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JS scripting in work.
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@thor2016
thor2016 committed Jan 30, 2024
1 parent 813d4c0 commit 6b96016
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Showing 3 changed files with 219 additions and 44 deletions.
209 changes: 175 additions & 34 deletions src/drivers/Qt/QtScriptManager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@

#include "../../fceu.h"
#include "../../movie.h"
#include "../../video.h"
#include "../../x6502.h"
#include "../../debug.h"

Expand All @@ -55,6 +56,35 @@
#include "Qt/ConsoleUtilities.h"
#include "Qt/ConsoleWindow.h"

// pix format for JS graphics
#define BUILD_PIXEL_ARGB8888(A,R,G,B) (((int) (A) << 24) | ((int) (R) << 16) | ((int) (G) << 8) | (int) (B))
#define DECOMPOSE_PIXEL_ARGB8888(PIX,A,R,G,B) { (A) = ((PIX) >> 24) & 0xff; (R) = ((PIX) >> 16) & 0xff; (G) = ((PIX) >> 8) & 0xff; (B) = (PIX) & 0xff; }
#define JS_BUILD_PIXEL BUILD_PIXEL_ARGB8888
#define JS_DECOMPOSE_PIXEL DECOMPOSE_PIXEL_ARGB8888
#define JS_PIXEL_A(PIX) (((PIX) >> 24) & 0xff)
#define JS_PIXEL_R(PIX) (((PIX) >> 16) & 0xff)
#define JS_PIXEL_G(PIX) (((PIX) >> 8) & 0xff)
#define JS_PIXEL_B(PIX) ((PIX) & 0xff)

namespace JS
{
//----------------------------------------------------
//---- Color Object
//----------------------------------------------------
int ColorScriptObject::numInstances = 0;

ColorScriptObject::ColorScriptObject(int r, int g, int b)
: QObject(), color(r, g, b), _palette(0)
{
numInstances++;
//printf("ColorScriptObject(r,g,b) %p Constructor: %i\n", this, numInstances);
}
//----------------------------------------------------
ColorScriptObject::~ColorScriptObject()
{
numInstances--;
//printf("ColorScriptObject %p Destructor: %i\n", this, numInstances);
}
//----------------------------------------------------
//---- EMU Script Object
//----------------------------------------------------
Expand Down Expand Up @@ -196,11 +226,41 @@ bool EmuScriptObject::loadRom(const QString& romPath)
return ret != 0;
}
//----------------------------------------------------
bool EmuScriptObject::onEmulationThread()
{
bool isEmuThread = (consoleWindow != nullptr) &&
(QThread::currentThread() == consoleWindow->emulatorThread);
return isEmuThread;
}
//----------------------------------------------------
QString EmuScriptObject::getDir()
{
return QString(fceuExecutablePath());
}
//----------------------------------------------------
QJSValue EmuScriptObject::getScreenPixel(int x, int y, bool useBackup)
{
int r,g,b,p;
uint32_t pixel = GetScreenPixel(x,y,useBackup);
r = JS_PIXEL_R(pixel);
g = JS_PIXEL_G(pixel);
b = JS_PIXEL_B(pixel);

p = GetScreenPixelPalette(x,y,useBackup);

ColorScriptObject* pixelObj = new ColorScriptObject(r, g, b);

pixelObj->setPalette(p);

pixelObj->moveToThread(QApplication::instance()->thread());

QJSValue jsVal = engine->newQObject(pixelObj);

QJSEngine::setObjectOwnership( pixelObj, QJSEngine::JavaScriptOwnership);

return jsVal;
}
//----------------------------------------------------
//---- Memory Script Object
//----------------------------------------------------
//----------------------------------------------------
Expand Down Expand Up @@ -590,6 +650,7 @@ void MemoryScriptObject::unregisterAll()
numWriteFuncsRegistered = 0;
numExecFuncsRegistered = 0;
}
} // JS
//----------------------------------------------------
//---- Qt Script Instance
//----------------------------------------------------
Expand All @@ -598,63 +659,94 @@ QtScriptInstance::QtScriptInstance(QObject* parent)
{
QScriptDialog_t* win = qobject_cast<QScriptDialog_t*>(parent);

emu = new EmuScriptObject(this);
mem = new MemoryScriptObject(this);

if (win != nullptr)
{
dialog = win;
emu->setDialog(dialog);
mem->setDialog(dialog);
}
engine = new QJSEngine(nullptr);

emu->setEngine(engine);
mem->setEngine(engine);

configEngine();
initEngine();

QtScriptManager::getInstance()->addScriptInstance(this);
}
//----------------------------------------------------
QtScriptInstance::~QtScriptInstance()
{
if (engine != nullptr)
{
engine->deleteLater();
engine = nullptr;
}
QtScriptManager::getInstance()->removeScriptInstance(this);

shutdownEngine();

