quakeforge/nq/source/cl_tent.c

/*
	cl_tent.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 "protocol.h"
#include "client.h"
#include "msg.h"
#include "sys.h"
#include "console.h"

int         num_temp_entities;
entity_t    cl_temp_entities[MAX_TEMP_ENTITIES];
beam_t      cl_beams[MAX_BEAMS];

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;

#ifdef QUAKE2
sfx_t      *cl_sfx_imp;
sfx_t      *cl_sfx_rail;
#endif

/*
=================
CL_ParseTEnt
=================
*/
void
CL_InitTEnts (void)
{
	cl_sfx_wizhit = S_PrecacheSound ("wizard/hit.wav");
	cl_sfx_knighthit = S_PrecacheSound ("hknight/hit.wav");
	cl_sfx_tink1 = S_PrecacheSound ("weapons/tink1.wav");
	cl_sfx_ric1 = S_PrecacheSound ("weapons/ric1.wav");
	cl_sfx_ric2 = S_PrecacheSound ("weapons/ric2.wav");
	cl_sfx_ric3 = S_PrecacheSound ("weapons/ric3.wav");
	cl_sfx_r_exp3 = S_PrecacheSound ("weapons/r_exp3.wav");
#ifdef QUAKE2
	cl_sfx_imp = S_PrecacheSound ("shambler/sattck1.wav");
	cl_sfx_rail = S_PrecacheSound ("weapons/lstart.wav");
#endif
}

/*
=================
CL_ParseBeam
=================
*/
void
CL_ParseBeam (model_t *m)
{
	int         ent;
	vec3_t      start, end;
	beam_t     *b;
	int         i;

	ent = MSG_ReadShort (net_message);

	start[0] = MSG_ReadCoord (net_message);
	start[1] = MSG_ReadCoord (net_message);
	start[2] = MSG_ReadCoord (net_message);

	end[0] = MSG_ReadCoord (net_message);
	end[1] = MSG_ReadCoord (net_message);
	end[2] = MSG_ReadCoord (net_message);

// 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;

#ifdef QUAKE2
	vec3_t      endpos;
#endif
	dlight_t   *dl;
	int         rnd;
	int         colorStart, colorLength;

	type = MSG_ReadByte (net_message);
	switch (type) {
		case TE_WIZSPIKE:				// spike hitting wall
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_RunParticleEffect (pos, vec3_origin, 20, 30);
		S_StartSound (-1, 0, cl_sfx_wizhit, pos, 1, 1);
		break;

		case TE_KNIGHTSPIKE:			// spike hitting wall
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_RunParticleEffect (pos, vec3_origin, 226, 20);
		S_StartSound (-1, 0, cl_sfx_knighthit, pos, 1, 1);
		break;

		case TE_SPIKE:					// spike hitting wall
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
#ifdef GLTEST
		Test_Spawn (pos);
#else
		R_RunParticleEffect (pos, vec3_origin, 0, 10);
#endif
		if (rand () % 5)
			S_StartSound (-1, 0, cl_sfx_tink1, pos, 1, 1);
		else {
			rnd = rand () & 3;
			if (rnd == 1)
				S_StartSound (-1, 0, cl_sfx_ric1, pos, 1, 1);
			else if (rnd == 2)
				S_StartSound (-1, 0, cl_sfx_ric2, pos, 1, 1);
			else
				S_StartSound (-1, 0, cl_sfx_ric3, pos, 1, 1);
		}
		break;
		case TE_SUPERSPIKE:			// super spike hitting wall
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_RunParticleEffect (pos, vec3_origin, 0, 20);

		if (rand () % 5)
			S_StartSound (-1, 0, cl_sfx_tink1, pos, 1, 1);
		else {
			rnd = rand () & 3;
			if (rnd == 1)
				S_StartSound (-1, 0, cl_sfx_ric1, pos, 1, 1);
			else if (rnd == 2)
				S_StartSound (-1, 0, cl_sfx_ric2, pos, 1, 1);
			else
				S_StartSound (-1, 0, cl_sfx_ric3, pos, 1, 1);
		}
		break;

