-
-
Notifications
You must be signed in to change notification settings - Fork 620
/
Copy pathwrapped.hpp
387 lines (365 loc) · 43.5 KB
/
wrapped.hpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
/*************************************************************************/
/* wrapped.hpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef GODOT_CPP_WRAPPED_HPP
#define GODOT_CPP_WRAPPED_HPP
#include <godot_cpp/core/memory.hpp>
#include <godot_cpp/core/property_info.hpp>
#include <godot_cpp/templates/list.hpp>
#include <godot_cpp/godot.hpp>
namespace godot {
typedef void GodotObject;
// Base for all engine classes, to contain the pointer to the engine instance.
class Wrapped {
friend class GDExtensionBinding;
friend void postinitialize_handler(Wrapped *);
protected:
virtual const char *_get_extension_class() const; // This is needed to retrieve the class name before the godot object has its _extension and _extension_instance members assigned.
virtual const GDNativeInstanceBindingCallbacks *_get_bindings_callbacks() const = 0;
void _notification(int p_what){};
bool _set(const StringName &p_name, const Variant &p_property) { return false; };
bool _get(const StringName &p_name, Variant &r_property) const { return false; };
void _get_property_list(List<PropertyInfo> *p_list) const {};
bool _property_can_revert(const StringName &p_name) const { return false; };
bool _property_get_revert(const StringName &p_name, Variant &r_property) const { return false; };
String _to_string() const { return "[" + String(get_class_static()) + ":" + itos(get_instance_id()) + "]"; }
static void notification_bind(GDExtensionClassInstancePtr p_instance, int32_t p_what) {}
static GDNativeBool set_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, const GDNativeVariantPtr p_value) { return false; }
static GDNativeBool get_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, GDNativeVariantPtr r_ret) { return false; }
static const GDNativePropertyInfo *get_property_list_bind(GDExtensionClassInstancePtr p_instance, uint32_t *r_count) { return nullptr; }
static void free_property_list_bind(GDExtensionClassInstancePtr p_instance, const GDNativePropertyInfo *p_list) {}
static GDNativeBool property_can_revert_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name) { return false; }
static GDNativeBool property_get_revert_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, GDNativeVariantPtr r_ret) { return false; }
static void to_string_bind(GDExtensionClassInstancePtr p_instance, GDNativeStringPtr r_out) {}
GDNativePropertyInfo *plist = nullptr;
uint32_t plist_size = 0;
void _postinitialize();
Wrapped(const char *p_godot_class);
Wrapped(GodotObject *p_godot_object);
public:
static const char *get_class_static() {
return "Wrapped";
}
uint64_t get_instance_id() const {
return 0;
}
static _FORCE_INLINE_ char *_alloc_and_copy_cstr(const char *p_str) {
size_t size = strlen(p_str) + 1;
char *ret = reinterpret_cast<char *>(memalloc(size));
memcpy(ret, p_str, size);
return ret;
}
// Must be public but you should not touch this.
GodotObject *_owner = nullptr;
};
} // namespace godot
#define GDCLASS(m_class, m_inherits) \
private: \
void operator=(const m_class &p_rval) {} \
friend class ::godot::ClassDB; \
\
protected: \
virtual const char *_get_extension_class() const override { \
return get_class_static(); \
} \
\
virtual const GDNativeInstanceBindingCallbacks *_get_bindings_callbacks() const override { \
return &___binding_callbacks; \
} \
\
static void (*_get_bind_methods())() { \
return &m_class::_bind_methods; \
} \
\
static void (::godot::Wrapped::*_get_notification())(int) { \
return (void(::godot::Wrapped::*)(int)) & m_class::_notification; \
} \
\
static bool (::godot::Wrapped::*_get_set())(const ::godot::StringName &p_name, const ::godot::Variant &p_property) { \
return (bool(::godot::Wrapped::*)(const ::godot::StringName &p_name, const ::godot::Variant &p_property)) & m_class::_set; \
} \
\
static bool (::godot::Wrapped::*_get_get())(const ::godot::StringName &p_name, ::godot::Variant &r_ret) const { \
return (bool(::godot::Wrapped::*)(const ::godot::StringName &p_name, ::godot::Variant &r_ret) const) & m_class::_get; \
} \
\
static void (::godot::Wrapped::*_get_get_property_list())(::godot::List<::godot::PropertyInfo> * p_list) const { \
return (void(::godot::Wrapped::*)(::godot::List<::godot::PropertyInfo> * p_list) const) & m_class::_get_property_list; \
} \
\
static bool (::godot::Wrapped::*_get_property_can_revert())(const ::godot::StringName &p_name) { \
