mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-23 14:19:55 -06:00
665 lines
18 KiB
C++
665 lines
18 KiB
C++
/*
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Copyright 2016-2017 StapleButter
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This file is part of melonDS.
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melonDS is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with melonDS. If not, see http://www.gnu.org/licenses/.
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*/
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#include "../types.h"
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#include "main.h"
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#include "../version.h"
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#include "../Config.h"
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#include "../NDS.h"
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#include "../GPU.h"
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#include "../SPU.h"
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#include "InputConfig.h"
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#include "EmuConfig.h"
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wxIMPLEMENT_APP_NO_MAIN(wxApp_melonDS);
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int main(int argc, char** argv)
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{
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// http://stackoverflow.com/questions/14543333/joystick-wont-work-using-sdl
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SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1");
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if (SDL_Init(SDL_INIT_EVERYTHING) < 0)
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{
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printf("SDL shat itself :(\n");
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return 1;
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}
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int ret = wxEntry(argc, argv);
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SDL_Quit();
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return ret;
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}
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#ifdef __WXMSW__
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int CALLBACK WinMain(HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int cmdshow)
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{
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char cmdargs[16][256];
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int arg = 0;
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int j = 0;
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bool inquote = false;
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int len = strlen(cmdline);
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for (int i = 0; i < len; i++)
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{
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char c = cmdline[i];
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if (c == '\0') break;
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if (c == '"') inquote = !inquote;
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if (!inquote && c==' ')
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{
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if (arg < 16) cmdargs[arg][j] = '\0';
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arg++;
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j = 0;
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}
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else
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{
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if (arg < 16 && j < 255) cmdargs[arg][j] = c;
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j++;
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}
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}
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if (arg < 16) cmdargs[arg][j] = '\0';
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return main(arg, (char**)cmdargs);
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}
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#endif // __WXMSW__
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bool wxApp_melonDS::OnInit()
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{
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printf("melonDS " MELONDS_VERSION "\n" MELONDS_URL "\n");
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Config::Load();
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emuthread = new EmuThread();
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if (emuthread->Run() != wxTHREAD_NO_ERROR)
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{
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printf("thread shat itself :( giving up now\n");
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delete emuthread;
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return false;
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}
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MainFrame* melon = new MainFrame();
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melon->Show(true);
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melon->emuthread = emuthread;
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emuthread->parent = melon;
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return true;
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}
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int wxApp_melonDS::OnExit()
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{
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emuthread->Wait();
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delete emuthread;
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return wxApp::OnExit();
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}
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wxBEGIN_EVENT_TABLE(MainFrame, wxFrame)
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EVT_CLOSE(MainFrame::OnClose)
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EVT_MENU(ID_OPENROM, MainFrame::OnOpenROM)
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EVT_MENU(ID_EXIT, MainFrame::OnCloseFromMenu)
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EVT_MENU(ID_RUN, MainFrame::OnRun)
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EVT_MENU(ID_PAUSE, MainFrame::OnPause)
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EVT_MENU(ID_RESET, MainFrame::OnReset)
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EVT_MENU(ID_EMUCONFIG, MainFrame::OnEmuConfig)
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EVT_MENU(ID_INPUTCONFIG, MainFrame::OnInputConfig)
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wxEND_EVENT_TABLE()
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MainFrame::MainFrame()
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: wxFrame(NULL, wxID_ANY, "melonDS " MELONDS_VERSION)
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{
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wxMenu* filemenu = new wxMenu();
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filemenu->Append(ID_OPENROM, "Open ROM...");
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filemenu->AppendSeparator();
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filemenu->Append(ID_EXIT, "Quit");
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wxMenu* systemmenu = new wxMenu();
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systemmenu->Append(ID_RUN, "Run");
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systemmenu->AppendCheckItem(ID_PAUSE, "Pause");
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systemmenu->AppendSeparator();
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systemmenu->Append(ID_RESET, "Reset");
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wxMenu* settingsmenu = new wxMenu();
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settingsmenu->Append(ID_EMUCONFIG, "Emulation");
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settingsmenu->Append(ID_INPUTCONFIG, "Input");
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wxMenuBar* melonbar = new wxMenuBar();
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melonbar->Append(filemenu, "File");
