Man something's wrong. I added this cog script to kyle.cog that would change my 3do when I go below 50 health. The script for this is under init kyle multi at the bottom. Here's the whole kyle.cog file:
# Jedi Knight Cog Script
#
# KYLE.COG
#
# Main script for the player. Handles things like saber info,
# saber blocking animations, invulnerability at respawn, etc.
#
# [YB & CYW]
#
# (C) 1997 LucasArts Entertainment Co. All Rights Reserved

symbols

thing player local

int nextBlock=0 local
int bin local
int rank local

int force_blinding=0 local
int blindingEffectHandle=-1 local
int PulledWeapon local

int playersector local
vector playerpos local
int bub local

template tpl=+FPBryarPistol local
template tpl1=+FPBryarPistol local
template tpl2=+FPBryarPistol local
template tpl3=+FPSTrifle local
template tpl4=+FPDetonator local
template tpl5=+FPCrossbow local
template tpl6=+FPRepeaterGun local
template tpl7=+FPRailGun local
template tpl8=+FPSeqCharge local
template tpl9=+FPConcRifle local

template smoke_tpl=+heavysmoke local
int smoke local

template teleport_particles=+telesparks local
sound teleportsnd=ForceThrow01.WAV local

template bubble_tpl=bubble local
template bubble_tpl2=bubble2 local
template bubble_tpl3=bubble3 local

template splash_tpl=+watersplash local
template splash_tpl2=+watersplash2 local
int a_splash local
int sender local
int source local

keyframe povBlockAnim0=SabVblk0.key local
keyframe povBlockAnim1=SabVblk1.key local
keyframe povBlockAnim2=SabVblk2.key local

keyframe blockAnim0=KYblock0.key local
keyframe blockAnim1=KYblock1.key local
keyframe blockAnim2=KYblock2.key local

int dummy=0 local
int blockPOVTrack=-1 local
int blockTrack=-1 local

int griptrackID=-1 local

message startup
message killed
message newplayer
message timer
message blocked
message skill
message damaged
message splash
message user0
message pulse

model hurt=kyh3.3do
model healthy=kyh4.3do

end

# ========================================================================================

code

startup:
player = GetLocalPlayerThing();

if(!IsMulti()) call init_kyle;

// Bubbles
if(IsMulti())
SetTimerEx(4 + 5 * rand(), 2, 0, 0);
else
SetTimerEx(2 + 5 * rand(), 2, 0, 0);

Return;

# ........................................................................................

killed:
if(player != GetSenderRef()) Return;

if(IsMulti())
{
CreateBackpack(player);
ClearActorFlags(player, 0x2000);
}

// clean up force powers stuff
if(blindingEffectHandle!=-1)
{
freeColorEffect(blindingEffectHandle);
blindingEffectHandle = -1;
}
ClearActorFlags(player, 0x800);
KillTimerEx(27);
force_blinding = 0;

ClearActorFlags(player, 0x40000);

if(griptrackID != -1)
{
StopKey(player, griptrackID, 0.1);
griptrackID = -1;
}

Return;

# ........................................................................................

damaged:
if(GetParam(1) == 32) call make_bubbles;

ReturnEx(GetParam(0));
Return;

# ........................................................................................

make_bubbles:
playersector = GetThingSector(player);
playerpos = VectorAdd(GetThingPos(player), '0 0 0.075');

for(bub = 1; bub < 1 + 3 * rand(); bub = bub + 1)
{
CreateThingAtPosNR(bubble_tpl[3 * rand()], playersector, VectorAdd(playerpos, VectorScale(VectorNorm(VectorSet(rand()-0.5, rand()-0.5, rand()-0.5)), 0.05)), '0 0 0');
Sleep(0.05);

// Don't create too many bubbles over the network...
if(!IsMulti())
{
CreateThingAtPos(bubble_tpl3, playersector, VectorAdd(playerpos, VectorScale(VectorNorm(VectorSet(rand()-0.5, rand()-0.5, rand()-0.5)), 0.05)), '0 0 0');
Sleep(0.05);
}
}

Return;

# ........................................................................................

newplayer:

call init_kyle;

// If it's multiplayer
if(IsMulti()) call init_multi_kyle;

// Start Bubbles
SetTimerEx(2 + 5 * rand(), 2, 0, 0);

Return;

# ........................................................................................

timer:
if(GetSenderId() == 1) // Invulnerable for a while
{
// jkSetInvulnerable(GetParam(0), 0);
ClearActorFlags(GetParam(0), 8);
Return;
}
else
if(GetSenderId() == 2) // Bubbles check
{
if(GetThingHealth(player) < 1) Return;

if((GetThingFlags(player) & 0x2000000) && !(GetPhysicsFlags(player) & 0x100000))
call make_bubbles;

if(IsMulti())
SetTimerEx(4 + 5 * rand(), 2, 0, 0);
else
SetTimerEx(2 + 5 * rand(), 2, 0, 0);

Return;
}
else
if(GetSenderId() == 24)
{
// A pulled weapon must be made takeable again
SetCollideType(GetParam(0), 1);
Return;
}
else
if(GetSenderId() == 27)
{
if(blindingEffectHandle!=-1)
{
freeColorEffect(blindingEffectHandle);
blindingEffectHandle = -1;
}
// Get the effect ramping down
AddDynamicTint(player, 200 + 8 * rank, 210 + 10 * rank, 200 + 8 * rank);
ClearActorFlags(player, 0x800);
force_blinding = 0;
Return;
}
else
if(GetSenderId() == 31)
{
if(griptrackID != -1)
{
StopKey(player, griptrackID, 0.1);
griptrackID = -1;
}
ClearActorFlags(player, 0x40000);
Return;
}

Return;

# ........................................................................................

blocked:
if(player != GetSenderRef()) Return;

if (blockPOVTrack != -1)
{
jkStopPOVKey( player, blockPOVTrack, 0.1 );
blockPOVTrack = -1;
}
if (blockTrack != -1)
{
StopKey( player, blockTrack, 0.1 );
blockTrack = -1;
}

// PlaySoundThing(hitSound14, player, 1.0, -1, -1, 0);
blockPOVTrack = jkPlayPOVKey(player, povBlockAnim0[nextBlock], 2, 0x1a);
blockTrack = PlayKey(player, blockAnim0[nextBlock], 2, 0x1a);

nextBlock = nextBlock + 1;
if(nextBlock > 2)
nextBlock = 0;

Return;

# ........................................................................................

// This message is sent from the weap_saber.cog
user0:
if (blockPOVTrack != -1)
{
jkStopPOVKey( player, blockPOVTrack, 0.1 );
blockPOVTrack = -1;
}
if (blockTrack != -1)
{
StopKey( player, blockTrack, 0.1 );
blockTrack = -1;
}
Return;

# ........................................................................................

skill:

// player might be dead when skill: arrives over the net...
if(GetThingHealth(player) <= 0) Return;

// Handle multiplayer force power effects
bin = GetParam(0);
rank = GetParam(1);

if(bin == 24) // Force Pull
{
ReturnEx(0);
if(!IsInvActivated(player, 28)) // Absorb makes player immune to Pull
{
if((GetCurWeapon(player) != 1) && (GetCurWeapon(player) != 10))
{
// Create a powerup corresponding to the current weapon
PulledWeapon = CreateThingAtPos(tpl[GetCurWeapon(player)], GetThingSector(player), GetThingPos(player), '0 0 0');

// Make the powerup collide later
SetTimerEx(0.2, 24, PulledWeapon, 0);

// Duplicate for internet games
SetTimerEx(0.25, 24, PulledWeapon, 0);

// Throw the powerup at the player
ApplyForce(PulledWeapon, VectorScale(VectorNorm(VectorSub(GetThingPos(GetSourceRef()), GetThingPos(player))), 30));

// Remove the weapon from the player
ChangeInv(player, GetCurWeapon(player), -1);

// Switch to fists
SelectWeapon(player, 1);

ReturnEx(1);
}
}

Return;
}
else
if (bin == 27) // Force Blinding
{
if((!force_blinding) && (!IsInvActivated(player, 23))) // Seeing makes player immune to Blinding
{
force_blinding = 1;
blindingEffectHandle = newColorEffect(0, 0, 0, 0, 0, 0, 200 + 8 * rank, 210 + 10 * rank, 200 + 8 * rank, 1.0);
SetActorFlags(player, 0x800);
SetTimerEx(4 * rank, 27, player, 0);
ReturnEx(1);
}
else
{
ReturnEx(0);
}

Return;
}
else
if (bin == 31) // Force Grip
{
if(!IsInvActivated(player, 29)) // Protection makes player immune to Grip
{
griptrackID = PlayMode(player, 25);
SetActorFlags(player, 0x40000);

// Print("You are taking Grip damage");
jkPrintUNIString(player, 300);
DamageThing(player, 2 * rank, 0x8, GetSourceRef());
SetTimerEx(0.5, 31, player, 0);
ReturnEx(1);
}
else
{
ReturnEx(0);
}

