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-rw-r--r--src/game.cpp254
1 files changed, 254 insertions, 0 deletions
diff --git a/src/game.cpp b/src/game.cpp
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index 0000000..208aa01
--- /dev/null
+++ b/src/game.cpp
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+#include "game.h"
+#include "graphics.h"
+#include "config.h"
+#include "player.h"
+#include "gameobject.h"
+#include "enemy.h"
+#include "kamikaze.h"
+#include "explosion.h"
+#include "shot.h"
+
+#include <cmath>
+#include <ctime>
+#include <random>
+
+using namespace std;
+
+Game::Game(){
+
+ graphics::setFont(string(ASSET_PATH) + "font.otf");
+ graphics::playMusic(string(ASSET_PATH) + "menu.mp3", 0.1f, true, 0);
+
+ last_enemy_spawn_time = 0;
+ last_kamikaze_spawn_time = 0;
+ game_state = 0;
+ object_counter = 0;
+ pressed_space = 0;
+
+}
+
+Game::~Game(){
+
+}
+
+void Game::update(){
+
+ switch(game_state){
+ case 0:
+ updateStartScreen();
+ break;
+ case 1:
+ updateGame();
+ break;
+ case 2:
+ updateGameOverScreen();
+ break;
+ }
+}
+
+void Game::draw(){
+
+ graphics::Brush br;
+ br.texture = std::string(ASSET_PATH) + "background.png";
+ br.outline_opacity = 0.0f;
+ float offset = fmod(graphics::getGlobalTime(), WINDOW_HEIGHT);
+
+ graphics::drawRect(WINDOW_WIDTH/2, WINDOW_HEIGHT/2 + offset, WINDOW_WIDTH, WINDOW_HEIGHT, br);
+ graphics::drawRect(WINDOW_WIDTH/2, -WINDOW_HEIGHT/2 + offset, WINDOW_WIDTH, WINDOW_HEIGHT, br);
+
+ switch(game_state){
+ case 0:
+ drawStartScreen();
+ break;
+ case 1:
+ drawGame();
+ break;
+ case 2:
+ drawGameOverScreen();
+ break;
+ }
+
+}
+
+void Game::addObject(GameObject * object){
+ game_objects[object_counter] = object;
+ object_counter++;
+}
+
+void Game::updateStartScreen(){
+
+ if (graphics::getKeyState(graphics::SCANCODE_SPACE) && graphics::getGlobalTime() > pressed_space + 200){
+
+ game_state = 1;
+ game_time_started = graphics::getGlobalTime();
+ player = new Player(WINDOW_WIDTH/2, WINDOW_HEIGHT*3/4, 100, 100, 90, "ship", 0.7f);
+
+ }
+
+}
+
+void Game::drawStartScreen(){
+
+ graphics::Brush br;
+ br.fill_color[0] = 1.f;
+ br.fill_color[1] = 1.f;
+ br.fill_color[2] = 0.f;
+
+ graphics::drawText(140, 100, 40, "Star Wars", br);
+
+ br.fill_opacity = 0.5f + 0.5f * sinf(graphics::getGlobalTime()/200);
+ graphics::drawText(130, WINDOW_HEIGHT-100, 20, "Press SPACE to start", br);
+
+ br.texture = string(ASSET_PATH) + "ship.png";
+ br.outline_opacity = 0.f;
+ br.fill_opacity = 1.0f;
+ br.fill_color[2] = 1.f;
+ graphics::drawRect(WINDOW_WIDTH/2, WINDOW_HEIGHT/2, 200, 200, br);
+
+}
+
+void Game::updateGame(){
+
+ score = ( graphics::getGlobalTime() - game_time_started )/100 ;
+
+ if(graphics::getGlobalTime() > last_enemy_spawn_time + max(3000 - score, 1000)){
+
+ srand((unsigned int)time(NULL));
+ addObject(new Enemy(rand() % 400 + 50, 0 , 70, 70, -90, "enemy", 0.3f));
+ last_enemy_spawn_time = graphics::getGlobalTime();
+
+ }
+
+ if(graphics::getGlobalTime() > last_kamikaze_spawn_time + max(5000 - score, 2000)){
+
+ srand((unsigned int)time(NULL));
+ int temp_a[2] = {1 ,-1};
+ int temp_n = temp_a[rand() % 2];
