FIX: IT belongs in a MODEL!

[troll.git] / src / main / java / com / codingame / game / View.java

diff --git a/src/main/java/com/codingame/game/View.java b/src/main/java/com/codingame/game/View.java
index 7f883aa..cdc4428 100644 (file)
--- a/src/main/java/com/codingame/game/View.java
+++ b/src/main/java/com/codingame/game/View.java
@@ -1,12 +1,17 @@
 package com.codingame.game;
 
 import java.util.Random;
 package com.codingame.game;
 
 import java.util.Random;

+import java.util.ArrayList;
+import java.util.Comparator;

 
 

+import com.codingame.gameengine.core.GameManager;

 import com.codingame.gameengine.core.MultiplayerGameManager;
 import com.codingame.gameengine.module.entities.GraphicEntityModule;
 import com.codingame.gameengine.module.entities.Rectangle;
 import com.codingame.gameengine.module.entities.Sprite;
 import com.codingame.gameengine.core.MultiplayerGameManager;
 import com.codingame.gameengine.module.entities.GraphicEntityModule;
 import com.codingame.gameengine.module.entities.Rectangle;
 import com.codingame.gameengine.module.entities.Sprite;

+import com.codingame.gameengine.module.entities.SpriteAnimation;

 import com.codingame.gameengine.module.entities.Text;
 import com.codingame.gameengine.module.entities.Text;

+import com.codingame.gameengine.module.entities.TextBasedEntity;

 import com.codingame.gameengine.module.entities.Group;
 import com.codingame.gameengine.module.entities.Curve;
 import com.google.inject.Inject;
 import com.codingame.gameengine.module.entities.Group;
 import com.codingame.gameengine.module.entities.Curve;
 import com.google.inject.Inject;


@@ -14,18 +19,45 @@ import com.google.inject.Inject;
 class View {
     @Inject private MultiplayerGameManager<com.codingame.game.Player> gameManager;
     @Inject private GraphicEntityModule graphicEntityModule;
 class View {
     @Inject private MultiplayerGameManager<com.codingame.game.Player> gameManager;
     @Inject private GraphicEntityModule graphicEntityModule;

+    @Inject PantsModule pantsModule;
+
+    /*
+     * Frame timings, for a base frame length of 2s:
+     *   - first half: stone throw
+     *   - second half: troll move
+     * The troll message is anchored around the troll move.
+     */
+    private final double STONE_THROW_START = 0.0;
+    private final double STONE_THROW_PEAK = 0.25;
+    private final double STONE_THROW_END = 0.5;
+    private final double TROLL_MOVE_START = 0.5;
+    private final double TROLL_MOVE_END = 1.0;
+    private final double TROLL_MESSAGE_START = 0.5;
+    private final double TROLL_MESSAGE_END = 1.0;
+
+    /*
+     * Castle destruction and endgame message pertain to an endgame
+     * frame only.
+     */
+    private final double AVATAR_ANIMATION_START = 0.5;
+    private final double CASTLE_DESTRUCTION_START = 0.0;
+    private final double CASTLE_DESTRUCTION_END = 0.5;

 
     class Player {
         Model.Player model;
 
     class Player {
         Model.Player model;

+

         int colorToken;
         String nicknameToken;
         String avatarToken;
 
         int colorToken;
         String nicknameToken;
         String avatarToken;
 

+        double frameRot;
+

         Group avatar;
         Text stoneCounter;
         Text message;
         Sprite castle;
         Text stone;
         Group avatar;
         Text stoneCounter;
         Text message;
         Sprite castle;
         Text stone;

+        Text stoneReminder;

 
         void init(com.codingame.game.Player p) {
             model = p.model;
 
         void init(com.codingame.game.Player p) {
             model = p.model;


@@ -37,16 +69,17 @@ class View {
             int x = p0 ? 280 : 1920 - 280;
             int y = 220;
 
             int x = p0 ? 280 : 1920 - 280;
             int y = 220;
 

-            Sprite border1 = graphicEntityModule.createSprite()
+            Sprite frame = graphicEntityModule.createSprite()

                 .setImage("frame.png")
                 .setAnchor(0.5)
                 .setImage("frame.png")
                 .setAnchor(0.5)

-                .setScale(p0 ? -1 : 1)
+                .setRotation(frameRot)

                 .setZIndex(22)
                 .setTint(colorToken);
 
