hodasemi/rFactor2_vk_hud
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Start implementing radar data backend

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This commit is contained in:
hodasemi 2023-01-14 20:15:43 +01:00
parent 43a36c0b75
commit 88ba6d5e13
6 changed files with 330 additions and 197 deletions
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11
.vscode/tasks.json vendored
View file

@ -9,6 +9,15 @@
],
"group": "build",
"label": "rust: cargo build"
}
},
{
"type": "shell",
"command": "steam steam://rungameid/365960",
"group": "build",
"label": "Run rFactor2",
"dependsOn": [
"rust: cargo build"
]
},
]
}

2
src/enums.rs
View file

@ -64,8 +64,6 @@ create_functions_enum!(
[CreateDevice, create_device],
[DestroyDevice, destroy_device],
[CreateSwapchainKHR, create_swapchain],
[QueueSubmit, submit_queue],
[GetDeviceQueue, get_device_queue],
[AcquireNextImageKHR, acquire_next_image],
[QueuePresentKHR, present_queue],
);

210
src/lib.rs
View file

@ -19,19 +19,43 @@ use structs::*;
use vk_handles::*;
use vulkan_rs::prelude::*;
static mut LOG_ENABLED: bool = true;
static mut LOG_FILE: String = String::new();
static mut OVERLAY: Overlay = Overlay::new();
static mut QUEUE_SUBMIT: PFN_vkQueueSubmit =
unsafe { mem::transmute(vkVoidFunction as *const c_void) };
static mut ACQUIRE_NEXT_IMAGE: PFN_vkAcquireNextImageKHR =
unsafe { mem::transmute(vkVoidFunction as *const c_void) };
pub(crate) fn logging() -> bool {
unsafe { LOG_ENABLED }
}
macro_rules! write_log {
($msg:expr) => {
if crate::logging() {
crate::log($msg);
}
};
}
pub(crate) use write_log;
#[no_mangle]
#[allow(non_snake_case)]
pub(crate) extern "C" fn vkNegotiateLoaderLayerInterfaceVersion(
pVersionStruct: *mut VkNegotiateLayerInterface,
) -> VkResult {
let log_enabled = match std::env::var("RFACTOR_HUD_LOG") {
Ok(var) => {
let i: u32 = var.parse().unwrap_or(0);
i == 1
}
Err(_) => false,
};
unsafe { LOG_ENABLED = log_enabled };
if logging() {
let home = std::env::var("HOME").unwrap();
unsafe {
LOG_FILE = format!("{}/rf2_vk_hud.log", home);
@ -39,9 +63,10 @@ pub(crate) extern "C" fn vkNegotiateLoaderLayerInterfaceVersion(
if let Err(_) = File::create(unsafe { &LOG_FILE }) {}
write_log(" ==================================================================");
write_log(" ======================= New Negotiation ==========================");
write_log(" ==================================================================");
write_log!(" ==================================================================");
write_log!(" ======================= New Negotiation ==========================");
write_log!(" ==================================================================");
}
unsafe {
*pVersionStruct = VkNegotiateLayerInterface {
@ -57,7 +82,7 @@ pub(crate) extern "C" fn vkNegotiateLoaderLayerInterfaceVersion(
set_vk_handles(match VkTypedefHandles::new() {
Ok(handles) => handles,
Err(err) => {
write_log(format!("failed to load typedef handles {:?}", err));
write_log!(format!("failed to load typedef handles {:?}", err));
return VK_ERROR_INITIALIZATION_FAILED;
}
});
@ -73,7 +98,7 @@ extern "system" fn get_device_proc_addr(
let func_string = match VkString::try_from(function_name) {
Ok(func) => func,
Err(_) => {
write_log("Err: failed creating string");
write_log!("Err: failed creating string");
return Functions::Null.convert();
}
};
@ -99,7 +124,7 @@ extern "system" fn get_instance_proc_addr(
let func_string = match VkString::try_from(function_name) {
Ok(func) => func,
Err(_) => {
write_log("Err: failed creating string");
write_log!("Err: failed creating string");
return Functions::Null.convert();
}
};
@ -122,7 +147,7 @@ pub(crate) extern "system" fn create_instance(
