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object_adapter.gd
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object_adapter.gd
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# This file is part of Unidot Importer. See LICENSE.txt for full MIT license.
# Copyright (c) 2021-present Lyuma <[email protected]> and contributors
# SPDX-License-Identifier: MIT
@tool
extends RefCounted
const FORMAT_FLOAT32: int = 0
const FORMAT_FLOAT16: int = 1
const FORMAT_UNORM8: int = 2
const FORMAT_SNORM8: int = 3
const FORMAT_UNORM16: int = 4
const FORMAT_SNORM16: int = 5
const FORMAT_UINT8: int = 6
const FORMAT_SINT8: int = 7
const FORMAT_UINT16: int = 8
const FORMAT_SINT16: int = 9
const FORMAT_UINT32: int = 10
const FORMAT_SINT32: int = 11
const aligned_byte_buffer := preload("./aligned_byte_buffer.gd")
const monoscript := preload("./monoscript.gd")
const anim_tree_runtime := preload("./runtime/anim_tree.gd")
const human_trait = preload("./humanoid/human_trait.gd")
const humanoid_transform_util = preload("./humanoid/transform_util.gd")
const unidot_utils_class = preload("./unidot_utils.gd")
var unidot_utils = unidot_utils_class.new()
const STRING_KEYS: Dictionary = {
"value": 1,
"m_Name": 1,
"m_TagString": 1,
"name": 1,
"first": 1,
"propertyPath": 1,
"path": 1,
"attribute": 1,
"m_ShaderKeywords": 1,
"typelessdata": 1, # Mesh m_VertexData; Texture image data
"m_IndexBuffer": 1,
"Hash": 1,
}
func to_classname(utype: Variant) -> String:
if typeof(utype) == TYPE_NODE_PATH:
return str(utype)
var ret = utype_to_classname.get(utype, "")
if ret == "":
return "[UnknownType:" + str(utype) + "]"
return ret
func to_utype(classname: String) -> int:
return classname_to_utype.get(classname, 0)
func instantiate_unidot_object(meta: Object, fileID: int, utype: int, type: String) -> UnidotObject:
var ret: UnidotObject = null
var actual_type = type
if utype != 0 and utype_to_classname.has(utype):
actual_type = utype_to_classname[utype]
if actual_type != type and (type != "Behaviour" or actual_type != "FlareLayer") and (type != "Prefab" or actual_type != "PrefabInstance"):
meta.log_warn(fileID, "Mismatched type:" + type + " vs. utype:" + str(utype) + ":" + actual_type)
if _type_dictionary.has(actual_type):
# meta.log_debug(fileID, "Will instantiate object of type " + str(actual_type) + "/" + str(type) + "/" + str(utype) + "/" + str(classname_to_utype.get(actual_type, utype)))
ret = _type_dictionary[actual_type].new()
else:
meta.log_fail(fileID, "Failed to instantiate object of type " + str(actual_type) + "/" + str(type) + "/" + str(utype) + "/" + str(classname_to_utype.get(actual_type, utype)))
if type.ends_with("Importer"):
ret = UnidotAssetImporter.new()
else:
ret = UnidotObject.new()
ret.meta = meta
ret.adapter = self
ret.fileID = fileID
if utype != 0 and utype != classname_to_utype.get(actual_type, utype):
meta.log_warn(fileID, "Mismatched utype " + str(utype) + " for " + type)
ret.utype = classname_to_utype.get(actual_type, utype)
ret.type = actual_type
return ret
func instantiate_unidot_object_from_utype(meta: Object, fileID: int, utype: int) -> UnidotObject:
var ret: UnidotObject = null
if not utype_to_classname.has(utype):
meta.log_fail(fileID, "Unknown utype " + str(utype))
return
var actual_type: String = utype_to_classname[utype]
if _type_dictionary.has(actual_type):
ret = _type_dictionary[actual_type].new()
else:
meta.log_fail(fileID, "Failed to instantiate object of type " + str(actual_type) + "/" + str(utype) + "/" + str(classname_to_utype.get(actual_type, utype)))
ret = UnidotObject.new()
ret.meta = meta
ret.adapter = self
ret.fileID = fileID
ret.utype = classname_to_utype.get(actual_type, utype)
ret.type = actual_type
return ret
# Unidot types follow:
### ================ BASE OBJECT TYPE ================
class UnidotObject:
extends RefCounted
var meta: Resource = null # AssetMeta instance
var keys: Dictionary = {}
var fileID: int = 0 # Not set in .meta files
var type: String = ""
var utype: int = 0 # Not set in .meta files
var _cache_uniq_key: String = ""
var adapter: RefCounted = null # RefCounted to containing scope.
# Log messages related to this asset
func log_debug(msg: String):
meta.log_debug(self.fileID, msg)
# Anything that is unexpected but does not necessarily imply corruption.
# For example, successfully loaded a resource with default fileid
func log_warn(msg: String, field: String = "", remote_ref: Variant = [null, 0, "", null]):
if typeof(remote_ref) == TYPE_ARRAY:
meta.log_warn(self.fileID, msg, field, remote_ref)
elif typeof(remote_ref) == TYPE_OBJECT and remote_ref:
meta.log_warn(self.fileID, msg, field, [null, remote_ref.fileID, remote_ref.meta.guid, 0])
else:
meta.log_warn(self.fileID, msg, field)
# Anything that implies the asset will be corrupt / lost data.
# For example, some reference or field could not be assigned.
func log_fail(msg: String, field: String = "", remote_ref: Variant = [null, 0, "", null]):
if typeof(remote_ref) == TYPE_ARRAY:
meta.log_fail(self.fileID, msg, field, remote_ref)
elif typeof(remote_ref) == TYPE_OBJECT and remote_ref:
meta.log_fail(self.fileID, msg, field, [null, remote_ref.fileID, remote_ref.meta.guid, 0])
else:
meta.log_fail(self.fileID, msg, field)
