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#include "chunk.hpp"
#include "object.hpp"
#include "tile-iterator.hpp"
#include <algorithm>
#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)
return false;
for (auto i = 0uz; i < TILE_COUNT; i++)
if (!_objects.empty() || _ground && _ground->_ground_atlases[i] || _walls && (_walls->_wall_atlases[i*2+0] || _walls->_wall_atlases[i*2+1]))
return _maybe_empty = false;
if (!_objects.empty())
return false;
return true;
}
tile_atlas* chunk::ground_atlas_at(size_t i) const noexcept { return _ground ? _ground->_ground_atlases[i].get() : nullptr; }
tile_atlas* chunk::wall_atlas_at(size_t i) const noexcept { return _walls ? _walls->_wall_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()); }
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();
}
// todo this can use _replace_bbox too
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(struct world& w, chunk_coords_ ch) noexcept : _world{&w}, _coord{ch}
{
}
chunk::~chunk() noexcept
{
_teardown = true;
_objects.clear();
_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);
_objects.push_back(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;
es.reserve(es.size() + 1);
auto it = std::lower_bound(es.cbegin(), es.cend(), e, object_id_lessp);
_objects.insert(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);
es.erase(es.cbegin() + ptrdiff_t(i));
}
const std::vector<std::shared_ptr<object>>& chunk::objects() const
{
fm_assert(_objects_sorted);
return _objects;
}
} // namespace floormat
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