diff --git a/gm4_horsemanship/README.md b/gm4_horsemanship/README.md
new file mode 100644
index 0000000000..224b45232c
--- /dev/null
+++ b/gm4_horsemanship/README.md
@@ -0,0 +1,9 @@
+# Shapeless Portals<!--$headerTitle--><!--$pmc:delete-->
+
+TODO!<!--$pmc:headerSize-->
+
+<img src="images/shapeless_portals.png" alt="There is 1 portal among us" height="350"/> <!--$localAssetToURL--> <!--$modrinth:replaceWithVideo--> <!--$pmc:delete-->
+
+### Features
+- Light portals of any shape with Flint and Steel or Fire Charges.
+- Portals can use Crying Obsidian.
diff --git a/gm4_horsemanship/beet.yaml b/gm4_horsemanship/beet.yaml
new file mode 100644
index 0000000000..7d94f5ecbb
--- /dev/null
+++ b/gm4_horsemanship/beet.yaml
@@ -0,0 +1,28 @@
+id: gm4_horsemanship
+name: Horsemanship
+version: 1.0.X
+
+data_pack:
+  load: .
+
+pipeline:
+  - gm4.plugins.extend.module
+  - gm4.plugins.include.lib_forceload
+
+meta:
+  gm4:
+    versioning:
+      required:
+        lib_forceload: 1.1.0
+      schedule_loops:
+      - main
+      - tick
+    website:
+      description: Form a bond with your horses
+      recommended: []
+      notes: []
+    video: null
+    wiki: https://wiki.gm4.co/wiki/Horsemanship
+    credits:
+      Creator:
+        - Thanathor
diff --git a/gm4_horsemanship/data/gm4_horsemanship/advancement/feed_horse.json b/gm4_horsemanship/data/gm4_horsemanship/advancement/feed_horse.json
new file mode 100644
index 0000000000..10a03aee3d
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/advancement/feed_horse.json
@@ -0,0 +1,165 @@
+{
+  "criteria": {
+    "apple": {
+      "trigger": "minecraft:player_interacted_with_entity",
+      "conditions": {
+        "player": [],
+        "item": {
+          "items": [
+            "minecraft:apple"
+          ]
+        },
+        "entity": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "type": "#gm4_horsemanship:trainable",
+              "nbt": "{Tags:[\"gm4_horse\"]}"
+            }
+          }
+        ]
+      }
+    },
+    "golden_apple": {
+      "trigger": "minecraft:player_interacted_with_entity",
+      "conditions": {
+        "player": [],
+        "item": {
+          "items": [
+            "minecraft:golden_apple"
+          ]
+        },
+        "entity": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "type": "#gm4_horsemanship:trainable",
+              "nbt": "{Tags:[\"gm4_horse\"]}"
+            }
+          }
+        ]
+      }
+    },
+    "enchanted_golden_apple": {
+      "trigger": "minecraft:player_interacted_with_entity",
+      "conditions": {
+        "player": [],
+        "item": {
+          "items": [
+            "minecraft:enchanted_golden_apple"
+          ]
+        },
+        "entity": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "type": "#gm4_horsemanship:trainable",
+              "nbt": "{Tags:[\"gm4_horse\"]}"
+            }
+          }
+        ]
+      }
+    },
+    "golden_carrot": {
+      "trigger": "minecraft:player_interacted_with_entity",
+      "conditions": {
+        "player": [],
+        "item": {
+          "items": [
+            "minecraft:golden_carrot"
+          ]
+        },
+        "entity": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "type": "#gm4_horsemanship:trainable",
+              "nbt": "{Tags:[\"gm4_horse\"]}"
+            }
+          }
+        ]
+      }
+    },
+    "sugar": {
+      "trigger": "minecraft:player_interacted_with_entity",
+      "conditions": {
+        "player": [],
+        "item": {
+          "items": [
+            "minecraft:sugar"
+          ]
+        },
+        "entity": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "type": "#gm4_horsemanship:trainable",
+              "nbt": "{Tags:[\"gm4_horse\"]}"
+            }
+          }
+        ]
+      }
+    },
+    "wheat": {
+      "trigger": "minecraft:player_interacted_with_entity",
+      "conditions": {
+        "player": [],
+        "item": {
+          "items": [
+            "minecraft:wheat"
+          ]
+        },
+        "entity": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "type": "#gm4_horsemanship:trainable",
+              "nbt": "{Tags:[\"gm4_horse\"]}"
+            }
+          }
+        ]
+      }
+    },
+    "hay_block": {
+      "trigger": "minecraft:player_interacted_with_entity",
+      "conditions": {
+        "player": [],
+        "item": {
+          "items": [
+            "minecraft:hay_block"
+          ]
+        },
+        "entity": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "type": "#gm4_horsemanship:trainable",
+              "nbt": "{Tags:[\"gm4_horse\"]}"
+            }
+          }
+        ]
+      }
+    }
+  },
+  "requirements": [
+    [
+      "apple",
+      "golden_apple",
+      "enchanted_golden_apple",
+      "golden_carrot",
+      "sugar",
+      "wheat",
+      "hay_block"
+    ]
+  ],
+  "rewards": {
+    "function": "gm4_horsemanship:need/food/feed_original_food"
+  }
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/advancement/start_riding_horse.json b/gm4_horsemanship/data/gm4_horsemanship/advancement/start_riding_horse.json
new file mode 100644
index 0000000000..e1aa5708e5
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/advancement/start_riding_horse.json
@@ -0,0 +1,24 @@
+{
+  "criteria": {
+    "requirement": {
+      "trigger": "minecraft:started_riding",
+      "conditions": {
+        "player": [
+          {
+            "condition": "minecraft:entity_properties",
+            "entity": "this",
+            "predicate": {
+              "vehicle": {
+                "type": "#gm4_horsemanship:trainable",
+                "nbt": "{Tags:[\"gm4_horse\"]}"
+              }
+            }
+          }
+        ]
+      }
+    }
+  },
+  "rewards": {
+    "function": "gm4_horsemanship:horse_processing/start_riding_horse"
+  }
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/advancement/tame_horse.json b/gm4_horsemanship/data/gm4_horsemanship/advancement/tame_horse.json
new file mode 100644
index 0000000000..325674e490
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/advancement/tame_horse.json
@@ -0,0 +1,21 @@
+{
+    "criteria": {
+        "requirement": {
+            "trigger": "minecraft:tame_animal",
+            "conditions": {
+                "entity": [
+                    {
+                        "condition": "minecraft:entity_properties",
+                        "entity": "this",
+                        "predicate": {
+                            "type": "#gm4_horsemanship:trainable"
+                        }
+                    }
+                ]
+            }
+        }
+    },
+    "rewards": {
+        "function": "gm4_horsemanship:horse_processing/tame_horse"
+    }
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/dev.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/dev.mcfunction
new file mode 100644
index 0000000000..9b78b9376e
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/dev.mcfunction
@@ -0,0 +1,10 @@
+
+tellraw @s "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
+
+tellraw @s "-= HORSE STAT TRACKER =-"
+tellraw @s {text:"click here to disable",color:"red","click_event":{action:"run_command",command:"tag @s remove gm4_horse_dev"}}
+tellraw @s ""
+tellraw @s {text:"Tracked Horse: ",color:"red","click_event":{action:"run_command",command:"tag @s remove gm4_horse_dev"}}
+
+
+execute as @e[type=#gm4_horsemanship:trainable,limit=1,sort=nearest] run return 0
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/dev/log.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/dev/log.mcfunction
new file mode 100644
