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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
pub mod camera;
pub mod render;
mod body_render;
mod orbit_render;
use std::time::Duration;
use cgmath::InnerSpace;
use winit::event::ElementState;
use winit::keyboard::KeyCode;
use crate::solar_system::SolarSystem;
use crate::solar_system::SystemId;
use crate::timeman::TimeMan;
use crate::ui;
use crate::wgpuctx::SceneCtx;
use crate::wgpuctx::WgpuCtx;
use render::*;
use body_render::*;
use orbit_render::*;
use camera::*;
pub struct TacticalMap
{
camera: Camera,
pmatrix: Projection,
camera_controller: CameraController,
system_for_render: Option<SystemId>,
body_renderer: BodyRenderer,
grid_renderer: GridRenderer,
orbit_renderer: OrbitRenderer
}
impl TacticalMap
{
pub fn new(wgpuctx: &WgpuCtx)
-> Self {
let surface_size = winit::dpi::PhysicalSize::new(
wgpuctx.surface_config().width,
wgpuctx.surface_config().height
);
let camera = Camera::new(
wgpuctx,
cgmath::Vector3::new(0.0, 0.0, 1.0),
cgmath::Deg(0.0),
cgmath::Rad(0.0));
let projection = Projection::new(
surface_size.width,
surface_size.height,
cgmath::Deg(60.0),
(0.01, 1000.0));
Self {
camera: camera,
pmatrix: projection,
camera_controller: CameraController::new(),
system_for_render: None,
body_renderer: BodyRenderer::new(wgpuctx),
grid_renderer: GridRenderer::new(wgpuctx),
orbit_renderer: OrbitRenderer::new(wgpuctx),
}
}
pub fn resize(
&mut self,
width: u32,
height: u32)
{
self.pmatrix.resize(width, height);
}
pub fn update(
&mut self,
solar_system: &SolarSystem,
ui_state: &mut ui::State,
dt: Duration)
{
ui_state.camera_info.camera_scale = self.camera.get_scale();
ui_state.camera_info.camera_pos = Some(self.camera.get_abs_position());
ui_state.camera_info.camera_rot = Some(self.camera.get_rotation());
self.camera.set_target(ui_state.camera_info.target);
self.camera_controller.update(&mut self.camera, solar_system, ui_state, dt);
}
pub fn keyboard_input(
&mut self,
key_code: KeyCode,
key_state: ElementState)
{
self.camera_controller.keyboard_input(key_code, key_state);
}
pub fn draw(
&mut self,
wgpuctx: &WgpuCtx,
solar_system: &SolarSystem,
timeman: &TimeMan,
) -> Result<(), wgpu::SurfaceError>
{
self.camera.update_buffer(wgpuctx, &self.pmatrix);
if self.system_for_render.is_none()
|| self.system_for_render.unwrap() != solar_system.id() {
self.body_renderer.mark_to_rebuild();
self.orbit_renderer.mark_to_rebuild();
}
self.system_for_render = Some(solar_system.id());
//Update buffers for the current system and time.
self.body_renderer.rebuild(wgpuctx, solar_system);
self.orbit_renderer.rebuild(wgpuctx, solar_system);
match self.orbit_renderer.update(wgpuctx, solar_system, timeman.seconds())
{
Ok(()) => {},
Err(e) => println!("Tactical map orbit render update error: {}", e)
}
match self.body_renderer.update(
wgpuctx, solar_system, timeman.seconds())
{
Ok(()) => {},
Err(e) => println!("Tactical map body render update error: {}", e)
}
Ok(())
}
pub fn prepare(
&self,
scene: &mut SceneCtx)
{
self.camera.stage_changes(scene.encoder_mut());
}
pub fn paint(
&self,
pass: &mut wgpu::RenderPass<'_>)
{
self.grid_renderer.render( pass, &self.camera);
self.orbit_renderer.render(pass, &self.camera);
self.body_renderer.render( pass, &self.camera);
}
pub fn paint_labels(
&self,
solar_system: &SolarSystem,
screen_size: egui::Vec2,
ui: &mut egui::Ui)
{
let view_matrix = self.camera.view_matrix();
let proj_matrix = self.pmatrix.projection_matrix();
let pv_matrix = proj_matrix * view_matrix;
//Paint body labels
let bodies = solar_system.bodies();
bodies.iter().for_each(|body| {
let scaled_radius = (screen_size.y * body.radius() * self.camera.get_scale()).max(16.0);
let world_pos = solar_system.body_position(body);
let local_pos = world_pos - self.camera.get_abs_position();
let origin_pos = match body.get_orbit() {
Some(orbit) => {
solar_system.body_position(&bodies[orbit.parent()])
},
None => cgmath::vec3(0.0, 0.0, 0.0)
};
let origin_local_pos = origin_pos - self.camera.get_abs_position();
let scaled_pos = local_pos * self.camera.get_scale() as f64;
let scaled_origin_pos = origin_local_pos * self.camera.get_scale() as f64;
let clip_pos = pv_matrix * scaled_pos.map(|v| { v as f32 }).extend(1.0);
let origin_clip_pos = pv_matrix * scaled_origin_pos.map(|v| { v as f32 }).extend(1.0);
let ndc_pos = clip_pos.truncate() / clip_pos.w;
let origin_ndc_pos = origin_clip_pos.truncate() / origin_clip_pos.w;
if (ndc_pos - origin_ndc_pos).magnitude() < 0.05 {
if ndc_pos != origin_ndc_pos {
return;
}
}
let screen_pos = egui::pos2(
((ndc_pos.x + 1.0) * 0.5) * screen_size.x,
(((-ndc_pos.y + 1.0) * 0.5) * screen_size.y) + (scaled_radius / clip_pos.w).max(16.0));
if clip_pos.z < 0.0 { return; }
ui.put(
egui::Rect::from_pos(screen_pos).expand(64.0),
egui::Label::new(
egui::RichText::new(body.name())
.color(egui::Color32::WHITE)
).selectable(false).sense(egui::Sense::empty()));
});
}
} // impl SystemViewport
|
