Закончил 3-е упражнение 4-й главы

This commit is contained in:
2025-12-25 12:01:15 +01:00
parent ebee2b3ff4
commit 2a9136b2f3
23 changed files with 1200 additions and 0 deletions

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## Gradle:
.gradle/
gradle-app.setting
/build/
/android/build/
/core/build/
/lwjgl2/build/
/lwjgl3/build/
/html/build/
/teavm/build/
/ios/build/
/ios-moe/build/
/headless/build/
/server/build/
/shared/build/
## Java:
*.class
*.war
*.ear
hs_err_pid*
.attach_pid*
## Android:
/android/libs/armeabi-v7a/
/android/libs/arm64-v8a/
/android/libs/x86/
/android/libs/x86_64/
/android/gen/
/android/out/
local.properties
com_crashlytics_export_strings.xml
## Robovm:
/ios/robovm-build/
## iOS:
/ios/xcode/*.xcodeproj/*
!/ios/xcode/*.xcodeproj/xcshareddata
!/ios/xcode/*.xcodeproj/project.pbxproj
/ios/xcode/native/
/ios/IOSLauncher.app
/ios/IOSLauncher.app.dSYM
## GWT:
/html/war/
/html/gwt-unitCache/
.apt_generated/
/html/war/WEB-INF/deploy/
/html/war/WEB-INF/classes/
.gwt/
gwt-unitCache/
www-test/
.gwt-tmp/
## TeaVM:
# Not sure yet...
## IntelliJ, Android Studio:
.idea/
*.ipr
*.iws
*.iml
## Eclipse:
.classpath
.project
.metadata/
/android/bin/
/core/bin/
/lwjgl2/bin/
/lwjgl3/bin/
/html/bin/
/teavm/bin/
/ios/bin/
/ios-moe/bin/
/headless/bin/
/server/bin/
/shared/bin/
*.tmp
*.bak
*.swp
*~.nib
.settings/
.loadpath
.externalToolBuilders/
*.launch
## NetBeans:
/nbproject/private/
/android/nbproject/private/
/core/nbproject/private/
/lwjgl2/nbproject/private/
/lwjgl3/nbproject/private/
/html/nbproject/private/
/teavm/nbproject/private/
/ios/nbproject/private/
/ios-moe/nbproject/private/
/headless/nbproject/private/
/server/nbproject/private/
/shared/nbproject/private/
/nbbuild/
/android/nbbuild/
/core/nbbuild/
/lwjgl2/nbbuild/
/lwjgl3/nbbuild/
/html/nbbuild/
/teavm/nbbuild/
/ios/nbbuild/
/ios-moe/nbbuild/
/headless/nbbuild/
/server/nbbuild/
/shared/nbbuild/
/dist/
/android/dist/
/core/dist/
/lwjgl2/dist/
/lwjgl3/dist/
/html/dist/
/teavm/dist/
/ios/dist/
/ios-moe/dist/
/headless/dist/
/server/dist/
/shared/dist/
/nbdist/
/android/nbdist/
/core/nbdist/
/lwjgl2/nbdist/
/lwjgl3/nbdist/
/html/nbdist/
/teavm/nbdist/
/ios/nbdist/
/ios-moe/nbdist/
/headless/nbdist/
/server/nbdist/
/shared/nbdist/
nbactions.xml
nb-configuration.xml
## OS-Specific:
.DS_Store
Thumbs.db
## Miscellaneous:
*~
*.*#
*#*#
/.kotlin/
/assets/assets.txt
## Special cases:
## There is a resource-config.json file generated by nativeimage.gradle if you use Graal Native Image.
## Some usage may need extra resource configuration in a different file with the same name.
## You could also add that configuration to the text in nativeimage.gradle .
## You should delete or comment out the next line if you have configuration in a different resource-config.json .
**/resource-config.json

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5 4
1 1
1 1
1 0
1 1
1 0
0 1
1 0
0 1
0 0
1 1
0 1
1 0
1 0
0 0
0 0
1 1
0 0
0 1
0 1
0 1

