ShellFireAnimation -> ShotAnimation and FireAnimation

3 files changed, 378 insertions, 263 deletions

diff --git a/core/src/ch/asynk/gdx/boardgame/animations/FireAnimation.java b/core/src/ch/asynk/gdx/boardgame/animations/FireAnimation.java
new file mode 100644
index 0000000..1bedb10
--- /dev/null
+++ b/core/src/ch/asynk/gdx/boardgame/animations/FireAnimation.java
@@ -0,0 +1,192 @@
+package ch.asynk.gdx.boardgame.animations;
+
+import java.util.Hashtable;
+import java.util.Map;
+
+import com.badlogic.gdx.audio.Sound;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.Batch;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.utils.Pool;
+
+import ch.asynk.gdx.boardgame.FramedSprite;
+import ch.asynk.gdx.boardgame.Piece;
+
+public class FireAnimation implements Animation, Pool.Poolable
+{
+    public static class Config
+    {
+        public int burstCount;
+        public float burstDelay;
+        public float maxFireDelay;
+        public float maxFireScattering;
+        public float shellSpeed;
+        public float smokeDuration;
+        public float explosionDuration;
+        public FramedSprite shellSprites;
+        public FramedSprite explosionSprites;
+        public Sound shellFireSnd;
+        public Sound explosionSnd;
+        public Config(int burstCount, float burstDelay,
+                float maxFireDelay, float maxFireScattering,
+                float shellSpeed, float smokeDuration, float explosionDuration,
+                FramedSprite shellSprites, FramedSprite explosionSprites,
+                Sound shellFireSnd, Sound explosionSnd)
+        {
+            this.burstCount = burstCount;
+            this.burstDelay = burstDelay;
+            this.maxFireDelay = maxFireDelay;
+            this.maxFireScattering = maxFireScattering;
+            this.shellSpeed = shellSpeed;
+            this.smokeDuration = smokeDuration;
+            this.explosionDuration = explosionDuration;
+            this.shellSprites = shellSprites;
+            this.explosionSprites = explosionSprites;
+            this.shellFireSnd = shellFireSnd;
+            this.explosionSnd = explosionSnd;
+        }
+    }
+
+    private static Map<String, Config> configs = new Hashtable<String, Config>();
+
+    public static void register(final String name,
+            int burstCount,
+            float burstDelay,
+            float maxFireDelay,
+            float maxFireScattering,
+            float shellSpeed,
+            float smokeDuration,
+            float explosionDuration,
+            final Texture shellTexture, int shellR, int shellC,
+            final Texture explosionTexture, int explosionR, int explosionC,
+            final Sound shellFireSnd,
+            final Sound explosionSnd
+            )
+    {
+        Config cfg = new Config(burstCount, burstDelay,
+                maxFireDelay, maxFireScattering,
+                shellSpeed, smokeDuration, (explosionTexture == null ? 0f : explosionDuration),
+                (shellTexture == null ? null : new FramedSprite(shellTexture, shellR, shellC)),
+                (explosionTexture == null ? null : new FramedSprite(explosionTexture, explosionR, explosionC)),
+                shellFireSnd, explosionSnd
+                );
+        configs.put(name, cfg);
+    }
+
+    public static void free()
+    {
+        // for(String key : configs.keySet()) {
+        //     Config cfg = configs.get(key);
+        // }
+        configs.clear();
+    }
+
+    private static final Pool<FireAnimation> shellFireAnimationPool = new Pool<FireAnimation>()
+    {
+        @Override protected FireAnimation newObject()
+        {
+            return new FireAnimation();
+        }
+    };
+
+    public static Vector2 sv = new Vector2();
+    public static Vector2 tv = new Vector2();
+    public static FireAnimation obtain(final String configName, Piece shooter, Piece target)
+    {
+        shooter.getFireingPoint(sv, target);
+        target.getImpactPoint(tv);
+        return obtain(configName, sv.x, sv.y, tv.x, tv.y);
+    }
+
+    public static FireAnimation obtain(final String configName, float x0, float y0, float x1, float y1)
+    {
+        FireAnimation a = shellFireAnimationPool.obtain();
+
+        Config cfg = configs.get(configName);
+        if (cfg == null) {
+            throw new RuntimeException(String.format("FireAnimation : no configuration named : '%s'", configName));
