1213 lines
44 KiB
Rust
1213 lines
44 KiB
Rust
use crate::avm1::{Avm1, Object, TObject, Value};
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use crate::context::{RenderContext, UpdateContext};
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use crate::player::NEWEST_PLAYER_VERSION;
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use crate::prelude::*;
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use crate::tag_utils::SwfMovie;
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use crate::transform::Transform;
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use enumset::{EnumSet, EnumSetType};
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use gc_arena::{Collect, MutationContext};
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use ruffle_macros::enum_trait_object;
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use std::cell::{Ref, RefMut};
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use std::cmp::min;
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use std::fmt::Debug;
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use std::sync::Arc;
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mod bitmap;
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mod button;
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mod edit_text;
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mod graphic;
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mod morph_shape;
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mod movie_clip;
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mod text;
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use crate::avm1::activation::Activation;
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use crate::events::{ClipEvent, ClipEventResult};
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pub use bitmap::Bitmap;
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pub use button::Button;
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pub use edit_text::{AutoSizeMode, EditText};
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pub use graphic::Graphic;
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pub use morph_shape::{MorphShape, MorphShapeStatic};
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pub use movie_clip::MovieClip;
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pub use text::Text;
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#[derive(Clone, Debug)]
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pub struct DisplayObjectBase<'gc> {
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parent: Option<DisplayObject<'gc>>,
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place_frame: u16,
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depth: Depth,
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transform: Transform,
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name: String,
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clip_depth: Depth,
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// Cached transform properties `_xscale`, `_yscale`, `_rotation`.
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// These are expensive to calculate, so they will be calculated and cached when AS requests
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// one of these properties.
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rotation: f64,
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scale_x: f64,
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scale_y: f64,
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skew: f64,
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/// The first child of this display object in order of execution.
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/// This is differen than render order.
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first_child: Option<DisplayObject<'gc>>,
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/// The previous sibling of this display object in order of execution.
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prev_sibling: Option<DisplayObject<'gc>>,
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/// The next sibling of this display object in order of execution.
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next_sibling: Option<DisplayObject<'gc>>,
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/// Bit flags for various display object properites.
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flags: EnumSet<DisplayObjectFlags>,
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}
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impl<'gc> Default for DisplayObjectBase<'gc> {
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fn default() -> Self {
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Self {
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parent: Default::default(),
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place_frame: Default::default(),
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depth: Default::default(),
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transform: Default::default(),
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name: Default::default(),
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clip_depth: Default::default(),
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rotation: 0.0,
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scale_x: 1.0,
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scale_y: 1.0,
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skew: 0.0,
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first_child: None,
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prev_sibling: None,
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next_sibling: None,
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flags: DisplayObjectFlags::Visible.into(),
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}
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}
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}
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unsafe impl<'gc> Collect for DisplayObjectBase<'gc> {
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#[inline]
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fn trace(&self, cc: gc_arena::CollectionContext) {
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self.parent.trace(cc);
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self.first_child.trace(cc);
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self.prev_sibling.trace(cc);
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self.next_sibling.trace(cc);
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}
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}
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#[allow(dead_code)]
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impl<'gc> DisplayObjectBase<'gc> {
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/// Reset all properties that would be adjusted by a movie load.
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fn reset_for_movie_load(&mut self) {
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self.first_child = None;
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self.flags = DisplayObjectFlags::Visible.into();
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}
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fn id(&self) -> CharacterId {
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0
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}
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fn depth(&self) -> Depth {
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self.depth
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}
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fn set_depth(&mut self, depth: Depth) {
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self.depth = depth;
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}
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fn place_frame(&self) -> u16 {
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self.place_frame
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}
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fn set_place_frame(&mut self, _context: MutationContext<'gc, '_>, frame: u16) {
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self.place_frame = frame;
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}
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fn transform(&self) -> &Transform {
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&self.transform
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}
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fn matrix(&self) -> &Matrix {
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&self.transform.matrix
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}
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fn matrix_mut(&mut self, _context: MutationContext<'gc, '_>) -> &mut Matrix {
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&mut self.transform.matrix
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}
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fn set_matrix(&mut self, _context: MutationContext<'gc, '_>, matrix: &Matrix) {
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self.transform.matrix = *matrix;
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self.flags.remove(DisplayObjectFlags::ScaleRotationCached);
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}
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fn color_transform(&self) -> &ColorTransform {
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&self.transform.color_transform
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}
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fn color_transform_mut(&mut self) -> &mut ColorTransform {
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&mut self.transform.color_transform
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}
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fn set_color_transform(
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&mut self,
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_context: MutationContext<'gc, '_>,
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color_transform: &ColorTransform,
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) {
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self.transform.color_transform = *color_transform;
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}
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fn x(&self) -> f64 {
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self.transform.matrix.tx.to_pixels()
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}
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fn set_x(&mut self, value: f64) {
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self.set_transformed_by_script(true);
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self.transform.matrix.tx = Twips::from_pixels(value)
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}
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fn y(&self) -> f64 {
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self.transform.matrix.ty.to_pixels()
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}
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fn set_y(&mut self, value: f64) {
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self.set_transformed_by_script(true);
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self.transform.matrix.ty = Twips::from_pixels(value)
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}
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/// Caches the scale and rotation factors for this display object, if necessary.
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/// Calculating these requires heavy trig ops, so we only do it when `_xscale`, `_yscale` or
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/// `_rotation` is accessed.
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fn cache_scale_rotation(&mut self) {
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if !self.flags.contains(DisplayObjectFlags::ScaleRotationCached) {
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let (a, b, c, d) = (
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self.transform.matrix.a,
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self.transform.matrix.b,
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self.transform.matrix.c,
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self.transform.matrix.d,
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);
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// If this object's transform matrix is:
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// [[a c tx]
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// [b d ty]]
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// After transformation, the X-axis and Y-axis will turn into the column vectors x' = <a, b> and y' = <c, d>.
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// We derive the scale, rotation, and skew values from these transformed axes.
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// The skew value is not exposed by ActionScript, but is remembered internally.
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// xscale = len(x')
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// yscale = len(y')
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// rotation = atan2(b, a) (the rotation of x' from the normal x-axis).
