nightshade 0.10.0

A cross-platform data-oriented game engine.
Documentation 
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use nalgebra_glm::{Vec2, Vec4};

use crate::ecs::text::components::{TextAlignment, VerticalAlignment};
use crate::ecs::ui::layout_types::{FlowLayout, GridLayout, UiLayoutType};
use crate::ecs::ui::state::{STATE_COUNT, UiBase, UiStateTrait};
use crate::ecs::ui::types::Rect;
use crate::ecs::ui::units::UiValue;
use crate::render::wgpu::passes::geometry::UiLayer;

use super::{AutoSizeMode, TextOverflow, UiDepthMode};

#[derive(Clone, Debug)]
pub struct UiLayoutNode {
    pub layouts: Vec<Option<UiLayoutType>>,
    pub flow_layout: Option<FlowLayout>,
    pub responsive_flow: Option<crate::ecs::ui::layout_types::ResponsiveFlowOverride>,
    pub grid_layout: Option<GridLayout>,
    pub depth: UiDepthMode,
    pub font_size: Option<f32>,
    pub clip_content: bool,
    pub pointer_events: bool,
    pub visible: bool,
    pub flow_child_size: Option<UiValue<Vec2>>,
    pub flex_grow: Option<f32>,
    pub flex_shrink: Option<f32>,
    pub min_size: Option<Vec2>,
    pub max_size: Option<Vec2>,
    pub z_index: Option<i32>,
    pub auto_size: AutoSizeMode,
    pub auto_size_padding: Vec2,
    pub computed_rect: Rect,
    pub computed_depth: f32,
    pub computed_clip_rect: Option<Rect>,
    pub layer: Option<UiLayer>,
    pub computed_layer: Option<UiLayer>,
    pub animation: Option<UiNodeAnimation>,
}

impl Default for UiLayoutNode {
    fn default() -> Self {
        Self {
            layouts: vec![None; STATE_COUNT],
            flow_layout: None,
            responsive_flow: None,
            grid_layout: None,
            depth: UiDepthMode::default(),
            font_size: None,
            clip_content: false,
            pointer_events: true,
            visible: true,
            flow_child_size: None,
            flex_grow: None,
            flex_shrink: None,
            min_size: None,
            max_size: None,
            z_index: None,
            auto_size: AutoSizeMode::None,
            auto_size_padding: Vec2::new(0.0, 0.0),
            computed_rect: Rect::default(),
            computed_depth: 0.0,
            computed_clip_rect: None,
            layer: None,
            computed_layer: None,
            animation: None,
        }
    }
}

impl UiLayoutNode {
    pub fn base_layout(&self) -> Option<&UiLayoutType> {
        self.layouts[UiBase::INDEX].as_ref()
    }

    pub fn ensure_state_capacity(&mut self, count: usize) {
        if self.layouts.len() < count {
            self.layouts.resize(count, None);
        }
    }
}

#[derive(Clone, Debug)]
pub struct UiNodeColor {
    pub colors: Vec<Option<Vec4>>,
    pub computed_color: Vec4,
}

impl Default for UiNodeColor {
    fn default() -> Self {
        Self {
            colors: vec![None; STATE_COUNT],
            computed_color: Vec4::new(1.0, 1.0, 1.0, 1.0),
        }
    }
}

impl UiNodeColor {
    pub fn ensure_state_capacity(&mut self, count: usize) {
        if self.colors.len() < count {
            self.colors.resize(count, None);
        }
    }
}

#[derive(Clone, Copy, Debug)]
pub enum UiNodeContent {
    None,
    Rect {
        corner_radius: f32,
        border_width: f32,
        border_color: Vec4,
    },
    Text {
        text_slot: usize,
        font_index: usize,
        font_size_override: Option<f32>,
        outline_color: Vec4,
        outline_width: f32,
        alignment: TextAlignment,
        vertical_alignment: VerticalAlignment,
        overflow: TextOverflow,
    },
    Image {
        texture_index: u32,
        uv_min: Vec2,
        uv_max: Vec2,
    },
}

impl Default for UiNodeContent {
    fn default() -> Self {
        Self::None
    }
}

#[derive(Clone, Copy, Debug, PartialEq)]
pub enum UiAnimationType {
    Fade,
    SlideLeft,
    SlideRight,
    SlideUp,
    SlideDown,
    Scale,
}

#[derive(Clone, Copy, Debug, PartialEq)]
pub enum UiAnimationPhase {
    Idle,
    IntroPlaying,
    OutroPlaying,
    OutroComplete,
}

#[derive(Clone, Copy, Debug)]
pub struct UiNodeAnimation {
    pub intro: Option<UiAnimationType>,
    pub outro: Option<UiAnimationType>,
    pub duration: f32,
    pub progress: f32,
    pub phase: UiAnimationPhase,
}