/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. Copyright (C) 2000-2009 Darklegion Development This file is part of Tremulous. Tremulous 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. Tremulous 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 Tremulous; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =========================================================================== */ #include "g_local.h" /* ================ G_SetBuildableAnim Triggers an animation client side ================ */ void G_SetBuildableAnim( gentity_t *ent, buildableAnimNumber_t anim, qboolean force ) { int localAnim = anim | ( ent->s.legsAnim & ANIM_TOGGLEBIT ); if( force ) localAnim |= ANIM_FORCEBIT; // don't flip the togglebit more than once per frame if( ent->animTime != level.time ) { ent->animTime = level.time; localAnim ^= ANIM_TOGGLEBIT; } ent->s.legsAnim = localAnim; } /* ================ G_SetIdleBuildableAnim Set the animation to use whilst no other animations are running ================ */ void G_SetIdleBuildableAnim( gentity_t *ent, buildableAnimNumber_t anim ) { ent->s.torsoAnim = anim; } /* =============== G_CheckSpawnPoint Check if a spawn at a specified point is valid =============== */ gentity_t *G_CheckSpawnPoint( int spawnNum, const vec3_t origin, const vec3_t normal, buildable_t spawn, vec3_t spawnOrigin ) { float displacement; vec3_t mins, maxs; vec3_t cmins, cmaxs; vec3_t localOrigin; trace_t tr; BG_BuildableBoundingBox( spawn, mins, maxs ); if( spawn == BA_A_SPAWN ) { VectorSet( cmins, -MAX_ALIEN_BBOX, -MAX_ALIEN_BBOX, -MAX_ALIEN_BBOX ); VectorSet( cmaxs, MAX_ALIEN_BBOX, MAX_ALIEN_BBOX, MAX_ALIEN_BBOX ); displacement = ( maxs[ 2 ] + MAX_ALIEN_BBOX ) * M_ROOT3; VectorMA( origin, displacement, normal, localOrigin ); } else if( spawn == BA_H_SPAWN ) { BG_ClassBoundingBox( PCL_HUMAN, cmins, cmaxs, NULL, NULL, NULL ); VectorCopy( origin, localOrigin ); localOrigin[ 2 ] += maxs[ 2 ] + fabs( cmins[ 2 ] ) + 1.0f; } else return NULL; trap_Trace( &tr, origin, NULL, NULL, localOrigin, spawnNum, MASK_SHOT ); if( tr.entityNum != ENTITYNUM_NONE ) return &g_entities[ tr.entityNum ]; trap_Trace( &tr, localOrigin, cmins, cmaxs, localOrigin, -1, MASK_PLAYERSOLID ); if( tr.entityNum != ENTITYNUM_NONE ) return &g_entities[ tr.entityNum ]; if( spawnOrigin != NULL ) VectorCopy( localOrigin, spawnOrigin ); return NULL; } /* ================== G_GetBuildPoints Get the number of build points from a position ================== */ int G_GetBuildPoints( const vec3_t pos, team_t team ) { if( G_TimeTilSuddenDeath( ) <= 0 ) { return 0; } else if( team == TEAM_ALIENS ) { return level.alienBuildPoints; } else if( team == TEAM_HUMANS ) { return 0xDEADBEE; //humans use the material system } return 0; } /* ================ G_IsDCCBuilt See if any powered DCC exists ================ */ qboolean G_IsDCCBuilt( void ) { int i; gentity_t *ent; static gentity_t *cache = NULL; if( cache && cache->inuse && cache->s.eType == ET_BUILDABLE && cache->s.modelindex == BA_H_DCC && cache->spawned && cache->powered && cache->health >= 0 ) return qtrue; for( i = MAX_CLIENTS, ent = g_entities + i; i < level.num_entities; i++, ent++ ) { if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->s.modelindex != BA_H_DCC ) continue; if( !ent->spawned ) continue; if( ent->health <= 0 ) continue; if( !ent->powered ) continue; cache = ent; return qtrue; } return qfalse; } /* ================ G_IsRTGBuilt See if any RTG exists ================ */ qboolean G_IsRTGBuilt( void ) { int i; gentity_t *ent; static gentity_t *cache = NULL; if( cache && cache->inuse && cache->s.eType == ET_BUILDABLE && cache->s.modelindex == BA_H_DCC && cache->spawned && cache->health >= 0 ) return qtrue; for( i = MAX_CLIENTS, ent = g_entities + i; i < level.num_entities; i++, ent++ ) { if( !ent->r.linked ) continue; if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->s.modelindex != BA_H_RTG ) continue; if( !ent->spawned ) continue; if( ent->health <= 0 ) continue; cache = ent; return qtrue; } return qfalse; } /* ================ G_Overmind Since there's only one overmind and we quite often want to find it, cache the results, but check it for validity each time The code here will break if more than one overmind is allowed, even if one of them is dead/unspawned ================ */ static gentity_t *G_FindBuildable( buildable_t buildable ); gentity_t *G_Overmind( void ) { static gentity_t *om; // If cache becomes invalid renew it if( !om || om->s.eType != ET_BUILDABLE || om->s.modelindex != BA_A_OVERMIND ) om = G_FindBuildable( BA_A_OVERMIND ); // If we found it and it's alive, return it if( om && om->spawned && om->health > 0 ) return om; return NULL; } /* ================ G_FindCreep attempt to find creep for self, return qtrue if successful ================ */ qboolean G_FindCreep( gentity_t *self ) { int i; gentity_t *ent; gentity_t *closestSpawn = NULL; int distance = 0; int minDistance = 10000; vec3_t temp_v; //don't check for creep if flying through the air if( self->s.groundEntityNum == -1 ) return qtrue; //if self does not have a parentNode or it's parentNode is invalid find a new one if( self->client || self->parentNode == NULL || !self->parentNode->inuse || self->parentNode->health <= 0 ) { for( i = MAX_CLIENTS, ent = g_entities + i; i < level.num_entities; i++, ent++ ) { if( ent->s.eType != ET_BUILDABLE ) continue; if( ( ent->s.modelindex == BA_A_SPAWN || ent->s.modelindex == BA_A_OVERMIND ) && ent->spawned && ent->health > 0 ) { VectorSubtract( self->s.origin, ent->s.origin, temp_v ); distance = VectorLength( temp_v ); if( distance < minDistance ) { closestSpawn = ent; minDistance = distance; } } } if( minDistance <= CREEP_BASESIZE ) { if( !self->client ) self->parentNode = closestSpawn; return qtrue; } else return qfalse; } if( self->client ) return qfalse; //if we haven't returned by now then we must already have a valid parent return qtrue; } /* ================ G_IsCreepHere simple wrapper to G_FindCreep to check if a location has creep ================ */ static qboolean G_IsCreepHere( vec3_t origin ) { gentity_t dummy; memset( &dummy, 0, sizeof( gentity_t ) ); dummy.parentNode = NULL; dummy.s.modelindex = BA_NONE; VectorCopy( origin, dummy.s.origin ); return G_FindCreep( &dummy ); } /* ================ G_CreepSlow Set any nearby humans' SS_CREEPSLOWED flag ================ */ static void G_CreepSlow( gentity_t *self ) { int entityList[ MAX_GENTITIES ]; vec3_t range; vec3_t mins, maxs; int i, num; gentity_t *enemy; buildable_t buildable = self->s.modelindex; float creepSize = (float)BG_Buildable( buildable, self->cuboidSize )->creepSize; VectorSet( range, creepSize, creepSize, creepSize ); VectorAdd( self->s.origin, range, maxs ); VectorSubtract( self->s.origin, range, mins ); //find humans num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); for( i = 0; i < num; i++ ) { enemy = &g_entities[ entityList[ i ] ]; if( enemy->flags & FL_NOTARGET ) continue; if( enemy->client && enemy->client->ps.stats[ STAT_TEAM ] == TEAM_HUMANS && enemy->client->ps.groundEntityNum != ENTITYNUM_NONE ) { enemy->client->ps.stats[ STAT_STATE ] |= SS_CREEPSLOWED; enemy->client->lastCreepSlowTime = level.time; } } } /* ================ G_ScanPowerGrid Recursively finds all power entities reachable from the specified entity ================ */ static struct { int networkID; gentity_t *load[ MAX_GENTITIES ]; int loadCount; gentity_t *sources[ MAX_GENTITIES ]; int sourceCount; qboolean visited[ MAX_GENTITIES ]; } grid; void G_ScanPowerGrid( gentity_t *this ) { int i; int nextList[ MAX_GENTITIES ], nextCount; gentity_t *next; vec3_t mins, maxs; float range; switch( this->s.modelindex ) { case BA_H_REACTOR: case BA_H_CAPBANK: case BA_H_RTG: range = REACTOR_BASESIZE; break; case BA_H_REPEATER: range = REPEATER_BASESIZE; break; } for( i = 0; i < 3; i++ ) { mins[ i ] = this->s.origin[ i ] - range; maxs[ i ] = this->s.origin[ i ] + range; } nextCount = trap_EntitiesInBox( mins, maxs, nextList, MAX_GENTITIES ); for( i = 0; i < nextCount; i++ ) { if( grid.visited[ nextList[ i ] ] ) continue; grid.visited[ nextList[ i ] ] = qtrue; next = g_entities + nextList[ i ]; if( next->s.eType != ET_BUILDABLE ) { //let ckits know in which network's range they're in if( next->client && next->health >= 0 && next->s.weapon == WP_HBUILD ) next->powerNetwork = grid.networkID; continue; } if( next->health <= 0 ) continue; if( next->buildableTeam != TEAM_HUMANS ) continue; //repeater just extends the power grid //it does not provide or consume power if( next->spawned && next->s.modelindex == BA_H_REPEATER ) { //switched off if( !next->active ) continue; next->powerNetwork = grid.networkID; G_ScanPowerGrid( next ); continue; } if( !next->isPowerSource && !next->requiresPower ) continue; next->powerNetwork = grid.networkID; if( next->isPowerSource ) { //switched off if( !next->active ) continue; grid.sources[ grid.sourceCount++ ] = next; next->powerNetwork = grid.networkID; G_ScanPowerGrid( next ); } else grid.load[ grid.loadCount++ ] = next; } } /* ================ G_CalculatePowerGrid This function takes the listed power sources (with voltages V and internal resistances Rs) and load (with resistances R), constructs the following electrical circuit and solves it: Legend: -(-+)-- voltage source -/\/\/- resistor |- ground V1 Rs1 I1 R1 +--(-+)--/\/\/-->-+ +--/\/\/--+ | V2 Rs2 I2| I | R2 | |--+--(-+)--/\/\/-->-+-->--+--/\/\/--+--| | | | | ... ... ... ... | Vn Rsn In| | Rn | +--(-+)--/\/\/-->-+ +--/\/\/--+ ================ */ void G_CalculatePowerGrid( void ) { int i, j; gentity_t *ent; float nGl, nGs, nG, nR; float URs, U2, Is; // the net load conductance (resistors in parallel) for( nGl = 0.0f, i = 0; i < grid.loadCount; i++ ) nGl += 1.0f / grid.load[ i ]->resistance; // the net source conductance (resistors in parallel) for( nGs = 0.0f, i = 0; i < grid.sourceCount; i++ ) nGs += 1.0f / grid.sources[ i ]->resistance; // solve the circuit using the superposition theorem for( i = 0; i < grid.sourceCount; i++ ) { ent = grid.sources[ i ]; // net load + other sources conductance nG = nGl + nGs - 1.0f / ent->resistance; // net resistance nR = 1.0f / nG + ent->resistance; // current flowing through the source Is = ent->voltage / nR; ent->current += ent->voltage / nR; // voltage drop on source's internal resistance URs = Is * ent->resistance; // voltage drop on other sources or the entire load U2 = ent->voltage - URs; // current flowing through other sources for( j = 0; j < grid.sourceCount; j++ ) if( i != j ) grid.sources[ j ]->current -= U2 / grid.sources[ j ]->resistance; // current flowing through parts of the load for( j = 0; j < grid.loadCount; j++ ) grid.load[ j ]->current += U2 / grid.load[ j ]->resistance; } } /* ================ G_UpdatePowerGrid Recalculate the entire power grid ================ */ void G_UpdatePowerGrid( float dt ) { int i; gentity_t *ent; // reset all ckits for( i = 0; i < MAX_CLIENTS; i++ ) g_entities[ i ].powerNetwork = 0; // reset all power entities for( i = MAX_CLIENTS; i < level.num_entities; i++ ) { ent = g_entities + i; if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->buildableTeam != TEAM_HUMANS ) continue; ent->powerNetwork = 0; ent->current = 0.0f; if( !ent->spawned ) { ent->resistance = PREBUILD_RESISTANCE; continue; } if( ent->s.modelindex == BA_H_REACTOR || ent->s.modelindex == BA_H_RTG ) ent->voltage = POWER_VOLTAGE * g_voltageModifier.value; if( !ent->requiresPower || ent->isPowerSource ) continue; if( ent->surge ) ent->resistance = BG_Buildable( ent->s.modelindex, NULL )->surgeResistance; else ent->resistance = BG_Buildable( ent->s.modelindex, NULL )->resistance; } // this table will be used throughout the following loop and its recursive calls memset( grid.visited, 0, sizeof( grid.visited ) ); // find an unvisited