Files
melonDS/src/wx/main.cpp
2017-05-10 01:42:53 +02:00

665 lines
18 KiB
C++

/*
Copyright 2016-2017 StapleButter
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 "../types.h"
#include "main.h"
#include "../version.h"
#include "../Config.h"
#include "../NDS.h"
#include "../GPU.h"
#include "../SPU.h"
#include "InputConfig.h"
#include "EmuConfig.h"
wxIMPLEMENT_APP_NO_MAIN(wxApp_melonDS);
int main(int argc, char** argv)
{
// http://stackoverflow.com/questions/14543333/joystick-wont-work-using-sdl
SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1");
if (SDL_Init(SDL_INIT_EVERYTHING) < 0)
{
printf("SDL shat itself :(\n");
return 1;
}
int ret = wxEntry(argc, argv);
SDL_Quit();
return ret;
}
#ifdef __WXMSW__
int CALLBACK WinMain(HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int cmdshow)
{
char cmdargs[16][256];
int arg = 0;
int j = 0;
bool inquote = false;
int len = strlen(cmdline);
for (int i = 0; i < len; i++)
{
char c = cmdline[i];
if (c == '\0') break;
if (c == '"') inquote = !inquote;
if (!inquote && c==' ')
{
if (arg < 16) cmdargs[arg][j] = '\0';
arg++;
j = 0;
}
else
{
if (arg < 16 && j < 255) cmdargs[arg][j] = c;
j++;
}
}
if (arg < 16) cmdargs[arg][j] = '\0';
return main(arg, (char**)cmdargs);
}
#endif // __WXMSW__
bool wxApp_melonDS::OnInit()
{
printf("melonDS " MELONDS_VERSION "\n" MELONDS_URL "\n");
Config::Load();
emuthread = new EmuThread();
if (emuthread->Run() != wxTHREAD_NO_ERROR)
{
printf("thread shat itself :( giving up now\n");
delete emuthread;
return false;
}
MainFrame* melon = new MainFrame();
melon->Show(true);
melon->emuthread = emuthread;
emuthread->parent = melon;
return true;
}
int wxApp_melonDS::OnExit()
{
emuthread->Wait();
delete emuthread;
return wxApp::OnExit();
}
wxBEGIN_EVENT_TABLE(MainFrame, wxFrame)
EVT_CLOSE(MainFrame::OnClose)
EVT_MENU(ID_OPENROM, MainFrame::OnOpenROM)
EVT_MENU(ID_EXIT, MainFrame::OnCloseFromMenu)
EVT_MENU(ID_RUN, MainFrame::OnRun)
EVT_MENU(ID_PAUSE, MainFrame::OnPause)
EVT_MENU(ID_RESET, MainFrame::OnReset)
EVT_MENU(ID_EMUCONFIG, MainFrame::OnEmuConfig)
EVT_MENU(ID_INPUTCONFIG, MainFrame::OnInputConfig)
wxEND_EVENT_TABLE()
MainFrame::MainFrame()
: wxFrame(NULL, wxID_ANY, "melonDS " MELONDS_VERSION)
{
wxMenu* filemenu = new wxMenu();
filemenu->Append(ID_OPENROM, "Open ROM...");
filemenu->AppendSeparator();
filemenu->Append(ID_EXIT, "Quit");
wxMenu* systemmenu = new wxMenu();
systemmenu->Append(ID_RUN, "Run");
systemmenu->AppendCheckItem(ID_PAUSE, "Pause");
systemmenu->AppendSeparator();
systemmenu->Append(ID_RESET, "Reset");
wxMenu* settingsmenu = new wxMenu();
settingsmenu->Append(ID_EMUCONFIG, "Emulation");
settingsmenu->Append(ID_INPUTCONFIG, "Input");
