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Diffstat (limited to 'engines/lastexpress/data/cursor.cpp')
-rw-r--r-- | engines/lastexpress/data/cursor.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/engines/lastexpress/data/cursor.cpp b/engines/lastexpress/data/cursor.cpp new file mode 100644 index 0000000000..4e7003578a --- /dev/null +++ b/engines/lastexpress/data/cursor.cpp @@ -0,0 +1,144 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#include "lastexpress/data/cursor.h" + +#include "lastexpress/lastexpress.h" + +#include "common/system.h" +#include "graphics/cursorman.h" + +namespace LastExpress { + +Cursor::Cursor() : _current(kCursorMAX) { + memset(&_cursors, 0, sizeof(_cursors)); +} + +bool Cursor::load(Common::SeekableReadStream *stream) { + if (!stream) + return false; + + // Load the whole file to memory + Common::MemoryReadStream *data = stream->readStream((uint32) stream->size()); + delete stream; + if (!data) + return false; + + // Read the hotspot data + for (int i = 0; i < kCursorMAX; i++) { + _cursors[i].hotspotX = data->readUint16LE(); + _cursors[i].hotspotY = data->readUint16LE(); + debugC(15, kLastExpressDebugCursor | kLastExpressDebugAll, + "Cursor %d hotspot x: %d, hotspot y: %d", + i, _cursors[i].hotspotX, _cursors[i].hotspotY); + } + + // Read the pixel data + for (int i = 0; i < kCursorMAX; i++) + for (int pix = 0; pix < 32 * 32; pix++) + _cursors[i].image[pix] = data->readUint16LE(); + + delete data; + return true; +} + +void Cursor::show(bool visible) const { + CursorMan.showMouse(visible); +} + +bool Cursor::checkStyle(CursorStyle style) const { + if (style >= kCursorMAX) { + debugC(2, kLastExpressDebugGraphics, "Trying to use an invalid cursor style: was %d, max %d", (int)style, kCursorMAX); + return false; + } + + return true; +} + +void Cursor::setStyle(CursorStyle style) { + if (!checkStyle(style)) + return; + + if (style == _current) + return; + + debugC(10, kLastExpressDebugCursor | kLastExpressDebugAll, "Cursor: setting style: %d", style); + + // Save the new cursor + _current = style; + + // Reuse the screen pixel format + Graphics::PixelFormat pf = g_system->getScreenFormat(); + CursorMan.replaceCursor((const byte *)getCursorImage(style), + 32, 32, _cursors[style].hotspotX, _cursors[style].hotspotY, + 0, 1, &pf); +} + +const uint16 *Cursor::getCursorImage(CursorStyle style) const { + if (!checkStyle(style)) + return NULL; + + return _cursors[style].image; +} + + +Icon::Icon(CursorStyle style) : _style(style), _x(0), _y(0), _brightness(100) {} + +void Icon::setPosition(int16 x, int16 y) { + _x = x; + _y = y; +} + +void Icon::setBrightness(uint brightness) { + assert(brightness <= 100); + + _brightness = (uint8)brightness; +} + +Common::Rect Icon::draw(Graphics::Surface *surface) { + const uint16 *image = ((LastExpressEngine *)g_engine)->getCursor()->getCursorImage((CursorStyle)_style); + if (!image) + return Common::Rect(); + + // TODO adjust brightness. The original game seems to be using a table for that (at least in the highlighting case) + for (int j = 0; j < 32; j++) { + uint16 *s = (uint16 *)surface->getBasePtr(_x, _y + j); + for (int i = 0; i < 32; i++) { + if (_brightness == 100) + *s = *image; + else + // HACK change color to show highlight + *s = (*image & 0x739C) >> 1; + + // Update the image and surface pointers + image++; + s++; + } + } + + return Common::Rect(_x, _y, _x + 32, _y + 32); +} + +} // End of namespace LastExpress |