AI Guard Unit

function AIGuard::GetClosestHumanInSightandRange(%this, %obj)
{
%dist=0;
%index = -1; //sets the initial index value to -1  The index is the id number of the nearest
            //human target found
	%botpos = %this.getposition();		//The bots current position
	%count = ClientGroup.getCount();		//The number of clients to check
	
	//The for-next loop cycles through all of the valid clients
	for(%i=0; %i < %count; %i++)
	{
		%client = ClientGroup.getobject(%i);		//Get the client info for the client at index %i
		
			//If the client is invalid then the function bails out returning a -1 value, for no
		//target found.
		if (%client.player !$= "" || %client.player > 0)	
		 {
		
				 
		 //The following line just changes the %client to %tgt to make it easier to follow the code below
		%tgt = %client;
		
		%playpos = %client.player.getposition();		//Assigns the player position to a variable
		
		
		%tempdist = vectorDist(%playpos, %botpos);	//Determine the distance from the bot to the target
		
		
		//The first test we perform is to see if the target is within the bots range
		//Is target in range? If not bail out of checking to see if its in view.
		if (%tempdist <= $AI_GUARD_DETECT_DISTANCE)
		{
					
					//Lower attentionlevel to increase response time...
					%this.attentionlevel--;
						
					//Prevent the attention level from dropping below 1
					if(%this.attentionlevel < 1) %this.attentionlevel=1;
			
			//The second check is to see if the target is within the FOV of the bot.
			//Is the target within the fov field of vision of the bot?
			if(%this.Istargetinview(%obj, %tgt, %obj.fov))
				{
					
					//Lower attentionlevel to increase response time...
					%this.attentionlevel--;
					
						//Prevent the attention level from dropping below 1
					if(%this.attentionlevel < 1) %this.attentionlevel=1;
					
					//The third check we run is to see if there is anything blocking the
					//target from the bot.
					if(%this.CheckLOS(%obj, %tgt))
					{
					
					//We lower the bots attention level again, to further increase it's
					//response time, this effectively means that the bot will respnd faster to
					//objects that are both in range and in plain sight.
					%this.attentionlevel--;
					
						//Prevent the attention level from dropping below 1
					if(%this.attentionlevel < 1) %this.attentionlevel=1;
					
					//If there is a current target, then check the distance to the new target as
					//compared to the current set target. If the new target is closest, then set
					//the index and tempdistance to the new target.
					if(%tempdist < %dist || %this.dist == 0)
					{
						%dist = %tempdist;
						%index = %i;
					}
				}
			}
			}
		}
		else
			{
				//If there are no targets in view, then the bots attention will slowly lapse and increase
				//This will slow down how fast the bot thinks and how often it checks for threats.
				%this.attentionlevel = %this.attentionlevel + 0.5;
				if(%this.attentionlevel > $AI_GUARD_MAX_ATTENTION) %this.attentionlevel=$AI_GUARD_MAX_ATTENTION;
					
			}
	}
	
	return %index;
}

function AIPatrol::GetClosestHumanInSightandRange(%this, %obj)
{
	%dist=0;
	%index = -1;
	%botpos = %this.getposition();
	%count = ClientGroup.getCount();
	for(%i=0; %i < %count; %i++)
	{
		%client = ClientGroup.getobject(%i);
		if (%client.player !$= "" || %client.player >0)
		{
		%tgt = %client;
		%playpos = %client.player.getposition();
		
		%tempdist = vectorDist(%playpos, %botpos);
		
		//Is target in range? If not bail out of checking to see if its in view.
		if (%tempdist <= $AI_PATROL_DETECT_DISTANCE)
		{
			//Lower attentionlevel to increase response time...
					%this.attentionlevel--;
					if(%this.attentionlevel < 1) %this.attentionlevel=1;
			
			//Is the target within the fov field of vision of the bot?
			if(%this.Istargetinview(%obj, %tgt, %obj.fov))
				{
					//Lower attentionlevel to increase response time...
					%this.attentionlevel--;
					if(%this.attentionlevel < 1) %this.attentionlevel=1;
					if(%this.CheckLOS(%obj, %tgt))
					{
			%this.attentionlevel--;
					if(%this.attentionlevel < 1) %this.attentionlevel=1;
			
						if(%tempdist < %dist || %dist== 0)
						{
							%dist = %tempdist;
							%index = %i;
						}
					
				}
			}
		}
		}
		else
			{
				%this.attentionlevel = %this.attentionlevel + 0.5;
					if(%this.attentionlevel > $AI_PATROL_MAX_ATTENTION) %this.attentionlevel=$AI_PATROL_MAX_ATTENTION;
					
			}
	}
	return %index;
}

$AI_GUARD_ENABLED = false;

$AI_GUARD_ENABLED = true;

exec("./aiGuard.cs");

AIGuard::LoadEntities

$AI_GUARD_ENABLED = true;						//Whether Guard bots are loaded during mission loading.
$AI_GUARD_MARKER_HIDE = true;				//Turns marker hiding on or off - useful when editing maps.
$AI_GUARD_SIDESTEP = 50;						//This value helps determine how far a bot sidesteps when he is stuck.
																		//The computer picks a random number between 1 and $AI_GUARD_SIDESTEP
																		//The value is then subtracted by half it's value to create a left/right
																		//and forward/back component. So the effective range is really -25 to +25
																		//with the default setting
$AI_GUARD_HOLDCNT_MAX = 5;					//The number of think cycles that the bot will 'hold' for before trying to
																		//return to his post.
$AI_GUARD_FIREDELAY = 500;					//How long the bot waits between firing bursts.
$AI_GUARD_ENHANCED_FOV_TIME =2000;	//How long the bots field of vision is enhanced to 360 for.
$AI_GUARD_FOV			      =240;				//The guards field of vision
$AI_GUARD_DETECT_DISTANCE =100;			//The range at which a guardbot will start reacting to a client target
$AI_GUARD_IGNORE_DISTANCE = 100;		//The range at which the bot ignores a client and will not fire on it.
$AI_GUARD_SCANTIME       =500;			//The quickest time between think cycles.
$AI_GUARD_MAX_ATTENTION = 10; 		  //This number and $AI_GUARD_SCANTIME are multiplied to set the delay in the
																		//thinking loop. Used to free up processor time on bots out of the mix.
$AI_GUARD_CREATION_DELAY =5000;			//How long a bot waits after creation before his think cycles are controlled by
																		//his attention rate. (Used to help free up think cycles on bots while misison
																		//finishes loading.
$AI_GUARD_TRIGGER_DOWN =  100;			//How long the bot holds down the trigger when firing. Use longer pulses for
																		//pray and spray type weapons.
$AI_GUARD_DEFAULTRESPAWN = true;		//Controls whether guards respawn automatically or not if their marker does not have
																		//dynamice 'respawn' variable set in it.
$AI_GUARD_RESPAWN_DELAY = 20000;		//Determines how long a bot goes in between death and respawning.
$AI_GUARD_ENHANCEFOV_CHANCE = 10; 	//There is a 1 in x chance that guard will see 360 deg vision to prevent it
																		//from being snuck up on.