2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if !defined(INCLUDED_PATCH_H)
23 #define INCLUDED_PATCH_H
26 /// \brief The patch primitive.
28 /// A 2-dimensional matrix of vertices that define a quadratic bezier surface.
29 /// The Boundary-Representation of this primitive is a triangle mesh.
30 /// The surface is recursively tesselated until the angle between each triangle
31 /// edge is smaller than a specified tolerance.
38 #include "renderable.h"
40 #include "selectable.h"
42 #include "debugging/debugging.h"
46 #include "math/frustum.h"
47 #include "string/string.h"
48 #include "stream/stringstream.h"
49 #include "stream/textstream.h"
50 #include "xml/xmlelement.h"
52 #include "transformlib.h"
53 #include "instancelib.h"
54 #include "selectionlib.h"
55 #include "traverselib.h"
58 #include "shaderlib.h"
59 #include "generic/callback.h"
60 #include "signal/signalfwd.h"
61 #include "texturelib.h"
63 #include "dragplanes.h"
71 extern int g_PatchSubdivideThreshold;
74 #define MIN_PATCH_WIDTH 3
75 #define MIN_PATCH_HEIGHT 3
77 extern std::size_t MAX_PATCH_WIDTH;
78 extern std::size_t MAX_PATCH_HEIGHT;
80 #define MAX_PATCH_ROWCTRL (((MAX_PATCH_WIDTH-1)-1)/2)
81 #define MAX_PATCH_COLCTRL (((MAX_PATCH_HEIGHT-1)-1)/2)
117 const std::size_t BEZIERCURVETREE_MAX_INDEX = 1 << ((sizeof(std::size_t) * 8) - 1);
119 struct BezierCurveTree
122 BezierCurveTree* left;
123 BezierCurveTree* right;
126 inline bool BezierCurveTree_isLeaf(const BezierCurveTree* node)
128 return node->left == 0 && node->right == 0;
131 void BezierCurveTree_Delete(BezierCurveTree *pCurve);
134 inline VertexPointer vertexpointer_arbitrarymeshvertex(const ArbitraryMeshVertex* array)
136 return VertexPointer(VertexPointer::pointer(&array->vertex), sizeof(ArbitraryMeshVertex));
146 typedef PatchControl* PatchControlIter;
147 typedef const PatchControl* PatchControlConstIter;
149 inline void copy_ctrl(PatchControlIter ctrl, PatchControlConstIter begin, PatchControlConstIter end)
151 std::copy(begin, end, ctrl);
154 const Colour4b colour_corner(0, 255, 0, 255);
155 const Colour4b colour_inside(255, 0, 255, 255);
162 virtual bool filter(const Patch& patch) const = 0;
165 bool patch_filtered(Patch& patch);
166 void add_patch_filter(PatchFilter& filter, int mask, bool invert = false);
168 void Patch_addTextureChangedCallback(const SignalHandler& handler);
169 void Patch_textureChanged();
171 inline void BezierCurveTreeArray_deleteAll(Array<BezierCurveTree*>& curveTrees)
173 for(Array<BezierCurveTree*>::iterator i = curveTrees.begin(); i != curveTrees.end(); ++i)
175 BezierCurveTree_Delete(*i);
179 inline void PatchControlArray_invert(Array<PatchControl>& ctrl, std::size_t width, std::size_t height)
181 Array<PatchControl> tmp(width);
183 PatchControlIter from = ctrl.data() + (width * (height - 1));
184 PatchControlIter to = ctrl.data();
185 for(std::size_t h = 0; h != ((height - 1) >> 1); ++h, to += width, from -= width)
187 copy_ctrl(tmp.data(), to, to + width);
188 copy_ctrl(to, from, from + width);
189 copy_ctrl(from, tmp.data(), tmp.data() + width);
193 class PatchTesselation
196 Array<ArbitraryMeshVertex> m_vertices;
197 Array<RenderIndex> m_indices;
198 std::size_t m_numStrips;
199 std::size_t m_lenStrips;
201 Array<std::size_t> m_arrayWidth;
202 std::size_t m_nArrayWidth;
203 Array<std::size_t> m_arrayHeight;
204 std::size_t m_nArrayHeight;
206 Array<BezierCurveTree*> m_curveTreeU;
207 Array<BezierCurveTree*> m_curveTreeV;
210 class RenderablePatchWireframe : public OpenGLRenderable
212 PatchTesselation& m_tess;
214 RenderablePatchWireframe(PatchTesselation& tess) : m_tess(tess)
217 void render(RenderStateFlags state) const
221 glVertexPointer(3, GL_FLOAT, 0, 0);
222 glDrawArrays(GL_TRIANGLE_FAN, 0, 0);
226 glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
227 for(std::size_t i = 0; i <= m_tess.m_curveTreeV.size(); ++i)
229 glDrawArrays(GL_LINE_STRIP, GLint(n), GLsizei(m_tess.m_nArrayWidth));
231 if(i == m_tess.m_curveTreeV.size()) break;
233 if(!BezierCurveTree_isLeaf(m_tess.m_curveTreeV[i]))
234 glDrawArrays(GL_LINE_STRIP, GLint(m_tess.m_curveTreeV[i]->index), GLsizei(m_tess.m_nArrayWidth));
236 n += (m_tess.m_arrayHeight[i]*m_tess.m_nArrayWidth);
242 const ArbitraryMeshVertex* p = m_tess.m_vertices.data();
243 std::size_t n = m_tess.m_nArrayWidth * sizeof(ArbitraryMeshVertex);
244 for(std::size_t i = 0; i <= m_tess.m_curveTreeU.size(); ++i)
246 glVertexPointer(3, GL_FLOAT, GLsizei(n), &p->vertex);
247 glDrawArrays(GL_LINE_STRIP, 0, GLsizei(m_tess.m_nArrayHeight));
249 if(i == m_tess.m_curveTreeU.size()) break;
251 if(!BezierCurveTree_isLeaf(m_tess.m_curveTreeU[i]))
253 glVertexPointer(3, GL_FLOAT, GLsizei(n), &(m_tess.m_vertices.data() + (m_tess.m_curveTreeU[i]->index))->vertex);
254 glDrawArrays(GL_LINE_STRIP, 0, GLsizei(m_tess.m_nArrayHeight));
257 p += m_tess.m_arrayWidth[i];
263 class RenderablePatchFixedWireframe : public OpenGLRenderable
265 PatchTesselation& m_tess;
267 RenderablePatchFixedWireframe(PatchTesselation& tess) : m_tess(tess)
270 void render(RenderStateFlags state) const
272 glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
273 const RenderIndex* strip_indices = m_tess.m_indices.data();
274 for(std::size_t i = 0; i<m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips)
276 glDrawElements(GL_QUAD_STRIP, GLsizei(m_tess.m_lenStrips), RenderIndexTypeID, strip_indices);
