/* gl_dyn_part.c OpenGL particle system. 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: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #define NH_DEFINE #include "namehack.h" #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #include #include "QF/cmd.h" #include "QF/cvar.h" #include "QF/image.h" #include "QF/mersenne.h" #include "QF/qargs.h" #include "QF/quakefs.h" #include "QF/render.h" #include "QF/sys.h" #include "QF/va.h" #include "QF/GLSL/defines.h" #include "QF/GLSL/funcs.h" //#include "QF/GL/qf_explosions.h" #include "QF/GLSL/qf_particles.h" #include "QF/GLSL/qf_textures.h" #include "QF/GLSL/qf_vid.h" #include "r_internal.h" static mtstate_t mt; // private PRNG state //FIXME not part of GLES, but needed for GL #ifndef GL_VERTEX_PROGRAM_POINT_SIZE # define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642 #endif //FIXME should not be here static int ramp1[8] = { 0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61 }; //static int ramp2[8] = { 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66 }; static int ramp3[8] = { 0x6d, 0x6b, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01 }; static vec3_t vertex_normals[NUMVERTEXNORMALS] = { #include "anorms.h" }; static GLushort *pVAindices; static partvert_t *particleVertexArray; static GLuint part_tex; static const char *particle_point_vert_effects[] = { "QuakeForge.Vertex.particle.point", 0 }; static const char *particle_point_frag_effects[] = { "QuakeForge.Fragment.fog", "QuakeForge.Fragment.palette", "QuakeForge.Fragment.particle.point", 0 }; static const char *particle_textured_vert_effects[] = { "QuakeForge.Vertex.particle.textured", 0 }; static const char *particle_textured_frag_effects[] = { "QuakeForge.Fragment.fog", "QuakeForge.Fragment.palette", "QuakeForge.Fragment.particle.textured", 0 }; static struct { int program; shaderparam_t mvp_matrix; shaderparam_t vertex; shaderparam_t palette; shaderparam_t color; shaderparam_t fog; } quake_point = { 0, {"mvp_mat", 1}, {"vertex", 0}, {"palette", 1}, {"vcolor", 0}, {"fog", 1}, }; static struct { int program; shaderparam_t mvp_matrix; shaderparam_t st; shaderparam_t vertex; shaderparam_t color; shaderparam_t texture; shaderparam_t fog; } quake_part = { 0, {"mvp_mat", 1}, {"vst", 0}, {"vertex", 0}, {"vcolor", 0}, {"texture", 1}, {"fog", 1}, }; inline static void particle_new (ptype_t type, int texnum, const vec3_t org, float scale, const vec3_t vel, float die, int color, float alpha, float ramp) { particle_t *part; /* // Uncomment this for particle debugging! if (numparticles >= r_maxparticles) { Sys_Error ("FAILED PARTICLE ALLOC!"); return NULL; } */ part = &particles[numparticles++]; VectorCopy (org, part->org); part->color = color; part->tex = texnum; part->scale = scale; part->alpha = alpha; VectorCopy (vel, part->vel); part->type = type; part->die = die; part->ramp = ramp; part->phys = R_ParticlePhysics (type); } /* particle_new_random note that org_fuzz & vel_fuzz should be ints greater than 0 if you are going to bother using this function. */ inline static void particle_new_random (ptype_t type, int texnum, const vec3_t org, int org_fuzz, float scale, int vel_fuzz, float die, int color, float alpha, float ramp) { float o_fuzz = org_fuzz, v_fuzz = vel_fuzz; int rnd; vec3_t porg, pvel; rnd = mtwist_rand (&mt); porg[0] = o_fuzz * ((rnd & 63) - 31.5) / 63.0 + org[0]; porg[1] = o_fuzz * (((rnd >> 6) & 63) - 31.5) / 63.0 + org[1]; porg[2] = o_fuzz * (((rnd >> 10) & 63) - 31.5) / 63.0 + org[2]; rnd = mtwist_rand (&mt); pvel[0] = v_fuzz * ((rnd & 63) - 31.5) / 63.0; pvel[1] = v_fuzz * (((rnd >> 6) & 63) - 31.5) / 63.0; pvel[2] = v_fuzz * (((rnd >> 10) & 63) - 31.5) / 63.0; particle_new (type, texnum, porg, scale, pvel, die, color, alpha, ramp); } /* inline static void particle_new_veryrandom (ptype_t type, int texnum, const vec3_t org, int org_fuzz, float scale, int vel_fuzz, float die, int color, float alpha, float ramp) { vec3_t porg, pvel; porg[0] = qfrandom (org_fuzz * 2) - org_fuzz + org[0]; porg[1] = qfrandom (org_fuzz * 2) - org_fuzz + org[1]; porg[2] = qfrandom (org_fuzz * 2) - org_fuzz + org[2]; pvel[0] = qfrandom (vel_fuzz * 2) - vel_fuzz; pvel[1] = qfrandom (vel_fuzz * 2) - vel_fuzz; pvel[2] = qfrandom (vel_fuzz * 2) - vel_fuzz; particle_new (type, texnum, porg, scale, pvel, die, color, alpha, ramp); } */ void glsl_R_ClearParticles (void) { numparticles = 0; } void glsl_R_InitParticles (void) { shader_t *vert_shader, *frag_shader; unsigned i; int vert; int frag; float v[2] = {0, 0}; byte data[64][64][2]; tex_t *tex; mtwist_seed (&mt, 0xdeadbeef); qfeglEnable (GL_VERTEX_PROGRAM_POINT_SIZE); qfeglGetFloatv (GL_ALIASED_POINT_SIZE_RANGE, v); Sys_MaskPrintf (SYS_GLSL, "point size: %g - %g\n", v[0], v[1]); vert_shader = GLSL_BuildShader (particle_point_vert_effects); frag_shader = GLSL_BuildShader (particle_point_frag_effects); vert = GLSL_CompileShader ("quakepnt.vert", vert_shader, GL_VERTEX_SHADER); frag = GLSL_CompileShader ("quakepnt.frag", frag_shader, GL_FRAGMENT_SHADER); quake_point.program = GLSL_LinkProgram ("quakepoint", vert, frag); GLSL_ResolveShaderParam (quake_point.program, &quake_point.mvp_matrix); GLSL_ResolveShaderParam (quake_point.program, &quake_point.vertex); GLSL_ResolveShaderParam (quake_point.program, &quake_point.palette); GLSL_ResolveShaderParam (quake_point.program, &quake_point.color); GLSL_ResolveShaderParam (quake_point.program, &quake_point.fog); GLSL_FreeShader (vert_shader); GLSL_FreeShader (frag_shader); vert_shader = GLSL_BuildShader (particle_textured_vert_effects); frag_shader = GLSL_BuildShader (particle_textured_frag_effects); vert = GLSL_CompileShader ("quakepar.vert", vert_shader, GL_VERTEX_SHADER); frag = GLSL_CompileShader ("quakepar.frag", frag_shader, GL_FRAGMENT_SHADER); quake_part.program = GLSL_LinkProgram ("quakepart", vert, frag); GLSL_ResolveShaderParam (quake_part.program, &quake_part.mvp_matrix); GLSL_ResolveShaderParam (quake_part.program, &quake_part.st); GLSL_ResolveShaderParam (quake_part.program, &quake_part.vertex); GLSL_ResolveShaderParam (quake_part.program, &quake_part.color); GLSL_ResolveShaderParam (quake_part.program, &quake_part.texture); GLSL_ResolveShaderParam (quake_part.program, &quake_part.fog); GLSL_FreeShader (vert_shader); GLSL_FreeShader (frag_shader); memset (data, 0, sizeof (data)); qfeglGenTextures (1, &part_tex); qfeglBindTexture (GL_TEXTURE_2D, part_tex); qfeglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); qfeglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); qfeglTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA, 64, 64, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, data); tex = R_DotParticleTexture (); qfeglTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, 32, 32, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, tex->data); free (tex); tex = R_SparkParticleTexture (); qfeglTexSubImage2D (GL_TEXTURE_2D, 0, 32, 0, 32, 32, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, tex->data); free (tex); tex = R_SmokeParticleTexture (); qfeglTexSubImage2D (GL_TEXTURE_2D, 0, 0, 32, 32, 32, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, tex->data); free (tex); if (particleVertexArray) free (particleVertexArray); particleVertexArray = calloc (r_maxparticles * 4, sizeof (partvert_t)); if (pVAindices) free (pVAindices); pVAindices = calloc (r_maxparticles * 6, sizeof (GLushort)); for (i = 0; i < r_maxparticles; i++) { pVAindices[i * 6 + 0] = i * 4 + 0; pVAindices[i * 6 + 1] = i * 4 + 1; pVAindices[i * 6 + 2] = i * 4 + 2; pVAindices[i * 6 + 3] = i * 4 + 0; pVAindices[i * 6 + 4] = i * 4 + 2; pVAindices[i * 6 + 5] = i * 4 + 3; } } void glsl_R_ReadPointFile_f (void) { const char *name; char *mapname; int c, r; vec3_t org; QFile *f; mapname = strdup (r_worldentity.model->name); if (!mapname) Sys_Error ("Can't duplicate mapname!"); QFS_StripExtension (mapname, mapname); name = va ("%s.pts", mapname); free (mapname); f = QFS_FOpenFile (name); if (!f) { Sys_Printf ("couldn't open %s\n", name); return; } Sys_MaskPrintf (SYS_DEV, "Reading %s...\n", name); c = 0; for (;;) { char buf[64]; Qgets (f, buf, sizeof (buf)); r = sscanf (buf, "%f %f %f\n", &org[0], &org[1], &org[2]); if (r != 3) break; c++; if (numparticles >= r_maxparticles) { Sys_MaskPrintf (SYS_DEV, "Not enough free particles\n"); break; } else { particle_new (pt_static, part_tex_dot, org, 1.5, vec3_origin, 99999, (-c) & 15, 1.0, 0.0); } } Qclose (f); Sys_MaskPrintf (SYS_DEV, "%i points read\n", c); } static void R_ParticleExplosion_QF (const vec3_t org) { // R_NewExplosion (org); if (numparticles >= r_maxparticles) return; particle_new_random (pt_smokecloud, part_tex_smoke, org, 4, 30, 8, vr_data.realtime + 5.0, (mtwist_rand (&mt) & 7) + 8, 0.5 + qfrandom (0.25), 0.0); } static void R_ParticleExplosion2_QF (const vec3_t org, int colorStart, int colorLength) { unsigned int i, j = 512; if (numparticles >= r_maxparticles) return; else if (numparticles + j >= r_maxparticles) j = r_maxparticles - numparticles; for (i = 0; i < j; i++) { particle_new_random (pt_blob, part_tex_dot, org, 16, 2, 256, vr_data.realtime + 0.3, colorStart + (i % colorLength), 1.0, 0.0); } } static void R_BlobExplosion_QF (const vec3_t org) { unsigned int i; unsigned int j = 1024; if (numparticles >= r_maxparticles) return; else if (numparticles + j >= r_maxparticles) j = r_maxparticles - numparticles; for (i = 0; i < j >> 1; i++) { particle_new_random (pt_blob, part_tex_dot, org, 12, 2, 256, vr_data.realtime + 1.0 + (mtwist_rand (&mt) & 7) * 0.05, 66 + i % 6, 1.0, 0.0); } for (i = 0; i < j / 2; i++) { particle_new_random (pt_blob2, part_tex_dot, org, 12, 2, 256, vr_data.realtime + 1.0 + (mtwist_rand (&mt) & 7) * 0.05, 150 + i % 6, 1.0, 0.0); } } static inline void R_RunSparkEffect_QF (const vec3_t org, int count, int ofuzz) { if (numparticles >= r_maxparticles) return; particle_new (pt_smokecloud, part_tex_smoke, org, ofuzz * 0.08, vec3_origin, vr_data.realtime + 9, 12 + (mtwist_rand (&mt) & 3), 0.25 + qfrandom (0.125), 0.0); if (numparticles + count >= r_maxparticles) count = r_maxparticles - numparticles; if (count) { int orgfuzz = ofuzz * 3 / 4; if (orgfuzz < 1) orgfuzz = 1; while (count--) { int color = mtwist_rand (&mt) & 7; particle_new_random (pt_fallfadespark, part_tex_dot, org, orgfuzz, 0.7, 96, vr_data.realtime + 5.0, ramp1[color], 1.0, color); } } } static inline void R_BloodPuff_QF (const vec3_t org, int count) { if (numparticles >= r_maxparticles) return; particle_new (pt_bloodcloud, part_tex_smoke, org, count / 5, vec3_origin, vr_data.realtime + 99.0, 70 + (mtwist_rand (&mt) & 3), 0.5, 0.0); } static void R_BloodPuffEffect_QF (const vec3_t org, int count) { R_BloodPuff_QF (org, count); } static void R_GunshotEffect_QF (const vec3_t org, int count) { int scale = 16; scale += count / 15; R_RunSparkEffect_QF (org, count >> 1, scale); } static void R_LightningBloodEffect_QF (const vec3_t org) { int count = 7; R_BloodPuff_QF (org, 50); if (numparticles >= r_maxparticles) return; particle_new (pt_smokecloud, part_tex_smoke, org, 3.0, vec3_origin, vr_data.realtime + 9.0, 12 + (mtwist_rand (&mt) & 3), 0.25 + qfrandom (0.125), 0.0); if (numparticles + count >= r_maxparticles) count = r_maxparticles - numparticles; while (count--) particle_new_random (pt_fallfade, part_tex_spark, org, 12, 2.0, 128, vr_data.realtime + 5.0, 244 + (count % 3), 1.0, 0.0); } static void R_RunParticleEffect_QF (const vec3_t org, const vec3_t dir, int color, int count) { float scale; int i; vec3_t porg; if (numparticles >= r_maxparticles) return; scale = pow (count, 0.23); // calculate scale before clipping to part. max if (numparticles + count >= r_maxparticles) count = r_maxparticles - numparticles; for (i = 0; i < count; i++) { int rnd = mtwist_rand (&mt); porg[0] = org[0] + scale * (((rnd >> 3) & 15) - 7.5); porg[1] = org[1] + scale * (((rnd >> 7) & 15) - 7.5); porg[2] = org[2] + scale * (((rnd >> 11) & 15) - 7.5); // Note that ParseParticleEffect handles (dir * 15) particle_new (pt_grav, part_tex_dot, porg, 1.5, dir, vr_data.realtime + 0.1 * (i % 5), (color & ~7) + (rnd & 7), 1.0, 0.0); } } static void R_SpikeEffect_QF (const vec3_t org) { R_RunSparkEffect_QF (org, 5, 8); } static void R_SuperSpikeEffect_QF (const vec3_t org) { R_RunSparkEffect_QF (org, 10, 8); } static void R_KnightSpikeEffect_QF (const vec3_t org) { unsigned int count = 10; if (numparticles >= r_maxparticles) return; particle_new (pt_smokecloud, part_tex_smoke, org, 1.0, vec3_origin, vr_data.realtime + 9.0, 234, 0.25 + qfrandom (0.125), 0.0); if (numparticles + count >= r_maxparticles) count = r_maxparticles - numparticles; while (count--) particle_new_random (pt_fallfade, part_tex_dot, org, 6, 0.7, 96, vr_data.realtime + 5.0, 234, 1.0, 0.0); } static void R_WizSpikeEffect_QF (const vec3_t org) { unsigned int count = 15; if (numparticles >= r_maxparticles) return; particle_new (pt_smokecloud, part_tex_smoke, org, 2.0, vec3_origin, vr_data.realtime + 9.0, 63, 0.25 + qfrandom (0.125), 0.0); if (numparticles + count >= r_maxparticles) count = r_maxparticles - numparticles; while (count--) particle_new_random (pt_fallfade, part_tex_dot, org, 12, 0.7, 96, vr_data.realtime + 5.0, 63, 1.0, 0.0); } static void R_LavaSplash_QF (const vec3_t org) { float vel; int rnd, i, j; int k = 256; vec3_t dir, porg, pvel; if (numparticles + k >= r_maxparticles) { return; } // else if (numparticles + k >= r_maxparticles) { // k = r_maxparticles - numparticles; // } dir[2] = 256; for (i = -128; i < 128; i += 16) { for (j = -128; j < 128; j += 16) { rnd = mtwist_rand (&mt); dir[0] = j + (rnd & 7); dir[1] = i + ((rnd >> 6) & 7); porg[0] = org[0] + dir[0]; porg[1] = org[1] + dir[1]; porg[2] = org[2] + ((rnd >> 9) & 63); VectorNormalize (dir); rnd = mtwist_rand (&mt); vel = 50.0 + 0.5 * (float) (rnd & 127); VectorScale (dir, vel, pvel); particle_new (pt_grav, part_tex_dot, porg, 3, pvel, vr_data.realtime + 2.0 + ((rnd >> 7) & 31) * 0.02, 224 + ((rnd >> 12) & 7), 0.75, 0.0); } } } static void R_TeleportSplash_QF (const vec3_t org) { float vel; int rnd, i, j, k; int l = 896; vec3_t dir, pdir, porg, pvel; if (numparticles + l >= r_maxparticles) { return; } // else if (numparticles + l >= r_maxparticles) { // l = r_maxparticles - numparticles; // } for (k = -24; k < 32; k += 4) { dir[2] = k * 8; for (i = -16; i < 16; i += 4) { dir[1] = i * 8; for (j = -16; j < 16; j += 4) { dir[0] = j * 8; VectorCopy (dir, pdir); VectorNormalize (pdir); rnd = mtwist_rand (&mt); porg[0] = org[0] + i + (rnd & 3); porg[1] = org[1] + j + ((rnd >> 2) & 3); porg[2] = org[2] + k + ((rnd >> 4) & 3); vel = 50 + ((rnd >> 6) & 63); VectorScale (pdir, vel, pvel); particle_new (pt_grav, part_tex_spark, porg, 0.6, pvel, (vr_data.realtime + 0.2 + (mtwist_rand (&mt) & 15) * 0.01), (7 + ((rnd >> 12) & 7)), 1.0, 0.0); } } } } static void R_RocketTrail_QF (const entity_t *ent) { float dist, maxlen, origlen, percent, pscale, pscalenext; float len = 0.0; vec3_t old_origin, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; pscale = 1.5 + qfrandom (1.5); while (len < maxlen) { pscalenext = 1.5 + qfrandom (1.5); dist = (pscale + pscalenext) * 3.0; percent = len * origlen; particle_new (pt_smoke, part_tex_smoke, old_origin, pscale + percent * 4.0, vec3_origin, vr_data.realtime + 2.0 - percent * 2.0, 12 + (mtwist_rand (&mt) & 3), 0.5 + qfrandom (0.125) - percent * 0.40, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorMultAdd (old_origin, len, vec, old_origin); pscale = pscalenext; } } static void R_GrenadeTrail_QF (const entity_t *ent) { float dist, maxlen, origlen, percent, pscale, pscalenext; float len = 0.0; vec3_t old_origin, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; pscale = 6.0 + qfrandom (7.0); while (len < maxlen) { pscalenext = 6.0 + qfrandom (7.0); dist = (pscale + pscalenext) * 2.0; percent = len * origlen; particle_new (pt_smoke, part_tex_smoke, old_origin, pscale + percent * 4.0, vec3_origin, vr_data.realtime + 2.0 - percent * 2.0, 1 + (mtwist_rand (&mt) & 3), 0.625 + qfrandom (0.125) - percent * 0.40, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorMultAdd (old_origin, len, vec, old_origin); pscale = pscalenext; } } static void R_BloodTrail_QF (const entity_t *ent) { float dist, maxlen, origlen, percent, pscale, pscalenext; float len = 0.0; int j; vec3_t old_origin, porg, pvel, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; pscale = 5.0 + qfrandom (10.0); while (len < maxlen) { pscalenext = 5.0 + qfrandom (10.0); dist = (pscale + pscalenext) * 1.5; for (j = 0; j < 3; j++) { pvel[j] = qfrandom (24.0) - 12.0; porg[j] = old_origin[j] + qfrandom (3.0) - 1.5; } percent = len * origlen; pvel[2] -= percent * 40.0; particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel, vr_data.realtime + 2.0 - percent * 2.0, 68 + (mtwist_rand (&mt) & 3), 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorMultAdd (old_origin, len, vec, old_origin); pscale = pscalenext; } } static void R_SlightBloodTrail_QF (const entity_t *ent) { float dist, maxlen, origlen, percent, pscale, pscalenext; float len = 0.0; int j; vec3_t old_origin, porg, pvel, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; pscale = 1.5 + qfrandom (7.5); while (len < maxlen) { pscalenext = 1.5 + qfrandom (7.5); dist = (pscale + pscalenext) * 1.5; for (j = 0; j < 3; j++) { pvel[j] = (qfrandom (12.0) - 6.0); porg[j] = old_origin[j] + qfrandom (3.0) - 1.5; } percent = len * origlen; pvel[2] -= percent * 40; particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel, vr_data.realtime + 1.5 - percent * 1.5, 68 + (mtwist_rand (&mt) & 3), 0.75, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorMultAdd (old_origin, len, vec, old_origin); pscale = pscalenext; } } static void R_WizTrail_QF (const entity_t *ent) { float maxlen, origlen, percent; float dist = 3.0, len = 0.0; static int tracercount; vec3_t old_origin, pvel, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { percent = len * origlen; tracercount++; if (tracercount & 1) { pvel[0] = 30.0 * vec[1]; pvel[1] = 30.0 * -vec[0]; } else { pvel[0] = 30.0 * -vec[1]; pvel[1] = 30.0 * vec[0]; } pvel[2] = 0.0; particle_new (pt_flame, part_tex_smoke, old_origin, 2.0 + qfrandom (1.0) - percent * 2.0, pvel, vr_data.realtime + 0.5 - percent * 0.5, 52 + (mtwist_rand (&mt) & 4), 1.0 - percent * 0.125, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_FlameTrail_QF (const entity_t *ent) { float maxlen, origlen, percent; float dist = 3.0, len = 0.0; static int tracercount; vec3_t old_origin, pvel, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { percent = len * origlen; tracercount++; if (tracercount & 1) { pvel[0] = 30.0 * vec[1]; pvel[1] = 30.0 * -vec[0]; } else { pvel[0] = 30.0 * -vec[1]; pvel[1] = 30.0 * vec[0]; } pvel[2] = 0.0; particle_new (pt_flame, part_tex_smoke, old_origin, 2.0 + qfrandom (1.0) - percent * 2.0, pvel, vr_data.realtime + 0.5 - percent * 0.5, 234, 1.0 - percent * 0.125, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_VoorTrail_QF (const entity_t *ent) { float maxlen, origlen, percent; float dist = 3.0, len = 0.0; int j; vec3_t subtract, old_origin, porg, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { percent = len * origlen; for (j = 0; j < 3; j++) porg[j] = old_origin[j] + qfrandom (16.0) - 8.0; particle_new (pt_static, part_tex_dot, porg, 1.0 + qfrandom (1.0), vec3_origin, vr_data.realtime + 0.3 - percent * 0.3, 9 * 16 + 8 + (mtwist_rand (&mt) & 3), 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_GlowTrail_QF (const entity_t *ent, int glow_color) { float maxlen, origlen, percent; float dist = 3.0, len = 0.0; int rnd; vec3_t old_origin, org, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; VectorScale (vec, (maxlen - dist), subtract); while (len < maxlen) { percent = len * origlen; rnd = mtwist_rand (&mt); org[0] = old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5; org[1] = old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5; org[2] = old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5; particle_new (pt_smoke, part_tex_dot, org, 1.0, vec3_origin, vr_data.realtime + 2.0 - percent * 0.2, glow_color, 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_ParticleExplosion_EE (const vec3_t org) { /* R_NewExplosion (org); */ if (numparticles >= r_maxparticles) return; particle_new_random (pt_smokecloud, part_tex_smoke, org, 4, 30, 8, vr_data.realtime + 5.0, mtwist_rand (&mt) & 255, 0.5 + qfrandom (0.25), 0.0); } static void R_TeleportSplash_EE (const vec3_t org) { float vel; int rnd, i, j, k; int l = 896; vec3_t dir, porg, pvel; if (numparticles + l >= r_maxparticles) { return; } // else if (numparticles + l >= r_maxparticles) { // l = r_maxparticles - numparticles; // } for (k = -24; k < 32; k += 4) { dir[2] = k * 8; for (i = -16; i < 16; i += 4) { dir[1] = i * 8; for (j = -16; j < 16; j += 4) { dir[0] = j * 8; rnd = mtwist_rand (&mt); porg[0] = org[0] + i + (rnd & 3); porg[1] = org[1] + j + ((rnd >> 2) & 3); porg[2] = org[2] + k + ((rnd >> 4) & 3); VectorNormalize (dir); vel = 50 + ((rnd >> 6) & 63); VectorScale (dir, vel, pvel); particle_new (pt_grav, part_tex_spark, porg, 0.6, pvel, (vr_data.realtime + 0.2 + (mtwist_rand (&mt) & 15) * 0.01), qfrandom (1.0), 1.0, 0.0); } } } } static void R_RocketTrail_EE (const entity_t *ent) { float dist, maxlen, origlen, percent, pscale, pscalenext; float len = 0.0; vec3_t old_origin, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; pscale = 1.5 + qfrandom (1.5); while (len < maxlen) { pscalenext = 1.5 + qfrandom (1.5); dist = (pscale + pscalenext) * 3.0; percent = len * origlen; particle_new (pt_smoke, part_tex_smoke, old_origin, pscale + percent * 4.0, vec3_origin, vr_data.realtime + 2.0 - percent * 2.0, mtwist_rand (&mt) & 255, 0.5 + qfrandom (0.125) - percent * 0.40, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorScale (vec, len, subtract); VectorAdd (old_origin, subtract, old_origin); pscale = pscalenext; } } static void R_GrenadeTrail_EE (const entity_t *ent) { float dist, maxlen, origlen, percent, pscale, pscalenext; float len = 0.0; vec3_t old_origin, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, ent->old_origin, vec); maxlen = VectorNormalize (vec); origlen = vr_data.frametime / maxlen; pscale = 6.0 + qfrandom (7.0); while (len < maxlen) { pscalenext = 6.0 + qfrandom (7.0); dist = (pscale + pscalenext) * 2.0; percent = len * origlen; particle_new (pt_smoke, part_tex_smoke, old_origin, pscale + percent * 4.0, vec3_origin, vr_data.realtime + 2.0 - percent * 2.0, mtwist_rand (&mt) & 255, 0.625 + qfrandom (0.125) - percent * 0.40, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorScale (vec, len, subtract); VectorAdd (old_origin, subtract, old_origin); pscale = pscalenext; } } static void R_ParticleExplosion_ID (const vec3_t org) { unsigned int i; unsigned int j = 1024; if (numparticles >= r_maxparticles) return; else if (numparticles + j >= r_maxparticles) j = r_maxparticles - numparticles; for (i = 0; i < j >> 1; i++) { particle_new_random (pt_explode, part_tex_dot, org, 16, 1.0, 256, vr_data.realtime + 5.0, ramp1[0], 1.0, i & 3); } for (i = 0; i < j / 2; i++) { particle_new_random (pt_explode2, part_tex_dot, org, 16, 1.0, 256, vr_data.realtime + 5.0, ramp1[0], 1.0, i & 3); } } static void R_BlobExplosion_ID (const vec3_t org) { unsigned int i; unsigned int j = 1024; if (numparticles >= r_maxparticles) return; else if (numparticles + j >= r_maxparticles) j = r_maxparticles - numparticles; for (i = 0; i < j >> 1; i++) { particle_new_random (pt_blob, part_tex_dot, org, 12, 1.0, 256, vr_data.realtime + 1.0 + (mtwist_rand (&mt) & 8) * 0.05, 66 + i % 6, 1.0, 0.0); } for (i = 0; i < j / 2; i++) { particle_new_random (pt_blob2, part_tex_dot, org, 12, 1.0, 256, vr_data.realtime + 1.0 + (mtwist_rand (&mt) & 8) * 0.05, 150 + i % 6, 1.0, 0.0); } } static inline void // FIXME: inline? R_RunParticleEffect_ID (const vec3_t org, const vec3_t dir, int color, int count) { float scale; int i; vec3_t porg; if (numparticles >= r_maxparticles) return; if (count > 130) // calculate scale before clipping to particle max scale = 3.0; else if (count > 20) scale = 2.0; else scale = 1.0; if (numparticles + count >= r_maxparticles) count = r_maxparticles - numparticles; for (i = 0; i < count; i++) { int rnd = mtwist_rand (&mt); porg[0] = org[0] + scale * (((rnd >> 3) & 15) - 8); porg[1] = org[1] + scale * (((rnd >> 7) & 15) - 8); porg[2] = org[2] + scale * (((rnd >> 11) & 15) - 8); // Note that ParseParticleEffect handles (dir * 15) particle_new (pt_grav, part_tex_dot, porg, 1.0, dir, vr_data.realtime + 0.1 * (i % 5), (color & ~7) + (rnd & 7), 1.0, 0.0); } } static void R_BloodPuffEffect_ID (const vec3_t org, int count) { R_RunParticleEffect_ID (org, vec3_origin, 73, count); } static void R_GunshotEffect_ID (const vec3_t org, int count) { R_RunParticleEffect_ID (org, vec3_origin, 0, count); } static void R_LightningBloodEffect_ID (const vec3_t org) { R_RunParticleEffect_ID (org, vec3_origin, 225, 50); } static void R_SpikeEffect_ID (const vec3_t org) { R_RunParticleEffect_ID (org, vec3_origin, 0, 10); } static void R_SuperSpikeEffect_ID (const vec3_t org) { R_RunParticleEffect_ID (org, vec3_origin, 0, 20); } static void R_KnightSpikeEffect_ID (const vec3_t org) { R_RunParticleEffect_ID (org, vec3_origin, 226, 20); } static void R_WizSpikeEffect_ID (const vec3_t org) { R_RunParticleEffect_ID (org, vec3_origin, 20, 30); } static void R_LavaSplash_ID (const vec3_t org) { float vel; int rnd, i, j; int k = 256; vec3_t dir, porg, pvel; if (numparticles + k >= r_maxparticles) { return; } // else if (numparticles + k >= r_maxparticles) { // k = r_maxparticles - numparticles; // } dir[2] = 256; for (i = -128; i < 128; i += 16) { for (j = -128; j < 128; j += 16) { rnd = mtwist_rand (&mt); dir[0] = j + (rnd & 7); dir[1] = i + ((rnd >> 6) & 7); porg[0] = org[0] + dir[0]; porg[1] = org[1] + dir[1]; porg[2] = org[2] + ((rnd >> 9) & 63); VectorNormalize (dir); rnd = mtwist_rand (&mt); vel = 50 + (rnd & 63); VectorScale (dir, vel, pvel); particle_new (pt_grav, part_tex_dot, porg, 1.0, pvel, vr_data.realtime + 2 + ((rnd >> 7) & 31) * 0.02, 224 + ((rnd >> 12) & 7), 1.0, 0.0); } } } static void R_TeleportSplash_ID (const vec3_t org) { float vel; int rnd, i, j, k; int l = 896; vec3_t dir, pdir, porg, pvel; if (numparticles + l >= r_maxparticles) { return; } // else if (numparticles + l >= r_maxparticles) { // l = r_maxparticles - numparticles; // } for (k = -24; k < 32; k += 4) { dir[2] = k * 8; for (i = -16; i < 16; i += 4) { dir[1] = i * 8; for (j = -16; j < 16; j += 4) { dir[0] = j * 8; VectorCopy (dir, pdir); VectorNormalize (pdir); rnd = mtwist_rand (&mt); porg[0] = org[0] + i + (rnd & 3); porg[1] = org[1] + j + ((rnd >> 2) & 3); porg[2] = org[2] + k + ((rnd >> 4) & 3); vel = 50 + ((rnd >> 6) & 63); VectorScale (pdir, vel, pvel); particle_new (pt_grav, part_tex_dot, porg, 1.0, pvel, (vr_data.realtime + 0.2 + (mtwist_rand (&mt) & 7) * 0.02), (7 + ((rnd >> 12) & 7)), 1.0, 0.0); } } } } static void R_DarkFieldParticles_ID (const entity_t *ent) { int i, j, k, l = 64; unsigned int rnd; float vel; vec3_t dir, org, porg, pvel; if (numparticles + l >= r_maxparticles) { return; } // else if (numparticles + l >= r_maxparticles) { // l = r_maxparticles - numparticles; // } VectorCopy (ent->origin, org); for (i = -16; i < 16; i += 8) { dir [1] = i * 8; for (j = -16; j < 16; j += 8) { dir [0] = j * 8; for (k = 0; k < 32; k += 8) { dir [2] = k * 8; rnd = mtwist_rand (&mt); porg[0] = org[0] + i + ((rnd >> 3) & 3); porg[1] = org[1] + j + ((rnd >> 5) & 3); porg[2] = org[2] + k + ((rnd >> 7) & 3); VectorNormalize (dir); vel = 50 + ((rnd >> 9) & 63); VectorScale (dir, vel, pvel); particle_new (pt_slowgrav, part_tex_dot, porg, 1.5, pvel, (vr_data.realtime + 0.2 + (rnd & 7) * 0.02), (150 + mtwist_rand (&mt) % 6), 1.0, 0.0); } } } } static vec3_t avelocities[NUMVERTEXNORMALS]; static void R_EntityParticles_ID (const entity_t *ent) { int i, j = NUMVERTEXNORMALS; float angle, sp, sy, cp, cy; // cr, sr float beamlength = 16.0, dist = 64.0; vec3_t forward, porg; if (numparticles + j >= r_maxparticles) { return; } else if (numparticles + j >= r_maxparticles) { j = r_maxparticles - numparticles; } for (i = 0; i < NUMVERTEXNORMALS; i++) { int k; for (k = 0; k < 3; k++) { avelocities[i][k] = (mtwist_rand (&mt) & 255) * 0.01; } } for (i = 0; i < j; i++) { angle = vr_data.realtime * avelocities[i][0]; cy = cos (angle); sy = sin (angle); angle = vr_data.realtime * avelocities[i][1]; cp = cos (angle); sp = sin (angle); // Next 3 lines results aren't currently used, may be in future. --Despair // angle = vr_data.realtime * avelocities[i][2]; // sr = sin (angle); // cr = cos (angle); forward[0] = cp * cy; forward[1] = cp * sy; forward[2] = -sp; porg[0] = ent->origin[0] + vertex_normals[i][0] * dist + forward[0] * beamlength; porg[1] = ent->origin[1] + vertex_normals[i][1] * dist + forward[1] * beamlength; porg[2] = ent->origin[2] + vertex_normals[i][2] * dist + forward[2] * beamlength; particle_new (pt_explode, part_tex_dot, porg, 1.0, vec3_origin, vr_data.realtime + 0.01, 0x6f, 1.0, 0); } } static void R_RocketTrail_ID (const entity_t *ent) { float maxlen; float dist = 3.0, len = 0.0; int ramp, rnd; vec3_t old_origin, org, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, ent->old_origin, vec); maxlen = VectorNormalize (vec); VectorScale (vec, (maxlen - dist), subtract); while (len < maxlen) { rnd = mtwist_rand (&mt); org[0] = old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5; org[1] = old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5; org[2] = old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5; ramp = rnd & 3; particle_new (pt_fire, part_tex_dot, org, 1.0, vec3_origin, vr_data.realtime + 2.0, ramp3[ramp], 1.0, ramp); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_GrenadeTrail_ID (const entity_t *ent) { float maxlen; float dist = 3.0, len = 0.0; unsigned int ramp, rnd; vec3_t old_origin, org, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, ent->old_origin, vec); maxlen = VectorNormalize (vec); VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { rnd = mtwist_rand (&mt); org[0] = old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5; org[1] = old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5; org[2] = old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5; ramp = (rnd & 3) + 2; particle_new (pt_fire, part_tex_dot, org, 1.0, vec3_origin, vr_data.realtime + 2.0, ramp3[ramp], 1.0, ramp); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_BloodTrail_ID (const entity_t *ent) { float maxlen; float dist = 3.0, len = 0.0; unsigned int rnd; vec3_t old_origin, subtract, vec, porg; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { rnd = mtwist_rand (&mt); porg[0] = old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5; porg[1] = old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5; porg[2] = old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5; particle_new (pt_grav, part_tex_dot, porg, 1.0, vec3_origin, vr_data.realtime + 2.0, 67 + (rnd & 3), 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_SlightBloodTrail_ID (const entity_t *ent) { float maxlen; float dist = 6.0, len = 0.0; unsigned int rnd; vec3_t old_origin, porg, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { rnd = mtwist_rand (&mt); porg[0] = old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5; porg[1] = old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5; porg[2] = old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5; particle_new (pt_grav, part_tex_dot, porg, 1.0, vec3_origin, vr_data.realtime + 1.5, 67 + (rnd & 3), 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_WizTrail_ID (const entity_t *ent) { float maxlen; float dist = 3.0, len = 0.0; static int tracercount; vec3_t old_origin, pvel, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { tracercount++; if (tracercount & 1) { pvel[0] = 30.0 * vec[1]; pvel[1] = 30.0 * -vec[0]; } else { pvel[0] = 30.0 * -vec[1]; pvel[1] = 30.0 * vec[0]; } pvel[2] = 0.0; particle_new (pt_static, part_tex_dot, old_origin, 1.0, pvel, vr_data.realtime + 0.5, 52 + ((tracercount & 4) << 1), 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_FlameTrail_ID (const entity_t *ent) { float maxlen; float dist = 3.0, len = 0.0; static int tracercount; vec3_t old_origin, pvel, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { tracercount++; if (tracercount & 1) { pvel[0] = 30.0 * vec[1]; pvel[1] = 30.0 * -vec[0]; } else { pvel[0] = 30.0 * -vec[1]; pvel[1] = 30.0 * vec[0]; } pvel[2] = 0.0; particle_new (pt_static, part_tex_dot, old_origin, 1.0, pvel, vr_data.realtime + 0.5, 230 + ((tracercount & 4) << 1), 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void R_VoorTrail_ID (const entity_t *ent) { float maxlen; float dist = 3.0, len = 0.0; unsigned int rnd; vec3_t old_origin, porg, subtract, vec; if (numparticles >= r_maxparticles) return; VectorCopy (ent->old_origin, old_origin); VectorSubtract (ent->origin, old_origin, vec); maxlen = VectorNormalize (vec); VectorScale (vec, maxlen - dist, subtract); while (len < maxlen) { rnd = mtwist_rand (&mt); porg[0] = old_origin[0] + ((rnd >> 3) & 15) - 7.5; porg[1] = old_origin[1] + ((rnd >> 7) & 15) - 7.5; porg[2] = old_origin[2] + ((rnd >> 11) & 15) - 7.5; particle_new (pt_static, part_tex_dot, porg, 1.0, vec3_origin, vr_data.realtime + 0.3, 9 * 16 + 8 + (rnd & 3), 1.0, 0.0); if (numparticles >= r_maxparticles) break; len += dist; VectorAdd (old_origin, subtract, old_origin); } } static void draw_qf_particles (void) { byte *at; int activeparticles, maxparticle, j, vacount; unsigned k; float minparticledist, scale; particle_t *part; vec3_t up_scale, right_scale, up_right_scale, down_right_scale; partvert_t *VA; mat4_t vp_mat; quat_t fog; Mat4Mult (glsl_projection, glsl_view, vp_mat); qfeglDepthMask (GL_FALSE); qfeglUseProgram (quake_part.program); qfeglEnableVertexAttribArray (quake_part.vertex.location); qfeglEnableVertexAttribArray (quake_part.color.location); qfeglEnableVertexAttribArray (quake_part.st.location); VectorCopy (glsl_Fog_GetColor (), fog); fog[3] = glsl_Fog_GetDensity () / 64.0; qfeglUniform4fv (quake_part.fog.location, 1, fog); qfeglUniformMatrix4fv (quake_part.mvp_matrix.location, 1, false, vp_mat); qfeglUniform1i (quake_part.texture.location, 0); qfeglActiveTexture (GL_TEXTURE0 + 0); qfeglEnable (GL_TEXTURE_2D); qfeglBindTexture (GL_TEXTURE_2D, part_tex); // LordHavoc: particles should not affect zbuffer qfeglDepthMask (GL_FALSE); minparticledist = DotProduct (r_refdef.vieworg, vpn) + r_particles_nearclip->value; activeparticles = 0; vacount = 0; VA = particleVertexArray; maxparticle = -1; j = 0; for (k = 0, part = particles; k < numparticles; k++, part++) { // Don't render particles too close to us. // Note, we must still do physics and such on them. if (!(DotProduct (part->org, vpn) < minparticledist)) { at = (byte *) &d_8to24table[(byte) part->color]; VA[0].color[0] = at[0]; VA[0].color[1] = at[1]; VA[0].color[2] = at[2]; VA[0].color[3] = part->alpha * 255; memcpy (VA[1].color, VA[0].color, sizeof (VA[0].color)); memcpy (VA[2].color, VA[0].color, sizeof (VA[0].color)); memcpy (VA[3].color, VA[0].color, sizeof (VA[0].color)); switch (part->tex) { case part_tex_dot: VA[0].texcoord[0] = 0.0; VA[0].texcoord[1] = 0.0; VA[1].texcoord[0] = 0.5; VA[1].texcoord[1] = 0.0; VA[2].texcoord[0] = 0.5; VA[2].texcoord[1] = 0.5; VA[3].texcoord[0] = 0.0; VA[3].texcoord[1] = 0.5; break; case part_tex_spark: VA[0].texcoord[0] = 0.5; VA[0].texcoord[1] = 0.0; VA[1].texcoord[0] = 1.0; VA[1].texcoord[1] = 0.0; VA[2].texcoord[0] = 1.0; VA[2].texcoord[1] = 0.5; VA[3].texcoord[0] = 0.5; VA[3].texcoord[1] = 0.5; break; case part_tex_smoke: VA[0].texcoord[0] = 0.0; VA[0].texcoord[1] = 0.5; VA[1].texcoord[0] = 0.5; VA[1].texcoord[1] = 0.5; VA[2].texcoord[0] = 0.5; VA[2].texcoord[1] = 1.0; VA[3].texcoord[0] = 0.0; VA[3].texcoord[1] = 1.0; break; } scale = part->scale; VectorScale (vup, scale, up_scale); VectorScale (vright, scale, right_scale); VectorAdd (right_scale, up_scale, up_right_scale); VectorSubtract (right_scale, up_scale, down_right_scale); VectorAdd (part->org, down_right_scale, VA[0].vertex); VectorSubtract (part->org, up_right_scale, VA[1].vertex); VectorSubtract (part->org, down_right_scale, VA[2].vertex); VectorAdd (part->org, up_right_scale, VA[3].vertex); VA += 4; vacount += 6; } part->phys (part); // LordHavoc: immediate removal of unnecessary particles (must be done // to ensure compactor below operates properly in all cases) if (part->die < vr_data.realtime) { freeparticles[j++] = part; } else { maxparticle = k; activeparticles++; } } qfeglVertexAttribPointer (quake_part.vertex.location, 3, GL_FLOAT, 0, sizeof (partvert_t), &particleVertexArray[0].vertex); qfeglVertexAttribPointer (quake_part.color.location, 4, GL_UNSIGNED_BYTE, 1, sizeof (partvert_t), &particleVertexArray[0].color); qfeglVertexAttribPointer (quake_part.st.location, 2, GL_FLOAT, 0, sizeof (partvert_t), &particleVertexArray[0].texcoord); qfeglDrawElements (GL_TRIANGLES, vacount, GL_UNSIGNED_SHORT, pVAindices); k = 0; while (maxparticle >= activeparticles) { *freeparticles[k++] = particles[maxparticle--]; while (maxparticle >= activeparticles && particles[maxparticle].die <= vr_data.realtime) maxparticle--; } numparticles = activeparticles; qfeglDepthMask (GL_TRUE); qfeglDisableVertexAttribArray (quake_part.vertex.location); qfeglDisableVertexAttribArray (quake_part.color.location); qfeglDisableVertexAttribArray (quake_part.st.location); qfeglActiveTexture (GL_TEXTURE0 + 0); qfeglDisable (GL_TEXTURE_2D); } static void draw_id_particles (void) { int activeparticles, maxparticle, j, vacount; unsigned k; float minparticledist; particle_t *part; partvert_t *VA; mat4_t vp_mat; quat_t fog; Mat4Mult (glsl_projection, glsl_view, vp_mat); // LordHavoc: particles should not affect zbuffer qfeglDepthMask (GL_FALSE); qfeglUseProgram (quake_point.program); qfeglEnableVertexAttribArray (quake_point.vertex.location); qfeglEnableVertexAttribArray (quake_point.color.location); qfeglUniformMatrix4fv (quake_point.mvp_matrix.location, 1, false, vp_mat); VectorCopy (glsl_Fog_GetColor (), fog); fog[3] = glsl_Fog_GetDensity () / 64.0; qfeglUniform4fv (quake_point.fog.location, 1, fog); qfeglUniform1i (quake_point.palette.location, 0); qfeglActiveTexture (GL_TEXTURE0 + 0); qfeglEnable (GL_TEXTURE_2D); qfeglBindTexture (GL_TEXTURE_2D, glsl_palette); minparticledist = DotProduct (r_refdef.vieworg, vpn) + r_particles_nearclip->value; activeparticles = 0; vacount = 0; VA = particleVertexArray; maxparticle = -1; j = 0; for (k = 0, part = particles; k < numparticles; k++, part++) { // Don't render particles too close to us. // Note, we must still do physics and such on them. if (!