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buildscript {
}
plugins {
id "application"
}
apply plugin: 'java-library'
// From https://lyze.dev/2021/04/29/libGDX-Internal-Assets-List/
// The article can be helpful when using assets.txt in your project.
tasks.register('generateAssetList') {
inputs.dir("${project.rootDir}/assets/")
// projectFolder/assets
File assetsFolder = new File("${project.rootDir}/assets/")
// projectFolder/assets/assets.txt
File assetsFile = new File(assetsFolder, "assets.txt")
// delete that file in case we've already created it
assetsFile.delete()
// iterate through all files inside that folder
// convert it to a relative path
// and append it to the file assets.txt
fileTree(assetsFolder).collect { assetsFolder.relativePath(it) }.sort().each {
assetsFile.append(it + "\n")
}
}
processResources.dependsOn 'generateAssetList'
compileJava {
options.incremental = true
}
version = "$projectVersion"
ext.appName = 'Labyrinth'
repositories {
mavenCentral()
// You may want to remove the following line if you have errors downloading dependencies.
mavenLocal()
maven { url = 'https://central.sonatype.com/repository/maven-snapshots/' }
maven { url = 'https://jitpack.io' }
}
[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
sourceSets.main.resources.srcDirs += [ rootProject.file('assets').path ]
application.mainClass = 'net.caraus.labyrinth.lwjgl3.Lwjgl3Launcher'
java.sourceCompatibility = 17
java.targetCompatibility = 21
if (JavaVersion.current().isJava9Compatible()) {
compileJava.options.release.set(17)
}
dependencies {
api "com.badlogicgames.gdx:gdx:$gdxVersion"
implementation "com.badlogicgames.gdx:gdx-backend-lwjgl3:$gdxVersion"
implementation "com.badlogicgames.gdx:gdx-lwjgl3-angle:$gdxVersion"
implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
}
def os = System.properties['os.name'].toLowerCase(Locale.ROOT)
run {
workingDir = rootProject.file('assets').path
if (os.contains('mac')) jvmArgs += "-XstartOnFirstThread"
}
jar {
// sets the name of the .jar file this produces to the name of the game or app, with the version after.
archiveFileName.set("${appName}-${projectVersion}.jar")
// the duplicatesStrategy matters starting in Gradle 7.0; this setting works.
duplicatesStrategy = DuplicatesStrategy.EXCLUDE
dependsOn configurations.runtimeClasspath
from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
// these "exclude" lines remove some unnecessary duplicate files in the output JAR.
exclude('META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
dependencies {
exclude('META-INF/INDEX.LIST', 'META-INF/maven/**')
}
// setting the manifest makes the JAR runnable.
// enabling native access helps avoid a warning when Java 24 or later runs the JAR.
manifest {
attributes 'Main-Class': application.mainClass, 'Enable-Native-Access': 'ALL-UNNAMED'
}
// this last step may help on some OSes that need extra instruction to make runnable JARs.
doLast {
file(archiveFile).setExecutable(true, false)
}
}
// Builds a JAR that only includes the files needed to run on macOS, not Windows or Linux.
// The file size for a Mac-only JAR is about 7MB smaller than a cross-platform JAR.
tasks.register("jarMac") {
dependsOn("jar")
group("build")
jar.archiveFileName.set("${appName}-${projectVersion}-mac.jar")
jar.exclude("windows/x86/**", "windows/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", "**/*.dll", "**/*.so",
'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
dependencies {
jar.exclude("windows/x86/**", "windows/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**",
'META-INF/INDEX.LIST', 'META-INF/maven/**')
}
}
// Builds a JAR that only includes the files needed to run on Linux, not Windows or macOS.
// The file size for a Linux-only JAR is about 5MB smaller than a cross-platform JAR.
tasks.register("jarLinux") {
dependsOn("jar")
group("build")
jar.archiveFileName.set("${appName}-${projectVersion}-linux.jar")
jar.exclude("windows/x86/**", "windows/x64/**", "macos/arm64/**", "macos/x64/**", "**/*.dll", "**/*.dylib",
'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
dependencies {
jar.exclude("windows/x86/**", "windows/x64/**", "macos/arm64/**", "macos/x64/**",
'META-INF/INDEX.LIST', 'META-INF/maven/**')
}
}
// Builds a JAR that only includes the files needed to run on Windows, not Linux or macOS.
// The file size for a Windows-only JAR is about 6MB smaller than a cross-platform JAR.
tasks.register("jarWin") {
dependsOn("jar")
group("build")
jar.archiveFileName.set("${appName}-${projectVersion}-win.jar")
jar.exclude("macos/arm64/**", "macos/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**", "**/*.dylib", "**/*.so",
'META-INF/INDEX.LIST', 'META-INF/*.SF', 'META-INF/*.DSA', 'META-INF/*.RSA')
dependencies {
jar.exclude("macos/arm64/**", "macos/x64/**", "linux/arm32/**", "linux/arm64/**", "linux/x64/**",
'META-INF/INDEX.LIST', 'META-INF/maven/**')
}
}
distributions {
main {
contents {
into('libs') {
project.configurations.runtimeClasspath.files.findAll { file ->
file.getName() != project.tasks.jar.outputs.files.singleFile.name
}.each { file ->
exclude file.name
}
}
}
}
}
startScripts.dependsOn(':lwjgl3:jar')
startScripts.classpath = project.tasks.jar.outputs.files

