private void ReadScriptSCI1_1()
{
// https://github.com/scummvm/scummvm/blob/master/engines/sci/engine/script.cpp#L390
// https://github.com/icefallgames/SCICompanion/blob/master/SCICompanionLib/Src/Compile/CompiledScript.cpp#L226
List <ushort> exportsTO = new List <ushort>();
List <ushort> exportedObjInst = new List <ushort>();
var heapRes = Package.GetResouce(ResType.Heap, Resource.Volumes[0].Num);
using (var stream = new MemoryStream(SourceData.Length))
{
stream.Write(SourceData, 0, SourceData.Length);
stream.Seek(0, SeekOrigin.Begin);
var endOfStringOffset = stream.ReadUShortBE();
var heapPoints = ReadOffsets(stream, endOfStringOffset);
stream.Seek(4, SeekOrigin.Current);
var exportsCount = stream.ReadUShortBE();
for (int i = 0; i < exportsCount; i++)
{
var isHeapPointer = heapPoints.Contains((ushort)stream.Position);
var exportOffset = stream.ReadUShortBE();
exportsTO.Add(exportOffset);
if (isHeapPointer)
{
exportedObjInst.Add(exportOffset);
}
}
List <LocalVar> localVars = new List <LocalVar>();
var heapData = heapRes.GetContent(_translated);
using (var heap = new MemoryStream(heapData))
{
var stringOffset = heap.ReadUShortBE();
StringOffsets = ReadOffsets(heap, stringOffset);
var localsCount = heap.ReadUShortBE();
for (int i = 0; i < localsCount; i++)
{
bool isObjectOrString = StringOffsets.Contains((ushort)heap.Position);
ushort w = heap.ReadUShortBE();
localVars.Add(new LocalVar {
Value = w, IsObjectOrString = isObjectOrString
});
}
while (true)
{
var magic = heap.ReadUShortBE();
if (magic == 0)
{
break;
}
if (magic != 0x1234)
{
throw new Exception("Wrong script format");
}
var obj = new Object1_1(this);
obj.Read(stream, heap);
Objects.Add(obj);
}
do
{
var offs = (ushort)heap.Position;
var str = heap.ReadString(Resource.GameEncoding);
List <ushort> stringsOffset = new List <ushort>();
if (str.Length > 0 || heap.Position < stringOffset)
{
stringsOffset.Add(offs);
Strings.Add(str);
}
}while (heap.Position < stringOffset);
}
}
}
private void ReadScriptSCI1_1()
{
// https://github.com/scummvm/scummvm/blob/master/engines/sci/engine/script.cpp#L390
// https://github.com/icefallgames/SCICompanion/blob/master/SCICompanionLib/Src/Compile/CompiledScript.cpp#L226
var heapRes = Package.GetResource(ResType.Heap, Resource.Number);
using var stream = new MemoryStream(_sourceData.Length);
stream.Write(_sourceData, 0, _sourceData.Length);
stream.Seek(0, SeekOrigin.Begin);
var endOfStringOffset = stream.ReadUShortBE();
var heapPoints = ReadOffsets(stream, endOfStringOffset);
stream.Seek(4, SeekOrigin.Current);
var exportsCount = stream.ReadUShortBE();
ExportsOffsets = new ushort[exportsCount];
ExportsOffsetsIsHeap = new bool[exportsCount];
for (int i = 0; i < exportsCount; i++)
{
var isHeapPointer = heapPoints.Contains((ushort)stream.Position);
var exportOffset = stream.ReadUShortBE();
ExportsOffsets[i] = exportOffset;
if (isHeapPointer)
{
ExportsOffsetsIsHeap[i] = true;
}
}
var heapData = heapRes.GetContent();
using var heap = new MemoryStream(heapData);
var stringOffset = heap.ReadUShortBE();
StringOffsets = ReadOffsets(heap, stringOffset);
var localsCount = heap.ReadUShortBE();
for (int i = 0; i < localsCount; i++)
{
bool isObjectOrString = StringOffsets.Contains((ushort)heap.Position);
ushort w = heap.ReadUShortBE();
localVars.Add(new LocalVar {
Value = w, IsObjectOrString = isObjectOrString
});
}
while (true)
{
var offset = (ushort)heap.Position;
var magic = heap.ReadUShortBE();
if (magic == 0)
{
break;
}
if (magic != 0x1234)
{
throw new Exception("Wrong script format");
}
var obj = new Object1_1(this, heapData, offset);
obj.Read(stream, heap);
Objects.Add(obj);
for (int i = 0; i < exportsCount; i++)
{
if (ExportsOffsetsIsHeap[i] && ExportsOffsets[i] == obj.Offset)
{
obj.ExportInd = i;
}
}
}
do
{
var offs = (ushort)heap.Position;
var str = heap.ReadString(Resource.GameEncoding);
//List<ushort> stringsOffset = new List<ushort>();
if (str.Length > 0 || heap.Position < stringOffset)
{
//stringsOffset.Add(offs);
Strings.Add(str);
}
}while (heap.Position < stringOffset);
}