diff options
Diffstat (limited to 'code/game/g_items.c')
| -rwxr-xr-x | code/game/g_items.c | 1010 |
1 files changed, 1010 insertions, 0 deletions
diff --git a/code/game/g_items.c b/code/game/g_items.c new file mode 100755 index 0000000..48d7b9f --- /dev/null +++ b/code/game/g_items.c @@ -0,0 +1,1010 @@ +/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code 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.
+
+Quake III Arena source code 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 Foobar; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+//
+#include "g_local.h"
+
+/*
+
+ Items are any object that a player can touch to gain some effect.
+
+ Pickup will return the number of seconds until they should respawn.
+
+ all items should pop when dropped in lava or slime
+
+ Respawnable items don't actually go away when picked up, they are
+ just made invisible and untouchable. This allows them to ride
+ movers and respawn apropriately.
+*/
+
+
+#define RESPAWN_ARMOR 25
+#define RESPAWN_HEALTH 35
+#define RESPAWN_AMMO 40
+#define RESPAWN_HOLDABLE 60
+#define RESPAWN_MEGAHEALTH 35//120
+#define RESPAWN_POWERUP 120
+
+
+//======================================================================
+
+int Pickup_Powerup( gentity_t *ent, gentity_t *other ) {
+ int quantity;
+ int i;
+ gclient_t *client;
+
+ if ( !other->client->ps.powerups[ent->item->giTag] ) {
+ // round timing to seconds to make multiple powerup timers
+ // count in sync
+ other->client->ps.powerups[ent->item->giTag] =
+ level.time - ( level.time % 1000 );
+ }
+
+ if ( ent->count ) {
+ quantity = ent->count;
+ } else {
+ quantity = ent->item->quantity;
+ }
+
+ other->client->ps.powerups[ent->item->giTag] += quantity * 1000;
+
+ // give any nearby players a "denied" anti-reward
+ for ( i = 0 ; i < level.maxclients ; i++ ) {
+ vec3_t delta;
+ float len;
+ vec3_t forward;
+ trace_t tr;
+
+ client = &level.clients[i];
+ if ( client == other->client ) {
+ continue;
+ }
+ if ( client->pers.connected == CON_DISCONNECTED ) {
+ continue;
+ }
+ if ( client->ps.stats[STAT_HEALTH] <= 0 ) {
+ continue;
+ }
+
+ // if same team in team game, no sound
+ // cannot use OnSameTeam as it expects to g_entities, not clients
+ if ( g_gametype.integer >= GT_TEAM && other->client->sess.sessionTeam == client->sess.sessionTeam ) {
+ continue;
+ }
+
+ // if too far away, no sound
+ VectorSubtract( ent->s.pos.trBase, client->ps.origin, delta );
+ len = VectorNormalize( delta );
+ if ( len > 192 ) {
+ continue;
+ }
+
+ // if not facing, no sound
+ AngleVectors( client->ps.viewangles, forward, NULL, NULL );
+ if ( DotProduct( delta, forward ) < 0.4 ) {
+ continue;
+ }
+
+ // if not line of sight, no sound
+ trap_Trace( &tr, client->ps.origin, NULL, NULL, ent->s.pos.trBase, ENTITYNUM_NONE, CONTENTS_SOLID );
+ if ( tr.fraction != 1.0 ) {
+ continue;
+ }
+
+ // anti-reward
+ client->ps.persistant[PERS_PLAYEREVENTS] ^= PLAYEREVENT_DENIEDREWARD;
+ }
+ return RESPAWN_POWERUP;
+}
+
+//======================================================================
+
+#ifdef MISSIONPACK
+int Pickup_PersistantPowerup( gentity_t *ent, gentity_t *other ) {
+ int clientNum;