281 class RenderablePatchSolid : public OpenGLRenderable
283 PatchTesselation& m_tess;
285 RenderablePatchSolid(PatchTesselation& tess) : m_tess(tess)
288 void RenderNormals() const;
289 void render(RenderStateFlags state) const
292 if((state & RENDER_FILL) == 0)
294 RenderablePatchWireframe(m_tess).render(state);
299 if((state & RENDER_BUMP) != 0)
301 if(GlobalShaderCache().useShaderLanguage())
303 glNormalPointer(GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
304 glVertexAttribPointerARB(c_attr_TexCoord0, 2, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
305 glVertexAttribPointerARB(c_attr_Tangent, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->tangent);
306 glVertexAttribPointerARB(c_attr_Binormal, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->bitangent);
310 glVertexAttribPointerARB(11, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
311 glVertexAttribPointerARB(8, 2, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
312 glVertexAttribPointerARB(9, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->tangent);
313 glVertexAttribPointerARB(10, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->bitangent);
318 glNormalPointer(GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
319 glTexCoordPointer(2, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
321 glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
322 const RenderIndex* strip_indices = m_tess.m_indices.data();
323 for(std::size_t i = 0; i<m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips)
325 glDrawElements(GL_QUAD_STRIP, GLsizei(m_tess.m_lenStrips), RenderIndexTypeID, strip_indices);
335 // parametric surface defined by quadratic bezier control curves
339 public TransformNode,
357 xml_state_t(EState state)
364 const char* content() const
366 return m_content.c_str();
368 std::size_t write(const char* buffer, std::size_t length)
370 return m_content.write(buffer, length);
374 StringOutputStream m_content;
377 std::vector<xml_state_t> m_xml_state;
379 typedef Array<PatchControl> PatchControlArray;
381 class SavedState : public UndoMemento
387 const PatchControlArray& ctrl,
390 std::size_t subdivisions_x,
391 std::size_t subdivisions_y
397 m_patchDef3(patchDef3),
398 m_subdivisions_x(subdivisions_x),
399 m_subdivisions_y(subdivisions_y)
408 std::size_t m_width, m_height;
409 CopiedString m_shader;
410 PatchControlArray m_ctrl;
412 std::size_t m_subdivisions_x;
413 std::size_t m_subdivisions_y;
420 virtual void allocate(std::size_t size) = 0;
424 typedef UniqueSet<Observer*> Observers;
425 Observers m_observers;
429 AABB m_aabb_local; // local bbox
431 CopiedString m_shader;
435 std::size_t m_height;
438 std::size_t m_subdivisions_x;
439 std::size_t m_subdivisions_y;
442 UndoObserver* m_undoable_observer;
445 // dynamically allocated array of control points, size is m_width*m_height
446 PatchControlArray m_ctrl;
447 PatchControlArray m_ctrlTransformed;
449 PatchTesselation m_tess;
450 RenderablePatchSolid m_render_solid;
451 RenderablePatchWireframe m_render_wireframe;
452 RenderablePatchFixedWireframe m_render_wireframe_fixed;
454 static Shader* m_state_ctrl;
455 static Shader* m_state_lattice;
456 VertexBuffer<PointVertex> m_ctrl_vertices;
457 RenderableVertexBuffer m_render_ctrl;
458 IndexBuffer m_lattice_indices;
459 RenderableIndexBuffer m_render_lattice;
463 bool m_transformChanged;
464 Callback m_evaluateTransform;
465 Callback m_boundsChanged;
470 m_width = m_height = 0;
473 m_subdivisions_x = 0;
474 m_subdivisions_y = 0;
479 m_xml_state.push_back(xml_state_t::eDefault);
483 Callback m_lightsChanged;
485 static int m_CycleCapIndex;// = 0;
486 static EPatchType m_type;
488 STRING_CONSTANT(Name, "Patch");
490 Patch(scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged) :
492 m_shader(texdef_name_default()),
494 m_undoable_observer(0),
496 m_render_solid(m_tess),
497 m_render_wireframe(m_tess),
498 m_render_wireframe_fixed(m_tess),
499 m_render_ctrl(GL_POINTS, m_ctrl_vertices),
500 m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
501 m_transformChanged(false),
502 m_evaluateTransform(evaluateTransform),
503 m_boundsChanged(boundsChanged)
507 Patch(const Patch& other, scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged) :
509 m_shader(texdef_name_default()),
511 m_undoable_observer(0),
513 m_render_solid(m_tess),
514 m_render_wireframe(m_tess),
515 m_render_wireframe_fixed(m_tess),
516 m_render_ctrl(GL_POINTS, m_ctrl_vertices),
517 m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
518 m_transformChanged(false),
519 m_evaluateTransform(evaluateTransform),
520 m_boundsChanged(boundsChanged)
524 m_patchDef3 = other.m_patchDef3;
525 m_subdivisions_x = other.m_subdivisions_x;
526 m_subdivisions_y = other.m_subdivisions_y;
527 setDims(other.m_width, other.m_height);
528 copy_ctrl(m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data()+(m_width*m_height));
529 SetShader(other.m_shader.c_str());
530 controlPointsChanged();
533 Patch(const Patch& other) :
536 TransformNode(other),
543 m_undoable_observer(0),
545 m_render_solid(m_tess),
546 m_render_wireframe(m_tess),
547 m_render_wireframe_fixed(m_tess),
548 m_render_ctrl(GL_POINTS, m_ctrl_vertices),
549 m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
550 m_transformChanged(false),
551 m_evaluateTransform(other.m_evaluateTransform),
552 m_boundsChanged(other.m_boundsChanged)
