Add hard-landing bounce and --exit flag

- 20% of hard falls (fall fast → fall hard) now trigger a boing instead
  of walking immediately, matching the original eSheep behaviour
- esheep --exit kills all running eSheep instances (uses pgrep/SIGTERM,
  skips its own pid)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 26 insertions, 1 deletions

diff --git a/esheep.py b/esheep.py
index 190c4fd..1ec71a7 100644
--- a/esheep.py
+++ b/esheep.py
@@ -727,6 +727,12 @@ class SheepOverlay:
 
         self.cairo_surface = self._pil_to_cairo(self.sprite)
         self.dark_surface  = self._make_dark_surface(self.sprite)
+
+        # Patch fall-hard (10) to occasionally boing on landing — 20% chance
+        hard = self.anim_defs.get(10)
+        if hard:
+            hard.seq_nexts = [NextRef(probability=20, only='', anim_id=8),
+                              NextRef(probability=80, only='', anim_id=1)]
         self.wayfire = WayfireWindows()
         self.sheep_list: List[Sheep] = []
         self.ufos: List[UFO] = []
@@ -1113,13 +1119,32 @@ class SheepOverlay:
 # ─────────────────────── entry point ───────────────────────
 
 def main():
-    import argparse
+    import argparse, signal, subprocess
     p = argparse.ArgumentParser(description='eSheep for Wayland')
     p.add_argument('--xml',   default=os.path.join(os.path.dirname(__file__), 'animations.xml'),
                    help='Path to animations.xml')
     p.add_argument('--count', type=int, default=1, help='Number of sheep')
+    p.add_argument('--exit',  action='store_true',
+                   help='Kill any running eSheep instances and quit')
     args = p.parse_args()
 
+    if args.exit:
+        my_pid = os.getpid()
+        result = subprocess.run(['pgrep', '-f', 'esheep.py'],
+                                capture_output=True, text=True)
+        pids = [int(p) for p in result.stdout.split()
+                if p.strip() and int(p.strip()) != my_pid]
+        if pids:
+            for pid in pids:
+                try:
+                    os.kill(pid, signal.SIGTERM)
+                except ProcessLookupError:
+                    pass
+            print(f"Stopped {len(pids)} eSheep process(es).")
+        else:
+            print("No running eSheep found.")
+        sys.exit(0)
+
     if not os.path.exists(args.xml):
         print(f"animations.xml not found: {args.xml}", file=sys.stderr)
         sys.exit(1)