9 files changed, 192 insertions, 0 deletions
diff --git a/game/coins/CoinData.h b/game/coins/CoinData.h
new file mode 100644
index 0000000..09b3448
--- /dev/null
+++ b/game/coins/CoinData.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "types.h"
+#include <string>
+
+struct CoinData{
+	crepe::vec2 start_location = {0,0};
+	std::string name = "";
+	bool active = false;
+	CoinData(crepe::vec2 start_location) : start_location(start_location),name(""), active(false) {}
+};
diff --git a/game/coins/CoinSubScene.cpp b/game/coins/CoinSubScene.cpp
new file mode 100644
index 0000000..12ddb7a
--- /dev/null
+++ b/game/coins/CoinSubScene.cpp
@@ -0,0 +1,35 @@
+#include "CoinSubScene.h"
+#include "api/Animator.h"
+#include "api/CircleCollider.h"
+#include "api/Rigidbody.h"
+#include "api/Scene.h"
+#include "api/AudioSource.h"
+#include <concepts>
+
+using namespace crepe;
+using namespace std;
+
+int CoinSubScene::create(Scene & scn){
+	vec2 size = {20, 20};
+
+	static int coin_counter = 0;
+	std::string unique_name = "coin_" + std::to_string(coin_counter++);
+
+
+	GameObject coin = scn.new_object(unique_name.c_str(),"coin",vec2{0,0},0,1);
+	coin.add_component<Rigidbody>(Rigidbody::Data{});
+	coin.add_component<CircleCollider>(size.x / 2).active = false;
+	crepe::OptionalRef<crepe::Sprite> coin_sprite = coin.add_component<Sprite>(Asset{"asset/coin/coin1_TVOS.png"}, Sprite::Data{
+																   .sorting_in_layer = 100,
+																	 .order_in_layer = 100,
+																   .size = size,
+															   });
+	// coin_sprite->active = false;
+	coin.add_component<Animator>(coin_sprite, ivec2{32, 32}, uvec2{8, 1},
+								 Animator::Data{
+									 .fps = 15, 
+									 .looping = true,
+								 }); 
+	coin.add_component<AudioSource>(Asset{"asset/sfx/coin_pickup_1.ogg"});
+	return coin_counter;
+}
diff --git a/game/coins/CoinSubScene.h b/game/coins/CoinSubScene.h
new file mode 100644
index 0000000..f85f427
--- /dev/null
+++ b/game/coins/CoinSubScene.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <crepe/api/GameObject.h>
+
+namespace crepe {
+class Scene;
+}
+
+class CoinSubScene {
+public:
+	int create(crepe::Scene & scn);
+};
diff --git a/game/coins/CoinSystem.cpp b/game/coins/CoinSystem.cpp
new file mode 100644
index 0000000..4474195
--- /dev/null
+++ b/game/coins/CoinSystem.cpp
@@ -0,0 +1,81 @@
+#include "CoinSystem.h"
+#include "CoinSubScene.h"
+#include "api/CircleCollider.h"
+#include "api/Metadata.h"
+#include "api/Script.h"
+#include "api/Sprite.h"
+#include "api/Transform.h"
+#include "types.h"
+
+using namespace crepe;
+using namespace std;
+
+std::vector<CoinData> CoinSystem::coin_locations;
+
+void CoinSystem::create_coins(crepe::Scene & scn) {
+	CoinSubScene coin;
+	while(coin.create(scn) < this->MAXIMUM_AMOUNT);
+}
+
+void CoinSystem::add_location(const crepe::vec2& location){
+	coin_locations.push_back(CoinData(location));
+}
+
+void CoinSystem::remove_location(const std::string& name){
+	auto it = std::find_if(coin_locations.begin(), coin_locations.end(),
+				[&name](const CoinData& data) {
+					return data.name == name;
+				});
+
+	// If a match is found, erase
+	if (it != coin_locations.end()) {
+		coin_locations.erase(it);
+	}
+}
+
+
+void CoinSystem::update(float position, RefVector<Sprite> coin_sprites, RefVector<CircleCollider> coin_colliders, RefVector<Metadata> coin_metadatas) {
+	for (auto& coin : coin_locations) {
+		if (!coin.active) {
+			if (coin.start_location.x > SPAWN_DISTANCE + position && coin.start_location.x < SPAWN_AREA + SPAWN_DISTANCE + position) {
+					
+				// Local variables to hold the matching coin data
+				Metadata* coin_metadata = nullptr;
