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melonDS/src/frontend/qt_sdl/main.cpp

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/*
Copyright 2016-2023 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#include <stdlib.h>
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <optional>
#include <vector>
#include <string>
#include <algorithm>
#include <QProcess>
#include <QApplication>
#include <QMessageBox>
#include <QMenuBar>
#include <QMimeDatabase>
#include <QFileDialog>
#include <QInputDialog>
#include <QPaintEvent>
#include <QPainter>
#include <QKeyEvent>
#include <QMimeData>
#include <QVector>
#include <QCommandLineParser>
#ifndef _WIN32
#include <QGuiApplication>
#include <QSocketNotifier>
#include <unistd.h>
#include <sys/socket.h>
#include <signal.h>
#ifndef APPLE
#include <qpa/qplatformnativeinterface.h>
#endif
#endif
#include <SDL2/SDL.h>
#include "OpenGLSupport.h"
#include "duckstation/gl/context.h"
#include "main.h"
#include "Input.h"
#include "CheatsDialog.h"
#include "DateTimeDialog.h"
#include "EmuSettingsDialog.h"
#include "InputConfig/InputConfigDialog.h"
#include "VideoSettingsDialog.h"
#include "CameraSettingsDialog.h"
#include "AudioSettingsDialog.h"
#include "FirmwareSettingsDialog.h"
#include "PathSettingsDialog.h"
#include "MPSettingsDialog.h"
#include "WifiSettingsDialog.h"
#include "InterfaceSettingsDialog.h"
#include "ROMInfoDialog.h"
#include "RAMInfoDialog.h"
#include "TitleManagerDialog.h"
#include "PowerManagement/PowerManagementDialog.h"
#include "AudioInOut.h"
#include "types.h"
#include "version.h"
#include "FrontendUtil.h"
#include "OSD.h"
#include "Args.h"
#include "NDS.h"
#include "NDSCart.h"
#include "GBACart.h"
#include "GPU.h"
#include "SPU.h"
#include "Wifi.h"
#include "Platform.h"
#include "LocalMP.h"
#include "Config.h"
#include "RTC.h"
#include "DSi.h"
#include "DSi_I2C.h"
#include "GPU3D_Soft.h"
#include "GPU3D_OpenGL.h"
#include "Savestate.h"
//#include "main_shaders.h"
#include "ROMManager.h"
#include "ArchiveUtil.h"
#include "CameraManager.h"
#include "CLI.h"
// TODO: uniform variable spelling
using namespace melonDS;
QString NdsRomMimeType = "application/x-nintendo-ds-rom";
QStringList NdsRomExtensions { ".nds", ".srl", ".dsi", ".ids" };
QString GbaRomMimeType = "application/x-gba-rom";
QStringList GbaRomExtensions { ".gba", ".agb" };
// This list of supported archive formats is based on libarchive(3) version 3.6.2 (2022-12-09).
QStringList ArchiveMimeTypes
{
#ifdef ARCHIVE_SUPPORT_ENABLED
"application/zip",
"application/x-7z-compressed",
"application/vnd.rar", // *.rar
"application/x-tar",
"application/x-compressed-tar", // *.tar.gz
"application/x-xz-compressed-tar",
"application/x-bzip-compressed-tar",
"application/x-lz4-compressed-tar",
"application/x-zstd-compressed-tar",
"application/x-tarz", // *.tar.Z
"application/x-lzip-compressed-tar",
"application/x-lzma-compressed-tar",
"application/x-lrzip-compressed-tar",
"application/x-tzo", // *.tar.lzo
#endif
};
QStringList ArchiveExtensions
{
#ifdef ARCHIVE_SUPPORT_ENABLED
".zip", ".7z", ".rar", ".tar",
".tar.gz", ".tgz",
".tar.xz", ".txz",
".tar.bz2", ".tbz2",
".tar.lz4", ".tlz4",
".tar.zst", ".tzst",
".tar.Z", ".taz",
".tar.lz",
".tar.lzma", ".tlz",
".tar.lrz", ".tlrz",
".tar.lzo", ".tzo"
#endif
};
bool RunningSomething;
MainWindow* mainWindow;
EmuThread* emuThread;
int autoScreenSizing = 0;
int videoRenderer;
bool videoSettingsDirty;
CameraManager* camManager[2];
