//--------------------------------------------------------------------------------
// T2L1_Tank.Scr
// Jeff Leggett
// 07/08/2002
//
//  Handles the custom tanks in T2L1...
//	
//--------------------------------------------------------------------------------

//--------------------------------------------------------------------------------
main:
//
//	Initialization function...
//--------------------------------------------------------------------------------

	$tigertank1 hide
	//$tigertank1_stickybomb hide
	//level.bStickyBombHidden = 1
	level.bTigerTank1Destroyed = 0

	level.friendly3 thread MedicThink

	End

//--------------------------------------------------------------------------------
DoTank1:
//
// Tigertank1 - starts the TigerTank rolling on its path
//
//--------------------------------------------------------------------------------

	dprintln "Starting up tank1!!"
	
	$tigertank1 thread Tank1Go

	// set these as 1 until ready... Makes sure these guys are alive for the gag.
	level.bTreeGuyReady	= 0
	level.bDialogSpoken = 0

	End


//--------------------------------------------------------------------------------
Tank1Go:
//--------------------------------------------------------------------------------

	level.enemytankspeed = 200
	level.playertanktarget = $player
	level.lookahead = 256
	level.sightdistance = 16000
	self setcollisionentity $panzertank_mask
	//	self.type = NIL
	self rendereffects "-shadow"
	self.start_health = 1000
	self.health = self.start_health
	self removeondeath 0
	self immune bullet
	self immune fast_bullet
	self immune grenade
	self immune bash

	self.bAttackPlayer = 1

	thread SetupFriendlies
	
	self.gun = self QueryTurretSlotEntity 0
	
	thread global/ai.scr::spawn 6	
	self show

	level.friendly1.health_pickup = FALSE
	level.friendly2.health_pickup = FALSE
	level.friendly3.health_pickup = FALSE

	// Run the vehicle_warning script
	//self thread global/Vehicle_Warning.Scr::WarnFriendlies $friendly 800 0.707
	//self.previous_thread = parm.previousthread

// MJG: the following construct is undefined and BAD BAD BAD
//	self waittill (level.bDialogueSpoken == 1)
	while ( level.bDialogSpoken != 1 ) 
	{
		// don't start driving until dialog is spoken?
		waitframe 
	}

	self drive $tigertank1_path level.enemytankspeed 30 200 level.lookahead
//	self.gun setAimTarget $player
	self waittill drive
	self stop

	// okay, we're here.  Now aim at the friendlies...

	if ( level.friendly3!=NULL && isAlive level.friendly3 )
	{
// MJG: the following construct is undefined and BAD BAD BAD
//		self waittill (level.bTreeGuyReady	== 1)

		while ( level.bTreeGuyReady != 1 ) 
		{ 
			waitframe 
		}

		// stop attacking player
		self.bAttackPlayer = 0

		if ( isAlive self )
			self waitthread target_delay_fire level.friendly3 3
		
		wait 0.1

		// jsl--> Make sure he DIES!
		if ( isAlive self && isAlive level.friendly3 )
		{
			level.friendly3 damage self 3000 self (0 0 0) (0 0 0) (0 0 0) 0 9 0 0
		}
		wait 0.5
	}

	if ( level.friendly2!=NULL && isAlive level.friendly2 )
	{
		self.bAttackPlayer = 0

		self.gun setAimTarget level.friendly2

		// do our miss....
		wait 3
		thread DoFriendly2RunAway
		wait 1
		if ( isAlive self )
			self waitthread target_delay_fire NULL 1
		wait 0.1