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// skew = atan2(-c, d) - atan2(b, a) (the signed difference between y' and x' rotation)
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// This can produce some surprising results due to the overlap between flipping/rotation/skewing.
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// For example, in Flash, using Modify->Transform->Flip Horizontal and then tracing _xscale, _yscale, and _rotation
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// will output 100, 100, and 180. (a horizontal flip could also be a 180 degree skew followed by 180 degree rotation!)
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let rotation_x = f32::atan2(b, a);
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let rotation_y = f32::atan2(-c, d);
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let scale_x = f32::sqrt(a * a + b * b);
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let scale_y = f32::sqrt(c * c + d * d);
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self.rotation = rotation_x.into();
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self.scale_x = scale_x.into();
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self.scale_y = scale_y.into();
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self.skew = (rotation_y - rotation_x).into();
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self.flags.insert(DisplayObjectFlags::ScaleRotationCached);
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}
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}
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fn set_scale(&mut self, scale_x: f32, scale_y: f32, rotation: f32) {
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self.cache_scale_rotation();
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let mut matrix = &mut self.transform.matrix;
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let rotation = rotation.to_radians();
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let cos_x = f32::cos(rotation);
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let sin_x = f32::sin(rotation);
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self.scale_x = scale_x.into();
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self.scale_y = scale_y.into();
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self.rotation = rotation.into();
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matrix.a = (scale_x * cos_x) as f32;
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matrix.b = (scale_x * sin_x) as f32;
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matrix.c = (scale_y * -sin_x) as f32;
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matrix.d = (scale_y * cos_x) as f32;
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}
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fn rotation(&mut self) -> f64 {
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self.cache_scale_rotation();
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self.rotation
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}
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fn set_rotation(&mut self, radians: f64) {
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self.set_transformed_by_script(true);
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self.cache_scale_rotation();
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self.rotation = radians;
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let cos_x = f64::cos(radians);
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let sin_x = f64::sin(radians);
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let cos_y = f64::cos(radians + self.skew);
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let sin_y = f64::sin(radians + self.skew);
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let mut matrix = &mut self.transform.matrix;
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matrix.a = (self.scale_x * cos_x) as f32;
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matrix.b = (self.scale_x * sin_x) as f32;
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matrix.c = (self.scale_y * -sin_y) as f32;
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matrix.d = (self.scale_y * cos_y) as f32;
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}
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fn scale_x(&mut self) -> f64 {
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self.cache_scale_rotation();
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self.scale_x
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}
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fn set_scale_x(&mut self, value: f64) {
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self.set_transformed_by_script(true);
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self.cache_scale_rotation();
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self.scale_x = value;
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let cos = f64::cos(self.rotation);
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let sin = f64::sin(self.rotation);
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let mut matrix = &mut self.transform.matrix;
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matrix.a = (cos * value) as f32;
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matrix.b = (sin * value) as f32;
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}
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fn scale_y(&mut self) -> f64 {
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self.cache_scale_rotation();
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self.scale_y
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}
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fn set_scale_y(&mut self, value: f64) {
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self.set_transformed_by_script(true);
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self.cache_scale_rotation();
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self.scale_y = value;
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let cos = f64::cos(self.rotation + self.skew);
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let sin = f64::sin(self.rotation + self.skew);
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let mut matrix = &mut self.transform.matrix;
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matrix.c = (-sin * value) as f32;
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matrix.d = (cos * value) as f32;
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}
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fn name(&self) -> &str {
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&self.name
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}
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fn set_name(&mut self, _context: MutationContext<'gc, '_>, name: &str) {
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self.name = name.to_string();
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}
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fn alpha(&self) -> f64 {
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f64::from(self.color_transform().a_mult)
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}
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fn set_alpha(&mut self, value: f64) {
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self.set_transformed_by_script(true);
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self.color_transform_mut().a_mult = value as f32
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}
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fn clip_depth(&self) -> Depth {
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self.clip_depth
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}
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fn set_clip_depth(&mut self, _context: MutationContext<'gc, '_>, depth: Depth) {
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self.clip_depth = depth;
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}
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fn parent(&self) -> Option<DisplayObject<'gc>> {
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self.parent
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}
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fn set_parent(
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&mut self,
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_context: MutationContext<'gc, '_>,
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parent: Option<DisplayObject<'gc>>,
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) {
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self.parent = parent;
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}
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fn first_child(&self) -> Option<DisplayObject<'gc>> {
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self.first_child
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}
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fn set_first_child(
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&mut self,
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_context: MutationContext<'gc, '_>,
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node: Option<DisplayObject<'gc>>,
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) {
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self.first_child = node;
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}
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fn prev_sibling(&self) -> Option<DisplayObject<'gc>> {
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self.prev_sibling
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}
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fn set_prev_sibling(
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&mut self,
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_context: MutationContext<'gc, '_>,
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node: Option<DisplayObject<'gc>>,
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) {
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self.prev_sibling = node;
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}
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fn next_sibling(&self) -> Option<DisplayObject<'gc>> {
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self.next_sibling
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}
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fn set_next_sibling(
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&mut self,
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_context: MutationContext<'gc, '_>,
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node: Option<DisplayObject<'gc>>,
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) {
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self.next_sibling = node;
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}
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fn removed(&self) -> bool {
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self.flags.contains(DisplayObjectFlags::Removed)
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}
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fn set_removed(&mut self, value: bool) {
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if value {
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self.flags.insert(DisplayObjectFlags::Removed);
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} else {
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self.flags.remove(DisplayObjectFlags::Removed);
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}
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}
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fn visible(&self) -> bool {
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self.flags.contains(DisplayObjectFlags::Visible)
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}
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fn set_visible(&mut self, value: bool) {
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if value {
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self.flags.insert(DisplayObjectFlags::Visible);
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} else {
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self.flags.remove(DisplayObjectFlags::Visible);
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}
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}
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fn transformed_by_script(&self) -> bool {
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self.flags.contains(DisplayObjectFlags::TransformedByScript)
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}
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fn set_transformed_by_script(&mut self, value: bool) {
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if value {
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self.flags.insert(DisplayObjectFlags::TransformedByScript);
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} else {
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self.flags.remove(DisplayObjectFlags::TransformedByScript);
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}
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}
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fn swf_version(&self) -> u8 {
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self.parent
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.map(|p| p.swf_version())
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.unwrap_or(NEWEST_PLAYER_VERSION)
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}
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fn movie(&self) -> Option<Arc<SwfMovie>> {
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self.parent.and_then(|p| p.movie())
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}
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}
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#[enum_trait_object(
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#[derive(Clone, Collect, Debug, Copy)]
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#[collect(no_drop)]
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pub enum DisplayObject<'gc> {
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Bitmap(Bitmap<'gc>),
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Button(Button<'gc>),
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EditText(EditText<'gc>),
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Graphic(Graphic<'gc>),
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MorphShape(MorphShape<'gc>),
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MovieClip(MovieClip<'gc>),
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Text(Text<'gc>),
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}
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)]
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pub trait TDisplayObject<'gc>: 'gc + Collect + Debug + Into<DisplayObject<'gc>> {
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fn id(&self) -> CharacterId;
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fn depth(&self) -> Depth;
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fn set_depth(&self, gc_context: MutationContext<'gc, '_>, depth: Depth);
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/// The untransformed inherent bounding box of this object.