                 .setZIndex(22)
                 .setTint(colorToken);
 

-            Sprite border2 = graphicEntityModule.createSprite()
+            Sprite frameBg = graphicEntityModule.createSprite()

                 .setImage("frame_bg.png")
                 .setAnchor(0.5)
                 .setImage("frame_bg.png")
                 .setAnchor(0.5)

+                .setRotation(frameRot)

                 .setZIndex(20);
 
             Sprite avatarSprite = graphicEntityModule.createSprite()
                 .setZIndex(20);
 
             Sprite avatarSprite = graphicEntityModule.createSprite()


@@ -57,7 +90,7 @@ class View {
                 .setBaseWidth(116);
 
             avatar = graphicEntityModule
                 .setBaseWidth(116);
 
             avatar = graphicEntityModule

-                .createGroup(border1, border2, avatarSprite)
+                .createGroup(frame, frameBg, avatarSprite)

                 .setX(x).setY(y);
 
             Text text = graphicEntityModule.createText(nicknameToken)
                 .setX(x).setY(y);
 
             Text text = graphicEntityModule.createText(nicknameToken)


@@ -82,7 +115,6 @@ class View {
                 .setY(680)
                 .setZIndex(1)
                 .setFontSize(40)
                 .setY(680)
                 .setZIndex(1)
                 .setFontSize(40)

-                .setStrokeColor(0x000000)

                 .setFillColor(0xffbf7f)
                 .setAnchorX(p0 ? 0 : 1)
                 .setAnchorY(1);
                 .setFillColor(0xffbf7f)
                 .setAnchorX(p0 ? 0 : 1)
                 .setAnchorY(1);


@@ -103,6 +135,79 @@ class View {
                 .setFillColor(0x12322a)
                 .setAnchor(0.5)
                 .setAlpha(0);
                 .setFillColor(0x12322a)
                 .setAnchor(0.5)
                 .setAlpha(0);

+
+            stoneReminder = graphicEntityModule.createText()
+                .setX(p0 ? x + 100 : x - 100)
+                .setY(y)
+                .setZIndex(20)
+                .setFontSize(80)
+                .setFontFamily("monospace")
+                .setStrokeColor(0xff0080)
+                .setFillColor(0xff0080)
+                .setAnchorX(p0 ? 0 : 1)
+                .setAnchorY(0.5);
+            pantsModule.displayOnToggleState(stoneReminder, "debug", true);
+        }
+
+        void startTurn() {
+            graphicEntityModule.commitEntityState(0.0, stoneReminder);
+        }
+
+        void disqualify(String message) {
+            gameManager.addToGameSummary(GameManager.formatErrorMessage(nicknameToken + " " + message));
+        }
+
+        void victory() {
+            gameManager.addToGameSummary(GameManager.formatSuccessMessage(nicknameToken + " wins."));
+            View.this.endgameFrame();
+            markWinner();
+        }
+
+        void defeat() {
+            gameManager.addToGameSummary(GameManager.formatErrorMessage(trollRace.starter + " destroys " + nicknameToken + "."));
+            destroyCastle();
+        }
+
+        // ========== Player/avatar markings
+
+        void markTimeout() {
+            animateLoss(avatar.getX(), avatar.getY(), 100, "SLOW\nPOKE");
+        }
+
+        void markIllegal() {
+            animateLoss(avatar.getX(), avatar.getY(), 100, "STUPID");
+        }
+
+        void markCheat() {
+            animateLoss(avatar.getX(), avatar.getY(), 100, "CHEATER");
+        }
+
+        void markWinner() {
+            graphicEntityModule.commitEntityState(AVATAR_ANIMATION_START, avatar);
+            avatar.setScaleX(1.5, Curve.EASE_OUT);
+            avatar.setScaleY(1.5, Curve.EASE_OUT);
+            avatar.setRotation((random.nextDouble() - 0.5) * Math.PI / 18,
+                               Curve.ELASTIC);
+        }
+
+        void markLoser() {
+            graphicEntityModule.commitEntityState(AVATAR_ANIMATION_START, avatar);
+            int dir = random.nextInt(2) == 1 ? 1 : -1;
+            avatar.setRotation(dir * 170 * Math.PI / 180, Curve.ELASTIC);
+        }
+
+        // ==========Player/stones
+
+        void throwStones(int stones) {
+            gameManager.addToGameSummary(String.format("%s throws %d stone%s at " + trollRace.nonStarter(), nicknameToken, stones, stones == 1 ? "" : "s"));
+        }
+
+        void threwMoreStonesThanHad() {
+            gameManager.addToGameSummary(GameManager.formatErrorMessage(nicknameToken + " tried to throw more stones than they had.  I'll let it slide for this time.  (But not let them throw that much!)"));
+        }
+
+        void failedToThrowStonesAndShouldHave() {
+            gameManager.addToGameSummary(GameManager.formatErrorMessage(nicknameToken + " tried not throwing any stones.  Fixing that for them because I'm in a good mood today."));

