96 lines
4.5 KiB
Diff
96 lines
4.5 KiB
Diff
From 921f30bc3afaba7d60be1a9f6190c260b88ab761 Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach.brown@destroystokyo.com>
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Date: Tue, 31 Jul 2018 19:32:57 -0500
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Subject: [PATCH] Make portal teleportation adjustment math more accurate
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diff --git a/src/main/java/net/minecraft/server/EnumDirection.java b/src/main/java/net/minecraft/server/EnumDirection.java
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index c0853f0fcd..7aa940672e 100644
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--- a/src/main/java/net/minecraft/server/EnumDirection.java
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+++ b/src/main/java/net/minecraft/server/EnumDirection.java
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@@ -95,6 +95,7 @@ public enum EnumDirection implements INamable {
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return this.i;
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}
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+ public final EnumDirection.EnumAxisDirection getAxisDirection() { return c(); } // Paper - OBFHELPER
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public EnumDirection.EnumAxisDirection c() {
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return this.l;
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}
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@@ -103,6 +104,7 @@ public enum EnumDirection implements INamable {
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return fromType1(this.h);
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}
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+ public final EnumDirection rotateY() { return e(); } // Paper - OBFHELPER
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public EnumDirection e() {
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switch(this) {
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case NORTH:
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@@ -333,6 +335,7 @@ public enum EnumDirection implements INamable {
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this.d = s1;
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}
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+ public final int getOffset() { return a(); } // Paper - OBFHELPER
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public int a() {
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return this.c;
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}
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diff --git a/src/main/java/net/minecraft/server/MathHelper.java b/src/main/java/net/minecraft/server/MathHelper.java
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index d53d0c2422..49fba0979e 100644
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--- a/src/main/java/net/minecraft/server/MathHelper.java
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+++ b/src/main/java/net/minecraft/server/MathHelper.java
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@@ -83,6 +83,7 @@ public class MathHelper {
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}
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}
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+ public static double clamp(double d0, double d1, double d2) { return a(d0, d1, d2); } // Paper - OBFHELPER
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public static double a(double d0, double d1, double d2) {
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if (d0 < d1) {
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return d1;
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diff --git a/src/main/java/net/minecraft/server/PortalTravelAgent.java b/src/main/java/net/minecraft/server/PortalTravelAgent.java
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index 20f2a9197c..fd372103be 100644
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--- a/src/main/java/net/minecraft/server/PortalTravelAgent.java
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+++ b/src/main/java/net/minecraft/server/PortalTravelAgent.java
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@@ -208,11 +208,27 @@ public class PortalTravelAgent {
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++d4;
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}
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+ // Paper start - Prevent portal suffocation (and therefore getting teleported up in an attempt to avoid it)
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+ // Based on work by CarpetMod - Licensed GPL-3.0
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+ double offset = (1.0D - entity.getPortalOffset().x) * (double) shapedetector_shapedetectorcollection.getWidth() * (double) shapedetector_shapedetectorcollection.getFacing().rotateY().getAxisDirection().getOffset();
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+ double adjustedRadius = 1.02 * entity.width / 2;
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+ if (adjustedRadius >= shapedetector_shapedetectorcollection.getWidth() - adjustedRadius) {
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+ // entity wider than portal, place it in the middle
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+ adjustedRadius = (double) shapedetector_shapedetectorcollection.getWidth() / 2 - 0.001;
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+ }
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+
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+ if (offset >= 0) {
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+ offset = MathHelper.clamp(offset, adjustedRadius, (double) shapedetector_shapedetectorcollection.getWidth() - adjustedRadius);
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+ } else {
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+ offset = MathHelper.clamp(offset, (double) -shapedetector_shapedetectorcollection.getWidth() + adjustedRadius, -adjustedRadius);
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+ }
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+
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if (shapedetector_shapedetectorcollection.getFacing().k() == EnumDirection.EnumAxis.X) {
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- d3 = d4 + (1.0D - entity.getPortalOffset().x) * (double) shapedetector_shapedetectorcollection.d() * (double) shapedetector_shapedetectorcollection.getFacing().e().c().a();
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+ d3 = d4 + offset;
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} else {
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- d2 = d4 + (1.0D - entity.getPortalOffset().x) * (double) shapedetector_shapedetectorcollection.d() * (double) shapedetector_shapedetectorcollection.getFacing().e().c().a();
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+ d2 = d4 + offset;
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}
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+ // Paper end
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float f1 = 0.0F;
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float f2 = 0.0F;
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diff --git a/src/main/java/net/minecraft/server/ShapeDetector.java b/src/main/java/net/minecraft/server/ShapeDetector.java
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index 0c9910d9a5..446cdb86d8 100644
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--- a/src/main/java/net/minecraft/server/ShapeDetector.java
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+++ b/src/main/java/net/minecraft/server/ShapeDetector.java
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@@ -143,6 +143,7 @@ public class ShapeDetector {
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return this.c;
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}
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+ public final int getWidth() { return this.d(); } // Paper - OBFHELPER
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public int d() {
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return this.e;
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}
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--
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2.19.0
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