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/// These bounds do **not** include child DisplayObjects.
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/// To get the bounds including children, use `bounds`, `local_bounds`, or `world_bounds`.
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///
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/// Implementors must override this method.
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/// Leaf DisplayObjects should return their bounds.
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/// Composite DisplayObjects that only contain children should return `&Default::default()`
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fn self_bounds(&self) -> BoundingBox;
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/// The untransformed bounding box of this object including children.
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fn bounds(&self) -> BoundingBox {
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self.bounds_with_transform(&Matrix::default())
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}
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/// The local bounding box of this object including children, in its parent's coordinate system.
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fn local_bounds(&self) -> BoundingBox {
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self.bounds_with_transform(&self.matrix())
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}
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/// The world bounding box of this object including children, relative to the stage.
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fn world_bounds(&self) -> BoundingBox {
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self.bounds_with_transform(&self.local_to_global_matrix())
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}
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/// Gets the bounds of this object and all children, transformed by a given matrix.
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/// This function recurses down and transforms the AABB each child before adding
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/// it to the bounding box. This gives a tighter AABB then if we simply transformed
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/// the overall AABB.
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fn bounds_with_transform(&self, matrix: &Matrix) -> BoundingBox {
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let mut bounds = self.self_bounds().transform(matrix);
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for child in self.children() {
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let matrix = *matrix * *child.matrix();
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bounds.union(&child.bounds_with_transform(&matrix));
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}
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bounds
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}
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fn place_frame(&self) -> u16;
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fn set_place_frame(&mut self, context: MutationContext<'gc, '_>, frame: u16);
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fn transform(&self) -> Ref<Transform>;
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fn matrix(&self) -> Ref<Matrix>;
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fn matrix_mut(&mut self, context: MutationContext<'gc, '_>) -> RefMut<Matrix>;
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fn set_matrix(&mut self, context: MutationContext<'gc, '_>, matrix: &Matrix);
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fn color_transform(&self) -> Ref<ColorTransform>;
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fn color_transform_mut(&self, context: MutationContext<'gc, '_>) -> RefMut<ColorTransform>;
|
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fn set_color_transform(
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&mut self,
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context: MutationContext<'gc, '_>,
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color_transform: &ColorTransform,
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);
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|
|
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/// Returns the matrix for transforming from this object's local space to global stage space.
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fn local_to_global_matrix(&self) -> Matrix {
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let mut node = self.parent();
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let mut matrix = *self.matrix();
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while let Some(display_object) = node {
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matrix = *display_object.matrix() * matrix;
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node = display_object.parent();
|
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}
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|
|
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matrix
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}
|
|
|
|
/// Returns the matrix for transforming from global stage to this object's local space.
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|
fn global_to_local_matrix(&self) -> Matrix {
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|
let mut node = self.parent();
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|
let mut matrix = *self.matrix();
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|
while let Some(display_object) = node {
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|
matrix = *display_object.matrix() * matrix;
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|
node = display_object.parent();
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}
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matrix.invert();
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matrix
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}
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|
|
|
/// Converts a local position to a global stage position
|
|
fn local_to_global(&self, local: (Twips, Twips)) -> (Twips, Twips) {
|
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self.local_to_global_matrix() * local
|
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}
|
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|
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/// Converts a local position on the stage to a local position on this display object
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|
fn global_to_local(&self, global: (Twips, Twips)) -> (Twips, Twips) {
|
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self.global_to_local_matrix() * global
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}
|
|
|
|
/// The `x` position in pixels of this display object in local space.
|
|
/// Returned by the `_x`/`x` ActionScript properties.
|
|
fn x(&self) -> f64;
|
|
|
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/// Sets the `x` position in pixels of this display object in local space.
|
|
/// Set by the `_x`/`x` ActionScript properties.
|
|
fn set_x(&mut self, gc_context: MutationContext<'gc, '_>, value: f64);
|
|
|
|
/// The `y` position in pixels of this display object in local space.
|
|
/// Returned by the `_y`/`y` ActionScript properties.
|
|
fn y(&self) -> f64;
|
|
|
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/// Sets the `y` position in pixels of this display object in local space.
|
|
/// Set by the `_y`/`y` ActionScript properties.
|
|
fn set_y(&mut self, gc_context: MutationContext<'gc, '_>, value: f64);
|
|
|
|
/// The rotation in radians this display object in local space.
|
|
/// Returned by the `_rotation`/`rotation` ActionScript properties.
|
|
/// Note that the ActionScript properties return the angle in degrees;
|
|
/// the conversion to degrees is done in the AVM.
|
|
fn rotation(&mut self, gc_context: MutationContext<'gc, '_>) -> f64;
|
|
|
|
/// Sets the rotation in radians this display object in local space.
|
|
/// Set by the `_rotation`/`rotation` ActionScript properties.
|
|
/// Note that the ActionScript properties set the angle in degrees;
|
|
/// the conversion to radians is done in the AVM.
|
|
fn set_rotation(&mut self, gc_context: MutationContext<'gc, '_>, radians: f64);
|
|
|
|
/// The X axis scale for this display object in local space.
|
|
/// The normal scale is 1.
|
|
/// Returned by the `_xscale`/`scaleX` ActionScript properties.