wxMenuBar* melonbar = new wxMenuBar();
melonbar->Append(filemenu, "File");
melonbar->Append(systemmenu, "System");
melonbar->Append(settingsmenu, "Settings");
SetMenuBar(melonbar);
SetClientSize(256, 256);
SetMinSize(GetSize());
NDS::Init();
rompath = wxEmptyString;
GetMenuBar()->Enable(ID_PAUSE, false);
GetMenuBar()->Enable(ID_RESET, false);
joy = NULL;
joyid = -1;
}
void MainFrame::OnClose(wxCloseEvent& event)
{
emuthread->EmuPause();
emuthread->EmuExit();
NDS::DeInit();
if (joy)
{
SDL_JoystickClose(joy);
joy = NULL;
joyid = -1;
}
Destroy();
emuthread->parent = NULL;
Config::Save();
}
void MainFrame::OnCloseFromMenu(wxCommandEvent& event)
{
Close();
}
void MainFrame::OnOpenROM(wxCommandEvent& event)
{
wxFileDialog opener(this, _("Open ROM"), "", "", "DS ROM (*.nds)|*.nds;*.srl|Any file|*.*", wxFD_OPEN|wxFD_FILE_MUST_EXIST);
if (opener.ShowModal() == wxID_CANCEL)
return;
emuthread->EmuPause();
rompath = opener.GetPath();
NDS::LoadROM(rompath.mb_str(), Config::DirectBoot);
emuthread->EmuRun();
GetMenuBar()->Enable(ID_PAUSE, true);
GetMenuBar()->Check(ID_PAUSE, false);
GetMenuBar()->Enable(ID_RESET, true);
if (!joy)
{
if (SDL_NumJoysticks() > 0)
{
joy = SDL_JoystickOpen(0);
joyid = SDL_JoystickInstanceID(joy);
}
}
}
void MainFrame::OnRun(wxCommandEvent& event)
{
// TODO: reduce duplicate code
if (!emuthread->EmuIsRunning())
{
NDS::LoadBIOS();
}
emuthread->EmuRun();
GetMenuBar()->Enable(ID_PAUSE, true);
GetMenuBar()->Check(ID_PAUSE, false);
GetMenuBar()->Enable(ID_RESET, true);
if (!joy)
{
if (SDL_NumJoysticks() > 0)
{
joy = SDL_JoystickOpen(0);
joyid = SDL_JoystickInstanceID(joy);
}
}
}
void MainFrame::OnPause(wxCommandEvent& event)
{
if (!emuthread->EmuIsPaused())
{
emuthread->EmuPause();
GetMenuBar()->Check(ID_PAUSE, true);
}
else
{
emuthread->EmuRun();
GetMenuBar()->Check(ID_PAUSE, false);
}
}
void MainFrame::OnReset(wxCommandEvent& event)
{
emuthread->EmuPause();
if (!rompath.IsEmpty())
NDS::LoadROM(rompath.mb_str(), Config::DirectBoot);
else
NDS::LoadBIOS();
emuthread->EmuRun();
GetMenuBar()->Enable(ID_PAUSE, true);
GetMenuBar()->Check(ID_PAUSE, false);
GetMenuBar()->Enable(ID_RESET, true);
if (!joy)
{
if (SDL_NumJoysticks() > 0)
{
joy = SDL_JoystickOpen(0);
joyid = SDL_JoystickInstanceID(joy);
}
}
}
void MainFrame::OnEmuConfig(wxCommandEvent& event)
{
EmuConfigDialog dlg(this);
dlg.ShowModal();
}
void MainFrame::OnInputConfig(wxCommandEvent& event)
{
if (joy)
{
SDL_JoystickClose(joy);
joy = NULL;
joyid = -1;
}
InputConfigDialog dlg(this);
dlg.ShowModal();
if (SDL_NumJoysticks() > 0)
{
joy = SDL_JoystickOpen(0);
joyid = SDL_JoystickInstanceID(joy);
}
}
EmuThread::EmuThread()
: wxThread(wxTHREAD_JOINABLE)
{
}
EmuThread::~EmuThread()
{
}
