Started Renderer

6 files changed, 311 insertions, 0 deletions

diff --git a/src/de/gamezock/metacraft/data/Map.java b/src/de/gamezock/metacraft/data/Map.java
new file mode 100644
index 0000000..e387628
--- /dev/null
+++ b/src/de/gamezock/metacraft/data/Map.java
@@ -0,0 +1,41 @@
+package de.gamezock.metacraft.data;
+
+public class Map {
+	private Tile[][] tiles;
+	private float[][] heightmap;
+	
+	private int width, height;
+	private int tileSize;
+	
+	public Map() {
+	  width = height = 1;
+	  
+	  heightmap = new float[width][height];
+	  heightmap[0][0] = 0;
+	  
+	  tiles = new Tile[width][height];
+	  tiles[0][0] = new Tile(new TestTile());
+	  
+	  tileSize = tiles[0][0].getData().getSize();
+	}
+	
+	public Tile getTile(int x, int y) {
+	  return tiles[x][y];
+	}
+	
+	public float getTileHeight(int x, int y) {
+	  return heightmap[x][y];
+	}
+	
+	public int getWidth() {
+	  return width;
+	}
+	
+	public int getHeight() {
+	  return height;
+	}
+	
+	public int getTileSize() {
+	  return tileSize;
+	}
+}
diff --git a/src/de/gamezock/metacraft/data/TestTile.java b/src/de/gamezock/metacraft/data/TestTile.java
new file mode 100644
index 0000000..94a2af1
--- /dev/null
+++ b/src/de/gamezock/metacraft/data/TestTile.java
@@ -0,0 +1,25 @@
+package de.gamezock.metacraft.data;
+
+public class TestTile extends TileData {
+  float[][] heightmap;
+  
+  public TestTile() {
+    heightmap = new float[getSize()+1][getSize()+1];
+    
+    for(int i = 0; i < getSize()+1; ++i) {
+      for(int j = 0; j < getSize()+1; ++j) {
+        heightmap[i][j] = 1 * ((i+j)%2);
+      }
+    }
+  }
+
+  @Override
+  public int getSize() {
+    return 8;
+  }
+  
+  @Override
+  public float[][] getHeightmap() {
+    return heightmap;
+  }
+}
diff --git a/src/de/gamezock/metacraft/data/Tile.java b/src/de/gamezock/metacraft/data/Tile.java
new file mode 100644
index 0000000..718c514
--- /dev/null
+++ b/src/de/gamezock/metacraft/data/Tile.java
@@ -0,0 +1,13 @@
+package de.gamezock.metacraft.data;
+
+public class Tile {
+  TileData tileData;
+  
+  public Tile(TileData tileData) {
+    this.tileData = tileData;
+  }
+  
+  public TileData getData() {
+    return tileData;
+  }
+}
diff --git a/src/de/gamezock/metacraft/data/TileData.java b/src/de/gamezock/metacraft/data/TileData.java
new file mode 100644
index 0000000..5a3103a
--- /dev/null
+++ b/src/de/gamezock/metacraft/data/TileData.java
@@ -0,0 +1,7 @@
+package de.gamezock.metacraft.data;
+
+public abstract class TileData {
+  public abstract int getSize();
+  
+  public abstract float[][] getHeightmap();
+}
diff --git a/src/de/gamezock/metacraft/ui/Main.java b/src/de/gamezock/metacraft/ui/Main.java
new file mode 100644
index 0000000..a721feb
--- /dev/null
+++ b/src/de/gamezock/metacraft/ui/Main.java
@@ -0,0 +1,137 @@
+package de.gamezock.metacraft.ui;
+
+import java.awt.Frame;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLProfile;
+import javax.media.opengl.awt.GLCanvas;
+import javax.media.opengl.glu.GLU;
+
+import de.gamezock.metacraft.data.Map;
+
+public class Main implements GLEventListener {
+  private Renderer renderer = new Renderer(this);
+  
+	private Frame frame = new Frame("metacraft");
+	/*private*/ GLCanvas canvas;
+	
+	private GLU glu = new GLU();
+	
+	private Map currentMap = new Map();
+	
+	public Main() {
+	  GLCapabilities caps = new GLCapabilities(GLProfile.get(GLProfile.GL2));
+	  caps.setHardwareAccelerated(true);
+	  caps.setDoubleBuffered(true);
+	  
+	  canvas = new GLCanvas(caps);
+	  canvas.addGLEventListener(this);
+	  
+	  frame.add(canvas);
+		frame.setSize(800, 600);
+		frame.setResizable(false);
+		frame.addWindowListener(new WindowAdapter() {
+			public void windowClosing(WindowEvent e) {
+				quit();
+			}
+		});
+		
+		frame.setVisible(true);
+		
+	}
+	
+	Map getCurrentMap() {
+	  return currentMap;
+	}
+	
+	@Override
+  public void display(GLAutoDrawable drawable) {
+	  renderer.render(drawable.getGL().getGL2());
+  }
+
+  @Override
+  public void dispose(GLAutoDrawable drawable) {
+  }
+
+  @Override
+  public void init(GLAutoDrawable drawable) {
+    GL2 gl = drawable.getGL().getGL2();
+    
+    gl.glShadeModel(GL2.GL_SMOOTH);
+    gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+    gl.glClearDepth(1.0f);
+    gl.glEnable(GL.GL_DEPTH_TEST);
+    gl.glDepthFunc(GL.GL_LEQUAL);