+ char userinfo[MAX_INFO_STRING];
+ float handicap;
+ int max;
+
+ other->client->ps.stats[STAT_PERSISTANT_POWERUP] = ent->item - bg_itemlist;
+ other->client->persistantPowerup = ent;
+
+ switch( ent->item->giTag ) {
+ case PW_GUARD:
+ clientNum = other->client->ps.clientNum;
+ trap_GetUserinfo( clientNum, userinfo, sizeof(userinfo) );
+ handicap = atof( Info_ValueForKey( userinfo, "handicap" ) );
+ if( handicap<=0.0f || handicap>100.0f) {
+ handicap = 100.0f;
+ }
+ max = (int)(2 * handicap);
+
+ other->health = max;
+ other->client->ps.stats[STAT_HEALTH] = max;
+ other->client->ps.stats[STAT_MAX_HEALTH] = max;
+ other->client->ps.stats[STAT_ARMOR] = max;
+ other->client->pers.maxHealth = max;
+
+ break;
+
+ case PW_SCOUT:
+ clientNum = other->client->ps.clientNum;
+ trap_GetUserinfo( clientNum, userinfo, sizeof(userinfo) );
+ handicap = atof( Info_ValueForKey( userinfo, "handicap" ) );
+ if( handicap<=0.0f || handicap>100.0f) {
+ handicap = 100.0f;
+ }
+ other->client->pers.maxHealth = handicap;
+ other->client->ps.stats[STAT_ARMOR] = 0;
+ break;
+
+ case PW_DOUBLER:
+ clientNum = other->client->ps.clientNum;
+ trap_GetUserinfo( clientNum, userinfo, sizeof(userinfo) );
+ handicap = atof( Info_ValueForKey( userinfo, "handicap" ) );
+ if( handicap<=0.0f || handicap>100.0f) {
+ handicap = 100.0f;
+ }
+ other->client->pers.maxHealth = handicap;
+ break;
+ case PW_AMMOREGEN:
+ clientNum = other->client->ps.clientNum;
+ trap_GetUserinfo( clientNum, userinfo, sizeof(userinfo) );
+ handicap = atof( Info_ValueForKey( userinfo, "handicap" ) );
+ if( handicap<=0.0f || handicap>100.0f) {
+ handicap = 100.0f;
+ }
+ other->client->pers.maxHealth = handicap;
+ memset(other->client->ammoTimes, 0, sizeof(other->client->ammoTimes));
+ break;
+ default:
+ clientNum = other->client->ps.clientNum;
+ trap_GetUserinfo( clientNum, userinfo, sizeof(userinfo) );
+ handicap = atof( Info_ValueForKey( userinfo, "handicap" ) );
+ if( handicap<=0.0f || handicap>100.0f) {
+ handicap = 100.0f;
+ }
+ other->client->pers.maxHealth = handicap;
+ break;
+ }
+
+ return -1;
+}
+
+//======================================================================
+#endif
+
+int Pickup_Holdable( gentity_t *ent, gentity_t *other ) {
+
+ other->client->ps.stats[STAT_HOLDABLE_ITEM] = ent->item - bg_itemlist;
+
+ if( ent->item->giTag == HI_KAMIKAZE ) {
+ other->client->ps.eFlags |= EF_KAMIKAZE;
+ }
+
+ return RESPAWN_HOLDABLE;
+}
+
+
+//======================================================================
+
+void Add_Ammo (gentity_t *ent, int weapon, int count)
+{
+ ent->client->ps.ammo[weapon] += count;
+ if ( ent->client->ps.ammo[weapon] > 200 ) {
+ ent->client->ps.ammo[weapon] = 200;
+ }
+}
+
+int Pickup_Ammo (gentity_t *ent, gentity_t *other)
+{
+ int quantity;
+
+ if ( ent->count ) {
+ quantity = ent->count;
+ } else {
+ quantity = ent->item->quantity;
+ }
+
+ Add_Ammo (other, ent->item->giTag, quantity);
+
+ return RESPAWN_AMMO;
+}
+
+//======================================================================
+
+
+int Pickup_Weapon (gentity_t *ent, gentity_t *other) {
+ int quantity;
+
+ if ( ent->count < 0 ) {
+ quantity = 0; // None for you, sir!
