-
Notifications
You must be signed in to change notification settings - Fork 539
/
imgui_node_editor.h
530 lines (436 loc) · 19.6 KB
/
imgui_node_editor.h
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
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
//------------------------------------------------------------------------------
// VERSION 0.9.1
//
// LICENSE
// This software is dual-licensed to the public domain and under the following
// license: you are granted a perpetual, irrevocable license to copy, modify,
// publish, and distribute this file as you see fit.
//
// CREDITS
// Written by Michal Cichon
//------------------------------------------------------------------------------
# ifndef __IMGUI_NODE_EDITOR_H__
# define __IMGUI_NODE_EDITOR_H__
# pragma once
//------------------------------------------------------------------------------
# include <imgui.h>
# include <cstdint> // std::uintXX_t
# include <utility> // std::move
//------------------------------------------------------------------------------
# define IMGUI_NODE_EDITOR_VERSION "0.9.4"
# define IMGUI_NODE_EDITOR_VERSION_NUM 000904
//------------------------------------------------------------------------------
#ifndef IMGUI_NODE_EDITOR_API
#define IMGUI_NODE_EDITOR_API
#endif
//------------------------------------------------------------------------------
namespace ax {
namespace NodeEditor {
//------------------------------------------------------------------------------
struct NodeId;
struct LinkId;
struct PinId;
//------------------------------------------------------------------------------
enum class PinKind
{
Input,
Output
};
enum class FlowDirection
{
Forward,
Backward
};
enum class CanvasSizeMode
{
FitVerticalView, // Previous view will be scaled to fit new view on Y axis
FitHorizontalView, // Previous view will be scaled to fit new view on X axis
CenterOnly, // Previous view will be centered on new view
};
//------------------------------------------------------------------------------
enum class SaveReasonFlags: uint32_t
{
None = 0x00000000,
Navigation = 0x00000001,
Position = 0x00000002,
Size = 0x00000004,
Selection = 0x00000008,
AddNode = 0x00000010,
RemoveNode = 0x00000020,
User = 0x00000040
};
inline SaveReasonFlags operator |(SaveReasonFlags lhs, SaveReasonFlags rhs) { return static_cast<SaveReasonFlags>(static_cast<uint32_t>(lhs) | static_cast<uint32_t>(rhs)); }
inline SaveReasonFlags operator &(SaveReasonFlags lhs, SaveReasonFlags rhs) { return static_cast<SaveReasonFlags>(static_cast<uint32_t>(lhs) & static_cast<uint32_t>(rhs)); }
using ConfigSaveSettings = bool (*)(const char* data, size_t size, SaveReasonFlags reason, void* userPointer);
using ConfigLoadSettings = size_t (*)(char* data, void* userPointer);
using ConfigSaveNodeSettings = bool (*)(NodeId nodeId, const char* data, size_t size, SaveReasonFlags reason, void* userPointer);
using ConfigLoadNodeSettings = size_t (*)(NodeId nodeId, char* data, void* userPointer);
using ConfigSession = void (*)(void* userPointer);
struct Config
{
