Prevented villages from spawning in the Jade Cliffs and Highland

src/main/java/biomesoplenty/common/biome/overworld/BiomeGenHighland.java

@@ -35,6 +35,8 @@ public class BiomeGenHighland extends BOPBiome
         this.setColor(0x7CAD66);
         this.setTemperatureRainfall(0.5F, 0.8F);
         
+        this.canGenerateVillages = false;
+        
         this.addWeight(BOPClimates.COOL_TEMPERATE, 7);
         
         // other plants

src/main/java/biomesoplenty/common/biome/overworld/BiomeGenJadeCliffs.java

@@ -40,6 +40,8 @@ public class BiomeGenJadeCliffs extends BOPBiome
         this.skyColor = 0xB7CCAD;
         this.setTemperatureRainfall(0.8F, 0.9F);
         
+        this.canGenerateVillages = false;
+        
         this.addWeight(BOPClimates.WET_TEMPERATE, 3);
         
         this.addGenerator("limestone_patches", GeneratorStage.SAND, (new GeneratorSplotches.Builder()).amountPerChunk(26).splotchSize(25).replace(Blocks.stone).with(BOPBlocks.stone.getDefaultState().withProperty(BlockBOPStone.VARIANT, BlockBOPStone.StoneType.LIMESTONE)).create());

src/main/java/biomesoplenty/common/world/WorldChunkManagerBOP.java

@@ -271,4 +271,45 @@ public class WorldChunkManagerBOP extends WorldChunkManager
         return new GenLayer[] {riverMixFinal, biomesFinal, riverMixFinal};
         
     }
+
+    @Override
+    public boolean areBiomesViable(int x, int z, int radius, List<BiomeGenBase> allowedBiomes)
+    {
+        IntCache.resetIntCache();
+        int minX = x - (radius >> 2);
+        int minY = z - (radius >> 2);
+        int maxX = x + (radius >> 2);
+        int maxY = z + (radius >> 2);
+        
+        int areaWidth = maxX - minX + 1; //Find difference between the min and the max X. Add 1 as the result cannot be 0
+        int areaHeight = maxY - minY + 1; //Find difference between the min and the max Y. Add 1 as the result cannot be 0
+        int[] biomeIds = this.genBiomes.getInts(minX, minY, areaWidth, areaHeight); //Create an array of the biome ids within the desired area
+
+        try
+        {
+            //Ensure entire area contains only desired biomes
+            for (int index = 0; index < areaWidth * areaHeight; ++index)
+            {
+                BiomeGenBase biomegenbase = BiomeGenBase.getBiome(biomeIds[index]);
+
+                if (!allowedBiomes.contains(biomegenbase))
+                {
+                    return false; //Stop checking, we have found an undesirable biome
+                }
+            }
+
+            return true;
+        }
+        catch (Throwable throwable)
+        {
+            CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Invalid Biome id");
+            CrashReportCategory crashreportcategory = crashreport.makeCategory("Layer");
+            crashreportcategory.addCrashSection("Layer", this.genBiomes.toString());
+            crashreportcategory.addCrashSection("x", Integer.valueOf(x));
+            crashreportcategory.addCrashSection("z", Integer.valueOf(z));
+            crashreportcategory.addCrashSection("radius", Integer.valueOf(radius));
+            crashreportcategory.addCrashSection("allowed", allowedBiomes);
+            throw new ReportedException(crashreport);
+        }
+    }
 }