feat: add simple village simulation of resources

simulation/SimVillage.gd

@@ -0,0 +1,36 @@
+class_name SimVillage
+extends RefCounted
+
+var food := 20.0
+var wood := 10.0
+var safety := 50.0
+var knowledge := 0.0
+
+func apply_npc_task(npc: SimNPC) -> void:
+	match npc.current_task:
+		"gather_food":
+			food += 2.0
+		"gather_wood":
+			wood += 2.0
+		"patrol":
+			safety += 1.0
+		"study":
+			knowledge += 1.0
+		"eat":
+			food -= 1.0
+		"rest":
+			pass
+		"wander":
+			pass
+
+	food = max(food, 0.0)
+	wood = max(wood, 0.0)
+	safety = clamp(safety, 0.0, 100.0)
+
+func get_summary() -> String:
+	return "Village | food: %s | wood: %s | safety: %s | knowledge: %s" % [
+		round(food),
+		round(wood),
+		round(safety),
+		round(knowledge)
+	]

simulation/SimVillage.gd.uid

@@ -0,0 +1 @@
+uid://oqdf44lxs3dg

simulation/SimulationManager.gd

@@ -1,6 +1,10 @@
 extends Node
 
 signal npc_task_changed(npc: SimNPC, old_task: String, new_task: String)
+signal village_changed(village: SimVillage)
+
+var village := SimVillage.new()
+
 const DEBUG_LOGS := true
 
 var npcs: Array[SimNPC] = []
@@ -68,3 +72,9 @@ func simulate_tick() -> void:
 				" | energy: ",
 				round(npc.energy)
 			)
+			
+	for npc in npcs:
+		village.apply_npc_task(npc)
+		village_changed.emit(village)
+	if DEBUG_LOGS:
+		print(village.get_summary())