////////////////////////////////////////////////////////////////////////////////
//
//  Siege Onager - Initiates Load Sequence
//  os_arm_ona
//  by Don Anderson
//  dandersonru@msn.com
//
////////////////////////////////////////////////////////////////////////////////

#include "os_inc"

void main()
{
  object oOnager = OBJECT_SELF;

  int nSelfFaction = GetLocalInt(oOnager,"FACTION");
  int nLoaded = GetLocalInt(oOnager,"LOADED");
  location lLoc = GetLocation(oOnager);

  //Find closest related Switch
  object oSwitch = GetNearestObjectByTag("SiegeSwitch",oOnager,1);
  float fSDist = GetDistanceToObject(oSwitch);
  if(fSDist > SIEGE_SWITCH) return;

  int nFaction;
  object oTarget;
  object oAcquire;
  string sTarget;

  //Check for Active Fire Mode
  int nFMode = GetLocalInt(oSwitch,"FIREMODE");
  if(nFMode < 1)
  {
    AssignCommand(oOnager,SpeakString("Onager standing down!"));
    SetLocalInt(oOnager,"LOADED",0);
    SetLocalInt(oOnager,"ACQUIRED",0);
    return;
  }

  //Find a Valid Supply Barrel
  object oBOil = GetNearestObjectByTag("OilGrenades",oOnager,1);
  object oBCaltrops = GetNearestObjectByTag("CaltropsGrenades",oOnager,1);
  if((oBOil != OBJECT_INVALID || oBCaltrops != OBJECT_INVALID) && nLoaded == 0)
  {
    float fDist = SIEGE_SUPPLY * 2.0;
    float fODist = SIEGE_SUPPLY * 2.0;
    float fCDist = SIEGE_SUPPLY * 2.0;

    object oCBarrel;

    //Which is the Closest Supply Barrel
    if(oBOil != OBJECT_INVALID) fODist = GetDistanceToObject(oBOil);
    if(oBCaltrops != OBJECT_INVALID) fCDist = GetDistanceToObject(oBCaltrops);

    if(fODist < fCDist)
    {
      fDist = fODist;
      oCBarrel = oBOil;
    }
    if(fCDist <= fODist)
    {
      fDist = fCDist;
      oCBarrel = oBCaltrops;
    }

    if(fDist <= SIEGE_SUPPLY)
    {
      //Check for Available Ammunition
      int nAmmo = GetLocalInt(oCBarrel,"AMMOQTY");
      int nType = GetLocalInt(oCBarrel,"AMMOTYPE");
      if(nAmmo > 0)
      {
        nAmmo--;
        SetLocalInt(oCBarrel,"AMMOQTY",nAmmo);
        SetLocalInt(oOnager,"AMMOTYPE",nType);
        SetLocalInt(oOnager,"LOADED",1);
        SetLocalInt(oOnager,"ACQUIRED",0);
      }
      else
      {
        //Destroy Existing and Find Another
        DestroyObject(oCBarrel,0.1);
        DelayCommand(1.0,ExecuteScript("os_arm_ona",oOnager));
      }
    }
  }
  else
  {
    DelayCommand(1.0,SpeakString("Onager standing down....no Grenades available!"));
    SetLocalInt(oOnager,"LOADED",0);
    SetLocalInt(oOnager,"ACQUIRED",0);
    return;
  }

  //Now the ammunition is properly loaded and the firing sequence takes place
  if(GetLocalInt(oOnager,"LOADED") == 1)
  {
    //Now we look for creatures
    if(GetLocalInt(oOnager,"ACQUIRED") == 0)
    {
      object oTarget = GetFirstObjectInShape(SHAPE_SPHERE, MAXRANGE_SIEGEONAGER, lLoc, TRUE, OBJECT_TYPE_CREATURE);
      while (GetIsObjectValid(oTarget))
      {
        location lType = GetLocation(oTarget);
        string sType = GetTag(oTarget);

        fSDist = GetDistanceToObject(oTarget);
        if(fSDist >= MINRANGE_SIEGEONAGER)
        {
          //OK to Fire On?
          if(GetPlotFlag(oTarget) == FALSE)
          {
            nFaction = GetLocalInt(oTarget,"FACTION");
            int nNPCHP = GetCurrentHitPoints(oTarget);
            if(nNPCHP >= 1 && (nFaction != nSelfFaction))
            {
              SetLocalInt(oOnager,"ACQUIRED",1);
              oAcquire = oTarget;
              break;//Acquired Target
            }
          }
        }
        oTarget = GetNextObjectInShape(SHAPE_SPHERE, MAXRANGE_SIEGEONAGER, lLoc, TRUE, OBJECT_TYPE_CREATURE);
      }
    }

    //Now we either stand down or range and face the target
    if(GetLocalInt(oOnager,"ACQUIRED") == 0)
    {
      DelayCommand(1.0,SpeakString("Onager standing down....no valid targets!"));
      SetLocalInt(oOnager,"LOADED",0);
      return;
    }
    else
    {
      sTarget = GetName(oAcquire);
      float fDTarget = GetDistanceToObject(oAcquire);
      SetLocalFloat(oOnager,"RANGE",fDTarget);
      SetFacingObject(oAcquire);
    }

    //Get Range in Integer Format
    int nDTarget = FloatToInt(GetLocalFloat(oOnager,"RANGE"));

    //Now we start the Firing Process
    if(GetLocalInt(oOnager,"LOADED") == 1 && GetLocalInt(oOnager,"AMMOTYPE") == CALTROPS)
    {
      AssignCommand(oOnager,DelayCommand(1.0,SpeakString("Onager has acquired "+ sTarget +" as a Target!")));
      AssignCommand(oOnager,DelayCommand(3.0,SpeakString("Range: "+ IntToString(nDTarget) +" Meters")));
      AssignCommand(oOnager,DelayCommand(5.0,SpeakString("Onager Caltrops Ammunition Received!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 10.0,PlaySound("as_cv_ropepully1")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 8.0,PlaySound("as_cv_ropecreak2")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 6.0,SpeakString("Loaded!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 3.0,SpeakString("Ready!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 0.5,SpeakString("FIRE!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER,ExecuteScript("os_fire_ona",oOnager)));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER + 10.0,ExecuteScript("os_arm_ona",oOnager)));
      return;
    }

    //Now we start the Firing Process
    if(GetLocalInt(oOnager,"LOADED") == 1 && GetLocalInt(oOnager,"AMMOTYPE") == OIL)
    {
      AssignCommand(oOnager,DelayCommand(1.0,SpeakString("Onager has acquired "+ sTarget +" as a Target!")));
      AssignCommand(oOnager,DelayCommand(3.0,SpeakString("Range: "+ IntToString(nDTarget) +" Meters")));
      AssignCommand(oOnager,DelayCommand(5.0,SpeakString("Onager Oil Ammunition Received!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 10.0,PlaySound("as_cv_ropepully1")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 8.0,PlaySound("as_cv_ropecreak2")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 6.0,SpeakString("Loaded!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 3.0,SpeakString("Ready!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER - 0.5,SpeakString("FIRE!")));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER,ExecuteScript("os_fire_ona",oOnager)));
      AssignCommand(oOnager,DelayCommand(TIME_SIEGEONAGER + 10.0,ExecuteScript("os_arm_ona",oOnager)));
      return;
    }
  }
}