Add Game Demo: nu-niversal paperclips

[0x4D5352]

Inspired by @kiil, this PR adds another game for exploration & inspiration - this time, based on the seminal incremental idle game Universal Paperclips.

This game implements a screen drawing loop with a roughly 60FPS framerate, asynchronous user interaction via the new job send and job recv commands, rudimentary deltatime calculations, and the ability to save and load state memory.

The game does not feature any of the special mechanics that emerge from the original, though a future project may emerge to make a more 1:1 replica of the original.

I have also updated the .gitignore to make sure no one accidentally pushes their game save to the repo after trying it out. 😃

[cablehead]

here's a patch to fix the "Clips per Second" calculation:

diff --git a/game.nu b/game.nu
index f9b58e8..ceab4e4 100644
--- a/game.nu
+++ b/game.nu
@@ -10,6 +10,7 @@ def make-paperclip [state, amount: int] {
   $new_state.paperclips.total += $amount
   $new_state.paperclips.stock += $amount
   $new_state.wire.length -= $amount
+  $new_state.paperclips.current_second_clips += $amount
   $new_state
 }
 
@@ -97,8 +98,10 @@ def main [] {
       total: 0
       stock: 0
       price: 25
-      rate: -1
+      rate: 0  # Changed from -1 to 0: This will show last second's rate
+      current_second_clips: 0  # Accumulator for current second
     }
+    last_second_timestamp: (date now)  # Track when current second started
     market: {
       demand: 0
       level: 1
@@ -157,6 +160,14 @@ def main [] {
     }
     let prev = date now
 
+    # Check if a second has passed and roll over counters
+    let now = date now
+    if ($now - $state.last_second_timestamp) >= 1sec {
+      $state.paperclips.rate = $state.paperclips.current_second_clips
+      $state.paperclips.current_second_clips = 0
+      $state.last_second_timestamp = $now
+    }
+
     if (($state.paperclips.total > 9) and ($state.autoclippers.count < 1)) and not $state.autoclippers.unlocked {
       $state.autoclippers.unlocked = true
       $state.control_line += "; [b]uy autoclipper"

[0x4D5352]

@cablehead hey!!! thanks so much for the fixes; pulled them in 😄

[fdncred]

Thanks! Looks cool!