From 4551aa04a7705fdfd7c8af0f81bd32678556832c Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Tue, 2 Jul 2002 21:05:10 +0000
Subject: [PATCH] shift-C reveals collision solids

---
 panda/src/framework/pandaFramework.cxx | 74 ++++++++++++++++++++++++++
 panda/src/framework/pandaFramework.h   |  4 ++
 2 files changed, 78 insertions(+)

diff --git a/panda/src/framework/pandaFramework.cxx b/panda/src/framework/pandaFramework.cxx
index 8f289d2527..232ee4b672 100644
--- a/panda/src/framework/pandaFramework.cxx
+++ b/panda/src/framework/pandaFramework.cxx
@@ -22,6 +22,7 @@
 #include "eventQueue.h"
 #include "dataGraphTraverser.h"
 #include "interactiveGraphicsPipe.h"
+#include "collisionNode.h"
 #include "config_framework.h"
 
 ////////////////////////////////////////////////////////////////////
@@ -356,6 +357,58 @@ set_lighting(bool enable) {
   _lighting_enabled = enable;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PandaFramework::hide_collision_solids
+//       Access: Public
+//  Description: Hides any collision solids which are visible in the
+//               indicated scene graph.  Returns the number of
+//               collision solids hidden.
+////////////////////////////////////////////////////////////////////
+int PandaFramework::
+hide_collision_solids(NodePath node) {
+  int num_changed = 0;
+
+  if (node.node()->is_of_type(CollisionNode::get_class_type())) {
+    if (!node.is_hidden()) {
+      node.hide();
+      num_changed++;
+    }
+  }
+
+  int num_children = node.get_num_children();
+  for (int i = 0; i < num_children; i++) {
+    num_changed += hide_collision_solids(node.get_child(i));
+  }
+
+  return num_changed;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PandaFramework::show_collision_solids
+//       Access: Public
+//  Description: Shows any collision solids which are directly hidden
+//               in the indicated scene graph.  Returns the number of
+//               collision solids shown.
+////////////////////////////////////////////////////////////////////
+int PandaFramework::
+show_collision_solids(NodePath node) {
+  int num_changed = 0;
+
+  if (node.node()->is_of_type(CollisionNode::get_class_type())) {
+    if (node.get_hidden_ancestor() == node) {
+      node.show();
+      num_changed++;
+    }
+  }
+
+  int num_children = node.get_num_children();
+  for (int i = 0; i < num_children; i++) {
+    num_changed += show_collision_solids(node.get_child(i));
+  }
+
+  return num_changed;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PandaFramework::set_highlight
 //       Access: Public
@@ -488,6 +541,7 @@ do_enable_default_keys() {
   _event_handler.add_hook("b", event_b, this);
   _event_handler.add_hook("l", event_l, this);
   _event_handler.add_hook("c", event_c, this);
+  _event_handler.add_hook("shift-c", event_C, this);
   _event_handler.add_hook("shift-l", event_L, this);
   _event_handler.add_hook("h", event_h, this);
   _event_handler.add_hook("arrow_up", event_arrow_up, this);
@@ -589,6 +643,26 @@ event_c(CPT_Event, void *data) {
   }
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PandaFramework::event_C
+//       Access: Protected, Static
+//  Description: Default handler for shift-C key: toggle the showing
+//               of collision solids.
+////////////////////////////////////////////////////////////////////
+void PandaFramework::
+event_C(CPT_Event, void *data) {
+  PandaFramework *self = (PandaFramework *)data;
+
+  NodePath node = self->get_highlight();
+  if (node.is_empty()) {
+    node = self->get_models();
+  }
+
+  if (self->hide_collision_solids(node) == 0) {
+    self->show_collision_solids(node);
+  }
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PandaFramework::event_L
 //       Access: Protected, Static
diff --git a/panda/src/framework/pandaFramework.h b/panda/src/framework/pandaFramework.h
index dd0c1a20b5..218ee3dae2 100644
--- a/panda/src/framework/pandaFramework.h
+++ b/panda/src/framework/pandaFramework.h
@@ -78,6 +78,9 @@ public:
   INLINE bool get_two_sided() const;
   INLINE bool get_lighting() const;
 
+  static int hide_collision_solids(NodePath node);
+  static int show_collision_solids(NodePath node);
+
   void set_highlight(const NodePath &node);
   void clear_highlight();
   INLINE bool has_highlight() const;
@@ -102,6 +105,7 @@ protected:
   static void event_b(CPT_Event, void *data);
   static void event_l(CPT_Event, void *data);
   static void event_c(CPT_Event, void *data);
+  static void event_C(CPT_Event, void *data);
   static void event_L(CPT_Event, void *data);
   static void event_h(CPT_Event, void *data);
   static void event_arrow_up(CPT_Event, void *data);