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Wwise SDK 2023.1.9
PluginLinks.h
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1 /*******************************************************************************
2 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
3 released in source code form as part of the SDK installer package.
4 
5 Commercial License Usage
6 
7 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology
8 may use this file in accordance with the end user license agreement provided
9 with the software or, alternatively, in accordance with the terms contained in a
10 written agreement between you and Audiokinetic Inc.
11 
12 Apache License Usage
13 
14 Alternatively, this file may be used under the Apache License, Version 2.0 (the
15 "Apache License"); you may not use this file except in compliance with the
16 Apache License. You may obtain a copy of the Apache License at
17 http://www.apache.org/licenses/LICENSE-2.0.
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19 Unless required by applicable law or agreed to in writing, software distributed
20 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
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22 the specific language governing permissions and limitations under the License.
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24  Copyright (c) 2024 Audiokinetic Inc.
25 *******************************************************************************/
26 
27 /**
28  * \brief Wwise Authoring Plug-ins - Provides links to the related backend and frontend instances.
29  * \file AK/Wwise/Plugin/PluginLinks.h
30  */
31 
32 #pragma once
33 
34 #include "PluginInfoGenerator.h"
35 
36 /**
37  * \brief Host API to retrieve a link to the plug-in's backend instance.
38  *
39  * Useful for the Frontend (GUI) when a special function must be called to get a value, or update elements.
40  */
41 struct ak_wwise_plugin_link_backend_v1
42 #ifdef __cplusplus
43  : public ak_wwise_plugin_base_interface
44 #endif
45 {
46 #ifndef __cplusplus
47  ak_wwise_plugin_base_interface m_baseInterface;
48 #endif
49 
50 #ifdef __cplusplus
51  /// Base host-provided instance to retrieve the related backend instance, as shown in the frontend.
52  using Instance = ak_wwise_plugin_link_backend_instance_v1;
53  ak_wwise_plugin_link_backend_v1() :
54  ak_wwise_plugin_base_interface(AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_BACKEND, 1)
55  {}
56 #endif
57 
58  /**
59  * \brief Retrieves a link to the plug-in's backend instance.
60  *
61  * \aknote The returned pointer might be modified in the frontend lifetime. For example, a plug-in that would undo
62  * and redo a plug-in creation might return a different value. As such, you should not store the backend
63  * pointer in a class member, but query it at every operation. \endaknote
64  *
65  * \param[in] in_this Current instance of this interface.
66  * \return Base pointer of the backend instance.
67  */
68  ak_wwise_plugin_backend_instance* (*Get)(
69  const ak_wwise_plugin_link_backend_instance_v1* in_this
70  );
71 };
72 
73 /**
74  * \brief Host API to retrieve a link to the plug-in's frontend interfaces.
75  *
76  * Useful for the Backend when there are special properties that don't use property sets.
77  */
78 struct ak_wwise_plugin_link_frontend_v1
79 #ifdef __cplusplus
80  : public ak_wwise_plugin_base_interface
81 #endif
82 {
83 #ifndef __cplusplus
84  ak_wwise_plugin_base_interface m_baseInterface;
85 #endif
86 
87 #ifdef __cplusplus
88  /// Base host-provided instance to retrieve the related frontend instances related to the current backend.
89  using Instance = ak_wwise_plugin_link_frontend_instance_v1;
90  ak_wwise_plugin_link_frontend_v1() :
91  ak_wwise_plugin_base_interface(AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_FRONTEND, 1)
92  {}
93 #endif
94 
95  /**
96  * \brief Retrieves an array of the plug-in's frontend instances.
97  *
98  * \aknote The returned array is a temporary TLS pointer that is meant to be retrieved and processed immediately to
99  * execute commands. You should not store this data. \endaknote
100  *
101  * \param[in] in_this Current instance of this interface.
102  * \param[out] out_count How many frontend instances are in the array.
103  * \return Temporary pointer to the array of frontend instances.