         }
 
         void updateStoneCounter() {
         }
 
         void updateStoneCounter() {


@@ -118,72 +223,284 @@ class View {
             else {
                 stoneCounter.setText(stones + " stones");
             }
             else {
                 stoneCounter.setText(stones + " stones");
             }

+            graphicEntityModule.commitEntityState(STONE_THROW_PEAK, stoneCounter);

         }
 
         void animateStones(int stones) {
         }
 
         void animateStones(int stones) {

+            String stonesString = Integer.valueOf(stones).toString();

             stone.setX(castle.getX());
             stone.setY(castle.getY() - 100);
             stone.setX(castle.getX());
             stone.setY(castle.getY() - 100);

-            stone.setText(new Integer(stones).toString());
+            stone.setText(stonesString);

             stone.setAlpha(1);
             stone.setAlpha(1);

-            graphicEntityModule.commitEntityState(0, stone);
+            graphicEntityModule.commitEntityState(STONE_THROW_START, stone);

     
             int peakX = (castle.getX() + troll.getX()) / 2;
             int peakY = 540;
             stone.setX(peakX);
             stone.setY(peakY, Curve.EASE_OUT);
     
             int peakX = (castle.getX() + troll.getX()) / 2;
             int peakY = 540;
             stone.setX(peakX);
             stone.setY(peakY, Curve.EASE_OUT);

-            graphicEntityModule.commitEntityState(0.25,
+            graphicEntityModule.commitEntityState(STONE_THROW_PEAK,

                                                   stone,
                                                   stoneCounter);
     
             stone.setX(troll.getX());
             stone.setY(troll.getY() - 50, Curve.EASE_IN);
             stone.setAlpha(0, Curve.EASE_IN);
                                                   stone,
                                                   stoneCounter);
     
             stone.setX(troll.getX());
             stone.setY(troll.getY() - 50, Curve.EASE_IN);
             stone.setAlpha(0, Curve.EASE_IN);

-            graphicEntityModule.commitEntityState(0.5, stone);
+            graphicEntityModule.commitEntityState(STONE_THROW_END, stone);
+
+            stoneReminder.setText(stonesString);
+            graphicEntityModule.commitEntityState(0.0, stoneReminder);

         }
 
         }
 

+        // ========== Player/castle
+

         void displayMessage(String msg) {
             message.setText(msg);
         void displayMessage(String msg) {
             message.setText(msg);

-            graphicEntityModule.commitEntityState(0, message);
+            graphicEntityModule.commitEntityState(0.0, message);

         }
 
         }
 

-        void destroy() {
-            avatar.setRotation(170*Math.PI/180, Curve.ELASTIC);
-
-            graphicEntityModule.commitEntityState(0.5, castle);
+        void destroyCastle() {
+            graphicEntityModule.commitEntityState(CASTLE_DESTRUCTION_START, castle);

             castle.setX(castle.getX(), Curve.ELASTIC);
             castle.setScaleY(-0.2, Curve.EASE_IN);
             castle.setX(castle.getX(), Curve.ELASTIC);
             castle.setScaleY(-0.2, Curve.EASE_IN);

+            graphicEntityModule.commitEntityState(CASTLE_DESTRUCTION_END, castle);

         }
         }

-    }
+    } // class Player

 
     Model model;
     Random random = new Random();
 
     Model model;
     Random random = new Random();

-    Sprite troll;
+    Text trollMessage;
+    Group troll;

     Text trollPositionGauge;
     Player p0 = new Player(), p1 = new Player();
     Text trollPositionGauge;
     Player p0 = new Player(), p1 = new Player();

+    Text turnCounter; int _turns = 0;
+
+    // ==================== Referee interface

 
     void init(Model m) {
         model = m;
 
     void init(Model m) {
         model = m;

