aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/graphics/cursor32.h
diff options
context:
space:
mode:
Diffstat (limited to 'engines/sci/graphics/cursor32.h')
-rw-r--r--engines/sci/graphics/cursor32.h255
1 files changed, 255 insertions, 0 deletions
diff --git a/engines/sci/graphics/cursor32.h b/engines/sci/graphics/cursor32.h
new file mode 100644
index 0000000000..88a75beb7f
--- /dev/null
+++ b/engines/sci/graphics/cursor32.h
@@ -0,0 +1,255 @@
+/* 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.
+ *
+ */
+
+#ifndef SCI_GRAPHICS_CURSOR32_H
+#define SCI_GRAPHICS_CURSOR32_H
+
+#include "common/rect.h" // for Point, Rect
+#include "common/scummsys.h" // for int16, byte, uint8
+#include "common/serializer.h" // for Serializable, Serializer (ptr only)
+#include "sci/graphics/celobj32.h" // for CelInfo32
+#include "sci/graphics/helpers.h" // for GuiResourceId
+
+namespace Sci {
+
+class GfxCursor32 : Common::Serializable {
+public:
+ GfxCursor32();
+ ~GfxCursor32();
+
+ /**
+ * Initialises the cursor system with the given
+ * buffer to use as the output buffer for
+ * rendering the cursor.
+ */
+ void init(const Buffer &vmap);
+
+ /**
+ * Called when the hardware mouse moves.
+ */
+ void deviceMoved(Common::Point &position);
+
+ /**
+ * Called by GfxFrameout once for each show
+ * rectangle that is going to be drawn to
+ * hardware.
+ */
+ void gonnaPaint(Common::Rect paintRect);
+
+ /**
+ * Called by GfxFrameout when the rendering to
+ * hardware begins.
+ */
+ void paintStarting();
+
+ /**
+ * Called by GfxFrameout when the output buffer
+ * has finished rendering to hardware.
+ */
+ void donePainting();
+
+ /**
+ * Hides the cursor. Each call to `hide` will
+ * increment a hide counter, which must be
+ * returned to 0 before the cursor will be
+ * shown again.
+ */
+ void hide();
+
+ /**
+ * Shows the cursor, if the hide counter is
+ * returned to 0.
+ */
+ void unhide();
+
+ /**
+ * Shows the cursor regardless of the state of
+ * the hide counter.
+ */
+ void show();
+
+ /**
+ * Sets the view used to render the cursor.
+ */
+ void setView(const GuiResourceId viewId, const int16 loopNo, const int16 celNo);
+
+ /**
+ * Explicitly sets the position of the cursor,
+ * in game script coordinates.
+ */
+ void setPosition(const Common::Point &position);
+
+ /**
+ * Sets the region that the mouse is allowed
+ * to move within.
+ */
+ void setRestrictedArea(const Common::Rect &rect);
+
+ /**
+ * Removes restrictions on mouse movement.
+ */
+ void clearRestrictedArea();
+
+ void setMacCursorRemapList(int cursorCount, reg_t *cursors);
+
+ virtual void saveLoadWithSerializer(Common::Serializer &ser);
+
+private:
+ struct DrawRegion {
+ Common::Rect rect;
+ byte *data;
+ uint8 skipColor;
+
+ DrawRegion() : rect(), data(nullptr) {}
+ };
+
+ /**
+ * Information about the current cursor.
+ * Used to restore cursor when loading a
+ * savegame.
+ */
+ CelInfo32 _cursorInfo;
+
+ /**
+ * Content behind the cursor? TODO
+ */
+ DrawRegion _cursorBack;
+
+ /**
+ * Scratch buffer.
+ */
+ DrawRegion _drawBuff1;
+
+ /**
+ * Scratch buffer 2.
+ */
+ DrawRegion _drawBuff2;
+
+ /**
+ * A draw region representing the current
+ * output buffer.
+ */
+ DrawRegion _vmapRegion;
+
+ /**
+ * The content behind the cursor in the
+ * output buffer.
+ */
+ DrawRegion _savedVmapRegion;
+
+ /**
+ * The cursor bitmap.
+ */
+ DrawRegion _cursor;
+
+ /**
+ * The width and height of the cursor,
+ * in screen coordinates.
+ */
+ int16 _width, _height;
+
+ /**
+ * The output buffer where the cursor is
+ * rendered.
+ */
+ Buffer _vmap;
+
+ /**
+ * The number of times the cursor has been
+ * hidden.
+ */
+ int _hideCount;
+
+ /**
+ * The rendered position of the cursor, in
+ * screen coordinates.
+ */
+ Common::Point _position;
+
+ /**
+ * The position of the cursor hot spot, relative
+ * to the cursor origin, in screen pixels.
+ */
+ Common::Point _hotSpot;
+
+ /**
+ * The area within which the cursor is allowed
+ * to move, in screen pixels.
+ */
+ Common::Rect _restrictedArea;
+
+ /**
+ * Indicates whether or not the cursor needs to
+ * be repainted on the output buffer due to a
+ * change of graphics in the area underneath the
+ * cursor.
+ */
+ bool _writeToVMAP;
+
+ // Mac versions of games use a remap list to remap their cursors
+ Common::Array<uint16> _macCursorRemap;
+
+ /**
+ * Reads data from the output buffer or hardware
+ * to the given draw region.
+ */
+ void readVideo(DrawRegion &target);
+
+ /**
+ * Reads data from the output buffer to the
+ * given draw region.
+ */
+ void readVideoFromVmap(DrawRegion &target);
+
+ /**
+ * Copies pixel data from the given source to
+ * the given target.
+ */
+ void copy(DrawRegion &target, const DrawRegion &source);
+
+ /**
+ * Draws from the given source onto the given
+ * target, skipping pixels in the source that
+ * match the `skipColor` property.
+ */
+ void paint(DrawRegion &target, const DrawRegion &source);
+
+ /**
+ * Draws the cursor to the position it was
+ * drawn to prior to moving offscreen or being
+ * hidden by a call to `hide`.
+ */
+ void revealCursor();
+
+ /**
+ * Draws the given source to the output buffer.
+ */
+ void drawToHardware(const DrawRegion &source);
+
+ /**
+ * Renders the cursor at its new location.
+ */
+ void move();
+};
+
+} // End of namespace Sci
+#endif