cl_tent.c

Quake 2 Source code for students by Theerthan You can also download from idsoftwares.com

/*
Copyright (C) 1997-2001 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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
// cl_tent.c -- client side temporary entities

#include "client.h"

typedef enum
{
	ex_free, ex_explosion, ex_misc, ex_flash, ex_mflash, ex_poly, ex_poly2
} exptype_t;

typedef struct
{
	exptype_t	type;
	entity_t	ent;

	int			frames;
	float		light;
	vec3_t		lightcolor;
	float		start;
	int			baseframe;
} explosion_t;



#define	MAX_EXPLOSIONS	32
explosion_t	cl_explosions[MAX_EXPLOSIONS];


#define	MAX_BEAMS	32
typedef struct
{
	int		entity;
	int		dest_entity;
	struct model_s	*model;
	int		endtime;
	vec3_t	offset;
	vec3_t	start, end;
} beam_t;
beam_t		cl_beams[MAX_BEAMS];
//PMM - added this for player-linked beams.  Currently only used by the plasma beam
beam_t		cl_playerbeams[MAX_BEAMS];


#define	MAX_LASERS	32
typedef struct
{
	entity_t	ent;
	int			endtime;
} laser_t;
laser_t		cl_lasers[MAX_LASERS];

//ROGUE
cl_sustain_t	cl_sustains[MAX_SUSTAINS];
//ROGUE

//PGM
extern void CL_TeleportParticles (vec3_t org);
//PGM

void CL_BlasterParticles (vec3_t org, vec3_t dir);
void CL_ExplosionParticles (vec3_t org);
void CL_BFGExplosionParticles (vec3_t org);
// RAFAEL
void CL_BlueBlasterParticles (vec3_t org, vec3_t dir);

struct sfx_s	*cl_sfx_ric1;
struct sfx_s	*cl_sfx_ric2;
struct sfx_s	*cl_sfx_ric3;
struct sfx_s	*cl_sfx_lashit;
struct sfx_s	*cl_sfx_spark5;
struct sfx_s	*cl_sfx_spark6;
struct sfx_s	*cl_sfx_spark7;
struct sfx_s	*cl_sfx_railg;
struct sfx_s	*cl_sfx_rockexp;
struct sfx_s	*cl_sfx_grenexp;
struct sfx_s	*cl_sfx_watrexp;
// RAFAEL
struct sfx_s	*cl_sfx_plasexp;
struct sfx_s	*cl_sfx_footsteps[4];

struct model_s	*cl_mod_explode;
struct model_s	*cl_mod_smoke;
struct model_s	*cl_mod_flash;
struct model_s	*cl_mod_parasite_segment;
struct model_s	*cl_mod_grapple_cable;
struct model_s	*cl_mod_parasite_tip;
struct model_s	*cl_mod_explo4;
struct model_s	*cl_mod_bfg_explo;
struct model_s	*cl_mod_powerscreen;
// RAFAEL
struct model_s	*cl_mod_plasmaexplo;

//ROGUE
struct sfx_s	*cl_sfx_lightning;
struct sfx_s	*cl_sfx_disrexp;
struct model_s	*cl_mod_lightning;
struct model_s	*cl_mod_heatbeam;
struct model_s	*cl_mod_monster_heatbeam;
struct model_s	*cl_mod_explo4_big;

//ROGUE
/*
=================
CL_RegisterTEntSounds
=================
*/
void CL_RegisterTEntSounds (void)
{
	int		i;
	char	name[MAX_QPATH];

