main.c

#include <SDL2/SDL.h>
#include <stdbool.h>

SDL_Window *window = NULL;
SDL_Renderer *renderer = NULL;
SDL_Rect squareOne;
SDL_Rect squareTwo;
SDL_Rect squareThree;
SDL_Rect squareFour;

// Bright colors
int red[3] = {255, 0, 0};
int green[3] = {0, 255, 0};
int blue[3] = {0, 0, 255};
int yellow[3] = {255, 255, 0};

// Dim colors
int redDim[3] = {50, 0, 0};
int greenDim[3] = {0, 50, 0};
int blueDim[3] = {0, 0, 50};
int yellowDim[3] = {50, 50, 0};

void init()
{
	SDL_Init(SDL_INIT_EVERYTHING);

	window = SDL_CreateWindow("Memory Squares", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 230, 230, SDL_WINDOW_SHOWN);
	renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
}

void resetSquares() 
{
	SDL_SetRenderDrawColor(renderer, 0, 50, 0, 255);
	SDL_RenderFillRect(renderer, &squareOne);
	SDL_SetRenderDrawColor(renderer, 50, 50, 0, 255);
	SDL_RenderFillRect(renderer, &squareTwo);
	SDL_SetRenderDrawColor(renderer, 50, 0, 0, 255);
	SDL_RenderFillRect(renderer, &squareThree);
	SDL_SetRenderDrawColor(renderer, 0, 0, 50, 255);
	SDL_RenderFillRect(renderer, &squareFour);
	SDL_RenderPresent(renderer);
}

void renderSquares()
{
	SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
	SDL_RenderClear(renderer);

	squareOne.x = 10;
	squareOne.y = 10;
	squareOne.w = 100;
	squareOne.h = 100;
	SDL_SetRenderDrawColor(renderer, 0, 50, 0, 255);
	SDL_RenderFillRect(renderer, &squareOne);

	squareTwo.x = 10;
	squareTwo.y = 120;
	squareTwo.w = 100;
	squareTwo.h = 100;
	SDL_SetRenderDrawColor(renderer, 50, 50, 0, 255);
	SDL_RenderFillRect(renderer, &squareTwo);

	squareThree.x = 120;
	squareThree.y = 10;
	squareThree.w = 100;
	squareThree.h = 100;
	SDL_SetRenderDrawColor(renderer, 50, 0, 0, 255);
	SDL_RenderFillRect(renderer, &squareThree);

	squareFour.x = 120;
	squareFour.y = 120;
	squareFour.w = 100;
	squareFour.h = 100;
	SDL_SetRenderDrawColor(renderer, 0, 0, 50, 255);
	SDL_RenderFillRect(renderer, &squareFour);

	SDL_RenderPresent(renderer);
}

void bye()
{
	SDL_DestroyWindow(window);
	SDL_Quit();
}

int events(SDL_Event e)
{
	int mouseX;
	int mouseY;

	while(SDL_PollEvent(&e) != 0) {
		if(e.type == SDL_QUIT) {
			return 5;
		}
		
		if(e.type == SDL_MOUSEBUTTONUP) {
			if(e.button.button == SDL_BUTTON_LEFT) {
				resetSquares();
			}
		}

		if(e.type == SDL_MOUSEBUTTONDOWN && mouseX >= 10 && mouseX <= 110 && mouseY >= 10 && mouseY <= 110) {
			if(e.button.button == SDL_BUTTON_LEFT) {
				SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255);
				SDL_RenderFillRect(renderer, &squareOne);
				SDL_RenderPresent(renderer);

				return 1;
			}
		}
		else if(e.type == SDL_MOUSEBUTTONDOWN && mouseX >= 10 && mouseX <= 110 && mouseY >= 120 && mouseY <= 220) {
			if(e.button.button == SDL_BUTTON_LEFT) {
				SDL_SetRenderDrawColor(renderer, 255, 255, 0, 255);
				SDL_RenderFillRect(renderer, &squareTwo);
				SDL_RenderPresent(renderer);

				return 2;
			}
		}
		else if(e.type == SDL_MOUSEBUTTONDOWN && mouseX >= 120 && mouseX <= 220 && mouseY >= 10 && mouseY <= 110) {
			if(e.button.button == SDL_BUTTON_LEFT) {
				SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
				SDL_RenderFillRect(renderer, &squareThree);
				SDL_RenderPresent(renderer);

				return 3;
			}
		}
		else if(e.type == SDL_MOUSEBUTTONDOWN && mouseX >= 120 && mouseX <= 220 && mouseY >= 120 && mouseY <= 220) {
			if(e.button.button == SDL_BUTTON_LEFT) {
				SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
				SDL_RenderFillRect(renderer, &squareFour);
				SDL_RenderPresent(renderer);

				return 4;
			}
		}

		if(e.type == SDL_MOUSEMOTION) {
			mouseX = e.motion.x;
			mouseY = e.motion.y;
		}
	} 
	
	return 0;
}

void squareLight(int rgb[3], int rgbDim[3], SDL_Rect *square) 
{
	SDL_SetRenderDrawColor(renderer, rgb[0], rgb[1], rgb[2], 255);
	SDL_RenderFillRect(renderer, square);
	SDL_RenderPresent(renderer);

	SDL_Delay(250);

	SDL_SetRenderDrawColor(renderer, rgbDim[0], rgbDim[1], rgbDim[2], 255);
	SDL_RenderFillRect(renderer, square);
	SDL_RenderPresent(renderer);

	resetSquares();
	SDL_Delay(250);
}

void playPattern(int pattern[100]) 
{
	resetSquares();
	SDL_Delay(1000);

	int i;
	for(i = 0; i <= 100; i++) {
		resetSquares();

		if(pattern[i] == 1) {
			squareLight(green, greenDim, &squareOne);
		}
		else if(pattern[i] == 2) {
			squareLight(yellow, yellowDim, &squareTwo);
		}
		else if(pattern[i] == 3) {
			squareLight(red, redDim, &squareThree);
		}
		else if(pattern[i] == 4) {
			squareLight(blue, blueDim, &squareFour);
		}
		else {
			break;
		}
	}
}

int generate()
{
	int x = 0;

	while(x == 0) {
		x = rand() % 5;
	}

	return x;
}

int main(int argc, char *argv[])
{
	init();
	renderSquares();

	SDL_Event e;
	int selection;
	int score = 0;	
	int pattern[100];
	int x = 0;

	while(1) {
		int num = generate();
	
		pattern[x] = num;
		x++; 	
			
		playPattern(pattern);

		int i;
		for(i = 0; i <= x; i++) { 
			selection = 0;

			while(selection == 0) {
				selection = events(e);
			}

			if(selection == pattern[i]) { 
				score++;
				
				if(score == x) {
					SDL_Delay(150);					
					score = 0;
					break;
				}
			}
			else if(selection == 5) {
				break;
			}
			else {
				SDL_ShowSimpleMessageBox(0, "Wrong!", "Incorrect! Start over..", window);
				score = 0;
				x = 0;
				memset(pattern, 0, sizeof(int)*100);
				break;
			}
		}

		if(selection == 5) {
			break;			
		}
	}

	bye();

	return 0;
}