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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.
*
*/
#include "graphics/cursorman.h"
#include "titanic/support/mouse_cursor.h"
#include "titanic/support/transparency_surface.h"
#include "titanic/support/video_surface.h"
#include "titanic/titanic.h"
namespace Titanic {
#define CURSOR_SIZE 64
static const int CURSOR_DATA[NUM_CURSORS][4] = {
{ 1, 136, 19, 18 },
{ 2, 139, 1, 1 },
{ 3, 140, 32, 1 },
{ 4, 137, 13, 0 },
{ 5, 145, 13, 0 },
{ 6, 144, 13, 22 },
{ 7, 137, 14, 0 },
{ 8, 148, 22, 40 },
{ 9, 136, 19, 18 },
{ 10, 143, 11, 11 },
{ 11, 146, 11, 11 },
{ 12, 136, 19, 18 },
{ 13, 136, 19, 25 },
{ 14, 136, 13, 22 },
{ 15, 138, 20, 28 }
};
CMouseCursor::CursorEntry::~CursorEntry() {
delete _videoSurface;
delete _transSurface;
}
CMouseCursor::CMouseCursor(CScreenManager *screenManager) :
_screenManager(screenManager), _cursorId(CURSOR_HOURGLASS),
_setCursorCount(0), _fieldE4(0), _fieldE8(0) {
loadCursorImages();
setCursor(CURSOR_ARROW);
}
CMouseCursor::~CMouseCursor() {
}
void CMouseCursor::loadCursorImages() {
const CResourceKey key("ycursors.avi");
// Iterate through getting each cursor
for (int idx = 0; idx < NUM_CURSORS; ++idx) {
assert(CURSOR_DATA[idx][0] == (idx + 1));
_cursors[idx]._centroid = Common::Point(CURSOR_DATA[idx][2],
CURSOR_DATA[idx][3]);
// Create the surface
CVideoSurface *surface = _screenManager->createSurface(CURSOR_SIZE, CURSOR_SIZE);
_cursors[idx]._videoSurface = surface;
// Open the cursors video and move to the given frame
OSMovie movie(key, surface);
movie.setFrame(idx);
Graphics::ManagedSurface *transSurface = movie.duplicateTransparency();
_cursors[idx]._transSurface = transSurface;
surface->setTransparencySurface(transSurface);
}
}
void CMouseCursor::show() {
CursorMan.showMouse(true);
}
void CMouseCursor::hide() {
CursorMan.showMouse(false);
}
void CMouseCursor::setCursor(CursorId cursorId) {
++_setCursorCount;
if (cursorId != _cursorId) {
// The original cursors supported partial alpha when rendering the cursor.
// Since we're using the ScummVM CursorMan, we can't do that, so we need
// to build up a surface of the cursor with even partially transparent
// pixels as wholy transparent
CursorEntry &ce = _cursors[cursorId - 1];
CVideoSurface &srcSurface = *ce._videoSurface;
srcSurface.lock();
Graphics::ManagedSurface surface(CURSOR_SIZE, CURSOR_SIZE, g_system->getScreenFormat());
const uint16 *srcP = srcSurface.getPixels();
CTransparencySurface transSurface(&ce._transSurface->rawSurface(), TRANS_DEFAULT);
uint16 *destP = (uint16 *)surface.getPixels();
for (int y = 0; y < CURSOR_SIZE; ++y) {
transSurface.setRow(y);
transSurface.setCol(0);
for (int x = 0; x < CURSOR_SIZE; ++x, ++srcP, ++destP) {
*destP = transSurface.isPixelTransparent() ? srcSurface.getTransparencyColor() : *srcP;
transSurface.moveX();
}
}
srcSurface.unlock();
// Set the cursor
_cursorId = cursorId;
CursorMan.replaceCursor(surface.getPixels(), CURSOR_SIZE, CURSOR_SIZE,
ce._centroid.x, ce._centroid.y, srcSurface.getTransparencyColor(), false, &g_vm->_screen->format);
}
}
void CMouseCursor::update() {
// No implementation needed
}
void CMouseCursor::lockE4() {
_fieldE4 = 0;
CScreenManager::_screenManagerPtr->_inputHandler->incLockCount();
}
void CMouseCursor::unlockE4() {
_fieldE4 = 1;
_fieldE8 = 0;
CScreenManager::_screenManagerPtr->_inputHandler->decLockCount();
}
void CMouseCursor::setPosition(const Point &pt, double rate) {
assert(rate >= 0.0 && rate <= 1.0);
// TODO: Figure out use of the rate parameter
g_system->warpMouse(pt.x, pt.y);
}
} // End of namespace Titanic
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