From 0bc7a7bbf6d698973d452a54dc7e13271bce9c2c Mon Sep 17 00:00:00 2001
From: Moritz Zwerger <bixilon@bixilon.de>
Date: Fri, 8 Dec 2023 07:41:07 +0100
Subject: [PATCH] biome cache resetting

---
 .../profiles/rendering/performance/PerformanceC.kt       | 1 -
 .../de/bixilon/minosoft/data/world/biome/WorldBiomes.kt  | 9 ++++++++-
 .../terminal/commands/connection/DebugCommand.kt         | 1 +
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/bixilon/minosoft/config/profile/profiles/rendering/performance/PerformanceC.kt b/src/main/java/de/bixilon/minosoft/config/profile/profiles/rendering/performance/PerformanceC.kt
index b9d643942..7885ab374 100644
--- a/src/main/java/de/bixilon/minosoft/config/profile/profiles/rendering/performance/PerformanceC.kt
+++ b/src/main/java/de/bixilon/minosoft/config/profile/profiles/rendering/performance/PerformanceC.kt
@@ -29,7 +29,6 @@ class PerformanceC(profile: RenderingProfile) {
      * Biomes may not match anymore.
      * If true, chunk receiving is way faster.
      * Only affects 19w36+ (~1.14.4)
-     * ToDo: Requires rejoin to apply
      */
     var fastBiomeNoise by BooleanDelegate(profile, false)
 
diff --git a/src/main/java/de/bixilon/minosoft/data/world/biome/WorldBiomes.kt b/src/main/java/de/bixilon/minosoft/data/world/biome/WorldBiomes.kt
index a9b6a2922..974250ff4 100644
--- a/src/main/java/de/bixilon/minosoft/data/world/biome/WorldBiomes.kt
+++ b/src/main/java/de/bixilon/minosoft/data/world/biome/WorldBiomes.kt
@@ -67,6 +67,13 @@ class WorldBiomes(val world: World) : BiomeAccessor {
 
 
     fun resetCache() {
-        // TODO
+        world.lock.lock()
+        for ((_, chunk) in world.chunks.chunks.unsafe) {
+            for (section in chunk.sections) {
+                if (section == null) continue
+                section.biomes.clear()
+            }
+        }
+        world.lock.unlock()
     }
 }
diff --git a/src/main/java/de/bixilon/minosoft/terminal/commands/connection/DebugCommand.kt b/src/main/java/de/bixilon/minosoft/terminal/commands/connection/DebugCommand.kt
index 86c4d4679..b1cc56ebe 100644
--- a/src/main/java/de/bixilon/minosoft/terminal/commands/connection/DebugCommand.kt
+++ b/src/main/java/de/bixilon/minosoft/terminal/commands/connection/DebugCommand.kt
@@ -25,6 +25,7 @@ object DebugCommand : ConnectionCommand {
         .addChild(LiteralNode("network").addChild(
             LiteralNode("detach", executor = { it.connection.network.detach(); it.connection.util.sendDebugMessage("Now you are alone on the wire...") }),
         ))
+        .addChild(LiteralNode("cache").addChild(LiteralNode("biome", executor = { it.connection.world.biomes.resetCache(); it.connection.util.sendDebugMessage("Biome cache cleared!") })))
 
 
     private fun CommandStack.fly() {