+
+        gameManager.setFrameDuration(2000);

         drawBackground();
 
         drawBackground();
 

+        /*
+         * Random π/2-grained rotation of the avatar frames.  Avoid
+         * having them π/2 apart, though, as one of them is likely
+         * going to end upside-down and the trick would be revealed.
+         * And I'd have to "draw" a new frame. Ewww.
+         */
+        p0.frameRot = random.nextInt(4) * Math.PI / 2;

         p0.init(gameManager.getPlayer(0));
         p0.init(gameManager.getPlayer(0));

+        p1.frameRot = p1.frameRot +
+            (random.nextInt(2) == 1 ? 1 : -1) * Math.PI / 2;

         p1.init(gameManager.getPlayer(1));
 
         drawTroll();
         p1.init(gameManager.getPlayer(1));
 
         drawTroll();

+
+        drawDebug();
+    }
+
+    void startTurn() {
+        p0.startTurn();
+        p1.startTurn();
+
+        trollMessage.setX(troll.getX());
+
+        animateTurnCounter();
+    }
+
+    void endgameFrame() {
+        gameManager.setFrameDuration(2000);
+    }
+
+    void doubleDefeat() {
+        gameManager.addToGameSummary(GameManager.formatErrorMessage("Everybody loses!"));
+        endgameFrame();
+        animateLoss(1920/2, 680, 150, "L0SERZ!");
+    }
+
+    void draw() {
+        gameManager.addToGameSummary("Draw.");
+        endgameFrame();
+        animateLoss(1920/2, 680, 200, "DRAW");
+    }
+
+    // drawBackground() helper class
+    // @Java nerds: is this avoidable?
+    private class Pos {
+        int x, y;
+        Pos(int _x, int _y) { x = _x; y = _y; }

     }
 
     private void drawBackground() {
         graphicEntityModule.createSprite()
                 .setImage("background.png")
                 .setAnchor(0);
     }
 
     private void drawBackground() {
         graphicEntityModule.createSprite()
                 .setImage("background.png")
                 .setAnchor(0);

+
+        int numMountains = random.nextInt(5);
+        while (numMountains --> 0) {
+            final int pngWidth = 366;
+            double scale = 0.5 * (1 + random.nextDouble());
+            int x = random.nextInt(1920 + (int) (scale*pngWidth))
+                - (int) (scale*pngWidth/2);
+            int baseTint = 64 + random.nextInt(128);
+            Sprite mountain = graphicEntityModule.createSprite()
+                .setImage("mountain.png")
+                .setX(x)
+                .setY(680)
+                .setAnchorX(0.5)
+                .setAnchorY(283.0 / 321.0)
+                .setRotation((random.nextDouble() - 0.5) * Math.PI / 1800)
+                .setScaleX(random.nextInt(2) == 0 ? scale : -scale)
+                .setScaleY(scale * (1 + (random.nextDouble() - 0.5) / 2))
+                .setSkewX((random.nextDouble() - 0.5) / 4)
+                .setSkewY((random.nextDouble() - 0.5) / 8)
+                .setTint((baseTint + random.nextInt(16) - 8) * 0x010000
+                         + (baseTint + random.nextInt(16) - 8) * 0x0100
+                         + (baseTint + random.nextInt(16) - 8) * 0x01);
+            graphicEntityModule.createSprite().setImage("mountaintop.png")
+                .setX(mountain.getX())
+                .setY(mountain.getY())
+                .setAnchorX(mountain.getAnchorX())
+                .setAnchorY(mountain.getAnchorY())
+                .setRotation(mountain.getRotation())
+                .setScaleX(mountain.getScaleX())
+                .setScaleY(mountain.getScaleY())
+                .setSkewX(mountain.getSkewX())
+                .setSkewY(mountain.getSkewY());
+        }
+
+        int numTrees = random.nextInt(21);
+        ArrayList<Pos> poss = new ArrayList<Pos>(numTrees);
+        while (numTrees --> 0) {
+            int x, y;
+            do {
+                x = random.nextInt(1920);
+                // yes, this biases randomness wrt perspective! :-(
+                y = 700 + random.nextInt(175);
+            } while (y > 880 && (x < 200 || x > 1720));
+            poss.add(new Pos(x, y));
+        }
+        poss.sort(new Comparator<Pos>() {
+                public int compare(Pos a, Pos b) { return a.y < b.y ? -1 : 1; }
+            });
+
+        for (Pos p : poss) {
+            double scale = ( 90.0 / 433.0           // base height from PNG
+                             * (p.y - 680) / (875 - 680) ); // perspective
+            graphicEntityModule.createSprite()
+                .setImage(random.nextInt(2) == 0 ? "Alshockv1.png"
+                                                 : "Alshockv2.png")
+                .setAnchorX(0.5)
+                .setAnchorY(1)
+                .setX(p.x)
+                .setY(p.y)
+                .setScaleX(scale * (random.nextInt(2) == 0 ? -1 : 1)
+                           * (1 + (random.nextDouble() - 0.5) / 6))
+                .setScaleY(scale * (1 + (random.nextDouble() -0.5) / 6))
+                .setRotation((random.nextDouble() - 0.5) * Math.PI / 1800)
+                .setSkewX((random.nextDouble() - 0.5) /4)
+                .setSkewY((random.nextDouble() - 0.5) /8);
+        }
+
+        // base png: 514×387
+        Sprite f7u12 = graphicEntityModule.createSprite()
+            .setImage("f7u12.png")
+            .setX(1920 / 2)
+            .setY(1080 / 2)
+            .setAnchorX(0.5)
+            .setAnchorY(0.5)
+            .setBaseWidth(514*1080/387)
+            .setBaseHeight(1080)
+            .setZIndex(200);
+        pantsModule.displayOnToggleState(f7u12, "troll", true);