return (bool(::godot::Wrapped::*)(const ::godot::StringName &p_name)) & m_class::_property_can_revert; \
} \
\
static bool (::godot::Wrapped::*_get_property_get_revert())(const ::godot::StringName &p_name, ::godot::Variant &) { \
return (bool(::godot::Wrapped::*)(const ::godot::StringName &p_name, ::godot::Variant &)) & m_class::_property_get_revert; \
} \
\
static ::godot::String (::godot::Wrapped::*_get_to_string())() { \
return (::godot::String(::godot::Wrapped::*)()) & m_class::_to_string; \
} \
\
template <class T, class B> \
static void register_virtuals() { \
m_inherits::register_virtuals<T, B>(); \
} \
\
public: \
static void initialize_class() { \
static bool initialized = false; \
if (initialized) { \
return; \
} \
m_inherits::initialize_class(); \
if (m_class::_get_bind_methods() != m_inherits::_get_bind_methods()) { \
_bind_methods(); \
m_inherits::register_virtuals<m_class, m_inherits>(); \
} \
initialized = true; \
} \
\
static const char *get_class_static() { \
return #m_class; \
} \
\
static const char *get_parent_class_static() { \
return m_inherits::get_class_static(); \
} \
\
static GDNativeObjectPtr create(void *data) { \
m_class *new_object = memnew(m_class); \
return new_object->_owner; \
} \
\
static void notification_bind(GDExtensionClassInstancePtr p_instance, int32_t p_what) { \
if (p_instance && m_class::_get_notification()) { \
if (m_class::_get_notification() != m_inherits::_get_notification()) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
return cls->_notification(p_what); \
} \
m_inherits::notification_bind(p_instance, p_what); \
} \
} \
\
static GDNativeBool set_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, const GDNativeVariantPtr p_value) { \
if (p_instance && m_class::_get_set()) { \
if (m_class::_get_set() != m_inherits::_get_set()) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
return cls->_set(*reinterpret_cast<const ::godot::StringName *>(p_name), *reinterpret_cast<const ::godot::Variant *>(p_value)); \
} \
return m_inherits::set_bind(p_instance, p_name, p_value); \
} \
return false; \
} \
\
static GDNativeBool get_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, GDNativeVariantPtr r_ret) { \
if (p_instance && m_class::_get_get()) { \
if (m_class::_get_get() != m_inherits::_get_get()) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
return cls->_get(*reinterpret_cast<const ::godot::StringName *>(p_name), *reinterpret_cast<::godot::Variant *>(r_ret)); \
} \
return m_inherits::get_bind(p_instance, p_name, r_ret); \
} \
return false; \
} \
\
static const GDNativePropertyInfo *get_property_list_bind(GDExtensionClassInstancePtr p_instance, uint32_t *r_count) { \
if (p_instance && m_class::_get_get_property_list()) { \
if (m_class::_get_get_property_list() != m_inherits::_get_get_property_list()) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
::godot::List<::godot::PropertyInfo> list; \
cls->_get_property_list(&list); \
ERR_FAIL_COND_V_MSG(cls->plist != nullptr || cls->plist_size != 0, nullptr, "Internal error, property list was not freed by engine!"); \
cls->plist = reinterpret_cast<GDNativePropertyInfo *>(memalloc(sizeof(GDNativePropertyInfo) * list.size())); \
cls->plist_size = 0; \
for (const ::godot::PropertyInfo &E : list) { \
cls->plist[cls->plist_size].type = E.type; \
cls->plist[cls->plist_size].name = _alloc_and_copy_cstr(E.name.utf8().get_data()); \
cls->plist[cls->plist_size].hint = E.hint; \
cls->plist[cls->plist_size].hint_string = _alloc_and_copy_cstr(E.hint_string.utf8().get_data()); \
cls->plist[cls->plist_size].class_name = _alloc_and_copy_cstr(E.class_name.utf8().get_data()); \
cls->plist[cls->plist_size].usage = E.usage; \
cls->plist_size++; \
} \
if (r_count) \
*r_count = cls->plist_size; \
return cls->plist; \
} \
return m_inherits::get_property_list_bind(p_instance, r_count); \
} \
return nullptr; \
} \
\
static void free_property_list_bind(GDExtensionClassInstancePtr p_instance, const GDNativePropertyInfo *p_list) { \
if (p_instance) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
ERR_FAIL_COND_MSG(cls->plist == nullptr, "Internal error, property list double free!"); \
for (size_t i = 0; i < cls->plist_size; i++) { \
memfree(const_cast<char *>(cls->plist[i].name)); \
memfree(const_cast<char *>(cls->plist[i].class_name)); \
memfree(const_cast<char *>(cls->plist[i].hint_string)); \
} \
memfree(cls->plist); \
cls->plist = nullptr; \
cls->plist_size = 0; \
} \
} \
\