allocator: *const VkAllocationCallbacks,
instance: *mut VkInstance,
) -> VkResult {
write_log(" ================== vulkan layer create instance ==================");
write_log!(" ================== vulkan layer create instance ==================");
let chain_info = match VkLayerInstanceCreateInfo::get_chain_info(
unsafe { &*create_info },
@ -130,7 +155,7 @@ pub(crate) extern "system" fn create_instance(
) {
Some(info) => info,
None => {
write_log("instance chain info not found.");
write_log!("instance chain info not found.");
return VK_ERROR_LAYER_NOT_PRESENT;
}
};
@ -151,11 +176,11 @@ pub(crate) extern "system" fn create_instance(
vk_handles_mut().load_instance_functions(unsafe { *instance }, proc_addr);
write_log("-> successfully created instance.");
write_log!("-> successfully created instance.");
let ext_names = unsafe { (*create_info).extension_names() };
write_log(format!("{:?}", ext_names));
write_log!(format!("{:?}", ext_names));
// DXVK workaround, it creates the instance twice with different properties
if ext_names.contains(&VkString::new("VK_KHR_surface")) {
@ -168,7 +193,7 @@ pub(crate) extern "system" fn create_instance(
) {
Ok(ins) => ins,
Err(err) => {
write_log(format!("-> local instance creation failed: {:?}", err));
write_log!(format!("-> local instance creation failed: {:?}", err));
return VK_ERROR_INITIALIZATION_FAILED;
}
};
@ -176,7 +201,7 @@ pub(crate) extern "system" fn create_instance(
OVERLAY.set_instance(ins);
}
write_log("-> created local instance handle");
write_log!("-> created local instance handle");
}
VK_SUCCESS
@ -186,7 +211,7 @@ pub(crate) extern "system" fn destroy_instance(
instance: VkInstance,
allocator: *const VkAllocationCallbacks,
) {
write_log(" ================== vulkan layer destroy instance ==================");
write_log!(" ================== vulkan layer destroy instance ==================");
unsafe {
if let Some(vk_fn) = vk_handles().handle("vkDestroyInstance") {
@ -203,14 +228,14 @@ pub(crate) extern "system" fn create_device(
allocator: *const VkAllocationCallbacks,
device: *mut VkDevice,
) -> VkResult {
write_log(" ================== vulkan layer create device ==================");
write_log!(" ================== vulkan layer create device ==================");
let chain_info =
match VkLayerDeviceCreateInfo::get_chain_info(unsafe { &*create_info }, VK_LAYER_LINK_INFO)
{
Some(info) => info,
None => {
write_log("device chain info not found.");
write_log!("device chain info not found.");
return VK_ERROR_LAYER_NOT_PRESENT;
}
};
@ -226,7 +251,7 @@ pub(crate) extern "system" fn create_device(
create_device(physical_device, create_info, allocator, device)
}
None => {
write_log("failed creating device");
write_log!("failed creating device");
return VK_ERROR_INITIALIZATION_FAILED;
}
}
@ -238,18 +263,10 @@ pub(crate) extern "system" fn create_device(
vk_handles_mut().load_device_functions(unsafe { *device }, proc_addr);
unsafe {
QUEUE_SUBMIT = match vk_handles().handle("vkQueueSubmit") {
Some(submit) => mem::transmute(submit),
None => {
write_log("failed querying vkQueueSubmit");
return VK_ERROR_INITIALIZATION_FAILED;
}
};
ACQUIRE_NEXT_IMAGE = match vk_handles().handle("vkAcquireNextImageKHR") {
Some(acquire_next_image) => mem::transmute(acquire_next_image),
None => {
write_log("failed querying vkAcquireNextImageKHR");
write_log!("failed querying vkAcquireNextImageKHR");
return VK_ERROR_INITIALIZATION_FAILED;
}
};
@ -258,7 +275,7 @@ pub(crate) extern "system" fn create_device(
let pdev = match PhysicalDevice::from_raw(unsafe { OVERLAY.instance() }, physical_device) {
Ok(pdev) => pdev,
Err(err) => {
write_log(format!("failed creating physical device: {:?}", err));
