256 lines
8.0 KiB
C++
256 lines
8.0 KiB
C++
/****************************************************************************
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* *
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* Project 64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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#include "stdafx.h"
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CPlugin::CPlugin() :
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DllAbout(NULL),
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DllConfig(NULL),
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CloseDLL(NULL),
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RomOpen(NULL),
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RomClosed(NULL),
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PluginOpened(NULL),
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SetSettingInfo(NULL),
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SetSettingInfo2(NULL),
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SetSettingInfo3(NULL),
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m_hDll(NULL),
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m_Initialized(false),
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m_RomOpen(false)
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{
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memset(&m_PluginInfo, 0, sizeof(m_PluginInfo));
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}
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CPlugin::~CPlugin()
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{
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UnloadPlugin();
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}
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bool CPlugin::Load (const char * FileName)
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{
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// Already loaded, so unload first.
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if (m_hDll != NULL)
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{
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UnloadPlugin();
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}
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// Try to load the plugin DLL
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//Try to load the DLL library
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if (bHaveDebugger())
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{
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m_hDll = LoadLibrary(FileName);
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}
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else
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{
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UINT LastErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
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m_hDll = LoadLibrary(FileName);
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SetErrorMode(LastErrorMode);
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}
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if (m_hDll == NULL)
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{
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return false;
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}
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// Get DLL information
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void(__cdecl *GetDllInfo) (PLUGIN_INFO * PluginInfo);
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LoadFunction(GetDllInfo);
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if (GetDllInfo == NULL) { return false; }
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GetDllInfo(&m_PluginInfo);
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if (!ValidPluginVersion(m_PluginInfo)) { return false; }
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if (m_PluginInfo.Type != type()) { return false; }
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CloseDLL = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "CloseDLL" );
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RomOpen = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "RomOpen" );
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RomClosed = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "RomClosed" );
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PluginOpened = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "PluginLoaded" );
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DllConfig = (void (__cdecl *)(uint32_t)) GetProcAddress( (HMODULE)m_hDll, "DllConfig" );
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DllAbout = (void (__cdecl *)(void *)) GetProcAddress( (HMODULE)m_hDll, "DllAbout" );
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SetSettingInfo3 = (void (__cdecl *)(PLUGIN_SETTINGS3 *))GetProcAddress( (HMODULE)m_hDll, "SetSettingInfo3" );
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if (SetSettingInfo3)
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{
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PLUGIN_SETTINGS3 info;
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info.FlushSettings = (void (*)( void * handle))CSettings::FlushSettings;
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SetSettingInfo3(&info);
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}
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SetSettingInfo2 = (void (__cdecl *)(PLUGIN_SETTINGS2 *))GetProcAddress( (HMODULE)m_hDll, "SetSettingInfo2" );
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if (SetSettingInfo2)
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{
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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);
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}
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SetSettingInfo = (void (__cdecl *)(PLUGIN_SETTINGS *))GetProcAddress( (HMODULE)m_hDll, "SetSettingInfo" );
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if (SetSettingInfo)
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{
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PLUGIN_SETTINGS info;
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info.dwSize = sizeof(PLUGIN_SETTINGS);
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info.DefaultStartRange = GetDefaultSettingStartRange();
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info.SettingStartRange = GetSettingStartRange();
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info.MaximumSettings = MaxPluginSetting;
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info.NoDefault = Default_None;
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info.DefaultLocation = g_Settings->LoadDword(Setting_UseFromRegistry) ? SettingType_Registry : SettingType_CfgFile;
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info.handle = g_Settings;
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info.RegisterSetting = (void(*)(void *, int, int, SettingDataType, SettingType, const char *, const char *, uint32_t))&CSettings::RegisterSetting;
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info.GetSetting = (uint32_t(*)(void *, int))&CSettings::GetSetting;
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info.GetSettingSz = (const char * (*)(void *, int, char *, int))&CSettings::GetSettingSz;
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info.SetSetting = (void(*)(void *, int, uint32_t))&CSettings::SetSetting;
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info.SetSettingSz = (void(*)(void *, int, const char *))&CSettings::SetSettingSz;
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info.UseUnregisteredSetting = NULL;
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SetSettingInfo(&info);
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}
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if (RomClosed == NULL)
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return false;
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if (!LoadFunctions())
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{
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return false;
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}
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Functions loaded",PluginType());
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if (PluginOpened)
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{
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Before Plugin Opened",PluginType());
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PluginOpened();
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): After Plugin Opened",PluginType());
