partial refactor with termbox_next

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "sub/termbox_next"]
+	path = sub/termbox_next
+	url = https://github.com/cylgom/termbox_next

args.h

@@ -1,63 +0,0 @@
-//
-// Copy me if you can.
-// by 20h
-//
-// Copied by kiedtl
-// on 2019-12-11 1516
-//
-
-// This file is was proudly stol^Hborrowed
-// from the st project and is copyright all
-// st contributors. View the LICENSE at:
-// https://git.suckless.org/st/file/LICENSE.html
-
-
-#ifndef ARGS_INCLUDED
-#define ARGS_INCLUDED
-#include "bool.h"
-
-extern char *argv0;
-
-//typedef struct Options {
-//} Options;
-
-/* use main(int argc, char *argv[]) */
-#define ARGBEGIN	for (argv0 = *argv, argv++, argc--;\
-					argv[0] && argv[0][0] == '-'\
-					&& argv[0][1];\
-					argc--, argv++) {\
-				char argc_;\
-				char **argv_;\
-				int brk_;\
-				if (argv[0][1] == '-' && argv[0][2] == '\0') {\
-					argv++;\
-					argc--;\
-					break;\
-				}\
-				int i_;\
-				for (i_ = 1, brk_ = 0, argv_ = argv;\
-						argv[0][i_] && !brk_;\
-						i_++) {\
-					if (argv_ != argv)\
-						break;\
-					argc_ = argv[0][i_];\
-					switch (argc_)
-
-#define ARGEND			}\
-			}
-
-#define ARGC()		argc_
-
-#define EARGF(x)	((argv[0][i_+1] == '\0' && argv[1] == NULL)?\
-				((x), abort(), (char *)0) :\
-				(brk_ = 1, (argv[0][i_+1] != '\0')?\
-					(&argv[0][i_+1]) :\
-					(argc--, argv++, argv[0])))
-
-#define ARGF()		((argv[0][i_+1] == '\0' && argv[1] == NULL)?\
-				(char *)0 :\
-				(brk_ = 1, (argv[0][i_+1] != '\0')?\
-					(&argv[0][i_+1]) :\
-					(argc--, argv++, argv[0])))
-
-#endif

cols.h

@@ -1,7 +0,0 @@
-#ifndef COLS_H
-#define COLS_H
-
-static int colors[] = {
-	
-
-#endif

main.c

@@ -3,58 +3,58 @@
 #include <unistd.h>
 #include <stdint.h>
 #include <stdlib.h>
-#include <sys/ioctl.h>
 
-#define BOOL	unsigned char
-#define TRUE	1
-#define FALSE	0
-#define PRINT(...)	fprintf(stderr, __VA_ARGS__);
+#include "termbox.h"
+#include "bool.h"
+#include "outp.h"
+#include "type.h"
 
-// I miss the Rust type system :(
-typedef uint8_t		 u8;
-typedef uint16_t	u16;
-typedef uint32_t	u32;
-
-#if UINTPTR_MAX == 0xffff
-typedef uint16_t	usize;
-#elif UINTPTR_MAX == 0xffffffff
-typedef uint32_t	usize;
-#elif UINTPTR_MAX == 0xffffffffffffffff
-typedef uint64_t	usize;
-#endif
-
-
-char esc = (char) 27;
-usize width;
-usize height;
-usize palette[] = { 0x00, 0xff0000, 0xff6611, 0xffff66, 0xffffff };
-usize *pixels;
+#define STEPS	13
 
+void init ( struct term_buf buf );
 void dofire ( void );
 void draw ( void );
 
 int
 main ( void )
 {
-	// populate width and height
-	struct winsize w;
-	ioctl(0, TIOCGWINSZ, &w);
+	// initialize termbox
+	tb_init();
+	tb_select_output_mode(TB_OUTPUT_NORMAL);
+	tb_clear();
 
-	width = w.ws_row;
-	height = w.ws_col;
+	struct term_buf buf;
+	draw_init(&buf);
 
-	pixels = (usize*) calloc((width * height), sizeof(usize));
+	// initialize drawing
 	
-	// init pixels
-	for (usize i = 0; i < width; i++)
-	{
-		pixels[((width * height) - width) + i] = palette[4];
-	}
 
