1 files changed, 314 insertions, 0 deletions
diff --git a/engines/groovie/cursor.cpp b/engines/groovie/cursor.cpp
new file mode 100644
index 0000000000..3dd1f9bc6e
--- /dev/null
+++ b/engines/groovie/cursor.cpp
@@ -0,0 +1,314 @@
+/* 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 "groovie/cursor.h"
+#include "groovie/groovie.h"
+
+namespace Groovie {
+
+// Cursor Manager
+
+CursorMan::CursorMan(OSystem *system) :
+	_syst(system), _lastTime(0), _cursor(NULL) {
+}
+
+CursorMan::~CursorMan() {
+	// Delete the cursors
+	for (uint cursor = 0; cursor < _cursors.size(); cursor++) {
+		delete _cursors[cursor];
+	}
+}
+
+uint8 CursorMan::getStyle() {
+	return _current;
+}
+
+void CursorMan::setStyle(uint8 newStyle) {
+	// Reset the animation
+	_lastFrame = 254;
+	_lastTime = 1;
+
+	// Save the new cursor
+	_current = newStyle;
+	_cursor = _cursors[newStyle];
+
+	// Show the first frame
+	_cursor->enable();
+	animate();
+}
+
+void CursorMan::animate() {
+	if (_lastTime) {
+		int newTime = _syst->getMillis();
+		if (_lastTime - newTime >= 75) {
+			_lastFrame++;
+			_lastFrame %= _cursor->getFrames();
+			_cursor->showFrame(_lastFrame);
+			_lastTime = _syst->getMillis();
+		}
+	}
+}
+
+
+// t7g Cursor
+
+class Cursor_t7g : public Cursor {
+public:
+	Cursor_t7g(OSystem *system, uint8 *img, uint8 *pal);
+
+	void enable();
+	void showFrame(uint16 frame);
+
+private:
+	OSystem *_syst;
+	byte *_img;
+	byte *_pal;
+};
+
+Cursor_t7g::Cursor_t7g(OSystem *system, uint8 *img, uint8 *pal) :
+	_syst(system), _pal(pal) {
+
+	_width = img[0];
+	_height = img[1];
+	_numFrames = img[2];
+	uint8 elinor1 = img[3];
+	uint8 elinor2 = img[4];
+
+	_img = img + 5;
+
+	debugC(1, kGroovieDebugCursor | kGroovieDebugAll, "Groovie::Cursor: width: %d, height: %d, frames:%d", _width, _height, _numFrames);
+	debugC(1, kGroovieDebugCursor | kGroovieDebugUnknown | kGroovieDebugAll, "Groovie::Cursor: elinor: 0x%02X (%d), 0x%02X (%d)", elinor1, elinor1, elinor2, elinor2);
+}
+
+void Cursor_t7g::enable() {
+	// Apply the palette
+	_syst->setCursorPalette(_pal, 0, 32);
+}
+
+void Cursor_t7g::showFrame(uint16 frame) {
+	// Set the mouse cursor
+	int offset = _width * _height * frame;
+	_syst->setMouseCursor((const byte *)_img + offset, _width, _height, _width >> 1, _height >> 1, 0);
+}
+
+
+// t7g Cursor Manager
+
+#define NUM_IMGS 9
+static const uint16 cursorDataOffsets[NUM_IMGS] = {
+0x0000, 0x182f, 0x3b6d, 0x50cc, 0x6e79, 0x825d, 0x96d7, 0xa455, 0xa776
+};
+
+#define NUM_PALS 7
+//Pals: 0xb794, 0xb7f4, 0xb854, 0xb8b4, 0xb914, 0xb974, 0xb9d4
+
+#define NUM_STYLES 11
+// pyramid is cursor 8, eyes are 9 & 10
+const uint CursorMan_t7g::_cursorImg[NUM_STYLES] = {3, 5, 4, 3, 1, 0, 2, 6, 7, 8, 8};
+const uint CursorMan_t7g::_cursorPal[NUM_STYLES] = {0, 0, 0, 0, 2, 0, 1, 3, 5, 4, 6};
+
+CursorMan_t7g::CursorMan_t7g(OSystem *system) :
+	CursorMan(system) {
+
+	// Open the cursors file
+	Common::File robgjd;
+	if (!robgjd.open("rob.gjd")) {
+		error("Groovie::Cursor: Couldn't open rob.gjd");
+		return;
+	}
+
+	// Load the images
+	for (uint imgnum = 0; imgnum < NUM_IMGS; imgnum++) {
+		robgjd.seek(cursorDataOffsets[imgnum]);
+		_images.push_back(loadImage(robgjd));
+	}
+
+	// Load the palettes
+	robgjd.seek(-0x60 * NUM_PALS, SEEK_END);
+	for (uint palnum = 0; palnum < NUM_PALS; palnum++) {
+		_palettes.push_back(loadPalette(robgjd));
+	}
+
+	// Build the cursors
+	for (uint cursor = 0; cursor < NUM_STYLES; cursor++) {
+		Cursor *s = new Cursor_t7g(_syst, _images[_cursorImg[cursor]], _palettes[_cursorPal[cursor]]);
+		_cursors.push_back(s);
+	}
+
+	robgjd.close();
+}
+
+CursorMan_t7g::~CursorMan_t7g() {
+	// Delete the images
+	for (uint img = 0; img < _images.size(); img++) {
+		delete[] _images[img];
+	}
+
+	// Delete the palettes