power source and make a list of all power sources // and receivers reachable from it for G_CalculatePowerGrid for( i = MAX_CLIENTS; i < level.num_entities; i++ ) { if( grid.visited[ i ] ) continue; ent = g_entities + i; if( ent->s.eType != ET_BUILDABLE ) continue; if( !ent->spawned ) continue; if( ent->health <= 0 ) continue; if( ent->buildableTeam != TEAM_HUMANS ) continue; if( !ent->isPowerSource ) continue; if( !ent->active ) continue; // unique network id grid.networkID = ent->s.number; ent->powerNetwork = grid.networkID; // traverse the world and find all reachable power entities grid.loadCount = 0; grid.sourceCount = 0; // add this source to the list grid.visited[ i ] = qtrue; grid.sources[ grid.sourceCount++ ] = ent; // scan recursively G_ScanPowerGrid( ent ); // calculate the power grid G_CalculatePowerGrid( ); } // calculate voltages, power levels, etc. for( i = MAX_CLIENTS; i < level.num_entities; i++ ) { ent = g_entities + i; if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->buildableTeam != TEAM_HUMANS ) continue; if( ent->isPowerSource ) { if( ent->active && ent->s.modelindex == BA_H_CAPBANK ) ent->voltage -= ent->current * dt / CAPBANK_CAPACITY; //zapping effect #define MIN_ZAP_CURRENT 15.0f #define ZAP_CHANCE_FACTOR 0.001f if( ent->current > MIN_ZAP_CURRENT ) { float chance; chance = ( ent->current - MIN_ZAP_CURRENT ) * ZAP_CHANCE_FACTOR; if( chance > 0.2f ) chance = 0.2f; chance = 1.0f - chance; if( random() > chance ) G_AddEvent( ent, EV_POWER_ZAP, 0 ); } } else ent->voltage = ent->current * ent->resistance; } } /* ================ G_SetupPowerEntity Called when a Human buildable finishes spawning and needs power grid related variables to be set accordingly ================ */ void G_SetupPowerEntity( gentity_t *built ) { built->requiresPower = BG_Buildable( built->s.modelindex, NULL )->requiresPower; built->isPowerSource = BG_Buildable( built->s.modelindex, NULL )->isPowerSource; built->resistance = BG_Buildable( built->s.modelindex, NULL )->resistance; if( built->isPowerSource ) { switch( built->s.modelindex ) { case BA_H_REACTOR: built->resistance = REACTOR_RESISTANCE; break; case BA_H_CAPBANK: built->voltage = 0.0f; //spawn discharged built->resistance = CAPBANK_RESISTANCE; case BA_H_RTG: built->resistance = RTG_RESISTANCE; break; } } } /* ================ G_PowerForPoint Returns to which network ID this point belongs ================ */ int G_PowerForPoint( vec3_t point ) { int i; int list[ MAX_GENTITIES ], count; gentity_t *ent; vec3_t mins, maxs; float range; /* switch( this->s.modelindex ) { }*/ range = REACTOR_BASESIZE; for( i = 0; i < 3; i++ ) { mins[ i ] = point[ i ] - range; maxs[ i ] = point[ i ] + range; } count = trap_EntitiesInBox( mins, maxs, list, MAX_GENTITIES ); for( i = 0; i < count; i++ ) { ent = g_entities + list[ i ]; if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->buildableTeam != TEAM_HUMANS ) continue; if( ent->health <= 0 ) continue; if( !ent->spawned ) continue; if( !ent->powerNetwork ) continue; switch( ent->s.modelindex ) { case BA_H_REACTOR: case BA_H_CAPBANK: case BA_H_RTG: range = REACTOR_BASESIZE; break; case BA_H_REPEATER: range = REPEATER_BASESIZE; break; default: continue; } if( Distance( ent->s.origin, point ) > range ) continue; return ent->powerNetwork; } return 0; } /* ================ NOTES TO G_CheckPower AND G_Surge Make sure that a buildable's resistance NEVER depends on its power state. Failure to ensure that will result in feedback loops in the power grid and general weirdness. ================ */ /* ================ G_CheckPower (Helper for Human buildable think functions) Checks if there's enough power for the buildable to idle ================ */ qboolean G_CheckPower( gentity_t *self, float min_current ) { self->surge = qfalse; self->surgePowered = qfalse; self->powered = qtrue; if( self->current < min_current ) { self->powered = qfalse; return qfalse; } return qtrue; } /* ================ G_Surge (Helper for Human buildable think functions) Checks if there's enough power for the buildable to perform its action ================ */ qboolean G_Surge( gentity_t *self, float surge_current ) { self->surge = qtrue; if( self->current < surge_current ) return qfalse; self->surgePowered = qtrue; return qtrue; } /* ================ nullDieFunction hack to prevent compilers complaining about function pointer -> NULL conversion ================ */ static void nullDieFunction( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int damage, int mod ) { } //================================================================================== /* ================ AGeneric_CreepRecede Called when an alien buildable dies ================ */ void AGeneric_CreepRecede( gentity_t *self ) { //if the creep just died begin the recession if( !( self->s.eFlags & EF_DEAD ) ) { self->s.eFlags |= EF_DEAD; G_QueueBuildPoints( self ); G_RewardAttackers( self ); G_AddEvent( self, EV_BUILD_DESTROY, 0 ); if( self->spawned ) self->s.time = -level.time; else self->s.time = -( level.time - (int)( (float)CREEP_SCALEDOWN_TIME * ( 1.0f - ( (float)( level.time - self->buildTime ) / (float)BG_Buildable( self->s.modelindex, self->cuboidSize )->buildTime ) ) ) ); } //creep is still receeding if( ( self->timestamp + 10000 ) > level.time ) self->nextthink = level.time + 500; else //creep has died G_FreeEntity( self ); } /* ================ AGeneric_Blast Called when an Alien buildable explodes after dead state ================ */ void AGeneric_Blast( gentity_t *self ) { vec3_t dir; VectorCopy( self->s.origin2, dir ); //do a bit of radius damage G_SelectiveRadiusDamage( self->s.pos.trBase, g_entities + self->killedBy, self->splashDamage, self->splashRadius, self, self->splashMethodOfDeath, TEAM_ALIENS ); //pretty events and item cleanup self->s.eFlags |= EF_NODRAW; //don't draw the model once it's destroyed G_AddEvent( self, EV_ALIEN_BUILDABLE_EXPLOSION, DirToByte( dir ) ); self->timestamp = level.time; self->think = AGeneric_CreepRecede; self->nextthink = level.time + 500; self->r.contents = 0; //stop collisions... trap_LinkEntity( self ); //...requires a relink } /* ================ AGeneric_Die Called when an Alien buildable is killed and enters a brief dead state prior to exploding. ================ */ void AGeneric_Die( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int damage, int mod ) { G_SetBuildableAnim( self, BANIM_DESTROY1, qtrue ); G_SetIdleBuildableAnim( self, BANIM_DESTROYED ); self->die = nullDieFunction; self->killedBy = attacker - g_entities; self->think = AGeneric_Blast; self->s.eFlags &= ~EF_FIRING; //prevent any firing effects self->powered = qfalse; if( self->spawned ) self->nextthink = level.time + 5000; else self->nextthink = level.time; //blast immediately G_LogDestruction( self, attacker, mod ); } /* ================ AGeneric_CreepCheck Tests for creep and kills the buildable if there is none ================ */ void AGeneric_CreepCheck( gentity_t *self ) { gentity_t *spawn; spawn = self->parentNode; if( !G_FindCreep( self ) ) { if( spawn ) G_Damage( self, NULL, g_entities + spawn->killedBy, NULL, NULL, self->health, 0, MOD_NOCREEP ); else G_Damage( self, NULL, NULL, NULL, NULL, self->health, 0, MOD_NOCREEP ); return; } G_CreepSlow( self ); } /* ================ AGeneric_Think A generic think function for Alien buildables ================ */ void AGeneric_Think( gentity_t *self ) { self->powered = G_Overmind( ) != NULL; self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; AGeneric_CreepCheck( self ); } /* ================ AGeneric_Pain A generic pain function for Alien buildables ================ */ void AGeneric_Pain( gentity_t *self, gentity_t *attacker, int damage ) { if( self->health <= 0 ) return; // Alien buildables only have the first pain animation defined G_SetBuildableAnim( self, BANIM_PAIN1, qfalse ); } //================================================================================== /* ================ ASpawn_Think think function for Alien Spawn ================ */ void ASpawn_Think( gentity_t *self ) { gentity_t *ent; if( self->spawned ) { //only suicide if at rest if( self->s.groundEntityNum ) { if( ( ent = G_CheckSpawnPoint( self->s.number, self->s.origin, self->s.origin2, BA_A_SPAWN, NULL ) ) != NULL ) { // If the thing blocking the spawn is a buildable, kill it. // If it's part of the map, kill self. if( ent->s.eType == ET_BUILDABLE ) { if( ent->builtBy >= 0 ) // don't queue the bp from this G_Damage( ent, NULL, g_entities + ent->builtBy, NULL, NULL, 10000, 0, MOD_SUICIDE ); else G_Damage( ent, NULL, NULL, NULL, NULL, 10000, 0, MOD_SUICIDE ); G_SetBuildableAnim( self, BANIM_SPAWN1, qtrue ); } else if( ent->s.number == ENTITYNUM_WORLD || ent->s.eType == ET_MOVER ) { G_Damage( self, NULL, NULL, NULL, NULL, 10000, 0, MOD_SUICIDE ); return; } if( ent->s.eType == ET_CORPSE ) G_FreeEntity( ent ); //quietly remove } } } G_CreepSlow( self ); self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; } //================================================================================== #define OVERMIND_ATTACK_PERIOD 10000 #define OVERMIND_DYING_PERIOD 5000 #define OVERMIND_SPAWNS_PERIOD 30000 /* ================ AOvermind_Think Think function for Alien Overmind ================ */ void AOvermind_Think( gentity_t *self ) { vec3_t range = { OVERMIND_ATTACK_RANGE, OVERMIND_ATTACK_RANGE, OVERMIND_ATTACK_RANGE }; int i; if( self->spawned && ( self->health > 0 ) ) { //do some damage if( G_SelectiveRadiusDamage( self->s.pos.trBase, self, self->splashDamage, self->splashRadius, self, MOD_OVERMIND, TEAM_ALIENS ) ) { self->timestamp = level.time; G_SetBuildableAnim( self, BANIM_ATTACK1, qfalse ); } // just in case an egg finishes building after we tell overmind to stfu if( level.numAlienSpawns > 0 ) level.overmindMuted = qfalse; // shut up during intermission if( level.intermissiontime ) level.overmindMuted = qtrue; //low on spawns if( !level.overmindMuted && level.numAlienSpawns <= 0 && level.time > self->overmindSpawnsTimer ) { qboolean haveBuilder = qfalse; gentity_t *builder; self->overmindSpawnsTimer = level.time + OVERMIND_SPAWNS_PERIOD; G_BroadcastEvent( EV_OVERMIND_SPAWNS, 0 ); for( i = 0; i < level.numConnectedClients; i++ ) { builder = &g_entities[ level.sortedClients[ i ] ]; if( builder->health > 0 && ( builder->client->pers.classSelection == PCL_ALIEN_BUILDER0 || builder->client->pers.classSelection == PCL_ALIEN_BUILDER0_UPG ) ) { haveBuilder = qtrue; break; } } // aliens now know they have no eggs, but they're screwed, so stfu if( !haveBuilder || G_TimeTilSuddenDeath( ) <= 0 ) level.overmindMuted = qtrue; } //overmind dying if( self->health < ( OVERMIND_HEALTH / 10.0f ) && level.time > self->overmindDyingTimer ) { self->overmindDyingTimer = level.time + OVERMIND_DYING_PERIOD; G_BroadcastEvent( EV_OVERMIND_DYING, 0 ); } //overmind under attack if( self->health < self->lastHealth && level.time > self->overmindAttackTimer ) { self->overmindAttackTimer = level.time + OVERMIND_ATTACK_PERIOD; G_BroadcastEvent( EV_OVERMIND_ATTACK, 0 ); } self->lastHealth = self->health; } else self->overmindSpawnsTimer = level.time + OVERMIND_SPAWNS_PERIOD; G_CreepSlow( self ); self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; } //================================================================================== /* ================ ABarricade_Pain Barricade pain animation depends on shrunk state ================ */ void ABarricade_Pain( gentity_t *self, gentity_t *attacker, int damage ) { if( self->health <= 0 ) return; if( !self->shrunkTime ) G_SetBuildableAnim( self, BANIM_PAIN1, qfalse ); else G_SetBuildableAnim( self, BANIM_PAIN2, qfalse ); } /* ================ ABarricade_Shrink Set shrink state for a barricade. When unshrinking, checks to make sure there is enough room. ================ */ void ABarricade_Shrink( gentity_t *self, qboolean shrink ) { if ( !self->spawned || self->health <= 0 ) shrink = qtrue; if ( shrink && self->shrunkTime ) { int anim; // We need to make sure that the animation has been set to shrunk mode // because we start out shrunk but with the construct animation when built self->shrunkTime = level.time; anim = self->s.torsoAnim & ~( ANIM_FORCEBIT | ANIM_TOGGLEBIT ); if ( self->spawned && self->health > 0 && anim != BANIM_DESTROYED ) { G_SetIdleBuildableAnim( self, BANIM_DESTROYED ); G_SetBuildableAnim( self, BANIM_ATTACK1, qtrue ); } return; } if ( !shrink && ( !self->shrunkTime || level.time < self->shrunkTime + BARRICADE_SHRINKTIMEOUT ) ) return; BG_BuildableBoundingBox( BA_A_BARRICADE, self->r.mins, self->r.maxs ); if ( shrink ) { self->r.maxs[ 2 ] = (int)( self->r.maxs[ 2 ] * BARRICADE_SHRINKPROP ); self->shrunkTime = level.time; // shrink animation, the destroy animation is used if ( self->spawned && self->health > 0 ) { G_SetBuildableAnim( self, BANIM_ATTACK1, qtrue ); G_SetIdleBuildableAnim( self, BANIM_DESTROYED ); } } else { trace_t tr; int anim; trap_Trace( &tr, self->s.origin, self->r.mins, self->r.maxs, self->s.origin, self->s.number, MASK_PLAYERSOLID ); if ( tr.startsolid || tr.fraction < 1.0f ) { self->r.maxs[ 2 ] = (int)( self->r.maxs[ 2 ] * BARRICADE_SHRINKPROP ); return; } self->shrunkTime = 0; // unshrink animation, IDLE2 has been hijacked for this anim = self->s.legsAnim & ~( ANIM_FORCEBIT | ANIM_TOGGLEBIT ); if ( self->spawned && self->health > 0 && anim != BANIM_CONSTRUCT1 && anim != BANIM_CONSTRUCT2 ) { G_SetIdleBuildableAnim( self, BG_Buildable( BA_A_BARRICADE, NULL )->idleAnim ); G_SetBuildableAnim( self, BANIM_ATTACK2, qtrue ); } } // a change in size requires a relink if ( self->spawned ) trap_LinkEntity( self ); } /* ================ ABarricade_Die Called when an alien barricade dies ================ */ void ABarricade_Die( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int damage, int mod ) { AGeneric_Die( self, inflictor, attacker, damage, mod ); ABarricade_Shrink( self, qtrue ); } /* ================ ABarricade_Think Think function for Alien Barricade ================ */ void ABarricade_Think( gentity_t *self ) { AGeneric_Think( self ); // Shrink if unpowered ABarricade_Shrink( self, !self->powered ); } /* ================ ABarricade_Touch Barricades shrink when they are come into contact with an Alien that can pass through ================ */ void ABarricade_Touch( gentity_t *self, gentity_t *other, trace_t *trace ) { gclient_t *client = other->client; int client_z, min_z; if( !client || client->pers.teamSelection != TEAM_ALIENS ) return; // Client must be high enough to pass over. Note that STEPSIZE (18) is // hardcoded here because we don't include bg_local.h! client_z = other->s.origin[ 2 ] + other->r.mins[ 2 ]; min_z = self->s.origin[ 2 ] - 18 + (int)( self->r.maxs[ 2 ] * BARRICADE_SHRINKPROP ); if( client_z < min_z ) return; ABarricade_Shrink( self, qtrue ); } //================================================================================== /* ================ AAcidTube_Think Think function for Alien Acid Tube ================ */ void AAcidTube_Think( gentity_t *self ) { int entityList[ MAX_GENTITIES ]; vec3_t range = { ACIDTUBE_RANGE, ACIDTUBE_RANGE, ACIDTUBE_RANGE }; vec3_t mins, maxs; int i, num; gentity_t *enemy; AGeneric_Think( self ); VectorAdd( self->s.origin, range, maxs ); VectorSubtract( self->s.origin, range, mins ); // attack nearby humans if( self->spawned && self->health > 0 && self->powered ) { num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); for( i = 0; i < num; i++ ) { enemy = &g_entities[ entityList[ i ] ]; if( enemy->flags & FL_NOTARGET ) continue; if( !G_Visible( self, enemy, CONTENTS_SOLID ) ) continue; if( enemy->client && enemy->client->ps.stats[ STAT_TEAM ] == TEAM_HUMANS ) { // start the attack animation if( level.time >= self->timestamp + ACIDTUBE_REPEAT_ANIM ) { self->timestamp = level.time; G_SetBuildableAnim( self, BANIM_ATTACK1, qfalse ); G_AddEvent( self, EV_ALIEN_ACIDTUBE, DirToByte( self->s.origin2 ) ); } G_SelectiveRadiusDamage( self->s.pos.trBase, self, ACIDTUBE_DAMAGE, ACIDTUBE_RANGE, self, MOD_ATUBE, TEAM_ALIENS ); self->nextthink = level.time + ACIDTUBE_REPEAT; return; } } } } //================================================================================== /* ================ AHive_CheckTarget Returns true and fires the hive missile if the target is valid ================ */ static qboolean AHive_CheckTarget( gentity_t *self, gentity_t *enemy ) { trace_t trace; vec3_t tip_origin, dirToTarget; // Check if this is a valid target if( enemy->health <= 0 || !enemy->client || enemy->client->ps.stats[ STAT_TEAM ] != TEAM_HUMANS ) return qfalse; if( enemy->flags & FL_NOTARGET ) return qfalse; // Check if the tip of the hive can see the target VectorMA( self->s.pos.trBase, self->r.maxs[ 2 ], self->s.origin2, tip_origin ); if( Distance( tip_origin, enemy->s.origin ) > HIVE_SENSE_RANGE ) return qfalse; trap_Trace( &trace, tip_origin, NULL, NULL, enemy->s.pos.trBase, self->s.number, MASK_SHOT ); if( trace.fraction < 1.0f && trace.entityNum != enemy->s.number ) return qfalse; self->active = qtrue; self->target_ent = enemy; self->timestamp = level.time + HIVE_REPEAT; VectorSubtract( enemy->s.pos.trBase, self->s.pos.trBase, dirToTarget ); VectorNormalize( dirToTarget ); vectoangles( dirToTarget, self->turretAim ); // Fire at target FireWeapon( self ); G_SetBuildableAnim( self, BANIM_ATTACK1, qfalse ); return qtrue; } /* ================ AHive_Think Think function for Alien Hive ================ */ void AHive_Think( gentity_t *self ) { int start; AGeneric_Think( self ); // Hive missile hasn't returned in HIVE_REPEAT seconds, forget about it if( self->timestamp < level.time ) self->active = qfalse; // Find a target to attack if( self->spawned && !self->active && self->powered ) { int i, num, entityList[ MAX_GENTITIES ]; vec3_t mins, maxs, range = { HIVE_SENSE_RANGE, HIVE_SENSE_RANGE, HIVE_SENSE_RANGE }; VectorAdd( self->s.origin, range, maxs ); VectorSubtract( self->s.origin, range, mins ); num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); if( num == 0 ) return; start = rand( ) / ( RAND_MAX / num + 1 ); for( i = start; i < num + start; i++ ) { if( AHive_CheckTarget( self, g_entities + entityList[ i % num ] ) ) return; } } } /* ================ AHive_Pain pain function for Alien Hive ================ */ void AHive_Pain( gentity_t *self, gentity_t *attacker, int damage ) { if( self->spawned && self->powered && !self->active ) AHive_CheckTarget( self, attacker ); G_SetBuildableAnim( self, BANIM_PAIN1, qfalse ); } //================================================================================== /* ================ ABooster_Touch Called when an alien touches a booster ================ */ void ABooster_Touch( gentity_t *self, gentity_t *other, trace_t *trace ) { gclient_t *client = other->client; if( !self->spawned || !self->powered || self->health <= 0 ) return; if( !client ) return; if( client->ps.stats[ STAT_TEAM ] == TEAM_HUMANS ) return; if( other->flags & FL_NOTARGET ) return; // notarget cancels even beneficial effects? client->ps.stats[ STAT_STATE ] |= SS_BOOSTED; client->boostedTime = level.time; // give the rant bomb if( client->lastRantBombTime + LEVEL4_BOMB_REGEN <= level.time ) { client->lastRantBombTime = level.time; client->ps.ammo = 1; } } //================================================================================== #define TRAPPER_ACCURACY 10 // lower is better /* ================ ATrapper_FireOnEnemy Used by ATrapper_Think to fire at enemy ================ */ void ATrapper_FireOnEnemy( gentity_t *self, int firespeed, float range ) { gentity_t *enemy = self->enemy; vec3_t dirToTarget; vec3_t halfAcceleration, thirdJerk; float distanceToTarget = BG_Buildable( self->s.modelindex, NULL )->turretRange; int lowMsec = 0; int highMsec = (int)( ( ( ( distanceToTarget * LOCKBLOB_SPEED ) + ( distanceToTarget * BG_Class( enemy->client->ps.stats[ STAT_CLASS ] )->speed ) ) / ( LOCKBLOB_SPEED * LOCKBLOB_SPEED ) ) * 1000.0f ); VectorScale( enemy->acceleration, 1.0f / 2.0f, halfAcceleration ); VectorScale( enemy->jerk, 1.0f / 3.0f, thirdJerk ); // highMsec and lowMsec can only move toward // one another, so the loop must terminate while( highMsec - lowMsec > TRAPPER_ACCURACY ) { int partitionMsec = ( highMsec + lowMsec ) / 2; float time = (float)partitionMsec / 1000.0f; float projectileDistance = LOCKBLOB_SPEED * time; VectorMA( enemy->s.pos.trBase, time, enemy->s.pos.trDelta, dirToTarget ); VectorMA( dirToTarget, time * time, halfAcceleration, dirToTarget ); VectorMA( dirToTarget, time * time * time, thirdJerk, dirToTarget ); VectorSubtract( dirToTarget, self->s.pos.trBase, dirToTarget ); distanceToTarget = VectorLength( dirToTarget ); if( projectileDistance < distanceToTarget ) lowMsec = partitionMsec; else if( projectileDistance > distanceToTarget ) highMsec = partitionMsec; else if( projectileDistance == distanceToTarget ) break; // unlikely to happen } VectorNormalize( dirToTarget ); vectoangles( dirToTarget, self->turretAim ); //fire at target FireWeapon( self ); G_SetBuildableAnim( self, BANIM_ATTACK1, qfalse ); self->count = level.time + firespeed; } /* ================ ATrapper_CheckTarget Used by ATrapper_Think to check enemies for validity ================ */ qboolean ATrapper_CheckTarget( gentity_t *self, gentity_t *target, int range ) { vec3_t distance; trace_t trace; if( !target ) // Do we have a target? return qfalse; if( !target->inuse ) // Does the target still exist? return qfalse; if( target == self ) // is the target us? return qfalse; if( !target->client ) // is the target a bot or player? return qfalse; if( target->flags & FL_NOTARGET ) // is the target cheating? return qfalse; if( target->client->ps.stats[ STAT_TEAM ] == TEAM_ALIENS ) // one of us? return qfalse; if( target->client->sess.spectatorState != SPECTATOR_NOT ) // is the target alive? return qfalse; if( target->health <= 0 ) // is the target still alive? return qfalse; if( target->client->ps.stats[ STAT_STATE ] & SS_BLOBLOCKED ) // locked? return qfalse; VectorSubtract( target->r.currentOrigin, self->r.currentOrigin, distance ); if( VectorLength( distance ) > range ) // is the target within range? return qfalse; //only allow a narrow field of "vision" VectorNormalize( distance ); //is now direction of target if( DotProduct( distance, self->s.origin2 ) < LOCKBLOB_DOT ) return qfalse; trap_Trace( &trace, self->s.pos.trBase, NULL, NULL, target->s.pos.trBase, self->s.number, MASK_SHOT ); if ( trace.contents & CONTENTS_SOLID ) // can we see the target? return qfalse; return qtrue; } /* ================ ATrapper_FindEnemy Used by ATrapper_Think to locate enemy gentities ================ */ void ATrapper_FindEnemy( gentity_t *ent, int range ) { gentity_t *target; int i; int start; // iterate through entities // note that if we exist then level.num_entities != 0 start = rand( ) / ( RAND_MAX / level.num_entities + 1 ); for( i = start; i < level.num_entities + start; i++ ) { target = g_entities + ( i % level.num_entities ); //if target is not valid keep searching if( !ATrapper_CheckTarget( ent, target, range ) ) continue; //we found a target ent->enemy = target; return; } //couldn't find a target ent->enemy = NULL; } /* ================ ATrapper_Think think function for Alien Defense ================ */ void ATrapper_Think( gentity_t *self ) { int range = BG_Buildable( self->s.modelindex, NULL )->turretRange; int firespeed = BG_Buildable( self->s.modelindex, NULL )->turretFireSpeed; AGeneric_Think( self ); if( self->spawned && self->powered ) { //if the current target is not valid find a new one if( !ATrapper_CheckTarget( self, self->enemy, range ) ) ATrapper_FindEnemy( self, range ); //if a new target cannot be found don't do anything if( !self->enemy ) return; //if we are pointing at our target and we can fire shoot it if( self->count < level.time ) ATrapper_FireOnEnemy( self, firespeed, range ); } } //================================================================================== /* ================ G_IdlePowerState Set buildable idle animation to match power state ================ */ static void G_IdlePowerState( gentity_t *self ) { if( self->powered ) { if( self->s.torsoAnim == BANIM_IDLE3 ) G_SetIdleBuildableAnim( self, BG_Buildable( self->s.modelindex, NULL )->idleAnim ); } else { if( self->s.torsoAnim != BANIM_IDLE3 ) G_SetIdleBuildableAnim( self, BANIM_IDLE3 ); } } //================================================================================== /* ================ HSpawn_Disappear Called when a human spawn is destroyed before it is spawned think function ================ */ void HSpawn_Disappear( gentity_t *self ) { self->s.eFlags |= EF_NODRAW; //don't draw the model once its destroyed self->timestamp = level.time; G_QueueBuildPoints( self ); G_RewardAttackers( self ); G_FreeEntity( self ); } /* ================ HSpawn_blast Called when a human spawn explodes think function ================ */ void HSpawn_Blast( gentity_t *self ) { vec3_t dir; // we don't have a valid direction, so just point straight up dir[ 0 ] = dir[ 1 ] = 0; dir[ 2 ] = 1; self->timestamp = level.time; //do some radius damage G_RadiusDamage( self->s.pos.trBase, g_entities + self->killedBy, self->splashDamage, self->splashRadius, self, self->splashMethodOfDeath ); // begin freeing build points G_QueueBuildPoints( self ); G_RewardAttackers( self ); // turn into an explosion self->s.eType = ET_EVENTS + EV_HUMAN_BUILDABLE_EXPLOSION; self->freeAfterEvent = qtrue; G_AddEvent( self, EV_HUMAN_BUILDABLE_EXPLOSION, DirToByte( dir ) ); } /* ================ HSpawn_die Called when a human spawn dies ================ */ void HSpawn_Die( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int damage, int mod ) { G_SetBuildableAnim( self, BANIM_DESTROY1, qtrue ); G_SetIdleBuildableAnim( self, BANIM_DESTROYED ); self->die = nullDieFunction; self->killedBy = attacker - g_entities; self->s.eFlags &= ~EF_FIRING; //prevent any firing effects if( self->spawned ) { self->think = HSpawn_Blast; self->nextthink = level.time + HUMAN_DETONATION_DELAY; } else { self->think = HSpawn_Disappear; self->nextthink = level.time; //blast immediately } G_LogDestruction( self, attacker, mod ); } /* ================ HSpawn_Think Think for human spawn ================ */ void HSpawn_Think( gentity_t *self ) { gentity_t *ent; if( !self->spawned || self->health <= 0 ) return; //only suicide if at rest if( self->s.groundEntityNum ) { if( ( ent = G_CheckSpawnPoint( self->s.number, self->s.origin, self->s.origin2, BA_H_SPAWN, NULL ) ) != NULL ) { // If the thing blocking the spawn is a buildable, kill it. // If it's part of the map, kill self. if( ent->s.eType == ET_BUILDABLE ) { G_Damage( ent, NULL, NULL, NULL, NULL, self->health, 0, MOD_SUICIDE ); G_SetBuildableAnim( self, BANIM_SPAWN1, qtrue ); } else if( ent->s.number == ENTITYNUM_WORLD || ent->s.eType == ET_MOVER ) { G_Damage( self, NULL, NULL, NULL, NULL, self->health, 0, MOD_SUICIDE ); return; } if( ent->s.eType == ET_CORPSE ) G_FreeEntity( ent ); //quietly remove } } self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; } //================================================================================== /* ================ HRepeater_Think Think function for Human Repeater ================ */ void HRepeater_Think( gentity_t *self ) { self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; if( !self->spawned || self->health <= 0 ) return; self->powered = self->active && ( self->powerNetwork != 0 ); G_IdlePowerState( self ); } /* ================ HRepeater_Die Called when a repeater dies ================ */ static void HRepeater_Die( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int damage, int mod ) { G_SetBuildableAnim( self, BANIM_DESTROY1, qtrue ); G_SetIdleBuildableAnim( self, BANIM_DESTROYED ); self->die = nullDieFunction; self->killedBy = attacker - g_entities; self->s.eFlags &= ~EF_FIRING; //prevent any firing effects if( self->spawned ) { self->think = HSpawn_Blast; self->nextthink = level.time + HUMAN_DETONATION_DELAY; } else { self->think = HSpawn_Disappear; self->nextthink = level.time; //blast immediately } G_LogDestruction( self, attacker, mod ); } /* ================ HSwitchable_Use Use for switchable buildings ================ */ void HSwitchable_Use( gentity_t *self, gentity_t *other, gentity_t *activator ) { if( !self->spawned || self->health <= 0 ) return; if( !other || !other->client ) return; // ckits and blasters switch the building if( other->s.weapon == WP_HBUILD || other->s.weapon == WP_BLASTER ) { self->active ^= 1; G_AddEvent( self, EV_POWER_SWITCH, 0 ); return; } // not powered if( !self->powerNetwork ) return; if( other && other->client ) G_GiveClientMaxAmmo( other, qtrue ); } /* ================ HReactor_Think Think function for Human Reactor ================ */ void HReactor_Think( gentity_t *self ) { int entityList[ MAX_GENTITIES ]; vec3_t range = { REACTOR_ATTACK_RANGE, REACTOR_ATTACK_RANGE, REACTOR_ATTACK_RANGE }; vec3_t dccrange = { REACTOR_ATTACK_DCC_RANGE, REACTOR_ATTACK_DCC_RANGE, REACTOR_ATTACK_DCC_RANGE }; vec3_t mins, maxs; int i, num; gentity_t *enemy, *tent; qboolean fired = qfalse; if( !self->spawned || self->health <= 0 ) return; self->powered = self->active; G_IdlePowerState( self ); if( G_IsDCCBuilt( ) ) { VectorAdd( self->s.origin, dccrange, maxs ); VectorSubtract( self->s.origin, dccrange, mins ); } else { VectorAdd( self->s.origin, range, maxs ); VectorSubtract( self->s.origin, range, mins ); } // Creates a tesla trail for every target num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); for( i = 0; i < num; i++ ) { enemy = &g_entities[ entityList[ i ] ]; if( !enemy->client || enemy->client->ps.stats[ STAT_TEAM ] != TEAM_ALIENS ) continue; if( enemy->flags & FL_NOTARGET ) continue; tent = G_TempEntity( enemy->s.pos.trBase, EV_TESLATRAIL ); tent->s.generic1 = self->s.number; //src tent->s.clientNum = enemy->s.number; //dest VectorCopy( self->s.pos.trBase, tent->s.origin2 ); fired = qtrue; } // Actual damage is done by radius if( fired ) { self->timestamp = level.time; if( G_IsDCCBuilt( ) ) G_SelectiveRadiusDamage( self->s.pos.trBase, self, REACTOR_ATTACK_DCC_DAMAGE, REACTOR_ATTACK_DCC_RANGE, self, MOD_REACTOR, TEAM_HUMANS ); else G_SelectiveRadiusDamage( self->s.pos.trBase, self, REACTOR_ATTACK_DAMAGE, REACTOR_ATTACK_RANGE, self, MOD_REACTOR, TEAM_HUMANS ); } if( G_IsDCCBuilt( ) ) self->nextthink -= REACTOR_ATTACK_DCC_REPEAT - REACTOR_ATTACK_REPEAT; } //================================================================================== /* ================ HArmoury_Think * Think function for Human Armoury ================ */ void HArmoury_Think( gentity_t *self ) { self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; if( !self->spawned ) return; G_CheckPower( self, ARMOURY_CURRENT ); } /* ================ HArmoury_Activate Called when a human activates an Armoury ================ */ void HArmoury_Activate( gentity_t *self, gentity_t *other, gentity_t *activator ) { if( self->spawned ) { //only humans can activate this if( activator->client->ps.stats[ STAT_TEAM ] != TEAM_HUMANS ) return; //if this is powered then call the armoury menu if( self->powered ) G_TriggerMenu( activator->client->ps.clientNum, MN_H_ARMOURY ); else G_TriggerMenu( activator->client->ps.clientNum, MN_H_NOTPOWERED ); } } //================================================================================== /* ================ HMedistat_Die Die function for Human Medistation ================ */ void HMedistat_Die( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int damage, int mod ) { //clear target's healing flag if( self->enemy && self->enemy->client ) self->enemy->client->ps.stats[ STAT_STATE ] &= ~SS_HEALING_ACTIVE; HSpawn_Die( self, inflictor, attacker, damage, mod ); } /* ================ HMedistat_Think think function for Human Medistation ================ */ void HMedistat_Think( gentity_t *self ) { int entityList[ MAX_GENTITIES ]; vec3_t mins, maxs; int i, num; gentity_t *player; qboolean occupied = qfalse; self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; if( !self->spawned || self->health <= 0 ) return; G_CheckPower( self, MEDISTAT_I_IDLE ); G_IdlePowerState( self ); //clear target's healing flag if( self->enemy && self->enemy->client ) self->enemy->client->ps.stats[ STAT_STATE ] &= ~SS_HEALING_ACTIVE; //make sure we have power if( !self->powered ) { if( self->active ) { self->active = qfalse; self->enemy = NULL; } } VectorAdd( self->s.origin, self->r.maxs, maxs ); VectorAdd( self->s.origin, self->r.mins, mins ); mins[ 2 ] += fabs( self->r.mins[ 2 ] ) + self->r.maxs[ 2 ]; maxs[ 2 ] += 60; //player height //if active use the healing idle if( self->active ) G_SetIdleBuildableAnim( self, BANIM_IDLE2 ); //check if a previous occupier is still here num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); for( i = 0; i < num; i++ ) { player = &g_entities[ entityList[ i ] ]; if( player->flags & FL_NOTARGET ) continue; // notarget cancels even beneficial effects? //remove poison from everyone, not just the healed player if( player->client && player->client->ps.stats[ STAT_STATE ] & SS_POISONED ) player->client->ps.stats[ STAT_STATE ] &= ~SS_POISONED; if( self->enemy == player && player->client && ( ( player->client->ps.stats[ STAT_TEAM ] == TEAM_HUMANS ) && player->health < player->client->ps.stats[ STAT_MAX_HEALTH ] && PM_Live( player->client->ps.pm_type ) ) ) { if( !G_Surge( self, MEDISTAT_I_ACTIVE ) ) return; occupied = qtrue; player->client->ps.stats[ STAT_STATE ] |= SS_HEALING_ACTIVE; } } if( !occupied ) { self->enemy = NULL; //look for something to heal for( i = 0; i < num; i++ ) { player = &g_entities[ entityList[ i ] ]; if( player->flags & FL_NOTARGET ) continue; // notarget cancels even beneficial effects? if( player->client && player->client->ps.stats[ STAT_TEAM ] == TEAM_HUMANS ) { if( ( player->health < player->client->ps.stats[ STAT_MAX_HEALTH ] || player->client->ps.stats[ STAT_STAMINA ] < STAMINA_MAX ) && PM_Live( player->client->ps.pm_type ) ) { if( !G_Surge( self, MEDISTAT_I_ACTIVE ) ) return; self->enemy = player; //start the heal anim if( !self->active && self->surge && self->surgePowered ) { G_SetBuildableAnim( self, BANIM_ATTACK1, qfalse ); self->active = qtrue; player->client->ps.stats[ STAT_STATE ] |= SS_HEALING_ACTIVE; } } else if( !BG_InventoryContainsUpgrade( UP_MEDKIT, player->client->ps.stats ) ) BG_AddUpgradeToInventory( UP_MEDKIT, player->client->ps.stats ); } } } //nothing left to heal so go back to idling if( !self->enemy && self->active ) { G_SetBuildableAnim( self, BANIM_CONSTRUCT2, qtrue ); G_SetIdleBuildableAnim( self, BANIM_IDLE1 ); self->active = qfalse; } else if( self->enemy && self->enemy->client ) //heal! { if( self->enemy->client->ps.stats[ STAT_STAMINA ] < STAMINA_MAX ) self->enemy->client->ps.stats[ STAT_STAMINA ] += STAMINA_MEDISTAT_RESTORE; if( self->enemy->client->ps.stats[ STAT_STAMINA ] > STAMINA_MAX ) self->enemy->client->ps.stats[ STAT_STAMINA ] = STAMINA_MAX; self->enemy->health++; //if they're completely healed, give them a medkit if( self->enemy->health >= self->enemy->client->ps.stats[ STAT_MAX_HEALTH ] ) { self->enemy->health = self->enemy->client->ps.stats[ STAT_MAX_HEALTH ]; if( !BG_InventoryContainsUpgrade( UP_MEDKIT, self->enemy->client->ps.stats ) ) BG_AddUpgradeToInventory( UP_MEDKIT, self->enemy->client->ps.stats ); } } } //================================================================================== /* ================ HMGTurret_CheckTarget Used by HMGTurret_Think to check enemies for validity ================ */ qboolean HMGTurret_CheckTarget( gentity_t *self, gentity_t *target, qboolean los_check ) { trace_t tr; vec3_t dir, end; if( !target || target->health <= 0 || !target->client || target->client->pers.teamSelection != TEAM_ALIENS ) return qfalse; if( target->flags & FL_NOTARGET ) return qfalse; if( !los_check ) return qtrue; // Accept target if we can line-trace to it VectorSubtract( target->s.pos.trBase, self->s.pos.trBase, dir ); VectorNormalize( dir ); VectorMA( self->s.pos.trBase, MGTURRET_RANGE, dir, end ); trap_Trace( &tr, self->s.pos.trBase, NULL, NULL, end, self->s.number, MASK_SHOT ); return tr.entityNum == target - g_entities; } /* ================ HMGTurret_TrackEnemy Used by HMGTurret_Think to track enemy location ================ */ qboolean HMGTurret_TrackEnemy( gentity_t *self ) { vec3_t dirToTarget, dttAdjusted, angleToTarget, angularDiff, xNormal; vec3_t refNormal = { 0.0f, 0.0f, 1.0f }; float temp, rotAngle; VectorSubtract( self->enemy->s.pos.trBase, self->s.pos.trBase, dirToTarget ); VectorNormalize( dirToTarget ); CrossProduct( self->s.origin2, refNormal, xNormal ); VectorNormalize( xNormal ); rotAngle = RAD2DEG( acos( DotProduct( self->s.origin2, refNormal ) ) ); RotatePointAroundVector( dttAdjusted, xNormal, dirToTarget, rotAngle ); vectoangles( dttAdjusted, angleToTarget ); angularDiff[ PITCH ] = AngleSubtract( self->s.angles2[ PITCH ], angleToTarget[ PITCH ] ); angularDiff[ YAW ] = AngleSubtract( self->s.angles2[ YAW ], angleToTarget[ YAW ] ); //if not pointing at our target then move accordingly if( angularDiff[ PITCH ] < 0 && angularDiff[ PITCH ] < (-MGTURRET_ANGULARSPEED) ) self->s.angles2[ PITCH ] += MGTURRET_ANGULARSPEED; else if( angularDiff[ PITCH ] > 0 && angularDiff[ PITCH ] > MGTURRET_ANGULARSPEED ) self->s.angles2[ PITCH ] -= MGTURRET_ANGULARSPEED; else self->s.angles2[ PITCH ] = angleToTarget[ PITCH ]; //disallow vertical movement past a certain limit temp = fabs( self->s.angles2[ PITCH ] ); if( temp > 180 ) temp -= 360; if( temp < -MGTURRET_VERTICALCAP ) self->s.angles2[ PITCH ] = (-360) + MGTURRET_VERTICALCAP; //if not pointing at our target then move accordingly if( angularDiff[ YAW ] < 0 && angularDiff[ YAW ] < ( -MGTURRET_ANGULARSPEED ) ) self->s.angles2[ YAW ] += MGTURRET_ANGULARSPEED; else if( angularDiff[ YAW ] > 0 && angularDiff[ YAW ] > MGTURRET_ANGULARSPEED ) self->s.angles2[ YAW ] -= MGTURRET_ANGULARSPEED; else self->s.angles2[ YAW ] = angleToTarget[ YAW ]; AngleVectors( self->s.angles2, dttAdjusted, NULL, NULL ); RotatePointAroundVector( dirToTarget, xNormal, dttAdjusted, -rotAngle ); vectoangles( dirToTarget, self->turretAim ); //fire if target is within accuracy return ( abs( angularDiff[ YAW ] ) - MGTURRET_ANGULARSPEED <= MGTURRET_ACCURACY_TO_FIRE ) && ( abs( angularDiff[ PITCH ] ) - MGTURRET_ANGULARSPEED <= MGTURRET_ACCURACY_TO_FIRE ); } /* ================ HMGTurret_FindEnemy Used by HMGTurret_Think to locate enemy gentities ================ */ void HMGTurret_FindEnemy( gentity_t *self ) { int entityList[ MAX_GENTITIES ]; vec3_t range; vec3_t mins, maxs; int i, num; gentity_t *target; int start; if( self->enemy ) self->enemy->targeted = NULL; self->enemy = NULL; // Look for targets in a box around the turret VectorSet( range, MGTURRET_RANGE, MGTURRET_RANGE, MGTURRET_RANGE ); VectorAdd( self->s.origin, range, maxs ); VectorSubtract( self->s.origin, range, mins ); num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); if( num == 0 ) return; start = rand( ) / ( RAND_MAX / num + 1 ); for( i = start; i < num + start ; i++ ) { target = &g_entities[ entityList[ i % num ] ]; if( !HMGTurret_CheckTarget( self, target, qtrue ) ) continue; self->enemy = target; self->enemy->targeted = self; return; } } /* ================ HMGTurret_State Raise or lower MG turret towards desired state ================ */ enum { MGT_STATE_INACTIVE, MGT_STATE_DROP, MGT_STATE_RISE, MGT_STATE_ACTIVE }; static qboolean HMGTurret_State( gentity_t *self, int state ) { float angle; if( self->waterlevel == state ) return qfalse; angle = AngleNormalize180( self->s.angles2[ PITCH ] ); if( state == MGT_STATE_INACTIVE ) { if( angle < MGTURRET_VERTICALCAP ) { if( self->waterlevel != MGT_STATE_DROP ) { self->speed = 0.25f; self->waterlevel = MGT_STATE_DROP; } else self->speed *= 1.25f; self->s.angles2[ PITCH ] = MIN( MGTURRET_VERTICALCAP, angle + self->speed ); return qtrue; } else self->waterlevel = MGT_STATE_INACTIVE; } else if( state == MGT_STATE_ACTIVE ) { if( !self->enemy && angle > 0.0f ) { self->waterlevel = MGT_STATE_RISE; self->s.angles2[ PITCH ] = MAX( 0.0f, angle - MGTURRET_ANGULARSPEED * 0.5f ); } else self->waterlevel = MGT_STATE_ACTIVE; } return qfalse; } /* ================ HMGTurret_Think Think function for MG turret ================ */ void HMGTurret_Think( gentity_t *self ) { self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; // Turn off client side muzzle flashes self->s.eFlags &= ~EF_FIRING; if( !self->spawned || self->health <= 0 ) return; G_CheckPower( self, MGTURRET_I_IDLE ); G_IdlePowerState( self ); // If not powered or spawned don't do anything if( !self->powered ) { // if power loss drop turret if( self->spawned && HMGTurret_State( self, MGT_STATE_INACTIVE ) ); return; return; } if( !self->spawned ) return; // If the current target is not valid find a new enemy if( !HMGTurret_CheckTarget( self, self->enemy, qtrue ) ) { self->active = qfalse; self->turretSpinupTime = -1; HMGTurret_FindEnemy( self ); } // if newly powered raise turret HMGTurret_State( self, MGT_STATE_ACTIVE ); if( !self->enemy ) return; // Track until we can hit the target if( !HMGTurret_TrackEnemy( self ) ) { self->active = qfalse; self->turretSpinupTime = -1; return; } // Update spin state if( !self->active && self->timestamp < level.time ) { self->active = qtrue; self->turretSpinupTime = level.time + MGTURRET_SPINUP_TIME; G_AddEvent( self, EV_MGTURRET_SPINUP, 0 ); } // Not firing or haven't spun up yet if( !self->active || self->turretSpinupTime > level.time ) return; if( !G_Surge( self, MGTURRET_I_ACTIVE ) ) return; // Fire repeat delay if( self->timestamp > level.time ) return; FireWeapon( self ); self->s.eFlags |= EF_FIRING; self->timestamp = level.time + BG_Buildable( self->s.modelindex, NULL )->turretFireSpeed; G_AddEvent( self, EV_FIRE_WEAPON, 0 ); G_SetBuildableAnim( self, BANIM_ATTACK1, qfalse ); } //================================================================================== /* ================ HTeslaGen_Think Think function for Tesla Generator ================ */ void HTeslaGen_Think( gentity_t *self ) { vec3_t origin, range, mins, maxs; int entityList[ MAX_GENTITIES ], i, num; self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; if( !self->spawned || self->health <= 0 ) return; G_CheckPower( self, TESLAGEN_I_IDLE ); G_IdlePowerState( self ); //if not powered don't do anything and check again for power next think if( !self->powered ) { self->s.eFlags &= ~EF_FIRING; return; } if( !self->spawned ) return; // Communicates firing state to client self->s.eFlags &= ~EF_FIRING; // Move the muzzle from the entity origin up a bit to fire over turrets VectorMA( self->s.origin, self->r.maxs[ 2 ], self->s.origin2, origin ); VectorSet( range, TESLAGEN_RANGE, TESLAGEN_RANGE, TESLAGEN_RANGE ); VectorAdd( origin, range, maxs ); VectorSubtract( origin, range, mins ); // Attack nearby Aliens num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); for( i = 0; i < num; i++ ) { self->enemy = &g_entities[ entityList[ i ] ]; if( self->enemy->flags & FL_NOTARGET ) continue; if( self->enemy->client && self->enemy->health > 0 && self->enemy->client->ps.stats[ STAT_TEAM ] == TEAM_ALIENS && Distance( origin, self->enemy->s.pos.trBase ) <= TESLAGEN_RANGE ) { if( !G_Surge( self, TESLAGEN_I_ACTIVE ) ) break; FireWeapon( self ); } } self->enemy = NULL; if( self->s.eFlags & EF_FIRING ) { G_AddEvent( self, EV_FIRE_WEAPON, 0 ); //doesn't really need an anim //G_SetBuildableAnim( self, BANIM_ATTACK1, qfalse ); self->timestamp = level.time + TESLAGEN_REPEAT; } } //================================================================================== void HDCC_Think( gentity_t *self ) { int i, count, list[ MAX_GENTITIES ]; gentity_t *ent; vec3_t mins, maxs; self->nextthink = level.time + DC_HEALRATE; if( !self->spawned || self->health <= 0 ) return; G_CheckPower( self, DC_I_IDLE ); G_IdlePowerState( self ); if( !self->powered ) return; for( i = 0; i < 3; i++ ) mins[ i ] = self->s.origin[ i ] - DC_RANGE, maxs[ i ] = self->s.origin[ i ] + DC_RANGE; count = trap_EntitiesInBox( mins, maxs, list, MAX_GENTITIES ); for( i = 0; i < count; i++ ) { ent = g_entities + list[ i ]; if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->buildableTeam != TEAM_HUMANS ) continue; if( ent->health >= BG_Buildable( ent->s.modelindex, ent->cuboidSize )->health ) continue; if( ent->lastDamageTime + HUMAN_REGEN_DAMAGE_TIME >= level.time ) continue; if( BG_Buildable( ent->s.modelindex, NULL )->cuboid && !BG_CuboidAttributes( ent->s.modelindex )->repairable ) continue; if( !G_Surge( self, DC_I_ACTIVE ) ) return; ent->health++; } } //================================================================================== void HCapbank_Think( gentity_t *self) { //nothing to do here } //================================================================================== void HRTG_Think( gentity_t *self) { self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; if( !self->spawned || self->health <= 0 ) return; if( G_TimeTilSuddenDeath( ) <= 0 ) { self->storedBP = 0; return; } self->storedBP += RTG_YIELD * g_massYieldModifier.value; if( self->storedBP > RTG_STORAGE ) self->storedBP = RTG_STORAGE; } //================================================================================== void HRefinery_Think( gentity_t *self) { self->nextthink = level.time + BG_Buildable( self->s.modelindex, NULL )->nextthink; if( !self->spawned || self->health <= 0 ) return; G_CheckPower( self, REFINERY_I_IDLE ); G_IdlePowerState( self ); if( G_TimeTilSuddenDeath( ) <= 0 ) { self->storedBP = 0; return; } //nothing to do if( self->storedBP >= REFINERY_STORAGE - 0.001f ) return; if( !G_Surge( self, REFINERY_I_ACTIVE ) ) return; self->storedBP += REFINERY_YIELD * g_massYieldModifier.value; if( self->storedBP > REFINERY_STORAGE ) self->storedBP = REFINERY_STORAGE; } //================================================================================== // CUBOID FUNCTIONS // generic functions for all types of cuboids //================================================================================== void Cuboid_Think(gentity_t *self) { } //Cuboids need a new die function because of the cuboid explosion effects. void Cuboid_Die( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int damage, int mod ) { vec3_t dir; qboolean event = qfalse; const cuboidAttributes_t *cuboid; cuboid = BG_CuboidAttributes( self->s.modelindex ); G_SetBuildableAnim( self, BANIM_DESTROY1, qtrue ); // just for sound self->die = nullDieFunction; self->killedBy = attacker - g_entities; self->s.eFlags &= ~EF_FIRING; G_LogDestruction( self, attacker, mod ); dir[ 0 ] = dir[ 1 ] = 0; dir[ 2 ] = 1; self->timestamp = level.time; G_QueueBuildPoints( self ); if( mod != MOD_DECONSTRUCT && self->spawned ) { G_RewardAttackers( self ); G_RadiusDamage( self->s.pos.trBase, g_entities + self->killedBy, self->splashDamage, self->splashRadius, self, self->splashMethodOfDeath ); //NOTE: all cuboid info is already packed self->s.eType = ET_EVENTS + EV_CUBOID_EXPLOSION; self->freeAfterEvent = qtrue; G_AddEvent( self, EV_HUMAN_BUILDABLE_EXPLOSION, DirToByte( dir ) ); event = qtrue; self->r.contents = 0; trap_LinkEntity( self ); } else { self->s.eType = 