|
|
fn scale_x(&mut self, gc_context: MutationContext<'gc, '_>) -> f64;
|
|
|
|
/// Sets the scale of the X axis for this display object in local space.
|
|
/// The normal scale is 1.
|
|
/// Set by the `_xscale`/`scaleX` ActionScript properties.
|
|
fn set_scale_x(&mut self, gc_context: MutationContext<'gc, '_>, value: f64);
|
|
|
|
/// The Y axis scale for this display object in local space.
|
|
/// The normal scale is 1.
|
|
/// Returned by the `_yscale`/`scaleY` ActionScript properties.
|
|
fn scale_y(&mut self, gc_context: MutationContext<'gc, '_>) -> f64;
|
|
|
|
/// Sets the Y axis scale for this display object in local space.
|
|
/// The normal scale is 1.
|
|
/// Returned by the `_yscale`/`scaleY` ActionScript properties.
|
|
fn set_scale_y(&mut self, gc_context: MutationContext<'gc, '_>, value: f64);
|
|
|
|
/// Sets the pixel width of this display object in local space.
|
|
/// The width is based on the AABB of the object.
|
|
/// Returned by the ActionScript `_width`/`width` properties.
|
|
fn width(&self) -> f64 {
|
|
let bounds = self.local_bounds();
|
|
(bounds.x_max - bounds.x_min).to_pixels()
|
|
}
|
|
|
|
/// Sets the pixel width of this display object in local space.
|
|
/// The width is based on the AABB of the object.
|
|
/// Set by the ActionScript `_width`/`width` properties.
|
|
/// This does odd things on rotated clips to match the behavior of Flash.
|
|
fn set_width(&mut self, gc_context: MutationContext<'gc, '_>, value: f64) {
|
|
let object_bounds = self.bounds();
|
|
let object_width = (object_bounds.x_max - object_bounds.x_min).to_pixels();
|
|
let object_height = (object_bounds.y_max - object_bounds.y_min).to_pixels();
|
|
let aspect_ratio = object_height / object_width;
|
|
|
|
let (target_scale_x, target_scale_y) = if object_width != 0.0 {
|
|
(value / object_width, value / object_height)
|
|
} else {
|
|
(0.0, 0.0)
|
|
};
|
|
|
|
// No idea about the derivation of this -- figured it out via lots of trial and error.
|
|
// It has to do with the length of the sides A, B of an AABB enclosing the object's OBB with sides a, b:
|
|
// A = sin(t) * a + cos(t) * b
|
|
// B = cos(t) * a + sin(t) * b
|
|
let prev_scale_x = self.scale_x(gc_context);
|
|
let prev_scale_y = self.scale_y(gc_context);
|
|
let rotation = self.rotation(gc_context);
|
|
let cos = f64::abs(f64::cos(rotation));
|
|
let sin = f64::abs(f64::sin(rotation));
|
|
let new_scale_x = aspect_ratio * (cos * target_scale_x + sin * target_scale_y)
|
|
/ ((cos + aspect_ratio * sin) * (aspect_ratio * cos + sin));
|
|
let new_scale_y =
|
|
(sin * prev_scale_x + aspect_ratio * cos * prev_scale_y) / (aspect_ratio * cos + sin);
|
|
self.set_scale_x(gc_context, new_scale_x);
|
|
self.set_scale_y(gc_context, new_scale_y);
|
|
}
|
|
/// Gets the pixel height of the AABB containing this display object in local space.
|
|
/// Returned by the ActionScript `_height`/`height` properties.
|
|
fn height(&self) -> f64 {
|
|
let bounds = self.local_bounds();
|
|
(bounds.y_max - bounds.y_min).to_pixels()
|
|
}
|
|
/// Sets the pixel height of this display object in local space.
|
|
/// Set by the ActionScript `_height`/`height` properties.
|
|
/// This does odd things on rotated clips to match the behavior of Flash.
|
|
fn set_height(&mut self, gc_context: MutationContext<'gc, '_>, value: f64) {
|
|
let object_bounds = self.bounds();
|
|
let object_width = (object_bounds.x_max - object_bounds.x_min).to_pixels();
|
|
let object_height = (object_bounds.y_max - object_bounds.y_min).to_pixels();
|
|
let aspect_ratio = object_width / object_height;
|
|
|
|
let (target_scale_x, target_scale_y) = if object_height != 0.0 {
|
|
(value / object_width, value / object_height)
|
|
} else {
|
|
(0.0, 0.0)
|
|
};
|
|
|
|
// No idea about the derivation of this -- figured it out via lots of trial and error.
|
|
// It has to do with the length of the sides A, B of an AABB enclosing the object's OBB with sides a, b:
|
|
// A = sin(t) * a + cos(t) * b
|
|
// B = cos(t) * a + sin(t) * b
|
|
let prev_scale_x = self.scale_x(gc_context);
|
|
let prev_scale_y = self.scale_y(gc_context);
|
|
let rotation = self.rotation(gc_context);
|
|
let cos = f64::abs(f64::cos(rotation));
|
|
let sin = f64::abs(f64::sin(rotation));
|
|
let new_scale_x =
|
|
(aspect_ratio * cos * prev_scale_x + sin * prev_scale_y) / (aspect_ratio * cos + sin);
|
|
let new_scale_y = aspect_ratio * (sin * target_scale_x + cos * target_scale_y)
|
|
/ ((cos + aspect_ratio * sin) * (aspect_ratio * cos + sin));
|
|
self.set_scale_x(gc_context, new_scale_x);
|
|
self.set_scale_y(gc_context, new_scale_y);
|
|
}
|
|
/// The opacity of this display object.
|
|
/// 1 is fully opaque.
|
|
/// Returned by the `_alpha`/`alpha` ActionScript properties.
|
|
fn alpha(&self) -> f64;
|
|
|
|
/// Sets the opacity of this display object.
|
|
/// 1 is fully opaque.
|
|
/// Set by the `_alpha`/`alpha` ActionScript properties.
