The Quake sources as originally release under the GPL license on December 21, 1999

1 files changed, 459 insertions, 0 deletions

diff --git a/QW/client/cl_tent.c b/QW/client/cl_tent.c
new file mode 100644
index 0000000..2941c2f
--- /dev/null
+++ b/QW/client/cl_tent.c
@@ -0,0 +1,459 @@
+/*
+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 the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+// cl_tent.c -- client side temporary entities
+
+#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 = 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");
+}
+
+/*
+=================
+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);
+		S_StartSound (-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);
+		S_StartSound (-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 )
+			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 ();
+		pos[1] = MSG_ReadCoord ();
+		pos[2] = MSG_ReadCoord ();
+		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_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
+		S_StartSound (-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);
+
+		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;
+	
+	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 ();
+}