doom3-bfg/neo/d3xp/AFEntity.cpp

/*
===========================================================================

Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.

This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").

Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#include "../idlib/precompiled.h"
#pragma hdrstop

#include "Game_local.h"


/*
===============================================================================

  idMultiModelAF

===============================================================================
*/

CLASS_DECLARATION( idEntity, idMultiModelAF )
END_CLASS

/*
================
idMultiModelAF::Spawn
================
*/
void idMultiModelAF::Spawn()
{
	physicsObj.SetSelf( this );
}

/*
================
idMultiModelAF::~idMultiModelAF
================
*/
idMultiModelAF::~idMultiModelAF()
{
	int i;
	
	for( i = 0; i < modelDefHandles.Num(); i++ )
	{
		if( modelDefHandles[i] != -1 )
		{
			gameRenderWorld->FreeEntityDef( modelDefHandles[i] );
			modelDefHandles[i] = -1;
		}
	}
}

/*
================
idMultiModelAF::SetModelForId
================
*/
void idMultiModelAF::SetModelForId( int id, const idStr& modelName )
{
	modelHandles.AssureSize( id + 1, NULL );
	modelDefHandles.AssureSize( id + 1, -1 );
	modelHandles[id] = renderModelManager->FindModel( modelName );
}

/*
================
idMultiModelAF::Present
================
*/
void idMultiModelAF::Present()
{
	int i;
	
	// don't present to the renderer if the entity hasn't changed
	if( !( thinkFlags & TH_UPDATEVISUALS ) )
	{
		return;
	}
	BecomeInactive( TH_UPDATEVISUALS );
	
	for( i = 0; i < modelHandles.Num(); i++ )
	{
	
		if( !modelHandles[i] )
		{
			continue;
		}
		
		renderEntity.origin = physicsObj.GetOrigin( i );
		renderEntity.axis = physicsObj.GetAxis( i );
		renderEntity.hModel = modelHandles[i];
		renderEntity.bodyId = i;
		
		// add to refresh list
		if( modelDefHandles[i] == -1 )
		{
			modelDefHandles[i] = gameRenderWorld->AddEntityDef( &renderEntity );
		}
		else
		{
			gameRenderWorld->UpdateEntityDef( modelDefHandles[i], &renderEntity );
		}
	}
}

/*
================
idMultiModelAF::Think
================
*/
void idMultiModelAF::Think()
{
	RunPhysics();
	Present();
}


/*
===============================================================================

  idChain

===============================================================================
*/

CLASS_DECLARATION( idMultiModelAF, idChain )
END_CLASS

/*
================
idChain::BuildChain

  builds a chain hanging down from the ceiling
  the highest link is a child of the link below it etc.
  this allows an object to be attached to multiple chains while keeping a single tree structure
================
*/
void idChain::BuildChain( const idStr& name, const idVec3& origin, float linkLength, float linkWidth, float density, int numLinks, bool bindToWorld )
{
	int i;
	float halfLinkLength = linkLength * 0.5f;
	idTraceModel trm;
	idClipModel* clip;
	idAFBody* body, *lastBody;
	idAFConstraint_BallAndSocketJoint* bsj;
	idAFConstraint_UniversalJoint* uj;
	idVec3 org;
	
	// create a trace model
	trm = idTraceModel( linkLength, linkWidth );
	trm.Translate( -trm.offset );
	
	org = origin - idVec3( 0, 0, halfLinkLength );
	
	lastBody = NULL;
	for( i = 0; i < numLinks; i++ )
	{
	
		// add body
		clip = new( TAG_PHYSICS_CLIP_AF ) idClipModel( trm );
		clip->SetContents( CONTENTS_SOLID );
		clip->Link( gameLocal.clip, this, 0, org, mat3_identity );
		body = new( TAG_PHYSICS_AF ) idAFBody( name + idStr( i ), clip, density );
		physicsObj.AddBody( body );
		
		// visual model for body
		SetModelForId( physicsObj.GetBodyId( body ), spawnArgs.GetString( "model" ) );
		
		// add constraint
		if( bindToWorld )
		{
			if( !lastBody )
			{
				uj = new( TAG_PHYSICS_AF ) idAFConstraint_UniversalJoint( name + idStr( i ), body, lastBody );
				uj->SetShafts( idVec3( 0, 0, -1 ), idVec3( 0, 0, 1 ) );
				//uj->SetConeLimit( idVec3( 0, 0, -1 ), 30.0f );
				//uj->SetPyramidLimit( idVec3( 0, 0, -1 ), idVec3( 1, 0, 0 ), 90.0f, 30.0f );
			}
			else
			{
				uj = new( TAG_PHYSICS_AF ) idAFConstraint_UniversalJoint( name + idStr( i ), lastBody, body );
				uj->SetShafts( idVec3( 0, 0, 1 ), idVec3( 0, 0, -1 ) );
				//uj->SetConeLimit( idVec3( 0, 0, 1 ), 30.0f );
			}
			uj->SetAnchor( org + idVec3( 0, 0, halfLinkLength ) );
			uj->SetFriction( 0.9f );
			physicsObj.AddConstraint( uj );
		}
		else
		{
			if( lastBody )
			{
				bsj = new( TAG_PHYSICS_AF ) idAFConstraint_BallAndSocketJoint( "joint" + idStr( i ), lastBody, body );
				bsj->SetAnchor( org + idVec3( 0, 0, halfLinkLength ) );
				bsj->SetConeLimit( idVec3( 0, 0, 1 ), 60.0f, idVec3( 0, 0, 1 ) );
				physicsObj.AddConstraint( bsj );
			}
		}
		
		org[2] -= linkLength;
		
		lastBody = body;
	}
}

/*
================
idChain::Spawn
================
*/
void idChain::Spawn()
{
	int numLinks;
	float length, linkLength, linkWidth, density;
	bool drop;
	idVec3 origin;
	
	spawnArgs.GetBool( "drop", "0", drop );
	spawnArgs.GetInt( "links", "3", numLinks );
	spawnArgs.GetFloat( "length", idStr( numLinks * 32.0f ), length );
	spawnArgs.GetFloat( "width", "8", linkWidth );
	spawnArgs.GetFloat( "density", "0.2", density );
	linkLength = length / numLinks;
	origin = GetPhysics()->GetOrigin();
	
	// initialize physics
	physicsObj.SetSelf( this );
	physicsObj.SetGravity( gameLocal.GetGravity() );
	physicsObj.SetClipMask( MASK_SOLID | CONTENTS_BODY );
	SetPhysics( &physicsObj );
	
	BuildChain( "link", origin, linkLength, linkWidth, density, numLinks, !drop );
}

/*
===============================================================================

  idAFAttachment

===============================================================================
*/

CLASS_DECLARATION( idAnimatedEntity, idAFAttachment )
END_CLASS

/*
=====================
idAFAttachment::idAFAttachment
=====================
*/
idAFAttachment::idAFAttachment()
{
	body			= NULL;
	combatModel		= NULL;
	idleAnim		= 0;
	attachJoint		= INVALID_JOINT;
}

/*
=====================
idAFAttachment::~idAFAttachment
=====================
*/
idAFAttachment::~idAFAttachment()
{

	StopSound( SND_CHANNEL_ANY, false );
	
	delete combatModel;
	combatModel = NULL;
}

/*
=====================
idAFAttachment::Spawn
=====================
*/
void idAFAttachment::Spawn()
{
	idleAnim = animator.GetAnim( "idle" );
}

/*
=====================
idAFAttachment::SetBody
=====================
*/
void idAFAttachment::SetBody( idEntity* bodyEnt, const char* model, jointHandle_t attachJoint )
{
	bool bleed;
	
	body = bodyEnt;
	this->attachJoint = attachJoint;
	SetModel( model );
	fl.takedamage = true;
	
	bleed = body->spawnArgs.GetBool( "bleed" );
	spawnArgs.SetBool( "bleed", bleed );
}

/*
=====================
idAFAttachment::ClearBody
=====================
*/
void idAFAttachment::ClearBody()
{
	body = NULL;
	attachJoint = INVALID_JOINT;
	Hide();
}

/*
=====================
idAFAttachment::GetBody
=====================
*/
idEntity* idAFAttachment::GetBody() const
{
	return body;
}

/*
================
idAFAttachment::Save

archive object for savegame file
================
*/
void idAFAttachment::Save( idSaveGame* savefile ) const
{
	savefile->WriteObject( body );
	savefile->WriteInt( idleAnim );
	savefile->WriteJoint( attachJoint );
}

/*
================
idAFAttachment::Restore

unarchives object from save game file
================
*/
void idAFAttachment::Restore( idRestoreGame* savefile )
{
	savefile->ReadObject( reinterpret_cast<idClass*&>( body ) );
	savefile->ReadInt( idleAnim );
	savefile->ReadJoint( attachJoint );
	
	SetCombatModel();
	LinkCombat();
}

/*
================
idAFAttachment::Hide
================
*/
void idAFAttachment::Hide()
{
	idEntity::Hide();
	UnlinkCombat();
}

/*
================
idAFAttachment::Show
================
*/
void idAFAttachment::Show()
{
	idEntity::Show();
	LinkCombat();
}

/*
============
idAFAttachment::Damage

Pass damage to body at the bindjoint
============
*/
void idAFAttachment::Damage( idEntity* inflictor, idEntity* attacker, const idVec3& dir,
							 const char* damageDefName, const float damageScale, const int location )
{

	if( body )
	{
		body->Damage( inflictor, attacker, dir, damageDefName, damageScale, attachJoint );
	}
}

/*
================
idAFAttachment::AddDamageEffect
================
*/
void idAFAttachment::AddDamageEffect( const trace_t& collision, const idVec3& velocity, const char* damageDefName )
{
	if( body )
	{
		trace_t c = collision;
		c.c.id = JOINT_HANDLE_TO_CLIPMODEL_ID( attachJoint );
		body->AddDamageEffect( c, velocity, damageDefName );
	}
}

/*
================
idAFAttachment::GetImpactInfo
================
*/
void idAFAttachment::GetImpactInfo( idEntity* ent, int id, const idVec3& point, impactInfo_t* info )
{
	if( body )
	{
		body->GetImpactInfo( ent, JOINT_HANDLE_TO_CLIPMODEL_ID( attachJoint ), point, info );
	}
	else
	{
		idEntity::GetImpactInfo( ent, id, point, info );
	}
}

/*
================
idAFAttachment::ApplyImpulse
================
*/
void idAFAttachment::ApplyImpulse( idEntity* ent, int id, const idVec3& point, const idVec3& impulse )
{
	if( body )
	{
		body->ApplyImpulse( ent, JOINT_HANDLE_TO_CLIPMODEL_ID( attachJoint ), point, impulse );
	}
	else
	{
		idEntity::ApplyImpulse( ent, id, point, impulse );
	}
}

/*
================
idAFAttachment::AddForce
================
*/
void idAFAttachment::AddForce( idEntity* ent, int id, const idVec3& point, const idVec3& force )
{
	if( body )
	{
		body->AddForce( ent, JOINT_HANDLE_TO_CLIPMODEL_ID( attachJoint ), point, force );
	}
	else
	{
		idEntity::AddForce( ent, id, point, force );
	}
}

/*
================
idAFAttachment::PlayIdleAnim
================
*/
void idAFAttachment::PlayIdleAnim( int blendTime )
{
	if( idleAnim && ( idleAnim != animator.CurrentAnim( ANIMCHANNEL_ALL )->AnimNum() ) )
	{
		animator.CycleAnim( ANIMCHANNEL_ALL, idleAnim, gameLocal.time, blendTime );
	}
}

/*
================
idAfAttachment::Think
================
*/
void idAFAttachment::Think()
{
	idAnimatedEntity::Think();
	if( thinkFlags & TH_UPDATEPARTICLES )
	{
		UpdateDamageEffects();
	}
}

/*
================
idAFAttachment::SetCombatModel
================
*/
void idAFAttachment::SetCombatModel()
{
	if( combatModel )
	{
		combatModel->Unlink();
		combatModel->LoadModel( modelDefHandle );
	}
	else
	{
		combatModel = new( TAG_PHYSICS_CLIP_AF ) idClipModel( modelDefHandle );
	}
	combatModel->SetOwner( body );
}

/*
================
idAFAttachment::GetCombatModel
================
*/
idClipModel* idAFAttachment::GetCombatModel() const
{
	return combatModel;
}

/*
================
idAFAttachment::LinkCombat
================
*/
void idAFAttachment::LinkCombat()
{
	if( fl.hidden )
	{
		return;
	}
	
	if( combatModel )
	{
		combatModel->Link( gameLocal.clip, this, 0, renderEntity.origin, renderEntity.axis, modelDefHandle );
	}
}

/*
================
idAFAttachment::UnlinkCombat
================
*/
void idAFAttachment::UnlinkCombat()
{
	if( combatModel )
	{
		combatModel->Unlink();
	}
}


/*
===============================================================================

  idAFEntity_Base

===============================================================================
*/

const idEventDef EV_SetConstraintPosition( "SetConstraintPosition", "sv" );

CLASS_DECLARATION( idAnimatedEntity, idAFEntity_Base )
EVENT( EV_SetConstraintPosition,	idAFEntity_Base::Event_SetConstraintPosition )
END_CLASS

static const float BOUNCE_SOUND_MIN_VELOCITY	= 80.0f;
static const float BOUNCE_SOUND_MAX_VELOCITY	= 200.0f;

/*
================
idAFEntity_Base::idAFEntity_Base
================
*/
idAFEntity_Base::idAFEntity_Base()
{
	combatModel = NULL;
	combatModelContents = 0;
	nextSoundTime = 0;
	spawnOrigin.Zero();
	spawnAxis.Identity();
}

/*
================
idAFEntity_Base::~idAFEntity_Base
================
*/
idAFEntity_Base::~idAFEntity_Base()
{
	delete combatModel;
	combatModel = NULL;
}

/*
================
idAFEntity_Base::Save
================
*/
void idAFEntity_Base::Save( idSaveGame* savefile ) const
{
	savefile->WriteInt( combatModelContents );
	savefile->WriteClipModel( combatModel );
	savefile->WriteVec3( spawnOrigin );
	savefile->WriteMat3( spawnAxis );
	savefile->WriteInt( nextSoundTime );
	af.Save( savefile );
}