write_log!(format!("failed creating physical device: {:?}", err));
return VK_ERROR_INITIALIZATION_FAILED;
}
};
@ -267,7 +284,7 @@ pub(crate) extern "system" fn create_device(
{
Ok(qi) => qi,
Err(err) => {
write_log(format!("failed getting queue info: {:?}", err));
write_log!(format!("failed getting queue info: {:?}", err));
return VK_ERROR_INITIALIZATION_FAILED;
}
};
@ -279,13 +296,13 @@ pub(crate) extern "system" fn create_device(
);
for info in create_queue_info {
write_log(format!(
write_log!(format!(
"pCreateDeviceInfo; queue fam: {}, queue count: {}",
info.queueFamilyIndex, info.queueCount
));
}
write_log(format!(
write_log!(format!(
"Queue: queue fam: {}, queue count: {}",
queue_info.queue_create_info.queueFamilyIndex, queue_info.queue_create_info.queueCount
));
@ -293,21 +310,21 @@ pub(crate) extern "system" fn create_device(
let ext_names = unsafe { (*create_info).extension_names() };
write_log(format!("{:?}", ext_names));
write_log!(format!("{:?}", ext_names));
let device = match Device::preinitialized(unsafe { *device }, proc_addr, pdev, &ext_names) {
Ok(dev) => dev,
Err(err) => {
write_log(format!("-> local device creation failed: {:?}", err));
write_log!(format!("-> local device creation failed: {:?}", err));
return VK_ERROR_INITIALIZATION_FAILED;
}
};
write_log("created device");
write_log!("created device");
let queue = device.get_queue(queue_info.queue_family_index, queue_info.queue_index);
write_log("got queue from device");
write_log!("got queue from device");
unsafe {
OVERLAY.set_device(device);
@ -321,7 +338,7 @@ pub(crate) extern "system" fn destroy_device(
device: VkDevice,
allocator: *const VkAllocationCallbacks,
) {
write_log(" ================== vulkan layer destroy device ==================");
write_log!(" ================== vulkan layer destroy device ==================");
unsafe {
if let Some(vk_fn) = vk_handles().handle("vkDestroyDevice") {
@ -338,20 +355,20 @@ pub(crate) extern "system" fn create_swapchain(
_allocator: *const VkAllocationCallbacks,
p_swapchain: *mut VkSwapchainKHR,
) -> VkResult {
write_log(" ================== vulkan layer create swapchain ==================");
write_log!(" ================== vulkan layer create swapchain ==================");
let create_swapchain: PFN_vkCreateSwapchainKHR =
match vk_handles().handle("vkCreateSwapchainKHR") {
Some(create_swapchain) => unsafe { mem::transmute(create_swapchain) },
None => {
write_log("failed querying vkCreateSwapchainKHR");
write_log!("failed querying vkCreateSwapchainKHR");
return VK_ERROR_INITIALIZATION_FAILED;
}
};
create_swapchain(_device, create_info, _allocator, p_swapchain);
write_log(format!("-> created swapchain vk handle {:?}", unsafe {
write_log!(format!("-> created swapchain vk handle {:?}", unsafe {
*p_swapchain
}));
@ -359,99 +376,23 @@ pub(crate) extern "system" fn create_swapchain(
match unsafe { Swapchain::from_raw(OVERLAY.device(), &*create_info, *p_swapchain) } {
Ok(swapchain) => swapchain,
Err(err) => {
write_log(format!("create swapchain failed: {:?}", err));
write_log!(format!("create swapchain failed: {:?}", err));
return VK_ERROR_INITIALIZATION_FAILED;
}
};
write_log("-> created Arc<Swapchain>");
write_log!("-> created Arc<Swapchain>");
if let Err(err) = unsafe { OVERLAY.create_rendering(swapchain) } {
write_log(format!("create overlay rendering struct failed: {:?}", err));
write_log!(format!("create overlay rendering struct failed: {:?}", err));
return VK_ERROR_INITIALIZATION_FAILED;
}
write_log("-> created renderer");
write_log!("-> created renderer");
VK_SUCCESS
}
pub(crate) extern "system" fn submit_queue(
queue: VkQueue,
submit_count: u32,
submits: *const VkSubmitInfo,
