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// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
// *
// * 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 3 of the License, or
// * (at your option) any later version.
// *
// * This program 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 this program. If not, see http://www.gnu.org/licenses/.
/**
* \file graphics/engine/planet.h
* \brief Planet rendering - Gfx::CPlanet class
*/
#pragma once
#include "common/event.h"
#include "math/point.h"
#include <vector>
class CInstanceManager;
namespace Gfx {
class CEngine;
/**
* \struct Planet
* \brief Planet texture definition
*/
struct Planet
{
//! Initial position in degrees
Math::Point start;
//! Current position in degrees
Math::Point angle;
//! Dimensions (0..1)
float dim;
//! Speed
float speed;
//! Direction in the sky
float dir;
//! Name of the texture
std::string name;
//! Texture mapping
Math::Point uv1, uv2;
// TODO: make all textures transparent?
//! Transparent texture
bool transparent;
Planet()
{
dim = speed = dir = 0.0f;
transparent = false;
}
};
/**
* \class CPlanet
* \brief Planet manager
*
* Draws the planets orbiting in the sky.
*
* Planets are drawn in 2D mode, at coordinates calculated from camera position.
*/
class CPlanet
{
public:
CPlanet(CInstanceManager* iMan, Gfx::CEngine* engine);
~CPlanet();
//! Removes all the planets
void Flush();
//! Management of an event
bool EventProcess(const Event &event);
//! Creates a new planet
void Create(int mode, Math::Point start, float dim, float speed, float dir,
const std::string& name, Math::Point uv1, Math::Point uv2);
//! Indicates if there is at least one planet
bool PlanetExist();
//! Load all the textures for the planets
void LoadTexture();
//! Draws all the planets
void Draw();
//@{
//! Choice of mode
void SetMode(int mode);
int GetMode();
//@}
protected:
//! Makes the planets evolve
bool EventFrame(const Event &event);
protected:
CInstanceManager* m_iMan;
Gfx::CEngine* m_engine;
float m_time;
int m_mode;
std::vector<Gfx::Planet> m_planet[2];
bool m_planetExist;
};
}; // namespace Gfx
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