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melonDS/src/libui_sdl/main.cpp
StapleButter dad0e6b6e8 add support for non-resizable windows
2017-10-02 23:26:25 +02:00

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/*
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 <stdlib.h>
#include <time.h>
#include <stdio.h>
#include <SDL2/SDL.h>
#include "libui/ui.h"
#include "../types.h"
#include "../version.h"
#include "../Config.h"
#include "DlgEmuSettings.h"
#include "DlgInputConfig.h"
#include "../NDS.h"
#include "../GPU.h"
#include "../SPU.h"
#include "../Wifi.h"
#include "../Platform.h"
const int kScreenGap[] = {0, 1, 8, 64, 90, 128};
uiWindow* MainWindow;
uiArea* MainDrawArea;
uiMenuItem* MenuItem_Pause;
uiMenuItem* MenuItem_Reset;
uiMenuItem* MenuItem_Stop;
SDL_Thread* EmuThread;
int EmuRunning;
volatile int EmuStatus;
bool RunningSomething;
char ROMPath[1024];
bool ScreenDrawInited = false;
uiDrawBitmap* ScreenBitmap = NULL;
u32 ScreenBuffer[256*384];
uiRect TopScreenRect;
uiRect BottomScreenRect;
bool Touching = false;
u32 KeyInputMask;
SDL_Joystick* Joystick;
void AudioCallback(void* data, Uint8* stream, int len)
{
SPU::ReadOutput((s16*)stream, len>>2);
}
int EmuThreadFunc(void* burp)
{
NDS::Init();
ScreenDrawInited = false;
Touching = false;
// DS:
// 547.060546875 samples per frame
// 32823.6328125 samples per second
//
// 48000 samples per second:
// 800 samples per frame
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;
SDL_AudioDeviceID audio = SDL_OpenAudioDevice(NULL, 0, &whatIwant, &whatIget, 0);
if (!audio)
{
printf("Audio init failed: %s\n", SDL_GetError());
}
else
{
SDL_PauseAudioDevice(audio, 0);
}
KeyInputMask = 0xFFF;
// TODO: support more joysticks
if (SDL_NumJoysticks() > 0)
Joystick = SDL_JoystickOpen(0);
else
Joystick = NULL;
u32 nframes = 0;
u32 starttick = SDL_GetTicks();
u32 lasttick = starttick;
u32 lastmeasuretick = lasttick;
u32 fpslimitcount = 0;
bool limitfps = true;
while (EmuRunning != 0)
{
if (EmuRunning == 1)
{
EmuStatus = 1;
// poll input
u32 keymask = KeyInputMask;
u32 joymask = 0xFFF;
if (Joystick)
{
SDL_JoystickUpdate();
Uint32 hat = SDL_JoystickGetHat(Joystick, 0);
Sint16 axisX = SDL_JoystickGetAxis(Joystick, 0);
Sint16 axisY = SDL_JoystickGetAxis(Joystick, 1);
for (int i = 0; i < 12; i++)
{
int btnid = Config::JoyMapping[i];
if (btnid < 0) continue;
bool pressed;
if (btnid == 0x101) // up
pressed = (hat & SDL_HAT_UP) || (axisY <= -16384);
else if (btnid == 0x104) // down
pressed = (hat & SDL_HAT_DOWN) || (axisY >= 16384);
else if (btnid == 0x102) // right
pressed = (hat & SDL_HAT_RIGHT) || (axisX >= 16384);
else if (btnid == 0x108) // left
pressed = (hat & SDL_HAT_LEFT) || (axisX <= -16384);
else
pressed = SDL_JoystickGetButton(Joystick, btnid);
if (pressed) joymask &= ~(1<<i);
}
}
NDS::SetKeyMask(keymask & joymask);
// emulate