(DotProduct (part->org, vpn) < minparticledist)) { VA[0].color[0] = (byte) part->color; VectorCopy (part->org, VA[0].vertex); VA++; vacount++; } part->phys (part); // LordHavoc: immediate removal of unnecessary particles (must be done // to ensure compactor below operates properly in all cases) if (part->die < vr_data.realtime) { freeparticles[j++] = part; } else { maxparticle = k; activeparticles++; } } qfeglVertexAttribPointer (quake_point.vertex.location, 3, GL_FLOAT, 0, sizeof (partvert_t), &particleVertexArray[0].vertex); qfeglVertexAttribPointer (quake_point.color.location, 1, GL_UNSIGNED_BYTE, 1, sizeof (partvert_t), &particleVertexArray[0].color); qfeglDrawArrays (GL_POINTS, 0, vacount); k = 0; while (maxparticle >= activeparticles) { *freeparticles[k++] = particles[maxparticle--]; while (maxparticle >= activeparticles && particles[maxparticle].die <= vr_data.realtime) maxparticle--; } numparticles = activeparticles; qfeglDepthMask (GL_TRUE); qfeglDisableVertexAttribArray (quake_point.vertex.location); qfeglDisableVertexAttribArray (quake_point.color.location); qfeglActiveTexture (GL_TEXTURE0 + 0); qfeglDisable (GL_TEXTURE_2D); } void glsl_R_DrawParticles (void) { if (!r_particles->int_val || !numparticles) return; if (r_particles_style->int_val) { draw_qf_particles (); } else { draw_id_particles (); } } static vid_particle_funcs_t particles_QF = { R_RocketTrail_QF, R_GrenadeTrail_QF, R_BloodTrail_QF, R_SlightBloodTrail_QF, R_WizTrail_QF, R_FlameTrail_QF, R_VoorTrail_QF, R_GlowTrail_QF, R_RunParticleEffect_QF, R_BloodPuffEffect_QF, R_GunshotEffect_QF, R_LightningBloodEffect_QF, R_SpikeEffect_QF, R_KnightSpikeEffect_QF, R_SuperSpikeEffect_QF, R_WizSpikeEffect_QF, R_BlobExplosion_QF, R_ParticleExplosion_QF, R_ParticleExplosion2_QF, R_LavaSplash_QF, R_TeleportSplash_QF, R_DarkFieldParticles_ID, R_EntityParticles_ID, R_Particle_New, R_Particle_NewRandom, }; static vid_particle_funcs_t particles_ID = { R_RocketTrail_ID, R_GrenadeTrail_ID, R_BloodTrail_ID, R_SlightBloodTrail_ID, R_WizTrail_ID, R_FlameTrail_ID, R_VoorTrail_ID, R_GlowTrail_QF, R_RunParticleEffect_ID, R_BloodPuffEffect_ID, R_GunshotEffect_ID, R_LightningBloodEffect_ID, R_SpikeEffect_ID, R_KnightSpikeEffect_ID, R_SuperSpikeEffect_ID, R_WizSpikeEffect_ID, R_BlobExplosion_ID, R_ParticleExplosion_ID, R_ParticleExplosion2_QF, R_LavaSplash_ID, R_TeleportSplash_ID, R_DarkFieldParticles_ID, R_EntityParticles_ID, R_Particle_New, R_Particle_NewRandom, }; static vid_particle_funcs_t particles_QF_egg = { R_RocketTrail_EE, R_GrenadeTrail_EE, R_BloodTrail_QF, R_SlightBloodTrail_QF, R_WizTrail_QF, R_FlameTrail_QF, R_VoorTrail_QF, R_GlowTrail_QF, R_RunParticleEffect_QF, R_BloodPuffEffect_QF, R_GunshotEffect_QF, R_LightningBloodEffect_QF, R_SpikeEffect_QF, R_KnightSpikeEffect_QF, R_SuperSpikeEffect_QF, R_WizSpikeEffect_QF, R_BlobExplosion_QF, R_ParticleExplosion_EE, R_ParticleExplosion2_QF, R_LavaSplash_QF, R_TeleportSplash_EE, R_DarkFieldParticles_ID, R_EntityParticles_ID, R_Particle_New, R_Particle_NewRandom, }; static vid_particle_funcs_t particles_ID_egg = { R_RocketTrail_EE, R_GrenadeTrail_EE, R_BloodTrail_ID, R_SlightBloodTrail_ID, R_WizTrail_ID, R_FlameTrail_ID, R_VoorTrail_ID, R_GlowTrail_QF, R_RunParticleEffect_ID, R_BloodPuffEffect_ID, R_GunshotEffect_ID, R_LightningBloodEffect_ID, R_SpikeEffect_ID, R_KnightSpikeEffect_ID, R_SuperSpikeEffect_ID, R_WizSpikeEffect_ID, R_BlobExplosion_ID, R_ParticleExplosion_EE, R_ParticleExplosion2_QF, R_LavaSplash_ID, R_TeleportSplash_EE, R_DarkFieldParticles_ID, R_EntityParticles_ID, R_Particle_New, R_Particle_NewRandom, }; void glsl_r_easter_eggs_f (cvar_t *var) { if (easter_eggs) { if (easter_eggs->int_val) { if (r_particles_style->int_val) { glsl_vid_render_funcs.particles = &particles_QF_egg; } else { glsl_vid_render_funcs.particles = &particles_ID_egg; } } else if (r_particles_style) { if (r_particles_style->int_val) { glsl_vid_render_funcs.particles = &particles_QF; } else { glsl_vid_render_funcs.particles = &particles_ID; } } } } void glsl_r_particles_style_f (cvar_t *var) { glsl_r_easter_eggs_f (easter_eggs); } static void R_ParticleFunctionInit (void) { glsl_r_particles_style_f (r_particles_style); glsl_r_easter_eggs_f (easter_eggs); } static void r_particles_nearclip_f (cvar_t *var) { Cvar_SetValue (r_particles_nearclip, bound (r_nearclip->value, var->value, r_farclip->value)); } static void r_particles_f (cvar_t *var) { R_MaxParticlesCheck (var, r_particles_max); } static void r_particles_max_f (cvar_t *var) { R_MaxParticlesCheck (r_particles, var); } void glsl_R_Particles_Init_Cvars (void) { easter_eggs = Cvar_Get ("easter_eggs", "0", CVAR_NONE, r_easter_eggs_f, "Enables easter eggs."); r_particles = Cvar_Get ("r_particles", "1", CVAR_ARCHIVE, r_particles_f, "Toggles drawing of particles."); r_particles_max = Cvar_Get ("r_particles_max", "2048", CVAR_ARCHIVE, r_particles_max_f, "Maximum amount of " "particles to display. No maximum, minimum " "is 0."); r_particles_nearclip = Cvar_Get ("r_particles_nearclip", "32", CVAR_ARCHIVE, r_particles_nearclip_f, "Distance of the particle near clipping " "plane from the player."); r_particles_style = Cvar_Get ("r_particles_style", "1", CVAR_ARCHIVE, r_particles_style_f, "Sets particle style. " "0 for Id, 1 for QF."); R_ParticleFunctionInit (); } void glsl_R_Particle_New (ptype_t type, int texnum, const vec3_t org, float scale, const vec3_t vel, float die, int color, float alpha, float ramp) { if (numparticles >= r_maxparticles) return; particle_new (type, texnum, org, scale, vel, die, color, alpha, ramp); } void glsl_R_Particle_NewRandom (ptype_t type, int texnum, const vec3_t org, int org_fuzz, float scale, int vel_fuzz, float die, int color, float alpha, float ramp) { if (numparticles >= r_maxparticles) return; particle_new_random (type, texnum, org, org_fuzz, scale, vel_fuzz, die, color, alpha, ramp); }