|
|
fn set_alpha(&self, gc_context: MutationContext<'gc, '_>, value: f64);
|
|
fn name(&self) -> Ref<str>;
|
|
fn set_name(&mut self, context: MutationContext<'gc, '_>, name: &str);
|
|
|
|
/// Returns the dot-syntax path to this display object, e.g. `_level0.foo.clip`
|
|
fn path(&self) -> String {
|
|
if let Some(parent) = self.parent() {
|
|
let mut path = parent.path();
|
|
path.push_str(".");
|
|
path.push_str(&*self.name());
|
|
path
|
|
} else {
|
|
format!("_level{}", self.depth())
|
|
}
|
|
}
|
|
|
|
/// Returns the Flash 4 slash-syntax path to this display object, e.g. `/foo/clip`.
|
|
/// Returned by the `_target` property in AVM1.
|
|
fn slash_path(&self) -> String {
|
|
if let Some(parent) = self.parent() {
|
|
let mut path = parent.slash_path();
|
|
path.push_str("/");
|
|
path.push_str(&*self.name());
|
|
path
|
|
} else {
|
|
// The stage/root levels do not append their name in slash syntax.
|
|
"".to_string()
|
|
}
|
|
}
|
|
|
|
fn clip_depth(&self) -> Depth;
|
|
fn set_clip_depth(&mut self, context: MutationContext<'gc, '_>, depth: Depth);
|
|
fn parent(&self) -> Option<DisplayObject<'gc>>;
|
|
fn set_parent(&mut self, context: MutationContext<'gc, '_>, parent: Option<DisplayObject<'gc>>);
|
|
fn first_child(&self) -> Option<DisplayObject<'gc>>;
|
|
fn set_first_child(
|
|
&mut self,
|
|
context: MutationContext<'gc, '_>,
|
|
node: Option<DisplayObject<'gc>>,
|
|
);
|
|
fn prev_sibling(&self) -> Option<DisplayObject<'gc>>;
|
|
fn set_prev_sibling(
|
|
&mut self,
|
|
context: MutationContext<'gc, '_>,
|
|
node: Option<DisplayObject<'gc>>,
|
|
);
|
|
fn next_sibling(&self) -> Option<DisplayObject<'gc>>;
|
|
fn set_next_sibling(
|
|
&mut self,
|
|
context: MutationContext<'gc, '_>,
|
|
node: Option<DisplayObject<'gc>>,
|
|
);
|
|
|
|
/// Iterates over the children of this display object in execution order.
|
|
/// This is different than render order.
|
|
fn children(&self) -> ChildIter<'gc> {
|
|
ChildIter {
|
|
cur_child: self.first_child(),
|
|
}
|
|
}
|
|
|
|
/// Get a child display object by instance name.
|
|
fn get_child_by_name(&self, name: &str, case_sensitive: bool) -> Option<DisplayObject<'gc>> {
|
|
// TODO: Make a HashMap from name -> child?
|
|
use crate::string_utils::swf_string_eq_ignore_case;
|
|
if case_sensitive {
|
|
self.children().find(|child| &*child.name() == name)
|
|
} else {
|
|
self.children()
|
|
.find(|child| swf_string_eq_ignore_case(&*child.name(), name))
|
|
}
|
|
}
|
|
|
|
/// Get another level by level name.
|
|
///
|
|
/// Since levels don't have instance names, this function instead parses
|
|
/// their ID and uses that to retrieve the level.
|
|
fn get_level_by_path(
|
|
&self,
|
|
name: &str,
|
|
context: &mut UpdateContext<'_, 'gc, '_>,
|
|
case_sensitive: bool,
|
|
) -> Option<DisplayObject<'gc>> {
|
|
if let Some(slice) = name.get(0..min(name.len(), 6)) {
|
|
let is_level = if case_sensitive {
|
|
slice == "_level"
|
|
} else {
|
|
slice.eq_ignore_ascii_case("_level")
|
|
};
|
|
if is_level {
|
|
if let Some(level_id) = name.get(6..).and_then(|v| v.parse::<u32>().ok()) {
|
|
return context.levels.get(&level_id).copied();
|
|
}
|
|
}
|
|
}
|
|
|
|
None
|
|
}
|
|
fn removed(&self) -> bool;
|
|
fn set_removed(&mut self, context: MutationContext<'gc, '_>, value: bool);
|
|
|
|
/// Whether this display object is visible.
|
|
/// Invisible objects are not rendered, but otherwise continue to exist normally.
|
|
/// Returned by the `_visible`/`visible` ActionScript properties.
|
|
fn visible(&self) -> bool;
|
|
|
|
/// Sets whether this display object will be visible.
|
|
/// Invisible objects are not rendered, but otherwise continue to exist normally.
|
|
/// Returned by the `_visible`/`visible` ActionScript properties.
|
|
fn set_visible(&mut self, context: MutationContext<'gc, '_>, value: bool);
|
|
|
|
/// Whether this display object has been transformed by ActionScript.
|
|
/// When this flag is set, changes from SWF `PlaceObject` tags are ignored.
|
|
fn transformed_by_script(&self) -> bool;
|
|
|
|
/// Sets whether this display object has been transformed by ActionScript.
|
|
/// When this flag is set, changes from SWF `PlaceObject` tags are ignored.
|
|
fn set_transformed_by_script(&self, context: MutationContext<'gc, '_>, value: bool);
|
|
|
|
/// Executes and propagates the given clip event.
|
|
/// Events execute inside-out; the deepest child will react first, followed by its parent, and
|
|
/// so forth.
|
|
fn handle_clip_event(
|
|
&self,
|
|
_avm: &mut Avm1<'gc>,
|
|
_context: &mut UpdateContext<'_, 'gc, '_>,
|
|
_event: ClipEvent,
|
|
) -> ClipEventResult {
|
|
ClipEventResult::NotHandled
|
|
}
|
|
|
|
fn run_frame(&mut self, _avm: &mut Avm1<'gc>, _context: &mut UpdateContext<'_, 'gc, '_>) {}
|
|
fn render(&self, _context: &mut RenderContext<'_, 'gc>) {}
|
|
|
|
fn unload(&mut self, context: &mut UpdateContext<'_, 'gc, '_>) {
|
|
// Unload children.
|
|
for mut child in self.children() {
|
|
child.unload(context);
|
|
}
|
|
|
|
// Unregister any text field variable bindings, and replace them on the unbound list.
