byte-engine 0.1.0

A composable Rust game engine focused on graphics, input, audio, physics, and retained UI.
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use super::super::{
	flow::{self, FlowFunction},
	layout::{Depth, Position, Sizing},
};
use crate::ui::{
	flow::{FlowInput, FlowOutput},
	style::ConcreteStyle,
	Transform, Visual,
};

pub struct Container {
	min_width: Option<Sizing>,
	min_height: Option<Sizing>,
	pub width: Sizing,
	pub height: Sizing,
	pub corner_radius: f32,
	pub corner_exponent: f32,
	max_width: Option<Sizing>,
	max_height: Option<Sizing>,
	pub depth: Depth,
	pub position: Position,
	pub clip: bool,
	pub flow: utils::InlineCopyFn<fn(FlowInput) -> FlowOutput>,
	pub(crate) style: ConcreteStyle,
	pub(crate) transform: Transform,
	pub(crate) visual: Visual,
}

impl Container {
	pub fn size(self, sizing: Sizing) -> Self {
		Self {
			width: sizing,
			height: sizing,
			..self
		}
	}

	pub fn width(self, width: Sizing) -> Self {
		Self { width, ..self }
	}

	pub fn height(self, height: Sizing) -> Self {
		Self { height, ..self }
	}

	pub fn corner_radius(self, corner_radius: f32) -> Self {
		Self { corner_radius, ..self }
	}

	pub fn corner_exponent(self, corner_exponent: f32) -> Self {
		Self { corner_exponent, ..self }
	}

	pub fn min_width(self, min_width: Sizing) -> Self {
		Self {
			min_width: Some(min_width),
			..self
		}
	}

	pub fn min_height(self, min_height: Sizing) -> Self {
		Self {
			min_height: Some(min_height),
			..self
		}
	}

	pub fn max_width(self, max_width: Sizing) -> Self {
		Self {
			max_width: Some(max_width),
			..self
		}
	}

	pub fn max_height(self, max_height: Sizing) -> Self {
		Self {
			max_height: Some(max_height),
			..self
		}
	}

	pub fn depth(self, depth: impl Into<Depth>) -> Self {
		Self {
			depth: depth.into(),
			..self
		}
	}

	pub fn position(self, position: impl Into<Position>) -> Self {
		Self {
			position: position.into(),
			..self
		}
	}

	pub fn absolute_position(self, x: impl Into<f64>, y: impl Into<f64>) -> Self {
		self.position(Position::absolute(x, y))
	}

	pub fn clip(self, enabled: bool) -> Self {
		Self { clip: enabled, ..self }
	}

	pub fn flow(self, flow: impl FlowFunction + 'static) -> Self {
		Self {
			flow: utils::InlineCopyFn::<fn(FlowInput) -> FlowOutput>::new(flow),
			..self
		}
	}

	pub fn style(self, style: impl Into<ConcreteStyle>) -> Self {
		Self {
			style: style.into(),
			..self
		}
	}

	pub fn transform(self, transform: impl Into<Transform>) -> Self {
		Self {
			transform: transform.into(),
			..self
		}
	}

	pub fn opacity(self, opacity: f32) -> Self {
		Self {
			visual: Visual::opacity(opacity),
			..self
		}
	}

	pub fn set_style(&mut self, style: impl Into<ConcreteStyle>) {
		self.style = style.into();
	}

	pub fn set_transform(&mut self, transform: impl Into<Transform>) {
		self.transform = transform.into();
	}

	pub fn set_position(&mut self, position: impl Into<Position>) {
		self.position = position.into();
	}

	pub fn set_clip(&mut self, enabled: bool) {
		self.clip = enabled;
	}

	pub fn set_opacity(&mut self, opacity: f32) {
		self.visual.opacity = opacity;
	}

	pub fn set_corner_exponent(&mut self, corner_exponent: f32) {
		self.corner_exponent = corner_exponent;
	}

	pub fn style_ref(&self) -> &ConcreteStyle {
		&self.style
	}

	pub fn transform_ref(&self) -> &Transform {
		&self.transform
	}

	pub fn visual_ref(&self) -> &Visual {
		&self.visual
	}
}

impl Default for Container {
	fn default() -> Self {
		Self {
			width: Sizing::full(),
			height: Sizing::full(),
			corner_radius: 0.0,
			corner_exponent: 2.0,
			min_width: None,
			min_height: None,
			max_width: None,
			max_height: None,
			depth: Depth::default(),
			position: Position::default(),
			clip: true,
			flow: utils::InlineCopyFn::<fn(FlowInput) -> FlowOutput>::new(flow::grid),
			style: ConcreteStyle::default(),
			transform: Transform::default(),
			visual: Visual::default(),
		}
	}
}