# Some components or game objects within a prefab are "stripped" dummy objects.
# Setting the stripped flag is not required...
# and properties of prefabbed objects seem to have no effect anyway.
var is_stripped: bool = false
func is_stripped_or_prefab_instance() -> bool:
return is_stripped or is_non_stripped_prefab_reference
var uniq_key: String:
get:
if _cache_uniq_key.is_empty():
_cache_uniq_key = (str(utype) + ":" + str(keys.get("m_Name", "")) + ":" + str(meta.guid) + ":" + str(fileID))
return _cache_uniq_key
func _to_string() -> String:
#return "[" + str(type) + " @" + str(fileID) + ": " + str(len(keys)) + "]" # str(keys) + "]"
#return "[" + str(type) + " @" + str(fileID) + ": " + JSON.print(keys) + "]"
return "[" + str(type) + ":" + str(utype) + " " + str(get_debug_name()) + " @" + str(meta.guid) + ":" + str(fileID) + "]"
var name: String:
get:
return get_name()
func get_name() -> String:
if fileID == meta.main_object_id:
return meta.get_main_object_name()
if not keys.get("m_Name", "").is_empty():
return keys.get("m_Name", "")
return str(keys.get("m_Name", "NO_NAME_" + str(fileID)))
func get_debug_name() -> String:
return get_name()
var toplevel: bool:
get:
return is_toplevel()
func is_toplevel() -> bool:
return true
func is_collider() -> bool:
return false
var transform: Object:
get:
return get_transform()
func get_transform() -> Object:
return null
var gameObject: UnidotGameObject:
get:
return get_gameObject()
func get_gameObject() -> UnidotGameObject:
return null
# Belongs in UnidotComponent, but we haven't implemented all types yet.
func create_godot_node(state: RefCounted, new_parent: Node3D) -> Node:
var new_node: Node = Node.new()
new_node.name = type
assign_object_meta(new_node)
state.add_child(new_node, new_parent, self)
return new_node
func get_godot_type() -> String:
return "Object"
func get_extra_resources() -> Dictionary:
return {}
func get_extra_resource(fileID: int) -> Resource:
return null
func create_godot_resource() -> Resource:
return null
func get_godot_extension() -> String:
return ".res"
func assign_object_meta(ret: Object) -> void:
if ret != null:
if meta.get_database().enable_unidot_keys:
ret.set_meta("unidot_keys", self.keys)
func configure_skeleton_bone(skel: Skeleton3D, bone_name: String):
configure_skeleton_bone_props(skel, bone_name, self.keys)
func configure_skeleton_bone_props(skel: Node3D, bone_name: String, uprops: Dictionary):
if skel is BoneAttachment3D:
skel = skel.get_parent() # Should be the Skeleton3D
if not (skel is Skeleton3D):
log_fail("Unable to configure skeleton bone props on node " + str(skel) + " bone " + str(bone_name))
return
var props = self.convert_skeleton_properties(skel, bone_name, uprops)
var bone_idx: int = skel.find_bone(bone_name)
if props.has("quaternion"):
skel.set_bone_pose_rotation(bone_idx, props["quaternion"])
if props.has("position"):
skel.set_bone_pose_position(bone_idx, props["position"])
if props.has("scale"):
skel.set_bone_pose_scale(bone_idx, props["scale"])
var signs: Vector3 = (props["scale"].sign() + Vector3(0.5,0.5,0.5)).sign()
if not signs.is_equal_approx(Vector3.ONE) and not signs.is_equal_approx(-Vector3.ONE):
meta.transform_fileid_to_scale_signs[fileID] = signs
func convert_skeleton_properties(skel: Skeleton3D, bone_name: String, uprops: Dictionary):
var props: Dictionary = self.convert_properties(skel, uprops)
return props
func configure_node(node: Node):
if node == null:
return
var props: Dictionary = self.convert_properties(node, self.keys)
apply_component_props(node, props)
apply_node_props(node, props)
# Called once per component, not per-node. Only use for things that need a reference to the component
func apply_component_props(node: Node, props: Dictionary):
if props.has("scale"):
var signs: Vector3 = (props["scale"].sign() + Vector3(0.5,0.5,0.5)).sign()
if not signs.is_equal_approx(Vector3.ONE) and not signs.is_equal_approx(-Vector3.ONE):
meta.transform_fileid_to_scale_signs[fileID] = signs
# Called at least once per node. Most properties are set up in this way, since nodes are affected by multiple components
# Note that self.fileID may be pointing to a random component (or the GameObject itself) in this function.
func apply_node_props(node: Node, props: Dictionary):
if node is MeshInstance3D:
self.apply_mesh_renderer_props(meta, node, props)
log_debug(str(node.name) + ": " + str(props))
for propname in props:
if typeof(props.get(propname)) == TYPE_NIL:
continue
elif str(propname).ends_with(":x") or str(propname).ends_with(":y") or str(propname).ends_with(":z"):
log_warn("Unexpected per-axis value property in apply_node_props " + str(propname))
elif str(propname) == "name":
pass # We cannot do Name here because it will break existing NodePath of outer prefab to children.
