diff --git a/.idea/misc.xml b/.idea/misc.xml
index 25d34a4..57cdb8e 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="11" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="11" project-jdk-type="JavaSDK" />
 </project>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index c064301..0fbcc21 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ buildscript {
 }
 
 allprojects {
-    version = '1.0'
+    version = '0.1'
 
     ext {
         appName = "Cookery"
diff --git a/core/build.gradle b/core/build.gradle
index 889d596..d9b0752 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -1,6 +1,6 @@
 apply plugin: "java"
 
-sourceCompatibility = 1.7
+sourceCompatibility = 1.8
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 
 sourceSets {
diff --git a/core/src/se/cookery/world/Block.java b/core/src/se/cookery/world/Block.java
index 8cfca01..2ff0032 100644
--- a/core/src/se/cookery/world/Block.java
+++ b/core/src/se/cookery/world/Block.java
@@ -1,4 +1,43 @@
 package se.cookery.world;
 
+/**
+ * Class representing a block of the world.
+ *
+ * The class contains items, land type and world height information
+ */
 public class Block {
+    /**
+     * The size of a block in units of squares. The block is a square with size BLOCK_SIZE x BLOCK_SIZE.
+     **/
+    public static final int BLOCK_SIZE = 20;
+
+    private long offset_x = 0;
+    private long offset_y = 0;
+    private byte[][] height = new byte[BLOCK_SIZE][BLOCK_SIZE];
+    private byte[][] landType = new byte[BLOCK_SIZE][BLOCK_SIZE];
+
+
+    public long getBlockStartX(){
+        return offset_x;
+    }
+
+    public long getBlockStartY(){
+        return offset_y;
+    }
+
+    public long getBlockEndX(){
+        return offset_x + BLOCK_SIZE;
+    }
+
+    public long getBlockEndY(){
+        return offset_y + BLOCK_SIZE;
+    }
+
+    public int getHeight(long x, long y) {
+        return height[(int) Math.abs(x-offset_x)][(int) Math.abs(y-offset_y)];
+    }
+
+    public int getGround(long x, long y) {
+        return landType[(int) Math.abs(x-offset_x)][(int) Math.abs(y-offset_y)];
+    }
 }
diff --git a/core/src/se/cookery/world/Ground.java b/core/src/se/cookery/world/Ground.java
new file mode 100644
index 0000000..f251c76
--- /dev/null
+++ b/core/src/se/cookery/world/Ground.java
@@ -0,0 +1,8 @@
+package se.cookery.world;
+
+/**
+ * Class representing a ground material type.
+ */
+public class Ground {
+    private int id;
+}
diff --git a/core/src/se/cookery/world/GroundFactory.java b/core/src/se/cookery/world/GroundFactory.java
new file mode 100644
index 0000000..4a75e2f
--- /dev/null
+++ b/core/src/se/cookery/world/GroundFactory.java
@@ -0,0 +1,18 @@
+package se.cookery.world;
+
+import java.security.InvalidParameterException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class GroundFactory {
+    public static Map<Integer, Ground> groundTypes = new HashMap<>();
+
+
+    public static Ground get(int id) {
+        if (0 > id || id > groundTypes.size())
+            throw new InvalidParameterException("Provided id " + id + " is not associated dwith a ground type.");
+        return groundTypes.get(id);
+    }
+}
diff --git a/core/src/se/cookery/world/World.java b/core/src/se/cookery/world/World.java
index 2284967..dd6ec03 100644
--- a/core/src/se/cookery/world/World.java
+++ b/core/src/se/cookery/world/World.java
@@ -1,32 +1,21 @@
 package se.cookery.world;
 
+import se.cookery.world.gen.WorldGenerator;
+
 import java.util.Map;
 import java.util.TreeMap;
 
 public class World {
-    // Constants
-
-    /**
-     * The size in a virtual coordinate system unit. The square is a square with size BLOCK_SIZE x BLOCK_SIZE.
-     **/
-    public static final int SQUARE_SIZE = 1;
-
-    /**
-     * The size of a block in units of squares. The block is a square with size BLOCK_SIZE x BLOCK_SIZE.
-     **/
-    public static final int BLOCK_SIZE = 20;
-
-    // Variables
-
     private Map<Long, Map<Long, Block>> worldBlocks = new TreeMap<>();
+    private WorldGenerator generator;
 
 
-    public World() {
-
+    public World(WorldGenerator generator) {
+        this.generator = generator;
     }
 
