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-rw-r--r--src/game/g_target.c472
1 files changed, 472 insertions, 0 deletions
diff --git a/src/game/g_target.c b/src/game/g_target.c
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+// Copyright (C) 1999-2000 Id Software, Inc.
+//
+
+/*
+ * Portions Copyright (C) 2000-2001 Tim Angus
+ *
+ * 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, 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.
+ */
+
+/* To assertain which portions are licensed under the GPL and which are
+ * licensed by Id Software, Inc. please run a diff between the equivalent
+ * versions of the "Tremulous" modification and the unmodified "Quake3"
+ * game source code.
+ */
+
+#include "g_local.h"
+
+//==========================================================
+
+/*QUAKED target_give (1 0 0) (-8 -8 -8) (8 8 8)
+Gives the activator all the items pointed to.
+*/
+void Use_Target_Give( gentity_t *ent, gentity_t *other, gentity_t *activator ) {
+ gentity_t *t;
+ trace_t trace;
+
+ if ( !activator->client ) {
+ return;
+ }
+
+ if ( !ent->target ) {
+ return;
+ }
+
+ memset( &trace, 0, sizeof( trace ) );
+ t = NULL;
+ while ( (t = G_Find (t, FOFS(targetname), ent->target)) != NULL ) {
+ if ( !t->item ) {
+ continue;
+ }
+ Touch_Item( t, activator, &trace );
+
+ // make sure it isn't going to respawn or show any events
+ t->nextthink = 0;
+ trap_UnlinkEntity( t );
+ }
+}
+
+void SP_target_give( gentity_t *ent ) {
+ ent->use = Use_Target_Give;
+}
+
+
+//==========================================================
+
+/*QUAKED target_remove_powerups (1 0 0) (-8 -8 -8) (8 8 8)
+takes away all the activators powerups.
+Used to drop flight powerups into death puts.
+*/
+void Use_target_remove_powerups( gentity_t *ent, gentity_t *other, gentity_t *activator ) {
+ if( !activator->client ) {
+ return;
+ }
+
+ /*if( activator->client->ps.powerups[PW_REDFLAG] ) {
+ Team_ReturnFlag( TEAM_HUMANS );
+ } else if( activator->client->ps.powerups[PW_BLUEFLAG] ) {
+ Team_ReturnFlag( TEAM_DROIDS );
+ } else if( activator->client->ps.powerups[PW_NEUTRALFLAG] ) {
+ Team_ReturnFlag( TEAM_FREE );
+ }*/
+
+ memset( activator->client->ps.powerups, 0, sizeof( activator->client->ps.powerups ) );
+}
+
+void SP_target_remove_powerups( gentity_t *ent ) {
+ ent->use = Use_target_remove_powerups;
+}
+
+
+//==========================================================
+
+/*QUAKED target_delay (1 0 0) (-8 -8 -8) (8 8 8)
+"wait" seconds to pause before firing targets.
+"random" delay variance, total delay = delay +/- random seconds
+*/
+void Think_Target_Delay( gentity_t *ent ) {
+ G_UseTargets( ent, ent->activator );
+}
+
+void Use_Target_Delay( gentity_t *ent, gentity_t *other, gentity_t *activator ) {
+ ent->nextthink = level.time + ( ent->wait + ent->random * crandom() ) * 1000;
+ ent->think = Think_Target_Delay;
+ ent->activator = activator;
+}
+
+void SP_target_delay( gentity_t *ent ) {
+ // check delay for backwards compatability
+ if ( !G_SpawnFloat( "delay", "0", &ent->wait ) ) {
+ G_SpawnFloat( "wait", "1", &ent->wait );
+ }
+
+ if ( !ent->wait ) {
+ ent->wait = 1;
+ }
+ ent->use = Use_Target_Delay;
+}
+
+
+//==========================================================
+
+/*QUAKED target_score (1 0 0) (-8 -8 -8) (8 8 8)
+"count" number of points to add, default 1
+
+The activator is given this many points.
