/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. Copyright (C) 2000-2013 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" /* =============================================================================== PUSHMOVE =============================================================================== */ typedef struct { gentity_t *ent; vec3_t origin; vec3_t angles; float deltayaw; } pushed_t; pushed_t pushed[ MAX_GENTITIES ], *pushed_p; /* ============ G_TestEntityPosition ============ */ gentity_t *G_TestEntityPosition( gentity_t *ent ) { trace_t tr; if( ent->client ) trap_Trace( &tr, ent->client->ps.origin, ent->r.mins, ent->r.maxs, ent->client->ps.origin, ent->s.number, ent->clipmask ); else trap_Trace( &tr, ent->s.pos.trBase, ent->r.mins, ent->r.maxs, ent->s.pos.trBase, ent->s.number, ent->clipmask ); if( tr.startsolid ) return &g_entities[ tr.entityNum ]; return NULL; } /* ================ G_CreateRotationMatrix ================ */ void G_CreateRotationMatrix( vec3_t angles, vec3_t matrix[ 3 ] ) { AngleVectors( angles, matrix[ 0 ], matrix[ 1 ], matrix[ 2 ] ); VectorInverse( matrix[ 1 ] ); } /* ================ G_TransposeMatrix ================ */ void G_TransposeMatrix( vec3_t matrix[ 3 ], vec3_t transpose[ 3 ] ) { int i, j; for( i = 0; i < 3; i++ ) { for( j = 0; j < 3; j++ ) { transpose[ i ][ j ] = matrix[ j ][ i ]; } } } /* ================ G_RotatePoint ================ */ void G_RotatePoint( vec3_t point, vec3_t matrix[ 3 ] ) { vec3_t tvec; VectorCopy( point, tvec ); point[ 0 ] = DotProduct( matrix[ 0 ], tvec ); point[ 1 ] = DotProduct( matrix[ 1 ], tvec ); point[ 2 ] = DotProduct( matrix[ 2 ], tvec ); } /* ================== G_TryPushingEntity Returns qfalse if the move is blocked ================== */ qboolean G_TryPushingEntity( gentity_t *check, gentity_t *pusher, vec3_t move, vec3_t amove ) { vec3_t matrix[ 3 ], transpose[ 3 ]; vec3_t org, org2, move2; gentity_t *block; // EF_MOVER_STOP will just stop when contacting another entity // instead of pushing it, but entities can still ride on top of it if( ( pusher->s.eFlags & EF_MOVER_STOP ) && check->s.groundEntityNum != pusher->s.number ) return qfalse; //don't try to move buildables unless standing on a mover if( check->s.eType == ET_BUILDABLE && check->s.groundEntityNum != pusher->s.number ) return qfalse; // save off the old position if( pushed_p > &pushed[ MAX_GENTITIES ] ) G_Error( "pushed_p > &pushed[MAX_GENTITIES]" ); pushed_p->ent = check; VectorCopy( check->s.pos.trBase, pushed_p->origin ); VectorCopy( check->s.apos.trBase, pushed_p->angles ); if( check->client ) { pushed_p->deltayaw = check->client->ps.delta_angles[ YAW ]; VectorCopy( check->client->ps.origin, pushed_p->origin ); } pushed_p++; // try moving the contacted entity // figure movement due to the pusher's amove G_CreateRotationMatrix( amove, transpose ); G_TransposeMatrix( transpose, matrix ); if( check->client ) VectorSubtract( check->client->ps.origin, pusher->r.currentOrigin, org ); else VectorSubtract( check->s.pos.trBase, pusher->r.currentOrigin, org ); VectorCopy( org, org2 ); G_RotatePoint( org2, matrix ); VectorSubtract( org2, org, move2 ); // add movement VectorAdd( check->s.pos.trBase, move, check->s.pos.trBase ); VectorAdd( check->s.pos.trBase, move2, check->s.pos.trBase ); if( check->client ) { VectorAdd( check->client->ps.origin, move, check->client->ps.origin ); VectorAdd( check->client->ps.origin, move2, check->client->ps.origin ); // make sure the client's view rotates when on a rotating mover check->client->ps.delta_angles[ YAW ] += ANGLE2SHORT( amove[ YAW ] ); } // may have pushed them off an edge if( check->s.groundEntityNum != pusher->s.number ) check->s.groundEntityNum = ENTITYNUM_NONE; block = G_TestEntityPosition( check ); if( !block ) { // pushed ok if( check->client ) VectorCopy( check->client->ps.origin, check->r.currentOrigin ); else VectorCopy( check->s.pos.trBase, check->r.currentOrigin ); trap_LinkEntity( check ); return qtrue; } // if it is ok to leave in the old position, do it // this is only relevent for riding entities, not pushed // Sliding trapdoors can cause this. VectorCopy( ( pushed_p - 1 )->origin, check->s.pos.trBase ); if( check->client ) VectorCopy( ( pushed_p - 1 )->origin, check->client->ps.origin ); VectorCopy( ( pushed_p - 1 )->angles, check->s.apos.trBase ); block = G_TestEntityPosition( check ); if( !block ) { check->s.groundEntityNum = ENTITYNUM_NONE; pushed_p--; return qtrue; } // blocked return qfalse; } /* ============ G_MoverPush Objects need to be moved back on a failed push, otherwise riders would continue to slide. If qfalse is returned, *obstacle will be the blocking entity ============ */ qboolean G_MoverPush( gentity_t *pusher, vec3_t move, vec3_t amove, gentity_t **obstacle ) { int i, e; gentity_t *check; vec3_t mins, maxs; pushed_t *p; int entityList[ MAX_GENTITIES ]; int listedEntities; vec3_t totalMins, totalMaxs; *obstacle = NULL; // mins/maxs are the bounds at the destination // totalMins / totalMaxs are the bounds for the entire move if( pusher->r.currentAngles[ 0 ] || pusher->r.currentAngles[ 1 ] || pusher->r.currentAngles[ 2 ] || amove[ 0 ] || amove[ 1 ] || amove[ 2 ] ) { float radius; radius = RadiusFromBounds( pusher->r.mins, pusher->r.maxs ); for( i = 0 ; i < 3 ; i++ ) { mins[ i ] = pusher->r.currentOrigin[ i ] + move[ i ] - radius; maxs[ i ] = pusher->r.currentOrigin[ i ] + move[ i ] + radius; totalMins[ i ] = mins[ i ] - move[ i ]; totalMaxs[ i ] = maxs[ i ] - move[ i ]; } } else { for( i = 0; i < 3; i++ ) { mins[ i ] = pusher->r.absmin[ i ] + move[ i ]; maxs[ i ] = pusher->r.absmax[ i ] + move[ i ]; } VectorCopy( pusher->r.absmin, totalMins ); VectorCopy( pusher->r.absmax, totalMaxs ); for( i = 0; i < 3; i++ ) { if( move[ i ] > 0 ) totalMaxs[ i ] += move[ i ]; else totalMins[ i ] += move[ i ]; } } // unlink the pusher so we don't get it in the entityList trap_UnlinkEntity( pusher ); listedEntities = trap_EntitiesInBox( totalMins, totalMaxs, entityList, MAX_GENTITIES ); // move the pusher to its final position VectorAdd( pusher->r.currentOrigin, move, pusher->r.currentOrigin ); VectorAdd( pusher->r.currentAngles, amove, pusher->r.currentAngles ); trap_LinkEntity( pusher ); // see if any solid entities are inside the final position for( e = 0 ; e < listedEntities ; e++ ) { check = &g_entities[ entityList[ e ] ]; // only push items and players if( check->s.eType != ET_ITEM && check->s.eType != ET_BUILDABLE && check->s.eType != ET_CORPSE && check->s.eType != ET_PLAYER && !check->physicsObject ) continue; // if the entity is standing on the pusher, it will definitely be moved if( check->s.groundEntityNum != pusher->s.number ) { // see if the ent needs to be tested if( check->r.absmin[ 0 ] >= maxs[ 0 ] || check->r.absmin[ 1 ] >= maxs[ 1 ] || check->r.absmin[ 2 ] >= maxs[ 2 ] || check->r.absmax[ 0 ] <= mins[ 0 ] || check->r.absmax[ 1 ] <= mins[ 1 ] || check->r.absmax[ 2 ] <= mins[ 2 ] ) continue; // see if the ent's bbox is inside the pusher's final position // this does allow a fast moving object to pass through a thin entity... if( !G_TestEntityPosition( check ) ) continue; } // the