bool camStarted[2];
//extern int AspectRatiosNum;
EmuThread::EmuThread(QObject* parent) : QThread(parent)
{
EmuStatus = emuStatus_Exit;
EmuRunning = emuStatus_Paused;
EmuPauseStack = EmuPauseStackRunning;
RunningSomething = false;
connect(this, SIGNAL(windowUpdate()), mainWindow->panelWidget, SLOT(repaint()));
connect(this, SIGNAL(windowTitleChange(QString)), mainWindow, SLOT(onTitleUpdate(QString)));
connect(this, SIGNAL(windowEmuStart()), mainWindow, SLOT(onEmuStart()));
connect(this, SIGNAL(windowEmuStop()), mainWindow, SLOT(onEmuStop()));
connect(this, SIGNAL(windowEmuPause()), mainWindow->actPause, SLOT(trigger()));
connect(this, SIGNAL(windowEmuReset()), mainWindow->actReset, SLOT(trigger()));
connect(this, SIGNAL(windowEmuFrameStep()), mainWindow->actFrameStep, SLOT(trigger()));
connect(this, SIGNAL(windowLimitFPSChange()), mainWindow->actLimitFramerate, SLOT(trigger()));
connect(this, SIGNAL(screenLayoutChange()), mainWindow->panelWidget, SLOT(onScreenLayoutChanged()));
connect(this, SIGNAL(windowFullscreenToggle()), mainWindow, SLOT(onFullscreenToggled()));
connect(this, SIGNAL(swapScreensToggle()), mainWindow->actScreenSwap, SLOT(trigger()));
connect(this, SIGNAL(screenEmphasisToggle()), mainWindow, SLOT(onScreenEmphasisToggled()));
}
std::unique_ptr<NDS> EmuThread::CreateConsole(
std::unique_ptr<melonDS::NDSCart::CartCommon>&& ndscart,
std::unique_ptr<melonDS::GBACart::CartCommon>&& gbacart
) noexcept
{
auto arm7bios = ROMManager::LoadARM7BIOS();
if (!arm7bios)
return nullptr;
auto arm9bios = ROMManager::LoadARM9BIOS();
if (!arm9bios)
return nullptr;
auto firmware = ROMManager::LoadFirmware(Config::ConsoleType);
if (!firmware)
return nullptr;
#ifdef JIT_ENABLED
JITArgs jitargs {
static_cast<unsigned>(Config::JIT_MaxBlockSize),
Config::JIT_LiteralOptimisations,
Config::JIT_BranchOptimisations,
Config::JIT_FastMemory,
};
#endif
#ifdef GDBSTUB_ENABLED
GDBArgs gdbargs {
static_cast<u16>(Config::GdbPortARM7),
static_cast<u16>(Config::GdbPortARM9),
Config::GdbARM7BreakOnStartup,
Config::GdbARM9BreakOnStartup,
};
#endif
NDSArgs ndsargs {
std::move(ndscart),
std::move(gbacart),
*arm9bios,
*arm7bios,
std::move(*firmware),
#ifdef JIT_ENABLED
Config::JIT_Enable ? std::make_optional(jitargs) : std::nullopt,
#else
std::nullopt,
#endif
static_cast<AudioBitDepth>(Config::AudioBitDepth),
static_cast<AudioInterpolation>(Config::AudioInterp),
#ifdef GDBSTUB_ENABLED
Config::GdbEnabled ? std::make_optional(gdbargs) : std::nullopt,
#else
std::nullopt,
#endif
};
if (Config::ConsoleType == 1)
{
auto arm7ibios = ROMManager::LoadDSiARM7BIOS();
if (!arm7ibios)
return nullptr;
auto arm9ibios = ROMManager::LoadDSiARM9BIOS();
if (!arm9ibios)
return nullptr;
auto nand = ROMManager::LoadNAND(*arm7ibios);
if (!nand)
return nullptr;
auto sdcard = ROMManager::LoadDSiSDCard();
DSiArgs args {
std::move(ndsargs),
*arm9ibios,
*arm7ibios,
std::move(*nand),
std::move(sdcard),
Config::DSiFullBIOSBoot,
};
args.GBAROM = nullptr;
return std::make_unique<melonDS::DSi>(std::move(args));
}
return std::make_unique<melonDS::NDS>(std::move(ndsargs));
}
bool EmuThread::UpdateConsole(UpdateConsoleNDSArgs&& ndsargs, UpdateConsoleGBAArgs&& gbaargs) noexcept
{
// Let's get the cart we want to use;
// if we wnat to keep the cart, we'll eject it from the existing console first.
std::unique_ptr<NDSCart::CartCommon> nextndscart;
if (std::holds_alternative<Keep>(ndsargs))
{ // If we want to keep the existing cart (if any)...
