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, 8 insertions, 2 deletions

diff --git a/src/animatedsprite.cpp b/src/animatedsprite.cpp
index 59bf2f88..bc595f79 100644
--- a/src/animatedsprite.cpp
+++ b/src/animatedsprite.cpp
@@ -41,11 +41,12 @@ AnimatedSprite::AnimatedSprite(SpriteDef *sprite):
     mSprite(sprite),
     mAction(0),
     mAnimation(0),
-    mFrame(0),
-    mAlpha(1.0f)
+    mFrame(0)
 {
     assert(mSprite);
 
+    mAlpha = 1.0f;
+
     // Take possession of the sprite
     mSprite->incRef();
 
@@ -193,3 +194,8 @@ int AnimatedSprite::getHeight() const
     else
         return 0;
 }
+
+Image* AnimatedSprite::getImage() const
+{
+    return mFrame ? mFrame->image : 0;
+}