else:
log_debug("SET " + str(node.name) + ":" + propname + " to " + str(props[propname]))
var dig: Variant = node
var dig_propnames: Array = propname.split(":") # example: dig_propnames = ["shape", "size"]
for prop in dig_propnames.slice(0, len(dig_propnames) - 1):
dig = dig.get(prop) # example: dig = CollisionShape3D
dig.set(dig_propnames[-1], props.get(propname))
func apply_mesh_renderer_props(meta: RefCounted, node: MeshInstance3D, props: Dictionary):
const material_prefix: String = ":UNIDOT_PROXY:"
log_debug("Apply mesh renderer props: " + str(props) + " / " + str(node.mesh))
var truncated_mat_prefix: String = meta.get_database().truncated_material_reference.resource_name
var null_mat_prefix: String = meta.get_database().null_material_reference.resource_name
var last_material: Object = null
var old_surface_count: int = 0
if node.mesh == null or node.mesh.get_surface_count() == 0:
last_material = node.get_material_override()
if last_material != null:
old_surface_count = 1
else:
old_surface_count = node.mesh.get_surface_count()
last_material = node.get_active_material(old_surface_count - 1)
while last_material != null and last_material.resource_name.begins_with(truncated_mat_prefix):
old_surface_count -= 1
if old_surface_count == 0:
last_material = null
break
last_material = node.get_active_material(old_surface_count - 1)
var last_extra_material: Resource = last_material
var current_materials_raw: Array = [].duplicate()
var prefix: String = material_prefix + str(old_surface_count - 1) + ":"
var new_prefix: String = prefix
var material_idx: int = 0
while material_idx < old_surface_count:
var mat: Resource = node.get_active_material(material_idx)
if mat != null and str(mat.resource_name).begins_with(prefix):
break
current_materials_raw.push_back(mat)
material_idx += 1
var mat_slots: PackedInt32Array = meta.fileid_to_material_order_rev.get(fileID, meta.prefab_fileid_to_material_order_rev.get(fileID, PackedInt32Array()))
var current_materials: Array
current_materials.resize(len(mat_slots))
for i in range(len(mat_slots)):
current_materials[i] = current_materials_raw[mat_slots[i]]
for i in range(len(mat_slots), len(current_materials_raw)):
current_materials.append(current_materials_raw[i])
log_debug("Current mat slots " + str(mat_slots) + " materials before: " + str(current_materials))
while last_extra_material != null and (str(last_extra_material.resource_name).begins_with(prefix) or str(last_extra_material.resource_name).begins_with(new_prefix)):
if str(last_extra_material.resource_name).begins_with(new_prefix):
prefix = new_prefix
var guid_fileid = str(last_extra_material.resource_name).substr(len(prefix)).split(":")
current_materials.push_back(meta.get_godot_resource([null, guid_fileid[1].to_int(), guid_fileid[0], null]))
material_idx += 1
new_prefix = material_prefix + str(material_idx) + ":"
#material_idx_to_extra_material[material_idx] = last_extra_material
last_extra_material = last_extra_material.next_pass
if material_idx == old_surface_count - 1:
assert(last_extra_material != null)
current_materials.push_back(last_extra_material)
material_idx += 1
var new_materials_size = props.get("_materials_size", material_idx)
if props.has("_mesh"):
var mesh_ref: Array = props["_mesh_ref"]
var mesh_meta: Resource = meta.lookup_meta(mesh_ref)
if mesh_meta != null:
meta.fileid_to_material_order_rev[fileID] = mesh_meta.fileid_to_material_order_rev.get(mesh_ref[1], PackedInt32Array())
log_debug("GET " + str(fileID) + ": " + str(mesh_ref[1]) + " from " + str(mesh_meta.fileid_to_material_order_rev.get(mesh_ref[1])))
node.mesh = props.get("_mesh")
node.material_override = null
if props.has("_lightmap_static"):
if props["_lightmap_static"]:
var has_uv2: bool = false
if node.mesh is ArrayMesh:
var array_mesh := node.mesh as ArrayMesh
has_uv2 = 0 != (array_mesh.surface_get_format(0) & Mesh.ARRAY_FORMAT_TEX_UV2)
if node.mesh is PrimitiveMesh:
var prim_mesh := node.mesh as PrimitiveMesh
prim_mesh.add_uv2 = true
has_uv2 = true
if has_uv2:
node.gi_mode = GeometryInstance3D.GI_MODE_STATIC
else:
node.gi_mode = GeometryInstance3D.GI_MODE_DYNAMIC
else:
# GI_MODE_DISABLED seems buggy and ignores light probes.
node.gi_mode = GeometryInstance3D.GI_MODE_DYNAMIC
mat_slots = meta.fileid_to_material_order_rev.get(fileID, meta.prefab_fileid_to_material_order_rev.get(fileID, PackedInt32Array()))
current_materials.resize(new_materials_size)
for i in range(new_materials_size):
var idx = mat_slots[i] if i < len(mat_slots) else i
if idx < new_materials_size:
current_materials[idx] = props.get("_materials/" + str(i), current_materials[i])
log_debug("After mat slots " + str(mat_slots) + " materials after: " + str(current_materials))
var new_surface_count: int = 0 if node.mesh == null else node.mesh.get_surface_count()
if new_surface_count != 0 and node.mesh != null:
if new_materials_size < new_surface_count:
for i in range(new_materials_size, new_surface_count):
node.set_surface_override_material(i, meta.get_database().truncated_material_reference)
for i in range(new_materials_size):
node.set_surface_override_material(i, current_materials[i])
# surface_get_material
#for i in range(new_surface_count)
# for i in range():
# node.material_override
#else:
# if new_materials_size < new_surface_count:
func convert_properties(node: Node, uprops: Dictionary) -> Dictionary:
return convert_properties_component(node, uprops)
func convert_properties_component(node: Node, uprops: Dictionary) -> Dictionary:
return {}
static func get_ref(uprops: Dictionary, key: String) -> Array:
var ref: Variant = uprops.get(key, null)
if typeof(ref) == TYPE_ARRAY:
return ref
return [null, 0, "", 0]
func get_vector(uprops: Dictionary, key: String, dfl := Vector3.ZERO) -> Variant:
if uprops.has(key):
return uprops.get(key)
# log_debug("key is " + str(key) + "; " + str(uprops))
if uprops.has(key + ".x") or uprops.has(key + ".y") or uprops.has(key + ".z"):
var xreturn: Vector3 = Vector3(uprops.get(key + ".x", dfl.x), uprops.get(key + ".y", dfl.y), uprops.get(key + ".z", dfl.z))
# log_debug("xreturn is " + str(xreturn))
return xreturn
return null
static func get_quat(uprops: Dictionary, key: String, dfl := Quaternion.IDENTITY) -> Variant:
if uprops.has(key):
return uprops.get(key)
if uprops.has(key + ".x") or uprops.has(key + ".y") or uprops.has(key + ".z") or uprops.has(key + ".w"):
return Quaternion(uprops.get(key + ".x", dfl.x), uprops.get(key + ".y", dfl.y), uprops.get(key + ".z", dfl.z), uprops.get(key + ".w", dfl.w)).normalized()