|
|
if let Value::Object(object) = self.object() {
|
|
if let Some(stage_object) = object.as_stage_object() {
|
|
stage_object.unregister_text_field_bindings(context);
|
|
}
|
|
}
|
|
|
|
self.set_removed(context.gc_context, true);
|
|
}
|
|
|
|
fn as_button(&self) -> Option<Button<'gc>> {
|
|
None
|
|
}
|
|
fn as_movie_clip(&self) -> Option<MovieClip<'gc>> {
|
|
None
|
|
}
|
|
fn as_edit_text(&self) -> Option<EditText<'gc>> {
|
|
None
|
|
}
|
|
fn as_morph_shape(&self) -> Option<MorphShape<'gc>> {
|
|
None
|
|
}
|
|
fn apply_place_object(
|
|
&mut self,
|
|
gc_context: MutationContext<'gc, '_>,
|
|
place_object: &swf::PlaceObject,
|
|
) {
|
|
// PlaceObject tags only apply if this onject has not been dynamically moved by AS code.
|
|
if !self.transformed_by_script() {
|
|
if let Some(matrix) = &place_object.matrix {
|
|
self.set_matrix(gc_context, &matrix);
|
|
}
|
|
if let Some(color_transform) = &place_object.color_transform {
|
|
self.set_color_transform(gc_context, &color_transform.clone().into());
|
|
}
|
|
if let Some(name) = &place_object.name {
|
|
self.set_name(gc_context, name);
|
|
}
|
|
if let Some(clip_depth) = place_object.clip_depth {
|
|
self.set_clip_depth(gc_context, clip_depth.into());
|
|
}
|
|
if let Some(ratio) = place_object.ratio {
|
|
if let Some(mut morph_shape) = self.as_morph_shape() {
|
|
morph_shape.set_ratio(gc_context, ratio);
|
|
}
|
|
}
|
|
// Clip events only apply to movie clips.
|
|
if let Some(clip) = self.as_movie_clip() {
|
|
// Convert from `swf::ClipAction` to Ruffle's `ClipAction`.
|
|
use crate::display_object::movie_clip::ClipAction;
|
|
clip.set_clip_actions(
|
|
gc_context,
|
|
place_object
|
|
.clip_actions
|
|
.iter()
|
|
.cloned()
|
|
.map(|a| ClipAction::from_action_and_movie(a, clip.movie().unwrap()))
|
|
.flatten()
|
|
.collect(),
|
|
);
|
|
}
|
|
// TODO: Others will go here eventually.
|
|
}
|
|
}
|
|
|
|
fn copy_display_properties_from(
|
|
&mut self,
|
|
gc_context: MutationContext<'gc, '_>,
|
|
other: DisplayObject<'gc>,
|
|
) {
|
|
self.set_matrix(gc_context, &*other.matrix());
|
|
self.set_color_transform(gc_context, &*other.color_transform());
|
|
self.set_clip_depth(gc_context, other.clip_depth());
|
|
self.set_name(gc_context, &*other.name());
|
|
if let (Some(mut me), Some(other)) = (self.as_morph_shape(), other.as_morph_shape()) {
|
|
me.set_ratio(gc_context, other.ratio());
|
|
}
|
|
// onEnterFrame actions only apply to movie clips.
|
|
if let (Some(me), Some(other)) = (self.as_movie_clip(), other.as_movie_clip()) {
|
|
me.set_clip_actions(gc_context, other.clip_actions().iter().cloned().collect());
|
|
}
|
|
// TODO: More in here eventually.
|
|
}
|
|
|
|
fn object(&self) -> Value<'gc> {
|
|
Value::Undefined // todo: impl for every type and delete this fallback
|
|
}
|
|
|
|
/// Tests if a given stage position point intersects with the world bounds of this object.
|
|
fn hit_test(&self, _pos: (Twips, Twips)) -> bool {
|
|
false
|
|
}
|
|
|
|
fn mouse_pick(
|
|
&self,
|
|
_avm: &mut Avm1<'gc>,
|
|
_context: &mut UpdateContext<'_, 'gc, '_>,
|
|
_self_node: DisplayObject<'gc>,
|
|
_pos: (Twips, Twips),
|
|
) -> Option<DisplayObject<'gc>> {
|
|
None
|
|
}
|
|
|
|
fn post_instantiation(
|
|
&mut self,
|
|
_avm: &mut Avm1<'gc>,
|
|
_context: &mut UpdateContext<'_, 'gc, '_>,
|
|
_display_object: DisplayObject<'gc>,
|
|
_init_object: Option<Object<'gc>>,
|
|
_instantiated_from_avm: bool,
|
|
) {
|
|
}
|
|
|
|
/// Return the version of the SWF that created this movie clip.
|
|
fn swf_version(&self) -> u8 {
|
|
self.parent()
|
|
.map(|p| p.swf_version())
|
|
.unwrap_or(NEWEST_PLAYER_VERSION)
|
|
}
|
|
|
|
/// Return the SWF that defines this display object.
|
|
fn movie(&self) -> Option<Arc<SwfMovie>> {
|
|
self.parent().and_then(|p| p.movie())
|
|
}
|
|
|
|
fn instantiate(&self, gc_context: MutationContext<'gc, '_>) -> DisplayObject<'gc>;
|
|
fn as_ptr(&self) -> *const DisplayObjectPtr;
|
|
|
|
/// Whether this object can be used as a mask.
|
|
/// If this returns false and this object is used as a mask, the mask will not be applied.
|
|
/// This is used by movie clips to disable the mask when there are no children, for example.
|
|
fn allow_as_mask(&self) -> bool {
|
|
true
|
|
}
|
|
|
|
/// Obtain the top-most parent of the display tree hierarchy.
|
|
///
|
|
/// This function can panic in the rare case that a top-level display
|
|
/// object has not been post-instantiated, or that a top-level display
|
|
/// object does not implement `object`.
|
|
fn root(&self) -> DisplayObject<'gc> {
|
|
let mut parent = self.parent();
|
|
|
|
while let Some(p) = parent {
|
|
let grandparent = p.parent();
|
|
|
|
if grandparent.is_none() {
|
|
break;
|
|
}
|
|
|
|
parent = grandparent;
|
|
}
|
|
|
|
parent
|
|
.or_else(|| {
|
|
if let Value::Object(object) = self.object() {
|
|
object.as_display_object()
|
|
} else {
|
|
None
|
|
}
|
|
})
|
|
.expect("All objects must have root")
|
|
}
|
|
|
|
/// Assigns a default instance name `instanceN` to this object.
