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import "json" for Json
import "graphics" for ImageData
import "math" for Math
import "./layer_type" for LayerType, ObjectType
import "./entities/player_entity" for Player
class LevelMap {
construct new(mapName, gameState) {
__gameState = gameState
_mapData = Json.load("assets/%(mapName).json")
var tileSheetData = _mapData["tilesets"][0] // Assuming there is only a single tilesheet/level
_tileSheet = ImageData.loadFromFile("assets/%(tileSheetData["image"])")
_tileSheetH = tileSheetData["imageheight"]
_tileSheetW = tileSheetData["imagewidth"]
_tileH = tileSheetData["tileheight"]
_tileW = tileSheetData["tilewidth"]
_mapHeight = _mapData["height"]
_mapWidth = _mapData["width"]
_layers = _mapData["layers"]
_rows = Math.floor(_tileSheetW/_tileW)
_cols = Math.floor(_tileSheetH/_tileH)
_playerPos = {
"x": 0,
"y": 0
}
_levelEntities = []
placeObjects()
}
playerPos = (position) {
_playerPos = position
}
playerPos { _playerPos }
placeObjects() {
for(layer in _layers) {
if(layer["type"] == LayerType.Object) {
for(object in layer["objects"]) {
if(object["type"]==ObjectType.PLAYER) {
playerPos = {
"x": object["x"],
"y": object["y"]
}
_player = Player.new(playerPos["x"], playerPos["y"], __gameState)
__gameState.addEntities(_player)
}
if(object["type"]==ObjectType.COLLIDER) {
__gameState.addCollidable({
"x": Math.floor(object["x"]),
"y": Math.floor(object["y"]),
"width": Math.floor(object["width"]),
"height": Math.floor(object["height"])
})
}
}
}
}
}
draw(x, y) {
var startX = x
var startY = y
for(layer in _layers) {
var index = 0
for(mapYV in 0...(_mapHeight)) {
for(mapXV in 0...(_mapWidth)) {
if((layer["type"] == LayerType.Tile) && (layer["visible"] == true)) {
var tileIndex = layer["data"][index]
if (tileIndex > 0) {
drawTile(tileIndex-1, x, y)
}
}
index = index + 1
x = x + 16
}
y = y + 16
x = startX
}
x = startX
y = startY
}
}
drawTile(tileIndex, mapX, mapY) {
var spriteX = (tileIndex % _rows)
var spriteY = Math.floor ((tileIndex - spriteX) % _cols)
_tileSheet.transform({
"srcX": spriteX * 16,
"srcY": spriteY * 16,
"srcW": _tileW,
"srcH": _tileH,
"scaleX": 1,
"scaleY": 1
}).draw(mapX,mapY)
}
}
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