War3MapW3i support version 33 and War3MapW3e support version 12

build.gradle

@@ -76,6 +76,13 @@ project(":core") {
         api "org.apache.commons:commons-compress:1.20"
         api "net.nikr:dds:1.0.0"
         api files(fileTree(dir:'../jars', includes: ['*.jar']))
+
+        testImplementation "org.junit.jupiter:junit-jupiter-api:5.10.2"
+        testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.10.2"
+    }
+
+    test {
+        useJUnitPlatform()
     }
 }
 

core/build.gradle

@@ -2,8 +2,15 @@
 
 sourceCompatibility = 1.17
 
-sourceSets.main.java.srcDirs = [ "src/" ]
-
+sourceSets {
+    main {
+        java.srcDirs = [ "src/" ]
+    }
+    test {
+        java.srcDirs = [ "test/" ]
+        resources.srcDirs = [ "test/resources" ]
+    }
+}
 
 eclipse.project {
     name = appName + "-core"

core/src/com/etheller/warsmash/parsers/w3x/w3e/Corner.java

@@ -8,6 +8,7 @@
 
 /**
  * A tile corner.
+ * https://github.com/ChiefOfGxBxL/WC3MapSpecification/blob/master/Terrain/12.md
  */
 public class Corner {
 	private float groundHeight;
@@ -42,21 +43,32 @@ public Corner(final Corner other) {
 		this.layerHeight = other.layerHeight;
 	}
 
-	public void load(final LittleEndianDataInputStream stream) throws IOException {
+	public void load(final LittleEndianDataInputStream stream, int version) throws IOException {
 		this.groundHeight = (stream.readShort() - 8192) / (float) 512;
 
 		final short waterAndEdge = stream.readShort();
 		this.waterHeight = ((waterAndEdge & 0x3FFF) - 8192) / (float) 512;
 		this.mapEdge = waterAndEdge & 0x4000;
 
-		final short textureAndFlags = ParseUtils.readUInt8(stream);
+		 if (version >= 12) {
+			final int textureAndFlags = ParseUtils.readUInt16(stream);
 
-		this.ramp = textureAndFlags & 0b00010000;
-		this.blight = textureAndFlags & 0b00100000;
-		this.water = textureAndFlags & 0b01000000;
-		this.boundary = textureAndFlags & 0b10000000;
+			 this.ramp = textureAndFlags & 0b00000000_01000000;
+			 this.blight = textureAndFlags & 0b00000000_10000000;
+			 this.water = textureAndFlags & 0b00000001_00000000;
+			 this.boundary = textureAndFlags & 0b00000010_00000000;
 
-		this.groundTexture = textureAndFlags & 0b00001111;
+			 this.groundTexture = textureAndFlags & 0b00111111;
+		} else {
+			final short textureAndFlags = ParseUtils.readUInt8(stream);
+
+			this.ramp = textureAndFlags & 0b00010000;
+			this.blight = textureAndFlags & 0b00100000;
+			this.water = textureAndFlags & 0b01000000;
+			this.boundary = textureAndFlags & 0b10000000;
+
+			this.groundTexture = textureAndFlags & 0b00001111;
+		}
 
 		final short variation = ParseUtils.readUInt8(stream);
 
@@ -70,16 +82,26 @@ public void load(final LittleEndianDataInputStream stream) throws IOException {
 