+ } else {
+ if ( ent->count ) {
+ quantity = ent->count;
+ } else {
+ quantity = ent->item->quantity;
+ }
+
+ // dropped items and teamplay weapons always have full ammo
+ if ( ! (ent->flags & FL_DROPPED_ITEM) && g_gametype.integer != GT_TEAM ) {
+ // respawning rules
+ // drop the quantity if the already have over the minimum
+ if ( other->client->ps.ammo[ ent->item->giTag ] < quantity ) {
+ quantity = quantity - other->client->ps.ammo[ ent->item->giTag ];
+ } else {
+ quantity = 1; // only add a single shot
+ }
+ }
+ }
+
+ // add the weapon
+ other->client->ps.stats[STAT_WEAPONS] |= ( 1 << ent->item->giTag );
+
+ Add_Ammo( other, ent->item->giTag, quantity );
+
+ if (ent->item->giTag == WP_GRAPPLING_HOOK)
+ other->client->ps.ammo[ent->item->giTag] = -1; // unlimited ammo
+
+ // team deathmatch has slow weapon respawns
+ if ( g_gametype.integer == GT_TEAM ) {
+ return g_weaponTeamRespawn.integer;
+ }
+
+ return g_weaponRespawn.integer;
+}
+
+
+//======================================================================
+
+int Pickup_Health (gentity_t *ent, gentity_t *other) {
+ int max;
+ int quantity;
+
+ // small and mega healths will go over the max
+#ifdef MISSIONPACK
+ if( other->client && bg_itemlist[other->client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_GUARD ) {
+ max = other->client->ps.stats[STAT_MAX_HEALTH];
+ }
+ else
+#endif
+ if ( ent->item->quantity != 5 && ent->item->quantity != 100 ) {
+ max = other->client->ps.stats[STAT_MAX_HEALTH];
+ } else {
+ max = other->client->ps.stats[STAT_MAX_HEALTH] * 2;
+ }
+
+ if ( ent->count ) {
+ quantity = ent->count;
+ } else {
+ quantity = ent->item->quantity;
+ }
+
+ other->health += quantity;
+
+ if (other->health > max ) {
+ other->health = max;
+ }
+ other->client->ps.stats[STAT_HEALTH] = other->health;
+
+ if ( ent->item->quantity == 100 ) { // mega health respawns slow
+ return RESPAWN_MEGAHEALTH;
+ }
+
+ return RESPAWN_HEALTH;
+}
+
+//======================================================================
+
+int Pickup_Armor( gentity_t *ent, gentity_t *other ) {
+#ifdef MISSIONPACK
+ int upperBound;
+
+ other->client->ps.stats[STAT_ARMOR] += ent->item->quantity;
+
+ if( other->client && bg_itemlist[other->client->ps.stats[STAT_PERSISTANT_POWERUP]].giTag == PW_GUARD ) {
+ upperBound = other->client->ps.stats[STAT_MAX_HEALTH];
+ }
+ else {
+ upperBound = other->client->ps.stats[STAT_MAX_HEALTH] * 2;
+ }
+
+ if ( other->client->ps.stats[STAT_ARMOR] > upperBound ) {
+ other->client->ps.stats[STAT_ARMOR] = upperBound;
+ }
+#else
+ other->client->ps.stats[STAT_ARMOR] += ent->item->quantity;
+ if ( other->client->ps.stats[STAT_ARMOR] > other->client->ps.stats[STAT_MAX_HEALTH] * 2 ) {
+ other->client->ps.stats[STAT_ARMOR] = other->client->ps.stats[STAT_MAX_HEALTH] * 2;
+ }
+#endif
+
+ return RESPAWN_ARMOR;
+}
+
+//======================================================================
+
+/*
+===============
+RespawnItem
+===============
+*/
+void RespawnItem( gentity_t *ent ) {
+ // randomly select from teamed entities
+ if (ent->team) {
+ gentity_t *master;
+ int count;
+ int choice;
+
+ if ( !ent->teammaster ) {
+ G_Error( "RespawnItem: bad teammaster");
+ }
+ master = ent->teammaster;
+
+ for (count = 0, ent = master; ent; ent = ent->teamchain, count++)
+ ;
+
+ choice = rand() % count;
+
+ for (count = 0, ent = master; count < choice; ent = ent->teamchain, count++)
+ ;
+ }
+
+ ent->r.contents = CONTENTS_TRIGGER;
+ ent->s.eFlags &= ~EF_NODRAW;
+ ent->r.svFlags &= ~SVF_NOCLIENT;
+ trap_LinkEntity (ent);
+
+ if ( ent->item->giType == IT_POWERUP ) {
+ // play powerup spawn sound to all clients
+ gentity_t *te;
+
+ // if the powerup respawn sound should Not be global
+ if (ent->speed) {
