1436 lines
61 KiB
Python
1436 lines
61 KiB
Python
from typing import Any, Dict, Generator, List, Set, Tuple, Optional, Union
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from PIL import Image # type: ignore
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from .blend import affine_composite
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from .swf import (
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SWF,
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Frame,
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Tag,
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AP2ShapeTag,
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AP2DefineSpriteTag,
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AP2PlaceObjectTag,
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AP2RemoveObjectTag,
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AP2DoActionTag,
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AP2DefineFontTag,
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AP2DefineEditTextTag,
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AP2PlaceCameraTag,
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AP2ImageTag,
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)
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from .decompile import ByteCode
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from .types import Color, Matrix, Point, Rectangle, AP2Trigger, AP2Action, PushAction, StoreRegisterAction, StringConstant, Register, NULL, UNDEFINED, GLOBAL, ROOT, PARENT, THIS, CLIP
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from .geo import Shape, DrawParams
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from .util import VerboseOutput
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class RegisteredClip:
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# A movie clip that we are rendering, frame by frame. These are manifest by the root
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# SWF as well as AP2DefineSpriteTags which are essentially embedded movie clips. The
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# tag_id is the AP2DefineSpriteTag that created us, or None if this is the clip for
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# the root of the movie.
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def __init__(self, tag_id: Optional[int], frames: List[Frame], tags: List[Tag], labels: Dict[str, int]) -> None:
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self.tag_id = tag_id
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self.frames = frames
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self.tags = tags
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self.labels = labels
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def __repr__(self) -> str:
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return f"RegisteredClip(tag_id={self.tag_id})"
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class RegisteredShape:
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# A shape that we are rendering, as placed by some placed clip somewhere.
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def __init__(self, tag_id: int, vertex_points: List[Point], tex_points: List[Point], tex_colors: List[Color], draw_params: List[DrawParams]) -> None:
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self.tag_id = tag_id
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self.vertex_points: List[Point] = vertex_points
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self.tex_points: List[Point] = tex_points
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self.tex_colors: List[Color] = tex_colors
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self.draw_params: List[DrawParams] = draw_params
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self.rectangle: Optional[Image.image] = None
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def __repr__(self) -> str:
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return f"RegisteredShape(tag_id={self.tag_id}, vertex_points={self.vertex_points}, tex_points={self.tex_points}, tex_colors={self.tex_colors}, draw_params={self.draw_params})"
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class RegisteredImage:
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# An image that we should draw directly.
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def __init__(self, tag_id: int, reference: str) -> None:
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self.tag_id = tag_id
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self.reference = reference
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def __repr__(self) -> str:
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return f"RegisteredImage(tag_id={self.tag_id}, reference={self.reference})"
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class RegisteredDummy:
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# An imported tag that we could not find.
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def __init__(self, tag_id: int) -> None:
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self.tag_id = tag_id
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def __repr__(self) -> str:
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return f"RegisteredDummy(tag_id={self.tag_id})"
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class Mask:
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def __init__(self, bounds: Rectangle) -> None:
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self.bounds = bounds
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self.rectangle: Optional[Image.Image] = None
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class PlacedObject:
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# An object that occupies the screen at some depth.
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def __init__(self, object_id: int, depth: int, rotation_offset: Point, transform: Matrix, mult_color: Color, add_color: Color, blend: int, mask: Optional[Mask]) -> None:
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self.__object_id = object_id
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self.__depth = depth
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self.rotation_offset = rotation_offset
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self.transform = transform
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self.mult_color = mult_color
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self.add_color = add_color
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self.blend = blend
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self.mask = mask
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@property
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def source(self) -> Union[RegisteredClip, RegisteredShape, RegisteredImage, RegisteredDummy]:
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raise NotImplementedError("Only implemented in subclass!")
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@property
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def depth(self) -> int:
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return self.__depth
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@property
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def object_id(self) -> int:
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return self.__object_id
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def __repr__(self) -> str:
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return f"PlacedObject(object_id={self.object_id}, depth={self.depth})"
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class PlacedShape(PlacedObject):
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# A shape that occupies its parent clip at some depth. Placed by an AP2PlaceObjectTag
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# referencing an AP2ShapeTag.
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def __init__(
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self,
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object_id: int,
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depth: int,
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rotation_offset: Point,
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transform: Matrix,
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mult_color: Color,
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add_color: Color,
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blend: int,
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mask: Optional[Mask],
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source: RegisteredShape,
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) -> None:
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super().__init__(object_id, depth, rotation_offset, transform, mult_color, add_color, blend, mask)
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self.__source = source
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@property
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def source(self) -> RegisteredShape:
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return self.__source
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def __repr__(self) -> str:
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return f"PlacedShape(object_id={self.object_id}, depth={self.depth}, source={self.source})"
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class PlacedClip(PlacedObject):
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# A movieclip that occupies its parent clip at some depth. Placed by an AP2PlaceObjectTag
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# referencing an AP2DefineSpriteTag. Essentially an embedded movie clip.
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def __init__(
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self,
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object_id: int,
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depth: int,
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rotation_offset: Point,
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transform: Matrix,
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mult_color: Color,
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add_color: Color,
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blend: int,
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mask: Optional[Mask],
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source: RegisteredClip,
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) -> None:
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super().__init__(object_id, depth, rotation_offset, transform, mult_color, add_color, blend, mask)
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self.placed_objects: List[PlacedObject] = []
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self.frame: int = 0
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self.unplayed_tags: List[int] = [i for i in range(len(source.tags))]
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self.__source = source
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# Dynamic properties that are adjustable by SWF bytecode.
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self.playing: bool = True
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self.requested_frame: Optional[int] = None
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@property
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def source(self) -> RegisteredClip:
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return self.__source
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def advance(self) -> None:
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if self.frame < len(self.source.frames):
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self.frame += 1
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def rewind(self) -> None:
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self.frame = 0
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self.unplayed_tags = [i for i in range(len(self.__source.tags))]
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self.placed_objects = []
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@property
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def finished(self) -> bool:
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return self.frame == len(self.source.frames)
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def __repr__(self) -> str:
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return f"PlacedClip(object_id={self.object_id}, depth={self.depth}, source={self.source}, frame={self.frame}, total_frames={len(self.source.frames)}, finished={self.finished})"
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def __resolve_frame(self, frame: Any) -> Optional[int]:
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if isinstance(frame, int):
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return frame
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if isinstance(frame, str):
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if frame in self.__source.labels:
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return self.__source.labels[frame]
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return None
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# The following are attributes and functions necessary to support some simple bytecode.
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def gotoAndStop(self, frame: Any) -> None:
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actual_frame = self.__resolve_frame(frame)
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if actual_frame is None:
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print(f"WARNING: Unrecognized frame {frame} to gotoAndStop function!")
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return
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if actual_frame <= 0 or actual_frame > len(self.source.frames):
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return
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self.requested_frame = actual_frame
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self.playing = False
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def gotoAndPlay(self, frame: Any) -> None:
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actual_frame = self.__resolve_frame(frame)
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if actual_frame is None:
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print(f"WARNING: Non-integer frame {frame} to gotoAndPlay function!")
