Lavish Livestock (#1194)

Introduces the Lavish Livestock module which allows players to gain access to slightly larger versions of livestock via selective breeding.

---------

Co-authored-by: BPR <[email protected]>

Author: Bloo-dev

gm4_lavish_livestock/README.md

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+# Lavish Livestock<!--$headerTitle--><!--$pmc:delete-->
+
+Selectively breed your livestock for increased yields! Commercialize your farming!<!--$pmc:headerSize-->
+
+### Features
+- Breeding livestock may result in offspring that is abnormally large
+- Larger livestock drops more loot

gm4_lavish_livestock/beet.yaml

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+id: gm4_lavish_livestock
+name: Lavish Livestock
+version: 1.0.0
+
+data_pack:
+  load: .
+
+resource_pack:
+  load: .
+
+require:
+  - bolt
+
+pipeline:
+  - gm4_lavish_livestock.generate
+  - gm4.plugins.extend.module
+
+meta:
+  gm4:
+    versioning:
+      schedule_loops: []
+    website:
+      description: Selectively breed your livestock for increased yields! Commercialize your farming!
+      recommended:
+        - gm4_pig_tractors
+        - metallurgy
+    video: null
+    #modrinth: 
+    #  project_id: 
+    #smithed:
+    #  pack_id: 
+    #planetminecraft: 
+    #  uid: 
+    wiki: https://wiki.gm4.co/wiki/Lavish_Livestock
+    credits:
+      Creator:
+        - Bloo

gm4_lavish_livestock/data/gm4_lavish_livestock/function/init.mcfunction

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+execute unless score lavish_livestock gm4_modules matches 1 run data modify storage gm4:log queue append value {type:"install",module:"Lavish Livestock"}
+execute unless score lavish_livestock gm4_earliest_version < lavish_livestock gm4_modules run scoreboard players operation lavish_livestock gm4_earliest_version = lavish_livestock gm4_modules
+scoreboard players set lavish_livestock gm4_modules 1
+
+scoreboard objectives add gm4_lavish_livestock_size dummy
+
+#$moduleUpdateList

gm4_lavish_livestock/data/gm4_lavish_livestock/templates/advancement/breed.json

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+{
+    "criteria": {
+        "breed_pigs": {
+            "trigger": "minecraft:bred_animals",
+            "conditions": {
+                "child": {
+                    "type": "{{ entity_id }}"
+                }
+            }
+        }
+    },
+    "rewards": {
+        "function": "gm4_lavish_livestock:{{ entity_id }}/revoke_advancement"
+    }
+}

gm4_lavish_livestock/data/gm4_lavish_livestock/templates/function/determine_parent.mcfunction

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+# Stores the size of each parent into a score
+# @s = parent of the baby
+# at location of player who has fed the parent
+# run from gm4_lavish_livestock:{{ entity_id }}/revoke_advancement
+
+# init score if parent does not have a score
+scoreboard players add @s gm4_lavish_livestock_size 0
+
+# store size of parent into fixed fake player (only one of these triggers, the other one triggers for the other parent)
+execute unless score $parent_a gm4_lavish_livestock_size matches -2147483648..2147483647 run return run scoreboard players operation $parent_a gm4_lavish_livestock_size = @s gm4_lavish_livestock_size
+execute unless score $parent_b gm4_lavish_livestock_size matches -2147483648..2147483647 run return run scoreboard players operation $parent_b gm4_lavish_livestock_size = @s gm4_lavish_livestock_size

gm4_lavish_livestock/data/gm4_lavish_livestock/templates/function/find_baby.mcfunction

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+# Selects babies near the breeding site
+# @s = breeding site
+# at @s
+# run from gm4_lavish_livestock:{{ entity_id }}/find_marker
+
+# cache parent size
+scoreboard players reset $size gm4_lavish_livestock_size
+scoreboard players operation $size gm4_lavish_livestock_size = @s gm4_lavish_livestock_size
+execute as @e[type={{ entity_id }},distance=..10,nbt={Age:-24000},limit=1,sort=nearest] run function gm4_lavish_livestock:{{ entity_id }}/modify_baby
+
+# remove breeding site marker
+kill @s

gm4_lavish_livestock/data/gm4_lavish_livestock/templates/function/find_marker.mcfunction