556 m_patchDef3 = other.m_patchDef3;
557 m_subdivisions_x = other.m_subdivisions_x;
558 m_subdivisions_y = other.m_subdivisions_y;
559 setDims(other.m_width, other.m_height);
560 copy_ctrl(m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data()+(m_width*m_height));
561 SetShader(other.m_shader.c_str());
562 controlPointsChanged();
567 BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeU);
568 BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeV);
572 ASSERT_MESSAGE(m_observers.empty(), "Patch::~Patch: observers still attached");
575 InstanceCounter m_instanceCounter;
576 void instanceAttach(const scene::Path& path)
578 if(++m_instanceCounter.m_count == 1)
580 m_state->incrementUsed();
581 m_map = path_find_mapfile(path.begin(), path.end());
582 m_undoable_observer = GlobalUndoSystem().observer(this);
583 GlobalFilterSystem().registerFilterable(*this);
587 ASSERT_MESSAGE(path_find_mapfile(path.begin(), path.end()) == m_map, "node is instanced across more than one file");
590 void instanceDetach(const scene::Path& path)
592 if(--m_instanceCounter.m_count == 0)
595 m_undoable_observer = 0;
596 GlobalUndoSystem().release(this);
597 GlobalFilterSystem().unregisterFilterable(*this);
598 m_state->decrementUsed();
602 const char* name() const
606 void attach(const NameCallback& callback)
609 void detach(const NameCallback& callback)
613 void attach(Observer* observer)
615 observer->allocate(m_width * m_height);
617 m_observers.insert(observer);
619 void detach(Observer* observer)
621 m_observers.erase(observer);
624 void updateFiltered()
628 if(patch_filtered(*this))
630 m_node->enable(scene::Node::eFiltered);
634 m_node->disable(scene::Node::eFiltered);
639 void onAllocate(std::size_t size)
641 for(Observers::iterator i = m_observers.begin(); i != m_observers.end(); ++i)
643 (*i)->allocate(size);
647 const Matrix4& localToParent() const
649 return g_matrix4_identity;
651 const AABB& localAABB() const
655 VolumeIntersectionValue intersectVolume(const VolumeTest& test, const Matrix4& localToWorld) const
657 return test.TestAABB(m_aabb_local, localToWorld);
659 void render_solid(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
661 renderer.SetState(m_state, Renderer::eFullMaterials);
662 renderer.addRenderable(m_render_solid, localToWorld);
664 void render_wireframe(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
666 renderer.SetState(m_state, Renderer::eFullMaterials);
669 renderer.addRenderable(m_render_wireframe_fixed, localToWorld);
673 renderer.addRenderable(m_render_wireframe, localToWorld);
677 void render_component(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
679 renderer.SetState(m_state_lattice, Renderer::eWireframeOnly);
680 renderer.SetState(m_state_lattice, Renderer::eFullMaterials);
681 renderer.addRenderable(m_render_lattice, localToWorld);
683 renderer.SetState(m_state_ctrl, Renderer::eWireframeOnly);
684 renderer.SetState(m_state_ctrl, Renderer::eFullMaterials);
685 renderer.addRenderable(m_render_ctrl, localToWorld);
687 void testSelect(Selector& selector, SelectionTest& test)
689 SelectionIntersection best;
690 IndexPointer::index_type* pIndex = m_tess.m_indices.data();
691 for(std::size_t s=0; s<m_tess.m_numStrips; s++)
693 test.TestQuadStrip(vertexpointer_arbitrarymeshvertex(m_tess.m_vertices.data()), IndexPointer(pIndex, m_tess.m_lenStrips), best);
694 pIndex += m_tess.m_lenStrips;
698 selector.addIntersection(best);
701 void transform(const Matrix4& matrix)
703 for(PatchControlIter i = m_ctrlTransformed.data(); i != m_ctrlTransformed.data() + m_ctrlTransformed.size(); ++i)
705 matrix4_transform_point(matrix, (*i).m_vertex);
708 if(matrix4_handedness(matrix) == MATRIX4_LEFTHANDED)
710 PatchControlArray_invert(m_ctrlTransformed, m_width, m_height);
714 void transformChanged()
716 m_transformChanged = true;
720 typedef MemberCaller<Patch, &Patch::transformChanged> TransformChangedCaller;
722 void evaluateTransform()
724 if(m_transformChanged)
726 m_transformChanged = false;
728 m_evaluateTransform();
732 void revertTransform()
734 m_ctrlTransformed = m_ctrl;
736 void freezeTransform()
740 ASSERT_MESSAGE(m_ctrlTransformed.size() == m_ctrl.size(), "Patch::freeze: size mismatch");
741 std::copy(m_ctrlTransformed.begin(), m_ctrlTransformed.end(), m_ctrl.begin());
744 void controlPointsChanged()
751 void snapto(float snap)
755 for(PatchControlIter i = m_ctrl.data(); i != m_ctrl.data() + m_ctrl.size(); ++i)
757 vector3_snap((*i).m_vertex, snap);
760 controlPointsChanged();
766 void RenderDebug(RenderStateFlags state) const;
767 void RenderNormals(RenderStateFlags state) const;
769 void pushElement(const XMLElement& element)
771 switch(m_xml_state.back().state())
773 case xml_state_t::eDefault:
774 ASSERT_MESSAGE(string_equal(element.name(), "patch"), "parse error");
775 m_xml_state.push_back(xml_state_t::ePatch);
777 case xml_state_t::ePatch:
778 if(string_equal(element.name(), "matrix"))
780 setDims(atoi(element.attribute("width")), atoi(element.attribute("height")));
781 m_xml_state.push_back(xml_state_t::eMatrix);
783 else if(string_equal(element.name(), "shader"))
785 m_xml_state.push_back(xml_state_t::eShader);
789 ERROR_MESSAGE("parse error");
793 void popElement(const char* name)
795 switch(m_xml_state.back().state())
797 case xml_state_t::eDefault:
798 ERROR_MESSAGE("parse error");
800 case xml_state_t::ePatch:
802 case xml_state_t::eMatrix:
804 StringTokeniser content(m_xml_state.back().content());
806 for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
808 (*i).m_vertex[0] = string_read_float(content.getToken());
809 (*i).m_vertex[1] = string_read_float(content.getToken());
810 (*i).m_vertex[2] = string_read_float(content.getToken());
811 (*i).m_texcoord[0] = string_read_float(content.getToken());
812 (*i).m_texcoord[1] = string_read_float(content.getToken());
814 controlPointsChanged();
817 case xml_state_t::eShader:
819 SetShader(m_xml_state.back().content());
823 ERROR_MESSAGE("parse error");
826 ASSERT_MESSAGE(!m_xml_state.empty(), "popping empty stack");
827 m_xml_state.pop_back();
829 std::size_t write(const char* buffer, std::size_t length)
831 switch(m_xml_state.back().state())
833 case xml_state_t::eDefault:
835 case xml_state_t::ePatch:
837 case xml_state_t::eMatrix:
838 case xml_state_t::eShader:
839 return m_xml_state.back().write(buffer, length);
842 ERROR_MESSAGE("parse error");
847 void exportXML(XMLImporter& importer)
849 StaticElement patchElement("patch");
850 importer.pushElement(patchElement);
853 const StaticElement element("shader");
854 importer.pushElement(element);
855 importer.write(m_shader.c_str(), strlen(m_shader.c_str()));
856 importer.popElement(element.name());
860 char width[16], height[16];
861 sprintf(width, "%u", Unsigned(m_width));
862 sprintf(height, "%u", Unsigned(m_height));
863 StaticElement element("matrix");
864 element.insertAttribute("width", width);
865 element.insertAttribute("height", height);
867 importer.pushElement(element);
869 for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
871 importer << (*i).m_vertex[0]
872 << ' ' << (*i).m_vertex[1]
873 << ' ' << (*i).m_vertex[2]
874 << ' ' << (*i).m_texcoord[0]
875 << ' ' << (*i).m_texcoord[1];
878 importer.popElement(element.name());
881 importer.popElement(patchElement.name());
884 void UpdateCachedData();
886 const char *GetShader() const
888 return m_shader.c_str();
890 void SetShader(const char* name)
892 ASSERT_NOTNULL(name);
894 if(shader_equal(m_shader.c_str(), name))
899 if(m_instanceCounter.m_count != 0)
901 m_state->decrementUsed();
906 if(m_instanceCounter.m_count != 0)
908 m_state->incrementUsed();
912 Patch_textureChanged();
914 int getShaderFlags() const
918 return m_state->getFlags();
923 typedef PatchControl* iterator;
924 typedef const PatchControl* const_iterator;
928 return m_ctrl.data();
930 const_iterator begin() const
932 return m_ctrl.data();
936 return m_ctrl.data() + m_ctrl.size();
938 const_iterator end() const
940 return m_ctrl.data() + m_ctrl.size();
943 PatchControlArray& getControlPointsTransformed()
945 return m_ctrlTransformed;
948 void setDims (std::size_t w, std::size_t h);
949 std::size_t getWidth() const
953 std::size_t getHeight() const
957 PatchControl& ctrlAt(std::size_t row, std::size_t col)
959 return m_ctrl[row*m_width+col];
961 const PatchControl& ctrlAt(std::size_t row, std::size_t col) const
963 return m_ctrl[row*m_width+col];
966 void ConstructPrefab(const AABB& aabb, EPatchPrefab eType, int axis, std::size_t width = 3, std::size_t height = 3);
967 void constructPlane(const AABB& aabb, int axis, std::size_t width, std::size_t height);
969 void TransposeMatrix();
970 void Redisperse(EMatrixMajor mt);
971 void InsertRemove(bool bInsert, bool bColumn, bool bFirst);
972 Patch* MakeCap(Patch* patch, EPatchCap eType, EMatrixMajor mt, bool bFirst);
973 void ConstructSeam(EPatchCap eType, Vector3* p, std::size_t width);
975 void FlipTexture(int nAxis);
976 void TranslateTexture(float s, float t);
977 void ScaleTexture(float s, float t);
978 void RotateTexture(float angle);
979 void SetTextureRepeat(float s, float t); // call with s=1 t=1 for FIT
981 void NaturalTexture();
982 void ProjectTexture(int nAxis);
990 if(m_undoable_observer != 0)
992 m_undoable_observer->save(this);
996 UndoMemento* exportState() const
998 return new SavedState(m_width, m_height, m_ctrl, m_shader.c_str(), m_patchDef3, m_subdivisions_x, m_subdivisions_y);
1000 void importState(const UndoMemento* state)
1004 const SavedState& other = *(static_cast<const SavedState*>(state));
1006 // begin duplicate of SavedState copy constructor, needs refactoring
1010 m_width = other.m_width;
1011 m_height = other.m_height;
1012 SetShader(other.m_shader.c_str());
1013 m_ctrl = other.m_ctrl;
1014 onAllocate(m_ctrl.size());
1015 m_patchDef3 = other.m_patchDef3;
1016 m_subdivisions_x = other.m_subdivisions_x;
1017 m_subdivisions_y = other.m_subdivisions_y;
1020 // end duplicate code
1022 Patch_textureChanged();
1024 controlPointsChanged();
1027 static void constructStatic(EPatchType type)
1029 Patch::m_type = type;
1030 Patch::m_state_ctrl = GlobalShaderCache().capture("$POINT");
1031 Patch::m_state_lattice = GlobalShaderCache().capture("$LATTICE");
1034 static void destroyStatic()
1036 GlobalShaderCache().release("$LATTICE");
1037 GlobalShaderCache().release("$POINT");
1040 void captureShader()
1042 m_state = GlobalShaderCache().capture(m_shader.c_str());
1045 void releaseShader()
1047 GlobalShaderCache().release(m_shader.c_str());
1052 if(!shader_valid(GetShader()))
1054 globalErrorStream() << "patch has invalid texture name: '" << GetShader() << "'\n";
1058 void InsertPoints(EMatrixMajor mt, bool bFirst);
1059 void RemovePoints(EMatrixMajor mt, bool bFirst);
