whew

2024-11-23 12:52:46 +00:00 · 2001-05-24 19:19:32 +00:00 · 2001-05-24 19:19:32 +00:00 · 55ee68cf38
commit 55ee68cf38
parent d44901a8d6
1 changed files with 163 additions and 0 deletions
--- a/nq/source/r_part.c
+++ b/nq/source/r_part.c
@ -0,0 +1,163 @@
+
+/*
+	r_part.c
+
+	@description@
+
+	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
+
+	$Id$
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "QF/qargs.h"
+#include "QF/compat.h"
+#include "QF/console.h"
+
+#include "client.h"
+#include "r_local.h"
+#include "QF/render.h"
+
+#define MAX_PARTICLES			2048	// default max # of particles at one
+										// time
+#define ABSOLUTE_MIN_PARTICLES	512		// no fewer than this no matter
+										// what's
+										// on the command line
+
+particle_t *active_particles, *free_particles;
+
+particle_t *particles;
+int         r_numparticles;
+
+vec3_t      r_pright, r_pup, r_ppn;
+
+
+#ifdef QUAKE2
+void
+R_DarkFieldParticles (entity_t *ent)
+{
+	int         i, j, k;
+	particle_t *p;
+	float       vel;
+	vec3_t      dir;
+	vec3_t      org;
+
+	org[0] = ent->origin[0];
+	org[1] = ent->origin[1];
+	org[2] = ent->origin[2];
+	for (i = -16; i < 16; i += 8)
+		for (j = -16; j < 16; j += 8)
+			for (k = 0; k < 32; k += 8) {
+				if (!free_particles)
+					return;
+				p = free_particles;
+				free_particles = p->next;
+				p->next = active_particles;
+				active_particles = p;
+
+				p->die = cl.time + 0.2 + (rand () & 7) * 0.02;
+				p->color = 150 + rand () % 6;
+				p->type = pt_slowgrav;
+
+				dir[0] = j * 8;
+				dir[1] = i * 8;
+				dir[2] = k * 8;
+
+				p->org[0] = org[0] + i + (rand () & 3);
+				p->org[1] = org[1] + j + (rand () & 3);
+				p->org[2] = org[2] + k + (rand () & 3);
+
+				VectorNormalize (dir);
+				vel = 50 + (rand () & 63);
+				VectorScale (dir, vel, p->vel);
+			}
+}
+#endif
+
+
+#define NUMVERTEXNORMALS	162
+extern float r_avertexnormals[NUMVERTEXNORMALS][3];
+vec3_t      avelocities[NUMVERTEXNORMALS];
+float       beamlength = 16;
+vec3_t      avelocity = { 23, 7, 3 };
+float       partstep = 0.01;
+float       timescale = 0.01;
+
+void
+R_EntityParticles (entity_t *ent)
+{
+	int         count;
+	int         i;
+	particle_t *p;
+	float       angle;
+	float       sr, sp, sy, cr, cp, cy;
+	vec3_t      forward;
+	float       dist;
+
+	dist = 64;
+	count = 50;
+
+	if (!avelocities[0][0]) {
+		for (i = 0; i < NUMVERTEXNORMALS * 3; i++)
+			avelocities[0][i] = (rand () & 255) * 0.01;
+	}
+
+
+	for (i = 0; i < NUMVERTEXNORMALS; i++) {
+		angle = cl.time * avelocities[i][0];
+		sy = sin (angle);
+		cy = cos (angle);
+		angle = cl.time * avelocities[i][1];
+		sp = sin (angle);
+		cp = cos (angle);
+		angle = cl.time * avelocities[i][2];
+		sr = sin (angle);
+		cr = cos (angle);
+
+		forward[0] = cp * cy;
+		forward[1] = cp * sy;
+		forward[2] = -sp;
+
+		if (!free_particles)
+			return;
+		p = free_particles;
+		free_particles = p->next;
+		p->next = active_particles;
+		active_particles = p;
+
+		p->die = cl.time + 0.01;
+		p->color = 0x6f;
+		p->type = pt_explode;
+
+		p->org[0] =
+			ent->origin[0] + r_avertexnormals[i][0] * dist +
+			forward[0] * beamlength;
+		p->org[1] =
+			ent->origin[1] + r_avertexnormals[i][1] * dist +
+			forward[1] * beamlength;
+		p->org[2] =
+			ent->origin[2] + r_avertexnormals[i][2] * dist +
+			forward[2] * beamlength;
+	}
+}