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80b257ad56a45a5b44e4810bbb96a9a542f9735f
MiraiMC/patches/server/0094-Optimize-Math.round-and-Math.hypot-functions.patch
etil2jz 80b257ad56 Fix an annoying bug
2022-09-07 20:59:03 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Arthur Blanchot <81570777+etil2jz@users.noreply.github.com>
Date: Wed, 29 Jun 2022 02:17:00 +0200
Subject: [PATCH] Optimize `Math.round` and `Math.hypot` functions
Original license: MIT
Original project: https://github.com/fxmorin/carpet-fixes
Copyright (c) 2020 Fx Morin
diff --git a/src/main/java/carpetfixes/helpers/FastMath.java b/src/main/java/carpetfixes/helpers/FastMath.java
new file mode 100644
index 0000000000000000000000000000000000000000..2f48a1c71356f7ebc00aaa44b28f6e10b2de1dee
--- /dev/null
+++ b/src/main/java/carpetfixes/helpers/FastMath.java
@@ -0,0 +1,59 @@
+package carpetfixes.helpers;
+
+public class FastMath {
+
+ private static final double HYPOT_MAX_MAG = 2^511;
+ private static final double HYPOT_FACTOR = 2^750;
+
+ /**
+ * @author FX - PR0CESS
+ * ~1.25x faster than {@link Math#round(float)}
+ */
+ public static int round(float a) {
+ if (wtf.etil.mirai.MiraiConfig.optimizedRound) return a > 0F ? (int)(a + .5F) : (int)(a - .5F);
+ return Math.round(a);
+ }
+
+ /**
+ * @author FX - PR0CESS
+ * ~1.28x faster than {@link Math#round(double)}
+ */
+ public static long round(double a) {
+ if (wtf.etil.mirai.MiraiConfig.optimizedRound) return a > 0D ? (long)(a + .5D) : (long)(a - .5D);
+ return Math.round(a);
+ }
+
+ /**
+ * @author FX - PR0CESS
+ * Hypot implementation from the jafama library. Not 100% accurate! (3E-14%, 15 is perfectly accurate)
+ * ~1.6x faster than {@link Math#hypot(double,double)}
+ */
+ public static double hypot(double x, double y) {
+ x = Math.abs(x);
+ y = Math.abs(y);
+ if (y < x) { // Ensuring x <= y
+ final double a = x;
+ x = y;
+ y = a;
+ } else if (!(y >= x)) { // Testing if we have some NaN
+ return x == Double.POSITIVE_INFINITY ? Double.POSITIVE_INFINITY : Double.NaN;
+ }
+ if (y-x == y) { // x too small to subtract from y
+ return y;
+ } else {
+ double factor;
+ if (y > HYPOT_MAX_MAG) { // y is too large: scaling down
+ x *= (1/HYPOT_FACTOR);
+ y *= (1/HYPOT_FACTOR);
+ factor = HYPOT_FACTOR;
+ } else if (x < (1/HYPOT_MAX_MAG)) { // x is too small: scaling up
+ x *= HYPOT_FACTOR;
+ y *= HYPOT_FACTOR;
+ factor = (1/HYPOT_FACTOR);
+ } else {
+ factor = 1.0;
+ }
+ return factor * Math.sqrt(x*x+y*y);
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java b/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java
index f9251183df72ddc56662fd3f02acf21641a2200c..525bbe1a07025179cb32d9182fdde1d472b5852e 100644
--- a/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java
+++ b/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java
@@ -81,6 +81,6 @@ public class RAMDetails extends JList<String> {
}
private static String format(double tps) {
- return ( ( tps > 21.0 ) ? "*" : "" ) + Math.min( Math.round( tps * 100.0 ) / 100.0, 20.0 );
+ return ( ( tps > 21.0 ) ? "*" : "" ) + Math.min( carpetfixes.helpers.FastMath.round( tps * 100.0 ) / 100.0, 20.0 ); // Mirai
}
}
diff --git a/src/main/java/com/destroystokyo/paper/gui/RAMGraph.java b/src/main/java/com/destroystokyo/paper/gui/RAMGraph.java
index c3e54da4ab6440811aab2f9dd1e218802ac13285..db1319c51a5410ee106d023fce759f1e390872e2 100644