u32 nlines = NDS::RunFrame();
if (EmuRunning == 0) break;
memcpy(ScreenBuffer, GPU::Framebuffer, 256*384*4);
uiAreaQueueRedrawAll(MainDrawArea);
// framerate limiter based off SDL2_gfx
float framerate;
if (nlines == 263) framerate = 1000.0f / 60.0f;
else framerate = ((1000.0f * nlines) / 263.0f) / 60.0f;
fpslimitcount++;
u32 curtick = SDL_GetTicks();
u32 delay = curtick - lasttick;
lasttick = curtick;
u32 wantedtick = starttick + (u32)((float)fpslimitcount * framerate);
if (curtick < wantedtick && limitfps)
{
SDL_Delay(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;
float fpstarget;
if (framerate < 1) fpstarget = 999;
else fpstarget = 1000.0f/framerate;
char melontitle[100];
sprintf(melontitle, "%d/%.0f FPS | melonDS " MELONDS_VERSION, fps, fpstarget);
//uiWindowSetTitle(MainWindow, melontitle);
}
}
else
{
EmuStatus = 2;
// paused
nframes = 0;
lasttick = SDL_GetTicks();
starttick = lasttick;
lastmeasuretick = lasttick;
fpslimitcount = 0;
uiAreaQueueRedrawAll(MainDrawArea);
SDL_Delay(100);
}
}
EmuStatus = 0;
if (Joystick) SDL_JoystickClose(Joystick);
if (audio) SDL_CloseAudioDevice(audio);
NDS::DeInit();
return 44203;
}
void OnAreaDraw(uiAreaHandler* handler, uiArea* area, uiAreaDrawParams* params)
{
if (!ScreenDrawInited)
{
ScreenBitmap = uiDrawNewBitmap(params->Context, 256, 384);
ScreenDrawInited = true;
}
if (!ScreenBitmap) return;
uiRect top = {0, 0, 256, 192};
uiRect bot = {0, 192, 256, 192};
uiDrawBitmapUpdate(ScreenBitmap, ScreenBuffer);
uiDrawBitmapDraw(params->Context, ScreenBitmap, &top, &TopScreenRect);
uiDrawBitmapDraw(params->Context, ScreenBitmap, &bot, &BottomScreenRect);
}
void OnAreaMouseEvent(uiAreaHandler* handler, uiArea* area, uiAreaMouseEvent* evt)
{
int x = (int)evt->X;
int y = (int)evt->Y;
if (Touching && (evt->Up == 1))
{
Touching = false;
NDS::ReleaseKey(16+6);
NDS::ReleaseScreen();
}
else if (!Touching && (evt->Down == 1) &&
(x >= BottomScreenRect.X) && (y >= BottomScreenRect.Y) &&
(x < (BottomScreenRect.X+BottomScreenRect.Width)) && (y < (BottomScreenRect.Y+BottomScreenRect.Height)))
{
Touching = true;
NDS::PressKey(16+6);
}
if (Touching)
{
x -= BottomScreenRect.X;
y -= BottomScreenRect.Y;
if (BottomScreenRect.Width != 256)
x = (x * 256) / BottomScreenRect.Width;
if (BottomScreenRect.Height != 192)
y = (y * 192) / BottomScreenRect.Height;
// clamp
if (x < 0) x = 0;
else if (x > 255) x = 255;
if (y < 0) y = 0;
else if (y > 191) y = 191;
// TODO: take advantage of possible extra precision when possible? (scaled window for example)
NDS::TouchScreen(x, y);
}
}
void OnAreaMouseCrossed(uiAreaHandler* handler, uiArea* area, int left)
{
}
void OnAreaDragBroken(uiAreaHandler* handler, uiArea* area)
{
}
int OnAreaKeyEvent(uiAreaHandler* handler, uiArea* area, uiAreaKeyEvent* evt)
{
// TODO: release all keys if the window loses focus? or somehow global key input?
