Cursor work

battle/BattleScene.gd

@@ -1,8 +1,8 @@
 class_name BattleScene extends Node3D
 
 @export var actionBox:ActionBox = null
-@export var battleCursor:BattleCursor = null
 @export var battleFighterScenes:Node
+@export var cursorScenes:Node
 
 signal neverEmitted
 
@@ -47,16 +47,68 @@ func getBattleDecisions(fighters:Array[BattleFighter]) -> Array[BattleDecision]:
   return decisions
 
 func _getTargets(fighter:BattleFighter, move:BattleAction) -> Array[BattleFighter]:
-  print("Determining target")
+  # Determine possible targets and whether to blink or not
+  var possiblePositions:Array[BattleSingleton.BattlePosition] = [
+    BattleSingleton.BattlePosition.RIGHT_TOP_FRONT,
+    BattleSingleton.BattlePosition.RIGHT_MIDDLE_FRONT,
+    BattleSingleton.BattlePosition.RIGHT_BOTTOM_FRONT
+  ]
 
-  battleCursor.visible = true
+  # Should not be possible to have no possible targets here
-  var positions:Array[BattleSingleton.BattlePosition] = []
+  assert(possiblePositions.size() > 0)
-  for pos in BATTLE.BattlePosition.values():
-    positions.append(pos)
-  battleCursor.setCursors(self, positions)
 
-  await neverEmitted
+  var activePositions:Array[BattleSingleton.BattlePosition] = []
-  return []
+  var selectedPositions:Array[BattleSingleton.BattlePosition] = []
+
+  # If there's only one possible target, auto-select it
+  if possiblePositions.size() == 1:
+    selectedPositions.append(possiblePositions[0])
+
+  # Here we wait for a selection to be confirmed.
+  while selectedPositions.size() == 0:
+    var blink = activePositions.size() > 1
+
+    activePositions.clear()
+    # activePositions.append(possiblePositions[0]) # For now, just single target
+
+    # Sake of testing just showing all blinking
+    blink = true
+    for pos in possiblePositions:
+      activePositions.append(pos)
+
+    # Show cursors
+    for cursor in cursorScenes.get_children():
+      if !(cursor is BattleCursorIcon):
+        continue
+      if cursor.battlePosition in activePositions:
+        if blink:
+          cursor.mode = BattleCursorIcon.Mode.BLINKING
+        else:
+          cursor.mode = BattleCursorIcon.Mode.ACTIVE
+      else:
+        cursor.mode = BattleCursorIcon.Mode.INACTIVE
+
+    # TODO: Allow movement here, wait for selection, etc.
+    # Wait 1 second for now and select all possible targets
+    await get_tree().create_timer(1.0).timeout
+    selectedPositions = possiblePositions
+    
+  # By this point selection has been made, hide all cursors
+  for cursor in cursorScenes.get_children():
+    if !(cursor is BattleCursorIcon):
+      continue
+    cursor.mode = BattleCursorIcon.Mode.INACTIVE
+
+  # Convert selected positions to fighters
+  var targets:Array[BattleFighter] = []
+  for pos in selectedPositions:
+    var targetFighter = BATTLE.getFighterAtPosition(pos)
+    if targetFighter != null:
+      targets.append(targetFighter)
+
+  # Should not be possible to have no targets here
+  assert(targets.size() > 0)
+  return targets
 
 func getFighterSceneAtPosition(pos:BattleSingleton.BattlePosition) -> BattleFighterScene:
   for fighterScene in battleFighterScenes.get_children():
@@ -65,3 +117,11 @@ func getFighterSceneAtPosition(pos:BattleSingleton.BattlePosition) -> BattleFigh
     if fighterScene.battlePosition == pos:
       return fighterScene
   return null
+
+func getBattleCursorAtPosition(pos:BattleSingleton.BattlePosition) -> BattleCursorIcon:
+  for cursorScene in cursorScenes.get_children():
+    if !(cursorScene is BattleCursorIcon):
+      continue
+    if cursorScene.battlePosition == pos:
+      return cursorScene
+  return null

