chief system

core/battlefield.gd

@@ -7,7 +7,6 @@ func _physics_process(delta):
 	if _ticker1 > 1.0:
 		_ticker1 -= 1.0
 		ticker("ticker1")
-		
+
 func ticker(group_name: String):
-	for node in get_tree().get_nodes_in_group(group_name):
-		node.tick()
+	get_tree().call_group_flags(SceneTree.GROUP_CALL_DEFERRED, group_name, "tick")

core/unit.gd

@@ -13,24 +13,38 @@ extends Composer
 			player = val
 		else:
 			player = null
+		_check_compose()
 			
 @export var hitpoints := 1
+@export var rotation_offset := 0.0
+
+var chief_ref := WeakRef.new()
 
 var target_reached = true
-var target_position: Vector2
-		
+var target_position := Vector2.ZERO
+var is_chief := false
+var subordinates := 0
+
+func _ready():
+	target_position = global_position
+	super._ready()
+
 func _compose():
 	$sprite.texture = sprite
 	if player:
 		# TODO something more subtle
-		modulate = player.color
+		$sprite.self_modulate = player.color
 		if player.code and not Engine.is_editor_hint():
 			add_to_group("player:" + player.code)
 			
 func _physics_process(delta):
 	if not target_reached:
 		# TODO use position instead of global_position, once parented to battlefield
+		var previous = global_position
 		global_position += (target_position - global_position).normalized() * 100.0 * delta
+		var diff = global_position - previous
+		if diff.length() > 0.001:
+			$sprite.rotation = rotation_offset + diff.angle()
 		if global_position == target_position:
 			target_reached = true
 	
@@ -44,5 +58,24 @@ func damage(lost_hitpoints: float):
 	if hitpoints <= 0:
 		die()
 		
+func get_chief():
+	return chief_ref.get_ref()
+		
 func die():
+	var chief = get_chief()
+	if chief:
+		chief.subordinates -= 1
 	queue_free()
+	
+func promote_chief():
+	is_chief = true
+	if player:
+		add_to_group("chief:" + player.code)
+
+func set_chief(chief):
+	if chief is Unit and chief.is_chief and chief != self:
+		chief_ref = weakref(chief)
+		chief.subordinates += 1
+
+func list_chiefs():
+	return get_tree().get_nodes_in_group("chief:" + player.code)

main.tscn

@@ -57,10 +57,12 @@ code = "p2"
 [node name="factory1" parent="battlefield" node_paths=PackedStringArray("player") instance=ExtResource("2_wnc50")]
 position = Vector2(270, 222)
 player = NodePath("../player1")
+rotation_offset = null
 
 [node name="factory2" parent="battlefield" node_paths=PackedStringArray("player") instance=ExtResource("2_wnc50")]
 position = Vector2(929, 429)
 player = NodePath("../player2")
+rotation_offset = null
 
 [node name="ui" type="CanvasLayer" parent="."]
 

tac/assets/chief.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://thd5ewkoyqys"
+path="res://.godot/imported/chief.png-a6284578a3bad27396c97bd14c2503f3.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://tac/assets/chief.png"
+dest_files=["res://.godot/imported/chief.png-a6284578a3bad27396c97bd14c2503f3.ctex"]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/bptc_ldr=0
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

tac/units/fighter.gd

@@ -1,6 +1,12 @@
 extends Unit
 
+func _compose():
+	$chief.visible = is_chief
+	super._compose()
+
 func tick():
+	chief_maintenance()
+	
 	# go to nearest enemy
 	var enemy: Unit = null
 	var closest := INF
@@ -13,3 +19,19 @@ func tick():
 	if enemy:
 		move_to(enemy.global_position + Vector2.from_angle(randf_range(0.0, PI * 2.0)) * randf_range(100.0, 300.0))
 		$turret.set_target(enemy)
+
+func chief_maintenance():
+	if is_chief:
+		# already chief
+		return
+		
+	var chief = get_chief()
+	if chief == null:
+		# find a chief
+		var chiefs = list_chiefs()
+		# TODO sort by distance, experience and subordinate count
+		if chiefs.size() > 0:
+			chief = chiefs[0]
+		else:
+			promote_chief()
+			_compose()

tac/units/fighter.tscn

@@ -1,15 +1,23 @@
-[gd_scene load_steps=5 format=3 uid="uid://b05ykot10q8no"]
+[gd_scene load_steps=6 format=3 uid="uid://b05ykot10q8no"]
 
 [ext_resource type="PackedScene" uid="uid://bft45rcp7v3a6" path="res://core/unit.tscn" id="1_2ka4q"]
 [ext_resource type="Script" path="res://tac/units/fighter.gd" id="2_evq3k"]
 [ext_resource type="Texture2D" uid="uid://2nhprnyswhyh" path="res://tac/assets/ship_small_1.png" id="2_oablw"]
 [ext_resource type="PackedScene" uid="uid://byg2bmiy2gia0" path="res://tac/weapons/turret.tscn" id="3_rt3r8"]
+[ext_resource type="Texture2D" uid="uid://thd5ewkoyqys" path="res://tac/assets/chief.png" id="4_vo18x"]
 
 [node name="fighter" groups=["ticker1"] instance=ExtResource("1_2ka4q")]
 script = ExtResource("2_evq3k")
+sprite = ExtResource("2_oablw")
 hitpoints = 20
+rotation_offset = 1.5708
 
 [node name="sprite" parent="." index="0"]
 texture = ExtResource("2_oablw")
 
-[node name="turret" parent="." index="1" instance=ExtResource("3_rt3r8")]
+[node name="chief" type="Sprite2D" parent="." index="1"]
+position = Vector2(17, -29)
+scale = Vector2(0.04, 0.04)
+texture = ExtResource("4_vo18x")
+
+[node name="turret" parent="." index="2" instance=ExtResource("3_rt3r8")]