Bomb is now portable

[supertux.git] / src / object / floating_image.cpp

diff --git a/src/object/floating_image.cpp b/src/object/floating_image.cpp
index 4dc8c6a..00782af 100644 (file)
--- a/src/object/floating_image.cpp
+++ b/src/object/floating_image.cpp
@@ -29,8 +29,9 @@
 #include "lisp/lisp.hpp"
 #include "floating_image.hpp"
 
-FloatingImage::FloatingImage(const std::string& spritefile) 
-  : layer(LAYER_FOREGROUND1 + 1), visible(false), anchor(ANCHOR_MIDDLE)
+
+FloatingImage::FloatingImage(const std::string& spritefile)
+  : layer(LAYER_FOREGROUND1 + 1), visible(false), anchor(ANCHOR_MIDDLE), fading(0), fadetime(0)
 {
   sprite.reset(sprite_manager->create(spritefile));
 }
@@ -42,18 +43,65 @@ FloatingImage::~FloatingImage()
 void
 FloatingImage::update(float elapsed_time)
 {
-  (void) elapsed_time;
+  if(fading > 0) {
+    fading -= elapsed_time;
+    if(fading <= 0) {
+      fading = 0;
+      visible = true;
+    }
+  } else if(fading < 0) {
+    fading += elapsed_time;
+    if(fading >= 0) {
+      fading = 0;
+      visible = false;
+    }
+  }
+
+//  (void) elapsed_time;
 }
 
 void
-FloatingImage::draw(DrawingContext& context)
+FloatingImage::set_action(const std::string& action)
 {
-  if(!visible)
-    return;
+  sprite->set_action(action);
+}
+
+std::string
+FloatingImage::get_action()
+{
+  return sprite->get_action();
+}
+
+void
+FloatingImage::fade_in(float fadetime)
+{
+  this->fadetime = fadetime;
+  fading = fadetime;
+}
+
+void
+FloatingImage::fade_out(float fadetime)
+{
+  this->fadetime = fadetime;
+  fading = -fadetime;
+}
+
 
+void
+FloatingImage::draw(DrawingContext& context)
+{
   context.push_transform();
   context.set_translation(Vector(0, 0));
 
+  if(fading > 0) {
+    context.set_alpha((fadetime-fading) / fadetime);
+  } else if(fading < 0) {
+    context.set_alpha(-fading / fadetime);
+  } else if(!visible) {
+    context.pop_transform();
+    return;
+  }
+
   Vector spos = pos + get_anchor_pos(Rect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT),
       sprite->get_width(), sprite->get_height(), anchor);