Add framework unit actions

core/src/com/redstrate/watersymbol/AttackAction.java

@@ -0,0 +1,9 @@
+package com.redstrate.watersymbol;
+
+public class AttackAction implements UnitAction {
+
+    @Override
+    public String getName() {
+        return "Attack";
+    }
+}

core/src/com/redstrate/watersymbol/TradeAction.java

@@ -0,0 +1,9 @@
+package com.redstrate.watersymbol;
+
+public class TradeAction implements UnitAction {
+
+    @Override
+    public String getName() {
+        return "Trade";
+    }
+}

core/src/com/redstrate/watersymbol/UnitAction.java

@@ -0,0 +1,6 @@
+package com.redstrate.watersymbol;
+
+public interface UnitAction {
+    public String getName();
+}
+

core/src/com/redstrate/watersymbol/WaitAction.java

@@ -0,0 +1,9 @@
+package com.redstrate.watersymbol;
+
+public class WaitAction implements UnitAction {
+
+    @Override
+    public String getName() {
+        return "Wait";
+    }
+}

core/src/com/redstrate/watersymbol/screens/GameScreen.java

@@ -1,6 +1,7 @@
 package com.redstrate.watersymbol.screens;
 
 import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input;
 import com.badlogic.gdx.Screen;
 import com.badlogic.gdx.graphics.OrthographicCamera;
 import com.badlogic.gdx.graphics.Texture;
@@ -13,10 +14,9 @@ import com.badlogic.gdx.maps.tiled.TmxMapLoader;
 import com.badlogic.gdx.maps.tiled.renderers.OrthogonalTiledMapRenderer;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.math.Vector3;
+import com.badlogic.gdx.utils.Array;
 import com.badlogic.gdx.utils.ScreenUtils;
-import com.redstrate.watersymbol.AStar;
-import com.redstrate.watersymbol.Unit;
-import com.redstrate.watersymbol.WaterSymbol;
+import com.redstrate.watersymbol.*;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -44,6 +44,8 @@ public class GameScreen implements Screen {
     boolean currentlyTakingAction = false;
     List<Vector2> currentMovementList;
 
+    boolean currentlyAwaitingAuxilaryAction = false;
+
     GameScreen(WaterSymbol game) {
         this.game = game;
 
@@ -123,6 +125,31 @@ public class GameScreen implements Screen {
         }
     }
 
+    boolean isAdjacent(Unit a, Unit b) {
+        return Vector2.dst(a.positionX, a.positionY, b.positionX, b.positionY) <= 1.0;
+    }
+
+    List<UnitAction> getAvailableActionsForPosition(int x, int y) {
+        ArrayList<UnitAction> actions = new ArrayList<>();
+
+        for(Unit unit : units) {
+            if(unit.positionX == x && unit.positionY == y) {
+                if(unit.team != currentUnit.team) {
+                    actions.add(new AttackAction());
+                } else {
+                    // you can't trade with yourself!
+                    if(unit != currentUnit) {
+                        actions.add(new TradeAction());
+                    }
+                }
+            }
+        }
+
+        actions.add(new WaitAction());
+
+        return actions;
+    }
+
     List<Vector2> getCollision() {
         ArrayList<Vector2> collisions = new ArrayList<>();
         for(Unit unit : units) {
@@ -134,6 +161,10 @@ public class GameScreen implements Screen {
         return collisions;
     }
 
+    void executeAction(UnitAction action) {
+        advanceTurn();
+    }
+
     @Override
     public void render(float delta) {
         ScreenUtils.clear(0, 0, 0.2f, 1);
@@ -155,7 +186,7 @@ public class GameScreen implements Screen {
 
         if(currentTurnTeam == Unit.Team.Player && currentUnit != null) {
             // player is trying to move
-            if (Gdx.input.isButtonPressed(0)) {
+            if (Gdx.input.isButtonPressed(0) && !currentlyAwaitingAuxilaryAction) {
                 hasStartedMoving = true;
 
                 Vector3 mousePos = new Vector3(Gdx.input.getX(), Gdx.input.getY(), 0);
@@ -245,7 +276,29 @@ public class GameScreen implements Screen {
                 currentUnit.positionY = (int) nextMove.y;
             } else {
                 currentlyTakingAction = false;
-                advanceTurn();
+                currentlyAwaitingAuxilaryAction = true;
+            }
+        }
+
+        if(currentlyAwaitingAuxilaryAction) {
+            Vector3 mousePos = new Vector3(Gdx.input.getX(), Gdx.input.getY(), 0);
+
+            camera.unproject(mousePos);
+
+            double newX = Math.floor(mousePos.x);
+            double newY = Math.floor(mousePos.y);
+
+            int newFixedX = (int) (newX / 32.0);
+            int newFixedY = (int) (newY / 32.0);
+
+            List<UnitAction> actions = getAvailableActionsForPosition(newFixedX, newFixedY);
+            for(int i = 0; i < actions.size(); i++) {
+                game.font.draw(game.batch, (i + 1)  + ": " + actions.get(i).getName(), (float) newX, (float)newY + (i * 32));
+
+                if(Gdx.input.isKeyPressed(Input.Keys.NUM_1 + i)) {
+                    currentlyAwaitingAuxilaryAction = false;
+                    executeAction(actions.get(i));
+                }
             }
         }