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// materialize/dematerialize door movement script
// JohnG Linden
 
// NOTE: these definitions should be the same as those from the lock
// object or the door will not actually work
integer     direction;
integer b;
integer getLinkWithName(string name) {
    integer i = llGetLinkNumber() != 0;   // Start at zero (single prim) or 1 (two or more prims)
    integer x = llGetNumberOfPrims() + i; // [0, 1) or [1, llGetNumberOfPrims()]
    for (; i < x; ++i)
        if (llGetLinkName(i) == name) 
            return i; // Found it! Exit loop early with result
    return -1; // No prim with that name, return -1.
}
integer gLockChannel = 9394832;
string  gOpenMsg = "MSG_OPEN";
string  gCloseMsg = "MSG_CLOSE";
string Lasername = "BridgeDoorLasers";
string DontTouch = "Dematerializing Door V1.1"; //Well ok you can touch it but it involves editing linked prims.
 
vector color_on = <1.0,0.0,0.0>; //change this to the color that you whant the light to be
float intensity_on = 0.25; //change this for the intenstity max 1.0 - min 0.0
float radius_on = 5.0; //change this for the radius max 20.0 = min 0.0
float falloff_on = 0.75; //change this for the fulloff max 2.00 - min 0.0
 
 
// where we are when closed
vector startingSize;
vector      move;
vector scale;
vector      gClosedPos;
rotation    gClosedRot;
// internal timer for opening
float       gOpenTimer;
 
// how long it takes to open/close
float   gOpenTime = 1.3;
// how many steps along the way
float   gOpenTimeStep = 0.2;
// how transparent when open
float   gOpenAlpha = 0.00;
float   gClosedAlpha = 1.0;
 
// sound we loop when opening/closing
string  gOpenSound = "open";
string  gCloseSound = "close";
float   gSoundVolume = 0.6;
 
//
// helper functions
//
 
func_debug(string str)
{
//    llSay(0, str);
}
debug(string str)
{
//    llSay(0, str);
}
say(string str)
{
    llSay(0, str);
}
slide_prim()
    {
        if (direction == 1){scale=<0.01,0.01,0.01>;
        b = 1;}
        else {scale = startingSize;
        b = 2;}
        //float i;
        //for (i=0;i<1;i=i+speed)
        {
            llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_POSITION, llGetLocalPos() + move*direction*llGetLocalRot(),PRIM_SIZE,scale,PRIM_PHYSICS_SHAPE_TYPE,b ]);
        }
        direction *= -1;
    }
//
// states begin here
//
 
default
{
    on_rez(integer arg) { llResetScript(); }
    
    state_entry()
    {
        direction = 1;
        scale = <0.01,0.01,0.01>;
        startingSize = llList2Vector(llGetLinkPrimitiveParams(LINK_THIS,[PRIM_SIZE]),0);
        func_debug("default state_entry");
        move = startingSize;
        // no physics
        llSetStatus(STATUS_PHYSICS, FALSE);
        // open/close timer
        gOpenTimer = 0.0;
        // listen for open/close messages
        llListen(gLockChannel, "", "", "");
        // and go to closed state
        state door_closed;
        llSetLinkPrimitiveParamsFast(getLinkWithName(Lasername), [PRIM_PHYSICS_SHAPE_TYPE,2]);//False?
    }
}
 
state door_closed
{
    on_rez(integer arg) { llResetScript(); }
    
    state_entry()
    {
        func_debug("door_closed state_entry");
        // make us impermeable
        llListen(gLockChannel, "", "", "");
        //llSetLinkPrimitiveParamsFast(getLinkWithName(Lasername), [PRIM_PHYSICS_SHAPE_TYPE,2]);//False?
        llSetLinkPrimitiveParamsFast(getLinkWithName(DontTouch), [PRIM_PHYSICS_SHAPE_TYPE,2]);//False?
    }
 
    listen(integer channel, string name, key id, string msg)
    {
        if ( msg == gOpenMsg )
        {
            state door_opening;
        }
    }
}
 
state door_opening
{
    on_rez(integer arg) { llResetScript(); }
    
    state_entry()
    {
        func_debug("door_opening state_entry");
        // start opening sound
        llLoopSound(gOpenSound, gSoundVolume);
        // start opening process
        llResetTime();
        gOpenTimer = 0.0;
        llListen(gLockChannel, "", "", "");
        llSetTimerEvent(gOpenTimeStep);
    }
    
    timer()
    {
        float   time = llGetTime();
        
        // interpolate transparency from closed to open
        float   alpha = (1 - (time / gOpenTime)) * (gClosedAlpha - gOpenAlpha) + gOpenAlpha;
        llSetAlpha(alpha, ALL_SIDES);
         llSetLinkPrimitiveParamsFast
                (LINK_THIS,[
                    PRIM_POINT_LIGHT,
                TRUE,
                color_on,
                alpha,
                radius_on,
                falloff_on
                    ]);
 
        if ( time > gOpenTime )
        {
            // stop timer interrupts
            llSetTimerEvent(0.0);
            // door is now open
            state door_open;
        }
    }
    
    state_exit()
    {
        llStopSound();
    }
}
 
state door_open
{
    on_rez(integer arg) { llResetScript(); }
    
    state_entry()
    {
        func_debug("door_open state_entry");
        // make us permeable
        llListen(gLockChannel, "", "", "");
        slide_prim();
        //llSetLinkPrimitiveParamsFast(getLinkWithName(Lasername), [PRIM_PHYSICS_SHAPE_TYPE,1]);//True?
        llSetLinkPrimitiveParamsFast(getLinkWithName(DontTouch), [PRIM_PHYSICS_SHAPE_TYPE,1]);//True?
    }
 
    listen(integer channel, string name, key id, string msg)
    {
        if ( msg == gCloseMsg )
        {
            state door_closing;
        }
    }
}
 
state door_closing
{
    on_rez(integer arg) { llResetScript(); }
    
    state_entry()
    {
        func_debug("door_closing state_entry");
        // audio
        slide_prim();
        llLoopSound(gCloseSound, gSoundVolume);
        // start opening process
        llResetTime();
        gOpenTimer = 0.0;
        llListen(gLockChannel, "", "", "");
        llSetTimerEvent(gOpenTimeStep);
    }
    
    timer()
    {
        float   time = llGetTime();
        
        // interpolate transparency from closed to open
        float   alpha = (time / gOpenTime) * (gClosedAlpha - gOpenAlpha) + gOpenAlpha;
        llSetAlpha(alpha, ALL_SIDES);
         llSetLinkPrimitiveParamsFast
                (LINK_THIS,[
                    PRIM_POINT_LIGHT,
                TRUE,
                color_on,
                alpha,
                radius_on,
                falloff_on
                    ]);
 
        if ( time > gOpenTime )
        {
            // stop timer interrupts
            llSetTimerEvent(0.0);
            // door is now closed
            state door_closed;
        }
    }
    
    state_exit()
    {
        // kill closing sound
        llStopSound();
    }
}