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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "graphics/cursorman.h"
#include "graphics/managed_surface.h"
#include "ultima/shared/core/mouse_cursor.h"
#include "ultima/shared/core/file.h"
#include "ultima/shared/early/ultima_early.h"
namespace Ultima {
namespace Shared {
void MouseCursor::MouseCursorData::load(Common::SeekableReadStream &s) {
_hotspot.x = s.readSint16LE();
_hotspot.y = s.readSint16LE();
for (int idx = 0; idx < 16; ++idx)
_pixels[idx] = s.readUint16LE();
for (int idx = 0; idx < 16; ++idx)
_mask[idx] = s.readUint16LE();
}
/*-------------------------------------------------------------------*/
MouseCursor::MouseCursor() : _cursorId(-1) {
/*
loadCursors();
_cursorId = -1;
setCursor(0);
*/
}
void MouseCursor::loadCursors() {
_cursors.clear();
File f("TODO");
while (f.pos() < f.size()) {
_cursors.push_back(MouseCursorData());
MouseCursorData &mc = _cursors.back();
mc._hotspot.x = f.readSint16LE();
mc._hotspot.y = f.readSint16LE();
for (int idx = 0; idx < 16; ++idx)
mc._mask[idx] = f.readUint16LE();
for (int idx = 0; idx < 16; ++idx)
mc._pixels[idx] = f.readUint16LE();
}
}
void MouseCursor::setCursor(int cursorId) {
// No need to do anything if we're already showing the desired cursor
if (cursorId == _cursorId)
return;
_cursorId = cursorId;
// Set up a temporary surface for rendering the cursor onto
Graphics::ManagedSurface s(16, 16);
s.fillRect(s.getBounds(), 0xff);
const MouseCursorData &data = _cursors[cursorId];
const uint16 *pixelsP = data._pixels, *maskP = data._mask;
// Iterate trhough the lines to build up the cursor
for (int y = 0; y < CURSOR_HEIGHT; ++y) {
uint16 pixVal = *pixelsP++, maskVal = *maskP++;
int bitMask = 0x8000;
byte *destP = (byte *)s.getBasePtr(0, y);
for (int x = 0; x < CURSOR_WIDTH; ++x, ++destP, bitMask >>= 1) {
if (pixVal & bitMask)
*destP = 15;
else if (!(maskVal & bitMask))
*destP = 0;
}
}
// Pass the generated surface onto the ScummVM cursor manager
CursorMan.replaceCursor(s, data._hotspot.x, data._hotspot.y, 0xff);
}
void MouseCursor::show() {
CursorMan.showMouse(true);
}
void MouseCursor::hide() {
CursorMan.showMouse(false);
}
} // End of namespace Shared
} // End of namespace Ultima
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