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// ==============================================================
// This file is part of Glest (www.glest.org)
//
// Copyright (C) 2001-2008 Martio Figueroa
//
// You can redistribute this code and/or modify it under
// the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version
// ==============================================================
#include "menu_background.h"
#include <ctime>
#include "renderer.h"
#include "core_data.h"
#include "config.h"
#include "xml_parser.h"
#include "util.h"
#include "game_constants.h"
#include "leak_dumper.h"
using namespace Shared::Util;
using namespace Shared::Xml;
using namespace Shared::Graphics;
namespace Glest{ namespace Game{
// =====================================================
// class MenuBackground
// =====================================================
MenuBackground::MenuBackground(){
Renderer &renderer= Renderer::getInstance();
//load data
XmlTree xmlTree;
xmlTree.load("data/core/menu/menu.xml");
const XmlNode *menuNode= xmlTree.getRootNode();
//water
const XmlNode *waterNode= menuNode->getChild("water");
water= waterNode->getAttribute("value")->getBoolValue();
if(water){
waterHeight= waterNode->getAttribute("height")->getFloatValue();
//water texture
waterTexture= renderer.newTexture2D(rsMenu);
waterTexture->getPixmap()->init(4);
waterTexture->getPixmap()->load("data/core/menu/textures/water.tga");
}
//fog
const XmlNode *fogNode= menuNode->getChild("fog");
fog= fogNode->getAttribute("value")->getBoolValue();
if(fog){
fogDensity= fogNode->getAttribute("density")->getFloatValue();
}
//rain
rain= menuNode->getChild("rain")->getAttribute("value")->getBoolValue();
if(rain){
RainParticleSystem *rps= new RainParticleSystem();
rps->setSpeed(12.f/GameConstants::updateFps);
rps->setEmissionRate(25);
rps->setWind(-90.f, 4.f/GameConstants::updateFps);
rps->setPos(Vec3f(0.f, 25.f, 0.f));
rps->setColor(Vec4f(1.f, 1.f, 1.f, 0.2f));
rps->setRadius(30.f);
renderer.manageParticleSystem(rps, rsMenu);
for(int i=0; i<raindropCount; ++i){
raindropStates[i]= random.randRange(0.f, 1.f);
raindropPos[i]= computeRaindropPos();
}
}
//camera
const XmlNode *cameraNode= menuNode->getChild("camera");
//position
const XmlNode *positionNode= cameraNode->getChild("start-position");
Vec3f startPosition;
startPosition.x= positionNode->getAttribute("x")->getFloatValue();
startPosition.y= positionNode->getAttribute("y")->getFloatValue();
startPosition.z= positionNode->getAttribute("z")->getFloatValue();
camera.setPosition(startPosition);
//rotation
const XmlNode *rotationNode= cameraNode->getChild("start-rotation");
Vec3f startRotation;
startRotation.x= rotationNode->getAttribute("x")->getFloatValue();
startRotation.y= rotationNode->getAttribute("y")->getFloatValue();
startRotation.z= rotationNode->getAttribute("z")->getFloatValue();
camera.setOrientation(Quaternion(EulerAngles(
degToRad(startRotation.x),
degToRad(startRotation.y),
degToRad(startRotation.z))));
//load main model
mainModel= renderer.newModel(rsMenu);
mainModel->load("data/core/menu/main_model/menu_main.g3d");
//models
for(int i=0; i<5; ++i){
characterModels[i]= renderer.newModel(rsMenu);
characterModels[i]->load("data/core/menu/about_models/character"+intToStr(i)+".g3d");
}
//about position
positionNode= cameraNode->getChild("about-position");
aboutPosition.x= positionNode->getAttribute("x")->getFloatValue();
aboutPosition.y= positionNode->getAttribute("y")->getFloatValue();
aboutPosition.z= positionNode->getAttribute("z")->getFloatValue();
rotationNode= cameraNode->getChild("about-rotation");
targetCamera= NULL;
t= 0.f;
fade= 0.f;
anim= 0.f;
}
void MenuBackground::setTargetCamera(const Camera *targetCamera){
this->targetCamera= targetCamera;
this->lastCamera= camera;
t= 0.f;
}
void MenuBackground::update(){
//rain drops
for(int i=0; i<raindropCount; ++i){
raindropStates[i]+= 1.f / GameConstants::updateFps;
if(raindropStates[i]>=1.f){
raindropStates[i]= 0.f;
raindropPos[i]= computeRaindropPos();
}
}
if(targetCamera!=NULL){
t+= ((0.01f+(1.f-t)/10.f)/20.f)*(60.f/GameConstants::updateFps);
//interpolate position
camera.setPosition(lastCamera.getPosition().lerp(t, targetCamera->getPosition()));
//interpolate orientation
Quaternion q= lastCamera.getOrientation().lerp(t, targetCamera->getOrientation());
camera.setOrientation(q);
if(t>=1.f){
targetCamera= NULL;
t= 0.f;
}
}
//fade
if(fade<=1.f){
fade+= 0.6f/GameConstants::updateFps;
if(fade>1.f){
fade= 1.f;
}
}
//animation
anim+=(0.6f/GameConstants::updateFps)/5+random.randRange(0.f, (0.6f/GameConstants::updateFps)/5.f);
if(anim>1.f){
anim= 0.f;
}
}
Vec2f MenuBackground::computeRaindropPos(){
float f= static_cast<float>(meshSize);
return Vec2f(random.randRange(-f, f), random.randRange(-f, f));
}
}}//end namespace
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