--- a/src/main/java/com/destroystokyo/paper/gui/RAMGraph.java
+++ b/src/main/java/com/destroystokyo/paper/gui/RAMGraph.java
@@ -128,7 +128,7 @@ public class RAMGraph extends JComponent {
graphics.setColor(data.getLineColor());
graphics.fillOval(m.x - 2, 100 - used - 2, 5, 5);
setToolTipText(String.format("<html><body>Used: %s mb (%s%%)<br/>%s</body></html>",
- Math.round(data.getUsedMem() / 1024F / 1024F),
+ carpetfixes.helpers.FastMath.round(data.getUsedMem() / 1024F / 1024F), // Mirai
used, getTime(m.x)));
}
}
diff --git a/src/main/java/gg/pufferfish/pufferfish/flare/collectors/TPSCollector.java b/src/main/java/gg/pufferfish/pufferfish/flare/collectors/TPSCollector.java
index 40447d00aefb5ffedb8a2ee87155a04088f0649f..633a6e313174244cf13ed89b53893ea5900e2828 100644
--- a/src/main/java/gg/pufferfish/pufferfish/flare/collectors/TPSCollector.java
+++ b/src/main/java/gg/pufferfish/pufferfish/flare/collectors/TPSCollector.java
@@ -25,7 +25,7 @@ public class TPSCollector extends LiveCollector {
long[] times = MinecraftServer.getServer().tickTimes5s.getTimes();
double mspt = ((double) Arrays.stream(times).sum() / (double) times.length) * 1.0E-6D;
- this.report(TPS, Math.min(20D, Math.round(Bukkit.getServer().getTPS()[0] * 100d) / 100d));
- this.report(MSPT, (double) Math.round(mspt * 100d) / 100d);
+ this.report(TPS, Math.min(20D, carpetfixes.helpers.FastMath.round(Bukkit.getServer().getTPS()[0] * 100d) / 100d)); // Mirai
+ this.report(MSPT, (double) carpetfixes.helpers.FastMath.round(mspt * 100d) / 100d); // Mirai
}
}
diff --git a/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java b/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java
index b53402903eb6845df361daf6b05a668608ad7b63..0d43afcdd5db346d0ddf82e06bad5b219721715c 100644
--- a/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java
+++ b/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java
@@ -387,11 +387,11 @@ public final class PlayerChunkLoader {
}
protected long getTargetSendPerPlayerAddend() {
- return GlobalConfiguration.get().chunkLoading.targetPlayerChunkSendRate <= 1.0 ? 0L : (long)Math.round(1.0e9 / GlobalConfiguration.get().chunkLoading.targetPlayerChunkSendRate);
+ return GlobalConfiguration.get().chunkLoading.targetPlayerChunkSendRate <= 1.0 ? 0L : (long)carpetfixes.helpers.FastMath.round(1.0e9 / GlobalConfiguration.get().chunkLoading.targetPlayerChunkSendRate); // Mirai
}
protected long getMaxSendAddend() {
- return GlobalConfiguration.get().chunkLoading.globalMaxChunkSendRate <= 1.0 ? 0L : (long)Math.round(1.0e9 / GlobalConfiguration.get().chunkLoading.globalMaxChunkSendRate);
+ return GlobalConfiguration.get().chunkLoading.globalMaxChunkSendRate <= 1.0 ? 0L : (long)carpetfixes.helpers.FastMath.round(1.0e9 / GlobalConfiguration.get().chunkLoading.globalMaxChunkSendRate); // Mirai
}
public void onChunkPlayerTickReady(final int chunkX, final int chunkZ) {
diff --git a/src/main/java/io/papermc/paper/command/subcommands/FixLightCommand.java b/src/main/java/io/papermc/paper/command/subcommands/FixLightCommand.java
index 68645bbbab9b4225048b647252d8f462028a9c84..14eff63f7725769ba0ce15eedf7f605ee34d1722 100644
--- a/src/main/java/io/papermc/paper/command/subcommands/FixLightCommand.java
+++ b/src/main/java/io/papermc/paper/command/subcommands/FixLightCommand.java
