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class_name FileAccessUtils
static func read_vec2(file : FileAccess) -> Vector2:
return Vector2(file.get_float(), file.get_float())
static func read_vec3(file : FileAccess) -> Vector3:
return Vector3(file.get_float(), file.get_float(), file.get_float())
static func read_pos(file : FileAccess) -> Vector3:
var pos : Vector3 = read_vec3(file)
pos.x = -pos.x
return pos
static func read_vec4(file : FileAccess) -> Vector4:
return Vector4(file.get_float(), file.get_float(), file.get_float(), file.get_float())
# Because paradox may or may not be consistent with the xsm spec depending on if its Tuesday or not
static func read_quat(file : FileAccess, int16 : bool = false) -> Quaternion:
if int16:
return Quaternion(read_f16(file), -read_f16(file), -read_f16(file), read_f16(file))
else:
return Quaternion(file.get_float(), -file.get_float(), -file.get_float(), file.get_float())
static func read_f16(file : FileAccess) -> float:
# 32767 or 0x7FFF is the max magnitude of a signed int16
return float(read_int16(file)) / 32767.0
static func replace_chars(string : String) -> String:
return string.replace(":", "_").replace("\\", "_").replace("/", "_")
static func read_xac_str(file : FileAccess) -> String:
var length : int = file.get_32()
var buffer : PackedByteArray = file.get_buffer(length)
return buffer.get_string_from_ascii()
static func read_int32(file : FileAccess) -> int:
var bytes : int = file.get_32()
var negative : bool = bytes >> 31
var val : int = bytes & 0x7FFFFFFF
if negative:
val = -((val ^ 0x7FFFFFFF) + 1)
return val
static func read_int16(file : FileAccess) -> int:
var bytes : int = file.get_16()
var negative : bool = bytes >> 15
var val : int = bytes & 0x7FFF
if negative:
val = -((val ^ 0x7FFF) + 1)
return val
static func read_Color32(file : FileAccess) -> Color:
return Color8(file.get_8(), file.get_8(), file.get_8(), file.get_8())
static func read_Color128(file : FileAccess) -> Color:
return Color(
file.get_32() / 0xFFFFFFFF,
file.get_32() / 0xFFFFFFFF,
file.get_32() / 0xFFFFFFFF,
file.get_32() / 0xFFFFFFFF
)
static func read_mat4x4(file : FileAccess) -> xac_mat4x4:
return xac_mat4x4.new(read_vec4(file), read_vec4(file), read_vec4(file), read_vec4(file))
# This datatype is only ever used to hold a transform for nodes (bones)
class xac_mat4x4:
var col1 : Vector4
var col2 : Vector4
var col3 : Vector4
var col4 : Vector4
func _init(col1 : Vector4, col2 : Vector4, col3 : Vector4, col4 : Vector4) -> void:
self.col1 = col1
self.col2 = col2
self.col3 = col3
self.col4 = col4
func debugPrint() -> void:
print("\t\tMat4x4 col1:", col1, " col2:", col2, " col3:", col3, " col4:", col4)
func getAsTransform() -> Transform3D: # godot wants 3x4 matrix
return Transform3D(
Vector3(col1.x, col1.y, col1.z),
Vector3(col2.x, col2.y, col2.z),
Vector3(col3.x, col3.y, col3.z),
Vector3(col4.x, col4.y, col4.z)
)
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