		// this time we hit him!
		if ( isAlive self )
			self.gun setAimTarget level.friendly2
	
		wait 4
		
		if ( isAlive self )
			self waitthread target_waittill_fire level.friendly2

		// jsl--> hack until tank aiming is fixed.
		if ( isAlive self && isAlive level.friendly2 )
		{
			level.friendly2 damage self 3000 self (0 0 0) (0 0 0) (0 0 0) 0 9 0 0
		}
		wait 0.5
	}

	if ( level.friendly1!=NULL && isAlive level.friendly1 )
	{
		self.bAttackPlayer = 0

		if ( isAlive self )
			self.gun setAimTarget level.friendly1
		wait 2
		thread DoFriendly1RunAway
		if ( isAlive self )
			self waitthread target_delay_fire NULL 1
		wait 0.1

		if ( isAlive self )
			self.gun setAimTarget level.friendly1
		wait 6

		if ( isAlive self )
			self waitthread target_waittill_fire level.friendly1

		// jsl--> hack until tank aiming is fixed.
		if ( isAlive self && isAlive level.friendly1 )
		{
			level.friendly1 damage self 3000 self (0 0 0) (0 0 0) (0 0 0) 0 9 0 0
		}
		wait 0.5
	}

	// now just be a normal tank... (ie: go after player...)
	if ( isAlive self )
	{
		self thread maps/t2l1.scr::tank_think 0 //panzer //_winter
		self thread maps/t2l1.scr::tank_targeting
	}

	// put the survivors back to their old health value...
	if ( level.friendly1!=NIL && isAlive level.friendly1 )
		level.friendly1 thread RestoreHealth
	if ( level.friendly2!=NIL && isAlive level.friendly2 )
		level.friendly2 thread RestoreHealth
	if ( level.friendly3!=NIL && isAlive level.friendly3 )
		level.friendly3 thread RestoreHealth

	End

//--------------------------------------------------------------------------------
//--------------------------------------------------------------------------------
target_delay_fire local.targ local.delay:

	if ( isAlive self )
		self.gun setAimTarget local.targ
	wait local.delay
	if ( isAlive self )
		self.gun anim fire

end

//--------------------------------------------------------------------------------
//--------------------------------------------------------------------------------
target_waittill_fire local.targ:

	if ( isAlive self )
	{
		self.gun setAimTarget local.targ
		self.gun waittill ontarget
	}
	if ( isAlive self )
		self.gun anim fire

end


//--------------------------------------------------------------------------------
GoAfterPlayer:
//
//	Go after player when the mg42 guy dies.  Stop going after player when
//  
//--------------------------------------------------------------------------------

	while ( self.bAttackPlayer==1 )
	{
		self.gun setAimTarget $player
		self.gun waittill ontarget

		if (self == NULL)
			end

		// should probably be targeting the player or something...
		if !(vector_within $player.origin self.origin 16000)
		{		
			wait 1
		}
		else if (!(sighttrace $player.origin (self.gun.origin + (0 0 64)) 1))
		{
			wait 1
		}
		else
		{
			wait 3
			if ( self.bAttackPlayer==1 )
			{
				self.gun setAimTarget $player
				self.gun waittill ontarget

				if (self == NULL)
					end

////this causes the bug where the cannon doesnt shoot in the Z direction...				self.gun setAimTarget NULL
				self.gun anim fire
				wait 2
			}
		}

		if (self == NULL)
			end
	}	


	End

//--------------------------------------------------------------------------------
DoFriendly2RunAway:
//--------------------------------------------------------------------------------

	if ( level.bTigerTank1Destroyed==0 )
	{
		level.attackthread2 delete
		level.friendly2 thread Friendly2RunAway
		level.attackthread2 = parm.previousthread
	}

	End

//--------------------------------------------------------------------------------
DoFriendly1RunAway:
//
//
//	he runs his flee path and will attack from there....
//--------------------------------------------------------------------------------

	if ( level.bTigerTank1Destroyed==0 )
	{
		level.attackthread1 delete

		level.friendly1 thread FriendlyAttackTank $friendly1_fleepath 1
		level.attackthread1 = parm.previousthread
	}

	End

//--------------------------------------------------------------------------------
Friendly2RunAway:
//
//	Friendly runs away from tank...
//--------------------------------------------------------------------------------

	self runto $friendly2_fleepath
	self waittill movedone

	if ( parm.movedone!=1 )
		goto Friendly2RunAway

	// do cower here..
	while ( 1 )
	{
		self anim 23A107_TakeCoverP
		self waittill animdone
	}