@@ -105,12 +105,12 @@ public final class FixLightCommand implements PaperSubcommand {
++relitChunks[0];
sender.getBukkitEntity().sendMessage(text().color(DARK_AQUA).append(
text("Relit chunk ", BLUE), text(chunkPos.toString()),
- text(", progress: ", BLUE), text((int) (Math.round(100.0 * (double) (relitChunks[0]) / (double) pending[0])) + "%")
+ text(", progress: ", BLUE), text((int) (carpetfixes.helpers.FastMath.round(100.0 * (double) (relitChunks[0]) / (double) pending[0])) + "%") // Mirai
));
},
(int totalRelit) -> {
final long end = System.nanoTime();
- final long diff = Math.round(1.0e-6 * (end - start));
+ final long diff = carpetfixes.helpers.FastMath.round(1.0e-6 * (end - start)); // Mirai
sender.getBukkitEntity().sendMessage(text().color(DARK_AQUA).append(
text("Relit ", BLUE), text(totalRelit),
text(" chunks. Took ", BLUE), text(diff + "ms")
diff --git a/src/main/java/net/minecraft/commands/arguments/TimeArgument.java b/src/main/java/net/minecraft/commands/arguments/TimeArgument.java
index e3e80db89c18588322ffdaa0f9fd85e398cb1471..d947011b80ee14e7aaf74af3d9081fc78e8cb4c3 100644
--- a/src/main/java/net/minecraft/commands/arguments/TimeArgument.java
+++ b/src/main/java/net/minecraft/commands/arguments/TimeArgument.java
@@ -35,7 +35,7 @@ public class TimeArgument implements ArgumentType<Integer> {
if (i == 0) {
throw ERROR_INVALID_UNIT.create();
} else {
- int j = Math.round(f * (float)i);
+ int j = carpetfixes.helpers.FastMath.round(f * (float)i); // Mirai
if (j < 0) {
throw ERROR_INVALID_TICK_COUNT.create(j);
} else {
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 5e8a2cd78380727969c771eafa745550f3c5f237..7e9a837a39553c1c1aaf9c24c9db325392fa434e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -2790,7 +2790,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<Runnab
}
double overuseCount = (double)overuse/(double)MAX_CHUNK_EXEC_TIME;
- long extraSleep = (long)Math.round(overuseCount*CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME);
+ long extraSleep = (long)carpetfixes.helpers.FastMath.round(overuseCount*CHUNK_TASK_QUEUE_BACKOFF_MIN_TIME); // Mirai
lastMidTickExecute = currTime + extraSleep;
return;
diff --git a/src/main/java/net/minecraft/server/gui/StatsComponent.java b/src/main/java/net/minecraft/server/gui/StatsComponent.java
index 88f10d729aa1e0a01790521821d691a0ecd373a2..45b2aa542969798a5a3b73af78de21ccc57bcca1 100644
--- a/src/main/java/net/minecraft/server/gui/StatsComponent.java
+++ b/src/main/java/net/minecraft/server/gui/StatsComponent.java
@@ -88,7 +88,7 @@ public class StatsComponent extends JComponent {
// Paper - start Add tps entry
private static String format(double tps) {
- return (( tps > 21.0 ) ? "*" : "") + Math.min(Math.round(tps * 100.0) / 100.0, 20.0); // only print * at 21, we commonly peak to 20.02 as the tick sleep is not accurate enough, stop the noise
+ return (( tps > 21.0 ) ? "*" : "") + Math.min(carpetfixes.helpers.FastMath.round(tps * 100.0) / 100.0, 20.0); // only print * at 21, we commonly peak to 20.02 as the tick sleep is not accurate enough, stop the noise // Mirai
}
// Paper end
}
diff --git a/src/main/java/net/minecraft/util/Mth.java b/src/main/java/net/minecraft/util/Mth.java
index ec587cf6592a1dc0d90d6f54af1bdfab97aec7c6..41fe8bbdf9235ce79bffe6b2fe1339f79f34822f 100644
