1 files changed, 175 insertions, 0 deletions
diff --git a/core/src/ch/asynk/rustanddust/engine/Tile.java b/core/src/ch/asynk/rustanddust/engine/Tile.java
new file mode 100644
index 0000000..f44e763
--- /dev/null
+++ b/core/src/ch/asynk/rustanddust/engine/Tile.java
@@ -0,0 +1,175 @@
+package ch.asynk.rustanddust.engine;
+
+import java.util.List;
+import java.util.Iterator;
+import java.util.ArrayDeque;
+
+import com.badlogic.gdx.utils.Disposable;
+
+import com.badlogic.gdx.graphics.g2d.Batch;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
+import com.badlogic.gdx.math.Vector2;
+
+import ch.asynk.rustanddust.engine.Board;
+import ch.asynk.rustanddust.engine.gfx.Drawable;
+import ch.asynk.rustanddust.engine.gfx.StackedImages;
+
+public abstract class Tile implements Drawable, Disposable, Iterable<Pawn>
+{
+    public interface TileTerrain
+    {
+    }
+
+    protected int col;
+    protected int row;
+    protected float x;
+    protected float y;
+    private StackedImages overlays;
+    protected ArrayDeque<Pawn> stack;
+
+    public abstract int defense();
+    public abstract int exitCost();
+    public abstract int costFrom(Pawn pawn, Orientation side);
+
+    public abstract boolean isOffMap();
+    public abstract boolean isA(TileTerrain terrain);
+    public abstract boolean road(Orientation side);
+    public abstract boolean atLeastOneMove(Pawn pawn);
+    public abstract boolean blockLineOfSightFrom(Tile tile);
+
+    protected Tile(int col, int row)
+    {
+        this.col = col;
+        this.row = row;
+    }
+
+    public Tile(float x, float y, int col, int row, TextureAtlas atlas)
+    {
+        this.stack = new ArrayDeque<Pawn>();
+        this.x = x;
+        this.y = y;
+        this.col = col;
+        this.row = row;
+        this.overlays = new StackedImages(atlas);
+        this.overlays.centerOn(x, y);
+    }
+
+    public float getX() { return x; }
+    public float getY() { return y; }
+    public int getCol() { return col; }
+    public int getRow() { return row; }
+
+    @Override
+    public String toString()
+    {
+        return String.format("(%d;%d) %s", col, row, (isOffMap() ? "x" : ""));
+    }
+
+    public String toShort()
+    {
+        return String.format("(%d;%d)", col, row);
+    }
+
+    @Override
+    public void dispose()
+    {
+        stack.clear();
+        overlays.dispose();
+    }
+
+    public boolean isEmpty()
+    {
+        return stack.isEmpty();
+    }
+
+    public Iterator<Pawn> iterator()
+    {
+        return stack.iterator();
+    }
+
+    public int push(Pawn pawn)
+    {
+        if (!stack.contains(pawn))
+            stack.push(pawn);
+        return stack.size();
+    }
+
+    public int remove(Pawn pawn)
+    {
+        stack.remove(pawn);
+        return stack.size();
+    }
+
+    private Pawn getTopPawn()
+    {
+        if (isEmpty()) return null;
+        return stack.getFirst();
+    }
+
+    public boolean hasUnits()
+    {
+        if (isEmpty()) return false;
+        Iterator<Pawn> itr = iterator();
+        while(itr.hasNext()) {
+            if (itr.next().isUnit())
+                return true;
+        }
+        return false;
+    }
+
+    public boolean mustBeDrawn()
+    {
+        if (!isEmpty()) return true;
+        return hasOverlayEnabled();
+    }
+
+    public boolean disableOverlays()
+    {
+        overlays.disableAll();
+        return !isEmpty();
+    }
+
+    public boolean hasOverlayEnabled()
+    {
+        return overlays.isEnabled();
+    }
+
+    public boolean isOverlayEnabled(int i)
+    {
+        return overlays.isEnabled(i);
+    }
+
+    public boolean enableOverlay(int i, boolean enable)
+    {
+        overlays.enable(i, enable);
+        if (enable) return true;
+        return mustBeDrawn();
+    }
+
+    public boolean enableOverlay(int i, boolean enable, float r)
+    {
+        overlays.enable(i, enable);
+        overlays.rotate(i, r);
+        if (enable) return true;
+        return mustBeDrawn();
+    }
+
+    @Override
+    public void draw(Batch batch)
+    {
+        overlays.draw(batch);
+        Pawn pawn = getTopPawn();
+        if (pawn != null)
+            pawn.draw(batch);
+    }
+
+    @Override
+    public void drawDebug(ShapeRenderer debugShapes)
+    {
+        overlays.drawDebug(debugShapes);
+        Pawn pawn = getTopPawn();
+        if (pawn != null)
+            pawn.drawDebug(debugShapes);
+    }
+}