+*/
+void Use_Target_Score (gentity_t *ent, gentity_t *other, gentity_t *activator) {
+ AddScore( activator, ent->count );
+}
+
+void SP_target_score( gentity_t *ent ) {
+ if ( !ent->count ) {
+ ent->count = 1;
+ }
+ ent->use = Use_Target_Score;
+}
+
+
+//==========================================================
+
+/*QUAKED target_print (1 0 0) (-8 -8 -8) (8 8 8) redteam blueteam private
+"message" text to print
+If "private", only the activator gets the message. If no checks, all clients get the message.
+*/
+void Use_Target_Print (gentity_t *ent, gentity_t *other, gentity_t *activator) {
+ if ( activator->client && ( ent->spawnflags & 4 ) ) {
+ trap_SendServerCommand( activator-g_entities, va("cp \"%s\"", ent->message ));
+ return;
+ }
+
+ if ( ent->spawnflags & 3 ) {
+ if ( ent->spawnflags & 1 ) {
+ G_TeamCommand( TEAM_HUMANS, va("cp \"%s\"", ent->message) );
+ }
+ if ( ent->spawnflags & 2 ) {
+ G_TeamCommand( TEAM_DROIDS, va("cp \"%s\"", ent->message) );
+ }
+ return;
+ }
+
+ trap_SendServerCommand( -1, va("cp \"%s\"", ent->message ));
+}
+
+void SP_target_print( gentity_t *ent ) {
+ ent->use = Use_Target_Print;
+}
+
+
+//==========================================================
+
+
+/*QUAKED target_speaker (1 0 0) (-8 -8 -8) (8 8 8) looped-on looped-off global activator
+"noise" wav file to play
+
+A global sound will play full volume throughout the level.
+Activator sounds will play on the player that activated the target.
+Global and activator sounds can't be combined with looping.
+Normal sounds play each time the target is used.
+Looped sounds will be toggled by use functions.
+Multiple identical looping sounds will just increase volume without any speed cost.
+"wait" : Seconds between auto triggerings, 0 = don't auto trigger
+"random" wait variance, default is 0
+*/
+void Use_Target_Speaker (gentity_t *ent, gentity_t *other, gentity_t *activator) {
+ if (ent->spawnflags & 3) { // looping sound toggles
+ if (ent->s.loopSound)
+ ent->s.loopSound = 0; // turn it off
+ else
+ ent->s.loopSound = ent->noise_index; // start it
+ }else { // normal sound
+ if ( ent->spawnflags & 8 ) {
+ G_AddEvent( activator, EV_GENERAL_SOUND, ent->noise_index );
+ } else if (ent->spawnflags & 4) {
+ G_AddEvent( ent, EV_GLOBAL_SOUND, ent->noise_index );
+ } else {
+ G_AddEvent( ent, EV_GENERAL_SOUND, ent->noise_index );
+ }
+ }
+}
+
+void SP_target_speaker( gentity_t *ent ) {
+ char buffer[MAX_QPATH];
+ char *s;
+
+ G_SpawnFloat( "wait", "0", &ent->wait );
+ G_SpawnFloat( "random", "0", &ent->random );
+
+ if ( !G_SpawnString( "noise", "NOSOUND", &s ) ) {
+ G_Error( "target_speaker without a noise key at %s", vtos( ent->s.origin ) );
+ }
+
+ // force all client reletive sounds to be "activator" speakers that
+ // play on the entity that activates it
+ if ( s[0] == '*' ) {
+ ent->spawnflags |= 8;
+ }
+
+ if (!strstr( s, ".wav" )) {
+ Com_sprintf (buffer, sizeof(buffer), "%s.wav", s );
+ } else {
+ Q_strncpyz( buffer, s, sizeof(buffer) );
+ }
+ ent->noise_index = G_SoundIndex(buffer);
+
+ // a repeating speaker can be done completely client side
+ ent->s.eType = ET_SPEAKER;
+ ent->s.eventParm = ent->noise_index;
+ ent->s.frame = ent->wait * 10;
+ ent->s.clientNum = ent->random * 10;
+
+
+ // check for prestarted looping sound
+ if ( ent->spawnflags & 1 ) {
+ ent->s.loopSound = ent->noise_index;
+ }
+
+ ent->use = Use_Target_Speaker;
+
+ if (ent->spawnflags & 4) {
+ ent->r.svFlags |= SVF_BROADCAST;
+ }
+
+ VectorCopy( ent->s.origin, ent->s.pos.trBase );
+
+ // must link the entity so we get areas and clusters so
+ // the server can determine who to send updates to
+ trap_LinkEntity( ent );
+}
+
+
+
+//==========================================================
+
+/*QUAKED target_laser (0 .5 .8) (-8 -8 -8) (8 8 8) START_ON
+When triggered, fires a laser. You can either set a target or a direction.