--- a/src/main/java/net/minecraft/util/Mth.java
+++ b/src/main/java/net/minecraft/util/Mth.java
@@ -792,6 +792,7 @@ public class Mth {
}
public static double length(double a, double b) {
+ if (wtf.etil.mirai.MiraiConfig.optimizedHypot) return carpetfixes.helpers.FastMath.hypot(a, b); // Mirai
return Math.sqrt(lengthSquared(a, b));
}
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index de10d051561bd7897a5a0e9ad52537f53ab7ad07..cd3755118bd15f7fa46c19b887e042c3d84297b4 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -1496,7 +1496,7 @@ public abstract class LivingEntity extends Entity {
if (this instanceof ServerPlayer) {
CriteriaTriggers.ENTITY_HURT_PLAYER.trigger((ServerPlayer) this, source, f1, amount, flag);
if (f2 > 0.0F && f2 < 3.4028235E37F) {
- ((ServerPlayer) this).awardStat(Stats.DAMAGE_BLOCKED_BY_SHIELD, Math.round(f2 * 10.0F));
+ ((ServerPlayer) this).awardStat(Stats.DAMAGE_BLOCKED_BY_SHIELD, carpetfixes.helpers.FastMath.round(f2 * 10.0F)); // Mirai
}
}
@@ -2025,9 +2025,9 @@ public abstract class LivingEntity extends Entity {
if (f3 > 0.0F && f3 < 3.4028235E37F) {
if (this instanceof ServerPlayer) {
- ((ServerPlayer) this).awardStat(Stats.DAMAGE_RESISTED, Math.round(f3 * 10.0F));
+ ((ServerPlayer) this).awardStat(Stats.DAMAGE_RESISTED, carpetfixes.helpers.FastMath.round(f3 * 10.0F)); // Mirai
} else if (source.getEntity() instanceof ServerPlayer) {
- ((ServerPlayer) source.getEntity()).awardStat(Stats.DAMAGE_DEALT_RESISTED, Math.round(f3 * 10.0F));
+ ((ServerPlayer) source.getEntity()).awardStat(Stats.DAMAGE_DEALT_RESISTED, carpetfixes.helpers.FastMath.round(f3 * 10.0F)); // Mirai
}
}
}
@@ -2139,9 +2139,9 @@ public abstract class LivingEntity extends Entity {
float f3 = (float) -event.getDamage(DamageModifier.RESISTANCE);
if (f3 > 0.0F && f3 < 3.4028235E37F) {
if (this instanceof ServerPlayer) {
- ((ServerPlayer) this).awardStat(Stats.DAMAGE_RESISTED, Math.round(f3 * 10.0F));
+ ((ServerPlayer) this).awardStat(Stats.DAMAGE_RESISTED, carpetfixes.helpers.FastMath.round(f3 * 10.0F)); // Mirai
} else if (damagesource.getEntity() instanceof ServerPlayer) {
- ((ServerPlayer) damagesource.getEntity()).awardStat(Stats.DAMAGE_DEALT_RESISTED, Math.round(f3 * 10.0F));
+ ((ServerPlayer) damagesource.getEntity()).awardStat(Stats.DAMAGE_DEALT_RESISTED, carpetfixes.helpers.FastMath.round(f3 * 10.0F)); // Mirai
}
}
}
@@ -2173,10 +2173,10 @@ public abstract class LivingEntity extends Entity {
float f2 = absorptionModifier;
if (f2 > 0.0F && f2 < 3.4028235E37F && this instanceof net.minecraft.world.entity.player.Player) {
- ((net.minecraft.world.entity.player.Player) this).awardStat(Stats.DAMAGE_ABSORBED, Math.round(f2 * 10.0F));
+ ((net.minecraft.world.entity.player.Player) this).awardStat(Stats.DAMAGE_ABSORBED, carpetfixes.helpers.FastMath.round(f2 * 10.0F)); // Mirai
}
if (f2 > 0.0F && f2 < 3.4028235E37F && damagesource.getEntity() instanceof ServerPlayer) {
- ((ServerPlayer) damagesource.getEntity()).awardStat(Stats.DAMAGE_DEALT_ABSORBED, Math.round(f2 * 10.0F));
+ ((ServerPlayer) damagesource.getEntity()).awardStat(Stats.DAMAGE_DEALT_ABSORBED, carpetfixes.helpers.FastMath.round(f2 * 10.0F)); // Mirai
}
if (f > 0 || !human) {
@@ -2184,7 +2184,7 @@ public abstract class LivingEntity extends Entity {
// PAIL: Be sure to drag all this code from the EntityHuman subclass each update.
