From 5279c5807210578a7390b01d62fb978550d7b527 Mon Sep 17 00:00:00 2001 From: Benjamin Haisch Date: Mon, 21 Apr 2008 07:28:13 +0000 Subject: Fixed endian issues in get/setObjectProperty. svn-id: r31638 --- engines/made/database.cpp | 56 ++++++++++++++--------------------------------- 1 file changed, 17 insertions(+), 39 deletions(-) diff --git a/engines/made/database.cpp b/engines/made/database.cpp index fc20087039..75e0e2ab9b 100644 --- a/engines/made/database.cpp +++ b/engines/made/database.cpp @@ -52,16 +52,6 @@ void Object::load(Common::SeekableReadStream &source) { source.readUint16LE(); // skip flags uint16 type = source.readUint16LE(); - /* - if (type < 0x7FFE) { - byte count1 = source.readByte(); - byte count2 = source.readByte(); - _objSize = (count1 + count2) * 2; - } else { - _objSize = source.readUint16LE(); - } - */ - if (type == 0x7FFF) { _objSize = source.readUint16LE(); } else if (type == 0x7FFE) { @@ -79,10 +69,6 @@ void Object::load(Common::SeekableReadStream &source) { _objData = new byte[_objSize]; source.read(_objData, _objSize); - /* - debug(2, "Object::load(con): flags = %04X; type = %04X; _objSize = %04X\n", getFlags(), getClass(), _objSize); - fflush(stdout); - */ } void Object::load(byte *source) { @@ -98,11 +84,6 @@ void Object::load(byte *source) { _objSize += 6; - /* - debug(2, "Object::load(var): flags = %04X; type = %04X; _objSize = %04X\n", getFlags(), getClass(), _objSize); - fflush(stdout); - */ - } uint16 Object::getFlags() const { @@ -160,10 +141,10 @@ int16 Object::getVectorItem(int16 index) { return vector[index]; } else if (getClass() == 0x7FFE) { int16 *vector = (int16*)getData(); - return vector[index]; + return READ_LE_UINT16(&vector[index]); } else if (getClass() < 0x7FFE) { int16 *vector = (int16*)getData(); - return vector[index]; + return READ_LE_UINT16(&vector[index]); } else { return 0; // FIXME } @@ -175,7 +156,7 @@ void Object::setVectorItem(int16 index, int16 value) { vector[index] = value; } else if (getClass() <= 0x7FFE) { int16 *vector = (int16*)getData(); - vector[index] = value; + WRITE_LE_UINT16(&vector[index], value); } } @@ -224,7 +205,10 @@ void GameDatabase::open(const char *filename) { for (uint32 i = 0; i < objectCount; i++) { Object *obj = new Object(); - // The LSB indicates if it's a constant or variable object + + // The LSB indicates if it's a constant or variable object. + // Constant objects are loaded from disk, while variable objects exist + // in the _gameState buffer. debug(2, "obj(%04X) ofs = %08X\n", i, objectOffsets[i]); @@ -252,8 +236,6 @@ void GameDatabase::setVar(int16 index, int16 value) { int16 *GameDatabase::getObjectPropertyPtr(int16 objectIndex, int16 propertyId, int16 &propertyFlag) { Object *obj = getObject(objectIndex); - //dumpObject(objectIndex); - int16 *prop = (int16*)obj->getData(); byte count1 = obj->getCount1(); byte count2 = obj->getCount2(); @@ -265,11 +247,11 @@ int16 *GameDatabase::getObjectPropertyPtr(int16 objectIndex, int16 propertyId, i // First see if the property exists in the given object while (count2-- > 0) { - if ((*prop & 0x3FFF) == propertyId) { - if (*prop & 0x4000) { + if ((READ_LE_UINT16(prop) & 0x3FFF) == propertyId) { + if (READ_LE_UINT16(prop) & 0x4000) { debug(2, "! L1.1\n"); propertyFlag = 1; - return (int16*)_gameState + *propPtr1; + return (int16*)_gameState + READ_LE_UINT16(propPtr1); } else { debug(2, "! L1.2\n"); propertyFlag = obj->getFlags() & 1; @@ -291,8 +273,6 @@ int16 *GameDatabase::getObjectPropertyPtr(int16 objectIndex, int16 propertyId, i debug(2, "parentObjectIndex = %04X\n", parentObjectIndex); - //dumpObject(parentObjectIndex); - obj = getObject(parentObjectIndex); prop = (int16*)obj->getData(); @@ -303,12 +283,12 @@ int16 *GameDatabase::getObjectPropertyPtr(int16 objectIndex, int16 propertyId, i int16 *propertyPtr = prop + count1; while (count2-- > 0) { - if (!(*prop & 0x8000)) { - if ((*prop & 0x3FFF) == propertyId) { + if (!(READ_LE_UINT16(prop) & 0x8000)) { + if ((READ_LE_UINT16(prop) & 0x3FFF) == propertyId) { if (*prop & 0x4000) { debug(2, "! L2.1\n"); propertyFlag = 1; - return (int16*)_gameState + *propPtr1; + return (int16*)_gameState + READ_LE_UINT16(propPtr1); } else { debug(2, "! L2.2\n"); propertyFlag = obj->getFlags() & 1; @@ -318,11 +298,11 @@ int16 *GameDatabase::getObjectPropertyPtr(int16 objectIndex, int16 propertyId, i propPtr1++; } } else { - if ((*prop & 0x3FFF) == propertyId) { + if ((READ_LE_UINT16(prop) & 0x3FFF) == propertyId) { if (*prop & 0x4000) { debug(2, "! L3.1\n"); propertyFlag = 1; - return (int16*)_gameState + *propertyPtr; + return (int16*)_gameState + READ_LE_UINT16(propertyPtr); } else { debug(2, "! L3.2\n"); propertyFlag = obj->getFlags() & 1; @@ -341,8 +321,6 @@ int16 *GameDatabase::getObjectPropertyPtr(int16 objectIndex, int16 propertyId, i debug(2, "! NULL(nf)\n"); return NULL; - fflush(stdout); - } int16 GameDatabase::getObjectProperty(int16 objectIndex, int16 propertyId) { @@ -354,7 +332,7 @@ int16 GameDatabase::getObjectProperty(int16 objectIndex, int16 propertyId) { int16 *property = getObjectPropertyPtr(objectIndex, propertyId, propertyFlag); if (property) { - return *property; + return (int16)READ_LE_UINT16(property); } else { return 0; } @@ -371,7 +349,7 @@ int16 GameDatabase::setObjectProperty(int16 objectIndex, int16 propertyId, int16 if (property) { if (propertyFlag == 1) { - *property = value; + WRITE_LE_UINT16(property, value); } else { debug(2, "GameDatabase::setObjectProperty(%04X, %04X, %04X) Trying to set constant property\n", objectIndex, propertyId, value); -- cgit v1.2.3