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}
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return true;
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}
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void CPlugin::RomOpened()
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{
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if (m_RomOpen)
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return;
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if(RomOpen != NULL){
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Before Rom Open",PluginType());
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RomOpen();
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): After Rom Open",PluginType());
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}
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m_RomOpen = true;
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}
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void CPlugin::RomClose()
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{
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if (!m_RomOpen)
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return;
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Before Rom Close",PluginType());
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RomClosed();
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m_RomOpen = false;
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): After Rom Close",PluginType());
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}
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void CPlugin::GameReset()
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{
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if (m_RomOpen)
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{
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RomClose();
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if (RomOpen)
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{
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RomOpen();
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}
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}
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}
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void CPlugin::Close()
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{
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Start",PluginType());
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RomClose();
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if (m_Initialized)
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{
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CloseDLL();
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m_Initialized = false;
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}
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Done",PluginType());
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}
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void CPlugin::UnloadPlugin()
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{
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WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): unloading",PluginType());
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memset(&m_PluginInfo, 0, sizeof(m_PluginInfo));
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if (m_hDll != NULL)
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{
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UnloadPluginDetails();
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FreeLibrary((HMODULE)m_hDll);
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m_hDll = NULL;
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}
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DllAbout = NULL;
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CloseDLL = NULL;
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RomOpen = NULL;
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RomClosed = NULL;
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PluginOpened = NULL;
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DllConfig = NULL;
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SetSettingInfo = NULL;
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SetSettingInfo2 = NULL;
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SetSettingInfo3 = NULL;
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}
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const char * CPlugin::PluginType () const
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{
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switch (m_PluginInfo.Type)
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{
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case PLUGIN_TYPE_RSP: return "RSP";
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case PLUGIN_TYPE_GFX: return "GFX";
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case PLUGIN_TYPE_AUDIO: return "Audio";
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case PLUGIN_TYPE_CONTROLLER: return "Control";
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}
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return "Unknown";
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}
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TraceType CPlugin::PluginTraceType () const
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{
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switch (m_PluginInfo.Type)
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{
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case PLUGIN_TYPE_RSP: return TraceRSP;
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case PLUGIN_TYPE_GFX: return TraceGfxPlugin;
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case PLUGIN_TYPE_AUDIO: return TraceDebug;
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case PLUGIN_TYPE_CONTROLLER: return TraceDebug;
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}
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return TraceDebug;
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}
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bool CPlugin::ValidPluginVersion ( PLUGIN_INFO & PluginInfo )
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{
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switch (PluginInfo.Type)
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{
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case PLUGIN_TYPE_RSP:
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if (!PluginInfo.MemoryBswaped) { return false; }
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if (PluginInfo.Version == 0x0001) { return true; }
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if (PluginInfo.Version == 0x0100) { return true; }
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if (PluginInfo.Version == 0x0101) { return true; }
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if (PluginInfo.Version == 0x0102) { return true; }
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break;
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case PLUGIN_TYPE_GFX:
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if (!PluginInfo.MemoryBswaped) { return false; }
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if (PluginInfo.Version == 0x0102) { return true; }
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if (PluginInfo.Version == 0x0103) { return true; }
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if (PluginInfo.Version == 0x0104) { return true; }
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break;
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case PLUGIN_TYPE_AUDIO:
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if (!PluginInfo.MemoryBswaped) { return false; }
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if (PluginInfo.Version == 0x0101) { return true; }
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if (PluginInfo.Version == 0x0102) { return true; }
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break;
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case PLUGIN_TYPE_CONTROLLER:
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if (PluginInfo.Version == 0x0100) { return true; }
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if (PluginInfo.Version == 0x0101) { return true; }
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if (PluginInfo.Version == 0x0102) { return true; }
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break;
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}
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return FALSE;
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}
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