wave-survival/modules/wave_survival/weapon_inventory.cpp

100 lines
2.9 KiB
C++

#include "weapon_inventory.h"
#include "macros.h"
#include "weapon_base.h"
void WeaponInventory::_bind_methods() {
BIND_HPROPERTY(Variant::OBJECT, fallback_weapon, PROPERTY_HINT_RESOURCE_TYPE, "PackedScene");
}
void WeaponInventory::on_switch_input() {
this->current = (this->current + 1) % 1;
this->select_weapon(this->weapons[this->current]);
}
void WeaponInventory::ready() {
// initialize the fallback weapon
this->weapon_parent = cast_to<Node3D>(get_node(NodePath("%PlayerCamera")));
if (this->fallback_weapon_scene.is_valid()) {
Node *fallback_as_node{ this->fallback_weapon_scene->instantiate() };
this->weapon_parent->add_child(fallback_as_node);
if ((this->fallback_weapon = cast_to<WeaponBase>(fallback_as_node))) {
this->select_weapon(this->fallback_weapon);
} else if(fallback_as_node != nullptr) {
fallback_as_node->queue_free();
}
}
if (this->fallback_weapon == nullptr) {
print_error("WeaponInventory::ready(): fallback weapon is invalid, expect unintended behaviour.");
}
}
void WeaponInventory::_notification(int what) {
if (Engine::get_singleton()->is_editor_hint()) {
return;
}
switch (what) {
default:
return;
case NOTIFICATION_READY:
ready();
return;
}
}
void WeaponInventory::set_fallback_weapon(Ref<PackedScene> scene) {
this->fallback_weapon_scene = scene;
}
Ref<PackedScene> WeaponInventory::get_fallback_weapon() const {
return this->fallback_weapon_scene;
}
void WeaponInventory::select_weapon(WeaponBase *new_weapon) {
if (new_weapon == nullptr) {
new_weapon = this->fallback_weapon;
}
if (this->current_weapon != nullptr) {
this->current_weapon->set_process_mode(PROCESS_MODE_DISABLED);
this->current_weapon->set_visible(false);
}
this->current_weapon = new_weapon;
if (new_weapon != nullptr) {
this->current_weapon->set_process_mode(PROCESS_MODE_PAUSABLE);
this->current_weapon->set_visible(true);
this->current_weapon->notify_selected();
if (new_weapon == this->weapons[0]) {
this->current = 0;
} else if (new_weapon == this->weapons[1]) {
this->current = 1;
} else {
print_error("WeaponInventory::select_weapon: Attempt to select weapon that is not in inventory");
}
}
}
WeaponBase *WeaponInventory::get_current_weapon() const {
return this->current_weapon;
}
void WeaponInventory::pickup_weapon(Ref<PackedScene> weapon_scene) {
Node *weapon_as_node{ weapon_scene->instantiate() };
if (WeaponBase *weapon{ cast_to<WeaponBase>(weapon_as_node) }) {
if (this->weapons[0] == nullptr) {
this->weapons[0] = weapon;
select_weapon(weapon);
return;
} else if (this->weapons[1] == nullptr) {
this->weapons[1] = weapon;
select_weapon(weapon);
return;
} else {
this->current_weapon->queue_free();
this->weapons[this->current] = weapon;
this->current_weapon = nullptr;
select_weapon(weapon);
}
} else if (weapon_as_node != nullptr) {
weapon_as_node->queue_free();
}
}