static void AudioCallback(void* data, Uint8* stream, int len)
{
SPU::ReadOutput((s16*)stream, len>>2);
}
wxThread::ExitCode EmuThread::Entry()
{
emustatus = 3;
emupaused = false;
sdlwin = SDL_CreateWindow("melonDS " MELONDS_VERSION,
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
Config::WindowWidth, Config::WindowHeight,
SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
SDL_SetWindowMinimumSize(sdlwin, 256, 384);
sdlrend = SDL_CreateRenderer(sdlwin, -1, SDL_RENDERER_ACCELERATED);// | SDL_RENDERER_PRESENTVSYNC);
sdltex = SDL_CreateTexture(sdlrend, SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_STREAMING, 256, 384);
SDL_SetRenderDrawColor(sdlrend, 0, 0, 0, 255);
SDL_LockTexture(sdltex, NULL, &texpixels, &texstride);
memset(texpixels, 0, texstride*384);
SDL_UnlockTexture(sdltex);
topsrc.x = 0; topsrc.y = 0;
topsrc.w = 256; topsrc.h = 192;
botsrc.x = 0; botsrc.y = 192;
botsrc.w = 256; botsrc.h = 192;
topdst.x = 0; topdst.y = 0;
topdst.w = 256; topdst.h = 192;
botdst.x = 0; botdst.y = 192;
botdst.w = 256; botdst.h = 192;
SDL_AudioSpec whatIwant, whatIget;
memset(&whatIwant, 0, sizeof(SDL_AudioSpec));
whatIwant.freq = 32824; // 32823.6328125
whatIwant.format = AUDIO_S16LSB;
whatIwant.channels = 2;
whatIwant.samples = 1024;
whatIwant.callback = AudioCallback;
audio = SDL_OpenAudioDevice(NULL, 0, &whatIwant, &whatIget, 0);
if (!audio)
{
printf("Audio init failed: %s\n", SDL_GetError());
}
else
{
SDL_PauseAudioDevice(audio, 0);
}
Touching = false;
axismask = 0;
u32 nframes = 0;
u32 starttick = SDL_GetTicks();
u32 lasttick = starttick;
u32 lastmeasuretick = lasttick;
u32 fpslimitcount = 0;
for (;;)
{
if (emustatus == 0) break;
ProcessEvents();
if (emustatus == 0) break;
if (emustatus == 1)
{
NDS::RunFrame();
SDL_LockTexture(sdltex, NULL, &texpixels, &texstride);
if (texstride == 256*4)
{
memcpy(texpixels, GPU::Framebuffer, 256*384*4);
}
else
{
int dsty = 0;
for (int y = 0; y < 256*384; y+=256)
{
memcpy(&((u8*)texpixels)[dsty], &GPU::Framebuffer[y], 256*4);
dsty += texstride;
}
}
SDL_UnlockTexture(sdltex);
SDL_RenderClear(sdlrend);
SDL_RenderCopy(sdlrend, sdltex, &topsrc, &topdst);
SDL_RenderCopy(sdlrend, sdltex, &botsrc, &botdst);
SDL_RenderPresent(sdlrend);
// framerate limiter based off SDL2_gfx
float framerate = 1000.0f / 60.0f;
fpslimitcount++;
u32 curtick = SDL_GetTicks();
u32 delay = curtick - lasttick;
lasttick = curtick;
u32 wantedtick = starttick + (u32)((float)fpslimitcount * framerate);
if (curtick < wantedtick)
{
Sleep(wantedtick - curtick);
}
else
{
fpslimitcount = 0;
starttick = curtick;
}
nframes++;
if (nframes >= 30)
{
u32 tick = SDL_GetTicks();
u32 diff = tick - lastmeasuretick;
lastmeasuretick = tick;
u32 fps = (nframes * 1000) / diff;
