nightshade 0.57.0

A cross-platform data-oriented game engine.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

//! Viewport and camera-tile render state. A leaf resource: it names only the
//! renderer's `ViewportRect` config and engine entities, so domains, plugins,
//! and the render driver can all read it without depending on the driver or
//! pulling the renderer into `nightshade-platform`.

/// The active viewport rectangle, the per-camera tile rectangles that drive
/// multi-camera tile rendering, the force-render set, and the tile-render
/// iteration counter. Read by the render driver to build the frame's view
/// inputs and written by apps that compose custom viewport layouts.
pub struct Viewport {
    pub active_viewport_rect: Option<crate::render::config::ViewportRect>,
    pub camera_tile_rects:
        std::collections::HashMap<crate::ecs::world::Entity, crate::render::config::ViewportRect>,
    pub force_render_cameras: std::collections::HashSet<crate::ecs::world::Entity>,
    pub camera_tile_render_iteration: u32,
    /// When false, the runner never creates the renderer: the event loop,
    /// window, and stages run without any GPU work. Set by app compositions
    /// that omit the render plugin. Defaults to true.
    pub create_renderer: bool,
}

impl Default for Viewport {
    fn default() -> Self {
        Self {
            active_viewport_rect: None,
            camera_tile_rects: std::collections::HashMap::new(),
            force_render_cameras: std::collections::HashSet::new(),
            camera_tile_render_iteration: 0,
            create_renderer: true,
        }
    }
}