1 files changed, 101 insertions, 0 deletions
diff --git a/engines/bladerunner/text_resource.cpp b/engines/bladerunner/text_resource.cpp
new file mode 100644
index 0000000000..03460d039f
--- /dev/null
+++ b/engines/bladerunner/text_resource.cpp
@@ -0,0 +1,101 @@
+/* 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.
+ *
+ */
+
+
+#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 char *name) {
+	assert(strlen(name) <= 8);
+
+	char resName[13];
+	sprintf(resName, "%s.TRE", name);
+	Common::ScopedPtr<Common::SeekableReadStream> s(_vm->getResourceStream(resName));
+	if (!s)
+		return false;
+
+	_count = s->readUint32LE();
+
+	_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 0
+	debug("\n%s\n----------------", resName);
+	for (uint32 i = 0; i != (uint32)_count; ++i) {
+		debug("%3d: %s", i, getText(i));
+	}
+#endif
+
+	return true;
+}
+
+const char *TextResource::getText(uint32 id) {
+	for (uint32 i = 0; i != _count; ++i) {
+		if (_ids[i] == id) {
+			return _strings + _offsets[i];
+		}
+	}
+
+	return "";
+}
+
+} // End of namespace BladeRunner