+	for (uint pal = 0; pal < _palettes.size(); pal++) {
+		delete[] _palettes[pal];
+	}
+}
+
+byte *CursorMan_t7g::loadImage(Common::File &file) {
+	uint16 decompbytes = 0, offset, i, length;
+	uint8 flagbyte, lengthmask = 0x0F, offsetlen, var_8;
+	byte *cursorStorage = new byte[65536];
+	uint8 *runningcursor = cursorStorage;
+
+	bool finished = false;
+	while (!(finished || file.eos())) {
+		flagbyte = file.readByte();
+		for (i = 1; i <= 8; i++) {
+			if (!file.eos()) {
+				if (flagbyte & 1) {
+					*(runningcursor++) = file.readByte();
+					decompbytes++;
+				} else {
+					var_8 = file.readByte();
+					offsetlen = file.readByte();
+					if (var_8 == 0 && offsetlen == 0) {
+						finished = true;
+						break;
+					}
+					length = (offsetlen & lengthmask) + 3;
+					offsetlen >>= 4;
+					offset = (offsetlen << 8) + var_8;
+					decompbytes += length;
+
+					for (; length > 0; length--, runningcursor++) {
+						*(runningcursor) = *(runningcursor - offset);
+					}
+				}
+				flagbyte = flagbyte >> 1;
+			}
+		}
+	}
+
+	return cursorStorage;
+}
+
+byte *CursorMan_t7g::loadPalette(Common::File &file) {
+	byte *palette = new byte[4 * 32];
+	for (uint8 colournum = 0; colournum < 32; colournum++) {
+		palette[colournum * 4 + 0] = file.readByte();
+		palette[colournum * 4 + 1] = file.readByte();
+		palette[colournum * 4 + 2] = file.readByte();
+		palette[colournum * 4 + 3] = 0;
+	}
+	return palette;
+}
+
+
+// v2 Cursor
+
+class Cursor_v2 : public Cursor {
+public:
+	Cursor_v2(Common::File &file);
+
+	void enable();
+	void showFrame(uint16 frame);
+
+private:
+	//byte *_data;
+};
+
+Cursor_v2::Cursor_v2(Common::File &file) {
+	_numFrames = file.readUint16LE();
+	_width = file.readUint16LE();
+	_height = file.readUint16LE();
+
+	debugC(1, kGroovieDebugCursor | kGroovieDebugAll, "Groovie::Cursor: width: %d, height: %d, frames:%d", _width, _height, _numFrames);
+
+	uint16 tmp16 = file.readUint16LE();
+	debugC(5, kGroovieDebugCursor | kGroovieDebugAll, "hotspot x?: %d\n", tmp16);
+	tmp16 = file.readUint16LE();
+	debugC(5, kGroovieDebugCursor | kGroovieDebugAll, "hotspot y?: %d\n", tmp16);
+	int loop2count = file.readUint16LE();
+	debugC(5, kGroovieDebugCursor | kGroovieDebugAll, "loop2count?: %d\n", loop2count);
+	for (int l = 0; l < loop2count; l++) {
+		tmp16 = file.readUint16LE();
+		debugC(5, kGroovieDebugCursor | kGroovieDebugAll, "loop2a: %d\n", tmp16);
+		tmp16 = file.readUint16LE();
+		debugC(5, kGroovieDebugCursor | kGroovieDebugAll, "loop2b: %d\n", tmp16);
+	}
+
+	file.seek(0x20 * 3, SEEK_CUR);
+
+	for (int f = 0; f < _numFrames; f++) {
+		uint32 tmp32 = file.readUint32LE();
+		debugC(5, kGroovieDebugCursor | kGroovieDebugAll, "loop3: %d\n", tmp32);
+
+		//file.seek(tmp32, SEEK_CUR);
+		byte *data = new byte[tmp32];
+		file.read(data, tmp32);
+		//Common::hexdump(data, tmp32);
+		delete[] data;
+	}
+}
+
+void Cursor_v2::enable() {
+}
+
+void Cursor_v2::showFrame(uint16 frame) {
+}
+
+
+// v2 Cursor Manager
+
+CursorMan_v2::CursorMan_v2(OSystem *system) :
+	CursorMan(system) {
+
+	// Open the icons file
+	Common::File iconsFile;
+	if (!iconsFile.open("icons.ph")) {
+		error("Groovie::Cursor: Couldn't open icons.ph");
+		return;
+	}
+
+	// Verify the signature
+	uint32 tmp32 = iconsFile.readUint32LE();
+	uint16 tmp16 = iconsFile.readUint16LE();
+	if (tmp32 != 0x6e6f6369 || tmp16 != 1) {
+		error("Groovie::Cursor: icons.ph signature failed: %04X %d", tmp32, tmp16);
+		return;
+	}
+
+	// Read the number of icons
+	uint16 nicons = iconsFile.readUint16LE();
+
+	// Read the icons
+	for (int i = 0; i < nicons; i++) {
+		Cursor *s = new Cursor_v2(iconsFile);
+		_cursors.push_back(s);
+	}
+
+	iconsFile.close();
+}
+
+CursorMan_v2::~CursorMan_v2() {
+}
+
+} // End of Groovie namespace