nextndscart = NDS ? NDS->EjectCart() : nullptr;
ndsargs = {};
}
else if (const auto ptr = std::get_if<std::unique_ptr<NDSCart::CartCommon>>(&ndsargs))
{
nextndscart = std::move(*ptr);
ndsargs = {};
}
if (nextndscart && nextndscart->Type() == NDSCart::Homebrew)
{
// Load DLDISDCard will return nullopt if the SD card is disabled;
// SetSDCard will accept nullopt, which means no SD card
auto& homebrew = static_cast<NDSCart::CartHomebrew&>(*nextndscart);
homebrew.SetSDCard(ROMManager::LoadDLDISDCard());
}
std::unique_ptr<GBACart::CartCommon> nextgbacart;
if (std::holds_alternative<Keep>(gbaargs))
{
nextgbacart = NDS ? NDS->EjectGBACart() : nullptr;
}
else if (const auto ptr = std::get_if<std::unique_ptr<GBACart::CartCommon>>(&gbaargs))
{
nextgbacart = std::move(*ptr);
gbaargs = {};
}
if (!NDS || NDS->ConsoleType != Config::ConsoleType)
{ // If we're switching between DS and DSi mode, or there's no console...
// To ensure the destructor is called before a new one is created,
// as the presence of global signal handlers still complicates things a bit
NDS = nullptr;
NDS::Current = nullptr;
NDS = CreateConsole(std::move(nextndscart), std::move(nextgbacart));
NDS->Reset();
NDS::Current = NDS.get();
return NDS != nullptr;
}
auto arm9bios = ROMManager::LoadARM9BIOS();
if (!arm9bios)
return false;
auto arm7bios = ROMManager::LoadARM7BIOS();
if (!arm7bios)
return false;
auto firmware = ROMManager::LoadFirmware(NDS->ConsoleType);
if (!firmware)
return false;
if (NDS->ConsoleType == 1)
{ // If the console we're updating is a DSi...
DSi& dsi = static_cast<DSi&>(*NDS);
auto arm9ibios = ROMManager::LoadDSiARM9BIOS();
if (!arm9ibios)
return false;
auto arm7ibios = ROMManager::LoadDSiARM7BIOS();
if (!arm7ibios)
return false;
auto nandimage = ROMManager::LoadNAND(*arm7ibios);
if (!nandimage)
return false;
auto dsisdcard = ROMManager::LoadDSiSDCard();
dsi.SetFullBIOSBoot(Config::DSiFullBIOSBoot);
dsi.ARM7iBIOS = *arm7ibios;
dsi.ARM9iBIOS = *arm9ibios;
dsi.SetNAND(std::move(*nandimage));
dsi.SetSDCard(std::move(dsisdcard));
// We're moving the optional, not the card
// (inserting std::nullopt here is okay, it means no card)
dsi.EjectGBACart();
}
if (NDS->ConsoleType == 0)
{
NDS->SetGBACart(std::move(nextgbacart));
}
#ifdef JIT_ENABLED
JITArgs jitargs {
static_cast<unsigned>(Config::JIT_MaxBlockSize),
Config::JIT_LiteralOptimisations,
Config::JIT_BranchOptimisations,
Config::JIT_FastMemory,
};
NDS->SetJITArgs(Config::JIT_Enable ? std::make_optional(jitargs) : std::nullopt);
#endif
NDS->SetARM7BIOS(*arm7bios);
NDS->SetARM9BIOS(*arm9bios);
NDS->SetFirmware(std::move(*firmware));
NDS->SetNDSCart(std::move(nextndscart));
NDS->SPU.SetInterpolation(static_cast<AudioInterpolation>(Config::AudioInterp));
NDS->SPU.SetDegrade10Bit(static_cast<AudioBitDepth>(Config::AudioBitDepth));
NDS::Current = NDS.get();
return true;
}
void EmuThread::run()
{
u32 mainScreenPos[3];
Platform::FileHandle* file;
UpdateConsole(nullptr, nullptr);
// No carts are inserted when melonDS first boots
mainScreenPos[0] = 0;
mainScreenPos[1] = 0;
mainScreenPos[2] = 0;
autoScreenSizing = 0;
videoSettingsDirty = false;
if (mainWindow->hasOGL)
{
screenGL = static_cast<ScreenPanelGL*>(mainWindow->panel);
screenGL->initOpenGL();
videoRenderer = Config::_3DRenderer;
}
else
{
screenGL = nullptr;
videoRenderer = 0;
}
if (videoRenderer == 0)
{ // If we're using the software renderer...