fence: VkFence,
) -> VkResult {
write_log(" ================== vulkan layer submit queue ==================");
unsafe {
write_log(format!(
"submit queue ({:?}), internal queue: ({:?})",
queue,
OVERLAY.queue().lock().unwrap().vk_handle()
));
// let command_buffers = slice::from_raw_parts(
// (*submits).pCommandBuffers,
// (*submits).commandBufferCount as usize,
// );
// let cb = match OVERLAY.render() {
// Ok(cb) => cb,
// Err(err) => {
// write_log(format!("overlay rendering failed: {:?}", err));
// return VK_ERROR_DEVICE_LOST;
// }
// };
// let cb = [command_buffers, &[cb]].concat();
// let mut_ptr = submits as *mut VkSubmitInfo;
// (*mut_ptr).commandBufferCount = cb.len() as u32;
// (*mut_ptr).pCommandBuffers = cb.as_ptr();
QUEUE_SUBMIT(queue, submit_count, submits, fence)
}
}
pub(crate) extern "system" fn get_device_queue(
device: VkDevice,
queue_family_index: u32,
queue_index: u32,
p_queue: *mut VkQueue,
) {
write_log(" ================== vulkan layer get device queue ==================");
let get_device_queue: PFN_vkGetDeviceQueue = match vk_handles().handle("vkGetDeviceQueue") {
Some(get_queue) => unsafe { mem::transmute(get_queue) },
None => {
write_log("failed querying vkGetDeviceQueue");
panic!("failed querying vkGetDeviceQueue");
}
};
get_device_queue(device, queue_family_index, queue_index, p_queue);
write_log(format!("new queue: {:?}", unsafe { *p_queue }));
unsafe {
write_log(format!(
"internal queue: ({:?})",
OVERLAY.queue().lock().unwrap().vk_handle()
));
}
// unsafe {
// let arc_device = OVERLAY.device();
// arc_device.physical_device().OVERLAY.add_queue(Queue::new(
// arc_device,
// *p_queue,
// queue_family_index,
// queue_index,
// ));
// }
}
pub(crate) extern "system" fn acquire_next_image(
device: VkDevice,
swapchain: VkSwapchainKHR,
@ -472,7 +413,7 @@ pub(crate) extern "system" fn acquire_next_image(
Some(fence),
);
write_log(format!(
write_log!(format!(
"acquire (swapchain: {:?}) res: {:?}",
sc.vk_handle(),
res
@ -488,13 +429,13 @@ pub(crate) extern "system" fn acquire_next_image(
OutOfDate::TimeOut => VK_TIMEOUT,
},
Err(err) => {
write_log(format!("failed acquiring next image {:?}", err));
write_log!(format!("failed acquiring next image {:?}", err));
VK_ERROR_DEVICE_LOST
}
}
}
None => {
write_log("acquired other swapchain image");
write_log!("acquired other swapchain image");
ACQUIRE_NEXT_IMAGE(device, swapchain, timeout, semaphore, fence, image_index)
}
}
@ -505,8 +446,9 @@ pub(crate) extern "system" fn present_queue(
queue: VkQueue,
present_info: *const VkPresentInfoKHR,
) -> VkResult {
write_log(" ================== vulkan layer queue present ==================");
write_log(format!("iq: {:?}, cq: {:?}", queue, unsafe {
if logging() {
write_log!(" ================== vulkan layer queue present ==================");
write_log!(format!("iq: {:?}, cq: {:?}", queue, unsafe {
OVERLAY.queue().lock().unwrap().vk_handle()
}));
unsafe {
@ -515,13 +457,17 @@ pub(crate) extern "system" fn present_queue(
(*present_info).swapchainCount as usize,
);
write_log(format!("present {} swapchain(s)", swapchains.len()));
write_log!(format!("present {} swapchain(s)", swapchains.len()));
for swapchain in swapchains {
write_log(format!("present swapchain: {:?}", swapchain));
write_log!(format!("present swapchain: {:?}", swapchain));
if let Some(swch) = OVERLAY.swapchain(*swapchain) {
write_log(" -> internal swapchain found!");
write_log!(format!(
" -> internal swapchain found! ({:?})",
swch.vk_handle()
));
}
}
}
}
@ -529,7 +475,7 @@ pub(crate) extern "system" fn present_queue(
match unsafe { OVERLAY.render() } {
Ok(_) => (),
Err(err) => {
write_log(format!("overlay rendering failed: {:?}", err));
