mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2025-12-10 10:12:45 +00:00
112 lines
2.3 KiB
Plaintext
112 lines
2.3 KiB
Plaintext
/atom
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var/light_power = 1 // intensity of the light
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var/light_range = 0 // range in tiles of the light
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var/light_color // Hexadecimal RGB string representing the colour of the light
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var/datum/light_source/light
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var/list/light_sources
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// Nonsensical value for l_color default, so we can detect if it gets set to null.
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#define NONSENSICAL_VALUE -99999
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/atom/proc/set_light(l_range, l_power, l_color = NONSENSICAL_VALUE)
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. = 0 //make it less costly if nothing's changed
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if(l_power != null && l_power != light_power)
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light_power = l_power
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. = 1
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if(l_range != null && l_range != light_range)
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light_range = l_range
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. = 1
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if(l_color != NONSENSICAL_VALUE && l_color != light_color)
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light_color = l_color
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. = 1
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if(.) update_light()
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#undef NONSENSICAL_VALUE
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/atom/proc/update_light()
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set waitfor = FALSE
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if(!light_power || !light_range)
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if(light)
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light.destroy()
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light = null
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else
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if(!istype(loc, /atom/movable))
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. = src
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else
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. = loc
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if(light)
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light.update(.)
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else
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light = new /datum/light_source(src, .)
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/atom/New()
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. = ..()
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if(light_power && light_range)
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update_light()
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if(opacity && isturf(loc))
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var/turf/T = loc
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T.has_opaque_atom = TRUE // No need to recalculate it in this case, it's guranteed to be on afterwards anyways.
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/atom/Destroy()
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if(light)
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light.destroy()
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light = null
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return ..()
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/atom/movable/Destroy()
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var/turf/T = loc
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if(opacity && istype(T))
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T.reconsider_lights()
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return ..()
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/atom/movable/Move()
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var/turf/old_loc = loc
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. = ..()
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if(loc != old_loc)
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for(var/datum/light_source/L in light_sources)
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L.source_atom.update_light()
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var/turf/new_loc = loc
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if(istype(old_loc) && opacity)
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old_loc.reconsider_lights()
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if(istype(new_loc) && opacity)
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new_loc.reconsider_lights()
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/atom/proc/set_opacity(new_opacity)
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if(new_opacity == opacity)
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return
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opacity = new_opacity
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var/turf/T = isturf(src) ? src : loc
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if(!isturf(T))
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return
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if(new_opacity == TRUE)
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T.has_opaque_atom = TRUE
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T.reconsider_lights()
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else
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var/old_has_opaque_atom = T.has_opaque_atom
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T.recalc_atom_opacity()
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if(old_has_opaque_atom != T.has_opaque_atom)
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T.reconsider_lights()
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/obj/item/equipped()
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. = ..()
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update_light()
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/obj/item/pickup()
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. = ..()
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update_light()
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/obj/item/dropped()
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. = ..()
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update_light()
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