#include "dxstdafx.h"
#include ".\weapon.h"
#include "Player.h"
#include "Scene.h"
#include "SoundNode.h"
#include "GameManager.h"

Weapon::Weapon(void) : Node() {
	for(int i=0;i<STATESIZE;i++) {
		this->setStateTime(i, 0);
		this->soundNode[i] = NULL;
		this->soundNames[i] = "";
	}
	this->enteredState = true;
	this->setState(this->STATE_IDLE);
	this->munitionQuantity = 0;
	this->Cweapon = 12.5;

	//this->leftPos.setXYZ(1.4f, 1.4f, -0.5f);
	//this->rightPos.setXYZ(-1.4f, 1.4f, -0.5f);
	this->leftPos.setXYZ(1.6f, 1.6f, -0.5f);
	this->rightPos.setXYZ(-1.6f, 1.6f, -0.5f);
	this->bFire = false;
	this->player = NULL;
	D3DXMatrixIdentity(&this->myWorldMatrix);
}

Weapon::~Weapon(void) {
}

void Weapon::setPlayer(Player &_player) {
	this->player = &_player;
}

void Weapon::setStateTime(int state, float time)
{
	this->timeForState[state] = time;
}

void Weapon::setStateSound(int state, std::string soundfile)
{
	if(soundfile.compare("")!=0) {
		this->soundNames[state] = soundfile;
		this->soundNode[state] = (SoundNode*) this->myScene->createNode(this->myScene->NODE_SOUND);//, *this);
		this->soundNode[state]->loadFile(soundfile, false);
		this->soundNode[state]->setKillSoundNodeAfterPlayed(false);
	}
}

void Weapon::addMunition(int quantity)
{
	this->munitionQuantity+=quantity;
}

int Weapon::getAmo() 
{
	return this->munitionQuantity;
}

void Weapon::fire()
{
	this->bFire = true;
}

void Weapon::update(float dt)
{
	this->myStateTime+=dt;
	switch(this->myState) {
		case this->STATE_IDLE:
			if(this->enteredState) {
				this->enteredState = false;
			}
			if(this->munitionQuantity<=0) {
				this->setState(this->STATE_EMPTY);
				Node::update(dt);
				return;
			}
			if(this->bFire) {
				this->bFire = false;
				this->setState(this->STATE_PRELOAD);
			}
			this->enteredState = false;
			break;
		case this->STATE_PRELOAD:
			if(this->enteredState) {
				if(this->soundNode[this->myState])
					this->soundNode[this->myState]->play();
				this->enteredState = false;
			}
			this->bFire = false;
			if(this->myStateTime>=this->timeForState[this->myState])
				this->setState(this->STATE_FIRE);
			break;
		case this->STATE_FIRE:
			if(this->enteredState) {
				if(this->soundNode[this->myState])
					this->soundNode[this->myState]->play();
				this->doFire();
				this->munitionQuantity--;
				this->enteredState = false;
			}
			this->bFire = false;
			if(this->myStateTime>=this->timeForState[this->myState])
				this->setState(this->STATE_POSTLOAD);
			break;
		case this->STATE_POSTLOAD:
			if(this->enteredState) {
				if(this->soundNode[this->myState])
					this->soundNode[this->myState]->play();
				this->enteredState = false;
			}
			if(this->myStateTime>=this->timeForState[this->myState])
				this->setState(this->STATE_IDLE);
			break;
		case this->STATE_EMPTY:
			if(this->enteredState) {
				this->enteredState = false;
			}
			if(this->munitionQuantity>0) {
				this->setState(this->STATE_IDLE);
			}
			if( this->munitionQuantity<=0 &&
				this->bFire && 
				this->soundNode[this->myState] && 
				this->soundNode[this->myState]->getTimeToPlay()==-1) {

				this->myScene->manager->printToConsole("playing empty sound!");
				this->soundNode[this->myState]->play();
				this->soundNode[this->myState]->setPosition(this->getPosition());
				this->bFire = false;
			}
			break;
	}
	Node::update(dt);
}

void Weapon::setState(int state) {
	this->myState = state;
	this->enteredState = true;
	this->myStateTime = 0;
}

void Weapon::setWeaponType(int type)
{
	this->weaponType = type;
}

int Weapon::getWeaponType()
{
	return this->weaponType;
}

void Weapon::setFireAt(Vector _fireAt)
{
	this->vFireAt = _fireAt;
}

void Weapon::calcWorldMatrix(D3DXMATRIX &pMatWorld)
{
	D3DXVECTOR4 temp;
	this->vRealFireAt = this->vRealFireAt + (this->vFireAt-this->vRealFireAt)*this->Cweapon*this->myScene->getDeltaTime();

	D3DXVec4Transform(&temp, &this->leftPos, &pMatWorld);
	Vector left(temp.x, temp.y, temp.z);
	this->orientWeaponTo(*this->leftWeapon, left);

	D3DXVec4Transform(&temp, &this->rightPos, &pMatWorld);
	Vector right(temp.x, temp.y, temp.z);
	this->orientWeaponTo(*this->rightWeapon, right);

	this->getAbsoluteVector(this->absMinAABBox, this->minAABBox);
	this->getAbsoluteVector(this->absMaxAABBox, this->maxAABBox);
	this->getAbsoluteVector(this->myAbsPos, Vector(0, 0, 0));
}

void Weapon::orientWeaponTo(Object3d &obj, Vector &origin) 
{
	//LookAtMatrix aufstellen
	D3DXMATRIXA16 wMat;
	D3DXMatrixTranslation(&wMat, origin.x, origin.y, origin.z);
	
	//rotationsmatrix berechnen
	//Alpha
	Vector diffXZ;
	Vector diffYZ;
	Vector dirZ(0, 0, 1);
	Vector diff(this->vRealFireAt.x-origin.x, this->vRealFireAt.y-origin.y, this->vRealFireAt.z-origin.z);
	diff.normalize();
	diffXZ = diff;
	diffYZ = diff;
	
	//Alpha
	diff.y = 0;
	diffYZ.normalize();

	//Beta
	diffXZ.y = 0;
	diffXZ.normalize();
	
	float a = (diffYZ.y!=0) ? -acos(diffYZ.dotProd(diff))*diffYZ.y/abs(diffYZ.y): -acos(diffYZ.dotProd(diff));
	//a+=D3DX_PI/2;
	float b = (diffXZ.x!=0) ? acos(diffXZ.dotProd(dirZ))*diffXZ.x/abs(diffXZ.x) : acos(diffXZ.dotProd(dirZ));
	float g = 0;

	D3DXQUATERNION quat;
	D3DXMATRIXA16 rotMat;
	D3DXQuaternionIdentity(&quat);
	D3DXQuaternionRotationYawPitchRoll(&quat, b, a, g);
	D3DXMatrixRotationQuaternion(&rotMat, &quat);

	D3DXMatrixMultiply(&wMat, &rotMat, &wMat);

	obj.setWorldMatrix(wMat);
}

void Weapon::setSoftKill(bool _softKill, float _duration) {
	this->setTimeToLive(_duration);
	Node::setSoftKill(_softKill, _duration);
	this->leftWeapon->setTimeToLive(_duration);
	this->leftWeapon->setSoftKill(_softKill, _duration);
	this->rightWeapon->setTimeToLive(_duration);
	this->rightWeapon->setSoftKill(_softKill, _duration);
}