void gun_system::launch_shots_due_to_pressed_triggers() {
auto& physics_sys = parent_world.get_system<physics_system>();
auto& render = parent_world.get_system<render_system>();
for (auto it : targets) {
const auto& gun_transform = it->get<components::transform>();
auto& gun = it->get<components::gun>();
auto& container = it->get<components::container>();
if (gun.trigger_pressed && check_timeout_and_reset(gun.timeout_between_shots)) {
if (gun.action_mode != components::gun::action_type::AUTOMATIC)
gun.trigger_pressed = false;
auto chamber_slot = it[slot_function::GUN_CHAMBER];
if (chamber_slot->get_mounted_items().size() == 1) {
auto barrel_transform = gun_transform;
barrel_transform.pos += vec2(gun.bullet_spawn_offset).rotate(gun_transform.rotation, vec2());
auto catridge = chamber_slot->get_mounted_items()[0];
static thread_local std::vector<augs::entity_id> bullet_entities;
bullet_entities.clear();
auto pellets_slot = catridge[slot_function::ITEM_DEPOSIT];
if (pellets_slot.alive())
bullet_entities = pellets_slot->get_mounted_items();
else
bullet_entities.push_back(catridge);
for(auto& charge_stack : bullet_entities) {
size_t charges = charge_stack->get<components::item>().charges;
while (charges--) {
{
auto round_entity = parent_world.create_entity();
round_entity->clone(charge_stack[sub_entity_name::BULLET_ROUND_DEFINITION]);
round_entity->get<components::damage>().amount *= gun.damage_multiplier;
auto& physics_definition = round_entity->get<components::physics_definition>();
physics_definition.dont_create_fixtures_and_body = false;
physics_definition.body.velocity.set_from_degrees(barrel_transform.rotation).set_length(randval(gun.muzzle_velocity));
round_entity->get<components::transform>() = barrel_transform;
}
auto shell_definition = charge_stack[sub_entity_name::BULLET_SHELL_DEFINITION];
if (shell_definition.alive()) {
auto shell_entity = parent_world.create_entity();
shell_entity->clone(shell_definition);
auto shell_transform = gun_transform;
shell_transform.pos += vec2(gun.shell_spawn_offset).rotate(gun_transform.rotation, vec2());
auto& physics_definition = shell_entity->get<components::physics_definition>();
physics_definition.dont_create_fixtures_and_body = false;
physics_definition.body.velocity.set_from_degrees(
barrel_transform.rotation)
.set_length(randval(gun.shell_velocity));
shell_entity->get<components::transform>() = shell_transform;
}
}
parent_world.post_message(messages::destroy_message(charge_stack));
}
messages::animation_response_message msg;
msg.response = messages::animation_response_message::SHOT;
msg.preserve_state_if_animation_changes = false;
msg.change_animation = true;
msg.change_speed = true;
msg.speed_factor = 1.f;
msg.subject = it;
msg.action = messages::animation_message::START;
msg.animation_priority = 1;
parent_world.post_message(msg);
auto* maybe_item = it->find<components::item>();
if (maybe_item)
gun.shake_camera(get_root_container(it)[associated_entity_name::WATCHING_CAMERA], gun_transform.rotation);
messages::particle_burst_message burst;
burst.pos = barrel_transform.pos;
burst.rotation = barrel_transform.rotation;
burst.subject = it;
burst.type = messages::particle_burst_message::burst_type::WEAPON_SHOT;
burst.target_group_to_refresh = it[sub_entity_name::BARREL_SMOKE];
parent_world.post_message(burst);
parent_world.post_message(messages::destroy_message(chamber_slot->items_inside[0]));
chamber_slot->items_inside.clear();
if (gun.action_mode >= components::gun::action_type::SEMI_AUTOMATIC) {
std::vector<augs::entity_id> source_catridge_store;
auto chamber_magazine_slot = it[slot_function::GUN_CHAMBER_MAGAZINE];
if (chamber_magazine_slot.alive()) {
source_catridge_store = chamber_magazine_slot->items_inside;
}
else {
auto detachable_magazine_slot = it[slot_function::GUN_DETACHABLE_MAGAZINE];
if (detachable_magazine_slot.has_items()) {
source_catridge_store = detachable_magazine_slot->items_inside[0][slot_function::ITEM_DEPOSIT]->items_inside;
}
}
auto new_singular_charge = parent_world.create_entity();
auto source_charge_stack = *source_catridge_store.rbegin();
new_singular_charge->clone(source_charge_stack);
new_singular_charge->get<components::item>().charges = 1;
source_charge_stack->get<components::item>().charges--;
chamber_slot.add_item(new_singular_charge);
new_singular_charge->get<components::item>().set_mounted();
}
}
}
}
}
void perform_transfer(const item_slot_transfer_request r, logic_step& step) {
auto& cosmos = r.get_item().get_cosmos();
auto& item = r.get_item().get<components::item>();
const auto previous_slot_id = item.current_slot;
const auto previous_slot = cosmos[previous_slot_id];
const auto result = query_transfer_result(r);
const bool is_pickup_or_transfer = result.result == item_transfer_result_type::SUCCESSFUL_TRANSFER;