+ addObject(new Kamikaze(250 - temp_n * 400, player -> getPosY(), 100, 100, temp_n * 180, "kamikaze", temp_n * 0.3f));
+ last_kamikaze_spawn_time = graphics::getGlobalTime();
+
+ }
+
+ for(int i=0;i<object_counter;++i){
+
+ if(game_objects[i] -> collidable()){
+
+ if(checkCollision(player, game_objects[i])){
+
+ player -> setTerminate(true);
+ addObject(new Explosion(player -> getPosX(), player -> getPosY(), player -> getSizeX(), player -> getSizeY()));
+ game_objects[i] -> setTerminate(true);
+ addObject(new Explosion(game_objects[i] -> getPosX(), game_objects[i] -> getPosY(), game_objects[i] -> getSizeX(), game_objects[i] -> getSizeY()));
+
+ }
+ }
+ }
+
+ for(int i=0;i<object_counter;++i){
+
+ for(int j=i+1;j<object_counter;++j){
+
+ if(game_objects[i] -> collidable() && game_objects[j] -> collidable()){
+
+ if(checkCollision(game_objects[i], game_objects[j])){
+
+ game_objects[i] -> setTerminate(true);
+ addObject(new Explosion(game_objects[i] -> getPosX(), game_objects[i] -> getPosY(), game_objects[i] -> getSizeX(), game_objects[i] -> getSizeY()));
+ game_objects[j] -> setTerminate(true);
+ addObject(new Explosion(game_objects[j] -> getPosX(), game_objects[j] -> getPosY(), game_objects[j] -> getSizeX(), game_objects[j] -> getSizeY()));
+
+ }
+
+ }
+
+ }
+
+ }
+
+ for(int i=0;i<object_counter;++i){
+
+ if(game_objects[i] -> getTerminate()){
+
+ delete game_objects[i];
+ game_objects[i] = nullptr;
+ game_objects[i] = game_objects[--object_counter];
+
+ }
+
+ else game_objects[i] -> update();
+
+ }
+
+ if(player -> getTerminate()){
+
+ delete player;
+
+ for(int i=0;i<object_counter;++i) delete game_objects[i];
+
+ object_counter = 0;
+ game_state = 2;
+
+ srand((unsigned int)time(NULL));
+
+
+ graphics::playSound(string(ASSET_PATH) + to_string(rand()%2) + ".mp3", 1.0f, false);
+
+
+ }
+ else player -> update();
+
+}
+
+void Game::drawGame(){
+
+ graphics::Brush br;
+ br.fill_color[0] = 1.f;
+ br.fill_color[1] = 1.f;
+ br.fill_color[2] = 0.f;
+
+ graphics::drawText(WINDOW_WIDTH/2 - 60, WINDOW_HEIGHT - 50, 25, "Score: " + to_string(score), br);
+
+ for(int i=0;i<object_counter;++i) game_objects[i] -> draw();
+
+ player -> draw();
+
+}
+
+void Game::updateGameOverScreen(){
+ if (graphics::getKeyState(graphics::SCANCODE_SPACE)){
+ game_state = 0;
+ pressed_space = graphics::getGlobalTime();
+ }
+}
+
+void Game::drawGameOverScreen(){
+
+ graphics::Brush br;
+ br.fill_color[0] = 1.f;
+ br.fill_color[1] = 1.f;
+ br.fill_color[2] = 0.f;
+
+ graphics::drawText(110, 200, 50, "Game Over", br);
+ graphics::drawText(170, 400, 30, "Score: "+ to_string(score) , br);
+
+ br.fill_opacity = 0.5f + 0.5f * sinf(graphics::getGlobalTime()/200);
+ graphics::drawText(130, WINDOW_HEIGHT-100, 20, "Press SPACE to restart", br);
+
+
+}
+
+bool Game::checkCollision(GameObject * ob1, GameObject * ob2){
+
+ float pos_x1, pos_y1;
+ float pos_x2, pos_y2;
+
+ pos_x1 = ob1 -> getPosX();
+ pos_y1 = ob1 -> getPosY();
+ pos_x2 = ob2 -> getPosX();
+ pos_y2 = ob2 -> getPosY();
+
+ if(sqrt( pow(pos_x1 - pos_x2, 2) + pow(pos_y1 - pos_y2, 2) ) < (ob1 -> getRadius() + ob2 -> getRadius())/2) return true;
+
+ return false;
+
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 19:28:04 +0000