+				CircleCollider* coin_collider = nullptr;
+				
+				// Iterate over the sprites to find the matching one
+				for (Sprite& coin_sprite : coin_sprites) {
+					if (!coin_sprite.active) {
+						// Find the matching Metadata
+						for (Metadata& coin_metadata_unkown : coin_metadatas) {
+							if (coin_metadata_unkown.game_object_id == coin_sprite.game_object_id) {
+								coin_metadata = &coin_metadata_unkown;
+								// No need to continue searching
+								break; 
+							}
+						}
+							
+						// Find the matching CircleCollider
+						for (CircleCollider& coin_collider_unkown : coin_colliders) {
+							if (coin_collider_unkown.game_object_id == coin_sprite.game_object_id) {
+								coin_collider = &coin_collider_unkown;
+								// No need to continue searching
+								break;
+							}
+						}
+
+						// If we found both the metadata and collider, activate the coin
+						if (coin_metadata && coin_collider) {
+							coin.name = coin_metadata->name;
+							coin.active = true;
+							coin_sprite.active = true;
+							coin_collider->active = true;
+							break;
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
diff --git a/game/coins/CoinSystem.h b/game/coins/CoinSystem.h
new file mode 100644
index 0000000..93cbf98
--- /dev/null
+++ b/game/coins/CoinSystem.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "CoinData.h"
+#include "api/Scene.h"
+#include "api/Script.h"
+#include "api/Sprite.h"
+#include "types.h"
+#include <string>
+#include <vector>
+
+class CoinSystem {
+public:
+	void create_coins(crepe::Scene & scn);
+	void add_location(const crepe::vec2& location);
+	void remove_location(const std::string& name);
+	void update(float position,crepe::RefVector<crepe::Sprite> coin_sprites,crepe::RefVector<crepe::CircleCollider> coin_colliders,crepe::RefVector<crepe::Metadata> coin_metadatas);
+private:
+	static constexpr float SPAWN_DISTANCE = 200;
+	static constexpr float SPAWN_AREA = 50;
+	static constexpr int MAXIMUM_AMOUNT = 100;
+	static std::vector<CoinData> coin_locations;
+};
diff --git a/game/coins/CoinSystemScript.cpp b/game/coins/CoinSystemScript.cpp
new file mode 100644
index 0000000..90405a8
--- /dev/null
+++ b/game/coins/CoinSystemScript.cpp
@@ -0,0 +1,18 @@
+#include "CoinSystemScript.h"
+#include "CoinSystem.h"
+#include "api/CircleCollider.h"
+#include "api/Metadata.h"
+#include "api/Transform.h"
+
+using namespace crepe;
+using namespace std;
+
+void CoinSystemScript::frame_update(crepe::duration_t dt)
+{
+	float position = this->get_component<Transform>().position.x;
+	RefVector<Sprite> coin_sprites = this->get_components_by_tag<Sprite>("coin");
+	RefVector<CircleCollider> coin_colliders = this->get_components_by_tag<CircleCollider>("coin");
+	RefVector<Metadata> coin_metadatas = this->get_components_by_tag<Metadata>("coin");
+	this->coin_system.update(position, coin_sprites, coin_colliders, coin_metadatas);	
+}
+
diff --git a/game/coins/CoinSystemScript.h b/game/coins/CoinSystemScript.h
new file mode 100644
index 0000000..96744f1
--- /dev/null
+++ b/game/coins/CoinSystemScript.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include "CoinSystem.h"
+#include "api/Script.h"
+
+class CoinSystemScript : public crepe::Script {
+public:
+	CoinSystemScript() {};
+	// void init() override;
+	void frame_update(crepe::duration_t dt) override;
+private:
+	CoinSystem coin_system;
+};
diff --git a/game/coins/coinSubScene.cpp b/game/coins/coinSubScene.cpp
deleted file mode 100644
index e69de29..0000000
--- a/game/coins/coinSubScene.cpp
+++ /dev/null
diff --git a/game/coins/coinSubScene.h b/game/coins/coinSubScene.h
deleted file mode 100644
index e69de29..0000000
--- a/game/coins/coinSubScene.h
+++ /dev/null