nframes = 0;
char melontitle[100];
sprintf(melontitle, "%d FPS - melonDS " MELONDS_VERSION, fps);
SDL_SetWindowTitle(sdlwin, melontitle);
}
}
else
{
nframes = 0;
lasttick = SDL_GetTicks();
starttick = lasttick;
lastmeasuretick = lasttick;
fpslimitcount = 0;
Sleep(50);
SDL_RenderCopy(sdlrend, sdltex, NULL, NULL);
SDL_RenderPresent(sdlrend);
if (emustatus == 2)
{
char* melontitle = "Paused - melonDS " MELONDS_VERSION;
SDL_SetWindowTitle(sdlwin, melontitle);
}
emupaused = true;
}
}
emupaused = true;
if (audio) SDL_CloseAudioDevice(audio);
SDL_DestroyTexture(sdltex);
SDL_DestroyRenderer(sdlrend);
SDL_DestroyWindow(sdlwin);
return (wxThread::ExitCode)0;
}
void EmuThread::ProcessEvents()
{
bool running = (emustatus == 1);
SDL_Event evt;
while (SDL_PollEvent(&evt))
{
switch (evt.type)
{
case SDL_WINDOWEVENT:
if (evt.window.event == SDL_WINDOWEVENT_CLOSE)
{
if (parent) parent->Close();
EmuExit();
return;
}
if (evt.window.event != SDL_WINDOWEVENT_EXPOSED)
{
if (evt.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)
{
int w = evt.window.data1;
int h = evt.window.data2;
// SDL_SetWindowMinimumSize() doesn't seem to work on Linux. oh well
if ((w < 256) || (h < 384))
{
if (w < 256) w = 256;
if (h < 384) h = 384;
SDL_SetWindowSize(sdlwin, w, h);
}
int ratio = (w * 384) / h;
if (ratio > 256)
{
// borders on the sides
int screenw = (4 * (h/2)) / 3;
int gap = (w - screenw) / 2;
topdst.x = gap; topdst.y = 0;
topdst.w = screenw; topdst.h = h/2;
botdst.x = gap; botdst.y = h/2;
botdst.w = screenw; botdst.h = h/2;
}
else
{
// separator
int screenh = (3 * w) / 4;
int gap = h - (screenh*2);
topdst.x = 0; topdst.y = 0;
topdst.w = w; topdst.h = screenh;
botdst.x = 0; botdst.y = screenh + gap;
botdst.w = w; botdst.h = screenh;
}
Config::WindowWidth = w;
Config::WindowHeight = h;
}
}
break;
case SDL_MOUSEBUTTONDOWN:
if (!running) return;
if (evt.button.button == SDL_BUTTON_LEFT)
{
if (evt.button.x >= botdst.x && evt.button.x < (botdst.x+botdst.w) &&
evt.button.y >= botdst.y && evt.button.y < (botdst.y+botdst.h))
{
Touching = true;
NDS::PressKey(16+6);
int mx, my;
SDL_GetGlobalMouseState(&mx, &my);
txoffset = mx - evt.button.x;
tyoffset = my - evt.button.y;
}
}
break;
case SDL_KEYDOWN:
if (!running) return;
for (int i = 0; i < 10; i++)
if (evt.key.keysym.scancode == Config::KeyMapping[i]) NDS::PressKey(i);
if (evt.key.keysym.scancode == Config::KeyMapping[10]) NDS::PressKey(16);
if (evt.key.keysym.scancode == Config::KeyMapping[11]) NDS::PressKey(17);
if (evt.key.keysym.scancode == SDL_SCANCODE_F12) NDS::debug(0);
break;
case SDL_KEYUP:
if (!running) return;
for (int i = 0; i < 10; i++)
if (evt.key.keysym.scancode == Config::KeyMapping[i]) NDS::ReleaseKey(i);
