Convert project to Android Studio.

.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+.idea
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+/release

CuckooChess/.classpath

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="src" path="test"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
-	<classpathentry kind="src" path="/CuckooChessEngine"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>

CuckooChess/.externalToolBuilders/jar_builder.launch

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
-<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
-<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
-<booleanAttribute key="org.eclipse.ant.uiSET_INPUTHANDLER" value="false"/>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/CuckooChess/build_jar.xml"/>
-</listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="1"/>
-</listAttribute>
-<booleanAttribute key="org.eclipse.debug.core.capture_output" value="false"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_CONSOLE_OUTPUT_ON" value="false"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
-<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="CuckooChess"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;launchConfigurationWorkingSet editPageId=&quot;org.eclipse.ui.resourceWorkingSetPage&quot; factoryID=&quot;org.eclipse.ui.internal.WorkingSetFactory&quot; id=&quot;1277013474529_4&quot; label=&quot;workingSet&quot; name=&quot;workingSet&quot;&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/CuckooChess/src&quot; type=&quot;2&quot;/&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/CuckooChessEngine&quot; type=&quot;4&quot;/&gt;&#10;&lt;/launchConfigurationWorkingSet&gt;}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/CuckooChess/build_jar.xml}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/CuckooChess}"/>
-</launchConfiguration>

CuckooChess/.gitignore

@@ -1,2 +1 @@
-/bin
+/build
-/deploy

CuckooChess/.project

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>CuckooChess</name>
-	<comment></comment>
-	<projects>
-		<project>CuckooChessEngine</project>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>auto,full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/jar_builder.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>

CuckooChess/.settings/org.eclipse.jdt.core.prefs

@@ -1,12 +0,0 @@
-#Sat May 08 15:39:56 CEST 2010
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.6
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.6

CuckooChess/.settings/org.eclipse.ltk.core.refactoring.prefs

@@ -1,3 +0,0 @@
-#Sun May 09 18:44:06 CEST 2010
-eclipse.preferences.version=1
-org.eclipse.ltk.core.refactoring.enable.project.refactoring.history=false

CuckooChess/build.gradle

@@ -0,0 +1,23 @@
+apply plugin: 'java-library'
+
+jar {
+  manifest {
+    attributes "Main-Class": "tui.Main"
+  }
+  from zipTree('../CuckooChessEngine/build/libs/CuckooChessEngine.jar')
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation project(':CuckooChessEngine')
+
+    // Required -- JUnit 4 framework
+    testImplementation 'junit:junit:4.12'
+    // Optional -- Robolectric environment
+    testImplementation 'androidx.test:core:1.0.0'
+    // Optional -- Mockito framework
+    testImplementation 'org.mockito:mockito-core:1.10.19'
+}
+
+sourceCompatibility = "7"
+targetCompatibility = "7"

CuckooChess/build_jar.xml

@@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project default="create_run_jar" name="Create Runnable Jar for Project CuckooChess">
-    <!--this file was created by Eclipse Runnable JAR Export Wizard-->
-    <!--ANT 1.7 is required                                        -->
-    <target name="create_run_jar">
-        <jar destfile="deploy/CuckooChess.jar"
-        	filesetmanifest="skip"
-        	update="false" duplicate="fail">
-            <manifest>
-                <attribute name="Main-Class" value="tui.Main"/>
-                <attribute name="Class-Path" value="."/>
-            </manifest>
-
-        	<fileset dir="../CuckooChessEngine/bin">
-        	  <include name="**/*"/>
-        	  <exclude name="**/*Test.class"/>
-        	</fileset>
-        	<fileset dir="../CuckooChessEngine">
-        		<include name="src/**/*.java"/>
-        		<include name="test/**/*.java"/>
-        	</fileset>
-            	
-        	<fileset dir="bin">
-        	  <include name="**/*"/>
-        	  <exclude name="**/*Test.class"/>
-        	</fileset>
-        	<fileset dir=".">
-        		<include name="src/**/*.java"/>
-        		<include name="test/**/*.java"/>
-        	</fileset>
-        </jar>
-    </target>
-</project>

