mirror of
https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
Miro Kropacek
0c77d67845
Instead of having one globally in AtariGraphicsManager. This simplifies code and cleans up a lot of dark corners in AtariGraphicsManager. A slight disadvantage is that now the cursor surface has be to converted for each buffer.
139 lines
3.4 KiB
C++
139 lines
3.4 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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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(AtariGraphicsManager *manager, Screen *screen)
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: _manager(manager)
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, _parentScreen(screen) {
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}
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void reset() {
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_positionChanged = true;
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_surfaceChanged = true;
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_visibilityChanged = false;
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_savedRect = 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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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 convertTo(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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bool intersects(const Common::Rect &rect) const {
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return rect.intersects(_dstRect);
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}
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void flushBackground(const Graphics::Surface &srcSurface, const Common::Rect &rect);
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bool restoreBackground(const Graphics::Surface &srcSurface, bool force);
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bool draw(bool directRendering, bool force);
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private:
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static byte _palette[256*3];
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AtariGraphicsManager *_manager;
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Screen *_parentScreen;
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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 = -1, _y = -1;
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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; // used by direct rendering
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Common::Rect _savedRect;
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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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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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