From 0747716a70ba46dbd6a8d7091b864e02b754f56f Mon Sep 17 00:00:00 2001
From: Christian Heller <c.heller@plomlompom.de>
Date: Fri, 13 Nov 2020 23:52:34 +0100
Subject: [PATCH] Make some things block movement, and others not.

---
 plomrogue/tasks.py  | 5 +++--
 plomrogue/things.py | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/plomrogue/tasks.py b/plomrogue/tasks.py
index 2c0c3fc..e73b174 100644
--- a/plomrogue/tasks.py
+++ b/plomrogue/tasks.py
@@ -36,8 +36,9 @@ class Task_MOVE(Task):
         test_pos = self.get_move_target()
         if test_pos is None:
             raise PlayError('would move out of map')
-        elif test_pos in [t.position for t in self.thing.game.things]:
-            raise PlayError('would collide with other things')
+        elif test_pos in [t.position for t in self.thing.game.things
+                          if t.blocking]:
+            raise PlayError('blocked by other thing')
         elif self.thing.game.map[test_pos] != '.':
             raise PlayError('would move into illegal territory')
 
diff --git a/plomrogue/things.py b/plomrogue/things.py
index ecddc87..d1fc711 100644
--- a/plomrogue/things.py
+++ b/plomrogue/things.py
@@ -17,6 +17,7 @@ class ThingBase:
 
 
 class Thing(ThingBase):
+    blocking = False
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -39,6 +40,7 @@ class Thing_Stone(Thing):
 
 
 class ThingAnimate(Thing):
+    blocking = True
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-- 
2.30.2