[script] Add support for 'for'

Matches the use in C as "for (first, condition, last)" where first is executed
once, last is executed at the end of each iteration (even when continue is
executed) and condition is tested at the start of every cycle.

1 files changed, 3 insertions, 7 deletions

diff --git a/themes/script/script.script b/themes/script/script.script
index dccea015..41bdc55f 100644
--- a/themes/script/script.script
+++ b/themes/script/script.script
@@ -28,7 +28,7 @@ fun refresh (){
         SpriteSetY (logo.sprite, 300 - ImageGetHeight(logo.image));
         SpriteSetOpacity (logo.sprite, 1);
         }
-    if (status != "normal"){
+    else{
         SpriteSetOpacity (throbber_sprite, 0);
         SpriteSetX (logo.sprite, 0);
         SpriteSetY (logo.sprite, 0);
@@ -98,9 +98,8 @@ fun dialogue_opacity(opacity){
     SpriteSetOpacity (lock.sprite, opacity);
     SpriteSetOpacity (entry.sprite, opacity);
     index = 0;
-    while (bullet[index]){
+    for (index = 0; bullet[index]; index++){
         SpriteSetOpacity(bullet[index].sprite, opacity);
-        index++;
         }
     }
 
@@ -117,8 +116,7 @@ fun display_password (prompt, bullets){
     global.status = "password";
     if (!global.dialogue) dialogue_setup();
     dialogue_opacity (1);
-    index = 0;
-    while (dialogue.bullet[index] || index < bullets){
+    for (index = 0; dialogue.bullet[index] || index < bullets; index++){
         if (!dialogue.bullet[index]){
             dialogue.bullet[index].sprite = SpriteNew();
             SpriteSetImage(dialogue.bullet[index].sprite, dialogue.bullet_image);
@@ -133,8 +131,6 @@ fun display_password (prompt, bullets){
         if (index < bullets){
             SpriteSetOpacity(dialogue.bullet[index].sprite, 1);
             }
-        
-        index++;
         }
     }
 PlymouthSetDisplayPasswordFunction(display_password);