+ te = G_TempEntity( ent->s.pos.trBase, EV_GENERAL_SOUND );
+ }
+ else {
+ te = G_TempEntity( ent->s.pos.trBase, EV_GLOBAL_SOUND );
+ }
+ te->s.eventParm = G_SoundIndex( "sound/items/poweruprespawn.wav" );
+ te->r.svFlags |= SVF_BROADCAST;
+ }
+
+ if ( ent->item->giType == IT_HOLDABLE && ent->item->giTag == HI_KAMIKAZE ) {
+ // play powerup spawn sound to all clients
+ gentity_t *te;
+
+ // if the powerup respawn sound should Not be global
+ if (ent->speed) {
+ te = G_TempEntity( ent->s.pos.trBase, EV_GENERAL_SOUND );
+ }
+ else {
+ te = G_TempEntity( ent->s.pos.trBase, EV_GLOBAL_SOUND );
+ }
+ te->s.eventParm = G_SoundIndex( "sound/items/kamikazerespawn.wav" );
+ te->r.svFlags |= SVF_BROADCAST;
+ }
+
+ // play the normal respawn sound only to nearby clients
+ G_AddEvent( ent, EV_ITEM_RESPAWN, 0 );
+
+ ent->nextthink = 0;
+}
+
+
+/*
+===============
+Touch_Item
+===============
+*/
+void Touch_Item (gentity_t *ent, gentity_t *other, trace_t *trace) {
+ int respawn;
+ qboolean predict;
+
+ if (!other->client)
+ return;
+ if (other->health < 1)
+ return; // dead people can't pickup
+
+ // the same pickup rules are used for client side and server side
+ if ( !BG_CanItemBeGrabbed( g_gametype.integer, &ent->s, &other->client->ps ) ) {
+ return;
+ }
+
+ G_LogPrintf( "Item: %i %s\n", other->s.number, ent->item->classname );
+
+ predict = other->client->pers.predictItemPickup;
+
+ // call the item-specific pickup function
+ switch( ent->item->giType ) {
+ case IT_WEAPON:
+ respawn = Pickup_Weapon(ent, other);
+// predict = qfalse;
+ break;
+ case IT_AMMO:
+ respawn = Pickup_Ammo(ent, other);
+// predict = qfalse;
+ break;
+ case IT_ARMOR:
+ respawn = Pickup_Armor(ent, other);
+ break;
+ case IT_HEALTH:
+ respawn = Pickup_Health(ent, other);
+ break;
+ case IT_POWERUP:
+ respawn = Pickup_Powerup(ent, other);
+ predict = qfalse;
+ break;
+#ifdef MISSIONPACK
+ case IT_PERSISTANT_POWERUP:
+ respawn = Pickup_PersistantPowerup(ent, other);
+ break;
+#endif
+ case IT_TEAM:
+ respawn = Pickup_Team(ent, other);
+ break;
+ case IT_HOLDABLE:
+ respawn = Pickup_Holdable(ent, other);
+ break;
+ default:
+ return;
+ }
+
+ if ( !respawn ) {
+ return;
+ }
+
+ // play the normal pickup sound
+ if (predict) {
+ G_AddPredictableEvent( other, EV_ITEM_PICKUP, ent->s.modelindex );
+ } else {
+ G_AddEvent( other, EV_ITEM_PICKUP, ent->s.modelindex );
+ }
+
+ // powerup pickups are global broadcasts
+ if ( ent->item->giType == IT_POWERUP || ent->item->giType == IT_TEAM) {
+ // if we want the global sound to play
+ if (!ent->speed) {
+ gentity_t *te;
+
+ te = G_TempEntity( ent->s.pos.trBase, EV_GLOBAL_ITEM_PICKUP );
+ te->s.eventParm = ent->s.modelindex;
+ te->r.svFlags |= SVF_BROADCAST;
+ } else {
+ gentity_t *te;
+
+ te = G_TempEntity( ent->s.pos.trBase, EV_GLOBAL_ITEM_PICKUP );
+ te->s.eventParm = ent->s.modelindex;
+ // only send this temp entity to a single client
+ te->r.svFlags |= SVF_SINGLECLIENT;
+ te->r.singleClient = other->s.number;
+ }
+ }
+
+ // fire item targets
+ G_UseTargets (ent, other);
+
+ // wait of -1 will not respawn
+ if ( ent->wait == -1 ) {
+ ent->r.svFlags |= SVF_NOCLIENT;
+ ent->s.eFlags |= EF_NODRAW;
+ ent->r.contents = 0;
+ ent->unlinkAfterEvent = qtrue;
+ return;
+ }
+
+ // non zero wait overrides respawn time
+ if ( ent->wait ) {
+ respawn = ent->wait;
+ }
+
+ // random can be used to vary the respawn time
+ if ( ent->random ) {
+ respawn += crandom() * ent->random;
+ if ( respawn < 1 ) {
+ respawn = 1;
+ }
+ }
+
+ // dropped items will not respawn
+ if ( ent->flags & FL_DROPPED_ITEM ) {
+ ent->freeAfterEvent = qtrue;
+ }
+
+ // picked up items still stay around, they just don't
+ // draw anything. This allows respawnable items
+ // to be placed on movers.
