From f1b427d6cbec14d048086ddde31719941150520d Mon Sep 17 00:00:00 2001
From: Kied Llaentenn <32681240+Kiedtl@users.noreply.github.com>
Date: Fri, 13 Dec 2019 16:15:29 -0500
Subject: [PATCH] options: truecolor, refresh rate

---
 args.h   |  5 ++++-
 colors.h | 52 +++++++++++++++++++++++++++++++++++++++++++---------
 draw.c   | 17 ++++++++++++++---
 draw.h   |  1 +
 main.c   | 22 ++++++++++++++++++++--
 makefile |  2 +-
 6 files changed, 83 insertions(+), 16 deletions(-)

diff --git a/args.h b/args.h
index 2809697..7b2beb9 100644
--- a/args.h
+++ b/args.h
@@ -15,11 +15,14 @@
 #ifndef ARGS_INCLUDED
 #define ARGS_INCLUDED
 #include "bool.h"
+#include "args.h"
+#include "types.h"
 
 extern char *argv0;
 
 typedef struct Options {
-	bool stub;	// no real options... yet
+	usize refresh_rate;
+	bool truecolor;
 } Options;
 
 /* use main(int argc, char *argv[]) */
diff --git a/colors.h b/colors.h
index 5c2a5dd..293e784 100644
--- a/colors.h
+++ b/colors.h
@@ -1,27 +1,61 @@
-// colors.h: defines the colors for the fire.
-// feel free to modify to customize the look of the animation. :)
-// structure: <unicode hex value>, <foreground>, <background>
-
 #ifndef COLORS_INCLUDED
 #define COLORS_INCLUDED
 
+#include "types.h"
 #include "termbox.h"
+#define CLRS_LEN	13
 
-struct tb_cell colors[13] =
+#define RED	0xdd1111
+#define BLACK	0x000000
+#define YELLOW	0xffdd00
+#define WHITE	0xffffff
+
+struct tb_cell normcolors[CLRS_LEN] =
 {
+	// default
 	{ ' ',    9, 0 },
+
+	// red/black
 	{ 0x2591, 2, 0 },
 	{ 0x2592, 2, 0 },
 	{ 0x2593, 2, 0 },
 	{ 0x2588, 2, 0 },
+
+	// yellow/red
 	{ 0x2591, 4, 2 },
 	{ 0x2592, 4, 2 },
 	{ 0x2593, 4, 2 },
 	{ 0x2588, 4, 2 },
-	{ 0x2591, 8, 4 },
-	{ 0x2592, 8, 4 },
-	{ 0x2593, 8, 4 },
-	{ 0x2588, 8, 4 },
+
+	// white/red
+	{ 0x2591, 8, 2 },
+	{ 0x2592, 8, 2 },
+	{ 0x2593, 8, 2 },
+	{ 0x2588, 8, 2 },
+};
+
+struct tb_cell truecolors[CLRS_LEN] =
+{
+	// default
+	{ ' ',    9, 0 },
+
+	// red/black
+	{ 0x2591, RED,  BLACK },
+	{ 0x2592, RED,  BLACK },
+	{ 0x2593, RED,  BLACK },
+	{ 0x2588, RED,  BLACK },
+
+	// yellow/red
+	{ 0x2591, YELLOW, RED },
+	{ 0x2592, YELLOW, RED },
+	{ 0x2593, YELLOW, RED },
+	{ 0x2588, YELLOW, RED },
+
+	// white/red
+	{ 0x2591, WHITE,  RED },
+	{ 0x2592, WHITE,  RED },
+	{ 0x2593, WHITE,  RED },
+	{ 0x2588, WHITE,  RED },
 };
 
 #endif
diff --git a/draw.c b/draw.c
index 6163ea9..7c859c3 100644
--- a/draw.c
+++ b/draw.c
@@ -2,11 +2,15 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "args.h"
 #include "termbox.h"
 #include "types.h"
 #include "draw.h"
-#include "output.h"
 #include "colors.h"
+#include "output.h"
+
+// arguments
+extern struct Options *opts;
 
 // initialize the framebuffer
 void
@@ -62,8 +66,15 @@ dofire ( struct buffer *buf )
 			if (buf->buf[dest] > 12)
 				buf->buf[dest] = 0;
 
-			realbuf[dest] = colors[buf->buf[dest]];
-			realbuf[src]  = colors[buf->buf[src]];
+			if (opts->truecolor) {
+				realbuf[dest] = truecolors[buf->buf[dest]];
+				realbuf[src]  = truecolors[buf->buf[src]];
+			}
+			else
+			{
+				realbuf[dest] = normcolors[buf->buf[dest]];
+				realbuf[src]  = normcolors[buf->buf[src]];
+			}
 		}
 	}
 }
diff --git a/draw.h b/draw.h
index 7b3c51a..d91525b 100644
--- a/draw.h
+++ b/draw.h
@@ -1,5 +1,6 @@
 #ifndef DRAW_INCLUDED
 #define DRAW_INCLUDED
+
 #include "types.h"
 
 typedef struct buffer
diff --git a/main.c b/main.c
index c2d4281..d21f530 100644
--- a/main.c
+++ b/main.c
@@ -16,10 +16,27 @@ struct Options *opts;
 int
 main ( int argc, char *argv[] )
 {
+	opts = (struct Options*) calloc(1, sizeof(struct Options*));
+	if (opts == NULL) {
+		PRINT("fire: error: cannot ");
+		perror("calloc()");
+	}
+
+	// default args
+	opts->refresh_rate = 5;
+	opts->truecolor    = FALSE;
+
 	// argument parsing
 	argv0 = argv[0];
 
 	ARGBEGIN {
+		case 't':
+			tb_select_output_mode(TB_OUTPUT_TRUECOLOR);
+			opts->truecolor = TRUE;
+			break;
+		case 'r':
+			opts->refresh_rate = atoi(ARGF());
+			break;
 		case 'V':
 			PRINT("%s %s\n", argv0, VERSION);
 			exit(0);
@@ -28,7 +45,8 @@ main ( int argc, char *argv[] )
 			PRINT("fire %s\n(c) Kied Llaentenn and contributors\n", VERSION);
 			PRINT("https://github.com/lptstr/fire\n");
 			PRINT("\nUSAGE:\n\t$ fire\n\n");
-			PRINT("OPTIONS:\n\t-V\tshow version and exit.\n");
+			PRINT("OPTIONS:\n\t-t\tenable true colors.\n");
+			PRINT("\t-V\tshow version and exit.\n");
 			PRINT("\t-h\tshow this help message and exit.\n\n");
 			exit(1);
 	} ARGEND
@@ -56,7 +74,7 @@ main ( int argc, char *argv[] )
 		tb_present();
 
 		// event handling
-		int err = (usize) tb_peek_event(&e, 5);
+		int err = (usize) tb_peek_event(&e, opts->refresh_rate);
 
 		if (err < 0)
 			continue;
diff --git a/makefile b/makefile
index a92d399..f03d31c 100644
--- a/makefile
+++ b/makefile
@@ -12,7 +12,7 @@ INC	= -Isub/termbox_next/src -Isub/ccommon/
 
 CC	= gcc
 CFLAGS	= -std=c99 -O3 $(WARNING) $(INC)
-LDFLAGS	= -fuse-ld=lld
+LDFLAGS	=
 
 TRMBOX	= sub/termbox_next/bin/termbox.a
 SRC	= main.c draw.c