+        }
+        a.compute(cfg, x0, y0, x1, y1);
+
+        return a;
+    }
+
+    @Override public void reset()
+    {
+        this.shot = null;
+        this.shots = null;
+    }
+
+    @Override public void dispose()
+    {
+        if (this.shot != null) {
+            this.shot.dispose();
+        }
+        if (this.shots != null) {
+            for (ShotAnimation shot : shots) {
+                shot.dispose();
+            }
+        }
+        shellFireAnimationPool.free(this);
+    }
+
+    private boolean single;
+    private ShotAnimation shot;
+    private ShotAnimation[] shots;
+
+    private FireAnimation()
+    {
+    }
+
+    private void compute(Config cfg, float x0, float y0, float x1, float y1)
+    {
+        this.single = (cfg.burstCount == 1);
+        if (single) {
+            this.shot = ShotAnimation.obtain();
+            this.shot.compute(0, cfg, x0, y0, x1, y1);
+        } else {
+            this.shots = new ShotAnimation[cfg.burstCount];
+            for (int i = 0; i < cfg.burstCount; i++) {
+                this.shots[i] = ShotAnimation.obtain();
+                this.shots[i].compute(i, cfg, x0, y0, x1, y1);
+            }
+        }
+    }
+
+    @Override public boolean completed()
+    {
+        if (single) {
+            return this.shot.completed();
+        } else {
+            boolean completed = true;
+            for (ShotAnimation shot : this.shots) {
+                completed &= shot.completed();
+            }
+            return completed;
+        }
+    }
+
+    @Override public boolean animate(float delta)
+    {
+        if (single) {
+            return this.shot.animate(delta);
+        } else {
+            boolean completed = true;
+            for (ShotAnimation shot : this.shots) {
+                completed &= shot.animate(delta);
+            }
+            return completed;
+        }
+    }
+
+    @Override public void draw(Batch batch)
+    {
+        if (single) {
+            this.shot.draw(batch);
+        } else {
+            for (ShotAnimation shot : this.shots) {
+                shot.draw(batch);
+            }
+        }
+    }
+}
diff --git a/core/src/ch/asynk/gdx/boardgame/animations/ShellFireAnimation.java b/core/src/ch/asynk/gdx/boardgame/animations/ShellFireAnimation.java
deleted file mode 100644
index 1cb6f15..0000000
--- a/core/src/ch/asynk/gdx/boardgame/animations/ShellFireAnimation.java
+++ /dev/null
@@ -1,263 +0,0 @@
-package ch.asynk.gdx.boardgame.animations;
-
-import java.util.Hashtable;
-import java.util.Map;
-import java.util.Random;
-
-import com.badlogic.gdx.audio.Sound;
-import com.badlogic.gdx.graphics.Texture;
-import com.badlogic.gdx.graphics.g2d.Batch;
-import com.badlogic.gdx.math.Vector2;
-import com.badlogic.gdx.math.MathUtils;
-import com.badlogic.gdx.utils.Pool;
-
-import ch.asynk.gdx.boardgame.FramedSprite;
-import ch.asynk.gdx.boardgame.Piece;
-
-public class ShellFireAnimation extends TimedAnimation implements Pool.Poolable
-{
-    private static class Config
-    {
-        public float maxFireDelay;
-        public float maxFireScattering;
-        public float shellSpeed;
-        public float smokeDuration;
-        public float explosionDuration;
-        public FramedSprite shellSprites;
-        public FramedSprite explosionSprites;
-        public Sound shellFireSnd;
-        public Sound explosionSnd;
-        public Config(float maxFireDelay, float maxFireScattering, float shellSpeed,
-                float smokeDuration, float explosionDuration,
-                FramedSprite shellSprites, FramedSprite explosionSprites,
-                Sound shellFireSnd, Sound explosionSnd)
-        {
-            this.maxFireDelay = maxFireDelay;
-            this.maxFireScattering = maxFireScattering;
-            this.shellSpeed = shellSpeed;
-            this.smokeDuration = smokeDuration;
-            this.explosionDuration = explosionDuration;
-            this.shellSprites = shellSprites;
-            this.explosionSprites = explosionSprites;
-            this.shellFireSnd = shellFireSnd;
-            this.explosionSnd = explosionSnd;
-        }
-    }
-
-    private static Map<String, Config> configs = new Hashtable<String, Config>();
-
-    public static void register(final String name,
-            float maxFireDelay,
-            float maxFireScattering,
-            float shellSpeed,
-            float smokeDuration,