const bool is_drop_request = result.result == item_transfer_result_type::SUCCESSFUL_DROP;
if (result.result == item_transfer_result_type::UNMOUNT_BEFOREHAND) {
ensure(false);
ensure(previous_slot.alive());
//item.request_unmount(r.get_target_slot());
//item.mark_parent_enclosing_containers_for_unmount();
return;
}
else if (is_pickup_or_transfer || is_drop_request) {
components::transform previous_container_transform;
entity_id target_item_to_stack_with;
if (is_pickup_or_transfer) {
for (auto& i : cosmos.get_handle(r.get_target_slot())->items_inside) {
if (can_stack_entities(r.get_item(), cosmos[i])) {
target_item_to_stack_with = i;
}
}
}
const bool whole_item_grabbed = item.charges == result.transferred_charges;
if (previous_slot.alive()) {
previous_container_transform = previous_slot.get_container().logic_transform();
if (whole_item_grabbed) {
remove_item(previous_slot, r.get_item());
}
if (previous_slot.is_input_enabling_slot()) {
unset_input_flags_of_orphaned_entity(r.get_item());
}
}
if (cosmos[target_item_to_stack_with].alive()) {
if (whole_item_grabbed) {
step.transient.messages.post(messages::queue_destruction(r.get_item()));
}
else {
item.charges -= result.transferred_charges;
}
cosmos[target_item_to_stack_with].get<components::item>().charges += result.transferred_charges;
return;
}
entity_id grabbed_item_part;
if (whole_item_grabbed) {
grabbed_item_part = r.get_item();
}
else {
grabbed_item_part = cosmos.clone_entity(r.get_item());
item.charges -= result.transferred_charges;
cosmos[grabbed_item_part].get<components::item>().charges = result.transferred_charges;
}
const auto grabbed_item_part_handle = cosmos[grabbed_item_part];
if (is_pickup_or_transfer) {
add_item(r.get_target_slot(), grabbed_item_part_handle);
}
auto physics_updater = [previous_container_transform](const entity_handle descendant, ...) {
const auto& cosmos = descendant.get_cosmos();
const auto parent_slot = cosmos[descendant.get<components::item>().current_slot];
auto def = descendant.get<components::fixtures>().get_data();
entity_id owner_body;
if (parent_slot.alive()) {
def.activated = parent_slot.should_item_inside_keep_physical_body();
if (def.activated) {
owner_body = parent_slot.get_root_container();
def.offsets_for_created_shapes[colliders_offset_type::ITEM_ATTACHMENT_DISPLACEMENT]
= sum_attachment_offsets(cosmos, descendant.get_address_from_root());
}
else {
owner_body = descendant;
}
def.offsets_for_created_shapes[colliders_offset_type::SPECIAL_MOVE_DISPLACEMENT].reset();
}
else {
def.activated = true;
owner_body = descendant;
def.offsets_for_created_shapes[colliders_offset_type::ITEM_ATTACHMENT_DISPLACEMENT].reset();
def.offsets_for_created_shapes[colliders_offset_type::SPECIAL_MOVE_DISPLACEMENT].reset();
}
descendant.get<components::fixtures>() = def;
descendant.get<components::fixtures>().set_owner_body(owner_body);
if (descendant.has<components::physics>()) {
descendant.get<components::physics>().set_transform(previous_container_transform);
if (descendant.has<components::interpolation>()) {
descendant.get<components::interpolation>().place_of_birth = descendant.logic_transform();
}
}
};
physics_updater(grabbed_item_part_handle);
grabbed_item_part_handle.for_each_contained_item_recursive(physics_updater);
if (is_pickup_or_transfer) {
initialize_item_button_for_new_gui_owner(grabbed_item_part_handle, inventory_traversal());
grabbed_item_part_handle.for_each_contained_slot_and_item_recursive(initialize_slot_button_for_new_gui_owner, initialize_item_button_for_new_gui_owner);
}
const auto previous_capability = previous_slot.get_container().get_owning_transfer_capability();
const auto target_capability = r.get_target_slot().get_container().get_owning_transfer_capability();
if (target_capability.alive() && target_capability != previous_capability) {
if (target_capability.has<components::gui_element>()) {
components::gui_element::assign_item_to_first_free_hotbar_button(target_capability, grabbed_item_part_handle);
}
}
auto& grabbed_item = grabbed_item_part_handle.get<components::item>();
if (is_pickup_or_transfer) {
if (r.get_target_slot()->items_need_mounting) {
grabbed_item.intended_mounting = components::item::MOUNTED;
if (r.force_immediate_mount) {
grabbed_item.current_mounting = components::item::MOUNTED;
}
}
}
if (is_drop_request) {
const auto force = vec2().set_from_degrees(previous_container_transform.rotation).set_length(60);
const auto offset = vec2().random_on_circle(20, cosmos.get_rng_for(r.get_item()));
auto& physics = grabbed_item_part_handle.get<components::physics>();
physics.apply_force(force, offset, true);
auto& special_physics = grabbed_item_part_handle.get<components::special_physics>();
special_physics.since_dropped.set(200, cosmos.get_timestamp());
}
}
}