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melonbar->Append(systemmenu, "System");
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melonbar->Append(settingsmenu, "Settings");
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SetMenuBar(melonbar);
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SetClientSize(256, 256);
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SetMinSize(GetSize());
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NDS::Init();
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rompath = wxEmptyString;
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GetMenuBar()->Enable(ID_PAUSE, false);
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GetMenuBar()->Enable(ID_RESET, false);
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joy = NULL;
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joyid = -1;
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}
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void MainFrame::OnClose(wxCloseEvent& event)
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{
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emuthread->EmuPause();
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emuthread->EmuExit();
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NDS::DeInit();
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if (joy)
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{
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SDL_JoystickClose(joy);
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joy = NULL;
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joyid = -1;
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}
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Destroy();
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emuthread->parent = NULL;
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Config::Save();
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}
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void MainFrame::OnCloseFromMenu(wxCommandEvent& event)
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{
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Close();
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}
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void MainFrame::OnOpenROM(wxCommandEvent& event)
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{
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wxFileDialog opener(this, _("Open ROM"), "", "", "DS ROM (*.nds)|*.nds;*.srl|Any file|*.*", wxFD_OPEN|wxFD_FILE_MUST_EXIST);
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if (opener.ShowModal() == wxID_CANCEL)
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return;
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emuthread->EmuPause();
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rompath = opener.GetPath();
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NDS::LoadROM(rompath.mb_str(), Config::DirectBoot);
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emuthread->EmuRun();
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GetMenuBar()->Enable(ID_PAUSE, true);
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GetMenuBar()->Check(ID_PAUSE, false);
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GetMenuBar()->Enable(ID_RESET, true);
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if (!joy)
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{
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if (SDL_NumJoysticks() > 0)
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{
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joy = SDL_JoystickOpen(0);
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joyid = SDL_JoystickInstanceID(joy);
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}
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}
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}
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void MainFrame::OnRun(wxCommandEvent& event)
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{
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// TODO: reduce duplicate code
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if (!emuthread->EmuIsRunning())
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{
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NDS::LoadBIOS();
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}
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emuthread->EmuRun();
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GetMenuBar()->Enable(ID_PAUSE, true);
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GetMenuBar()->Check(ID_PAUSE, false);
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GetMenuBar()->Enable(ID_RESET, true);
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if (!joy)
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{
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if (SDL_NumJoysticks() > 0)
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{
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joy = SDL_JoystickOpen(0);
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joyid = SDL_JoystickInstanceID(joy);
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}
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}
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}
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void MainFrame::OnPause(wxCommandEvent& event)
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{
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if (!emuthread->EmuIsPaused())
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{
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emuthread->EmuPause();
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GetMenuBar()->Check(ID_PAUSE, true);
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}
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else
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{
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emuthread->EmuRun();
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GetMenuBar()->Check(ID_PAUSE, false);
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}
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}
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void MainFrame::OnReset(wxCommandEvent& event)
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{
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emuthread->EmuPause();
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if (!rompath.IsEmpty())
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NDS::LoadROM(rompath.mb_str(), Config::DirectBoot);
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else
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NDS::LoadBIOS();
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emuthread->EmuRun();
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GetMenuBar()->Enable(ID_PAUSE, true);
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GetMenuBar()->Check(ID_PAUSE, false);
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GetMenuBar()->Enable(ID_RESET, true);
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if (!joy)
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{
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if (SDL_NumJoysticks() > 0)
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{
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joy = SDL_JoystickOpen(0);
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joyid = SDL_JoystickInstanceID(joy);
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}
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}
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}
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void MainFrame::OnEmuConfig(wxCommandEvent& event)
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{
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EmuConfigDialog dlg(this);
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dlg.ShowModal();
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}
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void MainFrame::OnInputConfig(wxCommandEvent& event)
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{
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if (joy)
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{
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SDL_JoystickClose(joy);