		case TE_GUNSHOT:				// bullet hitting wall
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_RunParticleEffect (pos, vec3_origin, 0, 20);
		break;

		case TE_EXPLOSION:				// rocket explosion
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_ParticleExplosion (pos);
		dl = CL_AllocDlight (0);
		VectorCopy (pos, dl->origin);
		dl->radius = 350;
		dl->die = cl.time + 0.5;
		dl->decay = 300;
		dl->color[0] = 0.86;
		dl->color[1] = 0.31;
		dl->color[2] = 0.24;
		S_StartSound (-1, 0, cl_sfx_r_exp3, pos, 1, 1);
		break;

		case TE_TAREXPLOSION:			// tarbaby explosion
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_BlobExplosion (pos);

		S_StartSound (-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;

// PGM 01/21/97 
		case TE_BEAM:					// grappling hook beam
		CL_ParseBeam (Mod_ForName ("progs/beam.mdl", true));
		break;
// PGM 01/21/97

		case TE_LAVASPLASH:
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_LavaSplash (pos);
		break;

		case TE_TELEPORT:
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		R_TeleportSplash (pos);
		break;

		case TE_EXPLOSION2:			// color mapped explosion
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		colorStart = MSG_ReadByte (net_message);
		colorLength = MSG_ReadByte (net_message);
		R_ParticleExplosion2 (pos, colorStart, colorLength);
		dl = CL_AllocDlight (0);
		VectorCopy (pos, dl->origin);
		dl->radius = 350;
		dl->die = cl.time + 0.5;
		dl->decay = 300;
		dl->color[0] = 0.86;
		dl->color[1] = 0.31;
		dl->color[2] = 0.24;
		S_StartSound (-1, 0, cl_sfx_r_exp3, pos, 1, 1);
		break;

#ifdef QUAKE2
		case TE_IMPLOSION:
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		S_StartSound (-1, 0, cl_sfx_imp, pos, 1, 1);
		break;

		case TE_RAILTRAIL:
		pos[0] = MSG_ReadCoord (net_message);
		pos[1] = MSG_ReadCoord (net_message);
		pos[2] = MSG_ReadCoord (net_message);
		endpos[0] = MSG_ReadCoord (net_message);
		endpos[1] = MSG_ReadCoord (net_message);
		endpos[2] = MSG_ReadCoord (net_message);
		S_StartSound (-1, 0, cl_sfx_rail, pos, 1, 1);
		S_StartSound (-1, 1, cl_sfx_r_exp3, endpos, 1, 1);
		R_RocketTrail (pos, endpos, 0 + 128);
		R_ParticleExplosion (endpos);
		dl = CL_AllocDlight (-1);
		VectorCopy (endpos, dl->origin);
		dl->radius = 350;
		dl->die = cl.time + 0.5;
		dl->decay = 300;
		dl->color[0] = 0.86;
		dl->color[1] = 0.31;
		dl->color[2] = 0.24;
		break;
#endif

		default:
		Sys_Error ("CL_ParseTEnt: bad type");
	}
}


/*
=================
CL_NewTempEntity
=================
*/
entity_t   *
CL_NewTempEntity (void)
{
	entity_t   *ent;

	if (cl_numvisedicts == MAX_VISEDICTS)
		return NULL;
	if (num_temp_entities == MAX_TEMP_ENTITIES)
		return NULL;
	ent = &cl_temp_entities[num_temp_entities];
	memset (ent, 0, sizeof (*ent));
	num_temp_entities++;
	cl_visedicts[cl_numvisedicts] = ent;
	cl_numvisedicts++;

	ent->colormap = vid.colormap;
	return ent;
}


/*
=================
CL_UpdateTEnts
=================
*/
void
CL_UpdateTEnts (void)
{
	int         i;
	beam_t     *b;
	vec3_t      dist, org;
	float       d;
	entity_t   *ent;
	float       yaw, pitch;
	float       forward;

	num_temp_entities = 0;

// 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.viewentity) {
			VectorCopy (cl_entities[cl.viewentity].origin, b->start);
		}
		// 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;

			VectorMA (org, 30, dist, org);
			d -= 30;
		}
	}

}