animated horse :)

bootscreen/plymouth/falbella/falbella.script

@@ -27,8 +27,8 @@
 
 
 #------------------------------- Constants -----------------------------------------
-NB_ANIM_STEPS = 360;
-NB_REFRESHS_BETWEEN_ANIMS = 1;
+NB_ANIM_STEPS = 4;
+NB_REFRESHS_BETWEEN_ANIMS = 10;
 
 
 
@@ -41,8 +41,6 @@ progress_time = 0;
 progress_pct = 0;
 
 # Variables for glow rotation animation
-anim_start_time = NULL;
-anim_status = "stopped";
 refresh_iter = 0;
 anim_iter = 0;
 
@@ -70,6 +68,16 @@ debugsprite_bottom.SetPosition(0, (Window.GetHeight (0) - 20), 1);
 debugsprite_medium = Sprite();
 debugsprite_medium.SetPosition(0, (Window.GetHeight (0) - 100), 1);
 
+animation_first_frame = 0;
+animation_last_frame = 3;
+animation_current_frame = 0;
+
+for (frame = animation_first_frame; frame <= animation_last_frame; frame++) {
+    animation_images[frame] = Image("frame_" + frame + ".png");
+}
+
+
+
 # General purpose function to create text
 fun WriteText (text, colour) {
     image = Image.Text (text, colour.red, colour.green, colour.blue);
@@ -231,28 +239,13 @@ fun StringToInteger (str) {
     return int;
 }
 
-#-----------------------------------------------------------------------------
-# Top background colour -> RGB/256
-# #263a47 --> 0.1484, 0.2266, 0.2773
-# Bottom background colour
-# #263a47 --> 0.1484, 0.2266, 0.2773
+#horse = Image("falbella.png");
 
-fun calchorse(horse_base) {
-    x0 = Window.GetWidth();
-    y0 = Window.GetHeight();
-    xhorse = horse_base.GetWidth();
-    yhorse = horse_base.GetHeight();
-    
-    dim.horse.xsize = x0;
-    dim.horse.ysize = y0;
-    
-    return dim;
-}
+Window.SetBackgroundTopColor (0.05, 0.05, 0.05);     # Nice colour on top of the screen fading to
+Window.SetBackgroundBottomColor (0.05, 0.05, 0.05);  # an equally nice colour on the bottom
 
-horse = Image("falbella.png");
-
-Window.SetBackgroundTopColor (0.0, 1.0, 1.0);     # Nice colour on top of the screen fading to
-Window.SetBackgroundBottomColor (1.0, 1.0, 0.0);  # an equally nice colour on the bottom
+first_line_height = ImageFromTintedText ("AfpqtM").GetHeight();
+top_of_the_text = TextYOffset();
 
 bits_per_pixel = Window.GetBitsPerPixel ();
 password_dot_filename = "password_dot.png";
@@ -263,21 +256,23 @@ message_notification[1].image = ImageFromTintedText ("");
 
 status = "normal";
 
-# use a fixed string with ascending and descending stems to calibrate the
-# bounding box for the first message, so the messages below don't move up
-# and down according to *their* height.
-first_line_height = ImageFromTintedText ("AfpqtM").GetHeight();
+animation_sprite = Sprite();
 
-# if the user has a 640x480 or 800x600 display, we can't quite fit everything
-# (including passphrase prompts) with the target spacing, so scoot the text up
-# a bit if needed.
-top_of_the_text = TextYOffset();
+# align the animation in the centre of the screen (optional)
+animation_width = animation_images[animation_first_frame].GetWidth();
+animation_height = animation_images[animation_first_frame].GetHeight();
+animation_sprite.SetX((Window.GetWidth() / 2) - (animation_width / 2));
+animation_sprite.SetY((Window.GetHeight() / 2) - (animation_height / 2));
+animation_sprite.SetZ(0);
 
-horse_dim = calchorse(horse);
-horse = horse.Scale(Window.GetWidth(), Window.GetHeight());
-horse_sprite = Sprite(horse);
-
-SetPosition(horse_sprite, 0, 0, 0);
+# now to animate we can change the image used in the sprite each frame,
+fun update_horse () {
+    animation_current_frame += 1;
+    if (animation_current_frame > animation_last_frame) {
+        animation_current_frame = animation_first_frame;
+    }
+    animation_sprite.SetImage(animation_images[animation_current_frame]);
+}
 
 #-------------------------------Progress Indicator-----------------------------
 # Implement in boot progress callback
@@ -521,36 +516,6 @@ Plymouth.SetUpdateStatusFunction (update_status_callback);
 #
 #Plymouth.SetDisplayQuestionFunction (display_question_callback);
 
-#fun rotate_img(source_img, current_step, nb_steps) {
-#    angle = Math.Sin(current_step / nb_steps * Math.Pi / 2) * 2 * Math.Pi;
-#    #debug_sin = Math.Sin(current_step / nb_steps * Math.Pi / 2);
-#    #DebugMedium("Sin = " + debug_sin);
-#    rotated_img = source_img.Rotate(angle);
-#    return rotated_img;
-#}
-
-fun update_horse () {
-#    if (global.anim_iter > NB_ANIM_STEPS) {
-#        global.anim_iter = 0;
-#    }
-#    #DebugMedium("iter = " + global.anim_iter);
-#    #glow_opacity = 0.6 + 0.3 * Math.Cos(global.anim_iter / NB_ANIM_STEPS * 2 * Math.Pi);
-#    #Debug("glow_opacity = " + glow_opacity);
-#    if (global.anim_start_time != global.progress_time && global.anim_status != "running") {
-#        global.anim_start_time = global.progress_time;
-#        global.anim_iter = 0;
-#        global.anim_status = "running";
-#    }
-#
-#    if (global.anim_status == "running") {
-#        global.glow_sprite.SetOpacity(glow_opacity);
-#        global.anim_iter++;
-#
-#        if (global.anim_iter >= NB_ANIM_STEPS) {
-#            global.anim_status = "stopped";
-#        }
-#    }
-}
 
 
 #-----------------------------------------Refresh stuff --------------------------------
@@ -589,9 +554,7 @@ fun display_normal_callback ()
     if (message_notification[1].sprite) {
         show_message (1);
     }
-
 }
-
 Plymouth.SetDisplayNormalFunction (display_normal_callback);
 
 

test.sh

@@ -1,4 +1,3 @@
 #!/bin/sh
 
-#plymouth-set-default-theme falbella; 
-plymouthd; plymouth --show-splash; sleep 5; pkill plymouth
+plymouth-set-default-theme falbella; plymouthd; plymouth --show-splash; sleep 5; pkill plymouth