#include <ddraw/palette.hpp>
#include <common/openfile.hpp>
#include <common/filemap.hpp>
#include <common/pview.hpp>
#include <common/purehdc.hpp>

WORD DirectPalette::systemPalette(void)
{
	PureDevice screenDevice;
  WORD systemPaletteEntries;

  screenDevice.screenDevice();
	systemPaletteEntries=::GetSystemPaletteEntries(screenDevice,0,MaxColors,(PALETTEENTRY FAR*)&mPaletteEntries);
  return systemPaletteEntries;
}

BOOL DirectPalette::readPalette(const String &strPathFileName)
{
  FileHandle palFile(strPathFileName);
	FileMap palMap(palFile);
	PureViewOfFile palView(palMap);
	PaletteEntry paletteEntry;
	String strLine;
	int palEntries;
	char *pLine;
	char strTokens[]={' ','\0'};

	if(!palFile.isOkay())return FALSE;
	palView.getLine(strLine);
	if(!(strLine==String("JASC-PAL")))return FALSE;
	palView.getLine(strLine);
	if(!(strLine==String("0100")))return FALSE;
	palView.getLine(strLine);
	palEntries=::atoi(strLine);
	if(palEntries!=MaxColors)return FALSE;
	for(int palEntry=0;palEntry<palEntries;palEntry++)
	{
	  palView.getLine(strLine);
		pLine=(char*)strLine;
		pLine=::strtok(pLine,strTokens);
		if(!pLine)continue;
    paletteEntry.red(::atoi(pLine));
		pLine=::strtok(0,strTokens);
		if(!pLine)continue;
		paletteEntry.green(::atoi(pLine));
		pLine=::strtok(0,strTokens);
		if(!pLine)continue;
		paletteEntry.blue(::atoi(pLine));
		paletteEntry.flags(PaletteEntry::NoCollapse);
		mPaletteEntries[palEntry]=paletteEntry;
	}
	return TRUE;
}

void DirectPalette::initPalette(void)
{
  for(int index=0;index<10;index++) 
  { 
	  mPaletteEntries[index].flags(PaletteEntry::Explicit);
		mPaletteEntries[index].red(index);
		mPaletteEntries[index].green(0);
		mPaletteEntries[index].blue(0);
	  mPaletteEntries[246+index].flags(PaletteEntry::Explicit);
		mPaletteEntries[246+index].red(246+index);
		mPaletteEntries[246+index].green(0);
		mPaletteEntries[246+index].blue(0);
	}
  for(index=10;index<26;index++) 
  { 
	  mPaletteEntries[index].flags(PaletteEntry::PaletteFlags(PaletteEntry::NoCollapse|PaletteEntry::Reserved));
		mPaletteEntries[index].red(255);
		mPaletteEntries[index].green(64);
		mPaletteEntries[index].blue(32);
  } 
	for(;index<246;index++)
  { 
	  mPaletteEntries[index].flags(PaletteEntry::NoCollapse);
		mPaletteEntries[index].red(25);
		mPaletteEntries[index].green(6);
		mPaletteEntries[index].blue(63);
  } 
}