From 9a72bd2af36099323c245a066d13b6464d795a32 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Mon, 07 Oct 2013 17:47:27 +0000
Subject: add support for querying remote turtle position, heading

---
(limited to 'plugins')

diff --git a/plugins/turtle_blocks_extras/turtle_blocks_extras.py b/plugins/turtle_blocks_extras/turtle_blocks_extras.py
index b1b003f..a0fa6c3 100644
--- a/plugins/turtle_blocks_extras/turtle_blocks_extras.py
+++ b/plugins/turtle_blocks_extras/turtle_blocks_extras.py
@@ -676,6 +676,26 @@ module found in the Journal'))
                             lambda self, x:
                             self.tw.turtles.set_turtle(x))
 
+        primitive_dictionary['turtlex'] = self._prim_turtle_x
+        palette.add_block('turtlex',
+                          style='number-style-1arg',
+                          label=_('turtle x'),
+                          prim_name='turtlex',
+                          default=['Yertle'],
+                          help_string=_('Returns x coordinate of turtle'))
+        self.tw.lc.def_prim('turtlex', 1,
+                            lambda self, t: primitive_dictionary['turtlex'](t))
+
+        primitive_dictionary['turtley'] = self._prim_turtle_y
+        palette.add_block('turtley',
+                          style='number-style-1arg',
+                          label=_('turtle y'),
+                          prim_name='turtley',
+                          default=['Yertle'],
+                          help_string=_('Returns y coordinate of turtle'))
+        self.tw.lc.def_prim('turtley', 1,
+                            lambda self, t: primitive_dictionary['turtley'](t))
+
         primitive_dictionary['activeturtle'] = self._prim_active_turtle
         palette.add_block('activeturtle',
                           style='box-style',
@@ -688,6 +708,16 @@ module found in the Journal'))
                             lambda self:
                             primitive_dictionary['activeturtle']())
 
+        primitive_dictionary['turtleh'] = self._prim_turtle_h
+        palette.add_block('turtleh',
+                          style='number-style-1arg',
+                          label=_('turtle heading'),
+                          prim_name='turtleh',
+                          default=['Yertle'],
+                          help_string=_('Returns heading of turtle'))
+        self.tw.lc.def_prim('turtleh', 1,
+                            lambda self, t: primitive_dictionary['turtleh'](t))
+
         primitive_dictionary['skin'] = self._prim_reskin
         palette.add_block('skin',
                           hidden=True,
@@ -1454,6 +1484,18 @@ Journal objects'))
             self.tw.lc.stop_logo()
             raise logoerror("#notanumber")
 
+    def _prim_turtle_x(self, t):
+        """ Return x coordinate of turtle t """
+        return self.tw.turtles.get_turtle_x(t)
+
+    def _prim_turtle_y(self, t):
+        """ Return y coordinate of turtle t """
+        return self.tw.turtles.get_turtle_y(t)
+
+    def _prim_turtle_h(self, t):
+        """ Return heading of turtle t """
+        return self.tw.turtles.get_turtle_heading(t)
+
     def _prim_clamp(self, blklist):
         """ Run clamp blklist """
         self.tw.lc.icall(self.tw.lc.evline, blklist[:])
--
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