if (evt->Scancode == 0x38) // ALT
return 0;
if (evt->Modifiers == 0x2) // ALT+key
return 0;
if (evt->Up)
{
for (int i = 0; i < 12; i++)
if (evt->Scancode == Config::KeyMapping[i])
KeyInputMask |= (1<<i);
}
else if (!evt->Repeat)
{
for (int i = 0; i < 12; i++)
if (evt->Scancode == Config::KeyMapping[i])
KeyInputMask &= ~(1<<i);
}
return 1;
}
void OnAreaResize(uiAreaHandler* handler, uiArea* area, int width, int height)
{
float ratio = (height/2) / (float)width;
if (ratio <= 0.75)
{
// bars on the sides
int targetW = (height * 256) / 384;
int barW = (width - targetW) / 2;
TopScreenRect.X = barW;
TopScreenRect.Width = targetW;
TopScreenRect.Y = 0;
TopScreenRect.Height = height / 2;
BottomScreenRect.X = barW;
BottomScreenRect.Width = targetW;
BottomScreenRect.Y = height / 2;
BottomScreenRect.Height = height / 2;
}
else
{
// TODO: this should do bars on the top, and fixed screen gap
// for now we'll adjust the screen gap in consequence
int targetH = (width * 384) / 256;
int gap = height - targetH;
TopScreenRect.X = 0;
TopScreenRect.Width = width;
TopScreenRect.Y = 0;
TopScreenRect.Height = targetH / 2;
BottomScreenRect.X = 0;
BottomScreenRect.Width = width;
BottomScreenRect.Y = (targetH / 2) + gap;
BottomScreenRect.Height = targetH / 2;
}
// TODO:
// should those be the size of the uiArea, or the size of the window client area?
// for now the uiArea fills the whole window anyway
// but... we never know, I guess
Config::WindowWidth = width;
Config::WindowHeight = height;
}
void Run()
{
EmuRunning = 1;
RunningSomething = true;
uiMenuItemEnable(MenuItem_Pause);
uiMenuItemEnable(MenuItem_Reset);
uiMenuItemEnable(MenuItem_Stop);
uiMenuItemSetChecked(MenuItem_Pause, 0);
}
void Stop(bool internal)
{
EmuRunning = 2;
if (!internal) // if shutting down from the UI thread, wait till the emu thread has stopped
while (EmuStatus != 2);
RunningSomething = false;
uiMenuItemDisable(MenuItem_Pause);
uiMenuItemDisable(MenuItem_Reset);
uiMenuItemDisable(MenuItem_Stop);
uiMenuItemSetChecked(MenuItem_Pause, 0);
memset(ScreenBuffer, 0, 256*384*4);
uiAreaQueueRedrawAll(MainDrawArea);
}
int OnCloseWindow(uiWindow* window, void* blarg)
{
uiQuit();
return 1;
}
void OnDropFile(uiWindow* window, char* file, void* blarg)
{
char* ext = &file[strlen(file)-3];
if (!strcasecmp(ext, "nds") || !strcasecmp(ext, "srl"))
{
if (RunningSomething)
{
EmuRunning = 2;
while (EmuStatus != 2);
}
strncpy(ROMPath, file, 1023);
ROMPath[1023] = '\0';
NDS::LoadROM(ROMPath, Config::DirectBoot);
Run();
}
}
void OnGetFocus(uiWindow* window, void* blarg)
{
uiControlSetFocus(uiControl(MainDrawArea));
}
void OnLoseFocus(uiWindow* window, void* blarg)
{
// TODO: shit here?
}
void OnCloseByMenu(uiMenuItem* item, uiWindow* window, void* blarg)
{
uiControlDestroy(uiControl(window));
uiQuit();
}
void OnOpenFile(uiMenuItem* item, uiWindow* window, void* blarg)
{
int prevstatus = EmuRunning;
EmuRunning = 2;
while (EmuStatus != 2);
char* file = uiOpenFile(window, "DS ROM (*.nds)|*.nds;*.srl|Any file|*.*", NULL);
if (!file)
{
EmuRunning = prevstatus;
return;
}
strncpy(ROMPath, file, 1023);
ROMPath[1023] = '\0';
uiFreeText(file);
// TODO: change libui to store strings in stack-allocated buffers?
