Add support for floor item sprites

This commit adds a sprite hierarchy (Sprite->ImageSprite,AnimatedSprite,CompundSprite;
CompoundSprite,Actor->ActorSprite;ActorSprite->Being,FloorItem) to collect common
functionailty into new base classes which will make other Mantis tickets easier to do.
Also allows monsters to use particle effects.

Reviewed-by: Bertram

1 files changed, 1 insertions, 2 deletions

diff --git a/src/actor.cpp b/src/actor.cpp
index 4fdce5f1..44a89600 100644
--- a/src/actor.cpp
+++ b/src/actor.cpp
@@ -26,8 +26,7 @@
 #include "resources/resourcemanager.h"
 
 Actor::Actor():
-        mMap(NULL),
-        mAlpha(1.0f)
+        mMap(NULL)
 {}
 
 Actor::~Actor()