/*
 * Control VTOL attacks
 *
 */


/* ********************	*/
/* Declared Variables 	*/
/* ********************	*/

private		int		count, group, temp;
private		BASEOBJ		viewerObj, targetObj, targetObj2;
private		DROID		droid;
private		int			clusterID;

//VTOL Pads
public		STRUCTURESTAT	pad;
public		int			padX[8], padY[8], numPads, padPlayer;
public		STRUCTUREID	HQbuilding;
public		BOOL		dontStopFlag;
private		STRUCTURE	pads[8];

// control whether vtols use rearm pads or appear at the edge of the map
private		bool		noPads;

//VTOL groups and targets
public		int		numGroups;
public		int		VTOLsize[4], groupX[4], groupY[4];
public		TEMPLATE	templates[4];
public		int		targetObjType[4], startTime[4], everyTime[4];
public		int		numPrefStruc, prefStruc[4], numPrefDroid, prefDroid[4];
private		GROUP		VTOLgroup[4];
private		BASEOBJ		attackObj[4];
private		int		attackCluster[4], countTime[4];

// area within which vtols can be killed
public		int			killX1,killY1, killX2,killY2;

// where the vtols return to and vanish
public		int			vanishX,vanishY;

// which player is the human player
public		int			player;

// whether to use the no visibility target system
public		bool		noVisTargetting;

trigger addVTOLTrig(every, 3000);	//every 5 mins to get reinforcements
trigger killVTOLSTrig(every, 43);
//trigger vtolStartTrig(wait, 600);
trigger vtolOffMapStartTrig(every, 23);

trigger nextTargetTrig(every, 80);


// declare events
event targetFound;
event clusterReset;
event nextTarget;
event resetVis;
event nextTargetNoVis;

event start(CALL_GAMEINIT)
{
//add a VTOL rearming pad
	count = 0;
	while (count < numPads)
	{
		pads[count] = addStructure(pad, padPlayer, padX[count], padY[count]);
		count = count + 1;
	}

	// if there are no rearm pads vtols come from the edge of the map
	noPads = (numPads == 0);

	//eventTraceLevel(1);	//dbWin32 stuff

	// set the target system preferences
	resetStructTargets();
	setStructTarIgnore(ST_WALL);		//ignore walls
	count = 0;
	while (count < numPrefStruc)
	{
		setStructTarPref(prefStruc[count]);
		count = count + 1;
	}
	resetDroidTargets();
	setDroidTarIgnore(DT_SUPER_HEAVY);	//ignore transport
	count = 0;
	while (count < numPrefDroid)
	{
		setDroidTarPref(prefDroid[count]);
		count = count + 1;
	}

	setVTOLReturnPos(padPlayer, vanishX,vanishY);
	count = 0;
	while (count < numGroups)
	{
		countTime[count] = startTime[count];
		count = count + 1;
	}

	// turn off the visibility targetting system
	if (noVisTargetting)
	{
		// turn off the normal system
		setEventTrigger(targetFound, inactive);
		setEventTrigger(clusterReset, inactive);
		setEventTrigger(nextTarget, inactive);
		setEventTrigger(resetVis, inactive);

		// turn on the no visibility system
		setEventTrigger(nextTargetNoVis, nextTargetTrig);
	}
}

// do VTOL reinforcements (startTime, everyTime)
event addVTOL(every, 107)	//every 10secs
{
	group = 0;
	while (group < numGroups)
	{
		countTime[group] = countTime[group] - 1;
		if (countTime[group] <= 0)
		{
			countTime[group] = everyTime[group];	//set back to every

			temp = VTOLgroup[group].members;
			if (((not noPads) and (temp < VTOLsize[group])) or // reinforcing a group using rearm pads
				(noPads and (temp == 0) and (attackObj[group] != NULLOBJECT))) // creating a group at the edge of the map
			{
				debugBox(100);
				count = 0;
				temp = VTOLsize[group] - VTOLgroup[group].members;
				while (count < temp)
				{
					droid = addDroid(templates[group], groupX[group], groupY[group], padPlayer);
                    if (droid != NULLOBJECT)
                    {
					    groupAddDroid(VTOLgroup[group], droid);
                    }
					count = count + 1;
				}
				if (attackObj[group] != NULLOBJECT)
				{
					debugBox(101);
					orderGroupObj(VTOLgroup[group], DORDER_ATTACK, attackObj[group]);
				}
			}
		}
		group = group + 1;
	}
/*
	// only reset this event if using pads
	if (not noPads)
	{
		setEventTrigger (addVTOL, addVTOLTrig);
	}
*/
}

event vtolOffMap(CALL_VTOL_OFF_MAP, padPlayer, ref droid)
{
	// vtol has reached the edge of the map - vanish them
	vanishUnit(droid);
}

// set up a target for the vtol groups
event targetFound(CALL_OBJ_SEEN, padPlayer, ref targetObj, ref viewerObj)
{
	if (targetObj != NULLOBJECT )
	{
		group = 0;
		if (targetObj.type == OBJ_DROID)
		{
			if (objToDroid(targetObj).droidType == DROID_TRANSPORTER)
			{
				// skip transporters
				group = numGroups;
			}
		}
		while(group < numGroups)
		{
			//clarify target type here!
			if (targetObj.type == targetObjType[group])
			{
				//store only if new one req'd
				if ((attackObj[group] == NULLOBJECT) and (attackCluster[group] == 0))
				{
					attackCluster[group] = targetObj.clusterID;
					// clusterID can be 0 for droids - especially near start
					// when they havn't moved yet
					if (attackCluster[group] != 0)
					{
						targetObj2 = targetInCluster(targetObj.clusterID, padPlayer);
					}
					else
					{
						targetObj2 = NULLOBJECT;
					}

