From 269e06dae5facc0f201bf6d3b2564afd65c55a1b Mon Sep 17 00:00:00 2001
From: iceyrazor <iceyrazor@mailfence.com>
Date: Thu, 5 Feb 2026 00:41:41 -0600
Subject: [PATCH] init

---
 .gitignore |   3 +
 Makefile   |   7 ++
 main.c     | 191 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 201 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 Makefile
 create mode 100755 main.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..36338e9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+game-of-life
+.clangd
+suggest.md
diff --git a/Makefile b/Makefile
new file mode 100755
index 0000000..c1a4587
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,7 @@
+LIBS="-I/home/iceyrazor/stuff/scripts/c/my_utils"
+
+main: main.c
+	clang -O3 -o game-of-life main.c ${LIBS} `sdl2-config --cflags --libs` -lm
+
+debug: main.c
+	clang -O3 -o game-of-life main.c ${LIBS} `sdl2-config --cflags --libs` -Wall -lm -fsanitize=address -g
diff --git a/main.c b/main.c
new file mode 100755
index 0000000..be6891d
--- /dev/null
+++ b/main.c
@@ -0,0 +1,191 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_video.h>
+
+int startw=1900;
+int starth=1100;
+
+void putPixelRGB(SDL_Renderer* renderer, int x, int y, unsigned char r,unsigned char g,unsigned char b){
+SDL_SetRenderDrawColor(renderer,(Uint8)r,(Uint8)g,(Uint8)b,255);
+SDL_RenderDrawPoint(renderer,x,y);
+}
+
+void putRectRGB(SDL_Renderer* renderer, int x, int y, int size, unsigned char r,unsigned char g,unsigned char b){
+
+SDL_Rect tmp_rect;
+tmp_rect.w = tmp_rect.h = size;
+tmp_rect.x=x;
+tmp_rect.y=y;
+SDL_SetRenderDrawColor(renderer,(Uint8)r,(Uint8)g,(Uint8)b,255);
+SDL_RenderFillRect(renderer,&tmp_rect);
+}
+
+void iterate_game(int **grid, int** nextgrid, int cols, int rows){
+    for (int i=0; i<cols; i++){
+        for(int j=0;j<rows; j++){
+            int state=grid[i][j];
+            int sum=0;
+            for (int k=-1; k<2; k++){
+                for (int l=-1; l<2; l++){
+                    int col = (i + k + cols) % cols;
+                    int row = (j + l + rows) % rows;
+                    sum = sum + grid[col][row];
+                }
+            }
+
+            sum -= grid[i][j];
+
+            if(state==0&sum==3){
+                nextgrid[i][j]=1;
+            } else if((state==1) & (sum<2 | sum>3)){
+                nextgrid[i][j]=0;
+            } else {
+                nextgrid[i][j]=state;
+            }
+        }
+    }
+
+    for (int i=0; i<cols; i++){
+        for(int j=0;j<rows; j++){
+            grid[i][j]=nextgrid[i][j];
+        }
+    }
+}
+
+void draw(SDL_Renderer* renderer,SDL_Window* window,int cols, int rows, float mX, float mY, int boxsize, int **grid, int **nextgrid, int width, int height){
+	for (int i=0; i<width; i++){
+		for(int j=0;j<height; j++){
+            putPixelRGB(renderer,i,j,0,0,0);
+        }
+    }
+
+
+
+
+	for (int i=0; i<cols; i++){
+		for(int j=0;j<rows; j++){
+            if(grid[i][j]==1){
+                putRectRGB(renderer,i*boxsize,j*boxsize,boxsize-1,150,50,255);
+            }
+        }
+	}
+    iterate_game(grid,nextgrid,cols,rows);
+
+
+
+	SDL_RenderPresent(renderer);
+	SDL_UpdateWindowSurface(window);
+}
+
+void mousePressed(int **grid,int x,int y,int size,int cols, int rows, double hue){
+
+}
+
+int main(int argc, char *argv[])
+{
+	if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
+		SDL_Log("SDL fails to initialize! %s\n", SDL_GetError());
+
+
+
+	SDL_Window *window = SDL_CreateWindow("SDL Tutorial", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, startw, starth, SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL);
+	if (!window) {
+		printf("Failed to create window: %s\n", SDL_GetError());
+	}
+	SDL_Renderer *renderer = SDL_CreateRenderer(window,-1,SDL_RENDERER_SOFTWARE);
+	if (!renderer) {
+		printf("Failed to create renderer: %s\n", SDL_GetError());
+	}
+
+	int w, h;
+	SDL_GetWindowSize(window, &w, &h);
+	printf("Window dimensions: %dx%d\n", w, h);
+
+	int boxsize=15;
+	int cols=w/boxsize;
+	int rows=h/boxsize;
+    SDL_Log("cols %d rows %d\n\n\n\n",cols,rows);
+	int **grid = (int **)malloc(cols * sizeof(int *));
+	for (int i=0; i<cols; i++){
+		grid[i]=(int *)malloc(rows * sizeof(int *));
+	}
+
+	int **nextgrid = (int **)malloc(cols * sizeof(int *));
+	for (int i=0; i<cols; i++){
+		nextgrid[i]=(int *)malloc(rows * sizeof(int *));
+	}
+
+    srand(time(NULL));
+	for (int i=0; i<cols; i++){
+		for(int j=0;j<rows; j++){
+            grid[i][j]=rand()%2;
+            nextgrid[i][j]=rand()%2;
+        }
+	}
+
+
+	draw(renderer,window,cols,rows,0,0,boxsize,grid,nextgrid,w,h);
+
+	bool quit = false;
+	SDL_Event e;
+	bool mousedown=false;
+	int gmouseX=0;
+	int gmouseY=0;
+    bool ctrl=false;
+	while (!quit) {
+		while (SDL_PollEvent(&e)) {
+			if (e.type == SDL_QUIT) {
+				quit = true;
+			}
+			else if(e.type == SDL_MOUSEBUTTONDOWN){
+				if(e.button.button==SDL_BUTTON_LEFT){
+					mousedown=true;
+				} else if(e.button.button==SDL_BUTTON_RIGHT){
+				}
+			} else if(e.type==SDL_MOUSEBUTTONUP){
+					mousedown=false;
+			}
+
+            //SDL_Log("%d\n",e.key.keysym.sym);
+            if(e.type==SDL_KEYDOWN&e.key.keysym.sym==1073742048){
+                ctrl=true;
+
+            }else if(e.type==SDL_KEYUP&e.key.keysym.sym==1073742048){
+                ctrl=false;
+            }else if(e.type==SDL_KEYDOWN&e.key.keysym.sym==114&ctrl==true){
+                srand(time(NULL));
+                for (int i=0; i<cols; i++){
+                    for(int j=0;j<rows; j++){
+                        grid[i][j]=rand()%2;
+                    }
+                }
+            }
+
+
+			gmouseX=e.button.x;
+			gmouseY=e.button.y;
+		}
+		float mouseoutX=gmouseX;
+		float mouseoutY=gmouseY;
+		draw(renderer,window,cols,rows,mouseoutX,mouseoutY,boxsize,grid,nextgrid,w,h);
+		//SDL_Delay(10);
+	}
+
+	SDL_DestroyWindow(window);
+	//free window and windowSurface
+	SDL_Quit();
+	for (int i=0; i<cols; i++){
+        free(grid[i]);
+        free(nextgrid[i]);
+	}
+    free(grid);
+    free(nextgrid);
+
+	
+
+	return 0;
+}