-            float explosionDuration,
-            final Texture shellTexture, int shellR, int shellC,
-            final Texture explosionTexture, int explosionR, int explosionC,
-            final Sound shellFireSnd,
-            final Sound explosionSnd
-            )
-    {
-        Config cfg = new Config(maxFireDelay, maxFireScattering, shellSpeed, smokeDuration, explosionDuration,
-                new FramedSprite(shellTexture, shellR, shellC),
-                new FramedSprite(explosionTexture, explosionR, explosionC),
-                shellFireSnd, explosionSnd
-                );
-        configs.put(name, cfg);
-    }
-
-    public static void free()
-    {
-        // for(String key : configs.keySet()) {
-        //     Config cfg = configs.get(key);
-        // }
-        configs.clear();
-    }
-
-    private static Random random = new Random();
-
-    private static final Pool<ShellFireAnimation> shellFireAnimationPool = new Pool<ShellFireAnimation>()
-    {
-        @Override protected ShellFireAnimation newObject()
-        {
-            return new ShellFireAnimation();
-        }
-    };
-
-    public static Vector2 sv = new Vector2();
-    public static Vector2 tv = new Vector2();
-    public static ShellFireAnimation obtain(final String configName, Piece shooter, Piece target)
-    {
-        shooter.getFireingPoint(sv, target);
-        target.getImpactPoint(tv);
-        return obtain(configName, sv.x, sv.y, tv.x, tv.y);
-    }
-
-    public static ShellFireAnimation obtain(final String configName, float x0, float y0, float x1, float y1)
-    {
-        ShellFireAnimation a = shellFireAnimationPool.obtain();
-
-        Config cfg = configs.get(configName);
-        if (cfg == null) {
-            throw new RuntimeException(String.format("ShellFireAnimation : no configuration named : '%s'", configName));
-        }
-        a.cfg = cfg;
-        a.compute(x0, y0, x1, y1);
-
-        return a;
-    }
-
-    private Config cfg;
-
-    private boolean fired;
-    private boolean hit;
-    private boolean drawFire;
-    private boolean drawExplosion;
-    private float fireTime;
-    private float hitTime;
-    private float smokeEndTime;
-    private float explosionEndTime;
-
-    private FramedSprite shellSprites;
-    private float shellW;
-    private float shellDx;
-    private float shellDy;
-    private float shellDw;
-
-    private int smokeFrame;
-    private float smokeDf;
-
-    private FramedSprite explosionSprites;
-    private int explosionFrame;
-    private int explosionRow;
-    private float explosionDf;
-
-    private ShellFireAnimation()
-    {
-    }
-
-    @Override public void dispose()
-    {
-        shellFireAnimationPool.free(this);
-    }
-
-    private void compute(float x0, float y0, float x1, float y1)
-    {
-        // scattering
-        x1 = (x1 + (random.nextFloat() * cfg.maxFireScattering) - (cfg.maxFireScattering / 2f));
-        y1 = (y1 + (random.nextFloat() * cfg.maxFireScattering) -  (cfg.maxFireScattering / 2f));
-
-        // geometry
-        float dx = (x1 - x0);
-        float dy = (y1 - y0);
-        float a = (float) (MathUtils.atan2(y0 - y1, x0 - x1)) * MathUtils.radiansToDegrees;
-        float w = (float) Math.sqrt((dx * dx) + (dy * dy));
-
-        // timing
-        float fireDuration = (w / cfg.shellSpeed);
-        float smokeDuration = cfg.smokeDuration;
-        float explosionDuration = cfg.explosionDuration;
-        this.fireTime = (random.nextFloat() * cfg.maxFireDelay);
-        this.hitTime = this.fireTime + fireDuration;
-        this.smokeEndTime = this.hitTime + smokeDuration;
-        this.explosionEndTime = this.hitTime + explosionDuration;
-        float endTime = (this.smokeEndTime > this.explosionEndTime ? this.smokeEndTime : this.explosionEndTime);
-
-        // shell vars
-        this.shellSprites = new FramedSprite(cfg.shellSprites);
-        this.shellSprites.x = x0;
-        this.shellSprites.y = y0;
-        this.shellSprites.a = a;
-        this.shellW = 0f;
-        this.shellDw = (w  / fireDuration);
-        this.shellDx = (dx / fireDuration);
-        this.shellDy = (dy / fireDuration);
-
-        // smoke vars
-        this.smokeFrame = 0;
-        this.smokeDf = ((shellSprites.rows - 1) / smokeDuration);
-
-        // explosion vars
-        this.explosionFrame = 0;
-        this.explosionSprites = new FramedSprite(cfg.explosionSprites);
