/GameSwingDoor.cpp

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of Penumbra Overture.
 *
 * Penumbra Overture 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.
 *
 * Penumbra Overture 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 Penumbra Overture.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "StdAfx.h"
#include "GameSwingDoor.h"

#include "Init.h"
#include "MapHandler.h"
#include "Player.h"
#include "EffectHandler.h"

//-----------------------------------------------------------------------

//////////////////////////////////////////////////////////////////////////
// LOADER
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

cEntityLoader_GameSwingDoor::cEntityLoader_GameSwingDoor(const tString &asName, cInit *apInit)
: cEntityLoader_Object(asName)
{
	mpInit = apInit;

}

cEntityLoader_GameSwingDoor::~cEntityLoader_GameSwingDoor()
{

}

//-----------------------------------------------------------------------

void cEntityLoader_GameSwingDoor::BeforeLoad(TiXmlElement *apRootElem, const cMatrixf &a_mtxTransform,
										  cWorld3D *apWorld)
{

}

//-----------------------------------------------------------------------

void cEntityLoader_GameSwingDoor::AfterLoad(TiXmlElement *apRootElem, const cMatrixf &a_mtxTransform,
										 cWorld3D *apWorld)
{
	cGameSwingDoor *pObject = hplNew( cGameSwingDoor, (mpInit,mpEntity->GetName()) );

	pObject->msFileName = msFileName;
	pObject->m_mtxOnLoadTransform = a_mtxTransform;

	// Set the engine objects to the object
	pObject->SetBodies(mvBodies);
	pObject->SetJoints(mvJoints);
	pObject->SetMeshEntity(mpEntity);
	pObject->SetHapticShapes(mvHapticShapes);

	///////////////////////////////////
	// Load game properties
	TiXmlElement *pGameElem = apRootElem->FirstChildElement("GAME");
	if(pGameElem)
	{
		pObject->mfHealth = cString::ToFloat(pGameElem->Attribute("Health"),0);
		pObject->mlToughness = cString::ToInt(pGameElem->Attribute("Toughness"),0);

		pObject->msBreakSound = cString::ToString(pGameElem->Attribute("BreakSound"),"");

		pObject->msBreakEntity = cString::ToString(pGameElem->Attribute("BreakEntity"),"");
		pObject->msBreakPS = cString::ToString(pGameElem->Attribute("BreakPS"),"");
	}
	else
	{
		Error("Couldn't find game element for entity '%s'\n",mpEntity->GetName().c_str());
	}

	///////////////////////////////////
	// Add a the object as user data to the body, to get the obejct later on.
	for(size_t i=0; i<mvBodies.size(); ++i)
	{
		if(mvBodies[i])
		{
			mvBodies[i]->SetUserData((void*)pObject);
		}
	}

	pObject->SetupPhysics(apWorld);
	pObject->SetupBreakObject();

	/////////////////////////////////
	// Add to map handler
	mpInit->mpMapHandler->AddGameEntity(pObject);
}

//-----------------------------------------------------------------------


//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

cGameSwingDoor::cGameSwingDoor(cInit *apInit,const tString& asName) : iGameEntity(apInit,asName)
{
	mType = eGameEntityType_SwingDoor;
    mbHasInteraction = true;

	mbPauseControllers = true;
	mbPauseGravity = true;

	mbLocked = false;

	mfHealth = 100.0f;
}

//-----------------------------------------------------------------------

cGameSwingDoor::~cGameSwingDoor(void)
{
	iPhysicsWorld *pPhysicsWorld = mpInit->mpGame->GetScene()->GetWorld3D()->GetPhysicsWorld();

	//for(size_t i=0; i<mvStopControllers.size(); ++i)
	//{
	//	pPhysicsWorld->DestroyController(mvStopControllers[i]);
	//}
}

//-----------------------------------------------------------------------

//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

void cGameSwingDoor::SetupPhysics(cWorld3D *apWorld)
{
	mvJointDefaults.resize(mvJoints.size());

	iPhysicsWorld *pPhysicsWorld = apWorld->GetPhysicsWorld();

	for(size_t i=0; i<mvJoints.size(); ++i)
	{
		iPhysicsJoint *pJoint = mvJoints[i];
		
		///////////////////////////////////
		//Create Stop controller
		iPhysicsController *pController = pPhysicsWorld->CreateController("Stop");
		
		//pController->SetBody(pJoint->GetChildBody());
		//pController->SetJoint(pJoint);
		
		pController->SetActive(true);
		pController->SetType(ePhysicsControllerType_Pid); 
		pController->SetA(1.5f);
		pController->SetB(1.0f);
		pController->SetC(0.0f);
		pController->SetPidIntegralSize(20);

		pController->SetInputType(ePhysicsControllerInput_AngularSpeed,ePhysicsControllerAxis_Y);
		pController->SetDestValue(.0f);

		pController->SetOutputType(ePhysicsControllerOutput_Torque,ePhysicsControllerAxis_Y);
		pController->SetMaxOutput(0.0f);
		pController->SetMulMassWithOutput(true);

		pJoint->AddController(pController);

		mvStopControllers.push_back(pController);

