Give rolls full power only during movement stage

+ Make roll only give hitbox reduction during movement
+ Make roll only give iframes during movement
+ Move slowly while in roll-buildup

common/src/comp/character_state.rs

@@ -405,7 +405,13 @@ impl CharacterState {
         }
     }
 
-    pub fn is_dodge(&self) -> bool { matches!(self, CharacterState::Roll(_)) }
+    pub fn is_dodge(&self) -> bool {
+        if let CharacterState::Roll(c) = self {
+            c.stage_section == StageSection::Movement
+        } else {
+            false
+        }
+    }
 
     pub fn is_glide(&self) -> bool { matches!(self, CharacterState::Glide(_)) }
 
@@ -415,7 +421,7 @@ impl CharacterState {
 
     pub fn attack_immunities(&self) -> Option<AttackFilters> {
         if let CharacterState::Roll(c) = self {
-            Some(c.static_data.attack_immunities)
+            (c.stage_section == StageSection::Movement).then_some(c.static_data.attack_immunities)
         } else {
             None
         }

common/src/states/roll.rs

@@ -60,7 +60,7 @@ impl CharacterBehavior for Data {
 
         match self.stage_section {
             StageSection::Buildup => {
-                handle_move(data, &mut update, 1.0);
+                handle_move(data, &mut update, 0.3);
                 if self.timer < self.static_data.buildup_duration {
                     // Build up
                     update.character = CharacterState::Roll(Data {