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/*
* Fungi
*
* Art generator, inspiration spore from Culture by Charlotte Koch
*
* 2018 Matt Kohls
* GPL v3
*/
#include <vector>
#include <iostream>
#include <stdlib.h>
#include <stdint.h>
#include <SDL2/SDL.h>
/** Important Constants **/
const uint8_t GROWTH_RATE = 4; /* A percent out of 100 */
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;
/** Important Objects **/
/*
* Window Position
* Keeps track of window position
*/
struct Window_Pos {
uint16_t posx;
uint16_t posy;
};
/*
* Window Size
* Keeps track of window size
*/
struct Window_Size {
uint16_t width;
uint16_t height;
};
/*
* Location
* Keeps track of where we are
*/
struct Location {
uint16_t posx;
uint16_t posy;
};
/*
* Color
* Keeps track of the appearance of the fungus
*/
struct Color {
uint8_t red;
uint8_t green;
uint8_t blue;
uint8_t alpha;
};
/*
* Fungus
* More or less just a pixel
*/
class Fungus {
private:
struct Location local;
struct Color color;
uint8_t growthPoints;
uint8_t hp;
public:
Fungus() {}
Fungus(const Location& l, const Color& c) {
local.posx = l.posx;
local.posy = l.posy;
color.red = c.red;
color.green = c.green;
color.blue = c.blue;
color.alpha = c.alpha;
std::cout << "L: " << local.posx << " " << local.posy;
std::cout << "C: " << color.red << " " << color.green << " " << color.blue << std::endl;
}
~Fungus() {}
Location getLocation() const { return local; }
Color getColor() const { return color; }
};
/*
* SDLWindow
* The display into our fungus world
*/
class SDLWindow {
private:
SDL_Window* sdlWindow;
SDL_Renderer* sdlRenderer;
bool bad;
/**
* Log an SDL error with some error message to the output stream of our choice
* @param os The output stream to write the message to
* @param msg The error message to write, format will be msg error: SDL_GetError()
*/
void logSDLError(std::ostream &os, const std::string &msg) {
os << msg << " error: " << SDL_GetError() << std::endl;
}
/**
* Brings up all the SDL objects we will need to draw our window
*
*/
void init(const Window_Pos& winpos, const Window_Size& winsize) {
if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
logSDLError(std::cout, "SDL_Init");
bad = true;
}
sdlWindow = SDL_CreateWindow("Fungi", winpos.posx, winpos.posy,
winsize.width, winsize.height,
SDL_WINDOW_OPENGL);
if (sdlWindow == nullptr){
logSDLError(std::cout, "CreateWindow");
SDL_Quit();
bad = true;
}
sdlRenderer = SDL_CreateRenderer(sdlWindow, -1,
SDL_RENDERER_SOFTWARE);
if (sdlRenderer == nullptr){
logSDLError(std::cout, "CreateRenderer");
SDL_DestroyWindow(sdlWindow);
sdlWindow = nullptr;
SDL_Quit();
bad = true;
}
SDL_SetRenderDrawColor(sdlRenderer, 0, 0, 0, 255);
SDL_RenderClear(sdlRenderer);
SDL_RenderPresent(sdlRenderer);
}
/**
* Draws a fungus on the screen
*
*/
void drawFungus(const Fungus& f) {
Color color = f.getColor();
Location loc = f.getLocation();
SDL_SetRenderDrawColor(sdlRenderer, color.red, color.green, color.blue,
color.alpha);
SDL_RenderDrawPoint(sdlRenderer, loc.posx, loc.posy);
}
public:
SDLWindow() {
bad = false;
init({100, 100}, {SCREEN_WIDTH, SCREEN_HEIGHT});
}
~SDLWindow() {
if(sdlWindow != nullptr) {
SDL_DestroyWindow(sdlWindow);
}
if(sdlRenderer != nullptr) {
SDL_DestroyRenderer(sdlRenderer);
}
SDL_Quit();
}
void doFungus(const std::vector<std::vector<Fungus*> >& dish) {
SDL_Event event;
bool end = false;
while(!end) {
while(SDL_PollEvent(&event)) {
if(event.type == SDL_QUIT) {
end = true;
}
}
for(int i = 0; i < dish.size(); i++) {
for(int j = 0; j < dish[i].size(); j++)
if(dish[i][j] != nullptr) {
drawFungus(*dish[i][j]);
}
}
SDL_RenderPresent(sdlRenderer);
}
}
/**
* Tells if the windows is bad, aka an SDL error
* @return True if window is bad, False if not
*/
bool isBad() const { return bad; }
};
/** Important Functions **/
int main(int argv, char* argc[]) {
srandom(11);
std::vector<std::vector<Fungus*> > dish;
for(int i = 0; i < SCREEN_HEIGHT; i++) {
std::vector<Fungus*> temp;
temp.push_back(new Fungus({0, i}, {i,255 - i,255,255}));
for(int j = 1; j < SCREEN_WIDTH; j++) {
temp.push_back(nullptr);
}
dish.push_back(temp);
}
SDLWindow win;
if(!win.isBad()) {
win.doFungus(dish);
}
for(int i = 0; i < dish.size(); i++) {
for(int j = 0; j < dish[i].size(); j++) {
if(dish[i][j] != nullptr) {
delete dish[i][j];
}
}
}
return 0;
}
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