thread stop clean up

main.cpp

@@ -4,6 +4,7 @@
 #include <random>
 #include <raylib.h>
 
+#include "raymath.h"
 #include "rng.h"
 #include "spawner.h"
 #include "types.h"
@@ -21,13 +22,23 @@ float level_bottom = level_height + padding;
 
 Rectangle walls[] = {};
 
-Player player;
+float player_width = 50;
+Player player = {
+    {
+        .x = level_width / 2 - player_width / 2,
+        .y = level_height / 2 - player_width / 2,
+        .width = player_width,
+        .height = player_width,
+    },
+    3,
+    -10,
+};
 auto player_speed = 5.0f;
 auto player_invulnerability = 1.0f;
 
 uint32_t score;
 
-Tear tears[100] = {};
+std::array<Tear, 100> tears;
 float tear_speed = 10;
 float tear_range = 300;
 float tear_radius = 10.0f;
@@ -127,7 +138,7 @@ struct ItemSpawner final : Spawner<Item, 100> {
     }
 
     void spawn() override {
-        const auto item_type = static_cast<ItemType>(Rng::generate(ItemType::ITEM_TYPE_COUNT));
+        const auto item_type = static_cast<ItemType>(Rng::generate(ITEM_TYPE_COUNT));
         const auto x = Rng::generate(static_cast<int>(level_left), static_cast<int>(level_right));
         const auto y = Rng::generate(static_cast<int>(level_top), static_cast<int>(level_bottom));
 
@@ -206,13 +217,6 @@ int main() {
     enemy_spawner.start();
     item_spawner.start();
 
-    player.width = 50;
-    player.height = 50;
-    player.x = level_width / 2 - player.width / 2;
-    player.y = level_height / 2 - player.height / 2;
-    player.lives = 3;
-    player.last_hit = -10;
-
     std::string score_text_buffer;
     score_text_buffer.reserve(64);
 
@@ -335,7 +339,8 @@ int main() {
 
         const int text_left = static_cast<int>(level_left) + 10;
 
-        DrawRectangle(level_left, static_cast<int>(level_height) - 110, 200, 110, {130, 130, 130, 100});
+        DrawRectangle(static_cast<int>(level_left), static_cast<int>(level_height) - 110, 200, 110,
+                      {130, 130, 130, 100});
 
         std::format_to(std::back_inserter(score_text_buffer), "Score: {}", score);
         DrawText(score_text_buffer.c_str(), text_left, static_cast<int>(level_height) - 100, 20, BLACK);

spawner.h

@@ -11,11 +11,10 @@ template<typename T, size_t N>
 struct Spawner {
     std::mutex mutex;
     std::condition_variable cv;
-    std::atomic<bool> running;
     std::atomic<bool> paused;
     std::jthread timer;
-    long long rate_secs;
-    T values[N];
+    std::atomic<unsigned long long> rate_secs;
+    std::array<T, N> values;
 
     explicit Spawner(long long rate_secs);
 
@@ -44,9 +43,8 @@ void Spawner<T, N>::spawn() {
 
 template<typename T, size_t N>
 void Spawner<T, N>::start() {
-    running.store(true);
-    timer = std::jthread([&] {
-        while (running.load()) {
+    timer = std::jthread([&] (const std::stop_token &st) {
+        while (!st.stop_requested()) {
             const auto start = std::chrono::steady_clock::now();
 
             std::unique_lock lock{mutex};
@@ -55,14 +53,14 @@ void Spawner<T, N>::start() {
             }
 
             auto next = start + std::chrono::seconds(rate_secs);
-            cv.wait_until(lock, next, [&] { return !running.load(); });
+            cv.wait_until(lock, next);
         }
     });
 }
 
 template<typename T, size_t N>
 Spawner<T, N>::~Spawner() {
-    running.store(false);
+    timer.request_stop();
     cv.notify_all();
 }
 

types.h

@@ -4,9 +4,8 @@
 
 #pragma once
 
-#include <assert.h>
+#include <cassert>
 
-#include "raymath.h"
 #include "raylib.h"
 
 struct Player : Rectangle {