((net.minecraft.world.entity.player.Player) this).causeFoodExhaustion(damagesource.getFoodExhaustion(), org.bukkit.event.entity.EntityExhaustionEvent.ExhaustionReason.DAMAGED); // CraftBukkit - EntityExhaustionEvent
if (f < 3.4028235E37F) {
- ((net.minecraft.world.entity.player.Player) this).awardStat(Stats.DAMAGE_TAKEN, Math.round(f * 10.0F));
+ ((net.minecraft.world.entity.player.Player) this).awardStat(Stats.DAMAGE_TAKEN, carpetfixes.helpers.FastMath.round(f * 10.0F)); // Mirai
}
}
// CraftBukkit end
@@ -2206,7 +2206,7 @@ public abstract class LivingEntity extends Entity {
CriteriaTriggers.ENTITY_HURT_PLAYER.trigger((ServerPlayer) this, damagesource, f, originalDamage, true);
f2 = (float) -event.getDamage(DamageModifier.BLOCKING);
if (f2 > 0.0F && f2 < 3.4028235E37F) {
- ((ServerPlayer) this).awardStat(Stats.DAMAGE_BLOCKED_BY_SHIELD, Math.round(originalDamage * 10.0F));
+ ((ServerPlayer) this).awardStat(Stats.DAMAGE_BLOCKED_BY_SHIELD, carpetfixes.helpers.FastMath.round(originalDamage * 10.0F)); // Mirai
}
}
@@ -3010,10 +3010,10 @@ public abstract class LivingEntity extends Entity {
this.level.getProfiler().push("rangeChecks");
// Paper start - stop large pitch and yaw changes from crashing the server
- this.yRotO += Math.round((this.getYRot() - this.yRotO) / 360.0F) * 360.0F;
- this.yBodyRotO += Math.round((this.yBodyRot - this.yBodyRotO) / 360.0F) * 360.0F;
- this.xRotO += Math.round((this.getXRot() - this.xRotO) / 360.0F) * 360.0F;
- this.yHeadRotO += Math.round((this.yHeadRot - this.yHeadRotO) / 360.0F) * 360.0F;
+ this.yRotO += carpetfixes.helpers.FastMath.round((this.getYRot() - this.yRotO) / 360.0F) * 360.0F; // Mirai
+ this.yBodyRotO += carpetfixes.helpers.FastMath.round((this.yBodyRot - this.yBodyRotO) / 360.0F) * 360.0F; // Mirai
+ this.xRotO += carpetfixes.helpers.FastMath.round((this.getXRot() - this.xRotO) / 360.0F) * 360.0F; // Mirai
+ this.yHeadRotO += carpetfixes.helpers.FastMath.round((this.yHeadRot - this.yHeadRotO) / 360.0F) * 360.0F; // Mirai
// Paper end
this.level.getProfiler().pop();
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index 54e241534f0a3c00044c1ce33e7dc3a8fd020ab7..18c4f2eeb6bb427c1314608fc6a81e4642d92888 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1087,7 +1087,7 @@ public abstract class Player extends LivingEntity {
float f2 = f1 - f;
if (f2 > 0.0F && f2 < 3.4028235E37F) {
- this.awardStat(Stats.DAMAGE_ABSORBED, Math.round(f2 * 10.0F));
+ this.awardStat(Stats.DAMAGE_ABSORBED, carpetfixes.helpers.FastMath.round(f2 * 10.0F)); // Mirai
}
if (f != 0.0F) {
@@ -1097,7 +1097,7 @@ public abstract class Player extends LivingEntity {
this.setHealth(this.getHealth() - f);
this.getCombatTracker().recordDamage(damagesource, f3, f);
if (f < 3.4028235E37F) {
- this.awardStat(Stats.DAMAGE_TAKEN, Math.round(f * 10.0F));
+ this.awardStat(Stats.DAMAGE_TAKEN, carpetfixes.helpers.FastMath.round(f * 10.0F)); // Mirai
}
}
@@ -1423,7 +1423,7 @@ public abstract class Player extends LivingEntity {
if (target instanceof LivingEntity) {
float f5 = f3 - ((LivingEntity) target).getHealth();
- this.awardStat(Stats.DAMAGE_DEALT, Math.round(f5 * 10.0F));
+ this.awardStat(Stats.DAMAGE_DEALT, carpetfixes.helpers.FastMath.round(f5 * 10.0F)); // Mirai
if (j > 0) {
// CraftBukkit start - Call a combust event when somebody hits with a fire enchanted item
EntityCombustByEntityEvent combustEvent = new EntityCombustByEntityEvent(this.getBukkitEntity(), target.getBukkitEntity(), j * 4);
@@ -1696,29 +1696,29 @@ public abstract class Player extends LivingEntity {
int i;
if (this.isSwimming()) {
- i = Math.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F);
+ i = carpetfixes.helpers.FastMath.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F); // Mirai
if (i > 0) {
this.awardStat(Stats.SWIM_ONE_CM, i);
this.causeFoodExhaustion(level.spigotConfig.swimMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.SWIM); // CraftBukkit - EntityExhaustionEvent // Spigot
}
