63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
/*
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* Generator.h
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*
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* Created on: 07.04.2013
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* Author: Felix
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*/
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#ifndef DG_GENERATOR_H_
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#define DG_GENERATOR_H_
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#include <SFML/Graphics.hpp>
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#include "../sprites/Tile.h"
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#include "SimplexNoise.h"
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class World;
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class Pathfinder;
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/**
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* Procedurally generates tiles, chooses player and enemy spawn positions.
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*/
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class Generator {
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public:
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explicit Generator(World& world, Pathfinder& pathfinder);
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void generateCurrentAreaIfNeeded(const sf::Vector2f& position);
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sf::Vector2f getPlayerSpawn() const;
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std::vector<sf::Vector2f> getEnemySpawns(const sf::IntRect& area);
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private:
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typedef Tile::Type type;
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typedef std::map<int, std::map<int, type> > array;
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private:
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void generateAreas(const sf::IntRect& area, const sf::Vector2f& offset);
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void generateTiles(const sf::IntRect& area);
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sf::Vector2i findClosestFloor(const sf::Vector2i& position) const;
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static void fill(array& tiles, const sf::IntRect& area, type value);
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void filterWalls(array& tiles, int x, int y, int longside,
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int shortside, int subtract);
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int countWalls(const sf::IntRect& area);
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static type getTileType(float value);
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private:
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static const int GENERATE_AREA_SIZE;
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static const float GENERATE_AREA_RANGE;
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static const int MARGIN;
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static const float LAYER_TILES;
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static const float LAYER_ENEMIES;
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World& mWorld;
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Pathfinder& mPathfinder;
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/// Contains values of all tiles that have yet been generated.
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array mTiles;
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/// Stores where tiles have already been generated.
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std::map<int, std::map<int, bool> > mGenerated;
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/// Perlin noise used for tile generation.
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SimplexNoise mTileNoise;
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/// Perlin noise used for character placement.
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SimplexNoise mCharacterNoise;
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};
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#endif /* DG_GENERATOR_H_ */
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