index 0000000000..88153db6b7
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/dev/log.mcfunction
@@ -0,0 +1,32 @@
+
+
+tellraw @p "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
+
+tellraw @p [{text:"| Tracked Horse: "},{selector:"@s"}]
+tellraw @p [{text:"Stamina: ","color":"gray"},{"score":{"name":"@s","objective":"gm4_horse_need.stamina"},"color":"white"},{text:"/"},{"score":{"name":"@s","objective":"gm4_horse.stamina_cap"}}]
+
+tellraw @p ""
+
+scoreboard players set $potential_loss.mult gm4_horse_data 1
+execute unless score @s gm4_horse_need.brushing matches 50.. run scoreboard players add $potential_loss.mult gm4_horse_data 1
+execute if entity @s[tag=gm4_horse.tired] run scoreboard players add $potential_loss.mult gm4_horse_data 1
+execute unless score @s gm4_horse_need.graze matches 1.. run scoreboard players add $potential_loss.mult gm4_horse_data 1
+
+scoreboard players operation $xp_conversion gm4_horse_data = @s gm4_horse_potential.realized
+scoreboard players operation $xp_conversion gm4_horse_data /= @s gm4_horse_potential.total
+
+tellraw @p [{text:"Level: ","color":"gray"},{"score":{"name":"@s","objective":"gm4_horse_level"},"color":"white"},\
+{text:" XP: "},{"score":{"name":"@s","objective":"gm4_horse_experience"},"color":"white"},\
+{text:" Potential: "},{"score":{"name":"@s","objective":"gm4_horse_potential.total"},"color":"white"},{text:"/1125 | "},{"score":{"name":"@s","objective":"gm4_horse_potential.realized"},"color":"white"},\
+{"text":" (","color":"dark_gray"},{"score":{"name":"@s","objective":"gm4_horse_comfort"},"color":"dark_gray"},{"text":"% | ","color":"dark_gray"},{"score":{"name":"$potential_loss.mult","objective":"gm4_horse_data"},"color":"dark_gray"},{"text":"x | ","color":"dark_gray"},{"score":{"name":"$xp_conversion","objective":"gm4_horse_data"},"color":"dark_gray"},{"text":")","color":"dark_gray"}\
+]
+
+
+tellraw @p ""
+
+tellraw @p [{text:"Graze: ","color":"gray"},{"score":{"name":"@s","objective":"gm4_horse_need.graze"},"color":"white"},\
+{text:"/2160 | Brush: "},{"score":{"name":"@s","objective":"gm4_horse_need.brushing"},"color":"white"},\
+{text:"/1500 | On Leash: "},{"score":{"name":"@s","objective":"gm4_horse_need.on_leash"},"color":"white"},\
+{text:"/1125 | Fed Treat: "},{"score":{"name":"@s","objective":"gm4_horse_need.fed_treat"},"color":"white"},\
+{text:"/15"},\
+]
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/cap_health.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/cap_health.mcfunction
new file mode 100644
index 0000000000..c0927a699b
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/cap_health.mcfunction
@@ -0,0 +1,12 @@
+# cap health just below the real max health
+# @s = gm4_horse
+# at @s
+# run from horse_processing/general
+
+
+execute store result score $max_health gm4_horse_data run attribute @s max_health get 100
+scoreboard players remove $max_health gm4_horse_data 101
+execute store result score $curr_health gm4_horse_data run data get entity @s Health 100
+execute if score $curr_health gm4_horse_data > $max_health gm4_horse_data store result entity @s Health float 0.01 run scoreboard players get $max_health gm4_horse_data
+
+tag @s remove gm4_horse.check_health
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/general.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/general.mcfunction
new file mode 100644
index 0000000000..c704c1e5c5
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/general.mcfunction
@@ -0,0 +1,130 @@
+# process gm4 horses, variants, donkeys and mules
+# @s = gm4_horse
+# at @s
+# run from main
+
+# check health for fed horses
+execute if entity @s[tag=gm4_horse.check_health] run function gm4_horsemanship:horse_processing/cap_health
+
+## | Health Status
+# health should always be slightly below max, to allow for feeding the horse at any time
+execute store result score $max_health gm4_horse_data run attribute @s max_health get 100
+scoreboard players remove $max_health gm4_horse_data 101
+execute store result score $curr_health gm4_horse_data run data get entity @s Health 100
+execute if score $curr_health gm4_horse_data > $max_health gm4_horse_data store result entity @s Health float 0.01 run scoreboard players get $max_health gm4_horse_data
+
+## | Riding Status
+# stores all relevant statuses of the horse in scores
+scoreboard players set $mounted gm4_horse_data 0
+scoreboard players set $riding gm4_horse_data 0
+execute store success score $mounted gm4_horse_data on controller if entity @s[type=player]
+execute if score $mounted gm4_horse_data matches 1 on controller if score @s gm4_horse_riding matches 1.. run scoreboard players set $riding gm4_horse_data 1
+execute store success score $saddled gm4_horse_data if data entity @s equipment.saddle
+execute store success score $on_leash gm4_horse_data if data entity @s leash.UUID
+execute store result score $on_ground gm4_horse_data run data get entity @s OnGround
+
+## | Stamina
+# cap of 75 - 450 depending on level
+# riding = -1
+# swimming = -1
+execute if score $riding gm4_horse_data matches 1 run scoreboard players remove @s[scores={gm4_horse_need.stamina=1..}] gm4_horse_need.stamina 1
+execute if entity @s[tag=gm4_horse.swimming] run scoreboard players remove @s[scores={gm4_horse_need.stamina=1..}] gm4_horse_need.stamina 1
+# mounted = +1
+# unmounted = +3 +level
+# on leash = +2*level
+execute if score $mounted gm4_horse_data matches 1 if score $on_ground gm4_horse_data matches 1 if score $riding gm4_horse_data matches 0 run scoreboard players add @s gm4_horse_need.stamina 1
+execute if score $mounted gm4_horse_data matches 0 if score $on_ground gm4_horse_data matches 1 run scoreboard players add @s gm4_horse_need.stamina 3
+execute if score $mounted gm4_horse_data matches 0 if score $on_ground gm4_horse_data matches 1 run scoreboard players operation @s gm4_horse_need.stamina += @s gm4_horse_level
+execute if score $on_leash gm4_horse_data matches 1 run scoreboard players operation @s gm4_horse_need.stamina += @s gm4_horse_level
+execute if score $on_leash gm4_horse_data matches 1 run scoreboard players operation @s gm4_horse_need.stamina += @s gm4_horse_level
+scoreboard players operation @s gm4_horse_need.stamina < @s gm4_horse.stamina_cap
+# tired
+execute if score @s[tag=!gm4_horse.tired] gm4_horse_need.stamina matches 0 run function gm4_horsemanship:riding/stamina/tired
+execute if entity @s[tag=gm4_horse.tired] run particle entity_effect{color:[0.290,0.259,0.090,0.75]} ~ ~1 ~ 0.5 0.5 0.5 1 4 normal
+execute if score @s[tag=gm4_horse.tired] gm4_horse_need.stamina matches 30.. run function gm4_horsemanship:riding/stamina/rested
+
+## | Grazing
+# cap of 1800
+# always = -1
+# riding = -2
+execute if score $riding gm4_horse_data matches 1 run scoreboard players remove @s[scores={gm4_horse_need.graze=2..}] gm4_horse_need.graze 2
+scoreboard players remove @s[scores={gm4_horse_need.graze=1..}] gm4_horse_need.graze 1
+# grazed = +360, or set to 1800 if on Hay Bale
+# if score >300 force grazing if not riding, or >850 if on Hay Bale and unmounted
+execute if score $on_ground gm4_horse_data matches 1 if score @s[tag=!gm4_horse.force_graze] gm4_horse_need.graze matches ..300 if score $riding gm4_horse_data matches 0 if block ~ ~-1 ~ grass_block if block ~ ~ ~ #gm4_horsemanship:can_eat_through run function gm4_horsemanship:need/graze/force
+execute if score $on_ground gm4_horse_data matches 1 if score @s[tag=!gm4_horse.force_graze] gm4_horse_need.graze matches ..950 if score $mounted gm4_horse_data matches 0 if block ~ ~-1 ~ hay_block if block ~ ~ ~ #gm4_horsemanship:can_eat_through run function gm4_horsemanship:need/graze/force