					// if we've found a target, store it
					if (targetObj2 != NULLOBJECT)
					{
						attackObj[group] = targetObj2;
						attackCluster[group] = targetObj2.clusterID;
						debugBox(0);
						debugBox(attackObj[group].id);
						debugBox(attackObj[group].clusterID);
					}
				}
			}

			group = group + 1;
		}
	}
}


// remove a cluster from the system if there isn't anything in it
event clusterReset(CALL_CLUSTER_EMPTY, ref clusterID)
{
	group = 0;
	while (group < numGroups)
	{
		if (attackCluster[group] == clusterID)
		{
			debugBox(200);
			debugBox(clusterID);
			attackObj[group] = NULLOBJECT;
			attackCluster[group] = 0;
			group = numGroups;
		}
		group = group + 1;
	}
}


/* Newer System! Iterates clusters and keeps 5 targets! */
event nextTarget(every, 80)
{
	group = 0;
	while (group < numGroups)
	{
		// if the current target has died find the next in the cluster
		if ((attackObj[group] == NULLOBJECT) and (attackCluster[group] != 0))
		{
			debugBox(2);
			attackObj[group] = targetInCluster(attackCluster[group], padPlayer);
			if (attackObj[group] == NULLOBJECT)
			{
				attackCluster[group] = 0;
			}
			else
			{
				debugBox(attackObj[group].id);
			}
		}

		//order VTOL group to target (if it exists and not already busy)
		if ((attackObj[group] != NULLOBJECT) and (idleGroup(VTOLgroup[group]) > (VTOLgroup[group].members / 2)))
		{
			debugBox(3);
			debugBox(attackObj[group].id);
			orderGroupObj(VTOLgroup[group], DORDER_ATTACK, attackObj[group]);
		}

		group = group + 1;
	}
}

// give targets to vtols without using visibility
event nextTargetNoVis(inactive)
{
	group = 0;
	while (group < numGroups)
	{
		// find a target for the group
		if (targetObjType[group] == OBJ_DROID)
		{
			attackObj[group] = droidTargetOnMap(player, -1);
		}
		else
		{
			attackObj[group] = structTargetOnMap(player, -1);
		}

		//order VTOL group to target (if not already busy)
		if ((attackObj[group] != NULLOBJECT) and (idleGroup(VTOLgroup[group]) > (VTOLgroup[group].members / 2)))
		{
			debugBox(3);
			debugBox(attackObj[group].id);
			orderGroupObj(VTOLgroup[group], DORDER_ATTACK, attackObj[group]);
		}

		group = group + 1;
	}
}

// reset player visibility if no targets
event resetVis(every, 333)
{
	// see if there are any stored targets
	temp = -1;
	count = 0;
	while (count < numGroups)
	{
		if ((attackObj[count] == NULLOBJECT) and (attackCluster[count] == 0))
		{
			// no targets stored for this group - reset visibility
			// other groups will keep their current target clusters
			temp = count;
			count = numGroups;
		}
		count = count + 1;
	}

	if (temp != -1)
	{
		// no targets stored, reset visibility
		debugBox(4);
		resetPlayerVisibility(padPlayer);
	}
}

event killVTOLS(inactive)
{
	// see if all the vtols are dead
	temp = -1;
	group = 0;
	while (group < numGroups)
	{
		if (VTOLgroup[group].members != 0)
		{
			temp = group;
			group = numGroups;
		}
		group = group + 1;
	}

	if (temp == -1)
	{
		// all the vtols are dead
		count = 0;
		while (count < numPads)
		{
			if (pads[count] != NULLOBJECT)
			{
				destroyStructure(pads[count]);	//get rid of rearming pads
			}
			count = count + 1;
		}
		setEventTrigger(killVTOLS, inactive);
	}
	else
	{
		// some vtols left see if we can kill them off
		group = 0;
		while (group < numGroups)
		{
			initIterateGroup(VTOLgroup[group]);
			droid = iterateGroup(VTOLgroup[group]);
			while (droid != NULLOBJECT)
			{
				if ((droid.x >= killX1 * 128) and (droid.x <= killX2 * 128) and
					(droid.y >= killY1 * 128) and (droid.y <= killY2 * 128))
				{
					vanishUnit(droid);
				}
				droid = iterateGroup(VTOLgroup[group]);
			}
			group = group + 1;
		}
	}
}

event stopVTOL(buildingDestroyed(HQbuilding, padPlayer), 45)
{
//turn off VTOL attacks if command centre dead
	if (not dontStopFlag)
	{
		setEventTrigger(killVTOLS, killVTOLSTrig);
		setEventTrigger(nextTarget, inactive);
		setEventTrigger(targetFound, inactive);
		setEventTrigger(addVTOL, inactive);
	}
	setEventTrigger(stopVTOL, inactive);
}

event cheatEvnt(CALL_MISSION_START)	//cheat button ctrl M
{
//get rid of pads and vtols if cheat!
	count = 0;
	while (count < numPads)
	{
		if (pads[count] != NULLOBJECT)
		{
			destroyStructure(pads[count]);	//get rid of rearming pads
		}
		count = count + 1;
	}
	group = 0;
	while (group < numGroups)
	{
		initIterateGroup(VTOLgroup[group]);
		droid = iterateGroup(VTOLgroup[group]);
		while (droid != NULLOBJECT)
		{
			vanishUnit(droid);
			droid = iterateGroup(VTOLgroup[group]);
		}
		group = group + 1;
	}
}