From 4bfbf641dc2b8aca8de9f86a9908063f39bd6e31 Mon Sep 17 00:00:00 2001
From: jacopograndi <jacopo.grandi@outlook.it>
Date: Fri, 14 Jan 2022 13:04:34 +0100
Subject: .

---
 assets/addons/voxel-core/classes/voxel_mesh.gd | 124 +++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 assets/addons/voxel-core/classes/voxel_mesh.gd

(limited to 'assets/addons/voxel-core/classes/voxel_mesh.gd')

diff --git a/assets/addons/voxel-core/classes/voxel_mesh.gd b/assets/addons/voxel-core/classes/voxel_mesh.gd
new file mode 100644
index 0000000..0191deb
--- /dev/null
+++ b/assets/addons/voxel-core/classes/voxel_mesh.gd
@@ -0,0 +1,124 @@
+tool
+class_name VoxelMesh, "res://addons/voxel-core/assets/classes/voxel_mesh.png"
+extends "res://addons/voxel-core/classes/voxel_object.gd"
+# The most basic voxel visualization object, for a moderate amount of voxels.
+
+
+
+## Private Variables
+# Used voxels, Dictionary<Vector3, int>
+var _voxels := {}
+
+
+
+## Built-In Virtual Methods
+func _get(property : String):
+	if property == "VOXELS":
+		return _voxels
+
+
+func _set(property : String, value):
+	if property == "VOXELS":
+		_voxels = value
+		return true
+	return false
+
+
+func _get_property_list():
+	var properties = []
+	
+	properties.append({
+		"name": "VOXELS",
+		"type": TYPE_DICTIONARY,
+		"hint": PROPERTY_HINT_NONE,
+		"usage": PROPERTY_USAGE_STORAGE,
+	})
+	
+	return properties
+
+
+
+## Public Methods
+func empty() -> bool:
+	return _voxels.empty()
+
+
+func set_voxel(grid : Vector3, voxel : int) -> void:
+	_voxels[grid] = voxel
+
+
+func set_voxels(voxels : Dictionary) -> void:
+	erase_voxels()
+	_voxels = voxels
+
+
+func get_voxel_id(grid : Vector3) -> int:
+	return _voxels.get(grid, -1)
+
+
+func get_voxels() -> Array:
+	return _voxels.keys()
+
+
+func erase_voxel(grid : Vector3) -> void:
+	_voxels.erase(grid)
+
+
+func erase_voxels() -> void:
+	_voxels.clear()
+
+
+func update_mesh() -> void:
+	if not _voxels.empty():
+		var vt := VoxelTool.new()
+		var materials := {}
+		if is_instance_valid(mesh) and mesh is ArrayMesh:
+			for index in get_surface_material_count():
+				var material := get_surface_material(index)
+				if is_instance_valid(material):
+					materials[mesh.surface_get_name(index)] = material
+		
+		match MeshModes.NAIVE if edit_hint > 0 else mesh_mode:
+			MeshModes.GREEDY:
+				mesh = greed_volume(_voxels.keys(), vt)
+			_:
+				mesh = naive_volume(_voxels.keys(), vt)
+		
+		for material_name in materials:
+			var material_index = mesh.surface_find_by_name(material_name)
+			if material_index > -1:
+				set_surface_material(material_index, materials[material_name])
+	else:
+		mesh = null
+	.update_mesh()
+
+
+func update_static_body() -> void:
+	var staticBody = get_node_or_null("StaticBody")
+	
+	if (edit_hint >= 2 or static_body) and is_instance_valid(mesh):
+		if not is_instance_valid(staticBody):
+			staticBody = StaticBody.new()
+			staticBody.set_name("StaticBody")
+			add_child(staticBody)
+		
+		var collisionShape
+		if staticBody.has_node("CollisionShape"):
+			collisionShape = staticBody.get_node("CollisionShape")
+		else:
+			collisionShape = CollisionShape.new()
+			collisionShape.set_name("CollisionShape")
+			staticBody.add_child(collisionShape)
+		collisionShape.shape = mesh.create_trimesh_shape()
+		
+		if static_body and not staticBody.owner:
+			staticBody.set_owner(get_tree().get_edited_scene_root())
+		elif not static_body and staticBody.owner:
+			staticBody.set_owner(null)
+		if static_body and not collisionShape.owner:
+			collisionShape.set_owner(get_tree().get_edited_scene_root())
+		elif not static_body and staticBody.owner:
+			collisionShape.set_owner(null)
+	elif is_instance_valid(staticBody):
+		remove_child(staticBody)
+		staticBody.queue_free()
-- 
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