return null
# Prefab source properties: Component and GameObject sub-types only:
# version 2018+:
# m_CorrespondingSourceObject: {fileID: 100176, guid: ca6da198c98777940835205234d6323d, type: 3}
# m_PrefabInstance: {fileID: 2493014228082835901}
# m_PrefabAsset: {fileID: 0}
# (m_PrefabAsset is always(?) 0 no matter what. I guess we can ignore it?
# version 2017-:
# m_PrefabParentObject: {fileID: 4504365477183010, guid: 52b062a91263c0844b7557d84ca92dbd, type: 2}
# m_PrefabInternal: {fileID: 15226381}
var prefab_source_object: Array:
get:
# new: m_CorrespondingSourceObject; old: m_PrefabParentObject
return keys.get("m_CorrespondingSourceObject", keys.get("m_PrefabParentObject", [null, 0, "", 0]))
var prefab_instance: Array:
get:
# new: m_PrefabInstance; old: m_PrefabInternal
return keys.get("m_PrefabInstance", keys.get("m_PrefabInternal", [null, 0, "", 0]))
var is_non_stripped_prefab_reference: bool:
get:
# Might be some 5.6 content. See arktoon Shaders/ExampleScene
# non-stripped prefab references are allowed to override properties.
return not is_stripped and not (prefab_source_object[1] == 0 or prefab_instance[1] == 0)
var is_prefab_reference: bool:
get:
if not is_stripped:
#if not (prefab_source_object[1] == 0 or prefab_instance[1] == 0):
# log_debug(str(self) + " WITHIN " + str(self.meta.guid) + " / " + str(self.meta.path) + " keys:" + str(self.keys))
pass #assert (prefab_source_object[1] == 0 or prefab_instance[1] == 0)
else:
# Might have source object=0 if the object is a dummy / broken prefab?
pass # assert (prefab_source_object[1] != 0 and prefab_instance[1] != 0)
return prefab_source_object[1] != 0 and prefab_instance[1] != 0
func get_component_key() -> Variant:
if self.utype == 114:
return monoscript.convert_unidot_ref_to_npidentifier(self.keys["m_Script"])
return self.utype
var children_refs: Array:
get:
return keys.get("m_Children", [])
### ================ ASSET TYPES ================
# FIXME: All of these are native Godot types. I'm not sure if these types are needed or warranted.
class UnidotMesh:
extends UnidotObject
func get_primitive_format(submesh: Dictionary) -> int:
match submesh.get("topology", 0):
0:
return Mesh.PRIMITIVE_TRIANGLES
2:
return Mesh.PRIMITIVE_TRIANGLES # quad meshes handled specially later
3:
return Mesh.PRIMITIVE_LINES
4:
return Mesh.PRIMITIVE_LINE_STRIP
5:
return Mesh.PRIMITIVE_POINTS
_:
log_fail(str(self) + ": Unknown primitive format " + str(submesh.get("topology", 0)))
return Mesh.PRIMITIVE_TRIANGLES
func get_godot_type() -> String:
return "Mesh"
func get_extra_resources() -> Dictionary:
if binds.is_empty():
return {}
return {-self.fileID: ".skin.tres"}
func dict_to_matrix(b: Dictionary) -> Transform3D:
return (
Transform3D.FLIP_X.affine_inverse()
* Transform3D(
Vector3(b.get("e00"), b.get("e10"), b.get("e20")),
Vector3(b.get("e01"), b.get("e11"), b.get("e21")),
Vector3(b.get("e02"), b.get("e12"), b.get("e22")),
Vector3(b.get("e03"), b.get("e13"), b.get("e23")),
)
* Transform3D.FLIP_X
)
func get_extra_resource(fileID: int) -> Resource: #Skin:
var sk: Skin = Skin.new()
var idx: int = 0
for b in binds:
sk.add_bind(idx, dict_to_matrix(b))
idx += 1
return sk
func create_godot_resource() -> Resource: #ArrayMesh:
var vertex_buf: RefCounted = get_vertex_data()
var index_buf: RefCounted = get_index_data()
var vertex_layout: Dictionary = vertex_layout_info
var channel_info_array: Array = vertex_layout.get("m_Channels", [])
# https://docs.unity3d.com/2019.4/Documentation/ScriptReference/Rendering.VertexAttribute.html
var to_godot_mesh_channels: Array = [ArrayMesh.ARRAY_VERTEX, ArrayMesh.ARRAY_NORMAL, ArrayMesh.ARRAY_TANGENT, ArrayMesh.ARRAY_COLOR, ArrayMesh.ARRAY_TEX_UV, ArrayMesh.ARRAY_TEX_UV2, ArrayMesh.ARRAY_CUSTOM0, ArrayMesh.ARRAY_CUSTOM1, ArrayMesh.ARRAY_CUSTOM2, ArrayMesh.ARRAY_CUSTOM3, -1, -1, ArrayMesh.ARRAY_WEIGHTS, ArrayMesh.ARRAY_BONES]
# Old vertex layout is probably stable since Unidot 5.0
if vertex_layout.get("serializedVersion", 1) < 2:
# Old layout seems to have COLOR at the end.
to_godot_mesh_channels = [ArrayMesh.ARRAY_VERTEX, ArrayMesh.ARRAY_NORMAL, ArrayMesh.ARRAY_TANGENT, ArrayMesh.ARRAY_TEX_UV, ArrayMesh.ARRAY_TEX_UV2, ArrayMesh.ARRAY_CUSTOM0, ArrayMesh.ARRAY_CUSTOM1, ArrayMesh.ARRAY_COLOR]
var tmp: Array = self.pre2018_skin
var pre2018_weights_buf: PackedFloat32Array = tmp[0]
var pre2018_bones_buf: PackedInt32Array = tmp[1]
var surf_idx: int = 0
var total_vertex_count: int = vertex_layout.get("m_VertexCount", 0)
var idx_format: int = keys.get("m_IndexFormat", 0)
var arr_mesh = ArrayMesh.new()
var stream_strides: Array = [0, 0, 0, 0]
var stream_offsets: Array = [0, 0, 0, 0]
if len(to_godot_mesh_channels) != len(channel_info_array):
log_fail("Unidot has the wrong number of vertex channels: " + str(len(to_godot_mesh_channels)) + " vs " + str(len(channel_info_array)))
for array_idx in range(len(to_godot_mesh_channels)):
var channel_info: Dictionary = channel_info_array[array_idx]
stream_strides[channel_info.get("stream", 0)] += (((channel_info.get("dimension", 4) * aligned_byte_buffer.format_byte_width(channel_info.get("format", 0))) + 3) / 4 * 4)
for s in range(1, 4):
stream_offsets[s] = stream_offsets[s - 1] + (total_vertex_count * stream_strides[s - 1] + 15) / 16 * 16
for submesh in submeshes:
var surface_arrays: Array = []
surface_arrays.resize(ArrayMesh.ARRAY_MAX)
var surface_index_buf: PackedInt32Array
if idx_format == 0:
surface_index_buf = index_buf.uint16_subarray(submesh.get("firstByte", 0), submesh.get("indexCount", -1))
else:
surface_index_buf = index_buf.uint32_subarray(submesh.get("firstByte", 0), submesh.get("indexCount", -1))
if submesh.get("topology", 0) == 2:
# convert quad mesh to tris
var new_buf: PackedInt32Array = PackedInt32Array()
new_buf.resize(len(surface_index_buf) / 4 * 6)
var quad_idx = [0, 1, 2, 2, 1, 3]
var range_6: Array = [0, 1, 2, 3, 4, 5]
var i: int = 0
var ilen: int = len(surface_index_buf) / 4
while i < ilen:
for el in range_6:
new_buf[i * 6 + el] = surface_index_buf[i * 4 + quad_idx[el]]
i += 1
surface_index_buf = new_buf
log_debug("Index count " + str(len(surface_index_buf)) + " from byte " + str(submesh.get("firstByte", 0)) + " count " + str(submesh.get("indexCount", -1)))
var deltaVertex: int = submesh.get("firstVertex", 0)
var baseFirstVertex: int = submesh.get("baseVertex", 0) + deltaVertex
var vertexCount: int = submesh.get("vertexCount", 0)
log_debug("baseFirstVertex " + str(baseFirstVertex) + " baseVertex " + str(submesh.get("baseVertex", 0)) + " deltaVertex " + str(deltaVertex) + " index0 " + str(surface_index_buf[0]))
if deltaVertex != 0:
var i: int = 0
var ilen: int = len(surface_index_buf)
while i < ilen:
surface_index_buf[i] -= deltaVertex
i += 1
if not pre2018_weights_buf.is_empty():
surface_arrays[ArrayMesh.ARRAY_WEIGHTS] = pre2018_weights_buf.slice(baseFirstVertex * 4, (vertexCount + baseFirstVertex) * 4)
surface_arrays[ArrayMesh.ARRAY_BONES] = pre2018_bones_buf.slice(baseFirstVertex * 4, (vertexCount + baseFirstVertex) * 4)
var compress_flags: int = 0
for array_idx in range(len(to_godot_mesh_channels)):
var godot_array_type = to_godot_mesh_channels[array_idx]
if godot_array_type == -1:
continue
var channel_info: Dictionary = channel_info_array[array_idx]
var stream: int = channel_info.get("stream", 0)
var offset: int = channel_info.get("offset", 0) + stream_offsets[stream] + baseFirstVertex * stream_strides[stream]
var format: int = channel_info.get("format", 0)
var dimension: int = channel_info.get("dimension", 4)
if dimension <= 0:
continue
match godot_array_type:
ArrayMesh.ARRAY_BONES:
if dimension == 8:
compress_flags |= ArrayMesh.ARRAY_FLAG_USE_8_BONE_WEIGHTS
log_debug("Do bones int")
surface_arrays[godot_array_type] = vertex_buf.formatted_int_subarray(format, offset, dimension * vertexCount, stream_strides[stream], dimension)
ArrayMesh.ARRAY_WEIGHTS:
log_debug("Do weights int")
surface_arrays[godot_array_type] = vertex_buf.formatted_float_subarray(format, offset, dimension * vertexCount, stream_strides[stream], dimension)
ArrayMesh.ARRAY_VERTEX, ArrayMesh.ARRAY_NORMAL:
log_debug("Do vertex or normal vec3 " + str(godot_array_type) + " " + str(format))
surface_arrays[godot_array_type] = vertex_buf.formatted_vector3_subarray(Vector3(-1, 1, 1), format, offset, vertexCount, stream_strides[stream], dimension)
ArrayMesh.ARRAY_TANGENT:
log_debug("Do tangent float " + str(godot_array_type) + " " + str(format))
surface_arrays[godot_array_type] = vertex_buf.formatted_tangent_subarray(format, offset, vertexCount, stream_strides[stream], dimension)
ArrayMesh.ARRAY_COLOR:
log_debug("Do color " + str(godot_array_type) + " " + str(format))
surface_arrays[godot_array_type] = vertex_buf.formatted_color_subarray(format, offset, vertexCount, stream_strides[stream], dimension)
ArrayMesh.ARRAY_TEX_UV, ArrayMesh.ARRAY_TEX_UV2:
log_debug("Do uv " + str(godot_array_type) + " " + str(format))
log_debug("Offset " + str(offset) + " = " + str(channel_info.get("offset", 0)) + "," + str(stream_offsets[stream]) + "," + str(baseFirstVertex) + "," + str(stream_strides[stream]) + "," + str(dimension))
surface_arrays[godot_array_type] = vertex_buf.formatted_vector2_subarray(format, offset, vertexCount, stream_strides[stream], dimension, true)
log_debug("triangle 0: " + str(surface_arrays[godot_array_type][surface_index_buf[0]]) + ";" + str(surface_arrays[godot_array_type][surface_index_buf[1]]) + ";" + str(surface_arrays[godot_array_type][surface_index_buf[2]]))
ArrayMesh.ARRAY_CUSTOM0, ArrayMesh.ARRAY_CUSTOM1, ArrayMesh.ARRAY_CUSTOM2, ArrayMesh.ARRAY_CUSTOM3:
pass # Custom channels are currently broken in Godot master:
ArrayMesh.ARRAY_MAX: # ARRAY_MAX is a placeholder to disable this
log_debug("Do custom " + str(godot_array_type) + " " + str(format))
var custom_shift = ((ArrayMesh.ARRAY_FORMAT_CUSTOM1_SHIFT - ArrayMesh.ARRAY_FORMAT_CUSTOM0_SHIFT) * (godot_array_type - ArrayMesh.ARRAY_CUSTOM0)) + ArrayMesh.ARRAY_FORMAT_CUSTOM0_SHIFT
if format == FORMAT_UNORM8 or format == FORMAT_SNORM8:
# assert(dimension == 4) # Unidot docs says always word aligned, so I think this means it is guaranteed to be 4.
surface_arrays[godot_array_type] = vertex_buf.formatted_uint8_subarray(format, offset, 4 * vertexCount, stream_strides[stream], 4)
compress_flags |= ((ArrayMesh.ARRAY_CUSTOM_RGBA8_UNORM if format == FORMAT_UNORM8 else ArrayMesh.ARRAY_CUSTOM_RGBA8_SNORM) << custom_shift)
elif format == FORMAT_FLOAT16:
assert(dimension == 2 or dimension == 4) # Unidot docs says always word aligned, so I think this means it is guaranteed to be 2 or 4.
