source: orxonox.OLD/branches/atmospheric_engine/src/lib/graphics/effects/lightening_effect.cc @ 8449

/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

### File Specific:
   main-programmer: hdavid, amaechler
*/

#include "lightening_effect.h"

#include "state.h"
#include "util/loading/load_param.h"
#include "util/loading/factory.h"
#include "effects/billboard.h"

#include "glincl.h"
#include "parser/tinyxml/tinyxml.h"

#include "shell_command.h"
#include "light.h"

SHELL_COMMAND(activate, LighteningEffect, activateLightening);
SHELL_COMMAND(deactivate, LighteningEffect, deactivateLightening);

using namespace std;

CREATE_FACTORY(LighteningEffect, CL_LIGHTENING_EFFECT);

// TODO: FIx Lightening with Fog enabled

LighteningEffect::LighteningEffect(const TiXmlElement* root)
{
        this->setClassID(CL_LIGHTENING_EFFECT, "LighteningEffect");
  
        this->init();

        if (root != NULL)
                this->loadParams(root);

        if(this->lighteningActivate)
                this->activate();
}

LighteningEffect::~LighteningEffect()
{
        this->deactivate();
}

void LighteningEffect::loadParams(const TiXmlElement* root)
{
        WeatherEffect::loadParams(root);

        LoadParam(root, "coord", this, LighteningEffect, coord);
        LoadParam(root, "frequency", this, LighteningEffect, setFlashFrequency);
        LoadParam(root, "const-time", this, LighteningEffect, setFlashConstTime);
        LoadParam(root, "rising-time", this, LighteningEffect, setFlashRisingTime);
        LoadParam(root, "size", this, LighteningEffect, setFlashSize);
        LoadParam(root, "seed", this, LighteningEffect, setFlashSeed);

        LOAD_PARAM_START_CYCLE(root, element);
        {
                LoadParam_CYCLE(element, "option", this, LighteningEffect, setLighteningOption);
        }
        LOAD_PARAM_END_CYCLE(element);
}


bool LighteningEffect::init()
{
        //default values
        this->lighteningActivate = false;
        
        this->time = 0.0;
        this->flashFrequency = 4.0f;
        this->mainFrequency = 4.0f;
        this->flashConstTime = 0.1f;
        this->flashRisingTime = 0.03f;
        
        this->width = 700.0f;
        this->height = 250.0f;
        this->seedWidth = 50.0f;
        this->seedHeight = 50.0f;
        this->bNewCoordinate = false;
  this->lighteningMove = false;
        
        this->seedX = 500.f;
        this->seedZ = 1000.0f;
        this->seedTime = 2.0f;
  
  this->mainPosX = 3000;
  this->mainPosY = 900;
  this->mainPosZ = 0;
        
        // initialize lightening textures
        this->billboard[0] = new Billboard(NULL);
        this->billboard[0]->setTexture("maps/lightning_bolt1.png");
        this->billboard[0]->setSize(this->width, this->height);
        this->billboard[0]->setVisibiliy(false);
        
        this->billboard[1] = new Billboard(NULL);
        this->billboard[1]->setTexture("maps/lightning_bolt2.png");
        this->billboard[1]->setSize(this->width, this->height);
        this->billboard[1]->setVisibiliy(false);
        
        this->billboard[2] = new Billboard(NULL);
        this->billboard[2]->setTexture("maps/lightning_bolt3.png");
        this->billboard[2]->setSize(this->width, this->height);
        this->billboard[2]->setVisibiliy(false);
        
        this->billboard[3] = new Billboard(NULL);
        this->billboard[3]->setTexture("maps/lightning_bolt4.png");
        this->billboard[3]->setSize(this->width, this->height);
        this->billboard[3]->setVisibiliy(false);
        
        if (this->lighteningMove) {
                this->cameraCoor = State::getCameraNode()->getAbsCoor();
                this->billboard[0]->setAbsCoor(this->cameraCoor.x+3000,900,this->cameraCoor.z+0);
                this->billboard[1]->setAbsCoor(this->cameraCoor.x+3000,900,this->cameraCoor.z+0);
                this->billboard[2]->setAbsCoor(this->cameraCoor.x+3000,900,this->cameraCoor.z+0);
                this->billboard[3]->setAbsCoor(this->cameraCoor.x+3000,900,this->cameraCoor.z+0);
        } else {
                this->billboard[0]->setAbsCoor(3000,900,0);
                this->billboard[1]->setAbsCoor(3000,900,0);
                this->billboard[2]->setAbsCoor(3000,900,0);
                this->billboard[3]->setAbsCoor(3000,900,0);
        }
        
        this->flashLight = new Light();
        this->flashLight->setDiffuseColor(0,0,0);
        this->flashLight->setSpecularColor(0,0,0);
        
        /*
        this->soundSource = NULL;
        this->thunderBuffer = NULL;
        
        this->soundSource.setSourceNode(this);
        