write_log!(format!("overlay rendering failed: {:?}", err));
return VK_ERROR_DEVICE_LOST;
}
};
@ -537,7 +483,7 @@ pub(crate) extern "system" fn present_queue(
let pfn: PFN_vkQueuePresentKHR = match vk_handles().handle("vkQueuePresentKHR") {
Some(pfn) => unsafe { mem::transmute(pfn) },
None => {
write_log("failed querying vkQueuePresentKHR");
write_log!("failed querying vkQueuePresentKHR");
return VK_ERROR_DEVICE_LOST;
}
};
@ -545,7 +491,9 @@ pub(crate) extern "system" fn present_queue(
pfn(queue, present_info)
}
pub fn write_log(msg: impl ToString) {
pub fn log(msg: impl ToString) {
assert!(logging());
if let Ok(mut file) = OpenOptions::new()
.append(true)
.create(true)

26
src/overlay/mod.rs
View file

@ -1,12 +1,16 @@
use crate::write_log;
use self::{rendering::Rendering, rfactor_data::RFactorData};
use self::{
rendering::Rendering,
rfactor_data::{DataConfig, RFactorData},
};
mod pipeline;
mod rendering;
mod rfactor_data;
use anyhow::Result;
use cgmath::vec3;
use std::sync::{Arc, Mutex};
use vulkan_rs::prelude::*;
@ -66,30 +70,40 @@ impl Overlay {
}
pub fn create_rendering(&mut self, swapchain: Arc<Swapchain>) -> Result<()> {
write_log("-> create rendering: start");
write_log!("-> create rendering: start");
self.rendering = None;
write_log("-> create rendering: old cleared");
write_log!("-> create rendering: old cleared");
self.rendering = Some(Rendering::new(self.device(), self.queue(), swapchain)?);
write_log("-> create rendering: new created");
write_log!("-> create rendering: new created");
write_log("-> create rendering: end");
write_log!("-> create rendering: end");
Ok(())
}
pub fn render(&mut self) -> Result<()> {
let swapchain = self.rendering.as_ref().unwrap().swapchain().clone();
if self.rfactor_data.is_none() {
self.rfactor_data = RFactorData::new(
DataConfig {
radar_scale: 1.0,
radar_car_distance: 20.0,
safe_color: vec3(0.0, 0.75, 0.0),
danger_color: vec3(0.75, 0.0, 0.0),
},
self.device(),
self.rendering
.as_mut()
.unwrap()
.single_color_pipeline()
.descriptor_layout(),
swapchain.width(),
swapchain.height(),
)
.ok();
}
@ -104,8 +118,6 @@ impl Overlay {
None => Vec::new(),
};
let swapchain = self.rendering.as_ref().unwrap().swapchain().clone();
self.rendering.as_mut().unwrap().render(swapchain, &objects)
}
}

30
src/overlay/rendering.rs
View file

@ -1,5 +1,5 @@
use anyhow::Result;
use cgmath::{Vector2, Vector4};
use cgmath::{Matrix4, Vector2, Vector4};
use vulkan_rs::prelude::*;
use std::{
@ -22,25 +22,25 @@ impl PositionOnlyVertex {
/// corners[2] - top right
/// corners[3] - bottom right
///
pub fn from_2d_corners(corners: [Vector2<f32>; 4]) -> [Self; 6] {
pub fn from_2d_corners(ortho: Matrix4<f32>, corners: [Vector2<f32>; 4]) -> [Self; 6] {
[
Self {
position: corners[0].extend(0.0).extend(1.0),
position: ortho * corners[0].extend(0.0).extend(1.0),
},
Self {
position: corners[1].extend(0.0).extend(1.0),
position: ortho * corners[1].extend(0.0).extend(1.0),
},
Self {
position: corners[2].extend(0.0).extend(1.0),
position: ortho * corners[2].extend(0.0).extend(1.0),
},
Self {
position: corners[2].extend(0.0).extend(1.0),
position: ortho * corners[2].extend(0.0).extend(1.0),
},
Self {
position: corners[3].extend(0.0).extend(1.0),
position: ortho * corners[3].extend(0.0).extend(1.0),
},
Self {
position: corners[0].extend(0.0).extend(1.0),
position: ortho * corners[0].extend(0.0).extend(1.0),
},
]
}
@ -62,20 +62,20 @@ impl Rendering {
queue: Arc<Mutex<Queue>>,
swapchain: Arc<Swapchain>,
) -> Result<Self> {
write_log("-> Rendering ctor: begin");
crate::write_log!("-> Rendering ctor: begin");
let vk_images = swapchain.vk_images()?;
write_log(format!(
write_log!(format!(
"-> Rendering ctor: vk images ({})",