entity needs to be pushed if( G_TryPushingEntity( check, pusher, move, amove ) ) continue; // the move was blocked an entity // bobbing entities are instant-kill and never get blocked if( pusher->s.pos.trType == TR_SINE || pusher->s.apos.trType == TR_SINE ) { G_Damage( check, pusher, pusher, NULL, NULL, 99999, 0, MOD_CRUSH ); continue; } // save off the obstacle so we can call the block function (crush, etc) *obstacle = check; // move back any entities we already moved // go backwards, so if the same entity was pushed // twice, it goes back to the original position for( p = pushed_p - 1; p >= pushed; p-- ) { VectorCopy( p->origin, p->ent->s.pos.trBase ); VectorCopy( p->angles, p->ent->s.apos.trBase ); if( p->ent->client ) { p->ent->client->ps.delta_angles[ YAW ] = p->deltayaw; VectorCopy( p->origin, p->ent->client->ps.origin ); } trap_LinkEntity( p->ent ); } return qfalse; } return qtrue; } /* ================= G_MoverTeam ================= */ void G_MoverTeam( gentity_t *ent ) { vec3_t move, amove; gentity_t *part, *obstacle; vec3_t origin, angles; obstacle = NULL; // make sure all team slaves can move before commiting // any moves or calling any think functions // if the move is blocked, all moved objects will be backed out pushed_p = pushed; for( part = ent; part; part = part->teamchain ) { // get current position BG_EvaluateTrajectory( &part->s.pos, level.time, origin ); BG_EvaluateTrajectory( &part->s.apos, level.time, angles ); VectorSubtract( origin, part->r.currentOrigin, move ); VectorSubtract( angles, part->r.currentAngles, amove ); if( !G_MoverPush( part, move, amove, &obstacle ) ) break; // move was blocked } if( part ) { // go back to the previous position for( part = ent; part; part = part->teamchain ) { part->s.pos.trTime += level.time - level.previousTime; part->s.apos.trTime += level.time - level.previousTime; BG_EvaluateTrajectory( &part->s.pos, level.time, part->r.currentOrigin ); BG_EvaluateTrajectory( &part->s.apos, level.time, part->r.currentAngles ); trap_LinkEntity( part ); } // if the pusher has a "blocked" function, call it if( ent->blocked ) ent->blocked( ent, obstacle ); return; } // the move succeeded for( part = ent; part; part = part->teamchain ) { // call the reached function if time is at or past end point if( part->s.pos.trType == TR_LINEAR_STOP ) { if( level.time >= part->s.pos.trTime + part->s.pos.trDuration ) { if( part->reached ) part->reached( part ); } } if ( part->s.apos.trType == TR_LINEAR_STOP ) { if ( level.time >= part->s.apos.trTime + part->s.apos.trDuration ) { if ( part->reached ) { part->reached( part ); } } } } } /* ================ G_RunMover ================ */ void G_RunMover( gentity_t *ent ) { // if not a team captain, don't do anything, because // the captain will handle everything if( ent->flags & FL_TEAMSLAVE ) return; // if stationary at one of the positions, don't move anything if( ( ent->s.pos.trType != TR_STATIONARY || ent->s.apos.trType != TR_STATIONARY ) && ent->moverState < MODEL_POS1 ) //yuck yuck hack G_MoverTeam( ent ); // check think function G_RunThink( ent ); } /* ============================================================================ GENERAL MOVERS Doors, plats, and buttons are all binary (two position) movers Pos1 is "at rest", pos2 is "activated" ============================================================================ */ /* =============== SetMoverState =============== */ void SetMoverState( gentity_t *ent, moverState_t moverState, int time ) { vec3_t delta; float f; ent->moverState = moverState; ent->s.pos.trTime = time; ent->s.apos.trTime = time; switch( moverState ) { case MOVER_POS1: VectorCopy( ent->pos1, ent->s.pos.trBase ); ent->s.pos.trType = TR_STATIONARY; break; case MOVER_POS2: VectorCopy( ent->pos2, ent->s.pos.trBase ); ent->s.pos.trType = TR_STATIONARY; break; case MOVER_1TO2: VectorCopy( ent->pos1, ent->s.pos.trBase ); VectorSubtract( ent->pos2, ent->pos1, delta ); f = 1000.0 / ent->s.pos.trDuration; VectorScale( delta, f, ent->s.pos.trDelta ); ent->s.pos.trType = TR_LINEAR_STOP; break; case MOVER_2TO1: VectorCopy( ent->pos2, ent->s.pos.trBase ); VectorSubtract( ent->pos1, ent->pos2, delta ); f = 1000.0 / ent->s.pos.trDuration; VectorScale( delta, f, ent->s.pos.trDelta ); ent->s.pos.trType = TR_LINEAR_STOP; break; case ROTATOR_POS1: VectorCopy( ent->pos1, ent->s.apos.trBase ); ent->s.apos.trType = TR_STATIONARY; break; case ROTATOR_POS2: VectorCopy( ent->pos2, ent->s.apos.trBase ); ent->s.apos.trType = TR_STATIONARY; break; case ROTATOR_1TO2: VectorCopy( ent->pos1, ent->s.apos.trBase ); VectorSubtract( ent->pos2, ent->pos1, delta ); f = 1000.0 / ent->s.apos.trDuration; VectorScale( delta, f, ent->s.apos.trDelta ); ent->s.apos.trType = TR_LINEAR_STOP; break; case ROTATOR_2TO1: VectorCopy( ent->pos2, ent->s.apos.trBase ); VectorSubtract( ent->pos1, ent->pos2, delta ); f = 1000.0 / ent->s.apos.trDuration; VectorScale( delta, f, ent->s.apos.trDelta ); ent->s.apos.trType = TR_LINEAR_STOP; break; case MODEL_POS1: break; case MODEL_POS2: break; default: break; } if( moverState >= MOVER_POS1 && moverState <= MOVER_2TO1 ) BG_EvaluateTrajectory( &ent->s.pos, level.time, ent->r.currentOrigin ); if( moverState >= ROTATOR_POS1 && moverState <= ROTATOR_2TO1 ) BG_EvaluateTrajectory( &ent->s.apos, level.time, ent->r.currentAngles ); trap_LinkEntity( ent ); } /* ================ MatchTeam All entities in a mover team will move from pos1 to pos2 in the same amount of time ================ */ void MatchTeam( gentity_t *teamLeader, int moverState, int time ) { gentity_t *slave; for( slave = teamLeader; slave; slave = slave->teamchain ) SetMoverState( slave, moverState, time ); } /* ================ ReturnToPos1 ================ */ void ReturnToPos1( gentity_t *ent ) { MatchTeam( ent, MOVER_2TO1, level.time ); // looping sound ent->s.loopSound = ent->soundLoop; // starting sound if( ent->sound2to1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound2to1 ); } /* ================ ReturnToApos1 ================ */ void ReturnToApos1( gentity_t *ent ) { MatchTeam( ent, ROTATOR_2TO1, level.time ); // looping sound ent->s.loopSound = ent->soundLoop; // starting sound if( ent->sound2to1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound2to1 ); } /* ================ Think_ClosedModelDoor ================ */ void Think_ClosedModelDoor( gentity_t *ent ) { // play sound if( ent->soundPos1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->soundPos1 ); // close areaportals if( ent->teammaster == ent || !ent->teammaster ) trap_AdjustAreaPortalState( ent, qfalse ); ent->moverState = MODEL_POS1; } /* ================ Think_CloseModelDoor ================ */ void Think_CloseModelDoor( gentity_t *ent ) { int entityList[ MAX_GENTITIES ]; int numEntities, i; gentity_t *clipBrush = ent->clipBrush; gentity_t *check; qboolean canClose = qtrue; numEntities = trap_EntitiesInBox( clipBrush->r.absmin, clipBrush->r.absmax, entityList, MAX_GENTITIES ); //set brush solid trap_LinkEntity( ent->clipBrush ); //see if any solid entities are inside the door for( i = 0; i < numEntities; i++ ) { check = &g_entities[ entityList[ i ] ]; //only test items and players if( check->s.eType != ET_ITEM && check->s.eType != ET_BUILDABLE && check->s.eType != ET_CORPSE && check->s.eType != ET_PLAYER && !check->physicsObject ) continue; //test is this entity collides with this door if( G_TestEntityPosition( check ) ) canClose = qfalse; } //something is blocking this door if( !canClose ) { //set brush non-solid trap_UnlinkEntity( ent->clipBrush ); ent->nextthink = level.time + ent->wait; return; } //toggle door state ent->s.legsAnim = qfalse; // play sound if( ent->sound2to1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound2to1 ); ent->moverState = MODEL_2TO1; ent->think = Think_ClosedModelDoor; ent->nextthink = level.time + ent->speed; } /* ================ Think_OpenModelDoor ================ */ void Think_OpenModelDoor( gentity_t *ent ) { //set brush non-solid trap_UnlinkEntity( ent->clipBrush ); // looping sound ent->s.loopSound = ent->soundLoop; // starting sound if( ent->soundPos2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->soundPos2 ); ent->moverState = MODEL_POS2; // return to pos1 after a delay ent->think = Think_CloseModelDoor; ent->nextthink = level.time + ent->wait; // fire targets if( !ent->activator ) ent->activator = ent; G_UseTargets( ent, ent->activator ); } /* ================ Reached_BinaryMover ================ */ void Reached_BinaryMover( gentity_t *ent ) { // stop the looping sound ent->s.loopSound = ent->soundLoop; if( ent->moverState == MOVER_1TO2 ) { // reached pos2 SetMoverState( ent, MOVER_POS2, level.time ); // play sound if( ent->soundPos2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->soundPos2 ); // return to pos1 after a delay ent->think = ReturnToPos1; ent->nextthink = level.time + ent->wait; // fire targets if( !ent->activator ) ent->activator = ent; G_UseTargets( ent, ent->activator ); } else if( ent->moverState == MOVER_2TO1 ) { // reached pos1 SetMoverState( ent, MOVER_POS1, level.time ); // play sound if( ent->soundPos1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->soundPos1 ); // close areaportals if( ent->teammaster == ent || !ent->teammaster ) trap_AdjustAreaPortalState( ent, qfalse ); } else if( ent->moverState == ROTATOR_1TO2 ) { // reached pos2 SetMoverState( ent, ROTATOR_POS2, level.time ); // play sound if( ent->soundPos2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->soundPos2 ); // return to apos1 after a delay ent->think = ReturnToApos1; ent->nextthink = level.time + ent->wait; // fire targets if( !ent->activator ) ent->activator = ent; G_UseTargets( ent, ent->activator ); } else if( ent->moverState == ROTATOR_2TO1 ) { // reached pos1 SetMoverState( ent, ROTATOR_POS1, level.time ); // play sound if( ent->soundPos1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->soundPos1 ); // close areaportals if( ent->teammaster == ent || !ent->teammaster ) trap_AdjustAreaPortalState( ent, qfalse ); } else G_Error( "Reached_BinaryMover: bad moverState" ); } /* ================ Use_BinaryMover ================ */ void Use_BinaryMover( gentity_t *ent, gentity_t *other, gentity_t *activator ) { int total; int partial; // if this is a non-client-usable door return if( ent->targetname && other && other->client ) return; // only the master should be used if( ent->flags & FL_TEAMSLAVE ) { Use_BinaryMover( ent->teammaster, other, activator ); return; } ent->activator = activator; if( ent->moverState == MOVER_POS1 ) { // start moving 50 msec later, becase if this was player // triggered, level.time hasn't been advanced yet MatchTeam( ent, MOVER_1TO2, level.time + 50 ); // starting sound if( ent->sound1to2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound1to2 ); // looping sound ent->s.loopSound = ent->soundLoop; // open areaportal if( ent->teammaster == ent || !ent->teammaster ) trap_AdjustAreaPortalState( ent, qtrue ); } else if( ent->moverState == MOVER_POS2 ) { // if all the way up, just delay before coming down ent->nextthink = level.time + ent->wait; } else if( ent->moverState == MOVER_2TO1 ) { // only partway down before reversing total = ent->s.pos.trDuration; partial = level.time - ent->s.pos.trTime; if( partial > total ) partial = total; MatchTeam( ent, MOVER_1TO2, level.time - ( total - partial ) ); if( ent->sound1to2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound1to2 ); } else if( ent->moverState == MOVER_1TO2 ) { // only partway up before reversing total = ent->s.pos.trDuration; partial = level.time - ent->s.pos.trTime; if( partial > total ) partial = total; MatchTeam( ent, MOVER_2TO1, level.time - ( total - partial ) ); if( ent->sound2to1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound2to1 ); } else if( ent->moverState == ROTATOR_POS1 ) { // start moving 50 msec later, becase if this was player // triggered, level.time hasn't been advanced yet MatchTeam( ent, ROTATOR_1TO2, level.time + 50 ); // starting sound if( ent->sound1to2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound1to2 ); // looping sound ent->s.loopSound = ent->soundLoop; // open areaportal if( ent->teammaster == ent || !ent->teammaster ) trap_AdjustAreaPortalState( ent, qtrue ); } else if( ent->moverState == ROTATOR_POS2 ) { // if all the way up, just delay before coming down ent->nextthink = level.time + ent->wait; } else if( ent->moverState == ROTATOR_2TO1 ) { // only partway down before reversing total = ent->s.apos.trDuration; partial = level.time - ent->s.apos.trTime; if( partial > total ) partial = total; MatchTeam( ent, ROTATOR_1TO2, level.time - ( total - partial ) ); if( ent->sound1to2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound1to2 ); } else if( ent->moverState == ROTATOR_1TO2 ) { // only partway up before reversing total = ent->s.apos.trDuration; partial = level.time - ent->s.apos.trTime; if( partial > total ) partial = total; MatchTeam( ent, ROTATOR_2TO1, level.time - ( total - partial ) ); if( ent->sound2to1 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound2to1 ); } else if( ent->moverState == MODEL_POS1 ) { //toggle door state ent->s.legsAnim = qtrue; ent->think = Think_OpenModelDoor; ent->nextthink = level.time + ent->speed; // starting sound if( ent->sound1to2 ) G_AddEvent( ent, EV_GENERAL_SOUND, ent->sound1to2 ); // looping sound ent->s.loopSound = ent->soundLoop; // open areaportal if( ent->teammaster == ent || !ent->teammaster ) trap_AdjustAreaPortalState( ent, qtrue ); ent->moverState = MODEL_1TO2; } else if( ent->moverState == MODEL_POS2 ) { // if all the way up, just delay before coming down ent->nextthink = level.time + ent->wait; } } /* ================ InitMover "pos1", "pos2", and "speed" should be set before calling, so the movement delta can be calculated ================ */ void InitMover( gentity_t *ent ) { vec3_t move; float distance; float light; vec3_t color; qboolean lightSet, colorSet; char *sound; // if the "model2" key is set, use a seperate model // for drawing, but clip against the brushes if( ent->model2 ) ent->s.modelindex2 = G_ModelIndex( ent->model2 ); // if the "loopsound" key is set, use a constant looping sound when moving if( G_SpawnString( "noise", "100", &sound ) ) ent->s.loopSound = G_SoundIndex( sound ); // if the "color" or "light" keys are set, setup constantLight lightSet = G_SpawnFloat( "light", "100", &light ); colorSet = G_SpawnVector( "color", "1 1 1", color ); if( lightSet || colorSet ) { int r, g, b, i; r = color[ 0 ] * 255; if( r > 255 ) r = 255; g = color[ 1 ] * 255; if( g > 255 ) g = 255; b = color[ 2 ] * 255; if( b > 255 ) b = 255; i = light / 4; if( i > 255 ) i = 255; ent->s.constantLight = r | ( g << 8 ) | ( b << 16 ) | ( i << 24 ); } ent->use = Use_BinaryMover; ent->reached = Reached_BinaryMover; ent->moverState = MOVER_POS1; ent->r.svFlags = SVF_USE_CURRENT_ORIGIN; ent->s.eType = ET_MOVER; VectorCopy( ent->pos1, ent->r.currentOrigin ); trap_LinkEntity( ent ); ent->s.pos.trType = TR_STATIONARY; VectorCopy( ent->pos1, ent->s.pos.trBase ); // calculate time to reach second position from speed VectorSubtract( ent->pos2, ent->pos1, move ); distance = VectorLength( move ); if( !ent->speed ) ent->speed = 100; VectorScale( move, ent->speed, ent->s.pos.trDelta ); ent->s.pos.trDuration = distance * 1000 / ent->speed; if( ent->s.pos.trDuration <= 0 ) ent->s.pos.trDuration = 1; } /* ================ InitRotator "pos1", "pos2", and "speed" should be set before calling, so the movement delta can be calculated ================ */ void InitRotator( gentity_t *ent ) { vec3_t move; float angle; float light; vec3_t color; qboolean lightSet, colorSet; char *sound; // if the "model2" key is set, use a seperate model // for drawing, but clip against the brushes if( ent->model2 ) ent->s.modelindex2 = G_ModelIndex( ent->model2 ); // if the "loopsound" key is set, use a constant looping sound when moving if( G_SpawnString( "noise", "100", &sound ) ) ent->s.loopSound = G_SoundIndex( sound ); // if the "color" or "light" keys are set, setup constantLight lightSet = G_SpawnFloat( "light", "100", &light ); colorSet = G_SpawnVector( "color", "1 1 1", color ); if( lightSet || colorSet ) { int r, g, b, i; r = color[ 0 ] * 255; if( r > 255 ) r = 255; g = color[ 1 ] * 255; if( g > 255 ) g = 255; b = color[ 2 ] * 255; if( b > 255 ) b = 255; i = light / 4; if( i > 255 ) i = 255; ent->s.constantLight = r | ( g << 8 ) | ( b << 16 ) | ( i << 24 ); } ent->use = Use_BinaryMover; ent->reached = Reached_BinaryMover; ent->moverState = ROTATOR_POS1; ent->r.svFlags = SVF_USE_CURRENT_ORIGIN; ent->s.eType = ET_MOVER; VectorCopy( ent->pos1, ent->r.currentAngles ); trap_LinkEntity( ent ); ent->s.apos.trType = TR_STATIONARY; VectorCopy( ent->pos1, ent->s.apos.trBase ); // calculate time to reach second position from speed VectorSubtract( ent->pos2, ent->pos1, move ); angle = VectorLength( move ); if( !ent->speed ) ent->speed = 120; VectorScale( move, ent->speed, ent->s.apos.trDelta ); ent->s.apos.trDuration = angle * 1000 / ent->speed; if( ent->s.apos.trDuration <= 0 ) ent->s.apos.trDuration = 1; } /* =============================================================================== DOOR A use can be triggered either by a touch function, by being shot, or by being targeted by another entity. =============================================================================== */ /* ================ Blocked_Door ================ */ void Blocked_Door( gentity_t *ent, gentity_t *other ) { // remove anything other than a client or buildable if( !other->client && other->s.eType != ET_BUILDABLE ) { G_FreeEntity( other ); return; } if( ent->damage ) G_Damage( other, ent, ent, NULL, NULL, ent->damage, 0, MOD_CRUSH ); if( ent->spawnflags & 4 ) return; // crushers don't reverse // reverse direction Use_BinaryMover( ent, ent, other ); } /* ================ Touch_DoorTriggerSpectator ================ */ static void Touch_DoorTriggerSpectator( gentity_t *ent, gentity_t *other, trace_t *trace ) { int i, axis; vec3_t origin, dir, angles; axis = ent->count; VectorClear( dir ); if( fabs( other->s.origin[ axis ] - ent->r.absmax[ axis ] ) < fabs( other->s.origin[ axis ] - ent->r.absmin[ axis ] ) ) { origin[ axis ] = ent->r.absmin[ axis ] - 20; dir[ axis ] = -1; } else { origin[ axis ] = ent->r.absmax[ axis ] + 20; dir[ axis ] = 1; } for( i = 0; i < 3; i++ ) { if( i == axis ) continue; origin[ i ] = ( ent->r.absmin[ i ] + ent->r.absmax[ i ] ) * 0.5; } vectoangles( dir, angles ); TeleportPlayer( other, origin, angles ); } /* ================ manualDoorTriggerSpectator This effectively creates a temporary door auto trigger so manually triggers doors can be skipped by spectators ================ */ static void manualDoorTriggerSpectator( gentity_t *door, gentity_t *player ) { gentity_t *other; gentity_t triggerHull; int best, i; vec3_t mins, maxs; //don't skip a door that is already open if( door->moverState == MOVER_1TO2 || door->moverState == MOVER_POS2 || door->moverState == ROTATOR_1TO2 || door->moverState == ROTATOR_POS2 || door->moverState == MODEL_1TO2 || door->moverState == MODEL_POS2 ) return; // find the bounds of everything on the team VectorCopy( door->r.absmin, mins ); VectorCopy( door->r.absmax, maxs ); for( other = door->teamchain; other; other = other->teamchain ) { AddPointToBounds( other->r.absmin, mins, maxs ); AddPointToBounds( other->r.absmax, mins, maxs ); } // find the thinnest axis, which will be the one we expand best = 0; for( i = 1; i < 3; i++ ) { if( maxs[ i ] - mins[ i ] < maxs[ best ] - mins[ best ] ) best = i; } maxs[ best ] += 60; mins[ best ] -= 60; VectorCopy( mins, triggerHull.r.absmin ); VectorCopy( maxs, triggerHull.r.absmax ); triggerHull.count = best; Touch_DoorTriggerSpectator( &triggerHull, player, NULL ); } /* ================ manualTriggerSpectator Trip to skip the closest door targeted by trigger ================ */ void manualTriggerSpectator( gentity_t *trigger, gentity_t *player ) { gentity_t *t = NULL; gentity_t *targets[ MAX_GENTITIES ]; int i = 0, j; float minDistance = (float)INFINITE; //restrict this hack to trigger_multiple only for now if( strcmp( trigger->classname, "trigger_multiple" ) ) return; if( !trigger->target ) return; //create a list of door entities this trigger targets while( ( t = G_Find( t, FOFS( targetname ), trigger->target ) ) != NULL ) { if( !strcmp( t->classname, "func_door" ) ) targets[ i++ ] = t; else if( t == trigger ) G_Printf( "WARNING: Entity used itself.