actors/HexMap actors/Pawn -> game/*

4 files changed, 246 insertions, 5 deletions

diff --git a/core/src/ch/asynk/tankontank/game/HexMap.java b/core/src/ch/asynk/tankontank/game/HexMap.java
new file mode 100644
index 0000000..7aced56
--- /dev/null
+++ b/core/src/ch/asynk/tankontank/game/HexMap.java
@@ -0,0 +1,163 @@
+package ch.asynk.tankontank.game;
+
+import java.util.ArrayDeque;
+
+import com.badlogic.gdx.Gdx;
+
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.scenes.scene2d.ui.Image;
+
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.math.GridPoint2;
+import com.badlogic.gdx.math.GridPoint3;
+
+public class HexMap extends Image
+{
+    static final int x0 = 83;       // map offset
+    static final int y0 = 182;      // map offset
+    static final int h = 110;       // hex side
+    static final float dh = 53.6f;  // hex top     should be h/2
+    static final int w = 189;       // hex width
+    static final int dw = 94;       // half hex    should be w/2
+    static final float H = h + dh;  // total height
+    static final float slope = (dh / (float) dw);
+
+    private int cols;
+    private int rows;
+    private ArrayDeque<Pawn>[][] cells;
+
+    @SuppressWarnings("unchecked")
+    public HexMap(int cols, int rows, Texture texture)
+    {
+        super(texture);
+        cells = new ArrayDeque[rows][];
+        for (int i = 0; i < rows; i++) {
+            if ((i % 2) == 1) cells[i] = new ArrayDeque[cols - 1];
+            else cells[i] = new ArrayDeque[cols];
+        }
+        this.cols = cols - 1;
+        this.rows = rows - 1;
+    }
+
+    public Pawn getTopPawnAt(GridPoint2 cell)
+    {
+        return getTopPawnAt(cell.x, cell.y);
+    }
+
+    private Pawn getTopPawnAt(int col, int row)
+    {
+        if ((col < 0) || (row < 0)) return null;
+        ArrayDeque<Pawn> st = cells[row][col];
+        if ((st == null) || (st.size() == 0)) return null;
+        return st.getFirst();
+    }
+
+    public void setImageCenterAt(Image image, GridPoint2 cell)
+    {
+        float x = x0 + ((cell.x * w) + (w / 2));
+        float y = y0 + ((cell.y * H) + (h / 2));
+        if ((cell.y % 2) == 1) x += dw;
+        image.setCenterPosition(x, y);
+    }
+
+    // public Vector2 getPawnPosAt(Pawn pawn, GridPoint2 cell)
+    // {
+    //     return getPawnPosAt(pawn, cell.x, cell.y);
+    // }
+
+    public Vector2 getPawnPosAt(Pawn pawn, GridPoint3 cell)
+    {
+        return getPawnPosAt(pawn, cell.x, cell.y);
+    }
+
+    private Vector2 getPawnPosAt(Pawn pawn, int col, int row)
+    {
+        float x = x0 + ((col * w) + ((w - pawn.getHeight()) / 2));
+        float y = y0 + ((row * H) + ((h - pawn.getWidth()) / 2));
+        if ((row % 2) == 1) x += dw;
+        return new Vector2(x, y);
+    }
+
+    private void removePawnFrom(Pawn pawn, int col, int row)
+    {
+        if ((col> 0) && (row > 0)) {
+            ArrayDeque<Pawn> st = cells[row][col];
+            if ((st == null) || (st.size() == 0))
+                Gdx.app.error("GameScreen", "remove pawn from " + col + ";" + row + " but pawn stack is empty");
+            else
+                st.remove(pawn);
+        }
+    }
+
+    public void setPawnOn(Pawn pawn, GridPoint3 cell)
+    {
+        setPawnOn(pawn, cell.x, cell.y, cell.z);
+    }
+
+    private void setPawnOn(Pawn pawn, int col, int row, int angle)
+    {
+        GridPoint3 prev = pawn.getHex();
+        if (prev != null) removePawnFrom(pawn, prev.x, prev.y);
+
+        Vector2 pos = getPawnPosAt(pawn, col, row);
+        pawn.setPosition(pos.x, pos.y);
+        pawn.setRotation(angle);
+
+        ArrayDeque<Pawn> st = cells[row][col];
+        if (st == null) st = cells[row][col] = new ArrayDeque<Pawn>();
+        st.push(pawn);
+        pawn.setZIndex(st.size());
+    }
+
+    public GridPoint2 getCellAt(GridPoint2 cell, float cx, float cy)
+    {
+        // compute row
+        int row;
+        boolean oddRow = true;
+        float y = (cy - y0);
+        if (y < 0.f) {
+            row = -1;
+        } else {
+            row = (int) (y / H);
+            oddRow = ((row % 2) == 1);
+        }
+
+        // compute col
+        int col;
+        float x = (cx - x0);
+        if (oddRow) x -= dw;
+        if (x < 0.f) {
+            col = -1;
+        } else {
