project64/Source/Project64/Plugins/Plugin Base.cpp

256 lines
8.0 KiB
C++

/****************************************************************************
* *
* Project 64 - 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"
CPlugin::CPlugin() :
DllAbout(NULL),
DllConfig(NULL),
CloseDLL(NULL),
RomOpen(NULL),
RomClosed(NULL),
PluginOpened(NULL),
SetSettingInfo(NULL),
SetSettingInfo2(NULL),
SetSettingInfo3(NULL),
m_hDll(NULL),
m_Initialized(false),
m_RomOpen(false)
{
memset(&m_PluginInfo, 0, sizeof(m_PluginInfo));
}
CPlugin::~CPlugin()
{
UnloadPlugin();
}
bool CPlugin::Load (const char * FileName)
{
// Already loaded, so unload first.
if (m_hDll != NULL)
{
UnloadPlugin();
}
// Try to load the plugin DLL
//Try to load the DLL library
if (bHaveDebugger())
{
m_hDll = LoadLibrary(FileName);
}
else
{
UINT LastErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
m_hDll = LoadLibrary(FileName);
SetErrorMode(LastErrorMode);
}
if (m_hDll == NULL)
{
return false;
}
// Get DLL information
void(__cdecl *GetDllInfo) (PLUGIN_INFO * PluginInfo);
LoadFunction(GetDllInfo);
if (GetDllInfo == NULL) { return false; }
GetDllInfo(&m_PluginInfo);
if (!ValidPluginVersion(m_PluginInfo)) { return false; }
if (m_PluginInfo.Type != type()) { return false; }
CloseDLL = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "CloseDLL" );
RomOpen = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "RomOpen" );
RomClosed = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "RomClosed" );
PluginOpened = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)m_hDll, "PluginLoaded" );
DllConfig = (void (__cdecl *)(uint32_t)) GetProcAddress( (HMODULE)m_hDll, "DllConfig" );
DllAbout = (void (__cdecl *)(void *)) GetProcAddress( (HMODULE)m_hDll, "DllAbout" );
SetSettingInfo3 = (void (__cdecl *)(PLUGIN_SETTINGS3 *))GetProcAddress( (HMODULE)m_hDll, "SetSettingInfo3" );
if (SetSettingInfo3)
{
PLUGIN_SETTINGS3 info;
info.FlushSettings = (void (*)( void * handle))CSettings::FlushSettings;
SetSettingInfo3(&info);
}
SetSettingInfo2 = (void (__cdecl *)(PLUGIN_SETTINGS2 *))GetProcAddress( (HMODULE)m_hDll, "SetSettingInfo2" );
if (SetSettingInfo2)
{
PLUGIN_SETTINGS2 info;
info.FindSystemSettingId = (uint32_t (*)( void * handle, const char * ))CSettings::FindSetting;
SetSettingInfo2(&info);
}
SetSettingInfo = (void (__cdecl *)(PLUGIN_SETTINGS *))GetProcAddress( (HMODULE)m_hDll, "SetSettingInfo" );
if (SetSettingInfo)
{
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)
return false;
if (!LoadFunctions())
{
return false;
}
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Functions loaded",PluginType());
if (PluginOpened)
{
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Before Plugin Opened",PluginType());
PluginOpened();
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): After Plugin Opened",PluginType());
}
return true;
}
void CPlugin::RomOpened()
{
if (m_RomOpen)
return;
if(RomOpen != NULL){
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Before Rom Open",PluginType());
RomOpen();
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): After Rom Open",PluginType());
}
m_RomOpen = true;
}
void CPlugin::RomClose()
{
if (!m_RomOpen)
return;
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Before Rom Close",PluginType());
RomClosed();
m_RomOpen = false;
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): After Rom Close",PluginType());
}
void CPlugin::GameReset()
{
if (m_RomOpen)
{
RomClose();
if (RomOpen)
{
RomOpen();
}
}
}
void CPlugin::Close()
{
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Start",PluginType());
RomClose();
if (m_Initialized)
{
CloseDLL();
m_Initialized = false;
}
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): Done",PluginType());
}
void CPlugin::UnloadPlugin()
{
WriteTraceF(PluginTraceType(),__FUNCTION__ "(%s): unloading",PluginType());
memset(&m_PluginInfo, 0, sizeof(m_PluginInfo));
if (m_hDll != NULL)
{
UnloadPluginDetails();
FreeLibrary((HMODULE)m_hDll);
m_hDll = NULL;
}
DllAbout = NULL;
CloseDLL = NULL;
RomOpen = NULL;
RomClosed = NULL;
PluginOpened = NULL;
DllConfig = NULL;
SetSettingInfo = NULL;
SetSettingInfo2 = NULL;
SetSettingInfo3 = NULL;
}
const char * CPlugin::PluginType () const
{
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";
}
TraceType CPlugin::PluginTraceType () const
{
switch (m_PluginInfo.Type)
{
case PLUGIN_TYPE_RSP: return TraceRSP;
case PLUGIN_TYPE_GFX: return TraceGfxPlugin;
case PLUGIN_TYPE_AUDIO: return TraceDebug;
case PLUGIN_TYPE_CONTROLLER: return TraceDebug;
}
return TraceDebug;
}
bool CPlugin::ValidPluginVersion ( PLUGIN_INFO & PluginInfo )
{
switch (PluginInfo.Type)
{
case PLUGIN_TYPE_RSP:
if (!PluginInfo.MemoryBswaped) { return false; }
if (PluginInfo.Version == 0x0001) { return true; }
if (PluginInfo.Version == 0x0100) { return true; }
if (PluginInfo.Version == 0x0101) { return true; }
if (PluginInfo.Version == 0x0102) { return true; }
break;
case PLUGIN_TYPE_GFX:
if (!PluginInfo.MemoryBswaped) { return false; }
if (PluginInfo.Version == 0x0102) { return true; }
if (PluginInfo.Version == 0x0103) { return true; }
if (PluginInfo.Version == 0x0104) { return true; }
break;
case PLUGIN_TYPE_AUDIO:
if (!PluginInfo.MemoryBswaped) { return false; }
if (PluginInfo.Version == 0x0101) { return true; }
if (PluginInfo.Version == 0x0102) { return true; }
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;
}