Initial commit

engines/bbvs/spritemodule.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "bbvs/spritemodule.h"
+
+namespace Bbvs {
+
+byte *Sprite::getRow(int y) {
+	if (type == 1)
+		return data + READ_LE_UINT32((data + offset) + y * 4);
+	else
+		return data + offset + y * width;
+}
+
+SpriteModule::SpriteModule()
+	: _spritesCount(0), _paletteStart(0), _paletteCount(0), _spriteData(nullptr), _spriteDataSize(0),
+	_spriteTblOffs(0), _paletteOffs(0) {
+}
+
+SpriteModule::~SpriteModule() {
+	unload();
+}
+
+void SpriteModule::load(const Common::Path &filename) {
+	unload();
+
+	Common::File fd;
+	if (!fd.open(filename))
+		error("SpriteModule::load() Could not open %s", filename.toString(Common::Path::kNativeSeparator).c_str());
+
+	fd.readUint32LE(); // Skip magic
+	fd.readUint32LE(); // Skip unused
+	fd.readUint32LE(); // Skip filesize
+
+	_paletteOffs = fd.readUint32LE();
+	fd.readUint32LE(); // Skip unused flagsTbl1Ofs
+	fd.readUint32LE(); // Skip unused flagsTbl2Ofs
+	_spriteTblOffs = fd.readUint32LE();
+	_paletteStart = fd.readUint32LE();
+	_paletteCount = fd.readUint32LE();
+	_spritesCount = fd.readUint32LE();
+
+	debug(0, "_paletteOffs: %08X", _paletteOffs);
+	debug(0, "_spriteTblOffs: %08X", _spriteTblOffs);
+	debug(0, "_paletteStart: %d", _paletteStart);
+	debug(0, "_paletteCount: %d", _paletteCount);
+	debug(0, "_spritesCount: %d", _spritesCount);
+
+	_spriteDataSize = fd.size();
+	_spriteData = new byte[_spriteDataSize];
+	fd.seek(0);
+	fd.read(_spriteData, _spriteDataSize);
+
+	// Convert palette
+	byte *palette = _spriteData + _paletteOffs;
+	for (int i = 0; i < _paletteCount; ++i) {
+		palette[i * 3 + 0] <<= 2;
+		palette[i * 3 + 1] <<= 2;
+		palette[i * 3 + 2] <<= 2;
+	}
+
+}
+
+Sprite SpriteModule::getSprite(int index) {
+	Sprite sprite;
+	uint32 spriteOffs = READ_LE_UINT32(_spriteData + _spriteTblOffs + index * 4);
+	byte *info = _spriteData + spriteOffs;
+	sprite.data = _spriteData;
+	sprite.offset = READ_LE_UINT32(info + 0);
+	sprite.type = READ_LE_UINT32(info + 4);
+	sprite.width = READ_LE_UINT32(info + 8);
+	sprite.height = READ_LE_UINT32(info + 12);
+	sprite.xOffs = READ_LE_UINT32(info + 16);
+	sprite.yOffs = READ_LE_UINT32(info + 20);
+	return sprite;
+}
+
+Palette SpriteModule::getPalette() {
+	Palette palette;
+	palette.data = _spriteData + _paletteOffs;
+	palette.start = _paletteStart;
+	palette.count = _paletteCount;
+	return palette;
+}
+
+void SpriteModule::unload() {
+	_spritesCount = 0;
+	_paletteStart = 0;
+	_paletteCount = 0;
+	delete[] _spriteData;
+	_spriteData = nullptr;
+}
+
+} // End of namespace Bbvs