Changeset 6567 in orxonox.OLD

Timestamp:

Jan 18, 2006, 3:18:49 PM (18 years ago)

Author:

stefalie

Message:

branches/avi_play: …

Location:

branches/avi_play/src/story_entities

Files:

• movie_loader.cc (modified) (3 diffs)
• movie_loader.h (modified) (1 diff)

branches/avi_play/src/story_entities/movie_loader.cc

@@ -84 +84 @@
 void MovieLoader::run()
 {
+  // first timestamp for t = 0
+  this->lastFrame = SDL_GetTicks ();
+
   while( this->isRunning)
   {
@@ -89 +92 @@
     this->tick();
 
-    this->draw();
+    movie_player>draw();
   }
 }
@@ -100 +103 @@
 void MovieLoader::tick()
 {
+  // get timestamp
+  Uint32 currentFrame = SDL_GetTicks();
 
+  // calculate time difference in milliseconds (Uint32)
+  this->dt = currentFrame - this->lastFrame;
+  // calculate time difference in seconds (float)
+  this->dtS = (float)this->dt / 1000.0f;
+
+  movie_player->tick(dts);
+
+  this->lastFrame = currentFrame;
 }

branches/avi_play/src/story_entities/movie_loader.h

@@ -34 +34 @@
     void draw() const;
     void tick();
+
+    Uint32              lastFrame;                    // last time of frame
+    Uint32              dt;                           // time needed to calculate this frame (in milliSeconds)
+    float               dtS;
 };