/*
================
idAFEntity_Base::Restore
================
*/
void idAFEntity_Base::Restore( idRestoreGame* savefile )
{
	savefile->ReadInt( combatModelContents );
	savefile->ReadClipModel( combatModel );
	savefile->ReadVec3( spawnOrigin );
	savefile->ReadMat3( spawnAxis );
	savefile->ReadInt( nextSoundTime );
	LinkCombat();
	
	af.Restore( savefile );
}

/*
================
idAFEntity_Base::Spawn
================
*/
void idAFEntity_Base::Spawn()
{
	spawnOrigin = GetPhysics()->GetOrigin();
	spawnAxis = GetPhysics()->GetAxis();
	nextSoundTime = 0;
}

/*
================
idAFEntity_Base::LoadAF
================
*/
bool idAFEntity_Base::LoadAF()
{
	idStr fileName;
	
	if( !spawnArgs.GetString( "articulatedFigure", "*unknown*", fileName ) )
	{
		return false;
	}
	
	af.SetAnimator( GetAnimator() );
	if( !af.Load( this, fileName ) )
	{
		gameLocal.Error( "idAFEntity_Base::LoadAF: Couldn't load af file '%s' on entity '%s'", fileName.c_str(), name.c_str() );
	}
	float mass = spawnArgs.GetFloat( "mass", "-1" );
	if( mass > 0.0f )
	{
		af.GetPhysics()->SetMass( mass );
	}
	
	af.Start();
	
	af.GetPhysics()->Rotate( spawnAxis.ToRotation() );
	af.GetPhysics()->Translate( spawnOrigin );
	
	LoadState( spawnArgs );
	
	af.UpdateAnimation();
	animator.CreateFrame( gameLocal.time, true );
	UpdateVisuals();
	
	return true;
}

/*
================
idAFEntity_Base::Think
================
*/
void idAFEntity_Base::Think()
{
	RunPhysics();
	UpdateAnimation();
	if( thinkFlags & TH_UPDATEVISUALS )
	{
		Present();
		LinkCombat();
	}
}

/*
================
idAFEntity_Base::BodyForClipModelId
================
*/
int idAFEntity_Base::BodyForClipModelId( int id ) const
{
	return af.BodyForClipModelId( id );
}

/*
================
idAFEntity_Base::SaveState
================
*/
void idAFEntity_Base::SaveState( idDict& args ) const
{
	const idKeyValue* kv;
	
	// save the ragdoll pose
	af.SaveState( args );
	
	// save all the bind constraints
	kv = spawnArgs.MatchPrefix( "bindConstraint ", NULL );
	while( kv )
	{
		args.Set( kv->GetKey(), kv->GetValue() );
		kv = spawnArgs.MatchPrefix( "bindConstraint ", kv );
	}
	
	// save the bind if it exists
	kv = spawnArgs.FindKey( "bind" );
	if( kv )
	{
		args.Set( kv->GetKey(), kv->GetValue() );
	}
	kv = spawnArgs.FindKey( "bindToJoint" );
	if( kv )
	{
		args.Set( kv->GetKey(), kv->GetValue() );
	}
	kv = spawnArgs.FindKey( "bindToBody" );
	if( kv )
	{
		args.Set( kv->GetKey(), kv->GetValue() );
	}
}

/*
================
idAFEntity_Base::LoadState
================
*/
void idAFEntity_Base::LoadState( const idDict& args )
{
	af.LoadState( args );
}

/*
================
idAFEntity_Base::AddBindConstraints
================
*/
void idAFEntity_Base::AddBindConstraints()
{
	af.AddBindConstraints();
}

/*
================
idAFEntity_Base::RemoveBindConstraints
================
*/
void idAFEntity_Base::RemoveBindConstraints()
{
	af.RemoveBindConstraints();
}

/*
================
idAFEntity_Base::AddDamageEffect
================
*/
void idAFEntity_Base::AddDamageEffect( const trace_t& collision, const idVec3& velocity, const char* damageDefName )
{
	idAnimatedEntity::AddDamageEffect( collision, velocity, damageDefName );
}

/*
================
idAFEntity_Base::GetImpactInfo
================
*/
void idAFEntity_Base::GetImpactInfo( idEntity* ent, int id, const idVec3& point, impactInfo_t* info )
{
	if( af.IsActive() )
	{
		af.GetImpactInfo( ent, id, point, info );
	}
	else
	{
		idEntity::GetImpactInfo( ent, id, point, info );
	}
}

/*
================
idAFEntity_Base::ApplyImpulse
================
*/
void idAFEntity_Base::ApplyImpulse( idEntity* ent, int id, const idVec3& point, const idVec3& impulse )
{
	if( af.IsLoaded() )
	{
		af.ApplyImpulse( ent, id, point, impulse );
	}
	if( !af.IsActive() )
	{
		idEntity::ApplyImpulse( ent, id, point, impulse );
	}
}

/*
================
idAFEntity_Base::AddForce
================
*/
void idAFEntity_Base::AddForce( idEntity* ent, int id, const idVec3& point, const idVec3& force )
{
	if( af.IsLoaded() )
	{
		af.AddForce( ent, id, point, force );
	}
	if( !af.IsActive() )
	{
		idEntity::AddForce( ent, id, point, force );
	}
}

/*
================
idAFEntity_Base::Collide
================
*/
bool idAFEntity_Base::Collide( const trace_t& collision, const idVec3& velocity )
{
	float v, f;
	
	if( af.IsActive() )
	{
		v = -( velocity * collision.c.normal );
		if( v > BOUNCE_SOUND_MIN_VELOCITY && gameLocal.time > nextSoundTime )
		{
			f = v > BOUNCE_SOUND_MAX_VELOCITY ? 1.0f : idMath::Sqrt( v - BOUNCE_SOUND_MIN_VELOCITY ) * ( 1.0f / idMath::Sqrt( BOUNCE_SOUND_MAX_VELOCITY - BOUNCE_SOUND_MIN_VELOCITY ) );
			if( StartSound( "snd_bounce", SND_CHANNEL_ANY, 0, false, NULL ) )
			{
				// don't set the volume unless there is a bounce sound as it overrides the entire channel
				// which causes footsteps on ai's to not honor their shader parms
				SetSoundVolume( f );
			}
			nextSoundTime = gameLocal.time + 500;
		}
	}
	
	return false;
}

/*
================
idAFEntity_Base::GetPhysicsToVisualTransform
================
*/
bool idAFEntity_Base::GetPhysicsToVisualTransform( idVec3& origin, idMat3& axis )
{
	if( af.IsActive() )
	{
		af.GetPhysicsToVisualTransform( origin, axis );
		return true;
	}
	return idEntity::GetPhysicsToVisualTransform( origin, axis );
}

/*
================
idAFEntity_Base::UpdateAnimationControllers
================
*/
bool idAFEntity_Base::UpdateAnimationControllers()
{
	if( af.IsActive() )
	{
		if( af.UpdateAnimation() )
		{
			return true;
		}
	}
	return false;
}

/*
================
idAFEntity_Base::SetCombatModel
================
*/
void idAFEntity_Base::SetCombatModel()
{
	if( combatModel )
	{
		combatModel->Unlink();
		combatModel->LoadModel( modelDefHandle );
	}
	else
	{
		combatModel = new( TAG_PHYSICS_CLIP_AF ) idClipModel( modelDefHandle );
	}
}

/*
================
idAFEntity_Base::GetCombatModel
================
*/
idClipModel* idAFEntity_Base::GetCombatModel() const
{
	return combatModel;
}

/*
================
idAFEntity_Base::SetCombatContents
================
*/
void idAFEntity_Base::SetCombatContents( bool enable )
{
	assert( combatModel );
	if( enable && combatModelContents )
	{
		assert( !combatModel->GetContents() );
		combatModel->SetContents( combatModelContents );
		combatModelContents = 0;
	}
	else if( !enable && combatModel->GetContents() )
	{
		assert( !combatModelContents );
		combatModelContents = combatModel->GetContents();
		combatModel->SetContents( 0 );
	}
}

/*
================
idAFEntity_Base::LinkCombat
================
*/
void idAFEntity_Base::LinkCombat()
{
	if( fl.hidden )
	{
		return;
	}
	if( combatModel )
	{
		combatModel->Link( gameLocal.clip, this, 0, renderEntity.origin, renderEntity.axis, modelDefHandle );
	}
}

/*
================
idAFEntity_Base::UnlinkCombat
================
*/
void idAFEntity_Base::UnlinkCombat()
{
	if( combatModel )
	{
		combatModel->Unlink();
	}
}

/*
================
idAFEntity_Base::FreeModelDef
================
*/
void idAFEntity_Base::FreeModelDef()
{
	UnlinkCombat();
	idEntity::FreeModelDef();
}

/*
===============
idAFEntity_Base::ShowEditingDialog
===============
*/
void idAFEntity_Base::ShowEditingDialog()
{
}

/*
================
idAFEntity_Base::DropAFs

  The entity should have the following key/value pairs set:
	"def_drop<type>AF"		"af def"
	"drop<type>Skin"		"skin name"
  To drop multiple articulated figures the following key/value pairs can be used:
	"def_drop<type>AF*"		"af def"
  where * is an aribtrary string.
================
*/
void idAFEntity_Base::DropAFs( idEntity* ent, const char* type, idList<idEntity*>* list )
{
	const idKeyValue* kv;
	const char* skinName;
	idEntity* newEnt;
	idAFEntity_Base* af;
	idDict args;
	const idDeclSkin* skin;
	
	// drop the articulated figures
	kv = ent->spawnArgs.MatchPrefix( va( "def_drop%sAF", type ), NULL );
	while( kv )
	{
	
		args.Set( "classname", kv->GetValue() );
		gameLocal.SpawnEntityDef( args, &newEnt );
		
		if( newEnt && newEnt->IsType( idAFEntity_Base::Type ) )
		{
			af = static_cast<idAFEntity_Base*>( newEnt );
			af->GetPhysics()->SetOrigin( ent->GetPhysics()->GetOrigin() );
			af->GetPhysics()->SetAxis( ent->GetPhysics()->GetAxis() );
			af->af.SetupPose( ent, gameLocal.time );
			if( list )
			{
				list->Append( af );
			}
		}
		
		kv = ent->spawnArgs.MatchPrefix( va( "def_drop%sAF", type ), kv );
	}
	
	// change the skin to hide all the dropped articulated figures
	skinName = ent->spawnArgs.GetString( va( "skin_drop%s", type ) );
	if( skinName[0] )
	{
		skin = declManager->FindSkin( skinName );
		ent->SetSkin( skin );
	}
}

/*
================
idAFEntity_Base::Event_SetConstraintPosition
================
*/
void idAFEntity_Base::Event_SetConstraintPosition( const char* name, const idVec3& pos )
{
	af.SetConstraintPosition( name, pos );
}

/*
===============================================================================

idAFEntity_Gibbable

===============================================================================
*/

const idEventDef EV_Gib( "gib", "s" );
const idEventDef EV_Gibbed( "<gibbed>" );

CLASS_DECLARATION( idAFEntity_Base, idAFEntity_Gibbable )
EVENT( EV_Gib,		idAFEntity_Gibbable::Event_Gib )
EVENT( EV_Gibbed,	idAFEntity_Base::Event_Remove )
END_CLASS


/*
================
idAFEntity_Gibbable::idAFEntity_Gibbable
================
*/
idAFEntity_Gibbable::idAFEntity_Gibbable()
{
	skeletonModel = NULL;
	skeletonModelDefHandle = -1;
	gibbed = false;
	wasThrown = false;
}

/*
================
idAFEntity_Gibbable::~idAFEntity_Gibbable
================
*/
idAFEntity_Gibbable::~idAFEntity_Gibbable()
{
	if( skeletonModelDefHandle != -1 )
	{
		gameRenderWorld->FreeEntityDef( skeletonModelDefHandle );
		skeletonModelDefHandle = -1;
	}
}

/*
================
idAFEntity_Gibbable::Save
================
*/
void idAFEntity_Gibbable::Save( idSaveGame* savefile ) const
{
	savefile->WriteBool( gibbed );
	savefile->WriteBool( combatModel != NULL );
	savefile->WriteBool( wasThrown );
}

/*
================
idAFEntity_Gibbable::Restore
================
*/
void idAFEntity_Gibbable::Restore( idRestoreGame* savefile )
{
	bool hasCombatModel;
	
	savefile->ReadBool( gibbed );
	savefile->ReadBool( hasCombatModel );
	savefile->ReadBool( wasThrown );
	
	InitSkeletonModel();
	
	if( hasCombatModel )
	{
		SetCombatModel();
		LinkCombat();
	}
}

/*
================
idAFEntity_Gibbable::Spawn
================
*/
void idAFEntity_Gibbable::Spawn()
{
	InitSkeletonModel();
	
	gibbed = false;
	wasThrown = false;
}

/*
================
idAFEntity_Gibbable::InitSkeletonModel
================
*/
void idAFEntity_Gibbable::InitSkeletonModel()
{
	const char* modelName;
	const idDeclModelDef* modelDef;
	
	skeletonModel = NULL;
	skeletonModelDefHandle = -1;
	
	modelName = spawnArgs.GetString( "model_gib" );
	
	modelDef = NULL;
	if( modelName[0] != '\0' )
	{
		modelDef = static_cast<const idDeclModelDef*>( declManager->FindType( DECL_MODELDEF, modelName, false ) );
		if( modelDef )
		{
			skeletonModel = modelDef->ModelHandle();
		}
		else
		{
			skeletonModel = renderModelManager->FindModel( modelName );
		}
		if( skeletonModel != NULL && renderEntity.hModel != NULL )
		{
			if( skeletonModel->NumJoints() != renderEntity.hModel->NumJoints() )
			{
				gameLocal.Error( "gib model '%s' has different number of joints than model '%s'",
								 skeletonModel->Name(), renderEntity.hModel->Name() );
			}
		}
	}
}

/*
================
idAFEntity_Gibbable::Present
================
*/
void idAFEntity_Gibbable::Present()
{
	renderEntity_t skeleton;
	
	if( !gameLocal.isNewFrame )
	{
		return;
	}
	
	// don't present to the renderer if the entity hasn't changed
	if( !( thinkFlags & TH_UPDATEVISUALS ) )
	{
		return;
	}
	
	// update skeleton model
	if( gibbed && !IsHidden() && skeletonModel != NULL )
	{
		skeleton = renderEntity;
		skeleton.hModel = skeletonModel;
		// add to refresh list
		if( skeletonModelDefHandle == -1 )
		{
			skeletonModelDefHandle = gameRenderWorld->AddEntityDef( &skeleton );
		}
		else
		{
			gameRenderWorld->UpdateEntityDef( skeletonModelDefHandle, &skeleton );
		}
	}
	
	idEntity::Present();
}

/*
================
idAFEntity_Gibbable::Damage
================
*/
void idAFEntity_Gibbable::Damage( idEntity* inflictor, idEntity* attacker, const idVec3& dir, const char* damageDefName, const float damageScale, const int location )
{
	if( !fl.takedamage )
	{
		return;
	}
	idAFEntity_Base::Damage( inflictor, attacker, dir, damageDefName, damageScale, location );
	if( health < -20 && spawnArgs.GetBool( "gib" ) )
	{
		Gib( dir, damageDefName );
	}
}