0; G_FreeEntity( self ); } } //================================================================================== /* ============ G_QueueValue ============ */ static int G_QueueValue( gentity_t *self ) { int i; int damageTotal = 0; int queuePoints; double queueFraction = 0; for( i = 0; i < level.maxclients; i++ ) { gentity_t *player = g_entities + i; damageTotal += self->credits[ i ]; if( self->buildableTeam != player->client->pers.teamSelection ) queueFraction += (double) self->credits[ i ]; } if( damageTotal > 0 ) queueFraction = queueFraction / (double) damageTotal; else // all damage was done by nonclients, so queue everything queueFraction = 1.0; queuePoints = (int) ( queueFraction * (double) BG_Buildable( self->s.modelindex, self->cuboidSize )->buildPoints ); return queuePoints; } /* ============ G_QueueBuildPoints ============ */ void G_QueueBuildPoints( gentity_t *self ) { gentity_t *powerEntity; int queuePoints; queuePoints = G_QueueValue( self ); if( !queuePoints ) return; switch( self->buildableTeam ) { default: case TEAM_NONE: return; case TEAM_ALIENS: if( !level.alienBuildPointQueue ) level.alienNextQueueTime = level.time + g_alienBuildQueueTime.integer; level.alienBuildPointQueue += queuePoints; break; } } /* ============ G_NextQueueTime ============ */ int G_NextQueueTime( int queuedBP, int totalBP, int queueBaseRate ) { float fractionQueued; if( totalBP == 0 ) return 0; fractionQueued = queuedBP / (float)totalBP; return ( 1.0f - fractionQueued ) * queueBaseRate; } /* ============ G_BuildableTouchTriggers Find all trigger entities that a buildable touches. ============ */ void G_BuildableTouchTriggers( gentity_t *ent ) { int i, num; int touch[ MAX_GENTITIES ]; gentity_t *hit; trace_t trace; vec3_t mins, maxs; vec3_t bmins, bmaxs; static vec3_t range = { 10, 10, 10 }; // dead buildables don't activate triggers! if( ent->health <= 0 ) return; BG_BuildableBoundingBox( ent->s.modelindex, bmins, bmaxs ); VectorAdd( ent->s.origin, bmins, mins ); VectorAdd( ent->s.origin, bmaxs, maxs ); VectorSubtract( mins, range, mins ); VectorAdd( maxs, range, maxs ); num = trap_EntitiesInBox( mins, maxs, touch, MAX_GENTITIES ); VectorAdd( ent->s.origin, bmins, mins ); VectorAdd( ent->s.origin, bmaxs, maxs ); for( i = 0; i < num; i++ ) { hit = &g_entities[ touch[ i ] ]; if( !hit->touch ) continue; if( !( hit->r.contents & CONTENTS_TRIGGER ) ) continue; //ignore buildables not yet spawned if( !ent->spawned ) continue; if( !trap_EntityContact( mins, maxs, hit ) ) continue; memset( &trace, 0, sizeof( trace ) ); if( hit->touch ) hit->touch( hit, ent, &trace ); } } /* =============== G_BuildableThink General think function for buildables =============== */ void G_BuildableThink( gentity_t *ent, int msec ) { int maxHealth = BG_Buildable( ent->s.modelindex, ent->cuboidSize )->health; int regenRate = BG_Buildable( ent->s.modelindex, ent->cuboidSize )->regenRate; int buildTime = BG_Buildable( ent->s.modelindex, ent->cuboidSize )->buildTime; int buildRate; //toggle spawned flag for buildables if( !ent->spawned && ( ent->healthLeft<=0 || ent->health==maxHealth ) && !level.pausedTime ) { ent->spawned = qtrue; if( ent->s.modelindex == BA_A_OVERMIND ) { G_TeamCommand( TEAM_ALIENS, "cp \"The Overmind has awakened!\"" ); } G_SetupPowerEntity( ent ); } // Timer actions ent->time1000 += msec; if( ent->time1000 >= 1000 ) { ent->time1000 -= 1000; if( !ent->spawned ) { buildRate = (int)( ceil( (float)maxHealth / (float)buildTime * 1.0e3f ) ); if( ent->buildableTeam == TEAM_HUMANS && ent->s.modelindex != BA_H_RTG ) { buildRate *= ent->current / PREBUILD_CURRENT; if( buildRate < 0 ) buildRate = 0; ent->powered = ( buildRate > 0 ); } ent->health = MIN( ent->health + buildRate, maxHealth ); ent->healthLeft = MAX( ent->healthLeft - buildRate, 0 ); } else if( ent->health > 0 && ent->health < maxHealth ) { if( ent->buildableTeam == TEAM_ALIENS && regenRate && ( ent->lastDamageTime + ALIEN_REGEN_DAMAGE_TIME ) < level.time ) { ent->health += regenRate; } } if( ent->health >= maxHealth ) { int i; ent->health = maxHealth; for( i = 0; i < MAX_CLIENTS; i++ ) ent->credits[ i ] = 0; } } if( ent->clientSpawnTime > 0 ) ent->clientSpawnTime -= msec; if( ent->clientSpawnTime < 0 ) ent->clientSpawnTime = 0; // Set health ent->s.generic1 = MIN( MAX( ent->health, 0 ), 999 ); // Set health for cuboids (BG_CuboidPackHealthSafe does nothing if not a cuboid) BG_CuboidPackHealthSafe( ent->s.modelindex, &ent->s, ent->health ); // Set flags ent->s.eFlags &= ~( EF_B_POWERED | EF_B_SPAWNED | EF_B_SURGE ); if( ent->buildableTeam == TEAM_HUMANS ) { if( ent->s.modelindex == BA_H_REPEATER ) { if( ent->powered ) ent->s.eFlags |= EF_B_POWERED; if( ent->active ) ent->s.eFlags |= EF_B_SURGE; } else if( ent->isPowerSource ) { ent->s.eFlags |= EF_B_POWERED; if( ent->active ) ent->s.eFlags |= EF_B_SURGE; } else { if( ent->powered ) { if( ent->surge ) { ent->s.eFlags |= EF_B_SURGE; if( ent->surgePowered ) ent->s.eFlags |= EF_B_POWERED; } else ent->s.eFlags |= EF_B_POWERED; } } } else { if( ent->powered ) ent->s.eFlags |= EF_B_POWERED; } if( ent->spawned ) ent->s.eFlags |= EF_B_SPAWNED; // Check if this buildable is touching any triggers G_BuildableTouchTriggers( ent ); // Fall back on normal physics routines G_Physics( ent, msec ); } /* =============== G_BuildableRange Check whether a point is within some range of a type of buildable =============== */ qboolean G_BuildableRange( vec3_t origin, float r, buildable_t buildable ) { int entityList[ MAX_GENTITIES ]; vec3_t range; vec3_t mins, maxs; int i, num; gentity_t *ent; VectorSet( range, r, r, r ); VectorAdd( origin, range, maxs ); VectorSubtract( origin, range, mins ); num = trap_EntitiesInBox( mins, maxs, entityList, MAX_GENTITIES ); for( i = 0; i < num; i++ ) { ent = &g_entities[ entityList[ i ] ]; if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->buildableTeam == TEAM_HUMANS && !ent->powered ) continue; if( ent->s.modelindex == buildable && ent->spawned ) return qtrue; } return qfalse; } /* ================ G_FindBuildable Finds a buildable of the specified type ================ */ static gentity_t *G_FindBuildable( buildable_t buildable ) { int i; gentity_t *ent; for( i = MAX_CLIENTS, ent = g_entities + i; i < level.num_entities; i++, ent++ ) { if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->s.modelindex == buildable && !( ent->s.eFlags & EF_DEAD ) ) return ent; } return NULL; } /* =============== G_BuildablesIntersect Test if two buildables intersect each other =============== */ static qboolean G_BuildablesIntersect( buildable_t a, vec3_t originA, vec3_t cuboidA, buildable_t b, vec3_t originB, vec3_t cuboidB ) { vec3_t minsA, maxsA; vec3_t minsB, maxsB; if(BG_Buildable(a,NULL)->cuboid) BG_CuboidBBox(cuboidA,minsA,maxsA); else BG_BuildableBoundingBox( a, minsA, maxsA ); VectorAdd( minsA, originA, minsA ); VectorAdd( maxsA, originA, maxsA ); if(BG_Buildable(b,NULL)->cuboid) BG_CuboidBBox(cuboidB,minsB,maxsB); else BG_BuildableBoundingBox( b, minsB, maxsB ); VectorAdd( minsB, originB, minsB ); VectorAdd( maxsB, originB, maxsB ); return BoundsIntersect( minsA, maxsA, minsB, maxsB ); } /* =============== G_SufficientBPAvailable Determine if enough build points can be released for the buildable and list the buildables that must be destroyed if this is the case =============== */ static itemBuildError_t G_SufficientBPAvailable( gclient_t *builder, buildable_t buildable, vec3_t origin, vec3_t cuboidSize ) { int required; int available; int error; required = BG_Buildable( buildable, cuboidSize )->buildPoints; switch( BG_Buildable( buildable, NULL )->team ) { case TEAM_ALIENS: error = IBE_NOALIENBP; available = G_GetBuildPoints( origin, TEAM_ALIENS ); break; case TEAM_HUMANS: error = IBE_NOHUMANBP; if( !builder ) available = required; //always enough else //first RTG is free if( buildable == BA_H_RTG && !G_IsRTGBuilt() ) available = INFINITE; else available = builder->ps.persistant[ PERS_BUILDPOINTS ]; break; } if( required > available ) return error; return IBE_NONE; #if 0 // Check for buildable<->buildable collisions // FIXME: is this check even needed? for( i = MAX_CLIENTS, ent = g_entities + i; i < level.num_entities; i++, ent++ ) { if( ent->s.eType != ET_BUILDABLE ) continue; if( G_BuildablesIntersect( buildable, origin, cuboidSize, ent->s.modelindex, ent->s.origin, ent->cuboidSize ) ) return IBE_NOROOM; } #endif } /* ================ G_SetBuildableLinkState Links or unlinks all the buildable entities ================ */ static void G_SetBuildableLinkState( qboolean link ) { int i; gentity_t *ent; for ( i = 1, ent = g_entities + i; i < level.num_entities; i++, ent++ ) { if( ent->s.eType != ET_BUILDABLE ) continue; if( link ) trap_LinkEntity( ent ); else trap_UnlinkEntity( ent ); } } /* ================ G_CanBuild Checks to see if a buildable can be built ================ */ itemBuildError_t G_CanBuild( gentity_t *ent, buildable_t buildable, int distance, vec3_t origin, vec3_t normal, vec3_t cuboidSize ) { vec3_t angles; vec3_t entity_origin; vec3_t mins, maxs; trace_t tr1, tr2, tr3; itemBuildError_t reason = IBE_NONE, tempReason; gentity_t *tempent; float minNormal; qboolean invert; int contents; playerState_t *ps = &ent->client->ps; if( BG_Buildable( buildable, NULL )->cuboid ) { if( !G_CheckCuboidSize( cuboidSize, buildable ) ) return IBE_INVALIDSIZE; BG_CuboidBBox( cuboidSize, mins, maxs ); } else BG_BuildableBoundingBox( buildable, mins, maxs ); if( !BG_PositionBuildableRelativeToPlayer( ps, BG_Buildable( buildable, NULL )->cuboid, mins, maxs, trap_Trace, entity_origin, angles, &tr1 ) ) return IBE_NOSURF; trap_Trace( &tr2, entity_origin, mins, maxs, entity_origin, -1, MASK_PLAYERSOLID ); trap_Trace( &tr3, ps->origin, NULL, NULL, entity_origin, ent->s.number, MASK_PLAYERSOLID ); VectorCopy( entity_origin, origin ); VectorCopy( tr1.plane.normal, normal ); minNormal = BG_Buildable( buildable, NULL )->minNormal; invert = BG_Buildable( buildable, NULL )->invertNormal; //can we build at this angle? if(!BG_Buildable(buildable,NULL)->cuboid) if( !