toolbox.c

This AI for Game Developers

#include "Toolbox.h"

GWorldPtr					gw[MaxGWorlds];
TBoolean					gwFree[MaxGWorlds];
TRect							gwRect[MaxGWorlds];
RGBColor					gwForeColor[MaxGWorlds];
RGBColor					gwBackColor[MaxGWorlds];
WindowPtr					win[MaxWindows];
TBoolean					winFree[MaxWindows];
TRect							winRect[MaxWindows];
RGBColor					winForeColor[MaxGWorlds];
RGBColor					winBackColor[MaxGWorlds];
RGBColor					myWhite;
RGBColor    			myBlack;
PicHandle					PHandle;
CGrafPtr 					tbsavedPort;
GDHandle 					tbsavedDevice;

// ----------------------------------------------------------------- //
int tb_CreateBitmap(TRect *r, int Picture, int Depth)
// ----------------------------------------------------------------- //

{

	int					i;
	int					found=-1;
	TRect				t;
  OSErr       Error;
  
	for (i=0; i<MaxGWorlds; i++)
		if (gwFree[i]==true)
			{
				found=i;
				break;
			}
	
	if (found==-1) return (-1);
			
	if (Picture>0)
		{
			PHandle = GetPicture(Picture);
			SetRect(r, 0, 0, 0, 0);
			if (PHandle != nil)
				{
					HLock((Handle)PHandle);
					r->right = r->left + ((**(PHandle)).picFrame.right - (**(PHandle)).picFrame.left);
					r->bottom =r->top + ((**(PHandle)).picFrame.bottom - (**(PHandle)).picFrame.top);
					Error = NewGWorld(&gw[found], Depth, r, nil, nil, 0);
					gwRect[found]=*r;
					if (Error != noErr)
						{
							return (-1);
						}
					GetGWorld(&tbsavedPort, &tbsavedDevice);
					LockPixels( GetGWorldPixMap( gw[found] ) );
					SetGWorld(gw[found], nil);
					RGBForeColor(&myBlack);
					RGBBackColor(&myWhite);
					PaintRect(r);
					DrawPicture(PHandle, r);
					HUnlock((Handle)PHandle);
					ReleaseResource((Handle)PHandle);
					RGBForeColor(&myBlack);
					RGBBackColor(&myWhite);
					gwForeColor[found].red=0;
					gwForeColor[found].green=0;
					gwForeColor[found].blue=0;
					gwBackColor[found].red=65535;
					gwBackColor[found].green=65535;
					gwBackColor[found].blue=65535;					
					SetGWorld(tbsavedPort, tbsavedDevice);		
									}
			else
				{
					SysBeep(0);
				}
		}
	else 
		{
			t=*r;
			OffsetRect(&t, -t.left, -t.top);
			Error = NewGWorld(&gw[found], Depth, &t, NULL, NULL, 0);
			gwRect[found]=t;
			GetGWorld(&tbsavedPort, &tbsavedDevice);
			LockPixels( GetGWorldPixMap( gw[found] ) );
			SetGWorld(gw[found], nil);
			RGBForeColor(&myBlack);
			RGBBackColor(&myWhite);
			PaintRect(&t);
			gwForeColor[found].red=0;
			gwForeColor[found].green=0;
			gwForeColor[found].blue=0;
			gwBackColor[found].red=65535;
			gwBackColor[found].green=65535;
			gwBackColor[found].blue=65535;
			SetGWorld(tbsavedPort, tbsavedDevice);	
		}

	gwFree[found]=false;
	
	return (found);

}

// ----------------------------------------------------------------- //
void tb_InitializeToolbox(void)
// ----------------------------------------------------------------- //