/*
=====================
idAFEntity_Gibbable::SetThrown
=====================
*/
void idAFEntity_Gibbable::SetThrown( bool isThrown )
{

	if( isThrown )
	{
		int i, num = af.GetPhysics()->GetNumBodies();
		
		for( i = 0; i < num; i++ )
		{
			idAFBody* body;
			
			body = af.GetPhysics()->GetBody( i );
			body->SetClipMask( MASK_MONSTERSOLID );
		}
	}
	
	wasThrown = isThrown;
}

/*
=====================
idAFEntity_Gibbable::Collide
=====================
*/
bool idAFEntity_Gibbable::Collide( const trace_t& collision, const idVec3& velocity )
{

	if( !gibbed && wasThrown )
	{
	
		// Everything gibs (if possible)
		if( spawnArgs.GetBool( "gib" ) )
		{
			idEntity*	ent;
			
			ent = gameLocal.entities[ collision.c.entityNum ];
			if( ent->fl.takedamage )
			{
				ent->Damage( this, gameLocal.GetLocalPlayer(), collision.c.normal, "damage_thrown_ragdoll", 1.f, CLIPMODEL_ID_TO_JOINT_HANDLE( collision.c.id ) );
			}
			
			idVec3 vel = velocity;
			vel.NormalizeFast();
			Gib( vel, "damage_gib" );
		}
	}
	
	return idAFEntity_Base::Collide( collision, velocity );
}

/*
=====================
idAFEntity_Gibbable::SpawnGibs
=====================
*/
void idAFEntity_Gibbable::SpawnGibs( const idVec3& dir, const char* damageDefName )
{
	int i;
	bool gibNonSolid;
	idVec3 entityCenter, velocity;
	idList<idEntity*> list;
	
	assert( !common->IsClient() );
	
	const idDict* damageDef = gameLocal.FindEntityDefDict( damageDefName );
	if( damageDef == NULL )
	{
		gameLocal.Error( "Unknown damageDef '%s'", damageDefName );
		return;
	}
	
	// spawn gib articulated figures
	idAFEntity_Base::DropAFs( this, "gib", &list );
	
	// spawn gib items
	idMoveableItem::DropItems( this, "gib", &list );
	
	// blow out the gibs in the given direction away from the center of the entity
	entityCenter = GetPhysics()->GetAbsBounds().GetCenter();
	gibNonSolid = damageDef->GetBool( "gibNonSolid" );
	for( i = 0; i < list.Num(); i++ )
	{
		if( gibNonSolid )
		{
			list[i]->GetPhysics()->SetContents( 0 );
			list[i]->GetPhysics()->SetClipMask( 0 );
			list[i]->GetPhysics()->UnlinkClip();
			list[i]->GetPhysics()->PutToRest();
		}
		else
		{
			list[i]->GetPhysics()->SetContents( 0 );
			list[i]->GetPhysics()->SetClipMask( CONTENTS_SOLID );
			velocity = list[i]->GetPhysics()->GetAbsBounds().GetCenter() - entityCenter;
			velocity.NormalizeFast();
			velocity += ( i & 1 ) ? dir : -dir;
			list[i]->GetPhysics()->SetLinearVelocity( velocity * 75.0f );
		}
		// Don't allow grabber to pick up temporary gibs
		list[i]->noGrab = true;
		list[i]->GetRenderEntity()->noShadow = true;
		list[i]->GetRenderEntity()->shaderParms[ SHADERPARM_TIME_OF_DEATH ] = gameLocal.time * 0.001f;
		list[i]->PostEventSec( &EV_Remove, 4.0f );
	}
}

/*
============
idAFEntity_Gibbable::Gib
============
*/
void idAFEntity_Gibbable::Gib( const idVec3& dir, const char* damageDefName )
{
	// only gib once
	if( gibbed )
	{
		return;
	}
	
	// Don't grab this ent after it's been gibbed (and now invisible!)
	noGrab = true;
	
	const idDict* damageDef = gameLocal.FindEntityDefDict( damageDefName );
	if( damageDef == NULL )
	{
		gameLocal.Error( "Unknown damageDef '%s'", damageDefName );
		return;
	}
	
	if( damageDef->GetBool( "gibNonSolid" ) )
	{
		GetAFPhysics()->SetContents( 0 );
		GetAFPhysics()->SetClipMask( 0 );
		GetAFPhysics()->UnlinkClip();
		GetAFPhysics()->PutToRest();
	}
	else
	{
		GetAFPhysics()->SetContents( CONTENTS_CORPSE );
		GetAFPhysics()->SetClipMask( CONTENTS_SOLID );
	}
	
	UnlinkCombat();
	
	if( g_bloodEffects.GetBool() )
	{
		if( gameLocal.time > gameLocal.GetGibTime() )
		{
			gameLocal.SetGibTime( gameLocal.time + GIB_DELAY );
			SpawnGibs( dir, damageDefName );
			renderEntity.noShadow = true;
			renderEntity.shaderParms[ SHADERPARM_TIME_OF_DEATH ] = gameLocal.time * 0.001f;
			StartSound( "snd_gibbed", SND_CHANNEL_ANY, 0, false, NULL );
			gibbed = true;
		}
	}
	else
	{
		gibbed = true;
	}
	
	
	PostEventSec( &EV_Gibbed, 4.0f );
}

/*
============
idAFEntity_Gibbable::Event_Gib
============
*/
void idAFEntity_Gibbable::Event_Gib( const char* damageDefName )
{
	Gib( idVec3( 0, 0, 1 ), damageDefName );
}

/*
===============================================================================

  idAFEntity_Generic

===============================================================================
*/

CLASS_DECLARATION( idAFEntity_Gibbable, idAFEntity_Generic )
EVENT( EV_Activate,			idAFEntity_Generic::Event_Activate )
END_CLASS

/*
================
idAFEntity_Generic::idAFEntity_Generic
================
*/
idAFEntity_Generic::idAFEntity_Generic()
{
	keepRunningPhysics = false;
}

/*
================
idAFEntity_Generic::~idAFEntity_Generic
================
*/
idAFEntity_Generic::~idAFEntity_Generic()
{
}

/*
================
idAFEntity_Generic::Save
================
*/
void idAFEntity_Generic::Save( idSaveGame* savefile ) const
{
	savefile->WriteBool( keepRunningPhysics );
}

/*
================
idAFEntity_Generic::Restore
================
*/
void idAFEntity_Generic::Restore( idRestoreGame* savefile )
{
	savefile->ReadBool( keepRunningPhysics );
}

/*
================
idAFEntity_Generic::Think
================
*/
void idAFEntity_Generic::Think()
{
	idAFEntity_Base::Think();
	
	if( keepRunningPhysics )
	{
		BecomeActive( TH_PHYSICS );
	}
}

/*
================
idAFEntity_Generic::Spawn
================
*/
void idAFEntity_Generic::Spawn()
{
	if( !LoadAF() )
	{
		gameLocal.Error( "Couldn't load af file on entity '%s'", name.c_str() );
	}
	
	SetCombatModel();
	
	SetPhysics( af.GetPhysics() );
	
	af.GetPhysics()->PutToRest();
	if( !spawnArgs.GetBool( "nodrop", "0" ) )
	{
		af.GetPhysics()->Activate();
	}
	
	fl.takedamage = true;
}

/*
================
idAFEntity_Generic::Event_Activate
================
*/
void idAFEntity_Generic::Event_Activate( idEntity* activator )
{
	float delay;
	idVec3 init_velocity, init_avelocity;
	
	Show();
	
	af.GetPhysics()->EnableImpact();
	af.GetPhysics()->Activate();
	
	spawnArgs.GetVector( "init_velocity", "0 0 0", init_velocity );
	spawnArgs.GetVector( "init_avelocity", "0 0 0", init_avelocity );
	
	delay = spawnArgs.GetFloat( "init_velocityDelay", "0" );
	if( delay == 0.0f )
	{
		af.GetPhysics()->SetLinearVelocity( init_velocity );
	}
	else
	{
		PostEventSec( &EV_SetLinearVelocity, delay, init_velocity );
	}
	
	delay = spawnArgs.GetFloat( "init_avelocityDelay", "0" );
	if( delay == 0.0f )
	{
		af.GetPhysics()->SetAngularVelocity( init_avelocity );
	}
	else
	{
		PostEventSec( &EV_SetAngularVelocity, delay, init_avelocity );
	}
}


/*
===============================================================================

  idAFEntity_WithAttachedHead

===============================================================================
*/

CLASS_DECLARATION( idAFEntity_Gibbable, idAFEntity_WithAttachedHead )
EVENT( EV_Gib,				idAFEntity_WithAttachedHead::Event_Gib )
EVENT( EV_Activate,			idAFEntity_WithAttachedHead::Event_Activate )
END_CLASS

/*
================
idAFEntity_WithAttachedHead::idAFEntity_WithAttachedHead
================
*/
idAFEntity_WithAttachedHead::idAFEntity_WithAttachedHead()
{
	head = NULL;
}

/*
================
idAFEntity_WithAttachedHead::~idAFEntity_WithAttachedHead
================
*/
idAFEntity_WithAttachedHead::~idAFEntity_WithAttachedHead()
{
	if( head.GetEntity() )
	{
		head.GetEntity()->ClearBody();
		head.GetEntity()->PostEventMS( &EV_Remove, 0 );
	}
}

/*
================
idAFEntity_WithAttachedHead::Spawn
================
*/
void idAFEntity_WithAttachedHead::Spawn()
{
	SetupHead();
	
	LoadAF();
	
	SetCombatModel();
	
	SetPhysics( af.GetPhysics() );
	
	af.GetPhysics()->PutToRest();
	if( !spawnArgs.GetBool( "nodrop", "0" ) )
	{
		af.GetPhysics()->Activate();
	}
	
	fl.takedamage = true;
	
	if( head.GetEntity() )
	{
		int anim = head.GetEntity()->GetAnimator()->GetAnim( "dead" );
		
		if( anim )
		{
			head.GetEntity()->GetAnimator()->SetFrame( ANIMCHANNEL_ALL, anim, 0, gameLocal.time, 0 );
		}
	}
}

/*
================
idAFEntity_WithAttachedHead::Save
================
*/
void idAFEntity_WithAttachedHead::Save( idSaveGame* savefile ) const
{
	head.Save( savefile );
}

/*
================
idAFEntity_WithAttachedHead::Restore
================
*/
void idAFEntity_WithAttachedHead::Restore( idRestoreGame* savefile )
{
	head.Restore( savefile );
}

/*
================
idAFEntity_WithAttachedHead::SetupHead
================
*/
void idAFEntity_WithAttachedHead::SetupHead()
{
	idAFAttachment*		headEnt;
	idStr				jointName;
	const char*			headModel;
	jointHandle_t		joint;
	idVec3				origin;
	idMat3				axis;
	
	headModel = spawnArgs.GetString( "def_head", "" );
	if( headModel[ 0 ] )
	{
		jointName = spawnArgs.GetString( "head_joint" );
		joint = animator.GetJointHandle( jointName );
		if( joint == INVALID_JOINT )
		{
			gameLocal.Error( "Joint '%s' not found for 'head_joint' on '%s'", jointName.c_str(), name.c_str() );
		}
		
		headEnt = static_cast<idAFAttachment*>( gameLocal.SpawnEntityType( idAFAttachment::Type, NULL ) );
		headEnt->SetName( va( "%s_head", name.c_str() ) );
		headEnt->SetBody( this, headModel, joint );
		headEnt->SetCombatModel();
		head = headEnt;
		
		idStr xSkin;
		if( spawnArgs.GetString( "skin_head_xray", "", xSkin ) )
		{
			headEnt->xraySkin = declManager->FindSkin( xSkin.c_str() );
			headEnt->UpdateModel();
		}
		animator.GetJointTransform( joint, gameLocal.time, origin, axis );
		origin = renderEntity.origin + origin * renderEntity.axis;
		headEnt->SetOrigin( origin );
		headEnt->SetAxis( renderEntity.axis );
		headEnt->BindToJoint( this, joint, true );
	}
}

/*
================
idAFEntity_WithAttachedHead::Think
================
*/
void idAFEntity_WithAttachedHead::Think()
{
	idAFEntity_Base::Think();
}

/*
================
idAFEntity_WithAttachedHead::LinkCombat
================
*/
void idAFEntity_WithAttachedHead::LinkCombat()
{
	idAFAttachment* headEnt;
	
	if( fl.hidden )
	{
		return;
	}
	
	if( combatModel )
	{
		combatModel->Link( gameLocal.clip, this, 0, renderEntity.origin, renderEntity.axis, modelDefHandle );
	}
	headEnt = head.GetEntity();
	if( headEnt )
	{
		headEnt->LinkCombat();
	}
}

/*
================
idAFEntity_WithAttachedHead::UnlinkCombat
================
*/
void idAFEntity_WithAttachedHead::UnlinkCombat()
{
	idAFAttachment* headEnt;
	
	if( combatModel )
	{
		combatModel->Unlink();
	}
	headEnt = head.GetEntity();
	if( headEnt )
	{
		headEnt->UnlinkCombat();
	}
}

/*
================
idAFEntity_WithAttachedHead::Hide
================
*/
void idAFEntity_WithAttachedHead::Hide()
{
	idAFEntity_Base::Hide();
	if( head.GetEntity() )
	{
		head.GetEntity()->Hide();
	}
	UnlinkCombat();
}

/*
================
idAFEntity_WithAttachedHead::Show
================
*/
void idAFEntity_WithAttachedHead::Show()
{
	idAFEntity_Base::Show();
	if( head.GetEntity() )
	{
		head.GetEntity()->Show();
	}
	LinkCombat();
}

/*
================
idAFEntity_WithAttachedHead::ProjectOverlay
================
*/
void idAFEntity_WithAttachedHead::ProjectOverlay( const idVec3& origin, const idVec3& dir, float size, const char* material )
{

	idEntity::ProjectOverlay( origin, dir, size, material );
	
	if( head.GetEntity() )
	{
		head.GetEntity()->ProjectOverlay( origin, dir, size, material );
	}
}

/*
============
idAFEntity_WithAttachedHead::Gib
============
*/
void idAFEntity_WithAttachedHead::Gib( const idVec3& dir, const char* damageDefName )
{
	// only gib once
	if( gibbed )
	{
		return;
	}
	idAFEntity_Gibbable::Gib( dir, damageDefName );
	if( head.GetEntity() )
	{
		head.GetEntity()->Hide();
	}
}

