From e894331adaa569423be8472929da3a809c4106bb Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Wed, 2 Mar 2016 02:17:54 -0600
Subject: [PATCH] Generator Settings


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index db09711e4..7e5cd8042 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -147,4 +147,34 @@ public class PaperWorldConfig {
         disableEndCredits = getBoolean("game-mechanics.disable-end-credits", false);
         log("End credits disabled: " + disableEndCredits);
     }
+
+    public boolean generateCanyon;
+    public boolean generateCaves;
+    public boolean generateDungeon;
+    public boolean generateFortress;
+    public boolean generateMineshaft;
+    public boolean generateMonument;
+    public boolean generateStronghold;
+    public boolean generateTemple;
+    public boolean generateVillage;
+    public boolean generateFlatBedrock;
+    public boolean disableExtremeHillsEmeralds;
+    public boolean disableExtremeHillsMonsterEggs;
+    public boolean disableMesaAdditionalGold;
+
+    private void generatorSettings() {
+        generateCanyon = getBoolean("generator-settings.canyon", true);
+        generateCaves = getBoolean("generator-settings.caves", true);
+        generateDungeon = getBoolean("generator-settings.dungeon", true);
+        generateFortress = getBoolean("generator-settings.fortress", true);
+        generateMineshaft = getBoolean("generator-settings.mineshaft", true);
+        generateMonument = getBoolean("generator-settings.monument", true);
+        generateStronghold = getBoolean("generator-settings.stronghold", true);
+        generateTemple = getBoolean("generator-settings.temple", true);
+        generateVillage = getBoolean("generator-settings.village", true);
+        generateFlatBedrock = getBoolean("generator-settings.flat-bedrock", false);
+        disableExtremeHillsEmeralds = getBoolean("generator-settings.disable-extreme-hills-emeralds", false);
+        disableExtremeHillsMonsterEggs = getBoolean("generator-settings.disable-extreme-hills-monster-eggs", false);
+        disableMesaAdditionalGold = getBoolean("generator-settings.disable-mesa-additional-gold", false);
+    }
 }
diff --git a/src/main/java/net/minecraft/server/BiomeBase.java b/src/main/java/net/minecraft/server/BiomeBase.java
index 1b7599769..ab6db7468 100644
--- a/src/main/java/net/minecraft/server/BiomeBase.java
+++ b/src/main/java/net/minecraft/server/BiomeBase.java
@@ -176,7 +176,7 @@ public abstract class BiomeBase {
         BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
 
         for (int l1 = 255; l1 >= 0; --l1) {
-            if (l1 <= random.nextInt(5)) {
+            if (l1 <= (world.paperConfig.generateFlatBedrock ? 0 : random.nextInt(5))) { // Paper - Configurable flat bedrock
                 chunksnapshot.a(k1, l1, j1, BiomeBase.c);
             } else {
                 IBlockData iblockdata2 = chunksnapshot.a(k1, l1, j1);
diff --git a/src/main/java/net/minecraft/server/BiomeBigHills.java b/src/main/java/net/minecraft/server/BiomeBigHills.java
index 9c39bf7af..61680ab50 100644
--- a/src/main/java/net/minecraft/server/BiomeBigHills.java
+++ b/src/main/java/net/minecraft/server/BiomeBigHills.java
@@ -32,6 +32,9 @@ public class BiomeBigHills extends BiomeBase {
         int k;
         int l;
 
+        // Paper start - Disable extreme hills emeralds
+        if (!world.paperConfig.disableExtremeHillsEmeralds) {
+
         for (j = 0; j < i; ++j) {
             k = random.nextInt(16);
             l = random.nextInt(28) + 4;
@@ -43,6 +46,12 @@ public class BiomeBigHills extends BiomeBase {
             }
         }
 
+        }
+        // Paper end block
+
+        // Paper start - Disable extreme hills monster eggs
+        if (!world.paperConfig.disableExtremeHillsMonsterEggs) {
+
         for (i = 0; i < 7; ++i) {
             j = random.nextInt(16);
             k = random.nextInt(64);
@@ -50,6 +59,9 @@ public class BiomeBigHills extends BiomeBase {
             this.x.generate(world, random, blockposition.a(j, k, l));
         }
 
+        }
+        // Paper end block
+
     }
 
     public void a(World world, Random random, ChunkSnapshot chunksnapshot, int i, int j, double d0) {
diff --git a/src/main/java/net/minecraft/server/BiomeMesa.java b/src/main/java/net/minecraft/server/BiomeMesa.java
index f2dd96a32..67f8ad8ed 100644
--- a/src/main/java/net/minecraft/server/BiomeMesa.java
+++ b/src/main/java/net/minecraft/server/BiomeMesa.java
@@ -99,7 +99,7 @@ public class BiomeMesa extends BiomeBase {
                 chunksnapshot.a(l, i2, k, BiomeMesa.a);
             }
 