CuckooChessAPK/.classpath

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="src" path="gen"/>
-	<classpathentry exported="true" kind="src" path="/CuckooChessEngine"/>
-	<classpathentry kind="con" path="org.eclipse.andmore.ANDROID_FRAMEWORK"/>
-	<classpathentry exported="true" kind="con" path="org.eclipse.andmore.LIBRARIES"/>
-	<classpathentry exported="true" kind="con" path="org.eclipse.andmore.DEPENDENCIES"/>
-	<classpathentry kind="output" path="bin/classes"/>
-</classpath>

CuckooChessAPK/.gitignore

@@ -1,2 +0,0 @@
-/bin
-/gen

CuckooChessAPK/.project

@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>CuckooChessAPK</name>
-	<comment></comment>
-	<projects>
-		<project>CuckooChessEngine</project>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.andmore.ResourceManagerBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.andmore.PreCompilerBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.andmore.ApkBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.andmore.AndroidNature</nature>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>

CuckooChessAPK/.settings/org.eclipse.jdt.core.prefs

@@ -1,12 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.6
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.6

CuckooChessAPK/project.properties

@@ -1,13 +0,0 @@
-# This file is automatically generated by Android Tools.
-# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
-#
-# This file must be checked in Version Control Systems.
-#
-# To customize properties used by the Ant build system use,
-# "ant.properties", and override values to adapt the script to your
-# project structure.
-
-# Indicates whether an apk should be generated for each density.
-split.density=false
-# Project target.
-target=android-28

CuckooChessApp/.gitignore

@@ -0,0 +1 @@
+/build

CuckooChessApp/build.gradle

@@ -0,0 +1,45 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+
+    defaultConfig {
+        applicationId "org.petero.cuckoochess"
+        minSdkVersion 14
+        targetSdkVersion 28
+        versionCode 2
+        versionName "1.05"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+
+    if(project.hasProperty("RELEASE_STORE_FILE")) {
+        signingConfigs {
+            release {
+                storeFile file(RELEASE_STORE_FILE)
+                storePassword RELEASE_STORE_PASSWORD
+                keyAlias RELEASE_KEY_ALIAS
+                keyPassword RELEASE_KEY_PASSWORD
+            }
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            if(project.hasProperty("RELEASE_STORE_FILE")) {
+                signingConfig signingConfigs.release
+            }
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation project(':CuckooChessEngine')
+}

CuckooChessApp/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

CuckooChessApp/src/main/AndroidManifest.xml

@@ -1,11 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest package="org.petero.cuckoochess"
-    android:versionCode="2"
-    android:versionName="1.05"
     xmlns:android="http://schemas.android.com/apk/res/android">
     <application android:icon="@drawable/icon"
-    			 android:label="@string/app_name"
+    			 android:label="@string/app_name">
-    			 android:debuggable="false">
         <activity android:name=".CuckooChess"
                   android:label="@string/app_name">
             <intent-filter>
@@ -15,5 +12,4 @@
         </activity>
         <activity android:name="Preferences" android:label="Preferences"></activity>
     </application>
-    <uses-sdk android:minSdkVersion="14" />
 </manifest>

CuckooChessEngine/.classpath

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>

CuckooChessEngine/.externalToolBuilders/BinBook_Builder.launch

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
-<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
-<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
-<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/CuckooChessEngine/src/book.bin&quot; type=&quot;1&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
-<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="CuckooChessEngine"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/CuckooChessEngine/build_binbook.xml&quot; type=&quot;1&quot;/&gt;&#10;&lt;item path=&quot;/CuckooChessEngine/src/book.txt&quot; type=&quot;1&quot;/&gt;&#10;&lt;item path=&quot;/CuckooChessEngine/src/chess/Book.java&quot; type=&quot;1&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/CuckooChessEngine/build_binbook.xml}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/CuckooChessEngine}"/>
-</launchConfiguration>

CuckooChessEngine/.gitignore

@@ -1 +1,2 @@
-/bin
+build
+src/main/resources/book.bin

CuckooChessEngine/.project

@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>CuckooChessEngine</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>auto,full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/BinBook_Builder.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>

CuckooChessEngine/.settings/org.eclipse.jdt.core.prefs

@@ -1,12 +0,0 @@
-#Sun May 09 18:17:45 CEST 2010
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.6
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.6