     }
 
     }
 

+    // ==================== Troll
+
+    enum TrollRace {
+        Troll("The troll", 0xfac200, "bland"),
+        IceTroll("The ice troll", 0x59a2a2, "ice"),
+        RockTroll("The rock troll", 0x78877f, "rock"),
+        WaterTroll("The water troll", 0x2b2fc6, "water"),
+        OlogHai("The Olog-Hai", 0x5b2e7d, "ologhai");
+        String starter, parser; int tint;
+        TrollRace(String s, int t, String p) {
+            starter = s;
+            tint = t;
+            parser = p;
+        }
+        String nonStarter() {
+            return Character.toLowerCase(starter.charAt(0))
+                + starter.substring(1);
+        }
+    }
+    TrollRace trollRace;
+

     private void drawTroll() {
     private void drawTroll() {

-        troll = graphicEntityModule.createSprite()
-            .setImage("troll.png")
+        int r, league = gameManager.getLeagueLevel();
+        if (league <= 1) r = 4;
+        else if (league <= 2) r = 8;
+        else r = 10;
+
+        r = random.nextInt(r);
+        if (r < 4) trollRace = TrollRace.Troll;
+        else if (r < 6) trollRace = TrollRace.IceTroll;
+        else if (r < 8) trollRace = TrollRace.RockTroll;
+        else if (r < 9) trollRace = TrollRace.WaterTroll;
+        else if (r < 10) trollRace = TrollRace.OlogHai;
+        else throw new RuntimeException("Internal error: unknown troll race " + r);
+
+        // We read it for debugging purposes, but don't echo it back
+        // to the IDE.  It is, after all, *not* a map parameter!
+        String buf = gameManager.getGameParameters().getProperty("ehtnicity");
+        if (buf != null) {
+            String key = "";
+            for (char c : buf.toCharArray())
+                if (Character.isLetter(c))
+                    key += Character.toLowerCase(c);
+            iHateJava: do {
+                for (TrollRace race : TrollRace.values()) {
+                    if (key.equals(race.parser)) {
+                        trollRace = race;
+                        break/*ing news: */ iHateJava;
+                    }
+                }
+                gameManager.addToGameSummary("Ignoring unknown troll race: " + buf);
+            } while (false);
+        }
+        photoFinish: ; // The race is through, but Java has no goto :-(
+
+        Sprite trollBody = graphicEntityModule.createSprite()
+            .setImage("troll_body.png")

             .setAnchorX(0.5)
             .setAnchorY(1)
             .setAnchorX(0.5)
             .setAnchorY(1)

