Zeronaut/BeagleRescue
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BeagleRescue/src/game/Game.cpp

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/*
* Game.cpp
*
* Created on: Feb 9, 2020
* Author: ayoungblood
* Special Thanks to: Carl Birch of Let's Make Games
* Nic Allen
* Brian Lhota
*/
#include "Game.hpp"
#include "../assetmgr/TextureManager.h"
#include "../assetmgr/Map.h"
#include "../ecs/Components.h"
#include "Collision.h"
#include <string>
#include <iostream>
#include <fstream>
#include <sstream>
#include "../assetmgr/AssetManager.h"
#include "../ui/UIText.h"
#include "../ui/UINineSlice.h"
#include "../cjson/cJSON.h"
Map* map;
Manager manager;
UIText* text;
UINineSlice* my9Slice;
UIText* scoreboardText;
UINineSlice* scoreboard9Slice;
UINineSlice* debugBox;
UIText* debugStaticText;
UIText* debugdynamicText;
GameStateManager* Game::gsm = new GameStateManager();
SDL_Renderer* Game::renderer = nullptr;
SDL_Event Game::event;
SDL_Rect Game::camera;
AssetManager* Game::assets = new AssetManager(&manager);
bool Game::isRunning = false;
bool Game::debugMenu = false;
auto& player(manager.addEntity());
// auto& enemy(manager.addEntity());
auto& puppy(manager.addEntity());
// auto& scoreboard(manager.addEntity());
auto& uiInfo(manager.addEntity());
bool Game::debugCollisionBoxes = false;
bool Game::gravityOnPlayer = true;
bool Game::playerIsGrounded = false;
int gScale = 0;
int last_time;
int current_time;
int diff_time;
Game::Game() {
// TODO Auto-generated constructor stub
}
Game::~Game() {
// TODO Auto-generated destructor stub
}
void Game::init(const char *title, int width, int height, bool fullscreen, int globalScale)
{
camera = { 0, 0, width, height };
int flags = 0;
gScale = globalScale;
if(fullscreen)
{
flags = SDL_WINDOW_FULLSCREEN;
}
if(SDL_Init(SDL_INIT_EVERYTHING) == 0)
{
window = SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, flags);
if(!window)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,"Couldn't create window: %s", SDL_GetError());
}
renderer = SDL_CreateRenderer(window, -1, 0);
if(!renderer)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s", SDL_GetError());
isRunning = false;
}
else
{
SDL_SetRenderDrawColor(renderer, 255,255,255,255);
SDL_SetHint(SDL_HINT_RENDER_VSYNC, "1");
isRunning = true;
}
//Initialize SDL_mixer
if (Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 2048)<0)
{
SDL_LogError(SDL_LOG_CATEGORY_ERROR, "Couldn't initialize SDL audio mixer!, Error: %s", SDL_GetError());
}
// current_time = SDL_GetTicks();
assets->AddTexture("terrain", "assets/textures/tiles/br-tiles.png");
assets->AddTexture("player", "assets/textures/actors/firefighter.png");
assets->AddTexture("font", "assets/textures/ui/ui-font-cloud-sans.png");
assets->AddTexture("textBox", "assets/textures/ui/ui-element-cloud.png");
assets->AddTexture("puppy","assets/textures/actors/beaglepuppy.png");
assets->AddMusicTrack("simonZ","assets/audio/music/sillypuppy.ogg");
assets->AddMusicTrack("simonZ","assets/audio/music/victory.ogg");
assets->AddSoundClip("bwoop","assets/audio/sfx/bwoop.wav");
assets->AddSoundClip("bark1","assets/audio/sfx/Bark1.wav");
assets->AddSoundClip("bark2","assets/audio/sfx/Bark2.wav");
map = new Map("terrain",globalScale,16);
// std::string myText = "Find lost puppies!\nThey need your help!";
std::string myText = "Press U to Start";
text = new UIText(myText, "font", 0, 0, 8, 12, globalScale);
text->ParseString(myText, 12, 22, globalScale, "text");
SDL_Rect myDestRect = SDL_Rect();
myDestRect.x = 12;
myDestRect.y = 8;
myDestRect.w = 160;
myDestRect.h = 40;
my9Slice = new UINineSlice("textBox");
my9Slice->MakeSlices("textBox",32,32,14,16,14,16,myDestRect,globalScale);
// debug UI box
std::string debugStaticString = "Debug info";
debugStaticText = new UIText(debugStaticString, "font", 0,0,8,12,1);
text->ParseString(debugStaticString,240*globalScale,44,1,"debug");
SDL_Rect debugBoxRect = SDL_Rect();
debugBoxRect.x = 240*globalScale;
debugBoxRect.y = 8*globalScale;
debugBoxRect.w = 80*globalScale;
debugBoxRect.h = 80*globalScale;
debugBox = new UINineSlice("textBox");
debugBox->MakeSlices("textBox",32,32,14,16,14,16,debugBoxRect,1);
//ecs implementation
map->LoadMap("assets/maps/br-map-color.txt",70,45, globalScale);
player.addComponent<TransformComponent>(860*globalScale,630*globalScale,22,42,globalScale);
// player.addComponent<TransformComponent>(150*globalScale,80*globalScale,40,40,globalScale);
player.addComponent<SpriteComponent>("player", SpriteComponent::spriteAnimation, "assets/textures/actors/firefighter.json");
player.addComponent<KeyboardController>();
player.addComponent<ColliderComponent>("player",8*globalScale,8*globalScale, true, 7*globalScale,36*globalScale);
player.addGroup(groupPlayers);