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return
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if actual_frame <= 0 or actual_frame > len(self.source.frames):
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return
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self.requested_frame = actual_frame
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self.playing = True
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def stop(self) -> None:
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self.playing = False
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def play(self) -> None:
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self.playing = True
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@property
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def frameOffset(self) -> int:
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return self.requested_frame or self.frame
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@frameOffset.setter
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def frameOffset(self, val: Any) -> None:
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if not isinstance(val, int):
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# TODO: Technically this should also allow string labels to frames as identified in the
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# SWF specification, but we don't support that here.
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print(f"WARNING: Non-integer frameOffset {val} to frameOffset attribute!")
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return
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if val < 0 or val >= len(self.source.frames):
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return
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self.requested_frame = val + 1
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class PlacedImage(PlacedObject):
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# An image that occupies its parent clip at some depth. Placed by an AP2PlaceObjectTag
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# referencing an AP2ImageTag.
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def __init__(
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self,
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object_id: int,
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depth: int,
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rotation_offset: Point,
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transform: Matrix,
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mult_color: Color,
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add_color: Color,
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blend: int,
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mask: Optional[Mask],
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source: RegisteredImage,
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) -> None:
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super().__init__(object_id, depth, rotation_offset, transform, mult_color, add_color, blend, mask)
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self.__source = source
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@property
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def source(self) -> RegisteredImage:
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return self.__source
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def __repr__(self) -> str:
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return f"PlacedImage(object_id={self.object_id}, depth={self.depth}, source={self.source})"
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class PlacedDummy(PlacedObject):
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# A reference to an object we can't find because we're missing the import.
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def __init__(
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self,
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object_id: int,
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depth: int,
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rotation_offset: Point,
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transform: Matrix,
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mult_color: Color,
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add_color: Color,
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blend: int,
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mask: Optional[Mask],
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source: RegisteredDummy,
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) -> None:
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super().__init__(object_id, depth, rotation_offset, transform, mult_color, add_color, blend, mask)
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self.__source = source
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@property
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def source(self) -> RegisteredDummy:
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return self.__source
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class Global:
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def __init__(self, root: PlacedClip, clip: PlacedClip) -> None:
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self.root = root
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self.clip = clip
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def getInstanceAtDepth(self, depth: Any) -> Any:
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if not isinstance(depth, int):
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return UNDEFINED
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# For some reason, it looks like internally the depth of all objects is
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# stored added to -0x4000, so let's reverse that.
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depth = depth + 0x4000
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for obj in self.clip.placed_objects:
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if obj.depth == depth:
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return obj
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print(f"WARNING: Could not find object at depth {depth}!")
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return UNDEFINED
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def __find_parent(self, parent: PlacedClip, child: PlacedClip) -> Optional[PlacedClip]:
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for obj in parent.placed_objects:
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if obj is child:
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# This is us, so the parent is our parent.
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return parent
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if isinstance(obj, PlacedClip):
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maybe_parent = self.__find_parent(obj, child)
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if maybe_parent is not None:
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return maybe_parent
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return None
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def find_parent(self, child: PlacedClip) -> Optional[PlacedClip]:
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return self.__find_parent(self.root, child)
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class AEPLib:
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def aep_set_rect_mask(self, thisptr: Any, left: Any, right: Any, top: Any, bottom: Any) -> None:
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if not isinstance(left, (int, float)) or not isinstance(right, (int, float)) or not isinstance(top, (int, float)) or not isinstance(bottom, (int, float)):
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print(f"WARNING: Ignoring aeplib.aep_set_rect_mask call with invalid parameters {left}, {right}, {top}, {bottom}!")
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return
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if isinstance(thisptr, PlacedObject):
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thisptr.mask = Mask(
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Rectangle(
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left=float(left),
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right=float(right),
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top=float(top),
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bottom=float(bottom),
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),
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)
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else:
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print(f"WARNING: Ignoring aeplib.aep_set_rect_mask call with unrecognized target {thisptr}!")
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def aep_set_set_frame(self, thisptr: Any, frame: Any) -> None:
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# I have no idea what this should do, so let's ignore it.
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pass
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def gotoAndPlay(self, thisptr: Any, frame: Any) -> Any:
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# This appears to be a wrapper to allow calling gotoAndPlay on clips.
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try:
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meth = getattr(thisptr, 'gotoAndPlay')
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# Call it, set the return on the stack.
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return meth(frame)
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except AttributeError:
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# Function does not exist!
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print(f"WARNING: Tried to call gotoAndPlay({frame}) on {thisptr} but that method doesn't exist!")
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return UNDEFINED
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def deepGotoAndPlay(self, thisptr: Any, frame: Any) -> Any:
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# I don't know how this differs from regular gotoAndPlay.
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try:
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meth = getattr(thisptr, 'gotoAndPlay')
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# Call it, set the return on the stack.
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return meth(frame)
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except AttributeError:
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# Function does not exist!
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print(f"WARNING: Tried to call gotoAndPlay({frame}) on {thisptr} but that method doesn't exist!")
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return UNDEFINED
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def stop(self, thisptr: Any) -> Any:
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# This appears to be a wrapper to allow calling stop on clips.
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try:
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meth = getattr(thisptr, 'stop')
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# Call it, set the return on the stack.
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return meth()
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except AttributeError:
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# Function does not exist!
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print(f"WARNING: Tried to call stop() on {thisptr} but that method doesn't exist!")
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return UNDEFINED
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class ASDLib:
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def sound_play(self, sound: Any) -> None:
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if not isinstance(sound, str):
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print(f"WARNING: Ignoring asdlib.sound_play call with invalid parameters {sound}!")
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print(f"WARNING: Requested sound {sound} be played but we don't support sound yet!")
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MissingThis = object()
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class AFPRenderer(VerboseOutput):
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def __init__(self, shapes: Dict[str, Shape] = {}, textures: Dict[str, Image.Image] = {}, swfs: Dict[str, SWF] = {}, single_threaded: bool = False) -> None:
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super().__init__()
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# Options for rendering
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self.__single_threaded = single_threaded
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# Library of shapes (draw instructions), textures (actual images) and swfs (us and other files for imports).
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self.shapes: Dict[str, Shape] = shapes
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self.textures: Dict[str, Image.Image] = textures
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self.swfs: Dict[str, SWF] = swfs
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# Internal render parameters.
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self.__registered_objects: Dict[int, Union[RegisteredShape, RegisteredClip, RegisteredImage, RegisteredDummy]] = {}
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self.__root: Optional[PlacedClip] = None
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# List of imports that we provide stub implementations for.
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self.__stubbed_swfs: Set[str] = {
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'aeplib.aeplib',
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'aeplib.__Packages.aeplib',
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}
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def add_shape(self, name: str, data: Shape) -> None:
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# Register a named shape with the renderer.
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if not data.parsed:
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data.parse()
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self.shapes[name] = data
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def add_texture(self, name: str, data: Image.Image) -> None:
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# Register a named texture (already loaded PIL image) with the renderer.
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self.textures[name] = data.convert("RGBA")
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def add_swf(self, name: str, data: SWF) -> None:
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# Register a named SWF with the renderer.
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if not data.parsed:
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data.parse()
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self.swfs[name] = data
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def render_path(
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self,
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path: str,
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background_color: Optional[Color] = None,
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background_image: Optional[Image.Image] = None,
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only_depths: Optional[List[int]] = None,
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only_frames: Optional[List[int]] = None,
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movie_transform: Matrix = Matrix.identity(),
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verbose: bool = False,
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) -> Generator[Image.Image, None, None]:
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# Given a path to a SWF root animation, attempt to render it to a list of frames.