{
	int					i;
	
  myWhite.red=65535;
  myWhite.green=65535;
  myWhite.blue=65535;

  myBlack.red=0;
  myBlack.green=0;
  myBlack.blue=0;
	
	for (i=0; i<MaxGWorlds; i++)
		{
			gwFree[i]=true;
			gwForeColor[i].red=0;
			gwForeColor[i].green=0;
			gwForeColor[i].blue=0;
			gwBackColor[i].red=65535;
			gwBackColor[i].green=65535;
			gwBackColor[i].blue=65535;
		}

	for (i=0; i<MaxWindows; i++)
		{
			winFree[i]=true;
			winForeColor[i].red=0;
			winForeColor[i].green=0;
			winForeColor[i].blue=0;
			winBackColor[i].red=65535;
			winBackColor[i].green=65535;
			winBackColor[i].blue=65535;			
		}

}

// ----------------------------------------------------------------- //
void tb_CloseToolbox(void)
// ----------------------------------------------------------------- //

{
	int				i;
		
	for (i=0; i<MaxGWorlds; i++)
		if (gwFree[i]==false)
		{
			if (gw[i]!=nil)
				{
					DisposeGWorld(gw[i]);
					gw[i]=nil;
					gwFree[i]=true;
				}
		}

}

// ----------------------------------------------------------------- //
int tb_GetWindowMatch(WindowPtr wp)
// ----------------------------------------------------------------- //

{
		int			i;
		
		for (i=0;i<MaxWindows;i++)
			if (wp==win[i])	return (i+5000);
			
		return (-1);

}

// ----------------------------------------------------------------- //
int tb_DoDialog(int id)
// ----------------------------------------------------------------- //
	
{
	DialogPtr				Dialog;
	short						itemHit=0;
	ControlRef			defaultButton;

	GetPort(&(GrafPtr)tbsavedPort);
	InitCursor();
	Dialog = GetNewDialog(id, nil, (WindowPtr)-1L);
	if (Dialog!=NULL)
		{
			GetDialogItemAsControl(Dialog,1,&defaultButton);
			SetWindowDefaultButton(GetDialogWindow(Dialog),defaultButton);

			SetPortWindowPort(GetDialogWindow(Dialog));		
			ShowWindow(GetDialogWindow(Dialog));
			while (itemHit<1)
				{
					ModalDialog(nil, &itemHit);
					SelectWindow(GetDialogWindow(Dialog));
				}
			SetGWorld(tbsavedPort, tbsavedDevice);						
			DisposeDialog(Dialog);
			return (itemHit);
		}
	SetPortWindowPort(GetWindowFromPort(tbsavedPort));

	return (itemHit);
		 
}

// ----------------------------------------------------------------- //
void tb_CopyMaskBitmap(TBitmap srcBitmap, TBitmap maskBitmap, TBitmap dstBitmap, TRect *srcRect, TRect *maskRect, TRect *dstRect)
// ----------------------------------------------------------------- //

{
	CGrafPtr              thePort;


	if (dstBitmap>4999)
		{
			GetGWorld(&tbsavedPort, &tbsavedDevice);
			SetPortWindowPort(win[dstBitmap-5000]);
			RGBForeColor(&myBlack);
			RGBBackColor(&myWhite);
			CopyMask(GetPortBitMapForCopyBits(gw[srcBitmap]),GetPortBitMapForCopyBits(gw[maskBitmap]),GetPortBitMapForCopyBits(GetWindowPort( win[dstBitmap-5000] )),srcRect,maskRect,dstRect);						
          	thePort = GetWindowPort(win[dstBitmap-5000]);
			if (QDIsPortBuffered(thePort))
				{
				  RgnHandle theRgn;
				  theRgn = NewRgn();
				  SetRectRgn(theRgn, dstRect->left, dstRect->top, dstRect->right, dstRect->bottom);
				  QDFlushPortBuffer(thePort, theRgn);
				  DisposeRgn(theRgn);
				}
			SetGWorld(tbsavedPort, tbsavedDevice);			
		}
	else
		{
		  if ((dstBitmap)>=MaxGWorlds)    return; 
		  if (gwFree[dstBitmap])         return;
			GetGWorld(&tbsavedPort, &tbsavedDevice);
			SetGWorld(gw[dstBitmap], nil);
			RGBForeColor(&myBlack);
			RGBBackColor(&myWhite);					
			CopyMask(GetPortBitMapForCopyBits(gw[srcBitmap]),GetPortBitMapForCopyBits(gw[maskBitmap]),GetPortBitMapForCopyBits(gw[dstBitmap]),srcRect,maskRect,dstRect);									
			SetGWorld(tbsavedPort, tbsavedDevice);			
		}