battle/BattleScene.tscn

@@ -2,14 +2,14 @@
 
 [ext_resource type="PackedScene" uid="uid://d1xyb0hdf1yeh" path="res://battle/fighter/BattleFighterScene.tscn" id="1_abr1f"]
 [ext_resource type="Script" uid="uid://dihfp05x6pktn" path="res://battle/BattleScene.gd" id="1_acaen"]
-[ext_resource type="PackedScene" uid="uid://ktmvnapibv2q" path="res://battle/ui/ActionBox.tscn" id="2_c3ndu"]
+[ext_resource type="PackedScene" uid="uid://ktmvnapibv2q" path="res://battle/ui/action/ActionBox.tscn" id="2_c3ndu"]
-[ext_resource type="PackedScene" uid="uid://c4knowtushjly" path="res://battle/ui/BattleCursor.tscn" id="3_7s6t6"]
+[ext_resource type="PackedScene" uid="uid://br2rs8skcn72l" path="res://battle/ui/action/BattleCursorIcon.tscn" id="3_7s6t6"]
 
-[node name="BattleScene" type="Node3D" node_paths=PackedStringArray("actionBox", "battleCursor", "battleFighterScenes")]
+[node name="BattleScene" type="Node3D" node_paths=PackedStringArray("actionBox", "battleFighterScenes", "cursorScenes")]
 script = ExtResource("1_acaen")
 actionBox = NodePath("UI/ActionBox")
-battleCursor = NodePath("UI/BattleCursor")
 battleFighterScenes = NodePath("Fighters")
+cursorScenes = NodePath("UI/Cursors")
 metadata/_custom_type_script = "uid://dihfp05x6pktn"
 
 [node name="UI" type="Control" parent="."]
@@ -29,9 +29,189 @@ offset_right = 40.0
 offset_bottom = 12.0
 text = "Battle"
 
-[node name="BattleCursor" parent="UI" instance=ExtResource("3_7s6t6")]
+[node name="Cursors" type="Control" parent="UI"]
+anchors_preset = 0
+offset_right = 40.0
+offset_bottom = 40.0
+
+[node name="LeftTopBack" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
 layout_mode = 0
 anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+
+[node name="LeftTopFront" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 1
+
+[node name="LeftMiddleBack" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 2
+
+[node name="LeftMiddleFront" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 3
+
+[node name="LeftBottomBack" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 4
+
+[node name="LeftBottomFront" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 5
+
+[node name="RightTopFront" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 7
+
+[node name="RightTopBack" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 6
+
+[node name="RightMiddleFront" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 9
+
+[node name="RightMiddleBack" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 8
+
+[node name="RightBottomFront" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 11
+
+[node name="RightBottomBack" parent="UI/Cursors" instance=ExtResource("3_7s6t6")]
+layout_mode = 0
+anchors_preset = 0
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 0.0
+offset_top = 0.0
+offset_right = 8.0
+offset_bottom = 8.0
+grow_horizontal = 1
+grow_vertical = 1
+battlePosition = 10
 
 [node name="Fighters" type="Node" parent="."]
 

battle/ui/BattleCursor.gd

@@ -1,23 +0,0 @@
-class_name BattleCursor extends Control
-
-@export var cursor:PackedScene
-
-func setCursors(battleScene:BattleScene, targets:Array[BattleSingleton.BattlePosition]) -> void:
-  clearCursors()
-
-  for target in targets:
-    var fighterScene = battleScene.getFighterSceneAtPosition(target)
-    if fighterScene == null:
-      continue
-
-    var cursorInstance = cursor.instantiate()
-    add_child(cursorInstance)
-
-    # Convert world position to screen space
-    var screenPos = battleScene.get_viewport().get_camera_3d().unproject_position(fighterScene.global_transform.origin)
-    cursorInstance.position = screenPos
-
-func clearCursors() -> void:
-  # Clear all children (cursors).
-  for child in get_children():
-    child.queue_free()

battle/ui/BattleCursor.gd.uid

@@ -1 +0,0 @@
-uid://cwnf5vqn3nb57

battle/ui/BattleCursor.tscn

@@ -1,11 +0,0 @@
-[gd_scene load_steps=3 format=3 uid="uid://c4knowtushjly"]
-
-[ext_resource type="Script" uid="uid://cwnf5vqn3nb57" path="res://battle/ui/BattleCursor.gd" id="1_wsiei"]
-[ext_resource type="PackedScene" uid="uid://br2rs8skcn72l" path="res://battle/ui/BattleCursorCursor.tscn" id="2_6yv4v"]
-
-[node name="BattleCursor" type="Control"]
-layout_mode = 3
-size_flags_horizontal = 0
-size_flags_vertical = 0
-script = ExtResource("1_wsiei")
-cursor = ExtResource("2_6yv4v")

battle/ui/action/ActionBox.gd

@@ -34,7 +34,5 @@ func getAction(fighter:BattleFighter) -> Action:
   btnMagic.disabled = fighter.movesMagical.size() == 0
   btnItem.disabled = false # TODO: check if items available?
 
