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improvement in b3PluginManager, hashing the postfix if available

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(allows to load a plugin in the current executable instead of from disk)
This commit is contained in:
Erwin Coumans
2020-10-28 11:06:26 -07:00
parent e3274d7fc1
commit 49be2cffaa
1 changed files with 28 additions and 7 deletions
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35
examples/SharedMemory/b3PluginManager.cpp
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@@ -36,6 +36,7 @@ struct b3Plugin
bool m_ownsPluginHandle;
bool m_isInitialized;
std::string m_pluginPath;
std::string m_pluginPostFix;
int m_pluginUniqueId;
PFN_INIT m_initFunc;
PFN_EXIT m_exitFunc;
@@ -93,6 +94,24 @@ struct b3Plugin
m_returnData = 0;
m_isInitialized = false;
}
const char* GetMapKey() const
{
return GetMapKey(m_pluginPath.c_str(), m_pluginPostFix.c_str());
}
static const char* GetMapKey(const char* path, const char* postFix)
{
if (path != nullptr && strlen(path) > 0)
{
return path;
}
else if (postFix != nullptr && strlen(postFix) > 0)
{
return postFix;
}
return "";
}
};
typedef b3PoolBodyHandle<b3Plugin> b3PluginHandle;
@@ -113,7 +132,7 @@ struct b3PluginManagerInternalData
int m_numNotificationPlugins;
int m_activeFileIOPluginUid;
b3BulletDefaultFileIO m_defaultFileIO;
b3PluginManagerInternalData()
: m_physicsDirect(0), m_rpcCommandProcessorInterface(0), m_activeNotificationsBufferIndex(0), m_activeRendererPluginUid(-1), m_activeCollisionPluginUid(-1), m_numNotificationPlugins(0), m_activeFileIOPluginUid(-1)
{
@@ -180,7 +199,7 @@ int b3PluginManager::loadPlugin(const char* pluginPath, const char* postFixStr)
{
int pluginUniqueId = -1;
int* pluginUidPtr = m_data->m_pluginMap.find(pluginPath);
int* pluginUidPtr = m_data->m_pluginMap.find(b3Plugin::GetMapKey(pluginPath, postFixStr));
if (pluginUidPtr)
{
//already loaded
@@ -217,7 +236,7 @@ int b3PluginManager::loadPlugin(const char* pluginPath, const char* postFixStr)
std::string getRendererStr = std::string("getRenderInterface") + postFix;
std::string getCollisionStr = std::string("getCollisionInterface") + postFix;
std::string getFileIOStr = std::string("getFileIOInterface") + postFix;
plugin->m_initFunc = (PFN_INIT)B3_DYNLIB_IMPORT(pluginHandle, initStr.c_str());
plugin->m_exitFunc = (PFN_EXIT)B3_DYNLIB_IMPORT(pluginHandle, exitStr.c_str());
plugin->m_executeCommandFunc = (PFN_EXECUTE)B3_DYNLIB_IMPORT(pluginHandle, executePluginCommandStr.c_str());
@@ -234,7 +253,7 @@ int b3PluginManager::loadPlugin(const char* pluginPath, const char* postFixStr)
plugin->m_getRendererFunc = (PFN_GET_RENDER_INTERFACE)B3_DYNLIB_IMPORT(pluginHandle, getRendererStr.c_str());
plugin->m_getCollisionFunc = (PFN_GET_COLLISION_INTERFACE)B3_DYNLIB_IMPORT(pluginHandle, getCollisionStr.c_str());
plugin->m_getFileIOFunc = (PFN_GET_FILEIO_INTERFACE)B3_DYNLIB_IMPORT(pluginHandle, getFileIOStr.c_str());
if (plugin->m_initFunc && plugin->m_exitFunc && plugin->m_executeCommandFunc)
{
@@ -252,7 +271,8 @@ int b3PluginManager::loadPlugin(const char* pluginPath, const char* postFixStr)
plugin->m_ownsPluginHandle = true;
plugin->m_pluginHandle = pluginHandle;
plugin->m_pluginPath = pluginPath;
m_data->m_pluginMap.insert(pluginPath, pluginUniqueId);
plugin->m_pluginPostFix = postFixStr;
m_data->m_pluginMap.insert(plugin->GetMapKey(), pluginUniqueId);
}
else
{
@@ -337,7 +357,7 @@ void b3PluginManager::unloadPlugin(int pluginUniqueId)
plugin->m_returnData = 0;
plugin->m_isInitialized = false;
}
m_data->m_pluginMap.remove(plugin->m_pluginPath.c_str());
m_data->m_pluginMap.remove(plugin->GetMapKey());
m_data->m_plugins.freeHandle(pluginUniqueId);
}
}
@@ -482,6 +502,7 @@ int b3PluginManager::registerStaticLinkedPlugin(const char* pluginPath, b3Plugi
pluginHandle->m_getFileIOFunc = functions.m_fileIoFunc;
pluginHandle->m_pluginHandle = 0;
pluginHandle->m_pluginPath = pluginPath;
pluginHandle->m_pluginPostFix = "";
pluginHandle->m_userPointer = 0;
pluginHandle->m_returnData = 0;
@@ -490,7 +511,7 @@ int b3PluginManager::registerStaticLinkedPlugin(const char* pluginPath, b3Plugi
m_data->m_numNotificationPlugins++;
}
m_data->m_pluginMap.insert(pluginPath, pluginUniqueId);
m_data->m_pluginMap.insert(pluginHandle->GetMapKey(), pluginUniqueId);
if (initPlugin)
{