static GDNativeBool property_can_revert_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name) { \
if (p_instance && m_class::_get_property_can_revert()) { \
if (m_class::_get_property_can_revert() != m_inherits::_get_property_can_revert()) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
return cls->_property_can_revert(*reinterpret_cast<const ::godot::StringName *>(p_name)); \
} \
return m_inherits::property_can_revert_bind(p_instance, p_name); \
} \
return false; \
} \
\
static GDNativeBool property_get_revert_bind(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, GDNativeVariantPtr r_ret) { \
if (p_instance && m_class::_get_property_get_revert()) { \
if (m_class::_get_property_get_revert() != m_inherits::_get_property_get_revert()) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
return cls->_property_get_revert(*reinterpret_cast<const ::godot::StringName *>(p_name), *reinterpret_cast<::godot::Variant *>(r_ret)); \
} \
return m_inherits::property_get_revert_bind(p_instance, p_name, r_ret); \
} \
return false; \
} \
\
static void to_string_bind(GDExtensionClassInstancePtr p_instance, GDNativeStringPtr r_out) { \
if (p_instance && m_class::_get_to_string()) { \
if (m_class::_get_to_string() != m_inherits::_get_to_string()) { \
m_class *cls = reinterpret_cast<m_class *>(p_instance); \
*reinterpret_cast<::godot::String *>(r_out) = cls->_to_string(); \
return; \
} \
m_inherits::to_string_bind(p_instance, r_out); \
} \
} \
\
static void free(void *data, GDExtensionClassInstancePtr ptr) { \
if (ptr) { \
m_class *cls = reinterpret_cast<m_class *>(ptr); \
cls->~m_class(); \
::godot::Memory::free_static(cls); \
} \
} \
\
static void *___binding_create_callback(void *p_token, void *p_instance) { \
return nullptr; \
} \
\
static void ___binding_free_callback(void *p_token, void *p_instance, void *p_binding) { \
} \
\
static GDNativeBool ___binding_reference_callback(void *p_token, void *p_instance, GDNativeBool p_reference) { \
return true; \
} \
\
static constexpr GDNativeInstanceBindingCallbacks ___binding_callbacks = { \
___binding_create_callback, \
___binding_free_callback, \
___binding_reference_callback, \
};
// Don't use this for your classes, use GDCLASS() instead.
#define GDNATIVE_CLASS(m_class, m_inherits) \
private: \
void operator=(const m_class &p_rval) {} \
\
protected: \
virtual const GDNativeInstanceBindingCallbacks *_get_bindings_callbacks() const override { \
return &___binding_callbacks; \
} \
\
m_class(const char *p_godot_class) : m_inherits(p_godot_class) {} \
m_class(GodotObject *p_godot_object) : m_inherits(p_godot_object) {} \
\
static void (*_get_bind_methods())() { \
return nullptr; \
} \
\
static void (Wrapped::*_get_notification())(int) { \
return nullptr; \
} \
\
static bool (Wrapped::*_get_set())(const StringName &p_name, const Variant &p_property) { \
return nullptr; \
} \
\
static bool (Wrapped::*_get_get())(const StringName &p_name, Variant &r_ret) const { \
return nullptr; \
} \
\
static void (Wrapped::*_get_get_property_list())(List<PropertyInfo> * p_list) const { \
return nullptr; \
} \
\
static bool (Wrapped::*_get_property_can_revert())(const StringName &p_name) { \
return nullptr; \
} \
\
static bool (Wrapped::*_get_property_get_revert())(const StringName &p_name, Variant &) { \
return nullptr; \
} \
\
static String (Wrapped::*_get_to_string())() { \
return nullptr; \
} \
\
public: \
static void initialize_class() {} \
\
static const char *get_class_static() { \
return #m_class; \
} \
\
static const char *get_parent_class_static() { \
return m_inherits::get_class_static(); \
} \
\
static void *___binding_create_callback(void *p_token, void *p_instance) { \
/* Do not call memnew here, we don't want the postinitializer to be called */ \
return new ("") m_class((GodotObject *)p_instance); \
} \
static void ___binding_free_callback(void *p_token, void *p_instance, void *p_binding) { \
/* Explicitly call the deconstructor to ensure proper lifecycle for non-trivial members */ \
reinterpret_cast<m_class *>(p_binding)->~m_class(); \
Memory::free_static(reinterpret_cast<m_class *>(p_binding)); \
} \
static GDNativeBool ___binding_reference_callback(void *p_token, void *p_instance, GDNativeBool p_reference) { \
return true; \
} \
static constexpr GDNativeInstanceBindingCallbacks ___binding_callbacks = { \
___binding_create_callback, \
___binding_free_callback, \
___binding_reference_callback, \
}; \
m_class() : m_class(#m_class) {}
#endif // ! GODOT_CPP_WRAPPED_HPP