+*/
+void target_laser_think (gentity_t *self) {
+ vec3_t end;
+ trace_t tr;
+ vec3_t point;
+
+ // if pointed at another entity, set movedir to point at it
+ if ( self->enemy ) {
+ VectorMA (self->enemy->s.origin, 0.5, self->enemy->r.mins, point);
+ VectorMA (point, 0.5, self->enemy->r.maxs, point);
+ VectorSubtract (point, self->s.origin, self->movedir);
+ VectorNormalize (self->movedir);
+ }
+
+ // fire forward and see what we hit
+ VectorMA (self->s.origin, 2048, self->movedir, end);
+
+ trap_Trace( &tr, self->s.origin, NULL, NULL, end, self->s.number, CONTENTS_SOLID|CONTENTS_BODY|CONTENTS_CORPSE);
+
+ if ( tr.entityNum ) {
+ // hurt it if we can
+ G_Damage ( &g_entities[tr.entityNum], self, self->activator, self->movedir,
+ tr.endpos, self->damage, DAMAGE_NO_KNOCKBACK, MOD_TARGET_LASER);
+ }
+
+ VectorCopy (tr.endpos, self->s.origin2);
+
+ trap_LinkEntity( self );
+ self->nextthink = level.time + FRAMETIME;
+}
+
+void target_laser_on (gentity_t *self)
+{
+ if (!self->activator)
+ self->activator = self;
+ target_laser_think (self);
+}
+
+void target_laser_off (gentity_t *self)
+{
+ trap_UnlinkEntity( self );
+ self->nextthink = 0;
+}
+
+void target_laser_use (gentity_t *self, gentity_t *other, gentity_t *activator)
+{
+ self->activator = activator;
+ if ( self->nextthink > 0 )
+ target_laser_off (self);
+ else
+ target_laser_on (self);
+}
+
+void target_laser_start (gentity_t *self)
+{
+ gentity_t *ent;
+
+ self->s.eType = ET_BEAM;
+
+ if (self->target) {
+ ent = G_Find (NULL, FOFS(targetname), self->target);
+ if (!ent) {
+ G_Printf ("%s at %s: %s is a bad target\n", self->classname, vtos(self->s.origin), self->target);
+ }
+ self->enemy = ent;
+ } else {
+ G_SetMovedir (self->s.angles, self->movedir);
+ }
+
+ self->use = target_laser_use;
+ self->think = target_laser_think;
+
+ if ( !self->damage ) {
+ self->damage = 1;
+ }
+
+ if (self->spawnflags & 1)
+ target_laser_on (self);
+ else
+ target_laser_off (self);
+}
+
+void SP_target_laser (gentity_t *self)
+{
+ // let everything else get spawned before we start firing
+ self->think = target_laser_start;
+ self->nextthink = level.time + FRAMETIME;
+}
+
+
+//==========================================================
+
+void target_teleporter_use( gentity_t *self, gentity_t *other, gentity_t *activator ) {
+ gentity_t *dest;
+
+ if (!activator->client)
+ return;
+ dest = G_PickTarget( self->target );
+ if (!dest) {
+ G_Printf ("Couldn't find teleporter destination\n");
+ return;
+ }
+
+ TeleportPlayer( activator, dest->s.origin, dest->s.angles );
+}
+
+/*QUAKED target_teleporter (1 0 0) (-8 -8 -8) (8 8 8)
+The activator will be teleported away.
