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Allow booleanization of all types

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We now allow booleanization of all types. This means that empty versions
of all types now evaluate to false. So a Vector2(0,0), Dictionary(),
etc.

This allows you to write GDScript like:
if not Dictionary():
  print("Empty dict")

Booleanization can now also no longer fail. There is no more valid flag,
this changes Variant and GDNative API.
This commit is contained in:
Hein-Pieter van Braam
2017-09-18 20:02:47 +02:00
parent 85641c545b
commit 833c3917b2
6 changed files with 20 additions and 105 deletions
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2
modules/gdnative/include/gdnative_api_struct.h
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@@ -534,7 +534,7 @@ extern "C" {
GDAPI_FUNC(godot_variant_operator_equal, godot_bool, const godot_variant *p_self, const godot_variant *p_other) \
GDAPI_FUNC(godot_variant_operator_less, godot_bool, const godot_variant *p_self, const godot_variant *p_other) \
GDAPI_FUNC(godot_variant_hash_compare, godot_bool, const godot_variant *p_self, const godot_variant *p_other) \
GDAPI_FUNC(godot_variant_booleanize, godot_bool, const godot_variant *p_self, godot_bool *r_valid) \
GDAPI_FUNC(godot_variant_booleanize, godot_bool, const godot_variant *p_self) \
GDAPI_FUNC_VOID(godot_variant_destroy, godot_variant *p_self) \
GDAPI_FUNC_VOID(godot_string_new, godot_string *r_dest) \
GDAPI_FUNC_VOID(godot_string_new_copy, godot_string *r_dest, const godot_string *p_src) \