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+# Called once the parent has given birth and initiates breeding sites to look for babies.
+# @s = undefined
+# at undefined
+# scheduled from gm4_lavish_livestock:{{ entity_id }}/revoke_advancement
+
+execute as @e[type=marker,tag=gm4_lavish_livestock_breeding_site,tag=gm4_lavish_livestock_{{ entity_id }}] at @s run function gm4_lavish_livestock:{{ entity_id }}/find_baby

gm4_lavish_livestock/data/gm4_lavish_livestock/templates/function/initialize_marker.mcfunction

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+# Initializes the breeding site marker which sticks around awaiting birth
+# @s = new breeding site marker
+# at location of player who has fed the parent
+# run from gm4_lavish_livestock:{{ entity_id }}/determine_parent
+
+scoreboard players operation @s gm4_lavish_livestock_size = $parent_a gm4_lavish_livestock_size
+tag @s add gm4_lavish_livestock_breeding_site
+tag @s add gm4_lavish_livestock_{{ entity_id }}

gm4_lavish_livestock/data/gm4_lavish_livestock/templates/function/modify_baby.mcfunction

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+# Sets the size of the newborn baby
+# @s = the newborn baby
+# at location of breeding site marker
+# run from gm4_lavish_livestock:{{ entity_id }}/find_baby
+
+# get baby size from marker value
+scoreboard players operation @s gm4_lavish_livestock_size = $size gm4_lavish_livestock_size
+
+# if non-vanilla size: add loot table and tag entity (tag is for future-proofing only, it is not currently read)
+execute if score @s gm4_lavish_livestock_size matches 1.. run tag @s add gm4_lavish_livestock_{{ entity_id }}
+execute if score @s gm4_lavish_livestock_size matches 1.. run data modify entity @s DeathLootTable set value "gm4_lavish_livestock:{{ entity_id }}/lavish_death"
+
+# set scale attribute
+execute if score @s gm4_lavish_livestock_size matches 1 run attribute @s minecraft:scale modifier add gm4_lavish_livestock:size 0.125 add_multiplied_base
+execute if score @s gm4_lavish_livestock_size matches 2 run attribute @s minecraft:scale modifier add gm4_lavish_livestock:size 0.25 add_multiplied_base

gm4_lavish_livestock/data/gm4_lavish_livestock/templates/function/revoke_advancement.mcfunction

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+# Revokes the breeding advancement and initiates baby tracking
+# @s = player who bred livestock
+# at @s
+# run from advancement gm4_lavish_livestock:{{ entity_id }}/breed
+
+advancement revoke @s only gm4_lavish_livestock:{{ entity_id }}/breed
+
+# get parent sizes
+scoreboard players reset $parent_a gm4_lavish_livestock_size
+scoreboard players reset $parent_b gm4_lavish_livestock_size
+execute as @e[type={{ entity_id }},distance=..10,limit=2,sort=nearest,nbt=!{InLove:0}] run function gm4_lavish_livestock:{{ entity_id }}/determine_parent
+
+# if the parents differ in size, chose the smaller one
+execute if score $parent_a gm4_lavish_livestock_size > $parent_b gm4_lavish_livestock_size run scoreboard players operation $parent_a gm4_lavish_livestock_size >< $parent_b gm4_lavish_livestock_size
+
+# if both parents are the same size, roll dice for size increase
+execute if score $parent_a gm4_lavish_livestock_size = $parent_b gm4_lavish_livestock_size if predicate {condition:"minecraft:random_chance",chance:0.025} run scoreboard players add $parent_a gm4_lavish_livestock_size 1
+
+# store size onto marker and wait for baby to be born
+execute summon marker run function gm4_lavish_livestock:{{ entity_id }}/initialize_marker
+schedule function gm4_lavish_livestock:{{ entity_id }}/find_marker 1t