doppler/src/example_client.rs

251 lines
9.2 KiB
Rust

use crate::gaia::assets_cache::AssetsCache;
use crate::gaia::camera::*;
use crate::gaia::client::Client;
use crate::gaia::components::{ModelComponent, Transform};
use crate::gaia::consts;
use crate::gaia::engine::Engine;
use crate::gaia::light::*;
use crate::gaia::sky::Sky;
use crate::gaia::*;
use cgmath::prelude::*;
use cgmath::{perspective, vec3, Deg, Matrix4, Point3, Vector3};
use imgui_glfw_rs::glfw;
pub struct ExampleClient {
models: Vec<ModelComponent>,
camera: Camera,
lighting_system: LightingSystem,
sky: Sky,
show_object_info: bool,
show_camera_info: bool,
object_info_id: i32,
show_light_info: bool,
light_info_id: i32,
}
impl ExampleClient {
pub fn create(_window: &glfw::Window) -> ExampleClient {
let sky = unsafe { Sky::new() };
ExampleClient {
object_info_id: 0,
show_camera_info: true,
show_object_info: false,
models: vec![],
camera: Camera {
position: Point3::new(0.0, 8.0, 13.0),
front: vec3(0.0, -0.4, -1.0),
up: vec3(0.0, 1.0, -0.4),
right: vec3(1.0, 0.0, 0.0),
yaw: -90.0,
pitch: -20.0,
..Camera::default()
},
lighting_system: LightingSystem::default(),
sky: sky,
show_light_info: false,
light_info_id: 0,
}
}
}
impl Client for ExampleClient {
fn load_assets(&mut self, cache: &mut AssetsCache) {
let ground = ModelComponent {
transform: Transform {
scale: vec3(0.5, 0.5, 0.5),
..Transform::default()
},
model: cache.get_model("resources/objects/ground/ground.obj"),
};
let robot = ModelComponent {
transform: Transform::default(),
model: cache.get_model("resources/objects/robot/robot.obj"),
};
let tree = ModelComponent {
transform: Transform {
position: vec3(10.0, 0.0, 26.0),
scale: vec3(2.5, 2.5, 2.5),
..Transform::default()
},
model: cache.get_model_ext("resources/objects/tree/tree_6_d.obj", Some("tree_e.png")),
};
let tree2 = ModelComponent {
transform: Transform {
position: vec3(-9.0, 0.0, -15.0),
scale: vec3(2.5, 2.5, 2.5),
..Transform::default()
},
model: cache.get_model_ext("resources/objects/tree/tree_6_c.obj", Some("tree_e.png")),
};
let tree3 = ModelComponent {
transform: Transform {
position: vec3(15.0, 0.0, -7.0),
scale: vec3(2.5, 2.5, 2.5),
..Transform::default()
},
model: cache.get_model_ext("resources/objects/tree/tree_6_c.obj", Some("tree_e.png")),
};
let ruins = ModelComponent {
transform: Transform::default(),
model: cache.get_model("resources/objects/ruins/ruins.obj"),
};
self.models = vec![tree, tree2, tree3, ground, robot, ruins];
}
unsafe fn draw(&mut self) {
// view/projection transformations
let projection: Matrix4<f32> = perspective(
Deg(self.camera.zoom),
consts::SCR_WIDTH as f32 / consts::SCR_HEIGHT as f32,
0.1,
1000.0,
);
let view = self.camera.get_view_matrix();
let view_pos = self.camera.position.to_vec();
self.lighting_system
.prepare_for_draw(&projection, &view, &view_pos);
for model in self.models.iter() {
model.draw(&self.lighting_system.shader);
}
self.sky.draw(view, projection);
}
fn update(&mut self, _engine: &mut Engine) {}
fn process_input(&mut self, window: &glfw::Window, delta: f32) {
use imgui_glfw_rs::glfw::{Action, Key};
if window.get_key(Key::W) == Action::Press {
self.camera.process_keyboard(CameraMovement::FORWARD, delta);
}
if window.get_key(Key::S) == Action::Press {
self.camera
