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#include "CoinSystemScript.h"
#include "CoinPool.h"
#include "api/CircleCollider.h"
#include "api/Metadata.h"
#include "api/Sprite.h"
#include "api/Transform.h"
#include <random>
using namespace crepe;
using namespace std;
void CoinSystemScript::init() {
engine.seed(rd());
}
void CoinSystemScript::add_location(const crepe::vec2& location){
coin_locations.push_back(CoinData(location));
}
float CoinSystemScript::preset_1(const vec2 & begin_position){
vec2 top = {begin_position.x, begin_position.y - (this->ROW_OFFSET_1)};
vec2 bottom = {begin_position.x, begin_position.y + (this->ROW_OFFSET_1)};
// Add locations for the top row
for (int i = 0; i < COLUM_AMOUNT_1; ++i) {
add_location(top);
top.x += this->COLUM_OFFSET_1;
}
// Add locations for the bottom row
bottom.x +=this->COLUM_OFFSET_1 * COLUM_AMOUNT_1;
for (int i = 0; i < COLUM_AMOUNT_1; ++i) {
add_location(bottom);
bottom.x += this->COLUM_OFFSET_1;
}
// Add locations for the next set of the top row
top.x += this->COLUM_OFFSET_1 * COLUM_AMOUNT_1;
for (int i = 0; i < COLUM_AMOUNT_1; ++i) {
add_location(top);
top.x += this->COLUM_OFFSET_1;
}
// Add locations for the next set of the bottom row
bottom.x +=this->COLUM_OFFSET_1 * COLUM_AMOUNT_1;
for (int i = 0; i < COLUM_AMOUNT_1; ++i) {
add_location(bottom);
bottom.x += this->COLUM_OFFSET_1;
}
return bottom.x-begin_position.x;
}
float CoinSystemScript::preset_2(const vec2 & begin_position){
vec2 top = {begin_position.x+this->COLUM_OFFSET_2, begin_position.y - this->ROW_OFFSET_2};
vec2 middle = begin_position;
vec2 bottom = {begin_position.x+this->COLUM_OFFSET_2, begin_position.y + this->ROW_OFFSET_2};
// Add locations for the next set of the bottom row
for (int i = 0; i < COLUM_AMOUNT_2-2; ++i) {
add_location(bottom);
bottom.x += this->COLUM_OFFSET_2;
}
// Add locations for the next set of the middle row
for (int i = 0; i < COLUM_AMOUNT_2; ++i) {
add_location(middle);
middle.x += this->COLUM_OFFSET_2;
}
// Add locations for the next set of the top row
for (int i = 0; i < COLUM_AMOUNT_2-2; ++i) {
add_location(top);
top.x += this->COLUM_OFFSET_2;
}
return middle.x-begin_position.x;
}
float CoinSystemScript::preset_3(const vec2 & begin_position){
vec2 location = {begin_position.x, begin_position.y - (this->ROW_OFFSET_3)};
// Add locations for the top row
for (int i = 0; i < COLUM_AMOUNT_3; ++i) {
add_location(location);
location.x += this->COLUM_OFFSET_3;
}
// Add locations for the bottom row
location.y +=this->ROW_OFFSET_3;
location.x += this->COLUM_OFFSET_3;
for (int i = 0; i < COLUM_AMOUNT_3; ++i) {
add_location(location);
location.x += this->COLUM_OFFSET_3;
}
// Add locations for the next set of the top row
location.y +=this->ROW_OFFSET_3;
location.x += this->COLUM_OFFSET_3;
for (int i = 0; i < COLUM_AMOUNT_3; ++i) {
add_location(location);
location.x += this->COLUM_OFFSET_3;
}
return location.x-begin_position.x;
}
float CoinSystemScript::preset_4(const vec2 & begin_position){
vec2 location = {begin_position.x, begin_position.y + (this->ROW_OFFSET_4)};
// Add locations for the top row
for (int i = 0; i < COLUM_AMOUNT_4; ++i) {
add_location(location);
location.x += this->COLUM_OFFSET_4;
}
// Add locations for the bottom row
location.y -=this->ROW_OFFSET_4;
location.x += this->COLUM_OFFSET_4;
for (int i = 0; i < COLUM_AMOUNT_4; ++i) {
add_location(location);
location.x += this->COLUM_OFFSET_4;
}
// Add locations for the next set of the top row
location.y -=this->ROW_OFFSET_4;
location.x += this->COLUM_OFFSET_4;
for (int i = 0; i < COLUM_AMOUNT_4; ++i) {
add_location(location);
location.x += this->COLUM_OFFSET_4;
}
return location.x-begin_position.x;
}
float CoinSystemScript::preset_5(const vec2 & begin_position){
vec2 location = {begin_position.x, begin_position.y-ROW_OFFSET_5/2};
