Initial commit

engines/queen/version.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 "queen/version.h"
+#include "queen/defs.h"
+
+#include "common/config-manager.h"
+#include "common/file.h"
+
+namespace Queen {
+
+//! known FOTAQ versions
+static const RetailGameVersion gameVersions[] = {
+	{ "PEM10", 1, 0x00000008,  22677657 },
+	{ "CEM10", 1, 0x0000584E, 190787021 },
+	{ "PFM10", 1, 0x0002CD93,  22157304 },
+	{ "CFM10", 1, 0x00032585, 186689095 },
+	{ "PGM10", 1, 0x00059ACA,  22240013 },
+	{ "CGM10", 1, 0x0005F2A7, 217648975 },
+	{ "PIM10", 1, 0x000866B1,  22461366 },
+	{ "CIM10", 1, 0x0008BEE2, 190795582 },
+	{ "CSM10", 1, 0x000B343C, 190730602 },
+	{ "CHM10", 1, 0x000DA981, 190705558 },
+	{ "PE100", 1, 0x00101EC6,   3724538 },
+	{ "PE100", 1, 0x00102B7F,   3732177 },
+	{ "PEint", 1, 0x00103838,   1915913 },
+	{ "aEM10", 2, 0x00103F1E,    351775 },
+	{ "CE101", 2, 0x00107D8D,    563335 },
+	{ "PE100", 2, 0x001086D4,    597032 },
+	{ "aGM10", 3, 0x00108C6A,    344575 }
+};
+
+bool detectVersion(DetectedGameVersion *ver, Common::File *f) {
+	memset(ver, 0, sizeof(DetectedGameVersion));
+
+	if (f->readUint32BE() == MKTAG('Q','T','B','L')) {
+		f->read(ver->str, 6);
+		f->skip(2);
+		ver->compression = f->readByte();
+		ver->features = GF_REBUILT;
+		ver->queenTblVersion = 0;
+		ver->queenTblOffset = 0;
+	} else {
+		const RetailGameVersion *gameVersion = detectGameVersionFromSize(f->size());
+		if (gameVersion == nullptr) {
+			warning("Unknown/unsupported FOTAQ version");
+			return false;
+		}
+		Common::strcpy_s(ver->str, gameVersion->str);
+		ver->compression = COMPRESSION_NONE;
+		ver->features = 0;
+		ver->queenTblVersion = gameVersion->queenTblVersion;
+		ver->queenTblOffset = gameVersion->queenTblOffset;
+
+		// Handle game versions for which versionStr information is irrevelant
+		if (gameVersion == &gameVersions[VER_AMI_DEMO]) { // CE101
+			ver->language = Common::EN_ANY;
+			ver->features |= GF_FLOPPY | GF_DEMO;
+			ver->platform = Common::kPlatformAmiga;
+			return true;
+		}
+		if (gameVersion == &gameVersions[VER_AMI_INTERVIEW]) { // PE100
+			ver->language = Common::EN_ANY;
+			ver->features |= GF_FLOPPY | GF_INTERVIEW;
+			ver->platform = Common::kPlatformAmiga;
+			return true;
+		}
+	}
+
+	switch (ver->str[1]) {
+	case 'E':
+		if (Common::parseLanguage(ConfMan.get("language")) == Common::RU_RUS) {
+			ver->language = Common::RU_RUS;
+		} else if (Common::parseLanguage(ConfMan.get("language")) == Common::EL_GRC) {
+			ver->language = Common::EL_GRC;
+		} else {
+			ver->language = Common::EN_ANY;
+		}
+		break;
+	case 'F':
+		ver->language = Common::FR_FRA;
+		break;
+	case 'G':
+		ver->language = Common::DE_DEU;
+		break;
+	case 'H':
+		ver->language = Common::HE_ISR;
+		break;
+	case 'I':
+		ver->language = Common::IT_ITA;
+		break;
+	case 'S':
+		ver->language = Common::ES_ESP;
+		break;
+	case 'g':
+		ver->language = Common::EL_GRC;
+		break;
+	case 'R':
+		ver->language = Common::RU_RUS;
+		break;
+	default:
+		error("Invalid language id '%c'", ver->str[1]);
+		break;
+	}
+
+	switch (ver->str[0]) {
+	case 'P':
+		ver->features |= GF_FLOPPY;
+		ver->platform = Common::kPlatformDOS;
+		break;
+	case 'C':
+		ver->features |= GF_TALKIE;
+		ver->platform = Common::kPlatformDOS;
+		break;
+	case 'a':
+		ver->features |= GF_FLOPPY;
+		ver->platform = Common::kPlatformAmiga;
+		break;
+	default:
+		error("Invalid platform id '%c'", ver->str[0]);
+		break;
+	}
+
+	if (strcmp(ver->str + 2, "100") == 0 || strcmp(ver->str + 2, "101") == 0) {
+		ver->features |= GF_DEMO;
+	} else if (strcmp(ver->str + 2, "int") == 0) {
+		ver->features |= GF_INTERVIEW;
+	}
+	return true;
+}
+
+const RetailGameVersion *detectGameVersionFromSize(uint32 size) {
+	for (int i = 0; i < VER_COUNT; ++i) {
+		if (gameVersions[i].dataFileSize == size) {
+			return &gameVersions[i];
+		}
+	}
+	return nullptr;
+}
+
+} // End of namespace Queen