mirror of
https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
Miro Kropacek
5680536655
- leftovers after highlighted dirty rectangle - not updating _surface if moving to fast left/right from screen borders (_width == _srcRect.width()) - not drawing cursor if repeatedly intersecting with a refreshing dirty rect - leftover rectangle when leaving game overlay to the launcher - massive simplification
149 lines
3.9 KiB
C++
149 lines
3.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef BACKENDS_GRAPHICS_ATARI_CURSOR_H
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#define BACKENDS_GRAPHICS_ATARI_CURSOR_H
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#include "common/rect.h"
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#include "common/scummsys.h"
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#include "graphics/surface.h"
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//#include "backends/platform/atari/atari-debug.h"
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class AtariGraphicsManager;
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struct Screen;
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// Global state consists of:
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// - palette (used for the overlay only atm)
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// - shape (surface, dimensions, hotspot, keycolor)
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// - visibility
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// These always get updates by ScummVM, no need to differentiate between engines and the overlay.
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struct Cursor {
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Cursor(const AtariGraphicsManager *manager, const Screen *screen, int x, int y);
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void reset(const Graphics::Surface *boundingSurf, int xOffset) {
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_boundingSurf = boundingSurf;
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_xOffset = xOffset;
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_positionChanged = true;
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_surfaceChanged = true;
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_visibilityChanged = false;
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_savedRect = _previousSrcRect = _alignedDstRect = Common::Rect();
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}
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// updates outOfScreen OR srcRect/dstRect (only if visible/needed)
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void update();
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// visibility
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bool setVisible(bool visible) {
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if (_visible == visible) {
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return _visible;
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}
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bool last = _visible;
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_visible = visible;
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_visibilityChanged = true;
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return last;
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}
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// position
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Common::Point getPosition() const {
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return Common::Point(_x, _y);
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}
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void setPosition(int x, int y) {
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//atari_debug("Cursor::setPosition: %d, %d", x, y);
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if (_x == x && _y == y)
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return;
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_x = x;
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_y = y;
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_positionChanged = true;
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}
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void updatePosition(int deltaX, int deltaY);
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// surface
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void setSurface(const void *buf, int w, int h, int hotspotX, int hotspotY, uint32 keycolor);
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void setPalette(const byte *colors, uint start, uint num);
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void convertSurfaceTo(const Graphics::PixelFormat &format);
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bool isVisible() const {
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return !_outOfScreen && _visible;
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}
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bool isChanged() const {
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return _positionChanged || _surfaceChanged || _visibilityChanged;
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}
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Common::Rect flushBackground(const Common::Rect &alignedRect, bool directRendering);
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void saveBackground();
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void draw();
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private:
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void restoreBackground();
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static byte _palette[256*3];
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const AtariGraphicsManager *_manager;
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const Screen *_parentScreen;
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const Graphics::Surface *_boundingSurf;
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int _xOffset = 0;
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bool _positionChanged = true;
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bool _surfaceChanged = true;
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bool _visibilityChanged = false;
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bool _visible = false;
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int _x;
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int _y;
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bool _outOfScreen = true;
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Common::Rect _srcRect;
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Common::Rect _dstRect;
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Graphics::Surface _savedBackground;
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Common::Rect _savedRect;
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Common::Rect _previousSrcRect;
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Common::Rect _alignedDstRect;
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// related to 'surface'
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const byte *_buf = nullptr;
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int _width;
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int _height;
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int _hotspotX;
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int _hotspotY;
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uint32 _keycolor;
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// TODO: make all surface-related variables and functions static, similar to _palette/
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// but there's a catch: we still need _surfaceChanged instantiated and convertTo may
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// be called when clipping changes. Perhaps Cursor should be a singleton and those
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// flags moved to Screen...
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Graphics::Surface _surface;
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Graphics::Surface _surfaceMask;
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int _rShift, _gShift, _bShift;
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int _rMask, _gMask, _bMask;
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};
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#endif // BACKENDS_GRAPHICS_ATARI_CURSOR_H
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