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for name, swf in self.swfs.items():
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if swf.exported_name == path:
|
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# This is the SWF we care about.
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with self.debugging(verbose):
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swf.color = background_color or swf.color
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yield from self.__render(swf, only_depths, only_frames, movie_transform, background_image)
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return
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|
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raise Exception(f'{path} not found in registered SWFs!')
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|
|
def compute_path_location(
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self,
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path: str,
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) -> Rectangle:
|
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# Given a path to a SWF root animation, find its bounding rectangle.
|
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for name, swf in self.swfs.items():
|
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if swf.exported_name == path:
|
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# This is the SWF we care about.
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return swf.location
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|
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raise Exception(f'{path} not found in registered SWFs!')
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|
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def compute_path_frames(
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self,
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path: str,
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) -> int:
|
|
# Given a path to a SWF root animation, figure out how many frames are
|
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# in that root path with no regard to bytecode 'stop()' commands.
|
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for name, swf in self.swfs.items():
|
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if swf.exported_name == path:
|
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# This is the SWF we care about.
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return len(swf.frames)
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|
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raise Exception(f'{path} not found in registered SWFs!')
|
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|
|
def compute_path_frame_duration(
|
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self,
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path: str,
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) -> int:
|
|
# Given a path to a SWF root animation, figure out how many milliseconds are
|
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# occupied by each frame.
|
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for name, swf in self.swfs.items():
|
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if swf.exported_name == path:
|
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# This is the SWF we care about.
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spf = 1.0 / swf.fps
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return int(spf * 1000.0)
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|
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raise Exception(f'{path} not found in registered SWFs!')
|
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|
|
def compute_path_size(
|
|
self,
|
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path: str,
|
|
) -> Rectangle:
|
|
# Given a path to a SWF root animation, figure out what the dimensions
|
|
# of the SWF are.
|
|
for name, swf in self.swfs.items():
|
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if swf.exported_name == path:
|
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return swf.location
|
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|
|
raise Exception(f'{path} not found in registered SWFs!')
|
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|
|
def list_paths(self, verbose: bool = False) -> Generator[str, None, None]:
|
|
# Given the loaded animations, return a list of possible paths to render.
|
|
for name, swf in self.swfs.items():
|
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yield swf.exported_name
|
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|
|
def __execute_bytecode(self, bytecode: ByteCode, clip: PlacedClip, thisptr: Optional[Any] = MissingThis, prefix: str="") -> None:
|
|
if self.__root is None:
|
|
raise Exception("Logic error, executing bytecode outside of a rendering movie clip!")
|
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|
|
thisobj = clip if (thisptr is MissingThis) else thisptr
|
|
globalobj = Global(self.__root, clip)
|
|
location: int = 0
|
|
stack: List[Any] = []
|
|
variables: Dict[str, Any] = {
|
|
'aeplib': AEPLib(),
|
|
'asdlib': ASDLib(),
|
|
}
|
|
registers: List[Any] = [UNDEFINED] * 256
|
|
|
|
self.vprint(f"{prefix}Bytecode engine starting.")
|
|
|
|
while location < len(bytecode.actions):
|
|
action = bytecode.actions[location]
|
|
|
|
if action.opcode == AP2Action.END:
|
|
# End the execution.
|
|
self.vprint(f"{prefix} Ending bytecode execution.")
|
|
break
|
|
elif action.opcode == AP2Action.GET_VARIABLE:
|
|
varname = stack.pop()
|
|
|
|
# Look up the variable, put it on the stack.
|
|
if varname in variables:
|
|
stack.append(variables[varname])
|
|
else:
|
|
stack.append(UNDEFINED)
|
|
elif action.opcode == AP2Action.SET_MEMBER:
|
|
# Grab what we're about to do.
|
|
set_value = stack.pop()
|
|
attribute = stack.pop()
|
|
obj = stack.pop()
|
|
|
|
if not hasattr(obj, attribute):
|
|
print(f"WARNING: Tried to set attribute {attribute} on {obj} but that attribute doesn't exist!")
|
|
else:
|
|
self.vprint(f"{prefix} Setting attribute {attribute} on {obj} to {set_value}")
|
|
setattr(obj, attribute, set_value)
|
|
elif action.opcode == AP2Action.CALL_METHOD:
|
|
# Grab the method name.
|
|
methname = stack.pop()
|
|
|
|
# Grab the object to perform the call on.
|
|
obj = stack.pop()
|
|
|
|
# Grab the parameters to pass to the function.
|
|
num_params = stack.pop()
|
|
if not isinstance(num_params, int):
|
|
raise Exception("Logic error, cannot get number of parameters to method call!")
|
|
params = []
|
|
for _ in range(num_params):
|
|
params.append(stack.pop())
|
|
|
|
# Look up the python function we're calling.
|
|
try:
|
|
self.vprint(f"{prefix} Calling method {methname}({', '.join(repr(s) for s in params)}) on {obj}")
|
|
meth = getattr(obj, methname)
|
|
|
|
# Call it, set the return on the stack.
|
|
stack.append(meth(*params))
|
|
except AttributeError:
|
|
# Function does not exist!
|
|
print(f"WARNING: Tried to call {methname}({', '.join(repr(s) for s in params)}) on {obj} but that method doesn't exist!")
|
|
stack.append(UNDEFINED)
|
|
elif action.opcode == AP2Action.CALL_FUNCTION:
|
|
# Grab the method name.
|
|
funcname = stack.pop()
|
|
|
|
# Grab the parameters to pass to the function.
|
|
num_params = stack.pop()
|
|
if not isinstance(num_params, int):
|
|
raise Exception("Logic error, cannot get number of parameters to function call!")
|
|
params = []
|
|
for _ in range(num_params):
|
|
params.append(stack.pop())
|
|
|
|
# Look up the python function we're calling.
|
|
try:
|
|
self.vprint(f"{prefix} Calling global function {funcname}({', '.join(repr(s) for s in params)})")
|
|
func = getattr(globalobj, funcname)
|
|
|
|
# Call it, set the return on the stack.
|
|
stack.append(func(*params))
|
|
except AttributeError:
|
|
# Function does not exist!
|
|
print(f"WARNING: Tried to call {funcname}({', '.join(repr(s) for s in params)}) on {globalobj} but that function doesn't exist!")
