cutting-edge features: added buttons

main.c

@@ -1,13 +1,37 @@
 #include <stdio.h>
 #include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
 #include <curses.h>
+#include <math.h>
+#include <time.h>
 
-struct crypto_coin {
+struct chart {
+	size_t length;
+	double *prices;
+};
+
+struct coin {
 	const char *name;
 	const char *description;
-	double prices[30];
+	struct chart chart;
 };
 
+struct chart new_chart(size_t length)
+{
+	double *prices = malloc(length * sizeof(double));
+
+	prices[0] = 20;
+	for (size_t i = 1; i < length; i++) {
+		prices[i] = prices[i - 1] + (rand() % 3 - 1.5);
+	}
+
+	return (struct chart) {
+		.length = length,
+		.prices = prices
+	};
+}
+
 enum game_state {
 	GAME_BEGIN,
 	GAME_IDLE,
@@ -16,47 +40,106 @@ enum game_state {
 	GAME_END,
 };
 
+struct button {
+	char *name;
+	size_t width;
+	size_t height;
+
+	struct button *next;
+};
+
+struct button *new_button(char *name, size_t width, size_t height)
+{
+	struct button *button = malloc(sizeof(struct button));
+
+	button->name = name;
+	button->width = width;
+	button->height = height;
+	button->next = NULL;
+
+	return button;
+}
+
 struct game {
 	enum game_state state;
 	int bank;
-	int time;
-	struct crypto_coin coin;
+	struct coin coin;
+	struct button *button;
 };
 
-void game_draw(struct game *g)
+void draw_box(size_t x, size_t y, size_t width, size_t height)
 {
-	mvaddstr(0, 0, g->coin.name);
-	mvaddstr(1, 0, "-----------------");
-	mvaddstr(2, 0, g->coin.description);
+	mvaddch(y, x, '+');
+	mvaddch(y + height - 1, x, '+');
+	mvaddch(y + height - 1, x + width - 1, '+');
+	mvaddch(y, x + width - 1, '+');
 
-	char buf[50];
-	mvaddstr(3, 0, "You have: ");
-	sprintf(buf, "%i dollars.", g->bank);
-	mvaddstr(3, 15, buf);
-	
-	for (int i = 0; i < 20; i++) {
-		mvaddch(i+5, 0, '|');
+	for (size_t i = 1; i < height - 1; i++) {
+		mvaddch(y + i, x, '|');
 	}
-	
-	for (int i = 0; i < g->time; i++) {
-		color_set(1, NULL);
-		mvaddch(20 - g->coin.prices[i]+5, i+1, '-');
-		for (int j = 20 - g->coin.prices[i] + 1; j < 20; j++) {
-			color_set(2, NULL);
-			mvaddch(j+5, i+1, ' ');
+
+	for (size_t i = 1; i < height - 1; i++) {
+		mvaddch(y + i, x + width - 1, '|');
+	}
+
+	for (size_t i = 1; i < width - 1; i++) {
+		mvaddch(y, x + i, '-');
+	}
+
+	for (size_t i = 1; i < width - 1; i++) {
+		mvaddch(y + height - 1, x + i, '-');
+	}
+}
+
+void draw_button(struct button *b, size_t x, size_t y)
+{
+	draw_box(x, y, b->width, b->height);
+	mvaddstr(y + b->height / 2, x + b->width / 2 - strlen(b->name) / 2, b->name);
+}
+
+void draw_chart(struct chart *chart, size_t x, size_t y)
+{
+	draw_box(x - 1, y - 1, (chart->length * 2) + 8, 23);
+	for (size_t i = 0; i < chart->length; i++) {
+		for (size_t j = 0; j < chart->prices[i]; j++) {
+			mvaddch(30 - (y + j), x + (i * 2), '?');
 		}
 	}
 
-	g->time++;
+	struct button *buy  = new_button("buy",  20, 5);
+	struct button *sell = new_button("sell", 20, 5);
+	struct button *scam = new_button("scam", 20, 5);
+
+	attron(COLOR_PAIR(1));
+	draw_button(buy,  4,  28);
+	attroff(COLOR_PAIR(1));
+
+	attron(COLOR_PAIR(2));
+	draw_button(sell, 28, 28);
+	attroff(COLOR_PAIR(2));
+
+	attron(COLOR_PAIR(3));
+	draw_button(scam, 52, 28);
+	attroff(COLOR_PAIR(3));
+}
+
+void draw_game(struct game *game)
+{
+	clear();
+	mvaddstr(0, 0, game->coin.name);
+	mvaddstr(1, 0, game->coin.description);
+	draw_chart(&game->coin.chart, 5, 5);
 	refresh();
 }
 
 int main(void)
 {
+	srand(time(NULL));
 	initscr();
 	start_color();
-	init_pair(1, COLOR_BLACK, COLOR_RED);
-	init_pair(2, COLOR_BLACK, COLOR_GREEN);
+	init_pair(1, COLOR_GREEN,  COLOR_BLACK);
+	init_pair(2, COLOR_RED,    COLOR_BLACK);
+	init_pair(3, COLOR_BLUE, COLOR_BLACK);
 	cbreak();
 	noecho();
 	nonl();
@@ -68,25 +151,17 @@ int main(void)
 	struct game game = {
 		.state = GAME_BEGIN,
 		.bank = 1000,
-		.time = 0,
-		.coin = (struct crypto_coin) {
-			.name = "BitCoin",
+		.coin = (struct coin) {
+			.name = "Bitcoin",
 			.description = "A fucking scam.",
-			.prices = {
-				10, 11, 12, 12, 12, 12, 12,
-				13, 13, 13, 11, 11, 10, 10,
-				9, 9, 10, 10, 11, 11, 11, 12,
-			}
+			.chart = new_chart(30)
 		}
 	};
 
-	for (int i = 0; i < 20; i++) {
-		game_draw(&game);
-		sleep(1);
-	}
+	draw_game(&game);
 
 	refresh();
 	
-	sleep(10);
+	sleep(300);
 	endwin();
 }