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Maps/MapGenerator/roomImageLoader.gd

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+extends Object
+class_name RoomImageLoader
+
+signal finishedLoading
+signal finishedGettingDoors
+
+func loadRoomData(image: Image) -> Array[Array]:
+	var imageSize: Vector2i = image.get_size()
+	var returnArray: Array[Array]
+	
+	for x in imageSize.x:
+		var yArray: Array[GridCell]
+		returnArray.push_back(yArray)
+		for y in imageSize.y:
+			var gridCell: GridCell = GridCell.new()
+			var pixel: Color = image.get_pixel(x,y)
+			gridCell.spaceTaken = isColorTakingSpace(pixel)
+			if pixel == Color(1,0,0,1): 
+				gridCell.door = true
+				gridCell.doorOrientation = getDoorOrientation(image,Vector2i(x,y))
+			
+			yArray.push_back(gridCell)
+	
+	finishedLoading.emit()
+	return returnArray
+
+func isColorTakingSpace(pixel: Color) -> bool:
+	var returnBool: bool = true
+	if pixel == Color(1,1,1,1) or pixel == Color(1,0,0,1):
+		returnBool = false
+	return returnBool
+
+func getDoors(grid: Array[Array]) -> Array[DoorPosition]:
+	var returnArray: Array[DoorPosition]
+	for x in grid.size():
+		for y in grid[x].size():
+			if grid[x][y].door:
+				var newDoorPos := DoorPosition.new()
+				newDoorPos.pos = Vector2i(x,y)
+				newDoorPos.orientation = grid[x][y].doorOrientation
+				returnArray.push_back(newDoorPos)
+	finishedGettingDoors.emit()
+	return returnArray
+
+func getDoorOrientation(image: Image,pos: Vector2i) -> int:
+	var imageHeight: int = image.get_height()
+	var imageWidth: int = image.get_width()
+	if !(pos.y == imageHeight-1):
+		if image.get_pixelv(pos + Vector2i(0,1)) == Color(0,0,1,1): return GridCell.doorOrientations.north
+	if !(pos.x == 0):
+		if image.get_pixelv(pos + Vector2i(-1,0)) == Color(0,0,1,1): return GridCell.doorOrientations.east
+	if !(pos.y == 0):
+		if image.get_pixelv(pos + Vector2i(0,-1)) == Color(0,0,1,1): return GridCell.doorOrientations.south
+	if !(pos.x == imageWidth-1):
+		if image.get_pixelv(pos + Vector2i(1,0)) == Color(0,0,1,1): return GridCell.doorOrientations.west
+	return 0