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Simple maven packaging #13

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Simple maven packaging #13

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d66e438
Minor changes to load resources from classpath rather than files
acr31 Apr 13, 2021
2b8d18d
Maven config
acr31 Apr 13, 2021
6529046
restored indentation in main method
acr31 Apr 15, 2021
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65 changes: 65 additions & 0 deletions pom.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.github.amidos2006</groupId>
<artifactId>mario-ai-framework</artifactId>
<packaging>jar</packaging>
<version>1.0.0-SNAPSHOT</version>

<name>Mario-AI-Framework</name>
<description>The Mario AI framework is a framework for using AI methods with a version of Super Mario Bros.
</description>
<url>https://github.com/amidos2006/Mario-AI-Framework</url>

<licenses>
<license>
<name>Mario-AI-Framework License</name>
<url>https://github.com/amidos2006/Mario-AI-Framework#copyrights</url>
<distribution>repo</distribution>
</license>
</licenses>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

<developers>
<developer>
<id>amidos2006</id>
<name>Ahmed Khalifa</name>
<email>ahmed@akhalifa.com</email>
<url>http://www.akhalifa.com</url>
</developer>
</developers>

<scm>
<url>https://github.com/amidos2006/Mario-AI-Framework</url>
<developerConnection>scm:git:git@github.com:amidos2006/Mario-AI-Framework.git</developerConnection>
<tag>HEAD</tag>
</scm>

<build>
<sourceDirectory>src</sourceDirectory>
<resources>
<resource>
<directory>levels</directory>
</resource>
<resource>
<directory>img</directory>
</resource>
</resources>

<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
22 changes: 15 additions & 7 deletions src/PlayLevel.java
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Original file line number Diff line number Diff line change
@@ -1,4 +1,7 @@
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.nio.file.Files;
import java.nio.file.Paths;

Expand All @@ -23,17 +26,22 @@ public static void printResults(MarioResult result) {
}

public static String getLevel(String filepath) {
String content = "";
try {
content = new String(Files.readAllBytes(Paths.get(filepath)));
} catch (IOException e) {
try (Reader r = new InputStreamReader(PlayLevel.class.getResourceAsStream(filepath))) {
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Just wondering what this change is for?

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The previous version of the code tried to read level files from file paths. This means that you could only use it if you were running the Java code from a particular working directory in the source tree. If you tried to run it somewhere else, or packaged the code in a jar file then it can't load the level. Instead, what this does is load it as a resource - what you do is tell the system which is compiling your code that the levels folder is a resource folder (the maven config does this) and then when the code is built these are copied into the right place and packaged appropriately so that whenever the code is run (either directly or in a jar file) it can find the resources.

(Obviously the previous approach works find for you already so there's no imperative to accept this - but if you want the maven packaging then you should also do this too)

StringWriter writer = new StringWriter();
char[] buf = new char[1024];
int read;
while ((read = r.read(buf)) != -1) {
writer.write(buf, 0, read);
}
return content;
return writer.toString();
} catch (IOException e) {
return "";
}
}

public static void main(String[] args) {
MarioGame game = new MarioGame();
// printResults(game.playGame(getLevel("../levels/original/lvl-1.txt"), 200, 0));
printResults(game.runGame(new agents.robinBaumgarten.Agent(), getLevel("./levels/original/lvl-1.txt"), 20, 0, true));
// printResults(game.playGame(getLevel("/original/lvl-1.txt"), 200, 0));
printResults(game.runGame(new agents.robinBaumgarten.Agent(), getLevel("/original/lvl-1.txt"), 20, 0, true));
}
}
2 changes: 1 addition & 1 deletion src/engine/helper/Assets.java
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ public static void init(GraphicsConfiguration gc) {
private static Image getImage(GraphicsConfiguration gc, String imageName) throws IOException {
BufferedImage source = null;
try {
source = ImageIO.read(Assets.class.getResourceAsStream(imageName));
source = ImageIO.read(Assets.class.getResourceAsStream("/"+imageName));
} catch (Exception e) {
}

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