NDS->GPU.SetRenderer3D(std::make_unique<SoftRenderer>(Config::Threaded3D != 0));
}
else
{
auto glrenderer = melonDS::GLRenderer::New();
glrenderer->SetRenderSettings(Config::GL_BetterPolygons, Config::GL_ScaleFactor);
NDS->GPU.SetRenderer3D(std::move(glrenderer));
}
Input::Init();
u32 nframes = 0;
double perfCountsSec = 1.0 / SDL_GetPerformanceFrequency();
double lastTime = SDL_GetPerformanceCounter() * perfCountsSec;
double frameLimitError = 0.0;
double lastMeasureTime = lastTime;
u32 winUpdateCount = 0, winUpdateFreq = 1;
u8 dsiVolumeLevel = 0x1F;
file = Platform::OpenLocalFile("rtc.bin", Platform::FileMode::Read);
if (file)
{
RTC::StateData state;
Platform::FileRead(&state, sizeof(state), 1, file);
Platform::CloseFile(file);
NDS->RTC.SetState(state);
}
char melontitle[100];
while (EmuRunning != emuStatus_Exit)
{
Input::Process();
if (Input::HotkeyPressed(HK_FastForwardToggle)) emit windowLimitFPSChange();
if (Input::HotkeyPressed(HK_Pause)) emit windowEmuPause();
if (Input::HotkeyPressed(HK_Reset)) emit windowEmuReset();
if (Input::HotkeyPressed(HK_FrameStep)) emit windowEmuFrameStep();
if (Input::HotkeyPressed(HK_FullscreenToggle)) emit windowFullscreenToggle();
if (Input::HotkeyPressed(HK_SwapScreens)) emit swapScreensToggle();
if (Input::HotkeyPressed(HK_SwapScreenEmphasis)) emit screenEmphasisToggle();
if (EmuRunning == emuStatus_Running || EmuRunning == emuStatus_FrameStep)
{
EmuStatus = emuStatus_Running;
if (EmuRunning == emuStatus_FrameStep) EmuRunning = emuStatus_Paused;
if (Input::HotkeyPressed(HK_SolarSensorDecrease))
{
int level = NDS->GBACartSlot.SetInput(GBACart::Input_SolarSensorDown, true);
if (level != -1)
{
char msg[64];
sprintf(msg, "Solar sensor level: %d", level);
OSD::AddMessage(0, msg);
}
}
if (Input::HotkeyPressed(HK_SolarSensorIncrease))
{
int level = NDS->GBACartSlot.SetInput(GBACart::Input_SolarSensorUp, true);
if (level != -1)
{
char msg[64];
sprintf(msg, "Solar sensor level: %d", level);
OSD::AddMessage(0, msg);
}
}
if (NDS->ConsoleType == 1)
{
DSi& dsi = static_cast<DSi&>(*NDS);
double currentTime = SDL_GetPerformanceCounter() * perfCountsSec;
// Handle power button
if (Input::HotkeyDown(HK_PowerButton))
{
dsi.I2C.GetBPTWL()->SetPowerButtonHeld(currentTime);
}
else if (Input::HotkeyReleased(HK_PowerButton))
{
dsi.I2C.GetBPTWL()->SetPowerButtonReleased(currentTime);
}
// Handle volume buttons
if (Input::HotkeyDown(HK_VolumeUp))
{
dsi.I2C.GetBPTWL()->SetVolumeSwitchHeld(DSi_BPTWL::volumeKey_Up);
}
else if (Input::HotkeyReleased(HK_VolumeUp))
{
dsi.I2C.GetBPTWL()->SetVolumeSwitchReleased(DSi_BPTWL::volumeKey_Up);
}
if (Input::HotkeyDown(HK_VolumeDown))
{
dsi.I2C.GetBPTWL()->SetVolumeSwitchHeld(DSi_BPTWL::volumeKey_Down);
}
else if (Input::HotkeyReleased(HK_VolumeDown))
{
dsi.I2C.GetBPTWL()->SetVolumeSwitchReleased(DSi_BPTWL::volumeKey_Down);
}
dsi.I2C.GetBPTWL()->ProcessVolumeSwitchInput(currentTime);
}
// update render settings if needed
// HACK:
// once the fast forward hotkey is released, we need to update vsync
// to the old setting again
if (videoSettingsDirty || Input::HotkeyReleased(HK_FastForward))
{
if (screenGL)
{
screenGL->setSwapInterval(Config::ScreenVSync ? Config::ScreenVSyncInterval : 0);
videoRenderer = Config::_3DRenderer;
}
#ifdef OGLRENDERER_ENABLED
else
#endif
{
videoRenderer = 0;
}
videoRenderer = screenGL ? Config::_3DRenderer : 0;
videoSettingsDirty = false;
if (videoRenderer == 0)
{ // If we're using the software renderer...