|
|
stack.append(UNDEFINED)
|
|
elif isinstance(action, PushAction):
|
|
for obj in action.objects:
|
|
if isinstance(obj, Register):
|
|
stack.append(registers[obj.no])
|
|
elif isinstance(obj, StringConstant):
|
|
if obj.alias:
|
|
stack.append(obj.alias)
|
|
else:
|
|
stack.append(StringConstant.property_to_name(obj.const))
|
|
elif obj is NULL:
|
|
stack.append(None)
|
|
elif obj is THIS:
|
|
stack.append(thisobj)
|
|
elif obj is GLOBAL:
|
|
stack.append(globalobj)
|
|
elif obj is ROOT:
|
|
stack.append(self.__root)
|
|
elif obj is CLIP:
|
|
# I am not sure this is correct? Maybe it works out
|
|
# in circumstances where "THIS" is pointed at something
|
|
# else, such as defined function calls maybe?
|
|
stack.append(clip)
|
|
elif obj is PARENT:
|
|
# Find the parent of this clip.
|
|
stack.append(globalobj.find_parent(clip) or UNDEFINED)
|
|
else:
|
|
stack.append(obj)
|
|
elif isinstance(action, StoreRegisterAction):
|
|
set_value = stack.pop()
|
|
if action.preserve_stack:
|
|
stack.append(set_value)
|
|
|
|
for reg in action.registers:
|
|
registers[reg.no] = set_value
|
|
elif action.opcode == AP2Action.POP:
|
|
stack.pop()
|
|
else:
|
|
print(f"WARNING: Unhandled opcode {action} with stack {stack}")
|
|
|
|
# Next opcode!
|
|
location += 1
|
|
|
|
self.vprint(f"{prefix}Bytecode engine finished.")
|
|
|
|
def __place(self, tag: Tag, operating_clip: PlacedClip, prefix: str = "") -> Tuple[Optional[PlacedClip], bool]:
|
|
# "Place" a tag on the screen. Most of the time, this means performing the action of the tag,
|
|
# such as defining a shape (registering it with our shape list) or adding/removing an object.
|
|
if isinstance(tag, AP2ShapeTag):
|
|
self.vprint(f"{prefix} Loading {tag.reference} into object slot {tag.id}")
|
|
|
|
if tag.reference not in self.shapes:
|
|
raise Exception(f"Cannot find shape reference {tag.reference}!")
|
|
|
|
self.__registered_objects[tag.id] = RegisteredShape(
|
|
tag.id,
|
|
self.shapes[tag.reference].vertex_points,
|
|
self.shapes[tag.reference].tex_points,
|
|
self.shapes[tag.reference].tex_colors,
|
|
self.shapes[tag.reference].draw_params,
|
|
)
|
|
|
|
# Didn't place a new clip, didn't change anything.
|
|
return None, False
|
|
|
|
elif isinstance(tag, AP2ImageTag):
|
|
self.vprint(f"{prefix} Loading {tag.reference} into object slot {tag.id}")
|
|
|
|
if tag.reference not in self.textures:
|
|
raise Exception(f"Cannot find texture reference {tag.reference}!")
|
|
|
|
self.__registered_objects[tag.id] = RegisteredImage(
|
|
tag.id,
|
|
tag.reference,
|
|
)
|
|
|
|
# Didn't place a new clip, didn't change anything.
|
|
return None, False
|
|
|
|
elif isinstance(tag, AP2DefineSpriteTag):
|
|
self.vprint(f"{prefix} Loading Sprite into object slot {tag.id}")
|
|
|
|
# Register a new clip that we might reference to execute.
|
|
self.__registered_objects[tag.id] = RegisteredClip(tag.id, tag.frames, tag.tags, tag.labels)
|
|
|
|
# Didn't place a new clip, didn't change anything.
|
|
return None, False
|
|
|
|
elif isinstance(tag, AP2PlaceObjectTag):
|
|
if tag.update:
|
|
for i in range(len(operating_clip.placed_objects) - 1, -1, -1):
|
|
obj = operating_clip.placed_objects[i]
|
|
|
|
if obj.object_id == tag.object_id and obj.depth == tag.depth:
|
|
new_mult_color = tag.mult_color or obj.mult_color
|
|
new_add_color = tag.add_color or obj.add_color
|
|
new_transform = tag.transform or obj.transform
|
|
new_rotation_offset = tag.rotation_offset or obj.rotation_offset
|
|
new_blend = tag.blend or obj.blend
|
|
|
|
if tag.source_tag_id is not None and tag.source_tag_id != obj.source.tag_id:
|
|
# This completely updates the pointed-at object.
|
|
self.vprint(f"{prefix} Replacing Object source {obj.source.tag_id} with {tag.source_tag_id} on object with Object ID {tag.object_id} onto Depth {tag.depth}")
|
|
|
|
newobj = self.__registered_objects[tag.source_tag_id]
|
|
if isinstance(newobj, RegisteredShape):
|
|
operating_clip.placed_objects[i] = PlacedShape(
|
|
obj.object_id,
|
|
obj.depth,
|
|
new_rotation_offset,
|
|
new_transform,
|
|
new_mult_color,
|
|
new_add_color,
|
|
new_blend,
|
|
obj.mask,
|
|
newobj,
|
|
)
|
|
|
|
# Didn't place a new clip, changed the parent clip.
|
|
return None, True
|
|
elif isinstance(newobj, RegisteredImage):
|
|
operating_clip.placed_objects[i] = PlacedImage(
|
|
obj.object_id,
|
|
obj.depth,
|
|
new_rotation_offset,
|
|
new_transform,
|
|
new_mult_color,
|
|
new_add_color,
|
|
new_blend,
|
|
obj.mask,
|
|
newobj,
|
|
)
|
|
|
|
# Didn't place a new clip, changed the parent clip.
|
|
return None, True
|
|
elif isinstance(newobj, RegisteredClip):
|
|
new_clip = PlacedClip(
|
|
tag.object_id,
|
|
tag.depth,
|
|
new_rotation_offset,
|
|
new_transform,
|
|
new_mult_color,
|
|
new_add_color,
|
|
new_blend,
|
|
obj.mask,
|
|
newobj,
|
|
)
|
|
operating_clip.placed_objects[i] = new_clip
|
|
|
|
# Placed a new clip, changed the parent.
|
|
return new_clip, True
|
|
elif isinstance(newobj, RegisteredDummy):
|
|
operating_clip.placed_objects[i] = PlacedDummy(
|
|
obj.object_id,
|
|
obj.depth,
|
|
new_rotation_offset,
|
|
new_transform,
|
|
new_mult_color,
|
|
new_add_color,
|
|
new_blend,
|
|
obj.mask,
|
|
newobj,
|
|
)
|
|
|
|
# Didn't place a new clip, changed the parent clip.
|
|
return None, True
|
|
else:
|
|
raise Exception(f"Unrecognized object with Tag ID {tag.source_tag_id}!")
|
|
else:
|
|
# As far as I can tell, pretty much only color and matrix stuff can be updated.
|
|
self.vprint(f"{prefix} Updating Object ID {tag.object_id} on Depth {tag.depth}")
|
|
obj.mult_color = new_mult_color
|
|
obj.add_color = new_add_color
|
|
obj.transform = new_transform
|
|
obj.rotation_offset = new_rotation_offset
|
|
obj.blend = new_blend
|
|
return None, True
|
|
|
|
# Didn't place a new clip, did change something.
|
|
print(f"WARNING: Couldn't find tag {tag.object_id} on depth {tag.depth} to update!")
|
|
return None, False
|
|
else:
|
|
if tag.source_tag_id is None:
|
|
raise Exception("Cannot place a tag with no source ID and no update flags!")
