private static IEnumerable <Segment> GetSegments_(
IShardedMemory romMemory,
uint segmentOffset,
int nameOffset)
{
var segments = new List <Segment>();
bool bothZero;
do
{
var startAddress = (int)IoUtil.ReadUInt32(romMemory, segmentOffset);
var endAddress = (int)IoUtil.ReadUInt32(romMemory, segmentOffset + 4);
bothZero = startAddress == 0 && endAddress == 0;
if (!bothZero)
{
var fileNameBytes = new List <byte>();
while (romMemory[nameOffset] == 0)
{
nameOffset++;
}
while (romMemory[nameOffset] != 0)
{
fileNameBytes.Add(romMemory[nameOffset++]);
}
var fileName =
System.Text.Encoding.UTF8.GetString(
fileNameBytes.ToArray(),
0,
fileNameBytes.Count);
segments.Add(new Segment(fileName,
romMemory.Shard(
startAddress,
endAddress - startAddress)));
segmentOffset += 16;
}
} while (!bothZero);
return(segments);
}
public ZMap(IShardedMemory region) : base(region)
{
}
public ZSc(IShardedMemory region) : base(region)
{
}
public ZCodeFiles(IShardedMemory region) : base(region)
{
}
public ZObj(IShardedMemory region) : base(region)
{
}
protected BZFile(IShardedMemory region)
{
this.Region = region;
}
public ZOtherData(IShardedMemory region) : base(region)
{
}
public ZObjectSet(IShardedMemory region) : base(region)
{
}
public Segment(string filename, IShardedMemory region)
{
this.FileName = filename;
this.Region = region;
}
public static ZFiles GetFiles(
IShardedMemory romMemory,
uint segmentOffset,
int nameOffset)
{
var segments = ZFiles.GetSegments_(romMemory, segmentOffset, nameOffset);
var objects = new List <ZObj>();
var actorCode = new List <ZCodeFiles>();
var scenes = new LinkedList <ZSc>();
var others = new List <ZOtherData>();
foreach (var segment in segments)
{
var fileName = segment.FileName;
var betterFileName = BetterFileNames.Get(fileName);
var region = segment.Region;
IZFile file;
if (fileName.StartsWith("object_"))
{
region.ShardType = ShardedMemoryType.OBJECT;
var obj = new ZObj(region);
file = obj;
objects.Add(obj);
}
else if (fileName.StartsWith("ovl_"))
{
region.ShardType = ShardedMemoryType.CODE;
var ovl = new ZCodeFiles(region);
file = ovl;
actorCode.Add(ovl);
}
else if (fileName.EndsWith("_scene"))
{
region.ShardType = ShardedMemoryType.SCENE;
var scene = new ZSc(region);
file = scene;
scenes.AddLast(scene);
}
else if (fileName.Contains("_room"))
{
var scene = scenes.Last.Value;
region.ShardType = ShardedMemoryType.MAP;
var map = new ZMap(region)
{
Scene = scene
};
file = map;
var mapCount = scene.Maps?.Length ?? 0;
Array.Resize(ref scene.Maps, mapCount + 1);
scene.Maps[mapCount] = map;
}
else
{
region.ShardType = ShardedMemoryType.OTHER_DATA;
var other = new ZOtherData(region);
file = other;
others.Add(other);
}
file.FileName = fileName;
file.BetterFileName = betterFileName;
}
return(new ZFiles(objects, actorCode, scenes.ToArray(), others));
}
