ref: e4b9648c5c76516ed1bae833f4a7ea426c86093a
dir: /qw/cl_tent.c/
// cl_tent.c -- client side temporary entities
#include <u.h>
#include <libc.h>
#include <stdio.h>
#include "quakedef.h"
#define MAX_BEAMS 8
typedef struct
{
int entity;
struct model_s *model;
float endtime;
vec3_t start, end;
} beam_t;
beam_t cl_beams[MAX_BEAMS];
#define MAX_EXPLOSIONS 8
typedef struct
{
vec3_t origin;
float start;
model_t *model;
} explosion_t;
explosion_t cl_explosions[MAX_EXPLOSIONS];
sfx_t *cl_sfx_wizhit;
sfx_t *cl_sfx_knighthit;
sfx_t *cl_sfx_tink1;
sfx_t *cl_sfx_ric1;
sfx_t *cl_sfx_ric2;
sfx_t *cl_sfx_ric3;
sfx_t *cl_sfx_r_exp3;
/*
=================
CL_ParseTEnts
=================
*/
void CL_InitTEnts (void)
{
cl_sfx_wizhit = precachesfx ("wizard/hit.wav");
cl_sfx_knighthit = precachesfx ("hknight/hit.wav");
cl_sfx_tink1 = precachesfx ("weapons/tink1.wav");
cl_sfx_ric1 = precachesfx ("weapons/ric1.wav");
cl_sfx_ric2 = precachesfx ("weapons/ric2.wav");
cl_sfx_ric3 = precachesfx ("weapons/ric3.wav");
cl_sfx_r_exp3 = precachesfx ("weapons/r_exp3.wav");
}
/*
=================
CL_ClearTEnts
=================
*/
void CL_ClearTEnts (void)
{
memset (cl_beams, 0, sizeof(cl_beams));
memset (cl_explosions, 0, sizeof(cl_explosions));
}
/*
=================
CL_AllocExplosion
=================
*/
explosion_t *CL_AllocExplosion (void)
{
int i;
float time;
int index;
for (i=0 ; i<MAX_EXPLOSIONS ; i++)
if (!cl_explosions[i].model)
return &cl_explosions[i];
// find the oldest explosion
time = cl.time;
index = 0;
for (i=0 ; i<MAX_EXPLOSIONS ; i++)
if (cl_explosions[i].start < time)
{
time = cl_explosions[i].start;
index = i;
}
return &cl_explosions[index];
}
/*
=================
CL_ParseBeam
=================
*/
void CL_ParseBeam (model_t *m)
{
int ent;
vec3_t start, end;
beam_t *b;
int i;
ent = MSG_ReadShort ();
start[0] = MSG_ReadCoord ();
start[1] = MSG_ReadCoord ();
start[2] = MSG_ReadCoord ();
end[0] = MSG_ReadCoord ();
end[1] = MSG_ReadCoord ();
end[2] = MSG_ReadCoord ();
// override any beam with the same entity
for (i=0, b=cl_beams ; i< MAX_BEAMS ; i++, b++)
if (b->entity == ent)
{
b->entity = ent;
b->model = m;
b->endtime = cl.time + 0.2;
VectorCopy (start, b->start);
VectorCopy (end, b->end);
return;
}
// find a free beam
for (i=0, b=cl_beams ; i< MAX_BEAMS ; i++, b++)
{
if (!b->model || b->endtime < cl.time)
{
b->entity = ent;
b->model = m;
b->endtime = cl.time + 0.2;
VectorCopy (start, b->start);
VectorCopy (end, b->end);
return;
}
}
Con_Printf ("beam list overflow!\n");
}
/*
=================
CL_ParseTEnt
=================
*/
void CL_ParseTEnt (void)
{
int type;
vec3_t pos;
dlight_t *dl;
int rnd;
explosion_t *ex;
int cnt;
type = MSG_ReadByte ();
switch (type)
{
case TE_WIZSPIKE: // spike hitting wall
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_RunParticleEffect (pos, vec3_origin, 20, 30);
startsfx (-1, 0, cl_sfx_wizhit, pos, 1, 1);
break;
case TE_KNIGHTSPIKE: // spike hitting wall
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_RunParticleEffect (pos, vec3_origin, 226, 20);
startsfx (-1, 0, cl_sfx_knighthit, pos, 1, 1);
break;
case TE_SPIKE: // spike hitting wall
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_RunParticleEffect (pos, vec3_origin, 0, 10);
if ( rand() % 5 )
startsfx (-1, 0, cl_sfx_tink1, pos, 1, 1);
else
{
rnd = rand() & 3;
if (rnd == 1)
startsfx (-1, 0, cl_sfx_ric1, pos, 1, 1);
else if (rnd == 2)
startsfx (-1, 0, cl_sfx_ric2, pos, 1, 1);
else
startsfx (-1, 0, cl_sfx_ric3, pos, 1, 1);
}
break;
case TE_SUPERSPIKE: // super spike hitting wall
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_RunParticleEffect (pos, vec3_origin, 0, 20);
if ( rand() % 5 )
startsfx (-1, 0, cl_sfx_tink1, pos, 1, 1);
else
{
rnd = rand() & 3;
if (rnd == 1)
startsfx (-1, 0, cl_sfx_ric1, pos, 1, 1);
else if (rnd == 2)
startsfx (-1, 0, cl_sfx_ric2, pos, 1, 1);
else
startsfx (-1, 0, cl_sfx_ric3, pos, 1, 1);
}
break;