	// PMM - version stuff
//	Com_Printf ("%s\n", ROGUE_VERSION_STRING);
	// PMM
	cl_sfx_ric1 = S_RegisterSound ("world/ric1.wav");
	cl_sfx_ric2 = S_RegisterSound ("world/ric2.wav");
	cl_sfx_ric3 = S_RegisterSound ("world/ric3.wav");
	cl_sfx_lashit = S_RegisterSound("weapons/lashit.wav");
	cl_sfx_spark5 = S_RegisterSound ("world/spark5.wav");
	cl_sfx_spark6 = S_RegisterSound ("world/spark6.wav");
	cl_sfx_spark7 = S_RegisterSound ("world/spark7.wav");
	cl_sfx_railg = S_RegisterSound ("weapons/railgf1a.wav");
	cl_sfx_rockexp = S_RegisterSound ("weapons/rocklx1a.wav");
	cl_sfx_grenexp = S_RegisterSound ("weapons/grenlx1a.wav");
	cl_sfx_watrexp = S_RegisterSound ("weapons/xpld_wat.wav");
	// RAFAEL
	// cl_sfx_plasexp = S_RegisterSound ("weapons/plasexpl.wav");
	S_RegisterSound ("player/land1.wav");

	S_RegisterSound ("player/fall2.wav");
	S_RegisterSound ("player/fall1.wav");

	for (i=0 ; i<4 ; i++)
	{
		Com_sprintf (name, sizeof(name), "player/step%i.wav", i+1);
		cl_sfx_footsteps[i] = S_RegisterSound (name);
	}

//PGM
	cl_sfx_lightning = S_RegisterSound ("weapons/tesla.wav");
	cl_sfx_disrexp = S_RegisterSound ("weapons/disrupthit.wav");
	// version stuff
//	sprintf (name, "weapons/sound%d.wav", ROGUE_VERSION_ID);
//	if (name[0] == 'w')
//		name[0] = 'W';
//PGM
}	

/*
=================
CL_RegisterTEntModels
=================
*/
void CL_RegisterTEntModels (void)
{
	cl_mod_explode = re.RegisterModel ("models/objects/explode/tris.md2");
	cl_mod_smoke = re.RegisterModel ("models/objects/smoke/tris.md2");
	cl_mod_flash = re.RegisterModel ("models/objects/flash/tris.md2");
	cl_mod_parasite_segment = re.RegisterModel ("models/monsters/parasite/segment/tris.md2");
	cl_mod_grapple_cable = re.RegisterModel ("models/ctf/segment/tris.md2");
	cl_mod_parasite_tip = re.RegisterModel ("models/monsters/parasite/tip/tris.md2");
	cl_mod_explo4 = re.RegisterModel ("models/objects/r_explode/tris.md2");
	cl_mod_bfg_explo = re.RegisterModel ("sprites/s_bfg2.sp2");
	cl_mod_powerscreen = re.RegisterModel ("models/items/armor/effect/tris.md2");

re.RegisterModel ("models/objects/laser/tris.md2");
re.RegisterModel ("models/objects/grenade2/tris.md2");
re.RegisterModel ("models/weapons/v_machn/tris.md2");
re.RegisterModel ("models/weapons/v_handgr/tris.md2");
re.RegisterModel ("models/weapons/v_shotg2/tris.md2");
re.RegisterModel ("models/objects/gibs/bone/tris.md2");
re.RegisterModel ("models/objects/gibs/sm_meat/tris.md2");
re.RegisterModel ("models/objects/gibs/bone2/tris.md2");
// RAFAEL
// re.RegisterModel ("models/objects/blaser/tris.md2");

re.RegisterPic ("w_machinegun");
re.RegisterPic ("a_bullets");
re.RegisterPic ("i_health");
re.RegisterPic ("a_grenades");

//ROGUE
	cl_mod_explo4_big = re.RegisterModel ("models/objects/r_explode2/tris.md2");
	cl_mod_lightning = re.RegisterModel ("models/proj/lightning/tris.md2");
	cl_mod_heatbeam = re.RegisterModel ("models/proj/beam/tris.md2");
	cl_mod_monster_heatbeam = re.RegisterModel ("models/proj/widowbeam/tris.md2");
//ROGUE
}	

/*
=================
CL_ClearTEnts
=================
*/
void CL_ClearTEnts (void)
{
	memset (cl_beams, 0, sizeof(cl_beams));
	memset (cl_explosions, 0, sizeof(cl_explosions));
	memset (cl_lasers, 0, sizeof(cl_lasers));

//ROGUE
	memset (cl_playerbeams, 0, sizeof(cl_playerbeams));
	memset (cl_sustains, 0, sizeof(cl_sustains));
//ROGUE
}

