From 43394c8a8908442982e3a7e25975c31b3c952923 Mon Sep 17 00:00:00 2001 From: Nikolas Date: Sun, 27 Oct 2024 12:52:55 +0200 Subject: root --- src/game.cpp | 254 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 254 insertions(+) create mode 100644 src/game.cpp (limited to 'src/game.cpp') diff --git a/src/game.cpp b/src/game.cpp new file mode 100644 index 0000000..208aa01 --- /dev/null +++ b/src/game.cpp @@ -0,0 +1,254 @@ +#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 +#include +#include + +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 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 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 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 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 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 -- cgit v1.2.3