+execute if score $riding gm4_horse_data matches 1 if entity @s[nbt={EatingHaystack:1b}] run function gm4_horsemanship:need/graze/cancel
+# hungry
+execute if score @s gm4_horse_need.graze matches 0 run particle entity_effect{color:[0.345,0.463,0.325,0.75]} ~ ~1 ~ 0.5 0.5 0.5 1 4 normal
+
+## | Brushing
+# cap of 1500
+# saddled = -2
+# riding = -1
+# always = -1
+execute if score $saddled gm4_horse_data matches 1 run scoreboard players remove @s[scores={gm4_horse_need.brushing=2..}] gm4_horse_need.brushing 2
+execute if score $riding gm4_horse_data matches 1 run scoreboard players remove @s[scores={gm4_horse_need.brushing=1..}] gm4_horse_need.brushing 1
+scoreboard players remove @s[scores={gm4_horse_need.brushing=1..}] gm4_horse_need.brushing 1
+# brushed = +75 per tick (from advancement, only if brushing is 1450 or less)
+execute unless score @s gm4_horse_need.brushing matches 100.. run particle block{block_state:"dirt"} ~ ~1 ~ 0.4 0.3 0.4 0 1
+
+## | On Leash
+# cap of 1125
+# on leash = +75
+# not mounted = -1
+execute if score $on_leash gm4_horse_data matches 1 run scoreboard players add @s gm4_horse_need.on_leash 75
+scoreboard players operation @s gm4_horse_need.on_leash < $need_cap.on_leash gm4_horse_data
+execute if score $mounted gm4_horse_data matches 0 run scoreboard players remove @s[scores={gm4_horse_need.on_leash=1..}] gm4_horse_need.on_leash 1
+
+## | Fed Treat
+# cap of 15
+# fed a treat = set to 15
+# always = -1
+execute if score $riding gm4_horse_data matches 1 run scoreboard players remove @s[scores={gm4_horse_need.fed_treat=1..}] gm4_horse_need.fed_treat 1
+execute if score $on_leash gm4_horse_data matches 1 run scoreboard players remove @s[scores={gm4_horse_need.fed_treat=1..}] gm4_horse_need.fed_treat 1
+
+## | Comfort
+# 0 - 100%
+scoreboard players operation @s gm4_horse_comfort = @s gm4_horse_need.graze
+scoreboard players operation @s gm4_horse_comfort /= #2 gm4_horse_data
+scoreboard players operation @s gm4_horse_comfort < #1000 gm4_horse_data
+scoreboard players add @s gm4_horse_comfort 1500
+execute store result score $nearby_horses gm4_horse_data if entity @e[type=#gm4_horsemanship:trainable,distance=0.01..24,limit=10]
+scoreboard players operation $nearby_horses gm4_horse_data *= #100 gm4_horse_data
+scoreboard players operation @s gm4_horse_comfort += $nearby_horses gm4_horse_data
+execute if score @s gm4_horse_need.on_leash matches 1.. unless score $on_leash gm4_horse_data matches 1 run scoreboard players add @s gm4_horse_comfort 750
+execute if score @s gm4_horse_need.fed_treat matches 1.. run scoreboard players add @s gm4_horse_comfort 750
+scoreboard players operation @s gm4_horse_comfort /= #50 gm4_horse_data
+
+
+## || Potential & Level-Up
+# potential goes up when not riding
+scoreboard players set $potential_change gm4_horse_data 0
+execute if score $riding gm4_horse_data matches 0 unless score @s gm4_horse_potential.total matches 1125.. run scoreboard players set $potential_change gm4_horse_data 1
+execute if score $riding gm4_horse_data matches 1 if score @s gm4_horse_potential.total matches 1.. run scoreboard players set $potential_change gm4_horse_data -1
+
+# add comfort to realized potential when total potential goes up
+execute if score $potential_change gm4_horse_data matches 1 run scoreboard players operation @s gm4_horse_potential.realized += @s gm4_horse_comfort
+
+# potential loss multiplier is increased by
+# brush score below 50 = +1
+# horse is tired = +1
+# graze score is below 1 = +1
+# on leash is below 1000 = +1
+scoreboard players set $potential_loss.mult gm4_horse_data 1
+execute unless score @s gm4_horse_need.brushing matches 50.. run scoreboard players add $potential_loss.mult gm4_horse_data 1
+execute if entity @s[tag=gm4_horse.tired] run scoreboard players add $potential_loss.mult gm4_horse_data 1
+execute unless score @s gm4_horse_need.graze matches 1.. run scoreboard players add $potential_loss.mult gm4_horse_data 1
+execute unless score @s gm4_horse_need.on_leash matches 1000.. run scoreboard players add $potential_loss.mult gm4_horse_data 1
+
+# horse realized potential goes down 
+scoreboard players operation $potential_loss gm4_horse_data = @s gm4_horse_potential.realized
+scoreboard players operation $potential_loss gm4_horse_data /= @s gm4_horse_potential.total
+
+# horse realized potential goes down when riding, the base is subtracted from needed experience, then the multiplied amount is subtracted from realized potential
+execute if score $potential_change gm4_horse_data matches -1 run scoreboard players operation @s gm4_horse_experience -= $potential_loss gm4_horse_data
+scoreboard players operation $potential_loss gm4_horse_data *= $potential_loss.mult gm4_horse_data
+execute if score $potential_change gm4_horse_data matches -1 run scoreboard players operation @s gm4_horse_potential.realized -= $potential_loss gm4_horse_data
+execute if score @s[scores={gm4_horse_level=..14}] gm4_horse_experience matches ..0 run function gm4_horsemanship:level/level_up
+
+scoreboard players operation @s gm4_horse_potential.total += $potential_change gm4_horse_data
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/start_riding_horse.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/start_riding_horse.mcfunction
new file mode 100644
index 0000000000..58a8d955f4
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/start_riding_horse.mcfunction
@@ -0,0 +1,12 @@
+# process a player that just mounted a horse with gm4_horse tag (or equivalent)
+# @s = player riding the horse
+# at @s (before mounting)
+advancement revoke @s only gm4_horsemanship:start_riding_horse
+
+scoreboard players set $interaction_resolved gm4_horse_data 0
+
+# check for brushing
+execute if score $interaction_resolved gm4_horse_data matches 0 if predicate gm4_horsemanship:holding_brush run function gm4_horsemanship:need/care/brush/process
+
+# check for food
+execute if score $interaction_resolved gm4_horse_data matches 0 if predicate gm4_horsemanship:holding_food run function gm4_horsemanship:need/food/feed_added_food
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/tame_horse.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/tame_horse.mcfunction
new file mode 100644
index 0000000000..ef42854bb4
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/horse_processing/tame_horse.mcfunction
@@ -0,0 +1,7 @@
+# process a player that just tamed a horse (or equivalent)
+# @s = player taming the horse
+# at @s
+advancement revoke @s only gm4_horsemanship:tame_horse
+
+execute on vehicle if entity @s[type=#gm4_horsemanship:trainable,tag=gm4_horse,tag=!gm4_horse.tamed] run function gm4_horsemanship:level/tame_horse
+
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/init.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/init.mcfunction
new file mode 100644
index 0000000000..2aa59dae68
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/init.mcfunction
@@ -0,0 +1,49 @@
+execute unless score horsemanship gm4_modules matches 1 run data modify storage gm4:log queue append value {type:"install",module:"Horsemanship"}
+scoreboard players set horsemanship gm4_modules 1
+
+# add scoreboards
+scoreboard objectives add gm4_horse_data dummy
+
+scoreboard objectives add gm4_horse_level dummy
+scoreboard objectives add gm4_horse_riding minecraft.custom:minecraft.horse_one_cm
+scoreboard objectives add gm4_horse_speed_step dummy
+scoreboard objectives add gm4_horse_jump_step dummy
+scoreboard objectives add gm4_horse_experience dummy
+scoreboard objectives add gm4_horse_comfort dummy
+