	End

//--------------------------------------------------------------------------------
BeHealthy:
//	temporarily crank up our health to do the tank gag...
//--------------------------------------------------------------------------------
	if ( self==NIL )
		end

	if ( isAlive self )
	{
		self.save_health = self.health
		self.health = self.maxhealth * 0.75
	}
	end

//--------------------------------------------------------------------------------
RestoreHealth:
//
//  put our health back where it was before the tank gag...
//--------------------------------------------------------------------------------

	if ( self==NIL )
		end

	if ( isAlive self )
	{
		self.health = self.save_health
	}
	end


//--------------------------------------------------------------------------------
SetupFriendlies:
//	Go to our hiding places and do the player dialog...
//
//--------------------------------------------------------------------------------

	wait 2

	if ( level.friendly1!=NIL && isAlive level.friendly1 )
	{
		level.friendly1 thread BeHealthy
//		level.friendly1 thread FriendlyAttackTank $friendly1_rally 1
//		level.attackthread1 = parm.previousthread
		level.friendly1 thread DoTank1Dialog

		level.friendly2 thread FriendlyAttackTank $friendly2_rally 1
		level.attackthread2 = parm.previousthread
	}
	else
	{
		if ( level.friendly2!=NIL && isAlive level.friendly2 )
		{
			level.friendly2 thread DoTank1Dialog
			level.friendly2 thread BeHealthy
		}
	}

	if ( level.friendly3!=NIL && isAlive level.friendly3 )
	{
		level.friendly3.abort_cover = 1
		level.friendly3 thread BeHealthy
		// make sure he dies the right way...
		level.friendly3 exec global/setdeathanim.scr "21A201_RagDollDeath"
		// run to his spot...
		level.friendly3 thread FriendlyAttackTank $friendly3_rally 0
		level.attackthread3 = parm.previousthread
	}

	if (!(isAlive level.friendly1) && !(isAlive level.friendly2))
	{
		dprintln "both are dead, start the tank"
		level.bDialogSpoken = 1
	}
End


//--------------------------------------------------------------------------------
Tank1Dead:
//--------------------------------------------------------------------------------

	level.bTigerTank1Destroyed = 1

	// kill the friendly threads....
	level.attackthread1 delete
	level.attackthread2 delete
	level.attackthread3 delete

	// become friends with player again...
	if (level.friendly1 && isAlive level.friendly1 )
	{
		level.friendly1 thread FriendStart
		level.friendly1 exec global/enable_ai.scr
	}

	if (level.friendly2 && isAlive level.friendly2 )
	{
		level.friendly2 thread FriendStart
		level.friendly2 exec global/enable_ai.scr
	}

	if (level.friendly3 && isAlive level.friendly3 )
	{
		level.friendly3 thread FriendStart
		level.friendly3.abort_cover = 0

		// level.friendly3 exec global/enable_ai.scr
	}

	End

	
//--------------------------------------------------------------------------------
TankDialogDeathCheck:
//
//	if the guy dies before saying his dialog, make sure the game can go on...
//--------------------------------------------------------------------------------

	self waittill death

	level.bDialogSpoken = 1

	//if ( level.bStickyBombHidden==0 )
	//{
		//End
	//}

	//waitthread ShowStickyBomb
	exec global/obj.scr 3 current "Use Sticky Bomb to Destroy Tank" $tigertank1.origin
	End

//--------------------------------------------------------------------------------
ShowStickyBomb:
//--------------------------------------------------------------------------------
	if ( level.bStickyBombHidden==1 )
	{
		level.bStickyBombHidden = 0
		exec global/obj.scr 3 current "Use Sticky Bomb to Destroy Tank" $tigertank1.origin
	}