Return;
}
else
if (bin == 34) // Deadly Sight
{
// Print("You are taking Deadly Sight damage");
jkPrintUNIString(player, 301);
DamageThing(player, 4 * rank, 0x8, GetSourceRef());
smoke = CreateThingAtPosNR(smoke_tpl, GetThingSector(player), GetThingPos(player), '0 0 0');
// Raise the tint above the normal damage tint
if(GetCurrentCamera() == 0)
AddDynamicTint(player, 0.15, 0.0, 0.07);
ReturnEx(1);
Return;
}

ReturnEx(-1);
Return;

# ........................................................................................

splash:
// splash: messages are only sent to the local player's cogs
// (class cog and capture cog) for performance reasons...

sender = GetSenderRef();
source = GetSourceRef();

// actor or player ?
if((GetThingType(sender) == 2) | | (GetThingType(sender) == 10))
{
// whatever source (i.e. enter or leave, don't care)
a_splash = CreateThingAtPosNR(splash_tpl2, GetThingSector(sender), GetThingPos(sender), '0 0 0');
}
// these are mostly the projectiles...
else
{
// on entering only
if(source == 1)
// not if player is submerged, but still do it if he's on the surface
if(!(GetThingFlags(player) & 0x2000000) | | (GetPhysicsFlags(player) & 0x100000))
a_splash = CreateThingNR(splash_tpl, sender);
}

Return;

# ........................................................................................

init_kyle:
SetActorFlags(player, 8);
SetTimerEx(1.50, 1, player, 0);

// Set Health to full
SetThingHealth(player, 100);

// Set Mana to full
SetInv(player, 14, GetInv(player, 20) * 50);

// Set Shields to 100 minimum
if(GetInv(player, 60) < 100) SetInv(player, 60, 100);

// Set Battery to 100 minimum
if(GetInv(player, 13) < 100) SetInv(player, 13, 100);

// Set the power boost to 1.0
SetInv(player, 63, 1.0);

// When player starts, give him fists, and a bryar.
SetInv(player, 1, 1.0);
SetInv(player, 2, 1.0);

// Give 50 energy minimum
if(GetInv(player, 11) < 50) SetInv(player, 11, 50.0);

// Bacta
if(GetInv(player, 40) == 0)
SetInvAvailable(player, 40, 0);
else
SetInvAvailable(player, 40, 1);

// IR Goggles
if(GetInv(player, 41))
SetInvAvailable(player, 41, 1);
else
SetInvAvailable(player, 41, 0);
SetInvActivated(player, 41, 0);

// Field Light
SetInv(player, 42, 1);
SetInvAvailable(player, 42, 1);
SetInvActivated(player, 42, 0);
ClearActorFlags(player, 4);

jkEndTarget();

Return;

# ........................................................................................

init_multi_kyle:

// Set Weapons
SetInv(player, 1, 1.0);
SetInv(player, 2, 1.0);
SetInv(player, 3, 0.0);
SetInv(player, 4, 0.0);
SetInv(player, 5, 0.0);
SetInv(player, 6, 0.0);
SetInv(player, 7, 0.0);
SetInv(player, 8, 0.0);
SetInv(player, 9, 0.0);
SetInv(player, 10, 1.0);

// Set Ammo
SetInv(player, 11, 50.0);
SetInv(player, 12, 0.0);
SetInv(player, 15, 0.0);

// Remove bacta tank and IR goggles
SetInv(player, 40, 0);
SetInv(player, 41, 0);
SetInvAvailable(player, 40, 0);
SetInvAvailable(player, 41, 0);

// Set shields to 100
SetInv(player, 60, 100);

// Do respawn effects
dummy = CreateThingAtPos(teleport_particles, GetThingSector(player), GetThingPos(player), '0 0 0');
dummy = PlaySoundThing(teleportsnd, player, 1.0, -1, -1, 0x180);

SetFireWait(player, -1);
SetMountWait(player, 0);
SetCurInvWeapon(player, 0);
SelectWeapon(player, AutoSelectWeapon(player, 1));

SetPulse(0.1);
Return;
#============================================================
pulse:
player = GetSourceRef();
health = GetThingHealth(player);
if (health <= 50)
{
SetThingModel(player, hurt);
}
else
{
if (health >= 50)
{
SetThingModel(player, healthy);
}
}

Return;

end

Well, for starters, you have player=GetSourceRef();

Pulse doesn't have a SourceRef. Just take that out, but leave Player in the cog verbs because player is defined at startup. =)

There you go, should work now.


------------------
-Hell Raiser
"I am not defeated so easily!"
Co-staffer of Rbots