/*
============
idAFEntity_WithAttachedHead::Event_Gib
============
*/
void idAFEntity_WithAttachedHead::Event_Gib( const char* damageDefName )
{
	Gib( idVec3( 0, 0, 1 ), damageDefName );
}

/*
================
idAFEntity_WithAttachedHead::Event_Activate
================
*/
void idAFEntity_WithAttachedHead::Event_Activate( idEntity* activator )
{
	float delay;
	idVec3 init_velocity, init_avelocity;
	
	Show();
	
	af.GetPhysics()->EnableImpact();
	af.GetPhysics()->Activate();
	
	spawnArgs.GetVector( "init_velocity", "0 0 0", init_velocity );
	spawnArgs.GetVector( "init_avelocity", "0 0 0", init_avelocity );
	
	delay = spawnArgs.GetFloat( "init_velocityDelay", "0" );
	if( delay == 0.0f )
	{
		af.GetPhysics()->SetLinearVelocity( init_velocity );
	}
	else
	{
		PostEventSec( &EV_SetLinearVelocity, delay, init_velocity );
	}
	
	delay = spawnArgs.GetFloat( "init_avelocityDelay", "0" );
	if( delay == 0.0f )
	{
		af.GetPhysics()->SetAngularVelocity( init_avelocity );
	}
	else
	{
		PostEventSec( &EV_SetAngularVelocity, delay, init_avelocity );
	}
}


/*
===============================================================================

  idAFEntity_Vehicle

===============================================================================
*/

CLASS_DECLARATION( idAFEntity_Base, idAFEntity_Vehicle )
END_CLASS

/*
================
idAFEntity_Vehicle::idAFEntity_Vehicle
================
*/
idAFEntity_Vehicle::idAFEntity_Vehicle()
{
	player				= NULL;
	eyesJoint			= INVALID_JOINT;
	steeringWheelJoint	= INVALID_JOINT;
	wheelRadius			= 0.0f;
	steerAngle			= 0.0f;
	steerSpeed			= 0.0f;
	dustSmoke			= NULL;
}

/*
================
idAFEntity_Vehicle::Spawn
================
*/
void idAFEntity_Vehicle::Spawn()
{
	const char* eyesJointName = spawnArgs.GetString( "eyesJoint", "eyes" );
	const char* steeringWheelJointName = spawnArgs.GetString( "steeringWheelJoint", "steeringWheel" );
	
	LoadAF();
	
	SetCombatModel();
	
	SetPhysics( af.GetPhysics() );
	
	fl.takedamage = true;
	
	if( !eyesJointName[0] )
	{
		gameLocal.Error( "idAFEntity_Vehicle '%s' no eyes joint specified", name.c_str() );
	}
	eyesJoint = animator.GetJointHandle( eyesJointName );
	if( !steeringWheelJointName[0] )
	{
		gameLocal.Error( "idAFEntity_Vehicle '%s' no steering wheel joint specified", name.c_str() );
	}
	steeringWheelJoint = animator.GetJointHandle( steeringWheelJointName );
	
	spawnArgs.GetFloat( "wheelRadius", "20", wheelRadius );
	spawnArgs.GetFloat( "steerSpeed", "5", steerSpeed );
	
	player = NULL;
	steerAngle = 0.0f;
	
	const char* smokeName = spawnArgs.GetString( "smoke_vehicle_dust", "muzzlesmoke" );
	if( *smokeName != '\0' )
	{
		dustSmoke = static_cast<const idDeclParticle*>( declManager->FindType( DECL_PARTICLE, smokeName ) );
	}
}

/*
================
idAFEntity_Vehicle::Use
================
*/
void idAFEntity_Vehicle::Use( idPlayer* other )
{
	idVec3 origin;
	idMat3 axis;
	
	if( player )
	{
		if( player == other )
		{
			other->Unbind();
			player = NULL;
			
			af.GetPhysics()->SetComeToRest( true );
		}
	}
	else
	{
		player = other;
		animator.GetJointTransform( eyesJoint, gameLocal.time, origin, axis );
		origin = renderEntity.origin + origin * renderEntity.axis;
		player->GetPhysics()->SetOrigin( origin );
		player->BindToBody( this, 0, true );
		
		af.GetPhysics()->SetComeToRest( false );
		af.GetPhysics()->Activate();
	}
}

/*
================
idAFEntity_Vehicle::GetSteerAngle
================
*/
float idAFEntity_Vehicle::GetSteerAngle()
{
	float idealSteerAngle, angleDelta;
	
	idealSteerAngle = player->usercmd.rightmove * ( 30.0f / 128.0f );
	angleDelta = idealSteerAngle - steerAngle;
	
	if( angleDelta > steerSpeed )
	{
		steerAngle += steerSpeed;
	}
	else if( angleDelta < -steerSpeed )
	{
		steerAngle -= steerSpeed;
	}
	else
	{
		steerAngle = idealSteerAngle;
	}
	
	return steerAngle;
}


/*
===============================================================================

  idAFEntity_VehicleSimple

===============================================================================
*/

CLASS_DECLARATION( idAFEntity_Vehicle, idAFEntity_VehicleSimple )
END_CLASS

/*
================
idAFEntity_VehicleSimple::idAFEntity_VehicleSimple
================
*/
idAFEntity_VehicleSimple::idAFEntity_VehicleSimple()
{
	int i;
	for( i = 0; i < 4; i++ )
	{
		suspension[i] = NULL;
	}
}

/*
================
idAFEntity_VehicleSimple::~idAFEntity_VehicleSimple
================
*/
idAFEntity_VehicleSimple::~idAFEntity_VehicleSimple()
{
	delete wheelModel;
	wheelModel = NULL;
}

/*
================
idAFEntity_VehicleSimple::Spawn
================
*/
void idAFEntity_VehicleSimple::Spawn()
{
	static const char* wheelJointKeys[] =
	{
		"wheelJointFrontLeft",
		"wheelJointFrontRight",
		"wheelJointRearLeft",
		"wheelJointRearRight"
	};
	static idVec3 wheelPoly[4] = { idVec3( 2, 2, 0 ), idVec3( 2, -2, 0 ), idVec3( -2, -2, 0 ), idVec3( -2, 2, 0 ) };
	
	int i;
	idVec3 origin;
	idMat3 axis;
	idTraceModel trm;
	
	trm.SetupPolygon( wheelPoly, 4 );
	trm.Translate( idVec3( 0, 0, -wheelRadius ) );
	wheelModel = new( TAG_PHYSICS_CLIP_AF ) idClipModel( trm );
	
	for( i = 0; i < 4; i++ )
	{
		const char* wheelJointName = spawnArgs.GetString( wheelJointKeys[i], "" );
		if( !wheelJointName[0] )
		{
			gameLocal.Error( "idAFEntity_VehicleSimple '%s' no '%s' specified", name.c_str(), wheelJointKeys[i] );
		}
		wheelJoints[i] = animator.GetJointHandle( wheelJointName );
		if( wheelJoints[i] == INVALID_JOINT )
		{
			gameLocal.Error( "idAFEntity_VehicleSimple '%s' can't find wheel joint '%s'", name.c_str(), wheelJointName );
		}
		
		GetAnimator()->GetJointTransform( wheelJoints[i], 0, origin, axis );
		origin = renderEntity.origin + origin * renderEntity.axis;
		
		suspension[i] = new( TAG_PHYSICS_AF ) idAFConstraint_Suspension();
		suspension[i]->Setup( va( "suspension%d", i ), af.GetPhysics()->GetBody( 0 ), origin, af.GetPhysics()->GetAxis( 0 ), wheelModel );
		suspension[i]->SetSuspension(	g_vehicleSuspensionUp.GetFloat(),
										g_vehicleSuspensionDown.GetFloat(),
										g_vehicleSuspensionKCompress.GetFloat(),
										g_vehicleSuspensionDamping.GetFloat(),
										g_vehicleTireFriction.GetFloat() );
										
		af.GetPhysics()->AddConstraint( suspension[i] );
	}
	
	memset( wheelAngles, 0, sizeof( wheelAngles ) );
	BecomeActive( TH_THINK );
}

/*
================
idAFEntity_VehicleSimple::Think
================
*/
void idAFEntity_VehicleSimple::Think()
{
	int i;
	float force = 0.0f, velocity = 0.0f, steerAngle = 0.0f;
	idVec3 origin;
	idMat3 axis;
	idRotation wheelRotation, steerRotation;
	
	if( thinkFlags & TH_THINK )
	{
	
		if( player )
		{
			// capture the input from a player
			velocity = g_vehicleVelocity.GetFloat();
			if( player->usercmd.forwardmove < 0 )
			{
				velocity = -velocity;
			}
			force = idMath::Fabs( player->usercmd.forwardmove * g_vehicleForce.GetFloat() ) * ( 1.0f / 128.0f );
			steerAngle = GetSteerAngle();
		}
		
		// update the wheel motor force and steering
		for( i = 0; i < 2; i++ )
		{
		
			// front wheel drive
			if( velocity != 0.0f )
			{
				suspension[i]->EnableMotor( true );
			}
			else
			{
				suspension[i]->EnableMotor( false );
			}
			suspension[i]->SetMotorVelocity( velocity );
			suspension[i]->SetMotorForce( force );
			
			// update the wheel steering
			suspension[i]->SetSteerAngle( steerAngle );
		}
		
		// adjust wheel velocity for better steering because there are no differentials between the wheels
		if( steerAngle < 0.0f )
		{
			suspension[0]->SetMotorVelocity( velocity * 0.5f );
		}
		else if( steerAngle > 0.0f )
		{
			suspension[1]->SetMotorVelocity( velocity * 0.5f );
		}
		
		// update suspension with latest cvar settings
		for( i = 0; i < 4; i++ )
		{
			suspension[i]->SetSuspension(	g_vehicleSuspensionUp.GetFloat(),
											g_vehicleSuspensionDown.GetFloat(),
											g_vehicleSuspensionKCompress.GetFloat(),
											g_vehicleSuspensionDamping.GetFloat(),
											g_vehicleTireFriction.GetFloat() );
		}
		
		// run the physics
		RunPhysics();
		
		// move and rotate the wheels visually
		for( i = 0; i < 4; i++ )
		{
			idAFBody* body = af.GetPhysics()->GetBody( 0 );
			
			origin = suspension[i]->GetWheelOrigin();
			velocity = body->GetPointVelocity( origin ) * body->GetWorldAxis()[0];
			wheelAngles[i] += velocity * MS2SEC( gameLocal.time - gameLocal.previousTime ) / wheelRadius;
			
			// additional rotation about the wheel axis
			wheelRotation.SetAngle( RAD2DEG( wheelAngles[i] ) );
			wheelRotation.SetVec( 0, -1, 0 );
			
			if( i < 2 )
			{
				// rotate the wheel for steering
				steerRotation.SetAngle( steerAngle );
				steerRotation.SetVec( 0, 0, 1 );
				// set wheel rotation
				animator.SetJointAxis( wheelJoints[i], JOINTMOD_WORLD, wheelRotation.ToMat3() * steerRotation.ToMat3() );
			}
			else
			{
				// set wheel rotation
				animator.SetJointAxis( wheelJoints[i], JOINTMOD_WORLD, wheelRotation.ToMat3() );
			}
			
			// set wheel position for suspension
			origin = ( origin - renderEntity.origin ) * renderEntity.axis.Transpose();
			GetAnimator()->SetJointPos( wheelJoints[i], JOINTMOD_WORLD_OVERRIDE, origin );
		}
		/*
				// spawn dust particle effects
				if ( force != 0.0f && !( gameLocal.framenum & 7 ) ) {
					int numContacts;
					idAFConstraint_Contact *contacts[2];
					for ( i = 0; i < 4; i++ ) {
						numContacts = af.GetPhysics()->GetBodyContactConstraints( wheels[i]->GetClipModel()->GetId(), contacts, 2 );
						for ( int j = 0; j < numContacts; j++ ) {
							gameLocal.smokeParticles->EmitSmoke( dustSmoke, gameLocal.time, gameLocal.random.RandomFloat(), contacts[j]->GetContact().point, contacts[j]->GetContact().normal.ToMat3() );
						}
					}
				}
		*/
	}
	
	UpdateAnimation();
	if( thinkFlags & TH_UPDATEVISUALS )
	{
		Present();
		LinkCombat();
	}
}


/*
===============================================================================

  idAFEntity_VehicleFourWheels

===============================================================================
*/

CLASS_DECLARATION( idAFEntity_Vehicle, idAFEntity_VehicleFourWheels )
END_CLASS


/*
================
idAFEntity_VehicleFourWheels::idAFEntity_VehicleFourWheels
================
*/
idAFEntity_VehicleFourWheels::idAFEntity_VehicleFourWheels()
{
	int i;
	
	for( i = 0; i < 4; i++ )
	{
		wheels[i]		= NULL;
		wheelJoints[i]	= INVALID_JOINT;
		wheelAngles[i]	= 0.0f;
	}
	steering[0]			= NULL;
	steering[1]			= NULL;
}

