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3889abbaf4
* New mod mcl_bone_meal, replacing bone meal functionality previously held in mcl_dye. * Improve bonemealing API using callbacks in the nodes that support bonemealing. * Rename bone meal item to `"mcl_bone_meal:bone_meal"` and updated its crafting recipe. * Implement legacy compatibility for older bone meal API. * Remove all non dye-related bone meal code, texture and translations from mcl_dye. * Add legacy compatibility shims to mcl_dye that refer to mcl_bone_meal. * Add an alias for "mcl_dye:white" to keep mcl_dye and its API working uniterrupted. * Update mod depends in mcl_dye mod.conf.
54 lines
2.1 KiB
Markdown
54 lines
2.1 KiB
Markdown
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# Bone meal API
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Bonemealing callbacks and particle functions.
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## _mcl_on_bonemealing(pointed_thing, placer)
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The bone meal API provides a callback definition that nodes can use to
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register a handler that is executed when a bone meal item is used on it.
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Nodes that wish to use the bone meal API should in their node registration
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define a callback handler named `_mcl_on_bonemealing`. This handler is a
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`function(pointed_thing, placer)`
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Its arguments are:
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* `pointed_thing`: exact pointing location (see Minetest API), where the
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bone meal is applied
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* `placer`: ObjectRef of the player who aplied the bone meal, can be nil!
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The function should return `true` if the bonemealing was succesful.
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It is for all intents and purposes up to the callback defined in the node to
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decide how to handle the effect that bone meal has on that particular node.
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The `on_place` code in the bone meal item will spawn bone meal particles and
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decrease the bone meal itemstack if the handler returned `true` and the
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`placer` is not in creative mode.
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## mcl_bone_meal.add_bone_meal_particle(pos, def)
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Spawns standard or custom bone meal particles.
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* `pos`: position, is ignored if you define def.minpos and def.maxpos
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* `def`: (optional) particle definition; see minetest.add_particlespawner()
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for more details.
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# Legacy API
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The bone meal API also provides a legacy compatibility function. This
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function is not meant to be continued and callers should migrate to the
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newer bonemealing API.
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## mcl_bone_meal.register_on_bone_meal_apply(function(pointed_thing, placer))
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Called when the bone meal is applied anywhere.
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* `pointed_thing`: exact pointing location (see Minetest API), where the
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bone meal is applied
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* `placer`: ObjectRef of the player who aplied the bone meal, can be nil!
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This function is deprecated and will be removed at some time in the future.
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## mcl_dye.add_bone_meal_particle(pos, def)
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## mcl_dye.register_on_bone_meal_apply(function(pointed_thing, user))
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These shims in mcl_dye that point to corresponding legacy compatibility
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functions in mcl_bone_meal remain for legacy callers that have not yet been
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updated to the new API. These shims will be removed at some time in the
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future.
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