Initial commit

engines/bladerunner/text_resource.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 "bladerunner/text_resource.h"
+
+#include "bladerunner/bladerunner.h"
+
+#include "common/debug.h"
+#include "common/util.h"
+
+namespace BladeRunner {
+
+TextResource::TextResource(BladeRunnerEngine *vm) {
+	_vm      = vm;
+	_count   = 0;
+	_ids     = nullptr;
+	_offsets = nullptr;
+	_strings = nullptr;
+}
+
+TextResource::~TextResource() {
+	delete[] _ids;
+	delete[] _offsets;
+	delete[] _strings;
+}
+
+bool TextResource::open(const Common::String &name, bool localized) {
+	assert(name.size() <= 8);
+
+	Common::String resName;
+	if (localized) {
+		resName = Common::String::format("%s.TR%s", name.c_str(), _vm->_languageCode.c_str());
+	} else {
+		resName = Common::String::format("%s.TRE", name.c_str());
+	}
+	Common::ScopedPtr<Common::SeekableReadStream> s(_vm->getResourceStream(resName));
+	if (!s) {
+		warning("TextResource::open(): Can not open %s", resName.c_str());
+		return false;
+	}
+
+	_count = s->readUint32LE();
+
+	assert(s->size() >= 4 * (2 * _count + 1));
+
+	_ids = new uint32[_count];
+	_offsets = new uint32[_count + 1];
+
+	for (uint32 i = 0; i != _count; ++i) {
+		_ids[i] = s->readUint32LE();
+	}
+
+	for (uint32 i = 0; i != _count + 1; ++i) {
+		_offsets[i] = s->readUint32LE();
+	}
+
+	uint32 stringsStart = s->pos() - 4;
+
+	for (uint32 i = 0; i != _count + 1; ++i) {
+		_offsets[i] -= stringsStart;
+	}
+
+	uint32 remain = s->size() - s->pos();
+	_strings = new char[remain];
+
+	assert(remain >= _offsets[_count]);
+
+	s->read(_strings, remain);
+
+#if BLADERUNNER_DEBUG_CONSOLE
+	debug("\n%s\n----------------", resName.c_str());
+	for (uint32 i = 0; i != (uint32)_count; ++i) {
+		debug("%3d: %s", _ids[i], getText(_ids[i]));
+	}
+#endif
+
+	return true;
+}
+
+const char *TextResource::getText(uint32 id) const {
+	for (uint32 i = 0; i != _count; ++i) {
+		if (_ids[i] == id) {
+			return _strings + _offsets[i];
+		}
+	}
+
+	return "";
+}
+
+const char *TextResource::getOuttakeTextByFrame(uint32 frame) const {
+	for (uint32 i = 0; i != _count; ++i) {
+		//debug("Checking %d - so within: %d , %d", _ids[i], (0x0000FFFF & _ids[i]), ((_ids[i] >> 16) & 0x0000FFFF ) );
+		if ((frame >= (0x0000FFFF & _ids[i]) )   && (frame <  ((_ids[i] >> 16) & 0x0000FFFF ) )) {
+			// we found an id with lower 16bits smaller or equal to our frame key
+			// and with higher 16 bits higher than the frame key
+			return _strings + _offsets[i];
+		}
+	}
+	return "";
+}
+
+int TextResource::getCount() const {
+	return _count;
+}
+
+} // End of namespace BladeRunner