working on items and inventory

ItemDatabase/ItemDatabase.gd

@@ -0,0 +1,72 @@
+extends Node
+
+var PU_objects:Dictionary = {}
+var Powerups:Dictionary = {}
+
+# For random item drops
+var AllItems: Dictionary = {}
+var total_weight:float = 0
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	PU_objects["Nail Gun"] = {
+		"scene": "res://PickupableObjects/NailGun/NailGun.tscn",
+		"spawn_chance": 0.8,
+		"roll_weight": 0.0
+	}
+	PU_objects["Grappling Hook"] = {
+		"scene": "res://pickupable_objects/grappling_hook/grappling_hook.tscn",
+		"spawn_chance": 0.3,
+		"roll_weight": 0.0
+	}
+	PU_objects["Bomb"] = {
+		"scene": "res://PickupableObjects/Bomb/bomb.tscn",
+		"spawn_chance": 0.7,
+		"roll_weight": 0.0
+	}
+	PU_objects["Glue Patch"] = {
+		"scene": "res://PickupableObjects/GluePatch/GluePatch.tscn",
+		"spawn_chance": 1.0,
+		"roll_weight": 0.0
+	}
+	PU_objects["Void Portal"] = {
+		"scene": "res://pickupable_objects/void_portal/void_portal.tscn",
+		"spawn_chance": 0.3,
+		"roll_weight": 0.0
+	}
+	
+	Powerups["Speed Up"] = {
+		"scene": "res://powerups/speed_up/speed_up.tscn",
+		"spawn_chance": 1.0,
+		"roll_weight": 0.0
+	}
+	
+#	Castable_objects["Nail Gun"] = "res://pickupable_objects/nail_gun/nail_shot.tscn"
+#	Castable_objects["Grappling Hook"] = "res://pickupable_objects/grappling_hook/hook_shot.tscn"
+#	Castable_objects["Bomb"] = "res://pickupable_objects/bomb/bomb_thrown.tscn"
+#	Castable_objects["Glue Patch"] = "res://pickupable_objects/glue_patch/glue_patch_deployed.tscn"
+#	Castable_objects["Void Portal"] = "res://pickupable_objects/void_portal/void_portal_thrown.tscn"
+	create_all_items_dict()
+	calculate_weights()
+
+func create_all_items_dict():
+	for key in PU_objects.keys():
+		AllItems[key] = PU_objects[key]
+	for key in Powerups.keys():
+		AllItems[key] = Powerups[key]
+
+func calculate_weights():
+	total_weight = 0
+	for item in AllItems.values():
+		total_weight = total_weight + item.spawn_chance
+		item.roll_weight = total_weight
+		
+func return_random_item() -> Dictionary:
+	var roll: float = randf_range(-0.90, total_weight)
+	if roll < 0:
+		return {}
+	for item in AllItems.values():
+		if item.roll_weight > roll:
+			return item
+	return {}
+