|
|
fn set_default_instance_name(&mut self, context: &mut UpdateContext<'_, 'gc, '_>) {
|
|
if self.name().is_empty() {
|
|
let name = format!("instance{}", *context.instance_counter);
|
|
self.set_name(context.gc_context, &name);
|
|
*context.instance_counter = context.instance_counter.wrapping_add(1);
|
|
}
|
|
}
|
|
|
|
fn bind_text_field_variables(
|
|
&self,
|
|
activation: &mut Activation<'_, 'gc>,
|
|
context: &mut UpdateContext<'_, 'gc, '_>,
|
|
) {
|
|
// Check all unbound text fields to see if they apply to this object.
|
|
// TODO: Replace with `Vec::drain_filter` when stable.
|
|
let mut i = 0;
|
|
let mut len = context.unbound_text_fields.len();
|
|
while i < len {
|
|
if context.unbound_text_fields[i]
|
|
.try_bind_text_field_variable(activation, context, false)
|
|
{
|
|
context.unbound_text_fields.swap_remove(i);
|
|
len -= 1;
|
|
} else {
|
|
i += 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub enum DisplayObjectPtr {}
|
|
|
|
// To use this macro: `use crate::impl_display_object_sansbounds;` or `use crate::prelude::*;`
|
|
#[macro_export]
|
|
macro_rules! impl_display_object_sansbounds {
|
|
($field:ident) => {
|
|
fn depth(&self) -> crate::prelude::Depth {
|
|
self.0.read().$field.depth()
|
|
}
|
|
fn set_depth(&self, gc_context: gc_arena::MutationContext<'gc, '_>, depth: Depth) {
|
|
self.0.write(gc_context).$field.set_depth(depth)
|
|
}
|
|
fn place_frame(&self) -> u16 {
|
|
self.0.read().$field.place_frame()
|
|
}
|
|
fn set_place_frame(&mut self, context: gc_arena::MutationContext<'gc, '_>, frame: u16) {
|
|
self.0.write(context).$field.set_place_frame(context, frame)
|
|
}
|
|
fn transform(&self) -> std::cell::Ref<crate::transform::Transform> {
|
|
std::cell::Ref::map(self.0.read(), |o| o.$field.transform())
|
|
}
|
|
fn matrix(&self) -> std::cell::Ref<swf::Matrix> {
|
|
std::cell::Ref::map(self.0.read(), |o| o.$field.matrix())
|
|
}
|
|
fn matrix_mut(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
) -> std::cell::RefMut<swf::Matrix> {
|
|
std::cell::RefMut::map(self.0.write(context), |o| o.$field.matrix_mut(context))
|
|
}
|
|
fn color_transform(&self) -> std::cell::Ref<crate::color_transform::ColorTransform> {
|
|
std::cell::Ref::map(self.0.read(), |o| o.$field.color_transform())
|
|
}
|
|
fn color_transform_mut(
|
|
&self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
) -> std::cell::RefMut<crate::color_transform::ColorTransform> {
|
|
std::cell::RefMut::map(self.0.write(context), |o| o.$field.color_transform_mut())
|
|
}
|
|
fn set_color_transform(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
color_transform: &crate::color_transform::ColorTransform,
|
|
) {
|
|
self.0
|
|
.write(context)
|
|
.$field
|
|
.set_color_transform(context, color_transform)
|
|
}
|
|
fn rotation(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>) -> f64 {
|
|
self.0.write(gc_context).$field.rotation()
|
|
}
|
|
fn set_rotation(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>, radians: f64) {
|
|
self.0.write(gc_context).$field.set_rotation(radians)
|
|
}
|
|
fn scale_x(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>) -> f64 {
|
|
self.0.write(gc_context).$field.scale_x()
|
|
}
|
|
fn set_scale_x(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>, value: f64) {
|
|
self.0.write(gc_context).$field.set_scale_x(value)
|
|
}
|
|
fn scale_y(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>) -> f64 {
|
|
self.0.write(gc_context).$field.scale_y()
|
|
}
|
|
fn set_scale_y(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>, value: f64) {
|
|
self.0.write(gc_context).$field.set_scale_y(value)
|
|
}
|
|
fn alpha(&self) -> f64 {
|
|
self.0.read().$field.alpha()
|
|
}
|
|
fn set_alpha(&self, gc_context: gc_arena::MutationContext<'gc, '_>, value: f64) {
|
|
self.0.write(gc_context).$field.set_alpha(value)
|
|
}
|
|
fn name(&self) -> std::cell::Ref<str> {
|
|
std::cell::Ref::map(self.0.read(), |o| o.$field.name())
|
|
}
|
|
fn set_name(&mut self, context: gc_arena::MutationContext<'gc, '_>, name: &str) {
|
|
self.0.write(context).$field.set_name(context, name)
|
|
}
|
|
fn clip_depth(&self) -> crate::prelude::Depth {
|
|
self.0.read().$field.clip_depth()
|
|
}
|
|
fn set_clip_depth(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
depth: crate::prelude::Depth,
|
|
) {
|
|
self.0.write(context).$field.set_clip_depth(context, depth)
|
|
}
|
|
fn parent(&self) -> Option<crate::display_object::DisplayObject<'gc>> {
|
|
self.0.read().$field.parent()
|
|
}
|
|
fn set_parent(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
parent: Option<crate::display_object::DisplayObject<'gc>>,
|
|
) {
|
|
self.0.write(context).$field.set_parent(context, parent)
|
|
}
|
|
fn first_child(&self) -> Option<DisplayObject<'gc>> {
|
|
self.0.read().$field.first_child()
|
|
}
|
|
fn set_first_child(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
node: Option<DisplayObject<'gc>>,
|
|
) {
|
|
self.0.write(context).$field.set_first_child(context, node);
|
|
}
|
|
fn prev_sibling(&self) -> Option<DisplayObject<'gc>> {
