Add: conway game (basic) but flickers?

src/programs/conway.c

@@ -0,0 +1,132 @@
+#include "conway.h"
+#include "../libc/stdio.h"
+#include "../kernel/system.h"
+#include "../libc/crypto.h"
+#include "../libc/stdint.h"
+#include "../drivers/serial.h"
+#include "../libc/string.h"
+
+void print_grid(const unsigned char grid[X][Y])
+{
+	for (int i=0; i<X; i++)
+	{
+		for (int j=0; j<Y; j++)
+		{
+			//(grid[i][j] == LIVE) ? putc(42) : putc(32);
+			if (grid[i][j] == LIVE) {
+				serial_printf(3, "alive");
+			       colorputc(32, 120);
+			} else {
+	       		       putc(32);
+			}		       
+		}
+	}
+}
+
+int count_live_neighbors(const unsigned char grid[X][Y], int i, int j)
+{
+	int live_neighbors = 0;
+
+	for (int x=-1; x<=1; x++)
+	{
+		for (int y=-1; y<=1; y++)
+		{
+			if (x==0 && y==0) continue;
+
+			int ni = i+x;
+			int nj = j+y;
+
+			if (ni >= 0 && ni < X && nj >= 0)
+			{
+				if (grid[ni][nj] == LIVE) live_neighbors++;
+			}
+		}
+	}
+	return live_neighbors;
+}
+
+void grid_new_generation(unsigned char grid[X][Y], unsigned char temp[X][Y])
+{
+	for (int i=0; i<X; i++)
+	{
+		for (int j=0; j<Y; j++)
+		{
+			int cell = grid[i][j];
+			int live_neighbors = count_live_neighbors(grid, i, j);
+
+			if (cell == LIVE)
+			{
+				switch(live_neighbors)
+				{
+					case 2:
+					case 3:
+						temp[i][j] = LIVE;
+						break;
+					default:
+						temp[i][j] = DEAD;
+						break;
+				}
+			}
+			else if (cell == DEAD && live_neighbors == 3)
+			{
+				temp[i][j] = LIVE;
+			}
+		}
+	}
+
+	for (int i=0; i<X; i++)
+	{
+		for (int j=0; j<Y; j++)
+		{
+			grid[i][j] = temp[i][j];
+			temp[i][j] = DEAD;
+		}
+	}
+}
+
+void soup(unsigned char grid[X][Y])
+{
+	srand(global_ticks);
+	for (int i=0; i<X; i++)
+	{
+		for (int j=0; j<Y; j++)
+		{
+			grid[i][j] = rand_float() > SOUP_PROB ? LIVE : DEAD; 
+		}
+	}
+}
+
+void program_conway(int argc, char* argv[])
+{
+	clear();
+	unsigned char grid[X][Y] = {0};
+	unsigned char temp[X][Y] = {0};
+
+	if (argc == 1)
+	{
+		soup(grid);
+	} else if (argc == 2 && strcmp(argv[1], "-g") == 0) {
+		grid[1][2] = LIVE;
+		grid[2][3] = LIVE;
+		grid[3][1] = LIVE;
+		grid[3][2] = LIVE;
+		grid[3][3] = LIVE;	
+	} else if (argc == 2 && strcmp(argv[1], "-l") == 0) {
+		grid[10][3] = LIVE; grid[10][4] = LIVE; grid[10][5] = LIVE; grid[10][6] = LIVE;
+		grid[11][2] = LIVE; grid[11][6] = LIVE;
+		grid[12][6] = LIVE;
+		grid[13][2] = LIVE; grid[13][5] = LIVE;
+	}
+
+	print_grid(grid);
+	puts("generation 0");
+	for (int i=1; i<GENERATIONS; i++)
+	{
+		grid_new_generation(grid, temp);
+		delay(DELAY);
+		clear();
+		print_grid(grid);
+		printf("generation %d", i);
+	}
+	
+}