//printf("QtScriptInstance Destroyed\n");
}
//----------------------------------------------------
void QtScriptInstance::resetEngine()
void QtScriptInstance::shutdownEngine()
{
running = false;

if (onFrameBeginCallback != nullptr)
{
delete onFrameBeginCallback;
onFrameBeginCallback = nullptr;
}
if (onFrameFinishCallback != nullptr)
{
delete onFrameFinishCallback;
onFrameFinishCallback = nullptr;
}
if (onScriptStopCallback != nullptr)
{
delete onScriptStopCallback;
onScriptStopCallback = nullptr;
}

if (engine != nullptr)
{
engine->deleteLater();
engine->collectGarbage();
//engine->deleteLater();
delete engine;
engine = nullptr;
}
engine = new QJSEngine(nullptr);

if (emu != nullptr)
{
delete emu;
emu = nullptr;
}
if (mem != nullptr)
{
mem->reset();
delete mem;
mem = nullptr;
}

if (ui_rootWidget != nullptr)
{
ui_rootWidget->hide();
ui_rootWidget->deleteLater();
ui_rootWidget = nullptr;
}
mem->reset();

configEngine();
}
//----------------------------------------------------
int QtScriptInstance::configEngine()
void QtScriptInstance::resetEngine()
{
shutdownEngine();
initEngine();
}
//----------------------------------------------------
int QtScriptInstance::initEngine()
{
engine = new QJSEngine(this);

emu = new JS::EmuScriptObject(this);
mem = new JS::MemoryScriptObject(this);

emu->setDialog(dialog);
mem->setDialog(dialog);

engine->installExtensions(QJSEngine::ConsoleExtension);

emu->setEngine(engine);
mem->setEngine(engine);

QJSValue emuObject = engine->newQObject(emu);

engine->globalObject().setProperty("emu", emuObject);
Expand All @@ -667,9 +759,9 @@ int QtScriptInstance::configEngine()

engine->globalObject().setProperty("gui", guiObject);

onFrameBeginCallback = QJSValue();
onFrameFinishCallback = QJSValue();
onScriptStopCallback = QJSValue();
// Class Type Definitions for Script Use
QJSValue jsMetaObject = engine->newQMetaObject(&JS::ColorScriptObject::staticMetaObject);
engine->globalObject().setProperty("Color", jsMetaObject);

return 0;
}
Expand Down Expand Up @@ -757,17 +849,29 @@ void QtScriptInstance::loadUI(const QString& uiFilePath)
//----------------------------------------------------
void QtScriptInstance::registerBefore(const QJSValue& func)
{
onFrameBeginCallback = func;
if (onFrameBeginCallback != nullptr)
{
delete onFrameBeginCallback;
}
onFrameBeginCallback = new QJSValue(func);
}
//----------------------------------------------------
void QtScriptInstance::registerAfter(const QJSValue& func)
{
onFrameFinishCallback = func;
if (onFrameFinishCallback != nullptr)
{
delete onFrameFinishCallback;
}
onFrameFinishCallback = new QJSValue(func);
}
//----------------------------------------------------
void QtScriptInstance::registerStop(const QJSValue& func)
{
onScriptStopCallback = func;
if (onScriptStopCallback != nullptr)
{
delete onScriptStopCallback;
}
onScriptStopCallback = new QJSValue(func);
}
//----------------------------------------------------
void QtScriptInstance::print(const QString& msg)
Expand All @@ -776,6 +880,23 @@ void QtScriptInstance::print(const QString& msg)
{
dialog->logOutput(msg);
}
else
{
qDebug() << msg;
}
}
//----------------------------------------------------
bool QtScriptInstance::onEmulationThread()
{
bool isEmuThread = (consoleWindow != nullptr) &&
(QThread::currentThread() == consoleWindow->emulatorThread);
return isEmuThread;
}
//----------------------------------------------------
bool QtScriptInstance::onGuiThread()
{
bool isGuiThread = (QThread::currentThread() == QApplication::instance()->thread());
return isGuiThread;
}
//----------------------------------------------------
int QtScriptInstance::throwError(QJSValue::ErrorType errorType, const QString &message)
Expand Down Expand Up @@ -844,9 +965,14 @@ void QtScriptInstance::stopRunning()
FCEU_WRAPPER_LOCK();
if (running)
{
if (onScriptStopCallback.isCallable())
if (onScriptStopCallback != nullptr && onScriptStopCallback->isCallable())
{
onScriptStopCallback.call();
QJSValue callResult = onScriptStopCallback->call();

if (callResult.isError())
{
print(callResult.toString());
}
}
running = false;

Expand All @@ -857,17 +983,29 @@ void QtScriptInstance::stopRunning()
//----------------------------------------------------
void QtScriptInstance::onFrameBegin()
{
if (running && onFrameBeginCallback.isCallable())
if (running && onFrameBeginCallback != nullptr && onFrameBeginCallback->isCallable())
{
onFrameBeginCallback.call();
QJSValue callResult = onFrameBeginCallback->call();

if (callResult.isError())
{
print(callResult.toString());
running = false;
}
}
}
//----------------------------------------------------
void QtScriptInstance::onFrameFinish()
{
if (running && onFrameFinishCallback.isCallable())
if (running && onFrameFinishCallback != nullptr && onFrameFinishCallback->isCallable())
{
onFrameFinishCallback.call();
QJSValue callResult = onFrameFinishCallback->call();

if (callResult.isError())
{
print(callResult.toString());
running = false;
}
}
}
//----------------------------------------------------
Expand Down Expand Up @@ -1122,7 +1260,10 @@ QScriptDialog_t::~QScriptDialog_t(void)

periodicTimer->stop();

clearPropertyTree();

scriptInstance->stopRunning();
delete scriptInstance;

settings.setValue("QScriptWindow/geometry", saveGeometry());
}
Expand Down
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