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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004 Ivan Dubrov
* Copyright (C) 2004-2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/stdafx.h"
#include "common/endian.h"
#include "gob/gob.h"
#include "gob/video.h"
namespace Gob {
Video_v2::Video_v2(GobEngine *vm) : Video_v1(vm) {
}
void Video_v2::drawLetter(int16 item, int16 x, int16 y, FontDesc *fontDesc, int16 color1,
int16 color2, int16 transp, SurfaceDesc *dest) {
int16 videoMode;
videoMode = dest->vidMode;
// Is that needed at all? And what does it do anyway?
char *dataPtr;
int16 itemSize;
int16 si;
int16 di;
int16 dx;
char *var_A;
int16 var_10;
if (fontDesc->endItem == 0) {
itemSize = fontDesc->itemSize + 3;
dataPtr = fontDesc->dataPtr;
var_10 = dataPtr[-2] - 1;
si = 0;
do {
di = ((si + var_10) / 2) * itemSize;
var_A = fontDesc->dataPtr + di;
dx = (READ_LE_UINT16(var_A) & 0x7FFF);
if (item > dx)
var_10 = di - 1;
else
si = di + 1;
} while ((dx != item) && (si <= var_10));
if (dx != item)
return;
fontDesc->dataPtr = var_A + 3;
item = 0;
}
dest->vidMode &= 0x7F;
_videoDriver->drawLetter((unsigned char) item, x, y, fontDesc, color1, color2, transp, dest);
dest->vidMode = videoMode;
}
} // End of namespace Gob
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