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More of the drag/drop is handled by the GrabSource/DropTarget components.

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This commit is contained in:
Zed A. Shaw 2025-06-09 23:59:44 -04:00
parent 7a551cf83a
commit 570b70ab0c
7 changed files with 36 additions and 81 deletions
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32
gui/status_ui.cpp
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@ -46,7 +46,9 @@ namespace gui {
guecs::make_action(*$level.world, Events::GUI::INV_SELECT, {button})
});
$gui.set<DropTarget>(button, {
.commit=[&, button]() -> bool { return place_slot(button); }
.commit=[&, button](DinkyECS::Entity world_target) -> bool {
return place_slot(button, world_target);
}
});
}
}
@ -83,13 +85,12 @@ namespace gui {
init();
}
bool StatusUI::place_slot(DinkyECS::Entity gui_id) {
if($level.world->has<components::Sprite>($selected_entity)) {
auto& sprite = $level.world->get<components::Sprite>($selected_entity);
bool StatusUI::place_slot(DinkyECS::Entity gui_id, DinkyECS::Entity world_entity) {
if($level.world->has<components::Sprite>(world_entity)) {
auto& sprite = $level.world->get<components::Sprite>(world_entity);
$gui.set_init<guecs::Sprite>(gui_id, {sprite.name});
contents.insert_or_assign(gui_id, $selected_entity);
$gui.set<guecs::GrabSource>(gui_id, {world_entity});
contents.insert_or_assign(gui_id, world_entity);
return true;
} else {
return false;
@ -100,26 +101,15 @@ namespace gui {
return $gui.get<guecs::DropTarget>(gui_id);
}
void StatusUI::begin_drop(DinkyECS::Entity world_entity) {
$selected_entity = world_entity;
}
guecs::GrabSource& StatusUI::get_grab_source(DinkyECS::Entity gui_id) {
dbc::check($gui.has<guecs::Sprite>(gui_id), "invalid GrabSource requested, entity isn't in the GUI.");
dbc::check($gui.has<guecs::GrabSource>(gui_id), "invalid GrabSource requested, entity isn't in the GUI.");
return static_cast<guecs::GrabSource&>($gui.get<guecs::Sprite>(gui_id));
}
std::optional<DinkyECS::Entity> StatusUI::begin_grab(DinkyECS::Entity slot_id) {
if(!contents.contains(slot_id)) return std::nullopt;
auto& source = get_grab_source(slot_id);
source.grab();
return contents.at(slot_id);
return $gui.get<guecs::GrabSource>(gui_id);
}
void StatusUI::commit_grab(DinkyECS::Entity slot_id) {
contents.erase(slot_id);
$gui.remove<guecs::GrabSource>(slot_id);
$gui.remove<guecs::Sprite>(slot_id);
}
}