source: GTP/trunk/App/Games/Jungle_Rumble/src/Weapon.cpp @ 1378

#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);
}