		///////////////////////////////////
		//Set defaults
		iPhysicsJointHinge *pHingeJoint = static_cast<iPhysicsJointHinge*>(pJoint);

		mvJointDefaults[i].mfMin = pHingeJoint->GetMinAngle();
		mvJointDefaults[i].mfMax = pHingeJoint->GetMaxAngle();
	}
}

//-----------------------------------------------------------------------

void cGameSwingDoor::OnPlayerPick()
{
}

//-----------------------------------------------------------------------

void cGameSwingDoor::OnPlayerInteract()
{
	float fDist = mpInit->mpPlayer->GetPickedDist();

	if(fDist > mfMaxInteractDist) return;
	if(mpInit->mbHasHaptics && mpInit->mpPlayer->mbProxyTouching==false) return;

	//Set some properties
	mpInit->mpPlayer->mfForwardUpMul = 1.0f;
	mpInit->mpPlayer->mfForwardRightMul = 1.0f;

	mpInit->mpPlayer->mfUpMul = 1.0f;
	mpInit->mpPlayer->mfRightMul = 1.0f;

	mpInit->mpPlayer->mfCurrentMaxInteractDist = mfMaxInteractDist;

	if(!mpInit->mbHasHaptics)
	{
		mpInit->mpPlayer->SetPushBody(mpInit->mpPlayer->GetPickedBody());
		mpInit->mpPlayer->ChangeState(ePlayerState_Move);
	}
	else
	{
		mpInit->mpPlayer->mbPickAtPoint = true;
		mpInit->mpPlayer->mbRotateWithPlayer = false;
		mpInit->mpPlayer->mbUseNormalMass = false;
		mpInit->mpPlayer->mfGrabMassMul = 1;

		mpInit->mpPlayer->mfHapticTorqueMul = 1.0f;

		mpInit->mpPlayer->mbCanBeThrown = true;
		mpInit->mpPlayer->mbGrabbingMoveBody = true;

		mpInit->mpPlayer->SetPushBody(mpInit->mpPlayer->GetPickedBody());
		mpInit->mpPlayer->ChangeState(ePlayerState_Grab);
	}
		
}

//-----------------------------------------------------------------------

void cGameSwingDoor::Update(float afTimeStep)
{
}

//-----------------------------------------------------------------------

void cGameSwingDoor::SetLocked(bool abX)
{
	if(mbLocked == abX) return;

	mbLocked = abX;

	for(size_t i=0; i<mvJoints.size(); ++i)
	{
		iPhysicsJoint *pJoint = mvJoints[i];
		iPhysicsJointHinge *pHingeJoint = static_cast<iPhysicsJointHinge*>(pJoint);
		
		if(mbLocked)
		{
			if(std::abs(pHingeJoint->GetMinAngle()) > std::abs(pHingeJoint->GetMaxAngle()))
				pHingeJoint->SetMinAngle(cMath::ToRad(-1));
			else
				pHingeJoint->SetMaxAngle(cMath::ToRad(1));
		}
		else
		{
			pHingeJoint->SetMinAngle(mvJointDefaults[i].mfMin);
			pHingeJoint->SetMaxAngle(mvJointDefaults[i].mfMax);
		}
	}

	for(size_t i=0; i<mvBodies.size(); ++i)
	{
		iPhysicsBody *pBody = mvBodies[i];
		pBody->SetEnabled(true);
	}
}

//-----------------------------------------------------------------------

void cGameSwingDoor::OnDamage(float afDamage)
{
}

//-----------------------------------------------------------------------

void cGameSwingDoor::OnDeath(float afDamage)
{
	if(msBreakSound != "")
	{
		cSoundEntity *pSound = mpInit->mpGame->GetScene()->GetWorld3D()->CreateSoundEntity("Break",msBreakSound,true);
		if(pSound)
			pSound->SetPosition(mvBodies[0]->GetWorldPosition());
	}
	
	if(msBreakEntity == "")
	{
		///////////////////////////
		//Break all joints.
		for(size_t i=0; i< mvJoints.size();++i)
		{
			mvJoints[i]->Break();
		}
		mvJoints.clear();
	}
	else
	{
		Break();
	}
}

//-----------------------------------------------------------------------

void cGameSwingDoor::BreakAction()
{
	if(mvBodies.empty()) return;

	iPhysicsBody *pDynBody = NULL;
	iPhysicsBody *pStaticBody = NULL;

	for(size_t i=0; i < mvBodies.size();++i)
	{
		if(mvBodies[i]->GetMass()!=0) pDynBody = mvBodies[i];
		if(mvBodies[i]->GetMass()==0) pStaticBody = mvBodies[i];
	}

	if(pDynBody==NULL && pStaticBody==NULL) return;

