Add rally flag, closes lampe-games#52

From now each unit factory shall have a RallyPoint node.
if its position is (0,0,0) the rally has no effect, otherwise the units will be sended to its position

source/match/players/human/UnitActionsController.gd

@@ -10,6 +10,7 @@ class Actions:
 	)
 	const AutoAttacking = preload("res://source/match/units/actions/AutoAttacking.gd")
 	const Constructing = preload("res://source/match/units/actions/Constructing.gd")
+	const Rallying = preload("res://source/match/units/actions/Rallying.gd")
 
 
 func _ready():
@@ -44,6 +45,17 @@ func _navigate_selected_units_towards_position(target_point):
 		unit.action = Actions.Moving.new(new_target)
 
 
+func _set_rally_point(target_point: Vector3):
+	var structures = get_tree().get_nodes_in_group("selected_units").filter(
+		func(unit): return (
+			unit.is_in_group("controlled_units") and Actions.Rallying.is_applicable(unit)
+		)
+	)
+
+	for structure in structures:
+		Actions.Rallying._set_rally_point(structure, target_point)
+
+
 func _navigate_selected_units_towards_unit(target_unit):
 	var units_navigated = 0
 	for unit in get_tree().get_nodes_in_group("selected_units"):
@@ -75,6 +87,7 @@ func _navigate_selected_units_towards_unit(target_unit):
 
 func _on_terrain_targeted(position):
 	_navigate_selected_units_towards_position(position)
+	_set_rally_point(position)
 
 
 func _on_unit_targeted(unit):

source/match/units/AircraftFactory.tscn

@@ -1,11 +1,12 @@
-[gd_scene load_steps=9 format=3 uid="uid://cxilu6668nda6"]
+[gd_scene load_steps=10 format=3 uid="uid://cxilu6668nda6"]
 
 [ext_resource type="Script" path="res://source/match/units/AircraftFactory.gd" id="1_n6n1v"]
 [ext_resource type="PackedScene" uid="uid://cgsi062w5fjia" path="res://source/match/units/traits/Highlight.tscn" id="1_r5i7t"]
 [ext_resource type="PackedScene" uid="uid://3c1h14nqdumt" path="res://source/match/units/traits/Selection.tscn" id="2_56ml3"]
 [ext_resource type="PackedScene" uid="uid://bklfapayb1ryk" path="res://source/match/units/structure-geometries/AircraftFactory.tscn" id="2_mlisu"]
 [ext_resource type="PackedScene" uid="uid://d4cwip5hpxlmo" path="res://source/match/units/traits/MovementObstacle.tscn" id="3_j1buj"]
 [ext_resource type="PackedScene" uid="uid://c3ssj2p6voauk" path="res://source/match/units/traits/HealthBar.tscn" id="4_igtfr"]
+[ext_resource type="PackedScene" uid="uid://b8jwlpdvxgrr6" path="res://source/match/units/traits/RallyPoint.tscn" id="8_opfgx"]
 [ext_resource type="PackedScene" uid="uid://d4cm4yhtf11ur" path="res://source/match/units/traits/Targetability.tscn" id="9_qqlap"]
 
 [sub_resource type="CylinderShape3D" id="CylinderShape3D_uvm5u"]
@@ -44,4 +45,6 @@ size = Vector2(250, 10)
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.05, 0)
 radius = 1.5
 
+[node name="RallyPoint" parent="." instance=ExtResource("8_opfgx")]
+
 [editable path="Geometry"]

source/match/units/CommandCenter.tscn

@@ -1,11 +1,12 @@
-[gd_scene load_steps=9 format=3 uid="uid://ct0ejt0trkhrf"]
+[gd_scene load_steps=10 format=3 uid="uid://ct0ejt0trkhrf"]
 
 [ext_resource type="Script" path="res://source/match/units/CommandCenter.gd" id="1_hpo2s"]
 [ext_resource type="PackedScene" uid="uid://cgsi062w5fjia" path="res://source/match/units/traits/Highlight.tscn" id="2_c41i5"]
 [ext_resource type="PackedScene" uid="uid://bxx81l3t16rrs" path="res://source/match/units/structure-geometries/CommandCenter.tscn" id="2_hwq4d"]
 [ext_resource type="PackedScene" uid="uid://3c1h14nqdumt" path="res://source/match/units/traits/Selection.tscn" id="3_slmue"]
 [ext_resource type="PackedScene" uid="uid://d4cwip5hpxlmo" path="res://source/match/units/traits/MovementObstacle.tscn" id="4_f5u8t"]
 [ext_resource type="PackedScene" uid="uid://c3ssj2p6voauk" path="res://source/match/units/traits/HealthBar.tscn" id="5_xuulo"]
+[ext_resource type="PackedScene" uid="uid://b8jwlpdvxgrr6" path="res://source/match/units/traits/RallyPoint.tscn" id="8_8qw5y"]
 [ext_resource type="PackedScene" uid="uid://d4cm4yhtf11ur" path="res://source/match/units/traits/Targetability.tscn" id="17_dco2r"]
 
 [sub_resource type="CylinderShape3D" id="CylinderShape3D_pav5c"]
@@ -44,4 +45,6 @@ size = Vector2(380, 10)
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.05, 0)
 radius = 2.0
 
