#define EXPLOSIONRANDOMVELOCITY (32.0f) #define EXPLOSIONFADESTART (1.5f) -//#define EXPLOSIONFADERATE (4.5f) #define EXPLOSIONFADERATE (3.0f) -/* -#define MAX_EXPLOSIONGAS (MAX_EXPLOSIONS * EXPLOSIONGAS) -#define EXPLOSIONGAS 8 -#define EXPLOSIONGASSTARTRADIUS (15.0f) -#define EXPLOSIONGASSTARTVELOCITY (50.0f) -#define GASDENSITY_SCALER (32768.0f / EXPLOSIONGAS) -#define GASFADERATE (GASDENSITY_SCALER * EXPLOSIONGAS * 2) - -typedef struct explosiongas_s -{ - float pressure; - vec3_t origin; - vec3_t velocity; -} -explosiongas_t; - -explosiongas_t explosiongas[MAX_EXPLOSIONGAS]; -*/ float explosiontexcoords[EXPLOSIONVERTS][2]; int explosiontris[EXPLOSIONTRIS][3]; @@ -116,7 +96,6 @@ void r_explosion_shutdown(void) void r_explosion_newmap(void) { memset(explosion, 0, sizeof(explosion)); -// memset(explosiongas, 0, sizeof(explosiongas)); } int R_ExplosionVert(int column, int row) @@ -172,7 +151,7 @@ void R_NewExplosion(vec3_t org) int i, j; float dist; qbyte noise[EXPLOSIONGRID*EXPLOSIONGRID]; - fractalnoisequick(noise, EXPLOSIONGRID, 4); + fractalnoisequick(noise, EXPLOSIONGRID, 4); // adjust noise grid size according to explosion for (i = 0;i < MAX_EXPLOSIONS;i++) { if (explosion[i].alpha <= 0.01f) @@ -188,155 +167,85 @@ void R_NewExplosion(vec3_t org) // calculate velocity dist = noise[explosionnoiseindex[j]] * (1.0f / 255.0f) + 0.5; VectorScale(explosionspherevertvel[j], dist, explosion[i].vertvel[j]); - //explosion[i].vertvel[j][0] = explosionspherevertvel[j][0] * dist; + (((float) noise[0][explosionnoiseindex[j]] - 128.0f) * (EXPLOSIONRANDOMVELOCITY / 128.0f)); - //explosion[i].vertvel[j][1] = explosionspherevertvel[j][1] * dist; + (((float) noise[1][explosionnoiseindex[j]] - 128.0f) * (EXPLOSIONRANDOMVELOCITY / 128.0f)); - //explosion[i].vertvel[j][2] = explosionspherevertvel[j][2] * dist; + (((float) noise[2][explosionnoiseindex[j]] - 128.0f) * (EXPLOSIONRANDOMVELOCITY / 128.0f)); } break; } } - - /* - i = 0; - j = EXPLOSIONGAS; - while (i < MAX_EXPLOSIONGAS && j > 0) - { - while (explosiongas[i].pressure > 0) - { - i++; - if (i >= MAX_EXPLOSIONGAS) - return; - } - VectorRandom(v); - VectorMA(org, EXPLOSIONGASSTARTRADIUS, v, v); - TraceLine(org, v, explosiongas[i].origin, NULL, 0, true); - VectorRandom(v); - VectorScale(v, EXPLOSIONGASSTARTVELOCITY, explosiongas[i].velocity); - explosiongas[i].pressure = j * GASDENSITY_SCALER; - j--; - } - */ } void R_DrawExplosion(explosion_t *e) { int i; - float c[EXPLOSIONVERTS][4], diff[3], /*fog, */ifog, alpha, dist, centerdist, size, scale; - rmeshinfo_t m; + float *c, *v, diff[3], centerdir[3], ifog, alpha, dist; + rmeshbufferinfo_t m; + memset(&m, 0, sizeof(m)); m.transparent = true; m.blendfunc1 = GL_SRC_ALPHA; - m.blendfunc2 = GL_ONE; //_MINUS_SRC_ALPHA; + m.blendfunc2 = GL_ONE; m.numtriangles = EXPLOSIONTRIS; - m.index = &explosiontris[0][0]; m.numverts = EXPLOSIONVERTS; - m.vertex = &e->vert[0][0]; - m.vertexstep = sizeof(float[3]); - alpha = e->alpha; - if (alpha > 1) - alpha = 1; - m.cr = 1; - m.cg = 1; - m.cb = 1; - m.ca = alpha; - m.color = &c[0][0]; - m.colorstep = sizeof(float[4]); - centerdist = DotProduct(e->origin, vpn); - size = 0; - for (i = 0;i < EXPLOSIONVERTS;i++) - { - dist = DotProduct(e->vert[i], vpn) - centerdist; - if (size > dist) - size = dist; - } - scale = 1.0f / size; - if (fogenabled) - { - for (i = 0;i < EXPLOSIONVERTS;i++) - { - dist = (DotProduct(e->vert[i], vpn) - centerdist) * scale; - if (dist > 0) - { - // use inverse fog alpha as color - VectorSubtract(e->vert[i], r_origin, diff); - ifog = 1 - exp(fogdensity/DotProduct(diff,diff)); - if (ifog < 0) - ifog = 0; - c[i][0] = c[i][1] = c[i][2] = dist * alpha * ifog; - } - else - c[i][0] = c[i][1] = c[i][2] = 0; - c[i][3] = 1; - } - } - else + m.tex[0] = R_GetTexture(explosiontexture); + if (R_Mesh_Draw_GetBuffer(&m)) { - for (i = 0;i < EXPLOSIONVERTS;i++) + memcpy(m.index, explosiontris, m.numtriangles * sizeof(int[3])); + for (i = 0, v = m.vertex;i < m.numverts;i++, v += 4) { - dist = (DotProduct(e->vert[i], vpn) - centerdist) * scale; - if (dist > 0) - c[i][0] = c[i][1] = c[i][2] = dist * alpha; - else - c[i][0] = c[i][1] = c[i][2] = 0; - c[i][3] = 1; + v[0] = e->vert[i][0]; + v[1] = e->vert[i][1]; + v[2] = e->vert[i][2]; } - } - /* - if (fogenabled) - { - m.color = &c[0][0]; - m.colorstep = sizeof(float[4]); - for (i = 0;i < EXPLOSIONVERTS;i++) + memcpy(m.texcoords[0], explosiontexcoords, m.numverts * sizeof(float[2])); + alpha = e->alpha; + VectorSubtract(r_origin, e->origin, centerdir); + VectorNormalizeFast(centerdir); + if (fogenabled) { - // use inverse fog alpha as color - VectorSubtract(e->vert[i], r_origin, diff); - ifog = 1 - exp(fogdensity/DotProduct(diff,diff)); - if (ifog < 0) - ifog = 0; - c[i][0] = ifog; - c[i][1] = ifog; - c[i][2] = ifog; - c[i][3] = alpha; + for (i = 0, c = m.color;i < EXPLOSIONVERTS;i++, c += 4) + { + VectorSubtract(e->vert[i], e->origin, diff); + VectorNormalizeFast(diff); + dist = (DotProduct(diff, centerdir) * 6.0f - 4.0f) * alpha; + if (dist > 0) + { + // use inverse fog alpha + VectorSubtract(e->vert[i], r_origin, diff); + ifog = 1 - exp(fogdensity/DotProduct(diff,diff)); + dist = dist * ifog; + if (dist < 0) + dist = 0; + else + dist *= m.colorscale; + } + else + dist = 0; + c[0] = c[1] = c[2] = dist; + c[3] = 1; + } } - } - */ - m.tex[0] = R_GetTexture(explosiontexture); - m.texcoords[0] = &explosiontexcoords[0][0]; - m.texcoordstep[0] = sizeof(float[2]); - - R_Mesh_Draw(&m); - - /* - if (fogenabled) - { - m.blendfunc1 = GL_SRC_ALPHA; - m.blendfunc2 = GL_ONE; - for (i = 0;i < EXPLOSIONVERTS;i++) + else { - VectorSubtract(e->vert[i], r_origin, diff); - fog = exp(fogdensity/DotProduct(diff,diff)); - c[i][0] = fogcolor[0]; - c[i][1] = fogcolor[1]; - c[i][2] = fogcolor[2]; - c[i][3] = alpha * fog; + for (i = 0, c = m.color;i < EXPLOSIONVERTS;i++, c += 4) + { + VectorSubtract(e->vert[i], e->origin, diff); + VectorNormalizeFast(diff); + dist = (DotProduct(diff, centerdir) * 6.0f - 4.0f) * alpha; + if (dist < 0) + dist = 0; + else + dist *= m.colorscale; + c[0] = c[1] = c[2] = dist; + c[3] = 1; + } } - //m.color = &c[0][0]; - //m.colorstep = sizeof(float[4]); - m.tex[0] = R_GetTexture(explosiontexturefog); - R_Mesh_Draw(&m); } - */ } -void R_MoveExplosion(explosion_t *e/*, explosiongas_t **list, explosiongas_t **listend, */) +void R_MoveExplosion(explosion_t *e) { int i; float dot, frictionscale, end[3], impact[3], normal[3], frametime; - /* - vec3_t diff; - vec_t dist; - explosiongas_t **l; - */ + frametime = cl.time - e->time; e->time = cl.time; e->alpha = EXPLOSIONFADESTART - (cl.time - e->starttime) * EXPLOSIONFADERATE; @@ -351,12 +260,11 @@ void R_MoveExplosion(explosion_t *e/*, explosiongas_t **list, explosiongas_t **l { if (e->vertvel[i][0] || e->vertvel[i][1] || e->vertvel[i][2]) { - //e->vertvel[i][2] += sv_gravity.value * frametime * -0.25f; VectorScale(e->vertvel[i], frictionscale, e->vertvel[i]); VectorMA(e->vert[i], frametime, e->vertvel[i], end); if (r_explosionclip.integer) { - if (TraceLine(e->vert[i], end, impact, normal, 0, true) < 1) + if (CL_TraceLine(e->vert[i], end, impact, normal, 0, true) < 1) { // clip velocity against the wall dot = DotProduct(e->vertvel[i], normal) * -1.125f; @@ -367,108 +275,33 @@ void R_MoveExplosion(explosion_t *e/*, explosiongas_t **list, explosiongas_t **l else VectorCopy(end, e->vert[i]); } - /* - for (l = list;l < listend;l++) - { - VectorSubtract(e->vert[i], (*l)->origin, diff); - dist = DotProduct(diff, diff); - if (dist < 4096 && dist >= 1) - { - dist = (*l)->pressure * frametime / dist; - VectorMA(e->vertvel[i], dist, diff, e->vertvel[i]); - } - } - */ } for (i = 0;i < EXPLOSIONGRID;i++) VectorCopy(e->vert[i * (EXPLOSIONGRID + 1)], e->vert[i * (EXPLOSIONGRID + 1) + EXPLOSIONGRID]); memcpy(e->vert[EXPLOSIONGRID * (EXPLOSIONGRID + 1)], e->vert[0], sizeof(float[3]) * (EXPLOSIONGRID + 1)); } -/* -void R_MoveExplosionGas(explosiongas_t *e, explosiongas_t **list, explosiongas_t **listend, float frametime) -{ - vec3_t end, diff; - vec_t dist, frictionscale; - explosiongas_t **l; - frictionscale = 1 - frametime; - frictionscale = bound(0, frictionscale, 1); - if (e->velocity[0] || e->velocity[1] || e->velocity[2]) - { - end[0] = e->origin[0] + frametime * e->velocity[0]; - end[1] = e->origin[1] + frametime * e->velocity[1]; - end[2] = e->origin[2] + frametime * e->velocity[2]; - if (r_explosionclip.integer) - { - float f, dot; - vec3_t impact, normal; - f = TraceLine(e->origin, end, impact, normal, 0, true); - VectorCopy(impact, e->origin); - if (f < 1) - { - // clip velocity against the wall - dot = DotProduct(e->velocity, normal) * -1.3f; - e->velocity[0] += normal[0] * dot; - e->velocity[1] += normal[1] * dot; - e->velocity[2] += normal[2] * dot; - } - } - else - { - VectorCopy(end, e->origin); - } - e->velocity[2] += sv_gravity.value * frametime; - VectorScale(e->velocity, frictionscale, e->velocity); - } - for (l = list;l < listend;l++) - { - if (*l != e) - { - VectorSubtract(e->origin, (*l)->origin, diff); - dist = DotProduct(diff, diff); - if (dist < 4096 && dist >= 1) - { - dist = (*l)->pressure * frametime / dist; - VectorMA(e->velocity, dist, diff, e->velocity); - } - } - } -} -*/ void R_MoveExplosions(void) { int i; float frametime; -// explosiongas_t *gaslist[MAX_EXPLOSIONGAS], **l, **end; + frametime = cl.time - cl.oldtime; - /* - l = &gaslist[0]; - for (i = 0;i < MAX_EXPLOSIONGAS;i++) - { - if (explosiongas[i].pressure > 0) - { - explosiongas[i].pressure -= frametime * GASFADERATE; - if (explosiongas[i].pressure > 0) - *l++ = &explosiongas[i]; - } - } - end = l; - for (l = gaslist;l < end;l++) - R_MoveExplosionGas(*l, gaslist, end, frametime); - */ for (i = 0;i < MAX_EXPLOSIONS;i++) if (explosion[i].alpha > 0.01f) - R_MoveExplosion(&explosion[i]/*, gaslist, end, */); + R_MoveExplosion(&explosion[i]); } void R_DrawExplosions(void) { int i; + if (!r_drawexplosions.integer) return; for (i = 0;i < MAX_EXPLOSIONS;i++) if (explosion[i].alpha > 0.01f) R_DrawExplosion(&explosion[i]); } +