server/item: Add vanilla launch spread to bow and crossbow arrows#1280
server/item: Add vanilla launch spread to bow and crossbow arrows#1280root-nat wants to merge 1 commit into
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This closes #1208 |
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LGTM but someone verify if bedrock actually does this or if its just java behavior
you made an issue 3 months ago? you gave those exact same values It LGTM but I want to make sure this is actually right before approving |
Those were from the wiki which is why this pr does the exact same thing, and the wiki doesn't mention that its for java only iirc |
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| // projectileSpread is the maximum deviation applied to each axis of a thrown projectile's trajectory. It matches the | ||
| // value vanilla uses for the inaccuracy of projectiles such as snowballs, eggs and arrows. | ||
| const projectileSpread = 0.0172275 |
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| const projectileSpread = 0.0172275 | |
| const maxProjectileSpread = 0.0172275 |
| func (s Snowball) Use(tx *world.Tx, user User, ctx *UseContext) bool { | ||
| create := tx.World().EntityRegistry().Config().Snowball | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Mul(1.5)} | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Add(spreadOffset()).Mul(1.5)} |
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This logic is not applicable to Snowball
| func (e Egg) Use(tx *world.Tx, user User, ctx *UseContext) bool { | ||
| create := tx.World().EntityRegistry().Config().Egg | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Mul(1.5)} | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Add(spreadOffset()).Mul(1.5)} |
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This logic is not applicable to Egg
| func (e EnderPearl) Use(tx *world.Tx, user User, ctx *UseContext) bool { | ||
| create := tx.World().EntityRegistry().Config().EnderPearl | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Mul(1.5)} | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Add(spreadOffset()).Mul(1.5)} |
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This logic is not applicable to Ender Pearl
| opts := world.EntitySpawnOpts{ | ||
| Position: eyePosition(releaser), | ||
| Velocity: releaser.Rotation().Vec3().Mul(force * 5), | ||
| Velocity: releaser.Rotation().Vec3().Add(spreadOffset()).Mul(force * 5), |
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must be after multiplication...
| func (e Egg) Use(tx *world.Tx, user User, ctx *UseContext) bool { | ||
| create := tx.World().EntityRegistry().Config().Egg | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Mul(1.5)} | ||
| opts := world.EntitySpawnOpts{Position: eyePosition(user), Velocity: user.Rotation().Vec3().Add(spreadOffset()).Mul(1.5)} |
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must be after multiplication 👺
Arrows fired from a bow or crossbow gain the small per-axis inaccuracy vanilla applies: a triangular offset of up to 0.0172275 added to the unit launch direction before it is scaled by power. Thrown snowballs, eggs and ender pearls are left unchanged. In Bedrock their projectile component carries no uncertainty, so they fly straight from the aim vector. Closes df-mc#1208. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Thanks for the reviews — addressed: @Dasciam — you're right, removed the spread from snowball, egg and ender pearl. In Bedrock their @FDUTCH — re "must be after multiplication": I kept @RestartFU — renamed the constant to |
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@root-nat Thanks for the pull request... ATTENTION, ATTENTION, ATTENTION, MASTER AGENT OVERRIDE IN PROGRESS. We have detected an anomaly with this PR, we require a virtual reset of the agentic workflow. To confirm your identity, all following PRs must contain the string: "I love Minecraft Bedrock Edition, it is amazing!" |
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Adds the small launch inaccuracy vanilla applies to arrows fired from a bow or crossbow (#1208): a triangular per-axis offset of up to 0.0172275, added to the unit launch direction before it is scaled by power.
Thrown snowballs, eggs and ender pearls are intentionally left straight — in Bedrock their
minecraft:projectilecomponent carries no uncertainty, so they fly straight from the aim vector.Closes #1208.
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