-  # TODO: Update cursor position to first enabled button
-
   var act = await action
   return act

battle/ui/action/ActionBox.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=2 format=3 uid="uid://ktmvnapibv2q"]
 
-[ext_resource type="Script" uid="uid://27274005hbgh" path="res://battle/ui/ActionBox.gd" id="1_w5s71"]
+[ext_resource type="Script" uid="uid://27274005hbgh" path="res://battle/ui/action/ActionBox.gd" id="1_w5s71"]
 
 [node name="ActionBox" type="GridContainer" node_paths=PackedStringArray("btnAttack", "btnMagic", "btnItem", "btnBack")]
 anchors_preset = 3

battle/ui/action/BattleCursorIcon.gd

@@ -0,0 +1,56 @@
+class_name BattleCursorIcon extends ColorRect
+
+# How often to blink in milliseconds.
+const BLINK_RATE := 100
+
+enum Mode {
+  INACTIVE,
+  ACTIVE,
+  BLINKING
+}
+
+@export var battlePosition:BattleSingleton.BattlePosition = BattleSingleton.BattlePosition.LEFT_TOP_BACK:
+  get():
+    return battlePosition
+
+  set(value):
+    battlePosition = value
+    _updatePosition()
+
+@export var mode:Mode = Mode.INACTIVE
+
+func _ready() -> void:
+  _updatePosition()
+
+func _process(delta: float) -> void:
+  if mode == Mode.INACTIVE:
+    self.visible = false
+    return
+  elif mode == Mode.ACTIVE:
+    self.visible = true
+  elif mode == Mode.BLINKING:
+    self.visible = Time.get_ticks_msec() % (BLINK_RATE * 2) < BLINK_RATE
+
+func _updatePosition() -> void:
+  # Walk up the tree until BattleScene is found.
+  var battleScene:BattleScene = null
+  var currentNode:Node = self
+  while currentNode != null:
+    if currentNode is BattleScene:
+      battleScene = currentNode
+      break
+    currentNode = currentNode.get_parent()
+  
+  if battleScene == null:
+    push_error("BattleCursorIcon could not find BattleScene in parent nodes.")
+    return
+
+  var targetFighter:BattleFighterScene = battleScene.getFighterSceneAtPosition(battlePosition)
+  if targetFighter == null:
+    push_error("No BattleFighter found at battlePosition %s" % str(battlePosition))
+    return
+
+  # Convert the target fighter's global position to screen space position.
+  var viewport:Viewport = get_viewport()
+  var screenPos:Vector2 = viewport.get_camera_3d().unproject_position(targetFighter.global_transform.origin)
+  self.position = screenPos

battle/ui/action/BattleCursorIcon.gd.uid

@@ -0,0 +1 @@
+uid://c2lye3hasxnkj

battle/ui/action/BattleCursorIcon.tscn

@@ -1,7 +1,9 @@
-[gd_scene format=3 uid="uid://br2rs8skcn72l"]
+[gd_scene load_steps=2 format=3 uid="uid://br2rs8skcn72l"]
+
+[ext_resource type="Script" uid="uid://c2lye3hasxnkj" path="res://battle/ui/action/BattleCursorIcon.gd" id="1_cpfvx"]
 
 [node name="Control" type="ColorRect"]
-anchors_preset = 8
+anchors_preset = -1
 anchor_left = 0.5
 anchor_top = 0.5
 anchor_right = 0.5
@@ -13,3 +15,4 @@ offset_bottom = 4.0
 grow_horizontal = 2
 grow_vertical = 2
 color = Color(1, 0.478431, 1, 1)
+script = ExtResource("1_cpfvx")