puppy.addComponent<TransformComponent>(1024*globalScale,210*globalScale,36,30,globalScale);
puppy.addComponent<SpriteComponent>("puppy", SpriteComponent::spriteObject);
puppy.addGroup(groupObjects);
// const char* strA = "r";
// const char* strB = "r";
//
// if (strcmp(strA,strB)==0)
// {
// printf("strcomp evaluated to true");
// } else {
// printf("strcomp false or not evaluated");
// }
// enemy.addComponent<TransformComponent>(180*globalScale,180*globalScale,32,32,globalScale);
// enemy.addComponent<SpriteComponent>("robber", SpriteComponent::spriteAnimation, "assets/textures/actors/robberrodent.json");
// enemy.addGroup(groupEnemies);
} else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't Initialize SDL: %s", SDL_GetError());
isRunning = false;
}
}
//camera.x = camera.x*globalScale;
auto& tiles(manager.getGroup(Game::groupMap));
auto& players(manager.getGroup(Game::groupPlayers));
auto& colliders(manager.getGroup(Game::groupColliders));
auto& objects(manager.getGroup(Game::groupObjects));
// auto& enemies(manager.getGroup(Game::groupEnemies));
// auto& projectiles(manager.getGroup(Game::groupProjectiles));
auto& gui(manager.getGroup(Game::groupUI_Layer0));
auto& uiText(manager.getGroup(Game::groupUI_Layer1));
void Game::handleEvents()
{
SDL_PollEvent(&event);
switch (event.type)
{
case SDL_QUIT:
isRunning = false;
break;
default:
break;
}
}
void Game::update()
{
SDL_Rect playerCol = player.getComponent<ColliderComponent>().collider;
Vector2D playerPos = player.getComponent<TransformComponent>().position;
// if (gsm->currentState == GameStateManager::ST_INIT)
// {
// const char* initText = "Loading...";
// text->ParseString(initText,12,22,gScale,"init");
// const char* titleText = "Beagle Rescue";
// const char* gameOverText = "Game Over";
// }
if (Mix_PlayingMusic() == 0 && gsm->currentState == GameStateManager::ST_COREGAME)
{
// std::cout << "Play Music Now" << std::endl;
Mix_PlayMusic(assets->GetMusicTrack("simonZ"), -1);
}
if (Mix_PlayingMusic() != 0 && gsm->currentState != GameStateManager::ST_COREGAME)
{
Mix_HaltMusic();
}
// if (Mix_PlayChannel(-1, Game::assets->GetSoundClip("bark1"),0) == 0)
// {
// Mix_PlayChannel(-1, Game::assets->GetSoundClip("bark1"),0);
// }
manager.refresh();
manager.update();
for (auto& c : colliders)
{
SDL_Rect cCol = c->getComponent<ColliderComponent>().collider;
if(Collision::AABB(cCol, playerCol))
{
// printDebug("Collision Detected");
// printf("Collision Stats:\nPlayer Center\nx: %d\ny: %d\nObjectCollider Center\nx: %d\ny: %d\n",(playerCol.x+playerCol.w/2)/gScale,(playerCol.y+playerCol.h/2)/gScale,(cCol.x+cCol.w/2)/gScale,(cCol.y+cCol.h/2)/gScale);
// printDebug("");
if(!playerIsGrounded){
player.getComponent<SpriteComponent>().Play("Idle");
}
gravityOnPlayer = false;
playerIsGrounded = true;
}
}
// Gravity
if (gravityOnPlayer){
player.getComponent<TransformComponent>().position.y += 10;
}
// for(auto& p: projectiles)
// {
// if(Collision::AABB(player.getComponent<ColliderComponent>().collider, p->getComponent<ColliderComponent>().collider))
// {
// std::cout << "Projectile hit player" << std::endl;
// p->destroy();
// }
// }
camera.x = player.getComponent<TransformComponent>().position.x - camera.w/2;
camera.y = player.getComponent<TransformComponent>().position.y - camera.h/2;
if(camera.x < 0)
camera.x = 0;
if (camera.y < 0)
camera.y = 0;
if (camera.x > map->width-camera.w)
camera.x = map->width-camera.w;
if (camera.y > map->height-camera.h)
camera.y = map->height-camera.h;
}
void Game::render()
{
SDL_RenderClear(renderer);
// if (gsm->currentState==GameStateManager::ST_COREGAME)
// {
// printf("Core Game state\n");
// }
for (auto& t : tiles)
{
t->draw();
}
if (Game::debugCollisionBoxes)
{
for (auto& c : colliders)
{
c->draw();
}
}
for (auto& o : objects)
{
o->draw();
}
//
// for (auto& e : enemies)
// {
// e->draw();
// }
for (auto& p : players)
{
p->draw();
}
if (gsm->currentState==GameStateManager::ST_TITLESCREEN||gsm->currentState==GameStateManager::ST_INIT||gsm->currentState==GameStateManager::ST_GAMEOVER){
for (auto& guiElement : gui)
{
guiElement->draw();
}
for (auto& letter : uiText)
{
letter->draw();
}
}
SDL_RenderPresent(renderer);
}
void Game::clean()
{
SDL_DestroyWindow(window);
SDL_DestroyRenderer(renderer);
IMG_Quit();
Mix_Quit();
SDL_Quit();
printf("Game Cleaned\n");
}
std::string previousMessage = "";
void Game::printDebug(std::string debugInfo)
{
if (previousMessage != debugInfo)
{
std::cout << debugInfo;
printf("\n");
}
previousMessage = debugInfo;
}
void Game::drawLine(Vector2D srcpt, Vector2D destpt, int red, int green, int blue)
{
SDL_SetRenderDrawColor(renderer, red, green, blue, 255);
SDL_RenderDrawLine(renderer, srcpt.x, srcpt.y, destpt.x, destpt.y);
}
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