-        this.explosionSprites.x = (x1 - (explosionSprites.getFrame().getRegionWidth() / 2.0f));
-        this.explosionSprites.y = (y1 - (explosionSprites.getFrame().getRegionHeight() / 2.0f));
-        this.explosionDf = (explosionSprites.cols / explosionDuration);
-        this.explosionRow = random.nextInt(explosionSprites.rows);
-        this.explosionSprites.setFrame(explosionRow, 0);
-
-        this.fired = false;
-        this.hit = false;
-        this.drawFire = false;
-        this.drawExplosion = false;
-        setDuration(endTime);
-    }
-
-    @Override public void begin() { }
-    @Override public void end() { }
-
-    @Override public void update(float delta)
-    {
-        if (!fired && (elapsed < fireTime)) {
-            return;
-        }
-
-        if (!fired) {
-            fired = true;
-            drawFire = true;
-            if(cfg.shellFireSnd != null) {
-                cfg.shellFireSnd.play();
-            }
-        }
-
-        if (!hit && (elapsed < hitTime)) {
-            this.shellW += (shellDw * delta);
-            this.shellSprites.x += (shellDx * delta);
-            this.shellSprites.y += (shellDy * delta);
-            this.shellSprites.getFrame().setRegionWidth((int) shellW);
-            return;
-        }
-
-        if (!hit) {
-            hit = true;
-            drawExplosion = true;
-            if(cfg.explosionSnd != null) {
-                cfg.explosionSnd.play();
-            }
-        }
-
-        float dt = (elapsed - hitTime);
-
-        if (elapsed < smokeEndTime) {
-            int frame = (int) (dt * smokeDf) + 1;
-            if (frame != smokeFrame) {
-                smokeFrame = frame;
-                this.shellSprites.setFrame(smokeFrame, 0);
-                this.shellSprites.getFrame().setRegionWidth((int) shellW);
-            }
-        } else {
-            drawFire = false;
-        }
-
-        if (elapsed < explosionEndTime) {
-            int frame = (int) (dt * explosionDf);
-            if (frame != explosionFrame) {
-                explosionFrame = frame;
-                explosionSprites.setFrame(explosionRow, explosionFrame);
-            }
-        } else {
-            drawExplosion = false;
-        }
-    }
-
-    @Override public void draw(Batch batch)
-    {
-        if (drawFire) {
-            this.shellSprites.draw(batch);
-        }
-
-        if (drawExplosion) {
-            this.explosionSprites.draw(batch);
-        }
-    }
-}
diff --git a/core/src/ch/asynk/gdx/boardgame/animations/ShotAnimation.java b/core/src/ch/asynk/gdx/boardgame/animations/ShotAnimation.java
new file mode 100644
index 0000000..890b6a4
--- /dev/null
+++ b/core/src/ch/asynk/gdx/boardgame/animations/ShotAnimation.java
@@ -0,0 +1,186 @@
+package ch.asynk.gdx.boardgame.animations;
+
+import java.util.Random;
+
+import com.badlogic.gdx.audio.Sound;
+import com.badlogic.gdx.graphics.g2d.Batch;
+import com.badlogic.gdx.math.MathUtils;
+import com.badlogic.gdx.utils.Pool;
+
+import ch.asynk.gdx.boardgame.FramedSprite;
+import ch.asynk.gdx.boardgame.Drawable;
+
+public class ShotAnimation extends TimedAnimation implements Drawable, Pool.Poolable
+{
+    private static final Pool<ShotAnimation> shotAnimationPool = new Pool<ShotAnimation>()
+    {
+        @Override protected ShotAnimation newObject()
+        {
+            return new ShotAnimation();
+        }
+    };
+
+    public static ShotAnimation obtain()
+    {
+        return shotAnimationPool.obtain();
+    }
+
+    @Override public void dispose()
+    {
+        shotAnimationPool.free(this);
+    }
+
+    private boolean fired;
+    private boolean hit;
+    private boolean drawFire;
+    private boolean drawExplosion;
+    private float fireTime;
+    private float hitTime;
+    private float smokeEndTime;
+    private float explosionEndTime;
+
+    private FramedSprite shellSprites;
+    private float shellW;
+    private float shellDx;
+    private float shellDy;
+    private float shellDw;
+    private Sound fireSnd;
+
+    private int smokeFrame;
+    private float smokeDf;
+
+    private FramedSprite explosionSprites;
+    private int explosionFrame;
+    private int explosionRow;
+    private float explosionDf;
+    private Sound explosionSnd;
+
+    private static Random random = new Random();
+
+    public void compute(int i, FireAnimation.Config cfg, float x0, float y0, float x1, float y1)