-            if (i2 <= random.nextInt(5)) {
+            if (i2 <= (world.paperConfig.generateFlatBedrock ? 0 : random.nextInt(5))) { // Paper - Configurable flat bedrock
                 chunksnapshot.a(l, i2, k, BiomeMesa.c);
             } else if (l1 < 15 || this.I) {
                 IBlockData iblockdata2 = chunksnapshot.a(l, i2, k);
@@ -259,6 +259,7 @@ public class BiomeMesa extends BiomeBase {
 
         protected void a(World world, Random random) {
             super.a(world, random);
+            if (world.paperConfig.disableMesaAdditionalGold) return; // Paper
             this.a(world, random, 20, this.n, 32, 80);
         }
 
diff --git a/src/main/java/net/minecraft/server/ChunkProviderFlat.java b/src/main/java/net/minecraft/server/ChunkProviderFlat.java
index 1452ff657..8b1b79380 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderFlat.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderFlat.java
@@ -26,7 +26,7 @@ public class ChunkProviderFlat implements ChunkGenerator {
         if (flag) {
             Map map = this.d.b();
 
-            if (map.containsKey("village")) {
+            if (map.containsKey("village") && world.paperConfig.generateVillage) { // Paper
                 Map map1 = (Map) map.get("village");
 
                 if (!map1.containsKey("size")) {
@@ -36,19 +36,19 @@ public class ChunkProviderFlat implements ChunkGenerator {
                 this.e.put("Village", new WorldGenVillage(map1));
             }
 
-            if (map.containsKey("biome_1")) {
+            if (map.containsKey("biome_1") && world.paperConfig.generateTemple) { // Paper
                 this.e.put("Temple", new WorldGenLargeFeature((Map) map.get("biome_1")));
             }
 
-            if (map.containsKey("mineshaft")) {
+            if (map.containsKey("mineshaft") && world.paperConfig.generateMineshaft) { // Paper
                 this.e.put("Mineshaft", new WorldGenMineshaft((Map) map.get("mineshaft")));
             }
 
-            if (map.containsKey("stronghold")) {
+            if (map.containsKey("stronghold") && world.paperConfig.generateStronghold) { // Paper
                 this.e.put("Stronghold", new WorldGenStronghold((Map) map.get("stronghold")));
             }
 
-            if (map.containsKey("oceanmonument")) {
+            if (map.containsKey("oceanmonument") && world.paperConfig.generateMonument) { // Paper
                 this.e.put("Monument", new WorldGenMonument((Map) map.get("oceanmonument")));
             }
         }
@@ -61,7 +61,7 @@ public class ChunkProviderFlat implements ChunkGenerator {
             this.i = new WorldGenLakes(Blocks.LAVA);
         }
 
-        this.g = this.d.b().containsKey("dungeon");
+        this.g = world.paperConfig.generateDungeon && this.d.b().containsKey("dungeon");  // Paper
         int j = 0;
         int k = 0;
         boolean flag1 = true;
diff --git a/src/main/java/net/minecraft/server/ChunkProviderGenerate.java b/src/main/java/net/minecraft/server/ChunkProviderGenerate.java
index 22a24a39f..ee9e00e64 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderGenerate.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderGenerate.java
@@ -160,32 +160,32 @@ public class ChunkProviderGenerate implements ChunkGenerator {
         this.a(i, j, chunksnapshot);
         this.D = this.n.getWorldChunkManager().getBiomeBlock(this.D, i * 16, j * 16, 16, 16);
         this.a(i, j, chunksnapshot, this.D);
-        if (this.s.r) {
+        if (this.s.r && this.n.paperConfig.generateCaves) { // Paper
             this.v.a(this.n, i, j, chunksnapshot);
         }
 
-        if (this.s.A) {
+        if (this.s.A && this.n.paperConfig.generateCanyon) { // Paper
             this.A.a(this.n, i, j, chunksnapshot);
         }
 
         if (this.o) {
-            if (this.s.w) {
+            if (this.s.w && this.n.paperConfig.generateMineshaft) { // Paper
                 this.y.a(this.n, i, j, chunksnapshot);
             }
 
-            if (this.s.v) {
+            if (this.s.v&& this.n.paperConfig.generateVillage) { // Paper
                 this.x.a(this.n, i, j, chunksnapshot);
             }
 
-            if (this.s.u) {
+            if (this.s.u && this.n.paperConfig.generateStronghold) { // Paper
                 this.w.a(this.n, i, j, chunksnapshot);
             }
 
-            if (this.s.x) {
+            if (this.s.x && this.n.paperConfig.generateTemple) { // Paper
                 this.z.a(this.n, i, j, chunksnapshot);
             }
 
-            if (this.s.y) {
+            if (this.s.y && this.n.paperConfig.generateMonument) { // Paper
                 this.B.a(this.n, i, j, chunksnapshot);
             }
 
