From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sat, 23 Nov 2019 17:55:42 -0600
Subject: [PATCH] Implement infinite liquids


diff --git a/src/main/java/net/minecraft/world/level/material/FlowingFluid.java b/src/main/java/net/minecraft/world/level/material/FlowingFluid.java
index 6f5f9d8a38bf023969c883b3e3a230c3cdc62104..edc48ae53ccaee4fcb4d4aa1b94fd130b5c81b43 100644
--- a/src/main/java/net/minecraft/world/level/material/FlowingFluid.java
+++ b/src/main/java/net/minecraft/world/level/material/FlowingFluid.java
@@ -217,7 +217,7 @@ public abstract class FlowingFluid extends Fluid {
             }
         }
 
-        if (this.canConvertToSource() && j >= 2) {
+        if (this.canConvertToSource(world) && j >= getRequiredSources(world)) {
             BlockState iblockdata2 = world.getBlockState(pos.below());
             FluidState fluid1 = iblockdata2.getFluidState();
 
@@ -288,6 +288,16 @@ public abstract class FlowingFluid extends Fluid {
         return (FluidState) this.getSource().defaultFluidState().setValue(FlowingFluid.FALLING, falling);
     }
 
+    // Purpur start
+    protected boolean canConvertToSource(LevelReader world) {
+        return canConvertToSource();
+    }
+
+    protected int getRequiredSources(LevelReader world) {
+        return 2;
+    }
+    // Purpur end
+
     protected abstract boolean canConvertToSource();
 
     protected void spreadTo(LevelAccessor world, BlockPos pos, BlockState state, Direction direction, FluidState fluidState) {
diff --git a/src/main/java/net/minecraft/world/level/material/LavaFluid.java b/src/main/java/net/minecraft/world/level/material/LavaFluid.java
index 8e15976c83c71b8f335511e6747d56d3c8ff6856..9fc7bc3141c0fe6b65d78edf6bac3c45d46ae4fe 100644
--- a/src/main/java/net/minecraft/world/level/material/LavaFluid.java
+++ b/src/main/java/net/minecraft/world/level/material/LavaFluid.java
@@ -199,6 +199,18 @@ public abstract class LavaFluid extends FlowingFluid {
         world.levelEvent(1501, pos, 0);
     }
 
+    // Purpur start
+    @Override
+    protected boolean canConvertToSource(LevelReader world) {
+        return world.getWorldBorder().world.purpurConfig.lavaInfinite;
+    }
+
+    @Override
+    protected int getRequiredSources(LevelReader world) {
+        return world.getWorldBorder().world.purpurConfig.lavaInfiniteRequiredSources;
+    }
+    // Purpur end
+
     @Override
     protected boolean canConvertToSource() {
         return false;
diff --git a/src/main/java/net/minecraft/world/level/material/WaterFluid.java b/src/main/java/net/minecraft/world/level/material/WaterFluid.java
index 56d50b9310d30e0f81f3d2549ff5c256eb07cc2a..4cc6d665c7d52b6edcaaa5f9ed1314077f68c224 100644
--- a/src/main/java/net/minecraft/world/level/material/WaterFluid.java
+++ b/src/main/java/net/minecraft/world/level/material/WaterFluid.java
@@ -63,6 +63,18 @@ public abstract class WaterFluid extends FlowingFluid {
         return true;
     }
 
+    // Purpur start
+    @Override
+    protected boolean canConvertToSource(LevelReader world) {
+        return world.getWorldBorder().world.purpurConfig.waterInfinite;
+    }
+
+    @Override
+    protected int getRequiredSources(LevelReader world) {
+        return world.getWorldBorder().world.purpurConfig.waterInfiniteRequiredSources;
+    }
+    // Purpur end
+
     // Paper start
     @Override
     protected void beforeDestroyingBlock(LevelAccessor world, BlockPos pos, BlockState state,  BlockPos source) {
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 0d6a420ead59fba74fafd891efdc87e1d602ace7..573180a79354b2ae3a61f5dfa98201d4b46a1195 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -238,6 +238,20 @@ public class PurpurWorldConfig {
         farmlandGetsMoistFromBelow = getBoolean("blocks.farmland.gets-moist-from-below", farmlandGetsMoistFromBelow);
     }
 
+    public boolean lavaInfinite = false;
+    public int lavaInfiniteRequiredSources = 2;
+    private void lavaSettings() {
+        lavaInfinite = getBoolean("blocks.lava.infinite-source", lavaInfinite);
+        lavaInfiniteRequiredSources = getInt("blocks.lava.infinite-required-sources", lavaInfiniteRequiredSources);
+    }
+
+    public boolean waterInfinite = true;
+    public int waterInfiniteRequiredSources = 2;
+    private void waterSources() {
+        waterInfinite = getBoolean("blocks.water.infinite-source", waterInfinite);
+        waterInfiniteRequiredSources = getInt("blocks.water.infinite-required-sources", waterInfiniteRequiredSources);
+    }
+
     public boolean signRightClickEdit = false;
     private void signSettings() {
         signRightClickEdit = getBoolean("blocks.sign.right-click-edit", signRightClickEdit);