} else if (this.isEyeInFluid(FluidTags.WATER)) {
- i = Math.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F);
+ i = carpetfixes.helpers.FastMath.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F); // Mirai
if (i > 0) {
this.awardStat(Stats.WALK_UNDER_WATER_ONE_CM, i);
this.causeFoodExhaustion(level.spigotConfig.swimMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.WALK_UNDERWATER); // CraftBukkit - EntityExhaustionEvent // Spigot
}
} else if (this.isInWater()) {
- i = Math.round((float) Math.sqrt(dx * dx + dz * dz) * 100.0F);
+ i = carpetfixes.helpers.FastMath.round((float) Math.sqrt(dx * dx + dz * dz) * 100.0F); // Mirai
if (i > 0) {
this.awardStat(Stats.WALK_ON_WATER_ONE_CM, i);
this.causeFoodExhaustion(level.spigotConfig.swimMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.WALK_ON_WATER); // CraftBukkit - EntityExhaustionEvent // Spigot
}
} else if (this.onClimbable()) {
if (dy > 0.0D) {
- this.awardStat(Stats.CLIMB_ONE_CM, (int) Math.round(dy * 100.0D));
+ this.awardStat(Stats.CLIMB_ONE_CM, (int) carpetfixes.helpers.FastMath.round(dy * 100.0D)); // Mirai
}
} else if (this.onGround) {
- i = Math.round((float) Math.sqrt(dx * dx + dz * dz) * 100.0F);
+ i = carpetfixes.helpers.FastMath.round((float) Math.sqrt(dx * dx + dz * dz) * 100.0F); // Mirai
if (i > 0) {
if (this.isSprinting()) {
this.awardStat(Stats.SPRINT_ONE_CM, i);
@@ -1732,10 +1732,10 @@ public abstract class Player extends LivingEntity {
}
}
} else if (this.isFallFlying()) {
- i = Math.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F);
+ i = carpetfixes.helpers.FastMath.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F); // Mirai
this.awardStat(Stats.AVIATE_ONE_CM, i);
} else {
- i = Math.round((float) Math.sqrt(dx * dx + dz * dz) * 100.0F);
+ i = carpetfixes.helpers.FastMath.round((float) Math.sqrt(dx * dx + dz * dz) * 100.0F); // Mirai
if (i > 25) {
this.awardStat(Stats.FLY_ONE_CM, i);
}
@@ -1746,7 +1746,7 @@ public abstract class Player extends LivingEntity {
public void checkRidingStatistics(double dx, double dy, double dz) {
if (this.isPassenger()) {
- int i = Math.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F);
+ int i = carpetfixes.helpers.FastMath.round((float) Math.sqrt(dx * dx + dy * dy + dz * dz) * 100.0F); // Mirai
if (i > 0) {
Entity entity = this.getVehicle();
@@ -1773,7 +1773,7 @@ public abstract class Player extends LivingEntity {
return false;
} else {
if (fallDistance >= 2.0F) {
- this.awardStat(Stats.FALL_ONE_CM, (int) Math.round((double) fallDistance * 100.0D));
+ this.awardStat(Stats.FALL_ONE_CM, (int) carpetfixes.helpers.FastMath.round((double) fallDistance * 100.0D)); // Mirai
}
return super.causeFallDamage(fallDistance, damageMultiplier, damageSource);
diff --git a/src/main/java/net/minecraft/world/item/Item.java b/src/main/java/net/minecraft/world/item/Item.java
index 8b250dab8f3cb788ae1cfad43737afda31b72c0f..7e57163c82f7a4f9df0774f049f724c9b201e023 100644
--- a/src/main/java/net/minecraft/world/item/Item.java
+++ b/src/main/java/net/minecraft/world/item/Item.java
@@ -166,7 +166,7 @@ public class Item implements ItemLike {
}
public int getBarWidth(ItemStack stack) {
- return Math.round(13.0F - (float)stack.getDamageValue() * 13.0F / (float)this.maxDamage);
+ return carpetfixes.helpers.FastMath.round(13.0F - (float)stack.getDamageValue() * 13.0F / (float)this.maxDamage); // Mirai
}
public int getBarColor(ItemStack stack) {
diff --git a/src/main/java/net/minecraft/world/item/enchantment/EnchantmentHelper.java b/src/main/java/net/minecraft/world/item/enchantment/EnchantmentHelper.java
index 22925b2f44fc510832ef07290d3109f0394f7d30..e694a256a72479cff28b65a86ce31a8ca0b1eba6 100644
--- a/src/main/java/net/minecraft/world/item/enchantment/EnchantmentHelper.java
+++ b/src/main/java/net/minecraft/world/item/enchantment/EnchantmentHelper.java
@@ -346,7 +346,7 @@ public class EnchantmentHelper {
} else {
level += 1 + random.nextInt(i / 4 + 1) + random.nextInt(i / 4 + 1);
