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#include "raylib.h"
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <stdio.h>
typedef struct {
int width;
int height;
int **data;
} State;
void initializeState(State *state) {
state->data = malloc(state->height * sizeof (int *));
for (int i=0; i < state->height; i++) {
int *row = malloc(state->width * sizeof (int));
for (int j=0; j < state->width; j++) {
row[j] = 0;
}
state->data[i] = row;
}
}
void copyState(State *dest, State *src) {
for(int i=0; i<dest->height; i++) {
int *destRow = dest->data[i];
int *srcRow = src->data[i];
memcpy(destRow, srcRow, dest->width * sizeof(int));
}
}
void freeStateData(State *state) {
for (int i=0; i < state->height; i++) {
free(state->data[i]);
}
free(state->data);
}
void printState(State *state) {
for (int i=0; i<state->height; i++) {
for (int j=0; j<state->width; j++) {
printf("%d ", state->data[i][j]);
}
printf("\n");
}
}
int main(void)
{
const int pixSize = 5;
const int padding = 2;
const int height = 80;
const int width = 100;
const int space = pixSize + (2 * padding);
const int winHeight = space * height;
const int winWidth = space * width;
State currState = {.height = height, .width = width};
initializeState(&currState);
State nextState = {.height = height, .width = width};
initializeState(&nextState);
srand(time(NULL));
int prob = 30;
for (int i=0; i<height; i++) {
for (int j=0; j<width; j++) {
if (rand() % 100 < prob) {
currState.data[i][j] = true;
nextState.data[i][j] = true;
}
}
}
InitWindow(winWidth, winHeight, "Keren");
SetTargetFPS(10);
bool isRunning = true;
while (!WindowShouldClose())
{
BeginDrawing();
if (IsKeyDown(KEY_A))
isRunning = !isRunning;
ClearBackground(BLACK);
int nearestI = GetMouseY() / space;
int nearestJ = GetMouseX() / space;
if (IsMouseButtonDown(MOUSE_BUTTON_LEFT))
currState.data[nearestI][nearestJ] = true;
if (IsMouseButtonDown(MOUSE_BUTTON_RIGHT))
currState.data[nearestI][nearestJ] = false;
for (int i=0; i<height; i++) {
for (int j=0; j<width; j++) {
printf("drawing row %d col %d\n", i, j);
Color pixColor = GRAY;
if (currState.data[i][j]) pixColor = WHITE;
DrawRectangle(j * space, i * space, pixSize, pixSize, pixColor);
if (isRunning) {
int n1 = 0;
int n2 = 0;
int n3 = 0;
int n4 = 0;
int n5 = 0;
int n6 = 0;
int n7 = 0;
int n8 = 0;
if (i > 0 && j > 0) {
n1 = currState.data[i - 1][j - 1];
n2 = currState.data[i - 1][j];
n4 = currState.data[i][j - 1];
}
if (i > 0 && j < width-1) {
n3 = currState.data[i - 1][j + 1];
}
if (i < height-1 && j < width-1) {
n5 = currState.data[i][j + 1];
n7 = currState.data[i + 1][j];
}
if (i < height-1 && j > 0) {
n6 = currState.data[i + 1][j - 1];
}
if (i < height-1 && j < width-1) {
n8 = currState.data[i + 1][j + 1];
}
int total = n1 + n2 + n3 + n4 + n5 + n6 + n7 + n8;
if (total < 2 && currState.data[i][j]) nextState.data[i][j] = false;
if (total > 3 && currState.data[i][j]) nextState.data[i][j] = false;
if ((total == 2 || total == 3) && currState.data[i][j]) nextState.data[i][j] = true;
if (total == 3 && !currState.data[i][j]) nextState.data[i][j] = true;
}
}
}
if (isRunning) {
copyState(&currState, &nextState);
}
EndDrawing();
}
freeStateData(&currState);
freeStateData(&nextState);
CloseWindow();
return 0;
}
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