Add #SUDDEN, #DELAY

docs/tja_compat.csv

@@ -0,0 +1,83 @@
+TITLE,Supported
+SUBTITLE,Supported
+WAVE,Supported
+DEMOSTART,Supported
+OFFSET,Supported
+BPM,Supported
+SCENEPRESET,Supported
+BGMOVIE,Supported
+COURSE,Supported
+LEVEL,Supported
+BALLOON,Supported
+TOTAL,Supported
+
+#START / #END,Supported
+#BPMCHANGE,Supported
+#MEASURE,Supported
+#GOGOSTART / #GOGOEND,Supported
+#SCROLL,Supported
+#BARLINEOFF / #BARLINEON,Supported
+#LYRIC,Supported
+#SECTION,Supported
+#BRANCHSTART / #BRANCHEND,Supported
+#N / #E / #M,Supported
+#DELAY,Supported
+#SUDDEN,Supported
+
+ARTIST,Unsupported
+MAKER,Unsupported
+NOTESDESIGNER,Unsupported
+AUTHOR,Unsupported
+GENRE,Unsupported
+SIDE,Unsupported
+SIDEREV,Unsupported
+SONGVOL,Unsupported
+SEVOL,Unsupported
+HEADSCROLL,Unsupported
+PREIMAGE,Unsupported
+TAIKOWEBSKIN,Unsupported
+TOWERTYPE,Unsupported
+DANTICK,Unsupported
+DANTICKCOLOR,Unsupported
+SELECTBG,Unsupported
+BGIMAGE,Unsupported
+BGOFFSET,Unsupported
+MOVIEOFFSET,Unsupported
+BGA Headers,Unsupported
+LYRICS: / LYRICFILE,Unsupported
+EXPLICIT,Unsupported
+GAME,Unsupported
+STYLE,Unsupported
+LIFE,Unsupported
+GAUGEINCR,Unsupported
+EXAM,Unsupported
+SCOREMODE,Unsupported
+SCOREINIT,Unsupported
+SCOREDIFF,Unsupported
+HIDDENBRANCH,Unsupported
+
+#BMSCROLL / #HBSCROLL / #NMSCROLL,Unsupported
+#PAPAMAMA,Unsupported
+#DUMMYSTART / #DUMMYEND,Unsupported
+#BARLINESCROLL,Unsupported
+#HISPEED,Unsupported
+#DIRECTION,Unsupported
+#BARLINE,Unsupported
+#JPOSSCROLL,Unsupported
+#JUDGEDELAY,Unsupported
+#NOTESPAWN,Unsupported
+#SENOTECHANGE,Unsupported
+#NOTESCHANGE,Unsupported
+#LEVELHOLD,Unsupported
+#NEXTSONG,Unsupported
+#GAMETYPE,Unsupported
+#HIDDEN,Unsupported
+#NOTE / #BARLINE,Unsupported
+#GRADATION,Unsupported
+#INCLUDE,Unsupported
+#SPLITLANE / #MERGELANE,Unsupported
+#OBJ / #CAM,Unsupported
+#BORDERCOLOR,Unsupported
+#CHANGETEXTURE / #RESETTEXTURE,Unsupported
+#SETCONFIG,Unsupported
+#BGAON / #BGAOFF,Unsupported

libs/tja.py

@@ -70,6 +70,8 @@ class Note:
     is_branch_start: bool = field(init=False)
     branch_params: str = field(init=False)
     lyric: str = field(init=False)
+    sudden_appear_ms: float = field(init=False)
+    sudden_moving_ms: float = field(init=False)
 
     def __lt__(self, other):
         return self.hit_ms < other.hit_ms
@@ -623,6 +625,8 @@ class TJAParser:
         balloon = self.metadata.course_data[diff].balloon.copy()
         count = 0
         index = 0
+        sudden_appear = 0
+        sudden_moving = 0
         time_signature = 4/4
         bpm = self.metadata.bpm
         x_scroll_modifier = 1
@@ -788,6 +792,26 @@ class TJAParser:
                 elif '#GOGOEND' in part:
                     gogo_time = False
                     continue
+                elif part.startswith("#DELAY"):
+                    self.current_ms += float(part[6:]) * 1000
+                    continue
+                elif part.startswith("#SUDDEN"):
+                    # Parse #SUDDEN command
+                    parts = part.split()
+                    if len(parts) >= 3:
+                        appear_duration = float(parts[1])
+                        moving_duration = float(parts[2])
+
+                        # Convert to milliseconds
+                        sudden_appear = appear_duration * 1000
+                        sudden_moving = moving_duration * 1000
+
+                        # Handle special case: if value is 0, treat as infinity
+                        if sudden_appear == 0:
+                            sudden_appear = float('inf')
+                        if sudden_moving == 0:
+                            sudden_moving = float('inf')
+                    continue
                 #Unrecognized commands will be skipped for now
                 elif len(part) > 0 and not part[0].isdigit():
                     logger.warning(f"Unrecognized command: {part}")
@@ -856,6 +880,11 @@ class TJAParser:
                     note.gogo_time = gogo_time
                     note.moji = -1
                     note.lyric = lyric
+
+                    if sudden_appear > 0 or sudden_moving > 0:
+                        note.sudden_appear_ms = sudden_appear
+                        note.sudden_moving_ms = sudden_moving
+
                     if item in {'5', '6'}:
                         note = Drumroll(note)
                         note.color = 255

scenes/game.py

@@ -1015,8 +1015,6 @@ class Player:
         if not self.current_bars:
             return
 
