mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-26 22:31:05 +00:00
350 lines
8.5 KiB
C
350 lines
8.5 KiB
C
/*
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cl_ents.c
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entity parsing and management
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((used)) const char rcsid[] = "$Id$";
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#include "QF/cbuf.h"
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#include "QF/cmd.h"
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/input.h"
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#include "QF/keys.h"
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#include "QF/msg.h"
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#include "QF/plugin.h"
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#include "QF/qfplist.h"
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#include "QF/render.h"
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#include "QF/screen.h"
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#include "QF/skin.h"
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#include "QF/sys.h"
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#include "QF/va.h"
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#include "chase.h"
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#include "client.h"
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#include "compat.h"
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#include "host.h"
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#include "host.h"
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#include "r_cvar.h"
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#include "r_dynamic.h"
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#include "server.h"
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// FIXME: put these on hunk?
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entity_t cl_entities[MAX_EDICTS];
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cl_entity_state_t cl_baselines[MAX_EDICTS];
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void
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CL_ClearEnts (void)
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{
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size_t i;
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// clear other arrays
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memset (cl_entities, 0, sizeof (cl_entities));
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memset (cl_baselines, 0, sizeof (cl_baselines));
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memset (r_lightstyle, 0, sizeof (r_lightstyle));
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for (i = 0; i < MAX_EDICTS; i++) {
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cl_baselines[i].ent = &cl_entities[i];
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CL_Init_Entity (cl_entities + i);
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}
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}
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static void
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CL_NewDlight (int key, vec3_t org, int effects, byte glow_size,
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byte glow_color)
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{
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float radius;
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dlight_t *dl;
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static quat_t normal = {0.4, 0.2, 0.05, 0.7};
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static quat_t red = {0.5, 0.05, 0.05, 0.7};
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static quat_t blue = {0.05, 0.05, 0.5, 0.7};
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static quat_t purple = {0.5, 0.05, 0.5, 0.7};
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effects &= EF_BLUE | EF_RED | EF_BRIGHTLIGHT | EF_DIMLIGHT;
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if (!effects) {
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if (!glow_size)
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return;
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}
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dl = R_AllocDlight (key);
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if (!dl)
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return;
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VectorCopy (org, dl->origin);
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if (effects & (EF_BLUE | EF_RED | EF_BRIGHTLIGHT | EF_DIMLIGHT)) {
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radius = 200 + (rand () & 31);
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if (effects & EF_BRIGHTLIGHT) {
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radius += 200;
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dl->origin[2] += 16;
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}
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if (effects & EF_DIMLIGHT)
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if (effects & ~EF_DIMLIGHT)
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radius -= 100;
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dl->radius = radius;
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dl->die = cl.time + 0.1;
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switch (effects & (EF_RED | EF_BLUE)) {
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case EF_RED | EF_BLUE:
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QuatCopy (purple, dl->color);
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break;
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case EF_RED:
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QuatCopy (red, dl->color);
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break;
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case EF_BLUE:
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QuatCopy (blue, dl->color);
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break;
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default:
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QuatCopy (normal, dl->color);
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break;
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}
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}
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if (glow_size) {
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dl->radius += glow_size < 128 ? glow_size * 8.0 :
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(glow_size - 256) * 8.0;
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dl->die = cl.time + 0.1;
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if (glow_color) {
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if (glow_color == 255) {
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dl->color[0] = dl->color[1] = dl->color[2] = 1.0;
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} else {
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byte *tempcolor;
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tempcolor = (byte *) &d_8to24table[glow_color];
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VectorScale (tempcolor, 1 / 255.0, dl->color);
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}
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}
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}
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}
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/*
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CL_LerpPoint
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Determines the fraction between the last two messages at which the
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objects should be put.
