From af1144b45d2fceb125ccb84292e245b3f59639de Mon Sep 17 00:00:00 2001
From: ac-stef <ac_stef@users.sf.net>
Date: Tue, 23 Aug 2016 00:42:00 +0200
Subject: [PATCH] optionally show ladder entities in edit mode

If enabled, render ladder entities as blue wireframes.


DOCREF showladderentities
---
 config/menus_edit.cfg   |  1 +
 source/src/entities.cpp | 13 ++++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/config/menus_edit.cfg b/config/menus_edit.cfg
index cbbb3610..3b05b6c2 100644
--- a/config/menus_edit.cfg
+++ b/config/menus_edit.cfg
@@ -496,6 +496,7 @@ menuitem "\f2\t\t     [ OK ]" [ watercolour $redw $greenw $bluew ]
 newmenu [Editing settings]
 menuitemslider    "Grid/Selection style: " 0 1 "$oldselstyle" 1 [triangles "squares (default)"] [ oldselstyle $arg1 ]
 menuitemcheckbox  "Show mapmodel clippings: " "$showmodelclipping" [ showmodelclipping $arg1 ]
+menuitemcheckbox  "Show ladder entities: " "$showladderentities" [ showladderentities $arg1 ]
 menuitemcheckbox  "Show all playerstarts: " "$showplayerstarts" [ showplayerstarts $arg1 ]
 menuitemslider    "Fly speeds multiplier: " 1 5 "$flyspeed" 1 [] [ flyspeed $arg1 ]
 // opt/autosave.cfg may add some entries
diff --git a/source/src/entities.cpp b/source/src/entities.cpp
index d310f488..f1118a7a 100644
--- a/source/src/entities.cpp
+++ b/source/src/entities.cpp
@@ -4,6 +4,7 @@
 
 VAR(showclips, 0, 1, 1);
 VAR(showmodelclipping, 0, 0, 1);
+VAR(showladderentities, 0, 0, 1);
 VAR(showplayerstarts, 0, 0, 1);
 
 vector<entity> ents;
@@ -57,6 +58,7 @@ void renderclip(entity &e)
         case CLIP:     linestyle(1, 0xFF, 0xFF, 0); break;  // yellow
         case MAPMODEL: linestyle(1, 0, 0xFF, 0);    break;  // green
         case PLCLIP:   linestyle(1, 0xFF, 0, 0xFF); break;  // magenta
+        case LADDER:   linestyle(1, 0, 0, 0xFF);    break;  // blue
     }
     glBegin(GL_LINES);
     loopi(16)
@@ -238,7 +240,6 @@ void renderentities()
                 if(mmi && mmi->h)
                 {
                     entity ce = e;
-                    ce.type = MAPMODEL;
                     ce.attr1 = (mmi->zoff + float(e.attr3) / ENTSCALE5) * ENTSCALE10;
                     ce.attr2 = ce.attr3 = mmi->rad * ENTSCALE5;
                     ce.attr4 = mmi->h * ENTSCALE5;
@@ -246,6 +247,16 @@ void renderentities()
                     renderclip(ce);
                 }
             }
+            else if(e.type == LADDER && showladderentities && !stenciling)
+            {
+                entity ce = e;
+                ce.attr1 = 0;
+                ce.attr2 = ce.attr3 = 0;
+                ce.attr4 = e.attr1 * ENTSCALE5;
+                ce.attr5 = ce.attr6 = 0;
+                ce.attr7 = 3;
+                renderclip(ce);
+            }
             else if(e.type == PLAYERSTART && showplayerstarts)
             {
                 vec o(e.x, e.y, 0);