+            .setTint(trollRace.tint);
+        Sprite trollPantsRed = graphicEntityModule.createSprite()
+            .setImage("pants_red.png")
+            .setAnchorX(0.5)
+            .setAnchorY(1);
+        pantsModule.displayOnPantsState(trollPantsRed, 1);
+        Sprite trollPantsGreen = graphicEntityModule.createSprite()
+            .setImage("pants_green.png")
+            .setAnchorX(0.5)
+            .setAnchorY(1);
+        pantsModule.displayOnPantsState(trollPantsGreen, 2);
+        Sprite trollPantsBlue = graphicEntityModule.createSprite()
+            .setImage("pants_blue.png")
+            .setAnchorX(0.5)
+            .setAnchorY(1);
+        pantsModule.displayOnPantsState(trollPantsBlue, 3);
+        Sprite trollPantsPerv = graphicEntityModule.createSprite()
+            .setImage("pants_perv.png")
+            .setAnchorX(0.5)
+            .setAnchorY(1);
+        pantsModule.displayOnPantsState(trollPantsPerv, 4);
+        troll = graphicEntityModule
+            .createGroup(trollBody, trollPantsRed,
+                         trollPantsGreen, trollPantsBlue, trollPantsPerv)

             .setX(1920/2)
             .setY(880)
             .setX(1920/2)
             .setY(880)

+            .setScaleX(random.nextInt(2) == 0 ? 1 : -1)

             .setZIndex(2);
         trollPositionGauge = graphicEntityModule.createText()
             .setZIndex(2)
             .setZIndex(2);
         trollPositionGauge = graphicEntityModule.createText()
             .setZIndex(2)


@@ -192,12 +509,23 @@ class View {
             .setX(1980/2)
             .setY(980)
             .setFillColor(0xffffff);
             .setX(1980/2)
             .setY(980)
             .setFillColor(0xffffff);

-

         moveTroll();
         moveTroll();

+
+        trollMessage = graphicEntityModule.createText()
+            .setZIndex(1)
+            .setX(1902/2)
+            .setY(680)
+            .setAnchorX(0.5)
+            .setAnchorY(0)
+            .setTextAlign(TextBasedEntity.TextAlign.CENTER)
+            .setStrokeColor(0xFFFF00)
+            .setFillColor(0xFFFF00)
+            .setFontSize(40);
+        pantsModule.displayOnToggleState(trollMessage, "verboseTrolling", true);

     }
 
     void moveTroll() {
     }
 
     void moveTroll() {

-        graphicEntityModule.commitEntityState(0.5, troll, trollPositionGauge);
+        graphicEntityModule.commitEntityState(TROLL_MOVE_START, troll, trollPositionGauge);

         int x0 = p0.castle.getX(), x1 = p1.castle.getX();
         int y0 = p0.castle.getY(), y1 = p1.castle.getY();
         troll.setX(x0 + model.trollPosition * (x1-x0) / model.roadLength,
         int x0 = p0.castle.getX(), x1 = p1.castle.getX();
         int y0 = p0.castle.getY(), y1 = p1.castle.getY();
         troll.setX(x0 + model.trollPosition * (x1-x0) / model.roadLength,


@@ -206,18 +534,133 @@ class View {
                    Curve.ELASTIC);
 
         trollPositionGauge.setX((trollPositionGauge.getX() + troll.getX()) / 2);
                    Curve.ELASTIC);
 
         trollPositionGauge.setX((trollPositionGauge.getX() + troll.getX()) / 2);

-        int delta = model.trollPosition - model.roadLength / 2;
-        if (delta < 0) {
-            trollPositionGauge.setText("← " + Math.abs(delta));
+        int distLeft = model.trollPosition;
+        int distRight = model.roadLength - model.trollPosition;
+        if (distLeft <= 0) {
+            trollPositionGauge.setText("← " + distRight);

         }
         }

-        else if (delta > 0) {
-            trollPositionGauge.setText(Math.abs(delta) + " →");
+        else if (distRight <= 0) {
+            trollPositionGauge.setText(distLeft + " →");

         }
         else {
         }
         else {

-            trollPositionGauge.setText("↔");
+            trollPositionGauge.setText(distLeft + " ↔ " + distRight);

