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RoarkCatsRoarkCats
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‎.gitignore‎

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*.exe

‎Datapack Generator 1.4.py‎

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import os
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import time
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# Rng import, mostly just writing large strings to a few files with the namespace filled in
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def import_rng(ver):
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print(" Importing rng...")
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os.makedirs(f"./{pack_name}/data/{pack_namespace}/functions/rng/")
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with open(f"{pack_name}/data/{pack_namespace}/functions/rng/lcg.mcfunction", "w") as f:
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f.write(f"""# LCG Seed implementation
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#
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# x_(n+1) = x_(n)*a + c
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#
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# a = 1103515245, c = 12345
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scoreboard players operation #lcg {pack_namespace}.rng *= #lcg_constant {pack_namespace}.rng
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scoreboard players add #lcg {pack_namespace}.rng 12345
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scoreboard players operation out {pack_namespace}.rng = #lcg {pack_namespace}.rng""")
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with open(f"{pack_name}/data/{pack_namespace}/functions/rng/next_int_lcg.mcfunction", "w") as f:
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f.write(f"""###
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# public int nextInt(int bound) {{
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# if (bound <= 0)
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# throw new IllegalArgumentException(BadBound);
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#
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# int r = next(31);
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# int m = bound - 1;
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# if ((bound & m) == 0) // i.e., bound is a power of 2
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# r = (int)((bound * (long)r) >> 31);
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# else {{
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# for (int u = r; u - (r = u % bound) + m < 0; u = next(31));
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# }}
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# return r;
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# }}
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function {pack_namespace}:rng/lcg
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scoreboard players operation #temp {pack_namespace}.rng = out {pack_namespace}.rng
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scoreboard players operation out {pack_namespace}.rng %= #range {pack_namespace}.rng
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scoreboard players operation #temp {pack_namespace}.rng -= out {pack_namespace}.rng
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scoreboard players operation #temp {pack_namespace}.rng += #m1 {pack_namespace}.rng
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execute if score #temp {pack_namespace}.rng matches ..-1 run function {pack_namespace}:rng/next_int_lcg""")
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with open(f"{pack_name}/data/{pack_namespace}/functions/rng/range_lcg.mcfunction", "w") as f:
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f.write(f"""scoreboard players add in1 {pack_namespace}.rng 1
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scoreboard players operation #range {pack_namespace}.rng = in1 {pack_namespace}.rng
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scoreboard players operation #range {pack_namespace}.rng -= in {pack_namespace}.rng
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scoreboard players operation #m1 {pack_namespace}.rng = #range {pack_namespace}.rng
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scoreboard players remove #m1 {pack_namespace}.rng 1
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function {pack_namespace}:rng/next_int_lcg
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scoreboard players operation out {pack_namespace}.rng += in {pack_namespace}.rng
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scoreboard players reset #m1 {pack_namespace}.rng
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scoreboard players remove in1 {pack_namespace}.rng 1""")
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with open(f"{pack_name}/data/{pack_namespace}/functions/rng/setup.mcfunction", "w") as f:
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f.write(f"""scoreboard objectives add {pack_namespace}.rng dummy
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scoreboard players set in {pack_namespace}.rng -100
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scoreboard players set in1 {pack_namespace}.rng 100
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scoreboard players set #lcg_constant {pack_namespace}.rng 1103515245
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execute unless score #lcg {pack_namespace}.rng matches ..0 unless score #lcg {pack_namespace}.rng matches 1.. run function {pack_namespace}:rng/uuid_reset""")
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with open(f"{pack_name}/data/{pack_namespace}/functions/rng/uuid_reset.mcfunction", "w") as f:
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# UUID data storage changed in 1.16+
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insert = "UUID[0] 1"
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if ver < 6 :
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insert = "UUIDMost 0.00000000023283064365386962890625"
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f.write(f"""summon area_effect_cloud ~ ~ ~ {{Tags:["get_uuid"]}}
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execute store result score #lcg {pack_namespace}.rng run data get entity @e[tag=get_uuid,limit=1] {insert}
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kill @e[tag=get_uuid]""")
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with open(f"{pack_name}/data/{pack_namespace}/functions/load.mcfunction", "r") as f:
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f_remp = f.read()
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with open(f"{pack_name}/data/{pack_namespace}/functions/load.mcfunction", "w") as f:
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f.write(f"{f_remp}\n\nfunction {pack_namespace}:rng/setup")
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print("\n -- Thank you for using Datapack Generator by RoarkCats --\n")
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pack_name = input(" Datapack Name: ")
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pack_namespace = input(" Datapack Namespace: ")
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pack_author = input(" Datapack Author: ")
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pack_ver = input(" Datapack Version: ")
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pack_rng = input(" Import Rng? (y/n) ")
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try :
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pack_ver = int(pack_ver)
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except :
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pack_ver = 10
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proc_time_start = time.process_time()
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print("\n Generating folders...")
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os.makedirs(f"./{pack_name}/data/minecraft/tags/functions/")
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os.makedirs(f"./{pack_name}/data/{pack_namespace}/functions/")
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print(" Generating files...")
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with open(f"{pack_name}/pack.mcmeta", "w") as f:
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f.write(f"""{{
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\"pack\": {{
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\"pack_format\": {pack_ver},
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\"description\": \"{pack_name} by {pack_author}\"
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}}
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}}""")
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with open(f"{pack_name}/data/minecraft/tags/functions/tick.json", "w") as f:
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f.write(f"""{{
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\"values\":[
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\"{pack_namespace}:main\"
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]
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}}""")
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with open(f"{pack_name}/data/minecraft/tags/functions/load.json", "w") as f:
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f.write(f"""{{
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\"values\":[
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\"{pack_namespace}:load\"
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]
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}}""")
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with open(f"{pack_name}/data/{pack_namespace}/functions/main.mcfunction", "w") as f:
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f.write("")
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with open(f"{pack_name}/data/{pack_namespace}/functions/load.mcfunction", "w") as f:
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f.write(f"tellraw @a {{\"text\":\"Thank you for downloading {pack_name} by {pack_author}!\",\"color\":\"gold\"}}")
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if pack_rng == "y":
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import_rng(pack_ver)
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proc_time_end = time.process_time()
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print(f" Done! ({(proc_time_end - proc_time_start)*1000} ms)")
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input()