+scoreboard objectives add gm4_horse_need.stamina dummy
+scoreboard objectives add gm4_horse_need.on_leash dummy
+scoreboard objectives add gm4_horse_need.fed_treat dummy
+scoreboard objectives add gm4_horse_need.brushing dummy
+scoreboard objectives add gm4_horse_need.graze dummy
+
+scoreboard objectives add gm4_horse_potential.total dummy
+scoreboard objectives add gm4_horse_potential.realized dummy
+
+scoreboard objectives add gm4_horse.stamina_cap dummy
+scoreboard objectives add gm4_horse.swim_power dummy
+
+# constants
+scoreboard players set #0 gm4_horse_data 0
+scoreboard players set #4 gm4_horse_data 4
+scoreboard players set #10 gm4_horse_data 10
+scoreboard players set #15 gm4_horse_data 15
+scoreboard players set #50 gm4_horse_data 50
+scoreboard players set #100 gm4_horse_data 100
+scoreboard players set #1000 gm4_horse_data 1000
+scoreboard players set #1405 gm4_horse_data 1405
+scoreboard players set #4216 gm4_horse_data 4216
+scoreboard players set #100000 gm4_horse_data 100000
+
+# Horse need caps
+scoreboard players set $need_cap.graze gm4_horse_data 2160
+scoreboard players set $need_cap.brushing gm4_horse_data 1500
+scoreboard players set $need_cap.on_leash gm4_horse_data 1125
+scoreboard players set $need_cap.stamina_start gm4_horse_data 75
+scoreboard players set $need_cap.stamina_step gm4_horse_data 25
+scoreboard players set $need_cap.fed_treat gm4_horse_data 15
+
+schedule function gm4_horsemanship:tick 1t
+schedule function gm4_horsemanship:main 1t
+
+#$moduleUpdateList
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/level/init_horse.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/level/init_horse.mcfunction
new file mode 100644
index 0000000000..6b9d4788bb
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/level/init_horse.mcfunction
@@ -0,0 +1,53 @@
+# init a new gm4_horse
+# @s = new gm4_horse
+# at @s
+# run from tame_horse
+
+tag @s add gm4_horse
+
+# | Max Health & Scale
+execute store result storage gm4_horse:temp attribute.health_remove_base float -0.01 run attribute @s max_health base get 100
+# 0.8 - 1.2
+execute store result score $scale gm4_horse_data run attribute @s scale base get 100
+execute store result score $scale_add gm4_horse_data run attribute @s max_health base get 2.666666666
+scoreboard players remove $scale gm4_horse_data 160
+scoreboard players operation $scale gm4_horse_data += $scale_add gm4_horse_data
+execute store result storage gm4_horse:temp attribute.scale float 0.01 run scoreboard players get $scale gm4_horse_data
+
+# | Movement Speed
+execute store result storage gm4_horse:temp attribute.speed_remove_base float -0.00001 run attribute @s movement_speed base get 100000
+execute store result score $speed.start gm4_horse_data run attribute @s movement_speed base get 100000
+scoreboard players operation @s gm4_horse_speed_step = $speed.start gm4_horse_data
+scoreboard players operation @s gm4_horse_speed_step *= #1405 gm4_horse_data
+scoreboard players operation @s gm4_horse_speed_step /= #1000 gm4_horse_data
+
+scoreboard players add $speed.start gm4_horse_data 20000
+scoreboard players operation $speed.start gm4_horse_data *= #1000 gm4_horse_data
+scoreboard players operation $speed.start gm4_horse_data /= #4216 gm4_horse_data
+execute store result storage gm4_horse:temp attribute.speed_start float 0.00001 run scoreboard players get $speed.start gm4_horse_data
+
+scoreboard players operation @s gm4_horse_speed_step -= $speed.start gm4_horse_data
+scoreboard players operation @s gm4_horse_speed_step /= #15 gm4_horse_data
+
+# | Jump Strength (uses a lower scale to avoid going over the int limit)
+execute store result storage gm4_horse:temp attribute.jump_remove_base float -0.00001 run attribute @s jump_strength base get 100000
+execute store result score $jump.start gm4_horse_data run attribute @s jump_strength base get 10000
+scoreboard players set @s gm4_horse_jump_step 21000
+scoreboard players operation @s gm4_horse_jump_step -= $jump.start gm4_horse_data
+scoreboard players operation @s gm4_horse_jump_step *= $jump.start gm4_horse_data
+scoreboard players operation @s gm4_horse_jump_step /= #1000 gm4_horse_data
+
+scoreboard players remove $jump.start gm4_horse_data 4000
+scoreboard players operation $jump.start gm4_horse_data *= #10 gm4_horse_data
+scoreboard players operation $jump.start gm4_horse_data /= #4 gm4_horse_data
+scoreboard players add $jump.start gm4_horse_data 44500
+execute store result storage gm4_horse:temp attribute.jump_start float 0.00001 run scoreboard players get $jump.start gm4_horse_data
+
+scoreboard players operation @s gm4_horse_jump_step -= $jump.start gm4_horse_data
+scoreboard players operation @s gm4_horse_jump_step /= #15 gm4_horse_data
+
+# modify attributes from storage
+function gm4_horsemanship:level/init_horse_eval with storage gm4_horse:temp attribute
+data remove storage gm4_horse:temp attribute
+
+effect give @s regeneration 4 9 true
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/level/init_horse_eval.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/level/init_horse_eval.mcfunction
new file mode 100644
index 0000000000..c2e5f2d72d
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/level/init_horse_eval.mcfunction
@@ -0,0 +1,16 @@
+# eval stats on this new horse
+# @s = new gm4_horse
+# at @s
+# run from level/init_horse
+
+$attribute @s max_health modifier add gm4_horse.health.remove_base $(health_remove_base) add_value
+$attribute @s movement_speed modifier add gm4_horse.speed.remove_base $(speed_remove_base) add_value
+$attribute @s jump_strength modifier add gm4_horse.jump.remove_base $(jump_remove_base) add_value
+
+attribute @s max_health modifier add gm4_horse.untamed 10 add_value
+
+attribute @s max_health modifier add gm4_horse.health 11.01 add_value
+$attribute @s movement_speed modifier add gm4_horse.speed $(speed_start) add_value
+$attribute @s jump_strength modifier add gm4_horse.jump $(jump_start) add_value
+
+$attribute @s scale modifier add gm4_horse.scale $(scale) add_value
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/level/level_up.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/level/level_up.mcfunction
new file mode 100644
index 0000000000..860ae84656
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/level/level_up.mcfunction
@@ -0,0 +1,53 @@
+# apply level-up to gm4_horse
+# @s = gm4_horse
+# at @s
+# run from horse_processsing/general
+
+# | Max Health
+execute store result score $health gm4_horse_data run attribute @s max_health modifier value get gm4_horse.health 10
+scoreboard players add $health gm4_horse_data 20
+execute store result storage gm4_horse:temp attribute.health float 0.1 run scoreboard players get $health gm4_horse_data
+
+# | Movement Speed
+execute store result score $speed gm4_horse_data run attribute @s movement_speed modifier value get gm4_horse.speed 100000
+scoreboard players operation $speed gm4_horse_data += @s gm4_horse_speed_step
+execute store result storage gm4_horse:temp attribute.speed float 0.00001 run scoreboard players get $speed gm4_horse_data
+
+# | Jump Strength
+execute store result score $jump gm4_horse_data run attribute @s jump_strength modifier value get gm4_horse.jump 100000
+scoreboard players operation $jump gm4_horse_data += @s gm4_horse_jump_step
+execute store result storage gm4_horse:temp attribute.jump float 0.00001 run scoreboard players get $jump gm4_horse_data
+
+# | Scores
+scoreboard players add @s gm4_horse_level 1
+scoreboard players operation @s gm4_horse.stamina_cap += $need_cap.stamina_step gm4_horse_data
+scoreboard players operation @s gm4_horse_need.stamina += $need_cap.stamina_step gm4_horse_data