NDS->GPU.SetRenderer3D(std::make_unique<SoftRenderer>(Config::Threaded3D != 0));
}
else
{
auto glrenderer = melonDS::GLRenderer::New();
glrenderer->SetRenderSettings(Config::GL_BetterPolygons, Config::GL_ScaleFactor);
NDS->GPU.SetRenderer3D(std::move(glrenderer));
}
}
// process input and hotkeys
NDS->SetKeyMask(Input::InputMask);
if (Input::HotkeyPressed(HK_Lid))
{
bool lid = !NDS->IsLidClosed();
NDS->SetLidClosed(lid);
OSD::AddMessage(0, lid ? "Lid closed" : "Lid opened");
}
// microphone input
AudioInOut::MicProcess(*NDS);
// auto screen layout
if (Config::ScreenSizing == Frontend::screenSizing_Auto)
{
mainScreenPos[2] = mainScreenPos[1];
mainScreenPos[1] = mainScreenPos[0];
mainScreenPos[0] = NDS->PowerControl9 >> 15;
int guess;
if (mainScreenPos[0] == mainScreenPos[2] &&
mainScreenPos[0] != mainScreenPos[1])
{
// constant flickering, likely displaying 3D on both screens
// TODO: when both screens are used for 2D only...???
guess = Frontend::screenSizing_Even;
}
else
{
if (mainScreenPos[0] == 1)
guess = Frontend::screenSizing_EmphTop;
else
guess = Frontend::screenSizing_EmphBot;
}
if (guess != autoScreenSizing)
{
autoScreenSizing = guess;
emit screenLayoutChange();
}
}
// emulate
u32 nlines = NDS->RunFrame();
if (ROMManager::NDSSave)
ROMManager::NDSSave->CheckFlush();
if (ROMManager::GBASave)
ROMManager::GBASave->CheckFlush();
if (ROMManager::FirmwareSave)
ROMManager::FirmwareSave->CheckFlush();
if (!screenGL)
{
FrontBufferLock.lock();
FrontBuffer = NDS->GPU.FrontBuffer;
FrontBufferLock.unlock();
}
else
{
FrontBuffer = NDS->GPU.FrontBuffer;
screenGL->drawScreenGL();
}
#ifdef MELONCAP
MelonCap::Update();
#endif // MELONCAP
if (EmuRunning == emuStatus_Exit) break;
winUpdateCount++;
if (winUpdateCount >= winUpdateFreq && !screenGL)
{
emit windowUpdate();
winUpdateCount = 0;
}
bool fastforward = Input::HotkeyDown(HK_FastForward);
if (fastforward && screenGL && Config::ScreenVSync)
{
screenGL->setSwapInterval(0);
}
if (Config::DSiVolumeSync && NDS->ConsoleType == 1)
{
DSi& dsi = static_cast<DSi&>(*NDS);
u8 volumeLevel = dsi.I2C.GetBPTWL()->GetVolumeLevel();
if (volumeLevel != dsiVolumeLevel)
{
dsiVolumeLevel = volumeLevel;
emit syncVolumeLevel();
}
Config::AudioVolume = volumeLevel * (256.0 / 31.0);
}
if (Config::AudioSync && !fastforward)
AudioInOut::AudioSync(*emuThread->NDS);
double frametimeStep = nlines / (60.0 * 263.0);
{
bool limitfps = Config::LimitFPS && !fastforward;
double practicalFramelimit = limitfps ? frametimeStep : 1.0 / 1000.0;
double curtime = SDL_GetPerformanceCounter() * perfCountsSec;
frameLimitError += practicalFramelimit - (curtime - lastTime);
if (frameLimitError < -practicalFramelimit)
frameLimitError = -practicalFramelimit;
if (frameLimitError > practicalFramelimit)
frameLimitError = practicalFramelimit;
if (round(frameLimitError * 1000.0) > 0.0)
{
SDL_Delay(round(frameLimitError * 1000.0));
double timeBeforeSleep = curtime;
curtime = SDL_GetPerformanceCounter() * perfCountsSec;
frameLimitError -= curtime - timeBeforeSleep;
}
lastTime = curtime;
}
nframes++;
if (nframes >= 30)
{
double time = SDL_GetPerformanceCounter() * perfCountsSec;
double dt = time - lastMeasureTime;
lastMeasureTime = time;
u32 fps = round(nframes / dt);
nframes = 0;
float fpstarget = 1.0/frametimeStep;
winUpdateFreq = fps / (u32)round(fpstarget);
if (winUpdateFreq < 1)
winUpdateFreq = 1;
int inst = Platform::InstanceID();
if (inst == 0)
sprintf(melontitle, "[%d/%.0f] melonDS " MELONDS_VERSION, fps, fpstarget);
else
sprintf(melontitle, "[%d/%.0f] melonDS (%d)", fps, fpstarget, inst+1);
changeWindowTitle(melontitle);
}
}
else
{
// paused
nframes = 0;
