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#include "editor.hpp"
#include "loader/loader.hpp"
#include "src/world.hpp"
#include "keys.hpp"
#include <algorithm>
#include <Corrade/Containers/StringView.h>
namespace floormat {
void editor::on_release()
{
_last_pos = NullOpt;
}
void editor::clear_selection()
{
if (auto* ed = current_tile_editor())
ed->clear_selection();
else if (auto* ed = current_scenery_editor())
ed->clear_selection();
else if (auto* vo = current_vobj_editor())
vo->clear_selection();
}
auto editor::get_snap_value(snap_mode snap, int mods) const -> snap_mode
{
if (const auto* mode = current_tile_editor(); mode != nullptr)
return mode->check_snap(mods);
else if (snap != snap_mode::none)
return snap;
else
return snap_mode::none;
}
global_coords editor::apply_snap(global_coords pos, global_coords last, snap_mode snap) noexcept
{
auto rpos = pos.raw();
switch (snap)
{
default:
break;
case snap_mode::horizontal:
rpos.y = last.raw().y;
break;
case snap_mode::vertical:
rpos.x = last.raw().x;
break;
}
return pos;
}
void editor::on_mouse_move(world& world, global_coords& pos, int mods)
{
if ([[maybe_unused]] auto* mode = current_tile_editor())
{
if (_last_pos && _last_pos->btn != button::none)
{
auto& last = *_last_pos;
const Vector2i offset = pos - last.coord;
const snap_mode snap = get_snap_value(last.snap, mods);
const global_coords draw_coord = apply_snap(last.draw_coord + offset, last.draw_coord, snap);
if (draw_coord != last.draw_coord)
{
const auto draw_offset = draw_coord - last.draw_coord;
if (!!draw_offset[0] ^ !!draw_offset[1] && std::abs(draw_offset.sum()) > 1)
{
const auto drawc = draw_coord.raw();
auto lastc = last.draw_coord.raw();
const auto [minx, maxx] = std::minmax(drawc.x, lastc.x);
const auto [miny, maxy] = std::minmax(drawc.y, lastc.y);
if (draw_offset[0])
for (uint32_t i = minx; i <= maxx; i++)
on_click_(world, { i, lastc.y, nullptr }, last.btn);
else
for (uint32_t j = miny; j <= maxy; j++)
on_click_(world, { lastc.x, j, nullptr }, last.btn);
}
else
on_click_(world, draw_coord, last.btn);
_last_pos = { InPlaceInit, pos, draw_coord, snap, last.btn };
}
pos = draw_coord;
}
}
else
on_release();
}
Optional<global_coords> editor::mouse_drag_pos()
{
if (_last_pos)
return _last_pos->draw_coord;
else
return NullOpt;
}
void editor::on_click_(world& world, global_coords pos, button b)
{
// todo make template
if (auto* mode = current_tile_editor(); mode != nullptr)
{
if (auto opt = mode->get_selected(); opt || b == button::remove)
{
switch (b)
{
case button::place: return mode->place_tile(world, pos, opt);
case button::remove: return mode->place_tile(world, pos, {});
default: break;
}
}
}
else if (auto* mode = current_scenery_editor())
{
if (const auto& opt = mode->get_selected(); opt || b == button::remove)
{
switch (b)
{
default: break;
case button::place:
if (const auto& sel = mode->get_selected())
if (auto [ch, t] = world[pos]; ch.can_place_object(sel.proto, pos.local()))
mode->place_tile(world, pos, sel, *_app);
break;
case button::remove:
mode->place_tile(world, pos, {}, *_app);
break;
}
}
}
else if (auto* mode = current_vobj_editor())
{
if (const auto* opt = mode->get_selected(); opt || b == button::remove)
{
switch (b)
{
default: break;
case button::place:
if (const auto& sel = mode->get_selected())
mode->place_tile(world, pos, sel, *_app);
break;
case button::remove:
mode->place_tile(world, pos, {}, *_app);
break;
}
}
}
on_release();
}
void editor::on_click(world& world, global_coords pos, int mods, button b)
{
if (auto* mode = current_tile_editor())
{
_last_pos = { InPlaceInit, pos, pos, mode->check_snap(mods), b };
on_click_(world, pos, b);
}
else if (current_scenery_editor() || current_vobj_editor())
{
_last_pos = {};
on_click_(world, pos, b);
}
}
editor::editor(app* a) : _app{a} {}
void editor::set_mode(editor_mode mode)
{
_mode = mode;
on_release();
}
const tile_editor* editor::current_tile_editor() const noexcept
{
switch (_mode)
{
case editor_mode::floor:
return &_floor;
case editor_mode::walls:
return &_wall;
default:
return nullptr;
}
}
const scenery_editor* editor::current_scenery_editor() const noexcept
{
if (_mode == editor_mode::scenery)
return &_scenery;
else
return nullptr;
}
const vobj_editor* editor::current_vobj_editor() const noexcept
{
if (_mode == editor_mode::vobj)
return &_vobj;
else
return nullptr;
}
tile_editor* editor::current_tile_editor() noexcept
{
return const_cast<tile_editor*>(static_cast<const editor&>(*this).current_tile_editor());
}
scenery_editor* editor::current_scenery_editor() noexcept
{
return const_cast<scenery_editor*>(static_cast<const editor&>(*this).current_scenery_editor());
}
vobj_editor* editor::current_vobj_editor() noexcept
{
return const_cast<vobj_editor*>(static_cast<const editor&>(*this).current_vobj_editor());
}
} // namespace floormat
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