 	}
 
-	public void save(final LittleEndianDataOutputStream stream) throws IOException {
+	public void save(final LittleEndianDataOutputStream stream, int version) throws IOException {
 		stream.writeShort((short) ((this.groundHeight * 512f) + 8192f));
 		final int mapEdgeWrite = (this.mapEdge != 0) ? 0x4000 : 0;
 		stream.writeShort((short) ((int) ((this.waterHeight * 512f) + 8192f) | (mapEdgeWrite)));
-		final int rampWrite = (this.ramp != 0) ? 0b00010000 : 0;
-		final int blightWrite = (this.blight != 0) ? 0b00100000 : 0;
-		final int waterWrite = (this.water != 0) ? 0b01000000 : 0;
-		final int boundaryWrite = (this.boundary != 0) ? 0b10000000 : 0;
-		ParseUtils.writeUInt8(stream,
-				(short) ((rampWrite) | (blightWrite) | (waterWrite) | (boundaryWrite) | this.groundTexture));
+		int rampWrite = (this.ramp != 0) ? 0b00010000 : 0;
+		int blightWrite = (this.blight != 0) ? 0b00100000 : 0;
+		int waterWrite = (this.water != 0) ? 0b01000000 : 0;
+		int boundaryWrite = (this.boundary != 0) ? 0b10000000 : 0;
+		if (version >= 12) {
+			rampWrite     <<= 2;
+			blightWrite   <<= 2;
+			waterWrite    <<= 2;
+			boundaryWrite <<= 2;
+
+			ParseUtils.writeUInt16(stream,
+					(int) ((rampWrite) | (blightWrite) | (waterWrite) | (boundaryWrite) | this.groundTexture));
+		} else {
+			ParseUtils.writeUInt8(stream,
+					(short) ((rampWrite) | (blightWrite) | (waterWrite) | (boundaryWrite) | this.groundTexture));
+		}
 		ParseUtils.writeUInt8(stream, (short) ((this.cliffVariation << 5) | this.groundVariation));
 		ParseUtils.writeUInt8(stream, (short) ((this.cliffTexture << 4) + this.layerHeight));
 	}

core/src/com/etheller/warsmash/parsers/w3x/w3e/War3MapW3e.java

@@ -11,6 +11,7 @@
 
 /**
  * war3map.w3e - the environment file.
+ * https://github.com/ChiefOfGxBxL/WC3MapSpecification/blob/master/Terrain/12.md
  */
 public class War3MapW3e {
 	private static final War3ID MAGIC_NUMBER = War3ID.fromString("W3E!");
@@ -57,7 +58,7 @@ private boolean load(final LittleEndianDataInputStream stream) throws IOExceptio
 			for (int column = 0, columns = this.mapSize[0]; column < columns; column++) {
 				final Corner corner = new Corner();
 
-				corner.load(stream);
+				corner.load(stream, this.version);
 
 				this.corners[row][column] = corner;
 			}
@@ -88,16 +89,11 @@ public void save(final LittleEndianDataOutputStream stream) throws IOException {
 
 		for (final Corner[] row : this.corners) {
 			for (final Corner corner : row) {
-				corner.save(stream);
+				corner.save(stream, this.version);
 			}
 		}
 	}
 
-	public int getByteLength() {
-		return 37 + (this.groundTiles.size() * 4) + (this.cliffTiles.size() * 4)
-				+ (this.mapSize[0] * this.mapSize[1] * 7);
-	}
-
 	public int getVersion() {
 		return this.version;
 	}

core/src/com/etheller/warsmash/parsers/w3x/w3i/Player.java

@@ -30,13 +30,13 @@ public void load(final LittleEndianDataInputStream stream, final int version) th
 		ParseUtils.readFloatArray(stream, this.startLocation);
 		this.allyLowPriorities = ParseUtils.readUInt32(stream);
 		this.allyHighPriorities = ParseUtils.readUInt32(stream);
-		if (version > 30) {
+		if (version >= 31) {
 			this.enemyLowPrioritiesFlags = ParseUtils.readUInt32(stream);
 			this.enemyHighPrioritiesFlags = ParseUtils.readUInt32(stream);
 		}
 	}
 
-	public void save(final LittleEndianDataOutputStream stream) throws IOException {
+	public void save(final LittleEndianDataOutputStream stream, int version) throws IOException {
 		ParseUtils.writeUInt32(stream, this.id);
 		stream.writeInt(this.type);
 		stream.writeInt(this.race);
@@ -45,10 +45,10 @@ public void save(final LittleEndianDataOutputStream stream) throws IOException {
 		ParseUtils.writeFloatArray(stream, this.startLocation);
 		ParseUtils.writeUInt32(stream, this.allyLowPriorities);
 		ParseUtils.writeUInt32(stream, this.allyHighPriorities);
-	}
-
-	public int getByteLength() {
-		return 33 + this.name.length();
+		if (version >= 31) {
+			ParseUtils.writeUInt32(stream, this.enemyLowPrioritiesFlags);
+			ParseUtils.writeUInt32(stream, this.enemyHighPrioritiesFlags);
+		}
 	}
 
 	public int getId() {