1061 void AccumulateBBox();
1063 void TesselateSubMatrixFixed(ArbitraryMeshVertex* vertices, std::size_t strideX, std::size_t strideY, unsigned int nFlagsX, unsigned int nFlagsY, PatchControl* subMatrix[3][3]);
1065 // uses binary trees representing bezier curves to recursively tesselate a bezier sub-patch
1066 void TesselateSubMatrix( const BezierCurveTree *BX, const BezierCurveTree *BY,
1067 std::size_t offStartX, std::size_t offStartY,
1068 std::size_t offEndX, std::size_t offEndY,
1069 std::size_t nFlagsX, std::size_t nFlagsY,
1070 Vector3& left, Vector3& mid, Vector3& right,
1071 Vector2& texLeft, Vector2& texMid, Vector2& texRight,
1074 // tesselates the entire surface
1075 void BuildTesselationCurves(EMatrixMajor major);
1076 void accumulateVertexTangentSpace(std::size_t index, Vector3 tangentX[6], Vector3 tangentY[6], Vector2 tangentS[6], Vector2 tangentT[6], std::size_t index0, std::size_t index1);
1077 void BuildVertexArray();
1080 inline bool Patch_importHeader(Patch& patch, Tokeniser& tokeniser)
1082 tokeniser.nextLine();
1083 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "{"));
1087 inline bool Patch_importShader(Patch& patch, Tokeniser& tokeniser)
1089 // parse shader name
1090 tokeniser.nextLine();
1091 const char* texture = tokeniser.getToken();
1094 Tokeniser_unexpectedError(tokeniser, texture, "#texture-name");
1097 if(string_equal(texture, "NULL"))
1099 patch.SetShader(texdef_name_default());
1103 StringOutputStream shader(string_length(GlobalTexturePrefix_get()) + string_length(texture));
1104 shader << GlobalTexturePrefix_get() << texture;
1105 patch.SetShader(shader.c_str());
1110 inline bool PatchDoom3_importShader(Patch& patch, Tokeniser& tokeniser)
1112 // parse shader name
1113 tokeniser.nextLine();
1114 const char *shader = tokeniser.getToken();
1117 Tokeniser_unexpectedError(tokeniser, shader, "#shader-name");
1120 if(string_equal(shader, "_emptyname"))
1122 shader = texdef_name_default();
1124 patch.SetShader(shader);
1128 inline bool Patch_importParams(Patch& patch, Tokeniser& tokeniser)
1130 tokeniser.nextLine();
1131 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1133 // parse matrix dimensions
1136 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, c));
1137 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, r));
1139 patch.setDims(c, r);
1142 if(patch.m_patchDef3)
1144 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_x));
1145 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_y));
1148 // ignore contents/flags/value
1150 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1151 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1152 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1154 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1158 inline bool Patch_importMatrix(Patch& patch, Tokeniser& tokeniser)
1161 tokeniser.nextLine();
1162 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1164 for(std::size_t c=0; c<patch.getWidth(); c++)
1166 tokeniser.nextLine();
1167 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1168 for(std::size_t r=0; r<patch.getHeight(); r++)
1170 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1172 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[0]));
1173 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[1]));
1174 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[2]));
1175 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[0]));
1176 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[1]));
1178 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1180 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1183 tokeniser.nextLine();
1184 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1188 inline bool Patch_importFooter(Patch& patch, Tokeniser& tokeniser)
1190 patch.controlPointsChanged();
1192 tokeniser.nextLine();
1193 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
1195 tokeniser.nextLine();
1196 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
1200 class PatchTokenImporter : public MapImporter
1204 PatchTokenImporter(Patch& patch) : m_patch(patch)
1207 bool importTokens(Tokeniser& tokeniser)
1209 RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
1210 RETURN_FALSE_IF_FAIL(Patch_importShader(m_patch, tokeniser));
1211 RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
1212 RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
1213 RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
1219 class PatchDoom3TokenImporter : public MapImporter
1223 PatchDoom3TokenImporter(Patch& patch) : m_patch(patch)
1226 bool importTokens(Tokeniser& tokeniser)
1228 RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
1229 RETURN_FALSE_IF_FAIL(PatchDoom3_importShader(m_patch, tokeniser));
1230 RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
1231 RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
1232 RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
1238 inline void Patch_exportHeader(const Patch& patch, TokenWriter& writer)
1240 writer.writeToken("{");
1242 writer.writeToken(patch.m_patchDef3 ? "patchDef3" : "patchDef2");
1244 writer.writeToken("{");
1248 inline void Patch_exportShader(const Patch& patch, TokenWriter& writer)
1250 // write shader name
1251 if(*(shader_get_textureName(patch.GetShader())) == '\0')
1253 writer.writeToken("NULL");
1257 writer.writeToken(shader_get_textureName(patch.GetShader()));