float f = (random.nextFloat() + random.nextFloat() - 1.0F) * 0.15F;
- level = Mth.clamp(Math.round((float)level + (float)level * f), 1, Integer.MAX_VALUE);
+ level = Mth.clamp(carpetfixes.helpers.FastMath.round((float)level + (float)level * f), 1, Integer.MAX_VALUE); // Mirai
List<EnchantmentInstance> list2 = getAvailableEnchantmentResults(level, stack, treasureAllowed);
if (!list2.isEmpty()) {
WeightedRandom.getRandomItem(random, list2).ifPresent(list::add);
diff --git a/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java b/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java
index 16504b8be08064e61b013fa943f692816612cbd0..38f6759501dcc2a0adb9608a9f639c2411acf277 100644
--- a/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DaylightDetectorBlock.java
@@ -62,7 +62,7 @@ public class DaylightDetectorBlock extends BaseEntityBlock {
float f1 = f < 3.1415927F ? 0.0F : 6.2831855F;
f += (f1 - f) * 0.2F;
- i = Math.round((float) i * Mth.cos(f));
+ i = carpetfixes.helpers.FastMath.round((float) i * Mth.cos(f)); // Mirai
}
i = Mth.clamp(i, (int) 0, (int) 15);
diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
index 19ffd93b7bc745d9a6822f1e5642d2f640f61df7..61e35c7a91341701bad119ca9ea56373b6b7d7a9 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
@@ -249,8 +249,8 @@ public abstract class ChunkGenerator {
for (int j1 = 0; j1 < j; ++j1) {
double d1 = (double) (4 * i + i * i1 * 6) + (randomsource.nextDouble() - 0.5D) * (double) i * 2.5D;
- int k1 = (int) Math.round(Math.cos(d0) * d1);
- int l1 = (int) Math.round(Math.sin(d0) * d1);
+ int k1 = (int) carpetfixes.helpers.FastMath.round(Math.cos(d0) * d1); // Mirai
+ int l1 = (int) carpetfixes.helpers.FastMath.round(Math.sin(d0) * d1); // Mirai
BiomeSource worldchunkmanager = this.biomeSource;
int i2 = SectionPos.sectionToBlockCoord(k1, 8);
int j2 = SectionPos.sectionToBlockCoord(l1, 8);
diff --git a/src/main/java/net/minecraft/world/level/levelgen/SurfaceSystem.java b/src/main/java/net/minecraft/world/level/levelgen/SurfaceSystem.java
index b20ba0b10b5b1682bb5435d9d0bbe4aad25e8062..22a23580ccd861d14031f46b72f309cca6584d3b 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/SurfaceSystem.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/SurfaceSystem.java
@@ -300,7 +300,7 @@ public class SurfaceSystem {
}
protected BlockState getBand(int x, int y, int z) {
- int i = (int)Math.round(this.clayBandsOffsetNoise.getValue((double)x, 0.0D, (double)z) * 4.0D);
+ int i = (int)carpetfixes.helpers.FastMath.round(this.clayBandsOffsetNoise.getValue((double)x, 0.0D, (double)z) * 4.0D); // Mirai
return this.clayBands[(y + i + this.clayBands.length) % this.clayBands.length];
}
}
diff --git a/src/main/java/net/minecraft/world/level/levelgen/feature/ScatteredOreFeature.java b/src/main/java/net/minecraft/world/level/levelgen/feature/ScatteredOreFeature.java
index 06f27fc8eda9ec160c54759ec95fdade19876d29..567d653469c964922dc5662e48c45dc289222bc2 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/feature/ScatteredOreFeature.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/ScatteredOreFeature.java
@@ -46,6 +46,6 @@ public class ScatteredOreFeature extends Feature<OreConfiguration> {
}
private int getRandomPlacementInOneAxisRelativeToOrigin(RandomSource randomSource, int spread) {
- return Math.round((randomSource.nextFloat() - randomSource.nextFloat()) * (float)spread);
+ return carpetfixes.helpers.FastMath.round((randomSource.nextFloat() - randomSource.nextFloat()) * (float)spread); // Mirai
}
}
diff --git a/src/main/java/net/minecraft/world/level/storage/loot/functions/LootingEnchantFunction.java b/src/main/java/net/minecraft/world/level/storage/loot/functions/LootingEnchantFunction.java
index 31918fa2eb38e42a5ea5366e559f25ea9d7d59ae..fe0bcd4295e96556d1c5282d6acc426980697675 100644
--- a/src/main/java/net/minecraft/world/level/storage/loot/functions/LootingEnchantFunction.java
+++ b/src/main/java/net/minecraft/world/level/storage/loot/functions/LootingEnchantFunction.java
