View source for Adding Heads and Weapons to AI

{{Original_Reference|ascottk|4633}}

<math>Springheel:  For mappers who want to swap heads on their AI, you don't need to change anything in the def files (nor should you) to attach a different head.

Just add the spawnarg:

"def_head" "tdm_head_young" (or whatever head you want)

to the AI in question from the editor. Not every head looks good on every AI.  If you want to see what heads have been specifically set up to work on an AI, open the AI's .def file and look for the list of heads (see below).  Any heads not listed probably don't work.  The numerical values to the right offset the head so it fits properly on the AI's neck.

"tdm_head_young"			"-0.6 0 -8.5"
"tdm_head_young02"			"-1 0 -9.5"
"tdm_head_pretty_old"			"-0.8 0 -9"
"tdm_head_pretty_old02"			"-1 0 -9.3"
"tdm_head_old_evileye"			"-1 0 -9.5"
"tdm_head_bald"				"-1 0 -9.2"
"tdm_head_bald02"			"-1 0 -9"
"tdm_head_bald_big"			"-1 0 -9.2"
</math>

Adding newly modelled heads:

First let's add the head (tdm_ai_builder_guard.def). First you need a head mesh and animations (duh wacko.gif ) & add the head to the def file:

 model head_builderguard {
    mesh                   models/md5/chars/builders/guard/builderguard_head.md5mesh
    channel eyelids        ( Ruplid Rlolid Luplid Llolid )

    anim idle              models/md5/chars/builders/guard/head_idle.md5anim
    anim stand             models/md5/chars/builders/guard/head_idle.md5anim
    anim blink             models/md5/chars/builders/guard/head_blink.md5anim
    anim dead              models/md5/chars/builders/guard/head_death.md5anim
 }

Then you need add refer to that in the main entityDef (most tdm AI will attach the heads to "Head" on the main model):

 entityDef atdm:ai_builder_guard
 {
    "inherit"         "atdm:ai_humanoid"
    "ragdoll"         "guard_base"
    "model"           "builderguard"
    "def_head"        "head_builderguard"
    "head_joint"      "Head"
        . . .
 }

That should be it for the head.

Now let's add the weapon (it needs to have a collision mesh). First you need to add two entityDefs per weapon (currently the entityDefs are in tdm_ai_weapons.def). Let's use the hammer as an example:

 entityDef ai_weapon_hammer {
    "inherit"       "func_static"
    "model"         "models/weapons/hammer.lwo"
    "frobable"      "0"
    "joint"         "sword"
    "origin"        "2 0 0"
    "angles"        "0 -55 -165"
    "remove"        "1"
 }
 
 entityDef ai_weapon_hammer_drop {
    "inherit"       "moveable_base"
    "model"         "models/weapons/hammer.lwo"
    "frobable"      "1"
    "origin"        "2 0 0"
 
    "angles"        "0 -55 -165"
    "remove"        "1"
    "density"       "0.01"
    "mass"          "100"
    "bouncyness"    "0"
 
    "nonsolid"      "0"
    //"nodrop"      "0"
    "noimpact"      "0"
    "notpushable"   "0"
 }

The first entityDef is for the weapon the AIs carry and "frobable" needs set to "0" or you'll be able to carry that weapon . . . with an AI attached to it. The "joint" is where the weapon will be attached to on the main mesh. In our case the joint will usually be "sword".

The second entityDef is for the weapon after it drops. Now you can pick up the weapon without an AI attached to it thus "frobable" = "1".

Now we need to attach those to the AI. Just add:

    "def_attach"                "ai_weapon_hammer"
    "def_dropDeathItem"         "ai_weapon_hammer_drop"
    "dropDeathItemJoint"        "RightHand"
    "dropDeathItemRotation"     "0 0 0"

into the main AI's entityDef.

def_attach = the weapon attachment
def_dropDeathItem = the weapon after it drops off the AI
dropDeathItemJoint = the joint the weapon will drop from after the AI is unconscious or dead
dropDeathItemRotation = optional rotation of the weapon when it drops

[[Category:Tutorial]]
[[Category:Models]]
[[Category:AI]]