New mountaineering module

gm4_mountaineering/data/gm4/advancements/mountaineering.json

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+{
+  "display": {
+    "icon": {
+      "item": "iron_boots",
+      "nbt": "{CustomModelData:3420001}"
+    },
+    "title": {
+      "translate": "%1$s%3427655$s",
+      "with": [
+        "Ski",
+        {
+          "translate": "advancement.gm4.mountaineering.title"
+        }
+      ]
+    },
+    "description": {
+      "translate": "%1$s%3427655$s",
+      "with": [
+        "Wear Skis",
+        {
+          "translate": "advancement.gm4.mountaineering.description"
+        }
+      ],
+      "color": "gray"
+    }
+  },
+  "parent": "gm4:custom_crafters",
+  "criteria": {
+    "mountaineering": {
+      "trigger": "minecraft:inventory_changed",
+      "conditions": {
+        "items": [
+          {
+            "items": [
+              "minecraft:iron_boots"
+            ],
+            "nbt": "{gm4_mountaineering:{item:\"skis\"}}"
+          }
+        ]
+      }
+    }
+  }
+}

gm4_mountaineering/data/gm4/advancements/root.json

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+{
+  "display": {
+    "icon": {
+      "item": "command_block",
+      "nbt": "{CustomModelData:3420001}"
+    },
+    "title": {
+      "translate": "%1$s%3427655$s",
+      "with": [
+        "Gamemode 4",
+        {"translate": "advancement.gm4.root.title"}
+      ]
+    },
+    "description": {
+      "translate": "%1$s%3427655$s",
+      "with": [
+        "Semi-funny blurb about GM4",
+        {"translate": "advancement.gm4.root.description"}
+      ],
+      "color": "gray"
+    },
+    "background": "textures/block/light_blue_concrete_powder.png",
+    "announce_to_chat": false
+  },
+  "criteria": {
+    "automatic": {
+      "trigger": "minecraft:tick"
+    }
+  }
+}

gm4_mountaineering/data/gm4_custom_crafters/tags/functions/check_recipes.json

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+{
+    "values": [
+      "gm4_mountaineering:check_recipes"
+    ]
+  }

gm4_mountaineering/data/gm4_mountaineering/functions/check_recipes.mcfunction

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+# Checks for recipes then runs the relevant function to create mountaineering gear
+
+execute if score $crafted gm4_crafting matches 0 store success score $crafted gm4_crafting if score $slot_count gm4_crafting matches 4 if score $stack_size gm4_crafting matches ..1 if data storage gm4_custom_crafters:temp/crafter {Items:[{Slot:1b,id:"minecraft:iron_boots",Count:1b},{Slot:3b,id:"minecraft:heavy_weighted_pressure_plate",Count:1b},{Slot:4b,id:"minecraft:heavy_weighted_pressure_plate",Count:1b},{Slot:5b,id:"minecraft:heavy_weighted_pressure_plate",Count:1b}]} unless data storage gm4_custom_crafters:temp/crafter Items[0].tag.gm4_mountaineering run function gm4_mountaineering:new_skis
+execute if score $crafted gm4_crafting matches 0 store success score $crafted gm4_crafting if score $slot_count gm4_crafting matches 3 if score $stack_size gm4_crafting matches ..1 if data storage gm4_custom_crafters:temp/crafter {Items:[{Slot:1b,id:"minecraft:tripwire_hook",Count:1b},{Slot:4b,id:"minecraft:iron_bars",Count:1b},{Slot:7b,id:"minecraft:pointed_dripstone",Count:1b}]} unless data storage gm4_custom_crafters:temp/crafter Items[0].tag.gm4_mountaineering run loot replace block ~ ~ ~ container.0 loot gm4_mountaineering:crafting/poles
+execute if score $crafted gm4_crafting matches 0 store success score $crafted gm4_crafting if score $slot_count gm4_crafting matches 4 if score $stack_size gm4_crafting matches ..1 if data storage gm4_custom_crafters:temp/crafter {Items:[{Slot:1b,id:"minecraft:chainmail_boots",Count:1b},{Slot:3b,id:"minecraft:pointed_dripstone",Count:1b},{Slot:4b,id:"minecraft:pointed_dripstone",Count:1b},{Slot:5b,id:"minecraft:pointed_dripstone",Count:1b}]} unless data storage gm4_custom_crafters:temp/crafter Items[0].tag.gm4_mountaineering run function gm4_mountaineering:new_crampons

