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//========================================================================
// dng
//------------------------------------------------------------------------
// Copyright (c) 2022 Steph Enders <steph@senders.io>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#ifndef DNG_LEVEL_H
#define DNG_LEVEL_H
#include "SFML/Graphics/RectangleShape.hpp"
#include <memory>
#include <vector>
// tokens from map file
static const char PLAYER_TKN = 'p';
static const char WALL_TKN = 'w';
static const char EMPTY_TKN = '0';
static const char TREASURE_TKN = 't';
static const char ENEMY_TKN = 'e';
static const char BLANK_SPACE = '\0';
static const char WALL_SPACE = '#';
static const char KEY_TKN_START = '1'; // inclusive (1, 2, 3, 4)
static const char KEY_TKN_END = '4'; // inclusive (1, 2, 3, 4)
static const char DOOR_TKN_START = 'a'; // inclusive (a, b, c, d)
static const char DOOR_TKN_END = 'd'; // inclusive (a, b, c, d)
static const char KEY_DOOR_MAPPING[4] = {'a', 'b', 'c', 'd'};
struct Pos {
char token;
int id;
int x;
int y;
sf::RectangleShape sprite;
};
class Level {
public:
explicit Level(const char *filePath);
~Level() = default;
void load();
bool playerCanStep(int dx, int dy) const;
bool tryDoor(int x, int y) const;
bool isDoor(int x, int y) const;
int getEnemyIndex(int id);
bool enemyCanStep(const Pos &pos, int dx, int dy) const;
void reset();
int nextId();
int getWidth() const;
int getHeight() const;
std::vector<std::vector<char>> map; // source copy of map
std::vector<sf::RectangleShape> displayMap;
Pos player;
std::vector<char> heldKeys;
std::vector<Pos> enemyPositions;
std::vector<Pos> treasurePositions;
std::vector<Pos> doorPositions;
std::vector<Pos> keyPositions;
private:
int idCounter = 1; // defaults at 1 (player always 0)
int width{};
int height{};
std::unique_ptr<std::string> file;
};
#endif // DNG_LEVEL_H
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