	End

//--------------------------------------------------------------------------------
DoTank1Dialog:
//
//	say our dialog and run to our spot...
//--------------------------------------------------------------------------------

	level.bDialogSpoken = 0

	self thread FriendStop

	//self thread TankDialogDeathCheck
	 
	self exec global/disable_ai.scr
	self nodamage
	self runto $friendly1_speechnode.origin
	self waittill movedone
	level.bDialogSpoken = 1
	wait 3
	self anim 21A103_Dialogue3 	
	self waittill animdone
	self takedamage
	self exec global/enable_ai.scr
	
	exec global/obj.scr 3 current "Use Sticky Bomb to Destroy Tank" $tigertank1.origin

	if ( self==level.friendly1 )
	{
		self thread FriendlyAttackTank $friendly1_rally 1
		level.attackthread1 = parm.previousthread
	}
	else if ( self==level.friendly2 )
	{
		self thread FriendlyAttackTank $friendly2_rally 1
		level.attackthread2 = parm.previousthread
	}
	End


//--------------------------------------------------------------------------------
FriendlyAttackTank local.dest local.attack:
//
//	Sets up this friendly to run to the dest and start attacking the tank...
//
//--------------------------------------------------------------------------------
	self waitthread FriendStop

	self exec global/disable_ai.scr

	local.there = 0

	while ( local.there==0 )
	{
		self runto local.dest
		self waittill movedone
		if ( parm.movedone==1 )
			local.there = 1
	}

	self turnto $tigertank1

	if ( local.attack==1 )
	{
		self aimat $tigertank1

		wait 0.2

		self exec global/crouch.scr

		// now start doing cover fire...
		
		while ( isAlive self )
		{
			// note: this thread gets deleted when the tank dies...

			// if we have a shot at him, do it...

			if (sighttrace (self.origin + (0 0 64)) $tigertank1.origin 1)
			{
				for (local.xx = 0; local.xx < 8; local.xx++ )
				{
					if ( !(isAlive self) )
						break

					self fire
					wait 0.6

					self turnto $tigertank1
					self aimat $tigertank1
				}
			}
			// ??? self waitthread anim/reload.scr::Reload 1 1 0
			// reloading...
			wait 3

			self turnto $tigertank1
			self aimat $tigertank1
		}
	}
	else if (self==level.friendly3)
	{
		// tell tank to come and get me...
		level.bTreeGuyReady	= 1

		while ( isAlive self )
		{
			self anim 23A107_TakeCoverP
			self waittill animdone
		}
	}
	

	End

//-------------------------------------------------------------------
FriendStart:
//
//	Become a friend...
//-------------------------------------------------------------------

	self.mins = 0
	self.maxs = 30
//	self.destination		= $player
	self.friendtype			= 1

	// friendly3 is the medic...
	if ( self==level.friendly3 )
		self.friendtype = 5

	self thread global/friendly.scr::friendlythink
	End


//--------------------------------------------------------------------------------
FriendStop:
//--------------------------------------------------------------------------------
	self thread global/friendly.scr::friendlystop

	End

//--------------------------------------------------------------------------------
mg42_guy_death_check:
//--------------------------------------------------------------------------------

	self waittill death

	// now that the mg42 guy is dead... Have the turret go after the player...
	$tigertank1 thread GoAfterPlayer
	
	end

//--------------------------------------------------------------------------------
MedicRunForCover:
//--------------------------------------------------------------------------------

	// find closest cover place and run there...
	local.total = $medic_hideplace.size
	local.min_dist = 999999
	local.min_node = NULL

	for (local.i=1;local.i<=$medic_hideplace.size;local.i++)
	{
		local.dist = vector_length ( self.origin - $medic_hideplace[local.i].origin )

		if ( local.dist < local.min_dist )
		{
			local.min_dist = local.dist
			local.min_node = $medic_hideplace[local.i]
		}
	}

	if ( local.min_node!=NULL )
	{
		// we found one... how far?
		if ( local.min_dist >= 2304 )
		{
			dprintln "Found medic_hideplace node, but it's too far:" local.min_dist
		}
		else
		{
			dprintln "Found medic_hideplace node, running there now!"
			local.done = 0
			self runto local.min_node
			self waittill movedone

			if ( self.abort_cover==0 )
				self exec global/crouch.scr
		}
	}
	else
	{
		dprintln "No medic_hideplace nodes.  No where to run!"
	}