104  */
105  ak_wwise_plugin_frontend_instance** (*GetArray)(
106  const ak_wwise_plugin_link_frontend_instance_v1* in_this,
107  int* out_count
108  );
109 };
110 
111 #define AK_WWISE_PLUGIN_LINK_BACKEND_ID() \
112  AK_WWISE_PLUGIN_BASE_INTERFACE_FROM_ID(AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_BACKEND, 1)
113 #define AK_WWISE_PLUGIN_LINK_BACKEND_CTOR(/* ak_wwise_plugin_info* */ in_pluginInfo, /* void* */ in_data) \
114 { \
115  .m_baseInterface = AK_WWISE_PLUGIN_BASE_INTERFACE_CTOR(AK_WWISE_PLUGIN_LINK_BACKEND_ID(), in_pluginInfo, in_data) \
116 }
117 
118 #define AK_WWISE_PLUGIN_LINK_FRONTEND_ID() \
119  AK_WWISE_PLUGIN_BASE_INTERFACE_FROM_ID(AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_FRONTEND, 1)
120 #define AK_WWISE_PLUGIN_LINK_FRONTEND_CTOR(/* ak_wwise_plugin_info* */ in_pluginInfo, /* void* */ in_data) \
121 { \
122  .m_baseInterface = AK_WWISE_PLUGIN_BASE_INTERFACE_CTOR(AK_WWISE_PLUGIN_LINK_FRONTEND_ID(), in_pluginInfo, in_data) \
123 }
124 
125 
126 #ifdef __cplusplus
127 namespace AK::Wwise::Plugin
128 {
129  namespace V1
130  {
131  using CLinkBackend = ak_wwise_plugin_link_backend_v1;
132  using CLinkFrontend = ak_wwise_plugin_link_frontend_v1;
133 
134  /// \copydoc ak_wwise_plugin_link_backend_v1
135  class LinkBackend : public CBaseInstanceGlue<CLinkBackend>
136  {
137  public:
138  using Interface = CLinkBackend;
139  using Instance = CLinkBackend::Instance;
140 
141  /**
142  * \brief The interface type, as requested by this plug-in.
143  */
144  enum : InterfaceTypeValue
145  {
146  /**
147  * \brief The interface type, as requested by this plug-in.
148  */
149  k_interfaceType = AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_BACKEND
150  };
151  /**
152  * \brief The interface version, as requested by this plug-in.
153  */
154  enum : InterfaceVersion
155  {
156  /**
157  * \brief The interface version, as requested by this plug-in.
158  */
159  k_interfaceVersion = 1
160  };
161 
162  /**
163  * \brief Retrieves a link to the plug-in's backend instance.
164  *
165  * \aknote The returned pointer might be modified in the frontend lifetime. For example, a plug-in that would undo
166  * and redo a plug-in creation might return a different value. As such, you should not store the backend
167  * pointer in a class member, but query it at every operation. \endaknote
168  *
169  * \return Base pointer of the backend instance.
170  */
171  inline ak_wwise_plugin_backend_instance* Get() const
172  {
173  return g_cinterface->Get(this);
174  }
175 
176  /**
177  * \brief Retrieves a link to the plug-in's backend instance, casted as your C++ Backend class type.
178  *
179  * \aknote The returned pointer might be modified in the frontend lifetime. For example, a plug-in that would undo
180  * and redo a plug-in creation might return a different value. As such, you should not store the backend
181  * pointer in a class member, but query it at every operation. \endaknote
182  *
183  * \tparam Backend Expected type of the backend instance. An unexpected type yields to an undefined result.
184  * \return Pointer of the backend class instance.
185  */
186  template<typename Backend>
187  inline Backend* As()
188  {
189  return static_cast<Backend*>(Get());
190  }
191  };
192 
193  /// \copydoc ak_wwise_plugin_link_frontend_v1
194  class LinkFrontend : public CBaseInstanceGlue<CLinkFrontend>
195  {
196  public:
197  using Interface = CLinkFrontend;
198  using Instance = CLinkFrontend::Instance;
199 
200  /**
201  * \brief The interface type, as requested by this plug-in.
202  */
203  enum : InterfaceTypeValue
204  {
205  /**
206  * \brief The interface type, as requested by this plug-in.
207  */
208  k_interfaceType = AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_FRONTEND
209  };
210  /**
211  * \brief The interface version, as requested by this plug-in.
212  */
213  enum : InterfaceVersion
214  {
215  /**
216  * \brief The interface version, as requested by this plug-in.
217  */
218  k_interfaceVersion = 1
219  };
220 
221  /**
222  * \brief Retrieves an array of the plug-in's frontend instances.
223  *
224  * \aknote The returned array is a temporary TLS pointer that is meant to be retrieved and processed immediately to
225  * execute commands. You should not store this data. \endaknote
226  *
227  * \param[out] out_count How many frontend instances are in the array.
