Shaders now are managed by a manger that can do hot reloading and it also will detect a bad shader and use an ERROR shader so you know it's busted visually.

guecs.cpp

@@ -1,4 +1,5 @@
 #include "guecs.hpp"
+#include "shaders.hpp"
 
 namespace guecs {
 
@@ -66,31 +67,31 @@ namespace guecs {
   }
 
   void Shader::init(lel::Cell &cell) {
-    ptr = std::make_shared<sf::Shader>();
-    bool good = ptr->loadFromFile(name, sf::Shader::Type::Fragment);
-    dbc::check(good, fmt::format("failed to load shader {}", name));
-    ptr->setUniform("u_resolution", sf::Vector2f({float(cell.w), float(cell.h)}));
-
+    auto shader = shaders::get(name);
+    shader->setUniform("u_resolution", sf::Vector2f({float(cell.w), float(cell.h)}));
     clock = std::make_shared<sf::Clock>();
   }
 
   void Shader::step() {
+    auto shader = shaders::get(name);
     sf::Time u_time = clock->getElapsedTime();
     float current_time = u_time.asSeconds();
 
     if(current_time < u_time_end) {
-      ptr->setUniform("u_time", current_time);
+      shader->setUniform("u_time", current_time);
     } else {
       active = false;
     }
   }
 
   void Shader::run() {
+    auto shader = shaders::get(name);
+
     active = true;
     sf::Time u_time = clock->getElapsedTime();
     u_time_end = u_time.asSeconds() + duration;
-    ptr->setUniform("u_duration", duration);
-    ptr->setUniform("u_time_end", u_time_end);
+    shader->setUniform("u_duration", duration);
+    shader->setUniform("u_time_end", u_time_end);
   }
 
   UI::UI() {