+scoreboard players set @s gm4_horse_experience 0
+
+# set new needed experience
+execute if score @s gm4_horse_level matches 1 run scoreboard players set @s gm4_horse_experience 7500
+execute if score @s gm4_horse_level matches 2 run scoreboard players set @s gm4_horse_experience 10000
+execute if score @s gm4_horse_level matches 3 run scoreboard players set @s gm4_horse_experience 15000
+execute if score @s gm4_horse_level matches 4 run scoreboard players set @s gm4_horse_experience 22500
+execute if score @s gm4_horse_level matches 5 run scoreboard players set @s gm4_horse_experience 32500
+execute if score @s gm4_horse_level matches 6 run scoreboard players set @s gm4_horse_experience 45000
+execute if score @s gm4_horse_level matches 7 run scoreboard players set @s gm4_horse_experience 60000
+execute if score @s gm4_horse_level matches 8 run scoreboard players set @s gm4_horse_experience 82500
+execute if score @s gm4_horse_level matches 9 run scoreboard players set @s gm4_horse_experience 112500
+execute if score @s gm4_horse_level matches 10 run scoreboard players set @s gm4_horse_experience 150000
+execute if score @s gm4_horse_level matches 11 run scoreboard players set @s gm4_horse_experience 210000
+execute if score @s gm4_horse_level matches 12 run scoreboard players set @s gm4_horse_experience 300000
+execute if score @s gm4_horse_level matches 13 run scoreboard players set @s gm4_horse_experience 450000
+execute if score @s gm4_horse_level matches 14 run scoreboard players set @s gm4_horse_experience 675000
+
+# modify attributes from storage
+attribute @s max_health modifier remove gm4_horse.health
+attribute @s movement_speed modifier remove gm4_horse.speed
+attribute @s jump_strength modifier remove gm4_horse.jump
+function gm4_horsemanship:level/level_up_eval with storage gm4_horse:temp attribute
+data remove storage gm4_horse:temp attribute
+
+# vfx
+particle happy_villager ~ ~1 ~ 1 1 1 0 16
+playsound entity.player.levelup neutral @a ~ ~1 ~ 0.7 1.6
+effect give @s minecraft:regeneration 3 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/level/level_up_eval.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/level/level_up_eval.mcfunction
new file mode 100644
index 0000000000..feb7f55545
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/level/level_up_eval.mcfunction
@@ -0,0 +1,8 @@
+# eval stats on this new horse
+# @s = new gm4_horse
+# at @s
+# run from level/init_horse
+
+$attribute @s max_health modifier add gm4_horse.health $(health) add_value
+$attribute @s movement_speed modifier add gm4_horse.speed $(speed) add_value
+$attribute @s jump_strength modifier add gm4_horse.jump $(jump) add_value
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/level/tame_horse.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/level/tame_horse.mcfunction
new file mode 100644
index 0000000000..fd926d08de
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/level/tame_horse.mcfunction
@@ -0,0 +1,13 @@
+
+tag @s add gm4_horse.tamed
+
+scoreboard players set @s gm4_horse_level 0
+scoreboard players set @s gm4_horse_experience 6000
+scoreboard players operation @s gm4_horse.stamina_cap = $need_cap.stamina_start gm4_horse_data
+scoreboard players operation @s gm4_horse_need.stamina = @s gm4_horse.stamina_cap
+scoreboard players operation @s gm4_horse_need.graze = $need_cap.graze gm4_horse_data
+scoreboard players operation @s gm4_horse_need.brushing = $need_cap.brushing gm4_horse_data
+scoreboard players operation @s gm4_horse_need.fed_treat = $need_cap.fed_treat gm4_horse_data
+scoreboard players operation @s gm4_horse_need.on_leash = $need_cap.on_leash gm4_horse_data
+
+attribute @s max_health modifier remove gm4_horse.untamed
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/main.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/main.mcfunction
new file mode 100644
index 0000000000..119cf64f23
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/main.mcfunction
@@ -0,0 +1,14 @@
+schedule function gm4_horsemanship:main 16t
+
+# init new horses
+execute as @e[type=#gm4_horsemanship:trainable,tag=!gm4_horse,tag=!smithed.entity] run function gm4_horsemanship:level/init_horse
+
+# horse processing
+execute as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse.tamed] at @s run function gm4_horsemanship:horse_processing/general
+scoreboard players reset @a gm4_horse_riding
+
+# horse grazing
+execute as @e[type=#gm4_horsemanship:trainable,tag=!gm4_horse.grazing,nbt={EatingHaystack:1b}] run function gm4_horsemanship:need/graze/start
+
+# TEMP DEV COMMAND - TODO: remove
+execute as @a[tag=gm4_horse_dev] at @s as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse.tamed,limit=1,sort=nearest] run function gm4_horsemanship:dev/log
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/care/brush/apply.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/care/brush/apply.mcfunction
new file mode 100644
index 0000000000..d689c95cc8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/care/brush/apply.mcfunction
@@ -0,0 +1,13 @@
+# apply brushing effects
+# @s = gm4_horse being brushed
+# at @s
+# run from need/care/brush/process
+
+# vfx
+particle block{block_state:"dirt"} ~ ~0.6 ~ 0.4 1 0.4 0 12
+execute if score @s gm4_horse_need.brushing matches 1375.. run playsound minecraft:entity.horse.ambient neutral @a ~ ~ ~ 2 0.7
+execute at @p[tag=gm4_horse_self] run playsound item.brush.brushing.generic player @a ~ ~ ~ 3 0
+
+# scoreboards
+scoreboard players add @s gm4_horse_need.brushing 75
+scoreboard players operation @s gm4_horse_need.brushing < $need_cap.brushing gm4_horse_data
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/care/brush/process.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/care/brush/process.mcfunction
new file mode 100644
index 0000000000..b1effe7d9a
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/care/brush/process.mcfunction
@@ -0,0 +1,15 @@
+# process gm4_horses being brushed
+# @s = player riding the gm4_horse
+# at @s (before mounting)
+# run from start_riding_horse
+
+# brushing effect
+tag @s add gm4_horse_self
+execute on vehicle unless score @s gm4_horse_need.brushing matches 1450.. at @s run function gm4_horsemanship:need/care/brush/apply
+tag @s remove gm4_horse_self
+
+# restore player location
+function gm4_horsemanship:riding/restore_location/prep
+
+# mark this interaction as resolved
+scoreboard players set $interaction_resolved gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/check_horse.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/check_horse.mcfunction
new file mode 100644
index 0000000000..d9a2fb9e99
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/check_horse.mcfunction
@@ -0,0 +1,8 @@
+# check if this gm4_horse was fed by checking if player is looking at it
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s add gm4_horse_check
+execute as @p[tag=gm4_horse_check_player] if predicate gm4_horsemanship:check_horse_looking_at run tag @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_check,distance=..8,limit=1] add gm4_horse_target
+tag @s remove gm4_horse_check
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/feed_added_food.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/feed_added_food.mcfunction
new file mode 100644
index 0000000000..b453a47f01
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/feed_added_food.mcfunction
@@ -0,0 +1,29 @@
+# check feeding the gm4_horse a food item added by this module
+# @s = player feeding the gm4_horse
+# at @s
+# run from start_riding_horse
+
+# check which item was fed
