bump version

old one has stopped working:
/home/travis/.rvm/gems/ruby-2.4.5/gems/octokit-4.6.2/lib/octokit/response/raise_error.rb:16:in `on_complete': GET https://api.github.com/user: 401 - Bad credentials // See: https://developer.github.com/v3 (Octokit::Unauthorized)

.travis.yml

@@ -1,6 +1,6 @@
 language: java
 jdk:
-- oraclejdk8
+- openjdk8
 addons:
   apt:
     packages:
@@ -16,7 +16,7 @@ before_deploy:
 deploy:
   provider: releases
   api_key: # this encrypted token is only readable by travis ci to access the github accout to attach the files to the created tag/release
-    secure: 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
+    secure: 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
   file:
   - "target/${filename}.jar"
   - "target/${filename}.zip"

src/main/java/amidst/gui/main/Actions.java

@@ -356,7 +356,7 @@ public class Actions {
 				"Amidst - Advanced Minecraft Interfacing and Data/Structure Tracking\n"
 						+ (FeatureToggles.MINETEST_SUPPORT ? "Amidst for Minetest - The Amidst project adapted to support Minetest\n\n" : "\n")
 						+ amidstVersion.createVersionString() + "\n"
-						+ "Project page: https://github.com/Treer/amidstest\n"
+						+ "Project page: https://github.com/Treer/Amidst-for-Minetest\n"
 						+ "Forum thread: https://forum.minetest.net/viewtopic.php?t=19869");
 	}
 

src/main/java/amidst/minetest/world/oracle/BiomeDataOracleCarpathian.java

@@ -157,7 +157,7 @@ public class BiomeDataOracleCarpathian extends MinetestBiomeDataOracle {
 	}
 		
 	@Override
-	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+	public short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
 		
 		// The Carpathian mapgen terrain is not yet stable.
 		// See https://forum.minetest.net/viewtopic.php?f=18&t=19132						

src/main/java/amidst/minetest/world/oracle/BiomeDataOracleFlat.java

@@ -29,7 +29,7 @@ public class BiomeDataOracleFlat extends MinetestBiomeDataOracle {
 	}
 
 	@Override
-	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+	public short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
 		
 		// FYI: at the time of writing this, the mapgen for Flat is not yet officially stable
 		// See https://forum.minetest.net/viewtopic.php?f=18&t=19132				

src/main/java/amidst/minetest/world/oracle/BiomeDataOracleHallelujah.java

@@ -175,7 +175,7 @@ public class BiomeDataOracleHallelujah extends MinetestBiomeDataOracle {
 	}
 		
 	@Override
-	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+	public short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
 		
 		int width = result.length;
 		if (width > 0) {

src/main/java/amidst/minetest/world/oracle/BiomeDataOracleV5.java

@@ -43,7 +43,7 @@ public class BiomeDataOracleV5 extends MinetestBiomeDataOracle {
 	}
 
 	@Override
-	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+	public short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
 
 		// The v5 mapgen terrain became officially stable in Minetest v5, Dec 2018
 		// See https://github.com/minetest/minetest/commit/40007351569413fd9dcff861ee00562d0c405722

src/main/java/amidst/minetest/world/oracle/BiomeDataOracleV6.java

@@ -180,7 +180,7 @@ public class BiomeDataOracleV6 extends MinetestBiomeDataOracle {
 	}
 	
 	@Override
-	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+	public short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
 		
 		// The v6 mapgen has been officially stable since 2012
 		// See https://forum.minetest.net/viewtopic.php?f=18&t=19132						

src/main/java/amidst/minetest/world/oracle/BiomeDataOracleV7.java

@@ -190,7 +190,7 @@ public class BiomeDataOracleV7 extends MinetestBiomeDataOracle {
 	}
 	
 	@Override
-	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+	public short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
 		return isFloatlands ? 
 				populateArray_floatlands(corner, result, useQuarterResolution) :
 				populateArray_groundlevel(corner, result, useQuarterResolution);

src/main/java/amidst/minetest/world/oracle/BiomeDataOracleValleys.java

@@ -374,7 +374,7 @@ public class BiomeDataOracleValleys extends MinetestBiomeDataOracle implements I
 	
 	
 	@Override
-	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+	public short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
 		