+ ent->r.svFlags |= SVF_NOCLIENT;
+ ent->s.eFlags |= EF_NODRAW;
+ ent->r.contents = 0;
+
+ // ZOID
+ // A negative respawn times means to never respawn this item (but don't
+ // delete it). This is used by items that are respawned by third party
+ // events such as ctf flags
+ if ( respawn <= 0 ) {
+ ent->nextthink = 0;
+ ent->think = 0;
+ } else {
+ ent->nextthink = level.time + respawn * 1000;
+ ent->think = RespawnItem;
+ }
+ trap_LinkEntity( ent );
+}
+
+
+//======================================================================
+
+/*
+================
+LaunchItem
+
+Spawns an item and tosses it forward
+================
+*/
+gentity_t *LaunchItem( gitem_t *item, vec3_t origin, vec3_t velocity ) {
+ gentity_t *dropped;
+
+ dropped = G_Spawn();
+
+ dropped->s.eType = ET_ITEM;
+ dropped->s.modelindex = item - bg_itemlist; // store item number in modelindex
+ dropped->s.modelindex2 = 1; // This is non-zero is it's a dropped item
+
+ dropped->classname = item->classname;
+ dropped->item = item;
+ VectorSet (dropped->r.mins, -ITEM_RADIUS, -ITEM_RADIUS, -ITEM_RADIUS);
+ VectorSet (dropped->r.maxs, ITEM_RADIUS, ITEM_RADIUS, ITEM_RADIUS);
+ dropped->r.contents = CONTENTS_TRIGGER;
+
+ dropped->touch = Touch_Item;
+
+ G_SetOrigin( dropped, origin );
+ dropped->s.pos.trType = TR_GRAVITY;
+ dropped->s.pos.trTime = level.time;
+ VectorCopy( velocity, dropped->s.pos.trDelta );
+
+ dropped->s.eFlags |= EF_BOUNCE_HALF;
+#ifdef MISSIONPACK
+ if ((g_gametype.integer == GT_CTF || g_gametype.integer == GT_1FCTF) && item->giType == IT_TEAM) { // Special case for CTF flags
+#else
+ if (g_gametype.integer == GT_CTF && item->giType == IT_TEAM) { // Special case for CTF flags
+#endif
+ dropped->think = Team_DroppedFlagThink;
+ dropped->nextthink = level.time + 30000;
+ Team_CheckDroppedItem( dropped );
+ } else { // auto-remove after 30 seconds
+ dropped->think = G_FreeEntity;
+ dropped->nextthink = level.time + 30000;
+ }
+
+ dropped->flags = FL_DROPPED_ITEM;
+
+ trap_LinkEntity (dropped);
+
+ return dropped;
+}
+
+/*
+================
+Drop_Item
+
+Spawns an item and tosses it forward
+================
+*/
+gentity_t *Drop_Item( gentity_t *ent, gitem_t *item, float angle ) {
+ vec3_t velocity;
+ vec3_t angles;
+
+ VectorCopy( ent->s.apos.trBase, angles );
+ angles[YAW] += angle;
+ angles[PITCH] = 0; // always forward
+
+ AngleVectors( angles, velocity, NULL, NULL );
+ VectorScale( velocity, 150, velocity );
+ velocity[2] += 200 + crandom() * 50;
+
+ return LaunchItem( item, ent->s.pos.trBase, velocity );
+}
+
+
+/*
+================
+Use_Item
+
+Respawn the item
+================
+*/
+void Use_Item( gentity_t *ent, gentity_t *other, gentity_t *activator ) {
+ RespawnItem( ent );
+}
+
+//======================================================================
+
+/*
+================
+FinishSpawningItem
+