/*
=================
CL_AllocExplosion
=================
*/
explosion_t *CL_AllocExplosion (void)
{
	int		i;
	int		time;
	int		index;
	
	for (i=0 ; i<MAX_EXPLOSIONS ; i++)
	{
		if (cl_explosions[i].type == ex_free)
		{
			memset (&cl_explosions[i], 0, sizeof (cl_explosions[i]));
			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;
		}
	memset (&cl_explosions[index], 0, sizeof (cl_explosions[index]));
	return &cl_explosions[index];
}

/*
=================
CL_SmokeAndFlash
=================
*/
void CL_SmokeAndFlash(vec3_t origin)
{
	explosion_t	*ex;

	ex = CL_AllocExplosion ();
	VectorCopy (origin, ex->ent.origin);
	ex->type = ex_misc;
	ex->frames = 4;
	ex->ent.flags = RF_TRANSLUCENT;
	ex->start = cl.frame.servertime - 100;
	ex->ent.model = cl_mod_smoke;

	ex = CL_AllocExplosion ();
	VectorCopy (origin, ex->ent.origin);
	ex->type = ex_flash;
	ex->ent.flags = RF_FULLBRIGHT;
	ex->frames = 2;
	ex->start = cl.frame.servertime - 100;
	ex->ent.model = cl_mod_flash;
}

/*
=================
CL_ParseParticles
=================
*/
void CL_ParseParticles (void)
{
	int		color, count;
	vec3_t	pos, dir;

	MSG_ReadPos (&net_message, pos);
	MSG_ReadDir (&net_message, dir);

	color = MSG_ReadByte (&net_message);

	count = MSG_ReadByte (&net_message);

	CL_ParticleEffect (pos, dir, color, count);
}

/*
=================
CL_ParseBeam
=================
*/
int CL_ParseBeam (struct model_s *model)
{
	int		ent;
	vec3_t	start, end;
	beam_t	*b;
	int		i;
	
	ent = MSG_ReadShort (&net_message);
	
	MSG_ReadPos (&net_message, start);
	MSG_ReadPos (&net_message, end);

// 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 = model;
			b->endtime = cl.time + 200;
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorClear (b->offset);
			return ent;
		}

// 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 = model;
			b->endtime = cl.time + 200;
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorClear (b->offset);
			return ent;
		}
	}
	Com_Printf ("beam list overflow!\n");	
	return ent;
}

/*
=================
CL_ParseBeam2
=================
*/
int CL_ParseBeam2 (struct model_s *model)
{
	int		ent;
	vec3_t	start, end, offset;
	beam_t	*b;
	int		i;
	
	ent = MSG_ReadShort (&net_message);
	
	MSG_ReadPos (&net_message, start);
	MSG_ReadPos (&net_message, end);
	MSG_ReadPos (&net_message, offset);

//	Com_Printf ("end- %f %f %f\n", end[0], end[1], end[2]);

// 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 = model;
			b->endtime = cl.time + 200;
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorCopy (offset, b->offset);
			return ent;
		}

// 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 = model;
			b->endtime = cl.time + 200;	
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorCopy (offset, b->offset);
			return ent;
		}
	}
	Com_Printf ("beam list overflow!\n");	
	return ent;
}

// ROGUE
/*
=================
CL_ParsePlayerBeam
  - adds to the cl_playerbeam array instead of the cl_beams array
=================
*/
int CL_ParsePlayerBeam (struct model_s *model)
{
	int		ent;
	vec3_t	start, end, offset;
	beam_t	*b;
	int		i;
	
	ent = MSG_ReadShort (&net_message);
	
	MSG_ReadPos (&net_message, start);
	MSG_ReadPos (&net_message, end);
	// PMM - network optimization
	if (model == cl_mod_heatbeam)
		VectorSet(offset, 2, 7, -3);
	else if (model == cl_mod_monster_heatbeam)
	{
		model = cl_mod_heatbeam;
		VectorSet(offset, 0, 0, 0);
	}
	else
		MSG_ReadPos (&net_message, offset);

