feat: initialized template and wrote first gameplay code

modules/wave_survival/weapons/rifle.cpp

@@ -0,0 +1,76 @@
+#include "rifle.h"
+#include "scene/animation/animation_player.h"
+#include "wave_survival/player_body.h"
+#include "wave_survival/player_input.h"
+
+void Rifle::_bind_methods() {}
+
+void Rifle::on_primary_fire(bool pressed) {
+	if (pressed && get_anim()->get_queue().size() == 0) {
+		if (this->request_alt_mode) {
+			get_anim()->queue("fire_aim");
+		} else if (get_anim()->get_current_animation() == "") {
+			get_anim()->queue("fire_hip");
+		}
+	}
+}
+
+void Rifle::on_alt_mode(bool alt_mode) {
+	this->request_alt_mode = alt_mode;
+}
+
+void Rifle::on_animation_changed(String new_animation) {
+	if (new_animation == "aim") {
+		this->in_alt_mode = true;
+		get_camera()->set_fov_factor(this->ads_factor);
+	} else if (new_animation == "RESET") {
+		this->in_alt_mode = false;
+		get_camera()->set_fov_factor(1.f);
+	}
+}
+
+void Rifle::ready() {
+	get_anim()->connect("current_animation_changed", callable_mp(this, &self_type::on_animation_changed));
+	PlayerInput *input{ cast_to<PlayerInput>(get_node(NodePath("%PlayerInput"))) };
+	input->connect(PlayerInput::sig_primary_fire, callable_mp(this, &self_type::on_primary_fire));
+	input->connect(PlayerInput::sig_alt_mode, callable_mp(this, &self_type::on_alt_mode));
+
+	get_anim()->animation_set_next("hip_to_aim", "aim");
+	get_anim()->animation_set_next("fire_aim", "aim");
+	get_anim()->animation_set_next("aim_to_hip", "RESET");
+	get_anim()->animation_set_next("fire_hip", "RESET");
+}
+
+void Rifle::process(double delta) {
+	String const current{ get_anim()->get_current_animation() };
+	float const progress{ float(CLAMP(get_anim()->get_current_animation_position() / get_anim()->get_current_animation_length(), 0.0, 1.0)) };
+	if (current == "hip_to_aim") {
+		get_camera()->set_fov_factor(Math::lerp(1.f, this->ads_factor, progress));
+	} else if (current == "aim_to_hip") {
+		get_camera()->set_fov_factor(Math::lerp(this->ads_factor, 1.f, progress));
+	} else if (this->request_alt_mode != this->in_alt_mode && current.is_empty()) {
+		get_anim()->clear_queue();
+		if (this->request_alt_mode) {
+			get_anim()->queue("hip_to_aim");
+		} else {
+			get_anim()->queue("aim_to_hip");
+		}
+	}
+}
+
+void Rifle::_notification(int what) {
+	if (Engine::get_singleton()->is_editor_hint()) {
+		return;
+	}
+	switch (what) {
+		default:
+			return;
+		case NOTIFICATION_READY:
+			set_process(true);
+			ready();
+			return;
+		case NOTIFICATION_PROCESS:
+			process(get_process_delta_time());
+			return;
+	}
+}

modules/wave_survival/weapons/rifle.h

@@ -0,0 +1,26 @@
+#ifndef WEAPONS_RIFLE_H
+#define WEAPONS_RIFLE_H
+
+#include "wave_survival/player_camera.h"
+#include "wave_survival/weapon_base.h"
+class PlayerBody;
+
+class Rifle : public WeaponBase {
+	GDCLASS(Rifle, WeaponBase);
+	static void _bind_methods();
+	void on_primary_fire(bool down);
+	void on_alt_mode(bool alt_mode);
+	void on_animation_changed(String new_anim);
+	void ready();
+	void process(double delta);
+
+public:
+	void _notification(int what);
+
+private:
+	float ads_factor{ 0.5f };
+	bool request_alt_mode{ false };
+	bool in_alt_mode{ false };
+};
+
+#endif // !WEAPONS_RIFLE_H