///////////////////////////////////////////////////////////////////////////
// Real Time Strategy - NWN - Unit Creation Tool
//========================================================================
// By Deva Bryson Winblood. 02/23/2003
///////////////////////////////////////////////////////////////////////////
#include "rtsh_multiplay"

int fnCountUnits(string sID)
{ // return how many units this team currently has
  int nRet=0;
  object oMod=GetModule();
  object oNPC;
  int nC=0;
  int nUnitTypes=GetLocalInt(oMod,sID+"_UNITS");
  int nNum=0;
  string sTag;
  while(nC<nUnitTypes)
  { // count units
    sTag=GetLocalString(oMod,sID+IntToString(nC)+"_tag");
    nNum=0;
    oNPC=GetObjectByTag(sTag,nNum);
    while(oNPC!=OBJECT_INVALID)
    { // count units
      nNum++;
      nRet++;
      oNPC=GetObjectByTag(sTag,nNum);
    } // count units
    nC++;
  } // count units
  return nRet;
} // fnCountUnits()

int fnNearControlPoint(object oPC)
{ // near control point
  int nRet=FALSE;
  object oNear;
  object oCP;
  int nC=1;
  float fDist;
  while(nC<5)
  { // see if near
    oCP=GetNearestObjectByTag("CONTROL_POINT"+IntToString(nC),oPC,1);
    if (oCP!=OBJECT_INVALID)
    { // in same area
      fDist=GetDistanceBetween(oPC,oCP);
      if (fDist<=10.0)
      { // within distance
        if (GetLocalString(oPC,"sTeamID")==GetLocalString(oCP,"sTeamID")) return TRUE;
      } // within distance
    } // in same area
    nC++;
  } // see if near
  return nRet;
} // fnNearControlPoint()

void main()
{
   object oPC=GetItemActivator();
   object oMod=GetModule();
   string sID=GetLocalString(oPC,"sTeamID");
   object oDest=GetObjectByTag(sID+"_START");
   string sDummy=IntToString(fnGetTeamMana(oPC));
   object oLead=GetLocalObject(oMod,"oTeamLead"+sID);
   int nCount;
   if (oLead==oPC||GetLocalInt(oPC,"nBuilder")==TRUE)
   { // builder
   SetLocalInt(oMod,"bHasUsedCreationTool"+sID,TRUE);
   nCount=fnCountUnits(sID);
   SetLocalInt(oMod,sID+"_UnitCount",nCount);
   if (GetLocalInt(oMod,"nMaxUnits")>nCount)
   { // not at max units
   if (oDest!=OBJECT_INVALID&&(GetArea(oDest)==GetArea(oPC)||fnNearControlPoint(oPC)==TRUE))
   { // in base
    location lLoc=GetItemActivatedTargetLocation();
    oDest=CreateObject(OBJECT_TYPE_PLACEABLE,"creature_create",lLoc,FALSE);
    int nTeamNum=GetLocalInt(oPC,"nTeamNum");
    int nUnitC=GetLocalInt(oMod,"nTeamU"+IntToString(nTeamNum));
    string sTeamN=GetLocalString(oMod,"sTeamN"+IntToString(nTeamNum));
    int nL=0;
    string sName;
    if (oDest==OBJECT_INVALID)
     SendMessageToPC(oPC,"ERROR RTS: Waypoint to create creature not created!!");
    SetLocalObject(oPC,"oCreateUnit",oDest);
    SetLocalInt(oPC,"nTeamU",nUnitC);
    DeleteLocalInt(oPC,"nUCBase");
    AssignCommand(oPC,ActionStartConversation(oPC,"rts_unit_create3",TRUE,FALSE));
   } // in base
   else
     SendMessageToPC(oPC,"You can only create units within your own base or within 10 meters of a control point you control!");
  } // not at max units
  else
     SendMessageToPC(oPC,"You have the maximum number of units allowed! You have "+IntToString(GetLocalInt(oMod,sID+"_UnitCount"))+" units.");
  } // builder
  else
  { // not allowed to use this item
    SendMessageToPC(oPC,"You are NOT allowed to use this item!");
    DestroyObject(GetItemActivated());
  } // not allowed to use this item
}