lastTime = SDL_GetPerformanceCounter() * perfCountsSec;
lastMeasureTime = lastTime;
emit windowUpdate();
EmuStatus = EmuRunning;
int inst = Platform::InstanceID();
if (inst == 0)
sprintf(melontitle, "melonDS " MELONDS_VERSION);
else
sprintf(melontitle, "melonDS (%d)", inst+1);
changeWindowTitle(melontitle);
SDL_Delay(75);
if (screenGL)
screenGL->drawScreenGL();
ContextRequestKind contextRequest = ContextRequest;
if (contextRequest == contextRequest_InitGL)
{
screenGL = static_cast<ScreenPanelGL*>(mainWindow->panel);
screenGL->initOpenGL();
ContextRequest = contextRequest_None;
}
else if (contextRequest == contextRequest_DeInitGL)
{
screenGL->deinitOpenGL();
screenGL = nullptr;
ContextRequest = contextRequest_None;
}
}
}
file = Platform::OpenLocalFile("rtc.bin", Platform::FileMode::Write);
if (file)
{
RTC::StateData state;
NDS->RTC.GetState(state);
Platform::FileWrite(&state, sizeof(state), 1, file);
Platform::CloseFile(file);
}
EmuStatus = emuStatus_Exit;
NDS::Current = nullptr;
// nds is out of scope, so unique_ptr cleans it up for us
}
void EmuThread::changeWindowTitle(char* title)
{
emit windowTitleChange(QString(title));
}
void EmuThread::emuRun()
{
EmuRunning = emuStatus_Running;
EmuPauseStack = EmuPauseStackRunning;
RunningSomething = true;
// checkme
emit windowEmuStart();
AudioInOut::Enable();
}
void EmuThread::initContext()
{
ContextRequest = contextRequest_InitGL;
while (ContextRequest != contextRequest_None);
}
void EmuThread::deinitContext()
{
ContextRequest = contextRequest_DeInitGL;
while (ContextRequest != contextRequest_None);
}
void EmuThread::emuPause()
{
EmuPauseStack++;
if (EmuPauseStack > EmuPauseStackPauseThreshold) return;
PrevEmuStatus = EmuRunning;
EmuRunning = emuStatus_Paused;
while (EmuStatus != emuStatus_Paused);
AudioInOut::Disable();
}
void EmuThread::emuUnpause()
{
if (EmuPauseStack < EmuPauseStackPauseThreshold) return;
EmuPauseStack--;
if (EmuPauseStack >= EmuPauseStackPauseThreshold) return;
EmuRunning = PrevEmuStatus;
AudioInOut::Enable();
}
void EmuThread::emuStop()
{
EmuRunning = emuStatus_Exit;
EmuPauseStack = EmuPauseStackRunning;
AudioInOut::Disable();
}
void EmuThread::emuFrameStep()
{
if (EmuPauseStack < EmuPauseStackPauseThreshold) emit windowEmuPause();
EmuRunning = emuStatus_FrameStep;
}
bool EmuThread::emuIsRunning()
{
return EmuRunning == emuStatus_Running;
}
bool EmuThread::emuIsActive()
{
return (RunningSomething == 1);
}
/*void EmuThread::drawScreenGL()
{
if (!NDS) return;
int w = windowInfo.surface_width;
int h = windowInfo.surface_height;
float factor = windowInfo.surface_scale;
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glDisable(GL_DEPTH_TEST);
glDepthMask(false);
glDisable(GL_BLEND);
glDisable(GL_SCISSOR_TEST);
glDisable(GL_STENCIL_TEST);
glClear(GL_COLOR_BUFFER_BIT);
glViewport(0, 0, w, h);
glUseProgram(screenShaderProgram[2]);
glUniform2f(screenShaderScreenSizeULoc, w / factor, h / factor);
int frontbuf = FrontBuffer;
glActiveTexture(GL_TEXTURE0);
#ifdef OGLRENDERER_ENABLED
if (NDS->GPU.GetRenderer3D().Accelerated)
{
// hardware-accelerated render
static_cast<GLRenderer&>(NDS->GPU.GetRenderer3D()).GetCompositor().BindOutputTexture(frontbuf);
}
else
#endif
{
// regular render
glBindTexture(GL_TEXTURE_2D, screenTexture);
if (NDS->GPU.Framebuffer[frontbuf][0] && NDS->GPU.Framebuffer[frontbuf][1])
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256, 192, GL_RGBA,
GL_UNSIGNED_BYTE, NDS->GPU.Framebuffer[frontbuf][0].get());
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 192+2, 256, 192, GL_RGBA,
GL_UNSIGNED_BYTE, NDS->GPU.Framebuffer[frontbuf][1].get());
}
}
screenSettingsLock.lock();