+[node name="RallyPoint" parent="." instance=ExtResource("8_8qw5y")]
+
 [editable path="Geometry"]

source/match/units/VehicleFactory.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=9 format=3 uid="uid://h5lqor1xl2sf"]
+[gd_scene load_steps=10 format=3 uid="uid://h5lqor1xl2sf"]
 
 [ext_resource type="Script" path="res://source/match/units/VehicleFactory.gd" id="1_1a20j"]
 [ext_resource type="PackedScene" uid="uid://cgsi062w5fjia" path="res://source/match/units/traits/Highlight.tscn" id="1_8fcgb"]
@@ -7,6 +7,7 @@
 [ext_resource type="PackedScene" uid="uid://d4cwip5hpxlmo" path="res://source/match/units/traits/MovementObstacle.tscn" id="3_cp6bx"]
 [ext_resource type="PackedScene" uid="uid://c3ssj2p6voauk" path="res://source/match/units/traits/HealthBar.tscn" id="4_xd2eg"]
 [ext_resource type="PackedScene" uid="uid://d4cm4yhtf11ur" path="res://source/match/units/traits/Targetability.tscn" id="7_j4kwk"]
+[ext_resource type="PackedScene" uid="uid://b8jwlpdvxgrr6" path="res://source/match/units/traits/RallyPoint.tscn" id="8_h714l"]
 
 [sub_resource type="CylinderShape3D" id="CylinderShape3D_2mws5"]
 height = 1.0
@@ -44,4 +45,6 @@ size = Vector2(250, 10)
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.05, 0)
 radius = 1.5
 
+[node name="RallyPoint" parent="." instance=ExtResource("8_h714l")]
+
 [editable path="Geometry"]

source/match/units/actions/ManagingProduction.gd

@@ -2,6 +2,8 @@ extends "res://source/match/units/actions/Action.gd"
 
 signal queue_changed
 
+const Moving = preload("res://source/match/units/actions/Moving.gd")
+
 
 class ProductionQueueElement:
 	extends Resource
@@ -80,3 +82,10 @@ func _finalize_production(former_queue_element):
 	MatchSignals.setup_and_spawn_unit.emit(
 		produced_unit, Transform3D(Basis(), placement_position), _unit.player
 	)
+
+	# Handle rally point
+	if _unit.has_node("RallyPoint") and Moving.is_applicable(produced_unit):
+		var rally_point = _unit.get_node("RallyPoint").global_position
+
+		if rally_point != _unit.global_position:
+			produced_unit.action = Moving.new(rally_point)

source/match/units/actions/Rallying.gd

@@ -0,0 +1,10 @@
+extends "res://source/match/units/actions/Action.gd"
+
+
+static func is_applicable(unit):
+	return unit.find_child("RallyPoint") != null
+
+
+static func _set_rally_point(unit, rally_point: Vector3):
+	var rally_node = unit.find_child("RallyPoint")
+	rally_node.global_position = rally_point

source/match/units/traits/RallyPoint.gd

@@ -0,0 +1,13 @@
+extends Node3D
+
+@onready var _unit = get_parent()
+@onready var _line = get_node("Line")
+@onready var _marker = get_node("Marker")
+
+
+func _ready():
+	get_node("AnimationPlayer").play("idle")
+
+
+func _process(_delta):
+	visible = _unit.is_in_group("selected_units")

source/match/units/traits/RallyPoint.tscn

@@ -0,0 +1,44 @@
+[gd_scene load_steps=6 format=3 uid="uid://b8jwlpdvxgrr6"]
+
+[ext_resource type="Script" path="res://source/match/units/traits/RallyPoint.gd" id="1_jne3g"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_k3k1b"]
+albedo_color = Color(0.054902, 1, 0.223529, 0.12549)
+emission_enabled = true
+emission = Color(0, 1, 0, 1)
+emission_energy_multiplier = 1.65
+
+[sub_resource type="CylinderMesh" id="CylinderMesh_phq1d"]
+material = SubResource("StandardMaterial3D_k3k1b")
+top_radius = 0.2
+bottom_radius = 0.2
+height = 0.1
+
+[sub_resource type="Animation" id="Animation_ymm6i"]
+resource_name = "idle"
+loop_mode = 1
+tracks/0/type = "scale_3d"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Marker")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = PackedFloat32Array(0, 1, 1, 1, 1, 0.3, 1, 1.3, 1.3, 1.3, 0.7, 1, 0.6, 0.6, 0.6, 1, 1, 1, 1, 1)
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_bax6m"]
+_data = {
+"idle": SubResource("Animation_ymm6i")
+}
+
+[node name="RallyPoint" type="Node3D"]
+script = ExtResource("1_jne3g")
+
+[node name="Marker" type="MeshInstance3D" parent="."]
+transform = Transform3D(0.845995, 0, 0, 0, 0.845995, 0, 0, 0, 0.845995, 0, 0, 0)
+mesh = SubResource("CylinderMesh_phq1d")
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+reset_on_save = false
+libraries = {
+"": SubResource("AnimationLibrary_bax6m")
+}