From f31f9557b31910daddf43d0a52e0640bb93d37a9 Mon Sep 17 00:00:00 2001
From: Christoph Urlacher <christoph.urlacher@protonmail.com>
Date: Tue, 24 Feb 2026 20:53:27 +0100
Subject: [PATCH] update flags again

---
 include/config.hpp  |  5 +++--
 include/physics.hpp | 14 ++++++++++----
 include/presets.hpp |  6 ++----
 src/backward.cpp    |  6 ++++++
 src/physics.cpp     | 20 ++++++++++++++------
 5 files changed, 35 insertions(+), 16 deletions(-)

diff --git a/include/config.hpp b/include/config.hpp
index 9bcd1bc..dda39a1 100644
--- a/include/config.hpp
+++ b/include/config.hpp
@@ -3,8 +3,9 @@
 
 #include <raylib.h>
 
-// #define WEB        // Disables multithreading
-// #define TRACY      // Enable tracy profiling support
+#define THREADPOOL // Enable physics threadpool
+#define TRACY      // Enable tracy profiling support
+#define BACKWARD   // Enable pretty stack traces
 
 // Window
 constexpr int INITIAL_WIDTH = 800;
diff --git a/include/physics.hpp b/include/physics.hpp
index 79e6ee9..7d9e1fc 100644
--- a/include/physics.hpp
+++ b/include/physics.hpp
@@ -7,6 +7,7 @@
 #include <atomic>
 #include <condition_variable>
 #include <cstddef>
+#include <iostream>
 #include <mutex>
 #include <queue>
 #include <raylib.h>
@@ -15,7 +16,7 @@
 #include <variant>
 #include <vector>
 
-#ifndef WEB
+#ifdef THREADPOOL
 #define BS_THREAD_POOL_NATIVE_EXTENSIONS
 #include <BS_thread_pool.hpp>
 #endif
@@ -62,7 +63,7 @@ class MassSpringSystem {
 private:
   Octree octree;
 
-#ifndef WEB
+#ifdef THREADPOOL
   BS::thread_pool<BS::tp::none> threads;
 #endif
 
@@ -73,11 +74,14 @@ public:
 
 public:
   MassSpringSystem()
-      : threads(std::thread::hardware_concurrency() - 1, SetThreadName) {
+#ifdef THREADPOOL
+      : threads(std::thread::hardware_concurrency() - 1, SetThreadName)
+#endif
+  {
     std::cout << "Using Barnes-Hut + octree repulsion force calculation."
               << std::endl;
 
-#ifndef WEB
+#ifdef THREADPOOL
     std::cout << "Thread-Pool: " << threads.get_thread_count() << " threads."
               << std::endl;
 #endif
@@ -89,7 +93,9 @@ public:
   MassSpringSystem &operator=(MassSpringSystem &&move) = delete;
 
 private:
+#ifdef THREADPOOL
   static auto SetThreadName(std::size_t idx) -> void;
+#endif
 
   auto BuildOctree() -> void;
 
diff --git a/include/presets.hpp b/include/presets.hpp
index 8e4d224..c9881e3 100644
--- a/include/presets.hpp
+++ b/include/presets.hpp
@@ -204,14 +204,12 @@ inline auto state_new_century_wc(const State &state) -> bool {
 static std::vector<StateGenerator> generators{
     state_simple_1r,  state_simple_2r,  state_simple_3r,  state_complex_1r,
     state_complex_2r, state_complex_3r, state_complex_4f, state_complex_5r,
-    state_complex_6r, state_klotski,    state_century,    state_super_century,
-    state_new_century};
+    state_complex_6r, state_klotski,    state_century,    state_super_century};
 
 static std::vector<WinCondition> win_conditions{
     state_simple_1r_wc,  state_simple_2r_wc,  state_simple_3r_wc,
     state_complex_1r_wc, state_complex_2r_wc, state_complex_3r_wc,
     state_complex_4f_wc, state_complex_5r_wc, state_complex_6r_wc,
-    state_klotski_wc,    state_century_wc,    state_super_century_wc,
-    state_new_century_wc};
+    state_klotski_wc,    state_century_wc,    state_super_century_wc};
 
 #endif
diff --git a/src/backward.cpp b/src/backward.cpp
index 110441c..7eb1740 100644
--- a/src/backward.cpp
+++ b/src/backward.cpp
@@ -33,6 +33,10 @@
 // - g++/clang++ -lunwind
 // #define BACKWARD_HAS_LIBUNWIND 1
 
+#include "config.hpp"
+
+#ifdef BACKWARD
+
 #include "backward.hpp"
 
 namespace backward {
@@ -40,3 +44,5 @@ namespace backward {
 backward::SignalHandling sh;
 
 } // namespace backward
+
+#endif
diff --git a/src/physics.cpp b/src/physics.cpp
index ed56592..199e6ab 100644
--- a/src/physics.cpp
+++ b/src/physics.cpp
@@ -1,7 +1,6 @@
 #include "physics.hpp"
 #include "config.hpp"
 
-#include <BS_thread_pool.hpp>
 #include <algorithm>
 #include <cfloat>
 #include <chrono>
@@ -11,6 +10,11 @@
 #include <utility>
 #include <vector>
 
+#ifdef THREADPOOL
+#define BS_THREAD_POOL_NATIVE_EXTENSIONS
+#include <BS_thread_pool.hpp>
+#endif
+
 #ifdef TRACY
 #include "tracy.hpp"
 #include <tracy/Tracy.hpp>
@@ -116,9 +120,11 @@ auto MassSpringSystem::CalculateSpringForces() -> void {
   }
 }
 
+#ifdef THREADPOOL
 auto MassSpringSystem::SetThreadName(std::size_t idx) -> void {
   BS::this_thread::set_os_thread_name(std::format("bh-worker-{}", idx));
 }
+#endif
 
 auto MassSpringSystem::BuildOctree() -> void {
 #ifdef TRACY
@@ -170,14 +176,14 @@ auto MassSpringSystem::CalculateRepulsionForces() -> void {
   };
 
 // Calculate forces using Barnes-Hut
-#ifdef WEB
-  for (int i = 0; i < mass_pointers.size(); ++i) {
-    solve_octree(i);
-  }
-#else
+#ifdef THREADPOOL
   BS::multi_future<void> loop_future =
       threads.submit_loop(0, masses.size(), solve_octree, 256);
   loop_future.wait();
+#else
+  for (std::size_t i = 0; i < masses.size(); ++i) {
+    solve_octree(i);
+  }
 #endif
 }
 
@@ -193,7 +199,9 @@ auto MassSpringSystem::VerletUpdate(float delta_time) -> void {
 
 auto ThreadedPhysics::PhysicsThread(ThreadedPhysics::PhysicsState &state)
     -> void {
+#ifdef THREADPOOL
   BS::this_thread::set_os_thread_name("physics");
+#endif
 
   MassSpringSystem mass_springs;