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#include "chunk.hpp"
#include "object.hpp"
#include "world.hpp"
#include "tile-iterator.hpp"
#include "RTree.h"
#include <algorithm>
#include <Corrade/Containers/GrowableArray.h>
#include <Magnum/GL/Context.h>
namespace floormat {
namespace {
constexpr auto object_id_lessp = [](const auto& a, const auto& b) { return a->id < b->id; };
size_t _reload_no_ = 0; // NOLINT
bool is_log_quiet()
{
using GLCCF = GL::Implementation::ContextConfigurationFlag;
auto flags = GL::Context::current().configurationFlags();
return !!(flags & GLCCF::QuietLog);
}
} // namespace
bool chunk::empty(bool force) const noexcept
{
if (!force && !_maybe_empty) [[likely]]
return false;
for (auto i = 0uz; i < TILE_COUNT; i++)
if (!_objects.isEmpty() ||
_ground && _ground->atlases[i] ||
_walls && (_walls->atlases[i*2+0] || _walls->atlases[i*2+1]))
return _maybe_empty = false;
if (!_objects.isEmpty())
return false;
return true;
}
ground_atlas* chunk::ground_atlas_at(size_t i) const noexcept { return _ground ? _ground->atlases[i].get() : nullptr; }
tile_ref chunk::operator[](size_t idx) noexcept { return { *this, uint8_t(idx) }; }
tile_proto chunk::operator[](size_t idx) const noexcept { return tile_proto(tile_ref { *const_cast<chunk*>(this), uint8_t(idx) }); }
tile_ref chunk::operator[](local_coords xy) noexcept { return operator[](xy.to_index()); }
tile_proto chunk::operator[](local_coords xy) const noexcept { return operator[](xy.to_index()); }
tile_ref chunk::at_offset(local_coords pos, Vector2i off)
{
const auto coord = global_coords{_coord, pos};
const auto coord2 = coord + off;
if (coord.chunk() == coord2.chunk()) [[likely]]
return operator[](coord2.local());
else
return (*_world)[coord2].t;
}
Optional<tile_ref> chunk::at_offset_(local_coords pos, Vector2i off)
{
const auto coord = global_coords{_coord, pos};
const auto coord2 = coord + off;
if (coord.chunk() == coord2.chunk()) [[likely]]
return operator[](coord2.local());
else
{
if (auto* ch = _world->at(coord2.chunk3()))
return (*ch)[coord2.local()];
else
return NullOpt;
}
}
tile_ref chunk::at_offset(tile_ref r, Vector2i off) { return at_offset(local_coords{r.index()}, off); }
Optional<tile_ref> chunk::at_offset_(tile_ref r, Vector2i off) { return at_offset_(local_coords{r.index()}, off); }
auto chunk::begin() noexcept -> iterator { return iterator { *this, 0 }; }
auto chunk::end() noexcept -> iterator { return iterator { *this, TILE_COUNT }; }
auto chunk::cbegin() const noexcept -> const_iterator { return const_iterator { *this, 0 }; }
auto chunk::cend() const noexcept -> const_iterator { return const_iterator { *this, TILE_COUNT }; }
auto chunk::begin() const noexcept -> const_iterator { return cbegin(); }
auto chunk::end() const noexcept -> const_iterator { return cend(); }
void chunk::mark_ground_modified() noexcept
{
if (!_ground_modified && !is_log_quiet())
fm_debug("ground reload %zu", ++_reload_no_);
_ground_modified = true;
mark_passability_modified();
}
void chunk::mark_walls_modified() noexcept
{
if (!_walls_modified && !is_log_quiet())
fm_debug("wall reload %zu", ++_reload_no_);
_walls_modified = true;
mark_passability_modified();
}
void chunk::mark_scenery_modified() noexcept
{
if (!_scenery_modified && !is_log_quiet())
fm_debug("scenery reload %zu", ++_reload_no_);
_scenery_modified = true;
}
void chunk::mark_passability_modified() noexcept
{
if (!_pass_modified && !is_log_quiet())
fm_debug("pass reload %zu", ++_reload_no_);
_pass_modified = true;
}
bool chunk::is_passability_modified() const noexcept { return _pass_modified; }
bool chunk::is_scenery_modified() const noexcept { return _scenery_modified; }
void chunk::mark_modified() noexcept
{
mark_ground_modified();
mark_walls_modified();
mark_scenery_modified();
mark_passability_modified();
}
chunk::chunk(class world& w, chunk_coords_ ch) noexcept :
_world{&w},
_rtree{InPlaceInit},
_coord{ch}
{
}
chunk::~chunk() noexcept
{
_teardown = true;
arrayResize(_objects, 0);
arrayShrink(_objects);
_rtree->RemoveAll();
}
chunk::chunk(chunk&&) noexcept = default;
chunk& chunk::operator=(chunk&&) noexcept = default;
bool chunk::bbox::operator==(const bbox& other) const noexcept = default;
void chunk::add_object_unsorted(const std::shared_ptr<object>& e)
{
_objects_sorted = false;
if (!e->is_dynamic())
mark_scenery_modified();
if (bbox bb; _bbox_for_scenery(*e, bb))
_add_bbox(bb);
arrayAppend(_objects, e);
}
void chunk::sort_objects()
{
if (_objects_sorted)
return;
_objects_sorted = true;
mark_scenery_modified();
std::sort(_objects.begin(), _objects.end(), [](const auto& a, const auto& b) {
return a->id < b->id;
});
}
void chunk::add_object(const std::shared_ptr<object>& e)
{
fm_assert(_objects_sorted);
if (!e->is_dynamic())
mark_scenery_modified();
if (bbox bb; _bbox_for_scenery(*e, bb))
_add_bbox(bb);
auto& es = _objects;
auto it = std::lower_bound(es.cbegin(), es.cend(), e, object_id_lessp);
arrayInsert(es, (size_t)std::distance(es.cbegin(), it), e);
}
void chunk::remove_object(size_t i)
{
fm_assert(_objects_sorted);
auto& es = _objects;
fm_debug_assert(i < es.size());
const auto e = es[i];
if (!e->is_dynamic())
mark_scenery_modified();
if (bbox bb; _bbox_for_scenery(*e, bb))
_remove_bbox(bb);
arrayRemove(es, i);
}
ArrayView<const std::shared_ptr<object>> chunk::objects() const
{
fm_assert(_objects_sorted);
return _objects;
}
} // namespace floormat
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