surface_arrays[godot_array_type] = vertex_buf.formatted_uint8_subarray(format, offset, dimension * vertexCount * 2, stream_strides[stream], dimension * 2)
compress_flags |= ((ArrayMesh.ARRAY_CUSTOM_RG_HALF if dimension == 2 else ArrayMesh.ARRAY_CUSTOM_RGBA_HALF) << custom_shift)
# We could try to convert SNORM16 and UNORM16 to float16 but that sounds confusing and complicated.
else:
assert(dimension <= 4)
surface_arrays[godot_array_type] = vertex_buf.formatted_float_subarray(format, offset, dimension * vertexCount, stream_strides[stream], dimension)
compress_flags |= (ArrayMesh.ARRAY_CUSTOM_R_FLOAT + (dimension - 1)) << custom_shift
#firstVertex: 1302
#vertexCount: 38371
surface_arrays[ArrayMesh.ARRAY_INDEX] = surface_index_buf
var primitive_format: int = get_primitive_format(submesh)
#var f= FileAccess.open("temp.temp", FileAccess.WRITE)
#f.store_string(str(surface_arrays))
#f.flush()
#f = null
for i in range(ArrayMesh.ARRAY_MAX):
log_debug("Array " + str(i) + ": length=" + (str(len(surface_arrays[i])) if typeof(surface_arrays[i]) != TYPE_NIL else "NULL"))
log_debug("here are some flags " + str(compress_flags))
arr_mesh.add_surface_from_arrays(primitive_format, surface_arrays, [], {}, compress_flags)
# arr_mesh.set_custom_aabb(local_aabb)
arr_mesh.resource_name = self.name
return arr_mesh
var local_aabb: AABB:
get:
log_debug(str(typeof(keys.get("m_LocalAABB", {}).get("m_Center"))) + "/" + str(keys.get("m_LocalAABB", {}).get("m_Center")))
return AABB(keys.get("m_LocalAABB", {}).get("m_Center") * Vector3(-1, 1, 1), keys.get("m_LocalAABB", {}).get("m_Extent"))
var pre2018_skin: Array:
get:
var skin_vertices = keys.get("m_Skin", [])
var ret = [PackedFloat32Array(), PackedInt32Array()]
# FIXME: Godot bug with F32Array. ret[0].resize(len(skin_vertices) * 4)
ret[1].resize(len(skin_vertices) * 4)
var i = 0
for vert in skin_vertices:
ret[0].push_back(vert.get("weight[0]"))
ret[0].push_back(vert.get("weight[1]"))
ret[0].push_back(vert.get("weight[2]"))
ret[0].push_back(vert.get("weight[3]"))
#ret[0][i] = vert.get("weight[0]")
#ret[0][i + 1] = vert.get("weight[1]")
#ret[0][i + 2] = vert.get("weight[2]")
#ret[0][i + 3] = vert.get("weight[3]")
ret[1][i] = vert.get("boneIndex[0]")
ret[1][i + 1] = vert.get("boneIndex[1]")
ret[1][i + 2] = vert.get("boneIndex[2]")
ret[1][i + 3] = vert.get("boneIndex[3]")
i += 4
return ret
var submeshes: Array:
get:
return keys.get("m_SubMeshes", [])
var binds: Array:
get:
return keys.get("m_BindPose", [])
var vertex_layout_info: Dictionary:
get:
return keys.get("m_VertexData", {})
func get_godot_extension() -> String:
return ".mesh"
func get_vertex_data() -> RefCounted:
return aligned_byte_buffer.new(keys.get("m_VertexData", ""))
func get_index_data() -> RefCounted:
return aligned_byte_buffer.new(keys.get("m_IndexBuffer", ""))
class UnidotMaterial:
extends UnidotObject
# Old:
# m_Colors:
# - _EmissionColor: {r: 0, g: 0, b: 0, a: 0}
# - _Color: {r: 1, g: 1, b: 1, a: 1}
# [{_EmissionColor:Color.TRANSPARENT,_Color:Color.WHITE}]
# New:
# m_Colors:
# data:
# first:
# name: _EmissionColor
# second: {r: 0, g: 0, b: 0, a: 0}
# data:
# first:
# name: _Color
# second: {r: 1, g: 1, b: 1, a: 1}
# ...
# [{first:{name:_EmissionColor},second:Color.TRANSPARENT},{first:{name:_Color},second:Color.WHITE}]
func get_float_properties() -> Dictionary:
var flts = keys.get("m_SavedProperties", {}).get("m_Floats", [])
var ret = {}.duplicate()
# log_debug("material floats: " + str(flts))
for dic in flts:
if len(dic) == 2 and dic.has("first") and dic.has("second"):
ret[dic["first"]["name"]] = dic["second"]
else:
for key in dic:
ret[key] = dic.get(key)
return ret
func get_color_properties() -> Dictionary:
var cols = keys.get("m_SavedProperties", {}).get("m_Colors", [])
var ret = {}.duplicate()
for dic in cols:
if len(dic) == 2 and dic.has("first") and dic.has("second"):
ret[dic["first"]["name"]] = dic["second"]
else:
for key in dic:
ret[key] = dic.get(key)
return ret
func get_tex_properties() -> Dictionary:
var texs = keys.get("m_SavedProperties", {}).get("m_TexEnvs", [])
var ret = {}.duplicate()
for dic in texs:
if len(dic) == 2 and dic.has("first") and dic.has("second"):
ret[dic["first"]["name"]] = dic["second"]
else:
for key in dic:
ret[key] = dic.get(key)
return ret
func get_texture_ref(texProperties: Dictionary, name: String) -> Array:
var env = texProperties.get(name, {})
return env.get("m_Texture", [null, 0, "", 0])
func get_texture(texProperties: Dictionary, name: String) -> Texture:
var texref: Array = get_texture_ref(texProperties, name)
if not texref.is_empty():
return meta.get_godot_resource(texref)
return null
func get_texture_scale(texProperties: Dictionary, name: String) -> Vector3:
var env = texProperties.get(name, {})
var scale: Vector2 = env.get("m_Scale", Vector2(1, 1))
return Vector3(scale.x, scale.y, 0.0)
func get_texture_offset(texProperties: Dictionary, name: String) -> Vector3:
var env = texProperties.get(name, {})
var offset: Vector2 = env.get("m_Offset", Vector2(0, 0))
return Vector3(offset.x, offset.y, 0.0)
func get_color(colorProperties: Dictionary, name: String, dfl: Color) -> Color:
var col: Color = colorProperties.get(name, dfl)
return col
func get_float(floatProperties: Dictionary, name: String, dfl: float) -> float:
var ret: float = floatProperties.get(name, dfl)
return ret
func get_vector_from_color(colorProperties: Dictionary, name: String, dfl: Color) -> Plane:
var col: Color = colorProperties.get(name, dfl)
return Plane(Vector3(col.r, col.g, col.b), col.a)
func get_keywords() -> Dictionary:
var ret: Dictionary = {}.duplicate()
var kwd = keys.get("m_ShaderKeywords", "")
if typeof(kwd) == TYPE_STRING:
for x in kwd.split(" "):
ret[x] = true
var validkws: Array = keys.get("m_ValidKeywords", [])
for x in validkws:
ret[str(x)] = true
var invalidkws: Array = keys.get("m_InvalidKeywords", [])
for x in invalidkws:
# Keywords from before the material was switched to another shader.
# Since we don't parse shaders, this will sometimes give the equivalent Standard shader keywords.
ret[str(x)] = true
return ret
func get_godot_type() -> String:
return "StandardMaterial3D"
func create_godot_resource() -> Resource: #Material:
#log_debug("keys: " + str(keys))
var kws = get_keywords()
var floatProperties = get_float_properties()
#log_debug(str(floatProperties))
var texProperties = get_tex_properties()
#log_debug(str(texProperties))
var colorProperties = get_color_properties()
#log_debug(str(colorProperties))
var ret = StandardMaterial3D.new()
ret.resource_name = self.name
# FIXME: Kinda hacky since transparent stuff doesn't always draw depth in Unidot
# But it seems to workaround a problem with some materials for now.
ret.depth_draw_mode = true ##### BaseMaterial3D.DEPTH_DRAW_ALWAYS
ret.albedo_color = get_color(colorProperties, "_Color", Color.WHITE)
var albedo_textures_to_try = ["_MainTex", "_Tex", "_Albedo", "_Diffuse", "_BaseColor", "_BaseColorMap"]
for name in texProperties:
if albedo_textures_to_try.has(name):
continue
if not name.ends_with("Map"):
albedo_textures_to_try.append(name)
# Pick a random non-null texture property as albedo. Prefer texture slots not ending with "Map"
for name in texProperties:
if name == "_BumpMap" or name == "_OcclusionMap" or name == "_MetallicGlossMap" or name == "_ParallaxMap":
continue
if name.ends_with("ColorMap") or name.ends_with("BaseMap"):
albedo_textures_to_try.append(name)
for name in albedo_textures_to_try:
var env = texProperties.get(name, {})
var texref: Array = env.get("m_Texture", [null, 0, "", 0])
if not texref.is_empty():
ret.albedo_texture = meta.get_godot_resource(texref)
if ret.albedo_texture != null:
log_debug("Trying to get albedo from " + str(name) + ": " + str(ret.albedo_texture))
ret.uv1_scale = get_texture_scale(texProperties, name)
ret.uv1_offset = get_texture_offset(texProperties, name)
break
if ret.albedo_texture == null:
ret.uv1_scale = get_texture_scale(texProperties, "_MainTex")
ret.uv1_offset = get_texture_offset(texProperties, "_MainTex")
# TODO: ORM not yet implemented.
if true: # kws.get("_NORMALMAP", false):
ret.normal_texture = get_texture(texProperties, "_BumpMap")
ret.normal_scale = get_float(floatProperties, "_BumpScale", 1.0)
if ret.normal_texture != null:
ret.normal_enabled = true
if kws.get("_EMISSION", false):
var emis_vec: Plane = get_vector_from_color(colorProperties, "_EmissionColor", Color.BLACK)
var emis_mag = max(emis_vec.x, max(emis_vec.y, emis_vec.z))
ret.emission = Color.BLACK
if emis_mag > 0.01:
ret.emission_enabled = true
ret.emission = Color(emis_vec.x / emis_mag, emis_vec.y / emis_mag, emis_vec.z / emis_mag).linear_to_srgb()
ret.emission_energy = emis_mag
ret.emission_texture = get_texture(texProperties, "_EmissionMap")
if ret.emission_texture != null:
ret.emission_operator = BaseMaterial3D.EMISSION_OP_MULTIPLY
if true: # kws.get("_PARALLAXMAP", false):
ret.heightmap_texture = get_texture(texProperties, "_ParallaxMap")
if ret.heightmap_texture != null:
ret.heightmap_enabled = true
# Godot generated standard shader code looks something like this:
# float depth = 1.0 - texture(texture_heightmap, base_uv).r;
# vec2 ofs = base_uv - view_dir.xy * depth * heightmap_scale * 0.01;
# ------
# Note in particular the * 0.01 multiplier.
# Unfortunately, Godot does not have a heightmap bias setting (such as 0.5)
# Therefore, it is not possible to represent a heightmap completely accurately
# And we must pick a direction: positive or negative. In this case I choose negative.
# Which causes the heightmap to "pop out" of the surface.
ret.heightmap_scale = -100.0 * get_float(floatProperties, "_Parallax", 1.0)
if kws.get("_SPECULARHIGHLIGHTS_OFF", false):
ret.specular_mode = BaseMaterial3D.SPECULAR_DISABLED
if kws.get("_GLOSSYREFLECTIONS_OFF", false):
pass
if kws.get("_DOUBLESIDED_ON", false): # HDRP-compatible materials should set this.
ret.cull_mode = BaseMaterial3D.CULL_DISABLED
var occlusion = get_texture(texProperties, "_OcclusionMap")
if occlusion != null:
ret.ao_enabled = true
ret.ao_texture = occlusion
ret.ao_light_affect = get_float(floatProperties, "_OcclusionStrength", 1.0) # why godot defaults to 0???
