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helper classes for managing times w/o an event scheduler
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| public class Timer { | |
| public float StartTime; | |
| public float Duration; | |
| bool Idle; | |
| public Timer(float d) | |
| { | |
| Idle = false; | |
| Duration = d; | |
| StartTime = Time.time; | |
| } | |
| public bool isReady() | |
| { | |
| return Time.time > StartTime + Duration; | |
| } | |
| //Start timer or reset Start Time | |
| public void Reset() | |
| { | |
| StartTime = Time.time; | |
| Idle = false; | |
| } | |
| public bool ResetIfReady() | |
| { | |
| if (Idle || isReady()) | |
| { | |
| Reset(); | |
| return true; | |
| } else | |
| return false; | |
| } | |
| public void ResetIfIdle() | |
| { | |
| if (Idle) Reset(); | |
| } | |
| public void SetIdle() | |
| { | |
| Idle = true; | |
| } | |
| } |
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| // FSM supports basic timers | |
| // a volley timer | |
| // a finer unit timer that runs per volley | |
| // a reload timer | |
| public class WeaponFiringFSM { | |
| public float ReloadRate = 2; | |
| public float ReloadAmount = 1; | |
| Timer ReloadTimer; | |
| Timer VolleyTimer; | |
| Timer UnitTimer; | |
| public float VolleyInterval = 5; | |
| public float MissileInterval = .2f; | |
| int NumFired = 0; | |
| public int NumPerVolley = 4; | |
| public int ammo, startingAmmo = 5; | |
| delegate void ActionDelegate(); | |
| ActionDelegate action; | |
| public WeaponFiringFSM(Delegate a) { | |
| Initialize(); | |
| action = a; | |
| } | |
| public void Initialize() | |
| { | |
| ammo = startingAmmo; | |
| NumFired = 0; | |
| ReloadTimer = new Timer(ReloadRate); | |
| VolleyTimer = new Timer(VolleyInterval); | |
| UnitTimer = new Timer(MissileInterval); | |
| } | |
| public Tick() | |
| { | |
| //check if ready to fire volley | |
| if (VolleyTimer.isReady()) | |
| { | |
| if (ammo > 0 && UnitTimer.ResetIfReady()) | |
| { | |
| action(); | |
| NumFired++; | |
| ReloadTimer.ResetIfIdle(); | |
| if (NumFired >= NumPerVolley) | |
| { | |
| VolleyTimer.Reset(); | |
| NumFired = 0; | |
| } | |
| } | |
| } | |
| //check if need to reload | |
| //need to reset reload timer only either when time runs out or missile fired | |
| //reloadTimer needs an idle state: isReady but | |
| if (ammo < startingAmmo) | |
| { | |
| if (ReloadTimer.ResetIfReady()) | |
| { | |
| ammo += ReloadAmount; | |
| if (ammo >= startingAmmo) | |
| { | |
| ammo = startingAmmo; | |
| ReloadTimer.SetIdle(); | |
| } | |
| } | |
| } | |
| } | |
| } |
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