project64/Source/Project64-core/Plugins/PluginBase.cpp

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/****************************************************************************
* *
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* Project64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* *
****************************************************************************/
#include "stdafx.h"
#include <Project64-core/Plugins/PluginBase.h>
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#include <Common/path.h>
CPlugin::CPlugin() :
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DllAbout(NULL),
DllConfig(NULL),
CloseDLL(NULL),
RomOpen(NULL),
RomClosed(NULL),
PluginOpened(NULL),
SetSettingInfo(NULL),
SetSettingInfo2(NULL),
SetSettingInfo3(NULL),
m_LibHandle(NULL),
m_Initialized(false),
m_RomOpen(false)
{
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memset(&m_PluginInfo, 0, sizeof(m_PluginInfo));
}
CPlugin::~CPlugin()
{
WriteTrace(PluginTraceType(), TraceDebug, "Start");
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UnloadPlugin();
WriteTrace(PluginTraceType(), TraceDebug, "Done");
}
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bool CPlugin::Load(const char * FileName)
{
WriteTrace(PluginTraceType(), TraceDebug, "Loading: %s", FileName);
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// Already loaded, so unload first.
if (m_LibHandle != NULL)
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{
UnloadPlugin();
}
// Try to load the plugin DLL
//Try to load the DLL library
m_LibHandle = pjutil::DynLibOpen(FileName, bHaveDebugger());
WriteTrace(PluginTraceType(), TraceDebug, "Loaded: %s LibHandle: %X", FileName, m_LibHandle);
if (m_LibHandle == NULL)
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{
return false;
}
// Get DLL information
void(CALL *GetDllInfo) (PLUGIN_INFO * PluginInfo);
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LoadFunction(GetDllInfo);
if (GetDllInfo == NULL) { return false; }
GetDllInfo(&m_PluginInfo);
if (!ValidPluginVersion(m_PluginInfo)) { return false; }
if (m_PluginInfo.Type != type()) { return false; }
LoadFunction(CloseDLL);
LoadFunction(RomOpen);
LoadFunction(RomClosed);
_LoadFunction("PluginLoaded", PluginOpened);
LoadFunction(DllConfig);
LoadFunction(DllAbout);
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LoadFunction(SetSettingNotificationInfo);
if (SetSettingNotificationInfo)
{
WriteTrace(PluginTraceType(), TraceDebug, "Found SetSettingNotificationInfo");
PLUGIN_SETTINGS_NOTIFICATION info;
info.RegisterChangeCB = (void(*)(void *, int ID, void * Data, PLUGIN_SETTINGS_NOTIFICATION::SettingChangedFunc Func))CSettings::sRegisterChangeCB;
info.UnregisterChangeCB = (void(*)(void *, int ID, void * Data, PLUGIN_SETTINGS_NOTIFICATION::SettingChangedFunc Func))CSettings::sUnregisterChangeCB;
SetSettingNotificationInfo(&info);
}
LoadFunction(SetSettingInfo3);
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if (SetSettingInfo3)
{
WriteTrace(PluginTraceType(), TraceDebug, "Found SetSettingInfo3");
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PLUGIN_SETTINGS3 info;
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info.FlushSettings = (void(*)(void * handle))CSettings::FlushSettings;
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SetSettingInfo3(&info);
}
LoadFunction(SetSettingInfo2);
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if (SetSettingInfo2)
{
WriteTrace(PluginTraceType(), TraceDebug, "Found SetSettingInfo2");
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PLUGIN_SETTINGS2 info;
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info.FindSystemSettingId = (uint32_t(*)(void * handle, const char *))CSettings::FindSetting;
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SetSettingInfo2(&info);
}
LoadFunction(SetSettingInfo);
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if (SetSettingInfo)
{
WriteTrace(PluginTraceType(), TraceDebug, "Found SetSettingInfo");
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PLUGIN_SETTINGS info;
info.dwSize = sizeof(PLUGIN_SETTINGS);
info.DefaultStartRange = GetDefaultSettingStartRange();
info.SettingStartRange = GetSettingStartRange();
info.MaximumSettings = MaxPluginSetting;
info.NoDefault = Default_None;
info.DefaultLocation = g_Settings->LoadDword(Setting_UseFromRegistry) ? SettingType_Registry : SettingType_CfgFile;
info.handle = g_Settings;
info.RegisterSetting = (void(*)(void *, int, int, SettingDataType, SettingType, const char *, const char *, uint32_t))&CSettings::RegisterSetting;
info.GetSetting = (uint32_t(*)(void *, int))&CSettings::GetSetting;
info.GetSettingSz = (const char * (*)(void *, int, char *, int))&CSettings::GetSettingSz;
info.SetSetting = (void(*)(void *, int, uint32_t))&CSettings::SetSetting;
info.SetSettingSz = (void(*)(void *, int, const char *))&CSettings::SetSettingSz;
info.UseUnregisteredSetting = NULL;
SetSettingInfo(&info);
}
if (RomClosed == NULL)
{
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return false;
}
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if (!LoadFunctions())
{
WriteTrace(PluginTraceType(), TraceWarning, "Failed to load functions");
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return false;
}
WriteTrace(PluginTraceType(), TraceDebug, "Functions loaded");
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if (PluginOpened)
{
WriteTrace(PluginTraceType(), TraceDebug, "Before Plugin Opened");
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PluginOpened();
