ushort GetRelocationKey(RelocationPointerInfo info) // Details about a pointer to a certain block
{
return(GetRelocationKey(info.module, info.id));
}
private void RelocatePointerFile(SNAMemoryBlock pf, RelocationTable rt)
{
MapLoader l = MapLoader.Loader;
reader.BaseStream.Seek(pf.dataPosition, SeekOrigin.Begin);
if (rt != null)
{
foreach (RelocationPointerList ptrList in rt.pointerBlocks)
{
int listIndex = 0;
for (uint i = 0; i < pf.size / 4; i++)
{
uint ptrValue = reader.ReadUInt32();
RelocationPointerInfo info = null;
if (Settings.s.engineVersion == Settings.EngineVersion.Montreal)
{
foreach (RelocationPointerInfo info_new in ptrList.pointers)
{
if (info_new.offsetInMemory == ptrValue)
{
info = info_new;
break;
}
}
}
else
{
if (ptrList.pointers[listIndex].offsetInMemory == ptrValue)
{
info = ptrList.pointers[listIndex];
}
}
if (info != null)
{
ushort ptrRelocationKey = GetRelocationKey(info);
SNAMemoryBlock ptr_block_local = relocation_local[ptrRelocationKey];
SNAMemoryBlock ptr_block_global = (ptr_block_local.size != 0) ? ptr_block_local : l.relocation_global[ptrRelocationKey];
if (ptr_block_global != null && ptr_block_local != null && ptr_block_local.baseInMemory != -1)
{
ptrValue -= (uint)ptr_block_local.baseInMemory;
if (info.module != tmpModule)
{
ptrValue += ptr_block_global.dataPosition;
}
Pointer pointer = new Pointer(ptrValue, ptr_block_global.sna);
pointers[pf.dataPosition + (i * 4)] = pointer;
}
else
{
l.print("Pointer error: SNA part (" + info.module + "," + info.id + ") not found.");
}
if (Settings.s.engineVersion != Settings.EngineVersion.Montreal)
{
listIndex++;
if (listIndex >= ptrList.pointers.Length)
{
break;
}
}
}
}
}
}
else
{
// Tonic Trouble has rt=null for the levels, so let's go with a little hack
for (uint i = 0; i < pf.size / 4; i++)
{
uint ptrValue = reader.ReadUInt32();
foreach (SNAMemoryBlock block in MapLoader.Loader.relocation_global.Values)
{
if (ptrValue > block.baseInMemory && ptrValue < block.baseInMemory + block.size)
{
ptrValue -= (uint)block.baseInMemory;
ptrValue += block.dataPosition;
Pointer pointer = new Pointer(ptrValue, block.sna);
pointers[pf.dataPosition + (i * 4)] = pointer;
}
}
}
}
}