ret.ao_texture_channel = BaseMaterial3D.TEXTURE_CHANNEL_GREEN
var metallic_texture: Texture = null
var use_glossmap := false
if true: # kws.get("_METALLICGLOSSMAP"):
var metallic_gloss_texture_ref: Array = get_texture_ref(texProperties, "_MetallicGlossMap")
if metallic_gloss_texture_ref.is_empty() or metallic_gloss_texture_ref[1] == 0:
metallic_gloss_texture_ref = get_texture_ref(texProperties, "_MetallicSmoothness")
if not metallic_gloss_texture_ref.is_empty() and metallic_gloss_texture_ref[1] != 0:
metallic_gloss_texture_ref[1] = -metallic_gloss_texture_ref[1]
if not is_equal_approx(get_float(floatProperties, "_GlossMapScale", 1.0), 0.0):
metallic_texture = meta.get_godot_resource(metallic_gloss_texture_ref, false)
log_debug("Found metallic roughness texture " + str(metallic_gloss_texture_ref) + " => " + str(metallic_texture))
use_glossmap = true
if metallic_texture == null:
if use_glossmap:
log_debug("Load roughness " + str(load("res://Assets/ArchVizPRO Interior Vol.6/3D MATERIAL/Tiles_White/Tiles_White_metallic.roughness.png")))
log_warn("Unable to load metallic roughness texture. Trying metallic gloss.", "_MetallicGlossMap", metallic_gloss_texture_ref)
metallic_gloss_texture_ref[1] = -metallic_gloss_texture_ref[1]
metallic_texture = meta.get_godot_resource(metallic_gloss_texture_ref)
log_debug("Found metallic gloss texture " + str(metallic_gloss_texture_ref) + " => " + str(metallic_texture))
use_glossmap = false
ret.metallic_texture = metallic_texture
ret.metallic = get_float(floatProperties, "_Metallic", 0.0)
ret.metallic_texture_channel = BaseMaterial3D.TEXTURE_CHANNEL_RED
if use_glossmap:
ret.roughness_texture = metallic_texture
ret.roughness_texture_channel = BaseMaterial3D.TEXTURE_CHANNEL_ALPHA
ret.roughness = 1.0 # We scaled down the roughness in code.
# TODO: Glossiness: invert color channels??
if metallic_texture == null:
# UnidotStandardInput.cginc ignores _Glossiness if _METALLICGLOSSMAP.
ret.roughness = 1.0 - get_float(floatProperties, "_Glossiness", 0.0)
if kws.get("_ALPHATEST_ON"):
ret.transparency = BaseMaterial3D.TRANSPARENCY_ALPHA_SCISSOR
var cutoff: float = get_float(floatProperties, "_Cutoff", 0.0)
if cutoff > 0.0:
ret.alpha_scissor_threshold = cutoff
elif kws.get("_ALPHABLEND_ON") or kws.get("_ALPHAPREMULTIPLY_ON"):
# FIXME: No premultiply
ret.transparency = BaseMaterial3D.TRANSPARENCY_ALPHA
# Godot's detail map is a bit lacking right now...
#if kws.get("_DETAIL_MULX2"):
# ret.detail_enabled = true
# ret.detail_blend_mode = BaseMaterial3D.BLEND_MODE_MUL
assign_object_meta(ret)
return ret
func bake_roughness_texture_if_needed(tmp_path: String, guid_to_pkgasset: Dictionary, stage2_dict_lock: Mutex, stage2_extra_asset_dict: Dictionary) -> String:
var kws = get_keywords()
var floatProperties = get_float_properties()
var texProperties = get_tex_properties()
# Note that this must be pre-baked into the texture to bring it towards 1.
# _GlossMapScale ????
var glossiness_value: float = get_float(floatProperties, "_GlossMapScale", 1.0)
if is_equal_approx(glossiness_value, 0.0):
log_debug("Material has 0 _GlossMapScale")
return "" # We can ignore the texture
var metallic_gloss_texture_ref: Array = get_texture_ref(texProperties, "_MetallicGlossMap")
if metallic_gloss_texture_ref.is_empty() or metallic_gloss_texture_ref[1] == 0:
metallic_gloss_texture_ref = get_texture_ref(texProperties, "_MetallicSmoothness")
# Not any more: Material has _METALLICGLOSSMAP enabled.
if metallic_gloss_texture_ref.is_empty() or metallic_gloss_texture_ref[1] == 0:
log_debug("Material has null _MetallicGlossMap")
# null gloss: no roughness to bake
return ""
log_debug("gloss map ref is " + str(metallic_gloss_texture_ref))
#var metallic_gloss_texture = get_texture(texProperties, "_MetallicGlossMap")
var target_meta: Object
if not metallic_gloss_texture_ref.is_empty() and guid_to_pkgasset.has(metallic_gloss_texture_ref[2]):
target_meta = guid_to_pkgasset[metallic_gloss_texture_ref[2]].parsed_meta
else:
target_meta = meta.lookup_meta(metallic_gloss_texture_ref)
if target_meta == null:
log_warn("Failed to lookup gloss texture ref", "_MetallicGlossMap", metallic_gloss_texture_ref)
return ""
target_meta.mutex.lock()
var pathname: String = target_meta.path
var roughness_filename = pathname.get_basename() + ".roughness.png"
# Sometimes multiple materials reference the same roughness texture. We to avoid generating the same texture multiple times.
stage2_dict_lock.lock()
if stage2_extra_asset_dict.has(roughness_filename):
stage2_dict_lock.unlock()
target_meta.mutex.unlock()
return ""
stage2_extra_asset_dict[roughness_filename] = true
stage2_dict_lock.unlock()
var ret: String = _bake_roughness_texture_locked(tmp_path, target_meta, roughness_filename, glossiness_value, guid_to_pkgasset)
target_meta.mutex.unlock()
return ret
func _bake_roughness_texture_locked(tmp_path: String, target_meta: Object, roughness_filename: String, glossiness_value: float, guid_to_pkgasset: Dictionary) -> String:
var pathname: String = target_meta.path
if FileAccess.file_exists(roughness_filename):
var fa := FileAccess.open(roughness_filename, FileAccess.READ)
if fa != null:
if fa.get_length() > 0:
if not target_meta.godot_resources.has(-target_meta.main_object_id):
target_meta.insert_resource_path(-target_meta.main_object_id, "res://" + roughness_filename)
log_debug("Roughness texture already exists. Modified " + str(target_meta.guid) + "/" + str(target_meta.path) + " godot_resources: " + str(target_meta.godot_resources))
return "" # Nothing new to import.
var image: Image
if FileAccess.file_exists(tmp_path + "/" + pathname):
image = Image.load_from_file(tmp_path + "/" + pathname)