1262 inline void PatchDoom3_exportShader(const Patch& patch, TokenWriter& writer)
1264 // write shader name
1265 if(*(shader_get_textureName(patch.GetShader())) == '\0')
1267 writer.writeString("_emptyname");
1271 writer.writeString(patch.GetShader());
1276 inline void Patch_exportParams(const Patch& patch, TokenWriter& writer)
1278 // write matrix dimensions
1279 writer.writeToken("(");
1280 writer.writeUnsigned(patch.getWidth());
1281 writer.writeUnsigned(patch.getHeight());
1282 if(patch.m_patchDef3)
1284 writer.writeUnsigned(patch.m_subdivisions_x);
1285 writer.writeUnsigned(patch.m_subdivisions_y);
1287 writer.writeInteger(0);
1288 writer.writeInteger(0);
1289 writer.writeInteger(0);
1290 writer.writeToken(")");
1294 inline void Patch_exportMatrix(const Patch& patch, TokenWriter& writer)
1297 writer.writeToken("(");
1299 for(std::size_t c=0; c<patch.getWidth(); c++)
1301 writer.writeToken("(");
1302 for(std::size_t r=0; r<patch.getHeight(); r++)
1304 writer.writeToken("(");
1306 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[0]);
1307 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[1]);
1308 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[2]);
1309 writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[0]);
1310 writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[1]);
1312 writer.writeToken(")");
1314 writer.writeToken(")");
1317 writer.writeToken(")");
1321 inline void Patch_exportFooter(const Patch& patch, TokenWriter& writer)
1323 writer.writeToken("}");
1325 writer.writeToken("}");
1329 class PatchTokenExporter : public MapExporter
1331 const Patch& m_patch;
1333 PatchTokenExporter(Patch& patch) : m_patch(patch)
1336 void exportTokens(TokenWriter& writer) const
1338 Patch_exportHeader(m_patch, writer);
1339 Patch_exportShader(m_patch, writer);
1340 Patch_exportParams(m_patch, writer);
1341 Patch_exportMatrix(m_patch, writer);
1342 Patch_exportFooter(m_patch, writer);
1346 class PatchDoom3TokenExporter : public MapExporter
1348 const Patch& m_patch;
1350 PatchDoom3TokenExporter(Patch& patch) : m_patch(patch)
1353 void exportTokens(TokenWriter& writer) const
1355 Patch_exportHeader(m_patch, writer);
1356 PatchDoom3_exportShader(m_patch, writer);
1357 Patch_exportParams(m_patch, writer);
1358 Patch_exportMatrix(m_patch, writer);
1359 Patch_exportFooter(m_patch, writer);
1363 class PatchControlInstance
1366 PatchControl* m_ctrl;
1367 ObservedSelectable m_selectable;
1369 PatchControlInstance(PatchControl* ctrl, const SelectionChangeCallback& observer)
1370 : m_ctrl(ctrl), m_selectable(observer)
1374 void testSelect(Selector& selector, SelectionTest& test)
1376 SelectionIntersection best;
1377 test.TestPoint(m_ctrl->m_vertex, best);
1380 Selector_add(selector, m_selectable, best);
1383 void snapto(float snap)
1385 vector3_snap(m_ctrl->m_vertex, snap);
1390 class PatchInstance :
1391 public Patch::Observer,
1392 public scene::Instance,
1395 public SelectionTestable,
1396 public ComponentSelectionTestable,
1397 public ComponentEditable,
1398 public ComponentSnappable,
1399 public PlaneSelectable,
1400 public LightCullable
1404 InstanceTypeCastTable m_casts;
1408 InstanceStaticCast<PatchInstance, Selectable>::install(m_casts);
1409 InstanceContainedCast<PatchInstance, Bounded>::install(m_casts);
1410 InstanceContainedCast<PatchInstance, Cullable>::install(m_casts);
1411 InstanceStaticCast<PatchInstance, Renderable>::install(m_casts);
1412 InstanceStaticCast<PatchInstance, SelectionTestable>::install(m_casts);
1413 InstanceStaticCast<PatchInstance, ComponentSelectionTestable>::install(m_casts);
1414 InstanceStaticCast<PatchInstance, ComponentEditable>::install(m_casts);
1415 InstanceStaticCast<PatchInstance, ComponentSnappable>::install(m_casts);
1416 InstanceStaticCast<PatchInstance, PlaneSelectable>::install(m_casts);
1417 InstanceIdentityCast<PatchInstance>::install(m_casts);
1418 InstanceContainedCast<PatchInstance, Transformable>::install(m_casts);
1420 InstanceTypeCastTable& get()
1428 typedef std::vector<PatchControlInstance> PatchControlInstances;
1429 PatchControlInstances m_ctrl_instances;
1431 ObservedSelectable m_selectable;
1433 DragPlanes m_dragPlanes;
1435 mutable RenderablePointVector m_render_selected;
1436 mutable AABB m_aabb_component;
1438 static Shader* m_state_selpoint;
1440 const LightList* m_lightList;
1442 TransformModifier m_transform;
1445 typedef LazyStatic<TypeCasts> StaticTypeCasts;
1447 void lightsChanged()
1449 m_lightList->lightsChanged();
1451 typedef MemberCaller<PatchInstance, &PatchInstance::lightsChanged> LightsChangedCaller;
1453 STRING_CONSTANT(Name, "PatchInstance");
1455 PatchInstance(const scene::Path& path, scene::Instance* parent, Patch& patch) :
1456 Instance(path, parent, this, StaticTypeCasts::instance().get()),
1458 m_selectable(SelectedChangedCaller(*this)),
1459 m_dragPlanes(SelectedChangedComponentCaller(*this)),
1460 m_render_selected(GL_POINTS),
1461 m_transform(Patch::TransformChangedCaller(m_patch), ApplyTransformCaller(*this))
1463 m_patch.instanceAttach(Instance::path());
1464 m_patch.attach(this);
1466 m_lightList = &GlobalShaderCache().attach(*this);
1467 m_patch.m_lightsChanged = LightsChangedCaller(*this);
1469 Instance::setTransformChangedCallback(LightsChangedCaller(*this));
1473 Instance::setTransformChangedCallback(Callback());
1475 m_patch.m_lightsChanged = Callback();
