diff options
Diffstat (limited to 'tile.hpp')
| -rw-r--r-- | tile.hpp | 19 |
1 files changed, 14 insertions, 5 deletions
@@ -3,6 +3,7 @@ #include "hash.hpp" #include "defs.hpp" +#include <concepts> #include <cstddef> #include <tuple> #include <array> @@ -12,10 +13,14 @@ namespace Magnum::Examples { +static constexpr Vector3 TILE_SIZE = { 50, 50, 50 }; + struct tile_image final { std::shared_ptr<texture_atlas> atlas; std::uint8_t variant = 0xff; + + explicit operator bool() const noexcept { return !!atlas; } }; struct tile final @@ -26,7 +31,7 @@ struct tile final tile_image ground_image_, wall_west_, wall_north_; pass_mode passability_ = pass_shoot_through; - explicit operator bool() const noexcept { return !!ground_image_.atlas; } + //explicit operator bool() const noexcept { return !!ground_image_.atlas; } }; struct local_coords final { @@ -67,8 +72,13 @@ struct chunk final constexpr tile& operator[](std::size_t i); constexpr const tile& operator[](std::size_t i) const; - template<typename F> constexpr inline void foreach_tile(F&& fun) { foreach_tile_<F, chunk&>(fun); } - template<typename F> constexpr inline void foreach_tile(F&& fun) const { foreach_tile_<F, const chunk&>(fun); } + template<typename F> + requires std::invocable<F, tile&, int, int> + constexpr inline void foreach_tile(F&& fun) { foreach_tile_<F, chunk&>(std::forward<F>(fun)); } + + template<typename F> + requires std::invocable<F, const tile&, int, int> + constexpr inline void foreach_tile(F&& fun) const { foreach_tile_<F, const chunk&>(std::forward<F>(fun)); } private: template<typename F, typename Self> constexpr void foreach_tile_(F&& fun); @@ -107,8 +117,7 @@ constexpr void chunk::foreach_tile_(F&& fun) for (unsigned i = 0; i < N; i++) { unsigned idx = j*N + i; - if (tiles[idx]) - fun(*static_cast<Self>(*this).tiles[idx]); + fun(const_cast<Self>(*this).tiles[idx], i, j); } } |