 		// The Valleys mapgen terrain is not yet stable.
 		// See https://forum.minetest.net/viewtopic.php?f=18&t=19132						

src/main/java/amidst/minetest/world/oracle/MinetestBiomeDataOracle.java

@@ -13,6 +13,8 @@ import amidst.minetest.world.mapgen.MapgenParams;
 import amidst.minetest.world.mapgen.MinetestBiome;
 import amidst.minetest.world.mapgen.MinetestBiomeProfileImpl;
 import amidst.minetest.world.mapgen.Noise;
+import amidst.mojangapi.world.coordinates.CoordinatesInWorld;
+import amidst.mojangapi.world.coordinates.Resolution;
 import amidst.settings.biomeprofile.BiomeProfile;
 import amidst.settings.biomeprofile.BiomeProfileSelection;
 import amidst.settings.biomeprofile.BiomeProfileUpdateListener;
@@ -30,8 +32,8 @@ public abstract class MinetestBiomeDataOracle implements IBiomeDataOracle, Biome
 	public static final int BITPLANE_OCEAN       = 0x2000;
 	public static final int BITPLANE_MOUNTAIN    = 0x1000;
 	public static final int MASK_BITPLANES       = ~(BITPLANE_RIVER | BITPLANE_OCEAN | BITPLANE_MOUNTAIN);
-	
-	
+
+
 	public MinetestBiomeDataOracle(MapgenParams params, BiomeProfileSelection biomeProfileSelection, long seed) {
 		//this.seed = (int)(seed & 0xFFFFFFFFL);
 		this.seed = (int)seed;		
@@ -47,11 +49,68 @@ public abstract class MinetestBiomeDataOracle implements IBiomeDataOracle, Biome
 			biomeProfileSelection.addUpdateListener(this);			
 		}		
 	}
-	
+
+	/**
+	 * The same as populateArray(), but if a subclass implements this instead of overriding
+	 * populateArray() then clipping to Minetest world boundaries will get handled by the superclass.
+	 */
+	protected abstract short populateArray_unbounded(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution);
+
+
+	public short populateArray(CoordinatesInWorld corner, short[][] result, boolean useQuarterResolution) {
+
+		// invoke populateArray_unbounded() then clip the results to world boundaries
+		short ret = MASK_BITPLANES;
+
+		int width = result.length;
+		if (width > 0) {
+			// Minetest world boundaries are X=30927, X=−30912, Z=30927 and Z=−30912
+			Resolution resolution = Resolution.from(useQuarterResolution);
+			int height = result[0].length;
+			int left   = (int) corner.getX();
+			int top    = (int) corner.getY();
+			int step   = resolution.getStep();
+			int right  = left + (width - 1) * step;
+			int bottom = top + (height - 1) * step;
+
+			// Use -top and -bottom because Minetest uses left-handed coordinates, while Amidst uses
+			// right-handed coordinates, and we want to compare against Minetest boundaries
+			top = -top;
+			bottom = -bottom;
+
+			if (right >= -30912 && left <= 30927 && top >= -30912 && bottom <= 30927) {
+				ret = populateArray_unbounded(corner, result, useQuarterResolution);
+
+				if (left < -30912 || right > 30927 || bottom < -30912 || top > 30927) {
+					// part of this fragment is outside the world-bounds, erase that part
+					short blank_index = (short) MinetestBiome.VOID.getIndex();
+					int world_z = top;
+					for (int z = 0; z < height; z++, world_z -= step) {
+						int world_x = left;						
+						for (int x = 0; x < width; x++, world_x += step) {
+							if (world_x < -30912 || world_x > 30927 || world_z < -30912 || world_z > 30927) {
+								result[x][z] = blank_index;
+							}
+						}
+					}
+				}
+			} else {
+				// the entire fragment is outside the world-bounds
+				short blank_index = (short) MinetestBiome.VOID.getIndex();
+				for (int y = 0; y < height; y++) {
+					for (int x = 0; x < width; x++) {
+						result[x][y] = blank_index;
+					}
+				}
+			}
+		}
+		return ret;
+	}
+
 	public MapgenParams getMapgenParams() {
 		return params;
 	}
-	
+
 	protected MinetestBiome[] getBiomeArray() {
 		
 		MinetestBiome[] result;

src/main/java/amidst/mojangapi/world/WorldType.java

@@ -18,7 +18,7 @@ public enum WorldType {
 	V5                   ("v5",                         "v5",                  null),
 	V6                   ("v6",                         "v6",                  null),
 	V7                   ("v7",                         "v7",                  null),
-	V7_FLOATLANDS        ("v7 Floatlands",              "v7floatlands",        null),
+	V7_FLOATLANDS        ("early v7 Floatlands (MT5.1.0 or earlier)", "v7floatlands", null),
 	// FLAT - can reuse the minecraft FLAT
 	FRACTAL              ("Fractal",                    "fractal",             null),
 	CARPATHIAN           ("Carpathian",                 "carpathian",          null),

src/main/resources/amidst/metadata.properties

@@ -1,7 +1,7 @@
 project.build.sourceEncoding=UTF-8
 amidst.build.jdk.version=1.8
-amidst.build.filename=amidst-minetest-v1-4
+amidst.build.filename=amidst-minetest-v1-4-1
 
 amidst.version.major=1
 amidst.version.minor=4
-amidst.version.preReleaseSuffix=
+amidst.version.preReleaseSuffix=1