void gui_element::draw_complete_gui_for_camera_rendering_request(vertex_triangle_buffer& output_buffer, const const_entity_handle gui_entity, viewing_step& step) {
const auto& element = gui_entity.get<components::gui_element>();
const auto& rect_world = element.rect_world;
root_of_inventory_gui root_of_gui(element.get_screen_size());
game_gui_rect_tree tree;
viewing_gui_context context(step, gui_entity, tree, root_of_gui);
rect_world.build_tree_data_into_context(context, root_of_inventory_gui_in_context());
rect_world.draw(output_buffer, context, root_of_inventory_gui_in_context());
if (element.is_gui_look_enabled) {
element.draw_cursor_with_information(output_buffer, context);
}
}
void gui_system::advance_gui_elements(const logic_step step) {
auto& cosmos = step.cosm;
for (const auto root : cosmos.get(processing_subjects::WITH_GUI_ELEMENT)) {
auto& element = root.get<components::gui_element>();
auto& rect_world = element.rect_world;
const auto screen_size = element.get_screen_size();
if (root.has<components::item_slot_transfers>()) {
game_gui_rect_tree tree;
augs::gui::gui_entropy<game_gui_element_location> entropy;
root_of_inventory_gui root_of_gui(screen_size);
logic_gui_context context(step, root, tree, root_of_gui);
root_of_inventory_gui_in_context root_location;
rect_world.build_tree_data_into_context(context, root_location);
const auto& entropies = step.entropy.entropy_per_entity;
const auto& inputs_for_this_element = entropies.find(root);
if (inputs_for_this_element != entropies.end()) {
for (const auto& e : (*inputs_for_this_element).second) {
//if (!element.is_gui_look_enabled) {
// ensure(!e.has_event_for_gui);
//}
if (e.has_event_for_gui) {
bool fetched = false;
const auto& change = e.event_for_gui;
const auto held_rect = context._dynamic_cast<item_button_in_item>(rect_world.rect_held_by_lmb);
if (held_rect != nullptr) {
const auto& item_entity = cosmos[held_rect.get_location().item_id];
auto& dragged_charges = element.dragged_charges;
if (change.msg == augs::window::event::message::rdown
|| change.msg == augs::window::event::message::rdoubleclick
) {
if (rect_world.held_rect_is_dragged) {
step.transient.messages.post(item_slot_transfer_request_data{ item_entity, cosmos[inventory_slot_id()], dragged_charges });
fetched = true;
}
}
if (change.msg == augs::window::event::message::wheel) {
const auto& item = item_entity.get<components::item>();
const auto delta = change.scroll.amount;
dragged_charges += delta;
if (dragged_charges <= 0) {
dragged_charges = item.charges + dragged_charges;
}
if (dragged_charges > item.charges) {
dragged_charges = dragged_charges - item.charges;
}
}
}
if (!fetched) {
rect_world.consume_raw_input_and_generate_gui_events(context, root_location, e.event_for_gui, entropy);
}
}
}
}
// rect_world.call_idle_mousemotion_updater(context, root_location, entropy);
rect_world.advance_elements(context, root_location, entropy, cosmos.get_fixed_delta());
auto& transfers = step.transient.messages.get_queue<item_slot_transfer_request_data>();
for (const auto& t : transfers) {
perform_transfer(cosmos[t], step);
}
rect_world.rebuild_layouts(context, root_location);
int max_height = 0;
int total_width = 0;
for (size_t i = 0; i < element.hotbar_buttons.size(); ++i) {
const auto& hb = element.hotbar_buttons[i];
const auto bbox = hb.get_bbox(root);
max_height = std::max(max_height, bbox.y);
total_width += bbox.x;
}
const int left_rc_spacing = 2;
const int right_rc_spacing = 1;
int current_x = screen_size.x / 2 - total_width / 2 - left_rc_spacing;
auto set_rc = [&](auto& hb) {
const auto bbox = hb.get_bbox(root);
hb.rc = xywh(xywhi(current_x, screen_size.y - max_height - 50, bbox.x + left_rc_spacing + right_rc_spacing, max_height));
current_x += bbox.x + left_rc_spacing + right_rc_spacing;
};
for (size_t i = 1; i < element.hotbar_buttons.size(); ++i) {
set_rc(element.hotbar_buttons[i]);
}
set_rc(element.hotbar_buttons[0]);
transfers.clear();
}
}
}