+    gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
+    
+    gl.glEnable(GL2.GL_LIGHTING);
+    
+    gl.glColorMaterial(GL.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE);
+    
+    gl.glMatrixMode(GL2.GL_MODELVIEW);
+    glu.gluLookAt(0, -10, -25, 0, 0, 0, 0, 1, 0);
+    
+    gl.glEnable(GL2.GL_LIGHT0);
+    gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_AMBIENT, new float[] {0, 0, 0, 1}, 0);
+    gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, new float[] {0.5f, 0.5f, 0.5f, 1}, 0);
+    gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, new float[] {0, 0, 0, 0}, 0);
+    gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, new float[] {10, 10, 10, 1}, 0);
+    
+    gl.glMaterialfv(GL.GL_FRONT, GL2.GL_SPECULAR, new float[] {0, 0, 0, 0}, 0);
+  }
+
+  @Override
+  public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+    GL2 gl = drawable.getGL().getGL2();
+    
+    if(height <= 0) {
+      height = 1;
+    }
+    
+    float aspect = (float)width / (float)height;
+    gl.glMatrixMode(GL2.GL_PROJECTION);
+    gl.glLoadIdentity();
+    glu.gluPerspective(50.0f, aspect, 0.1, 1000.0);
+    
+    gl.glMatrixMode(GL2.GL_MODELVIEW);
+  }
+	
+	public void quit() {
+		frame.dispose();
+		System.exit(0);
+	}
+	
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		final Main main = new Main();
+		
+		try {
+      Thread.sleep(500);
+    } catch (InterruptedException e) {
+    }
+		
+    new Thread(new Runnable() {
+
+      @Override
+      public void run() {
+        while(true) {
+          try {
+            Thread.sleep(10);
+          } catch (InterruptedException e) {
+          }
+          
+          main.canvas.display();
+        }
+      }
+      
+    }).start();
+	}
+}
diff --git a/src/de/gamezock/metacraft/ui/Renderer.java b/src/de/gamezock/metacraft/ui/Renderer.java
new file mode 100644
index 0000000..cea0480
--- /dev/null
+++ b/src/de/gamezock/metacraft/ui/Renderer.java
@@ -0,0 +1,88 @@
+package de.gamezock.metacraft.ui;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2;
+import javax.vecmath.Point3f;
+import javax.vecmath.Vector3f;
+
+import de.gamezock.metacraft.data.Map;
+import de.gamezock.metacraft.data.Tile;
+
+public class Renderer {
+  private Main main;
+  
+  public Renderer(Main main) {
+    this.main = main;
+  }
+  
+  private void renderTileQuad(GL2 gl, Tile tile, int x, int y) {
+    float[][] heightmap = tile.getData().getHeightmap();
+    
+    float[] h = new float[4];
+    h[0] = heightmap[x][y];
+    h[1] = heightmap[x+1][y];
+    h[2] = heightmap[x+1][y+1];
+    h[3] = heightmap[x][y+1];
+    
+    float center = (h[0] + h[1] + h[2] + h[3]) / 4;
+    
+    for(int i = 0; i < 4; ++i) {
+      int i_1 = (i+1)%4;
+      int i_2 = (i+2)%4;
+      
+      Point3f v1 = new Point3f(x + i_1/2, y + i/2, h[i]);
+      Point3f v2 = new Point3f(x+0.5f, y+0.5f, center);
+      Point3f v3 = new Point3f(x + i_2/2, y + i_1/2, h[i_1]);
+      
+      Vector3f edge1 = new Vector3f(), edge2 = new Vector3f();
+      
+      edge1.sub(v1, v2);
+      edge2.sub(v3, v2);
+      
+      Vector3f normal = new Vector3f();
+      normal.cross(edge1, edge2);
+      normal.normalize();
+      
+      gl.glColor3f(1, 1, 1);
+      gl.glNormal3f(normal.x, normal.y, normal.z);
+      gl.glVertex3f(v1.x, v1.y, v1.z);
+      gl.glVertex3f(v2.x, v2.y, v2.z);
+      gl.glVertex3f(v3.x, v3.y, v3.z);
+    }
+  }
+  
+  private void renderTile(GL2 gl, Tile tile) {
+    gl.glBegin(GL.GL_TRIANGLES);
+    
+    for(int i = 0; i < tile.getData().getSize(); ++i) {
+      for(int j = 0; j < tile.getData().getSize(); ++j) {
+        renderTileQuad(gl, tile, i, j);
+      }
+    }
+    
+    gl.glEnd();
+  }
+  
+  public void render(GL2 gl) {
+    gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+    
+    Map currentMap = main.getCurrentMap();
+    
+    gl.glPushMatrix();
+    gl.glRotatef((System.currentTimeMillis()%3600)/10.0f, 0, 0, 1);
+    
+    for(int i = 0; i < currentMap.getWidth(); ++i) {
+      for(int j = 0; j < currentMap.getHeight(); ++j) {
+        gl.glPushMatrix();
+        gl.glTranslatef(i*currentMap.getTileSize(), j*currentMap.getTileSize(), currentMap.getTileHeight(i, j));
+        
+        renderTile(gl, currentMap.getTile(i, j));
+        
+        gl.glPopMatrix();
+      }
+    }
+    
+    gl.glPopMatrix();
+  }
+
+}