( normal[ 2 ] >= minNormal || ( invert && normal[ 2 ] <= -minNormal ) ) ) reason = IBE_NORMAL; //the only buildable one can build on is a cuboid /* if( tr1.entityNum != ENTITYNUM_WORLD ) if( g_entities[ tr1.entityNum ].s.eType == ET_BUILDABLE && !BG_Buildable( g_entities[ tr1.entityNum ].s.modelindex, NULL )->cuboid ) reason = IBE_NORMAL; */ contents = trap_PointContents( entity_origin, -1 ); if( ( tempReason = G_SufficientBPAvailable( ent->client, buildable, origin, cuboidSize ) ) != IBE_NONE ) reason = tempReason; if( ent->client->ps.stats[ STAT_TEAM ] == TEAM_ALIENS ) { //alien criteria // Check there is an Overmind if( buildable != BA_A_OVERMIND ) { if( !G_Overmind( ) ) reason = IBE_NOOVERMIND; } //check there is creep near by for building on if( BG_Buildable( buildable, NULL )->creepTest ) { if( !G_IsCreepHere( entity_origin ) ) reason = IBE_NOCREEP; } // Check permission to build here if( tr1.surfaceFlags & SURF_NOALIENBUILD || contents & CONTENTS_NOALIENBUILD ) reason = IBE_PERMISSION; } else if( ent->client->ps.stats[ STAT_TEAM ] == TEAM_HUMANS ) { //human criteria if( !G_PowerForPoint( origin ) && buildable != BA_H_RTG ) reason = IBE_NOPOWERHERE; //this buildable requires a DCC if( BG_Buildable( buildable, NULL )->dccTest && !G_IsDCCBuilt( ) ) reason = IBE_NODCC; // Check permission to build here if( tr1.surfaceFlags & SURF_NOHUMANBUILD || contents & CONTENTS_NOHUMANBUILD ) reason = IBE_PERMISSION; } // Check permission to build here if( tr1.surfaceFlags & SURF_NOBUILD || contents & CONTENTS_NOBUILD ) reason = IBE_PERMISSION; // Can we only have one of these? if( BG_Buildable( buildable, NULL )->uniqueTest ) { tempent = G_FindBuildable( buildable ); if( tempent ) { switch( buildable ) { case BA_A_OVERMIND: reason = IBE_ONEOVERMIND; break; case BA_H_REACTOR: reason = IBE_ONEREACTOR; break; default: Com_Error( ERR_FATAL, "No reason for denying build of %d\n", buildable ); break; } } } //check there is enough room to spawn from (presuming this is a spawn) if( reason == IBE_NONE ) if( G_CheckSpawnPoint( ENTITYNUM_NONE, origin, normal, buildable, NULL ) != NULL ) reason = IBE_NORMAL; //this item does not fit here if( reason == IBE_NONE && ( tr2.startsolid || !COMPARE_FLOAT_EPSILON(tr3.fraction,1.0f) ) ) reason = IBE_NOROOM; if( g_buildableDensityLimit.integer > 0 ) { int i, count, numents, ents[ MAX_GENTITIES ]; vec3_t rmins, rmaxs; gentity_t *other; for( i = 0; i < 3; i++ ) rmins[ i ] = origin[ i ] - g_buildableDensityLimitRange.value, rmaxs[ i ] = origin[ i ] + g_buildableDensityLimitRange.value; numents = trap_EntitiesInBox( rmins, rmaxs, ents, MAX_GENTITIES ); for( count = 0, i = 0; i < numents ; i++ ) { other = &g_entities[ ents[ i ] ]; if( other->s.eType != ET_BUILDABLE ) continue; if( other->buildableTeam != ent->client->ps.stats[ STAT_TEAM ] ) continue; if( Distance( origin, other->s.origin ) > g_buildableDensityLimitRange.value ) continue; if( !trap_InPVSIgnorePortals( origin, other->s.origin ) ) continue; if( ++count > g_buildableDensityLimit.integer ) { reason = IBE_TOODENSE; break; } } } return reason; } /* ================ G_CuboidName For standard buildables the function returns humanName. In case of cuboids, a "dynamic" one is generated. ================ */ const char *G_CuboidName(buildable_t buildable, const vec3_t cuboidSize, qboolean verbose) { static char buffer[100]; const buildableAttributes_t *battr; if((battr=BG_Buildable(buildable,cuboidSize))->cuboid) { if(verbose) Com_sprintf(buffer,sizeof(buffer),"%s %fx%fx%f %ibp",battr->humanName,cuboidSize[0],cuboidSize[1],cuboidSize[2],battr->buildPoints); else Com_sprintf(buffer,sizeof(buffer),"%s %s (%i bp)",BG_CuboidAttributes(buildable)->icon,battr->humanName,battr->buildPoints); return buffer; } else return battr->humanName; } /* ================ G_Build Spawns a buildable ================ */ static gentity_t *G_Build( gentity_t *builder, buildable_t buildable, const vec3_t origin, const vec3_t normal, const vec3_t angles, const vec3_t cuboidSize ) { gentity_t *built; vec3_t localOrigin; char buildnums[ MAX_STRING_CHARS ]; buildLog_t *log; qboolean cuboid; cuboid = BG_Buildable(buildable,NULL)->cuboid; VectorCopy( origin, localOrigin ); if( builder->client ) log = G_BuildLogNew( builder, BF_CONSTRUCT ); else log = NULL; // Spawn the buildable built = G_Spawn(); built->s.eType = ET_BUILDABLE; built->killedBy = ENTITYNUM_NONE; built->classname = BG_Buildable( buildable, NULL )->entityName; built->s.modelindex = buildable; built->buildableTeam = built->s.modelindex2 = BG_Buildable( buildable, NULL )->team; // when building the initial layout, spawn the entity slightly off its // target surface so that it can be "dropped" onto it if( !builder->client ) VectorMA( localOrigin, 1.0f, normal, localOrigin ); if( cuboid ) { BG_CuboidBBox( cuboidSize, built->r.mins, built->r.maxs ); VectorCopy( cuboidSize, built->cuboidSize ); } else BG_BuildableBoundingBox( buildable, built->r.mins, built->r.maxs ); built->health = 1; built->healthLeft = BG_Buildable( buildable, cuboidSize )->health-1; built->s.generic1 = MIN(MAX(built->health,0),999); built->splashDamage = BG_Buildable( buildable, cuboidSize )->splashDamage; built->splashRadius = BG_Buildable( buildable, cuboidSize )->splashRadius; built->splashMethodOfDeath = BG_Buildable( buildable, cuboidSize )->meansOfDeath; built->nextthink = BG_Buildable( buildable, NULL )->nextthink; built->takedamage = qtrue; built->spawned = qfalse; built->buildTime = built->s.time = level.time; if( builder->client && g_instantBuild.integer ) { built->health = BG_Buildable( buildable, cuboidSize )->health; built->buildTime = built->s.time = level.time -BG_Buildable( buildable, cuboidSize )->buildTime; } //things that vary for each buildable that aren't in the dbase switch( buildable ) { case BA_A_SPAWN: built->die = AGeneric_Die; built->think = ASpawn_Think; built->pain = AGeneric_Pain; break; case BA_A_BARRICADE: built->die = ABarricade_Die; built->think = ABarricade_Think; built->pain = ABarricade_Pain; built->touch = ABarricade_Touch; built->shrunkTime = 0; ABarricade_Shrink( built, qtrue ); break; case BA_A_BOOSTER: built->die = AGeneric_Die; built->think = AGeneric_Think; built->pain = AGeneric_Pain; built->touch = ABooster_Touch; break; case BA_A_ACIDTUBE: built->die = AGeneric_Die; built->think = AAcidTube_Think; built->pain = AGeneric_Pain; break; case BA_A_HIVE: built->die = AGeneric_Die; built->think = AHive_Think; built->pain = AHive_Pain; break; case BA_A_TRAPPER: built->die = AGeneric_Die; built->think = ATrapper_Think; built->pain = AGeneric_Pain; break; case BA_A_OVERMIND: built->die = AGeneric_Die; built->think = AOvermind_Think; built->pain = AGeneric_Pain; break; case BA_H_SPAWN: built->die = HSpawn_Die; built->think = HSpawn_Think; break; case BA_H_MGTURRET: built->die = HSpawn_Die; built->think = HMGTurret_Think; break; case BA_H_TESLAGEN: built->die = HSpawn_Die; built->think = HTeslaGen_Think; break; case BA_H_ARMOURY: built->think = HArmoury_Think; built->die = HSpawn_Die; built->use = HArmoury_Activate; break; case BA_H_DCC: built->think = HDCC_Think; built->die = HSpawn_Die; break; case BA_H_MEDISTAT: built->think = HMedistat_Think; built->die = HMedistat_Die; break; case BA_H_REACTOR: built->think = HReactor_Think; built->die = HSpawn_Die; built->use = HSwitchable_Use; built->powered = built->active = qtrue; break; case BA_H_REPEATER: built->think = HRepeater_Think; built->die = HRepeater_Die; built->use = HSwitchable_Use; built->count = -1; break; case BA_H_CAPBANK: built->think = HCapbank_Think; built->die = HSpawn_Die; built->use = HSwitchable_Use; break; case BA_H_RTG: built->think = HRTG_Think; built->die = HSpawn_Die; built->use = HSwitchable_Use; break; case BA_H_REFINERY: built->think = HRefinery_Think; built->die = HSpawn_Die; //built->use = HSwitchable_Use; break; default: //erk break; } if( buildable >= CUBOID_FIRST && buildable <= CUBOID_LAST ) { built->think = Cuboid_Think; built->die = Cuboid_Die; } built->clipmask = MASK_PLAYERSOLID; built->r.contents = CONTENTS_BODY; built->s.number = built - g_entities; built->enemy = NULL; built->s.weapon = BG_Buildable( buildable, NULL )->turretProjType; if( builder->client ) built->builtBy = builder->client->ps.clientNum; else built->builtBy = -1; G_SetOrigin( built, localOrigin ); VectorScale( normal, -512.0f, built->s.pos.trDelta ); if( BG_Buildable( buildable, NULL )->cuboid ) VectorCopy( cuboidSize,built->s.angles ); else { VectorCopy( angles, built->s.angles ); built->s.angles[ PITCH ] = 0.0f; } built->s.pos.trType = BG_Buildable( buildable, NULL )->traj; built->s.pos.trTime = level.time; built->physicsBounce = BG_Buildable( buildable, NULL )->bounce; built->s.groundEntityNum = -1; //turret angles VectorCopy( builder->s.angles2, built->s.angles2 ); built->s.angles2[ YAW ] = angles[ YAW ]; built->s.angles2[ PITCH ] = MGTURRET_VERTICALCAP; built->powered = qtrue; built->s.eFlags |= EF_B_POWERED; built->s.eFlags &= ~EF_B_SPAWNED; VectorCopy( normal, built->s.origin2 ); G_AddEvent( built, EV_BUILD_CONSTRUCT, 0 ); G_SetIdleBuildableAnim( built, BG_Buildable( buildable, NULL )->idleAnim ); if( built->builtBy >= 0 ) G_SetBuildableAnim( built, BANIM_CONSTRUCT1, qtrue ); if( BG_Buildable( buildable, NULL )->team == TEAM_HUMANS ) { //special case for the RTG unit that can be built w/o power if( buildable == BA_H_RTG ) built->requiresPower = qfalse; else built->requiresPower = qtrue; built->isPowerSource = qfalse; built->resistance = PREBUILD_RESISTANCE; if( BG_Buildable( buildable, NULL )->isPowerSource || buildable == BA_H_REPEATER ) built->active = qtrue; //spawn enabled } // subtract build points if( buildable != BA_H_RTG || G_IsRTGBuilt( ) ) //first RTG is free if( builder && builder->client ) builder->client->ps.persistant[ PERS_BUILDPOINTS ] -= BG_Buildable( buildable, cuboidSize )->buildPoints; BG_CuboidPackHealthSafe( built->s.modelindex, &built->s, built->health ); trap_LinkEntity( built ); if( builder && builder->client ) { G_TeamCommand( builder->client->ps.stats[ STAT_TEAM ], va( "print \"%s ^2built^7 by %s\n\"", G_CuboidName( built->s.modelindex, cuboidSize, qfalse ), builder->client->pers.netname ) ); G_LogPrintf( "Construct: %d %d %s%s: %s" S_COLOR_WHITE " is building %s\n", builder - g_entities, built - g_entities, BG_Buildable( built->s.modelindex, NULL )->name, buildnums, builder->client->pers.netname, G_CuboidName( built->s.modelindex, built->cuboidSize, qtrue ) ); } if( log ) G_BuildLogSet( log, built ); return built; } /* ================= G_BuildIfValid ================= */ qboolean G_BuildIfValid( gentity_t *ent, buildable_t buildable, vec3_t cuboidSize ) { float dist; vec3_t origin, normal; dist = BG_Class( ent->client->ps.stats[ STAT_CLASS ] )->buildDist; switch( G_CanBuild( ent, buildable, dist, origin, normal, cuboidSize ) ) { case IBE_NONE: G_Build( ent, buildable, origin, normal, ent->s.apos.trBase, cuboidSize ); return qtrue; case IBE_NOALIENBP: G_TriggerMenu( ent->client->ps.clientNum, MN_A_NOBP ); return qfalse; case IBE_NOOVERMIND: G_TriggerMenu( ent->client->ps.clientNum, MN_A_NOOVMND ); return qfalse; case IBE_NOCREEP: G_TriggerMenu( ent->client->ps.clientNum, MN_A_NOCREEP ); return qfalse; case IBE_ONEOVERMIND: G_TriggerMenu( ent->client->ps.clientNum, MN_A_ONEOVERMIND ); return qfalse; case IBE_NORMAL: G_TriggerMenu( ent->client->ps.clientNum, MN_B_NORMAL ); return qfalse; case IBE_PERMISSION: G_TriggerMenu( ent->client->ps.clientNum, MN_B_NORMAL ); return qfalse; case IBE_ONEREACTOR: G_TriggerMenu( ent->client->ps.clientNum, MN_H_ONEREACTOR ); return qfalse; case IBE_NOPOWERHERE: G_TriggerMenu( ent->client->ps.clientNum, MN_H_NOPOWERHERE ); return qfalse; case IBE_NOROOM: G_TriggerMenu( ent->client->ps.clientNum, MN_B_NOROOM ); return qfalse; case IBE_NOHUMANBP: G_TriggerMenu( ent->client->ps.clientNum, MN_H_NOBP); return qfalse; case IBE_NODCC: G_TriggerMenu( ent->client->ps.clientNum, MN_H_NODCC ); return qfalse; case IBE_RPTPOWERHERE: G_TriggerMenu( ent->client->ps.clientNum, MN_H_RPTPOWERHERE ); return qfalse; case IBE_LASTSPAWN: G_TriggerMenu( ent->client->ps.clientNum, MN_B_LASTSPAWN ); return qfalse; case IBE_NOSURF: G_TriggerMenu( ent->client->ps.clientNum, MN_B_NOSURF ); return qfalse; case IBE_TOODENSE: G_TriggerMenu( ent->client->ps.clientNum, MN_B_TOODENSE ); return qfalse; case IBE_INVALIDSIZE: G_TriggerMenu( ent->client->ps.clientNum, MN_B_INVALIDSIZE ); return qfalse; default: break; } return qfalse; } /* ================ G_FinishSpawningBuildable Traces down to find where an item should rest, instead of letting them free fall from their spawn points ================ */ static gentity_t *G_FinishSpawningBuildable( gentity_t *ent, qboolean force ) { trace_t tr; vec3_t normal, dest; gentity_t *built; buildable_t buildable = ent->s.modelindex; if( ent->s.origin2[ 0 ] || ent->s.origin2[ 1 ] || ent->s.origin2[ 2 ] ) VectorCopy( ent->s.origin2, normal ); else if( BG_Buildable( buildable, NULL )->traj == TR_BUOYANCY ) VectorSet( normal, 0.0f, 0.0f, -1.0f ); else VectorSet( normal, 0.0f, 0.0f, 1.0f ); built = G_Build( ent, buildable, ent->s.pos.trBase, normal, ent->s.angles, built->cuboidSize ); built->takedamage = qtrue; built->spawned = qtrue; //map entities are already spawned built->health = BG_Buildable( buildable, built->cuboidSize )->health; built->s.eFlags |= EF_B_SPAWNED; G_SetupPowerEntity( built ); // drop towards normal surface VectorScale( built->s.origin2, -4096.0f, dest ); VectorAdd( dest, built->s.origin, dest ); trap_Trace( &tr, built->s.origin, built->r.mins, built->r.maxs, dest, built->s.number, built->clipmask ); if( tr.startsolid && !force ) { G_Printf( S_COLOR_YELLOW "G_FinishSpawningBuildable: %s startsolid at %s\n", built->classname, vtos( built->s.origin ) ); G_FreeEntity( built ); return NULL; } //point items in the correct direction VectorCopy( tr.plane.normal, built->s.origin2 ); // allow to ride movers built->s.groundEntityNum = tr.entityNum; G_SetOrigin( built, tr.endpos ); trap_LinkEntity( built ); return built; } /* ============ G_SpawnBuildableThink Complete spawning a buildable using it's placeholder ============ */ static void G_SpawnBuildableThink( gentity_t *ent ) { G_FinishSpawningBuildable( ent, qfalse ); G_FreeEntity( ent ); } /* ============ G_SpawnBuildable 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_SpawnBuildable( gentity_t *ent, buildable_t buildable ) { ent->s.modelindex = buildable; // 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 = G_SpawnBuildableThink; } /* ============ G_LayoutSave ============ */ void G_LayoutSave( char *name ) { char map[ MAX_QPATH ]; char fileName[ MAX_OSPATH ]; fileHandle_t f; int len; int i; gentity_t *ent; char *s; trap_Cvar_VariableStringBuffer( "mapname", map, sizeof( map ) ); if( !map[ 0 ] ) { G_Printf( "LayoutSave( ): no map is loaded\n" ); return; } Com_sprintf( fileName, sizeof( fileName ), "layouts/%s/%s.dat", map, name ); len = trap_FS_FOpenFile( fileName, &f, FS_WRITE ); if( len < 0 ) { G_Printf( "layoutsave: could not open %s\n", fileName ); return; } G_Printf( "layoutsave: saving layout to %s\n", fileName ); for( i = MAX_CLIENTS; i < level.num_entities; i++ ) { ent = &level.gentities[ i ]; if( ent->s.eType != ET_BUILDABLE ) continue; s = va( "%s %f %f %f %f %f %f %f %f %f %f %f %f\n", BG_Buildable( ent->s.modelindex, NULL )->name, ent->s.pos.trBase[ 0 ], ent->s.pos.trBase[ 1 ], ent->s.pos.trBase[ 2 ], ent->s.angles[ 0 ], ent->s.angles[ 1 ], ent->s.angles[ 2 ], ent->s.origin2[ 0 ], ent->s.origin2[ 1 ], ent->s.origin2[ 2 ], ent->s.angles2[ 0 ], ent->s.angles2[ 1 ], ent->s.angles2[ 2 ] ); trap_FS_Write( s, strlen( s ), f ); } trap_FS_FCloseFile( f ); } /* ============ G_LayoutList ============ */ int G_LayoutList( const char *map, char *list, int len ) { // up to 128 single character layout names could fit in layouts char fileList[ ( MAX_CVAR_VALUE_STRING / 2 ) * 5 ] = {""}; char layouts[ MAX_CVAR_VALUE_STRING ] = {""}; int numFiles, i, fileLen = 0, listLen; int count = 0; char *filePtr; Q_strcat( layouts, sizeof( layouts ), "*BUILTIN* " ); numFiles = trap_FS_GetFileList( va( "layouts/%s", map ), ".dat", fileList, sizeof( fileList ) ); filePtr = fileList; for( i = 0; i < numFiles; i++, filePtr += fileLen + 1 ) { fileLen = strlen( filePtr ); listLen = strlen( layouts ); if( fileLen < 5 ) continue; // list is full, stop trying to add to it if( ( listLen + fileLen ) >= sizeof( layouts ) ) break; Q_strcat( layouts, sizeof( layouts ), filePtr ); listLen = strlen( layouts ); // strip extension and add space delimiter layouts[ listLen - 4 ] = ' '; layouts[ listLen - 3 ] = '\0'; count++; } if( count != numFiles ) { G_Printf( S_COLOR_YELLOW "WARNING: layout list was truncated to %d " "layouts, but %d layout files exist in layouts/%s/.\n", count, numFiles, map ); } Q_strncpyz( list, layouts, len ); return count + 1; } /* ============ G_LayoutSelect set level.layout based on g_layouts or g_layoutAuto ============ */ void G_LayoutSelect( void ) { char fileName[ MAX_OSPATH ]; char layouts[ MAX_CVAR_VALUE_STRING ]; char layouts2[ MAX_CVAR_VALUE_STRING ]; char *l; char map[ MAX_QPATH ]; char *s; int cnt = 0; int layoutNum; Q_strncpyz( layouts, g_layouts.string, sizeof( layouts ) ); trap_Cvar_VariableStringBuffer( "mapname", map, sizeof( map ) ); // one time use cvar trap_Cvar_Set( "g_layouts", "" ); // pick an included layout at random if no list has been provided if( !layouts[ 0 ] && g_layoutAuto.integer ) { G_LayoutList( map, layouts, sizeof( layouts ) ); } if( !layouts[ 0 ] ) return; Q_strncpyz( layouts2, layouts, sizeof( layouts2 ) ); l = &layouts2[ 0 ]; layouts[ 0 ] = '\0'; while( 1 ) { s = COM_ParseExt( &l, qfalse ); if( !*s ) break; if( !Q_stricmp( s, "*BUILTIN*" ) ) { Q_strcat( layouts, sizeof( layouts ), s ); Q_strcat( layouts, sizeof( layouts ), " " ); cnt++; continue; } Com_sprintf( fileName, sizeof( fileName ), "layouts/%s/%s.dat", map, s ); if( trap_FS_FOpenFile( fileName, NULL, FS_READ ) > 0 ) { Q_strcat( layouts, sizeof( layouts ), s ); Q_strcat( layouts, sizeof( layouts ), " " ); cnt++; } else G_Printf( S_COLOR_YELLOW "WARNING: layout \"%s\" does not exist\n", s ); } if( !cnt ) { G_Printf( S_COLOR_RED "ERROR: none of the specified layouts could be " "found, using map default\n" ); return; } layoutNum = rand( ) / ( RAND_MAX / cnt + 1 ) + 1; cnt = 0; Q_strncpyz( layouts2, layouts, sizeof( layouts2 ) ); l = &layouts2[ 0 ]; while( 1 ) { s = COM_ParseExt( &l, qfalse ); if( !*s ) break; Q_strncpyz( level.layout, s, sizeof( level.layout ) ); cnt++; if( cnt >= layoutNum ) break; } G_Printf( "using layout \"%s\" from list (%s)\n", level.layout, layouts ); } /* ============ G_LayoutBuildItem ============ */ void G_LayoutBuildItem( buildable_t buildable, vec3_t origin, vec3_t angles, vec3_t origin2, vec3_t angles2 ) { gentity_t *builder; builder = G_Spawn( ); builder->client = 0; VectorCopy( origin, builder->s.pos.trBase ); VectorCopy( angles, builder->s.angles ); VectorCopy( angles, builder->cuboidSize ); VectorCopy( origin2, builder->s.origin2 ); VectorCopy( angles2, builder->s.angles2 ); G_SpawnBuildable( builder, buildable ); } /* ============ G_LayoutLoad load the layout .dat file indicated by level.layout and spawn buildables as if a builder was creating them ============ */ void G_LayoutLoad( void ) { fileHandle_t f; int len; char *layout, *layoutHead; char map[ MAX_QPATH ]; char buildName[ MAX_TOKEN_CHARS ]; int buildable; vec3_t origin = { 0.0f, 0.0f, 0.0f }; vec3_t angles = { 0.0f, 0.0f, 0.0f }; vec3_t origin2 = { 0.0f, 0.0f, 0.0f }; vec3_t angles2 = { 0.0f, 0.0f, 0.0f }; char line[ MAX_STRING_CHARS ]; int i = 0; if( !level.layout[ 0 ] || !Q_stricmp( level.layout, "*BUILTIN*" ) ) return; trap_Cvar_VariableStringBuffer( "mapname", map, sizeof( map ) ); len = trap_FS_FOpenFile( va( "layouts/%s/%s.dat", map, level.layout ), &f, FS_READ ); if( len < 0 ) { G_Printf( "ERROR: layout %s could not be opened\n", level.layout ); return; } layoutHead = layout = BG_Alloc( len + 1 ); trap_FS_Read( layout, len, f ); layout[ len ] = '\0'; trap_FS_FCloseFile( f ); while( *layout ) { if( i >= sizeof( line ) - 1 ) { G_Printf( S_COLOR_RED "ERROR: line overflow in %s before \"%s\"\n", va( "layouts/%s/%s.dat", map, level.layout ), line ); break; } line[ i++ ] = *layout; line[ i ] = '\0'; if( *layout == '\n' ) { i = 0; sscanf( line, "%s %f %f %f %f %f %f %f %f %f %f %f %f\n", buildName, &origin[ 0 ], &origin[ 1 ], &origin[ 2 ], &angles[ 0 ], &angles[ 1 ], &angles[ 2 ], &origin2[ 0 ], &origin2[ 1 ], &origin2[ 2 ], &angles2[ 0 ], &angles2[ 1 ], &angles2[ 2 ] ); buildable = BG_BuildableByName( buildName )->number; if( buildable <= BA_NONE || buildable >= BA_NUM_BUILDABLES ) G_Printf( S_COLOR_YELLOW "WARNING: bad buildable name (%s) in layout." " skipping\n", buildName ); else G_LayoutBuildItem( buildable, origin, angles, origin2, angles2 ); } layout++; } BG_Free( layoutHead ); } /* ============ G_BaseSelfDestruct ============ */ void G_BaseSelfDestruct( team_t team ) { int i; gentity_t *ent; for( i = MAX_CLIENTS; i < level.num_entities; i++ ) { ent = &level.gentities[ i ]; if( ent->health <= 0 ) continue; if( ent->s.eType != ET_BUILDABLE ) continue; if( ent->buildableTeam != team ) continue; G_Damage( ent, NULL, NULL, NULL, NULL, 10000, 0, MOD_SUICIDE ); } } /* ============ build log ============ */ buildLog_t *G_BuildLogNew( gentity_t *actor, buildFate_t fate ) { buildLog_t *log = &level.buildLog[ level.buildId++ % MAX_BUILDLOG ]; if( level.numBuildLogs < MAX_BUILDLOG ) level.numBuildLogs++; log->time = level.time; log->fate = fate; log->actor = actor && actor->client ? actor->client->pers.namelog : NULL; return log; } void G_BuildLogSet( buildLog_t *log, gentity_t *ent ) { log->modelindex = ent->s.modelindex; VectorCopy( ent->s.pos.trBase, log->origin ); VectorCopy( ent->s.angles, log->angles ); VectorCopy( ent->s.origin2, log->origin2 ); VectorCopy( ent->s.angles2, log->angles2 ); log->powerSource = ent->parentNode ? ent->parentNode->s.modelindex : BA_NONE; log->powerValue = G_QueueValue( ent ); } void G_BuildLogAuto( gentity_t *actor, gentity_t *buildable, buildFate_t fate ) { G_BuildLogSet( G_BuildLogNew( actor, fate ), buildable ); } void G_BuildLogRevertThink( gentity_t *ent ) { gentity_t *built; vec3_t mins, maxs; int blockers[ MAX_GENTITIES ]; int num; int victims = 0; int i; if( ent->suicideTime > 0 ) { BG_BuildableBoundingBox( ent->s.modelindex, mins, maxs ); VectorAdd( ent->s.pos.trBase, mins, mins ); VectorAdd( ent->s.pos.trBase, maxs, maxs ); num = trap_EntitiesInBox( mins, maxs, blockers, MAX_GENTITIES ); for( i = 0; i < num; i++ ) { gentity_t *targ; vec3_t push; targ = g_entities + blockers[ i ]; if( targ->client ) { float val = ( targ->client->ps.eFlags & EF_WALLCLIMB) ? 300.0 : 150.0; VectorSet( push, crandom() * val, crandom() * val, random() * val ); VectorAdd( targ->client->ps.velocity, push, targ->client->ps.velocity ); victims++; } } ent->suicideTime--; if( victims ) { // still a blocker ent->nextthink = level.time + FRAMETIME; return; } } built = G_FinishSpawningBuildable( ent, qtrue ); built->buildTime = built->s.time = 0; G_KillBox( built ); G_LogPrintf( "revert: restore %d %s\n", built - g_entities, BG_Buildable( built->s.modelindex, NULL )->name ); G_FreeEntity( ent ); } void G_BuildLogRevert( int id ) { buildLog_t *log; gentity_t *ent; int i; vec3_t dist; level.numBuildLogs -= level.buildId - id; while( level.buildId > id ) { log = &level.buildLog[ --level.buildId % MAX_BUILDLOG ]; if( log->fate == BF_CONSTRUCT ) { for( i = MAX_CLIENTS; i < level.num_entities; i++ ) { ent = &g_entities[ i ]; if( ( ( ent->s.eType == ET_BUILDABLE && ent->health > 0 ) || ( ent->s.eType == ET_GENERAL && ent->think == G_BuildLogRevertThink ) ) && ent->s.modelindex == log->modelindex ) { VectorSubtract( ent->s.pos.trBase, log->origin, dist ); if( VectorLengthSquared( dist ) <= 2.0f ) { if( ent->s.eType == ET_BUILDABLE ) G_LogPrintf( "revert: remove %d %s\n", ent - g_entities, BG_Buildable( ent->s.modelindex, NULL )->name ); G_FreeEntity( ent ); break; } } } } else { gentity_t *builder = G_Spawn(); builder->client = NULL; VectorCopy( log->origin, builder->s.pos.trBase ); VectorCopy( log->angles, builder->s.angles ); VectorCopy( log->origin2, builder->s.origin2 ); VectorCopy( log->angles2, builder->s.angles2 ); builder->s.modelindex = log->modelindex; builder->think = G_BuildLogRevertThink; builder->nextthink = level.time + FRAMETIME; // Number of thinks before giving up and killing players in the way builder->suicideTime = 30; if( log->fate == BF_DESTROY || log->fate == BF_TEAMKILL ) { int value = log->powerValue; if( BG_Buildable( log->modelindex, NULL )->team == TEAM_ALIENS ) { level.alienBuildPointQueue = MAX( 0, level.alienBuildPointQueue - value ); } } } } } /* ============ G_RemoveUnbuiltBuildables Kill all player's buildables if they havent spawned yet ============ */ void G_RemoveUnbuiltBuildables( gentity_t *self ) { int i; vec3_t dir; gentity_t *ent; dir[0] = dir[1] = 0.0f; dir[2] = 1.0f; for( i = MAX_CLIENTS, ent = g_entities + i; i < level.num_entities; i++, ent++ ) { if( ent->s.eType != ET_BUILDABLE ) continue; if( ent == self ) continue; if( ent->spawned ) continue; if( ent->builtBy != self->client->ps.clientNum ) continue; if( ent->s.modelindex < CUBOID_FIRST ) continue; G_Damage( ent, self, NULL, dir, dir, ent->health, 0, MOD_DECONSTRUCT ); } }