.process_keyboard(CameraMovement::BACKWARD, delta);
}
if window.get_key(Key::A) == Action::Press {
self.camera.process_keyboard(CameraMovement::LEFT, delta);
}
if window.get_key(Key::D) == Action::Press {
self.camera.process_keyboard(CameraMovement::RIGHT, delta);
}
self.camera
.enable_mouse_movement(window.get_key(Key::LeftControl) != Action::Press);
if window.get_key(Key::O) == Action::Press {
println!("{:?}", self.camera);
}
}
fn debug_draw(&mut self, ui: &imgui_glfw_rs::imgui::Ui) {
use imgui_glfw_rs::imgui::*;
use imgui_inspect::InspectArgsStruct;
if let Some(menu_bar) = ui.begin_main_menu_bar() {
if let Some(menu) = ui.begin_menu(im_str!("Basic"), true) {
if MenuItem::new(im_str!("Show Object info"))
.selected(self.show_object_info)
.build(ui)
{
self.show_object_info = !self.show_object_info;
}
if MenuItem::new(im_str!("Show lights info"))
.selected(self.show_light_info)
.build(ui)
{
self.show_light_info = !self.show_light_info;
}
if MenuItem::new(im_str!("Show camera info"))
.selected(self.show_camera_info)
.build(ui)
{
self.show_camera_info = !self.show_camera_info;
}
menu.end(ui);
}
menu_bar.end(ui);
}
if self.show_camera_info {
let text = format!("{:?}", self.camera)
.replace("{", "{\n")
.replace("}", "\n}")
.replace("],", "],\n");
Window::new(im_str!("CameraInfo"))
.size([300.0, 300.0], Condition::Always)
.position([50.0, 50.0], Condition::Always)
.title_bar(false)
.scroll_bar(false)
.collapsible(false)
.build(&ui, || {
ui.text(im_str!("Camera info"));
ui.separator();
ui.text(text);
});
}
if self.show_object_info {
let mut id = self.object_info_id;
let max: i32 = self.models.len() as i32 - 1;
let mut show_window = self.show_object_info;
Window::new(im_str!("Object info"))
.size([250.0, 250.0], Condition::FirstUseEver)
.opened(&mut show_window)
.build(&ui, || {
ui.drag_int(im_str!("id"), &mut id).min(0).max(max).build();
let mut selected_mut = vec![&mut self.models[id as usize].transform];
<Transform as imgui_inspect::InspectRenderStruct<Transform>>::render_mut(
&mut selected_mut,
"Object info",
&ui,
&InspectArgsStruct::default(),
);
});
self.object_info_id = id;
self.show_object_info = show_window;
}
if self.show_light_info {
let mut id = self.light_info_id;
let max: i32 = self.lighting_system.point_lights.len() as i32 - 1;
let mut show_window = self.show_light_info;
Window::new(im_str!("Lights info"))
.size([250.0, 250.0], Condition::FirstUseEver)
.opened(&mut show_window)
.build(&ui, || {
{
let mut selected_mut = vec![&mut self.lighting_system.directional_light];
<DirectionalLight as imgui_inspect::InspectRenderStruct<
DirectionalLight,
>>::render_mut(
&mut selected_mut,
"DirectionalLightInfo",
&ui,
&InspectArgsStruct::default(),
);
}
ui.separator();
ui.drag_int(im_str!("Light ID"), &mut id)
.min(0)
.max(max)
.build();
{
let mut selected_mut =
vec![&mut self.lighting_system.point_lights[id as usize]];
<PointLight as imgui_inspect::InspectRenderStruct<PointLight>>::render_mut(
&mut selected_mut,
"PointLightInfo",
&ui,
&InspectArgsStruct::default(),
);
}
});
self.light_info_id = id;
self.show_light_info = show_window;
}
}
fn on_mouse_scroll(&mut self, yoffset: f32) {
self.camera.process_mouse_scroll(yoffset as f32);
}
fn on_mouse_move(&mut self, x: f32, y: f32) {
self.camera.process_mouse_movement(x, y, true);
}
}