First pass at blocking camera command.

addons/escoria-core/game/core-scripts/esc/commands/camera_set_pos_block.gd

@@ -0,0 +1,68 @@
+# `camera_set_pos_block time x y`
+#
+# Moves the camera to the given absolute position over a time period. Blocks
+# until the command completes.
+#
+# **Parameters**
+#
+# - *time*: Number of seconds the transition should take
+# - *x*: Target X coordinate
+# - "y*: Target Y coordinate
+#
+# For more details see: https://docs.escoria-framework.org/camera
+#
+# @ESC
+extends ESCCameraBaseCommand
+class_name CameraSetPosBlockCommand
+
+
+# Tween for blocking
+var _camera_tween: Tween
+
+
+# Return the descriptor of the arguments of this command
+func configure() -> ESCCommandArgumentDescriptor:
+	return ESCCommandArgumentDescriptor.new(
+		3,
+		[[TYPE_REAL, TYPE_INT], TYPE_INT, TYPE_INT],
+		[null, null, null]
+	)
+
+
+# Validate whether the given arguments match the command descriptor
+func validate(arguments: Array):
+	if not .validate(arguments):
+		return false
+
+	var new_pos: Vector2 = Vector2(arguments[1], arguments[2])
+	var camera: ESCCamera = escoria.object_manager.get_object(escoria.object_manager.CAMERA).node as ESCCamera
+
+	if not camera.check_point_is_inside_viewport_limits(new_pos):
+		generate_viewport_warning(new_pos, camera)
+		return false
+
+	_camera_tween = camera.get_tween()
+
+	return true
+
+
+# Run the command
+func run(command_params: Array) -> int:
+	(escoria.object_manager.get_object(escoria.object_manager.CAMERA).node as ESCCamera)\
+			.set_target(
+				Vector2(command_params[1], command_params[2]),
+				command_params[0]
+			)
+
+	if command_params[0] > 0.0:
+		yield(_camera_tween, "tween_completed")
+
+	return ESCExecution.RC_OK
+
+
+# Function called when the command is interrupted.
+func interrupt():
+	escoria.logger.warn(
+		self,
+		"[%s] interrupt() function not implemented." % get_command_name()
+	)