From f200d5b175925fbb28a7fcb139edb3dee4d8dfa4 Mon Sep 17 00:00:00 2001
From: Armaan Bhojwani <me@armaanb.net>
Date: Sat, 15 May 2021 14:46:06 -0400
Subject: [PATCH] Initial commit

Its crap, but hey, its pong
---
 .gitignore |   1 +
 Makefile   |  10 +++++
 pong.c     | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 123 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 pong.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8e55469
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+pong
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..269671b
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,10 @@
+all:
+	${CC} -o pong pong.c ${CLAGS} -lcurses ${LDFLAGS}
+
+install:
+	cp pong /usr/local/bin/pong
+
+uninstall:
+	rm /usr/local/bin/pong
+
+.PHONY: all
diff --git a/pong.c b/pong.c
new file mode 100644
index 0000000..e6b8f38
--- /dev/null
+++ b/pong.c
@@ -0,0 +1,112 @@
+#include <ncurses.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int
+die(int code)
+{
+	endwin();
+	exit(code);
+}
+
+int
+main(void) {
+	int x = 1, y = 0, aoff = 0, boff = 0;
+	int max_y = 0, max_x = 0;
+	int max_y_new = 0, max_x_new = 0;
+	int direction = 1;
+	int pad_h = 5;
+	int a_score = 0, b_score = 0;
+	int slope_x = 5;
+	int slope_y = 1;
+	int index = 0;
+	int index_dir = 1;
+
+	// Initialize curses
+	initscr();
+	noecho();
+	curs_set(0);
+	nodelay(stdscr, 1); // Don't wait for getch input
+	index = max_y/2;
+	x = max_x/2;
+
+	while(1) {
+		getmaxyx(stdscr, max_y_new, max_x_new);
+		--max_x_new;
+		--max_y_new; 
+		pad_h = 0.2 * max_y;
+		if (max_y_new != max_y || max_x_new != max_x) {
+			clear();
+			max_x = max_x_new;
+			max_y = max_y_new;
+		}
+
+		index += index_dir;
+
+		// Parse keypresses
+		int key = getch();
+		if (key == 'q') {
+			die(0);
+		} else if (key == 'k') {
+			boff += 2;
+		} else if (key == 'i') {
+			boff -= 2;
+		} else if (key == 's') {
+			aoff += 2;
+		} else if (key == 'w') {
+			aoff -= 2;
+		}
+
+		// Draw paddles
+		for (int i = 0; i < max_y; i++) {
+			mvprintw(i, 0, " ");
+			mvprintw(i, max_x, " ");
+		}
+		for (int i = aoff; i < aoff + pad_h; i++) {
+			mvprintw(i, 0, "|");
+		}
+
+		for (int i = boff; i < boff + pad_h; i++) {
+			mvprintw(i, max_x, "|");
+		}
+
+		for (int i = 0; i < max_y; i++) {
+			mvprintw(i, max_x/2, ":");
+		}
+
+		mvprintw(0, 2, "%d", a_score);
+		mvprintw(0, max_x - 1, "%d", b_score);
+
+		// Move ball
+		mvprintw(y, x, " ");
+
+		x += direction;
+		y = index / slope_x * slope_y;
+		mvprintw(y, x, "o");
+
+		// Check if touching paddle
+		if (x == max_x) {
+			if (y >= boff && y <= boff + pad_h) {
+				direction *= -1;
+			} else {
+				a_score += 1;
+				usleep(600000);
+				x = max_x/2;
+				index = max_y/2;
+			}
+		} else if (x == 0) {
+			if (y >= aoff && y <= aoff + pad_h) {
+				direction *= -1;
+			} else {
+				b_score += 1;
+				usleep(600000);
+				x = max_x/2;
+				index = max_y/2;
+			}
+		} else if (y < 0 || y > max_y) {
+			index_dir *= -1;
+		}
+		usleep(3000000 * (1.0/((double)max_x + (double)max_y)));
+	}
+}
-- 
2.39.2