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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 "lastexpress/data/cursor.h"
#include "lastexpress/lastexpress.h"
#include "common/stream.h"
#include "common/system.h"
#include "graphics/cursorman.h"
namespace LastExpress {
uint16 brigthnessData[4] = { 0, 0x7BDE, 0x739C, 0x6318 };
Cursor::Cursor() : _current(kCursorMAX) {
memset(&_cursors, 0, sizeof(_cursors));
}
bool Cursor::load(Common::SeekableReadStream *stream) {
if (!stream)
return false;
// Load the whole file to memory
Common::SeekableReadStream *data = stream->readStream((uint32) stream->size());
delete stream;
if (!data)
return false;
// Read the hotspot data
for (int i = 0; i < kCursorMAX; i++) {
_cursors[i].hotspotX = data->readUint16LE();
_cursors[i].hotspotY = data->readUint16LE();
debugC(15, kLastExpressDebugCursor | kLastExpressDebugAll,
"Cursor %d hotspot x: %d, hotspot y: %d",
i, _cursors[i].hotspotX, _cursors[i].hotspotY);
}
// Read the pixel data
for (int i = 0; i < kCursorMAX; i++)
for (int pix = 0; pix < 32 * 32; pix++)
_cursors[i].image[pix] = data->readUint16LE();
delete data;
return true;
}
void Cursor::show(bool visible) const {
CursorMan.showMouse(visible);
}
bool Cursor::checkStyle(CursorStyle style) const {
if (style >= kCursorMAX) {
debugC(2, kLastExpressDebugGraphics, "Trying to use an invalid cursor style: was %d, max %d", (int)style, kCursorMAX);
return false;
}
return true;
}
void Cursor::setStyle(CursorStyle style) {
if (!checkStyle(style))
return;
if (style == _current)
return;
debugC(10, kLastExpressDebugCursor | kLastExpressDebugAll, "Cursor: setting style: %d", style);
// Save the new cursor
_current = style;
// Reuse the screen pixel format
Graphics::PixelFormat pf = g_system->getScreenFormat();
CursorMan.replaceCursor((const byte *)getCursorImage(style),
32, 32, _cursors[style].hotspotX, _cursors[style].hotspotY,
0, 1, &pf);
}
const uint16 *Cursor::getCursorImage(CursorStyle style) const {
if (!checkStyle(style))
return NULL;
return _cursors[style].image;
}
Icon::Icon(CursorStyle style) : _style(style), _x(0), _y(0), _brightnessIndex(-1) {}
void Icon::setPosition(int16 x, int16 y) {
_x = x;
_y = y;
}
void Icon::setBrightness(int16 brightnessIndex) {
assert(brightnessIndex < ARRAYSIZE(brigthnessData));
_brightnessIndex = brightnessIndex;
}
Common::Rect Icon::draw(Graphics::Surface *surface) {
const uint16 *image = ((LastExpressEngine *)g_engine)->getCursor()->getCursorImage((CursorStyle)_style);
if (!image)
return Common::Rect();
// TODO adjust brightness. The original game seems to be using a table for that (at least in the highlighting case)
for (int j = 0; j < 32; j++) {
uint16 *s = (uint16 *)surface->getBasePtr(_x, _y + j);
for (int i = 0; i < 32; i++) {
// Adjust brightness
if (_brightnessIndex == -1)
*s = *image;
else
*s = (*image & brigthnessData[_brightnessIndex]) >> _brightnessIndex;
// Update the image and surface pointers
image++;
s++;
}
}
return Common::Rect(_x, _y, _x + 32, _y + 32);
}
} // End of namespace LastExpress
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