Use safer typed dictionaries

scripts/asset_loader.gd

@@ -1,6 +1,6 @@
 extends Node
 
-var assets: Dictionary
+var assets: Dictionary[String, DirEntry] = {}
 var mutex := Mutex.new()
 
 func _ready() -> void:

scripts/map_builder.gd

@@ -1,6 +1,6 @@
 extends Node
 
-var items: Dictionary
+var items: Dictionary[int, ItemDef]
 var itemchilds: Array[TDFX]
 var placements: Array[ItemPlacement]
 var collisions: Array[ColFile]

scripts/renderware/rw_geometry.gd

@@ -34,7 +34,7 @@ var mesh: ArrayMesh:
 			return ArrayMesh.new()
 		var morph_t := morph_targets[0]
 		var st := SurfaceTool.new()
-		var surfaces: Dictionary
+		var surfaces: Dictionary[int, Array] = {}
 		# Split tris by their material ID
 		for tri in tris:
 			var mat_id := tri.material_id