#include "uop.h"
#include <SDL/SDL_endian.h>
#include "patchhandler.h"
#include "uopconfig.h"
#include "gumps.h"

extern UOPConfig *config;
extern Gumps *gumps;

PatchHandler::PatchHandler()
{
}
PatchHandler::~PatchHandler()
{
}

void PatchHandler::load()
{
	string patchfname=config->encapDatLoc("verdata.mul");
	patchfile.open(patchfname.c_str(),ios::in|ios::binary);
	if (!patchfile.is_open())
		return;
	Uint8 buffer[20];
	patchfile.read((char*)buffer,4);
	Uint32 len=SDL_SwapLE32(*(Uint32 *)buffer);
	while (len--)
	{
		patchfile.read((char*)buffer,20);
		Uint32 id=SDL_SwapLE32(*(Uint32 *)buffer);
		Uint32 i=SDL_SwapLE32(*(Uint32 *)(buffer+4));
		switch (id)
		{
			case 0x0c:	//gump
				{
					GumpIndex gump;
					gump.offset=SDL_SwapLE32(*(Uint32 *)(buffer+8));
					gump.size=SDL_SwapLE32(*(Uint32 *)(buffer+12));
					gump.height=SDL_SwapLE16(*(Uint16 *)(buffer+16));
					gump.width=SDL_SwapLE16(*(Uint16 *)(buffer+18));
					gumps->setIndex(i,gump);
				}
				break;
			default:
				break;
		}
	}
	patchfile.close();
}