public For(int start, int end, Func<int, Instruction> getBody)
{
this.start = start; //0
this.end = end; //10
this.getBody = getBody;
//a delegate instance points towards a method
this.i = start; //0
this.body = getBody(i); //getBody(0);
}
public override InstructionResult Execute(float deltaTime)
{
switch (body.Execute(deltaTime))
{
case InstructionResult.Done:
body = body.Reset();
return InstructionResult.Running;
case InstructionResult.DoneAndCreateEnemyObject:
body = body.Reset();
return InstructionResult.RunningAndCreateEnemyObject;
case InstructionResult.Running:
return InstructionResult.Running;
case InstructionResult.RunningAndCreateEnemyObject:
return InstructionResult.RunningAndCreateEnemyObject;
}
return InstructionResult.Running;
}
public override InstructionResult Execute(float deltaTime)
{
if (i >= end)
{
return InstructionResult.Done;
}
else
{
switch (body.Execute(deltaTime))
{
//0
case InstructionResult.Done:
i++;
body = getBody(i);
//returning back for the switch case
return InstructionResult.Running;
//1
case InstructionResult.DoneAndCreateEnemyObject:
i++;
body = getBody(i);
//returning back for the switch case
return InstructionResult.RunningAndCreateEnemyObject;
case InstructionResult.Running:
//returning back for the switch case
return InstructionResult.Running;
case InstructionResult.RunningAndCreateEnemyObject:
//returning back for the switch case
return InstructionResult.RunningAndCreateEnemyObject;
}
return InstructionResult.Done;
}
}
public Semicolon(Instruction A, Instruction B)
{
this.A = A;
this.B = B;
}
public Repeat(Instruction body)
{
this.body = body;
}