GLint filter = this->filter ? GL_LINEAR : GL_NEAREST;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
glBindBuffer(GL_ARRAY_BUFFER, screenVertexBuffer);
glBindVertexArray(screenVertexArray);
for (int i = 0; i < numScreens; i++)
{
glUniformMatrix2x3fv(screenShaderTransformULoc, 1, GL_TRUE, screenMatrix[i]);
glDrawArrays(GL_TRIANGLES, screenKind[i] == 0 ? 0 : 2*3, 2*3);
}
screenSettingsLock.unlock();
OSD::Update();
OSD::DrawGL(w, h);
oglContext->SwapBuffers();
}*/
static bool FileExtensionInList(const QString& filename, const QStringList& extensions, Qt::CaseSensitivity cs = Qt::CaseInsensitive)
{
return std::any_of(extensions.cbegin(), extensions.cend(), [&](const auto& ext) {
return filename.endsWith(ext, cs);
});
}
static bool MimeTypeInList(const QMimeType& mimetype, const QStringList& superTypeNames)
{
return std::any_of(superTypeNames.cbegin(), superTypeNames.cend(), [&](const auto& superTypeName) {
return mimetype.inherits(superTypeName);
});
}
static bool NdsRomByExtension(const QString& filename)
{
return FileExtensionInList(filename, NdsRomExtensions);
}
static bool GbaRomByExtension(const QString& filename)
{
return FileExtensionInList(filename, GbaRomExtensions);
}
static bool SupportedArchiveByExtension(const QString& filename)
{
return FileExtensionInList(filename, ArchiveExtensions);
}
static bool NdsRomByMimetype(const QMimeType& mimetype)
{
return mimetype.inherits(NdsRomMimeType);
}
static bool GbaRomByMimetype(const QMimeType& mimetype)
{
return mimetype.inherits(GbaRomMimeType);
}
static bool SupportedArchiveByMimetype(const QMimeType& mimetype)
{
return MimeTypeInList(mimetype, ArchiveMimeTypes);
}
static bool ZstdNdsRomByExtension(const QString& filename)
{
return filename.endsWith(".zst", Qt::CaseInsensitive) &&
NdsRomByExtension(filename.left(filename.size() - 4));
}
static bool ZstdGbaRomByExtension(const QString& filename)
{
return filename.endsWith(".zst", Qt::CaseInsensitive) &&
GbaRomByExtension(filename.left(filename.size() - 4));
}
static bool FileIsSupportedFiletype(const QString& filename, bool insideArchive = false)
{
if (ZstdNdsRomByExtension(filename) || ZstdGbaRomByExtension(filename))
return true;
if (NdsRomByExtension(filename) || GbaRomByExtension(filename) || SupportedArchiveByExtension(filename))
return true;
const auto matchmode = insideArchive ? QMimeDatabase::MatchExtension : QMimeDatabase::MatchDefault;
const QMimeType mimetype = QMimeDatabase().mimeTypeForFile(filename, matchmode);
return NdsRomByMimetype(mimetype) || GbaRomByMimetype(mimetype) || SupportedArchiveByMimetype(mimetype);
}
void emuStop()
{
RunningSomething = false;
emit emuThread->windowEmuStop();
}
MelonApplication::MelonApplication(int& argc, char** argv)
: QApplication(argc, argv)
{
#if !defined(Q_OS_APPLE)
setWindowIcon(QIcon(":/melon-icon"));
#if defined(Q_OS_UNIX)
setDesktopFileName(QString("net.kuribo64.melonDS"));
#endif
#endif
}
bool MelonApplication::event(QEvent *event)
{
if (event->type() == QEvent::FileOpen)
{
QFileOpenEvent *openEvent = static_cast<QFileOpenEvent*>(event);
emuThread->emuPause();
const QStringList file = mainWindow->splitArchivePath(openEvent->file(), true);
if (!mainWindow->preloadROMs(file, {}, true))
emuThread->emuUnpause();
}
return QApplication::event(event);
}
int main(int argc, char** argv)
{
srand(time(nullptr));
qputenv("QT_SCALE_FACTOR", "1");
printf("melonDS " MELONDS_VERSION "\n");
printf(MELONDS_URL "\n");
// easter egg - not worth checking other cases for something so dumb
if (argc != 0 && (!strcasecmp(argv[0], "derpDS") || !strcasecmp(argv[0], "./derpDS")))
printf("did you just call me a derp???\n");
Platform::Init(argc, argv);
