public Background(GameboyAdvance gba, int bgNumber, BgControlRegister cntRegister)
{
this.gba = gba;
this.BgNumber = bgNumber;
CntRegister = cntRegister;
AffineMode = false;
TileMap = new TileMap(gba.Memory.VRam, cntRegister, bgNumber);
AffineMatrix = new BgAffineMatrix();
}
public LcdController(GameboyAdvance gba)
{
this.gba = gba;
frameBuffer0 = new DirectBitmap(Screen_X_Resolution, Screen_Y_Resolution);
frameBuffer1 = new DirectBitmap(Screen_X_Resolution, Screen_Y_Resolution);
FrameBuffer = frameBuffer0;
drawBuffer = frameBuffer1;
this.Palettes = new Palettes();
DisplayControlRegister = new DisplayControlRegister(this);
DispStatRegister = new DisplayStatusRegister(this);
BgControlRegisters = new BgControlRegister[4];
Bg = new Background[4];
for (int i = 0; i < 4; i++)
{
BgControlRegisters[i] = new BgControlRegister(this, i);
Bg[i] = new Background(gba, i, BgControlRegisters[i]);
priorityObjList[i] = new List<Obj>();
}
Obj = new Obj[Max_Sprites];
for (int i = 0; i < Max_Sprites; i++)
{
Obj[i] = new Obj(gba, new ObjAttributes(gba, i * 8, gba.Memory.OamRam));
}
OamAffineMatrices = new OamAffineMatrix[Max_OAM_Matrices];
UInt32 address = 0x00000006;
for (int i = 0; i < 32; i++)
{
OamAffineMatrices[i] = new OamAffineMatrix(gba.Memory.OamRam, address);
address += 0x20;
}
Windows = new Window[4];
for (int i = 0; i < 4; i++)
{
Windows[i] = new Window(gba);
}
#if THREADED_SCANLINE
drawScanline = false;
exitThread = false;
scanlineThread = new Thread(new ThreadStart(ScanlineThread));
scanlineThread.Start();
#endif
}
public LcdController(GameboyAdvance gba)
{
this.gba = gba;
frameBuffer0 = new DirectBitmap(Screen_X_Resolution, Screen_Y_Resolution);
frameBuffer1 = new DirectBitmap(Screen_X_Resolution, Screen_Y_Resolution);
FrameBuffer = frameBuffer0;
drawBuffer = frameBuffer1;
this.Palettes = new Palettes();
DisplayControlRegister = new DisplayControlRegister(gba, this);
DispStatRegister = new DisplayStatusRegister(gba, this);
Bg = new Background[4];
UInt32 scrollBaseAddress = 0x4000010;
for (int i = 0; i < 4; i++)
{
BgControlRegister cntReg = new BgControlRegister(gba, this, i, (UInt32) (0x4000008 + (i * 2)));
MemoryRegister16 scrollXReg = new MemoryRegister16(gba.Memory, scrollBaseAddress, false, true, 0x01);
MemoryRegister16 scrollYReg = new MemoryRegister16(gba.Memory, scrollBaseAddress + 2, false, true, 0x01);
Bg[i] = new Background(gba, i, cntReg, scrollXReg, scrollYReg);
scrollBaseAddress += 4;
}
VCount = new MemoryRegister8(gba.Memory, 0x04000006, true, false);
this.ObjController = new ObjController(gba);
Windows = new Window[4];
Windows[0] = new Window(gba, 0x4000040, 0x4000048);
Windows[1] = new Window(gba, 0x4000042, 0x4000049);
Windows[2] = new Window(gba, 0, 0x400004A);
Windows[3] = new Window(gba, 0, 0x400004B);
this.BlendControlRegister = new BlendControlRegister(this, gba);
BlendingCoefficientRegister = new PixelCoefficientRegister(this, gba, 0x4000052);
BrightnessCoefficientRegister = new PixelCoefficientRegister(this, gba, 0x4000054);
#if THREADED_SCANLINE
//Interlocked.Exchange(ref drawScanline, 0);
drawScanline = 0;
exitThread = false;
scanlineThread = new Thread(new ThreadStart(ScanlineThread));
scanlineThread.Priority = ThreadPriority.Highest;
scanlineThread.Start();
#endif
}
public TileMap(byte[] vram, BgControlRegister cntReg, int bgNum)
{
this.cntReg = cntReg;
this.vram = vram;
this.bgNum = bgNum;
// Regardless of Bg size, we create enough tol hold the max size
screenBlock0 = new TileMapEntry[1024];
screenBlock1 = new TileMapEntry[1024];
screenBlock2 = new TileMapEntry[1024];
screenBlock3 = new TileMapEntry[1024];
for (int i = 0; i < 1024; i++)
{
screenBlock0[i] = new TileMapEntry(vram);
screenBlock1[i] = new TileMapEntry(vram);
screenBlock2[i] = new TileMapEntry(vram);
screenBlock3[i] = new TileMapEntry(vram);
}
// This reset is important, we have to have default values set as some games don't setup the bg registers, they assume default values
Reset();
}
public Background(GameboyAdvance gba, int bgNumber, BgControlRegister cntRegister, MemoryRegister16 scrollXReg, MemoryRegister16 scrollYReg)
{
this.gba = gba;
this.BgNumber = bgNumber;
CntRegister = cntRegister;
AffineMode = false;
TileMap = new TileMap(gba.Memory.VRam, cntRegister, bgNumber);
BGXHOFS = scrollXReg;
BGXVOFS = scrollYReg;
// Only bg 2 & 3 can rotate and scale
if (bgNumber == 2)
{
AffineMatrix = new BgAffineMatrix(gba, 0x4000020);
AffineScrollXReg = new AffineScrollRegister(gba.Memory, 0x4000028, false, true);
AffineScrollYReg = new AffineScrollRegister(gba.Memory, 0x400002C, false, true);
}
else if (bgNumber == 3)
{
AffineMatrix = new BgAffineMatrix(gba, 0x4000030);
AffineScrollXReg = new AffineScrollRegister(gba.Memory, 0x4000038, false, true);
AffineScrollYReg = new AffineScrollRegister(gba.Memory, 0x400003C, false, true);
}
ScanlineData = new int[LcdController.Screen_X_Resolution];
#if THREADED_SCANLINE
Interlocked.Exchange(ref cacheScanline, 0);
exitThread = false;
scanlineThread = new Thread(new ThreadStart(ScanlineThread));
scanlineThread.Start();
#endif
}