/// <summary>
/// Reads a new simulation-state out of stream.
/// </summary>
/// <returns>New simulation-state or null, if stream is over</returns>
public SimulationState Read()
{
// if stream is at his end, return null
if (complete)
{
return(null);
}
// first block have to be a frame-start
ISerializable block;
BlockType blockType = serializer.Read(out block);
// detect stream-end
if (blockType == BlockType.StreamEnd)
{
complete = true;
return(null);
}
// unexpected block-type
if (blockType != BlockType.FrameStart)
{
throw new InvalidOperationException(
string.Format(
CultureInfo.CurrentCulture,
Resource.AntvideoReaderInvalidBlockType, blockType));
}
// block-loop
while (blockType != BlockType.FrameEnd)
{
blockType = serializer.Read(out block);
switch (blockType)
{
case BlockType.Ant:
Ant ant = (Ant)block;
antList.Add(ant.Id, ant);
break;
case BlockType.Anthill:
Anthill anthill = (Anthill)block;
anthillList.Add(anthill.Id, anthill);
break;
case BlockType.AntLost:
Lost antLost = (Lost)block;
antList.Remove(antLost.Id);
break;
case BlockType.AntUpdate:
AntUpdate antUpdate = (AntUpdate)block;
antList[antUpdate.Id].Update(antUpdate);
break;
case BlockType.Bug:
Bug bug = (Bug)block;
bugList.Add(bug.Id, bug);
break;
case BlockType.BugLost:
Lost bugLost = (Lost)block;
bugList.Remove(bugLost.Id);
break;
case BlockType.BugUpdate:
BugUpdate bugUpdate = (BugUpdate)block;
bugList[bugUpdate.Id].Update(bugUpdate);
break;
case BlockType.Caste:
Caste caste = (Caste)block;
casteList[caste.ColonyId].Add(caste.Id, caste);
break;
case BlockType.Team:
Team team = (Team)block;
teamList.Add(team.Id, team);
colonyList.Add(team.Id, new Dictionary <int, Colony>());
break;
case BlockType.Colony:
Colony colony = (Colony)block;
colonyList[colony.TeamId].Add(colony.Id, colony);
casteList.Add(colony.Id, new Dictionary <int, Caste>());
break;
case BlockType.ColonyUpdate:
ColonyUpdate colonyUpdate = (ColonyUpdate)block;
colonyList[colonyUpdate.TeamId][colonyUpdate.Id].Update(colonyUpdate);
break;
case BlockType.Frame:
frame = (Frame)block;
break;
case BlockType.FrameUpdate:
FrameUpdate frameUpdate = (FrameUpdate)block;
frame.Update(frameUpdate);
break;
case BlockType.Fruit:
Fruit fruit = (Fruit)block;
fruitList.Add(fruit.Id, fruit);
break;
case BlockType.FruitLost:
Lost fruitLost = (Lost)block;
fruitList.Remove(fruitLost.Id);
break;
case BlockType.FruitUpdate:
FruitUpdate fruitUpdate = (FruitUpdate)block;
fruitList[fruitUpdate.Id].Update(fruitUpdate);
break;
case BlockType.Marker:
Marker marker = (Marker)block;
markerList.Add(marker.Id, marker);
break;
case BlockType.MarkerLost:
Lost markerLost = (Lost)block;
markerList.Remove(markerLost.Id);
break;
case BlockType.MarkerUpdate:
MarkerUpdate markerUpdate = (MarkerUpdate)block;
markerList[markerUpdate.Id].Update(markerUpdate);
break;
case BlockType.Sugar:
Sugar sugar = (Sugar)block;
sugarList.Add(sugar.Id, sugar);
break;
case BlockType.SugarLost:
Lost sugarLost = (Lost)block;
sugarList.Remove(sugarLost.Id);
break;
case BlockType.SugarUpdate:
SugarUpdate sugarUpdate = (SugarUpdate)block;
sugarList[sugarUpdate.Id].Update(sugarUpdate);
break;
}
}
// Detect streamend
if ((BlockType)serializer.Peek() == BlockType.StreamEnd)
{
complete = true;
}
// Interpolate all elements and buildup state
frame.Interpolate();
SimulationState state = frame.GenerateState();
foreach (Bug bug in bugList.Values)
{
bug.Interpolate();
state.BugStates.Add(bug.GenerateState());
}
foreach (Fruit fruit in fruitList.Values)
{
fruit.Interpolate();
state.FruitStates.Add(fruit.GenerateState());
}
foreach (Sugar sugar in sugarList.Values)
{
sugar.Interpolate();
state.SugarStates.Add(sugar.GenerateState());
}
foreach (Team team in teamList.Values)
{
TeamState teamState = team.GenerateState();
state.TeamStates.Add(teamState);
foreach (Colony colony in colonyList[team.Id].Values)
{
colony.Interpolate();
ColonyState colonyState = colony.GenerateState();
teamState.ColonyStates.Add(colonyState);
foreach (Caste caste in casteList[colony.Id].Values)
{
colonyState.CasteStates.Add(caste.GenerateState());
}
foreach (Anthill anthill in anthillList.Values)
{
if (anthill.ColonyId == colony.Id)
{
colonyState.AnthillStates.Add(anthill.GenerateState());
}
}
foreach (Ant ant in antList.Values)
{
if (ant.ColonyId == colony.Id)
{
ant.Interpolate();
colonyState.AntStates.Add(ant.GenerateState());
}
}
foreach (Marker marker in markerList.Values)
{
if (marker.ColonyId == colony.Id)
{
marker.Interpolate();
colonyState.MarkerStates.Add(marker.GenerateState());
}
}
}
}
// deliver
return(state);
}
