1 files changed, 105 insertions, 0 deletions
diff --git a/game/missile/MissileScript.cpp b/game/missile/MissileScript.cpp
new file mode 100644
index 0000000..6d0e40e
--- /dev/null
+++ b/game/missile/MissileScript.cpp
@@ -0,0 +1,105 @@
+#include "MissileScript.h"
+#include "../Config.h"
+#include "api/BehaviorScript.h"
+
+#include <crepe/api/Animator.h>
+#include <crepe/api/AudioSource.h>
+#include <crepe/api/Transform.h>
+#include <crepe/system/CollisionSystem.h>
+#include <crepe/types.h>
+
+#include <cmath>
+#include <crepe/api/AI.h>
+#include <crepe/api/KeyCodes.h>
+#include <crepe/api/Sprite.h>
+
+using namespace std;
+using namespace crepe;
+
+void MissileScript::init() {
+	subscribe<CollisionEvent>([this](const CollisionEvent & ev) -> bool {
+		return this->on_collision(ev);
+	});
+	this->seeking_disabled = false;
+}
+void MissileScript::kill_missile() {
+	auto animations = this->get_components<Animator>();
+	auto sprites = this->get_components<Sprite>();
+	auto & fly_sound = this->get_components<AudioSource>().front().get();
+	auto & this_script = this->get_components<BehaviorScript>().back().get();
+
+	animations[0].get().active = false;
+	animations[1].get().active = false;
+	animations[2].get().active = true;
+	sprites[0].get().active = false;
+	sprites[1].get().active = false;
+	sprites[2].get().active = true;
+
+	this_script.active = false;
+	this->seeking_disabled = false;
+
+	fly_sound.stop();
+}
+void MissileScript::activate() {
+	auto anim = this->get_components<Animator>();
+	auto sprites = this->get_components<Sprite>();
+
+	anim[0].get().active = true;
+	anim[1].get().active = true;
+	anim[2].get().stop();
+	sprites[0].get().active = true;
+	sprites[1].get().active = true;
+	sprites[2].get().active = false;
+}
+
+bool MissileScript::on_collision(const CollisionEvent & ev) {
+	auto & explosion_sound = this->get_components<AudioSource>().back().get();
+
+	this->kill_missile();
+	explosion_sound.play();
+
+	return false;
+}
+
+bool MissileScript::is_in_x_range(const Transform & missile, const Transform & player) {
+	return fabs(missile.position.x - player.position.x) <= this->X_RANGE;
+}
+
+void MissileScript::fixed_update(crepe::duration_t dt) {
+	auto & explosion_anim = this->get_components<Animator>().back().get();
+	auto & missile = this->get_component<Transform>();
+	auto & m_ai = this->get_component<AI>();
+
+	const auto & player = this->get_components_by_name<Transform>("player").front().get();
+	const auto & cam = this->get_components_by_name<Transform>("camera").front().get();
+	const auto & velocity = this->get_component<Rigidbody>().data.linear_velocity;
+
+	if (missile.position.x < (cam.position.x - VIEWPORT_X / 1.8)) {
+		this->kill_missile();
+		return;
+	}
+
+	// check if animation is at the end
+	if (explosion_anim.data.row == 7) {
+		this->activate();
+		this->seeking_disabled = false;
+	}
+
+	if (this->seeking_disabled) {
+		m_ai.seek_off();
+	} else {
+		m_ai.seek_target = player.position;
+		m_ai.seek_on();
+
+		if (is_in_x_range(missile, player)) {
+			this->seeking_disabled = true;
+			m_ai.seek_off();
+		}
+	}
+
+	vec2 angle_pos = velocity;
+	float angle = atan2(angle_pos.y, angle_pos.x) * (180 / M_PI);
+
+	missile.rotation = angle;
+	missile.position += velocity * dt.count();
+}