Minecraft guides — page 3

Practical write-ups on commands, datapacks, building and server performance — each one paired with the tool that does the work.

Commands & Data Building & Resources Server & Performance Troubleshooting

A map pixel is one byte, and two of its bits are brightness

61 base colours × 4 shades = 244 colours from a 16,384-byte array. Only one of the four shades is the block's real colour; the other three are darkened to 86%, 71% and 53%.

Gold is the fastest tool in Minecraft, and netherite is only 12% faster than diamond

Tool speed multipliers run 1, 2, 4, 6, 8, 9 — and gold sits at 12, above netherite. The upgrade you grind for is the smallest step on the ladder.

Negative coordinates break chunk maths in two places, not one

Truncating division puts block −1 in chunk 0 instead of −1, and a plain % gives an in-chunk offset of −1 instead of 15. Both are off, and both look right until you go west of spawn.

Only the head is a cube — every other papercraft part is three different rectangles

Six parts, 36 faces, 1,632 square skin-pixels of paper. The head's six faces are identical; the body's come in three sizes; the arms and legs in two. That decides how each net folds.

Painting sizes: 34 of the 51 are square, and only 5 are taller than they are wide

51 paintings across 9 sizes, needing 321 blocks of wall to hang them all. A 1-wide, 2-tall gap fits exactly three of them — and five paintings credit no artist at all.

Potions cover 19 of 40 effects — and four potions are not named after what they do

21 status effects have no potion at all. Swiftness gives Speed, Leaping gives Jump Boost, Healing gives Instant Health — and /give and /effect need the different names.

1,585 recipes and 794 tags: stonecutting is a fifth of them, and one tag holds 417 blocks

26.2 ships 21 recipe types, and crafting is not as dominant as it feels. On the tag side, mineable/pickaxe alone covers 417 blocks and no vanilla tag uses replace.

Recipe yields round up, so a crafting cost is never just multiplication

Paper makes 3 per craft. Needing 4 costs you 6 sugar cane and leaves 2 paper spare. Every level of a recipe tree does that, and the waste compounds downward.

Six version options, four world generators — three of them are the same world

26.1, 26.2 and 26.x all resolve to one generator, so a seed gives identical terrain in all three. But 1.21.0 and 1.21 do not, and that catches people mid-line.

Recolouring the sky is six files — and all eight moon phases are one of them

A sky pack replaces sun.png, moon_phases.png, clouds.png, rain.png, snow.png and end_sky.png at exact sizes. The moon is a single 128×64 strip, not eight textures.