using CanvasSizeModeAlias = ax::NodeEditor::CanvasSizeMode;
const char* SettingsFile;
ConfigSession BeginSaveSession;
ConfigSession EndSaveSession;
ConfigSaveSettings SaveSettings;
ConfigLoadSettings LoadSettings;
ConfigSaveNodeSettings SaveNodeSettings;
ConfigLoadNodeSettings LoadNodeSettings;
void* UserPointer;
ImVector<float> CustomZoomLevels;
CanvasSizeModeAlias CanvasSizeMode;
int DragButtonIndex; // Mouse button index drag action will react to (0-left, 1-right, 2-middle)
int SelectButtonIndex; // Mouse button index select action will react to (0-left, 1-right, 2-middle)
int NavigateButtonIndex; // Mouse button index navigate action will react to (0-left, 1-right, 2-middle)
int ContextMenuButtonIndex; // Mouse button index context menu action will react to (0-left, 1-right, 2-middle)
bool EnableSmoothZoom;
float SmoothZoomPower;
Config()
: SettingsFile("NodeEditor.json")
, BeginSaveSession(nullptr)
, EndSaveSession(nullptr)
, SaveSettings(nullptr)
, LoadSettings(nullptr)
, SaveNodeSettings(nullptr)
, LoadNodeSettings(nullptr)
, UserPointer(nullptr)
, CustomZoomLevels()
, CanvasSizeMode(CanvasSizeModeAlias::FitVerticalView)
, DragButtonIndex(0)
, SelectButtonIndex(0)
, NavigateButtonIndex(1)
, ContextMenuButtonIndex(1)
, EnableSmoothZoom(false)
# ifdef __APPLE__
, SmoothZoomPower(1.1f)
# else
, SmoothZoomPower(1.3f)
# endif
{
}
};
//------------------------------------------------------------------------------
enum StyleColor
{
StyleColor_Bg,
StyleColor_Grid,
StyleColor_NodeBg,
StyleColor_NodeBorder,
StyleColor_HovNodeBorder,
StyleColor_SelNodeBorder,
StyleColor_NodeSelRect,
StyleColor_NodeSelRectBorder,
StyleColor_HovLinkBorder,
StyleColor_SelLinkBorder,
StyleColor_HighlightLinkBorder,
StyleColor_LinkSelRect,
StyleColor_LinkSelRectBorder,
StyleColor_PinRect,
StyleColor_PinRectBorder,
StyleColor_Flow,
StyleColor_FlowMarker,
StyleColor_GroupBg,
StyleColor_GroupBorder,
StyleColor_Count
};
enum StyleVar
{
StyleVar_NodePadding,
StyleVar_NodeRounding,
StyleVar_NodeBorderWidth,
StyleVar_HoveredNodeBorderWidth,
StyleVar_SelectedNodeBorderWidth,
StyleVar_PinRounding,
StyleVar_PinBorderWidth,
StyleVar_LinkStrength,
StyleVar_SourceDirection,
StyleVar_TargetDirection,
StyleVar_ScrollDuration,
StyleVar_FlowMarkerDistance,
StyleVar_FlowSpeed,
StyleVar_FlowDuration,
StyleVar_PivotAlignment,
StyleVar_PivotSize,
StyleVar_PivotScale,
StyleVar_PinCorners,
StyleVar_PinRadius,
StyleVar_PinArrowSize,
StyleVar_PinArrowWidth,
StyleVar_GroupRounding,
StyleVar_GroupBorderWidth,
StyleVar_HighlightConnectedLinks,
StyleVar_SnapLinkToPinDir,
StyleVar_HoveredNodeBorderOffset,
StyleVar_SelectedNodeBorderOffset,
StyleVar_Count
};
struct Style
{
ImVec4 NodePadding;
float NodeRounding;
float NodeBorderWidth;
float HoveredNodeBorderWidth;
float HoverNodeBorderOffset;
float SelectedNodeBorderWidth;
float SelectedNodeBorderOffset;
float PinRounding;
float PinBorderWidth;
float LinkStrength;
ImVec2 SourceDirection;
ImVec2 TargetDirection;
float ScrollDuration;
float FlowMarkerDistance;
float FlowSpeed;
float FlowDuration;
