Add option to force vanilla temperature algorithm, fixes SS incompatibility

Serene Seasons changes biomes to be colder in certain seasons, making
LODMod think there should be snow there, while no snow is actually
generated. Setting this config option to true fixes this mismatch.

3 files changed, 26 insertions, 1 deletions

diff --git a/src/main/java/makamys/lodmod/LODMod.java b/src/main/java/makamys/lodmod/LODMod.java
index c700f77..1490a0a 100644
--- a/src/main/java/makamys/lodmod/LODMod.java
+++ b/src/main/java/makamys/lodmod/LODMod.java
@@ -51,6 +51,7 @@ public class LODMod
     public static double fogStart;
     public static double fogEnd;
 	public static float maxSimpleMeshHeight;
+	public static boolean forceVanillaBiomeTemperature;
     
     private File configFile;
     
@@ -83,6 +84,8 @@ public class LODMod
         fogEnd = config.get("Fog", "fogEnd", "0.8").getDouble();
 		debugEnabled = config.get("Debug", "enabled", false).getBoolean();
 		maxSimpleMeshHeight = (float)config.get("Debug", "maxSimpleMeshHeight", 1000.0).getDouble();
+		
+		forceVanillaBiomeTemperature = config.get("Simple mesh generation", "forceVanillaBiomeTemperature", true).getBoolean();
         
         if(config.hasChanged()) {
             config.save();
diff --git a/src/main/java/makamys/lodmod/renderer/SimpleChunkMesh.java b/src/main/java/makamys/lodmod/renderer/SimpleChunkMesh.java
index 07bb084..4065b6c 100644
--- a/src/main/java/makamys/lodmod/renderer/SimpleChunkMesh.java
+++ b/src/main/java/makamys/lodmod/renderer/SimpleChunkMesh.java
@@ -17,6 +17,7 @@ import java.util.List;
 import org.lwjgl.BufferUtils;
 
 import makamys.lodmod.LODMod;
+import makamys.lodmod.util.MCUtil;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockGrass;
 import net.minecraft.block.BlockLeaves;
@@ -125,7 +126,8 @@ public class SimpleChunkMesh extends Mesh {
 						}
 						color = (0xFF << 24) | ((color >> 16 & 0xFF) << 0) | ((color >> 8 & 0xFF) << 8) | ((color >> 0 & 0xFF) << 16);
 						
-						if(biome.getFloatTemperature(worldX, y, worldZ) < 0.15f) {
+						if((LODMod.forceVanillaBiomeTemperature ? MCUtil.getBiomeTemperatureVanilla(biome, worldX, y, worldZ)
+						        : biome.getFloatTemperature(worldX, y, worldZ)) < 0.15f) {
 						    
 						    builder.addCube(divX, divZ, worldY + 0.2f, 1f, Blocks.snow_layer.getIcon(1, 0), 0xFFFFFFFF, brightnessMult);
 						    builder.addCube(divX, divZ, worldY - 0.8f, -1, icon, color, brightnessMult);
diff --git a/src/main/java/makamys/lodmod/util/MCUtil.java b/src/main/java/makamys/lodmod/util/MCUtil.java
new file mode 100644
index 0000000..7f81d74
--- /dev/null
+++ b/src/main/java/makamys/lodmod/util/MCUtil.java
@@ -0,0 +1,20 @@
+package makamys.lodmod.util;
+
+import net.minecraft.world.biome.BiomeGenBase;
+
+public class MCUtil {
+    
+    public static float getBiomeTemperatureVanilla(BiomeGenBase biome, int p_150564_1_, int p_150564_2_, int p_150564_3_){    
+        if (p_150564_2_ > 64)
+        {
+            float f = (float)BiomeGenBase.temperatureNoise
+                    .func_151601_a((double)p_150564_1_ * 1.0D / 8.0D, (double)p_150564_3_ * 1.0D / 8.0D) * 4.0F;
+            return biome.temperature - (f + (float)p_150564_2_ - 64.0F) * 0.05F / 30.0F;
+        }
+        else
+        {
+            return biome.temperature;
+        }
+    }
+    
+}