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*/
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static float
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CL_LerpPoint (void)
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{
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float f, frac;
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f = cl.mtime[0] - cl.mtime[1];
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if (!f || cl_nolerp->int_val || cls.timedemo || sv.active) {
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cl.time = cl.mtime[0];
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return 1;
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}
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if (f > 0.1) { // dropped packet, or start of demo
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cl.mtime[1] = cl.mtime[0] - 0.1;
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f = 0.1;
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}
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frac = (cl.time - cl.mtime[1]) / f;
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if (frac < 0) {
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if (frac < -0.01)
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cl.time = cl.mtime[1];
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frac = 0;
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} else if (frac > 1) {
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if (frac > 1.01)
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cl.time = cl.mtime[0];
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frac = 1;
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}
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return frac;
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}
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void
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CL_RelinkEntities (void)
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{
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entity_t *ent;
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cl_entity_state_t *state;
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dlight_t *dl;
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float bobjrotate, frac, f, d;
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int i, j;
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vec3_t delta;
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r_player_entity = &cl_entities[cl.viewentity];
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// determine partial update time
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frac = CL_LerpPoint ();
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// interpolate player info
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for (i = 0; i < 3; i++)
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cl.velocity[i] = cl.mvelocity[1][i] +
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frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
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if (cls.demoplayback) {
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// interpolate the angles
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for (j = 0; j < 3; j++) {
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d = cl.mviewangles[0][j] - cl.mviewangles[1][j];
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if (d > 180)
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d -= 360;
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else if (d < -180)
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d += 360;
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cl.viewangles[j] = cl.mviewangles[1][j] + frac * d;
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}
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}
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bobjrotate = anglemod (100 * cl.time);
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// start on the entity after the world
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for (i = 1, state = cl_baselines + 1; i < cl.num_entities; i++, state++) {
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ent = state->ent;
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if (!ent->model) { // empty slot
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if (ent->efrag)
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R_RemoveEfrags (ent); // just became empty
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continue;
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}
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// if the object wasn't included in the last packet, remove it
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if (state->msgtime != cl.mtime[0]) {
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ent->model = NULL;
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//johnfitz -- next time this entity slot is reused, the lerp will
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//need to be reset
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ent->lerpflags |= LERP_RESETMOVE|LERP_RESETANIM;
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if (ent->efrag)
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R_RemoveEfrags (ent); // just became empty
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continue;
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}
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ent->colormod[3] = ENTALPHA_DECODE (state->alpha);
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VectorCopy (ent->origin, ent->old_origin);
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if (state->forcelink) {
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// The entity was not updated in the last message so move to the
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// final spot
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VectorCopy (state->msg_origins[0], ent->origin);
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VectorCopy (state->msg_angles[0], ent->angles);
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if (i != cl.viewentity || chase_active->int_val) {
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if (ent->efrag)
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R_RemoveEfrags (ent);
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R_AddEfrags (ent);
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}
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} else {
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// If the delta is large, assume a teleport and don't lerp
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f = frac;
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VectorSubtract (state->msg_origins[0],
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state->msg_origins[1], delta);
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if (fabs (delta[0]) > 100 || fabs (delta[1] > 100)
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|| fabs (delta[2]) > 100) {
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// assume a teleportation, not a motion
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VectorCopy (state->msg_origins[0], ent->origin);
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VectorCopy (state->msg_angles[0], ent->angles);
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ent->lerpflags |= LERP_RESETMOVE;
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} else {
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// interpolate the origin and angles
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// FIXME r_lerpmove.value &&
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if (ent->lerpflags & LERP_MOVESTEP)
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f = 1;
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VectorMultAdd (state->msg_origins[1], f, delta, ent->origin);
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for (j = 0; j < 3; j++) {
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d = state->msg_angles[0][j] - state->msg_angles[1][j];
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if (d > 180)
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d -= 360;
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else if (d < -180)
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d += 360;
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ent->angles[j] = state->msg_angles[1][j] + f * d;
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}
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}
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if (i != cl.viewentity || chase_active->int_val) {
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if (ent->efrag) {
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if (!VectorCompare (ent->origin, ent->old_origin)) {
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R_RemoveEfrags (ent);
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R_AddEfrags (ent);
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}
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} else {
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R_AddEfrags (ent);
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}
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}
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}
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// rotate binary objects locally
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if (ent->model->flags & EF_ROTATE)
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ent->angles[1] = bobjrotate;
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if (state->effects & EF_BRIGHTFIELD)
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R_EntityParticles (ent);
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if (state->effects & EF_MUZZLEFLASH) {
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vec3_t fv, rv, uv;
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dl = R_AllocDlight (i);
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if (dl) {
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AngleVectors (ent->angles, fv, rv, uv);
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VectorMultAdd (ent->origin, 18, fv, dl->origin);
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dl->origin[2] += 16;
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dl->radius = 200 + (rand () & 31);
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dl->die = cl.time + 0.1;
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dl->minlight = 32;
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dl->color[0] = 0.2;
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dl->color[1] = 0.1;
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dl->color[2] = 0.05;
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dl->color[3] = 0.7;
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}
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#if 0 //FIXME how much do we want this?
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//johnfitz -- assume muzzle flash accompanied by muzzle flare,
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//which looks bad when lerped
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if (ent == &cl_entities[cl.viewentity])
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cl.viewent.lerpflags |= LERP_RESETANIM | LERP_RESETANIM2;
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else
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ent->lerpflags |= LERP_RESETANIM | LERP_RESETANIM2;
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#endif
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}
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CL_NewDlight (i, ent->origin, state->effects, 0, 0);
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if (VectorDistance_fast (state->msg_origins[1], ent->origin)
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> (256 * 256))
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VectorCopy (ent->origin, state->msg_origins[1]);
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if (ent->model->flags & EF_ROCKET) {
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dl = R_AllocDlight (i);
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if (dl) {
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VectorCopy (ent->origin, dl->origin);
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dl->radius = 200;
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dl->die = cl.time + 0.1;
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VectorCopy (r_firecolor->vec, dl->color);
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dl->color[3] = 0.7;
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}
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R_RocketTrail (ent);
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} else if (ent->model->flags & EF_GRENADE)
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R_GrenadeTrail (ent);
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else if (ent->model->flags & EF_GIB)
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R_BloodTrail (ent);
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else if (ent->model->flags & EF_ZOMGIB)
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R_SlightBloodTrail (ent);
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else if (ent->model->flags & EF_TRACER)
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R_WizTrail (ent);
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else if (ent->model->flags & EF_TRACER2)
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R_FlameTrail (ent);
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else if (ent->model->flags & EF_TRACER3)
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R_VoorTrail (ent);
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else if (ent->model->flags & EF_GLOWTRAIL)
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R_GlowTrail (ent, state->glow_color);
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state->forcelink = false;
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}
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}
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