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engines/toon/text.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/>.
+ *
+ *
+ * This file is dual-licensed.
+ * In addition to the GPLv3 license mentioned above, MojoTouch has
+ * exclusively licensed this code on March 23th, 2024, to be used in
+ * closed-source products.
+ * Therefore, any contributions (commits) to it will also be dual-licensed.
+ *
+ */
+
+#include "common/debug.h"
+
+#include "toon/text.h"
+
+namespace Toon {
+
+TextResource::TextResource(ToonEngine *vm) : _vm(vm) {
+	_numTexts = 0;
+	_textData = nullptr;
+}
+
+TextResource::~TextResource(void) {
+	delete[] _textData;
+}
+
+bool TextResource::loadTextResource(const Common::Path &fileName) {
+	debugC(1, kDebugText, "loadTextResource(%s)", fileName.toString().c_str());
+
+	uint32 fileSize = 0;
+	uint8 *data = _vm->resources()->getFileData(fileName, &fileSize);
+	if (!data)
+		return false;
+
+	delete[] _textData;
+	_textData = new uint8[fileSize];
+	memcpy(_textData, data, fileSize);
+	_numTexts = READ_LE_UINT16(data);
+
+	return true;
+}
+
+int32 TextResource::getNext(int32 offset) {
+	debugC(1, kDebugText, "getNext(%d)", offset);
+
+	uint16 *table = (uint16 *)_textData + 1;
+	int a = getId(offset);
+	return READ_LE_UINT16(table + a + 1);
+}
+
+int32 TextResource::getId(int32 offset) {
+	debugC(1, kDebugText, "getId(%d)", offset);
+
+	uint16 *table = (uint16 *)_textData + 1;
+	int32 found = -1;
+	for (int32 i = 0; i < _numTexts; i++) {
+		if (offset == READ_LE_UINT16(table + i)) {
+			found = i;
+			break;
+		}
+	}
+	return found;
+}
+
+char *TextResource::getText(int32 offset) {
+	debugC(6, kDebugText, "getText(%d)", offset);
+
+	uint16 *table = (uint16 *)_textData + 1;
+	int32 found = -1;
+	for (int32 i = 0; i < _numTexts; i++) {
+		if (offset == READ_LE_UINT16(table + i)) {
+			found = i;
+			break;
+		}
+	}
+	if (found < 0)
+		return nullptr;
+
+	int32 realOffset = READ_LE_UINT16((uint16 *)_textData + 1 + _numTexts + found);
+	return (char *)_textData + realOffset;
+}
+
+} // End of namespace Toon