@@ -329,23 +329,23 @@ public class ChunkProviderGenerate implements ChunkGenerator {
         ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
 
         if (this.o) {
-            if (this.s.w) {
+            if (this.s.w && this.n.paperConfig.generateMineshaft) { // Paper
                 this.y.a(this.n, this.i, chunkcoordintpair);
             }
 
-            if (this.s.v) {
+            if (this.s.v && this.n.paperConfig.generateVillage) { // Paper
                 flag = this.x.a(this.n, this.i, chunkcoordintpair);
             }
 
-            if (this.s.u) {
+            if (this.s.u && this.n.paperConfig.generateStronghold) { // Paper
                 this.w.a(this.n, this.i, chunkcoordintpair);
             }
 
-            if (this.s.x) {
+            if (this.s.x && this.n.paperConfig.generateTemple) { // Paper
                 this.z.a(this.n, this.i, chunkcoordintpair);
             }
 
-            if (this.s.y) {
+            if (this.s.y && this.n.paperConfig.generateMonument) { // Paper
                 this.B.a(this.n, this.i, chunkcoordintpair);
             }
 
@@ -374,7 +374,7 @@ public class ChunkProviderGenerate implements ChunkGenerator {
             }
         }
 
-        if (this.s.s) {
+        if (this.s.s && this.n.paperConfig.generateDungeon) { // Paper
             for (k1 = 0; k1 < this.s.t; ++k1) {
                 l1 = this.i.nextInt(16) + 8;
                 i2 = this.i.nextInt(256);
@@ -443,23 +443,23 @@ public class ChunkProviderGenerate implements ChunkGenerator {
 
     public void recreateStructures(Chunk chunk, int i, int j) {
         if (this.o) {
-            if (this.s.w) {
+            if (this.s.w && this.n.paperConfig.generateMineshaft) { // Paper
                 this.y.a(this.n, i, j, (ChunkSnapshot) null);
             }
 
-            if (this.s.v) {
+            if (this.s.v && this.n.paperConfig.generateVillage) { // Paper
                 this.x.a(this.n, i, j, (ChunkSnapshot) null);
             }
 
-            if (this.s.u) {
+            if (this.s.u && this.n.paperConfig.generateStronghold) { // Paper
                 this.w.a(this.n, i, j, (ChunkSnapshot) null);
             }
 
-            if (this.s.x) {
+            if (this.s.x && this.n.paperConfig.generateTemple) { // Paper
                 this.z.a(this.n, i, j, (ChunkSnapshot) null);
             }
 
-            if (this.s.y) {
+            if (this.s.y && this.n.paperConfig.generateMonument) { // Paper
                 this.B.a(this.n, i, j, (ChunkSnapshot) null);
             }
 
diff --git a/src/main/java/net/minecraft/server/ChunkProviderHell.java b/src/main/java/net/minecraft/server/ChunkProviderHell.java
index 9f738749f..12bc10ff0 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderHell.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderHell.java
@@ -151,7 +151,10 @@ public class ChunkProviderHell implements ChunkGenerator {
                 IBlockData iblockdata1 = ChunkProviderHell.b;
 
                 for (int l1 = 127; l1 >= 0; --l1) {
-                    if (l1 < 127 - this.p.nextInt(5) && l1 > this.p.nextInt(5)) {
+                    // Paper start - Configurable flat bedrock worldgen
+                    if (l1 < 127 - (n.paperConfig.generateFlatBedrock ? 0 : this.p.nextInt(5)) &&
+                            l1 > (n.paperConfig.generateFlatBedrock ? 0 : this.p.nextInt(5))) {
+                        // Paper end
                         IBlockData iblockdata2 = chunksnapshot.a(i1, l1, l);
 
                         if (iblockdata2.getBlock() != null && iblockdata2.getMaterial() != Material.AIR) {
@@ -384,6 +387,6 @@ public class ChunkProviderHell implements ChunkGenerator {
     }
 
     public void recreateStructures(Chunk chunk, int i, int j) {
-        this.I.a(this.n, i, j, (ChunkSnapshot) null);
+        if (this.n.paperConfig.generateFortress) this.I.a(this.n, i, j, (ChunkSnapshot) null);
     }
 }
diff --git a/src/main/java/net/minecraft/server/StructureGenerator.java b/src/main/java/net/minecraft/server/StructureGenerator.java
index 66a80a776..34fd7edfe 100644
--- a/src/main/java/net/minecraft/server/StructureGenerator.java
+++ b/src/main/java/net/minecraft/server/StructureGenerator.java
@@ -128,6 +128,7 @@ public abstract class StructureGenerator extends WorldGenBase {
     }
 
     public boolean a(World world, BlockPosition blockposition) {
+        if (this.g == null) return false; // Paper
         this.a(world);
         ObjectIterator objectiterator = this.c.values().iterator();
 
-- 
2.18.0