|
|
self.0.read().$field.prev_sibling()
|
|
}
|
|
fn set_prev_sibling(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
node: Option<DisplayObject<'gc>>,
|
|
) {
|
|
self.0.write(context).$field.set_prev_sibling(context, node);
|
|
}
|
|
fn next_sibling(&self) -> Option<DisplayObject<'gc>> {
|
|
self.0.read().$field.next_sibling()
|
|
}
|
|
fn set_next_sibling(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
node: Option<DisplayObject<'gc>>,
|
|
) {
|
|
self.0.write(context).$field.set_next_sibling(context, node);
|
|
}
|
|
fn removed(&self) -> bool {
|
|
self.0.read().$field.removed()
|
|
}
|
|
fn set_removed(&mut self, context: gc_arena::MutationContext<'gc, '_>, value: bool) {
|
|
self.0.write(context).$field.set_removed(value)
|
|
}
|
|
fn visible(&self) -> bool {
|
|
self.0.read().$field.visible()
|
|
}
|
|
fn set_visible(&mut self, context: gc_arena::MutationContext<'gc, '_>, value: bool) {
|
|
self.0.write(context).$field.set_visible(value);
|
|
}
|
|
fn transformed_by_script(&self) -> bool {
|
|
self.0.read().$field.transformed_by_script()
|
|
}
|
|
fn set_transformed_by_script(
|
|
&self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
value: bool,
|
|
) {
|
|
self.0
|
|
.write(context)
|
|
.$field
|
|
.set_transformed_by_script(value)
|
|
}
|
|
fn swf_version(&self) -> u8 {
|
|
self.0.read().$field.swf_version()
|
|
}
|
|
fn instantiate(
|
|
&self,
|
|
gc_context: gc_arena::MutationContext<'gc, '_>,
|
|
) -> crate::display_object::DisplayObject<'gc> {
|
|
Self(gc_arena::GcCell::allocate(
|
|
gc_context,
|
|
self.0.read().clone(),
|
|
))
|
|
.into()
|
|
}
|
|
fn as_ptr(&self) -> *const crate::display_object::DisplayObjectPtr {
|
|
self.0.as_ptr() as *const crate::display_object::DisplayObjectPtr
|
|
}
|
|
};
|
|
}
|
|
|
|
// To use this macro: `use crate::impl_display_object;` or `use crate::prelude::*;`
|
|
#[macro_export]
|
|
macro_rules! impl_display_object {
|
|
($field:ident) => {
|
|
impl_display_object_sansbounds!($field);
|
|
|
|
fn x(&self) -> f64 {
|
|
self.0.read().$field.x()
|
|
}
|
|
fn set_x(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>, value: f64) {
|
|
self.0.write(gc_context).$field.set_x(value)
|
|
}
|
|
fn y(&self) -> f64 {
|
|
self.0.read().$field.y()
|
|
}
|
|
fn set_y(&mut self, gc_context: gc_arena::MutationContext<'gc, '_>, value: f64) {
|
|
self.0.write(gc_context).$field.set_y(value)
|
|
}
|
|
fn set_matrix(
|
|
&mut self,
|
|
context: gc_arena::MutationContext<'gc, '_>,
|
|
matrix: &swf::Matrix,
|
|
) {
|
|
self.0.write(context).$field.set_matrix(context, matrix)
|
|
}
|
|
};
|
|
}
|
|
|
|
/// Renders the children of a display object, taking masking into account.
|
|
// TODO(Herschel): Move this into an IDisplayObject/IDisplayObjectContainer trait when
|
|
// we figure out inheritance
|
|
pub fn render_children<'gc>(
|
|
context: &mut RenderContext<'_, 'gc>,
|
|
children: &std::collections::BTreeMap<Depth, DisplayObject<'gc>>,
|
|
) {
|
|
let mut clip_depth = 0;
|
|
let mut clip_depth_stack = vec![];
|
|
for (&depth, &child) in children {
|
|
// Check if we need to pop off a mask.
|
|
// This must be a while loop because multiple masks can be popped
|
|
// at the same dpeth.
|
|
while clip_depth > 0 && depth >= clip_depth {
|
|
context.renderer.pop_mask();
|
|
clip_depth = clip_depth_stack.pop().unwrap();
|
|
}
|
|
if child.clip_depth() > 0 && child.allow_as_mask() {
|
|
// Push and render the mask.
|
|
clip_depth_stack.push(clip_depth);
|
|
clip_depth = child.clip_depth();
|
|
context.renderer.push_mask();
|
|
child.render(context);
|
|
context.renderer.activate_mask();
|
|
} else if child.visible() {
|
|
// Normal child.
|
|
child.render(context);
|
|
}
|
|
}
|
|
|
|
while !clip_depth_stack.is_empty() {
|
|
context.renderer.pop_mask();
|
|
clip_depth_stack.pop();
|
|
}
|
|
}
|
|
|
|
impl<'gc> DisplayObject<'gc> {
|
|
pub fn ptr_eq(a: DisplayObject<'gc>, b: DisplayObject<'gc>) -> bool {
|
|
a.as_ptr() == b.as_ptr()
|
|
}
|
|
}
|
|
|
|
/// Bit flags used by `DisplayObject`.
|
|
#[derive(Collect, EnumSetType, Debug)]
|
|
#[collect(no_drop)]
|
|
enum DisplayObjectFlags {
|
|
/// Whether this object has been removed from the display list.
|
|
/// Necessary in AVM1 to throw away queued actions from removed movie clips.
|
|
Removed,
|
|
|
|
/// If this object is visible (`_visible` property).
|
|
Visible,
|
|
|
|
/// Whether the `_xscale`, `_yscale` and `_rotation` of the object have been calculated and cached.
|
|
ScaleRotationCached,
|
|
|
|
/// Whether this object has been transformed by ActionScript.
|
|
/// When this flag is set, changes from SWF `PlaceObject` tags are ignored.
|
|
TransformedByScript,
|
|
}
|
|
|
|
pub struct ChildIter<'gc> {
|
|
cur_child: Option<DisplayObject<'gc>>,
|
|
}
|
|
|
|
impl<'gc> Iterator for ChildIter<'gc> {
|
|
type Item = DisplayObject<'gc>;
|
|
fn next(&mut self) -> Option<Self::Item> {
|
|
let cur = self.cur_child;
|
|
self.cur_child = self
|
|
.cur_child
|
|
.and_then(|display_cell| display_cell.next_sibling());
|
|
cur
|
|
}
|
|
}
|