remove copies

Author: MCRcortex

src/main/java/me/cortex/voxy/client/core/rendering/building/RenderDataFactory.java

@@ -207,7 +207,7 @@ private static long packPartialQuadData(int modelId, long state, long metadata)
         return quadData;
     }
 
-    private int prepareSectionData() {
+    private int prepareSectionData(final long[] rawSectionData) {
         final var sectionData = this.sectionData;
         final var rawModelIds = this.modelMan._unsafeRawAccess();
         int opaque = 0;
@@ -217,7 +217,7 @@ private int prepareSectionData() {
 
         int neighborAcquireMsk = 0;//-+x, -+y, -+Z
         for (int i = 0; i < 32*32*32;) {
-            long block = sectionData[i + 32 * 32 * 32];//Get the block mapping
+            long block = rawSectionData[i];//Get the block mapping
             if (Mapper.isAir(block)) {//If it is air, just emit lighting
                 sectionData[i * 2] = (block&(0xFFL<<56))>>1;
                 sectionData[i * 2 + 1] = 0;
@@ -1542,7 +1542,7 @@ public BuiltSection generateMesh(WorldSection section) {
         //THE EXCEPTION THAT THIS THROWS CAUSES MAJOR ISSUES
 
         //Copy section data to end of array so that can mutate array while reading safely
-        section.copyDataTo(this.sectionData, 32*32*32);
+        //section.copyDataTo(this.sectionData, 32*32*32);
 
         //We must reset _everything_ that could have changed as we dont exactly know the state due to how the model id exception
         // throwing system works
@@ -1578,7 +1578,7 @@ public BuiltSection generateMesh(WorldSection section) {
         Arrays.fill(this.fluidMasks, 0);
 
         //Prepare everything
-        int neighborMsk = this.prepareSectionData();
+        int neighborMsk = this.prepareSectionData(section._unsafeGetRawDataArray());
         if (neighborMsk>>31!=0) {//We failed to get everything so throw exception
             throw new IdNotYetComputedException(neighborMsk&(~(1<<31)), true);
         }

src/main/java/me/cortex/voxy/common/world/SaveLoadSystem3.java

@@ -10,11 +10,9 @@
 import org.lwjgl.system.MemoryUtil;
 
 public class SaveLoadSystem3 {
-    private record SerializationCache(long[] blockStateCache, Long2ShortOpenHashMap lutMapCache, MemoryBuffer memoryBuffer) {
+    private record SerializationCache(Long2ShortOpenHashMap lutMapCache, MemoryBuffer memoryBuffer) {
         public SerializationCache() {
-            this(new long[WorldSection.SECTION_VOLUME],
-                    new Long2ShortOpenHashMap(512),
-                    ThreadLocalMemoryBuffer.create(WorldSection.SECTION_VOLUME*2+WorldSection.SECTION_VOLUME*8+1024));
+            this(new Long2ShortOpenHashMap(512), ThreadLocalMemoryBuffer.create(WorldSection.SECTION_VOLUME*2+WorldSection.SECTION_VOLUME*8+1024));
             this.lutMapCache.defaultReturnValue((short) -1);
         }
     }
@@ -39,8 +37,7 @@ public static int z2lin(int i) {
     //TODO: Cache like long2short and the short and other data to stop allocs
     public static MemoryBuffer serialize(WorldSection section) {
         var cache = CACHE.get();
-        var data = cache.blockStateCache;
-        section.copyDataTo(data);
+        var data = section.data;
 
         Long2ShortOpenHashMap LUT = cache.lutMapCache; LUT.clear();