‎go.mod‎

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module datapack_generator
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go 1.24.5

‎input.go‎

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package main
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import "fmt"
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func InputType[T any](prefix string, vartype string) (out T) {
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fmt.Print(prefix)
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_, err := fmt.Scanf(vartype+"\n", &out)
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if err != nil && err.Error() != "unexpected newline" {
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panic(err)
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}
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return out
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}
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func Input(prefix string) (out string) {
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return fmt.Sprint(InputType[string](prefix, "%s"))
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}

‎main.go‎

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package main
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import (
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"embed"
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"fmt"
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"os"
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s "strings"
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)
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//go:embed templates/*
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var templates embed.FS
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var version = "2.0.0"
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func main() {
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fmt.Printf("\n -- Welcome to Datapack Generator %s by RoarkCats --\n", version)
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pack_name := Input(" Datapack Name: ")
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pack_namespace := Input(" Datapack Namespace: ")
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pack_author := Input(" Datapack Author: ")
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pack_ver := getVer()
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if pack_ver < 18 && s.ToLower(Input(" Import Rng? (y/n) ")) == "y" {
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// make rng
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}
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fmt.Printf("%s %s %s %d", pack_name, pack_namespace, pack_author, pack_ver)
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dat, err := os.ReadFile("./wah.txt")
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if err != nil {
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// panic(err)
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} else {
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fmt.Println(string(dat))
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}
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// for compilation
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// fmt.Scanf("%s")
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}
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// Get pack format from "version" (MC or format)
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func getVer() (version int) {
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ver := Input(" Version: ")
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// basic format number
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_, err := fmt.Sscanf(ver, "%d ", &version)
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if err == nil {
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return version
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}
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var minor, patch int
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// '1.x' version
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_, err = fmt.Sscanf(ver, "1.%d ", &minor)
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if err == nil {
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version = map[int]int{
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13: 4, 14: 4,
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15: 5, 16: 5,
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17: 7,
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18: 8,
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19: 10,
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20: 15,
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}[minor]
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return version
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}
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// 1.x.y version
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_, err = fmt.Sscanf(ver, "1.%d.%d ", &minor, &patch)
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if err == nil {
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version = map[int]int{
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1301: 4, 1302: 4, 1401: 4, 1402: 4, 1403: 4, 1404: 4,
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1501: 5, 1502: 5, 1601: 5,
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1602: 6, 1603: 6, 1604: 6, 1605: 6,
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1701: 7,
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1801: 8,
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1802: 9,
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1901: 10, 1902: 10, 1903: 10,
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1904: 12,
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2001: 15,
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2002: 18,
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2003: 26, 2004: 26,
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2005: 41, 2006: 41,
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2101: 48,
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2102: 57, 2103: 57,
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2104: 61,
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2105: 71,
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2106: 80,
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2107: 81, 2108: 81,
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}[minor*100+patch]
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return version
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}
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return 81
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}

‎templates/load.json‎

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{
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"values":[
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"%namespace%:load"
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]
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}

‎templates/load.mcfunction‎

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tellraw @a {"text":"Thank you for downloading %packname% by %author%!","color":"gold"}
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function %namespace%:rng/setup

‎templates/main.mcfunction‎

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‎templates/pack.mcmeta‎

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{
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"pack": {
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"pack_format": %format%,
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"description": "%packname% by %author%"
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}
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}

‎templates/rng/lcg.mcfunction‎

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# LCG Seed implementation
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#
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# x_(n+1) = x_(n)*a + c
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#
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# a = 1103515245, c = 12345
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scoreboard players operation #lcg %namespace%.rng *= #lcg_constant %namespace%.rng
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scoreboard players add #lcg %namespace%.rng 12345
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scoreboard players operation out %namespace%.rng = #lcg %namespace%.rng

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