Initial commit
This commit is contained in:
YouHaveTrouble
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# User-specific stuff
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.idea/
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*.iml
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*.ipr
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*.iws
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# IntelliJ
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out/
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# Compiled class file
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*.class
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# Log file
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*.log
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# BlueJ files
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*.ctxt
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# Package Files #
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*.jar
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*.war
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*.nar
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*.ear
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*.zip
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*.tar.gz
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*.rar
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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*~
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# temporary files which can be created if a process still has a handle open of a deleted file
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.fuse_hidden*
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# KDE directory preferences
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.directory
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# Linux trash folder which might appear on any partition or disk
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.Trash-*
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# .nfs files are created when an open file is removed but is still being accessed
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.nfs*
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# General
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.DS_Store
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.AppleDouble
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.LSOverride
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# Icon must end with two \r
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Icon
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# Thumbnails
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._*
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# Files that might appear in the root of a volume
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.DocumentRevisions-V100
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.fseventsd
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.Spotlight-V100
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.TemporaryItems
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.Trashes
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.VolumeIcon.icns
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.com.apple.timemachine.donotpresent
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# Directories potentially created on remote AFP share
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.AppleDB
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.AppleDesktop
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Network Trash Folder
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Temporary Items
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.apdisk
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# Windows thumbnail cache files
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Thumbs.db
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Thumbs.db:encryptable
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ehthumbs.db
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ehthumbs_vista.db
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# Dump file
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*.stackdump
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# Folder config file
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[Dd]esktop.ini
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# Recycle Bin used on file shares
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$RECYCLE.BIN/
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# Windows Installer files
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*.cab
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*.msi
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*.msix
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*.msm
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*.msp
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# Windows shortcuts
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*.lnk
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target/
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pom.xml.tag
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pom.xml.releaseBackup
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pom.xml.versionsBackup
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pom.xml.next
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release.properties
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dependency-reduced-pom.xml
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buildNumber.properties
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.mvn/timing.properties
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.mvn/wrapper/maven-wrapper.jar
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.flattened-pom.xml
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# Common working directory
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run/
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@@ -0,0 +1,20 @@
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# PathfinderPath
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PathfinderPath is an API that allows you to use minecraft pathfinder to get a list of locations from the starting point
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up until the goal.
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## Usage
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This will initialize the path from location1 to location2 with pathfinder limit of 120 steps.
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```java
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Path path = new Path(location1, location2, 120);
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```
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This snippet demonstrates how to calculate path between the locations. Only result of SUCCESS will update the path list.
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```java
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PathCalculationResult result = path.recalculatePath();
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if (result.equals(PathCalculationResult.SUCCESS)) {
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List<Location> locations = path.getPath();
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}
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```
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>me.youhavetrouble</groupId>
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<artifactId>ParticlePathfinder</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>ParticlePathfinder</name>
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<properties>
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<java.version>1.8</java.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.1</version>
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<configuration>
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<source>${java.version}</source>
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<target>${java.version}</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.2.4</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<createDependencyReducedPom>false</createDependencyReducedPom>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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</resource>
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</resources>
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</build>
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<repositories>
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<repository>
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<id>papermc-repo</id>
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<url>https://papermc.io/repo/repository/maven-public/</url>
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</repository>
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<repository>
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<id>sonatype</id>
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<url>https://oss.sonatype.org/content/groups/public/</url>
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</repository>
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</repositories>
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<dependencies>
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<dependency>
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<groupId>com.destroystokyo.paper</groupId>
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<artifactId>paper-api</artifactId>
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<version>1.16.5-R0.1-SNAPSHOT</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.spigotmc</groupId>
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<artifactId>spigot</artifactId>
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<version>1.16.5-R0.1-SNAPSHOT</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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</project>
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@@ -0,0 +1,117 @@
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package me.youhavetrouble.pathfinderpath;
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import com.destroystokyo.paper.entity.Pathfinder;
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import net.minecraft.server.v1_16_R3.*;
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import org.bukkit.Bukkit;
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import org.bukkit.Location;
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import org.bukkit.attribute.Attribute;
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import org.bukkit.attribute.AttributeInstance;
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import org.bukkit.craftbukkit.v1_16_R3.CraftWorld;
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import org.bukkit.entity.Mob;
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import java.util.ArrayList;
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import java.util.List;
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public class Path {
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List<Location> path = new ArrayList<>();
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Location startLocation, endLocation;
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int pointLimit;
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/**
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* @param startLocation Location to start pathfinding from
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* @param endLocation Location that pathfinder is trying to reach
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* @param stepLimit Limit on how many maximum steps pathfinder will take
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*/
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public Path(Location startLocation, Location endLocation, int stepLimit) {
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this.startLocation = startLocation;
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this.endLocation = endLocation;
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this.pointLimit = stepLimit;
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}
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/**
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* Updates path Location list for getPath(). Calling this from any other thread than primary will result in ASYNC_ERROR result.