+    {
+        // scattering
+        x1 = (x1 + (random.nextFloat() * cfg.maxFireScattering) - (cfg.maxFireScattering / 2f));
+        y1 = (y1 + (random.nextFloat() * cfg.maxFireScattering) -  (cfg.maxFireScattering / 2f));
+
+        // geometry
+        float dx = (x1 - x0);
+        float dy = (y1 - y0);
+        float r = (float) (MathUtils.atan2(y0 - y1, x0 - x1)) * MathUtils.radiansToDegrees;
+        float w = (float) Math.sqrt((dx * dx) + (dy * dy));
+
+        // timing
+        float fireDuration = (w / cfg.shellSpeed);
+        float smokeDuration = cfg.smokeDuration;
+        float explosionDuration = cfg.explosionDuration;
+        this.fireTime = (random.nextFloat() * cfg.maxFireDelay) + (i * cfg.burstDelay);
+        this.hitTime = this.fireTime + fireDuration;
+        this.smokeEndTime = this.hitTime + smokeDuration;
+        this.explosionEndTime = this.hitTime + explosionDuration;
+        float endTime = (this.smokeEndTime > this.explosionEndTime ? this.smokeEndTime : this.explosionEndTime);
+
+        // shell vars
+        this.shellSprites = new FramedSprite(cfg.shellSprites);
+        this.shellSprites.x = x0;
+        this.shellSprites.y = y0;
+        this.shellSprites.r = r;
+        this.shellW = 0f;
+        this.shellDw = (w  / fireDuration);
+        this.shellDx = (dx / fireDuration);
+        this.shellDy = (dy / fireDuration);
+        this.fireSnd = (i == 0 ? cfg.shellFireSnd : null);
+
+        // smoke vars
+        this.smokeFrame = 0;
+        this.smokeDf = ((shellSprites.rows - 1) / smokeDuration);
+
+        // explosion vars
+        if (cfg.explosionSprites == null) {
+            this.explosionSnd = null;
+            this.explosionSprites = null;
+        } else {
+            this.explosionFrame = 0;
+            this.explosionSprites = new FramedSprite(cfg.explosionSprites);
+            this.explosionSprites.x = (x1 - (explosionSprites.getFrame().getRegionWidth() / 2.0f));
+            this.explosionSprites.y = (y1 - (explosionSprites.getFrame().getRegionHeight() / 2.0f));
+            this.explosionDf = (explosionSprites.cols / explosionDuration);
+            this.explosionRow = random.nextInt(explosionSprites.rows);
+            this.explosionSprites.setFrame(explosionRow, 0);
+            this.explosionSnd = cfg.explosionSnd;
+        }
+
+        this.fired = false;
+        this.hit = false;
+        this.drawFire = false;
+        this.drawExplosion = false;
+        setDuration(endTime);
+    }
+
+    @Override public void begin() { }
+    @Override public void end() { }
+
+    @Override public void update(float delta)
+    {
+        if (!fired && (elapsed < fireTime)) {
+            return;
+        }
+
+        if (!fired) {
+            fired = true;
+            drawFire = true;
+            if(fireSnd != null) {
+                fireSnd.play();
+            }
+        }
+
+        if (!hit && (elapsed < hitTime)) {
+            this.shellW += (shellDw * delta);
+            this.shellSprites.x += (shellDx * delta);
+            this.shellSprites.y += (shellDy * delta);
+            this.shellSprites.getFrame().setRegionWidth((int) shellW);
+            return;
+        }
+
+        if (!hit) {
+            hit = true;
+            drawExplosion = true;
+            if(explosionSnd != null) {
+                explosionSnd.play();
+            }
+        }
+
+        float dt = (elapsed - hitTime);
+
+        if (elapsed < smokeEndTime) {
+            int frame = (int) (dt * smokeDf) + 1;
+            if (frame != smokeFrame) {
+                smokeFrame = frame;
+                this.shellSprites.setFrame(smokeFrame, 0);
+                this.shellSprites.getFrame().setRegionWidth((int) shellW);
+            }
+        } else {
+            drawFire = false;
+        }
+
+        if (elapsed < explosionEndTime) {
+            int frame = (int) (dt * explosionDf);
+            if (frame != explosionFrame) {
+                explosionFrame = frame;
+                explosionSprites.setFrame(explosionRow, explosionFrame);
+            }
+        } else {
+            drawExplosion = false;
+        }
+    }
+
+    @Override public void draw(Batch batch)
+    {
+        if (drawFire) {
+            this.shellSprites.draw(batch);
+        }
+
+        if (drawExplosion) {
+            this.explosionSprites.draw(batch);
+        }
+    }
+}