.cho file loader

[handsomematt]

.cho files are used by the game to describe playable character rigs, define their animations in a standard key value string and their "locomotion" animations / speed / etc..

// skeleton rig
rig "homer"
{
    skeleton "homer";

    // roots
    jointIndex_AIRoot 0;
    jointIndex_OrientationRoot 0;
    joint_MotionRoot "Motion_Root";
    joint_BalanceRoot "Balance_Root";
    joint_CharacterRoot "Character_Root";

    // balance root
    maxBalanceRootCompress 0.25;

    // legs
    leg "left"
    {
        jointIndex_FootPlant 1;
        footPlantChannelIndex 1;

        joint_FKMin "Hip_L";
        joint_FKMax "Ball_L";

        joint_Thigh "Hip_L";
        joint_Knee "Knee_L";
        joint_Ankle "Ankle_L";

        //joint_Effector "Left_Foot";
        //joint_PoleVector "Left_Knee";
        //joint_OrientOffset "L_Foot_O_Off";

        isIKRigged 0;
    };

   // ...
};

similar to https://developer.valvesoftware.com/wiki/KeyValues