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*
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* @return Result of calculating path
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*/
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public PathCalculationResult recalculatePath() {
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if (!Bukkit.isPrimaryThread()) {
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return PathCalculationResult.ASYNC_ERROR;
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}
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// Clear all current points
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path.clear();
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if (startLocation.getWorld() != endLocation.getWorld())
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return PathCalculationResult.DIFFERENT_WORLD;
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Mob mob = spawnMob(startLocation, pointLimit);
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if (mob == null)
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return PathCalculationResult.FAILED_TO_SPAWN_MOB;
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Pathfinder.PathResult pathResult = mob.getPathfinder().findPath(endLocation);
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if (pathResult == null)
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return PathCalculationResult.PATH_NULL;
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for (Location point : pathResult.getPoints()) {
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// add the offset, so location points to the center of a block
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point.add(0.5, 0.25, 0.5);
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path.add(point);
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}
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mob.remove();
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return PathCalculationResult.SUCCESS;
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}
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public void setStartLocation(Location startLocation) {
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this.startLocation = startLocation;
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}
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public Location getStartLocation() {
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return startLocation;
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}
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public void setEndLocation(Location endLocation) {
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this.endLocation = endLocation;
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}
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public Location getEndLocation() {
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return endLocation;
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}
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public double getDistance() {
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return startLocation.distance(endLocation);
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}
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public double getDistanceSquared() {
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return startLocation.distanceSquared(endLocation);
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}
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public List<Location> getPath() {
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return path;
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}
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private Mob spawnMob(Location loc, int range) {
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// Create an NMS entity without adding it to the world to prevent clients from rendering it
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WorldServer nmsWorld = ((CraftWorld) loc.getWorld()).getHandle();
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EntityInsentient nmsEntity = EntityTypes.EVOKER.createCreature(nmsWorld, null, null, null, BlockPosition.ZERO, EnumMobSpawn.TRIGGERED, false, false);
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// If failed to spawn mob, return null
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if (nmsEntity == null)
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return null;
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nmsEntity.setPositionRotation(loc.getX(), loc.getY(), loc.getZ(), loc.getYaw(), loc.getPitch());
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// Convert nms entity to bukkit entity
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Mob mob = (Mob) nmsEntity.getBukkitEntity();
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// This is for setting pathfinder range
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AttributeInstance followRange = mob.getAttribute(Attribute.GENERIC_FOLLOW_RANGE);
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if (followRange != null) {
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followRange.setBaseValue(range);
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}
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return mob;
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}
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}
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@@ -0,0 +1,7 @@
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package me.youhavetrouble.pathfinderpath;
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public enum PathCalculationResult {
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SUCCESS, DIFFERENT_WORLD, FAILED_TO_SPAWN_MOB, PATH_NULL, ASYNC_ERROR
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}
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Reference in New Issue
Block a user