case TE_EXPLOSION: // rocket explosion
// particles
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_ParticleExplosion (pos);
// light
dl = CL_AllocDlight (0);
VectorCopy (pos, dl->origin);
dl->radius = 350;
dl->die = cl.time + 0.5;
dl->decay = 300;
dl->color[0] = 0.2;
dl->color[1] = 0.1;
dl->color[2] = 0.05;
dl->color[3] = 0.7;
// sound
startsfx (-1, 0, cl_sfx_r_exp3, pos, 1, 1);
// sprite
ex = CL_AllocExplosion ();
VectorCopy (pos, ex->origin);
ex->start = cl.time;
ex->model = Mod_ForName ("progs/s_explod.spr", true);
break;
case TE_TAREXPLOSION: // tarbaby explosion
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_BlobExplosion (pos);
startsfx (-1, 0, cl_sfx_r_exp3, pos, 1, 1);
break;
case TE_LIGHTNING1: // lightning bolts
CL_ParseBeam (Mod_ForName("progs/bolt.mdl", true));
break;
case TE_LIGHTNING2: // lightning bolts
CL_ParseBeam (Mod_ForName("progs/bolt2.mdl", true));
break;
case TE_LIGHTNING3: // lightning bolts
CL_ParseBeam (Mod_ForName("progs/bolt3.mdl", true));
break;
case TE_LAVASPLASH:
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_LavaSplash (pos);
break;
case TE_TELEPORT:
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_TeleportSplash (pos);
break;
case TE_GUNSHOT: // bullet hitting wall
cnt = MSG_ReadByte ();
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_RunParticleEffect (pos, vec3_origin, 0, 20*cnt);
break;
case TE_BLOOD: // bullets hitting body
cnt = MSG_ReadByte ();
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_RunParticleEffect (pos, vec3_origin, 73, 20*cnt);
break;
case TE_LIGHTNINGBLOOD: // lightning hitting body
pos[0] = MSG_ReadCoord ();
pos[1] = MSG_ReadCoord ();
pos[2] = MSG_ReadCoord ();
R_RunParticleEffect (pos, vec3_origin, 225, 50);
break;
default:
Sys_Error ("CL_ParseTEnt: bad type");
}
}
/*
=================
CL_NewTempEntity
=================
*/
entity_t *CL_NewTempEntity (void)
{
entity_t *ent;
if (cl_numvisedicts == MAX_VISEDICTS)
return NULL;
ent = &cl_visedicts[cl_numvisedicts];
cl_numvisedicts++;
ent->keynum = 0;
memset (ent, 0, sizeof(*ent));
ent->colormap = vid.colormap;
return ent;
}
/*
=================
CL_UpdateBeams
=================
*/
void CL_UpdateBeams (void)
{
int i;
beam_t *b;
vec3_t dist, org;
float d;
entity_t *ent;
float yaw, pitch;
float forward;
// update lightning
for (i=0, b=cl_beams ; i< MAX_BEAMS ; i++, b++)
{
if (!b->model || b->endtime < cl.time)
continue;
// if coming from the player, update the start position
if (b->entity == cl.playernum+1) // entity 0 is the world
{
VectorCopy (cl.simorg, b->start);
// b->start[2] -= 22; // adjust for view height
}
// calculate pitch and yaw
VectorSubtract (b->end, b->start, dist);
if (dist[1] == 0 && dist[0] == 0)
{
yaw = 0;
if (dist[2] > 0)
pitch = 90;
else
pitch = 270;
}
else
{
yaw = (int) (atan2(dist[1], dist[0]) * 180 / M_PI);
if (yaw < 0)
yaw += 360;
forward = sqrt (dist[0]*dist[0] + dist[1]*dist[1]);
pitch = (int) (atan2(dist[2], forward) * 180 / M_PI);
if (pitch < 0)
pitch += 360;
}
// add new entities for the lightning
VectorCopy (b->start, org);
d = VectorNormalize(dist);
while (d > 0)
{
ent = CL_NewTempEntity ();
if (!ent)
return;
VectorCopy (org, ent->origin);
ent->model = b->model;
ent->angles[0] = pitch;
ent->angles[1] = yaw;
ent->angles[2] = rand()%360;
for (i=0 ; i<3 ; i++)
org[i] += dist[i]*30;
d -= 30;
}
}
}
/*
=================
CL_UpdateExplosions
=================
*/
void CL_UpdateExplosions (void)
{
int i;
int f;
explosion_t *ex;
entity_t *ent;
for (i=0, ex=cl_explosions ; i< MAX_EXPLOSIONS ; i++, ex++)
{
if (!ex->model)
continue;
f = 10*(cl.time - ex->start);
if (f >= ex->model->numframes)
{
ex->model = NULL;
continue;
}
ent = CL_NewTempEntity ();
if (!ent)
return;
VectorCopy (ex->origin, ent->origin);
ent->model = ex->model;
ent->frame = f;
}
}
/*
=================
CL_UpdateTEnts
=================
*/
void CL_UpdateTEnts (void)
{
CL_UpdateBeams ();
CL_UpdateExplosions ();
}