Added footsteps, new tree, various other tweaks

addons/proton_scatter/demos/loading.gd

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+@tool
+extends Control
+
+# Hides the loading screen when the scatter nodes are ready.
+#
+# Every Scatter nodes emit a signal called "build_completed" when they are done
+# generating their multimeshes.
+
+var _scatter_completed := false
+
+
+func _ready() -> void:
+	# Show the loading screen, unless scatter is already done.
+	visible = not _scatter_completed
+
+
+# In this example, the Grass is usually the last one to complete, so its
+# 'build_completed' signal is connected to this method.
+# You could also listen to multiple Scatter nodes and accumulate all the signals
+# to be extra safe. How you handle this is up to you.
+func _on_scatter_build_completed() -> void:
+	visible = false
+	_scatter_completed = true