gm4_mountaineering/data/gm4_mountaineering/functions/init.mcfunction

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+execute unless score mountaineering gm4_modules matches 1 run data modify storage gm4:log queue append value {type:"install",module:"Mountaineering"}
+scoreboard players set mountaineering gm4_modules 1
+
+schedule function gm4_mountaineering:main 10t
+
+#$moduleUpdateList

gm4_mountaineering/data/gm4_mountaineering/functions/load.mcfunction

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+execute if score gm4 load.status matches 1 if score gm4_custom_crafters load.status matches 2 run scoreboard players set gm4_mountaineering load.status 1
+execute unless score gm4 load.status matches 1 run data modify storage gm4:log queue append value {type:"missing",module:"Mountaineering",require:"Gamemode 4"}
+execute unless score gm4_custom_crafters load.status matches 2 run data modify storage gm4:log queue append value {type:"missing",module:"Mountaineering",require:"Custom Crafters"}
+
+execute if score gm4_mountaineering load.status matches 1 run function gm4_mountaineering:init
+execute unless score gm4_mountaineering load.status matches 1 run schedule clear gm4_mountaineering:main

gm4_mountaineering/data/gm4_mountaineering/functions/main.mcfunction

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+# Run functions to provide relevant effects when a piece of mountaineering gear is worn
+
+execute as @a[gamemode=!spectator,gamemode=!adventure,predicate=gm4_mountaineering:wearing_skis] run function gm4_mountaineering:ski_effects/skis_equipped
+execute as @a[gamemode=!spectator,gamemode=!adventure,predicate=gm4_mountaineering:holding_poles] run function gm4_mountaineering:ski_effects/poles_equipped
+execute as @a[gamemode=!spectator,gamemode=!adventure,predicate=gm4_mountaineering:wearing_crampons] run function gm4_mountaineering:ski_effects/crampons_equipped
+
+
+schedule function gm4_mountaineering:main 16t

gm4_mountaineering/data/gm4_mountaineering/functions/new_crampons.mcfunction

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+# Creates new crampons upon correct recipe detection
+# @s = custom crafter with correct recipe
+# run from check_recipes
+
+# Preserve existing item data for provided leather boots
+data modify storage gm4_mountaineering:temp crampons_item set from storage gm4_custom_crafters:temp/crafter Items[0]
+
+# Create crampons in custom crafter
+loot replace block ~ ~ ~ container.0 loot gm4_mountaineering:crafting/crampons
+
+# Remove temp-stored leather boots from stored data
+data remove storage gm4_mountaineering:temp crampons_item

gm4_mountaineering/data/gm4_mountaineering/functions/new_skis.mcfunction

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+# Creates new skis upon correct recipe detection
+# @s = custom crafter with correct recipe
+# run from check_recipes
+
+# Preserve existing item data for provided iron boots
+data modify storage gm4_mountaineering:temp ski_item set from storage gm4_custom_crafters:temp/crafter Items[0]
+
+# Create skis in custom crafter
+loot replace block ~ ~ ~ container.0 loot gm4_mountaineering:crafting/skis
+
+# Remove temp-stored iron boots from stored data
+data remove storage gm4_mountaineering:temp ski_item

gm4_mountaineering/data/gm4_mountaineering/functions/ski_effects/crampons_equipped.mcfunction

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+# Give jump boost effects when wearing crampons
+# @s = player wearing crampons
+# at @s
+# run from main
+
+# Always provide jump boost 1
+effect give @s jump_boost 2 0 true
+
+# Provide jump boost 2 when also holding poles
+effect give @s[predicate=gm4_mountaineering:holding_poles] jump_boost 2 1 true

gm4_mountaineering/data/gm4_mountaineering/functions/ski_effects/poles_equipped.mcfunction

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+# Give jump boost effects when holding poles, as long as the player is on a block (to simulate a cooldown)
+# @s = player holding poles
+# at @s
+# run from main
+
+execute at @a unless block ~ ~-0.2 ~ minecraft:air run effect give @s jump_boost 1 0 true

gm4_mountaineering/data/gm4_mountaineering/functions/ski_effects/skis_equipped.mcfunction

