class_name X

static func LoadModel(filePath: String):
	var sillyPath = str("res://", filePath.replace("/Map/", "/map/"))
	var file = FileAccess.open(sillyPath, FileAccess.READ)
	
	# Do a case insensitive lookup only if we have to, it's more expensive.
	if file == null:
		file = FileAccess.open(Utils.GetCaseiFileName(sillyPath), FileAccess.READ)
	
	var fileLines = file.get_as_text(true).split("\n")
	
	var meshDataStart = false
	var indexDataStart = false
	var meshTextureCoordsStart = false
	var textureNameStart = false
	var textureName = ""
	var texture: Texture2D = null
	var meshDataLength = -1
	var uvsDataLength = -1
	var indexDataLength = -1
	var verts = PackedVector3Array()
	var uvs = PackedVector2Array()
	var indexes = PackedInt32Array()
	for line in fileLines:
		if meshDataStart or indexDataStart:
			if meshDataStart and meshDataLength == -1:
				meshDataLength = int(line.strip_edges().split(";")[0])
			elif indexDataStart and indexDataLength == -1:
				indexDataLength = int(line.strip_edges().split(";")[0])
			elif meshDataStart:
				var pointData = line.strip_edges().split(";")
				if pointData.size() == 5:
					meshDataStart = false
					indexDataStart = true
				verts.push_back(Vector3(-float(pointData[0]), float(pointData[1]), float(pointData[2])))
			elif indexDataStart:
				var indexParts = line.strip_edges().split(";")
				if indexParts.size() == 4:
					indexDataStart = false
				var indexData = indexParts[1].split(",")
				var amount = int(indexParts[0])
				for i in range(amount):
					indexes.push_back(int(indexData[i]))
		elif textureNameStart:
			textureName = line.strip_edges().split(";")[0].replace("\"", "")
			var texturePath = str("GFX/map/Props/", textureName)
			texture = Global.GetTextureFromCache(texturePath)
			if not texture:
				texture = Global.LoadTexture(texturePath)
			textureNameStart = false
		elif meshTextureCoordsStart:
			if uvsDataLength == -1:
				uvsDataLength = int(line.strip_edges().split(";")[0])
			else:
				var uvParts = line.strip_edges().split(";")
				if uvParts.size() == 4:
					meshTextureCoordsStart = false
				uvs.push_back(Vector2(float(uvParts[0]), float(uvParts[1])))
		
		if line.strip_edges().contains("Mesh "):
			meshDataStart = true
		elif line.strip_edges().contains("TextureFilename"):
			textureNameStart = true
		elif line.strip_edges().contains("MeshTextureCoords"):
			meshTextureCoordsStart = true
			
	var mesh = MeshInstance3D.new()
	var arr_mesh = ArrayMesh.new()
	var arr = []
	arr.resize(Mesh.ARRAY_MAX)
	
	arr[Mesh.ARRAY_VERTEX]=verts
	arr[Mesh.ARRAY_TEX_UV]=uvs
	arr[Mesh.ARRAY_INDEX]=indexes
	
	var meshInstance = MeshInstance3D.new()
	arr_mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arr)
	meshInstance.mesh = arr_mesh
	var mat = StandardMaterial3D.new()
	#mat.albedo_color = Color(randi() % 255 / 255.0, randi() % 255 / 255.0, randi() % 255 / 255.0)
	mat.albedo_texture = texture
	#mat.transparency = BaseMaterial3D.TRANSPARENCY_ALPHA_DEPTH_PRE_PASS if activeAlbedoHasAlpha else BaseMaterial3D.TRANSPARENCY_DISABLED
	meshInstance.set_surface_override_material(0, mat)
	meshInstance.create_trimesh_collision()
	meshInstance.name = str(filePath, "_", Time.get_unix_time_from_system())
	return meshInstance