WriteTrace(PluginTraceType(), TraceDebug, "After Plugin Opened");
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}
WriteTrace(PluginTraceType(), TraceDebug, "Loaded");
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return true;
}
void CPlugin::RomOpened(RenderWindow * Render)
{
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if (m_RomOpen)
{
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return;
}
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#ifdef ANDROID
if (m_PluginInfo.Type == PLUGIN_TYPE_GFX)
{
WriteTrace(PluginTraceType(), TraceDebug, "Render = %p", Render);
if (Render != NULL)
{
WriteTrace(PluginTraceType(), TraceDebug, "Calling GfxThreadInit");
Render->GfxThreadInit();
WriteTrace(PluginTraceType(), TraceDebug, "GfxThreadInit Done");
}
}
#else
Render = Render; // used just for andoid
#endif
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if (RomOpen != NULL)
{
WriteTrace(PluginTraceType(), TraceDebug, "Before Rom Open");
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RomOpen();
WriteTrace(PluginTraceType(), TraceDebug, "After Rom Open");
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}
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m_RomOpen = true;
}
void CPlugin::RomClose(RenderWindow * Render)
{
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if (!m_RomOpen)
{
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return;
}
#ifdef ANDROID
if (m_PluginInfo.Type == PLUGIN_TYPE_GFX)
{
WriteTrace(PluginTraceType(), TraceDebug, "Render = %p", Render);
if (Render != NULL)
{
WriteTrace(PluginTraceType(), TraceDebug, "Calling GfxThreadDone");
Render->GfxThreadDone();
WriteTrace(PluginTraceType(), TraceDebug, "GfxThreadDone Done");
}
}
#else
Render = Render; // used just for andoid
#endif
WriteTrace(PluginTraceType(), TraceDebug, "Before Rom Close");
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RomClosed();
m_RomOpen = false;
WriteTrace(PluginTraceType(), TraceDebug, "After Rom Close");
}
void CPlugin::GameReset(RenderWindow * Render)
{
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if (m_RomOpen)
{
RomClose(Render);
RomOpened(Render);
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}
}
void CPlugin::Close(RenderWindow * Render)
{
WriteTrace(PluginTraceType(), TraceDebug, "(%s): Start", PluginType());
RomClose(Render);
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if (m_Initialized)
{
CloseDLL();
m_Initialized = false;
}
WriteTrace(PluginTraceType(), TraceDebug, "(%s): Done", PluginType());
}
void CPlugin::UnloadPlugin()
{
WriteTrace(PluginTraceType(), TraceDebug, "(%s): Start", PluginType());
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memset(&m_PluginInfo, 0, sizeof(m_PluginInfo));
if (m_LibHandle != NULL)
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{
UnloadPluginDetails();
}
if (m_LibHandle != NULL)
{
pjutil::DynLibClose(m_LibHandle);
m_LibHandle = NULL;
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}
DllAbout = NULL;
CloseDLL = NULL;
RomOpen = NULL;
RomClosed = NULL;
PluginOpened = NULL;
DllConfig = NULL;
SetSettingInfo = NULL;
SetSettingInfo2 = NULL;
SetSettingInfo3 = NULL;
WriteTrace(PluginTraceType(), TraceDebug, "(%s): Done", PluginType());
}
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const char * CPlugin::PluginType() const
{
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switch (m_PluginInfo.Type)
{
case PLUGIN_TYPE_RSP: return "RSP";
case PLUGIN_TYPE_GFX: return "GFX";
case PLUGIN_TYPE_AUDIO: return "Audio";
case PLUGIN_TYPE_CONTROLLER: return "Control";
}
return "Unknown";
}
TraceModuleProject64 CPlugin::PluginTraceType() const
{
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switch (m_PluginInfo.Type)
{
case PLUGIN_TYPE_RSP: return TraceRSPPlugin;
case PLUGIN_TYPE_GFX: return TraceGFXPlugin;
case PLUGIN_TYPE_AUDIO: return TraceAudioPlugin;
case PLUGIN_TYPE_CONTROLLER: return TraceControllerPlugin;
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}
return TracePlugins;
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}
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bool CPlugin::ValidPluginVersion(PLUGIN_INFO & PluginInfo)
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{
switch (PluginInfo.Type)
{
case PLUGIN_TYPE_RSP:
if (!PluginInfo.MemoryBswaped) { return false; }
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if (PluginInfo.Version == 0x0001) { return true; }
if (PluginInfo.Version == 0x0100) { return true; }
if (PluginInfo.Version == 0x0101) { return true; }
if (PluginInfo.Version == 0x0102) { return true; }
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break;
case PLUGIN_TYPE_GFX:
if (!PluginInfo.MemoryBswaped) { return false; }
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if (PluginInfo.Version == 0x0102) { return true; }
if (PluginInfo.Version == 0x0103) { return true; }
if (PluginInfo.Version == 0x0104) { return true; }
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break;
case PLUGIN_TYPE_AUDIO:
if (!PluginInfo.MemoryBswaped) { return false; }
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if (PluginInfo.Version == 0x0101) { return true; }
if (PluginInfo.Version == 0x0102) { return true; }
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break;
case PLUGIN_TYPE_CONTROLLER:
if (PluginInfo.Version == 0x0100) { return true; }
if (PluginInfo.Version == 0x0101) { return true; }
if (PluginInfo.Version == 0x0102) { return true; }
break;
}
return false;
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}