Initial commit

engines/cine/prc.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 "common/endian.h"
+#include "common/events.h"
+#include "common/config-manager.h"
+#include "common/system.h"	// for g_system->getEventManager()
+
+#include "cine/cine.h"
+#include "cine/various.h"
+
+
+namespace Cine {
+
+//char currentPrcName[20];
+
+/**
+ * @todo Is script size of 0 valid?
+ * @todo Fix script dump code
+ * @return Was the loading successful?
+ */
+bool loadPrc(const char *pPrcName) {
+	byte i;
+	uint16 numScripts;
+	byte *scriptPtr, *dataPtr;
+
+	assert(pPrcName);
+
+	g_cine->_globalScripts.clear();
+	g_cine->_scriptTable.clear();
+
+	// This is copy protection. Used to hang the machine
+	if (!scumm_stricmp(pPrcName, COPY_PROT_FAIL_PRC_NAME)) {
+		Common::Event event;
+		event.type = Common::EVENT_RETURN_TO_LAUNCHER;
+		g_system->getEventManager()->pushEvent(event);
+		return false;
+	}
+
+	checkDataDisk(-1);
+	if ((g_cine->getGameType() == Cine::GType_FW) &&
+		(!scumm_stricmp(pPrcName, BOOT_PRC_NAME) || !scumm_stricmp(pPrcName, "demo.prc"))) {
+		scriptPtr = dataPtr = readFile(pPrcName, (g_cine->getFeatures() & GF_CRYPTED_BOOT_PRC) != 0);
+	} else {
+		checkDataDisk(-1);
+		scriptPtr = dataPtr = readBundleFile(findFileInBundle(pPrcName));
+	}
+
+	assert(scriptPtr);
+
+	setMouseCursor(MOUSE_CURSOR_DISK);
+
+	numScripts = READ_BE_UINT16(scriptPtr);
+	scriptPtr += 2;
+	assert(numScripts <= NUM_MAX_SCRIPT);
+
+	for (i = 0; i < numScripts; i++) {
+		RawScriptPtr tmp(new RawScript(READ_BE_UINT16(scriptPtr)));
+		scriptPtr += 2;
+		assert(tmp);
+		g_cine->_scriptTable.push_back(tmp);
+	}
+
+	for (i = 0; i < numScripts; i++) {
+		uint16 size = g_cine->_scriptTable[i]->_size;
+		// TODO: delete the test?
+		if (size) {
+			g_cine->_scriptTable[i]->setData(*g_cine->_scriptInfo, scriptPtr);
+			scriptPtr += size;
+		}
+	}
+
+	free(dataPtr);
+
+#ifdef DUMP_SCRIPTS
+
+	{
+		uint16 s;
+		char buffer[256];
+
+		for (s = 0; s < numScripts; s++) {
+			if (g_cine->_scriptTable[s]->_size) {
+				Common::sprintf_s(buffer, "%s_%03d.txt", pPrcName, s);
+
+				decompileScript((const byte *)g_cine->_scriptTable[s]->getString(0), g_cine->_scriptTable[s]->_size, s);
+				dumpScript(buffer);
+			}
+		}
+	}
+#endif
+
+	return true;
+}
+
+} // End of namespace Cine