+	draw();
 	dofire();
+
+	// cleanup termbox
+	tb_shutdown();
+
 	return 0;
 }
 
+void
+init ( struct term_buf buf )
+{
+	buf->init_width = buf->width;
+	buf->init_height = buf->height;
+
+	usize len = buf->width * buf->height;
+	buf->tmp_buf = malloc(len);
+	len -= buf->width;
+
+	if (buf->tmp_buf == NULL)
+		PRINT("fire: error: unable to malloc() memory for buffer\n");
+
+	memset(buf->tmp_buf, 0, len);
+	memset(buf->tmp_buf + len, STEPS - 1, buf->width);
+}
+
 void
 dofire ( void )
 {
@@ -63,14 +63,19 @@ dofire ( void )
 		for (usize y = 0; y < height; y++)
 		{
 			usize src = y * width + x;
-			usize random = (rand() % 7) & 3;
+			usize random = 0;//(rand() % 7) & 3;
 			usize dest = src - random + 1;
 			usize color;
 
 			if (width > dest ) dest = 0;
 			else dest -= width;
 
-			pixels[dest] = pixels[src] - (random & 1);
+			color = pixels[src];
+
+			if (color == 0 || color == (usize) NULL)
+				pixels[(src - width) % ((width * height) - 1)] = palette[0];
+			else
+				pixels[(dest - width) % ((width * height) - 1)] = pixels[src] - (random & 1);
 			draw();
 		}
 	}
@@ -83,11 +88,14 @@ draw ( void )
 	PRINT("%c[2J", esc);
 
 	// draw pixels onto screen
-	for (usize x = 0; x < width; x++)
-	{
 	for (usize y = 0; y < height; y++)
+	{
+		for (usize x = 0; x < width; x++)
 		{
 			usize color = pixels[y * width + x];
+			if (color == (usize) NULL) continue;
+
+			// extract RGB value from color
 			u8 blue = color % 256;
 			u8 green = ((color - blue) / 256) % 256;
 			u8 red = ((color - blue) / (int)pow((double)256, (double)2))-(green / 256);

makefile

@@ -8,8 +8,13 @@ NAME	= fire
 WARNING	= -Wall -Wextra -pedantic -Wmissing-prototypes \
 	  -Wold-style-definition -Werror
 
+SRCDIR	= src
+SUBDIR	= sub
+
+INC	= -I$(SUBDIR)/termbox_next/
+
 CC	= clang
-CFLAGS	= -g -std=c99 $(WARNING)
+CFLAGS	= -g -std=c99 $(WARNING) $(INC)
 LDFLAGS	= -fuse-ld=lld
 
 SRC	= main.c
@@ -18,14 +23,14 @@ OBJ	= $(SRC:.c=.o)
 all: $(NAME)
 
 clean:
-	rm -f $(NAME) $(OBJ)
+	rm -f $(SRCDIR)/$(NAME) $(SRCDIR)/$(OBJ)
 
 .c.o:
 	@echo "\tCC\t\t$@"
-	@$(CC) $(CFLAGS) -c $<
+	@$(CC) $(CFLAGS) -c $< -o $@
 
-$(NAME): $(OBJ)
+$(NAME): $(SRCDIR)/$(OBJ)
 	@echo "\tLD\t\t$(NAME)"
-	@$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
+	@$(CC) -o $(SRCDIR)/$@ $^ $(CFLAGS) $(LDFLAGS)
 
 .PHONY: all clean

src/bool.h

@@ -0,0 +1,16 @@
+//
+// bool.h: defined the boolean type.
+// this file is part of the LPTSTR common C header collection, and
+// is licensed under the MIT license.
+// (c) Kied Llaentenn and LPTSTR contributors.
+//
+
+#ifndef BOOL_INCLUDED
+#define BOOL_INCLUDED
+
+#define TRUE	1
+#define FALSE	0
+
+typedef char bool
+
+#endif