vk_images.len()
));
let images = match swapchain.wrap_images(&vk_images, &queue, true) {
Ok(images) => images,
Err(err) => {
write_log(format!("-> Rendering ctor: failed wrapper: {:?}", err));
write_log!(format!("-> Rendering ctor: failed wrapper: {:?}", err));
return Err(err);
}
};
write_log("-> Rendering ctor: wrapped images");
write_log!("-> Rendering ctor: wrapped images");
let render_target = RenderTarget::builder()
.add_sub_pass(
@ -85,9 +85,9 @@ impl Rendering {
)
.build(&device)?;
write_log("-> Rendering ctor: created render_target");
write_log!("-> Rendering ctor: created render_target");
write_log(format!(
write_log!(format!(
"-> Rendering swapchain extents ({}, {})",
swapchain.width(),
swapchain.height(),
@ -149,7 +149,7 @@ impl Rendering {
recorder.set_scissor(&scissor);
recorder.set_viewport(&viewport);
write_log(format!("-> Rendering {} objects", objects.len()));
write_log!(format!("-> Rendering {} objects", objects.len()));
for object in objects {
let buffer = object.buffer();

208
src/overlay/rfactor_data.rs
View file

@ -1,5 +1,5 @@
use anyhow::Result;
use cgmath::vec2;
use cgmath::{ortho, vec2, vec3, InnerSpace, Matrix4, Vector2, Vector3, VectorSpace};
use rfactor_sm_reader::*;
use vulkan_rs::prelude::*;
@ -7,64 +7,214 @@ use std::sync::Arc;
use super::rendering::PositionOnlyVertex;
fn convert_vec(v: rF2Vec3) -> Vector3<f32> {
vec3(v.x as f32, v.y as f32, v.z as f32)
}
pub trait RenderObject {
fn descriptor(&self) -> &Arc<DescriptorSet>;
fn buffer(&self) -> &Arc<Buffer<PositionOnlyVertex>>;
}
pub struct DataConfig {
pub radar_scale: f32,
pub radar_car_distance: f32,
pub safe_color: Vector3<f32>,
pub danger_color: Vector3<f32>,
}
pub struct RFactorData {
// config
config: DataConfig,
// rf2 memory mapped data
// telemetry_reader: TelemetryReader,
// scoring_reader: ScoringReader,
telemetry_reader: TelemetryReader,
scoring_reader: ScoringReader,
// radar objects
background: RadarObject,
player_car: RadarObject,
cars: Vec<RadarObject>,
// game info
player_id: Option<i32>,
// math objects
radar_center: Vector2<f32>,
ortho: Matrix4<f32>,
window_width: u32,
window_height: u32,
car_width: f32,
car_height: f32,
device: Arc<Device>,
descriptor_layout: Arc<DescriptorSetLayout>,
}
impl RFactorData {
pub fn new(device: Arc<Device>, descriptor_layout: &Arc<DescriptorSetLayout>) -> Result<Self> {
let radar_extent = 0.2;
let car_height = 0.05;
let car_width = 0.025;
pub fn new(
config: DataConfig,
device: Arc<Device>,
descriptor_layout: &Arc<DescriptorSetLayout>,
width: u32,
height: u32,
) -> Result<Self> {
let radar_extent = width as f32 * 0.075 * config.radar_scale;
let car_height = radar_extent * 0.2;
let car_width = car_height * 0.5;
let radar_center = vec2(
width as f32 / 2.0,
height as f32 / 2.0 + height as f32 * 0.25,
);
let ortho = ortho(0.0, width as f32, 0.0, height as f32, -1.0, 1.0);
Ok(Self {
// telemetry_reader: TelemetryReader::new()?,
// scoring_reader: ScoringReader::new()?,
config,
telemetry_reader: TelemetryReader::new()?,
scoring_reader: ScoringReader::new()?,
background: RadarObject::new(
device.clone(),
descriptor_layout,
PositionOnlyVertex::from_2d_corners([
vec2(-radar_extent, -radar_extent),
vec2(-radar_extent, radar_extent),
vec2(radar_extent, radar_extent),
vec2(radar_extent, -radar_extent),
]),
PositionOnlyVertex::from_2d_corners(
ortho,
[
vec2(radar_center.x - radar_extent, radar_center.y - radar_extent),
vec2(radar_center.x - radar_extent, radar_center.y + radar_extent),
vec2(radar_center.x + radar_extent, radar_center.y + radar_extent),
vec2(radar_center.x + radar_extent, radar_center.y - radar_extent),
],
),
[0.5, 0.5, 0.5, 0.5],
)?,
player_car: RadarObject::new(