+Traces down to find where an item should rest, instead of letting them
+free fall from their spawn points
+================
+*/
+void FinishSpawningItem( gentity_t *ent ) {
+ trace_t tr;
+ vec3_t dest;
+
+ VectorSet( ent->r.mins, -ITEM_RADIUS, -ITEM_RADIUS, -ITEM_RADIUS );
+ VectorSet( ent->r.maxs, ITEM_RADIUS, ITEM_RADIUS, ITEM_RADIUS );
+
+ ent->s.eType = ET_ITEM;
+ ent->s.modelindex = ent->item - bg_itemlist; // store item number in modelindex
+ ent->s.modelindex2 = 0; // zero indicates this isn't a dropped item
+
+ ent->r.contents = CONTENTS_TRIGGER;
+ ent->touch = Touch_Item;
+ // useing an item causes it to respawn
+ ent->use = Use_Item;
+
+ if ( ent->spawnflags & 1 ) {
+ // suspended
+ G_SetOrigin( ent, ent->s.origin );
+ } else {
+ // drop to floor
+ VectorSet( dest, ent->s.origin[0], ent->s.origin[1], ent->s.origin[2] - 4096 );
+ trap_Trace( &tr, ent->s.origin, ent->r.mins, ent->r.maxs, dest, ent->s.number, MASK_SOLID );
+ if ( tr.startsolid ) {
+ G_Printf ("FinishSpawningItem: %s startsolid at %s\n", ent->classname, vtos(ent->s.origin));
+ G_FreeEntity( ent );
+ return;
+ }
+
+ // allow to ride movers
+ ent->s.groundEntityNum = tr.entityNum;
+
+ G_SetOrigin( ent, tr.endpos );
+ }
+
+ // team slaves and targeted items aren't present at start
+ if ( ( ent->flags & FL_TEAMSLAVE ) || ent->targetname ) {
+ ent->s.eFlags |= EF_NODRAW;
+ ent->r.contents = 0;
+ return;
+ }
+
+ // powerups don't spawn in for a while
+ if ( ent->item->giType == IT_POWERUP ) {
+ float respawn;
+
+ respawn = 45 + crandom() * 15;
+ ent->s.eFlags |= EF_NODRAW;
+ ent->r.contents = 0;
+ ent->nextthink = level.time + respawn * 1000;
+ ent->think = RespawnItem;
+ return;
+ }
+
+
+ trap_LinkEntity (ent);
+}
+
+
+qboolean itemRegistered[MAX_ITEMS];
+
+/*
+==================
+G_CheckTeamItems
+==================
+*/
+void G_CheckTeamItems( void ) {
+
+ // Set up team stuff
+ Team_InitGame();
+
+ if( g_gametype.integer == GT_CTF ) {
+ gitem_t *item;
+
+ // check for the two flags
+ item = BG_FindItem( "Red Flag" );
+ if ( !item || !itemRegistered[ item - bg_itemlist ] ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_CTF_redflag in map" );
+ }
+ item = BG_FindItem( "Blue Flag" );
+ if ( !item || !itemRegistered[ item - bg_itemlist ] ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_CTF_blueflag in map" );
+ }
+ }
+#ifdef MISSIONPACK
+ if( g_gametype.integer == GT_1FCTF ) {
+ gitem_t *item;
+
+ // check for all three flags
+ item = BG_FindItem( "Red Flag" );
+ if ( !item || !itemRegistered[ item - bg_itemlist ] ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_CTF_redflag in map" );
+ }
+ item = BG_FindItem( "Blue Flag" );
+ if ( !item || !itemRegistered[ item - bg_itemlist ] ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_CTF_blueflag in map" );
+ }
+ item = BG_FindItem( "Neutral Flag" );