/*
================
idAFEntity_VehicleFourWheels::Spawn
================
*/
void idAFEntity_VehicleFourWheels::Spawn()
{
	int i;
	static const char* wheelBodyKeys[] =
	{
		"wheelBodyFrontLeft",
		"wheelBodyFrontRight",
		"wheelBodyRearLeft",
		"wheelBodyRearRight"
	};
	static const char* wheelJointKeys[] =
	{
		"wheelJointFrontLeft",
		"wheelJointFrontRight",
		"wheelJointRearLeft",
		"wheelJointRearRight"
	};
	static const char* steeringHingeKeys[] =
	{
		"steeringHingeFrontLeft",
		"steeringHingeFrontRight",
	};
	
	const char* wheelBodyName, *wheelJointName, *steeringHingeName;
	
	for( i = 0; i < 4; i++ )
	{
		wheelBodyName = spawnArgs.GetString( wheelBodyKeys[i], "" );
		if( !wheelBodyName[0] )
		{
			gameLocal.Error( "idAFEntity_VehicleFourWheels '%s' no '%s' specified", name.c_str(), wheelBodyKeys[i] );
		}
		wheels[i] = af.GetPhysics()->GetBody( wheelBodyName );
		if( !wheels[i] )
		{
			gameLocal.Error( "idAFEntity_VehicleFourWheels '%s' can't find wheel body '%s'", name.c_str(), wheelBodyName );
		}
		wheelJointName = spawnArgs.GetString( wheelJointKeys[i], "" );
		if( !wheelJointName[0] )
		{
			gameLocal.Error( "idAFEntity_VehicleFourWheels '%s' no '%s' specified", name.c_str(), wheelJointKeys[i] );
		}
		wheelJoints[i] = animator.GetJointHandle( wheelJointName );
		if( wheelJoints[i] == INVALID_JOINT )
		{
			gameLocal.Error( "idAFEntity_VehicleFourWheels '%s' can't find wheel joint '%s'", name.c_str(), wheelJointName );
		}
	}
	
	for( i = 0; i < 2; i++ )
	{
		steeringHingeName = spawnArgs.GetString( steeringHingeKeys[i], "" );
		if( !steeringHingeName[0] )
		{
			gameLocal.Error( "idAFEntity_VehicleFourWheels '%s' no '%s' specified", name.c_str(), steeringHingeKeys[i] );
		}
		steering[i] = static_cast<idAFConstraint_Hinge*>( af.GetPhysics()->GetConstraint( steeringHingeName ) );
		if( !steering[i] )
		{
			gameLocal.Error( "idAFEntity_VehicleFourWheels '%s': can't find steering hinge '%s'", name.c_str(), steeringHingeName );
		}
	}
	
	memset( wheelAngles, 0, sizeof( wheelAngles ) );
	BecomeActive( TH_THINK );
}

/*
================
idAFEntity_VehicleFourWheels::Think
================
*/
void idAFEntity_VehicleFourWheels::Think()
{
	int i;
	float force = 0.0f, velocity = 0.0f, steerAngle = 0.0f;
	idVec3 origin;
	idMat3 axis;
	idRotation rotation;
	
	if( thinkFlags & TH_THINK )
	{
	
		if( player )
		{
			// capture the input from a player
			velocity = g_vehicleVelocity.GetFloat();
			if( player->usercmd.forwardmove < 0 )
			{
				velocity = -velocity;
			}
			force = idMath::Fabs( player->usercmd.forwardmove * g_vehicleForce.GetFloat() ) * ( 1.0f / 128.0f );
			steerAngle = GetSteerAngle();
		}
		
		// update the wheel motor force
		for( i = 0; i < 2; i++ )
		{
			wheels[2 + i]->SetContactMotorVelocity( velocity );
			wheels[2 + i]->SetContactMotorForce( force );
		}
		
		// adjust wheel velocity for better steering because there are no differentials between the wheels
		if( steerAngle < 0.0f )
		{
			wheels[2]->SetContactMotorVelocity( velocity * 0.5f );
		}
		else if( steerAngle > 0.0f )
		{
			wheels[3]->SetContactMotorVelocity( velocity * 0.5f );
		}
		
		// update the wheel steering
		steering[0]->SetSteerAngle( steerAngle );
		steering[1]->SetSteerAngle( steerAngle );
		for( i = 0; i < 2; i++ )
		{
			steering[i]->SetSteerSpeed( 3.0f );
		}
		
		// update the steering wheel
		animator.GetJointTransform( steeringWheelJoint, gameLocal.time, origin, axis );
		rotation.SetVec( axis[2] );
		rotation.SetAngle( -steerAngle );
		animator.SetJointAxis( steeringWheelJoint, JOINTMOD_WORLD, rotation.ToMat3() );
		
		// run the physics
		RunPhysics();
		
		// rotate the wheels visually
		for( i = 0; i < 4; i++ )
		{
			if( force == 0.0f )
			{
				velocity = wheels[i]->GetLinearVelocity() * wheels[i]->GetWorldAxis()[0];
			}
			wheelAngles[i] += velocity * MS2SEC( gameLocal.time - gameLocal.previousTime ) / wheelRadius;
			// give the wheel joint an additional rotation about the wheel axis
			rotation.SetAngle( RAD2DEG( wheelAngles[i] ) );
			axis = af.GetPhysics()->GetAxis( 0 );
			rotation.SetVec( ( wheels[i]->GetWorldAxis() * axis.Transpose() )[2] );
			animator.SetJointAxis( wheelJoints[i], JOINTMOD_WORLD, rotation.ToMat3() );
		}
		
		// spawn dust particle effects
		if( force != 0.0f && !( gameLocal.framenum & 7 ) )
		{
			int numContacts;
			idAFConstraint_Contact* contacts[2];
			for( i = 0; i < 4; i++ )
			{
				numContacts = af.GetPhysics()->GetBodyContactConstraints( wheels[i]->GetClipModel()->GetId(), contacts, 2 );
				for( int j = 0; j < numContacts; j++ )
				{
					gameLocal.smokeParticles->EmitSmoke( dustSmoke, gameLocal.time, gameLocal.random.RandomFloat(), contacts[j]->GetContact().point, contacts[j]->GetContact().normal.ToMat3(), timeGroup /* D3XP */ );
				}
			}
		}
	}
	
	UpdateAnimation();
	if( thinkFlags & TH_UPDATEVISUALS )
	{
		Present();
		LinkCombat();
	}
}


/*
===============================================================================

  idAFEntity_VehicleSixWheels

===============================================================================
*/

CLASS_DECLARATION( idAFEntity_Vehicle, idAFEntity_VehicleSixWheels )
END_CLASS

/*
================
idAFEntity_VehicleSixWheels::idAFEntity_VehicleSixWheels
================
*/
idAFEntity_VehicleSixWheels::idAFEntity_VehicleSixWheels()
{
	int i;
	
	for( i = 0; i < 6; i++ )
	{
		wheels[i]		= NULL;
		wheelJoints[i]	= INVALID_JOINT;
		wheelAngles[i]	= 0.0f;
	}
	steering[0]			= NULL;
	steering[1]			= NULL;
	steering[2]			= NULL;
	steering[3]			= NULL;
}

/*
================
idAFEntity_VehicleSixWheels::Spawn
================
*/
void idAFEntity_VehicleSixWheels::Spawn()
{
	int i;
	static const char* wheelBodyKeys[] =
	{
		"wheelBodyFrontLeft",
		"wheelBodyFrontRight",
		"wheelBodyMiddleLeft",
		"wheelBodyMiddleRight",
		"wheelBodyRearLeft",
		"wheelBodyRearRight"
	};
	static const char* wheelJointKeys[] =
	{
		"wheelJointFrontLeft",
		"wheelJointFrontRight",
		"wheelJointMiddleLeft",
		"wheelJointMiddleRight",
		"wheelJointRearLeft",
		"wheelJointRearRight"
	};
	static const char* steeringHingeKeys[] =
	{
		"steeringHingeFrontLeft",
		"steeringHingeFrontRight",
		"steeringHingeRearLeft",
		"steeringHingeRearRight"
	};
	
	const char* wheelBodyName, *wheelJointName, *steeringHingeName;
	
	for( i = 0; i < 6; i++ )
	{
		wheelBodyName = spawnArgs.GetString( wheelBodyKeys[i], "" );
		if( !wheelBodyName[0] )
		{
			gameLocal.Error( "idAFEntity_VehicleSixWheels '%s' no '%s' specified", name.c_str(), wheelBodyKeys[i] );
		}
		wheels[i] = af.GetPhysics()->GetBody( wheelBodyName );
		if( !wheels[i] )
		{
			gameLocal.Error( "idAFEntity_VehicleSixWheels '%s' can't find wheel body '%s'", name.c_str(), wheelBodyName );
		}
		wheelJointName = spawnArgs.GetString( wheelJointKeys[i], "" );
		if( !wheelJointName[0] )
		{
			gameLocal.Error( "idAFEntity_VehicleSixWheels '%s' no '%s' specified", name.c_str(), wheelJointKeys[i] );
		}
		wheelJoints[i] = animator.GetJointHandle( wheelJointName );
		if( wheelJoints[i] == INVALID_JOINT )
		{
			gameLocal.Error( "idAFEntity_VehicleSixWheels '%s' can't find wheel joint '%s'", name.c_str(), wheelJointName );
		}
	}
	
	for( i = 0; i < 4; i++ )
	{
		steeringHingeName = spawnArgs.GetString( steeringHingeKeys[i], "" );
		if( !steeringHingeName[0] )
		{
			gameLocal.Error( "idAFEntity_VehicleSixWheels '%s' no '%s' specified", name.c_str(), steeringHingeKeys[i] );
		}
		steering[i] = static_cast<idAFConstraint_Hinge*>( af.GetPhysics()->GetConstraint( steeringHingeName ) );
		if( !steering[i] )
		{
			gameLocal.Error( "idAFEntity_VehicleSixWheels '%s': can't find steering hinge '%s'", name.c_str(), steeringHingeName );
		}
	}
	
	memset( wheelAngles, 0, sizeof( wheelAngles ) );
	BecomeActive( TH_THINK );
}

/*
================
idAFEntity_VehicleSixWheels::Think
================
*/
void idAFEntity_VehicleSixWheels::Think()
{
	int i;
	idVec3 origin;
	idMat3 axis;
	idRotation rotation;
	
	if( thinkFlags & TH_THINK )
	{
	
		if( player )
		{
			// capture the input from a player
			velocity = g_vehicleVelocity.GetFloat();
			if( player->usercmd.forwardmove < 0 )
			{
				velocity = -velocity;
			}
			force = idMath::Fabs( player->usercmd.forwardmove * g_vehicleForce.GetFloat() ) * ( 1.0f / 128.0f );
			steerAngle = GetSteerAngle();
		}
		
		// update the wheel motor force
		for( i = 0; i < 6; i++ )
		{
			wheels[i]->SetContactMotorVelocity( velocity );
			wheels[i]->SetContactMotorForce( force );
		}
		
		// adjust wheel velocity for better steering because there are no differentials between the wheels
		if( steerAngle < 0.0f )
		{
			for( i = 0; i < 3; i++ )
			{
				wheels[( i << 1 )]->SetContactMotorVelocity( velocity * 0.5f );
			}
		}
		else if( steerAngle > 0.0f )
		{
			for( i = 0; i < 3; i++ )
			{
				wheels[1 + ( i << 1 )]->SetContactMotorVelocity( velocity * 0.5f );
			}
		}
		
		// update the wheel steering
		steering[0]->SetSteerAngle( steerAngle );
		steering[1]->SetSteerAngle( steerAngle );
		steering[2]->SetSteerAngle( -steerAngle );
		steering[3]->SetSteerAngle( -steerAngle );
		for( i = 0; i < 4; i++ )
		{
			steering[i]->SetSteerSpeed( 3.0f );
		}
		
		// update the steering wheel
		animator.GetJointTransform( steeringWheelJoint, gameLocal.time, origin, axis );
		rotation.SetVec( axis[2] );
		rotation.SetAngle( -steerAngle );
		animator.SetJointAxis( steeringWheelJoint, JOINTMOD_WORLD, rotation.ToMat3() );
		
		// run the physics
		RunPhysics();
		
		// rotate the wheels visually
		for( i = 0; i < 6; i++ )
		{
			if( force == 0.0f )
			{
				velocity = wheels[i]->GetLinearVelocity() * wheels[i]->GetWorldAxis()[0];
			}
			wheelAngles[i] += velocity * MS2SEC( gameLocal.time - gameLocal.previousTime ) / wheelRadius;
			// give the wheel joint an additional rotation about the wheel axis
			rotation.SetAngle( RAD2DEG( wheelAngles[i] ) );
			axis = af.GetPhysics()->GetAxis( 0 );
			rotation.SetVec( ( wheels[i]->GetWorldAxis() * axis.Transpose() )[2] );
			animator.SetJointAxis( wheelJoints[i], JOINTMOD_WORLD, rotation.ToMat3() );
		}
		
		// spawn dust particle effects
		if( force != 0.0f && !( gameLocal.framenum & 7 ) )
		{
			int numContacts;
			idAFConstraint_Contact* contacts[2];
			for( i = 0; i < 6; i++ )
			{
				numContacts = af.GetPhysics()->GetBodyContactConstraints( wheels[i]->GetClipModel()->GetId(), contacts, 2 );
				for( int j = 0; j < numContacts; j++ )
				{
					gameLocal.smokeParticles->EmitSmoke( dustSmoke, gameLocal.time, gameLocal.random.RandomFloat(), contacts[j]->GetContact().point, contacts[j]->GetContact().normal.ToMat3(), timeGroup /* D3XP */ );
				}
			}
		}
	}
	
	UpdateAnimation();
	if( thinkFlags & TH_UPDATEVISUALS )
	{
		Present();
		LinkCombat();
	}
}

/*
===============================================================================

idAFEntity_VehicleAutomated

===============================================================================
*/
const idEventDef EV_Vehicle_setVelocity( "setVelocity", "f" );
const idEventDef EV_Vehicle_setTorque( "setTorque", "f" );
const idEventDef EV_Vehicle_setSteeringSpeed( "setSteeringSpeed", "f" );
const idEventDef EV_Vehicle_setWaypoint( "setWaypoint", "e" );

CLASS_DECLARATION( idAFEntity_VehicleSixWheels, idAFEntity_VehicleAutomated )
EVENT( EV_PostSpawn,				idAFEntity_VehicleAutomated::PostSpawn )
EVENT( EV_Vehicle_setVelocity,		idAFEntity_VehicleAutomated::Event_SetVelocity )
EVENT( EV_Vehicle_setTorque,		idAFEntity_VehicleAutomated::Event_SetTorque )
EVENT( EV_Vehicle_setSteeringSpeed,	idAFEntity_VehicleAutomated::Event_SetSteeringSpeed )
EVENT( EV_Vehicle_setWaypoint,		idAFEntity_VehicleAutomated::Event_SetWayPoint )
END_CLASS

/*
================
idAFEntity_VehicleAutomated::Spawn
================
*/
void idAFEntity_VehicleAutomated::Spawn()
{

	velocity = force = steerAngle = 0.f;
	currentSteering = steeringSpeed = 0.f;
	originHeight = 0.f;
	waypoint = NULL;
	
	spawnArgs.GetFloat( "velocity", "150", velocity );
	spawnArgs.GetFloat( "torque", "200000", force );
	spawnArgs.GetFloat( "steeringSpeed", "1", steeringSpeed );
	spawnArgs.GetFloat( "originHeight", "0", originHeight );
	
	PostEventMS( &EV_PostSpawn, 0 );
}

/*
================
idAFEntity_VehicleAutomated::PostSpawn
================
*/
void idAFEntity_VehicleAutomated::PostSpawn()
{

	if( targets.Num() )
	{
		waypoint = targets[0].GetEntity();
	}
}

/*
================
idAFEntity_VehicleAutomated::Event_SetVelocity
================
*/
void idAFEntity_VehicleAutomated::Event_SetVelocity( float _velocity )
{
	velocity = _velocity;
}