	//////////////////
	//Script
	if(mvCallbackScripts[eGameEntityScriptType_OnBreak])
	{
		tString sCommand = GetScriptCommand(eGameEntityScriptType_OnBreak);
		mpInit->RunScriptCommand(sCommand);
	}

	cWorld3D *pWorld = mpInit->mpGame->GetScene()->GetWorld3D();

	//////////////////
	//Check if player os holding object
	if( (mpInit->mpPlayer->GetState()==ePlayerState_Grab ||
		mpInit->mpPlayer->GetState()==ePlayerState_Move ||
		mpInit->mpPlayer->GetState()==ePlayerState_Push)
		&&
		(mpInit->mpPlayer->GetPushBody() == pDynBody ||
		 mpInit->mpPlayer->GetPushBody() == pStaticBody))
	{
		mpInit->mpPlayer->ChangeState(ePlayerState_Normal);
	}

	cBoundingVolume *pBV = mpMeshEntity->GetBoundingVolume();

	//////////////////
	//Particle System
	if(msBreakPS!="")
	{
		cParticleSystem3D *pPS = pWorld->CreateParticleSystem("Break",msBreakPS,cVector3f(1,1,1),
													pDynBody->GetWorldMatrix());
	}
	
	//////////////////
	//Entity
	if(msBreakEntity != "")
	{
		iEntity3D * pEntity = pWorld->CreateEntity(mpMeshEntity->GetName() + "_broken",
													pDynBody->GetWorldMatrix(),
													msBreakEntity, true);
		if(pEntity)
		{
			iGameEntity *pGameEntity = mpInit->mpMapHandler->GetLatestEntity();

			cVector3f vImpulse = mvLastImpulse * 2;// / (float)pGameEntity->GetBodyNum();

			for(int i=0; i< pGameEntity->GetBodyNum(); ++i)
			{
				//Add the object velocity
				iPhysicsBody *pNewBody = pGameEntity->GetBody(i);
				
				if(pNewBody->GetMass()==0 && pStaticBody)
				{
					pNewBody->SetMatrix(pStaticBody->GetWorldMatrix());
				}

				//pNewBody->SetLinearVelocity(pBody->GetLinearVelocity());
				pNewBody->AddImpulse(vImpulse);
			}
		}
	}

	mpInit->mpGame->ResetLogicTimer();
}

//-----------------------------------------------------------------------

void cGameSwingDoor::SetupBreakObject()
{	
	if(msBreakEntity!="") PreloadModel(msBreakEntity);
	if(msBreakPS!="") 
	{
		cParticleSystem3D *pPS  = mpInit->mpGame->GetResources()->GetParticleManager()->CreatePS3D(
			"",msBreakPS,1,cMatrixf::Identity);
		hplDelete( pPS );
	}
	if(msBreakSound!="")
	{
		mpInit->PreloadSoundEntityData(msBreakSound);
	}
}

//-----------------------------------------------------------------------


//-----------------------------------------------------------------------

//////////////////////////////////////////////////////////////////////////
// SAVE OBJECT STUFF
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

kBeginSerialize(cGameSwingDoor_SaveData,iGameEntity_SaveData)
kSerializeVar(mbLocked, eSerializeType_Bool)

kSerializeVar(msBreakSound, eSerializeType_String)
kSerializeVar(msBreakEntity, eSerializeType_String)
kSerializeVar(msBreakPS, eSerializeType_String)
kEndSerialize()

//-----------------------------------------------------------------------

iGameEntity* cGameSwingDoor_SaveData::CreateEntity()
{
	return NULL;	
}

//-----------------------------------------------------------------------

iGameEntity_SaveData* cGameSwingDoor::CreateSaveData()
{
	return hplNew( cGameSwingDoor_SaveData, () );
}

//-----------------------------------------------------------------------

void cGameSwingDoor::SaveToSaveData(iGameEntity_SaveData *apSaveData)
{
	__super::SaveToSaveData(apSaveData);
	cGameSwingDoor_SaveData *pData = static_cast<cGameSwingDoor_SaveData*>(apSaveData);

	kCopyToVar(pData,mbLocked);

	kCopyToVar(pData,msBreakSound);
	kCopyToVar(pData,msBreakEntity);
	kCopyToVar(pData,msBreakPS);
}

//-----------------------------------------------------------------------

void cGameSwingDoor::LoadFromSaveData(iGameEntity_SaveData *apSaveData)
{
	__super::LoadFromSaveData(apSaveData);
	cGameSwingDoor_SaveData *pData = static_cast<cGameSwingDoor_SaveData*>(apSaveData);

	kCopyFromVar(pData,msBreakSound);
	kCopyFromVar(pData,msBreakEntity);
	kCopyFromVar(pData,msBreakPS);

	SetLocked(pData->mbLocked);
}
//-----------------------------------------------------------------------


//-----------------------------------------------------------------------