ImVec2 PivotAlignment;
ImVec2 PivotSize;
ImVec2 PivotScale;
float PinCorners;
float PinRadius;
float PinArrowSize;
float PinArrowWidth;
float GroupRounding;
float GroupBorderWidth;
float HighlightConnectedLinks;
float SnapLinkToPinDir; // when true link will start on the line defined by pin direction
ImVec4 Colors[StyleColor_Count];
Style()
{
NodePadding = ImVec4(8, 8, 8, 8);
NodeRounding = 12.0f;
NodeBorderWidth = 1.5f;
HoveredNodeBorderWidth = 3.5f;
HoverNodeBorderOffset = 0.0f;
SelectedNodeBorderWidth = 3.5f;
SelectedNodeBorderOffset = 0.0f;
PinRounding = 4.0f;
PinBorderWidth = 0.0f;
LinkStrength = 100.0f;
SourceDirection = ImVec2(1.0f, 0.0f);
TargetDirection = ImVec2(-1.0f, 0.0f);
ScrollDuration = 0.35f;
FlowMarkerDistance = 30.0f;
FlowSpeed = 150.0f;
FlowDuration = 2.0f;
PivotAlignment = ImVec2(0.5f, 0.5f);
PivotSize = ImVec2(0.0f, 0.0f);
PivotScale = ImVec2(1, 1);
#if IMGUI_VERSION_NUM > 18101
PinCorners = ImDrawFlags_RoundCornersAll;
#else
PinCorners = ImDrawCornerFlags_All;
#endif
PinRadius = 0.0f;
PinArrowSize = 0.0f;
PinArrowWidth = 0.0f;
GroupRounding = 6.0f;
GroupBorderWidth = 1.0f;
HighlightConnectedLinks = 0.0f;
SnapLinkToPinDir = 0.0f;
Colors[StyleColor_Bg] = ImColor( 60, 60, 70, 200);
Colors[StyleColor_Grid] = ImColor(120, 120, 120, 40);
Colors[StyleColor_NodeBg] = ImColor( 32, 32, 32, 200);
Colors[StyleColor_NodeBorder] = ImColor(255, 255, 255, 96);
Colors[StyleColor_HovNodeBorder] = ImColor( 50, 176, 255, 255);
Colors[StyleColor_SelNodeBorder] = ImColor(255, 176, 50, 255);
Colors[StyleColor_NodeSelRect] = ImColor( 5, 130, 255, 64);
Colors[StyleColor_NodeSelRectBorder] = ImColor( 5, 130, 255, 128);
Colors[StyleColor_HovLinkBorder] = ImColor( 50, 176, 255, 255);
Colors[StyleColor_SelLinkBorder] = ImColor(255, 176, 50, 255);
Colors[StyleColor_HighlightLinkBorder]= ImColor(204, 105, 0, 255);
Colors[StyleColor_LinkSelRect] = ImColor( 5, 130, 255, 64);
Colors[StyleColor_LinkSelRectBorder] = ImColor( 5, 130, 255, 128);
Colors[StyleColor_PinRect] = ImColor( 60, 180, 255, 100);
Colors[StyleColor_PinRectBorder] = ImColor( 60, 180, 255, 128);
Colors[StyleColor_Flow] = ImColor(255, 128, 64, 255);
Colors[StyleColor_FlowMarker] = ImColor(255, 128, 64, 255);
Colors[StyleColor_GroupBg] = ImColor( 0, 0, 0, 160);
Colors[StyleColor_GroupBorder] = ImColor(255, 255, 255, 32);
}
};
//------------------------------------------------------------------------------
struct EditorContext;
//------------------------------------------------------------------------------
IMGUI_NODE_EDITOR_API void SetCurrentEditor(EditorContext* ctx);
IMGUI_NODE_EDITOR_API EditorContext* GetCurrentEditor();
IMGUI_NODE_EDITOR_API EditorContext* CreateEditor(const Config* config = nullptr);
IMGUI_NODE_EDITOR_API void DestroyEditor(EditorContext* ctx);
IMGUI_NODE_EDITOR_API const Config& GetConfig(EditorContext* ctx = nullptr);
IMGUI_NODE_EDITOR_API Style& GetStyle();
IMGUI_NODE_EDITOR_API const char* GetStyleColorName(StyleColor colorIndex);
IMGUI_NODE_EDITOR_API void PushStyleColor(StyleColor colorIndex, const ImVec4& color);
