From 53f37adbd79266707faff9aa4815ce9f833f91e1 Mon Sep 17 00:00:00 2001
From: Joseph Walton-Rivers <joseph@walton-rivers.uk>
Date: Wed, 22 Jun 2022 08:38:46 +0100
Subject: [PATCH] type-safe entity classes
---
include/fggl/ecs/types.hpp | 39 ++++++++++++++++++++++++++++++++++++
include/fggl/ecs/utility.hpp | 2 +-
2 files changed, 40 insertions(+), 1 deletion(-)
create mode 100644 include/fggl/ecs/types.hpp
diff --git a/include/fggl/ecs/types.hpp b/include/fggl/ecs/types.hpp
new file mode 100644
index 0000000..d82bd01
--- /dev/null
+++ b/include/fggl/ecs/types.hpp
@@ -0,0 +1,39 @@
+/*
+ * This file is part of FGGL.
+ *
+ * FGGL is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
+ * later version.
+ *
+ * FGGL is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with FGGL.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+//
+// Created by webpigeon on 22/06/22.
+//
+
+#ifndef FGGL_ECS_TYPES_HPP
+#define FGGL_ECS_TYPES_HPP
+
+#include <cstdint>
+
+namespace fggl::ecs {
+
+ struct entity {
+ std::uint32_t id;
+ };
+ constexpr const entity NULL_ENTITY = {0};
+ constexpr const entity MAX_ENTITY = {0xFFFFFFFF};
+
+ struct componentID {
+ std::uint32_t id;
+ };
+ constexpr const entity NULL_COMPONENT = {0};
+
+}
+
+#endif //FGGL_ECS_TYPES_HPP
diff --git a/include/fggl/ecs/utility.hpp b/include/fggl/ecs/utility.hpp
index 8900801..ebcc051 100644
--- a/include/fggl/ecs/utility.hpp
+++ b/include/fggl/ecs/utility.hpp
@@ -37,7 +37,7 @@ namespace fggl::ecs {
}
};
- template<class T> IDType TypeIdGenerator<T>::m_count = 0;
+ template<class T> IDType TypeIdGenerator<T>::m_count = 1;
}
#endif
--
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