228  * \return Temporary pointer to the array of frontend instances.
229  */
230  inline ak_wwise_plugin_frontend_instance** GetArray(int* out_count) const
231  {
232  return g_cinterface->GetArray(this, out_count);
233  }
234 
235  /**
236  * \brief Applies a function on each plug-in's frontend instances.
237  *
238  * \aknote The frontend instances passed to the function are temporary TLS pointers that are meant to be retrieved
239  * and processed immediately to execute commands. You should not store this data. \endaknote
240  *
241  * \tparam Frontend Expected type of the frontend instances (optional). If no explicit type is provided, the caller
242  * needs to manually perform the cast to the expected frontend instance type. If an explicit type is
243  * provided, the frontend instances will automatically be casted to the provided type and then forwarded
244  * to in_operation if the cast was successful.
245  * \param[in] in_operation Function, functor or lambda taking a pointer of Frontend as parameter.
246  */
247  template<typename Frontend = ak_wwise_plugin_frontend_instance, typename Functor>
248  inline void ForEach(Functor in_operation) const
249  {
250  int count = 0;
251  auto frontends = GetArray(&count);
252  for (int index = 0; index < count; ++index)
253  {
254  if constexpr (std::is_same_v<Frontend, ak_wwise_plugin_frontend_instance>)
255  {
256  in_operation(frontends[index]);
257  }
258  else if (auto* frontend = dynamic_cast<Frontend*>(frontends[index]))
259  {
260  in_operation(frontend);
261  }
262  }
263  }
264  };
265 
266  using RequestLinkBackend = RequestedHostInterface<LinkBackend>;
267  using RequestLinkFrontend = RequestedHostInterface<LinkFrontend>;
268 
269  } // of namespace V1
270 
271  /// Latest version of the C LinkBackend interface.
272  using CLinkBackend = V1::CLinkBackend;
273  /// Latest version of the C++ LinkBackend interface.
274  using LinkBackend = V1::LinkBackend;
275  /// Latest version of the requested C++ LinkBackend interface.
276  using RequestLinkBackend = V1::RequestLinkBackend;
277 
278  /// Latest version of the C LinkFrontend interface.
279  using CLinkFrontend = V1::CLinkFrontend;
280  /// Latest version of the C++ LinkFrontend interface.
281  using LinkFrontend = V1::LinkFrontend;
282  /// Latest version of the requested C++ LinkFrontend interface.
283  using RequestLinkFrontend = V1::RequestLinkFrontend;
284 
285  AK_WWISE_PLUGIN_SPECIALIZE_HOST_INTERFACE(LinkBackend, backend);
286  AK_WWISE_PLUGIN_SPECIALIZE_HOST_INTERFACE(LinkFrontend, frontend);
287 
288  AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_CLASS(LinkBackend);
289  AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_VERSION(LinkBackend);
290 
291  AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_CLASS(LinkFrontend);
292  AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_VERSION(LinkFrontend);
293 } // of namespace AK::Wwise::Plugin
294 
295 #endif
ak_wwise_plugin_link_frontend_v1::GetArray
ak_wwise_plugin_frontend_instance **(* GetArray)(const ak_wwise_plugin_link_frontend_instance_v1 *in_this, int *out_count)
Retrieves an array of the plug-in's frontend instances.
Definition: PluginLinks.h:105
ak_wwise_plugin_frontend_instance
Plug-in frontend instance.
Definition: PluginDef.h:556
AK.Wwise::Plugin::LinkBackend
V1::LinkBackend LinkBackend
Latest version of the C++ LinkBackend interface.
Definition: PluginLinks.h:274
AK.Wwise::Plugin::V1::CLinkFrontend
ak_wwise_plugin_link_frontend_v1 CLinkFrontend
Definition: PluginLinks.h:132
AK.Wwise::Plugin::CBaseInterfaceGlue< CLinkBackend >::g_cinterface
static GluedInterface * g_cinterface
The unique instance of the CInterface interface. Defined at nullptr first, overridden by the Host onc...
