Anti Xray: Obfuscate blocks touching lava feature (#3311)

Spigot-Server-Patches/Anti-Xray.patch

@@ -27,6 +27,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    public EngineMode engineMode;
 +    public int maxChunkSectionIndex;
 +    public int updateRadius;
++    public boolean lavaObscures;
 +    public List<String> hiddenBlocks;
 +    public List<String> replacementBlocks;
 +    private void antiXray() {
@@ -36,6 +37,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        maxChunkSectionIndex = getInt("anti-xray.max-chunk-section-index", 3);
 +        maxChunkSectionIndex = maxChunkSectionIndex > 15 ? 15 : maxChunkSectionIndex;
 +        updateRadius = getInt("anti-xray.update-radius", 2);
++        lavaObscures = getBoolean("anti-xray.lava-obscures", false);
 +        hiddenBlocks = getList("anti-xray.hidden-blocks", Arrays.asList("gold_ore", "iron_ore", "coal_ore", "lapis_ore", "mossy_cobblestone", "obsidian", "chest", "diamond_ore", "redstone_ore", "clay", "emerald_ore", "ender_chest"));
 +        replacementBlocks = getList("anti-xray.replacement-blocks", Arrays.asList("stone", "oak_planks"));
 +        if (PaperConfig.version < 19) {
@@ -202,7 +204,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +            if (blockData != null) {
 +                solidGlobal[i] = blockData.isOccluding(emptyChunk, zeroPos)
-+                    && blockData.getBlock() != Blocks.SPAWNER && blockData.getBlock() != Blocks.BARRIER && blockData.getBlock() != Blocks.SHULKER_BOX;
++                    && blockData.getBlock() != Blocks.SPAWNER && blockData.getBlock() != Blocks.BARRIER && blockData.getBlock() != Blocks.SHULKER_BOX || paperWorldConfig.lavaObscures && blockData == Blocks.LAVA.getBlockData();
++                // Comparing blockData == Blocks.LAVA.getBlockData() instead of blockData.getBlock() == Blocks.LAVA ensures that only "stationary lava" is used
 +                // shulker box checks TE.
 +            }
 +        }