        //load sound
        if (this->thunderBuffer != NULL)
        ResourceManager::getInstance()->unload(this->thunderBuffer);
        this->thunderBuffer = (OrxSound::SoundBuffer*)ResourceManager::getInstance()->load("sound/thunder.wav", WAV);*/

        return 0;
}

void LighteningEffect::coord(float x, float y, float z)
{
        if (this->lighteningMove) {
                this->cameraCoor = State::getCameraNode()->getAbsCoor();
                this->billboard[0]->setAbsCoor(this->cameraCoor.x+x, y, this->cameraCoor.z+z);
                this->billboard[1]->setAbsCoor(this->cameraCoor.x+x, y, this->cameraCoor.z+z);
                this->billboard[2]->setAbsCoor(this->cameraCoor.x+x, y, this->cameraCoor.z+z);
                this->billboard[3]->setAbsCoor(this->cameraCoor.x+x, y, this->cameraCoor.z+z);
        } else {
                this->billboard[0]->setAbsCoor(x, y, z);
                this->billboard[1]->setAbsCoor(x, y, z);
                this->billboard[2]->setAbsCoor(x, y, z);
                this->billboard[3]->setAbsCoor(x, y, z);
        }

        this->mainPosX = x;
        this->mainPosY = y;
        this->mainPosZ = z;
}


void LighteningEffect::setFlashSize(float width, float height, float seedWidth, float seedHeight)
{
        this->width = width;
        this->height = height;
        this->seedWidth = seedWidth;
        this->seedHeight = seedHeight;

        this->billboard[0]->setSize(this->width, this->height);
        this->billboard[1]->setSize(this->width, this->height);
        this->billboard[2]->setSize(this->width, this->height);
        this->billboard[3]->setSize(this->width, this->height);
}


bool LighteningEffect::activate()
{
        PRINTF(0)( "Activating LighteningEffect\n" );
        this->lighteningActivate = true;

        this->time = 0;

        return 0;
}


bool LighteningEffect::deactivate()
{
        PRINTF(0)("Deactivating LighteningEffect\n");
        this->lighteningActivate = false;

        this->billboard[0]->setVisibiliy(false);
        this->billboard[1]->setVisibiliy(false);
        this->billboard[2]->setVisibiliy(false);
        this->billboard[3]->setVisibiliy(false);

        return 0;
}

void LighteningEffect::tick (float dt)
{
        if(!lighteningActivate)
                return;
        
        this->time += dt;

        // TODO: Make random flashing with short light dingsda:)
        
        if( this->time > this->flashFrequency) {
        
                this->billboard[0]->setVisibiliy(true);
                this->time = 0.0f;
        
                this->flashLight->setAbsCoor(this->billboard[0]->getAbsCoor().x, this->billboard[0]->getAbsCoor().y, this->billboard[0]->getAbsCoor().z);

                // flash environmental lightening
                this->flashLight->setDiffuseColor(1,1,1);
                this->flashLight->setSpecularColor(1,1,1);
        
                //this->soundSource.play(this->thunderBuffer);

        } else if( this->billboard[3]->isVisible() && this->time > this->flashConstTime) {
        
                this->billboard[3]->setVisibiliy(false);
                this->time = 0.0f;
                this->flashLight->setDiffuseColor(0,0,0);
                this->flashLight->setSpecularColor(0,0,0);
                this->bNewCoordinate = true;

        }
        
        if( this->billboard[2]->isVisible() && this->time > this->flashRisingTime) {
        
                this->billboard[2]->setVisibiliy(false);
                this->billboard[3]->setVisibiliy(true);
                // this->flashLight->setDiffuseColor(1,1,1);
                // this->flashLight->setSpecularColor(1,1,1);
                
        } else if( this->billboard[1]->isVisible() && this->time > this->flashRisingTime*2/3 ) {
        
                this->billboard[1]->setVisibiliy(false);
                this->billboard[2]->setVisibiliy(true);
                //this->flashLight->setDiffuseColor(0,0,0);
                //this->flashLight->setSpecularColor(0,0,0);
                
        } else if( this->billboard[0]->isVisible() && this->time > this->flashRisingTime*1/3 ) {
        
                this->billboard[0]->setVisibiliy(false);
                this->billboard[1]->setVisibiliy(true);
                //this->flashLight->setDiffuseColor(1,1,1);
                //this->flashLight->setSpecularColor(1,1,1);
                
        }
        
        if( this->bNewCoordinate) {
                float posX, posZ;

                if(this->lighteningMove) {
                
                        this->cameraCoor = State::getCameraNode()->getAbsCoor();
                        posX = this->mainPosX - this->seedX * (float)rand()/(float)RAND_MAX + this->cameraCoor.x;
                        posZ = this->mainPosZ + this->seedZ * (float)rand()/(float)RAND_MAX + this->cameraCoor.z;

                } else {
                
                        posX = this->mainPosX - this->seedX * (float)rand()/(float)RAND_MAX;
                        posZ = this->mainPosZ + this->seedZ * (float)rand()/(float)RAND_MAX;

                }
        
                this->billboard[0]->setAbsCoor(posX, this->mainPosY, posZ);
                this->billboard[1]->setAbsCoor(posX, this->mainPosY, posZ);
                this->billboard[2]->setAbsCoor(posX, this->mainPosY, posZ);
                this->billboard[3]->setAbsCoor(posX, this->mainPosY, posZ);
                
                this->flashFrequency = this->mainFrequency + this->seedTime * (float)rand()/(float)RAND_MAX;
                
                float w = this->width + this->seedWidth * (float)rand()/(float)RAND_MAX;
                float h = this->height + this->seedHeight * (float)rand()/(float)RAND_MAX;
                
                this->billboard[0]->setSize(w, h);
                this->billboard[1]->setSize(w, h);
                this->billboard[2]->setSize(w, h);
                this->billboard[3]->setSize(w, h);
                
                this->bNewCoordinate = false;
        }
}

void LighteningEffect::draw() const
{
}