device.clone(),
descriptor_layout,
PositionOnlyVertex::from_2d_corners([
vec2(-car_width, -car_height),
vec2(-car_width, car_height),
vec2(car_width, car_height),
vec2(car_width, -car_height),
]),
PositionOnlyVertex::from_2d_corners(
ortho,
[
vec2(radar_center.x - car_width, radar_center.y - car_height),
vec2(radar_center.x - car_width, radar_center.y + car_height),
vec2(radar_center.x + car_width, radar_center.y + car_height),
vec2(radar_center.x + car_width, radar_center.y - car_height),
],
),
[0.9, 0.9, 0.0, 0.9],
)?,
cars: Vec::new(),
player_id: None,
radar_center,
ortho,
window_width: width,
window_height: height,
car_width,
car_height,
device,
descriptor_layout: descriptor_layout.clone(),
})
}
fn create_car_object(&self, offset: Vector2<f32>, color: [f32; 4]) -> Result<RadarObject> {
RadarObject::new(
self.device.clone(),
&self.descriptor_layout,
PositionOnlyVertex::from_2d_corners(
self.ortho,
[
vec2(
self.radar_center.x - self.car_width + offset.x,
self.radar_center.y - self.car_height + offset.y,
),
vec2(
self.radar_center.x - self.car_width + offset.x,
self.radar_center.y + self.car_height + offset.y,
),
vec2(
self.radar_center.x + self.car_width + offset.x,
self.radar_center.y + self.car_height + offset.y,
),
vec2(
self.radar_center.x + self.car_width + offset.x,
self.radar_center.y - self.car_height + offset.y,
),
],
),
color,
)
}
pub fn update(&mut self) -> Result<()> {
// get scoring info
let (scoring_info, vehicle_scorings) = self.scoring_reader.vehicle_scoring();
// check for player id
if scoring_info.mNumVehicles == 0 {
self.player_id = None;
} else if self.player_id.is_none() {
for vehicle_scoring in vehicle_scorings.iter() {
if vehicle_scoring.mIsPlayer != 0 {
self.player_id = Some(vehicle_scoring.mID);
}
}
}
// if player id is set (a map is loaded), check telemetry data
if let Some(player_id) = &self.player_id {
let telemetries = self.telemetry_reader.query_telemetry();
let mut player_position = CarPosition::default();
let mut other_positions = Vec::new();
for telemetry in telemetries {
if telemetry.id == *player_id {
player_position.position = convert_vec(telemetry.position);
player_position.local_rotation = convert_vec(telemetry.local_rotation);
} else {
other_positions.push(CarPosition {
position: convert_vec(telemetry.position),
local_rotation: convert_vec(telemetry.local_rotation),
});
}
}
// update radar objects
// naive way: clear cars and create them new if near enough
self.cars.clear();
for other_position in other_positions {
let diff = player_position.position - other_position.position;
let distance = diff.magnitude();
// check if car is close enough the players car
if distance < self.config.radar_car_distance {
let offset = diff.truncate();
let color = self.config.danger_color.lerp(
self.config.safe_color,
distance / self.config.radar_car_distance,
);
self.cars
.push(self.create_car_object(offset, [color.x, color.y, color.z, 0.9])?);
}
}
}
Ok(())
}
pub fn objects(&self) -> Vec<&dyn RenderObject> {
let mut objects: Vec<&dyn RenderObject> = Vec::new();
// only draw radar when player is loaded into a map
if let Some(player_id) = &self.player_id {
// only draw radar when any car is near enough
if !self.cars.is_empty() {
objects.push(&self.background);
for other_player_cars in &self.cars {
@ -72,6 +222,8 @@ impl RFactorData {
}
objects.push(&self.player_car);
}
}
objects
}
@ -134,3 +286,17 @@ impl RenderObject for RadarObject {
&self.position_buffer
}
}
struct CarPosition {
pub position: Vector3<f32>,
pub local_rotation: Vector3<f32>,
}
impl Default for CarPosition {
fn default() -> Self {
Self {
position: vec3(0.0, 0.0, 0.0),
local_rotation: vec3(0.0, 0.0, 0.0),
}
}
}