137 lines
4.2 KiB
Rust
137 lines
4.2 KiB
Rust
use crate::player::{RenderContext, UpdateContext};
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use crate::prelude::*;
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use crate::transform::Transform;
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use gc_arena::{Collect, GcCell};
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#[derive(Clone, Collect)]
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#[collect(empty_drop)]
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pub struct DisplayObjectBase {
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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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}
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impl Default for DisplayObjectBase {
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fn default() -> Self {
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Self {
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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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}
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}
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}
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impl<'gc> DisplayObject<'gc> for DisplayObjectBase {
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fn transform(&self) -> &Transform {
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&self.transform
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}
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fn get_matrix(&self) -> &Matrix {
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&self.transform.matrix
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}
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fn set_matrix(&mut self, matrix: &Matrix) {
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self.transform.matrix = *matrix;
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}
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fn get_color_transform(&self) -> &ColorTransform {
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&self.transform.color_transform
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}
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fn set_color_transform(&mut self, color_transform: &ColorTransform) {
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self.transform.color_transform = *color_transform;
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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, name: &str) {
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self.name = name.to_string();
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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, depth: Depth) {
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self.clip_depth = depth;
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}
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fn box_clone(&self) -> Box<DisplayObject<'gc>> {
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Box::new(self.clone())
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}
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}
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pub trait DisplayObject<'gc>: 'gc + Collect {
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fn transform(&self) -> &Transform;
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fn get_matrix(&self) -> &Matrix;
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fn set_matrix(&mut self, matrix: &Matrix);
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fn get_color_transform(&self) -> &ColorTransform;
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fn set_color_transform(&mut self, color_transform: &ColorTransform);
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fn name(&self) -> &str;
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fn set_name(&mut self, name: &str);
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fn clip_depth(&self) -> Depth;
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fn set_clip_depth(&mut self, depth: Depth);
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fn preload(&mut self, _context: &mut UpdateContext<'_, 'gc, '_>) {}
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fn run_frame(&mut self, _context: &mut UpdateContext<'_, 'gc, '_>) {}
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fn run_post_frame(&mut self, _context: &mut UpdateContext<'_, 'gc, '_>) {}
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fn render(&self, _context: &mut RenderContext<'_, 'gc>) {}
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fn handle_click(&mut self, _pos: (f32, f32)) {}
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fn as_movie_clip(&self) -> Option<&crate::movie_clip::MovieClip<'gc>> {
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None
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}
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fn as_movie_clip_mut(&mut self) -> Option<&mut crate::movie_clip::MovieClip<'gc>> {
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None
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}
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fn as_morph_shape(&self) -> Option<&crate::morph_shape::MorphShape> {
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None
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}
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fn as_morph_shape_mut(&mut self) -> Option<&mut crate::morph_shape::MorphShape> {
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None
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}
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fn box_clone(&self) -> Box<DisplayObject<'gc>>;
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}
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impl<'gc> Clone for Box<DisplayObject<'gc>> {
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fn clone(&self) -> Box<DisplayObject<'gc>> {
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self.box_clone()
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}
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}
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macro_rules! impl_display_object {
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($field:ident) => {
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fn transform(&self) -> &crate::transform::Transform {
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self.$field.transform()
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}
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fn get_matrix(&self) -> &Matrix {
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self.$field.get_matrix()
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}
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fn set_matrix(&mut self, matrix: &Matrix) {
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self.$field.set_matrix(matrix)
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}
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fn get_color_transform(&self) -> &ColorTransform {
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self.$field.get_color_transform()
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}
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fn set_color_transform(&mut self, color_transform: &ColorTransform) {
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self.$field.set_color_transform(color_transform)
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}
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fn name(&self) -> &str {
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self.$field.name()
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}
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fn set_name(&mut self, name: &str) {
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self.$field.set_name(name)
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}
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fn clip_depth(&self) -> $crate::prelude::Depth {
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self.$field.clip_depth()
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}
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fn set_clip_depth(&mut self, depth: $crate::prelude::Depth) {
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self.$field.set_clip_depth(depth)
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}
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fn box_clone(&self) -> Box<$crate::display_object::DisplayObject<'gc>> {
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Box::new(self.clone())
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}
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};
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}
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/// `DisplayNode` is the garbage-collected pointer between display objects.
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/// TODO(Herschel): The extra Box here is necessary to hold the trait object inside a GC pointer,
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/// but this is an extra allocation... Can we avoid this, maybe with a DST?
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pub type DisplayNode<'gc> = GcCell<'gc, Box<dyn DisplayObject<'gc>>>;
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