/*
================
idAFEntity_VehicleAutomated::Event_SetTorque
================
*/
void idAFEntity_VehicleAutomated::Event_SetTorque( float _torque )
{
	force = _torque;
}

/*
================
idAFEntity_VehicleAutomated::Event_SetSteeringSpeed
================
*/
void idAFEntity_VehicleAutomated::Event_SetSteeringSpeed( float _steeringSpeed )
{
	steeringSpeed = _steeringSpeed;
}

/*
================
idAFEntity_VehicleAutomated::Event_SetWayPoint
================
*/
void idAFEntity_VehicleAutomated::Event_SetWayPoint( idEntity* _waypoint )
{
	waypoint = _waypoint;
}

/*
================
idAFEntity_VehicleAutomated::Think
================
*/
#define	HIT_WAYPOINT_THRESHOLD	80.f

void idAFEntity_VehicleAutomated::Think()
{

	// If we don't have a waypoint, coast to a stop
	if( !waypoint )
	{
		velocity = force = steerAngle = 0.f;
		idAFEntity_VehicleSixWheels::Think();
		return;
	}
	
	idVec3 waypoint_origin, vehicle_origin;
	idVec3 travel_vector;
	float distance_from_waypoint;
	
	// Set up the vector from the vehicle origin, to the waypoint
	vehicle_origin = GetPhysics()->GetOrigin();
	vehicle_origin.z -= originHeight;
	
	waypoint_origin = waypoint->GetPhysics()->GetOrigin();
	
	travel_vector = waypoint_origin - vehicle_origin;
	distance_from_waypoint = travel_vector.Length();
	
	// Check if we've hit the waypoint (within a certain threshold)
	if( distance_from_waypoint < HIT_WAYPOINT_THRESHOLD )
	{
		idStr				callfunc;
		const function_t*	func;
		idThread*			thread;
		
		// Waypoints can call script functions
		waypoint->spawnArgs.GetString( "call", "", callfunc );
		if( callfunc.Length() )
		{
			func = gameLocal.program.FindFunction( callfunc );
			if( func != NULL )
			{
				thread = new idThread( func );
				thread->DelayedStart( 0 );
			}
		}
		
		// Get next waypoint
		if( waypoint->targets.Num() )
		{
			waypoint = waypoint->targets[0].GetEntity();
		}
		else
		{
			waypoint = NULL;
		}
		
		// We are switching waypoints, adjust steering next frame
		idAFEntity_VehicleSixWheels::Think();
		return;
	}
	
	idAngles vehicle_angles, travel_angles;
	
	// Get the angles we need to steer towards
	travel_angles = travel_vector.ToAngles().Normalize360();
	vehicle_angles = this->GetPhysics()->GetAxis().ToAngles().Normalize360();
	
	float	delta_yaw;
	
	// Get the shortest steering angle towards the travel angles
	delta_yaw = vehicle_angles.yaw - travel_angles.yaw;
	if( idMath::Fabs( delta_yaw ) > 180.f )
	{
		if( delta_yaw > 0 )
		{
			delta_yaw = delta_yaw - 360;
		}
		else
		{
			delta_yaw = delta_yaw + 360;
		}
	}
	
	// Maximum steering angle is 35 degrees
	delta_yaw = idMath::ClampFloat( -35.f, 35.f, delta_yaw );
	
	idealSteering = delta_yaw;
	
	// Adjust steering incrementally so it doesn't snap to the ideal angle
	if( idMath::Fabs( ( idealSteering - currentSteering ) ) > steeringSpeed )
	{
		if( idealSteering > currentSteering )
		{
			currentSteering += steeringSpeed;
		}
		else
		{
			currentSteering -= steeringSpeed;
		}
	}
	else
	{
		currentSteering = idealSteering;
	}
	
	// DEBUG
	if( g_vehicleDebug.GetBool() )
	{
		gameRenderWorld->DebugBounds( colorRed, idBounds( idVec3( -4, -4, -4 ), idVec3( 4, 4, 4 ) ), vehicle_origin );
		gameRenderWorld->DebugBounds( colorRed, idBounds( idVec3( -4, -4, -4 ), idVec3( 4, 4, 4 ) ), waypoint_origin );
		gameRenderWorld->DrawText( waypoint->name.c_str(), waypoint_origin + idVec3( 0, 0, 16 ), 0.25f, colorYellow, gameLocal.GetLocalPlayer()->viewAxis );
		gameRenderWorld->DebugArrow( colorWhite, vehicle_origin, waypoint_origin, 12.f );
	}
	
	// Set the final steerAngle for the vehicle
	steerAngle = currentSteering;
	
	idAFEntity_VehicleSixWheels::Think();
}

/*
===============================================================================

  idAFEntity_SteamPipe

===============================================================================
*/

CLASS_DECLARATION( idAFEntity_Base, idAFEntity_SteamPipe )
END_CLASS


/*
================
idAFEntity_SteamPipe::idAFEntity_SteamPipe
================
*/
idAFEntity_SteamPipe::idAFEntity_SteamPipe()
{
	steamBody			= 0;
	steamForce			= 0.0f;
	steamUpForce		= 0.0f;
	steamModelDefHandle	= -1;
	memset( &steamRenderEntity, 0, sizeof( steamRenderEntity ) );
}

/*
================
idAFEntity_SteamPipe::~idAFEntity_SteamPipe
================
*/
idAFEntity_SteamPipe::~idAFEntity_SteamPipe()
{
	if( steamModelDefHandle >= 0 )
	{
		gameRenderWorld->FreeEntityDef( steamModelDefHandle );
	}
}

/*
================
idAFEntity_SteamPipe::Save
================
*/
void idAFEntity_SteamPipe::Save( idSaveGame* savefile ) const
{
}

/*
================
idAFEntity_SteamPipe::Restore
================
*/
void idAFEntity_SteamPipe::Restore( idRestoreGame* savefile )
{
	Spawn();
}

/*
================
idAFEntity_SteamPipe::Spawn
================
*/
void idAFEntity_SteamPipe::Spawn()
{
	idVec3 steamDir;
	const char* steamBodyName;
	
	LoadAF();
	
	SetCombatModel();
	
	SetPhysics( af.GetPhysics() );
	
	fl.takedamage = true;
	
	steamBodyName = spawnArgs.GetString( "steamBody", "" );
	steamForce = spawnArgs.GetFloat( "steamForce", "2000" );
	steamUpForce = spawnArgs.GetFloat( "steamUpForce", "10" );
	steamDir = af.GetPhysics()->GetAxis( steamBody )[2];
	steamBody = af.GetPhysics()->GetBodyId( steamBodyName );
	force.SetPosition( af.GetPhysics(), steamBody, af.GetPhysics()->GetOrigin( steamBody ) );
	force.SetForce( steamDir * -steamForce );
	
	InitSteamRenderEntity();
	
	BecomeActive( TH_THINK );
}

/*
================
idAFEntity_SteamPipe::InitSteamRenderEntity
================
*/
void idAFEntity_SteamPipe::InitSteamRenderEntity()
{
	const char*	temp;
	const idDeclModelDef* modelDef;
	
	memset( &steamRenderEntity, 0, sizeof( steamRenderEntity ) );
	steamRenderEntity.shaderParms[ SHADERPARM_RED ]		= 1.0f;
	steamRenderEntity.shaderParms[ SHADERPARM_GREEN ]	= 1.0f;
	steamRenderEntity.shaderParms[ SHADERPARM_BLUE ]	= 1.0f;
	modelDef = NULL;
	temp = spawnArgs.GetString( "model_steam" );
	if( *temp != '\0' )
	{
		if( !strstr( temp, "." ) )
		{
			modelDef = static_cast<const idDeclModelDef*>( declManager->FindType( DECL_MODELDEF, temp, false ) );
			if( modelDef )
			{
				steamRenderEntity.hModel = modelDef->ModelHandle();
			}
		}
		
		if( !steamRenderEntity.hModel )
		{
			steamRenderEntity.hModel = renderModelManager->FindModel( temp );
		}
		
		if( steamRenderEntity.hModel )
		{
			steamRenderEntity.bounds = steamRenderEntity.hModel->Bounds( &steamRenderEntity );
		}
		else
		{
			steamRenderEntity.bounds.Zero();
		}
		steamRenderEntity.origin = af.GetPhysics()->GetOrigin( steamBody );
		steamRenderEntity.axis = af.GetPhysics()->GetAxis( steamBody );
		steamModelDefHandle = gameRenderWorld->AddEntityDef( &steamRenderEntity );
	}
}

/*
================
idAFEntity_SteamPipe::Think
================
*/
void idAFEntity_SteamPipe::Think()
{
	idVec3 steamDir;
	
	if( thinkFlags & TH_THINK )
	{
		steamDir.x = gameLocal.random.CRandomFloat() * steamForce;
		steamDir.y = gameLocal.random.CRandomFloat() * steamForce;
		steamDir.z = steamUpForce;
		force.SetForce( steamDir );
		force.Evaluate( gameLocal.time );
		//gameRenderWorld->DebugArrow( colorWhite, af.GetPhysics()->GetOrigin( steamBody ), af.GetPhysics()->GetOrigin( steamBody ) - 10.0f * steamDir, 4 );
	}
	
	if( steamModelDefHandle >= 0 )
	{
		steamRenderEntity.origin = af.GetPhysics()->GetOrigin( steamBody );
		steamRenderEntity.axis = af.GetPhysics()->GetAxis( steamBody );
		gameRenderWorld->UpdateEntityDef( steamModelDefHandle, &steamRenderEntity );
	}
	
	idAFEntity_Base::Think();
}


/*
===============================================================================

  idAFEntity_ClawFourFingers

===============================================================================
*/

const idEventDef EV_SetFingerAngle( "setFingerAngle", "f" );
const idEventDef EV_StopFingers( "stopFingers" );

CLASS_DECLARATION( idAFEntity_Base, idAFEntity_ClawFourFingers )
EVENT( EV_SetFingerAngle,		idAFEntity_ClawFourFingers::Event_SetFingerAngle )
EVENT( EV_StopFingers,			idAFEntity_ClawFourFingers::Event_StopFingers )
END_CLASS

static const char* clawConstraintNames[] =
{
	"claw1", "claw2", "claw3", "claw4"
};

/*
================
idAFEntity_ClawFourFingers::idAFEntity_ClawFourFingers
================
*/
idAFEntity_ClawFourFingers::idAFEntity_ClawFourFingers()
{
	fingers[0]	= NULL;
	fingers[1]	= NULL;
	fingers[2]	= NULL;
	fingers[3]	= NULL;
}

/*
================
idAFEntity_ClawFourFingers::Save
================
*/
void idAFEntity_ClawFourFingers::Save( idSaveGame* savefile ) const
{
	int i;
	
	for( i = 0; i < 4; i++ )
	{
		fingers[i]->Save( savefile );
	}
}

/*
================
idAFEntity_ClawFourFingers::Restore
================
*/
void idAFEntity_ClawFourFingers::Restore( idRestoreGame* savefile )
{
	int i;
	
	for( i = 0; i < 4; i++ )
	{
		fingers[i] = static_cast<idAFConstraint_Hinge*>( af.GetPhysics()->GetConstraint( clawConstraintNames[i] ) );
		fingers[i]->Restore( savefile );
	}
	
	SetCombatModel();
	LinkCombat();
}

/*
================
idAFEntity_ClawFourFingers::Spawn
================
*/
void idAFEntity_ClawFourFingers::Spawn()
{
	int i;
	
	LoadAF();
	
	SetCombatModel();
	
	af.GetPhysics()->LockWorldConstraints( true );
	af.GetPhysics()->SetForcePushable( true );
	SetPhysics( af.GetPhysics() );
	
	fl.takedamage = true;
	
	for( i = 0; i < 4; i++ )
	{
		fingers[i] = static_cast<idAFConstraint_Hinge*>( af.GetPhysics()->GetConstraint( clawConstraintNames[i] ) );
		if( !fingers[i] )
		{
			gameLocal.Error( "idClaw_FourFingers '%s': can't find claw constraint '%s'", name.c_str(), clawConstraintNames[i] );
		}
	}
}

/*
================
idAFEntity_ClawFourFingers::Event_SetFingerAngle
================
*/
void idAFEntity_ClawFourFingers::Event_SetFingerAngle( float angle )
{
	int i;
	
	for( i = 0; i < 4; i++ )
	{
		fingers[i]->SetSteerAngle( angle );
		fingers[i]->SetSteerSpeed( 0.5f );
	}
	af.GetPhysics()->Activate();
}

/*
================
idAFEntity_ClawFourFingers::Event_StopFingers
================
*/
void idAFEntity_ClawFourFingers::Event_StopFingers()
{
	int i;
	
	for( i = 0; i < 4; i++ )
	{
		fingers[i]->SetSteerAngle( fingers[i]->GetAngle() );
	}
}


/*
===============================================================================

  editor support routines

===============================================================================
*/


/*
================
idGameEdit::AF_SpawnEntity
================
*/
bool idGameEdit::AF_SpawnEntity( const char* fileName )
{
	idDict args;
	idPlayer* player;
	idAFEntity_Generic* ent;
	const idDeclAF* af;
	idVec3 org;
	float yaw;
	
	player = gameLocal.GetLocalPlayer();
	if( !player || !gameLocal.CheatsOk( false ) )
	{
		return false;
	}
	
	af = static_cast<const idDeclAF*>( declManager->FindType( DECL_AF, fileName ) );
	if( !af )
	{
		return false;
	}
	
	yaw = player->viewAngles.yaw;
	args.Set( "angle", va( "%f", yaw + 180 ) );
	org = player->GetPhysics()->GetOrigin() + idAngles( 0, yaw, 0 ).ToForward() * 80 + idVec3( 0, 0, 1 );
	args.Set( "origin", org.ToString() );
	args.Set( "spawnclass", "idAFEntity_Generic" );
	if( af->model[0] )
	{
		args.Set( "model", af->model.c_str() );
	}
	else
	{
		args.Set( "model", fileName );
	}
	if( af->skin[0] )
	{
		args.Set( "skin", af->skin.c_str() );
	}
	args.Set( "articulatedFigure", fileName );
	args.Set( "nodrop", "1" );
	ent = static_cast<idAFEntity_Generic*>( gameLocal.SpawnEntityType( idAFEntity_Generic::Type, &args ) );
	
	// always update this entity
	ent->BecomeActive( TH_THINK );
	ent->KeepRunningPhysics();
	ent->fl.forcePhysicsUpdate = true;
	
	player->dragEntity.SetSelected( ent );
	
	return true;
}

/*
================
idGameEdit::AF_UpdateEntities
================
*/
void idGameEdit::AF_UpdateEntities( const char* fileName )
{
	idEntity* ent;
	idAFEntity_Base* af;
	idStr name;
	
	name = fileName;
	name.StripFileExtension();
	
