public static MapEventZone LoadGlobalZone(BinaryReader br)
{
var zone = new MapEventZone();
zone.Global = true;
zone.X = br.ReadUInt16(); // +0
Debug.Assert(zone.X == 0);
zone.Trigger = (TriggerType)br.ReadUInt16(); // +2
zone.EventNumber = br.ReadUInt16(); // +4
return(zone);
}
public static MapEventZone LoadZone(BinaryReader br, ushort y)
{
var zone = new MapEventZone();
zone.X = (ushort)(br.ReadByte() - 1); // +0
Debug.Assert(zone.X != 0xffff);
zone.Unk1 = br.ReadByte(); // +1
zone.Y = y;
zone.Trigger = (TriggerType)br.ReadUInt16(); // +2
zone.EventNumber = br.ReadUInt16(); // +4
return(zone);
}
public static MapData2D Load(BinaryReader br, long streamLength, string name)
{
var startPosition = br.BaseStream.Position;
var map = new MapData2D();
map.Unk0 = br.ReadByte(); // 0
int npcCount = br.ReadByte(); // 1
if (npcCount == 0)
{
npcCount = 0x20;
}
else if (npcCount == 0x40)
{
npcCount = 0x60;
}
var mapType = br.ReadByte(); // 2
Debug.Assert(2 == mapType); // 1 = 3D, 2 = 2D
map.Sound = br.ReadByte(); //3
map.Width = br.ReadByte(); //4
map.Height = br.ReadByte(); //5
map.TilesetId = FormatUtil.Tweak(br.ReadByte()) ?? throw new FormatException("Invalid tile-set id encountered"); //6
map.CombatBackgroundId = br.ReadByte(); //7
map.PaletteId = FormatUtil.Tweak(br.ReadByte()) ?? throw new FormatException("Invalid palette id encountered"); //8
map.FrameRate = br.ReadByte(); //9
for (int i = 0; i < npcCount; i++)
{
var npc = MapNpc.Load(br);
if (npc.Id == 0)
{
continue;
}
map.Npcs.Add(npc);
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
map.Underlay = new int[map.Width * map.Height];
map.Overlay = new int[map.Width * map.Height];
for (int i = 0; i < map.Width * map.Height; i++)
{
byte b1 = br.ReadByte();
byte b2 = br.ReadByte();
byte b3 = br.ReadByte();
int overlay = (b1 << 4) + (b2 >> 4) - 2;
int underlay = ((b2 & 0x0F) << 8) + b3 - 2;
map.Overlay[i] = overlay;
map.Underlay[i] = underlay;
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
int zoneCount = br.ReadUInt16();
for (int i = 0; i < zoneCount; i++)
{
map.Zones.Add(MapEventZone.LoadGlobalZone(br));
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
for (int j = 0; j < map.Height; j++)
{
zoneCount = br.ReadUInt16();
for (int i = 0; i < zoneCount; i++)
{
map.Zones.Add(MapEventZone.LoadZone(br, (ushort)j));
}
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
int eventCount = br.ReadUInt16();
for (int i = 0; i < eventCount; i++)
{
map.Events.Add(EventNode.Load(br, i));
}
foreach (var mapEvent in map.Events.OfType <EventNode>())
{
if (mapEvent.NextEventId.HasValue)
{
mapEvent.NextEvent = map.Events[mapEvent.NextEventId.Value];
}
if (mapEvent is BranchNode q && q.NextEventWhenFalseId.HasValue)
{
q.NextEventWhenFalse = map.Events[q.NextEventWhenFalseId.Value];
}
}
foreach (var zone in map.Zones)
{
if (zone.EventNumber != 65535)
{
zone.Event = map.Events[zone.EventNumber];
}
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
foreach (var npc in map.Npcs)
{
npc.LoadWaypoints(br);
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
map.ZoneLookup = Enumerable.Repeat(-1, map.Width * map.Height).ToArray();
for (int i = 0; i < map.Zones.Count; i++)
{
var z = map.Zones[i];
map.ZoneLookup[z.Y * map.Width + z.X] = i;
}
return(map);
}
public static MapData3D Load(BinaryReader br, long streamLength, string name)
{
var startPosition = br.BaseStream.Position;
var map = new MapData3D();
map.CeilingFlags = br.ReadByte(); // 0
int npcCount = br.ReadByte(); // 1
if (npcCount == 0)
{
npcCount = 0x20;
}
else if (npcCount == 0x40)
{
npcCount = 0x60;
}
var mapType = br.ReadByte(); // 2
Debug.Assert(1 == mapType); // 1 = 3D, 2 = 2D
map.SongId = (SongId)br.ReadByte() - 1; // 3
map.Width = br.ReadByte(); // 4
map.Height = br.ReadByte(); // 5
byte labData = br.ReadByte(); // 6
map.LabDataId = (LabyrinthDataId)labData;
map.Unk7 = br.ReadByte(); // 7 Possibly combat background??
map.PaletteId = (PaletteId)br.ReadByte() - 1; // 8
map.Sound = br.ReadByte() - 1; // 9
for (int i = 0; i < npcCount; i++)
{
var npc = MapNpc.Load(br);
if (npc.Id == 0)
{
continue;
}
map.Npcs.Add(npc);
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
map.Contents = new int[map.Width * map.Height];
map.Floors = new int[map.Width * map.Height];
map.Ceilings = new int[map.Width * map.Height];
for (int i = 0; i < map.Width * map.Height; i++)
{
map.Contents[i] = br.ReadByte();
map.Floors[i] = br.ReadByte();
map.Ceilings[i] = br.ReadByte();
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
int zoneCount = br.ReadUInt16();
for (int i = 0; i < zoneCount; i++)
{
map.Zones.Add(MapEventZone.LoadGlobalZone(br));
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
for (int j = 0; j < map.Height; j++)
{
zoneCount = br.ReadUInt16();
for (int i = 0; i < zoneCount; i++)
{
map.Zones.Add(MapEventZone.LoadZone(br, (ushort)j));
}
}
if (br.BaseStream.Position == startPosition + streamLength)
{
Debug.Assert(map.Zones.Count == 0);
return(map);
}
int eventCount = br.ReadUInt16();
for (int i = 0; i < eventCount; i++)
{
map.Events.Add(EventNode.Load(br, i));
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
foreach (var npc in map.Npcs)
{
npc.LoadWaypoints(br);
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
int automapInfoCount = br.ReadUInt16();
if (automapInfoCount != 0xffff)
{
for (int i = 0; i < automapInfoCount; i++)
{
map.Automap.Add(AutomapInfo.Load(br));
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
}
map.AutomapGraphics = br.ReadBytes(0x40);
for (int i = 0; i < 64; i++)
{
var eventId = br.ReadUInt16();
if (eventId == 0xffff)
{
continue;
}
map.ActiveMapEvents.Add(eventId);
}
Debug.Assert(br.BaseStream.Position <= startPosition + streamLength);
return(map);
}