+scoreboard players set $food_processed gm4_horse_data 0
+item replace block 29999998 1 7134 container.0 from entity @s weapon.mainhand
+data modify storage gm4_horsemanship:temp item_id set from block 29999998 1 7134 Items[{Slot:0b}].id
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:short_grass"} on vehicle at @s run function gm4_horsemanship:need/food/type/short_grass
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:carrot"} on vehicle at @s run function gm4_horsemanship:need/food/type/carrot
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:sweet_berries"} on vehicle at @s run function gm4_horsemanship:need/food/type/sweet_berries
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:glow_berries"} on vehicle at @s run function gm4_horsemanship:need/food/type/glow_berries
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:chorus_fruit"} on vehicle at @s run function gm4_horsemanship:need/food/type/chorus_fruit
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:dried_kelp"} on vehicle at @s run function gm4_horsemanship:need/food/type/dried_kelp
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:melon_slice"} on vehicle at @s run function gm4_horsemanship:need/food/type/melon_slice
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:beetroot"} on vehicle at @s run function gm4_horsemanship:need/food/type/beetroot
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:bread"} on vehicle at @s run function gm4_horsemanship:need/food/type/bread
+execute if score $food_processed gm4_horse_data matches 0 if data storage gm4_horsemanship:temp {item_id:"minecraft:baked_potato"} on vehicle at @s run function gm4_horsemanship:need/food/type/baked_potato
+data remove storage gm4_horsemanship:temp item_id
+
+# playsound and remove the fed item
+execute on vehicle at @s run playsound entity.horse.eat neutral @a ~ ~ ~ 1 1
+item modify entity @s[gamemode=!creative] weapon.mainhand {"function": "minecraft:set_count","count":-1,"add":true}
+
+execute on vehicle run scoreboard players operation @s[tag=gm4_horse.tamed] gm4_horse_need.fed_treat = $need_cap.fed_treat gm4_horse_data
+
+# restore player location
+function gm4_horsemanship:riding/restore_location/prep
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/feed_original_food.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/feed_original_food.mcfunction
new file mode 100644
index 0000000000..2fba9ef9a0
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/feed_original_food.mcfunction
@@ -0,0 +1,22 @@
+# check feeding the gm4_horse an actual food item
+# @s = player feeding the gm4_horse
+# at @s
+# run from advancement feed_horse
+
+# check nearby horses to find the one that was fed
+tag @s add gm4_horse_check_player
+execute as @e[type=#gm4_horsemanship:trainable,distance=..8] run function gm4_horsemanship:need/food/check_horse
+tag @s remove gm4_horse_check_player
+
+execute as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] run scoreboard players operation @s[tag=gm4_horse.tamed] gm4_horse_need.fed_treat = $need_cap.fed_treat gm4_horse_data
+
+# check advancement criteria to find used food item
+scoreboard players set $food_processed gm4_horse_data 0
+execute if score $food_processed gm4_horse_data matches 0 if entity @s[advancements={gm4_horsemanship:feed_horse={apple=true}}] as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] at @s run function gm4_horsemanship:need/food/type/apple
+execute if score $food_processed gm4_horse_data matches 0 if entity @s[advancements={gm4_horsemanship:feed_horse={golden_apple=true}}] as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] at @s run function gm4_horsemanship:need/food/type/golden_apple
+execute if score $food_processed gm4_horse_data matches 0 if entity @s[advancements={gm4_horsemanship:feed_horse={enchanted_golden_apple=true}}] as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] at @s run function gm4_horsemanship:need/food/type/enchanted_golden_apple
+execute if score $food_processed gm4_horse_data matches 0 if entity @s[advancements={gm4_horsemanship:feed_horse={golden_carrot=true}}] as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] at @s run function gm4_horsemanship:need/food/type/golden_carrot
+execute if score $food_processed gm4_horse_data matches 0 if entity @s[advancements={gm4_horsemanship:feed_horse={sugar=true}}] as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] at @s run function gm4_horsemanship:need/food/type/sugar
+execute if score $food_processed gm4_horse_data matches 0 if entity @s[advancements={gm4_horsemanship:feed_horse={wheat=true}}] as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] at @s run function gm4_horsemanship:need/food/type/wheat
+execute if score $food_processed gm4_horse_data matches 0 if entity @s[advancements={gm4_horsemanship:feed_horse={hay_block=true}}] as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse_target,distance=..8,limit=1] at @s run function gm4_horsemanship:need/food/type/hay_block
+advancement revoke @s only gm4_horsemanship:feed_horse
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/apple.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/apple.mcfunction
new file mode 100644
index 0000000000..52d048470f
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/apple.mcfunction
@@ -0,0 +1,10 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s remove gm4_horse_target
+
+tag @s add gm4_horse.check_health
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/baked_potato.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/baked_potato.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/baked_potato.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/beetroot.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/beetroot.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/beetroot.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/bread.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/bread.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/bread.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/carrot.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/carrot.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/carrot.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/chorus_fruit.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/chorus_fruit.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/chorus_fruit.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/dried_kelp.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/dried_kelp.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/dried_kelp.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/enchanted_golden_apple.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/enchanted_golden_apple.mcfunction
new file mode 100644
index 0000000000..c1dfc342c2
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/enchanted_golden_apple.mcfunction
@@ -0,0 +1,12 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s remove gm4_horse_target
+
+tag @s add gm4_horse.check_health
+
+scoreboard players set $food_processed gm4_horse_data 1
+
+# Also enables breeding
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/glow_berries.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/glow_berries.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/glow_berries.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/golden_apple.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/golden_apple.mcfunction
new file mode 100644
index 0000000000..c1dfc342c2
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/golden_apple.mcfunction
@@ -0,0 +1,12 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s remove gm4_horse_target