1476 GlobalShaderCache().detach(*this);
1478 m_patch.detach(this);
1479 m_patch.instanceDetach(Instance::path());
1482 void selectedChanged(const Selectable& selectable)
1484 GlobalSelectionSystem().getObserver(SelectionSystem::ePrimitive)(selectable);
1485 GlobalSelectionSystem().onSelectedChanged(*this, selectable);
1487 Instance::selectedChanged();
1489 typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChanged> SelectedChangedCaller;
1491 void selectedChangedComponent(const Selectable& selectable)
1493 GlobalSelectionSystem().getObserver(SelectionSystem::eComponent)(selectable);
1494 GlobalSelectionSystem().onComponentSelection(*this, selectable);
1496 typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChangedComponent> SelectedChangedComponentCaller;
1502 Bounded& get(NullType<Bounded>)
1506 Cullable& get(NullType<Cullable>)
1510 Transformable& get(NullType<Transformable>)
1515 static void constructStatic()
1517 m_state_selpoint = GlobalShaderCache().capture("$SELPOINT");
1520 static void destroyStatic()
1522 GlobalShaderCache().release("$SELPOINT");
1526 void allocate(std::size_t size)
1528 m_ctrl_instances.clear();
1529 m_ctrl_instances.reserve(size);
1530 for(Patch::iterator i = m_patch.begin(); i != m_patch.end(); ++i)
1532 m_ctrl_instances.push_back(PatchControlInstance(&(*i), SelectedChangedComponentCaller(*this)));
1536 void setSelected(bool select)
1538 m_selectable.setSelected(select);
1540 bool isSelected() const
1542 return m_selectable.isSelected();
1546 void update_selected() const
1548 m_render_selected.clear();
1549 Patch::iterator ctrl = m_patch.getControlPointsTransformed().begin();
1550 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
1552 if((*i).m_selectable.isSelected())
1554 const Colour4b colour_selected(0, 0, 255, 255);
1555 m_render_selected.push_back(PointVertex(reinterpret_cast<Vertex3f&>((*ctrl).m_vertex), colour_selected));
1561 void render(Renderer& renderer, const VolumeTest& volume) const
1563 if(GlobalSelectionSystem().Mode() == SelectionSystem::eComponent
1564 && m_selectable.isSelected())
1566 renderer.Highlight(Renderer::eFace, false);
1568 m_patch.render(renderer, volume, localToWorld());
1570 if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
1572 renderer.Highlight(Renderer::ePrimitive, false);
1574 m_patch.render_component(renderer, volume, localToWorld());
1576 renderComponentsSelected(renderer, volume);
1580 m_patch.render(renderer, volume, localToWorld());
1584 void renderSolid(Renderer& renderer, const VolumeTest& volume) const
1586 m_patch.evaluateTransform();
1587 renderer.setLights(*m_lightList);
1588 m_patch.render_solid(renderer, volume, localToWorld());
1590 renderComponentsSelected(renderer, volume);
1593 void renderWireframe(Renderer& renderer, const VolumeTest& volume) const
1595 m_patch.evaluateTransform();
1596 m_patch.render_wireframe(renderer, volume, localToWorld());
1598 renderComponentsSelected(renderer, volume);
1601 void renderComponentsSelected(Renderer& renderer, const VolumeTest& volume) const
1603 m_patch.evaluateTransform();
1605 if(!m_render_selected.empty())
1607 renderer.Highlight(Renderer::ePrimitive, false);
1608 renderer.SetState(m_state_selpoint, Renderer::eWireframeOnly);
1609 renderer.SetState(m_state_selpoint, Renderer::eFullMaterials);
1610 renderer.addRenderable(m_render_selected, localToWorld());
1613 void renderComponents(Renderer& renderer, const VolumeTest& volume) const
1615 m_patch.evaluateTransform();
1616 if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
1618 m_patch.render_component(renderer, volume, localToWorld());
1622 void testSelect(Selector& selector, SelectionTest& test)
1624 test.BeginMesh(localToWorld(), true);
1625 m_patch.testSelect(selector, test);
1628 void selectCtrl(bool select)
1630 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1632 (*i).m_selectable.setSelected(select);
1635 bool isSelectedComponents() const
1637 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1639 if((*i).m_selectable.isSelected())
1646 void setSelectedComponents(bool select, SelectionSystem::EComponentMode mode)
1648 if(mode == SelectionSystem::eVertex)
1652 else if(mode == SelectionSystem::eFace)
1654 m_dragPlanes.setSelected(select);
1657 const AABB& getSelectedComponentsBounds() const
1659 m_aabb_component = AABB();
1661 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1663 if((*i).m_selectable.isSelected())
1665 aabb_extend_by_point_safe(m_aabb_component, (*i).m_ctrl->m_vertex);
1669 return m_aabb_component;
1672 void testSelectComponents(Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode)
1674 test.BeginMesh(localToWorld());
1678 case SelectionSystem::eVertex:
1680 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1682 (*i).testSelect(selector, test);
1691 bool selectedVertices()
1693 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1695 if((*i).m_selectable.isSelected())
1703 void transformComponents(const Matrix4& matrix)
1705 if(selectedVertices())
1707 PatchControlIter ctrl = m_patch.getControlPointsTransformed().begin();
1708 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
1710 if((*i).m_selectable.isSelected())
1712 matrix4_transform_point(matrix, (*ctrl).m_vertex);
1715 m_patch.UpdateCachedData();
1718 if(m_dragPlanes.isSelected()) // this should only be true when the transform is a pure translation.
