feat(ecs): introduce component view

Closes: #1
2026-09-07 23:05:39 +02:00
parent 320eb29957
commit 6639127bcf
4 changed files with 285 additions and 2 deletions
@@ -1,6 +1,7 @@
 #ifndef LIBCATBOY_ECS_ECS_HPP
 #define LIBCATBOY_ECS_ECS_HPP

+#include "component_view.hpp"
 #include "fwd.hpp"
 #include "sparseSet.hpp"

@@ -83,6 +84,12 @@ public:
        if (m_alive.find(entity) == m_alive.end()) throw std::runtime_error("entity is dead");
        get_set<T>().erase(entity);
    }
+public:
+    template <typename... Sum>
+        requires(sizeof...(Sum) >= 1)
+    component_view<Entity, Sum...> view() {
+        return { { (&get_set<Sum>())... } };
+    }
 private:
    template <typename T>
    sparse_set<T>& get_set() {