|
|
|
|
if tag.source_tag_id in self.__registered_objects:
|
|
self.vprint(f"{prefix} Placing Object {tag.source_tag_id} with Object ID {tag.object_id} onto Depth {tag.depth}")
|
|
|
|
newobj = self.__registered_objects[tag.source_tag_id]
|
|
if isinstance(newobj, RegisteredShape):
|
|
operating_clip.placed_objects.append(
|
|
PlacedShape(
|
|
tag.object_id,
|
|
tag.depth,
|
|
tag.rotation_offset or Point.identity(),
|
|
tag.transform or Matrix.identity(),
|
|
tag.mult_color or Color(1.0, 1.0, 1.0, 1.0),
|
|
tag.add_color or Color(0.0, 0.0, 0.0, 0.0),
|
|
tag.blend or 0,
|
|
None,
|
|
newobj,
|
|
)
|
|
)
|
|
|
|
# Didn't place a new clip, changed the parent clip.
|
|
return None, True
|
|
elif isinstance(newobj, RegisteredImage):
|
|
operating_clip.placed_objects.append(
|
|
PlacedImage(
|
|
tag.object_id,
|
|
tag.depth,
|
|
tag.rotation_offset or Point.identity(),
|
|
tag.transform or Matrix.identity(),
|
|
tag.mult_color or Color(1.0, 1.0, 1.0, 1.0),
|
|
tag.add_color or Color(0.0, 0.0, 0.0, 0.0),
|
|
tag.blend or 0,
|
|
None,
|
|
newobj,
|
|
)
|
|
)
|
|
|
|
# Didn't place a new clip, changed the parent clip.
|
|
return None, True
|
|
elif isinstance(newobj, RegisteredClip):
|
|
placed_clip = PlacedClip(
|
|
tag.object_id,
|
|
tag.depth,
|
|
tag.rotation_offset or Point.identity(),
|
|
tag.transform or Matrix.identity(),
|
|
tag.mult_color or Color(1.0, 1.0, 1.0, 1.0),
|
|
tag.add_color or Color(0.0, 0.0, 0.0, 0.0),
|
|
tag.blend or 0,
|
|
None,
|
|
newobj,
|
|
)
|
|
operating_clip.placed_objects.append(placed_clip)
|
|
|
|
for flags, code in tag.triggers.items():
|
|
if flags & AP2Trigger.ON_LOAD:
|
|
for bytecode in code:
|
|
self.__execute_bytecode(bytecode, placed_clip, prefix=prefix + " ")
|
|
else:
|
|
print("WARNING: Unhandled PLACE_OBJECT trigger with flags {flags}!")
|
|
|
|
# Placed a new clip, changed the parent.
|
|
return placed_clip, True
|
|
elif isinstance(newobj, RegisteredDummy):
|
|
operating_clip.placed_objects.append(
|
|
PlacedDummy(
|
|
tag.object_id,
|
|
tag.depth,
|
|
tag.rotation_offset or Point.identity(),
|
|
tag.transform or Matrix.identity(),
|
|
tag.mult_color or Color(1.0, 1.0, 1.0, 1.0),
|
|
tag.add_color or Color(0.0, 0.0, 0.0, 0.0),
|
|
tag.blend or 0,
|
|
None,
|
|
newobj,
|
|
)
|
|
)
|
|
|
|
# Didn't place a new clip, changed the parent clip.
|
|
return None, True
|
|
else:
|
|
raise Exception(f"Unrecognized object with Tag ID {tag.source_tag_id}!")
|
|
|
|
raise Exception(f"Cannot find a shape or sprite with Tag ID {tag.source_tag_id}!")
|
|
|
|
elif isinstance(tag, AP2RemoveObjectTag):
|
|
self.vprint(f"{prefix} Removing Object ID {tag.object_id} from Depth {tag.depth}")
|
|
|
|
if tag.object_id != 0:
|
|
# Remove the identified object by object ID and depth.
|
|
# Remember removed objects so we can stop any clips.
|
|
removed_objects = [
|
|
obj for obj in operating_clip.placed_objects
|
|
if obj.object_id == tag.object_id and obj.depth == tag.depth
|
|
]
|
|
|
|
# Get rid of the objects that we're removing from the master list.
|
|
operating_clip.placed_objects = [
|
|
obj for obj in operating_clip.placed_objects
|
|
if not(obj.object_id == tag.object_id and obj.depth == tag.depth)
|
|
]
|
|
else:
|
|
# Remove the last placed object at this depth. The placed objects list isn't
|
|
# ordered so much as apppending to the list means the last placed object at a
|
|
# depth comes last.
|
|
removed_objects = []
|
|
for i in range(len(operating_clip.placed_objects)):
|
|
real_index = len(operating_clip.placed_objects) - (i + 1)
|
|
|
|
if operating_clip.placed_objects[real_index].depth == tag.depth:
|
|
removed_objects = operating_clip.placed_objects[real_index:(real_index + 1)]
|
|
operating_clip.placed_objects = operating_clip.placed_objects[:real_index] + operating_clip.placed_objects[(real_index + 1):]
|
|
break
|
|
|
|
if not removed_objects:
|
|
print(f"WARNING: Couldn't find object to remove by ID {tag.object_id} and depth {tag.depth}!")
|
|
|
|
# TODO: Handle ON_UNLOAD triggers for this object. I don't think I've ever seen one
|
|
# on any object so this might be a pedantic request.
|
|
|
|
# Didn't place a new clip, changed parent clip.
|
|
return None, True
|
|
|
|
elif isinstance(tag, AP2DoActionTag):
|
|
self.vprint(f"{prefix} Execution action tag.")
|
|
self.__execute_bytecode(tag.bytecode, operating_clip, prefix=prefix + " ")
|
|
|
|
# Didn't place a new clip.
|
|
return None, False
|
|
|
|
elif isinstance(tag, AP2DefineFontTag):
|
|
print("WARNING: Unhandled DEFINE_FONT tag!")
|
|
|
|
# Didn't place a new clip.
|
|
return None, False
|
|
|
|
elif isinstance(tag, AP2DefineEditTextTag):
|
|
print("WARNING: Unhandled DEFINE_EDIT_TEXT tag!")
|
|
|
|
# Didn't place a new clip.
|
|
return None, False
|
|
|
|
elif isinstance(tag, AP2PlaceCameraTag):
|
|
print("WARNING: Unhandled PLACE_CAMERA tag!")
|
|
|
|
# Didn't place a new clip.
|
|
return None, False
|
|
|
|
else:
|
|
raise Exception(f"Failed to process tag: {tag}")
|
|
|
|
def __apply_mask(
|
|
self,
|
|
parent_mask: Image.Image,
|
|
transform: Matrix,
|
|
mask: Mask,
|
|
) -> Image.Image:
|
|
if mask.rectangle is None:
|
|
# Calculate the new mask rectangle.
|
|
mask.rectangle = Image.new('RGBA', (int(mask.bounds.width), int(mask.bounds.height)), (255, 0, 0, 255))
|
|
|
|
# Offset it by its top/left.
|
|
transform = transform.translate(Point(mask.bounds.left, mask.bounds.top))
|
|
|
|
# Draw the mask onto a new image.
|
|
calculated_mask = affine_composite(
|
|
Image.new('RGBA', (parent_mask.width, parent_mask.height), (0, 0, 0, 0)),
|
|
Color(0.0, 0.0, 0.0, 0.0),
|
|
Color(1.0, 1.0, 1.0, 1.0),
|
|
transform,
|
|
None,
|
|
257,
|
|
mask.rectangle,
|
|
single_threaded=self.__single_threaded,
|
|
)