+            col = (int) (x / w);
+        }
+
+        // check upper boundaries
+        float dy = (y - (row * H));
+        if (dy > h) {
+            dy -= h;
+            float dx = (x - (col * w));
+            if (dx < dw) {
+                if ((dx * slope) < dy) {
+                    row += 1;
+                    if (!oddRow) col -= 1;
+                    oddRow = !oddRow;
+                }
+            } else {
+                if (((w - dx) * slope) < dy) {
+                    row += 1;
+                    if (oddRow) col += 1;
+                    oddRow = !oddRow;
+                }
+            }
+        }
+
+        // validate cell
+        if ((col < 0) || (row < 0) || (row > rows) || (col > cols) || (oddRow && ((col +1)> cols)))
+            cell.set(-1, -1);
+        else
+            cell.set(col, row);
+
+        return cell;
+    }
+}
diff --git a/core/src/ch/asynk/tankontank/game/Pawn.java b/core/src/ch/asynk/tankontank/game/Pawn.java
new file mode 100644
index 0000000..804097f
--- /dev/null
+++ b/core/src/ch/asynk/tankontank/game/Pawn.java
@@ -0,0 +1,83 @@
+package ch.asynk.tankontank.game;
+
+import java.util.ArrayDeque;
+
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
+import com.badlogic.gdx.scenes.scene2d.ui.Image;
+import com.badlogic.gdx.scenes.scene2d.actions.Actions;
+import com.badlogic.gdx.scenes.scene2d.actions.SequenceAction;
+
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.math.GridPoint2;
+import com.badlogic.gdx.math.GridPoint3;
+
+public class Pawn extends Image
+{
+    public static final int DRAGGED_Z_INDEX = 10;
+    private static final float MOVE_TIME = 0.3f;
+
+    private HexMap map;
+    private ArrayDeque<GridPoint3> path = new ArrayDeque<GridPoint3>();
+
+    public Pawn(TextureRegion region, HexMap map)
+    {
+        super(region);
+        this.map = map;
+        setOrigin((getWidth() / 2.f), (getHeight() / 2.f));
+    }
+
+    public GridPoint3 getHex()
+    {
+        if (path.size() == 0) return null;
+        return path.getFirst();
+    }
+
+    public void moveTo(GridPoint2 hex)
+    {
+        moveTo(new GridPoint3(hex.x, hex.y, (int) getRotation()));
+    }
+
+    public void moveTo(int col, int row, int angle)
+    {
+        moveTo(new GridPoint3(col, row, angle));
+    }
+
+    private void moveTo(GridPoint3 hex)
+    {
+        if ((hex.x == -1) || (hex.y == -1)) {
+            resetMoves();
+        } else {
+            map.setPawnOn(this, hex);
+            path.push(hex);
+        }
+    }
+
+    public void resetMoves()
+    {
+        final Pawn self = this;
+        final GridPoint3 finalHex = path.getLast();
+
+        SequenceAction seq = new SequenceAction();
+        while(path.size() != 0) {
+            Vector2 v = map.getPawnPosAt(this, path.pop());
+            seq.addAction(Actions.moveTo(v.x, v.y, MOVE_TIME));
+        }
+
+        seq.addAction( Actions.run(new Runnable() {
+            @Override
+            public void run() {
+                map.setPawnOn(self, finalHex);
+                path.push(finalHex);
+            }
+        }));
+
+        addAction(seq);
+    }
+
+    public void moveDone()
+    {
+        GridPoint3 hex = path.pop();
+        path.clear();
+        path.push(hex);
+    }
+}
diff --git a/core/src/ch/asynk/tankontank/game/Unit.java b/core/src/ch/asynk/tankontank/game/Unit.java
index aed976e..7487799 100644
--- a/core/src/ch/asynk/tankontank/game/Unit.java
+++ b/core/src/ch/asynk/tankontank/game/Unit.java
@@ -2,9 +2,6 @@ package ch.asynk.tankontank.game;
 
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 
-import ch.asynk.tankontank.actors.Pawn;
-import ch.asynk.tankontank.actors.HexMap;
-
 public class Unit extends Pawn
 {
     public int rng;
diff --git a/core/src/ch/asynk/tankontank/game/UnitFactory.java b/core/src/ch/asynk/tankontank/game/UnitFactory.java
index 6c646d1..0ce2a6e 100644
--- a/core/src/ch/asynk/tankontank/game/UnitFactory.java
+++ b/core/src/ch/asynk/tankontank/game/UnitFactory.java
@@ -4,8 +4,6 @@ import com.badlogic.gdx.assets.AssetManager;
 import com.badlogic.gdx.graphics.g2d.TextureAtlas;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 
-import ch.asynk.tankontank.actors.HexMap;
-
 public class UnitFactory
 {
     public enum UnitType