IMGUI_NODE_EDITOR_API void PopStyleColor(int count = 1);
IMGUI_NODE_EDITOR_API void PushStyleVar(StyleVar varIndex, float value);
IMGUI_NODE_EDITOR_API void PushStyleVar(StyleVar varIndex, const ImVec2& value);
IMGUI_NODE_EDITOR_API void PushStyleVar(StyleVar varIndex, const ImVec4& value);
IMGUI_NODE_EDITOR_API void PopStyleVar(int count = 1);
IMGUI_NODE_EDITOR_API void Begin(const char* id, const ImVec2& size = ImVec2(0, 0));
IMGUI_NODE_EDITOR_API void End();
IMGUI_NODE_EDITOR_API void BeginNode(NodeId id);
IMGUI_NODE_EDITOR_API void BeginPin(PinId id, PinKind kind);
IMGUI_NODE_EDITOR_API void PinRect(const ImVec2& a, const ImVec2& b);
IMGUI_NODE_EDITOR_API void PinPivotRect(const ImVec2& a, const ImVec2& b);
IMGUI_NODE_EDITOR_API void PinPivotSize(const ImVec2& size);
IMGUI_NODE_EDITOR_API void PinPivotScale(const ImVec2& scale);
IMGUI_NODE_EDITOR_API void PinPivotAlignment(const ImVec2& alignment);
IMGUI_NODE_EDITOR_API void EndPin();
IMGUI_NODE_EDITOR_API void Group(const ImVec2& size);
IMGUI_NODE_EDITOR_API void EndNode();
IMGUI_NODE_EDITOR_API bool BeginGroupHint(NodeId nodeId);
IMGUI_NODE_EDITOR_API ImVec2 GetGroupMin();
IMGUI_NODE_EDITOR_API ImVec2 GetGroupMax();
IMGUI_NODE_EDITOR_API ImDrawList* GetHintForegroundDrawList();
IMGUI_NODE_EDITOR_API ImDrawList* GetHintBackgroundDrawList();
IMGUI_NODE_EDITOR_API void EndGroupHint();
// TODO: Add a way to manage node background channels
IMGUI_NODE_EDITOR_API ImDrawList* GetNodeBackgroundDrawList(NodeId nodeId);
IMGUI_NODE_EDITOR_API bool Link(LinkId id, PinId startPinId, PinId endPinId, const ImVec4& color = ImVec4(1, 1, 1, 1), float thickness = 1.0f);
IMGUI_NODE_EDITOR_API void Flow(LinkId linkId, FlowDirection direction = FlowDirection::Forward);
IMGUI_NODE_EDITOR_API bool BeginCreate(const ImVec4& color = ImVec4(1, 1, 1, 1), float thickness = 1.0f);
IMGUI_NODE_EDITOR_API bool QueryNewLink(PinId* startId, PinId* endId);
IMGUI_NODE_EDITOR_API bool QueryNewLink(PinId* startId, PinId* endId, const ImVec4& color, float thickness = 1.0f);
IMGUI_NODE_EDITOR_API bool QueryNewNode(PinId* pinId);
IMGUI_NODE_EDITOR_API bool QueryNewNode(PinId* pinId, const ImVec4& color, float thickness = 1.0f);
IMGUI_NODE_EDITOR_API bool AcceptNewItem();
IMGUI_NODE_EDITOR_API bool AcceptNewItem(const ImVec4& color, float thickness = 1.0f);
IMGUI_NODE_EDITOR_API void RejectNewItem();
IMGUI_NODE_EDITOR_API void RejectNewItem(const ImVec4& color, float thickness = 1.0f);
IMGUI_NODE_EDITOR_API void EndCreate();
IMGUI_NODE_EDITOR_API bool BeginDelete();
IMGUI_NODE_EDITOR_API bool QueryDeletedLink(LinkId* linkId, PinId* startId = nullptr, PinId* endId = nullptr);
IMGUI_NODE_EDITOR_API bool QueryDeletedNode(NodeId* nodeId);
IMGUI_NODE_EDITOR_API bool AcceptDeletedItem(bool deleteDependencies = true);
IMGUI_NODE_EDITOR_API void RejectDeletedItem();
IMGUI_NODE_EDITOR_API void EndDelete();
IMGUI_NODE_EDITOR_API void SetNodePosition(NodeId nodeId, const ImVec2& editorPosition);
IMGUI_NODE_EDITOR_API void SetGroupSize(NodeId nodeId, const ImVec2& size);
