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Add static_assert to notify when a function is not invocable in ecs::container::apply & batch_apply

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This commit is contained in:
Nikita Lisitsa 2023-12-16 21:55:59 +03:00
parent eb87f1ea20
commit 08b14ded93
2 changed files with 18 additions and 0 deletions
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2
libs/ecs/include/psemek/ecs/container.hpp
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@ -451,6 +451,7 @@ namespace psemek::ecs
query_cache container::apply(Function && function, query_cache cache)
{
static_assert(detail::all_different_types_v<std::remove_const_t<Components>...>, "all component types must be different");
static_assert(detail::invocable<Function, Components...>, "function is not invocable with these components");
if (!cache)
cache = this->cache<Components...>();
@ -495,6 +496,7 @@ namespace psemek::ecs
query_cache container::batch_apply(Function && function, query_cache cache)
{
static_assert(detail::all_different_types_v<std::remove_const_t<Components>...>, "all component types must be different");
static_assert(detail::batch_invocable<Function, Components...>, "function is not batch-invocable with these components");
if (!cache)
cache = this->cache<Components...>();

16
libs/ecs/include/psemek/ecs/detail/apply_helper.hpp
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@ -15,6 +15,14 @@ namespace psemek::ecs
namespace psemek::ecs::detail
{
template <typename Function, typename ... Components>
constexpr bool invocable = false
|| std::invocable<Function, container &, handle, Components & ...>
|| std::invocable<Function, container &, Components & ...>
|| std::invocable<Function, handle, Components & ...>
|| std::invocable<Function, Components & ...>
;
template <typename Function, typename ... Components>
void invoke(Function && function, container & parent, handle const & handle, Components & ... components)
{
@ -36,6 +44,14 @@ namespace psemek::ecs::detail
}
}
template <typename Function, typename ... Components>
constexpr bool batch_invocable = false
|| std::invocable<Function, container &, util::span<handle const>, util::span<Components> ...>
|| std::invocable<Function, container &, util::span<Components> ...>
|| std::invocable<Function, util::span<handle const>, util::span<Components> ...>
|| std::invocable<Function, util::span<Components> ...>
;
template <typename Function, typename ... Components>
void batch_invoke(Function && function, container & parent, std::size_t count, handle const * handles, Components * ... components)
{