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xmas.c

@@ -16,7 +16,7 @@ typedef struct {
 	size_t mx;
 	size_t my;
 } SCREEN_SIZE;
-SCREEN_SIZE ss;
+static SCREEN_SIZE ss;
 
 typedef struct {
 	char *str;
@@ -24,7 +24,8 @@ typedef struct {
 	int x;
 	int y;
 } ENTITY;
-ENTITY names[10];
+static ENTITY names[10];
+static ENTITY stars[25];
 
 enum {
 	COL_RED = 1,
@@ -33,6 +34,7 @@ enum {
 	COL_YELLOW,
 	COL_CYAN,
 	COL_MAGENTA,
+	COL_WHITE,
 	COL_COUNT
 };
 
@@ -55,32 +57,26 @@ char *persons[] = {
 	"Timukra",
 	"mnnwwn",
 	"dlmk",
-	"vlnst"
+	"vlnst",
+	"KindFoxie",
+	"leca",
+	"kurator88",
+	"SiberiaBread"
 };
 
-void color_print(const int y, const int x, const char *str, const int color) {
-	attron(COLOR_PAIR(color));
-	mvprintw(y, x, "%s", str);
-	attroff(COLOR_PAIR(color));
-}
-
-void draw_tree(void) {
-	mvprintw(ss.ws.ws_row - 1, ss.mx - 2, "|___|");
-	for (unsigned int i = ss.ws.ws_row - 2; i > 0; i--)
-		for (unsigned int j = 0; j < i * 2; j++)
-			color_print(i, (int)(ss.mx - i + j), "#", COL_GREEN);
+void add_entity(ENTITY *ent, int y, int x, char *str, int color) {
+	ent->y = y;
+	ent->x = x;
+	ent->color = color;
+	ent->str = str;
 }
 
 void init_names(int i, int y) {
-	names[i].y = y;
-	names[i].x = ss.mx + (-6 + rand() % 12);
-	names[i].str = persons[rand() % (sizeof(persons) / sizeof(char *))];
-
 	int color = rand() % COL_COUNT;
 	while (color == COL_GREEN)
 		color = rand() % COL_COUNT;
 
-	names[i].color = color;
+	add_entity(&names[i], y, ss.mx + (-6 + rand() % 12), persons[rand() % ARRAY_SIZE(persons)], color);
 }
 
 void update_names(void) {
@@ -89,7 +85,27 @@ void update_names(void) {
 		names[i].y++;
 
 		if (names[i].y >= ss.ws.ws_row)
-			init_names(i, 0);
+			init_names(i, 1);
+	}
+}
+
+void color_print(const int y, const int x, const char *str, const int color) {
+	attron(COLOR_PAIR(color));
+	mvprintw(y, x, "%s", str);
+	attroff(COLOR_PAIR(color));
+}
+
+void draw_tree(void) {
+	mvprintw(ss.ws.ws_row - 1, ss.mx - 3, "|_____|");
+
+	for (size_t i = ss.ws.ws_row - 2; i > 0; i--) {
+		for (size_t j = 0; j < i; j++) {
+			color_print(i, (int)(ss.mx + j), "-", COL_GREEN);
+			color_print(i, (int)(ss.mx - j), "-", COL_GREEN);
+		}
+
+		if (i == 1)
+			color_print(i, ss.mx, "@", COL_YELLOW);
 	}
 }
 
@@ -103,7 +119,7 @@ void sig_handler(int sig) {
 int main(void) {
 	srand(getpid());
 
-	/* Fill SCREEN_SIZE structure */
+	/* Fill SCREEN_SIZE struct */
 	if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ss.ws) < 0) {
 		fprintf(stderr, "ioctl failed: %s\n", strerror(errno));
 		return 1;
@@ -126,11 +142,12 @@ int main(void) {
 	init_pair(4, COLOR_YELLOW, COLOR_BLACK);
 	init_pair(5, COLOR_CYAN, COLOR_BLACK);
 	init_pair(6, COLOR_MAGENTA, COLOR_BLACK);
+	init_pair(7, COLOR_WHITE, COLOR_BLACK);
 
 	if (!has_colors()) {
 		endwin();
 
-		fputs("colors not supported by your terminal", stderr);
+		fputs("colors are not supported by the terminal", stderr);
 		return 1;
 	}
 
@@ -142,20 +159,31 @@ int main(void) {
 	for (size_t i = 0; i < ARRAY_SIZE(names); i++)
 		init_names(i, i);
 
+	/* Add stars */
+	for (size_t i = 0; i < ARRAY_SIZE(stars); i++)
+		add_entity(&stars[i], rand() % ss.my, rand() % ss.ws.ws_col, ".", COLOR_WHITE);
+
 	/* Main */
 	while (1) {
 		clear();
 
+		/* Stars */
+		for (size_t i = 0; i < ARRAY_SIZE(stars); i++)
+			color_print(stars[i].y, stars[i].x, stars[i].str, stars[i].color);
+
+		/* Title */
 		char *msg = "HAPPY NEW YEAR!";
 		mvprintw(0, ss.mx - strlen(msg) / 2, "%s", msg);
 
+		/* Tree */
 		draw_tree();
 
+		/* Names */
 		update_names();
 		for (size_t i = 0; i < ARRAY_SIZE(names); i++)
 			color_print(names[i].y, names[i].x, names[i].str, names[i].color);
 
 		refresh();
-		usleep(700000);
+		usleep(600000);
 	}
 }