class ClassDB:
_instance = lib.godot_global_get_singleton(b"ClassDB")
_meth_instance = lib.godot_method_bind_get_method(b"_ClassDB", b"instance")
_meth_get_class_list = lib.godot_method_bind_get_method(
b"_ClassDB", b"get_class_list")
_meth_get_method_list = lib.godot_method_bind_get_method(
b"_ClassDB", b"class_get_method_list")
_meth_get_parent_class = lib.godot_method_bind_get_method(
b"_ClassDB", b"get_parent_class")
_meth_get_property_list = lib.godot_method_bind_get_method(
b"_ClassDB", b"class_get_property_list")
_meth_get_property = lib.godot_method_bind_get_method(
b"_ClassDB", b"class_get_property")
_meth_set_property = lib.godot_method_bind_get_method(
b"_ClassDB", b"class_set_property")
_meth_get_integer_constant_list = lib.godot_method_bind_get_method(
b"_ClassDB", b"class_get_integer_constant_list")
_meth_get_integer_constant = lib.godot_method_bind_get_method(
b"_ClassDB", b"class_get_integer_constant")
@classmethod
def get_class_list(cls):
ret = godot_pool_string_array_alloc()
lib.godot_method_bind_ptrcall(cls._meth_get_class_list, cls._instance,
ffi.NULL, ret)
# Convert Godot return into Python civilized stuff
unordered = []
for i in range(lib.godot_pool_string_array_size(ret)):
godot_str = lib.godot_pool_string_array_get(ret, i)
raw_str = lib.godot_string_wide_str(ffi.addressof(godot_str))
unordered.append(ffi.string(raw_str))
# Order class to have a parent defined before their children
classes = []
while len(unordered) != len(classes):
for classname in unordered:
parentname = cls.get_parent_class(classname)
if not parentname or parentname in classes:
if classname not in classes:
classes.append(classname)
return classes
@classmethod
def get_class_constructor(cls, classname):
def constructor(self):
gd_classname = godot_string_from_pyobj(classname)
# TODO: alloc this on the stack (using _malloca ?)
args = ffi.new("void*[]", [gd_classname])
ret = godot_variant_alloc()
lib.godot_method_bind_ptrcall(cls._meth_instance, cls._instance,
args, ret)
objret = lib.godot_variant_as_object(ret)
# Quick'n dirty fix to prevent Ressource objects from beeing automatically
# freed when the variant is destroyed given it holds the only ref on it
self._gd_var = ret
return objret
return constructor
@classmethod
def get_class_methods(cls, classname):
methods = []
ret = godot_array_alloc()
lib.godot_array_new(ret)
gd_classname = godot_string_from_pyobj(classname)
gd_true = godot_bool_alloc(True)
args = ffi.new("void*[2]", [gd_classname, gd_true])
# 2nd arg should be false, which is what we get by not initializing it
lib.godot_method_bind_ptrcall(cls._meth_get_method_list, cls._instance,
args, ret)
for i in range(lib.godot_array_size(ret)):
var = lib.godot_array_get(ret, i)
gddict = lib.godot_variant_as_dictionary(ffi.addressof(var))
methdict = Dictionary.build_from_gdobj(gddict)
methods.append(methdict)
return methods
@classmethod
def build_property_getset(cls, prop):
propname = prop['name']
gd_propname = godot_string_from_pyobj(propname)
def getter(self):
ret = godot_variant_alloc()
lib.godot_variant_new_nil(ret)
args = ffi.new("void*[]", [self._gd_ptr, gd_propname])
lib.godot_method_bind_ptrcall(cls._meth_get_property,
cls._instance, args, ret)
return variant_to_pyobj(ret)
def setter(self, value):
gd_value = pyobj_to_variant(value)
args = ffi.new("void*[]", [self._gd_ptr, gd_propname, gd_value])
ret = godot_variant_alloc()
lib.godot_variant_new_nil(ret)
lib.godot_method_bind_ptrcall(cls._meth_set_property,
cls._instance, args, ret)
return variant_to_pyobj(ret)
return getter, setter
@classmethod
def get_class_properties(cls, classname):
properties = []
ret = godot_array_alloc()
lib.godot_array_new(ret)
gd_classname = godot_string_from_pyobj(classname)
gd_true = godot_bool_alloc(True)
args = ffi.new("void*[2]", [gd_classname, gd_true])
# 2nd arg should be false, which what we get by not initializing it
lib.godot_method_bind_ptrcall(cls._meth_get_property_list,
cls._instance, args, ret)
for i in range(lib.godot_array_size(ret)):
var = lib.godot_array_get(ret, i)
gddict = lib.godot_variant_as_dictionary(ffi.addressof(var))
propdict = Dictionary.build_from_gdobj(gddict)
properties.append(propdict)
return properties
@classmethod
def get_class_consts(cls, classname):
consts = []
ret = godot_pool_string_array_alloc()
lib.godot_pool_string_array_new(ret)
gd_classname = godot_string_from_pyobj(classname)
gd_true = godot_bool_alloc(True)
args = ffi.new("void*[2]", [gd_classname, gd_true])
# 2nd arg should be false, which what we get by not initializing it
lib.godot_method_bind_ptrcall(cls._meth_get_integer_constant_list,
cls._instance, args, ret)
for i in range(lib.godot_pool_string_array_size(ret)):
godot_str = lib.godot_pool_string_array_get(ret, i)
raw_str = lib.godot_string_wide_str(ffi.addressof(godot_str))
consts.append(ffi.string(raw_str))
return consts
@classmethod
def get_integer_constant(cls, classname, constname):
ret = godot_int_alloc()
gd_classname = godot_string_from_pyobj(classname)
gd_constname = godot_string_from_pyobj(constname)
args = ffi.new("void*[2]", [gd_classname, gd_constname])
# 2nd arg should be false, which what we get by not initializing it
lib.godot_method_bind_ptrcall(cls._meth_get_integer_constant,
cls._instance, args, ret)
return int(ret[0])
@classmethod
def get_parent_class(cls, classname):
ret = godot_string_alloc()
lib.godot_string_new(ret)
gd_classname = godot_string_from_pyobj(classname)
args = ffi.new("godot_string**", gd_classname)
lib.godot_method_bind_ptrcall(cls._meth_get_parent_class,
cls._instance, ffi.cast("void**",
args), ret)
raw_str = lib.godot_string_wide_str(ret)
return ffi.string(raw_str)
def build_global(godot_bindings_module, name, clsname):
return getattr(godot_bindings_module,
clsname)(lib.godot_global_get_singleton(name.encode()))