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joy = NULL;
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joyid = -1;
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}
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InputConfigDialog dlg(this);
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dlg.ShowModal();
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if (SDL_NumJoysticks() > 0)
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{
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joy = SDL_JoystickOpen(0);
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joyid = SDL_JoystickInstanceID(joy);
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}
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}
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EmuThread::EmuThread()
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: wxThread(wxTHREAD_JOINABLE)
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{
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}
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EmuThread::~EmuThread()
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{
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}
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static void AudioCallback(void* data, Uint8* stream, int len)
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{
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SPU::ReadOutput((s16*)stream, len>>2);
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}
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wxThread::ExitCode EmuThread::Entry()
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{
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emustatus = 3;
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emupaused = false;
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sdlwin = SDL_CreateWindow("melonDS " MELONDS_VERSION,
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SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
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Config::WindowWidth, Config::WindowHeight,
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SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
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SDL_SetWindowMinimumSize(sdlwin, 256, 384);
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sdlrend = SDL_CreateRenderer(sdlwin, -1, SDL_RENDERER_ACCELERATED);// | SDL_RENDERER_PRESENTVSYNC);
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sdltex = SDL_CreateTexture(sdlrend, SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_STREAMING, 256, 384);
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SDL_SetRenderDrawColor(sdlrend, 0, 0, 0, 255);
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SDL_LockTexture(sdltex, NULL, &texpixels, &texstride);
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memset(texpixels, 0, texstride*384);
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SDL_UnlockTexture(sdltex);
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topsrc.x = 0; topsrc.y = 0;
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topsrc.w = 256; topsrc.h = 192;
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botsrc.x = 0; botsrc.y = 192;
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botsrc.w = 256; botsrc.h = 192;
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topdst.x = 0; topdst.y = 0;
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topdst.w = 256; topdst.h = 192;
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botdst.x = 0; botdst.y = 192;
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botdst.w = 256; botdst.h = 192;
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SDL_AudioSpec whatIwant, whatIget;
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memset(&whatIwant, 0, sizeof(SDL_AudioSpec));
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whatIwant.freq = 32824; // 32823.6328125
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whatIwant.format = AUDIO_S16LSB;
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whatIwant.channels = 2;
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whatIwant.samples = 1024;
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whatIwant.callback = AudioCallback;
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audio = SDL_OpenAudioDevice(NULL, 0, &whatIwant, &whatIget, 0);
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if (!audio)
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{
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printf("Audio init failed: %s\n", SDL_GetError());
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}
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else
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{
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SDL_PauseAudioDevice(audio, 0);
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}
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Touching = false;
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axismask = 0;
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u32 nframes = 0;
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u32 starttick = SDL_GetTicks();
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u32 lasttick = starttick;
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u32 lastmeasuretick = lasttick;
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u32 fpslimitcount = 0;
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for (;;)
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{
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if (emustatus == 0) break;
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ProcessEvents();
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if (emustatus == 0) break;
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if (emustatus == 1)
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{
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NDS::RunFrame();
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SDL_LockTexture(sdltex, NULL, &texpixels, &texstride);
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if (texstride == 256*4)
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{
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memcpy(texpixels, GPU::Framebuffer, 256*384*4);
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}
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else
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{
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int dsty = 0;
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for (int y = 0; y < 256*384; y+=256)
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{
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memcpy(&((u8*)texpixels)[dsty], &GPU::Framebuffer[y], 256*4);
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dsty += texstride;
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}
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}
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SDL_UnlockTexture(sdltex);
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SDL_RenderClear(sdlrend);
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SDL_RenderCopy(sdlrend, sdltex, &topsrc, &topdst);
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SDL_RenderCopy(sdlrend, sdltex, &botsrc, &botdst);
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SDL_RenderPresent(sdlrend);
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// framerate limiter based off SDL2_gfx
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float framerate = 1000.0f / 60.0f;
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fpslimitcount++;
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u32 curtick = SDL_GetTicks();
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u32 delay = curtick - lasttick;
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lasttick = curtick;
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u32 wantedtick = starttick + (u32)((float)fpslimitcount * framerate);
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if (curtick < wantedtick)
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{
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Sleep(wantedtick - curtick);
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}
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else
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{