	end

//--------------------------------------------------------------------------------
AreFriendliesFighting:
//--------------------------------------------------------------------------------

	local.bFighting = 0

	if ( isAlive level.friendly1 && level.friendly1.has_enemy==1 )
		local.bFighting = 1

	if ( isAlive level.friendly2 && level.friendly2.has_enemy==1 )
		local.bFighting = 1

	end local.bFighting

//--------------------------------------------------------------------------------
WaitForFightingToStop:
//
//	wait for fighting to stop while monitoring everyone's health.  If anyones
//  health goes too low, turn back into our friendly medic...
//--------------------------------------------------------------------------------

	local.bFighting = 1
	local.bTurnedOnMedic = 0

	while ( local.bFighting==1 && self.abort_cover==0 )
	{
		wait 0.5
		local.bFighting = waitthread AreFriendliesFighting

		if ( local.bFighting==1 )
		{
			// still fighting, see if anyone needs a medic...

			local.bNeedMedic = 0

			local.health = ($player.health * 100) / $player.maxhealth
			if (local.health < level.medicmin)
				local.bNeedMedic = 1

			if ( isAlive level.friendly1 )
			{
				local.health = (level.friendly1.health * 100) / level.friendly1.maxhealth
				if (local.health < level.medicmin)
					local.bNeedMedic = 1
			}

			if ( isAlive level.friendly2 )
			{
				local.health = (level.friendly2.health * 100) / level.friendly2.maxhealth
				if (local.health < level.medicmin)
					local.bNeedMedic = 1
			}

			if ( local.bTurnedOnMedic==0 )
			{
				if ( local.bNeedMedic==1 )
				{
					dprintln "someone needs a medic... Going back into medic-mode...."
					local.bTurnedOnMedic = 1
					if ( self.abort_cover==0 )
						self thread global/friendly.scr::friendlythink
				}
			}
			else
			{
				// we're still fighting, we've turned on medic mode again, but no one needs us. Run for cover!
				if ( local.bNeedMedic==0 )
				{
					local.bTurnedOnMedic	= 0
					self waitthread global/friendly.scr::friendlystop

					// no one needs a medic, therefore run to hiding spot again...
					dprintln "OK, everyone healed.. Medic running for cover again..."
					self waitthread MedicRunForCover
					wait 3
				}
			}
		}
	}

	end

//--------------------------------------------------------------------------------
MedicThink:
//
//	Have medic run for cover whenever his buddies 
//--------------------------------------------------------------------------------

	self.abort_cover = 0

	// Have our buddies monitor if they're attacking or not...
	level.friendly1 thread FriendlyEnemyCheck
	level.friendly2 thread FriendlyEnemyCheck

	while ( isAlive self )
	{
		local.bFighting = waitthread AreFriendliesFighting

		if ( local.bFighting==1 && self.abort_cover==0 )
		{
			dprintln "FRIENDS ARE FIGHTING! --> Medic running for cover.."
			// stop being a friend for now... Go run for cover...
			self waitthread global/friendly.scr::friendlystop
			self waitthread MedicRunForCover

			// we've run for cover, now see when the fighting is over...
			self waitthread WaitForFightingToStop

			dprintln "FRIENDS have stopped fighting! Becoming a medic again..."

			// fighting has stopped, therefore turn our friendlyness back on..
			if( self.abort_cover==0 )
				self thread global/friendly.scr::friendlythink
		}

		wait 0.5
	}


	end
//--------------------------------------------------------------------------------
FriendlyEnemyCheck:
//--------------------------------------------------------------------------------

	while ( isAlive self )
	{
		self.has_enemy = 0
		self waittill hasenemy
		self.has_enemy = 1
		while ( isAlive self && self.has_enemy==1 )
		{
			wait 3
			if ( self!=NULL && self.thinkstate != "attack" ) 
			{
				wait 1
				if ( self!=NULL && self.thinkstate != "attack" )
					self.has_enemy = 0
			}
		}
	}

	self.hasenemy = 0

	end