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# This doesn't need to be false, and some projects may be able to take advantage of setting daemon to true.
# We set it to false by default in order to avoid too many daemons from being created and persisting; each needs RAM.
org.gradle.daemon=false
# Sets starting memory usage to 512MB, maximum memory usage to 1GB, and tries to set as much to use Unicode as we can.
org.gradle.jvmargs=-Xms512M -Xmx1G -Dfile.encoding=UTF-8 -Dconsole.encoding=UTF-8
# "Configure on-demand" must be false because it breaks projects that have Android modules. The default is also false.
org.gradle.configureondemand=false
# The logging level determines which messages get shown about how Gradle itself is working, such as if build.gradle
# files are fully future-proof (which they never are, because Gradle constantly deprecates working APIs).
# You can change 'quiet' below to 'lifecycle' to use Gradle's default behavior, which shows some confusing messages.
# You could instead change 'quiet' below to 'info' to see info that's important mainly while debugging build files.
# Note that if you want to use Gradle Build Scans, you should set the below logging level to 'lifecycle', otherwise
# the link to the scan won't get shown at all.
# Documented at: https://docs.gradle.org/current/userguide/command_line_interface.html#sec:command_line_logging
org.gradle.logging.level=quiet
enableGraalNative=false
graalHelperVersion=2.0.1
gdxVersion=1.14.0
projectVersion=1.0.0

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#This file is generated by updateDaemonJvm
toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73c462e34475aeb6509ab7ba3eda218f/redirect
toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/54001d0b636ad500b432d20ef3d580d0/redirect
toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73c462e34475aeb6509ab7ba3eda218f/redirect
toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/54001d0b636ad500b432d20ef3d580d0/redirect
toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/29c55e6bad8a0049163f0184625cecd9/redirect
toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/3ac7a5361c25c0b23d933f44bdb0abd9/redirect
toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73c462e34475aeb6509ab7ba3eda218f/redirect
toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/54001d0b636ad500b432d20ef3d580d0/redirect
toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/28937bb8a7f83f57de92429a9a11c04e/redirect
toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/52fa104f4f641439587f75dd68b31bc2/redirect
toolchainVersion=17

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
networkTimeout=10000
validateDistributionUrl=true
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/bin/sh
#
# Copyright © 2015 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
# This is normally unused
# shellcheck disable=SC2034
APP_BASE_NAME=${0##*/}
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
if ! command -v java >/dev/null 2>&1
then
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Collect all arguments for the java command:
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
# and any embedded shellness will be escaped.
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
# treated as '${Hostname}' itself on the command line.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@rem SPDX-License-Identifier: Apache-2.0
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
@rem This is normally unused
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:execute
@rem Setup the command line
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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package net.caraus.labyrinth;
public record Location(boolean leftWall, boolean upWall) {
@Override
public String toString() {
return String.format("(%s, %s)", leftWall, upWall);
}
}

