stella/src/emucore/tia/frame-manager/AbstractFrameManager.cxx

158 lines
4.1 KiB
C++

//============================================================================
//
// SSSS tt lll lll
// SS SS tt ll ll
// SS tttttt eeee ll ll aaaa
// SSSS tt ee ee ll ll aa
// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
// SS SS tt ee ll ll aa aa
// SSSS ttt eeeee llll llll aaaaa
//
// Copyright (c) 1995-2018 by Bradford W. Mott, Stephen Anthony
// and the Stella Team
//
// See the file "License.txt" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//============================================================================
#include "AbstractFrameManager.hxx"
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
AbstractFrameManager::AbstractFrameManager() :
myLayout(FrameLayout::pal),
myOnFrameStart(nullptr),
myOnFrameComplete(nullptr)
{
layout(FrameLayout::ntsc);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::reset()
{
myIsRendering = false;
myVsync = false;
myVblank = false;
myCurrentFrameTotalLines = 0;
myCurrentFrameFinalLines = 0;
myPreviousFrameFinalLines = 0;
myTotalFrames = 0;
onReset();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::nextLine()
{
++myCurrentFrameTotalLines;
onNextLine();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::setHandlers(
callback frameStartCallback,
callback frameCompletionCallback
) {
myOnFrameStart = frameStartCallback;
myOnFrameComplete = frameCompletionCallback;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::clearHandlers()
{
myOnFrameStart = myOnFrameComplete = nullptr;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::setVblank(bool vblank)
{
if (vblank == myVblank) return;
myVblank = vblank;
onSetVblank();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::setVsync(bool vsync)
{
if (vsync == myVsync) return;
myVsync = vsync;
onSetVsync();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::notifyFrameStart()
{
if (myOnFrameStart) myOnFrameStart();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::notifyFrameComplete()
{
myPreviousFrameFinalLines = myCurrentFrameFinalLines;
myCurrentFrameFinalLines = myCurrentFrameTotalLines;
myCurrentFrameTotalLines = 0;
++myTotalFrames;
if (myOnFrameComplete) myOnFrameComplete();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void AbstractFrameManager::layout(FrameLayout layout)
{
if (layout == myLayout) return;
myLayout = layout;
onLayoutChange();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool AbstractFrameManager::save(Serializer& out) const
{
try
{
out.putBool(myIsRendering);
out.putBool(myVsync);
out.putBool(myVblank);
out.putInt(myCurrentFrameTotalLines);
out.putInt(myCurrentFrameFinalLines);
out.putInt(myPreviousFrameFinalLines);
out.putInt(myTotalFrames);
out.putInt(uInt32(myLayout));
return onSave(out);
}
catch(...)
{
cerr << "ERROR: AbstractFrameManager::save" << endl;
return false;
}
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool AbstractFrameManager::load(Serializer& in)
{
try
{
myIsRendering = in.getBool();
myVsync = in.getBool();
myVblank = in.getBool();
myCurrentFrameTotalLines = in.getInt();
myCurrentFrameFinalLines = in.getInt();
myPreviousFrameFinalLines = in.getInt();
myTotalFrames = in.getInt();
myLayout = FrameLayout(in.getInt());
return onLoad(in);
}
catch(...)
{
cerr << "ERROR: AbstractFrameManager::load" << endl;
return false;
}
}