From ce65b03f8cba6b12bc83189ce41055f39159b886 Mon Sep 17 00:00:00 2001
From: Moritz Zwerger <bixilon@bixilon.de>
Date: Sat, 14 Oct 2023 01:26:55 +0200
Subject: [PATCH] client side door opening/closing

---
 .../blocks/types/building/door/DoorBlock.kt   | 29 ++++++++++++++++++-
 .../minosoft/input/interaction/KeyHandler.kt  |  2 +-
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/bixilon/minosoft/data/registries/blocks/types/building/door/DoorBlock.kt b/src/main/java/de/bixilon/minosoft/data/registries/blocks/types/building/door/DoorBlock.kt
index 960319031..4a00d2b6e 100644
--- a/src/main/java/de/bixilon/minosoft/data/registries/blocks/types/building/door/DoorBlock.kt
+++ b/src/main/java/de/bixilon/minosoft/data/registries/blocks/types/building/door/DoorBlock.kt
@@ -48,7 +48,12 @@ import de.bixilon.minosoft.data.registries.item.items.tool.pickaxe.PickaxeRequir
 import de.bixilon.minosoft.data.registries.registries.Registries
 import de.bixilon.minosoft.data.registries.shapes.voxel.AbstractVoxelShape
 import de.bixilon.minosoft.data.registries.shapes.voxel.VoxelShape
+import de.bixilon.minosoft.data.world.chunk.chunk.Chunk
+import de.bixilon.minosoft.data.world.chunk.update.block.ChunkLocalBlockUpdate
 import de.bixilon.minosoft.data.world.positions.BlockPosition
+import de.bixilon.minosoft.data.world.positions.ChunkPositionUtil.chunkPosition
+import de.bixilon.minosoft.data.world.positions.ChunkPositionUtil.inChunkPosition
+import de.bixilon.minosoft.data.world.positions.InChunkPosition
 import de.bixilon.minosoft.gui.rendering.RenderContext
 import de.bixilon.minosoft.gui.rendering.models.block.state.DirectBlockModel
 import de.bixilon.minosoft.gui.rendering.models.block.state.render.BlockRender
@@ -79,8 +84,30 @@ abstract class DoorBlock(identifier: ResourceLocation, settings: BlockSettings)
         return AdvancedBlockState(this, settings.properties, 0, shape, shape, settings.lightProperties, settings.solidRenderer)
     }
 
-    fun cycleOpen(connection: PlayConnection, position: BlockPosition, state: BlockState) {
+    private fun legacyCycleOpen(chunk: Chunk, inChunk: InChunkPosition, state: BlockState) {
+        chunk.apply(ChunkLocalBlockUpdate.LocalUpdate(inChunk, state.withProperties(OPEN to !state[OPEN])))
+    }
 
+    fun cycleOpen(connection: PlayConnection, position: BlockPosition, state: BlockState) {
+        // TODO: move that to DoubleSizeBlock?
+
+        val chunk = connection.world.chunks[position.chunkPosition] ?: return
+
+        val inChunk = position.inChunkPosition
+        val top = isTop(state, connection)
+
+        val otherPosition = inChunk + if (top) Directions.DOWN else Directions.UP
+        val otherState = chunk[otherPosition] ?: return
+        if (otherState.block !is DoorBlock) return
+
+
+        if (!connection.version.flattened) return legacyCycleOpen(chunk, if (top) otherPosition else inChunk, if (top) otherState else state)
+
+        val nextOpen = !state[OPEN]
+        chunk.apply(listOf(
+            ChunkLocalBlockUpdate.LocalUpdate(inChunk, state.withProperties(OPEN to nextOpen)),
+            ChunkLocalBlockUpdate.LocalUpdate(otherPosition, otherState.withProperties(OPEN to nextOpen)),
+        ))
     }
 
     private fun getShape(hinge: Sides, open: Boolean, facing: Directions): VoxelShape {
diff --git a/src/main/java/de/bixilon/minosoft/input/interaction/KeyHandler.kt b/src/main/java/de/bixilon/minosoft/input/interaction/KeyHandler.kt
index 3888d0389..04f535a46 100644
--- a/src/main/java/de/bixilon/minosoft/input/interaction/KeyHandler.kt
+++ b/src/main/java/de/bixilon/minosoft/input/interaction/KeyHandler.kt
@@ -39,7 +39,7 @@ abstract class KeyHandler {
 
     fun release() {
         if (!isPressed) return
-        val task = this.task ?: Broken()
+        val task = this.task ?: Broken("Not pressed!")
         TaskScheduler -= task
         this.task = null
         this.isPressed = false