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9a594755f3
* Renames delta time to be a more obvious name * updates to our code --------- Co-authored-by: oranges <email@oranges.net.nz> Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>
66 lines
2.3 KiB
Plaintext
66 lines
2.3 KiB
Plaintext
/**
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* ### A fertile egg component!
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*
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* This component tracks over time if the atom is in ideal conditions,
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* and eventually hatches into the embryonic type.
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*
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* The initial design of this component was to make more generic the code for
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* chickens laying eggs.
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*/
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/datum/component/fertile_egg
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/// What will come out of the egg when it's done.
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var/embryo_type
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/// Minimum growth rate per tick
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var/minimum_growth_rate
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/// Maximum growth rate per tick
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var/maximum_growth_rate
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/// Total growth required before hatching.
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var/total_growth_required
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/// The current amount of growth.
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var/current_growth
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/// List of locations which, if set, the egg will only develop if in those locations.
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var/list/location_allowlist
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/// If true, being in an unsuitable location spoils the egg (ie. kills the component). If false, it just pauses the egg's development.
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var/spoilable
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/datum/component/fertile_egg/Initialize(embryo_type, minimum_growth_rate, maximum_growth_rate, total_growth_required, current_growth, location_allowlist, spoilable, examine_message)
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// Quite how an _area_ can be a fertile egg is an open question, but it still has a location. Technically.
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if(!isatom(parent))
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return COMPONENT_INCOMPATIBLE
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src.embryo_type = embryo_type
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src.minimum_growth_rate = minimum_growth_rate
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src.maximum_growth_rate = maximum_growth_rate
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src.total_growth_required = total_growth_required
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src.current_growth = current_growth
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src.location_allowlist = location_allowlist
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src.spoilable = spoilable
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START_PROCESSING(SSobj, src)
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/datum/component/fertile_egg/Destroy()
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STOP_PROCESSING(SSobj, src)
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. = ..()
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/datum/component/fertile_egg/process(seconds_per_tick)
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var/atom/parent_atom = parent
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if(location_allowlist && !is_type_in_typecache(parent_atom.loc, location_allowlist))
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// In a zone that is not allowed, do nothing, and possibly self destruct
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if(spoilable)
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qdel(src)
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return
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current_growth += rand(minimum_growth_rate, maximum_growth_rate) * seconds_per_tick
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if(current_growth >= total_growth_required)
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parent_atom.visible_message(span_notice("[parent] hatches with a quiet cracking sound."))
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new embryo_type(get_turf(parent_atom))
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// We destroy the parent on hatch, which will destroy the component as well, which will stop us processing.
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qdel(parent_atom)
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