From 7c6cb759593ec5abc8cf2a3b04a388c7cba269b8 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 16 Mar 2016 21:40:35 +0300
Subject: Move AnimationParticle and RotationalParticle update functions into
 Particle.

---
 src/particle/animationparticle.cpp  | 10 ---------
 src/particle/animationparticle.h    |  2 --
 src/particle/particle.cpp           | 45 +++++++++++++++++++++++++++++++++++++
 src/particle/rotationalparticle.cpp | 40 ---------------------------------
 src/particle/rotationalparticle.h   |  2 --
 5 files changed, 45 insertions(+), 54 deletions(-)

(limited to 'src/particle')

diff --git a/src/particle/animationparticle.cpp b/src/particle/animationparticle.cpp
index 006c7942f..48a62db9f 100644
--- a/src/particle/animationparticle.cpp
+++ b/src/particle/animationparticle.cpp
@@ -45,13 +45,3 @@ AnimationParticle::~AnimationParticle()
 {
     mImage = nullptr;
 }
-
-bool AnimationParticle::update() restrict2
-{
-    if (mAnimation)
-    {
-        mAnimation->update(10);  // particle engine is updated every 10ms
-        mImage = mAnimation->getCurrentImage();
-    }
-    return Particle::update();
-}
diff --git a/src/particle/animationparticle.h b/src/particle/animationparticle.h
index 3d069f92b..67d11b393 100644
--- a/src/particle/animationparticle.h
+++ b/src/particle/animationparticle.h
@@ -42,8 +42,6 @@ class AnimationParticle final : public ImageParticle
         A_DELETE_COPY(AnimationParticle)
 
         ~AnimationParticle();
-
-        bool update() restrict2 override final;
 };
 
 #endif  // PARTICLE_ANIMATIONPARTICLE_H
diff --git a/src/particle/particle.cpp b/src/particle/particle.cpp
index db25f3c77..22e350123 100644
--- a/src/particle/particle.cpp
+++ b/src/particle/particle.cpp
@@ -46,6 +46,8 @@
 #include "debug.h"
 
 static const float SIN45 = 0.707106781F;
+static const double PI = M_PI;
+static const float PI2 = 2 * M_PI;
 
 class Graphics;
 class Image;
@@ -239,6 +241,49 @@ bool Particle::update() restrict2
 {
     const Vector oldPos = mPos;
 
+    if (mAnimation)
+    {
+        if (mType == ParticleType::Animation)
+        {
+            // particle engine is updated every 10ms
+            mAnimation->update(10);
+        }
+        else  // ParticleType::Rotational
+        {
+            // TODO: cache velocities to avoid spamming atan2()
+            const int size = mAnimation->getLength();
+            if (!size)
+                return false;
+
+            float rad = static_cast<float>(atan2(mVelocity.x, mVelocity.y));
+            if (rad < 0)
+                rad = PI2 + rad;
+
+            const float range = static_cast<const float>(PI / size);
+
+            // Determines which frame the particle should play
+            if (rad < range || rad > PI2 - range)
+            {
+                mAnimation->setFrame(0);
+            }
+            else
+            {
+                const float range2 = 2 * range;
+                for (int c = 1; c < size; c++)
+                {
+                    const float cRange = static_cast<float>(c) * range2;
+                    if (cRange - range < rad &&
+                        rad < cRange + range)
+                    {
+                        mAnimation->setFrame(c);
+                        break;
+                    }
+                }
+            }
+        }
+        mImage = mAnimation->getCurrentImage();
+    }
+
     updateSelf();
 
     const Vector change = mPos - oldPos;
diff --git a/src/particle/rotationalparticle.cpp b/src/particle/rotationalparticle.cpp
index a52e0ca4b..71e9f09fd 100644
--- a/src/particle/rotationalparticle.cpp
+++ b/src/particle/rotationalparticle.cpp
@@ -26,9 +26,6 @@
 
 #include "debug.h"
 
-static const double PI = M_PI;
-static const float PI2 = 2 * M_PI;
-
 RotationalParticle::RotationalParticle(Animation *restrict const animation) :
     ImageParticle(nullptr)
 {
@@ -49,40 +46,3 @@ RotationalParticle::~RotationalParticle()
 {
     mImage = nullptr;
 }
-
-bool RotationalParticle::update() restrict2
-{
-    // TODO: cache velocities to avoid spamming atan2()
-
-    const int size = mAnimation->getLength();
-    if (!size)
-        return false;
-
-    float rad = static_cast<float>(atan2(mVelocity.x, mVelocity.y));
-    if (rad < 0)
-        rad = PI2 + rad;
-
-    const float range = static_cast<const float>(PI / size);
-
-    // Determines which frame the particle should play
-    if (rad < range || rad > PI2 - range)
-    {
-        mAnimation->setFrame(0);
-    }
-    else
-    {
-        for (int c = 1; c < size; c++)
-        {
-            if (((static_cast<float>(c) * (2 * range)) - range) < rad
-                && rad < ((static_cast<float>(c) * (2 * range)) + range))
-            {
-                mAnimation->setFrame(c);
-                break;
-            }
-        }
-    }
-
-    mImage = mAnimation->getCurrentImage();
-
-    return Particle::update();
-}
diff --git a/src/particle/rotationalparticle.h b/src/particle/rotationalparticle.h
index 93ee5f81a..2b986b13f 100644
--- a/src/particle/rotationalparticle.h
+++ b/src/particle/rotationalparticle.h
@@ -41,8 +41,6 @@ class RotationalParticle final : public ImageParticle
         A_DELETE_COPY(RotationalParticle)
 
         ~RotationalParticle();
-
-        bool update() restrict2 override final;
 };
 
 #endif  // PARTICLE_ROTATIONALPARTICLE_H
-- 
cgit v1.2.3-60-g2f50