\n" ); if( !trigger->inuse ) { G_Printf( "triggerity was removed while using targets\n" ); return; } } //if more than 0 targets if( i > 0 ) { gentity_t *closest = NULL; //pick the closest door for( j = 0; j < i; j++ ) { float d = Distance( player->r.currentOrigin, targets[ j ]->r.currentOrigin ); if( d < minDistance ) { minDistance = d; closest = targets[ j ]; } } //try and skip the door manualDoorTriggerSpectator( closest, player ); } } /* ================ Touch_DoorTrigger ================ */ void Touch_DoorTrigger( gentity_t *ent, gentity_t *other, trace_t *trace ) { //buildables don't trigger movers if( other->s.eType == ET_BUILDABLE ) return; if( other->client && other->client->sess.spectatorState != SPECTATOR_NOT ) { // if the door is not open and not opening if( ent->parent->moverState != MOVER_1TO2 && ent->parent->moverState != MOVER_POS2 && ent->parent->moverState != ROTATOR_1TO2 && ent->parent->moverState != ROTATOR_POS2 ) Touch_DoorTriggerSpectator( ent, other, trace ); } else if( ent->parent->moverState != MOVER_1TO2 && ent->parent->moverState != ROTATOR_1TO2 && ent->parent->moverState != ROTATOR_2TO1 ) { Use_BinaryMover( ent->parent, ent, other ); } } /* ====================== Think_SpawnNewDoorTrigger All of the parts of a door have been spawned, so create a trigger that encloses all of them ====================== */ void Think_SpawnNewDoorTrigger( gentity_t *ent ) { gentity_t *other; vec3_t mins, maxs; int i, best; // find the bounds of everything on the team VectorCopy( ent->r.absmin, mins ); VectorCopy( ent->r.absmax, maxs ); for( other = ent->teamchain; other; other=other->teamchain ) { AddPointToBounds( other->r.absmin, mins, maxs ); AddPointToBounds( other->r.absmax, mins, maxs ); } // find the thinnest axis, which will be the one we expand best = 0; for( i = 1; i < 3; i++ ) { if( maxs[ i ] - mins[ i ] < maxs[ best ] - mins[ best ] ) best = i; } maxs[ best ] += 60; mins[ best ] -= 60; // create a trigger with this size other = G_Spawn( ); other->classname = "door_trigger"; VectorCopy( mins, other->r.mins ); VectorCopy( maxs, other->r.maxs ); other->parent = ent; other->r.contents = CONTENTS_TRIGGER; other->touch = Touch_DoorTrigger; // remember the thinnest axis other->count = best; trap_LinkEntity( other ); if( ent->moverState < MODEL_POS1 ) MatchTeam( ent, ent->moverState, level.time ); } void Think_MatchTeam( gentity_t *ent ) { MatchTeam( ent, ent->moverState, level.time ); } /*QUAKED func_door (0 .5 .8) ? START_OPEN x CRUSHER TOGGLE wait in both the start and end states for a trigger event. START_OPEN the door to moves to its destination when spawned, and operate in reverse. It is used to temporarily or permanently close off an area when triggered (not useful for touch or takedamage doors). NOMONSTER monsters will not trigger this door "model2" .md3 model to also draw "angle" determines the opening direction "targetname" if set, no touch field will be spawned and a remote button or trigger field activates the door. "speed" movement speed (100 default) "wait" wait before returning (3 default, -1 = never return) "lip" lip remaining at end of move (8 default) "dmg" damage to inflict when blocked (2 default) "color" constantLight color "light" constantLight radius "health" if set, the door must be shot open */ void SP_func_door( gentity_t *ent ) { vec3_t abs_movedir; float distance; vec3_t size; float lip; char *s; G_SpawnString( "sound2to1", "sound/movers/doors/dr1_strt.wav", &s ); ent->sound2to1 = G_SoundIndex( s ); G_SpawnString( "sound1to2", "sound/movers/doors/dr1_strt.wav", &s ); ent->sound1to2 = G_SoundIndex( s ); G_SpawnString( "soundPos2", "sound/movers/doors/dr1_end.wav", &s ); ent->soundPos2 = G_SoundIndex( s ); G_SpawnString( "soundPos1", "sound/movers/doors/dr1_end.wav", &s ); ent->soundPos1 = G_SoundIndex( s ); ent->blocked = Blocked_Door; // default speed of 400 if( !ent->speed ) ent->speed = 400; // default wait of 2 seconds if( !ent->wait ) ent->wait = 2; ent->wait *= 1000; // default lip of 8 units G_SpawnFloat( "lip", "8", &lip ); // default damage of 2 points G_SpawnInt( "dmg", "2", &ent->damage ); // first position at start VectorCopy( ent->s.origin, ent->pos1 ); // calculate second position trap_SetBrushModel( ent, ent->model ); G_SetMovedir( ent->s.angles, ent->movedir ); abs_movedir[ 0 ] = fabs( ent->movedir[ 0 ] ); abs_movedir[ 1 ] = fabs( ent->movedir[ 1 ] ); abs_movedir[ 2 ] = fabs( ent->movedir[ 2 ] ); VectorSubtract( ent->r.maxs, ent->r.mins, size ); distance = DotProduct( abs_movedir, size ) - lip; VectorMA( ent->pos1, distance, ent->movedir, ent->pos2 ); // if "start_open", reverse position 1 and 2 if( ent->spawnflags & 1 ) { vec3_t temp; VectorCopy( ent->pos2, temp ); VectorCopy( ent->s.origin, ent->pos2 ); VectorCopy( temp, ent->pos1 ); } InitMover( ent ); ent->nextthink = level.time + FRAMETIME; if( !( ent->flags & FL_TEAMSLAVE ) ) { int health; G_SpawnInt( "health", "0", &health ); if( health ) ent->takedamage = qtrue; if( ent->targetname || health ) { // non touch/shoot doors ent->think = Think_MatchTeam; } else ent->think = Think_SpawnNewDoorTrigger; } } /*QUAKED func_door_rotating (0 .5 .8) START_OPEN CRUSHER REVERSE TOGGLE X_AXIS Y_AXIS * This is the rotating door... just as the name suggests it's a door that rotates * START_OPEN the door to moves to its destination when spawned, and operate in reverse. * REVERSE if you want the door to open in the other direction, use this switch. * TOGGLE wait in both the start and end states for a trigger event. * X_AXIS open on the X-axis instead of the Z-axis * Y_AXIS open on the Y-axis instead of the Z-axis * * You need to have an origin brush as part of this entity. The center of that brush will be * the point around which it is rotated. It will rotate around the Z axis by default. You can * check either the X_AXIS or Y_AXIS box to change that. * * "model2" .md3 model to also draw * "distance" how many degrees the door will open * "speed" how fast the door will open (degrees/second) * "color" constantLight color * "light" constantLight radius * */ void SP_func_door_rotating( gentity_t *ent ) { char *s; G_SpawnString( "sound2to1", "sound/movers/doors/dr1_strt.wav", &s ); ent->sound2to1 = G_SoundIndex( s ); G_SpawnString( "sound1to2", "sound/movers/doors/dr1_strt.wav", &s ); ent->sound1to2 = G_SoundIndex( s ); G_SpawnString( "soundPos2", "sound/movers/doors/dr1_end.wav", &s ); ent->soundPos2 = G_SoundIndex( s ); G_SpawnString( "soundPos1", "sound/movers/doors/dr1_end.wav", &s ); ent->soundPos1 = G_SoundIndex( s ); ent->blocked = Blocked_Door; //default speed of 120 if( !ent->speed ) ent->speed = 120; // if speed is negative, positize it and add reverse flag if( ent->speed < 0 ) { ent->speed *= -1; ent->spawnflags |= 8; } // default of 2 seconds if( !ent->wait ) ent->wait = 2; ent->wait *= 1000; // set the axis of rotation VectorClear( ent->movedir ); VectorClear( ent->s.angles ); if( ent->spawnflags & 32 ) ent->movedir[ 2 ] = 1.0; else if( ent->spawnflags & 64 ) ent->movedir[ 0 ] = 1.0; else ent->movedir[ 1 ] = 1.0; // reverse direction if necessary if( ent->spawnflags & 8 ) VectorNegate ( ent->movedir, ent->movedir ); // default distance of 90 degrees. This is something the mapper should not // leave out, so we'll tell him if he does. if( !ent->rotatorAngle ) { G_Printf( "%s at %s with no rotatorAngle set.\n", ent->classname, vtos( ent->s.origin ) ); ent->rotatorAngle = 90.0; } VectorCopy( ent->s.angles, ent->pos1 ); trap_SetBrushModel( ent, ent->model ); VectorMA( ent->pos1, ent->rotatorAngle, ent->movedir, ent->pos2 ); // if "start_open", reverse position 1 and 2 if( ent->spawnflags & 1 ) { vec3_t temp; VectorCopy( ent->pos2, temp ); VectorCopy( ent->s.angles, ent->pos2 ); VectorCopy( temp, ent->pos1 ); VectorNegate( ent->movedir, ent->movedir ); } // set origin VectorCopy( ent->s.origin, ent->s.pos.trBase ); VectorCopy( ent->s.pos.trBase, ent->r.currentOrigin ); InitRotator( ent ); ent->nextthink = level.time + FRAMETIME; if( !