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https://github.com/Aurorastation/Aurora.3.git
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67360a9bea
* Atmospheric probes will now relay changes in weather when deployed. Analog radios can be tuned into the weather broadcast and receive it, provided they're in the same sector / connected z-levels. * Fixed weather transitions to rainy / icy weather not working. * Changed rainy / icy weather to have a blue color, reducing eye strain.   
128 lines
4.6 KiB
Plaintext
128 lines
4.6 KiB
Plaintext
/*
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* Notes on weather:
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*
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* - Weather is a single object that sits in the vis_contents of all outside turfs on
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* its associated z-levels and is removed or added by /turf/proc/update_weather(),
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* which is usually called from /turf/proc/set_outside().
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*
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* - Weather generally assumes any atom that cares about it will ask it directly and
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* mobs do this in /mob/living/proc/handle_environment().
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*
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* - For this system to be scalable, it should minimize the amount of list-based
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* processing it does and be primarily passive, allowing mobs to ignore it or
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* poll it on their own time.
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*
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* - The weather object is queued on SSweather and is polled every fifteen seconds at time
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* of writing. This is handled in /obj/abstract/weather_system/proc/tick().
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*
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* - When evaluating, weather will generally get more intense or more severe rather than
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* jumping around randomly. Each state will set a minimum duration based on min/max time.
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*
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* - If polled between weather updates there is a chance of modifying wind speed and direction
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* instead.
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*/
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/obj/abstract/weather_system
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plane = DEFAULT_PLANE
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layer = ABOVE_PROJECTILE_LAYER
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icon = 'icons/effects/weather.dmi'
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icon_state = "blank"
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invisibility = 0
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appearance_flags = (RESET_COLOR | RESET_ALPHA | RESET_TRANSFORM)
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// Temporarily removing these, we do not have the same material system as Nebula
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// /// Material to use for the properties of rain.
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// var/water_material = null
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// /// Material to use for the properties of snow and hail.
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// var/ice_material = null
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/// Whether this weather system supports having watery weather
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var/has_water_weather = FALSE
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/// Whether this weather system supports having icy weather
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var/has_icy_weather = FALSE
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/// What z-levels are we affecting?
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var/list/affecting_zs
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/// What is our internal state and how do we decide what state to use?
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var/datum/state_machine/weather/weather_system
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/// What world.time will we next evaluate our state?
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var/next_weather_transition = 0
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/// We've evaluated a new weather pattern and we're in the process of transitioning to it
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var/transitioning_weather = FALSE
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/// A visible atom used for animated lighting effects.
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var/obj/abstract/lightning_overlay/lightning_overlay
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/// Holder for a list used to add required atoms to turf vis_contents.
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var/tmp/list/vis_contents_additions
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// Main heartbeat proc, called by SSweather.
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/obj/abstract/weather_system/proc/tick()
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// Check if we should move to a new state.
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if(world.time >= next_weather_transition && !transitioning_weather)
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weather_system.evaluate()
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// Change wind direction and speed.
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handle_wind()
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// Handle periodic effects for ticks (like lightning)
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var/singleton/state/weather/rain/weather_state = weather_system.current_state
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if(istype(weather_state))
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weather_state.tick(src)
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/obj/abstract/weather_system/Destroy()
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// Clean ourselves out of the vis_contents of our affected turfs.
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for(var/tz in affecting_zs)
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for(var/turf/T as anything in block(locate(1, 1, tz), locate(world.maxx, world.maxy, tz)))
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if(T.weather == src)
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T.remove_vis_contents(vis_contents_additions)
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T.weather = null
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vis_contents_additions.Cut()
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SSweather.unregister_weather_system(src)
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QDEL_NULL(lightning_overlay)
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. = ..()
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// Called by /turf/examine() to show current weather status.
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/obj/abstract/weather_system/examine(mob/user, distance, is_adjacent, infix, suffix, show_extended)
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SHOULD_CALL_PARENT(FALSE)
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var/singleton/state/weather/weather_state = weather_system.current_state
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if(istype(weather_state))
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to_chat(user, weather_state.descriptor)
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show_wind(user, force = TRUE)
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// Called by /singleton/state/weather to assess validity of a state in the weather FSM.
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/obj/abstract/weather_system/proc/supports_weather_state(var/singleton/state/weather/next_state)
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// Exoplanet stuff for the future:
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// - TODO: track and check exoplanet temperature.
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// - TODO: compare to a list of 'acceptable' states
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if(istype(next_state))
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// Temporarily removing these, we do not have the same material system as Nebula
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// if(next_state.is_liquid)
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// return !!water_material
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// if(next_state.is_ice)
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// return !!ice_material
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if(next_state.is_liquid)
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return has_water_weather
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if(next_state.is_ice)
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return has_icy_weather
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return TRUE
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return FALSE
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// Dummy object for lightning flash animation.
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/obj/abstract/lightning_overlay
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plane = EFFECTS_ABOVE_LIGHTING_PLANE //Future EMISSIVE_PLANE
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layer = LIGHTNING_LAYER
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icon = 'icons/effects/weather.dmi'
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icon_state = "full"
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alpha = 0
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invisibility = 0
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