Merge pull request #1 from PHS-TSA/terrain

Terrain

addons/terrain_3d/LICENSE.txt

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+MIT License
+
+Copyright (c) 2023 Cory Petkovsek, Roope Palmroos, and Contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

addons/terrain_3d/README.md

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+<img src="doc/docs/images/terrain3d.png">
+
+# Terrain3D
+A high performance, editable terrain system for Godot 4.
+
+## Features
+* Written in C++ as a GDExtension plugin, which works with official engine builds
+* Can be accessed by GDScript, C#, and any language Godot supports
+* Geometric Clipmap Mesh Terrain, as used in The Witcher 3. See [System Architecture](https://terrain3d.readthedocs.io/en/stable/docs/system_architecture.html) 
+* Up to 16k x 16k in 1k regions (imagine multiple islands without paying for 16k^2 vram)
+* Up to 10 Levels of Detail (LODs)
+* Up to 32 texture sets using albedo, normal, roughness, height
+* Sculpting, holes, texture painting, texture detiling, painting colors and wetness
+* Supports importing heightmaps from [HTerrain](https://github.com/Zylann/godot_heightmap_plugin/), WorldMachine, Unity, Unreal and any tool that can export a heightmap (raw/r16/exr/+). See [importing data](https://terrain3d.readthedocs.io/en/stable/docs/import_export.html)
+
+See [Project Status](https://terrain3d.readthedocs.io/en/stable/docs/project_status.html) for details.
+
+## Getting Started
+
+Read through our [documentation](https://terrain3d.readthedocs.io/en/stable/index.html), starting with [Installation](https://terrain3d.readthedocs.io/en/stable/docs/installation.html).
+
+For support, read [Getting Help](https://terrain3d.readthedocs.io/en/stable/docs/getting_help.html) or join our [Discord server](https://tokisan.com/discord).
+
+## Credit
+Developed for the Godot community by:
+
+|||
+|--|--|
+| **Cory Petkovsek, Tokisan Games** | [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/twitter.png?raw=true" width="24"/>](https://twitter.com/TokisanGames) [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/github.png?raw=true" width="24"/>](https://github.com/TokisanGames) [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/www.png?raw=true" width="24"/>](https://tokisan.com/) [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/discord.png?raw=true" width="24"/>](https://tokisan.com/discord) [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/youtube.png?raw=true" width="24"/>](https://www.youtube.com/@TokisanGames)|
+| **Roope Palmroos, Outobugi Games** | [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/twitter.png?raw=true" width="24"/>](https://twitter.com/outobugi) [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/github.png?raw=true" width="24"/>](https://github.com/outobugi) [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/www.png?raw=true" width="24"/>](https://outobugi.com/) [<img src="https://github.com/dmhendricks/signature-social-icons/blob/master/icons/round-flat-filled/35px/youtube.png?raw=true" width="24"/>](https://www.youtube.com/@outobugi)|
+
+And other contributors displayed on the right of the github page and in [AUTHORS.md](https://github.com/TokisanGames/Terrain3D/blob/main/AUTHORS.md).
+
+Geometry clipmap mesh code created by [Mike J. Savage](https://mikejsavage.co.uk/blog/geometry-clipmaps.html). Blog and repository code released under the MIT license per email communication with Mike.
+
+## Contributing
+
+Please see [CONTRIBUTING.md](https://github.com/TokisanGames/Terrain3D/blob/main/CONTRIBUTING.md) if you would like to help make Terrain3D the best terrain system for Godot.
+
+
+## License
+
+This plugin has been released under the [MIT License](https://github.com/TokisanGames/Terrain3D/blob/main/LICENSE.txt).
+

addons/terrain_3d/editor/components/bake_lod_dialog.gd

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+@tool
+extends ConfirmationDialog
+
+var lod: int = 0
+var description: String = ""
+
+
+func _ready() -> void:
+	set_unparent_when_invisible(true)
+	about_to_popup.connect(_on_about_to_popup)
+	visibility_changed.connect(_on_visibility_changed)
+	%LodBox.value_changed.connect(_on_lod_box_value_changed)
+
+
+func _on_about_to_popup() -> void:
+	lod = %LodBox.value
+
+
+func _on_visibility_changed() -> void:
+	# Change text on the autowrap label only when the popup is visible.
+	# Works around Godot issue #47005:
+	# https://github.com/godotengine/godot/issues/47005
+	if visible:
+		%DescriptionLabel.text = description
+
+
+func _on_lod_box_value_changed(p_value: float) -> void:
+	lod = %LodBox.value

addons/terrain_3d/editor/components/bake_lod_dialog.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://bhvrrmb8bk1bt"]
+
+[ext_resource type="Script" path="res://addons/terrain_3d/editor/components/bake_lod_dialog.gd" id="1_57670"]
+
+[node name="bake_lod_dialog" type="ConfirmationDialog"]
+title = "Bake Terrain3D Mesh"
+position = Vector2i(0, 36)
+size = Vector2i(400, 115)
+visible = true
+script = ExtResource("1_57670")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 8.0
+offset_top = 8.0
+offset_right = -8.0
+offset_bottom = -49.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="HBoxContainer" type="HBoxContainer" parent="VBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="Label" type="Label" parent="VBoxContainer/HBoxContainer"]
+layout_mode = 2
+text = "LOD:"
+
+[node name="LodBox" type="SpinBox" parent="VBoxContainer/HBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+max_value = 8.0
+value = 4.0
+
+[node name="DescriptionLabel" type="Label" parent="VBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+autowrap_mode = 2