     /**
-     * @return true if the block coordiante exists, otherwise false
+     * @return true if the block coordinate exists, otherwise false
      */
     public boolean blockExists(long x, long y) {
         return worldBlocks.get(x) != null && worldBlocks.get(x).get(y) != null;
@@ -37,6 +26,8 @@ public class World {
      * not exist then a new block will be generated for the requested coordinate
      */
     public Block getBlock(long x, long y) {
+        if (!blockExists(x, y))
+            generator.generateBlock(x, y);
         return null;
     }
 }
diff --git a/core/src/se/cookery/world/gen/GrassLandWorldGenerator.java b/core/src/se/cookery/world/gen/GrassLandWorldGenerator.java
new file mode 100644
index 0000000..a6275c4
--- /dev/null
+++ b/core/src/se/cookery/world/gen/GrassLandWorldGenerator.java
@@ -0,0 +1,11 @@
+package se.cookery.world.gen;
+
+import se.cookery.world.Block;
+
+public class GrassLandWorldGenerator implements WorldGenerator {
+
+    @Override
+    public Block generateBlock(long x, long y) {
+        return null;
+    }
+}
diff --git a/core/src/se/cookery/world/gen/WorldGenerator.java b/core/src/se/cookery/world/gen/WorldGenerator.java
new file mode 100644
index 0000000..c037b03
--- /dev/null
+++ b/core/src/se/cookery/world/gen/WorldGenerator.java
@@ -0,0 +1,19 @@
+package se.cookery.world.gen;
+
+import se.cookery.world.Block;
+
+/**
+ * Interface representing a world generation class.
+ *
+ * A class that implements this interface can be used
+ * to generate a static or dynamic world.
+ */
+public interface WorldGenerator {
+
+    /**
+     * Method to generate a block with the provided coordinates,
+     * calling this method with the same parameters will always
+     * return a new Block object but with the same values.
+     */
+    Block generateBlock(long x, long y);
+}
diff --git a/core/test/se/cookery/world/GroundFactoryTest.java b/core/test/se/cookery/world/GroundFactoryTest.java
new file mode 100644
index 0000000..d32b2ad
--- /dev/null
+++ b/core/test/se/cookery/world/GroundFactoryTest.java
@@ -0,0 +1,21 @@
+package se.cookery.world;
+
+import org.junit.jupiter.api.Test;
+
+import java.security.InvalidParameterException;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class GroundFactoryTest {
+
+    @Test
+    void get() {
+        assertThrows(InvalidParameterException.class, () -> {
+            GroundFactory.get(-1);
+        });
+
+        assertThrows(InvalidParameterException.class, () -> {
+            GroundFactory.get(500);
+        });
+    }
+}
\ No newline at end of file
diff --git a/core/test/se/cookery/world/WorldTest.java b/core/test/se/cookery/world/WorldTest.java
index 0c5c636..0e8139a 100644
--- a/core/test/se/cookery/world/WorldTest.java
+++ b/core/test/se/cookery/world/WorldTest.java
@@ -1,18 +1,27 @@
 package se.cookery.world;
 
 import org.junit.jupiter.api.Test;
+import se.cookery.world.gen.GrassLandWorldGenerator;
 
-import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.*;
 
 public class WorldTest {
 
     @Test
     public void blockExists() {
-        World w = new World();
-        assertNull(w.getBlock(0, 0));
+        World w = new World(new GrassLandWorldGenerator());
+        assertFalse(w.blockExists(0, 0));
+        assertFalse(w.blockExists(Long.MAX_VALUE, Long.MAX_VALUE));
+        assertFalse(w.blockExists(Long.MIN_VALUE, Long.MAX_VALUE));
+        assertFalse(w.blockExists(Long.MAX_VALUE, Long.MIN_VALUE));
+        assertFalse(w.blockExists(Long.MIN_VALUE, Long.MIN_VALUE));
     }
 
     @Test
     public void getBlock() {
+        World w = new World(new GrassLandWorldGenerator());
+        assertFalse(w.blockExists(0, 0));
+        assertNotNull(w.getBlock(0,0));
+        assertTrue(w.blockExists(0, 0));
     }
 }
\ No newline at end of file
diff --git a/core/test/se/cookery/world/gen/GrassLandWorldGeneratorTest.java b/core/test/se/cookery/world/gen/GrassLandWorldGeneratorTest.java
new file mode 100644
index 0000000..c88d813
--- /dev/null
+++ b/core/test/se/cookery/world/gen/GrassLandWorldGeneratorTest.java
@@ -0,0 +1,13 @@
+package se.cookery.world.gen;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class GrassLandWorldGeneratorTest {
+
+    @Test
+    void generateBlock() {
+
+    }
+}
\ No newline at end of file
diff --git a/desktop/build.gradle b/desktop/build.gradle
index c046cb1..08c83c7 100644
--- a/desktop/build.gradle
+++ b/desktop/build.gradle
@@ -1,6 +1,6 @@
 apply plugin: "java"
 
-sourceCompatibility = 1.7
+sourceCompatibility = 1.8
 sourceSets.main.java.srcDirs = [ "src/" ]
 sourceSets.main.resources.srcDirs = ["../android/assets"]
 
diff --git a/ios/build.gradle b/ios/build.gradle
index b642f42..418201d 100644
--- a/ios/build.gradle
+++ b/ios/build.gradle
@@ -1,6 +1,6 @@
 sourceSets.main.java.srcDirs = [ "src/" ]
 
-sourceCompatibility = '1.7'
+sourceCompatibility = '1.8'
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 
 dependencies {