module Types.GameMap where

import Data.Vector

import Linear

-- internal imports

import Types.Texture

data LevelMap = LevelMap
  { mapLayers     :: Vector MapLayer -- ^ Layer stack
  , mapWalkLayer  :: Word            -- ^ Collision layer index in stack
  , mapDimensions :: V2 Word         -- ^ Dimension of map in tiles
  , mapTileMap    :: TileMap         -- ^ The tile map
  , mapStartPos   :: V2 Word         -- ^ Player start position
  }
  deriving (Eq, Show)

newtype MapLayer = MapLayer
  { layerTiles :: Vector Tile -- ^ Tiles of this layer
  }
  deriving (Eq, Show)

data Tile = Tile
  { tileOffset :: V2 Word  -- ^ Offset of this tile on the tile map
  , tileType   :: TileType -- ^ Type of tile
  }
  deriving (Eq, Show)

data TileType
  = Solid
  | Platform
  | Decoration
  deriving (Enum, Ord, Eq, Show)

data TileMap = TileMap
  { tileMapDimensions :: V2 Word  -- ^ Dimensions of tile map image in pixels
  , tileMapTexture    :: Texture  -- ^ Texture object on GPU
  }
  deriving (Eq, Show)

data LevelDescriptor = LevelDescriptor
  { levelLayerPath     :: [(Word, FilePath)] -- ^ Indexed paths to the layers
  , levelWalkLayer     :: Word               -- ^ Index of walk layer
  , levelTileMap       :: FilePath           -- ^ Filepath to tile map
  , levelStartPos      :: (Word, Word)       -- ^ Player start position
  -- , levelCollectibles  :: [(V2 Word, ())]    -- | TODO; Collectibles and their tile coords
  -- , levelEnemies       :: [(V2 Word, ())]    -- | TODO: Enemies and their tile coords
  -- , levelInteractables :: [(V2 Word, ())]    -- | TODO: Interactables and their coords
  }
  deriving (Eq, Show)