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package net.caraus.labyrinth;
import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.Color;
import static com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.utils.ScreenUtils;
import java.io.BufferedReader;
import java.io.IOException;
/** {@link com.badlogic.gdx.ApplicationListener} implementation shared by all platforms. */
public class Main extends ApplicationAdapter {
private ShapeRenderer shape;
private Maze maze;
private RecursiveSolve solver;
@Override
public void create() {
shape = new ShapeRenderer();
FileHandle file = Gdx.files.internal("sample.txt");
try {
this.maze = new Maze(file.reader("utf-8"));
} catch (IOException e) {
}
this.solver = new RecursiveSolve(this.maze, new Point(0, 0), new Point(this.maze.width() - 1, 0));
this.solver.start();
}
@Override
public void render() {
ScreenUtils.clear(0.15f, 0.15f, 0.2f, 1f);
this.shape.begin(ShapeType.Line);
this.shape.setColor(Color.RED);
this.maze.draw(this.shape);
this.shape.setColor(Color.GREEN);
this.solver.draw(this.shape);
/* this.elapsedTime += Gdx.graphics.getDeltaTime();
if (this.elapsedTime > 1.0f) {
if (this.solver.solve() != Solution.CONTINUE) {
this.elapsedTime = Float.NEGATIVE_INFINITY;
} else {
this.elapsedTime -= 1.0f;
}
} */
this.shape.end();
}
@Override
public void dispose() {
this.shape.dispose();
}
}

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package net.caraus.labyrinth;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.math.Vector2;
import java.io.BufferedReader;
import java.io.Reader;
import java.io.IOException;
public final class Maze {
private Location[][] maze;
public static final int[] DX = {1, 0, -1, 0};
public static final int[] DY = {0, -1, 0, 1};
public static final float CELL_SIZE = 75.0f;
public Maze(Reader inputReader) throws IOException {
BufferedReader reader = new BufferedReader(inputReader);
String[] inputPair = reader.readLine().split(" ");
var width = Integer.parseInt(inputPair[0]);
var height = Integer.parseInt(inputPair[1]);
this.maze = new Location[width + 1][height + 1];
for (var y = 0; y <= height; ++y) {
for (var x = 0; x <= width; ++x) {
if (y == height || x == width) {
this.maze[x][y] = new Location(true, true);
} else {
inputPair = reader.readLine().split(" ");
this.maze[x][y] = new Location(inputPair[1].equals("1"), inputPair[0].equals("1"));
}
}
}
}
public int width() {
return this.maze == null ? 0 : this.maze.length - 1;
}
public int height() {
return this.maze == null ? 0 : this.maze[0].length - 1;
}
public void draw(ShapeRenderer shape) {
for (var x = 0; x < width(); ++x) {
for (var y = 0; y < height(); ++y) {
var start = new Vector2((x + 1) * CELL_SIZE, (height() - y + 1) * CELL_SIZE);
if (this.maze[x][y].upWall()) {
var end = new Vector2(start).add(CELL_SIZE, 0);
shape.line(start, end);
}
if (this.maze[x][y].leftWall()) {
var end = new Vector2(start).sub(0, CELL_SIZE);
shape.line(start, end);
}
}
}
// Рисуем нижнюю и правую стены.
var edge = new Vector2(CELL_SIZE * (width() + 1), CELL_SIZE);
shape.line(new Vector2(CELL_SIZE, CELL_SIZE), edge);
shape.line(new Vector2(edge).add(0, height() * CELL_SIZE), edge);
}
public boolean canGo(Point xy, int deltaIndex) {
if (DX[deltaIndex] == -1) {
return !this.maze[xy.x()][xy.y()].leftWall();
} else if (DX[deltaIndex] == 1) {
return !this.maze[xy.x() + 1][xy.y()].leftWall();
} else if (DY[deltaIndex] == -1) {
return !this.maze[xy.x()][xy.y()].upWall();
} else {
return !this.maze[xy.x()][xy.y() + 1].upWall();
}
}
public Location at(Point xy) {
return this.maze[xy.x()][xy.y()];
}
}

