blame: source/code/ExplosionManager.hpp

/*

===========================================================================

blockattack - Block Attack - Rise of the Blocks

Copyright (C) 2005-2017 Poul Sander

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 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/

Source information and contacts persons can be found at

http://www.blockattack.net

===========================================================================

*/

#ifndef EXPLOSIONMANAGER_HPP

#define EXPLOSIONMANAGER_HPP

#include <array>

//a explosions, non moving

class AnExplosion {

private:

	int x = 0;

	int y = 0;

	Uint8 frameNumber = 0;

#define frameLength 80

	//How long an image in an animation should be showed

#define maxFrame 4

	//How many images there are in the animation

	unsigned long int placeTime = 0; //Then the explosion occored

public:

	bool inUse = false;

	AnExplosion() {

	}

	//constructor:

	AnExplosion(int X, int Y) {

		placeTime = SDL_GetTicks();

		x = X;

		y = Y;

		frameNumber=0;

	}  //constructor

	//true if animation has played and object should be removed from the screen

	bool removeMe() {

		frameNumber = (SDL_GetTicks()-placeTime)/frameLength;

		return (!(frameNumber<maxFrame));

	}

	int getX() {

		return (int)x;

	}

	int getY() {

		return (int)y;

	}

	int getFrame() {

		return frameNumber;

	}

};  //nExplosion

class ExplosionManager {

	static const int maxNumberOfExplosions = 6*12*2*2;

public:

	std::array<AnExplosion, maxNumberOfExplosions> explosionArray;

	ExplosionManager() {

	}

	int addExplosion(int x, int y) {

		size_t explosionNumber = 0;

		while ( explosionNumber<explosionArray.size() && explosionArray[explosionNumber].inUse) {

			explosionNumber++;

		}

		if (explosionNumber==explosionArray.size()) {

			return -1;

		}

		explosionArray[explosionNumber] = AnExplosion(x,y);

		explosionArray[explosionNumber].inUse = true;

		return 1;

	}  //addBall

	void update() {

		for (size_t i = 0; i<explosionArray.size(); i++) {

			if (explosionArray[i].inUse) {

				if (explosionArray[i].removeMe()) {

					explosionArray[i].inUse = false;

				}

			}

		}

	} //update

}; //explosionManager

#endif /* EXPLOSIONMANAGER_HPP */