//	Com_Printf ("end- %f %f %f\n", end[0], end[1], end[2]);

// override any beam with the same entity
// PMM - For player beams, we only want one per player (entity) so..
	for (i=0, b=cl_playerbeams ; i< MAX_BEAMS ; i++, b++)
	{
		if (b->entity == ent)
		{
			b->entity = ent;
			b->model = model;
			b->endtime = cl.time + 200;
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorCopy (offset, b->offset);
			return ent;
		}
	}

// find a free beam
	for (i=0, b=cl_playerbeams ; i< MAX_BEAMS ; i++, b++)
	{
		if (!b->model || b->endtime < cl.time)
		{
			b->entity = ent;
			b->model = model;
			b->endtime = cl.time + 100;		// PMM - this needs to be 100 to prevent multiple heatbeams
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorCopy (offset, b->offset);
			return ent;
		}
	}
	Com_Printf ("beam list overflow!\n");	
	return ent;
}
//rogue

/*
=================
CL_ParseLightning
=================
*/
int CL_ParseLightning (struct model_s *model)
{
	int		srcEnt, destEnt;
	vec3_t	start, end;
	beam_t	*b;
	int		i;
	
	srcEnt = MSG_ReadShort (&net_message);
	destEnt = MSG_ReadShort (&net_message);

	MSG_ReadPos (&net_message, start);
	MSG_ReadPos (&net_message, end);

// override any beam with the same source AND destination entities
	for (i=0, b=cl_beams ; i< MAX_BEAMS ; i++, b++)
		if (b->entity == srcEnt && b->dest_entity == destEnt)
		{
//			Com_Printf("%d: OVERRIDE  %d -> %d\n", cl.time, srcEnt, destEnt);
			b->entity = srcEnt;
			b->dest_entity = destEnt;
			b->model = model;
			b->endtime = cl.time + 200;
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorClear (b->offset);
			return srcEnt;
		}

// find a free beam
	for (i=0, b=cl_beams ; i< MAX_BEAMS ; i++, b++)
	{
		if (!b->model || b->endtime < cl.time)
		{
//			Com_Printf("%d: NORMAL  %d -> %d\n", cl.time, srcEnt, destEnt);
			b->entity = srcEnt;
			b->dest_entity = destEnt;
			b->model = model;
			b->endtime = cl.time + 200;
			VectorCopy (start, b->start);
			VectorCopy (end, b->end);
			VectorClear (b->offset);
			return srcEnt;
		}
	}
	Com_Printf ("beam list overflow!\n");	
	return srcEnt;
}

/*
=================
CL_ParseLaser
=================
*/
void CL_ParseLaser (int colors)
{
	vec3_t	start;
	vec3_t	end;
	laser_t	*l;
	int		i;

	MSG_ReadPos (&net_message, start);
	MSG_ReadPos (&net_message, end);

	for (i=0, l=cl_lasers ; i< MAX_LASERS ; i++, l++)
	{
		if (l->endtime < cl.time)
		{
			l->ent.flags = RF_TRANSLUCENT | RF_BEAM;
			VectorCopy (start, l->ent.origin);
			VectorCopy (end, l->ent.oldorigin);
			l->ent.alpha = 0.30;
			l->ent.skinnum = (colors >> ((rand() % 4)*8)) & 0xff;
			l->ent.model = NULL;
			l->ent.frame = 4;
			l->endtime = cl.time + 100;
			return;
		}
	}
}

//=============
//ROGUE
void CL_ParseSteam (void)
{
	vec3_t	pos, dir;
	int		id, i;
	int		r;
	int		cnt;
	int		color;
	int		magnitude;
	cl_sustain_t	*s, *free_sustain;

	id = MSG_ReadShort (&net_message);		// an id of -1 is an instant effect
	if (id != -1) // sustains
	{
//			Com_Printf ("Sustain effect id %d\n", id);
		free_sustain = NULL;
		for (i=0, s=cl_sustains; i<MAX_SUSTAINS; i++, s++)
		{
			if (s->id == 0)
			{
				free_sustain = s;
				break;
			}
		}
		if (free_sustain)
		{
			s->id = id;