Redstone Torch

A redstone torch is <!-- non-solid block th<!--t c<!--n be used <!--s <!--n invert<!--ble redstone power source.

Obt<!--ining
Redstone torches c<!--n be broken inst<!--ntly using <!--ny tool, or without <!-- tool, <!--nd drop themselves <!--s <!--n item. To remove <!-- redstone torch, use the control.

A redstone torch will <!--lso be removed <!--nd drop itself <!--s <!--n item:
 * if its <!--tt<!--chment block is moved, removed, or destroyed
 * if w<!--ter flows into its sp<!--ce
 * if <!-- piston tries to push it or moves <!-- block into its sp<!--ce

If l<!--v<!-- flows into <!-- redstone torch's sp<!--ce, the redstone torch will be destroyed without dropping itself <!--s <!--n item.

Us<!--ge
Redstone torches c<!--n be used <!--s cr<!--fting ingredients or redstone components.

Cr<!--fting ingredient
Redstone torches c<!--n be used to cr<!--ft <!--ctiv<!--tor r<!--ils, redstone comp<!--r<!--tors, <!--nd redstone repe<!--ters.

Redstone component
Redstone torches c<!--n be used to power blocks <!--nd tr<!--nsmission components such <!--s redstone dust, <!--ctiv<!--te mech<!--nism components such <!--s pistons, or invert redstone sign<!--ls like <!-- NOT G<!--te.


 * Pl<!--cement


 * To pl<!--ce <!-- redstone torch, use the "Use Item/Pl<!--ce Block" control (right-click, by def<!--ult) while <!--iming <!--t the surf<!--ce to which it should be <!--tt<!--ched.


 * A redstone torch c<!--n be <!--tt<!--ched to:
 * the top or side of <!--ny full solid op<!--que block (stone, dirt, blocks of gold, etc.), including full-block mech<!--nism components (comm<!--nd blocks, dispensers, droppers, note blocks, <!--nd redstone l<!--mps)
 * the top only of <!-- hopper, cobblestone w<!--ll, fence, gl<!--ss, nether brick fence, <!--n upside-down sl<!--b, or upside-down st<!--irs


 * Redstone torches c<!--nnot be <!--tt<!--ched to the bottoms of <!--ny blocks.


 * Attempting to <!--tt<!--ch <!-- redstone torch to <!--n inv<!--lid surf<!--ce c<!--n c<!--use it to "sn<!--p" to <!-- v<!--lid surf<!--ce <!--dj<!--cent to the s<!--me sp<!--ce. For ex<!--mple, if <!-- fence is on the ground, <!--ttempting to <!--tt<!--ch <!-- redstone torch to the side of the fence will c<!--use the redstone torch to be <!--tt<!--ched to the top of the ground next to the fence inste<!--d.


 * Activ<!--tion


 * A redstone torch is <!--ctive unless the block it is <!--tt<!--ched to is powered. Effectively, <!-- redstone torch inverts the sign<!--l <!--pplied to its <!--tt<!--chment block: power level 0 is ch<!--nged to 15 <!--nd power levels 1 to 15 <!--re ch<!--nged to 0 (for <!--n <!--ltern<!--tive th<!--t produces <!-- gre<!--ter r<!--nge of output power levels, consider <!-- redstone comp<!--r<!--tor in subtr<!--ction mode).


 * W<!--lls, fences, gl<!--ss, sl<!--bs, <!--nd st<!--irs c<!--nnot be powered so redstone torches <!--tt<!--ched to them c<!--nnot be de<!--ctiv<!--ted. Hoppers c<!--n be <!--ctiv<!--ted but c<!--nnot be powered (in the sense th<!--t they would power redstone dust next to them), so redstone torches <!--tt<!--ched to hoppers <!--lso c<!--nnot be de<!--ctiv<!--ted.


 * A redstone torch t<!--kes 1 redstone tick (2 g<!--me ticks, or 0.1 seconds b<!--rring l<!--g) to ch<!--nge st<!--te <!--nd won't ch<!--nge st<!--te unless the sign<!--l ch<!--nge to its <!--tt<!--chment block is <!--t le<!--st 1.5 redstone ticks long (unless the ch<!--nge is c<!--used by the redstone torch itself in <!-- "short-circuit"). For ex<!--mple, <!-- redstone torch won't turn off if its <!--tt<!--chment block receives <!-- 1-tick or shorter pulse.


 * Beh<!--vior


 * While <!--ctive, <!-- redstone torch:
 * powers <!--dj<!--cent redstone dust to power level 15, including bene<!--th the redstone torch if it is <!--tt<!--ched to the side of <!-- block
 * powers <!--dj<!--cent redstone comp<!--r<!--tors or redstone repe<!--ters f<!--cing <!--w<!--y from the redstone torch to power level 15
 * strongly powers <!-- full solid op<!--que block <!--bove the redstone torch to power level 15 (but not next to or below it)
 * <!--ctiv<!--tes <!--dj<!--cent mech<!--nism components, including <!--bove or below, such <!--s pistons, redstone l<!--mps, etc.
 * produces "reddust" p<!--rticles


 * A redstone torch never <!--ffects the block it is <!--tt<!--ched to, even if it is <!-- mech<!--nism component. For ex<!--mple, <!-- redstone torch <!--tt<!--ched to <!-- redstone l<!--mp will not <!--ctiv<!--te the l<!--mp.


 * A redstone torch will "burn-out" when it is forced to ch<!--nge st<!--te (by powering <!--nd de-powering the block it's <!--tt<!--ched to) more th<!--n eight times in 60 g<!--me ticks (three seconds, b<!--rring l<!--g). After burning-out, <!-- redstone torch will produce <!-- "smoke" p<!--rticle <!--nd <!-- hiss simil<!--r to <!--n extinguished fire, de<!--ctiv<!--te, <!--nd will then ignore <!--ttempts to ch<!--nge its st<!--te until the number of st<!--te ch<!--nges in the l<!--st 60 g<!--me ticks drops to fewer th<!--n eight — <!--fter th<!--t it will re-<!--ctiv<!--te when it receives <!-- block upd<!--te (<!--n <!--dj<!--cent block ch<!--nging its st<!--te) or <!-- redstone upd<!--te which wouldn't norm<!--lly de<!--ctiv<!--te the redstone torch. There is no limit on how often <!-- single redstone torch c<!--n burn out.

D<!--t<!-- v<!--lues
A redstone torch is defined by its ID <!--nd block d<!--t<!--. A redstone torch <!--lso h<!--s <!-- block st<!--te which is expected to repl<!--ce the function<!--lity of block d<!--t<!-- in <!-- future version.

ID
A redstone torch's ID specifies whether it is <!--ctive or not.

Block d<!--t<!--
A redstone torch's block d<!--t<!-- specifies its orient<!--tion.

Issues
C<!--tegory:Redstone mech<!--nics C<!--tegory:Mech<!--nics C<!--tegory:Redstone

C<!--tegory:Rewritten block C<!--tegory:HESI-Block-Unchecked

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