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#include "tile.hpp"
#include "tile-constants.hpp"
#include "chunk.hpp"
namespace floormat {
// no avoiding it with rotations
static_assert(iTILE_SIZE2.x() == iTILE_SIZE2.y());
bool operator==(const tile_proto& a, const tile_proto& b) noexcept {
if (const auto &A = a.ground(), &B = b.ground(); A != B)
return false;
if (const auto &A = a.wall_north(), &B = b.wall_north(); A != B)
return false;
if (const auto &A = a.wall_west(), &B = b.wall_west(); A != B)
return false;
return true;
};
tile_image_proto tile_proto::ground() const noexcept { return { ground_atlas, ground_variant }; }
wall_image_proto tile_proto::wall_north() const noexcept { return { wall_north_atlas, wall_north_variant }; }
wall_image_proto tile_proto::wall_west() const noexcept { return { wall_west_atlas, wall_west_variant }; }
tile_ref::tile_ref(class chunk& c, uint8_t i) noexcept : _chunk{&c}, i{i} {}
bptr<class ground_atlas> tile_ref::ground_atlas() noexcept { return _chunk->_ground ? _chunk->_ground->atlases[i] : nullptr; }
bptr<class wall_atlas> tile_ref::wall_north_atlas() noexcept { return _chunk->_walls ? _chunk->_walls->atlases[i*2+0] : nullptr; }
bptr<class wall_atlas> tile_ref::wall_west_atlas() noexcept { return _chunk->_walls ? _chunk->_walls->atlases[i*2+1] : nullptr; }
bptr<const class ground_atlas> tile_ref::ground_atlas() const noexcept { return _chunk->_ground ? _chunk->_ground->atlases[i] : nullptr; }
bptr<const class wall_atlas> tile_ref::wall_north_atlas() const noexcept { return _chunk->_walls ? _chunk->_walls->atlases[i*2+0] : nullptr; }
bptr<const class wall_atlas> tile_ref::wall_west_atlas() const noexcept { return _chunk->_walls ? _chunk->_walls->atlases[i*2+1] : nullptr; }
tile_image_ref tile_ref::ground() noexcept { _chunk->ensure_alloc_ground(); return {_chunk->_ground->atlases[i], _chunk->_ground->variants[i] }; }
wall_image_ref tile_ref::wall_north() noexcept { _chunk->ensure_alloc_walls(); return {_chunk->_walls->atlases[i*2+0], _chunk->_walls->variants[i*2+0] }; }
wall_image_ref tile_ref::wall_west() noexcept { _chunk->ensure_alloc_walls(); return {_chunk->_walls->atlases[i*2+1], _chunk->_walls->variants[i*2+1] }; }
tile_image_proto tile_ref::ground() const noexcept
{
_chunk->ensure_alloc_ground();
return { _chunk->_ground->atlases[i], _chunk->_ground->variants[i] };
}
wall_image_proto tile_ref::wall_north() const noexcept
{
if (!_chunk->_walls) [[unlikely]]
return {};
else
return { _chunk->_walls->atlases[i*2+0], _chunk->_walls->variants[i*2+0] };
}
wall_image_proto tile_ref::wall_west() const noexcept
{
if (!_chunk->_walls) [[unlikely]]
return {};
else
return { _chunk->_walls->atlases[i*2+1], _chunk->_walls->variants[i*2+1] };
}
tile_ref::operator tile_proto() const noexcept
{
_chunk->ensure_alloc_ground();
_chunk->ensure_alloc_walls();
return {
_chunk->_ground->atlases[i], _chunk->_walls->atlases[i*2+0], _chunk->_walls->atlases[i*2+1],
_chunk->_ground->variants[i], _chunk->_walls->variants[i*2+0], _chunk->_walls->variants[i*2+1],
};
}
bool operator==(const tile_ref& a, const tile_ref& b) noexcept
{
if (a._chunk == b._chunk && a.i == b.i)
return true;
else
return a.ground() == b.ground() &&
a.wall_north() == b.wall_north() &&
a.wall_west() == b.wall_west();
}
} // namespace floormat
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