CuckooChessEngine/build.gradle

@@ -0,0 +1,26 @@
+apply plugin: 'java-library'
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+
+    // Required -- JUnit 4 framework
+    testImplementation 'junit:junit:4.12'
+    // Optional -- Robolectric environment
+    testImplementation 'androidx.test:core:1.0.0'
+    // Optional -- Mockito framework
+    testImplementation 'org.mockito:mockito-core:1.10.19'
+}
+
+sourceCompatibility = "7"
+targetCompatibility = "7"
+
+
+// Build internal opening book
+task buildBook {
+    def a = "CuckooChessEngine/src/main/book.txt"
+    def b = "CuckooChessEngine/src/main/resources/book.bin"
+    chess.Book.main2(a, b)
+}
+tasks.withType(JavaCompile) {
+    t -> t.dependsOn buildBook
+}

CuckooChessEngine/build_binbook.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project default="build_binbook" name="Build book.bin">
-    <target name="build_binbook">
-        <java classname="chess.Book">
-        	<classpath>
-                <pathelement location="bin"/>
-                <pathelement location="../DroidFish/bin/classes"/>
-        	</classpath>
-            <arg value="${basedir}/src/book.txt"/>  
-            <arg value="${basedir}/src/book.bin"/>
-        </java>
-    </target>
-</project>

