fix code style

4 files changed, 9 insertions, 11 deletions

diff --git a/src/particle/animationparticle.h b/src/particle/animationparticle.h
index eb864ea86..55f314994 100644
--- a/src/particle/animationparticle.h
+++ b/src/particle/animationparticle.h
@@ -28,16 +28,16 @@
 #include "utils/xml.h"
 
 class Animation;
-class Map;
 class SimpleAnimation;
 
 class AnimationParticle final : public ImageParticle
 {
     public:
-        AnimationParticle(Animation *const animation);
+        explicit AnimationParticle(Animation *const animation);
 
-        AnimationParticle(XmlNodePtr const animationNode,
-                          const std::string& dyePalettes = std::string());
+        explicit AnimationParticle(XmlNodePtr const animationNode,
+                                   const std::string& dyePalettes
+                                   = std::string());
 
         A_DELETE_COPY(AnimationParticle)
 
diff --git a/src/particle/imageparticle.h b/src/particle/imageparticle.h
index 26a5ac651..c05b2316e 100644
--- a/src/particle/imageparticle.h
+++ b/src/particle/imageparticle.h
@@ -28,7 +28,6 @@
 #include <map>
 
 class Image;
-class Map;
 
 /**
  * A particle that uses an image for its visualization.
@@ -42,7 +41,7 @@ class ImageParticle : public Particle
          * @param map   the map this particle appears on
          * @param image an Image instance, may not be NULL
          */
-        ImageParticle(Image *const image);
+        explicit ImageParticle(Image *const image);
 
         A_DELETE_COPY(ImageParticle)
 
diff --git a/src/particle/particle.h b/src/particle/particle.h
index a22fe7041..42dd31e15 100644
--- a/src/particle/particle.h
+++ b/src/particle/particle.h
@@ -30,7 +30,6 @@
 #include <list>
 #include <string>
 
-class Map;
 class Particle;
 class ParticleEmitter;
 
diff --git a/src/particle/rotationalparticle.h b/src/particle/rotationalparticle.h
index 6f07f51d5..fcc7e4b07 100644
--- a/src/particle/rotationalparticle.h
+++ b/src/particle/rotationalparticle.h
@@ -28,16 +28,16 @@
 #include "utils/xml.h"
 
 class Animation;
-class Map;
 class SimpleAnimation;
 
 class RotationalParticle final : public ImageParticle
 {
     public:
-        RotationalParticle(Animation *const animation);
+        explicit RotationalParticle(Animation *const animation);
 
-        RotationalParticle(const XmlNodePtr animationNode,
-                           const std::string& dyePalettes = std::string());
+        explicit RotationalParticle(const XmlNodePtr animationNode,
+                                    const std::string& dyePalettes
+                                    = std::string());
 
         A_DELETE_COPY(RotationalParticle)