}

// ----------------------------------------------------------------- //
void tb_CopyBitmap(TBitmap srcBitmap, TBitmap dstBitmap, TRect *srcRect, TRect *dstRect, TBoolean Transparent)
// ----------------------------------------------------------------- //

{
	CGrafPtr              thePort;
	
	GetGWorld(&tbsavedPort, &tbsavedDevice);
	if (dstBitmap>4999)
		{
			SetPortWindowPort(win[dstBitmap-5000]);
			RGBForeColor(&myBlack);
			RGBBackColor(&myWhite);
			CopyBits( GetPortBitMapForCopyBits( gw[srcBitmap] ), GetPortBitMapForCopyBits(GetWindowPort( win[dstBitmap-5000] )), srcRect, dstRect, srcCopy, NULL );		
      thePort = GetWindowPort(win[dstBitmap-5000]);
			if (QDIsPortBuffered(thePort))
				{
				  RgnHandle theRgn;
				  theRgn = NewRgn();
				  SetRectRgn(theRgn, dstRect->left, dstRect->top, dstRect->right, dstRect->bottom);
				  QDFlushPortBuffer(thePort, theRgn);
				  DisposeRgn(theRgn);
				}

		}
	else
		{
			SetGWorld(gw[dstBitmap], nil);
			RGBForeColor(&myBlack);
			RGBBackColor(&myWhite);					
			if (Transparent)
				{
					RGBBackColor(&gwBackColor[dstBitmap]);					
					CopyBits( GetPortBitMapForCopyBits( gw[srcBitmap] ), GetPortBitMapForCopyBits( gw[dstBitmap] ), srcRect, dstRect, transparent, NULL );
				}
			else
				CopyBits( GetPortBitMapForCopyBits( gw[srcBitmap] ), GetPortBitMapForCopyBits( gw[dstBitmap] ), srcRect, dstRect, srcCopy, NULL );
		}
	SetGWorld(tbsavedPort, tbsavedDevice);			

}

// ----------------------------------------------------------------- //
int tb_Rnd (int min, int max)
// ----------------------------------------------------------------- //

{
	int			n;
	
	n=(Random())%(max-min+1);
	n=abs((double)n)+min;
	
	return (n);
		 
}

// ----------------------------------------------------------------- //
TBoolean tb_IsKeyDown (short KeyCode)
// ----------------------------------------------------------------- //

{
	KeyMap		myKeyMap;
	short			byteIndex;
	char			theByte, theBit;
	char			*thePointer;
			
	GetKeys(myKeyMap);
	byteIndex = KeyCode >> 3;
	thePointer =(char*)&myKeyMap[0];
	theByte = *(char*)(thePointer + byteIndex);
	theBit = 1L << (KeyCode & 7);
	return ((theByte & theBit) != 0);
	
}

// ----------------------------------------------------------------- //
void tb_FlushMouseEvents(void)
// ----------------------------------------------------------------- //

{

	FlushEvents(mDownMask + mUpMask, 0);
	
}

// ----------------------------------------------------------------- //
int tb_SetWindowPtr(WindowPtr w)
// ----------------------------------------------------------------- //

{

	int					i;
	int					found=-1;

	for (i=0; i<MaxWindows; i++)
		if (winFree[i])
			{
				found=i;
				break;
			}

	if (found==-1) return (-1);
	
	winFree[found]=false;
	win[found]=w;

	return (found+5000);

}