IMGUI_NODE_EDITOR_API ImVec2 GetNodePosition(NodeId nodeId);
IMGUI_NODE_EDITOR_API ImVec2 GetNodeSize(NodeId nodeId);
IMGUI_NODE_EDITOR_API void CenterNodeOnScreen(NodeId nodeId);
IMGUI_NODE_EDITOR_API void SetNodeZPosition(NodeId nodeId, float z); // Sets node z position, nodes with higher value are drawn over nodes with lower value
IMGUI_NODE_EDITOR_API float GetNodeZPosition(NodeId nodeId); // Returns node z position, defaults is 0.0f
IMGUI_NODE_EDITOR_API void RestoreNodeState(NodeId nodeId);
IMGUI_NODE_EDITOR_API void Suspend();
IMGUI_NODE_EDITOR_API void Resume();
IMGUI_NODE_EDITOR_API bool IsSuspended();
IMGUI_NODE_EDITOR_API bool IsActive();
IMGUI_NODE_EDITOR_API bool HasSelectionChanged();
IMGUI_NODE_EDITOR_API int GetSelectedObjectCount();
IMGUI_NODE_EDITOR_API int GetSelectedNodes(NodeId* nodes, int size);
IMGUI_NODE_EDITOR_API int GetSelectedLinks(LinkId* links, int size);
IMGUI_NODE_EDITOR_API bool IsNodeSelected(NodeId nodeId);
IMGUI_NODE_EDITOR_API bool IsLinkSelected(LinkId linkId);
IMGUI_NODE_EDITOR_API void ClearSelection();
IMGUI_NODE_EDITOR_API void SelectNode(NodeId nodeId, bool append = false);
IMGUI_NODE_EDITOR_API void SelectLink(LinkId linkId, bool append = false);
IMGUI_NODE_EDITOR_API void DeselectNode(NodeId nodeId);
IMGUI_NODE_EDITOR_API void DeselectLink(LinkId linkId);
IMGUI_NODE_EDITOR_API bool DeleteNode(NodeId nodeId);
IMGUI_NODE_EDITOR_API bool DeleteLink(LinkId linkId);
IMGUI_NODE_EDITOR_API bool HasAnyLinks(NodeId nodeId); // Returns true if node has any link connected
IMGUI_NODE_EDITOR_API bool HasAnyLinks(PinId pinId); // Return true if pin has any link connected
IMGUI_NODE_EDITOR_API int BreakLinks(NodeId nodeId); // Break all links connected to this node
IMGUI_NODE_EDITOR_API int BreakLinks(PinId pinId); // Break all links connected to this pin
IMGUI_NODE_EDITOR_API void NavigateToContent(float duration = -1);
IMGUI_NODE_EDITOR_API void NavigateToSelection(bool zoomIn = false, float duration = -1);
IMGUI_NODE_EDITOR_API bool ShowNodeContextMenu(NodeId* nodeId);
IMGUI_NODE_EDITOR_API bool ShowPinContextMenu(PinId* pinId);
IMGUI_NODE_EDITOR_API bool ShowLinkContextMenu(LinkId* linkId);
IMGUI_NODE_EDITOR_API bool ShowBackgroundContextMenu();
IMGUI_NODE_EDITOR_API void EnableShortcuts(bool enable);
IMGUI_NODE_EDITOR_API bool AreShortcutsEnabled();
IMGUI_NODE_EDITOR_API bool BeginShortcut();
IMGUI_NODE_EDITOR_API bool AcceptCut();
IMGUI_NODE_EDITOR_API bool AcceptCopy();
IMGUI_NODE_EDITOR_API bool AcceptPaste();
IMGUI_NODE_EDITOR_API bool AcceptDuplicate();
IMGUI_NODE_EDITOR_API bool AcceptCreateNode();
IMGUI_NODE_EDITOR_API int GetActionContextSize();
IMGUI_NODE_EDITOR_API int GetActionContextNodes(NodeId* nodes, int size);
IMGUI_NODE_EDITOR_API int GetActionContextLinks(LinkId* links, int size);
IMGUI_NODE_EDITOR_API void EndShortcut();
IMGUI_NODE_EDITOR_API float GetCurrentZoom();
IMGUI_NODE_EDITOR_API NodeId GetHoveredNode();
IMGUI_NODE_EDITOR_API PinId GetHoveredPin();
IMGUI_NODE_EDITOR_API LinkId GetHoveredLink();
IMGUI_NODE_EDITOR_API NodeId GetDoubleClickedNode();