|
|
|
|
# Composite it onto the current mask.
|
|
return affine_composite(
|
|
parent_mask.copy(),
|
|
Color(0.0, 0.0, 0.0, 0.0),
|
|
Color(1.0, 1.0, 1.0, 1.0),
|
|
Matrix.identity(),
|
|
None,
|
|
256,
|
|
calculated_mask,
|
|
single_threaded=self.__single_threaded,
|
|
)
|
|
|
|
def __render_object(
|
|
self,
|
|
img: Image.Image,
|
|
renderable: PlacedObject,
|
|
parent_transform: Matrix,
|
|
parent_mask: Image.Image,
|
|
parent_mult_color: Color,
|
|
parent_add_color: Color,
|
|
parent_blend: int,
|
|
only_depths: Optional[List[int]] = None,
|
|
prefix: str="",
|
|
) -> Image.Image:
|
|
self.vprint(f"{prefix} Rendering placed object ID {renderable.object_id} from sprite {renderable.source.tag_id} onto Depth {renderable.depth}")
|
|
|
|
# Compute the affine transformation matrix for this object.
|
|
transform = renderable.transform.multiply(parent_transform).translate(Point.identity().subtract(renderable.rotation_offset))
|
|
|
|
# Calculate blending and blend color if it is present.
|
|
mult_color = (renderable.mult_color or Color(1.0, 1.0, 1.0, 1.0)).multiply(parent_mult_color)
|
|
add_color = (renderable.add_color or Color(0.0, 0.0, 0.0, 0.0)).multiply(parent_mult_color).add(parent_add_color)
|
|
blend = renderable.blend or 0
|
|
if parent_blend not in {0, 1, 2} and blend in {0, 1, 2}:
|
|
blend = parent_blend
|
|
|
|
if renderable.mask:
|
|
mask = self.__apply_mask(parent_mask, transform, renderable.mask)
|
|
else:
|
|
mask = parent_mask
|
|
|
|
# Render individual shapes if this is a sprite.
|
|
if isinstance(renderable, PlacedClip):
|
|
if only_depths is not None:
|
|
if renderable.depth not in only_depths:
|
|
if renderable.depth != -1:
|
|
# Not on the correct depth plane.
|
|
return img
|
|
new_only_depths = only_depths
|
|
else:
|
|
new_only_depths = None
|
|
else:
|
|
new_only_depths = None
|
|
|
|
# This is a sprite placement reference. Make sure that we render lower depths
|
|
# first, but preserved placed order as well.
|
|
depths = set(obj.depth for obj in renderable.placed_objects)
|
|
for depth in sorted(depths):
|
|
for obj in renderable.placed_objects:
|
|
if obj.depth != depth:
|
|
continue
|
|
img = self.__render_object(img, obj, transform, mask, mult_color, add_color, blend, only_depths=new_only_depths, prefix=prefix + " ")
|
|
elif isinstance(renderable, PlacedShape):
|
|
if only_depths is not None and renderable.depth not in only_depths:
|
|
# Not on the correct depth plane.
|
|
return img
|
|
|
|
# This is a shape draw reference.
|
|
shape = renderable.source
|
|
|
|
# Now, render out shapes.
|
|
for params in shape.draw_params:
|
|
if not (params.flags & 0x1):
|
|
# Not instantiable, don't render.
|
|
return img
|
|
|
|
if params.flags & 0x4:
|
|
# TODO: Need to support blending and UV coordinate colors here.
|
|
print("WARNING: Unhandled UV coordinate color!")
|
|
|
|
texture = None
|
|
if params.flags & 0x2:
|
|
# We need to look up the texture for this.
|
|
if params.region not in self.textures:
|
|
raise Exception(f"Cannot find texture reference {params.region}!")
|
|
texture = self.textures[params.region]
|
|
|
|
if params.flags & 0x8:
|
|
# TODO: This texture gets further blended somehow? Not sure this is ever used.
|
|
print(f"WARNING: Unhandled texture blend color {params.blend}!")
|
|
elif params.flags & 0x8:
|
|
if shape.rectangle is None:
|
|
# This is a raw rectangle. Its possible that the number of vertex points is
|
|
# not 4, or that the four points in the vertex_points aren't the four corners
|
|
# of a rectangle, but let's assume that doesn't happen for now.
|
|
if len(shape.vertex_points) != 4:
|
|
print("WARNING: Unsupported non-rectangle shape!")
|
|
|
|
x_points = set(p.x for p in shape.vertex_points)
|
|
y_points = set(p.y for p in shape.vertex_points)
|
|
left = min(x_points)
|
|
right = max(x_points)
|
|
top = min(y_points)
|
|
bottom = max(y_points)
|
|
|
|
# Make sure that the four corners are aligned.
|
|
bad = False
|
|
for point in x_points:
|
|
if point not in {left, right}:
|
|
bad = True
|
|
break
|
|
for point in y_points:
|
|
if point not in {top, bottom}:
|
|
bad = True
|
|
break
|
|
if bad:
|
|
print("WARNING: Unsupported non-rectangle shape!")
|
|
|
|
shape.rectangle = Image.new('RGBA', (int(right - left), int(bottom - top)), (params.blend.as_tuple()))
|
|
texture = shape.rectangle
|
|
|
|
if texture is not None:
|
|
img = affine_composite(img, add_color, mult_color, transform, mask, blend, texture, single_threaded=self.__single_threaded)
|
|
elif isinstance(renderable, PlacedImage):
|
|
if only_depths is not None and renderable.depth not in only_depths:
|
|
# Not on the correct depth plane.
|
|
return img
|
|
|
|
# This is a shape draw reference.
|
|
texture = self.textures[renderable.source.reference]
|
|
img = affine_composite(img, add_color, mult_color, transform, mask, blend, texture, single_threaded=self.__single_threaded)
|
|
elif isinstance(renderable, PlacedDummy):
|
|
# Nothing to do!
|
|
pass
|
|
else:
|
|
raise Exception(f"Unknown placed object type to render {renderable}!")
|
|
|
|
return img
|
|
|
|
def __is_dirty(self, clip: PlacedClip) -> bool:
|
|
# If we are dirty ourselves, then the clip is definitely dirty.
|
|
if clip.requested_frame is not None:
|
|
return True
|
|
|
|
# If one of our children is dirty, then we are dirty.
|
|
for child in clip.placed_objects:
|
|
if isinstance(child, PlacedClip):
|
|
if self.__is_dirty(child):
|
|
return True
|
|
|
|
# None of our children (or their children, etc...) or ourselves is dirty.
|
|
return False
|
|
|
|
def __process_tags(self, clip: PlacedClip, only_dirty: bool, prefix: str = " ") -> bool:
|
|
self.vprint(f"{prefix}Handling {'dirty updates on ' if only_dirty else ''}placed clip {clip.object_id} at depth {clip.depth}")
|
|
|
|
# Track whether anything in ourselves or our children changes during this processing.
|
|
changed = False
|
|
|
|
# Make sure to set the requested frame if it isn't set by an external force.
|
|
if clip.requested_frame is None:
|
|
if not clip.playing or clip.finished or only_dirty:
|
|
# We aren't playing this clip because its either paused or finished,
|
|
# or it isn't dirty and we're doing dirty updates only. So, we don't
|
|
# need to advance to any frame.
|
|
clip.requested_frame = clip.frame
|
|
else:
|
|
# We need to do as many things as we need to get to the next frame.
|
|
clip.requested_frame = clip.frame + 1
|
|
|
|
while True:
|
|
# First, see if we need to rewind the clip if we were requested to go backwards
|
|
# during some bytecode update in this loop.
|
|
if clip.frame > clip.requested_frame:
|
|
# Rewind this clip to the beginning so we can replay until the requested frame.
|
|
if clip is self.__root:
|
|
print("WARNING: Root clip was rewound, its possible this animation plays forever!")