+ if ( !item || !itemRegistered[ item - bg_itemlist ] ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_CTF_neutralflag in map" );
+ }
+ }
+
+ if( g_gametype.integer == GT_OBELISK ) {
+ gentity_t *ent;
+
+ // check for the two obelisks
+ ent = NULL;
+ ent = G_Find( ent, FOFS(classname), "team_redobelisk" );
+ if( !ent ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_redobelisk in map" );
+ }
+
+ ent = NULL;
+ ent = G_Find( ent, FOFS(classname), "team_blueobelisk" );
+ if( !ent ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_blueobelisk in map" );
+ }
+ }
+
+ if( g_gametype.integer == GT_HARVESTER ) {
+ gentity_t *ent;
+
+ // check for all three obelisks
+ ent = NULL;
+ ent = G_Find( ent, FOFS(classname), "team_redobelisk" );
+ if( !ent ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_redobelisk in map" );
+ }
+
+ ent = NULL;
+ ent = G_Find( ent, FOFS(classname), "team_blueobelisk" );
+ if( !ent ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_blueobelisk in map" );
+ }
+
+ ent = NULL;
+ ent = G_Find( ent, FOFS(classname), "team_neutralobelisk" );
+ if( !ent ) {
+ G_Printf( S_COLOR_YELLOW "WARNING: No team_neutralobelisk in map" );
+ }
+ }
+#endif
+}
+
+/*
+==============
+ClearRegisteredItems
+==============
+*/
+void ClearRegisteredItems( void ) {
+ memset( itemRegistered, 0, sizeof( itemRegistered ) );
+
+ // players always start with the base weapon
+ RegisterItem( BG_FindItemForWeapon( WP_MACHINEGUN ) );
+ RegisterItem( BG_FindItemForWeapon( WP_GAUNTLET ) );
+#ifdef MISSIONPACK
+ if( g_gametype.integer == GT_HARVESTER ) {
+ RegisterItem( BG_FindItem( "Red Cube" ) );
+ RegisterItem( BG_FindItem( "Blue Cube" ) );
+ }
+#endif
+}
+
+/*
+===============
+RegisterItem
+
+The item will be added to the precache list
+===============
+*/
+void RegisterItem( gitem_t *item ) {
+ if ( !item ) {
+ G_Error( "RegisterItem: NULL" );
+ }
+ itemRegistered[ item - bg_itemlist ] = qtrue;
+}
+
+
+/*
+===============
+SaveRegisteredItems
+
+Write the needed items to a config string
+so the client will know which ones to precache
+===============
+*/
+void SaveRegisteredItems( void ) {
+ char string[MAX_ITEMS+1];
+ int i;
+ int count;
+
+ count = 0;
+ for ( i = 0 ; i < bg_numItems ; i++ ) {
+ if ( itemRegistered[i] ) {
+ count++;
+ string[i] = '1';
+ } else {
+ string[i] = '0';
+ }
+ }
+ string[ bg_numItems ] = 0;
+
+ G_Printf( "%i items registered\n", count );
+ trap_SetConfigstring(CS_ITEMS, string);
+}
+
+/*
+============
+G_ItemDisabled
+============
+*/
+int G_ItemDisabled( gitem_t *item ) {
+
+ char name[128];
+
+ Com_sprintf(name, sizeof(name), "disable_%s", item->classname);
+ return trap_Cvar_VariableIntegerValue( name );
+}
+
+/*
+============
+G_SpawnItem
+
+Sets the clipping size and plants the object on the floor.
+
+Items can't be immediately dropped to floor, because they might
+be on an entity that hasn't spawned yet.