if (evt.key.keysym.scancode == Config::KeyMapping[10]) NDS::ReleaseKey(16);
if (evt.key.keysym.scancode == Config::KeyMapping[11]) NDS::ReleaseKey(17);
break;
case SDL_JOYBUTTONDOWN:
if (!running) return;
if (evt.jbutton.which != parent->joyid) return;
for (int i = 0; i < 10; i++)
if (evt.jbutton.button == Config::JoyMapping[i]) NDS::PressKey(i);
if (evt.jbutton.button == Config::JoyMapping[10]) NDS::PressKey(16);
if (evt.jbutton.button == Config::JoyMapping[11]) NDS::PressKey(17);
break;
case SDL_JOYBUTTONUP:
if (!running) return;
if (evt.jbutton.which != parent->joyid) return;
for (int i = 0; i < 10; i++)
if (evt.jbutton.button == Config::JoyMapping[i]) NDS::ReleaseKey(i);
if (evt.jbutton.button == Config::JoyMapping[10]) NDS::ReleaseKey(16);
if (evt.jbutton.button == Config::JoyMapping[11]) NDS::ReleaseKey(17);
break;
case SDL_JOYHATMOTION:
if (!running) return;
if (evt.jhat.which != parent->joyid) return;
if (evt.jhat.hat != 0) return;
for (int i = 0; i < 12; i++)
{
int j = (i >= 10) ? (i+6) : i;
if (Config::JoyMapping[i] == 0x101)
(evt.jhat.value & SDL_HAT_UP) ? NDS::PressKey(j) : NDS::ReleaseKey(j);
else if (Config::JoyMapping[i] == 0x102)
(evt.jhat.value & SDL_HAT_RIGHT) ? NDS::PressKey(j) : NDS::ReleaseKey(j);
else if (Config::JoyMapping[i] == 0x104)
(evt.jhat.value & SDL_HAT_DOWN) ? NDS::PressKey(j) : NDS::ReleaseKey(j);
else if (Config::JoyMapping[i] == 0x108)
(evt.jhat.value & SDL_HAT_LEFT) ? NDS::PressKey(j) : NDS::ReleaseKey(j);
}
break;
case SDL_JOYAXISMOTION:
if (!running) return;
if (evt.jaxis.which != parent->joyid) return;
if (evt.jaxis.axis == 0)
{
if (evt.jaxis.value >= 16384) { NDS::PressKey(4); axismask |= 0x1; }
else if (axismask & 0x1) { NDS::ReleaseKey(4); axismask &= ~0x1; }
if (evt.jaxis.value <= -16384) { NDS::PressKey(5); axismask |= 0x2; }
else if (axismask & 0x2) { NDS::ReleaseKey(5); axismask &= ~0x2; }
}
else if (evt.jaxis.axis == 1)
{
if (evt.jaxis.value >= 16384) { NDS::PressKey(7); axismask |= 0x4; }
else if (axismask & 0x4) { NDS::ReleaseKey(7); axismask &= ~0x4; }
if (evt.jaxis.value <= -16384) { NDS::PressKey(6); axismask |= 0x8; }
else if (axismask & 0x8) { NDS::ReleaseKey(6); axismask &= ~0x8; }
}
break;
}
}
if (Touching && running)
{
int mx, my;
u32 btn = SDL_GetGlobalMouseState(&mx, &my);
if (!(btn & SDL_BUTTON(SDL_BUTTON_LEFT)))
{
Touching = false;
NDS::ReleaseKey(16+6);
NDS::ReleaseScreen();
}
else
{
mx -= (txoffset + botdst.x);
my -= (tyoffset + botdst.y);
if (botdst.w != 256) mx = (mx * 256) / botdst.w;
if (botdst.h != 192) my = (my * 192) / botdst.h;
if (mx < 0) mx = 0;
else if (mx > 255) mx = 255;
if (my < 0) my = 0;
else if (my > 191) my = 191;
NDS::TouchScreen(mx, my);
}
}
}