ui.nut

ScriptPrintMessageChatAll("Registered game_ui");

self.ConnectOutput("PressedAttack", "PressedAttack");
self.ConnectOutput("UnpressedAttack", "UnpressedAttack");

player <- null;
tracker <- null;

DoIncludeScript("VUtil", null);

function OnPostSpawn()
{

}

class TraceInfo
{
    constructor(h,d)
    {
        Hit = h;
        Dist = d;
    }

    Hit = null;
    Dist = null;
}

//Returns the hit position of a trace along a normalized direction vector.
function TraceDir(orig, dir, maxd, filter)
{
    local frac = TraceLine(orig,orig+dir*maxd,filter);
    if(frac == 1.0) { return TraceInfo(orig+(dir*maxd),0.0);}
    return TraceInfo(orig+(dir*(maxd*frac)),maxd*frac);
}

function PressedAttack()
{
    if((player == null) || (tracker == null))
    {
        player <- activator;
        tracker <- VUtil.Player.CreateEye(player);
    }
    printl("+attack called by " + player);

    local trace = TraceDir(player.EyePosition()-Vector(0,0,10),tracker.GetForwardVector(),46341.0,player); //Cast a ray from the player's eyes in the direction they are looking
    /*exp <- Entities.CreateByClassname("env_explosion");
    exp.__KeyValueFromInt("iMagnitude", 1000);
    exp.__KeyValueFromInt("iRadiusOverride", 100);
    exp.__KeyValueFromInt("SpawnFlags", 16);
    exp.SetOrigin(trace.Hit);
    exp.SetOwner(player);
    EntFireByHandle(exp, "Explode", "", 0, player, player);*/
    ent <- null;
    if((ent = Entities.FindByClassnameNearest("player", trace.Hit, 100)) != null)
    {
        if(ent == player)
        {
            player.SetOrigin(player.GetOrigin() + Vector(0,0,2));
            player.SetVelocity(player.GetVelocity() + Vector(0,0,200));
        }
        else
        {
            EntFireByHandle(ent, "SetHealth", "0", 0, player, player);
        }
    }
    DispatchParticleEffect("weapon_muzzle_flash_taser", trace.Hit, trace.Hit);
    DebugDrawLine(player.EyePosition(), trace.Hit, 255, 10, 10, false, 5);

}
function UnpressedAttack()
{
    printl("-attack called by " + player);
}