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+# Give skiing effects when ski requirements are met
+# @s = player meeting ski requirements
+# at @s
+# run from main
+
+# Give speed when wearing skis and on a snowy block
+effect give @s[predicate=gm4_mountaineering:on_snowy_block] speed 2 0 true
+
+# Give extra speed if descending
+execute at @a if block ~ ~-1.3 ~ minecraft:air run effect give @s speed 2 1 true
+
+# Clear speed effects and apply slowness if standing on a non-snowy block
+execute at @a unless predicate gm4_mountaineering:on_snowy_block_or_air run effect clear @s minecraft:speed
+execute at @a unless predicate gm4_mountaineering:on_snowy_block_or_air run effect give @s slowness 3 0 true

gm4_mountaineering/data/gm4_mountaineering/loot_tables/crafting/crampons.json

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+{
+    "type": "minecraft:generic",
+    "pools": [
+      {
+        "rolls": 1,
+        "entries": [
+          {
+            "type": "minecraft:item",
+            "name": "minecraft:air"
+          }
+        ]
+      },
+      {
+        "rolls": 1,
+        "entries": [
+          {
+            "type": "minecraft:loot_table",
+            "name": "gm4_mountaineering:items/crampons",
+            "functions": [
+              {
+                "function": "minecraft:set_count",
+                "count": 1
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "rolls": 7,
+        "entries": [
+          {
+            "type": "minecraft:item",
+            "name": "minecraft:air"
+          }
+        ]
+      }
+    ]
+  }

gm4_mountaineering/data/gm4_mountaineering/loot_tables/crafting/poles.json

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+{
+    "type": "minecraft:generic",
+    "pools": [
+      {
+        "rolls": 8,
+        "entries": [
+          {
+            "type": "minecraft:item",
+            "name": "minecraft:air"
+          }
+        ]
+      },
+      {
+        "rolls": 1,
+        "entries": [
+          {
+            "type": "minecraft:loot_table",
+            "name": "gm4_mountaineering:items/poles",
+            "functions": [
+              {
+                "function": "minecraft:set_count",
+                "count": 1
+              }
+            ]
+          }
+        ]
+      }
+    ]
+  }

gm4_mountaineering/data/gm4_mountaineering/loot_tables/crafting/skis.json

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+{
+    "type": "minecraft:generic",
+    "pools": [
+      {
+        "rolls": 1,
+        "entries": [
+          {
+            "type": "minecraft:item",
+            "name": "minecraft:air"
+          }
+        ]
+      },
+      {
+        "rolls": 1,
+        "entries": [
+          {
+            "type": "minecraft:loot_table",
+            "name": "gm4_mountaineering:items/skis",
+            "functions": [
+              {
+                "function": "minecraft:set_count",
+                "count": 1
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "rolls": 7,
+        "entries": [
+          {
+            "type": "minecraft:item",
+            "name": "minecraft:air"
+          }
+        ]
+      }
+    ]
+  }

gm4_mountaineering/data/gm4_mountaineering/loot_tables/items/crampons.json

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+{
+    "type": "minecraft:generic",
+    "pools": [
+        {
+            "rolls": 1,
+            "entries": [
+                {
+                    "type": "minecraft:item",
+                    "name": "minecraft:chainmail_boots",
+                    "functions": [
+                        {
+                            "function": "minecraft:set_nbt",
+                            "tag": "{CustomModelData:3420001,gm4_mountaineering:{item:\"crampons\"},HideFlags:64}"
+                        },
+                        {
+                            "function": "minecraft:set_name",
+                            "name": {
+                                "translate": "%1$s%3427655$s",
+                                "with": [
+                                    "Crampons",
+                                    {
+                                        "translate": "item.gm4.crampons"
+                                    }
+                                ],
+                                "italic": false
+                            }
+                        },
+                        {
+                            "function": "minecraft:copy_nbt",
+                            "source": {
+                                "type": "minecraft:storage",
+                                "source": "gm4_mountaineering:temp"
+                            },
+                            "ops": [
+                                {
+                                    "source": "crampons_item.tag",
+                                    "target": "{}",
+                                    "op": "merge"
+                                }
+                            ]
+                        }
+                    ]
+                }
+            ]
+        }
+    ]
+}

gm4_mountaineering/data/gm4_mountaineering/loot_tables/items/poles.json

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+{
+    "type": "minecraft:generic",
+    "pools": [
+        {
+            "rolls": 1,
+            "entries": [
+                {
+                    "type": "minecraft:item",
+                    "name": "minecraft:tripwire_hook",
+                    "functions": [
+                        {
+                            "function": "minecraft:set_nbt",
+                            "tag": "{CustomModelData:3420001,gm4_mountaineering:{item:\"poles\"},HideFlags:64}"
+                        },
+                        {
+                            "function": "minecraft:set_name",
+                            "name": {
+                                "translate": "%1$s%3427655$s",
+                                "with": [
+                                    "Poles",
+                                    {
+                                        "translate": "item.gm4.poles"
+                                    }
+                                ],
+                                "italic": false
+                            }
+                        }
+                    ]
+                }
+            ]
+        }
+    ]
+}