	// reload any idAFEntity_Generic which uses the given articulated figure file
	for( ent = gameLocal.spawnedEntities.Next(); ent != NULL; ent = ent->spawnNode.Next() )
	{
		if( ent->IsType( idAFEntity_Base::Type ) )
		{
			af = static_cast<idAFEntity_Base*>( ent );
			if( name.Icmp( af->GetAFName() ) == 0 )
			{
				af->LoadAF();
				af->GetAFPhysics()->PutToRest();
			}
		}
	}
}

/*
================
idGameEdit::AF_UndoChanges
================
*/
void idGameEdit::AF_UndoChanges()
{
	int i, c;
	idEntity* ent;
	idAFEntity_Base* af;
	idDeclAF* decl;
	
	c = declManager->GetNumDecls( DECL_AF );
	for( i = 0; i < c; i++ )
	{
		decl = static_cast<idDeclAF*>( const_cast<idDecl*>( declManager->DeclByIndex( DECL_AF, i, false ) ) );
		if( !decl->modified )
		{
			continue;
		}
		
		decl->Invalidate();
		declManager->FindType( DECL_AF, decl->GetName() );
		
		// reload all AF entities using the file
		for( ent = gameLocal.spawnedEntities.Next(); ent != NULL; ent = ent->spawnNode.Next() )
		{
			if( ent->IsType( idAFEntity_Base::Type ) )
			{
				af = static_cast<idAFEntity_Base*>( ent );
				if( idStr::Icmp( decl->GetName(), af->GetAFName() ) == 0 )
				{
					af->LoadAF();
				}
			}
		}
	}
}

/*
================
GetJointTransform
================
*/
typedef struct
{
	renderEntity_t* ent;
	const idMD5Joint* joints;
} jointTransformData_t;

static bool GetJointTransform( void* model, const idJointMat* frame, const char* jointName, idVec3& origin, idMat3& axis )
{
	int i;
	jointTransformData_t* data = reinterpret_cast<jointTransformData_t*>( model );
	
	for( i = 0; i < data->ent->numJoints; i++ )
	{
		if( data->joints[i].name.Icmp( jointName ) == 0 )
		{
			break;
		}
	}
	if( i >= data->ent->numJoints )
	{
		return false;
	}
	origin = frame[i].ToVec3();
	axis = frame[i].ToMat3();
	return true;
}

/*
================
GetArgString
================
*/
static const char* GetArgString( const idDict& args, const idDict* defArgs, const char* key )
{
	const char* s;
	
	s = args.GetString( key );
	if( !s[0] && defArgs )
	{
		s = defArgs->GetString( key );
	}
	return s;
}

/*
================
idGameEdit::AF_CreateMesh
================
*/
idRenderModel* idGameEdit::AF_CreateMesh( const idDict& args, idVec3& meshOrigin, idMat3& meshAxis, bool& poseIsSet )
{
	int i, jointNum;
	const idDeclAF* af = NULL;
	const idDeclAF_Body* fb = NULL;
	renderEntity_t ent;
	idVec3 origin, *bodyOrigin = NULL, *newBodyOrigin = NULL, *modifiedOrigin = NULL;
	idMat3 axis, *bodyAxis = NULL, *newBodyAxis = NULL, *modifiedAxis = NULL;
	declAFJointMod_t* jointMod = NULL;
	idAngles angles;
	const idDict* defArgs = NULL;
	const idKeyValue* arg = NULL;
	idStr name;
	jointTransformData_t data;
	const char* classname = NULL, *afName = NULL, *modelName = NULL;
	idRenderModel* md5 = NULL;
	const idDeclModelDef* modelDef = NULL;
	const idMD5Anim* MD5anim = NULL;
	const idMD5Joint* MD5joint = NULL;
	const idMD5Joint* MD5joints = NULL;
	int numMD5joints;
	idJointMat* originalJoints = NULL;
	int parentNum;
	
	poseIsSet = false;
	meshOrigin.Zero();
	meshAxis.Identity();
	
	classname = args.GetString( "classname" );
	defArgs = gameLocal.FindEntityDefDict( classname );
	
	// get the articulated figure
	afName = GetArgString( args, defArgs, "articulatedFigure" );
	af = static_cast<const idDeclAF*>( declManager->FindType( DECL_AF, afName ) );
	if( !af )
	{
		return NULL;
	}
	
	// get the md5 model
	modelName = GetArgString( args, defArgs, "model" );
	modelDef = static_cast< const idDeclModelDef*>( declManager->FindType( DECL_MODELDEF, modelName, false ) );
	if( !modelDef )
	{
		return NULL;
	}
	
	// make sure model hasn't been purged
	if( modelDef->ModelHandle() && !modelDef->ModelHandle()->IsLoaded() )
	{
		modelDef->ModelHandle()->LoadModel();
	}
	
	// get the md5
	md5 = modelDef->ModelHandle();
	if( !md5 || md5->IsDefaultModel() )
	{
		return NULL;
	}
	
	// get the articulated figure pose anim
	int animNum = modelDef->GetAnim( "af_pose" );
	if( !animNum )
	{
		return NULL;
	}
	const idAnim* anim = modelDef->GetAnim( animNum );
	if( !anim )
	{
		return NULL;
	}
	MD5anim = anim->MD5Anim( 0 );
	MD5joints = md5->GetJoints();
	numMD5joints = md5->NumJoints();
	
	// setup a render entity
	memset( &ent, 0, sizeof( ent ) );
	ent.customSkin = modelDef->GetSkin();
	ent.bounds.Clear();
	ent.numJoints = numMD5joints;
	ent.joints = ( idJointMat* )_alloca16( ent.numJoints * sizeof( *ent.joints ) );
	
	// create animation from of the af_pose
	ANIM_CreateAnimFrame( md5, MD5anim, ent.numJoints, ent.joints, 1, modelDef->GetVisualOffset(), false );
	
	// buffers to store the initial origin and axis for each body
	bodyOrigin = ( idVec3* ) _alloca16( af->bodies.Num() * sizeof( idVec3 ) );
	bodyAxis = ( idMat3* ) _alloca16( af->bodies.Num() * sizeof( idMat3 ) );
	newBodyOrigin = ( idVec3* ) _alloca16( af->bodies.Num() * sizeof( idVec3 ) );
	newBodyAxis = ( idMat3* ) _alloca16( af->bodies.Num() * sizeof( idMat3 ) );
	
	// finish the AF positions
	data.ent = &ent;
	data.joints = MD5joints;
	af->Finish( GetJointTransform, ent.joints, &data );
	
	// get the initial origin and axis for each AF body
	for( i = 0; i < af->bodies.Num(); i++ )
	{
		fb = af->bodies[i];
		
		if( fb->modelType == TRM_BONE )
		{
			// axis of bone trace model
			axis[2] = fb->v2.ToVec3() - fb->v1.ToVec3();
			axis[2].Normalize();
			axis[2].NormalVectors( axis[0], axis[1] );
			axis[1] = -axis[1];
		}
		else
		{
			axis = fb->angles.ToMat3();
		}
		
		newBodyOrigin[i] = bodyOrigin[i] = fb->origin.ToVec3();
		newBodyAxis[i] = bodyAxis[i] = axis;
	}
	
	// get any new body transforms stored in the key/value pairs
	for( arg = args.MatchPrefix( "body ", NULL ); arg; arg = args.MatchPrefix( "body ", arg ) )
	{
		name = arg->GetKey();
		name.Strip( "body " );
		for( i = 0; i < af->bodies.Num(); i++ )
		{
			fb = af->bodies[i];
			if( fb->name.Icmp( name ) == 0 )
			{
				break;
			}
		}
		if( i >= af->bodies.Num() )
		{
			continue;
		}
		sscanf( arg->GetValue(), "%f %f %f %f %f %f", &origin.x, &origin.y, &origin.z, &angles.pitch, &angles.yaw, &angles.roll );
		
		if( fb != NULL && fb->jointName.Icmp( "origin" ) == 0 )
		{
			meshAxis = bodyAxis[i].Transpose() * angles.ToMat3();
			meshOrigin = origin - bodyOrigin[i] * meshAxis;
			poseIsSet = true;
		}
		else
		{
			newBodyOrigin[i] = origin;
			newBodyAxis[i] = angles.ToMat3();
		}
	}
	
	// save the original joints
	originalJoints = ( idJointMat* )_alloca16( numMD5joints * sizeof( originalJoints[0] ) );
	memcpy( originalJoints, ent.joints, numMD5joints * sizeof( originalJoints[0] ) );
	
	// buffer to store the joint mods
	jointMod = ( declAFJointMod_t* ) _alloca16( numMD5joints * sizeof( declAFJointMod_t ) );
	memset( jointMod, -1, numMD5joints * sizeof( declAFJointMod_t ) );
	modifiedOrigin = ( idVec3* ) _alloca16( numMD5joints * sizeof( idVec3 ) );
	memset( modifiedOrigin, 0, numMD5joints * sizeof( idVec3 ) );
	modifiedAxis = ( idMat3* ) _alloca16( numMD5joints * sizeof( idMat3 ) );
	memset( modifiedAxis, 0, numMD5joints * sizeof( idMat3 ) );
	
	// get all the joint modifications
	for( i = 0; i < af->bodies.Num(); i++ )
	{
		fb = af->bodies[i];
		
		if( fb->jointName.Icmp( "origin" ) == 0 )
		{
			continue;
		}
		
		for( jointNum = 0; jointNum < numMD5joints; jointNum++ )
		{
			if( MD5joints[jointNum].name.Icmp( fb->jointName ) == 0 )
			{
				break;
			}
		}
		
		if( jointNum >= 0 && jointNum < ent.numJoints )
		{
			jointMod[ jointNum ] = fb->jointMod;
			modifiedAxis[ jointNum ] = ( bodyAxis[i] * originalJoints[jointNum].ToMat3().Transpose() ).Transpose() * ( newBodyAxis[i] * meshAxis.Transpose() );
			// FIXME: calculate correct modifiedOrigin
			modifiedOrigin[ jointNum ] = originalJoints[ jointNum ].ToVec3();
		}
	}
	
	// apply joint modifications to the skeleton
	MD5joint = MD5joints + 1;
	for( i = 1; i < numMD5joints; i++, MD5joint++ )
	{
	
		parentNum = MD5joint->parent - MD5joints;
		idMat3 parentAxis = originalJoints[ parentNum ].ToMat3();
		idMat3 localm = originalJoints[i].ToMat3() * parentAxis.Transpose();
		idVec3 localt = ( originalJoints[i].ToVec3() - originalJoints[ parentNum ].ToVec3() ) * parentAxis.Transpose();
		
		switch( jointMod[i] )
		{
			case DECLAF_JOINTMOD_ORIGIN:
			{
				ent.joints[ i ].SetRotation( localm * ent.joints[ parentNum ].ToMat3() );
				ent.joints[ i ].SetTranslation( modifiedOrigin[ i ] );
				break;
			}
			case DECLAF_JOINTMOD_AXIS:
			{
				ent.joints[ i ].SetRotation( modifiedAxis[ i ] );
				ent.joints[ i ].SetTranslation( ent.joints[ parentNum ].ToVec3() + localt * ent.joints[ parentNum ].ToMat3() );
				break;
			}
			case DECLAF_JOINTMOD_BOTH:
			{
				ent.joints[ i ].SetRotation( modifiedAxis[ i ] );
				ent.joints[ i ].SetTranslation( modifiedOrigin[ i ] );
				break;
			}
			default:
			{
				ent.joints[ i ].SetRotation( localm * ent.joints[ parentNum ].ToMat3() );
				ent.joints[ i ].SetTranslation( ent.joints[ parentNum ].ToVec3() + localt * ent.joints[ parentNum ].ToMat3() );
				break;
			}
		}
	}
	
	// instantiate a mesh using the joint information from the render entity
	return md5->InstantiateDynamicModel( &ent, NULL, NULL );
}


/*
===============================================================================
idHarvestable
===============================================================================
*/

const idEventDef EV_Harvest_SpawnHarvestTrigger( "<spawnHarvestTrigger>", NULL );

CLASS_DECLARATION( idEntity, idHarvestable )
EVENT( EV_Harvest_SpawnHarvestTrigger,	idHarvestable::Event_SpawnHarvestTrigger )
EVENT( EV_Touch,						idHarvestable::Event_Touch )
END_CLASS

idHarvestable::idHarvestable()
{
	trigger = NULL;
	parentEnt = NULL;
}

idHarvestable::~idHarvestable()
{
	if( trigger )
	{
		delete trigger;
		trigger = NULL;
	}
}

void idHarvestable::Spawn()
{

	startTime = 0;
	
	spawnArgs.GetFloat( "triggersize", "120", triggersize );
	spawnArgs.GetFloat( "give_delay", "3", giveDelay );
	giveDelay *= 1000;
	given = false;
	
	removeDelay = spawnArgs.GetFloat( "remove_delay" ) * 1000.0f;
	
	fxFollowPlayer = spawnArgs.GetBool( "fx_follow_player", "1" );
	fxOrient = spawnArgs.GetString( "fx_orient" );
	
	
}

void idHarvestable::Init( idEntity* parent )
{

	assert( parent );
	
	parentEnt = parent;
	
	GetPhysics()->SetOrigin( parent->GetPhysics()->GetOrigin() );
	this->Bind( parent, true );
	
	//Set the skin of the entity to the harvest skin
	idStr skin = parent->spawnArgs.GetString( "skin_harvest", "" );
	if( skin.Length() )
	{
		parent->SetSkin( declManager->FindSkin( skin.c_str() ) );
	}
	
	idEntity* head = NULL;
	if( parent->IsType( idActor::Type ) )
	{
		idActor* withHead = ( idActor* )parent;
		head = withHead->GetHeadEntity();
	}
	if( parent->IsType( idAFEntity_WithAttachedHead::Type ) )
	{
		idAFEntity_WithAttachedHead* withHead = ( idAFEntity_WithAttachedHead* )parent;
		head = withHead->head.GetEntity();
	}
	if( head )
	{
		idStr headskin = parent->spawnArgs.GetString( "skin_harvest_head", "" );
		if( headskin.Length() )
		{
			head->SetSkin( declManager->FindSkin( headskin.c_str() ) );
		}
	}
	
	idStr sound = parent->spawnArgs.GetString( "harvest_sound" );
	if( sound.Length() > 0 )
	{
		parent->StartSound( sound.c_str(), SND_CHANNEL_ANY, 0, false, NULL );
	}
	
