From 71b3cd829f80de4c2cd3972d8bfd5ee470a5d180 Mon Sep 17 00:00:00 2001
From: Gone2Daly <71726742+Gone2Daly@users.noreply.github.com>
Date: Sat, 22 Jul 2023 21:05:42 +0200
Subject: init_test

---
 .../zylann.hterrain/util/direct_mesh_instance.gd   | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 game/addons/zylann.hterrain/util/direct_mesh_instance.gd

(limited to 'game/addons/zylann.hterrain/util/direct_mesh_instance.gd')

diff --git a/game/addons/zylann.hterrain/util/direct_mesh_instance.gd b/game/addons/zylann.hterrain/util/direct_mesh_instance.gd
new file mode 100644
index 0000000..17c89c9
--- /dev/null
+++ b/game/addons/zylann.hterrain/util/direct_mesh_instance.gd
@@ -0,0 +1,65 @@
+@tool
+
+# Implementation of MeshInstance which doesn't use the scene tree
+
+var _mesh_instance := RID()
+# Need to keep a reference so that the mesh RID doesn't get freed
+var _mesh : Mesh
+
+
+func _init():
+	var rs = RenderingServer
+	_mesh_instance = rs.instance_create()
+	rs.instance_set_visible(_mesh_instance, true)
+
+
+func _notification(p_what: int):
+	if p_what == NOTIFICATION_PREDELETE:
+		if _mesh_instance != RID():
+			RenderingServer.free_rid(_mesh_instance)
+			_mesh_instance = RID()
+
+
+func enter_world(world: World3D):
+	assert(_mesh_instance != RID())
+	RenderingServer.instance_set_scenario(_mesh_instance, world.get_scenario())
+
+
+func exit_world():
+	assert(_mesh_instance != RID())
+	RenderingServer.instance_set_scenario(_mesh_instance, RID())
+
+
+func set_world(world: World3D):
+	if world != null:
+		enter_world(world)
+	else:
+		exit_world()
+
+
+func set_transform(world_transform: Transform3D):
+	assert(_mesh_instance != RID())
+	RenderingServer.instance_set_transform(_mesh_instance, world_transform)
+
+
+func set_mesh(mesh: Mesh):
+	assert(_mesh_instance != RID())
+	RenderingServer.instance_set_base(_mesh_instance, mesh.get_rid() if mesh != null else RID())
+	_mesh = mesh
+
+
+func set_material(material: Material):
+	assert(_mesh_instance != RID())
+	RenderingServer.instance_geometry_set_material_override( \
+		_mesh_instance, material.get_rid() if material != null else RID())
+
+
+func set_visible(visible: bool):
+	assert(_mesh_instance != RID())
+	RenderingServer.instance_set_visible(_mesh_instance, visible)
+
+
+func set_aabb(aabb: AABB):
+	assert(_mesh_instance != RID())
+	RenderingServer.instance_set_custom_aabb(_mesh_instance, aabb)
+
-- 
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