MelonApplication melon(argc, argv);
CLI::CommandLineOptions* options = CLI::ManageArgs(melon);
// http://stackoverflow.com/questions/14543333/joystick-wont-work-using-sdl
SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1");
if (SDL_Init(SDL_INIT_HAPTIC) < 0)
{
printf("SDL couldn't init rumble\n");
}
if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
{
printf("SDL couldn't init joystick\n");
}
if (SDL_Init(SDL_INIT_AUDIO) < 0)
{
const char* err = SDL_GetError();
QString errorStr = "Failed to initialize SDL. This could indicate an issue with your audio driver.\n\nThe error was: ";
errorStr += err;
QMessageBox::critical(NULL, "melonDS", errorStr);
return 1;
}
SDL_JoystickEventState(SDL_ENABLE);
SDL_InitSubSystem(SDL_INIT_VIDEO);
SDL_EnableScreenSaver(); SDL_DisableScreenSaver();
Config::Load();
#define SANITIZE(var, min, max) { var = std::clamp(var, min, max); }
SANITIZE(Config::ConsoleType, 0, 1);
#ifdef OGLRENDERER_ENABLED
SANITIZE(Config::_3DRenderer, 0, 1); // 0 is the software renderer, 1 is the OpenGL renderer
#else
SANITIZE(Config::_3DRenderer, 0, 0);
#endif
SANITIZE(Config::ScreenVSyncInterval, 1, 20);
SANITIZE(Config::GL_ScaleFactor, 1, 16);
SANITIZE(Config::AudioInterp, 0, 3);
SANITIZE(Config::AudioVolume, 0, 256);
SANITIZE(Config::MicInputType, 0, (int)micInputType_MAX);
SANITIZE(Config::ScreenRotation, 0, (int)Frontend::screenRot_MAX);
SANITIZE(Config::ScreenGap, 0, 500);
SANITIZE(Config::ScreenLayout, 0, (int)Frontend::screenLayout_MAX);
SANITIZE(Config::ScreenSizing, 0, (int)Frontend::screenSizing_MAX);
SANITIZE(Config::ScreenAspectTop, 0, AspectRatiosNum);
SANITIZE(Config::ScreenAspectBot, 0, AspectRatiosNum);
#undef SANITIZE
camStarted[0] = false;
camStarted[1] = false;
camManager[0] = new CameraManager(0, 640, 480, true);
camManager[1] = new CameraManager(1, 640, 480, true);
camManager[0]->setXFlip(Config::Camera[0].XFlip);
camManager[1]->setXFlip(Config::Camera[1].XFlip);
Input::JoystickID = Config::JoystickID;
Input::OpenJoystick();
mainWindow = new MainWindow();
if (options->fullscreen)
ToggleFullscreen(mainWindow);
emuThread = new EmuThread();
emuThread->start();
emuThread->emuPause();
AudioInOut::Init(emuThread);
ROMManager::EnableCheats(*emuThread->NDS, Config::EnableCheats != 0);
AudioInOut::AudioMute(mainWindow);
QObject::connect(&melon, &QApplication::applicationStateChanged, mainWindow, &MainWindow::onAppStateChanged);
bool memberSyntaxUsed = false;
const auto prepareRomPath = [&](const std::optional<QString>& romPath, const std::optional<QString>& romArchivePath) -> QStringList
{
if (!romPath.has_value())
return {};
if (romArchivePath.has_value())
return { *romPath, *romArchivePath };
const QStringList path = mainWindow->splitArchivePath(*romPath, true);
if (path.size() > 1) memberSyntaxUsed = true;
return path;
};
const QStringList dsfile = prepareRomPath(options->dsRomPath, options->dsRomArchivePath);
const QStringList gbafile = prepareRomPath(options->gbaRomPath, options->gbaRomArchivePath);
if (memberSyntaxUsed) printf("Warning: use the a.zip|b.nds format at your own risk!\n");
mainWindow->preloadROMs(dsfile, gbafile, options->boot);
int ret = melon.exec();
delete options;
emuThread->emuStop();
emuThread->wait();
delete emuThread;
Input::CloseJoystick();
AudioInOut::DeInit();
delete camManager[0];
delete camManager[1];
Config::Save();
SDL_Quit();
Platform::DeInit();
return ret;
}
#ifdef __WIN32__
#include <windows.h>
int CALLBACK WinMain(HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int cmdshow)
{
int ret = main(__argc, __argv);
printf("\n\n>");
return ret;
}
#endif
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