Initial commit

nodes/combat_map.gd

@@ -0,0 +1,39 @@
+class_name CombatMap
+extends Node2D
+
+signal tile_hovered(coords: Vector2i)
+
+@export var tile_set: DLTileset
+@onready var tile_map: TileMapLayer = %TerrainLayer
+@onready var highlight_map: GridOverlay = %OverlayLayer
+
+const TILE_SIZE := 48.0
+const SOURCE_ID: int = 0
+
+
+func snap_to_grid(pos: Vector2) -> Vector2:
+	return Vector2(floorf(pos.x / TILE_SIZE), floorf(pos.y / TILE_SIZE)) * TILE_SIZE
+
+
+func world_to_coords(pos: Vector2) -> Vector2i:
+	return Vector2i(snap_to_grid(pos) / TILE_SIZE)
+
+
+func coords_to_world(coords: Vector2i) -> Vector2:
+	return Vector2(coords) * TILE_SIZE
+
+func draw_wall(coords: Vector2i) -> void:
+	draw_custom(coords, tile_set.wall_tile_coords)
+
+func draw_floor(coords: Vector2i) -> void:
+	draw_custom(coords, tile_set.floor_tile_coords)
+	
+func draw_custom(coords: Vector2i, tile_coords: Vector2i) -> void:
+	tile_map.set_cell(coords, SOURCE_ID, tile_coords)
+
+func is_wall(coords: Vector2i) -> bool:
+	return tile_map.get_cell_atlas_coords(coords) == tile_set.wall_tile_coords
+	
+func target_tile(coords: Vector2i) -> void:
+	highlight_map.target_tile(coords)
+	tile_hovered.emit(coords)