IMGUI_NODE_EDITOR_API PinId GetDoubleClickedPin();
IMGUI_NODE_EDITOR_API LinkId GetDoubleClickedLink();
IMGUI_NODE_EDITOR_API bool IsBackgroundClicked();
IMGUI_NODE_EDITOR_API bool IsBackgroundDoubleClicked();
IMGUI_NODE_EDITOR_API ImGuiMouseButton GetBackgroundClickButtonIndex(); // -1 if none
IMGUI_NODE_EDITOR_API ImGuiMouseButton GetBackgroundDoubleClickButtonIndex(); // -1 if none
IMGUI_NODE_EDITOR_API bool GetLinkPins(LinkId linkId, PinId* startPinId, PinId* endPinId); // pass nullptr if particular pin do not interest you
IMGUI_NODE_EDITOR_API bool PinHadAnyLinks(PinId pinId);
IMGUI_NODE_EDITOR_API ImVec2 GetScreenSize();
IMGUI_NODE_EDITOR_API ImVec2 ScreenToCanvas(const ImVec2& pos);
IMGUI_NODE_EDITOR_API ImVec2 CanvasToScreen(const ImVec2& pos);
IMGUI_NODE_EDITOR_API int GetNodeCount(); // Returns number of submitted nodes since Begin() call
IMGUI_NODE_EDITOR_API int GetOrderedNodeIds(NodeId* nodes, int size); // Fills an array with node id's in order they're drawn; up to 'size` elements are set. Returns actual size of filled id's.
//------------------------------------------------------------------------------
namespace Details {
template <typename T, typename Tag>
struct SafeType
{
SafeType(T t)
: m_Value(std::move(t))
{
}
SafeType(const SafeType&) = default;
template <typename T2, typename Tag2>
SafeType(
const SafeType
<
typename std::enable_if<!std::is_same<T, T2>::value, T2>::type,
typename std::enable_if<!std::is_same<Tag, Tag2>::value, Tag2>::type
>&) = delete;
SafeType& operator=(const SafeType&) = default;
explicit operator T() const { return Get(); }
T Get() const { return m_Value; }
private:
T m_Value;
};
template <typename Tag>
struct SafePointerType
: SafeType<uintptr_t, Tag>
{
static const Tag Invalid;
using SafeType<uintptr_t, Tag>::SafeType;
SafePointerType()
: SafePointerType(Invalid)
{
}
template <typename T = void> explicit SafePointerType(T* ptr): SafePointerType(reinterpret_cast<uintptr_t>(ptr)) {}
template <typename T = void> T* AsPointer() const { return reinterpret_cast<T*>(this->Get()); }
explicit operator bool() const { return *this != Invalid; }
};
template <typename Tag>
const Tag SafePointerType<Tag>::Invalid = { 0 };
template <typename Tag>
inline bool operator==(const SafePointerType<Tag>& lhs, const SafePointerType<Tag>& rhs)
{
return lhs.Get() == rhs.Get();
}
template <typename Tag>
inline bool operator!=(const SafePointerType<Tag>& lhs, const SafePointerType<Tag>& rhs)
{
return lhs.Get() != rhs.Get();
}
} // namespace Details
struct NodeId final: Details::SafePointerType<NodeId>
{
using SafePointerType::SafePointerType;
};
struct LinkId final: Details::SafePointerType<LinkId>
{
using SafePointerType::SafePointerType;
};
struct PinId final: Details::SafePointerType<PinId>
{
using SafePointerType::SafePointerType;
};
//------------------------------------------------------------------------------
} // namespace Editor
} // namespace ax
//------------------------------------------------------------------------------
# endif // __IMGUI_NODE_EDITOR_H__