add game/hud/UnitDock

1 files changed, 135 insertions, 0 deletions

diff --git a/core/src/ch/asynk/tankontank/game/hud/UnitDock.java b/core/src/ch/asynk/tankontank/game/hud/UnitDock.java
new file mode 100644
index 0000000..5e0b139
--- /dev/null
+++ b/core/src/ch/asynk/tankontank/game/hud/UnitDock.java
@@ -0,0 +1,135 @@
+package ch.asynk.tankontank.game.hud;
+
+import java.util.Iterator;
+
+import com.badlogic.gdx.graphics.g2d.Batch;
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
+import com.badlogic.gdx.math.Matrix4;
+
+import ch.asynk.tankontank.engine.Pawn;
+import ch.asynk.tankontank.game.Ctrl;
+
+public class UnitDock extends Bg
+{
+    private static final float PADDING = 5f;
+    private static final float SCALE = 0.4f;
+    private static final float STEP = 5f;
+    private final Ctrl ctrl;
+
+    public float x;
+    public float y;
+    public float to;
+    public boolean visible;
+    public boolean show;
+    public boolean done;
+    private Matrix4 prevTransform;
+    private Matrix4 nextTransform;
+
+    public UnitDock(Ctrl ctrl, TextureRegion region)
+    {
+        super(region);
+        this.ctrl = ctrl;
+        this.visible = false;
+        this.done = true;
+        this.prevTransform = new Matrix4();
+        this.nextTransform = new Matrix4();
+    }
+
+    public void setTopLeft(float x, float y)
+    {
+        this.x = x;
+        this.y = y;
+    }
+
+    @Override
+    public void dispose()
+    {
+        super.dispose();
+    }
+
+    public void toggle()
+    {
+        if (visible) hide();
+        else show();
+    }
+
+    public void hide()
+    {
+        if (!visible) return;
+        to = -(rect.x + rect.width);
+        show = false;
+        done = false;
+    }
+
+    // FIXME Iterator might not be the best way to go
+    public void show()
+    {
+        if (done) {
+            int count = ctrl.player.reinforcementCount();
+            Pawn pawn = ctrl.player.reinforcementIterator().next();
+
+            rect.width = pawn.getWidth() + (2 * PADDING);
+            rect.height = ((pawn.getHeight() * count) + (PADDING * (count + 1)));
+            rect.x = - rect.width;
+            rect.y = y - rect.height;
+        }
+
+        to = x;
+        show = true;
+        done = false;
+        visible = true;
+    }
+
+    // FIXME why not use transformation to animate ?
+    public void animate(float delta)
+    {
+        if (!visible) return;
+        if (done) return;
+
+        if (show) {
+            if (rect.x < to)
+                rect.x += STEP;
+            else {
+                rect.x = to;
+                done = true;
+            }
+        } else {
+            if (rect.x > to)
+                rect.x -= STEP;
+            else {
+                rect.x = to;
+                done = true;
+                visible = false;
+
+            }
+        }
+
+        Iterator<Pawn> pawns = ctrl.player.reinforcementIterator();
+        float x = rect.x + PADDING;
+        float y = rect.y + rect.height;
+        while (pawns.hasNext()) {
+            Pawn pawn = pawns.next();
+            y -= (pawn.getHeight() + PADDING);
+            pawn.setPosition(x, y, 90f);
+        }
+    }
+
+    @Override
+    public void draw(Batch batch)
+    {
+        if (!visible) return;
+
+        nextTransform.idt();
+        nextTransform.translate(rect.x, (rect.y + rect.height), 0).scale(SCALE, SCALE, 0).translate(-rect.x, - (rect.y + rect.height), 0);
+
+        prevTransform.set(batch.getTransformMatrix());
+        batch.setTransformMatrix(nextTransform);
+
+        super.draw(batch);
+        Iterator<Pawn> pawns = ctrl.player.reinforcementIterator();
+        while (pawns.hasNext())
+            pawns.next().draw(batch);
+
+        batch.setTransformMatrix(prevTransform);
+    }
+}