// so we don't have to free it after use
NDS::LoadROM(ROMPath, Config::DirectBoot);
Run();
}
void OnRun(uiMenuItem* item, uiWindow* window, void* blarg)
{
if (!RunningSomething)
{
ROMPath[0] = '\0';
NDS::LoadBIOS();
}
Run();
}
void OnPause(uiMenuItem* item, uiWindow* window, void* blarg)
{
if (!RunningSomething) return;
if (EmuRunning == 1)
{
// enable pause
EmuRunning = 2;
uiMenuItemSetChecked(MenuItem_Pause, 1);
}
else
{
// disable pause
EmuRunning = 1;
uiMenuItemSetChecked(MenuItem_Pause, 0);
}
}
void OnReset(uiMenuItem* item, uiWindow* window, void* blarg)
{
if (!RunningSomething) return;
EmuRunning = 2;
while (EmuStatus != 2);
if (ROMPath[0] == '\0')
NDS::LoadBIOS();
else
NDS::LoadROM(ROMPath, Config::DirectBoot);
Run();
}
void OnStop(uiMenuItem* item, uiWindow* window, void* blarg)
{
if (!RunningSomething) return;
Stop(false);
}
void OnOpenEmuSettings(uiMenuItem* item, uiWindow* window, void* blarg)
{
DlgEmuSettings::Open();
}
void OnOpenInputConfig(uiMenuItem* item, uiWindow* window, void* blarg)
{
DlgInputConfig::Open();
}
void ApplyNewSettings()
{
if (!RunningSomething) return;
int prevstatus = EmuRunning;
EmuRunning = 2;
while (EmuStatus != 2);
GPU3D::SoftRenderer::SetupRenderThread();
if (Wifi::MPInited)
{
Platform::MP_DeInit();
Platform::MP_Init();
}
EmuRunning = prevstatus;
}
bool _fileexists(char* name)
{
FILE* f = fopen(name, "rb");
if (!f) return false;
fclose(f);
return true;
}
int main(int argc, char** argv)
{
srand(time(NULL));
printf("melonDS " MELONDS_VERSION "\n");
printf(MELONDS_URL "\n");
// 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;
}
SDL_JoystickEventState(SDL_ENABLE);
uiInitOptions ui_opt;
memset(&ui_opt, 0, sizeof(uiInitOptions));
const char* ui_err = uiInit(&ui_opt);
if (ui_err != NULL)
{
printf("libui shat itself :( %s\n", ui_err);
uiFreeInitError(ui_err);
return 1;
}
Config::Load();
if (!_fileexists("bios7.bin") || !_fileexists("bios9.bin") || !_fileexists("firmware.bin"))
{
uiMsgBoxError(
NULL,
"BIOS/Firmware not found",
"One or more of the following required files don't exist or couldn't be accessed:\n\n"
"bios7.bin -- ARM7 BIOS\n"
"bios9.bin -- ARM9 BIOS\n"
"firmware.bin -- firmware image\n\n"
"Dump the files from your DS and place them in the directory you run melonDS from.\n"
"Make sure that the files can be accessed.");
uiUninit();
SDL_Quit();
return 0;
}
uiMenu* menu;
uiMenuItem* menuitem;
menu = uiNewMenu("File");
menuitem = uiMenuAppendItem(menu, "Open ROM...");
uiMenuItemOnClicked(menuitem, OnOpenFile, NULL);
uiMenuAppendSeparator(menu);
menuitem = uiMenuAppendItem(menu, "Quit");
uiMenuItemOnClicked(menuitem, OnCloseByMenu, NULL);
menu = uiNewMenu("System");
menuitem = uiMenuAppendItem(menu, "Run");
uiMenuItemOnClicked(menuitem, OnRun, NULL);
menuitem = uiMenuAppendCheckItem(menu, "Pause");
uiMenuItemOnClicked(menuitem, OnPause, NULL);
MenuItem_Pause = menuitem;
uiMenuAppendSeparator(menu);
menuitem = uiMenuAppendItem(menu, "Reset");
uiMenuItemOnClicked(menuitem, OnReset, NULL);
MenuItem_Reset = menuitem;
menuitem = uiMenuAppendItem(menu, "Stop");
uiMenuItemOnClicked(menuitem, OnStop, NULL);
MenuItem_Stop = menuitem;
menu = uiNewMenu("Config");
menuitem = uiMenuAppendItem(menu, "Emu settings");
uiMenuItemOnClicked(menuitem, OnOpenEmuSettings, NULL);
menuitem = uiMenuAppendItem(menu, "Input config");
uiMenuItemOnClicked(menuitem, OnOpenInputConfig, NULL);
/*uiMenuAppendSeparator();
menuitem = uiMenuAppendItem(menu, "Mid-screen gap");
{
uiMenuItem* parent = menuitem;
//menuitem = uiMenu
// TODO: need submenu support in libui.