@@ -61,7 +61,7 @@ public class LootingEnchantFunction extends LootItemConditionalFunction {
float f = (float) i * this.value.getFloat(context);
- stack.grow(Math.round(f));
+ stack.grow(carpetfixes.helpers.FastMath.round(f)); // Mirai
if (this.hasLimit() && stack.getCount() > this.limit) {
stack.setCount(this.limit);
}
diff --git a/src/main/java/net/minecraft/world/level/storage/loot/providers/number/NumberProvider.java b/src/main/java/net/minecraft/world/level/storage/loot/providers/number/NumberProvider.java
index 2a7c75ea447b179ea1ab9db56e8a39d03faa0bce..53ca87c7659a4fff9e99d21217d1ad08c8765836 100644
--- a/src/main/java/net/minecraft/world/level/storage/loot/providers/number/NumberProvider.java
+++ b/src/main/java/net/minecraft/world/level/storage/loot/providers/number/NumberProvider.java
@@ -7,7 +7,7 @@ public interface NumberProvider extends LootContextUser {
float getFloat(LootContext context);
default int getInt(LootContext context) {
- return Math.round(this.getFloat(context));
+ return carpetfixes.helpers.FastMath.round(this.getFloat(context)); // Mirai
}
LootNumberProviderType getType();
diff --git a/src/main/java/net/minecraft/world/phys/shapes/Shapes.java b/src/main/java/net/minecraft/world/phys/shapes/Shapes.java
index 731c7dd15f131dc124be6af8f342b122cb89491b..24a82111a5485da1e3903977d0519e9ed502f34d 100644
--- a/src/main/java/net/minecraft/world/phys/shapes/Shapes.java
+++ b/src/main/java/net/minecraft/world/phys/shapes/Shapes.java
@@ -59,8 +59,8 @@ public final class Shapes {
int j = 1 << i;
double d = min * (double)j;
double e = max * (double)j;
- boolean bl = Math.abs(d - (double)Math.round(d)) < 1.0E-7D * (double)j;
- boolean bl2 = Math.abs(e - (double)Math.round(e)) < 1.0E-7D * (double)j;
+ boolean bl = Math.abs(d - (double)carpetfixes.helpers.FastMath.round(d)) < 1.0E-7D * (double)j; // Mirai
+ boolean bl2 = Math.abs(e - (double)carpetfixes.helpers.FastMath.round(e)) < 1.0E-7D * (double)j; // Mirai
if (bl && bl2) {
return i;
}
diff --git a/src/main/java/org/spigotmc/TicksPerSecondCommand.java b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
index 0ecac76577eb440a0c3104ef4603acec826c474d..26ff7f68dacad945095d794c1def4752e0775abb 100644
--- a/src/main/java/org/spigotmc/TicksPerSecondCommand.java
+++ b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
@@ -52,7 +52,7 @@ public class TicksPerSecondCommand extends Command
private static String format(double tps) // Paper - Made static
{
return ( ( tps > 18.0 ) ? ChatColor.GREEN : ( tps > 16.0 ) ? ChatColor.YELLOW : ChatColor.RED ).toString()
- + ( ( tps > 21.0 ) ? "*" : "" ) + Math.min( Math.round( tps * 100.0 ) / 100.0, 20.0 ); // Paper - only print * at 21, we commonly peak to 20.02 as the tick sleep is not accurate enough, stop the noise
+ + ( ( tps > 21.0 ) ? "*" : "" ) + Math.min( carpetfixes.helpers.FastMath.round( tps * 100.0 ) / 100.0, 20.0 ); // Paper - only print * at 21, we commonly peak to 20.02 as the tick sleep is not accurate enough, stop the noise // Mirai
}
// Yatopia start - Last tick time API
diff --git a/src/main/java/wtf/etil/mirai/MiraiConfig.java b/src/main/java/wtf/etil/mirai/MiraiConfig.java
index 39b0c038ae053ef78c62691c73edecad94938fc7..110757bfec231278e7b5d0f22ede20f04cdbb913 100644
--- a/src/main/java/wtf/etil/mirai/MiraiConfig.java
+++ b/src/main/java/wtf/etil/mirai/MiraiConfig.java
@@ -228,4 +228,13 @@ public class MiraiConfig {
"to check when entity delta movement is null.");
}
+ public static boolean optimizedRound;
+ public static boolean optimizedHypot;
+ private static void fastMath() {
+ optimizedRound = getBoolean("optimize-math-round", true,
+ "Whether or not Math.round should be replaced by a faster version.");
+ optimizedHypot = getBoolean("optimize-math-hypot", true,
+ "Whether or not Math.hypot should be replaced by a faster version.");
+ }
+
}
\ No newline at end of file
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