Definition: PluginInfoGenerator.h:89
ak_wwise_plugin_link_backend_v1::ak_wwise_plugin_link_backend_v1
ak_wwise_plugin_link_backend_v1()
Definition: PluginLinks.h:53
AK.Wwise::Plugin::InterfaceVersion
decltype(BaseInterface::m_version) InterfaceVersion
PluginInfoGenerator: Type for the m_version value in BaseInterface
Definition: PluginInfoGenerator.h:50
ak_wwise_plugin_link_frontend_v1::ak_wwise_plugin_link_frontend_v1
ak_wwise_plugin_link_frontend_v1()
Definition: PluginLinks.h:90
ak_wwise_plugin_link_backend_instance_v1
Base host-provided instance to retrieve the related backend instance, as shown in the frontend.
Definition: PluginDef.h:782
PluginInfoGenerator.h
Wwise Authoring Plug-ins - C++ class helper to automatically determine the plug-in interfaces used in...
AK.Wwise::Plugin::CBaseInstanceGlue
PluginInfoGenerator: Associates an existing C Interface with a variable that can be used....
Definition: PluginInfoGenerator.h:104
ak_wwise_plugin_backend_instance
Plug-in backend instance.
Definition: PluginDef.h:541
AK.Wwise::Plugin::V1::RequestLinkFrontend
RequestedHostInterface< LinkFrontend > RequestLinkFrontend
Definition: PluginLinks.h:267
AK.Wwise::Plugin::InterfaceTypeValue
std::underlying_type< InterfaceType >::type InterfaceTypeValue
PluginInfoGenerator: Underlying storage type for the m_interface value in BaseInterface
Definition: PluginInfoGenerator.h:49
AK.Wwise::Plugin::V1::Frontend
Frontend plug-in API for Audio plug-ins.
Definition: Frontend.h:80
ak_wwise_plugin_link_backend_v1::Get
ak_wwise_plugin_backend_instance *(* Get)(const ak_wwise_plugin_link_backend_instance_v1 *in_this)
Retrieves a link to the plug-in's backend instance.
Definition: PluginLinks.h:68
AK.Wwise::Plugin::V1::CLinkBackend
ak_wwise_plugin_link_backend_v1 CLinkBackend
Definition: PluginLinks.h:131
AK.Wwise::Plugin::AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_VERSION
AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_VERSION(AudioPlugin)
ak_wwise_plugin_link_frontend_v1
Host API to retrieve a link to the plug-in's frontend interfaces.
Definition: PluginLinks.h:82
ak_wwise_plugin_link_backend_v1
Host API to retrieve a link to the plug-in's backend instance.
Definition: PluginLinks.h:45
ak_wwise_plugin_link_frontend_instance_v1
Base host-provided instance to retrieve the related frontend instances related to the current backend...
Definition: PluginDef.h:792
ak_wwise_plugin_base_interface
Interface description and base class for every Wwise Authoring plug-in interface.
Definition: PluginBaseInterface.h:120
ak_wwise_plugin_link_frontend_v1::Instance
ak_wwise_plugin_link_frontend_instance_v1 Instance
Base host-provided instance to retrieve the related frontend instances related to the current backend...
Definition: PluginLinks.h:89
AK.Wwise::Plugin::LinkFrontend
V1::LinkFrontend LinkFrontend
Latest version of the C++ LinkFrontend interface.
Definition: PluginLinks.h:281
AK_WWISE_PLUGIN_SPECIALIZE_HOST_INTERFACE
#define AK_WWISE_PLUGIN_SPECIALIZE_HOST_INTERFACE(in_name, in_varname,...)
PluginInfoGenerator: Creates a C++ host specialization for interface class specified in in_name,...
Definition: PluginInfoGenerator.h:237
ak_wwise_plugin_link_backend_v1::Instance
ak_wwise_plugin_link_backend_instance_v1 Instance
Base host-provided instance to retrieve the related backend instance, as shown in the frontend.
Definition: PluginLinks.h:52
AK.Wwise::Plugin::V1::RequestLinkBackend
RequestedHostInterface< LinkBackend > RequestLinkBackend
Definition: PluginLinks.h:266
AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_FRONTEND
@ AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_FRONTEND
2021.1 Link to the frontend plug-ins. ak_wwise_plugin_link_frontend_v1
Definition: PluginBaseInterface.h:86
AK.Wwise::Plugin::AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_CLASS
AK_WWISE_PLUGIN_SPECIALIZE_INTERFACE_CLASS(AudioPlugin)
AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_BACKEND
@ AK_WWISE_PLUGIN_INTERFACE_TYPE_LINK_BACKEND
2021.1 Link to the backend plug-in. ak_wwise_plugin_link_backend_v1
Definition: PluginBaseInterface.h:85

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