Add config settings for earthCurve thingy

src/main/java/com/seibel/lod/core/render/LodFogConfig.java

@@ -54,7 +54,9 @@ public class LodFogConfig
 	public final float heightFogHeight;
 	
 	final boolean drawNearFog;
-	
+
+	final int earthCurveRatio; // FIXME: Move this out of here
+
 	
 	public static LodFogConfig generateFogConfig()
 	{
@@ -68,6 +70,8 @@ public class LodFogConfig
 	/** sets all fog options from the config */
 	private LodFogConfig(FogDrawMode fogDrawMode)
 	{
+		earthCurveRatio = CONFIG.client().graphics().advancedGraphics().getEarthCurveRatio(); //FIXME: Move this out of here
+
 		if (fogDrawMode != FogDrawMode.FOG_DISABLED)
 		{
 			ILodConfigWrapperSingleton.IClient.IGraphics.IFogQuality fogSettings = CONFIG.client().graphics().fogQuality();
@@ -415,12 +419,15 @@ public class LodFogConfig
 		if (o == null || getClass() != o.getClass())
 			return false;
 		LodFogConfig that = (LodFogConfig) o;
-		return Float.compare(that.heightFogHeight, heightFogHeight) == 0 && drawNearFog == that.drawNearFog && Objects.equals(farFogSetting, that.farFogSetting) && Objects.equals(heightFogSetting, that.heightFogSetting) && heightFogMixMode == that.heightFogMixMode && heightFogMode == that.heightFogMode;
+		return Float.compare(that.heightFogHeight, heightFogHeight) == 0 &&
+				drawNearFog == that.drawNearFog && Objects.equals(farFogSetting, that.farFogSetting) &&
+				Objects.equals(heightFogSetting, that.heightFogSetting) && heightFogMixMode == that.heightFogMixMode &&
+				heightFogMode == that.heightFogMode && earthCurveRatio == that.earthCurveRatio;
 	}
 	
 	@Override
 	public int hashCode()
 	{
-		return Objects.hash(farFogSetting, heightFogSetting, heightFogMixMode, heightFogMode, heightFogHeight, drawNearFog);
+		return Objects.hash(farFogSetting, heightFogSetting, heightFogMixMode, heightFogMode, heightFogHeight, drawNearFog, earthCurveRatio);
 	}
 }

src/main/java/com/seibel/lod/core/render/LodRenderProgram.java

@@ -30,6 +30,7 @@ import com.seibel.lod.core.wrapperInterfaces.IVersionConstants;
 
 public class LodRenderProgram extends ShaderProgram {
 	public static final String VERTEX_SHADER_PATH = "shaders/standard.vert";
+	public static final String VERTEX_CURVE_SHADER_PATH = "shaders/curve.vert";
 	public static final String FRAGMENT_SHADER_PATH = "shaders/flat_shaded.frag";
 	private static final IVersionConstants VERSION_CONSTANTS = SingletonHandler.get(IVersionConstants.class);
 	
@@ -57,7 +58,8 @@ public class LodRenderProgram extends ShaderProgram {
 
 	// This will bind  VertexAttribute
 	public LodRenderProgram(LodFogConfig fogConfig) {
-		super(() -> Shader.loadFile(VERTEX_SHADER_PATH, false, new StringBuilder()).toString(),
+		super(() -> Shader.loadFile(fogConfig.earthCurveRatio!=0 ? VERTEX_CURVE_SHADER_PATH : VERTEX_SHADER_PATH,
+						false, new StringBuilder()).toString(),
 				() -> fogConfig.loadAndProcessFragShader(FRAGMENT_SHADER_PATH, false).toString(),
 				"fragColor", new String[] { "vPosition", "color" });
 		this.fogConfig = fogConfig;
@@ -97,6 +99,9 @@ public class LodRenderProgram extends ShaderProgram {
 			System.out.println(LodUtil.LOD_VERTEX_FORMAT);
 			throw e;
 		}
+
+		if (earthRadiusUniform != -1) setUniform(earthRadiusUniform,
+				/*6371KM*/ 6371000.0f / fogConfig.earthCurveRatio);
 	}
 
 	// If not usable, return a new LodFogConfig to be constructed
@@ -144,9 +149,6 @@ public class LodRenderProgram extends ShaderProgram {
 		setUniform(lightMapUniform, lightmapBindPoint);
 
 		if (worldYOffsetUniform != -1) setUniform(worldYOffsetUniform, (float)worldYOffset);
-		if (earthRadiusUniform != -1) setUniform(earthRadiusUniform,
-				63710f); //radio of 1 to 100 to Earth radius (6,371 KM)
-				// (float)lodDrawDistance);
 
 		// Fog
 		setUniform(fullFogModeUniform, fullFogMode ? 1 : 0);

src/main/java/com/seibel/lod/core/wrapperInterfaces/config/ILodConfigWrapperSingleton.java

@@ -542,6 +542,22 @@ public interface ILodConfigWrapperSingleton extends IBindable
 						+ " At what Y value should cave culling start? \n";
 				int getCaveCullingHeight();
 				void setCaveCullingHeight(int newCaveCullingHeight);
+
+
+				MinDefaultMax<Integer> EARTH_CURVE_RATIO_MIN_DEFAULT_MAX = new MinDefaultMax<>(0,0,10000);
+				String EARTH_CURVE_RATIO_DESC = ""
+						+ " This is the earth size ratio when applying the curvature shader effect. \n"
+						+ "\n"
+						+ " NOTE: This feature is just for fun and is VERY experimental! \n"
+						+ "Please don't report any issues related to this feature. \n"
+						+ "\n"
+						+ " 0 = flat/disabled \n"
+						+ " 1 = 1 to 1 (6,371,000 blocks) \n"
+						+ " 100 = 1 to 100 (63,710 blocks) \n"
+						+ " 10000 = 1 to 10000 (637.1 blocks) \n";
+				int getEarthCurveRatio();
+				void setEarthCurveRatio(int newEarthCurveRatio);
+
 			}
 		}
 		

src/main/resources/assets/lod/lang/en_us.json

@@ -172,6 +172,10 @@
   "Cave Culling Height §6(EXPERIMENTAL)§r",
   "DistantHorizons.config.client.graphics.advancedGraphics.caveCullingHeight.@tooltip":
   "At what Y value should cave culling start? \n\n§6NOTE§r: This feature is under development and \n it is VERY experimental! Please don't report \nany issues related to this feature.",
+  "DistantHorizons.config.client.graphics.advancedGraphics.earthCurveRatio":
+  "Earth Curve Ratio §6(EXPERIMENTAL)§r",
+  "DistantHorizons.config.client.graphics.advancedGraphics.earthCurveRatio.@tooltip":
+  "This is the earth size ratio when applying the curvature shader effect. \n\n§6NOTE§r: This feature is just for fun and is VERY experimental! \nPlease don't report any issues related to this feature. \n\n0 = flat/disabled \n1 = 1 to 1 (6,371,000 blocks) \n100 = 1 to 100 (63,710 blocks) \n10000 = 1 to 10000 (637.1 blocks) \n",
   "DistantHorizons.config.client.worldGenerator":
 	"World generator",
   "DistantHorizons.config.client.worldGenerator.generationPriority":