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package net.caraus.labyrinth;
public record Point(int x, int y) {
}

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package net.caraus.labyrinth;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import java.util.ArrayList;
import java.util.HashSet;
public final class RecursiveSolve extends Thread {
private Maze maze;
private Point start;
private Point finish;
private boolean[][] visited;
// Результирующий маршрут.
private ArrayList<Point> path;
public RecursiveSolve(Maze maze, Point start, Point finish) {
this.maze = maze;
this.start = start;
this.finish = finish;
this.visited = new boolean[this.maze.width()][this.maze.height()];
this.path = new ArrayList<>(this.maze.width() * this.maze.height() + 1);
for (var column: this.visited) {
for (var y = 0; y < column.length; ++y) {
column[y] = false;
}
}
}
private boolean solve(Point nLocation) throws InterruptedException {
this.visited[nLocation.x()][nLocation.y()] = true; // Пометить локацию как посещенную.
synchronized(this) {
this.path.add(nLocation); // Добавить ее в описание маршрута.
}
Thread.sleep(500);
// Если финишная локация найдена, конец алгоритма.
if (this.finish.equals(nLocation)) {
return true;
}
for (var i = 0; i < 4; ++i) {
// Если дорожка свободна, идем по ней.
var neighbour = new Point(nLocation.x() + Maze.DX[i], nLocation.y() + Maze.DY[i]);
if (maze.canGo(nLocation, i) && !this.visited[neighbour.x()][neighbour.y()]) {
// Если решение найдено, конец алгоритма.
if (solve(neighbour)) {
return true;
}
}
}
synchronized(this) {
this.path.remove(this.path.size() - 1);
}
return false;
}
@Override
public void run() {
try {
solve(this.start);
} catch (InterruptedException e) {
}
}
private void drawPoint(ShapeRenderer shape, Point nLocation) {
final float markSize = 20.0f;
final float halfMark = Maze.CELL_SIZE / 2 - markSize / 2;
shape.ellipse((nLocation.x() + 1) * Maze.CELL_SIZE + halfMark,
(this.maze.height() - nLocation.y()) * Maze.CELL_SIZE + halfMark,
markSize, markSize);
}
synchronized public void draw(ShapeRenderer shape) {
for (var point: this.path) {
drawPoint(shape, point);
}
}
}

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package net.caraus.labyrinth.lwjgl3;
import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
import net.caraus.labyrinth.Main;
/** Launches the desktop (LWJGL3) application. */
public class Lwjgl3Launcher {
public static void main(String[] args) {
if (StartupHelper.startNewJvmIfRequired()) return; // This handles macOS support and helps on Windows.
createApplication();
}
private static Lwjgl3Application createApplication() {
return new Lwjgl3Application(new Main(), getDefaultConfiguration());
}
private static Lwjgl3ApplicationConfiguration getDefaultConfiguration() {
Lwjgl3ApplicationConfiguration configuration = new Lwjgl3ApplicationConfiguration();
configuration.setTitle("Labyrinth");
//// Vsync limits the frames per second to what your hardware can display, and helps eliminate
//// screen tearing. This setting doesn't always work on Linux, so the line after is a safeguard.
configuration.useVsync(true);
//// Limits FPS to the refresh rate of the currently active monitor, plus 1 to try to match fractional
//// refresh rates. The Vsync setting above should limit the actual FPS to match the monitor.
configuration.setForegroundFPS(Lwjgl3ApplicationConfiguration.getDisplayMode().refreshRate + 1);
//// If you remove the above line and set Vsync to false, you can get unlimited FPS, which can be
//// useful for testing performance, but can also be very stressful to some hardware.
//// You may also need to configure GPU drivers to fully disable Vsync; this can cause screen tearing.
configuration.setWindowedMode(640, 480);
//// You can change these files; they are in lwjgl3/src/main/resources/ .
//// They can also be loaded from the root of assets/ .
configuration.setWindowIcon("libgdx128.png", "libgdx64.png", "libgdx32.png", "libgdx16.png");
//// This should improve compatibility with Windows machines with buggy OpenGL drivers, Macs
//// with Apple Silicon that have to emulate compatibility with OpenGL anyway, and more.
//// This uses the dependency `com.badlogicgames.gdx:gdx-lwjgl3-angle` to function.
//// You can choose to remove the following line and the mentioned dependency if you want; they
//// are not intended for games that use GL30 (which is compatibility with OpenGL ES 3.0).
configuration.setOpenGLEmulation(Lwjgl3ApplicationConfiguration.GLEmulation.ANGLE_GLES20, 0, 0);
return configuration;
}
}