( ent->flags & FL_TEAMSLAVE ) ) { int health; G_SpawnInt( "health", "0", &health ); if( health ) ent->takedamage = qtrue; if( ent->targetname || health ) { // non touch/shoot doors ent->think = Think_MatchTeam; } else ent->think = Think_SpawnNewDoorTrigger; } } /*QUAKED func_door_model (0 .5 .8) ? START_OPEN TOGGLE wait in both the start and end states for a trigger event. START_OPEN the door to moves to its destination when spawned, and operate in reverse. It is used to temporarily or permanently close off an area when triggered (not useful for touch or takedamage doors). NOMONSTER monsters will not trigger this door "model2" .md3 model to also draw "targetname" if set, no touch field will be spawned and a remote button or trigger field activates the door. "speed" movement speed (100 default) "wait" wait before returning (3 default, -1 = never return) "color" constantLight color "light" constantLight radius "health" if set, the door must be shot open */ void SP_func_door_model( gentity_t *ent ) { char *s; float light; vec3_t color; qboolean lightSet, colorSet; char *sound; gentity_t *clipBrush; G_SpawnString( "sound2to1", "sound/movers/doors/dr1_strt.wav", &s ); ent->sound2to1 = G_SoundIndex( s ); G_SpawnString( "sound1to2", "sound/movers/doors/dr1_strt.wav", &s ); ent->sound1to2 = G_SoundIndex( s ); G_SpawnString( "soundPos2", "sound/movers/doors/dr1_end.wav", &s ); ent->soundPos2 = G_SoundIndex( s ); G_SpawnString( "soundPos1", "sound/movers/doors/dr1_end.wav", &s ); ent->soundPos1 = G_SoundIndex( s ); //default speed of 100ms if( !ent->speed ) ent->speed = 200; //default wait of 2 seconds if( ent->wait <= 0 ) ent->wait = 2; ent->wait *= 1000; //brush model clipBrush = ent->clipBrush = G_Spawn( ); clipBrush->model = ent->model; trap_SetBrushModel( clipBrush, clipBrush->model ); clipBrush->s.eType = ET_INVISIBLE; trap_LinkEntity( clipBrush ); //copy the bounds back from the clipBrush so the //triggers can be made VectorCopy( clipBrush->r.absmin, ent->r.absmin ); VectorCopy( clipBrush->r.absmax, ent->r.absmax ); VectorCopy( clipBrush->r.mins, ent->r.mins ); VectorCopy( clipBrush->r.maxs, ent->r.maxs ); G_SpawnVector( "modelOrigin", "0 0 0", ent->s.origin ); G_SpawnVector( "scale", "1 1 1", ent->s.origin2 ); // if the "model2" key is set, use a seperate model // for drawing, but clip against the brushes if( !ent->model2 ) G_Printf( S_COLOR_YELLOW "WARNING: func_door_model %d spawned with no model2 key\n", ent->s.number ); else ent->s.modelindex = G_ModelIndex( ent->model2 ); // if the "loopsound" key is set, use a constant looping sound when moving if( G_SpawnString( "noise", "100", &sound ) ) ent->s.loopSound = G_SoundIndex( sound ); // if the "color" or "light" keys are set, setup constantLight lightSet = G_SpawnFloat( "light", "100", &light ); colorSet = G_SpawnVector( "color", "1 1 1", color ); if( lightSet || colorSet ) { int r, g, b, i; r = color[ 0 ] * 255; if( r > 255 ) r = 255; g = color[ 1 ] * 255; if( g > 255 ) g = 255; b = color[ 2 ] * 255; if( b > 255 ) b = 255; i = light / 4; if( i > 255 ) i = 255; ent->s.constantLight = r | ( g << 8 ) | ( b << 16 ) | ( i << 24 ); } ent->use = Use_BinaryMover; ent->moverState = MODEL_POS1; ent->s.eType = ET_MODELDOOR; VectorCopy( ent->s.origin, ent->s.pos.trBase ); ent->s.pos.trType = TR_STATIONARY; ent->s.pos.trTime = 0; ent->s.pos.trDuration = 0; VectorClear( ent->s.pos.trDelta ); VectorCopy( ent->s.angles, ent->s.apos.trBase ); ent->s.apos.trType = TR_STATIONARY; ent->s.apos.trTime = 0; ent->s.apos.trDuration = 0; VectorClear( ent->s.apos.trDelta ); ent->s.misc = (int)ent->animation[ 0 ]; //first frame ent->s.weapon = abs( (int)ent->animation[ 1 ] ); //number of frames //must be at least one frame -- mapper has forgotten animation key if( ent->s.weapon == 0 ) ent->s.weapon = 1; ent->s.torsoAnim = ent->s.weapon * ( 1000.0f / ent->speed ); //framerate trap_LinkEntity( ent ); if( !( ent->flags & FL_TEAMSLAVE ) ) { int health; G_SpawnInt( "health", "0", &health ); if( health ) ent->takedamage = qtrue; if( !( ent->targetname || health ) ) { ent->nextthink = level.time + FRAMETIME; ent->think = Think_SpawnNewDoorTrigger; } } } /* =============================================================================== PLAT =============================================================================== */ /* ============== Touch_Plat Don't allow to descend if a player is on it and is alive =============== */ void Touch_Plat( gentity_t *ent, gentity_t *other, trace_t *trace ) { // DONT_WAIT if( ent->spawnflags & 1 ) return; if( !other->client || other->client->ps.stats[ STAT_HEALTH ] <= 0 ) return; // delay return-to-pos1 by one second if( ent->moverState == MOVER_POS2 ) ent->nextthink = level.time + 1000; } /* ============== Touch_PlatCenterTrigger If the plat is at the bottom position, start it going up =============== */ void Touch_PlatCenterTrigger( gentity_t *ent, gentity_t *other, trace_t *trace ) { if( !other->client ) return; if( ent->parent->moverState == MOVER_POS1 ) Use_BinaryMover( ent->parent, ent, other ); } /* ================ SpawnPlatTrigger Spawn a trigger in the middle of the plat's low position Elevator cars require that the trigger extend through the entire low position, not just sit on top of it. ================ */ void SpawnPlatTrigger( gentity_t *ent ) { gentity_t *trigger; vec3_t tmin, tmax; // the middle trigger will be a thin trigger just // above the starting position trigger = G_Spawn( ); trigger->classname = "plat_trigger"; trigger->touch = Touch_PlatCenterTrigger; trigger->r.contents = CONTENTS_TRIGGER; trigger->parent = ent; tmin[ 0 ] = ent->pos1[ 0 ] + ent->r.mins[ 0 ] + 33; tmin[ 1 ] = ent->pos1[ 1 ] + ent->r.mins[ 1 ] + 33; tmin[ 2 ] = ent->pos1[ 2 ] + ent->r.mins[ 2 ]; tmax[ 0 ] = ent->pos1[ 0 ] + ent->r.maxs[ 0 ] - 33; tmax[ 1 ] = ent->pos1[ 1 ] + ent->r.maxs[ 1 ] - 33; tmax[ 2 ] = ent->pos1[ 2 ] + ent->r.maxs[ 2 ] + 8; if( tmax[ 0 ] <= tmin[ 0 ] ) { tmin[ 0 ] = ent->pos1[ 0 ] + ( ent->r.mins[ 0 ] + ent->r.maxs[ 0 ] ) * 0.5; tmax[ 0 ] = tmin[ 0 ] + 1; } if( tmax[ 1 ] <= tmin[ 1 ] ) { tmin[ 1 ] = ent->pos1[ 1 ] + ( ent->r.mins[ 1 ] + ent->r.maxs[ 1 ] ) * 0.5; tmax[ 1 ] = tmin[ 1 ] + 1; } VectorCopy( tmin, trigger->r.mins ); VectorCopy( tmax, trigger->r.maxs ); trap_LinkEntity( trigger ); } /*QUAKED func_plat (0 .5 .8) ? Plats are always drawn in the extended position so they will light correctly. "lip" default 8, protrusion above rest position "height" total height of movement, defaults to model height "speed" overrides default 200. "dmg" overrides default 2 "model2" .md3 model to also draw "color" constantLight color "light" constantLight radius */ void SP_func_plat( gentity_t *ent ) { float lip, height; char *s; G_SpawnString( "sound2to1", "sound/movers/plats/pt1_strt.wav", &s ); ent->sound2to1 = G_SoundIndex( s ); G_SpawnString( "sound1to2", "sound/movers/plats/pt1_strt.wav", &s ); ent->sound1to2 = G_SoundIndex( s ); G_SpawnString( "soundPos2", "sound/movers/plats/pt1_end.wav", &s ); ent->soundPos2 = G_SoundIndex( s ); G_SpawnString( "soundPos1", "sound/movers/plats/pt1_end.wav", &s ); ent->soundPos1 = G_SoundIndex( s ); VectorClear( ent->s.angles ); G_SpawnFloat( "speed", "200", &ent->speed ); G_SpawnInt( "dmg", "2", &ent->damage ); G_SpawnFloat( "wait", "1", &ent->wait ); G_SpawnFloat( "lip", "8", &lip ); ent->wait = 1000; // create second position trap_SetBrushModel( ent, ent->model ); if( !G_SpawnFloat( "height", "0", &height ) ) height = ( ent->r.maxs[ 2 ] - ent->r.mins[ 2 ] ) - lip; // pos1 is the rest (bottom) position, pos2 is the top VectorCopy( ent->s.origin, ent->pos2 ); VectorCopy( ent->pos2, ent->pos1 ); ent->pos1[ 2 ] -= height; InitMover( ent ); // touch function keeps the plat from returning while // a live player is standing on it ent->touch = Touch_Plat; ent->blocked = Blocked_Door; ent->parent = ent; // so it can be treated as a door // spawn the trigger if one hasn't been custom made if( !ent->targetname ) SpawnPlatTrigger( ent ); } /* =============================================================================== BUTTON =============================================================================== */ /* ============== Touch_Button =============== */ void Touch_Button( gentity_t *ent, gentity_t *other, trace_t *trace ) { if( !other->client ) return; if( ent->moverState == MOVER_POS1 ) Use_BinaryMover( ent, other, other ); } /*QUAKED func_button (0 .5 .8) ? When a button is touched, it moves some distance in the direction of its angle, triggers all of its targets, waits some time, then returns to its original position where it can be triggered again. "model2" .md3 model to also draw "angle" determines the opening direction "target" all entities with a matching targetname will be used "speed" override the default 40 speed "wait" override the default 1 second wait (-1 = never return) "lip" override the default 4 pixel lip remaining at end of move "health" if set, the button must be killed instead of touched "color" constantLight color "light" constantLight radius */ void SP_func_button( gentity_t *ent ) { vec3_t abs_movedir; float distance; vec3_t size; float lip; char *s; G_SpawnString( "sound1to2", "sound/movers/switches/button1.wav", &s ); ent->sound1to2 = G_SoundIndex( s ); if( !ent->speed ) ent->speed = 40; if( !ent->wait ) ent->wait = 1; ent->wait *= 1000; // first position VectorCopy( ent->s.origin, ent->pos1 ); // calculate second position trap_SetBrushModel( ent, ent->model ); G_SpawnFloat( "lip", "4", &lip ); G_SetMovedir( ent->s.angles, ent->movedir ); abs_movedir[ 0 ] = fabs( ent->movedir[ 0 ] ); abs_movedir[ 1 ] = fabs( ent->movedir[ 1 ] ); abs_movedir[ 2 ] = fabs( ent->movedir[ 2 ] ); VectorSubtract( ent->r.maxs, ent->r.mins, size ); distance = abs_movedir[ 0 ] * size[ 0 ] + abs_movedir[ 1 ] * size[ 1 ] + abs_movedir[ 2 ] * size[ 2 ] - lip; VectorMA( ent->pos1, distance, ent->movedir, ent->pos2 ); if( ent->health ) { // shootable button ent->takedamage = qtrue; } else { // touchable button ent->touch = Touch_Button; } InitMover( ent ); } /* =============================================================================== TRAIN =============================================================================== */ #define TRAIN_START_OFF 1 #define TRAIN_BLOCK_STOPS 2 /* =============== Think_BeginMoving The wait time at a corner has completed, so start moving again =============== */ void Think_BeginMoving( gentity_t *ent ) { ent->s.pos.trTime = level.time; ent->s.pos.trType = TR_LINEAR_STOP; } /* =============== Reached_Train =============== */ void Reached_Train( gentity_t *ent ) { gentity_t *next; float speed; vec3_t move; float length; // copy the apropriate values next = ent->nextTrain; if( !next || !next->nextTrain ) return; // just stop // fire all other targets G_UseTargets( next, NULL ); // set the new trajectory ent->nextTrain = next->nextTrain; VectorCopy( next->s.origin, ent->pos1 ); VectorCopy( next->nextTrain->s.origin, ent->pos2 ); // if the path_corner has a speed, use that if( next->speed ) { speed = next->speed; } else { // otherwise use the train's speed speed = ent->speed; } if( speed < 1 ) speed = 1; ent->lastSpeed = speed; // calculate duration VectorSubtract( ent->pos2, ent->pos1, move ); length = VectorLength( move ); ent->s.pos.trDuration = length * 1000 / speed; // Be sure to send to clients after any fast move case ent->r.svFlags &= ~SVF_NOCLIENT; // Fast move case if( ent->s.pos.trDuration < 1 ) { // As trDuration is used later in a division, we need to avoid that case now ent->s.pos.trDuration = 1; // Don't send entity to clients so it becomes really invisible ent->r.svFlags |= SVF_NOCLIENT; } // looping sound ent->s.loopSound = next->soundLoop; // start it going SetMoverState( ent, MOVER_1TO2, level.time ); if( ent->spawnflags & TRAIN_START_OFF ) { ent->s.pos.trType = TR_STATIONARY; return; } // if there is a "wait" value on the target, don't start moving yet if( next->wait ) { ent->nextthink = level.time + next->wait * 1000; ent->think = Think_BeginMoving; ent->s.pos.trType = TR_STATIONARY; } } /* ================ Start_Train ================ */ void Start_Train( gentity_t *ent, gentity_t *other, gentity_t *activator ) { vec3_t move; //recalculate duration as the mover is highly //unlikely to be right on a path_corner VectorSubtract( ent->pos2, ent->pos1, move ); ent->s.pos.trDuration = VectorLength( move ) * 1000 / ent->lastSpeed; SetMoverState( ent, MOVER_1TO2, level.time ); ent->spawnflags &= ~TRAIN_START_OFF; } /* ================ Stop_Train ================ */ void Stop_Train( gentity_t *ent, gentity_t *other, gentity_t *activator ) { vec3_t origin; //get current origin BG_EvaluateTrajectory( &ent->s.pos, level.time, origin ); VectorCopy( origin, ent->pos1 ); SetMoverState( ent, MOVER_POS1, level.time ); ent->spawnflags |= TRAIN_START_OFF; } /* ================ Use_Train ================ */ void Use_Train( gentity_t *ent, gentity_t *other, gentity_t *activator ) { if( ent->spawnflags & TRAIN_START_OFF ) { //train is currently not moving so start it Start_Train( ent, other, activator ); } else { //train is moving so stop it Stop_Train( ent, other, activator ); } } /* =============== Think_SetupTrainTargets Link all the corners together =============== */ void Think_SetupTrainTargets( gentity_t *ent ) { gentity_t *path, *next, *start; ent->nextTrain = G_Find( NULL, FOFS( targetname ), ent->target ); if( !ent->nextTrain ) { G_Printf( "func_train at %s with an unfound target\n", vtos( ent->r.absmin ) ); return; } start = NULL; for( path = ent->nextTrain; path != start; path = next ) { if( !start ) start = path; if( !path->target ) { G_Printf( "Train corner at %s without a target\n", vtos( path->s.origin ) ); return; } // find a path_corner among the targets // there may also be other targets that get fired when the corner // is reached next = NULL; do { next = G_Find( next, FOFS( targetname ), path->target ); if( !next ) { G_Printf( "Train corner at %s without a target path_corner\n", vtos( path->s.origin ) ); return; } } while( strcmp( next->classname, "path_corner" ) ); path->nextTrain = next; } // start the train moving from the first corner Reached_Train( ent ); } /*QUAKED path_corner (.5 .3 0) (-8 -8 -8) (8 8 8) Train path corners. Target: next path corner and other targets to fire "speed" speed