|
|
clip.rewind()
|
|
|
|
self.vprint(f"{prefix} Processing frame {clip.frame} on our way to frame {clip.requested_frame}")
|
|
|
|
# Clips that are part of our own placed objects which we should handle.
|
|
child_clips = [c for c in clip.placed_objects if isinstance(c, PlacedClip)]
|
|
|
|
# Execute each tag in the frame if we need to move forward to a new frame.
|
|
if clip.frame != clip.requested_frame:
|
|
frame = clip.source.frames[clip.frame]
|
|
orphans: List[Tag] = []
|
|
played_tags: Set[int] = set()
|
|
|
|
# See if we have any orphans that need to be placed before this frame will work.
|
|
for unplayed_tag in clip.unplayed_tags:
|
|
if unplayed_tag < frame.start_tag_offset:
|
|
self.vprint(f"{prefix} Including orphaned tag {unplayed_tag} in frame evaluation")
|
|
played_tags.add(unplayed_tag)
|
|
orphans.append(clip.source.tags[unplayed_tag])
|
|
|
|
for tagno in range(frame.start_tag_offset, frame.start_tag_offset + frame.num_tags):
|
|
played_tags.add(tagno)
|
|
|
|
# Check these off our future todo list.
|
|
clip.unplayed_tags = [t for t in clip.unplayed_tags if t not in played_tags]
|
|
|
|
# Grab the normal list of tags, add to the orphans.
|
|
tags = orphans + clip.source.tags[frame.start_tag_offset:(frame.start_tag_offset + frame.num_tags)]
|
|
for tagno, tag in enumerate(tags):
|
|
# Perform the action of this tag.
|
|
self.vprint(f"{prefix} Sprite Tag ID: {clip.source.tag_id}, Current Tag: {frame.start_tag_offset + tagno}, Num Tags: {frame.num_tags}")
|
|
new_clip, clip_changed = self.__place(tag, clip, prefix=prefix)
|
|
changed = changed or clip_changed
|
|
|
|
# If we create a new movie clip, process it as well for this frame.
|
|
if new_clip:
|
|
# These are never dirty-only updates as they're fresh-placed.
|
|
changed = self.__process_tags(new_clip, False, prefix=prefix + " ") or changed
|
|
|
|
# Now, advance the frame for this clip since we processed the frame.
|
|
clip.advance()
|
|
|
|
# Now, handle each of the existing clips.
|
|
for child in child_clips:
|
|
changed = self.__process_tags(child, only_dirty, prefix=prefix + " ") or changed
|
|
|
|
# See if we're done with this clip.
|
|
if clip.frame == clip.requested_frame:
|
|
clip.requested_frame = None
|
|
break
|
|
|
|
self.vprint(f"{prefix}Finished handling {'dirty updates on ' if only_dirty else ''}placed clip {clip.object_id} at depth {clip.depth}")
|
|
|
|
# Return if anything was modified.
|
|
return changed
|
|
|
|
def __handle_imports(self, swf: SWF) -> Dict[int, Union[RegisteredShape, RegisteredClip, RegisteredImage, RegisteredDummy]]:
|
|
external_objects: Dict[int, Union[RegisteredShape, RegisteredClip, RegisteredImage, RegisteredDummy]] = {}
|
|
|
|
# Go through, recursively resolve imports for all SWF files.
|
|
for tag_id, imp in swf.imported_tags.items():
|
|
for name, other in self.swfs.items():
|
|
if other.exported_name == imp.swf:
|
|
# This SWF should have the tag reference.
|
|
if imp.tag not in other.exported_tags:
|
|
print(f"WARNING: {swf.exported_name} imports {imp} but that import is not in {other.exported_name}!")
|
|
external_objects[tag_id] = RegisteredDummy(tag_id)
|
|
break
|
|
else:
|
|
external_objects[tag_id] = self.__find_import(other, other.exported_tags[imp.tag])
|
|
break
|
|
else:
|
|
# Only display a warning if we don't have our own stub implementation of this SWF.
|
|
if repr(imp) not in self.__stubbed_swfs:
|
|
print(f"WARNING: {swf.exported_name} imports {imp} but that SWF is not in our library!")
|
|
external_objects[tag_id] = RegisteredDummy(tag_id)
|
|
|
|
# Fix up tag IDs to point at our local definition of them.
|
|
for tid in external_objects:
|
|
external_objects[tid].tag_id = tid
|
|
|
|
# Return our newly populated registered object table containing all imports!
|
|
return external_objects
|
|
|
|
def __find_import(self, swf: SWF, tag_id: int) -> Union[RegisteredShape, RegisteredClip, RegisteredImage, RegisteredDummy]:
|
|
if tag_id in swf.imported_tags:
|
|
external_objects = self.__handle_imports(swf)
|
|
if tag_id not in external_objects:
|
|
raise Exception(f"Logic error, tag ID {tag_id} is an export for {swf.exported_name} but we didn't populate it!")
|
|
return external_objects[tag_id]
|
|
|
|
# We need to do a basic placement to find the registered object so we can return it.
|
|
root_clip = RegisteredClip(
|
|
None,
|
|
swf.frames,
|
|
swf.tags,
|
|
swf.labels,
|
|
)
|
|
|
|
tag = self.__find_tag(root_clip, tag_id)
|
|
if tag is None:
|
|
print(f"WARNING: {swf.exported_name} exports {swf.imported_tags[tag_id]} but does not manifest an object!")
|
|
return RegisteredDummy(tag_id)
|
|
return tag
|
|
|
|
def __find_tag(self, clip: RegisteredClip, tag_id: int) -> Optional[Union[RegisteredShape, RegisteredClip, RegisteredImage, RegisteredDummy]]:
|
|
# Fake-execute this clip to find the tag we need to manifest.
|
|
for frame in clip.frames:
|
|
tags = clip.tags[frame.start_tag_offset:(frame.start_tag_offset + frame.num_tags)]
|
|
|
|
for tagno, tag in enumerate(tags):
|
|
# Attempt to place any tags.
|
|
if isinstance(tag, AP2ShapeTag):
|
|
if tag.id == tag_id:
|
|
# We need to be able to see this shape to place it.
|
|
if tag.reference not in self.shapes:
|
|
raise Exception(f"Cannot find shape reference {tag.reference}!")
|
|
|
|
# This matched, so this is the import.
|
|
return RegisteredShape(
|
|
tag.id,
|
|
self.shapes[tag.reference].vertex_points,
|
|
self.shapes[tag.reference].tex_points,
|
|
self.shapes[tag.reference].tex_colors,
|
|
self.shapes[tag.reference].draw_params,
|
|
)
|
|
|
|
elif isinstance(tag, AP2ImageTag):
|
|
if tag.id == tag_id:
|
|
# We need to be able to see this shape to place it.
|
|
if tag.reference not in self.textures:
|
|
raise Exception(f"Cannot find texture reference {tag.reference}!")
