cgol

commit 6f160593ce5caa4db311d3eafce03dde9c387536
parent 886b458fdc9e494d67221faf33357dfed80ed55c
Author: aabacchus <ben@bvnf.space>
Date:   Tue,  4 Jan 2022 01:53:26 +0000

add ascii drawing backend

need to add options to change this at compile/run time
and need to document it

Diffstat:
M
Makefile
 | 
5
+++--
A
ascii.c
 | 
33
+++++++++++++++++++++++++++++++++

2 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
@@ -7,16 +7,17 @@ XCFLAGS := $(CFLAGS) -Wall -Wextra -Wpedantic $(DEBUG) $(XXCFLAGS) -D_XOPEN_SOUR
 XLDFLAGS = $(LDFLAGS) $(XXLDFLAGS)
 
 OBJS = \
-	   image.o \
 	   main.o \
 	   rules.o \
+	   ascii.o \
+#	   image.o \
 
 all: cgol images
 
 cgol: $(OBJS)
 	$(CC) $(XLDFLAGS) $(OBJS) -o cgol
 
-$(OBJS): $(OBJS:.o=.c) cgol.h
+$(OBJS): cgol.h
 
 .c.o:
 	$(CC) -c $(XCFLAGS) $<
diff --git a/ascii.c b/ascii.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <time.h>
+#include "cgol.h"
+
+#define ESC_CLEAR   "\033[2J"
+#define ESC_HOME    "\033[H"
+#define ESC_SAVE    "\033[s"
+#define ESC_RESTORE "\033[u"
+
+#define ALIVE_CHAR '#'
+
+int
+png(struct imgdata *img, short *cells, char *fn) {
+    (void)fn;
+    int nx, ny;
+    nx = img->nx;
+    ny = img->ny;
+
+    printf(ESC_CLEAR ESC_HOME);
+    for (int j = 0; j < ny; j++) {
+        for (int i = 0; i < nx; i++) {
+            printf("%c", *(cells + j * nx + i) ? ALIVE_CHAR : ' ');
+        }
+        puts("");
+    }
+
+    const struct timespec req = {
+        0, 200000000 /* 0.2 s */
+    };
+    nanosleep(&req, NULL);
+
+    return 0;
+}