         }
         }

-        graphicEntityModule.commitEntityState(0.75, trollPositionGauge);
+        final double moveMid = (TROLL_MOVE_START + TROLL_MOVE_END) / 2;
+        graphicEntityModule.commitEntityState(moveMid, trollPositionGauge);

         trollPositionGauge.setX(troll.getX());
     }
 
         trollPositionGauge.setX(troll.getX());
     }
 

+    enum Dir {
+        LEFT("walks left.", 0),
+        STILL("stands still.", 1),
+        RIGHT("walks right.", 2);
+
+        String movement; int index;
+        Dir(String mvt, int i) { movement = mvt; index = i; }
+    }
+
+    void moveTroll(Dir d) {
+        moveTroll();
+        gameManager.addToGameSummary(trollRace.starter + " " + d.movement);
+
+        trollMessage.setText(selectTrollMessage(d)).setAlpha(1, Curve.NONE);
+        graphicEntityModule.commitEntityState(TROLL_MESSAGE_START, trollMessage);
+        trollMessage.setAlpha(0, Curve.EASE_IN);
+        graphicEntityModule.commitEntityState(TROLL_MESSAGE_END, trollMessage);
+    }
+
+    String selectTrollMessage(Dir d) {
+        if (random.nextInt(10000) == 0) {
+            return TrollText.specials[random.nextInt(TrollText.specials.length)];
+        }
+
+        // yup, still biased
+        int i = random.nextInt(TrollText.directed.length + TrollText.isotropic.length / 3);
+        if (i < TrollText.directed.length) {
+            return TrollText.directed[i][d.index];
+        }
+        else {
+            return TrollText.isotropic[random.nextInt(TrollText.isotropic.length)];
+        }
+    }
+
+    // ==================== Debug information
+
+    void animateTurnCounter() {
+        for (int i = 0; i < 10; i++) {
+            turnCounter.setText("T" + _turns + "." + i);
+            // The following line is likely not a bug.
+            graphicEntityModule.commitEntityState((double) i/9, turnCounter);
+        }
+        _turns++;
+    }
+
+    void drawDebug() {
+        String[] debugModePngs = graphicEntityModule.createSpriteSheetSplitter()
+            .setSourceImage("debug.png")
+            .setImageCount(2)
+            .setWidth(900)
+            .setHeight(150)
+            .setOrigRow(0)
+            .setOrigCol(0)
+            .setImagesPerRow(1)
+            .setName("debug")
+            .split();
+        SpriteAnimation debugMode = graphicEntityModule.createSpriteAnimation()
+            .setImages(debugModePngs)
+            .setX(1920 / 2)
+            .setY(60)
+            .setAnchorX(0.5)
+            .setLoop(true);
+        pantsModule.displayOnToggleState(debugMode, "debug", true);
+
+        turnCounter = graphicEntityModule.createText()
+            .setAnchorX(0.5)
+            .setAnchorY(0)
+            .setX(1920 / 2)
+            .setY(260)
+            .setStrokeColor(0xff0080)
+            .setFillColor(0xff0080)
+            .setFontFamily("monospace")
+            .setFontWeight(Text.FontWeight.BOLD)
+            .setFontSize(100);
+        pantsModule.displayOnToggleState(turnCounter, "debug", true);
+        animateTurnCounter();
+    }
+
+    // ==================== Endgame status
+
+    void animateLoss(int x, int y, int size, String message) {
+        int startX;
+        if (x < 1920/2) { startX = 1920; }
+        else if (x > 1920/2) { startX = 0; }
+        else { startX = 1920 * random.nextInt(2); }
+
+        Text msg = graphicEntityModule.createText(message)
+            .setX(startX)
+            .setY(1080)
+            .setAnchorX(0.5)
+            .setAnchorY(0.5)
+            .setScaleX(3*random.nextDouble() - 1)
+            .setScaleY(3*random.nextDouble() - 1)
+            .setSkewX(2*random.nextDouble() - 1)
+            .setSkewY(2*random.nextDouble() - 1)
+            .setRotation(4*Math.PI * (1 + random.nextDouble())
+                         * (random.nextInt(2) == 0 ? 1 : -1))
+            .setFontSize(0)
+            .setStrokeColor(0xff7f7f)
+            .setFillColor(0xff7f7f)
+            .setFontWeight(Text.FontWeight.BOLD)
+            .setTextAlign(TextBasedEntity.TextAlign.CENTER);
+        graphicEntityModule.commitEntityState(0.0, msg);
+        Curve curve = Curve.ELASTIC;
+        msg.setX(x, Curve.EASE_OUT)
+            .setY(y, Curve.ELASTIC)
+            .setScaleX(1, curve)
+            .setScaleY(1, curve)
+            .setSkewX(0, curve)
+            .setSkewY(0, curve)
+            .setRotation(2*Math.PI * (random.nextDouble() - 0.5), Curve.LINEAR)
+            .setFontSize(size, curve);
+    }

 }
 }