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https://github.com/CHOMPStation2/CHOMPStation2.git
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667c3c4c13
Co-authored-by: Selis <12716288+ItsSelis@users.noreply.github.com> Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>
90 lines
3.2 KiB
Plaintext
90 lines
3.2 KiB
Plaintext
SUBSYSTEM_DEF(vis_overlays)
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name = "Vis contents overlays"
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wait = 1 MINUTES
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priority = FIRE_PRIORITY_VIS
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init_order = INIT_ORDER_VIS
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var/list/vis_overlay_cache
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var/list/currentrun
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/datum/controller/subsystem/vis_overlays/Initialize()
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vis_overlay_cache = list()
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return SS_INIT_SUCCESS
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/datum/controller/subsystem/vis_overlays/fire(resumed = FALSE)
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if(!resumed)
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currentrun = vis_overlay_cache.Copy()
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var/list/current_run = currentrun
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while(current_run.len)
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var/key = current_run[current_run.len]
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var/obj/effect/overlay/vis/overlay = current_run[key]
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current_run.len--
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if(!overlay.unused && !length(overlay.vis_locs))
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overlay.unused = world.time
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else if(overlay.unused && overlay.unused + overlay.cache_expiration < world.time)
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vis_overlay_cache -= key
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qdel(overlay)
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if(MC_TICK_CHECK)
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return
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//the "thing" var can be anything with vis_contents which includes images - in the future someone should totally allow vis overlays to be passed in as an arg instead of all this bullshit
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/datum/controller/subsystem/vis_overlays/proc/add_vis_overlay(atom/movable/thing, icon, iconstate, layer, plane, dir, alpha = 255, add_appearance_flags = NONE, add_vis_flags = NONE, unique = FALSE)
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var/obj/effect/overlay/vis/overlay
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if(!unique)
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. = "[icon]|[iconstate]|[layer]|[plane]|[dir]|[alpha]|[add_appearance_flags]"
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overlay = vis_overlay_cache[.]
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if(!overlay)
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overlay = _create_new_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags, add_vis_flags)
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vis_overlay_cache[.] = overlay
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else
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overlay.unused = 0
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else
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overlay = _create_new_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags, add_vis_flags)
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overlay.cache_expiration = -1
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var/cache_id = "\ref[overlay]@{[world.time]}"
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vis_overlay_cache[cache_id] = overlay
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. = overlay
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thing.vis_contents += overlay
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if(!isatom(thing))
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return overlay
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if(!thing.managed_vis_overlays)
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thing.managed_vis_overlays = list(overlay)
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else
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thing.managed_vis_overlays += overlay
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return overlay
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/datum/controller/subsystem/vis_overlays/proc/_create_new_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags, add_vis_flags)
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var/obj/effect/overlay/vis/overlay = new
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overlay.icon = icon
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overlay.icon_state = iconstate
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overlay.layer = layer
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overlay.plane = plane
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overlay.dir = dir
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overlay.alpha = alpha
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overlay.appearance_flags |= add_appearance_flags
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overlay.vis_flags |= add_vis_flags
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return overlay
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/datum/controller/subsystem/vis_overlays/proc/remove_vis_overlay(atom/movable/thing, list/overlays)
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thing.vis_contents -= overlays
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if(!isatom(thing))
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return
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thing.managed_vis_overlays -= overlays
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if(!length(thing.managed_vis_overlays))
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thing.managed_vis_overlays = null
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/atom/proc/add_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags, add_vis_flags = VIS_INHERIT_ID, unique)
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// The extremely minimal version where you just pass a string and nothing else
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if(istext(icon))
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iconstate = icon
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icon = src.icon
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return SSvis_overlays.add_vis_overlay(src, icon, iconstate, layer, plane, dir, alpha, add_appearance_flags, add_vis_flags, unique)
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/atom/proc/remove_vis_overlay(list/overlays)
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return SSvis_overlays.remove_vis_overlay(src, overlays)
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