feat(inventory): hotbar + inventory UI + 5 crafting recipes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/inventory/ItemDatabase.gd

@@ -0,0 +1,65 @@
+extends Node
+
+const ITEM_NAMES: Dictionary = {
+	0: "Air",
+	1: "Water",
+	2: "Sand",
+	3: "Rock",
+	4: "Coral Rouge",
+	5: "Coral Bleu",
+	6: "Kelp",
+	7: "Epave",
+	8: "Glace",
+	9: "Bedrock",
+	100: "Lampe Bio",
+	101: "Harpon",
+	102: "Bulle d'air",
+	103: "Algue cuisinee",
+	104: "Armure ecailles",
+}
+
+const ITEM_COLORS: Dictionary = {
+	0: Color(0, 0, 0, 0),
+	1: Color(0.1, 0.3, 0.8, 0.5),
+	2: Color(0.76, 0.70, 0.50),
+	3: Color(0.45, 0.45, 0.45),
+	4: Color(0.9, 0.2, 0.2),
+	5: Color(0.2, 0.4, 0.9),
+	6: Color(0.1, 0.6, 0.1),
+	7: Color(0.55, 0.35, 0.15),
+	8: Color(0.7, 0.9, 1.0),
+	9: Color(0.15, 0.15, 0.15),
+	100: Color(1.0, 0.95, 0.2),
+	101: Color(0.6, 0.6, 0.6),
+	102: Color(0.2, 0.9, 0.9),
+	103: Color(0.05, 0.4, 0.05),
+	104: Color(0.1, 0.55, 0.5),
+}
+
+const PLACEABLE_IDS: Array = [2, 3, 4, 5, 6, 7, 8]
+const CONSUMABLE_IDS: Array = [102, 103]
+const TOOL_IDS: Array = [100, 101, 104]
+
+
+func get_item_name(id: int) -> String:
+	if ITEM_NAMES.has(id):
+		return ITEM_NAMES[id]
+	return "Inconnu"
+
+
+func get_item_color(id: int) -> Color:
+	if ITEM_COLORS.has(id):
+		return ITEM_COLORS[id]
+	return Color(0.5, 0.5, 0.5)
+
+
+func is_placeable(id: int) -> bool:
+	return id in PLACEABLE_IDS
+
+
+func is_consumable(id: int) -> bool:
+	return id in CONSUMABLE_IDS
+
+
+func is_tool(id: int) -> bool:
+	return id in TOOL_IDS