|
|
|
|
# This matched, so this is the import.
|
|
return RegisteredImage(
|
|
tag.id,
|
|
tag.reference,
|
|
)
|
|
|
|
elif isinstance(tag, AP2DefineSpriteTag):
|
|
new_clip = RegisteredClip(tag.id, tag.frames, tag.tags, tag.labels)
|
|
|
|
if tag.id == tag_id:
|
|
# This matched, so it is the clip that we want to export.
|
|
return new_clip
|
|
|
|
# Recursively look in this as well.
|
|
maybe_tag = self.__find_tag(new_clip, tag_id)
|
|
if maybe_tag is not None:
|
|
return maybe_tag
|
|
|
|
# We didn't find the tag we were after.
|
|
return None
|
|
|
|
def __render(
|
|
self,
|
|
swf: SWF,
|
|
only_depths: Optional[List[int]],
|
|
only_frames: Optional[List[int]],
|
|
movie_transform: Matrix,
|
|
background_image: Optional[Image.Image],
|
|
) -> Generator[Image.Image, None, None]:
|
|
# First, let's attempt to resolve imports.
|
|
self.__registered_objects = self.__handle_imports(swf)
|
|
|
|
# Initialize overall frame advancement stuff.
|
|
last_rendered_frame: Optional[Image.Image] = None
|
|
frameno: int = 0
|
|
|
|
# Calculate actual size based on given movie transform.
|
|
actual_size = movie_transform.multiply_point(Point(swf.location.width, swf.location.height)).as_tuple()
|
|
|
|
# TODO: If the location top/left is nonzero, we need move the root transform
|
|
# so that the correct viewport is rendered.
|
|
|
|
# Create a root clip for the movie to play.
|
|
root_clip = PlacedClip(
|
|
-1,
|
|
-1,
|
|
Point.identity(),
|
|
Matrix.identity(),
|
|
Color(1.0, 1.0, 1.0, 1.0),
|
|
Color(0.0, 0.0, 0.0, 0.0),
|
|
0,
|
|
None,
|
|
RegisteredClip(
|
|
None,
|
|
swf.frames,
|
|
swf.tags,
|
|
swf.labels,
|
|
),
|
|
)
|
|
self.__root = root_clip
|
|
|
|
# If we have a background image, add it to the root clip.
|
|
if background_image:
|
|
# Stretch the image to make sure it fits the entire frame.
|
|
imgwidth = float(background_image.width)
|
|
imgheight = float(background_image.height)
|
|
background_matrix = Matrix(
|
|
a=swf.location.width / imgwidth,
|
|
b=0,
|
|
c=0,
|
|
d=swf.location.height / imgheight,
|
|
tx=0,
|
|
ty=0,
|
|
)
|
|
|
|
# Register the background image with the texture library.
|
|
name = f"{swf.exported_name}_inserted_background"
|
|
self.textures[name] = background_image.convert("RGBA")
|
|
|
|
# Place an instance of this background on the root clip.
|
|
root_clip.placed_objects.append(
|
|
PlacedShape(
|
|
-1,
|
|
-1,
|
|
Point.identity(),
|
|
background_matrix,
|
|
Color(1.0, 1.0, 1.0, 1.0),
|
|
Color(0.0, 0.0, 0.0, 0.0),
|
|
0,
|
|
None,
|
|
RegisteredShape(
|
|
-1,
|
|
# The coordinates of the rectangle of the shape in screen space.
|
|
[
|
|
Point(0.0, 0.0),
|
|
Point(imgwidth, 0.0),
|
|
Point(imgwidth, imgheight),
|
|
Point(0.0, imgheight),
|
|
],
|
|
# The coordinates of the original texture in UV space (we don't use this).
|
|
[
|
|
Point(0.0, 0.0),
|
|
Point(1.0, 0.0),
|
|
Point(1.0, 1.0),
|
|
Point(0.0, 1.0),
|
|
],
|
|
# No texture colors.
|
|
[],
|
|
[
|
|
DrawParams(
|
|
# Instantiable, includes texture.
|
|
0x3,
|
|
# The texture this should use for drawing.
|
|
name,
|
|
# The coordinates of the triangles that get drawn (we don't use this).
|
|
[0, 1, 2, 2, 1, 3],
|
|
# The blend color.
|
|
None,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
)
|
|
|
|
# Create the root mask for where to draw the root clip.
|
|
movie_mask = Image.new("RGBA", actual_size, color=(255, 0, 0, 255))
|
|
|
|
# These could possibly be overwritten from an external source of we wanted.
|
|
actual_mult_color = Color(1.0, 1.0, 1.0, 1.0)
|
|
actual_add_color = Color(0.0, 0.0, 0.0, 0.0)
|
|
actual_blend = 0
|
|
|
|
if only_frames:
|
|
max_frame = max(only_frames)
|
|
else:
|
|
max_frame = None
|
|
|
|
# Now play the frames of the root clip.
|
|
try:
|
|
while root_clip.playing and not root_clip.finished:
|
|
# Create a new image to render into.
|
|
self.vprint(f"Rendering frame {frameno + 1}/{len(root_clip.source.frames)}")
|
|
|
|
# Go through all registered clips, place all needed tags.
|
|
changed = self.__process_tags(root_clip, False)
|
|
while self.__is_dirty(root_clip):
|
|
changed = self.__process_tags(root_clip, True) or changed
|
|
|
|
# If we're only rendering some frames, don't bother to do the draw operations
|
|
# if we aren't going to return the frame.
|
|
if only_frames and (frameno + 1) not in only_frames:
|
|
self.vprint(f"Skipped rendering frame {frameno + 1}/{len(root_clip.source.frames)}")
|
|
last_rendered_frame = None
|
|
frameno += 1
|
|
continue
|
|
|
|
if changed or last_rendered_frame is None:
|
|
# Now, render out the placed objects.
|
|
color = swf.color or Color(0.0, 0.0, 0.0, 0.0)
|
|
curimage = Image.new("RGBA", actual_size, color=color.as_tuple())
|
|
curimage = self.__render_object(curimage, root_clip, movie_transform, movie_mask, actual_mult_color, actual_add_color, actual_blend, only_depths=only_depths)
|
|
else:
|
|
# Nothing changed, make a copy of the previous render.
|
|
self.vprint(" Using previous frame render")
|
|
curimage = last_rendered_frame.copy()
|
|
|
|
# Return that frame, advance our bookkeeping.
|
|
self.vprint(f"Finished rendering frame {frameno + 1}/{len(root_clip.source.frames)}")
|
|
last_rendered_frame = curimage
|
|
frameno += 1
|
|
yield curimage
|
|
|
|
# See if we should bail because we passed the last requested frame.
|
|
if max_frame is not None and frameno == max_frame:
|
|
break
|
|
except KeyboardInterrupt:
|
|
# Allow ctrl-c to end early and render a partial animation.
|
|
print(f"WARNING: Interrupted early, will render only {frameno}/{len(root_clip.source.frames)} frames of animation!")
|
|
|
|
# Clean up
|
|
self.__root = None
|