1720 m_patch.transform(m_dragPlanes.evaluateTransform(matrix.t()));
1725 void selectPlanes(Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback)
1727 test.BeginMesh(localToWorld());
1729 m_dragPlanes.selectPlanes(m_patch.localAABB(), selector, test, selectedPlaneCallback);
1731 void selectReversedPlanes(Selector& selector, const SelectedPlanes& selectedPlanes)
1733 m_dragPlanes.selectReversedPlanes(m_patch.localAABB(), selector, selectedPlanes);
1737 void snapComponents(float snap)
1739 if(selectedVertices())
1742 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1744 if((*i).m_selectable.isSelected())
1749 m_patch.controlPointsChanged();
1753 void evaluateTransform()
1755 Matrix4 matrix(m_transform.calculateTransform());
1757 if(m_transform.getType() == TRANSFORM_PRIMITIVE)
1759 m_patch.transform(matrix);
1763 transformComponents(matrix);
1766 void applyTransform()
1768 m_patch.revertTransform();
1769 evaluateTransform();
1770 m_patch.freezeTransform();
1772 typedef MemberCaller<PatchInstance, &PatchInstance::applyTransform> ApplyTransformCaller;
1775 bool testLight(const RendererLight& light) const
1777 return light.testAABB(worldAABB());
1782 template<typename TokenImporter, typename TokenExporter>
1784 public scene::Node::Symbiot,
1785 public scene::Instantiable,
1786 public scene::Cloneable
1788 typedef PatchNode<TokenImporter, TokenExporter> Self;
1792 InstanceTypeCastTable m_casts;
1796 NodeStaticCast<PatchNode, scene::Instantiable>::install(m_casts);
1797 NodeStaticCast<PatchNode, scene::Cloneable>::install(m_casts);
1798 NodeContainedCast<PatchNode, Snappable>::install(m_casts);
1799 NodeContainedCast<PatchNode, TransformNode>::install(m_casts);
1800 NodeContainedCast<PatchNode, Patch>::install(m_casts);
1801 NodeContainedCast<PatchNode, XMLImporter>::install(m_casts);
1802 NodeContainedCast<PatchNode, XMLExporter>::install(m_casts);
1803 NodeContainedCast<PatchNode, MapImporter>::install(m_casts);
1804 NodeContainedCast<PatchNode, MapExporter>::install(m_casts);
1805 NodeContainedCast<PatchNode, Nameable>::install(m_casts);
1807 InstanceTypeCastTable& get()
1815 InstanceSet m_instances;
1817 TokenImporter m_importMap;
1818 TokenExporter m_exportMap;
1822 typedef LazyStatic<TypeCasts> StaticTypeCasts;
1824 Snappable& get(NullType<Snappable>)
1828 TransformNode& get(NullType<TransformNode>)
1832 Patch& get(NullType<Patch>)
1836 XMLImporter& get(NullType<XMLImporter>)
1840 XMLExporter& get(NullType<XMLExporter>)
1844 MapImporter& get(NullType<MapImporter>)
1848 MapExporter& get(NullType<MapExporter>)
1852 Nameable& get(NullType<Nameable>)
1857 PatchNode(bool patchDef3 = false) :
1858 m_node(this, this, StaticTypeCasts::instance().get()),
1859 m_patch(m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
1860 m_importMap(m_patch),
1861 m_exportMap(m_patch)
1863 m_patch.m_patchDef3 = patchDef3;
1865 PatchNode(const PatchNode& other) :
1866 scene::Node::Symbiot(other),
1867 scene::Instantiable(other),
1868 scene::Cloneable(other),
1869 m_node(this, this, StaticTypeCasts::instance().get()),
1870 m_patch(other.m_patch, m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
1871 m_importMap(m_patch),
1872 m_exportMap(m_patch)
1887 const Patch& get() const
1892 scene::Node& clone() const
1894 return (new PatchNode(*this))->node();
1897 scene::Instance* create(const scene::Path& path, scene::Instance* parent)
1899 return new PatchInstance(path, parent, m_patch);
1901 void forEachInstance(const scene::Instantiable::Visitor& visitor)
1903 m_instances.forEachInstance(visitor);
1905 void insert(scene::Instantiable::Observer* observer, const scene::Path& path, scene::Instance* instance)
1907 m_instances.insert(observer, path, instance);
1909 scene::Instance* erase(scene::Instantiable::Observer* observer, const scene::Path& path)
1911 return m_instances.erase(observer, path);
1917 typedef PatchNode<PatchTokenImporter, PatchTokenExporter> PatchNodeQuake3;
1918 typedef PatchNode<PatchDoom3TokenImporter, PatchDoom3TokenExporter> PatchNodeDoom3;
1920 inline Patch* Node_getPatch(scene::Node& node)
1922 return NodeTypeCast<Patch>::cast(node);
1925 inline PatchInstance* Instance_getPatch(scene::Instance& instance)
1927 return InstanceTypeCast<PatchInstance>::cast(instance);
1930 template<typename Functor>
1931 class PatchSelectedVisitor : public SelectionSystem::Visitor
1933 const Functor& m_functor;
1935 PatchSelectedVisitor(const Functor& functor) : m_functor(functor)
1938 void visit(scene::Instance& instance) const
1940 PatchInstance* patch = Instance_getPatch(instance);
1948 template<typename Functor>
1949 inline void Scene_forEachSelectedPatch(const Functor& functor)
1951 GlobalSelectionSystem().foreachSelected(PatchSelectedVisitor<Functor>(functor));
1955 template<typename Functor>
1956 class PatchVisibleSelectedVisitor : public SelectionSystem::Visitor
1958 const Functor& m_functor;
1960 PatchVisibleSelectedVisitor(const Functor& functor) : m_functor(functor)
1963 void visit(scene::Instance& instance) const
1965 PatchInstance* patch = Instance_getPatch(instance);
1967 && instance.path().top().get().visible())
1974 template<typename Functor>
1975 inline void Scene_forEachVisibleSelectedPatchInstance(const Functor& functor)
1977 GlobalSelectionSystem().foreachSelected(PatchVisibleSelectedVisitor<Functor>(functor));
1980 template<typename Functor>
1981 class PatchForEachWalker : public scene::Graph::Walker
1983 const Functor& m_functor;
1985 PatchForEachWalker(const Functor& functor) : m_functor(functor)
1988 bool pre(const scene::Path& path, scene::Instance& instance) const
1990 if(path.top().get().visible())
1992 Patch* patch = Node_getPatch(path.top());
2002 template<typename Functor>
2003 inline void Scene_forEachVisiblePatch(const Functor& functor)
2005 GlobalSceneGraph().traverse(PatchForEachWalker<Functor>(functor));
2008 template<typename Functor>
2009 class PatchForEachSelectedWalker : public scene::Graph::Walker
2011 const Functor& m_functor;
2013 PatchForEachSelectedWalker(const Functor& functor) : m_functor(functor)
2016 bool pre(const scene::Path& path, scene::Instance& instance) const
2018 if(path.top().get().visible())
2020 Patch* patch = Node_getPatch(path.top());
2022 && Instance_getSelectable(instance)->isSelected())
2031 template<typename Functor>
2032 inline void Scene_forEachVisibleSelectedPatch(const Functor& functor)
2034 GlobalSceneGraph().traverse(PatchForEachSelectedWalker<Functor>(functor));
2037 template<typename Functor>
2038 class PatchForEachInstanceWalker : public scene::Graph::Walker
2040 const Functor& m_functor;
2042 PatchForEachInstanceWalker(const Functor& functor) : m_functor(functor)
2045 bool pre(const scene::Path& path, scene::Instance& instance) const
2047 if(path.top().get().visible())
2049 PatchInstance* patch = Instance_getPatch(instance);
2059 template<typename Functor>
2060 inline void Scene_forEachVisiblePatchInstance(const Functor& functor)
2062 GlobalSceneGraph().traverse(PatchForEachInstanceWalker<Functor>(functor));