1 files changed, 83 insertions, 0 deletions
diff --git a/extern/carve/lib/intersect_common.hpp b/extern/carve/lib/intersect_common.hpp
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+++ b/extern/carve/lib/intersect_common.hpp
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+// Begin License:
+// Copyright (C) 2006-2011 Tobias Sargeant (tobias.sargeant@gmail.com).
+// All rights reserved.
+//
+// This file is part of the Carve CSG Library (http://carve-csg.com/)
+//
+// This file may be used under the terms of the GNU General Public
+// License version 2.0 as published by the Free Software Foundation
+// and appearing in the file LICENSE.GPL2 included in the packaging of
+// this file.
+//
+// This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+// INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE.
+// End:
+
+
+#pragma once
+
+
+static inline bool facesAreCoplanar(const carve::mesh::MeshSet<3>::face_t *a, const carve::mesh::MeshSet<3>::face_t *b) {
+  carve::geom3d::Ray temp;
+  // XXX: Find a better definition. This may be a source of problems
+  // if floating point inaccuracies cause an incorrect answer.
+  return !carve::geom3d::planeIntersection(a->plane, b->plane, temp);
+}
+
+#if defined(CARVE_DEBUG)
+
+#include <carve/debug_hooks.hpp>
+
+#endif
+
+namespace carve {
+  namespace csg {
+
+    static inline carve::mesh::MeshSet<3>::vertex_t *map_vertex(const VVMap &vmap, carve::mesh::MeshSet<3>::vertex_t *v) {
+      VVMap::const_iterator i = vmap.find(v);
+      if (i == vmap.end()) return v;
+      return (*i).second;
+    }
+
+#if defined(CARVE_DEBUG)
+
+    class IntersectDebugHooks;
+    extern IntersectDebugHooks *g_debug;
+
+#define HOOK(x) do { if (g_debug) { g_debug->x } } while(0)
+
+    static inline void drawFaceLoopList(const FaceLoopList &ll,
+                                        float rF, float gF, float bF, float aF,
+                                        float rB, float gB, float bB, float aB,
+                                        bool lit) {
+      for (FaceLoop *flb = ll.head; flb; flb = flb->next) {
+        const carve::mesh::MeshSet<3>::face_t *f = (flb->orig_face);
+        std::vector<carve::mesh::MeshSet<3>::vertex_t *> &loop = flb->vertices;
+        HOOK(drawFaceLoop2(loop, f->plane.N, rF, gF, bF, aF, rB, gB, bB, aB, true, lit););
+        HOOK(drawFaceLoopWireframe(loop, f->plane.N, 1, 1, 1, 0.1f););
+      }
+    }
+
+    static inline void drawFaceLoopListWireframe(const FaceLoopList &ll) {
+      for (FaceLoop *flb = ll.head; flb; flb = flb->next) {
+        const carve::mesh::MeshSet<3>::face_t *f = (flb->orig_face);
+        std::vector<carve::mesh::MeshSet<3>::vertex_t *> &loop = flb->vertices;
+        HOOK(drawFaceLoopWireframe(loop, f->plane.N, 1, 1, 1, 0.1f););
+      }
+    }
+
+    template<typename T>
+    static inline void drawEdges(T begin, T end,
+                                 float rB, float gB, float bB, float aB,
+                                 float rE, float gE, float bE, float aE,
+                                 float w) {
+      for (; begin != end; ++begin) {
+        HOOK(drawEdge((*begin).first, (*begin).second, rB, gB, bB, aB, rE, gE, bE, aE, w););
+      }
+    }
+
+#endif
+
+  }
+}