src/main.c

@@ -0,0 +1,109 @@
+#include <math.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+
+#define BOOL	unsigned char
+#define TRUE	1
+#define FALSE	0
+#define PRINT(...)	fprintf(stderr, __VA_ARGS__);
+
+// I miss the Rust type system :(
+typedef uint8_t		 u8;
+typedef uint16_t	u16;
+typedef uint32_t	u32;
+
+#if UINTPTR_MAX == 0xffff
+typedef uint16_t	usize;
+#elif UINTPTR_MAX == 0xffffffff
+typedef uint32_t	usize;
+#elif UINTPTR_MAX == 0xffffffffffffffff
+typedef uint64_t	usize;
+#endif
+
+
+char esc = (char) 27;
+usize width;
+usize height;
+usize palette[] = { 0x00, 0xff0000, 0xff6611, 0xffff66, 0xffffff };
+usize *pixels;
+
+void dofire ( void );
+void draw ( void );
+
+int
+main ( void )
+{
+	// populate width and height
+	struct winsize w;
+	ioctl(0, TIOCGWINSZ, &w);
+
+	width = w.ws_col;
+	height = w.ws_row;
+
+	pixels = (usize*) calloc((width * height), sizeof(usize));
+
+	// init pixels
+	for (usize c = 0; c < (width * height); c++) pixels[c] = (usize) NULL;
+	for (usize i = 0; i < width; i++)
+	{
+		pixels[((width * (height - 1)) - width) + i] = palette[4];
+	}
+
+	draw();
+	dofire();
+	return 0;
+}
+
+void
+dofire ( void )
+{
+	for (usize x = 0; x < width; x++)
+	{
+		for (usize y = 0; y < height; y++)
+		{
+			usize src = y * width + x;
+			usize random = 0;//(rand() % 7) & 3;
+			usize dest = src - random + 1;
+			usize color;
+
+			if (width > dest ) dest = 0;
+			else dest -= width;
+
+			color = pixels[src];
+
+			if (color == 0 || color == (usize) NULL)
+				pixels[(src - width) % ((width * height) - 1)] = palette[0];
+			else
+				pixels[(dest - width) % ((width * height) - 1)] = pixels[src] - (random & 1);
+			draw();
+		}
+	}
+}
+
+void
+draw ( void )
+{
+	// clear screen
+	PRINT("%c[2J", esc);
+
+	// draw pixels onto screen
+	for (usize y = 0; y < height; y++)
+	{
+		for (usize x = 0; x < width; x++)
+		{
+			usize color = pixels[y * width + x];
+			if (color == (usize) NULL) continue;
+
+			// extract RGB value from color
+			u8 blue = color % 256;
+			u8 green = ((color - blue) / 256) % 256;
+			u8 red = ((color - blue) / (int)pow((double)256, (double)2))-(green / 256);
+
+			PRINT("%c[48;2;%i;%i;%im %c[0m", esc, red, blue, green, esc);
+		}
+		PRINT("\n");
+	}
+}

src/outp.h

@@ -0,0 +1,6 @@
+#ifndef OUTP_H
+#define OUTP_H
+
+#define PRINT(...)	fprintf(stderr, __VA_ARGS__);
+
+#endif

src/type.h

@@ -0,0 +1,40 @@
+//
+// type.h: defines integer types.
+// this file is part of the LPTSTR common C header collection, and
+// is licensed under the MIT license.
+// (c) Kied Llaentenn and LPTSTR contributors.
+//
+
+// why?
+// I miss the Rust type system :P
+
+#ifndef TYPE_H
+#define TYPE_H
+
+typedef uint8_t		 u8;
+typedef uint16_t	u16;
+typedef uint32_t	u32;
+typedef uint64_t	u64;
+
+typedef int8_t		 i8;
+typedef int16_t		i16;
+typedef int32_t		i32;
+typedef int64_t		i64;
+
+#if UINTPTR_MAX == 0xffff
+typedef uint16_t      usize;
+#elif UINTPTR_MAX == 0xffffffff
+typedef uint32_t      usize;
+#elif UINTPTR_MAX == 0xffffffffffffffff
+typedef uint64_t      usize;
+#endif
+
+#if INTPTR_MAX == 0xffff
+typedef int16_t       isize;
+#elif INTPTR_MAX == 0xffffffff
+typedef int32_t       isize;
+#elif INTPTR_MAX == 0xffffffffffffffff
+typedef int64_t       isize;
+#endif
+
+#endif

sub/termbox_next

@@ -0,0 +1 @@
+Subproject commit 2312da153e44face7bb45aa2798ec284289c17ca