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SakuraMC/patches/api/0003-Merge-Cannon-Entities.patch
2024-11-21 18:04:17 +00:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samsuik <40902469+Samsuik@users.noreply.github.com>
Date: Thu, 5 Oct 2023 14:34:30 +0100
Subject: [PATCH] Merge Cannon Entities
diff --git a/src/main/java/me/samsuik/sakura/entity/merge/MergeLevel.java b/src/main/java/me/samsuik/sakura/entity/merge/MergeLevel.java
new file mode 100644
index 0000000000000000000000000000000000000000..f8010a92ac82e76611ff7a9be259f11db0a1cc90
--- /dev/null
+++ b/src/main/java/me/samsuik/sakura/entity/merge/MergeLevel.java
@@ -0,0 +1,42 @@
+package me.samsuik.sakura.entity.merge;
+
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public enum MergeLevel {
+ /**
+ * Disabled.
+ */
+ NONE(-1),
+ /**
+ * "STRICT" merges entities with the same properties, position, momentum and OOE.
+ * This is considered safe to use, and will not break cannon mechanics.
+ */
+ STRICT(1),
+ /**
+ * "LENIENT" merges entities aggressively by tracking the entities that have
+ * previously merged. This is a hybrid of "SPAWN" and "STRICT" merging, with the
+ * visuals of "STRICT" merging and better merging potential of "SPAWN" merging.
+ */
+ LENIENT(2),
+ /**
+ * "SPAWN" merges entities one gametick after they have spawned. Merging is
+ * only possible after it has been established that the entity is safe to
+ * merge by collecting information on the entities that merge together over time.
+ */
+ SPAWN(3);
+
+ private final int level;
+
+ MergeLevel(int level) {
+ this.level = level;
+ }
+
+ public boolean atLeast(MergeLevel level) {
+ return this.getLevel() >= level.getLevel();
+ }
+
+ public int getLevel() {
+ return this.level;
+ }
+}
diff --git a/src/main/java/me/samsuik/sakura/entity/merge/Mergeable.java b/src/main/java/me/samsuik/sakura/entity/merge/Mergeable.java
new file mode 100644
index 0000000000000000000000000000000000000000..c33c461b10ff27bc5b0a294b61078c89cceae6b8
--- /dev/null
+++ b/src/main/java/me/samsuik/sakura/entity/merge/Mergeable.java
@@ -0,0 +1,14 @@
+package me.samsuik.sakura.entity.merge;
+
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public interface Mergeable {
+ MergeLevel getMergeLevel();
+
+ void setMergeLevel(MergeLevel level);
+
+ int getStacked();
+
+ void setStacked(int stacked);
+}
diff --git a/src/main/java/org/bukkit/entity/FallingBlock.java b/src/main/java/org/bukkit/entity/FallingBlock.java
index 7904c716a3b0869ebf2f9b416536c59121a539a8..2479453b96a75fda2c307261f84c91034e73000d 100644
--- a/src/main/java/org/bukkit/entity/FallingBlock.java
+++ b/src/main/java/org/bukkit/entity/FallingBlock.java
@@ -7,7 +7,7 @@ import org.jetbrains.annotations.NotNull;
/**
* Represents a falling block
*/
-public interface FallingBlock extends Entity {
+public interface FallingBlock extends Entity, me.samsuik.sakura.entity.merge.Mergeable { // Sakura
/**
* Get the Material of the falling block
diff --git a/src/main/java/org/bukkit/entity/TNTPrimed.java b/src/main/java/org/bukkit/entity/TNTPrimed.java
index 87e717c9ea61b0cbf536bc62fa829ddcfae5ad8c..ba84b3cbbd3358b16b21a18baa9c1812733fc144 100644
--- a/src/main/java/org/bukkit/entity/TNTPrimed.java
+++ b/src/main/java/org/bukkit/entity/TNTPrimed.java
@@ -6,7 +6,7 @@ import org.jetbrains.annotations.Nullable;
/**
* Represents a Primed TNT.
*/
-public interface TNTPrimed extends Explosive {
+public interface TNTPrimed extends Explosive, me.samsuik.sakura.entity.merge.Mergeable { // Sakura
/**
* Set the number of ticks until the TNT blows up after being primed.