Move demos to a submodule (2.0)

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "demos"]
+	path = demos
+	url = https://github.com/gaea-godot/gaea-demos
+	branch = 2.0

addons/gaea/graph/graph_nodes/root/sampling/transformation/to_height.gd

@@ -88,6 +88,7 @@ func _get_output_port_type(_output_name: StringName) -> GaeaValue.Type:
 
 
 func _get_data(_output_port: StringName, area: AABB, graph: GaeaGraph) -> Dictionary[Vector3i, float]:
+	@warning_ignore("shadowed_variable_base_class")
 	var reference: Dictionary = _get_arg(&"reference", area, graph)
 	var row: int = _get_arg(&"reference_y", area, graph)
 	var height_offset: int = _get_arg(&"height_offset", area, graph)

testing/generation/generate_test.gd

@@ -2,28 +2,32 @@ extends GdUnitTestSuite
 
 
 var first_grid: GaeaGrid
+var generator_seed:int
 
-
+const test_scene = "uid://dh5c2eomfri6n"
 
 func test_has_generated() -> void:
-	var scene = load("uid://di7u4f3idjdd").instantiate()
+	var scene : GaeaGenerationTester = load(test_scene).instantiate()
 	var _runner := scene_runner(scene)
 	await scene.test_generation()
 	first_grid = scene.last_grid
+	generator_seed = scene.gaea_generator.seed
 	assert_dict(first_grid._grid).is_not_empty()
 
 
 func test_generations_match() -> void:
-	var scene = load("uid://di7u4f3idjdd").instantiate()
+	var scene : GaeaGenerationTester = load(test_scene).instantiate()
 	var _runner := scene_runner(scene)
 	await scene.test_generation()
 	var second_grid: GaeaGrid = scene.last_grid
+	assert_that(generator_seed).is_equal(scene.gaea_generator.seed)
 	assert_bool(first_grid._grid.recursive_equal(second_grid._grid, 1)).is_true()
 
 
 func test_generations_dont_match() -> void:
-	var scene = load("uid://di7u4f3idjdd").instantiate()
+	var scene : GaeaGenerationTester = load(test_scene).instantiate()
 	var _runner := scene_runner(scene)
-	await scene.test_generation(1)
+	await scene.test_generation(5)
 	var second_grid: GaeaGrid = scene.last_grid
+	assert_that(generator_seed).is_not_equal(scene.gaea_generator.seed)
 	assert_bool(first_grid._grid.recursive_equal(second_grid._grid, 1)).is_false()