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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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28
gui/loot_ui.cpp
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@ -46,16 +46,6 @@ namespace gui {
update();
}
std::optional<DinkyECS::Entity> LootUI::begin_grab(DinkyECS::Entity slot_id) {
if(contents.contains(slot_id)) {
auto& source = get_grab_source(slot_id);
source.grab();
return contents.at(slot_id);
} else {
return std::nullopt;
}
}
void LootUI::commit_grab(DinkyECS::Entity slot_id) {
contents.erase(slot_id);
update();
@ -76,20 +66,19 @@ namespace gui {
dbc::check($level.world->has<components::Sprite>(item),
"item in inventory UI doesn't exist in world. New level?");
auto& sprite = $level.world->get<components::Sprite>(item);
guecs::GrabSource grabber{sprite.name};
$gui.set_init<guecs::Sprite>(id, grabber);
$gui.set_init<guecs::Sprite>(id, {sprite.name});
$gui.set<guecs::GrabSource>(id, {item});
} else {
$gui.set<guecs::DropTarget>(id, {
[&, id]() -> bool { return place_slot(id); }
[&, id](DinkyECS::Entity world_entity) -> bool { return place_slot(id, world_entity); }
});
}
}
}
bool LootUI::place_slot(DinkyECS::Entity id) {
bool LootUI::place_slot(DinkyECS::Entity id, DinkyECS::Entity world_entity) {
if(contents.size() < INV_SLOTS && !contents.contains(id)) {
contents.try_emplace(id, $selected_entity);
dbc::log(fmt::format("adding entity {}", id));
contents.try_emplace(id, world_entity);
update();
return true;
} else {
@ -100,7 +89,7 @@ namespace gui {
guecs::GrabSource& LootUI::get_grab_source(DinkyECS::Entity gui_id) {
dbc::check($gui.has<guecs::Sprite>(gui_id), "invalid GrabSource requested, entity isn't in the GUI.");
return static_cast<guecs::GrabSource&>($gui.get<guecs::Sprite>(gui_id));
return $gui.get<guecs::GrabSource>(gui_id);
}
void LootUI::render(sf::RenderWindow& window) {
@ -120,9 +109,4 @@ namespace gui {
guecs::DropTarget& LootUI::get_drop_target(DinkyECS::Entity gui_id) {
return $gui.get<guecs::DropTarget>(gui_id);
}
void LootUI::begin_drop(DinkyECS::Entity world_entity) {
dbc::log("begin the loot drop");
$selected_entity = world_entity;
}
}