Replaced c style cast with static_cast and fixed generate script

ecs-lua/src/ecs-lua.cpp

@@ -77,6 +77,7 @@ namespace ecs::lua {
 		};
 
 		preload["ecs.LuaComponent"] = [&lua] {
+			// @todo Do we want to register this into the global namespace?
 			lua.new_usertype<LuaComponent>("LuaComponent",
 				"__index", [] (LuaComponent* thiz, std::string key) {
 					return thiz->table[key];
@@ -210,7 +211,7 @@ namespace ecs::lua {
 				}));
 
 				component.set_function("_convert", [] (ecs::Component* component) {
-					return (LuaComponent*)component;
+					return static_cast<LuaComponent*>(component);
 				});
 
 				return component;

ecs-serial/include/ecs-serial.h

@@ -42,13 +42,13 @@ namespace ecs::serial {
 	void register_component(Args... args) {
 		// Serialize component
 		auto serialize = [args...] (std::ostream& os, ecs::Component* component) {
-			T* t = (T*)component;
+			T* t = static_cast<T*>(component);
 			serialize_member(os, t, args...);
 		};
 
 		// Deserialize component
 		auto deserialize = [args...] (std::istream& is, ecs::Component* component) {
-			T* t = (T*)component;
+			T* t = static_cast<T*>(component);
 			deserialize_member(is, t, args...);
 		};
 

ecs/include/ecs.h

@@ -93,7 +93,7 @@ namespace ecs {
 				size_t id = ComponentID::id<T>;
 				T* component = new T(args...);
 
-				return (T*)add_component(id, component);
+				return static_cast<T*>(add_component(id, component));
 			}
 
 			template <typename... Ts>
@@ -107,7 +107,7 @@ namespace ecs {
 			T* get_component() const {
 				size_t id = ComponentID::id<T>;
 
-				return (T*)get_component(id);
+				return static_cast<T*>(get_component(id));
 			}
 
 			const std::unordered_map<size_t, Component*> get_components() const {

template.mako

@@ -10,6 +10,8 @@ namespace generated {
 
 		preload["ecs.${c.name}"] = [&lua] {
 			sol::table component = lua.create_table();
+			component["_id"] = ecs::ComponentID::id<${c.name}>;
+
 			component.new_usertype<${c.name}>("${c.name}",
 				${', '.join("\"{}\", &{}::{}".format(v.name, c.name, v.name) for v in c.variables if not "hidden" in v.annotations)},
 				sol::base_classes, sol::bases<ecs::Component>()
@@ -18,13 +20,13 @@ namespace generated {
 			% for con in c.constructors:
 			% if len(con.parameters) > 0:
 			component.set_function("new", sol::factories([](${', '.join("{} {}".format(p.type, p.name) for p in con.parameters)}) {
-				return std::make_pair(new ${c.name}(${', '.join(p.name for p in con.parameters)}), "${c.name}");
+				return std::make_pair(ecs::ComponentID::id<${c.name}>, new ${c.name}(${', '.join(p.name for p in con.parameters)}));
 			}));
 
 			% endif
 			% endfor
-			lua.set_function("_internal_to_${c.name}", [] (ecs::Component* component) {
-				return (${c.name}*)component;
+			component.set_function("_convert", [] (ecs::Component* component) {
+				return static_cast<${c.name}*>(component);
 			});
 
 			return component;

test.py

@@ -70,7 +70,7 @@ def main(argv):
     filename = argv[1]
 
     index = clang.cindex.Index.create()
-    tu = index.parse(filename, ['-x', 'c++', '-std=c++17', '-Iecs/include'])
+    tu = index.parse(filename, ['-x', 'c++', '-std=c++2a', '-Iecs/include', '-I.build/git/stduuid/include', '-I/lib/gcc/x86_64-pc-linux-gnu/9.3.0/include'])
 
     components = build_components(tu.cursor, filename)
 
@@ -79,5 +79,8 @@ def main(argv):
     include_file = filename.split('/')[-1]
     print(tpl.render(components=components, include_file=include_file))
 
+    # for d in tu.diagnostics:
+    #     print(d)
+
 if __name__ == "__main__":
     main(sys.argv)

test/generated/ecs_components.h

@@ -21,7 +21,7 @@ namespace generated {
 			}));
 
 			component.set_function("_convert", [] (ecs::Component* component) {
-				return (Position*)component;
+				return static_cast<Position*>(component);
 			});
 
 			return component;
@@ -41,7 +41,7 @@ namespace generated {
 			}));
 
 			component.set_function("_convert", [] (ecs::Component* component) {
-				return (Velocity*)component;
+				return static_cast<Velocity*>(component);
 			});
 
 			return component;
@@ -61,7 +61,7 @@ namespace generated {
 			}));
 
 			component.set_function("_convert", [] (ecs::Component* component) {
-				return (Meta*)component;
+				return static_cast<Meta*>(component);
 			});
 
 			return component;

test/test.lua

@@ -1,4 +1,4 @@
-local ecs = require "ecs"
+require "ecs"
 local Position = require "ecs.Position"
 local Velocity = require "ecs.Velocity"
 local Meta = require "ecs.Meta"

test/test2.lua

@@ -1,4 +1,4 @@
-local ecs = require "ecs"
+require "ecs"
 local LuaComponent = require "ecs.LuaComponent"
 
 function init()