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/*
* Copyright 2020 damios
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//Note, the above license and copyright applies to this file only.
package net.caraus.labyrinth.lwjgl3;
import com.badlogic.gdx.Version;
import com.badlogic.gdx.backends.lwjgl3.Lwjgl3NativesLoader;
import org.lwjgl.system.macosx.LibC;
import org.lwjgl.system.macosx.ObjCRuntime;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.lang.management.ManagementFactory;
import java.util.ArrayList;
import static org.lwjgl.system.JNI.invokePPP;
import static org.lwjgl.system.JNI.invokePPZ;
import static org.lwjgl.system.macosx.ObjCRuntime.objc_getClass;
import static org.lwjgl.system.macosx.ObjCRuntime.sel_getUid;
/**
* Adds some utilities to ensure that the JVM was started with the
* {@code -XstartOnFirstThread} argument, which is required on macOS for LWJGL 3
* to function. Also helps on Windows when users have names with characters from
* outside the Latin alphabet, a common cause of startup crashes.
* <br>
* <a href="https://jvm-gaming.org/t/starting-jvm-on-mac-with-xstartonfirstthread-programmatically/57547">Based on this java-gaming.org post by kappa</a>
* @author damios
*/
public class StartupHelper {
private static final String JVM_RESTARTED_ARG = "jvmIsRestarted";
private StartupHelper() {
throw new UnsupportedOperationException();
}
/**
* Starts a new JVM if the application was started on macOS without the
* {@code -XstartOnFirstThread} argument. This also includes some code for
* Windows, for the case where the user's home directory includes certain
* non-Latin-alphabet characters (without this code, most LWJGL3 apps fail
* immediately for those users). Returns whether a new JVM was started and
* thus no code should be executed.
* <p>
* <u>Usage:</u>
*
* <pre><code>
* public static void main(String... args) {
* if (StartupHelper.startNewJvmIfRequired(true)) return; // This handles macOS support and helps on Windows.
* // after this is the actual main method code
* }
* </code></pre>
*
* @param redirectOutput
* whether the output of the new JVM should be rerouted to the
* old JVM, so it can be accessed in the same place; keeps the
* old JVM running if enabled
* @return whether a new JVM was started and thus no code should be executed
* in this one
*/
public static boolean startNewJvmIfRequired(boolean redirectOutput) {
String osName = System.getProperty("os.name").toLowerCase(java.util.Locale.ROOT);
if (!osName.contains("mac")) {
if (osName.contains("windows")) {
// Here, we are trying to work around an issue with how LWJGL3 loads its extracted .dll files.
// By default, LWJGL3 extracts to the directory specified by "java.io.tmpdir", which is usually the user's home.
// If the user's name has non-ASCII (or some non-alphanumeric) characters in it, that would fail.
// By extracting to the relevant "ProgramData" folder, which is usually "C:\ProgramData", we avoid this.
// We also temporarily change the "user.name" property to one without any chars that would be invalid.
// We revert our changes immediately after loading LWJGL3 natives.
String programData = System.getenv("ProgramData");
if(programData == null) programData = "C:\\Temp\\"; // if ProgramData isn't set, try some fallback.
String prevTmpDir = System.getProperty("java.io.tmpdir", programData);
String prevUser = System.getProperty("user.name", "libGDX_User");
System.setProperty("java.io.tmpdir", programData + "/libGDX-temp");
System.setProperty("user.name", ("User_" + prevUser.hashCode() + "_GDX" + Version.VERSION).replace('.', '_'));
Lwjgl3NativesLoader.load();
System.setProperty("java.io.tmpdir", prevTmpDir);