CuckooChessEngine/src/.gitignore

@@ -1 +0,0 @@
-/book.bin

CuckooChessEngine/src/main/java/chess/Book.java

@@ -0,0 +1,195 @@
+/*
+    CuckooChess - A java chess program.
+    Copyright (C) 2011  Peter Österlund, peterosterlund2@gmail.com
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package chess;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.LineNumberReader;
+import java.security.SecureRandom;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+
+/** Implements an opening book. */
+public class Book {
+    public static class BookEntry {
+        Move move;
+        int count;
+        BookEntry(Move move) {
+            this.move = move;
+            count = 1;
+        }
+    }
+    private static Map<Long, List<BookEntry>> bookMap;
+    private static Random rndGen;
+    private static int numBookMoves = -1;
+    private boolean verbose;
+
+    public Book(boolean verbose) {
+        this.verbose = verbose;
+    }
+
+    private void initBook() {
+        if (numBookMoves >= 0)
+            return;
+        long t0 = System.currentTimeMillis();
+        bookMap = new HashMap<Long, List<BookEntry>>();
+        rndGen = new SecureRandom();
+        rndGen.setSeed(System.currentTimeMillis());
+        numBookMoves = 0;
+        try {
+            InputStream inStream = getClass().getResourceAsStream("/book.bin");
+            List<Byte> buf = new ArrayList<Byte>(8192);
+            byte[] tmpBuf = new byte[1024];
+            while (true) {
+                int len = inStream.read(tmpBuf);
+                if (len <= 0) break;
+                for (int i = 0; i < len; i++)
+                    buf.add(tmpBuf[i]);
+            }
+            inStream.close();
+            Position startPos = TextIO.readFEN(TextIO.startPosFEN);
+            Position pos = new Position(startPos);
+            UndoInfo ui = new UndoInfo();
+            int len = buf.size();
+            for (int i = 0; i < len; i += 2) {
+                int b0 = buf.get(i); if (b0 < 0) b0 += 256;
+                int b1 = buf.get(i+1); if (b1 < 0) b1 += 256;
+                int move = (b0 << 8) + b1;
+                if (move == 0) {
+                    pos = new Position(startPos);
+                } else {
+                    boolean bad = ((move >> 15) & 1) != 0;
+                    int prom = (move >> 12) & 7;
+                    Move m = new Move(move & 63, (move >> 6) & 63,
+                                      promToPiece(prom, pos.whiteMove));
+                    if (!bad)
+                        addToBook(pos, m);
+                    pos.makeMove(m, ui);
+                }
+            }
+        } catch (ChessParseError ex) {
+            throw new RuntimeException();
+        } catch (IOException ex) {
+            System.out.println("Can't read opening book resource");
+            throw new RuntimeException();
+        }
+        if (verbose) {
+            long t1 = System.currentTimeMillis();
+            System.out.printf("Book moves:%d (parse time:%.3f)%n", numBookMoves,
+                    (t1 - t0) / 1000.0);
+        }
+    }
+
+    /** Add a move to a position in the opening book. */
+    private void addToBook(Position pos, Move moveToAdd) {
+        List<BookEntry> ent = bookMap.get(pos.zobristHash());
+        if (ent == null) {
+            ent = new ArrayList<BookEntry>();
+            bookMap.put(pos.zobristHash(), ent);
+        }
+        for (int i = 0; i < ent.size(); i++) {
+            BookEntry be = ent.get(i);
+            if (be.move.equals(moveToAdd)) {
+                be.count++;
+                return;
+            }
+        }
+        BookEntry be = new BookEntry(moveToAdd);
+        ent.add(be);
+        numBookMoves++;
+    }
+
+    /** Return a random book move for a position, or null if out of book. */
+    public final Move getBookMove(Position pos) {
+        initBook();
+        List<BookEntry> bookMoves = bookMap.get(pos.zobristHash());
+        if (bookMoves == null) {
+            return null;
+        }
+        
+        MoveGen.MoveList legalMoves = new MoveGen().pseudoLegalMoves(pos);
+        MoveGen.removeIllegal(pos, legalMoves);
+        int sum = 0;
+        for (int i = 0; i < bookMoves.size(); i++) {
+            BookEntry be = bookMoves.get(i);
+            boolean contains = false;
+            for (int mi = 0; mi < legalMoves.size; mi++)
+                if (legalMoves.m[mi].equals(be.move)) {
+                    contains = true;
+                    break;
+                }
+            if  (!contains) {
+                // If an illegal move was found, it means there was a hash collision.
+                return null;
+            }
+            sum += getWeight(bookMoves.get(i).count);
+        }
+        if (sum <= 0) {
+            return null;
+        }
+        int rnd = rndGen.nextInt(sum);
+        sum = 0;
+        for (int i = 0; i < bookMoves.size(); i++) {
+            sum += getWeight(bookMoves.get(i).count);
+            if (rnd < sum) {
+                return bookMoves.get(i).move;
+            }
+        }
+        // Should never get here
+        throw new RuntimeException();
+    }
+
+    final private int getWeight(int count) {
+        double tmp = Math.sqrt(count);
+        return (int)(tmp * Math.sqrt(tmp) * 100 + 1);
+    }
+
+    /** Return a string describing all book moves. */
+    public final String getAllBookMoves(Position pos) {
+        initBook();
+        StringBuilder ret = new StringBuilder();
+        List<BookEntry> bookMoves = bookMap.get(pos.zobristHash());
+        if (bookMoves != null) {
+            for (BookEntry be : bookMoves) {
+                String moveStr = TextIO.moveToString(pos, be.move, false);
+                ret.append(moveStr);
+                ret.append("(");
+                ret.append(be.count);
+                ret.append(") ");
+            }
+        }
+        return ret.toString();
+    }
+
+    private static int promToPiece(int prom, boolean whiteMove) {
+        switch (prom) {
+        case 1: return whiteMove ? Piece.WQUEEN : Piece.BQUEEN;
+        case 2: return whiteMove ? Piece.WROOK  : Piece.BROOK;
+        case 3: return whiteMove ? Piece.WBISHOP : Piece.BBISHOP;
+        case 4: return whiteMove ? Piece.WKNIGHT : Piece.BKNIGHT;
+        default: return Piece.EMPTY;
+        }
+    }
+}

CuckooChessEngine/src/main/java/chess/Search.java

@@ -122,7 +122,7 @@ public class Search {
         void notifyDepth(int depth);
         void notifyCurrMove(Move m, int moveNr);
         void notifyPV(int depth, int score, int time, long nodes, int nps,
-                boolean isMate, boolean upperBound, boolean lowerBound, ArrayList<Move> pv);
+                      boolean isMate, boolean upperBound, boolean lowerBound, ArrayList<Move> pv);
         void notifyStats(long nodes, int nps, int time);
     }
 

CuckooChessEngine/src/main/java/guibase/ChessController.java

@@ -372,7 +372,7 @@ public class ChessController {
                 updateGUI();
                 setSelection();
             }
-        } else if (game.getGameState() != Game.GameState.ALIVE) {
+        } else if (game.getGameState() != GameState.ALIVE) {
             if (game.getLastMove() != null) {
                 game.processString("undo");
                 if (!humansTurn()) {
@@ -471,7 +471,7 @@ public class ChessController {
     final private void setStatusString() {
         String str = game.pos.whiteMove ? "White's move" : "Black's move";
         if (computerThread != null) str += " (thinking)";
-        if (game.getGameState() != Game.GameState.ALIVE) {
+        if (game.getGameState() != GameState.ALIVE) {
             str = game.getGameStateString();
         }
         gui.setStatusString(str);

