Started coursework

Assignments/04-Stag/04-Stag.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library" exported="">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/src/libs/dot-parser.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library" exported="">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/src/libs/json-parser.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="library" name="libs" level="project" />
+  </component>
+</module>

Assignments/04-Stag/src/Makefile

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+default: build
+
+build:
+	javac -classpath ./libs/dot-parser.jar:./libs/json-parser.jar:. StagServer.java
+
+run: build
+	java -classpath ./libs/dot-parser.jar:./libs/json-parser.jar:. StagServer data/entities.dot data/actions.json
+
+clean:
+	rm *.class

Assignments/04-Stag/src/ParserClass.java

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+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.util.ArrayList;
+
+import com.alexmerz.graphviz.ParseException;
+import com.alexmerz.graphviz.Parser;
+import com.alexmerz.graphviz.objects.Edge;
+import com.alexmerz.graphviz.objects.Graph;
+import com.alexmerz.graphviz.objects.Id;
+import com.alexmerz.graphviz.objects.Node;
+
+public class ParserClass {
+
+    public static void main(String[] args) {
+        FileReader in=null;
+        File f = new File( "C:\\Users\\Matt\\Documents\\CompSciLinux\\Java\\Assignments\\04-Stag\\src\\data/entities.dot" );
+
+        try {
+            in = new FileReader(f);
+            Parser p = new Parser();
+            p.parse(in);
+        } catch (FileNotFoundException e) {
+            System.out.println();
+        } catch (ParseException e) {
+            // do something if the parser caused a parser error
+        }
+
+        // everything ok
+        ArrayList<Graph> gl = p.getGraphs();
+
+        // do something with the Graph objects
+    }
+}
+

Assignments/04-Stag/src/StagClient.java

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+import java.io.*;
+import java.net.*;
+
+public class StagClient
+{
+    public static void main(String args[])
+    {
+        if(args.length != 1) System.out.println("Usage: java StageClient <player-name>");
+        else {
+            String playerName = args[0];
+            BufferedReader commandLine = new BufferedReader(new InputStreamReader(System.in));
+            while(true) handleNextCommand(commandLine, playerName);
+        }
+    }
+
+    private static void handleNextCommand(BufferedReader commandLine, String playerName)
+    {
+        try {
+            String incoming;
+            System.out.print("\n" + playerName + ": ");
+            String command = commandLine.readLine();
+            Socket socket = new Socket("127.0.0.1", 8888);
+            BufferedWriter out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
+            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+            out.write(playerName + ": " + command + "\n");
+            out.flush();
+            while((incoming = in.readLine()) != null) System.out.println(incoming);
+            in.close();
+            out.close();
+            socket.close();
+        } catch(IOException ioe) {
+            System.out.println(ioe);
+        }
+    }
+}

Assignments/04-Stag/src/StagServer.java

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+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+class StagServer
+{
+    public static void main(String args[])
+    {
+        if(args.length != 2) System.out.println("Usage: java StagServer <entity-file> <action-file>");
+        else new StagServer(args[0], args[1], 8888);
+    }
+
+    public StagServer(String entityFilename, String actionFilename, int portNumber)
+    {
+        try {
+            ServerSocket ss = new ServerSocket(portNumber);
+            System.out.println("Server Listening");
+            while(true) acceptNextConnection(ss);
+        } catch(IOException ioe) {
+            System.err.println(ioe);
+        }
+    }
+
+    private void acceptNextConnection(ServerSocket ss)
+    {
+        try {
+            // Next line will block until a connection is received
+            Socket socket = ss.accept();
+            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+            BufferedWriter out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
+            processNextCommand(in, out);
+            out.close();
+            in.close();
+            socket.close();
+        } catch(IOException ioe) {
+            System.err.println(ioe);
+        }
+    }
+
+    private void processNextCommand(BufferedReader in, BufferedWriter out) throws IOException
+    {
+        String line = in.readLine();
+        out.write("You said... " + line + "\n");
+    }
+}

Assignments/04-Stag/src/data/actions.json

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+{
+    "actions": [
+
+        {
+            "triggers": ["open", "unlock"],
+            "subjects": ["door", "key"],
+            "consumed": ["key"],
+            "produced": ["cellar"],
+            "narration": "You unlock the door and see steps leading down into a cellar"
+        },
+
+        {
+            "triggers": ["chop", "cut", "cutdown"],
+            "subjects": ["tree", "axe"],
+            "consumed": ["tree"],
+            "produced": ["log"],
+            "narration": "You cut down the tree with the axe"
+        },
+
+        {
+            "triggers": ["drink"],
+            "subjects": ["potion"],
+            "consumed": ["potion"],
+            "produced": ["health"],
+            "narration": "You drink the potion and your health improves"
+        },
+
+        {
+            "triggers": ["fight", "hit", "punch", "kick", "slap", "attack", "kill"],
+            "subjects": ["elf"],
+            "consumed": ["health"],
+            "produced": [],
+            "narration": "You attack the elf, but he fights back and you lose some health"
+        }
+    ]
+}

Assignments/04-Stag/src/data/entities.dot

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+digraph layout {
+    /* ortho splines just makes the arrows into straight lines (rather than curvy ones !) */
+    splines = ortho;
+    node [shape = "rect"];
+
+    subgraph locations {
+        subgraph cluster001 {
+            node [shape = "none"];
+            start [description = "An empty room"];
+            subgraph artefacts {
+                node [shape = "diamond"];
+                potion [description = "Magic potion"];
+            }
+            subgraph furniture {
+                node [shape = "hexagon"];
+                door [description = "Wooden door"];
+            }
+        }
+
+        subgraph cluster002 {
+            node [shape = "none"];
+            forest [description = "A dark forest"];
+            subgraph artefacts {
+                node [shape = "diamond"];
+                key [description = "Brass key"];
+            }
+        }
+
+        subgraph cluster003 {
+            node [shape = "none"];
+            cellar [description = "A dusty cellar"]
+            subgraph characters {
+                node [shape = "ellipse"];
+                elf [description = "Angry Elf"];
+            }
+        }
+    }
+
+    subgraph paths {
+        start -> forest;
+        forest -> start;
+        cellar -> start;
+    }
+
+}