static private void CheckBTBFileType(BTBReader reader)
{
try
{ reader.ReadObjectHeader(0xbeafeed0); }
catch (UnexpectedObjectFound)
{ throw new NotABTBFileException(); }
}
static private void ReadObjectivesObject(BTBReader reader, Battle battle)
{
uint length = reader.ReadObjectHeader(0x2);
for (int i = 0; i < length; i += 20)
{
int[] tuple = reader.ReadIntTupleProperty(3, 3);
Objective newObjective = new Objective(tuple[0], tuple[1], tuple[2]);
battle.Objectives.Add(newObjective);
}
}
static private void ReadMapHeaderObject(BTBReader reader, out Battle battle)
{
reader.ReadObjectHeader(0x1);
int width = reader.ReadIntTupleProperty(1, 1)[0];
int height = reader.ReadIntTupleProperty(2, 1)[0];
string player = reader.ReadStringProperty(1001);
string enemy = reader.ReadStringProperty(1002);
string ctl = reader.ReadStringProperty(1003);
reader.ReadStringProperty(1004);
reader.ReadStringProperty(1005);
reader.ReadIntTupleProperty(9, 2);
battle = new Battle(width, height, player, enemy, ctl);
}
static public Battle Load(string path)
{
Battle newBattle;
using (FileStream file = File.OpenRead(path))
{
BTBReader reader = new BTBReader(file);
CheckBTBFileType(reader);
ReadMapHeaderObject(reader, out newBattle);
ReadObjectivesObject(reader, newBattle);
ReadObstaclesObject(reader, newBattle);
ReadRegions(reader, newBattle);
ReadNodes(reader, newBattle);
CheckBTBFileType(reader);
}
return(newBattle);
}
static private void ReadRegions(BTBReader reader, Battle battle)
{
while (reader.PeekNextTypecode() == 0x4)
{
reader.ReadObjectHeader(0x4);
string regionName = reader.ReadStringProperty(1006);
uint flags = (uint)reader.ReadIntTupleProperty(5, 1)[0];
Region newRegion = new Region(regionName, flags);
int[] pos = reader.ReadIntTupleProperty(10, 2);
while (reader.PeekNextTypecode() == 502)
{
int[] line = reader.ReadIntTupleProperty(502, 4);
newRegion.Lines.Add(
new Region.LineSegment(line[0], line[1], line[2], line[3])
);
}
battle.Regions.Add(newRegion);
}
}
static private void ReadObstaclesObject(BTBReader reader, Battle battle)
{
uint length = reader.ReadObjectHeader(0x3);
int unknownCount = reader.ReadIntTupleProperty(8, 1)[0];
uint obstacleCount = (length - 12u) / 80u;
for (int obstacleNum = 0; obstacleNum < obstacleCount; obstacleNum++)
{
reader.ReadPropertyHeader(501, 72);
int flags = reader.ReadIntTupleProperty(5, 1)[0];
int x = reader.ReadIntTupleProperty(1, 1)[0];
int y = reader.ReadIntTupleProperty(2, 1)[0];
int z = reader.ReadIntTupleProperty(4, 1)[0];
int rad = reader.ReadIntTupleProperty(6, 1)[0];
int dir = reader.ReadIntTupleProperty(7, 1)[0];
Obstacle.PROP P = (Obstacle.PROP)flags;
battle.Obstacles.Add(new Obstacle(P, x, y, z, (uint)rad, dir));
}
}
static private void ReadNodes(BTBReader reader, Battle battle)
{
reader.ReadObjectHeader(0x5);
uint nodeCount = (uint)reader.ReadIntTupleProperty(8, 1)[0];
for (int nodeNum = 0; nodeNum < nodeCount; nodeNum++)
{
reader.ReadPropertyHeader(503, 96);
int flags = reader.ReadIntTupleProperty(5, 1)[0];
int x = reader.ReadIntTupleProperty(1, 1)[0];
int y = reader.ReadIntTupleProperty(2, 1)[0];
uint rad = (uint)reader.ReadIntTupleProperty(6, 1)[0];
int dir = reader.ReadIntTupleProperty(7, 1)[0];
uint nodeid = (uint)reader.ReadIntTupleProperty(11, 1)[0];
uint uuid = (uint)reader.ReadIntTupleProperty(12, 1)[0];
uint scriptid = (uint)reader.ReadIntTupleProperty(13, 1)[0];
Node N = new Node(x, y, rad, dir, nodeid, uuid, scriptid, (Node.USAGE)flags);
battle.Nodes.Add(N);
}
}