CuckooChessEngineTest/.classpath

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
-	<classpathentry combineaccessrules="false" kind="src" path="/CuckooChessEngine"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>

CuckooChessEngineTest/.gitignore

@@ -1 +0,0 @@
-/bin

CuckooChessEngineTest/.project

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>CuckooChessEngineTest</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>

CuckooChessEngineTest/.settings/org.eclipse.jdt.core.prefs

@@ -1,11 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.7

DroidFish/.classpath

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="src" path="gen"/>
-	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/CuckooChessEngine"/>
-	<classpathentry kind="lib" path="libs/android-support-v4.jar"/>
-	<classpathentry kind="con" path="org.eclipse.andmore.ANDROID_FRAMEWORK"/>
-	<classpathentry exported="true" kind="con" path="org.eclipse.andmore.LIBRARIES"/>
-	<classpathentry exported="true" kind="con" path="org.eclipse.andmore.DEPENDENCIES"/>
-	<classpathentry kind="output" path="bin/classes"/>
-</classpath>

DroidFish/.externalToolBuilders/ECO_Builder.launch

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
-<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
-<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
-<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/DroidFish/assets/eco.dat&quot; type=&quot;1&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
-<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="DroidFish"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/DroidFish/build_eco.xml&quot; type=&quot;1&quot;/&gt;&#10;&lt;item path=&quot;/DroidFish/src/org/petero/droidfish&quot; type=&quot;2&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/DroidFish/build_eco.xml}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/DroidFish}"/>
-</launchConfiguration>

DroidFish/.externalToolBuilders/Native_Builder.launch

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.ui.externaltools.ProgramBuilderLaunchConfigurationType">
-<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/DroidFish/Native_Builder.log&quot; type=&quot;1&quot;/&gt;&#10;&lt;item path=&quot;/DroidFish/libs&quot; type=&quot;2&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<stringAttribute key="org.eclipse.debug.ui.ATTR_CAPTURE_IN_FILE" value="${build_project}/Native_Builder.log"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_BUILDER_ENABLED" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/DroidFish/jni&quot; type=&quot;2&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${env_var:NDK}/ndk-build"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_TOOL_ARGUMENTS" value="-j8"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/DroidFish}"/>
-</launchConfiguration>

DroidFish/.externalToolBuilders/copy_stockfish.launch

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
-<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
-<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
-<booleanAttribute key="org.eclipse.ant.uiSET_INPUTHANDLER" value="false"/>
-<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/DroidFish/assets&quot; type=&quot;2&quot;/&gt;&#10;&lt;item path=&quot;/DroidFish/copy_stockfish.log&quot; type=&quot;1&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/DroidFish/build_copy_exe.xml"/>
-</listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="1"/>
-</listAttribute>
-<stringAttribute key="org.eclipse.debug.ui.ATTR_CAPTURE_IN_FILE" value="${build_project}/copy_stockfish.log"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
-<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="DroidFish"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_BUILDER_ENABLED" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;resources&gt;&#10;&lt;item path=&quot;/DroidFish/build_copy_exe.xml&quot; type=&quot;1&quot;/&gt;&#10;&lt;item path=&quot;/DroidFish/libs&quot; type=&quot;2&quot;/&gt;&#10;&lt;/resources&gt;}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/DroidFish/build_copy_exe.xml}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/DroidFish}"/>
-</launchConfiguration>

DroidFish/.gitignore

@@ -1,7 +0,0 @@
-/libs
-/obj
-/bin
-/gen
-/proguard
-/copy_stockfish.log
-/Native_Builder.log

DroidFish/.project

@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>DroidFish</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.andmore.ResourceManagerBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.andmore.PreCompilerBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>auto,full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/Native_Builder.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>auto,full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/copy_stockfish.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>auto,full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/ECO_Builder.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.andmore.ApkBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.andmore.AndroidNature</nature>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>

DroidFish/.settings/org.eclipse.jdt.core.prefs

@@ -1,14 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.6
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.problem.missingEnumCaseDespiteDefault=disabled
-org.eclipse.jdt.core.compiler.source=1.6