System.setProperty("user.name", prevUser);
}
return false;
}
// There is no need for -XstartOnFirstThread on Graal native image
if (!System.getProperty("org.graalvm.nativeimage.imagecode", "").isEmpty()) {
return false;
}
// Checks if we are already on the main thread, such as from running via Construo.
long objc_msgSend = ObjCRuntime.getLibrary().getFunctionAddress("objc_msgSend");
long NSThread = objc_getClass("NSThread");
long currentThread = invokePPP(NSThread, sel_getUid("currentThread"), objc_msgSend);
boolean isMainThread = invokePPZ(currentThread, sel_getUid("isMainThread"), objc_msgSend);
if(isMainThread) return false;
long pid = LibC.getpid();
// check whether -XstartOnFirstThread is enabled
if ("1".equals(System.getenv("JAVA_STARTED_ON_FIRST_THREAD_" + pid))) {
return false;
}
// check whether the JVM was previously restarted
// avoids looping, but most certainly leads to a crash
if ("true".equals(System.getProperty(JVM_RESTARTED_ARG))) {
System.err.println(
"There was a problem evaluating whether the JVM was started with the -XstartOnFirstThread argument.");
return false;
}
// Restart the JVM with -XstartOnFirstThread
ArrayList<String> jvmArgs = new ArrayList<>();
String separator = System.getProperty("file.separator", "/");
// The following line is used assuming you target Java 8, the minimum for LWJGL3.
String javaExecPath = System.getProperty("java.home") + separator + "bin" + separator + "java";
// If targeting Java 9 or higher, you could use the following instead of the above line:
//String javaExecPath = ProcessHandle.current().info().command().orElseThrow();
if (!(new File(javaExecPath)).exists()) {
System.err.println(
"A Java installation could not be found. If you are distributing this app with a bundled JRE, be sure to set the -XstartOnFirstThread argument manually!");
return false;
}
jvmArgs.add(javaExecPath);
jvmArgs.add("-XstartOnFirstThread");
jvmArgs.add("-D" + JVM_RESTARTED_ARG + "=true");
jvmArgs.addAll(ManagementFactory.getRuntimeMXBean().getInputArguments());
jvmArgs.add("-cp");
jvmArgs.add(System.getProperty("java.class.path"));
String mainClass = System.getenv("JAVA_MAIN_CLASS_" + pid);
if (mainClass == null) {
StackTraceElement[] trace = Thread.currentThread().getStackTrace();
if (trace.length > 0) {
mainClass = trace[trace.length - 1].getClassName();
} else {
System.err.println("The main class could not be determined.");
return false;
}
}
jvmArgs.add(mainClass);
try {
if (!redirectOutput) {
ProcessBuilder processBuilder = new ProcessBuilder(jvmArgs);
processBuilder.start();
} else {
Process process = (new ProcessBuilder(jvmArgs))
.redirectErrorStream(true).start();
BufferedReader processOutput = new BufferedReader(
new InputStreamReader(process.getInputStream()));
String line;
while ((line = processOutput.readLine()) != null) {
System.out.println(line);
}
process.waitFor();
}
} catch (Exception e) {
System.err.println("There was a problem restarting the JVM");
e.printStackTrace();
}
return true;
}
/**
* Starts a new JVM if the application was started on macOS without the
* {@code -XstartOnFirstThread} argument. Returns whether a new JVM was
* started and thus no code should be executed. Redirects the output of the
* new JVM to the old one.
* <p>
* <u>Usage:</u>
*
* <pre>
* public static void main(String... args) {
* if (StartupHelper.startNewJvmIfRequired()) return; // This handles macOS support and helps on Windows.
* // the actual main method code
* }
* </pre>
*
* @return whether a new JVM was started and thus no code should be executed
* in this one
*/
public static boolean startNewJvmIfRequired() {
return startNewJvmIfRequired(true);
}
}

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