From 684ba7deb1cf64d8add35570fb6dccc4b56d8c06 Mon Sep 17 00:00:00 2001
From: Jonathan Westhues <jwesthues@cq.cx>
Date: Sun, 21 Jun 2009 12:39:42 -0800
Subject: [PATCH] Add a menu item to rotate an imported part by ninety degrees
 about the coordinate axis closest to the screen normal.

[git-p4: depot-paths = "//depot/solvespace/": change = 1994]
---
 graphicswin.cpp | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 srf/boolean.cpp |  6 +++++-
 ui.h            |  1 +
 3 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/graphicswin.cpp b/graphicswin.cpp
index 3d3dd4c..0990332 100644
--- a/graphicswin.cpp
+++ b/graphicswin.cpp
@@ -32,7 +32,9 @@ const GraphicsWindow::MenuEntry GraphicsWindow::menu[] = {
 { 1, "&Redo\tCtrl+Y",                       MNU_REDO,           'Y'|C,  mEdit },
 { 1, "Re&generate All\tSpace",              MNU_REGEN_ALL,      ' ',    mEdit },
 { 1,  NULL,                                 0,                          NULL  },
+{ 1, "Rotate Imported &90°\t9",             MNU_ROTATE_90,      '9',    mEdit },
 { 1, "&Delete\tDel",                        MNU_DELETE,         127,    mEdit },
+
 { 1,  NULL,                                 0,                          NULL  },
 { 1, "&Unselect All\tEsc",                  MNU_UNSELECT_ALL,   27,     mEdit },
 
@@ -610,6 +612,53 @@ void GraphicsWindow::MenuEdit(int id) {
             break;
         }
 
+        case MNU_ROTATE_90: {
+            SS.GW.GroupSelection();
+            Entity *e = NULL;
+            if(SS.GW.gs.n == 1 && SS.GW.gs.points == 1) {
+                e = SK.GetEntity(SS.GW.gs.point[0]);
+            } else if(SS.GW.gs.n == 1 && SS.GW.gs.entities == 1) {
+                e = SK.GetEntity(SS.GW.gs.entity[0]);
+            }
+            SS.GW.ClearSelection();
+
+            hGroup hg = e ? e->group : SS.GW.activeGroup;
+            Group *g = SK.GetGroup(hg);
+            if(g->type != Group::IMPORTED) {
+                Error("To use this command, select a point or other "
+                      "entity from an imported part, or make an import "
+                      "group the active group.");
+                break;
+            }
+
+            hParam qw, qx, qy, qz;
+            qw = g->h.param(3);
+            qx = g->h.param(4);
+            qy = g->h.param(5);
+            qz = g->h.param(6);
+
+            SS.UndoRemember();
+            // Rotate by ninety degrees about the coordinate axis closest
+            // to the screen normal.
+            Quaternion q = Quaternion::From(qw, qx, qy, qz);
+            Vector norm = SS.GW.projRight.Cross(SS.GW.projUp);
+            norm = norm.ClosestOrtho();
+            norm = norm.WithMagnitude(1);
+            Quaternion qaa = Quaternion::From(norm, PI/2);
+            q = qaa.Times(q);
+
+            // And write the new quaternion
+            SK.GetParam(qw)->val = q.w;
+            SK.GetParam(qx)->val = q.vx;
+            SK.GetParam(qy)->val = q.vy;
+            SK.GetParam(qz)->val = q.vz;
+
+            // and regenerate as necessary.
+            SS.MarkGroupDirty(hg);
+            SS.GenerateAll();
+            break;
+        }
+
         case MNU_UNDO:
             SS.UndoUndo();
             break;
diff --git a/srf/boolean.cpp b/srf/boolean.cpp
index 4ee97e0..a27451f 100644
--- a/srf/boolean.cpp
+++ b/srf/boolean.cpp
@@ -241,7 +241,11 @@ static void TagByClassifiedEdge(int bspclass, int *indir, int *outdir)
             *outdir = SShell::INSIDE;
             break;
 
-        default: oops();
+        default:
+            dbp("TagByClassifiedEdge: fail!");
+            *indir  = SShell::OUTSIDE;
+            *outdir = SShell::OUTSIDE;
+            break;
     }
 }
 
diff --git a/ui.h b/ui.h
index 0594961..630f1c6 100644
--- a/ui.h
+++ b/ui.h
@@ -204,6 +204,7 @@ public:
         MNU_UNDO,
         MNU_REDO,
         MNU_DELETE,
+        MNU_ROTATE_90,
         MNU_UNSELECT_ALL,
         MNU_REGEN_ALL,
         // Request