	
	PostEventMS( &EV_Harvest_SpawnHarvestTrigger, 0 );
}

void idHarvestable::Save( idSaveGame* savefile ) const
{
	savefile->WriteFloat( triggersize );
	savefile->WriteClipModel( trigger );
	savefile->WriteFloat( giveDelay );
	savefile->WriteFloat( removeDelay );
	savefile->WriteBool( given );
	
	player.Save( savefile );
	savefile->WriteInt( startTime );
	
	savefile->WriteBool( fxFollowPlayer );
	fx.Save( savefile );
	savefile->WriteString( fxOrient );
	
	parentEnt.Save( savefile );
}

void idHarvestable::Restore( idRestoreGame* savefile )
{
	savefile->ReadFloat( triggersize );
	savefile->ReadClipModel( trigger );
	savefile->ReadFloat( giveDelay );
	savefile->ReadFloat( removeDelay );
	savefile->ReadBool( given );
	
	player.Restore( savefile );
	savefile->ReadInt( startTime );
	
	savefile->ReadBool( fxFollowPlayer );
	fx.Restore( savefile );
	savefile->ReadString( fxOrient );
	
	parentEnt.Restore( savefile );
}

void idHarvestable::SetParent( idEntity* parent )
{
	parentEnt = parent;
}

void idHarvestable::Think()
{

	idEntity* parent = parentEnt.GetEntity();
	if( !parent )
	{
		return;
	}
	
	//Update the orientation of the box
	if( trigger && parent && !parent->GetPhysics()->IsAtRest() )
	{
		trigger->Link( gameLocal.clip, this, 0, parent->GetPhysics()->GetOrigin(), parent->GetPhysics()->GetAxis() );
	}
	
	if( startTime && gameLocal.slow.time - startTime > giveDelay && ! given )
	{
		idPlayer* thePlayer = player.GetEntity();
		
		thePlayer->Give( spawnArgs.GetString( "give_item" ), spawnArgs.GetString( "give_value" ), ITEM_GIVE_FEEDBACK | ITEM_GIVE_UPDATE_STATE );
		thePlayer->harvest_lock = false;
		given = true;
	}
	
	if( startTime && gameLocal.slow.time - startTime > removeDelay )
	{
		parent->PostEventMS( &EV_Remove, 0 );
		PostEventMS( &EV_Remove, 0 );
	}
	
	if( fxFollowPlayer )
	{
		idEntityFx* fxEnt = fx.GetEntity();
		
		if( fxEnt )
		{
			idMat3 orientAxisLocal;
			if( GetFxOrientationAxis( orientAxisLocal ) )
			{
				//gameRenderWorld->DebugAxis(fxEnt->GetPhysics()->GetOrigin(), orientAxisLocal);
				fxEnt->GetPhysics()->SetAxis( orientAxisLocal );
			}
		}
	}
}

/*
================
idAFEntity_Harvest::Gib
Called when the parent object has been gibbed.
================
*/
void idHarvestable::Gib()
{
	//Stop any looping sound that was playing
	idEntity* parent = parentEnt.GetEntity();
	if( parent )
	{
		idStr sound = parent->spawnArgs.GetString( "harvest_sound" );
		if( sound.Length() > 0 )
		{
			parent->StopSound( SND_CHANNEL_ANY, false );
		}
	}
}

/*
================
idAFEntity_Harvest::BeginBurn
================
*/
void idHarvestable::BeginBurn()
{

	idEntity* parent = parentEnt.GetEntity();
	if( !parent )
	{
		return;
	}
	
	if( !spawnArgs.GetBool( "burn" ) )
	{
		return;
	}
	
	
	//Switch Skins if the parent would like us to.
	idStr skin = parent->spawnArgs.GetString( "skin_harvest_burn", "" );
	if( skin.Length() )
	{
		parent->SetSkin( declManager->FindSkin( skin.c_str() ) );
	}
	parent->GetRenderEntity()->noShadow = true;
	parent->SetShaderParm( SHADERPARM_TIME_OF_DEATH, gameLocal.slow.time * 0.001f );
	
	idEntity* head = NULL;
	if( parent->IsType( idActor::Type ) )
	{
		idActor* withHead = ( idActor* )parent;
		head = withHead->GetHeadEntity();
	}
	if( parent->IsType( idAFEntity_WithAttachedHead::Type ) )
	{
		idAFEntity_WithAttachedHead* withHead = ( idAFEntity_WithAttachedHead* )parent;
		head = withHead->head.GetEntity();
	}
	if( head )
	{
		idStr headskin = parent->spawnArgs.GetString( "skin_harvest_burn_head", "" );
		if( headskin.Length() )
		{
			head->SetSkin( declManager->FindSkin( headskin.c_str() ) );
		}
		
		head->GetRenderEntity()->noShadow = true;
		head->SetShaderParm( SHADERPARM_TIME_OF_DEATH, gameLocal.slow.time * 0.001f );
	}
	
	
	
}

/*
================
idAFEntity_Harvest::BeginFX
================
*/
void idHarvestable::BeginFX()
{
	if( strlen( spawnArgs.GetString( "fx" ) ) <= 0 )
	{
		return;
	}
	
	idMat3* orientAxis = NULL;
	idMat3 orientAxisLocal;
	
	if( GetFxOrientationAxis( orientAxisLocal ) )
	{
		orientAxis = &orientAxisLocal;
	}
	fx = idEntityFx::StartFx( spawnArgs.GetString( "fx" ), NULL, orientAxis, this, spawnArgs.GetBool( "fx_bind" ) );
}

/*
================
idAFEntity_Harvest::CalcTriggerBounds
================
*/
void idHarvestable::CalcTriggerBounds( float size, idBounds& bounds )
{

	idEntity* parent = parentEnt.GetEntity();
	if( !parent )
	{
		return;
	}
	
	//Simple trigger bounds is the absolute bounds of the AF plus a defined size
	bounds = parent->GetPhysics()->GetAbsBounds();
	bounds.ExpandSelf( size );
	bounds[0] -= parent->GetPhysics()->GetOrigin();
	bounds[1] -= parent->GetPhysics()->GetOrigin();
}

bool idHarvestable::GetFxOrientationAxis( idMat3& mat )
{

	idEntity* parent = parentEnt.GetEntity();
	if( !parent )
	{
		return false;
	}
	
	idPlayer* thePlayer = player.GetEntity();
	
	if( !fxOrient.Icmp( "up" ) )
	{
		//Orient up
		idVec3 grav = parent->GetPhysics()->GetGravityNormal() * -1;
		idVec3 left, up;
		
		grav.OrthogonalBasis( left, up );
		idMat3 temp( left.x, left.y, left.z, up.x, up.y, up.z, grav.x, grav.y, grav.z );
		mat = temp;
		
		return true;
		
	}
	else if( !fxOrient.Icmp( "weapon" ) )
	{
		//Orient the fx towards the muzzle of the weapon
		jointHandle_t	joint;
		idVec3	joint_origin;
		idMat3	joint_axis;
		
		joint = thePlayer->weapon.GetEntity()->GetAnimator()->GetJointHandle( spawnArgs.GetString( "fx_weapon_joint" ) );
		if( joint != INVALID_JOINT )
		{
			thePlayer->weapon.GetEntity()->GetJointWorldTransform( joint, gameLocal.slow.time, joint_origin, joint_axis );
		}
		else
		{
			joint_origin = thePlayer->GetPhysics()->GetOrigin();
		}
		
		idVec3 toPlayer = joint_origin - parent->GetPhysics()->GetOrigin();
		toPlayer.NormalizeFast();
		
		idVec3 left, up;
		toPlayer.OrthogonalBasis( left, up );
		idMat3 temp( left.x, left.y, left.z, up.x, up.y, up.z, toPlayer.x, toPlayer.y, toPlayer.z );
		mat = temp;
		
		return true;
		
	}
	else if( !fxOrient.Icmp( "player" ) )
	{
		//Orient the fx towards the eye of the player
		idVec3 eye = thePlayer->GetEyePosition();
		idVec3 toPlayer = eye - parent->GetPhysics()->GetOrigin();
		
		toPlayer.Normalize();
		
		idVec3 left, up;
		up.Set( 0, 1, 0 );
		left = toPlayer.Cross( up );
		up = left.Cross( toPlayer );
		
		
		//common->Printf("%.2f %.2f %.2f - %.2f %.2f %.2f - %.2f %.2f %.2f\n", toPlayer.x, toPlayer.y, toPlayer.z, left.x, left.y, left.z, up.x, up.y, up.z );
		
		idMat3 temp( left.x, left.y, left.z, up.x, up.y, up.z, toPlayer.x, toPlayer.y, toPlayer.z );
		
		mat = temp;
		
		return true;
	}
	
	//Returning false indicates that the orientation is not used;
	return false;
}

/*
================
idAFEntity_Harvest::Event_SpawnHarvestTrigger
================
*/
void idHarvestable::Event_SpawnHarvestTrigger()
{
	idBounds		bounds;
	
	idEntity* parent = parentEnt.GetEntity();
	if( !parent )
	{
		return;
	}
	
	CalcTriggerBounds( triggersize, bounds );
	
	// create a trigger clip model
	trigger = new( TAG_PHYSICS_CLIP_AF ) idClipModel( idTraceModel( bounds ) );
	trigger->Link( gameLocal.clip, this, 255, parent->GetPhysics()->GetOrigin(), mat3_identity );
	trigger->SetContents( CONTENTS_TRIGGER );
	
	startTime = 0;
}

/*
================
idAFEntity_Harvest::Event_Touch
================
*/
void idHarvestable::Event_Touch( idEntity* other, trace_t* trace )
{

	idEntity* parent = parentEnt.GetEntity();
	if( !parent )
	{
		return;
	}
	if( parent->IsType( idAFEntity_Gibbable::Type ) )
	{
		idAFEntity_Gibbable* gibParent = ( idAFEntity_Gibbable* )parent;
		if( gibParent->IsGibbed() )
			return;
	}
	
	
	if( !startTime && other && other->IsType( idPlayer::Type ) )
	{
		idPlayer* thePlayer = static_cast<idPlayer*>( other );
		
		if( thePlayer->harvest_lock )
		{
			//Don't harvest if the player is in mid harvest
			return;
		}
		
		player = thePlayer;
		
		bool okToGive = true;
		idStr requiredWeapons = spawnArgs.GetString( "required_weapons" );
		
		if( requiredWeapons.Length() > 0 )
		{
			idStr playerWeap = thePlayer->GetCurrentWeapon();
			if( playerWeap.Length() == 0 || requiredWeapons.Find( playerWeap, false ) == -1 )
			{
				okToGive = false;
			}
		}
		
		if( okToGive )
		{
			if( thePlayer->CanGive( spawnArgs.GetString( "give_item" ), spawnArgs.GetString( "give_value" ) ) )
			{
			
				startTime = gameLocal.slow.time;
				
				//Lock the player from harvesting to prevent multiple harvests when only one is needed
				thePlayer->harvest_lock = true;
				
				idWeapon* weap = ( idWeapon* )thePlayer->weapon.GetEntity();
				if( weap )
				{
					//weap->PostEventMS(&EV_Weapon_State, 0, "Charge", 8);
					weap->ProcessEvent( &EV_Weapon_State, "Charge", 8 );
				}
				
				BeginBurn();
				BeginFX();
				
				//Stop any looping sound that was playing
				idStr sound = parent->spawnArgs.GetString( "harvest_sound" );
				if( sound.Length() > 0 )
				{
					parent->StopSound( SND_CHANNEL_ANY, false );
				}
				
				//Make the parent object non-solid
				parent->GetPhysics()->SetContents( 0 );
				parent->GetPhysics()->GetClipModel()->Unlink();
				
				//Turn of the trigger so it doesn't process twice
				trigger->SetContents( 0 );
			}
		}
	}
}


/*
===============================================================================

idAFEntity_Harvest

===============================================================================
*/

const idEventDef EV_Harvest_SpawnHarvestEntity( "<spawnHarvestEntity>", NULL );

CLASS_DECLARATION( idAFEntity_WithAttachedHead, idAFEntity_Harvest )
EVENT( EV_Harvest_SpawnHarvestEntity,	idAFEntity_Harvest::Event_SpawnHarvestEntity )
END_CLASS

/*
================
idAFEntity_Harvest::idAFEntity_Harvest
================
*/
idAFEntity_Harvest::idAFEntity_Harvest()
{
	harvestEnt = NULL;
}

/*
================
idAFEntity_Harvest::~idAFEntity_Harvest
================
*/
idAFEntity_Harvest::~idAFEntity_Harvest()
{

	if( harvestEnt.GetEntity() )
	{
		harvestEnt.GetEntity()->PostEventMS( &EV_Remove, 0 );
	}
	
}

/*
================
idAFEntity_Harvest::Save
================
*/
void idAFEntity_Harvest::Save( idSaveGame* savefile ) const
{
	harvestEnt.Save( savefile );
}

/*
================
idAFEntity_Harvest::Restore
================
*/
void idAFEntity_Harvest::Restore( idRestoreGame* savefile )
{
	harvestEnt.Restore( savefile );
	//if(harvestEnt.GetEntity()) {
	//	harvestEnt.GetEntity()->SetParent(this);
	//}
}

/*
================
idAFEntity_Harvest::Spawn
================
*/
void idAFEntity_Harvest::Spawn()
{

	PostEventMS( &EV_Harvest_SpawnHarvestEntity, 0 );
}

/*
================
idAFEntity_Harvest::Think
================
*/
void idAFEntity_Harvest::Think()
{

	idAFEntity_WithAttachedHead::Think();
	
}

void idAFEntity_Harvest::Event_SpawnHarvestEntity()
{

	const idDict* harvestDef = gameLocal.FindEntityDefDict( spawnArgs.GetString( "def_harvest_type" ), false );
	if( harvestDef )
	{
		idEntity* temp;
		gameLocal.SpawnEntityDef( *harvestDef, &temp, false );
		harvestEnt = static_cast<idHarvestable*>( temp );
	}
	
	if( harvestEnt.GetEntity() )
	{
		//Let the harvest entity set itself up
		harvestEnt.GetEntity()->Init( this );
		harvestEnt.GetEntity()->BecomeActive( TH_THINK );
	}
}

void idAFEntity_Harvest::Gib( const idVec3& dir, const char* damageDefName )
{
	if( harvestEnt.GetEntity() )
	{
		//Let the harvest ent know that we gibbed
		harvestEnt.GetEntity()->Gib();
	}
	idAFEntity_WithAttachedHead::Gib( dir, damageDefName );
}