for (int i = 0; i < COLUM_AMOUNT_5; ++i){
add_location(location);
location.x += this->COLUM_OFFSET_5;
}
return location.x-begin_position.x;
}
void CoinSystemScript::frame_update(crepe::duration_t dt)
{
this->despawn_coins();
this->generate_locations();
this->spawn_coins();
}
void CoinSystemScript::despawn_coins() {
// Get the current x-position of the CoinSystem's Transform component
float position = this->get_component<Transform>().position.x;
// Retrieve all active coin sprites tagged as "coin"
RefVector<Sprite> coin_sprites = this->get_components_by_tag<Sprite>("coin");
for (Sprite& coin_sprite : coin_sprites) {
if (!coin_sprite.active) continue; // Skip inactive sprites
// Retrieve the corresponding Transform, Metadata, and CircleCollider components
Transform& coin_transform = this->get_components_by_id<Transform>(coin_sprite.game_object_id).front().get();
Metadata& coin_metadata = this->get_components_by_id<Metadata>(coin_sprite.game_object_id).front().get();
CircleCollider& coin_collider = this->get_components_by_id<CircleCollider>(coin_sprite.game_object_id).front().get();
// Check if the coin is out of bounds based on DESPAWN_DISTANCE
if (coin_transform.position.x < position - this->DESPAWN_DISTANCE) {
// Find the coin in the coin_locations vector using its name
auto it = std::find_if(
coin_locations.begin(),
coin_locations.end(),
[&coin_metadata](const CoinData& data) {
return data.name == coin_metadata.name;
}
);
// If a match is found, erase it from coin_locations
if (it != coin_locations.end()) {
coin_locations.erase(it);
coin_sprite.active = false;
coin_collider.active = false;
}
}
}
}
void CoinSystemScript::spawn_coins(){
// Get the current x-position of the CoinSystem's Transform component
float position = this->get_component<Transform>().position.x;
// Iterate through the list of coin locations
for (auto& coin : coin_locations) {
// Skip this coin if it is already active
if (coin.active)continue;
// Skip this coin if it is not within the defined spawn area
if (coin.start_location.x < this->SPAWN_DISTANCE + position || coin.start_location.x > this->SPAWN_AREA + this->SPAWN_DISTANCE + position) continue;
// Retrieve all sprites tagged as "coin"
RefVector<Sprite> coin_sprites = this->get_components_by_tag<Sprite>("coin");
// Check for an available (inactive) coin sprite
for (Sprite& coin_sprite : coin_sprites) {
// Skip this sprite if it is already active
if (coin_sprite.active) continue;
// Found an available (inactive) coin sprite
// Retrieve its associated components
Transform & coin_transform = this->get_components_by_id<Transform>(coin_sprite.game_object_id).front().get();
Metadata & coin_metadata = this->get_components_by_id<Metadata>(coin_sprite.game_object_id).front().get();
CircleCollider & coin_collider = this->get_components_by_id<CircleCollider>(coin_sprite.game_object_id).front().get();
// Assign data and set active
coin.name = coin_metadata.name;
coin.active = true;
coin_sprite.active = true;
coin_collider.active = true;
coin_transform.position = coin.start_location;
// Break out of the inner loop since we've assigned this coin to an available sprite
break;
}
}
}
void CoinSystemScript::generate_locations(){
float position = this->get_component<Transform>().position.x;
if(position + SPAWN_DISTANCE + SYSTEM_POSITION_OFFSET < this->system_position) return;
std::discrete_distribution<int> dist(weights.begin(), weights.end());
int selected_index = dist(engine);
std::uniform_real_distribution<float> space_dist(SPAWN_SPACING_MIN, SPAWN_SPACING_MAX);
float spacing = space_dist(engine);
// Call the corresponding function and return the new x position
this->system_position += functions[selected_index]({this->system_position,0});
this->system_position += spacing;
}
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