RoomGrid.h

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// SPDX-FileCopyrightText: 2026 Valentin Eloy
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include "Core/Levels/GridPosition.h"

 
namespace hmi {

struct RoomBounds {
    int column = 0;
    int row = 0;
    int width = 0;
    int height = 0;
};

class RoomGrid {
public:
    static constexpr int ROOM_WIDTH_TILES = 24;
    static constexpr int ROOM_HEIGHT_TILES = 14;

    RoomGrid(int levelWidth, int levelHeight, int roomWidthTiles = ROOM_WIDTH_TILES,
             int roomHeightTiles = ROOM_HEIGHT_TILES);

    [[nodiscard]] int roomWidthTiles() const noexcept {
        return _roomWidthTiles;
    }

    [[nodiscard]] int roomHeightTiles() const noexcept {
        return _roomHeightTiles;
    }

    [[nodiscard]] int columns() const noexcept {
        return _columns;
    }

    [[nodiscard]] int rows() const noexcept {
        return _rows;
    }

    [[nodiscard]] core::GridPosition roomIndexAt(core::GridPosition tile) const noexcept;

    [[nodiscard]] RoomBounds roomBounds(core::GridPosition roomIndex) const noexcept;
 
private:
    int _levelWidth;
    int _levelHeight;
    int _roomWidthTiles;
    int _roomHeightTiles;
    int _columns;
    int _rows;
};
 
}  // namespace hmi