+*/
+void SP_target_teleporter( gentity_t *self ) {
+ if (!self->targetname)
+ G_Printf("untargeted %s at %s\n", self->classname, vtos(self->s.origin));
+
+ self->use = target_teleporter_use;
+}
+
+//==========================================================
+
+
+/*QUAKED target_relay (.5 .5 .5) (-8 -8 -8) (8 8 8) RED_ONLY BLUE_ONLY RANDOM
+This doesn't perform any actions except fire its targets.
+The activator can be forced to be from a certain team.
+if RANDOM is checked, only one of the targets will be fired, not all of them
+*/
+void target_relay_use (gentity_t *self, gentity_t *other, gentity_t *activator) {
+ if ( ( self->spawnflags & 1 ) && activator->client
+ && activator->client->sess.sessionTeam != TEAM_HUMANS ) {
+ return;
+ }
+ if ( ( self->spawnflags & 2 ) && activator->client
+ && activator->client->sess.sessionTeam != TEAM_DROIDS ) {
+ return;
+ }
+ if ( self->spawnflags & 4 ) {
+ gentity_t *ent;
+
+ ent = G_PickTarget( self->target );
+ if ( ent && ent->use ) {
+ ent->use( ent, self, activator );
+ }
+ return;
+ }
+ G_UseTargets (self, activator);
+}
+
+void SP_target_relay (gentity_t *self) {
+ self->use = target_relay_use;
+}
+
+
+//==========================================================
+
+/*QUAKED target_kill (.5 .5 .5) (-8 -8 -8) (8 8 8)
+Kills the activator.
+*/
+void target_kill_use( gentity_t *self, gentity_t *other, gentity_t *activator ) {
+ G_Damage ( activator, NULL, NULL, NULL, NULL, 100000, DAMAGE_NO_PROTECTION, MOD_TELEFRAG);
+}
+
+void SP_target_kill( gentity_t *self ) {
+ self->use = target_kill_use;
+}
+
+/*QUAKED target_position (0 0.5 0) (-4 -4 -4) (4 4 4)
+Used as a positional target for in-game calculation, like jumppad targets.
+*/
+void SP_target_position( gentity_t *self ){
+ G_SetOrigin( self, self->s.origin );
+}
+
+static void target_location_linkup(gentity_t *ent)
+{
+ int i;
+ int n;
+
+ if (level.locationLinked)
+ return;
+
+ level.locationLinked = qtrue;
+
+ level.locationHead = NULL;
+
+ trap_SetConfigstring( CS_LOCATIONS, "unknown" );
+
+ for (i = 0, ent = g_entities, n = 1;
+ i < level.num_entities;
+ i++, ent++) {
+ if (ent->classname && !Q_stricmp(ent->classname, "target_location")) {
+ // lets overload some variables!
+ ent->health = n; // use for location marking
+ trap_SetConfigstring( CS_LOCATIONS + n, ent->message );
+ n++;
+ ent->nextTrain = level.locationHead;
+ level.locationHead = ent;
+ }
+ }
+
+ // All linked together now
+}
+
+/*QUAKED target_location (0 0.5 0) (-8 -8 -8) (8 8 8)
+Set "message" to the name of this location.
+Set "count" to 0-7 for color.
+0:white 1:red 2:green 3:yellow 4:blue 5:cyan 6:magenta 7:white
+
+Closest target_location in sight used for the location, if none
+in site, closest in distance
+*/
+void SP_target_location( gentity_t *self ){
+ self->think = target_location_linkup;
+ self->nextthink = level.time + 200; // Let them all spawn first
+
+ G_SetOrigin( self, self->s.origin );
+}
+
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