+
+tag @s add gm4_horse.check_health
+
+scoreboard players set $food_processed gm4_horse_data 1
+
+# Also enables breeding
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/golden_carrot.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/golden_carrot.mcfunction
new file mode 100644
index 0000000000..c1dfc342c2
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/golden_carrot.mcfunction
@@ -0,0 +1,12 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s remove gm4_horse_target
+
+tag @s add gm4_horse.check_health
+
+scoreboard players set $food_processed gm4_horse_data 1
+
+# Also enables breeding
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/hay_block.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/hay_block.mcfunction
new file mode 100644
index 0000000000..52d048470f
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/hay_block.mcfunction
@@ -0,0 +1,10 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s remove gm4_horse_target
+
+tag @s add gm4_horse.check_health
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/melon_slice.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/melon_slice.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/melon_slice.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/short_grass.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/short_grass.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/short_grass.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/sugar.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/sugar.mcfunction
new file mode 100644
index 0000000000..52d048470f
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/sugar.mcfunction
@@ -0,0 +1,10 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s remove gm4_horse_target
+
+tag @s add gm4_horse.check_health
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/sweet_berries.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/sweet_berries.mcfunction
new file mode 100644
index 0000000000..8aeeff96b8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/sweet_berries.mcfunction
@@ -0,0 +1,6 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_added_food
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/wheat.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/wheat.mcfunction
new file mode 100644
index 0000000000..52d048470f
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/food/type/wheat.mcfunction
@@ -0,0 +1,10 @@
+# process horse being fed food
+# @s = gm4_horse
+# at @s
+# run from need/food/feed_original_food
+
+tag @s remove gm4_horse_target
+
+tag @s add gm4_horse.check_health
+
+scoreboard players set $food_processed gm4_horse_data 1
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/cancel.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/cancel.mcfunction
new file mode 100644
index 0000000000..dffe6bddd0
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/cancel.mcfunction
@@ -0,0 +1,8 @@
+# cancel grazing gm4_horses if they are being ridden
+# @s = gm4_horse
+# at @s
+# run from horse_processsing/general
+
+tag @s remove gm4_horse.grazing
+tag @s remove gm4_horse.force_graze
+data modify entity @s EatingHaystack set value 0b
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/complete.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/complete.mcfunction
new file mode 100644
index 0000000000..9055688e7c
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/complete.mcfunction
@@ -0,0 +1,26 @@
+# process (gm4_)horses that completed grazing
+# @s = (gm4_)horse
+# at @s
+# run from need/graze/tick
+
+tag @s remove gm4_horse.grazing
+tag @s remove gm4_horse.force_graze
+
+# if this is a baby horse accelerate its growth by 10% (same effect as on sheep)
+execute store result score $Age gm4_horse_data run data get entity @s Age
+execute if score $Age gm4_horse_data matches ..-1 store result entity @s Age int 0.9 run data get entity @s Age
+
+# if block was hay bale grant more score and don't run rest
+execute if block ~ ~-1 ~ hay_block run return run function gm4_horsemanship:need/graze/hay_block
+
+# if this is a gm4_horse fill its grazing needs
+execute if entity @s[tag=gm4_horse.tamed] run scoreboard players add @s gm4_horse_need.graze 360
+scoreboard players operation @s[tag=gm4_horse.tamed] gm4_horse_need.graze < $need_cap.graze gm4_horse_data
+
+# break grass (block) if mobGriefing is enabled
+# horses can only eat grass or grass blocks but not flowers or tall grass, similar to sheep
+execute store result score $mobGriefing gm4_horse_data run gamerule mobGriefing
+execute if score $mobGriefing gm4_horse_data matches 1 unless block ~ ~ ~ short_grass run fill ~ ~ ~ ~ ~-1 ~ dirt replace grass_block
+execute if score $mobGriefing gm4_horse_data matches 1 if block ~ ~ ~ short_grass run fill ~ ~ ~ ~ ~ ~ air replace short_grass
+playsound minecraft:block.grass.break block @a ~ ~ ~ 1 1
+particle block{block_state:"grass_block"} ~ ~ ~ 0.2 0.05 0.2 0 4
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/force.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/force.mcfunction
new file mode 100644
index 0000000000..455fd6e956
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/force.mcfunction
@@ -0,0 +1,7 @@
+# force starving gm4_horse to graze while being mounted
+# @s = gm4_horse
+# at @s
+# run from horse_processsing/general
+
+tag @s add gm4_horse.force_graze
+data modify entity @s EatingHaystack set value 1b
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/hay_block.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/hay_block.mcfunction
new file mode 100644
index 0000000000..3519366931
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/hay_block.mcfunction
@@ -0,0 +1,11 @@
+# process (gm4_)horses that completed grazing a hay block
+# @s = (gm4_)horse
+# at @s
+# run from need/graze/complete
+
+# if this is a gm4_horse fill its grazing need to 1050
+execute if entity @s[tag=gm4_horse.tamed] run scoreboard players set @s[scores={gm4_horse_need.graze=..1049}] gm4_horse_need.graze 1050
+
+# particles and sound
+playsound minecraft:block.grass.break block @a ~ ~ ~ 1 1
+particle block{block_state:"hay_block"} ~ ~ ~ 0.2 0.05 0.2 0 4
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/start.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/start.mcfunction
new file mode 100644
index 0000000000..44bdcff917
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/start.mcfunction
@@ -0,0 +1,7 @@
+# mark this gm4_horse as grazing
+# @s = gm4_horse
+# at @s
+# run from main
+
+schedule function gm4_horsemanship:need/graze/tick 1t
+tag @s add gm4_horse.grazing
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/tick.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/tick.mcfunction
new file mode 100644
index 0000000000..faee4619b1
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/need/graze/tick.mcfunction
@@ -0,0 +1,8 @@
+# process grazing (gm4_)horses
+# @s = unspecified
+# at unspecified
+# schedule from need/graze/start
+# schedule from here
+
+execute as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse.grazing,nbt={EatingHaystack:0b}] at @s run function gm4_horsemanship:need/graze/complete
+execute if entity @e[type=#gm4_horsemanship:trainable,tag=gm4_horse.grazing] run schedule function gm4_horsemanship:need/graze/tick 1t
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/need/social/_.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/need/social/_.mcfunction
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/riding/restore_location/prep.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/riding/restore_location/prep.mcfunction