+============
+*/
+void G_SpawnItem (gentity_t *ent, gitem_t *item) {
+ G_SpawnFloat( "random", "0", &ent->random );
+ G_SpawnFloat( "wait", "0", &ent->wait );
+
+ RegisterItem( item );
+ if ( G_ItemDisabled(item) )
+ return;
+
+ ent->item = item;
+ // some movers spawn on the second frame, so delay item
+ // spawns until the third frame so they can ride trains
+ ent->nextthink = level.time + FRAMETIME * 2;
+ ent->think = FinishSpawningItem;
+
+ ent->physicsBounce = 0.50; // items are bouncy
+
+ if ( item->giType == IT_POWERUP ) {
+ G_SoundIndex( "sound/items/poweruprespawn.wav" );
+ G_SpawnFloat( "noglobalsound", "0", &ent->speed);
+ }
+
+#ifdef MISSIONPACK
+ if ( item->giType == IT_PERSISTANT_POWERUP ) {
+ ent->s.generic1 = ent->spawnflags;
+ }
+#endif
+}
+
+
+/*
+================
+G_BounceItem
+
+================
+*/
+void G_BounceItem( gentity_t *ent, trace_t *trace ) {
+ vec3_t velocity;
+ float dot;
+ int hitTime;
+
+ // reflect the velocity on the trace plane
+ hitTime = level.previousTime + ( level.time - level.previousTime ) * trace->fraction;
+ BG_EvaluateTrajectoryDelta( &ent->s.pos, hitTime, velocity );
+ dot = DotProduct( velocity, trace->plane.normal );
+ VectorMA( velocity, -2*dot, trace->plane.normal, ent->s.pos.trDelta );
+
+ // cut the velocity to keep from bouncing forever
+ VectorScale( ent->s.pos.trDelta, ent->physicsBounce, ent->s.pos.trDelta );
+
+ // check for stop
+ if ( trace->plane.normal[2] > 0 && ent->s.pos.trDelta[2] < 40 ) {
+ trace->endpos[2] += 1.0; // make sure it is off ground
+ SnapVector( trace->endpos );
+ G_SetOrigin( ent, trace->endpos );
+ ent->s.groundEntityNum = trace->entityNum;
+ return;
+ }
+
+ VectorAdd( ent->r.currentOrigin, trace->plane.normal, ent->r.currentOrigin);
+ VectorCopy( ent->r.currentOrigin, ent->s.pos.trBase );
+ ent->s.pos.trTime = level.time;
+}
+
+
+/*
+================
+G_RunItem
+
+================
+*/
+void G_RunItem( gentity_t *ent ) {
+ vec3_t origin;
+ trace_t tr;
+ int contents;
+ int mask;
+
+ // if groundentity has been set to -1, it may have been pushed off an edge
+ if ( ent->s.groundEntityNum == -1 ) {
+ if ( ent->s.pos.trType != TR_GRAVITY ) {
+ ent->s.pos.trType = TR_GRAVITY;
+ ent->s.pos.trTime = level.time;
+ }
+ }
+
+ if ( ent->s.pos.trType == TR_STATIONARY ) {
+ // check think function
+ G_RunThink( ent );
+ return;
+ }
+
+ // get current position
+ BG_EvaluateTrajectory( &ent->s.pos, level.time, origin );
+
+ // trace a line from the previous position to the current position
+ if ( ent->clipmask ) {
+ mask = ent->clipmask;
+ } else {
+ mask = MASK_PLAYERSOLID & ~CONTENTS_BODY;//MASK_SOLID;
+ }
+ trap_Trace( &tr, ent->r.currentOrigin, ent->r.mins, ent->r.maxs, origin,
+ ent->r.ownerNum, mask );
+
+ VectorCopy( tr.endpos, ent->r.currentOrigin );
+
+ if ( tr.startsolid ) {
+ tr.fraction = 0;
+ }
+
+ trap_LinkEntity( ent ); // FIXME: avoid this for stationary?
+
+ // check think function
+ G_RunThink( ent );
+
+ if ( tr.fraction == 1 ) {
+ return;
+ }
+
+ // if it is in a nodrop volume, remove it
+ contents = trap_PointContents( ent->r.currentOrigin, -1 );
+ if ( contents & CONTENTS_NODROP ) {
+ if (ent->item && ent->item->giType == IT_TEAM) {
+ Team_FreeEntity(ent);
+ } else {
+ G_FreeEntity( ent );
+ }
+ return;
+ }
+
+ G_BounceItem( ent, &tr );
+}
+
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