Files
melonDS/src/wx/main.cpp
2017-03-25 05:04:15 +01:00

385 lines
9.5 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 "InputConfig.h"
bool Touching;
int WindowX, WindowY;
int WindowW, WindowH;
wxIMPLEMENT_APP(wxApp_melonDS);
bool wxApp_melonDS::OnInit()
{
// 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;
}
printf("melonDS " MELONDS_VERSION "\n" MELONDS_URL "\n");
Config::Load();
MainFrame* melon = new MainFrame();
melon->Show(true);
return true;
}
wxBEGIN_EVENT_TABLE(MainFrame, wxFrame)
EVT_CLOSE(MainFrame::OnClose)
EVT_MENU(ID_OPENROM, MainFrame::OnOpenROM)
EVT_MENU(ID_EXIT, MainFrame::OnCloseFromMenu)
EVT_MENU(ID_INPUTCONFIG, MainFrame::OnInputConfig)
EVT_PAINT(MainFrame::OnPaint)
EVT_IDLE(MainFrame::OnIdle)
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->Append(ID_PAUSE, "Pause");
systemmenu->AppendSeparator();
systemmenu->Append(ID_RESET, "Reset");
wxMenu* settingsmenu = new wxMenu();
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, 384);
SetMinSize(GetSize());
emustatus = 2;
emustatuschangemutex = new wxMutex();
emustatuschange = new wxCondition(*emustatuschangemutex);
emustopmutex = new wxMutex();
emustop = new wxCondition(*emustopmutex);
emustopmutex->Lock();
emuthread = new EmuThread(this);
if (emuthread->Run() != wxTHREAD_NO_ERROR)
{
printf("thread shat itself :( giving up now\n");
delete emuthread;
return;
}
sdlwin = SDL_CreateWindowFrom(GetHandle());
sdlrend = SDL_CreateRenderer(sdlwin, -1, SDL_RENDERER_ACCELERATED);// | SDL_RENDERER_PRESENTVSYNC);
sdltex = SDL_CreateTexture(sdlrend, SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_STREAMING, 256, 384);
texmutex = new wxMutex();
SDL_LockTexture(sdltex, NULL, &texpixels, &texstride);
texmutex->Unlock();
NDS::Init();
Touching = false;
SDL_GetWindowPosition(sdlwin, &WindowX, &WindowY);
SDL_GetWindowSize(sdlwin, &WindowW, &WindowH);
}
void MainFrame::OnClose(wxCloseEvent& event)
{
if (emustatus == 1)
{
emustatus = 0;
emustop->Wait();
}
else
{
emustatus = 0;
emustatuschangemutex->Lock();
emustatuschange->Signal();
emustatuschangemutex->Unlock();
}
emuthread->Wait();
delete emuthread;
delete emustatuschange;
delete emustatuschangemutex;
delete emustop;
delete emustopmutex;
NDS::DeInit();
SDL_UnlockTexture(sdltex);
delete texmutex;
SDL_DestroyTexture(sdltex);
SDL_DestroyRenderer(sdlrend);
SDL_DestroyWindow(sdlwin);
SDL_Quit();
Destroy();
}
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;
if (emustatus == 1)
{
emustatus = 2;
emustop->Wait();
}
wxString filename = opener.GetPath();
NDS::LoadROM(filename.mb_str(), true);
emustatus = 1;
emustatuschangemutex->Lock();
emustatuschange->Signal();
emustatuschangemutex->Unlock();
}
void MainFrame::OnInputConfig(wxCommandEvent& event)
{
InputConfigDialog dlg(this);
dlg.ShowModal();
}
void MainFrame::ProcessSDLEvents()
{
bool running = (emustatus == 1);
SDL_Event evt;
while (SDL_PollEvent(&evt))
{
switch (evt.type)
{
case SDL_WINDOWEVENT:
if (evt.window.event != SDL_WINDOWEVENT_EXPOSED)
{
SDL_GetWindowPosition(sdlwin, &WindowX, &WindowY);
SDL_GetWindowSize(sdlwin, &WindowW, &WindowH);
}
break;
case SDL_MOUSEBUTTONDOWN:
if (!running) return;
if (evt.button.y >= 192 && evt.button.button == SDL_BUTTON_LEFT)
{
Touching = true;
NDS::PressKey(16+6);
}
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);
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:
printf("button %d %d\n", evt.jbutton.which, evt.jbutton.button);
break;
}
}
if (Touching)
{
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 -= WindowX;
my -= (WindowY + 192);
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);
}
}
}
void MainFrame::OnPaint(wxPaintEvent& event)
{
wxPaintDC dc(this);
texmutex->Lock();
SDL_UnlockTexture(sdltex);
//SDL_RenderClear(sdlrend);
SDL_RenderCopy(sdlrend, sdltex, NULL, NULL);
SDL_RenderPresent(sdlrend);
SDL_LockTexture(sdltex, NULL, &texpixels, &texstride);
texmutex->Unlock();
ProcessSDLEvents();
}
void MainFrame::OnIdle(wxIdleEvent& event)
{
ProcessSDLEvents();
}
EmuThread::EmuThread(MainFrame* parent)
: wxThread(wxTHREAD_JOINABLE)
{
this->parent = parent;
}
EmuThread::~EmuThread()
{
}
wxThread::ExitCode EmuThread::Entry()
{
parent->emustatuschangemutex->Lock();
for (;;)
{
parent->emustatuschange->Wait();
if (parent->emustatus == 1)
{
u32 nframes = 0;
u32 lasttick = SDL_GetTicks();
u32 fpslimitcount = 0;
while (parent->emustatus == 1)
{
u32 starttick = SDL_GetTicks();
NDS::RunFrame();
parent->texmutex->Lock();
if (parent->texstride == 256*4)
{
memcpy(parent->texpixels, GPU::Framebuffer, 256*384*4);
}
else
{
int dsty = 0;
for (int y = 0; y < 256*384; y+=256)
{
memcpy(&((u8*)parent->texpixels)[dsty], &GPU::Framebuffer[y], 256*4);
dsty += parent->texstride;
}
}
parent->texmutex->Unlock();
parent->Refresh();
fpslimitcount++;
if (fpslimitcount >= 3) fpslimitcount = 0;
u32 frametime = (fpslimitcount == 0) ? 16 : 17;
u32 endtick = SDL_GetTicks();
u32 diff = endtick - starttick;
if (diff < frametime)
Sleep(frametime - diff);
nframes++;
if (nframes >= 30)
{
u32 tick = SDL_GetTicks();
u32 diff = tick - lasttick;
lasttick = tick;
u32 fps = (nframes * 1000) / diff;
nframes = 0;
char melontitle[100];
sprintf(melontitle, "%d FPS - melonDS " MELONDS_VERSION, fps);
parent->SetTitle(melontitle);
}
}
parent->emustopmutex->Lock();
parent->emustop->Signal();
parent->emustopmutex->Unlock();
}
if (parent->emustatus == 0)
break;
}
return (wxThread::ExitCode)0;
}