}*/
int w = Config::WindowWidth;
int h = Config::WindowHeight;
if (w < 256) w = 256;
if (h < 384) h = 384;
MainWindow = uiNewWindow("melonDS " MELONDS_VERSION, w, h, 1, 1);
uiWindowOnClosing(MainWindow, OnCloseWindow, NULL);
uiWindowSetDropTarget(MainWindow, 1);
uiWindowOnDropFile(MainWindow, OnDropFile, NULL);
uiWindowOnGetFocus(MainWindow, OnGetFocus, NULL);
uiWindowOnLoseFocus(MainWindow, OnLoseFocus, NULL);
uiMenuItemDisable(MenuItem_Pause);
uiMenuItemDisable(MenuItem_Reset);
uiMenuItemDisable(MenuItem_Stop);
uiAreaHandler areahandler;
areahandler.Draw = OnAreaDraw;
areahandler.MouseEvent = OnAreaMouseEvent;
areahandler.MouseCrossed = OnAreaMouseCrossed;
areahandler.DragBroken = OnAreaDragBroken;
areahandler.KeyEvent = OnAreaKeyEvent;
areahandler.Resize = OnAreaResize;
MainDrawArea = uiNewArea(&areahandler);
uiWindowSetChild(MainWindow, uiControl(MainDrawArea));
uiControlSetMinSize(uiControl(MainDrawArea), 256, 384);
EmuRunning = 2;
RunningSomething = false;
EmuThread = SDL_CreateThread(EmuThreadFunc, "melonDS magic", NULL);
if (argc > 1)
{
char* file = argv[1];
char* ext = &file[strlen(file)-3];
if (!strcasecmp(ext, "nds") || !strcasecmp(ext, "srl"))
{
strncpy(ROMPath, file, 1023);
ROMPath[1023] = '\0';
NDS::LoadROM(ROMPath, Config::DirectBoot);
Run();
}
}
uiControlShow(uiControl(MainWindow));
uiControlSetFocus(uiControl(MainDrawArea));
uiMain();
EmuRunning = 0;
SDL_WaitThread(EmuThread, NULL);
Config::Save();
if (ScreenBitmap) uiDrawFreeBitmap(ScreenBitmap);
uiUninit();
SDL_Quit();
return 0;
}
#ifdef __WIN32__
#include <windows.h>
int CALLBACK WinMain(HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int cmdshow)
{
char cmdargs[16][256];
int arg = 1;
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 (j > 255) j = 255;
if (arg < 16) cmdargs[arg][j] = '\0';
arg++;
j = 0;
}
else
{
if (arg < 16 && j < 255) cmdargs[arg][j] = c;
j++;
}
}
if (j > 255) j = 255;
if (arg < 16) cmdargs[arg][j] = '\0';
if (len > 0) arg++;
// FIXME!!
strncpy(cmdargs[0], "melonDS.exe", 256);
char* cmdargptr[16];
for (int i = 0; i < 16; i++)
cmdargptr[i] = &cmdargs[i][0];
return main(arg, cmdargptr);
}
#endif
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