new file mode 100644
index 0000000000..0cb58aaeac
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/riding/restore_location/prep.mcfunction
@@ -0,0 +1,9 @@
+# prep restoring the location of this player
+# @s = player that just mounted a gm4_horse
+# at @s (before mounting)
+# run from need/care/brush/process
+# run from need/food/feed_added_food
+
+tag @s add gm4_horse_self
+execute summon marker run function gm4_horsemanship:riding/restore_location/restore
+tag @s remove gm4_horse_self
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/riding/restore_location/restore.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/riding/restore_location/restore.mcfunction
new file mode 100644
index 0000000000..df6a31200e
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/riding/restore_location/restore.mcfunction
@@ -0,0 +1,7 @@
+# restore player location to before mounting
+# @s = marker
+# at @s
+# run from riding/restore_location/prep
+
+execute positioned as @s run tp @p[tag=gm4_horse_self] ~ ~ ~
+kill @s
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/riding/stamina/rested.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/riding/stamina/rested.mcfunction
new file mode 100644
index 0000000000..061d2965dc
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/riding/stamina/rested.mcfunction
@@ -0,0 +1,8 @@
+# remove tired horse mark once needs are met again
+# @s = gm4_horse
+# at @s
+# run from horse_processsing/general
+
+attribute @s movement_speed modifier remove gm4_horse.speed.tired
+attribute @s jump_strength modifier remove gm4_horse.jump.tired
+tag @s remove gm4_horse.tired
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/riding/stamina/tired.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/riding/stamina/tired.mcfunction
new file mode 100644
index 0000000000..7926958e23
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/riding/stamina/tired.mcfunction
@@ -0,0 +1,8 @@
+# mark horse as tired if its needs are not met
+# @s = gm4_horse
+# at @s
+# run from horse_processsing/general
+
+attribute @s movement_speed modifier add gm4_horse.speed.tired -0.5 add_multiplied_total
+attribute @s jump_strength modifier add gm4_horse.jump.tired -0.5 add_multiplied_total
+tag @s add gm4_horse.tired
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/riding/swim/process.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/riding/swim/process.mcfunction
new file mode 100644
index 0000000000..5455a15eb8
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/riding/swim/process.mcfunction
@@ -0,0 +1,11 @@
+
+scoreboard players set $mounted gm4_horse_data 0
+execute store success score $mounted gm4_horse_data on controller if entity @s[type=player]
+
+
+execute if score $mounted gm4_horse_data matches 1 if entity @s[tag=!gm4_horse.swimming] if block ~ ~0.6 ~ water run tag @s add gm4_horse.swimming
+execute if score $mounted gm4_horse_data matches 1 if entity @s[tag=gm4_horse.swimming] unless block ~ ~0.35 ~ water run tag @s remove gm4_horse.swimming
+execute if score $mounted gm4_horse_data matches 0 if entity @s[tag=gm4_horse.swimming] run tag @s remove gm4_horse.swimming
+
+scoreboard players set @s[tag=!gm4_horse.swimming] gm4_horse.swim_power 0
+execute if entity @s[tag=gm4_horse.swimming,tag=!gm4_horse.tired] run function gm4_horsemanship:riding/swim/upwards
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/riding/swim/upwards.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/riding/swim/upwards.mcfunction
new file mode 100644
index 0000000000..e117b1b665
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/riding/swim/upwards.mcfunction
@@ -0,0 +1,7 @@
+
+execute store result score $motion_y gm4_horse_data run data get entity @s Motion[1] 200
+
+scoreboard players add @s[scores={gm4_horse.swim_power=..19}] gm4_horse.swim_power 1
+
+execute if score $motion_y gm4_horse_data matches ..0 run scoreboard players operation $motion_y gm4_horse_data += @s gm4_horse.swim_power
+execute store result entity @s Motion[1] double 0.005 run scoreboard players get $motion_y gm4_horse_data
diff --git a/gm4_horsemanship/data/gm4_horsemanship/function/tick.mcfunction b/gm4_horsemanship/data/gm4_horsemanship/function/tick.mcfunction
new file mode 100644
index 0000000000..b74abe19f1
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/function/tick.mcfunction
@@ -0,0 +1,3 @@
+schedule function gm4_horsemanship:tick 1t
+
+execute as @e[type=#gm4_horsemanship:trainable,tag=gm4_horse.tamed] at @s run function gm4_horsemanship:riding/swim/process
diff --git a/gm4_horsemanship/data/gm4_horsemanship/predicate/check_horse_looking_at.json b/gm4_horsemanship/data/gm4_horsemanship/predicate/check_horse_looking_at.json
new file mode 100644
index 0000000000..69c8d45967
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/predicate/check_horse_looking_at.json
@@ -0,0 +1,13 @@
+{
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "type_specific": {
+      "type": "player",
+      "looking_at": {
+        "type": "#gm4_horsemanship:trainable",
+        "nbt": "{Tags:[\"gm4_horse_check\"]}"
+      }
+    }
+  }
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/predicate/holding_brush.json b/gm4_horsemanship/data/gm4_horsemanship/predicate/holding_brush.json
new file mode 100644
index 0000000000..be8124b229
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/predicate/holding_brush.json
@@ -0,0 +1,13 @@
+{
+    "condition": "minecraft:entity_properties",
+    "entity": "this",
+    "predicate": {
+        "equipment": {
+            "mainhand": {
+                "items": [
+                    "minecraft:brush"
+                ]
+            }
+        }
+    }
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/predicate/holding_food.json b/gm4_horsemanship/data/gm4_horsemanship/predicate/holding_food.json
new file mode 100644
index 0000000000..dfbd928109
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/predicate/holding_food.json
@@ -0,0 +1,11 @@
+{
+    "condition": "minecraft:entity_properties",
+    "entity": "this",
+    "predicate": {
+        "equipment": {
+            "mainhand": {
+                "items": "#gm4_horsemanship:added_food"
+            }
+        }
+    }
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/tags/block/can_eat_through.json b/gm4_horsemanship/data/gm4_horsemanship/tags/block/can_eat_through.json
new file mode 100644
index 0000000000..c55d1d1db2
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/tags/block/can_eat_through.json
@@ -0,0 +1,6 @@
+{
+    "values": [
+        "#gm4:no_collision",
+        "snow"
+    ]
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/tags/entity_type/trainable.json b/gm4_horsemanship/data/gm4_horsemanship/tags/entity_type/trainable.json
new file mode 100644
index 0000000000..626ac89312
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/tags/entity_type/trainable.json
@@ -0,0 +1,7 @@
+{
+  "values": [
+    "minecraft:donkey",
+    "minecraft:horse",
+    "minecraft:mule"
+  ]
+}
diff --git a/gm4_horsemanship/data/gm4_horsemanship/tags/item/added_food.json b/gm4_horsemanship/data/gm4_horsemanship/tags/item/added_food.json
new file mode 100644
index 0000000000..adf8942545
--- /dev/null
+++ b/gm4_horsemanship/data/gm4_horsemanship/tags/item/added_food.json
@@ -0,0 +1,14 @@
+{
+  "values": [
+    "minecraft:short_grass",
+    "minecraft:carrot",
+    "minecraft:sweet_berries",
+    "minecraft:glow_berries",
+    "minecraft:chorus_fruit",
+    "minecraft:dried_kelp",
+    "minecraft:melon_slice",
+    "minecraft:beetroot",
+    "minecraft:bread",
+    "minecraft:baked_potato"
+  ]
+}