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fpslimitcount = 0;
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starttick = curtick;
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}
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nframes++;
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if (nframes >= 30)
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{
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u32 tick = SDL_GetTicks();
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u32 diff = tick - lastmeasuretick;
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lastmeasuretick = tick;
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u32 fps = (nframes * 1000) / diff;
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nframes = 0;
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char melontitle[100];
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sprintf(melontitle, "%d FPS - melonDS " MELONDS_VERSION, fps);
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SDL_SetWindowTitle(sdlwin, melontitle);
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}
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}
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else
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{
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nframes = 0;
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lasttick = SDL_GetTicks();
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starttick = lasttick;
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lastmeasuretick = lasttick;
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fpslimitcount = 0;
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Sleep(50);
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SDL_RenderCopy(sdlrend, sdltex, NULL, NULL);
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SDL_RenderPresent(sdlrend);
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if (emustatus == 2)
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{
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char* melontitle = "Paused - melonDS " MELONDS_VERSION;
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SDL_SetWindowTitle(sdlwin, melontitle);
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}
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emupaused = true;
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}
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}
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emupaused = true;
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if (audio) SDL_CloseAudioDevice(audio);
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SDL_DestroyTexture(sdltex);
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SDL_DestroyRenderer(sdlrend);
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SDL_DestroyWindow(sdlwin);
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return (wxThread::ExitCode)0;
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}
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void EmuThread::ProcessEvents()
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{
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bool running = (emustatus == 1);
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SDL_Event evt;
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while (SDL_PollEvent(&evt))
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{
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switch (evt.type)
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{
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case SDL_WINDOWEVENT:
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if (evt.window.event == SDL_WINDOWEVENT_CLOSE)
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{
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if (parent) parent->Close();
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EmuExit();
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return;
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}
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if (evt.window.event != SDL_WINDOWEVENT_EXPOSED)
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{
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if (evt.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)
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{
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int w = evt.window.data1;
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int h = evt.window.data2;
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// SDL_SetWindowMinimumSize() doesn't seem to work on Linux. oh well
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if ((w < 256) || (h < 384))
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{
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if (w < 256) w = 256;
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if (h < 384) h = 384;
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SDL_SetWindowSize(sdlwin, w, h);
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}
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int ratio = (w * 384) / h;
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if (ratio > 256)
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{
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// borders on the sides
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int screenw = (4 * (h/2)) / 3;
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int gap = (w - screenw) / 2;
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topdst.x = gap; topdst.y = 0;
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topdst.w = screenw; topdst.h = h/2;
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botdst.x = gap; botdst.y = h/2;
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botdst.w = screenw; botdst.h = h/2;
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}
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else
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{
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// separator
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int screenh = (3 * w) / 4;
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int gap = h - (screenh*2);
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topdst.x = 0; topdst.y = 0;
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topdst.w = w; topdst.h = screenh;
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botdst.x = 0; botdst.y = screenh + gap;
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botdst.w = w; botdst.h = screenh;
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}
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Config::WindowWidth = w;
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Config::WindowHeight = h;
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}
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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if (!running) return;
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if (evt.button.button == SDL_BUTTON_LEFT)
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{
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if (evt.button.x >= botdst.x && evt.button.x < (botdst.x+botdst.w) &&
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evt.button.y >= botdst.y && evt.button.y < (botdst.y+botdst.h))
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{
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Touching = true;
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NDS::PressKey(16+6);
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int mx, my;
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SDL_GetGlobalMouseState(&mx, &my);
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txoffset = mx - evt.button.x;
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tyoffset = my - evt.button.y;
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}
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}
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break;
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case SDL_KEYDOWN:
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if (!running) return;
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for (int i = 0; i < 10; i++)
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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);
|
|
}
|
|
}
|
|
}
|