diff options
-rw-r--r-- | engines/cine/cine.h | 3 | ||||
-rw-r--r-- | engines/cine/detection.cpp | 19 | ||||
-rw-r--r-- | engines/cine/part.cpp | 17 | ||||
-rw-r--r-- | engines/cine/part.h | 2 | ||||
-rw-r--r-- | engines/cine/prc.cpp | 2 |
5 files changed, 39 insertions, 4 deletions
diff --git a/engines/cine/cine.h b/engines/cine/cine.h index 431cdc2c22..6011036eb1 100644 --- a/engines/cine/cine.h +++ b/engines/cine/cine.h @@ -59,7 +59,8 @@ enum CineGameType { enum CineGameFeatures { GF_CD = 1 << 0, GF_DEMO = 1 << 1, - GF_ALT_FONT = 1 << 2 + GF_ALT_FONT = 1 << 2, + GF_CRYPTED_BOOT_PRC = 1 << 3 }; struct CINEGameDescription; diff --git a/engines/cine/detection.cpp b/engines/cine/detection.cpp index 2270cd781e..b15f30c35c 100644 --- a/engines/cine/detection.cpp +++ b/engines/cine/detection.cpp @@ -76,6 +76,25 @@ static const CINEGameDescription gameDescriptions[] = { 0, }, + // This is a CD version of Future Wars published by Sony. + // This version has a crypted AUTO00.PRC. + { + { + "fw", + "Sony CD version", + { + { "AUTO00.PRC", 0, "4fe1e7930b38e3c63f0f2474d471bf8f", -1}, + { "PART01", 0, "61d003202d301c29dd399acfb1354310", -1}, + { NULL, 0, NULL, 0} + }, + Common::EN_USA, + Common::kPlatformPC, + Common::ADGF_CD + }, + GType_FW, + GF_CD | GF_CRYPTED_BOOT_PRC, + }, + { // This is the version included in the UK "Classic Collection" { diff --git a/engines/cine/part.cpp b/engines/cine/part.cpp index 88f2dcef52..46f6bcb272 100644 --- a/engines/cine/part.cpp +++ b/engines/cine/part.cpp @@ -259,7 +259,12 @@ byte *readBundleSoundFile(const char *entryName, uint32 *size) { return data; } -byte *readFile(const char *filename) { +/*! \brief Rotate value to the left by n bits */ +byte rol(byte value, int n) { + return (byte) ((value << n) | (value >> (8 - n))); +} + +byte *readFile(const char *filename, bool crypted) { Common::File in; in.open(filename); @@ -272,6 +277,16 @@ byte *readFile(const char *filename) { byte *dataPtr = (byte *)malloc(size); in.read(dataPtr, size); + // The Sony published CD version of Future Wars has its + // AUTO00.PRC file's bytes rotated to the right by one. + // So we decode the so called crypting by rotating all + // the bytes to the left by one. + if (crypted) { + for (uint index = 0; index < size; index++) { + dataPtr[index] = rol(dataPtr[index], 1); + } + } + return dataPtr; } diff --git a/engines/cine/part.h b/engines/cine/part.h index 2a979e4879..72dc944db3 100644 --- a/engines/cine/part.h +++ b/engines/cine/part.h @@ -48,7 +48,7 @@ void readFromPart(int16 idx, byte *dataPtr); byte *readBundleFile(int16 foundFileIdx); byte *readBundleSoundFile(const char *entryName, uint32 *size = 0); -byte *readFile(const char *filename); +byte *readFile(const char *filename, bool crypted = false); void checkDataDisk(int16 param); diff --git a/engines/cine/prc.cpp b/engines/cine/prc.cpp index 27b1044620..5d789f9b3b 100644 --- a/engines/cine/prc.cpp +++ b/engines/cine/prc.cpp @@ -61,7 +61,7 @@ bool loadPrc(const char *pPrcName) { checkDataDisk(-1); if ((g_cine->getGameType() == Cine::GType_FW) && (!scumm_stricmp(pPrcName, BOOT_PRC_NAME) || !scumm_stricmp(pPrcName, "demo.prc"))) { - scriptPtr = dataPtr = readFile(pPrcName); + scriptPtr = dataPtr = readFile(pPrcName, (g_cine->getFeatures() & GF_CRYPTED_BOOT_PRC) != 0); } else { scriptPtr = dataPtr = readBundleFile(findFileInBundle(pPrcName)); } |