to move to the next corner "wait" seconds to wait before behining move to next corner */ void SP_path_corner( gentity_t *self ) { if( !self->targetname ) { G_Printf( "path_corner with no targetname at %s\n", vtos( self->s.origin ) ); G_FreeEntity( self ); return; } // path corners don't need to be linked in } /* ================ Blocked_Train ================ */ void Blocked_Train( gentity_t *self, gentity_t *other ) { if( self->spawnflags & TRAIN_BLOCK_STOPS ) Stop_Train( self, other, other ); else { if( !other->client ) { //whatever is blocking the train isn't a client //KILL!!1!!! G_Damage( other, self, self, NULL, NULL, 10000, 0, MOD_CRUSH ); //buildables need to be handled differently since even when //dealth fatal amounts of damage they won't instantly become non-solid if( other->s.eType == ET_BUILDABLE && other->spawned ) { vec3_t dir; gentity_t *tent; if( other->buildableTeam == TEAM_ALIENS ) { VectorCopy( other->s.origin2, dir ); tent = G_TempEntity( other->s.origin, EV_ALIEN_BUILDABLE_EXPLOSION ); tent->s.eventParm = DirToByte( dir ); } else if( other->buildableTeam == TEAM_HUMANS ) { VectorSet( dir, 0.0f, 0.0f, 1.0f ); tent = G_TempEntity( other->s.origin, EV_HUMAN_BUILDABLE_EXPLOSION ); tent->s.eventParm = DirToByte( dir ); } } //if it's still around free it if( other ) G_FreeEntity( other ); return; } G_Damage( other, self, self, NULL, NULL, 10000, 0, MOD_CRUSH ); } } /*QUAKED func_train (0 .5 .8) ? START_ON TOGGLE BLOCK_STOPS A train is a mover that moves between path_corner target points. Trains MUST HAVE AN ORIGIN BRUSH. The train spawns at the first target it is pointing at. "model2" .md3 model to also draw "speed" default 100 "dmg" default 2 "noise" looping sound to play when the train is in motion "target" next path corner "color" constantLight color "light" constantLight radius */ void SP_func_train( gentity_t *self ) { VectorClear( self->s.angles ); if( self->spawnflags & TRAIN_BLOCK_STOPS ) self->damage = 0; else if( !self->damage ) self->damage = 2; if( !self->speed ) self->speed = 100; if( !self->target ) { G_Printf( "func_train without a target at %s\n", vtos( self->r.absmin ) ); G_FreeEntity( self ); return; } trap_SetBrushModel( self, self->model ); InitMover( self ); self->reached = Reached_Train; self->use = Use_Train; self->blocked = Blocked_Train; // start trains on the second frame, to make sure their targets have had // a chance to spawn self->nextthink = level.time + FRAMETIME; self->think = Think_SetupTrainTargets; } /* =============================================================================== STATIC =============================================================================== */ /*QUAKED func_static (0 .5 .8) ? A bmodel that just sits there, doing nothing. Can be used for conditional walls and models. "model2" .md3 model to also draw "color" constantLight color "light" constantLight radius */ void SP_func_static( gentity_t *ent ) { trap_SetBrushModel( ent, ent->model ); InitMover( ent ); VectorCopy( ent->s.origin, ent->s.pos.trBase ); VectorCopy( ent->s.origin, ent->r.currentOrigin ); } /* =============================================================================== ROTATING =============================================================================== */ /*QUAKED func_rotating (0 .5 .8) ? START_ON - X_AXIS Y_AXIS You need to have an origin brush as part of this entity. The center of that brush will be the point around which it is rotated. It will rotate around the Z axis by default. You can check either the X_AXIS or Y_AXIS box to change that. "model2" .md3 model to also draw "speed" determines how fast it moves; default value is 100. "dmg" damage to inflict when blocked (2 default) "color" constantLight color "light" constantLight radius */ void SP_func_rotating( gentity_t *ent ) { if( !ent->speed ) ent->speed = 100; // set the axis of rotation ent->s.apos.trType = TR_LINEAR; if( ent->spawnflags & 4 ) ent->s.apos.trDelta[ 2 ] = ent->speed; else if( ent->spawnflags & 8 ) ent->s.apos.trDelta[ 0 ] = ent->speed; else ent->s.apos.trDelta[ 1 ] = ent->speed; if( !ent->damage ) ent->damage = 2; trap_SetBrushModel( ent, ent->model ); InitMover( ent ); VectorCopy( ent->s.origin, ent->s.pos.trBase ); VectorCopy( ent->s.pos.trBase, ent->r.currentOrigin ); VectorCopy( ent->s.apos.trBase, ent->r.currentAngles ); trap_LinkEntity( ent ); } /* =============================================================================== BOBBING =============================================================================== */ /*QUAKED func_bobbing (0 .5 .8) ? X_AXIS Y_AXIS Normally bobs on the Z axis "model2" .md3 model to also draw "height" amplitude of bob (32 default) "speed" seconds to complete a bob cycle (4 default) "phase" the 0.0 to 1.0 offset in the cycle to start at "dmg" damage to inflict when blocked (2 default) "color" constantLight color "light" constantLight radius */ void SP_func_bobbing( gentity_t *ent ) { float height; float phase; G_SpawnFloat( "speed", "4", &ent->speed ); G_SpawnFloat( "height", "32", &height ); G_SpawnInt( "dmg", "2", &ent->damage ); G_SpawnFloat( "phase", "0", &phase ); trap_SetBrushModel( ent, ent->model ); InitMover( ent ); VectorCopy( ent->s.origin, ent->s.pos.trBase ); VectorCopy( ent->s.origin, ent->r.currentOrigin ); ent->s.pos.trDuration = ent->speed * 1000; ent->s.pos.trTime = ent->s.pos.trDuration * phase; ent->s.pos.trType = TR_SINE; // set the axis of bobbing if( ent->spawnflags & 1 ) ent->s.pos.trDelta[ 0 ] = height; else if( ent->spawnflags & 2 ) ent->s.pos.trDelta[ 1 ] = height; else ent->s.pos.trDelta[ 2 ] = height; } /* =============================================================================== PENDULUM =============================================================================== */ /*QUAKED func_pendulum (0 .5 .8) ? You need to have an origin brush as part of this entity. Pendulums always swing north / south on unrotated models. Add an angles field to the model to allow rotation in other directions. Pendulum frequency is a physical constant based on the length of the beam and gravity. "model2" .md3 model to also draw "speed" the number of degrees each way the pendulum swings, (30 default) "phase" the 0.0 to 1.0 offset in the cycle to start at "dmg" damage to inflict when blocked (2 default) "color" constantLight color "light" constantLight radius */ void SP_func_pendulum( gentity_t *ent ) { float freq; float length; float phase; float speed; G_SpawnFloat( "speed", "30", &speed ); G_SpawnInt( "dmg", "2", &ent->damage ); G_SpawnFloat( "phase", "0", &phase ); trap_SetBrushModel( ent, ent->model ); // find pendulum length length = fabs( ent->r.mins[ 2 ] ); if( length < 8 ) length = 8; freq = 1 / ( M_PI * 2 ) * sqrt( g_gravity.value / ( 3 * length ) ); ent->s.pos.trDuration = ( 1000 / freq ); InitMover( ent ); VectorCopy( ent->s.origin, ent->s.pos.trBase ); VectorCopy( ent->s.origin, ent->r.currentOrigin ); VectorCopy( ent->s.angles, ent->s.apos.trBase ); ent->s.apos.trDuration = 1000 / freq; ent->s.apos.trTime = ent->s.apos.trDuration * phase; ent->s.apos.trType = TR_SINE; ent->s.apos.trDelta[ 2 ] = speed; }