mittens_engine/engine/ecs/component/
renderer_settings.rs

1use crate::engine::ecs::ComponentId;
2use crate::engine::ecs::component::Component;
3use crate::engine::graphics::MsaaMode;
4
5/// Global renderer settings.
6///
7/// This is intended to be a singleton-like component (the last registered wins).
8#[derive(Debug, Clone, Copy)]
9pub struct RendererSettingsComponent {
10    pub msaa4x: bool,
11    pub window_size: Option<[u32; 2]>,
12}
13
14impl RendererSettingsComponent {
15    pub fn new() -> Self {
16        Self {
17            msaa4x: true,
18            window_size: None,
19        }
20    }
21
22    pub fn msaa_off() -> Self {
23        Self {
24            msaa4x: false,
25            window_size: None,
26        }
27    }
28
29    pub fn with_window_size(mut self, width: u32, height: u32) -> Self {
30        if width > 0 && height > 0 {
31            self.window_size = Some([width, height]);
32        }
33        self
34    }
35
36    pub fn msaa_mode(&self) -> MsaaMode {
37        if self.msaa4x {
38            MsaaMode::Msaa4x
39        } else {
40            MsaaMode::Off
41        }
42    }
43}
44
45impl Default for RendererSettingsComponent {
46    fn default() -> Self {
47        Self::new()
48    }
49}
50
51impl Component for RendererSettingsComponent {
52    fn name(&self) -> &'static str {
53        "renderer_settings"
54    }
55
56    fn as_any(&self) -> &dyn std::any::Any {
57        self
58    }
59
60    fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
61        self
62    }
63
64    fn init(&mut self, emit: &mut dyn crate::engine::ecs::SignalEmitter, component: ComponentId) {
65        emit.push_intent_now(
66            component,
67            crate::engine::ecs::IntentValue::RegisterRendererSettings {
68                component_ids: vec![component],
69            },
70        );
71    }
72
73    fn to_mms_ast(
74        &self,
75        _world: &crate::engine::ecs::World,
76    ) -> crate::scripting::ast::ComponentExpression {
77        use crate::engine::ecs::component::ce_helpers::*;
78        let mut ce = if self.msaa4x {
79            ce("RendererSettings")
80        } else {
81            ce_call("RendererSettings", "msaa_off", vec![])
82        };
83        if let Some([w, h]) = self.window_size {
84            ce = ce.with_call("window_size", vec![num(w as f64), num(h as f64)]);
85        }
86        ce
87    }
88}
mittens_engine/engine/ecs/component/renderer_settings.rs

mittens_engine/engine/ecs/component/
renderer_settings.rs
