Add sprite selection and weapon viewer to weapon creation plugin

addons/weapon_creator/WeaponCreatorDialog.gd

@@ -12,6 +12,14 @@ var item_key_field: LineEdit
 var ammo_key_field: LineEdit
 var short_name_field: LineEdit
 var description_field: TextEdit
+
+# Sprite selection fields
+var sprite_resource: Texture2D
+var sprite_picker: EditorResourcePicker
+var sprite_preview: TextureRect
+var editor_interface: EditorInterface
+
+# Bullet selection fields
 var bullet_dropdown: OptionButton
 var bullet_path_field: LineEdit
 
@@ -32,13 +40,21 @@ var random_spread_field: SpinBox
 var create_button: Button
 var cancel_button: Button
 
+func setup(editor_iface: EditorInterface) -> void:
+	editor_interface = editor_iface
+	# If sprite picker already exists, ensure it has editor context
+	if sprite_picker:
+		_setup_sprite_picker()
+
 func _ready() -> void:
 	# Window configuration
 	title = "Create New Weapon"
-	size = Vector2i(600, 700)
+	size = Vector2i(750, 950)
 	transient = true
 	exclusive = true
-	popup_window = true
+	
+	# Connect close request (X button) to cancel action
+	close_requested.connect(_on_cancel_pressed)
 	
 	# Center on screen
 	position = (DisplayServer.screen_get_size() - size) / 2
@@ -133,6 +149,16 @@ func _build_basic_info_section(parent: Control) -> void:
 	
 	section.add_child(HSeparator.new())
 	
+	# Sprite Selection
+	var sprite_header = Label.new()
+	sprite_header.text = "Item Sprite"
+	sprite_header.add_theme_font_size_override("font_size", 14)
+	section.add_child(sprite_header)
+	
+	_build_sprite_selector(section)
+	
+	section.add_child(HSeparator.new())
+	
 	# Bullet Selection
 	var bullet_header = Label.new()
 	bullet_header.text = "Bullet Configuration"
@@ -161,6 +187,70 @@ func _build_basic_info_section(parent: Control) -> void:
 	bullet_path_field.editable = false
 	bullet_path_field.text = "res://Resources/Bullets/simple_ice_bullet.tres"
 
+func _build_sprite_selector(parent: Control) -> void:
+	# Container for sprite selector with preview
+	var sprite_container = HBoxContainer.new()
+	sprite_container.add_theme_constant_override("separation", 8)
+	parent.add_child(sprite_container)
+	
+	# Left side: Label and resource picker
+	var left_vbox = VBoxContainer.new()
+	left_vbox.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	left_vbox.add_theme_constant_override("separation", 4)
+	sprite_container.add_child(left_vbox)
+	
+	# Resource picker
+	var picker_hbox = HBoxContainer.new()
+	picker_hbox.add_theme_constant_override("separation", 4)
+	left_vbox.add_child(picker_hbox)
+	
+	var picker_label = Label.new()
+	picker_label.text = "Sprite:"
+	picker_label.custom_minimum_size = Vector2(120, 0)
+	picker_hbox.add_child(picker_label)
+	
+	sprite_picker = EditorResourcePicker.new()
+	sprite_picker.base_type = "Texture2D"
+	sprite_picker.editable = true
+	sprite_picker.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	sprite_picker.resource_changed.connect(_on_sprite_resource_changed)
+	picker_hbox.add_child(sprite_picker)
+	
+	# Setup editor integration if interface is available
+	if editor_interface:
+		_setup_sprite_picker()
+	
+	# Right side: Preview
+	var preview_container = PanelContainer.new()
+	preview_container.custom_minimum_size = Vector2(64, 64)
+	sprite_container.add_child(preview_container)
+	
+	sprite_preview = TextureRect.new()
+	sprite_preview.custom_minimum_size = Vector2(64, 64)
+	sprite_preview.expand_mode = TextureRect.EXPAND_FIT_WIDTH_PROPORTIONAL
+	sprite_preview.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
+	preview_container.add_child(sprite_preview)
+
+func _on_sprite_resource_changed(resource: Resource) -> void:
+	# Update sprite resource and preview when changed via EditorResourcePicker
+	if resource is Texture2D:
+		sprite_resource = resource
+		sprite_preview.texture = resource
+		print("Sprite resource changed: ", resource.resource_path if resource.resource_path else "[Unsaved Resource]")
+	elif resource == null:
+		sprite_resource = null
+		sprite_preview.texture = null
+		print("Sprite resource cleared")
+	else:
+		push_warning("Selected resource is not a Texture2D")
+
+func _setup_sprite_picker() -> void:
+	# Ensure sprite picker is properly integrated with editor
+	if sprite_picker and editor_interface:
+		# EditorResourcePicker automatically integrates with editor when in editor context
+		# Just ensure toggle_mode is set correctly
+		sprite_picker.toggle_mode = false
+
 func _build_stats_section(parent: Control) -> void:
 	var section = VBoxContainer.new()
 	section.add_theme_constant_override("separation", 4)
@@ -299,6 +389,7 @@ func _on_bullet_selected(index: int) -> void:
 	var selected_path = bullet_dropdown.get_item_metadata(index)
 	bullet_path_field.text = selected_path
 
+
 func _on_weapon_name_changed(new_name: String) -> void:
 	# Auto-generate item key from weapon name
 	var generated_key = new_name.to_upper().replace(" ", "_")
@@ -317,6 +408,7 @@ func _on_create_pressed() -> void:
 		"ammo_key": ammo_key_field.text,
 		"weapon_short_name": short_name_field.text,
 		"weapon_description": description_field.text,
+		"sprite_resource": sprite_resource,
 		"default_bullet_path": bullet_path_field.text,
 		"priority": int(priority_field.value),
 		"ammo_per_shot": int(ammo_per_shot_field.value),