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b44967501c
* Optimizes explosions (very slightly) * Update explosions.dm * Update atoms_movable.dm * Update dungeon.dm * Update stone.dm Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com> Co-authored-by: Zonespace <41448081+Zonespace27@users.noreply.github.com>
57 lines
2.4 KiB
Plaintext
57 lines
2.4 KiB
Plaintext
/// Apply this element to a movable atom when you want it to block explosions
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/// It will mirror the blocking down to that movable's turf, keeping explosion work cheap
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/datum/element/blocks_explosives
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/datum/element/blocks_explosives/Attach(datum/target)
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if(!ismovable(target))
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return
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. = ..()
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ADD_TRAIT(target, TRAIT_BLOCKING_EXPLOSIVES, TRAIT_GENERIC)
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var/atom/movable/moving_target = target
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RegisterSignal(moving_target, COMSIG_MOVABLE_MOVED, PROC_REF(blocker_moved))
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RegisterSignal(moving_target, COMSIG_MOVABLE_EXPLOSION_BLOCK_CHANGED, PROC_REF(blocking_changed))
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moving_target.explosive_resistance = moving_target.explosion_block
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if(length(moving_target.locs) > 1)
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for(var/atom/location as anything in moving_target.locs)
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block_loc(location, moving_target.explosion_block)
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else if(moving_target.loc)
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block_loc(moving_target.loc, moving_target.explosion_block)
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/datum/element/blocks_explosives/Detach(datum/source)
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. = ..()
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REMOVE_TRAIT(source, TRAIT_BLOCKING_EXPLOSIVES, TRAIT_GENERIC)
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/// Call this when our blocking well, changes. we'll update our turf(s) with the details
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/datum/element/blocks_explosives/proc/blocking_changed(atom/movable/target, old_block, new_block)
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if(length(target.locs) > 1)
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for(var/atom/location as anything in target.locs)
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unblock_loc(location, old_block)
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block_loc(location, new_block)
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else if(target.loc)
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unblock_loc(target.loc, old_block)
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block_loc(target.loc, new_block)
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/// Applies a block amount to a turf. proc for convenince
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/datum/element/blocks_explosives/proc/block_loc(atom/location, block_amount)
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location.explosive_resistance += block_amount
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/// Removes a block amount from a turf. proc for convenince
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/datum/element/blocks_explosives/proc/unblock_loc(atom/location, block_amount)
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location.explosive_resistance -= block_amount
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/// Essentially just blocking_changed except we remove from the old loc, and add to the new one
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/datum/element/blocks_explosives/proc/blocker_moved(atom/movable/target, atom/old_loc, dir, forced, list/old_locs)
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if(length(old_locs) > 1)
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for(var/atom/location as anything in old_locs)
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unblock_loc(location, target.explosion_block)
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else if(old_loc)
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unblock_loc(old_loc, target.explosion_block)
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if(length(target.locs) > 1)
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for(var/atom/location as anything in target.locs)
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block_loc(location, target.explosion_block)
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else if(target.loc)
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block_loc(target.loc, target.explosion_block)
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