mirror of
https://github.com/SPLURT-Station/S.P.L.U.R.T-Station-13.git
synced 2025-12-12 10:53:57 +00:00
76 lines
3.0 KiB
Plaintext
76 lines
3.0 KiB
Plaintext
/datum/element/turf_z_transparency
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var/show_bottom_level = FALSE
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///This proc sets up the signals to handle updating viscontents when turfs above/below update. Handle plane and layer here too so that they don't cover other obs/turfs in Dream Maker
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/datum/element/turf_z_transparency/Attach(datum/target, show_bottom_level = TRUE)
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. = ..()
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if(!isturf(target))
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return ELEMENT_INCOMPATIBLE
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var/turf/our_turf = target
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src.show_bottom_level = show_bottom_level
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our_turf.plane = OPENSPACE_PLANE
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our_turf.layer = OPENSPACE_LAYER
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RegisterSignal(target, COMSIG_TURF_MULTIZ_DEL, .proc/on_multiz_turf_del)
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RegisterSignal(target, COMSIG_TURF_MULTIZ_NEW, .proc/on_multiz_turf_new)
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ADD_TRAIT(our_turf, TURF_Z_TRANSPARENT_TRAIT, TURF_TRAIT)
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update_multiz(our_turf, TRUE, TRUE)
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/datum/element/turf_z_transparency/Detach(datum/source, force)
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. = ..()
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var/turf/our_turf = source
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our_turf.vis_contents.len = 0
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REMOVE_TRAIT(our_turf, TURF_Z_TRANSPARENT_TRAIT, TURF_TRAIT)
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///Updates the viscontents or underlays below this tile.
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/datum/element/turf_z_transparency/proc/update_multiz(turf/our_turf, prune_on_fail = FALSE, init = FALSE)
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var/turf/below_turf = our_turf.below()
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if(!below_turf)
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our_turf.vis_contents.len = 0
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if(!show_bottom_level(our_turf) && prune_on_fail) //If we cant show whats below, and we prune on fail, change the turf to plating as a fallback
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our_turf.ChangeTurf(/turf/open/floor/plating, flags = CHANGETURF_INHERIT_AIR)
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return FALSE
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if(init)
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our_turf.vis_contents += below_turf
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if(isclosedturf(our_turf)) //Show girders below closed turfs
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var/mutable_appearance/girder_underlay = mutable_appearance('icons/obj/structures.dmi', "girder", layer = TURF_LAYER-0.01)
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girder_underlay.appearance_flags = RESET_ALPHA | RESET_COLOR
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our_turf.underlays += girder_underlay
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var/mutable_appearance/plating_underlay = mutable_appearance('icons/turf/floors.dmi', "plating", layer = TURF_LAYER-0.02)
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plating_underlay = RESET_ALPHA | RESET_COLOR
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our_turf.underlays += plating_underlay
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return TRUE
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/datum/element/turf_z_transparency/proc/on_multiz_turf_del(turf/our_turf, turf/T, dir)
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SIGNAL_HANDLER
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if(dir != DOWN)
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return
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update_multiz(our_turf)
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/datum/element/turf_z_transparency/proc/on_multiz_turf_new(turf/our_turf, turf/T, dir)
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SIGNAL_HANDLER
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if(dir != DOWN)
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return
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update_multiz(our_turf)
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///Called when there is no real turf below this turf
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/datum/element/turf_z_transparency/proc/show_bottom_level(turf/our_turf)
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if(!show_bottom_level)
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return FALSE
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var/turf/path = SSmapping.level_trait(our_turf.z, ZTRAIT_BASETURF) || /turf/open/space
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if(!ispath(path))
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path = text2path(path)
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if(!ispath(path))
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warning("Z-level [our_turf.z] has invalid baseturf '[SSmapping.level_trait(our_turf.z, ZTRAIT_BASETURF)]'")
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path = /turf/open/space
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var/mutable_appearance/underlay_appearance = mutable_appearance(initial(path.icon), initial(path.icon_state), layer = TURF_LAYER-0.02, plane = PLANE_SPACE)
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underlay_appearance.appearance_flags = RESET_ALPHA | RESET_COLOR
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our_turf.underlays += underlay_appearance
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return TRUE
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