-        # Batch bar draws by pre-calculating positions
-        bar_draws = []
         for bar in reversed(self.current_bars):
             if not bar.display:
                 continue
@@ -1026,17 +1024,17 @@ class Player:
                 frame = 1
             else:
                 frame = 0
-            bar_draws.append((str(bar.type), frame, x_position+60, y_position+190+(self.is_2p*176)))
+            if y_position != 0:
+                angle = math.degrees(math.atan2(bar.pixels_per_frame_y, bar.pixels_per_frame_x))
+            else:
+                angle = 0
+            tex.draw_texture('notes', str(bar.type), frame=frame, x=x_position+60, y=y_position+190+(self.is_2p*176), rotation=angle)
 
-        # Draw all bars in one batch
-        for bar_type, frame, x, y in bar_draws:
-            tex.draw_texture('notes', bar_type, frame=frame, x=x, y=y)
 
     def draw_notes(self, current_ms: float, start_ms: float):
         """Draw notes in the player's lane"""
         if not self.current_notes_draw:
             return
-
         eighth_in_ms = 0 if self.bpm == 0 else (60000 * 4 / self.bpm) / 8
         current_eighth = 0
         if self.combo >= 50 and eighth_in_ms != 0:
@@ -1048,19 +1046,34 @@ class Player:
             if note.type == NoteType.TAIL:
                 continue
 
-            if isinstance(note, Drumroll):
-                self.draw_drumroll(current_ms, note, current_eighth)
-            elif isinstance(note, Balloon) and not note.is_kusudama:
-                x_position = self.get_position_x(SCREEN_WIDTH, current_ms, note.load_ms, note.pixels_per_frame_x)
-                y_position = self.get_position_y(current_ms, note.load_ms, note.pixels_per_frame_y, note.pixels_per_frame_x)
-                self.draw_balloon(current_ms, note, current_eighth)
-                tex.draw_texture('notes', 'moji', frame=note.moji, x=x_position - (168//2) + 64, y=323 + y_position+(self.is_2p*176))
+            if hasattr(note, 'sudden_appear_ms') and hasattr(note, 'sudden_moving_ms'):
+                appear_ms = note.hit_ms - note.sudden_appear_ms
+                moving_start_ms = note.hit_ms - note.sudden_moving_ms
+
+                if current_ms < appear_ms:
+                    continue
+
+                if current_ms < moving_start_ms:
+                    effective_ms = moving_start_ms
+                else:
+                    effective_ms = current_ms
+
+                x_position = self.get_position_x(SCREEN_WIDTH, effective_ms, note.load_ms, note.pixels_per_frame_x)
+                y_position = self.get_position_y(effective_ms, note.load_ms, note.pixels_per_frame_y, note.pixels_per_frame_x)
             else:
                 x_position = self.get_position_x(SCREEN_WIDTH, current_ms, note.load_ms, note.pixels_per_frame_x)
                 y_position = self.get_position_y(current_ms, note.load_ms, note.pixels_per_frame_y, note.pixels_per_frame_x)
+
+            if isinstance(note, Drumroll):
+                self.draw_drumroll(current_ms, note, current_eighth)
+            elif isinstance(note, Balloon) and not note.is_kusudama:
+                self.draw_balloon(current_ms, note, current_eighth)
+                tex.draw_texture('notes', 'moji', frame=note.moji, x=x_position - (168//2) + 64, y=323 + y_position+(self.is_2p*176))
+            else:
                 if note.display:
                     tex.draw_texture('notes', str(note.type), frame=current_eighth % 2, x=x_position, y=y_position+192+(self.is_2p*176), center=True)
                 tex.draw_texture('notes', 'moji', frame=note.moji, x=x_position - (168//2) + 64, y=323 + y_position+(self.is_2p*176))
+
         ray.draw_text(self.current_notes_draw[0].lyric, SCREEN_WIDTH//2 - (ray.measure_text(self.current_notes_draw[0].lyric, 40)//2), SCREEN_HEIGHT - 50, 40, ray.BLUE)
 
 

scenes/practice/game.py

@@ -131,7 +131,10 @@ class PracticeGameScreen(GameScreen):
         self.transition.update(current_time)
         if not self.paused:
             self.current_ms = current_time - self.start_ms
-        self.start_song(current_time)
+        if self.transition.is_finished:
+            self.start_song(self.current_ms)
+        else:
+            self.start_ms = current_time - self.tja.metadata.offset*1000
         self.update_background(current_time)
 
         if self.song_music is not None: