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.
39 #include "renderable.h"
41 #include "selectable.h"
43 #include "debugging/debugging.h"
48 #include "math/frustum.h"
49 #include "string/string.h"
50 #include "stream/stringstream.h"
51 #include "stream/textstream.h"
52 #include "xml/xmlelement.h"
54 #include "transformlib.h"
55 #include "instancelib.h"
56 #include "selectionlib.h"
57 #include "traverselib.h"
60 #include "shaderlib.h"
61 #include "generic/callback.h"
62 #include "signal/signalfwd.h"
63 #include "texturelib.h"
65 #include "dragplanes.h"
73 extern int g_PatchSubdivideThreshold;
76 #define MIN_PATCH_WIDTH 3
77 #define MIN_PATCH_HEIGHT 3
79 extern std::size_t MAX_PATCH_WIDTH;
80 extern std::size_t MAX_PATCH_HEIGHT;
82 #define MAX_PATCH_ROWCTRL (((MAX_PATCH_WIDTH-1)-1)/2)
83 #define MAX_PATCH_COLCTRL (((MAX_PATCH_HEIGHT-1)-1)/2)
120 const std::size_t BEZIERCURVETREE_MAX_INDEX = std::size_t(1) << (std::numeric_limits<std::size_t>::digits - 1);
122 struct BezierCurveTree
125 BezierCurveTree* left;
126 BezierCurveTree* right;
129 inline bool BezierCurveTree_isLeaf(const BezierCurveTree* node)
131 return node->left == 0 && node->right == 0;
134 void BezierCurveTree_Delete(BezierCurveTree *pCurve);
137 inline VertexPointer vertexpointer_arbitrarymeshvertex(const ArbitraryMeshVertex* array)
139 return VertexPointer(VertexPointer::pointer(&array->vertex), sizeof(ArbitraryMeshVertex));
142 typedef PatchControl* PatchControlIter;
143 typedef const PatchControl* PatchControlConstIter;
145 inline void copy_ctrl(PatchControlIter ctrl, PatchControlConstIter begin, PatchControlConstIter end)
147 std::copy(begin, end, ctrl);
150 const Colour4b colour_corner(0, 255, 0, 255);
151 const Colour4b colour_inside(255, 0, 255, 255);
158 virtual bool filter(const Patch& patch) const = 0;
161 bool patch_filtered(Patch& patch);
162 void add_patch_filter(PatchFilter& filter, int mask, bool invert = false);
164 void Patch_addTextureChangedCallback(const SignalHandler& handler);
165 void Patch_textureChanged();
167 inline void BezierCurveTreeArray_deleteAll(Array<BezierCurveTree*>& curveTrees)
169 for(Array<BezierCurveTree*>::iterator i = curveTrees.begin(); i != curveTrees.end(); ++i)
171 BezierCurveTree_Delete(*i);
175 inline void PatchControlArray_invert(Array<PatchControl>& ctrl, std::size_t width, std::size_t height)
177 Array<PatchControl> tmp(width);
179 PatchControlIter from = ctrl.data() + (width * (height - 1));
180 PatchControlIter to = ctrl.data();
181 for(std::size_t h = 0; h != ((height - 1) >> 1); ++h, to += width, from -= width)
183 copy_ctrl(tmp.data(), to, to + width);
184 copy_ctrl(to, from, from + width);
185 copy_ctrl(from, tmp.data(), tmp.data() + width);
189 class PatchTesselation
193 : m_numStrips(0), m_lenStrips(0), m_nArrayWidth(0), m_nArrayHeight(0)
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),
544 m_undoable_observer(0),
546 m_render_solid(m_tess),
547 m_render_wireframe(m_tess),
548 m_render_wireframe_fixed(m_tess),
549 m_render_ctrl(GL_POINTS, m_ctrl_vertices),
550 m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
551 m_transformChanged(false),
552 m_evaluateTransform(other.m_evaluateTransform),
553 m_boundsChanged(other.m_boundsChanged)
557 m_patchDef3 = other.m_patchDef3;
558 m_subdivisions_x = other.m_subdivisions_x;
559 m_subdivisions_y = other.m_subdivisions_y;
560 setDims(other.m_width, other.m_height);
561 copy_ctrl(m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data()+(m_width*m_height));
562 SetShader(other.m_shader.c_str());
563 controlPointsChanged();
568 BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeU);
569 BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeV);
573 ASSERT_MESSAGE(m_observers.empty(), "Patch::~Patch: observers still attached");
576 InstanceCounter m_instanceCounter;
577 void instanceAttach(const scene::Path& path)
579 if(++m_instanceCounter.m_count == 1)
581 m_state->incrementUsed();
582 m_map = path_find_mapfile(path.begin(), path.end());
583 m_undoable_observer = GlobalUndoSystem().observer(this);
584 GlobalFilterSystem().registerFilterable(*this);
588 ASSERT_MESSAGE(path_find_mapfile(path.begin(), path.end()) == m_map, "node is instanced across more than one file");
591 void instanceDetach(const scene::Path& path)
593 if(--m_instanceCounter.m_count == 0)
596 m_undoable_observer = 0;
597 GlobalUndoSystem().release(this);
598 GlobalFilterSystem().unregisterFilterable(*this);
599 m_state->decrementUsed();
603 const char* name() const
607 void attach(const NameCallback& callback)
610 void detach(const NameCallback& callback)
614 void attach(Observer* observer)
616 observer->allocate(m_width * m_height);
618 m_observers.insert(observer);
620 void detach(Observer* observer)
622 m_observers.erase(observer);
625 void updateFiltered()
629 if(patch_filtered(*this))
631 m_node->enable(scene::Node::eFiltered);
635 m_node->disable(scene::Node::eFiltered);
640 void onAllocate(std::size_t size)
642 for(Observers::iterator i = m_observers.begin(); i != m_observers.end(); ++i)
644 (*i)->allocate(size);
648 const Matrix4& localToParent() const
650 return g_matrix4_identity;
652 const AABB& localAABB() const
656 VolumeIntersectionValue intersectVolume(const VolumeTest& test, const Matrix4& localToWorld) const
658 return test.TestAABB(m_aabb_local, localToWorld);
660 void render_solid(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
662 renderer.SetState(m_state, Renderer::eFullMaterials);
663 renderer.addRenderable(m_render_solid, localToWorld);
665 void render_wireframe(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
667 renderer.SetState(m_state, Renderer::eFullMaterials);
670 renderer.addRenderable(m_render_wireframe_fixed, localToWorld);
674 renderer.addRenderable(m_render_wireframe, localToWorld);
678 void render_component(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
680 renderer.SetState(m_state_lattice, Renderer::eWireframeOnly);
681 renderer.SetState(m_state_lattice, Renderer::eFullMaterials);
682 renderer.addRenderable(m_render_lattice, localToWorld);
684 renderer.SetState(m_state_ctrl, Renderer::eWireframeOnly);
685 renderer.SetState(m_state_ctrl, Renderer::eFullMaterials);
686 renderer.addRenderable(m_render_ctrl, localToWorld);
688 void testSelect(Selector& selector, SelectionTest& test)
690 SelectionIntersection best;
691 IndexPointer::index_type* pIndex = m_tess.m_indices.data();
692 for(std::size_t s=0; s<m_tess.m_numStrips; s++)
694 test.TestQuadStrip(vertexpointer_arbitrarymeshvertex(m_tess.m_vertices.data()), IndexPointer(pIndex, m_tess.m_lenStrips), best);
695 pIndex += m_tess.m_lenStrips;
699 selector.addIntersection(best);
702 void transform(const Matrix4& matrix)
704 for(PatchControlIter i = m_ctrlTransformed.data(); i != m_ctrlTransformed.data() + m_ctrlTransformed.size(); ++i)
706 matrix4_transform_point(matrix, (*i).m_vertex);
709 if(matrix4_handedness(matrix) == MATRIX4_LEFTHANDED)
711 PatchControlArray_invert(m_ctrlTransformed, m_width, m_height);
715 void transformChanged()
717 m_transformChanged = true;
721 typedef MemberCaller<Patch, &Patch::transformChanged> TransformChangedCaller;
723 void evaluateTransform()
725 if(m_transformChanged)
727 m_transformChanged = false;
729 m_evaluateTransform();
733 void revertTransform()
735 m_ctrlTransformed = m_ctrl;
737 void freezeTransform()
741 ASSERT_MESSAGE(m_ctrlTransformed.size() == m_ctrl.size(), "Patch::freeze: size mismatch");
742 std::copy(m_ctrlTransformed.begin(), m_ctrlTransformed.end(), m_ctrl.begin());
745 void controlPointsChanged()
751 bool isValid() const;
753 void snapto(float snap)
757 for(PatchControlIter i = m_ctrl.data(); i != m_ctrl.data() + m_ctrl.size(); ++i)
759 vector3_snap((*i).m_vertex, snap);
762 controlPointsChanged();
768 void RenderDebug(RenderStateFlags state) const;
769 void RenderNormals(RenderStateFlags state) const;
771 void pushElement(const XMLElement& element)
773 switch(m_xml_state.back().state())
775 case xml_state_t::eDefault:
776 ASSERT_MESSAGE(string_equal(element.name(), "patch"), "parse error");
777 m_xml_state.push_back(xml_state_t::ePatch);
779 case xml_state_t::ePatch:
780 if(string_equal(element.name(), "matrix"))
782 setDims(atoi(element.attribute("width")), atoi(element.attribute("height")));
783 m_xml_state.push_back(xml_state_t::eMatrix);
785 else if(string_equal(element.name(), "shader"))
787 m_xml_state.push_back(xml_state_t::eShader);
791 ERROR_MESSAGE("parse error");
795 void popElement(const char* name)
797 switch(m_xml_state.back().state())
799 case xml_state_t::eDefault:
800 ERROR_MESSAGE("parse error");
802 case xml_state_t::ePatch:
804 case xml_state_t::eMatrix:
806 StringTokeniser content(m_xml_state.back().content());
808 for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
810 (*i).m_vertex[0] = string_read_float(content.getToken());
811 (*i).m_vertex[1] = string_read_float(content.getToken());
812 (*i).m_vertex[2] = string_read_float(content.getToken());
813 (*i).m_texcoord[0] = string_read_float(content.getToken());
814 (*i).m_texcoord[1] = string_read_float(content.getToken());
816 controlPointsChanged();
819 case xml_state_t::eShader:
821 SetShader(m_xml_state.back().content());
825 ERROR_MESSAGE("parse error");
828 ASSERT_MESSAGE(!m_xml_state.empty(), "popping empty stack");
829 m_xml_state.pop_back();
831 std::size_t write(const char* buffer, std::size_t length)
833 switch(m_xml_state.back().state())
835 case xml_state_t::eDefault:
837 case xml_state_t::ePatch:
839 case xml_state_t::eMatrix:
840 case xml_state_t::eShader:
841 return m_xml_state.back().write(buffer, length);
844 ERROR_MESSAGE("parse error");
849 void exportXML(XMLImporter& importer)
851 StaticElement patchElement("patch");
852 importer.pushElement(patchElement);
855 const StaticElement element("shader");
856 importer.pushElement(element);
857 importer.write(m_shader.c_str(), strlen(m_shader.c_str()));
858 importer.popElement(element.name());
862 char width[16], height[16];
863 sprintf(width, "%u", Unsigned(m_width));
864 sprintf(height, "%u", Unsigned(m_height));
865 StaticElement element("matrix");
866 element.insertAttribute("width", width);
867 element.insertAttribute("height", height);
869 importer.pushElement(element);
871 for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
873 importer << (*i).m_vertex[0]
874 << ' ' << (*i).m_vertex[1]
875 << ' ' << (*i).m_vertex[2]
876 << ' ' << (*i).m_texcoord[0]
877 << ' ' << (*i).m_texcoord[1];
880 importer.popElement(element.name());
883 importer.popElement(patchElement.name());
886 void UpdateCachedData();
888 const char *GetShader() const
890 return m_shader.c_str();
892 void SetShader(const char* name)
894 ASSERT_NOTNULL(name);
896 if(shader_equal(m_shader.c_str(), name))
901 if(m_instanceCounter.m_count != 0)
903 m_state->decrementUsed();
908 if(m_instanceCounter.m_count != 0)
910 m_state->incrementUsed();
914 Patch_textureChanged();
916 int getShaderFlags() const
920 return m_state->getFlags();
925 typedef PatchControl* iterator;
926 typedef const PatchControl* const_iterator;
930 return m_ctrl.data();
932 const_iterator begin() const
934 return m_ctrl.data();
938 return m_ctrl.data() + m_ctrl.size();
940 const_iterator end() const
942 return m_ctrl.data() + m_ctrl.size();
945 PatchControlArray& getControlPoints()
949 PatchControlArray& getControlPointsTransformed()
951 return m_ctrlTransformed;
954 void setDims (std::size_t w, std::size_t h);
955 std::size_t getWidth() const
959 std::size_t getHeight() const
963 PatchControl& ctrlAt(std::size_t row, std::size_t col)
965 return m_ctrl[row*m_width+col];
967 const PatchControl& ctrlAt(std::size_t row, std::size_t col) const
969 return m_ctrl[row*m_width+col];
972 void ConstructPrefab(const AABB& aabb, EPatchPrefab eType, int axis, std::size_t width = 3, std::size_t height = 3);
973 void constructPlane(const AABB& aabb, int axis, std::size_t width, std::size_t height);
975 void TransposeMatrix();
976 void Redisperse(EMatrixMajor mt);
977 void Smooth(EMatrixMajor mt);
978 void InsertRemove(bool bInsert, bool bColumn, bool bFirst);
979 Patch* MakeCap(Patch* patch, EPatchCap eType, EMatrixMajor mt, bool bFirst);
980 void ConstructSeam(EPatchCap eType, Vector3* p, std::size_t width);
982 void FlipTexture(int nAxis);
983 void TranslateTexture(float s, float t);
984 void ScaleTexture(float s, float t);
985 void RotateTexture(float angle);
986 void SetTextureRepeat(float s, float t); // call with s=1 t=1 for FIT
988 void NaturalTexture();
989 void ProjectTexture(int nAxis);
997 if(m_undoable_observer != 0)
999 m_undoable_observer->save(this);
1003 UndoMemento* exportState() const
1005 return new SavedState(m_width, m_height, m_ctrl, m_shader.c_str(), m_patchDef3, m_subdivisions_x, m_subdivisions_y);
1007 void importState(const UndoMemento* state)
1011 const SavedState& other = *(static_cast<const SavedState*>(state));
1013 // begin duplicate of SavedState copy constructor, needs refactoring
1017 m_width = other.m_width;
1018 m_height = other.m_height;
1019 SetShader(other.m_shader.c_str());
1020 m_ctrl = other.m_ctrl;
1021 onAllocate(m_ctrl.size());
1022 m_patchDef3 = other.m_patchDef3;
1023 m_subdivisions_x = other.m_subdivisions_x;
1024 m_subdivisions_y = other.m_subdivisions_y;
1027 // end duplicate code
1029 Patch_textureChanged();
1031 controlPointsChanged();
1034 static void constructStatic(EPatchType type)
1036 Patch::m_type = type;
1037 Patch::m_state_ctrl = GlobalShaderCache().capture("$POINT");
1038 Patch::m_state_lattice = GlobalShaderCache().capture("$LATTICE");
1041 static void destroyStatic()
1043 GlobalShaderCache().release("$LATTICE");
1044 GlobalShaderCache().release("$POINT");
1047 void captureShader()
1049 m_state = GlobalShaderCache().capture(m_shader.c_str());
1052 void releaseShader()
1054 GlobalShaderCache().release(m_shader.c_str());
1059 if(!shader_valid(GetShader()))
1061 globalErrorStream() << "patch has invalid texture name: '" << GetShader() << "'\n";
1065 void InsertPoints(EMatrixMajor mt, bool bFirst);
1066 void RemovePoints(EMatrixMajor mt, bool bFirst);
1068 void AccumulateBBox();
1070 void TesselateSubMatrixFixed(ArbitraryMeshVertex* vertices, std::size_t strideX, std::size_t strideY, unsigned int nFlagsX, unsigned int nFlagsY, PatchControl* subMatrix[3][3]);
1072 // uses binary trees representing bezier curves to recursively tesselate a bezier sub-patch
1073 void TesselateSubMatrix( const BezierCurveTree *BX, const BezierCurveTree *BY,
1074 std::size_t offStartX, std::size_t offStartY,
1075 std::size_t offEndX, std::size_t offEndY,
1076 std::size_t nFlagsX, std::size_t nFlagsY,
1077 Vector3& left, Vector3& mid, Vector3& right,
1078 Vector2& texLeft, Vector2& texMid, Vector2& texRight,
1081 // tesselates the entire surface
1082 void BuildTesselationCurves(EMatrixMajor major);
1083 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);
1084 void BuildVertexArray();
1087 inline bool Patch_importHeader(Patch& patch, Tokeniser& tokeniser)
1089 tokeniser.nextLine();
1090 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "{"));
1094 inline bool Patch_importShader(Patch& patch, Tokeniser& tokeniser)
1096 // parse shader name
1097 tokeniser.nextLine();
1098 const char* texture = tokeniser.getToken();
1101 Tokeniser_unexpectedError(tokeniser, texture, "#texture-name");
1104 if(string_equal(texture, "NULL"))
1106 patch.SetShader(texdef_name_default());
1110 StringOutputStream shader(string_length(GlobalTexturePrefix_get()) + string_length(texture));
1111 shader << GlobalTexturePrefix_get() << texture;
1112 patch.SetShader(shader.c_str());
1117 inline bool PatchDoom3_importShader(Patch& patch, Tokeniser& tokeniser)
1119 // parse shader name
1120 tokeniser.nextLine();
1121 const char *shader = tokeniser.getToken();
1124 Tokeniser_unexpectedError(tokeniser, shader, "#shader-name");
1127 if(string_equal(shader, "_emptyname"))
1129 shader = texdef_name_default();
1131 patch.SetShader(shader);
1135 inline bool Patch_importParams(Patch& patch, Tokeniser& tokeniser)
1137 tokeniser.nextLine();
1138 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1140 // parse matrix dimensions
1143 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, c));
1144 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, r));
1146 patch.setDims(c, r);
1149 if(patch.m_patchDef3)
1151 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_x));
1152 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_y));
1155 // ignore contents/flags/value
1157 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1158 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1159 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1161 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1165 inline bool Patch_importMatrix(Patch& patch, Tokeniser& tokeniser)
1168 tokeniser.nextLine();
1169 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1171 for(std::size_t c=0; c<patch.getWidth(); c++)
1173 tokeniser.nextLine();
1174 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1175 for(std::size_t r=0; r<patch.getHeight(); r++)
1177 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1179 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[0]));
1180 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[1]));
1181 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[2]));
1182 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[0]));
1183 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[1]));
1185 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1187 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1190 tokeniser.nextLine();
1191 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1195 inline bool Patch_importFooter(Patch& patch, Tokeniser& tokeniser)
1197 patch.controlPointsChanged();
1199 tokeniser.nextLine();
1200 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
1202 tokeniser.nextLine();
1203 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
1207 class PatchTokenImporter : public MapImporter
1211 PatchTokenImporter(Patch& patch) : m_patch(patch)
1214 bool importTokens(Tokeniser& tokeniser)
1216 RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
1217 RETURN_FALSE_IF_FAIL(Patch_importShader(m_patch, tokeniser));
1218 RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
1219 RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
1220 RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
1226 class PatchDoom3TokenImporter : public MapImporter
1230 PatchDoom3TokenImporter(Patch& patch) : m_patch(patch)
1233 bool importTokens(Tokeniser& tokeniser)
1235 RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
1236 RETURN_FALSE_IF_FAIL(PatchDoom3_importShader(m_patch, tokeniser));
1237 RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
1238 RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
1239 RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
1245 inline void Patch_exportHeader(const Patch& patch, TokenWriter& writer)
1247 writer.writeToken("{");
1249 writer.writeToken(patch.m_patchDef3 ? "patchDef3" : "patchDef2");
1251 writer.writeToken("{");
1255 inline void Patch_exportShader(const Patch& patch, TokenWriter& writer)
1257 // write shader name
1258 if(*(shader_get_textureName(patch.GetShader())) == '\0')
1260 writer.writeToken("NULL");
1264 writer.writeToken(shader_get_textureName(patch.GetShader()));
1269 inline void PatchDoom3_exportShader(const Patch& patch, TokenWriter& writer)
1271 // write shader name
1272 if(*(shader_get_textureName(patch.GetShader())) == '\0')
1274 writer.writeString("_emptyname");
1278 writer.writeString(patch.GetShader());
1283 inline void Patch_exportParams(const Patch& patch, TokenWriter& writer)
1285 // write matrix dimensions
1286 writer.writeToken("(");
1287 writer.writeUnsigned(patch.getWidth());
1288 writer.writeUnsigned(patch.getHeight());
1289 if(patch.m_patchDef3)
1291 writer.writeUnsigned(patch.m_subdivisions_x);
1292 writer.writeUnsigned(patch.m_subdivisions_y);
1294 writer.writeInteger(0);
1295 writer.writeInteger(0);
1296 writer.writeInteger(0);
1297 writer.writeToken(")");
1301 inline void Patch_exportMatrix(const Patch& patch, TokenWriter& writer)
1304 writer.writeToken("(");
1306 for(std::size_t c=0; c<patch.getWidth(); c++)
1308 writer.writeToken("(");
1309 for(std::size_t r=0; r<patch.getHeight(); r++)
1311 writer.writeToken("(");
1313 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[0]);
1314 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[1]);
1315 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[2]);
1316 writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[0]);
1317 writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[1]);
1319 writer.writeToken(")");
1321 writer.writeToken(")");
1324 writer.writeToken(")");
1328 inline void Patch_exportFooter(const Patch& patch, TokenWriter& writer)
1330 writer.writeToken("}");
1332 writer.writeToken("}");
1336 class PatchTokenExporter : public MapExporter
1338 const Patch& m_patch;
1340 PatchTokenExporter(Patch& patch) : m_patch(patch)
1343 void exportTokens(TokenWriter& writer) const
1345 Patch_exportHeader(m_patch, writer);
1346 Patch_exportShader(m_patch, writer);
1347 Patch_exportParams(m_patch, writer);
1348 Patch_exportMatrix(m_patch, writer);
1349 Patch_exportFooter(m_patch, writer);
1353 class PatchDoom3TokenExporter : public MapExporter
1355 const Patch& m_patch;
1357 PatchDoom3TokenExporter(Patch& patch) : m_patch(patch)
1360 void exportTokens(TokenWriter& writer) const
1362 Patch_exportHeader(m_patch, writer);
1363 PatchDoom3_exportShader(m_patch, writer);
1364 Patch_exportParams(m_patch, writer);
1365 Patch_exportMatrix(m_patch, writer);
1366 Patch_exportFooter(m_patch, writer);
1370 class PatchControlInstance
1373 PatchControl* m_ctrl;
1374 ObservedSelectable m_selectable;
1376 PatchControlInstance(PatchControl* ctrl, const SelectionChangeCallback& observer)
1377 : m_ctrl(ctrl), m_selectable(observer)
1381 void testSelect(Selector& selector, SelectionTest& test)
1383 SelectionIntersection best;
1384 test.TestPoint(m_ctrl->m_vertex, best);
1387 Selector_add(selector, m_selectable, best);
1390 void snapto(float snap)
1392 vector3_snap(m_ctrl->m_vertex, snap);
1397 class PatchInstance :
1398 public Patch::Observer,
1399 public scene::Instance,
1402 public SelectionTestable,
1403 public ComponentSelectionTestable,
1404 public ComponentEditable,
1405 public ComponentSnappable,
1406 public PlaneSelectable,
1407 public LightCullable
1411 InstanceTypeCastTable m_casts;
1415 InstanceStaticCast<PatchInstance, Selectable>::install(m_casts);
1416 InstanceContainedCast<PatchInstance, Bounded>::install(m_casts);
1417 InstanceContainedCast<PatchInstance, Cullable>::install(m_casts);
1418 InstanceStaticCast<PatchInstance, Renderable>::install(m_casts);
1419 InstanceStaticCast<PatchInstance, SelectionTestable>::install(m_casts);
1420 InstanceStaticCast<PatchInstance, ComponentSelectionTestable>::install(m_casts);
1421 InstanceStaticCast<PatchInstance, ComponentEditable>::install(m_casts);
1422 InstanceStaticCast<PatchInstance, ComponentSnappable>::install(m_casts);
1423 InstanceStaticCast<PatchInstance, PlaneSelectable>::install(m_casts);
1424 InstanceIdentityCast<PatchInstance>::install(m_casts);
1425 InstanceContainedCast<PatchInstance, Transformable>::install(m_casts);
1427 InstanceTypeCastTable& get()
1435 typedef std::vector<PatchControlInstance> PatchControlInstances;
1436 PatchControlInstances m_ctrl_instances;
1438 ObservedSelectable m_selectable;
1440 DragPlanes m_dragPlanes;
1442 mutable RenderablePointVector m_render_selected;
1443 mutable AABB m_aabb_component;
1445 static Shader* m_state_selpoint;
1447 const LightList* m_lightList;
1449 TransformModifier m_transform;
1452 typedef LazyStatic<TypeCasts> StaticTypeCasts;
1454 void lightsChanged()
1456 m_lightList->lightsChanged();
1458 typedef MemberCaller<PatchInstance, &PatchInstance::lightsChanged> LightsChangedCaller;
1460 STRING_CONSTANT(Name, "PatchInstance");
1462 PatchInstance(const scene::Path& path, scene::Instance* parent, Patch& patch) :
1463 Instance(path, parent, this, StaticTypeCasts::instance().get()),
1465 m_selectable(SelectedChangedCaller(*this)),
1466 m_dragPlanes(SelectedChangedComponentCaller(*this)),
1467 m_render_selected(GL_POINTS),
1468 m_transform(Patch::TransformChangedCaller(m_patch), ApplyTransformCaller(*this))
1470 m_patch.instanceAttach(Instance::path());
1471 m_patch.attach(this);
1473 m_lightList = &GlobalShaderCache().attach(*this);
1474 m_patch.m_lightsChanged = LightsChangedCaller(*this);
1476 Instance::setTransformChangedCallback(LightsChangedCaller(*this));
1480 Instance::setTransformChangedCallback(Callback());
1482 m_patch.m_lightsChanged = Callback();
1483 GlobalShaderCache().detach(*this);
1485 m_patch.detach(this);
1486 m_patch.instanceDetach(Instance::path());
1489 void selectedChanged(const Selectable& selectable)
1491 GlobalSelectionSystem().getObserver(SelectionSystem::ePrimitive)(selectable);
1492 GlobalSelectionSystem().onSelectedChanged(*this, selectable);
1494 Instance::selectedChanged();
1496 typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChanged> SelectedChangedCaller;
1498 void selectedChangedComponent(const Selectable& selectable)
1500 GlobalSelectionSystem().getObserver(SelectionSystem::eComponent)(selectable);
1501 GlobalSelectionSystem().onComponentSelection(*this, selectable);
1503 typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChangedComponent> SelectedChangedComponentCaller;
1509 Bounded& get(NullType<Bounded>)
1513 Cullable& get(NullType<Cullable>)
1517 Transformable& get(NullType<Transformable>)
1522 static void constructStatic()
1524 m_state_selpoint = GlobalShaderCache().capture("$SELPOINT");
1527 static void destroyStatic()
1529 GlobalShaderCache().release("$SELPOINT");
1533 void allocate(std::size_t size)
1535 m_ctrl_instances.clear();
1536 m_ctrl_instances.reserve(size);
1537 for(Patch::iterator i = m_patch.begin(); i != m_patch.end(); ++i)
1539 m_ctrl_instances.push_back(PatchControlInstance(&(*i), SelectedChangedComponentCaller(*this)));
1543 void setSelected(bool select)
1545 m_selectable.setSelected(select);
1547 bool isSelected() const
1549 return m_selectable.isSelected();
1553 void update_selected() const
1555 m_render_selected.clear();
1556 Patch::iterator ctrl = m_patch.getControlPointsTransformed().begin();
1557 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
1559 if((*i).m_selectable.isSelected())
1561 const Colour4b colour_selected(0, 0, 255, 255);
1562 m_render_selected.push_back(PointVertex(reinterpret_cast<Vertex3f&>((*ctrl).m_vertex), colour_selected));
1568 void render(Renderer& renderer, const VolumeTest& volume) const
1570 if(GlobalSelectionSystem().Mode() == SelectionSystem::eComponent
1571 && m_selectable.isSelected())
1573 renderer.Highlight(Renderer::eFace, false);
1575 m_patch.render(renderer, volume, localToWorld());
1577 if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
1579 renderer.Highlight(Renderer::ePrimitive, false);
1581 m_patch.render_component(renderer, volume, localToWorld());
1583 renderComponentsSelected(renderer, volume);
1587 m_patch.render(renderer, volume, localToWorld());
1591 void renderSolid(Renderer& renderer, const VolumeTest& volume) const
1593 m_patch.evaluateTransform();
1594 renderer.setLights(*m_lightList);
1595 m_patch.render_solid(renderer, volume, localToWorld());
1597 renderComponentsSelected(renderer, volume);
1600 void renderWireframe(Renderer& renderer, const VolumeTest& volume) const
1602 m_patch.evaluateTransform();
1603 m_patch.render_wireframe(renderer, volume, localToWorld());
1605 renderComponentsSelected(renderer, volume);
1608 void renderComponentsSelected(Renderer& renderer, const VolumeTest& volume) const
1610 m_patch.evaluateTransform();
1612 if(!m_render_selected.empty())
1614 renderer.Highlight(Renderer::ePrimitive, false);
1615 renderer.SetState(m_state_selpoint, Renderer::eWireframeOnly);
1616 renderer.SetState(m_state_selpoint, Renderer::eFullMaterials);
1617 renderer.addRenderable(m_render_selected, localToWorld());
1620 void renderComponents(Renderer& renderer, const VolumeTest& volume) const
1622 m_patch.evaluateTransform();
1623 if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
1625 m_patch.render_component(renderer, volume, localToWorld());
1629 void testSelect(Selector& selector, SelectionTest& test)
1631 test.BeginMesh(localToWorld(), true);
1632 m_patch.testSelect(selector, test);
1635 void selectCtrl(bool select)
1637 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1639 (*i).m_selectable.setSelected(select);
1642 bool isSelectedComponents() const
1644 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1646 if((*i).m_selectable.isSelected())
1653 void setSelectedComponents(bool select, SelectionSystem::EComponentMode mode)
1655 if(mode == SelectionSystem::eVertex)
1659 else if(mode == SelectionSystem::eFace)
1661 m_dragPlanes.setSelected(select);
1664 const AABB& getSelectedComponentsBounds() const
1666 m_aabb_component = AABB();
1668 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1670 if((*i).m_selectable.isSelected())
1672 aabb_extend_by_point_safe(m_aabb_component, (*i).m_ctrl->m_vertex);
1676 return m_aabb_component;
1679 void testSelectComponents(Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode)
1681 test.BeginMesh(localToWorld());
1685 case SelectionSystem::eVertex:
1687 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1689 (*i).testSelect(selector, test);
1698 bool selectedVertices()
1700 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1702 if((*i).m_selectable.isSelected())
1710 void transformComponents(const Matrix4& matrix)
1712 if(selectedVertices())
1714 PatchControlIter ctrl = m_patch.getControlPointsTransformed().begin();
1715 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
1717 if((*i).m_selectable.isSelected())
1719 matrix4_transform_point(matrix, (*ctrl).m_vertex);
1722 m_patch.UpdateCachedData();
1725 if(m_dragPlanes.isSelected()) // this should only be true when the transform is a pure translation.
1727 m_patch.transform(m_dragPlanes.evaluateTransform(vector4_to_vector3(matrix.t())));
1732 void selectPlanes(Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback)
1734 test.BeginMesh(localToWorld());
1736 m_dragPlanes.selectPlanes(m_patch.localAABB(), selector, test, selectedPlaneCallback);
1738 void selectReversedPlanes(Selector& selector, const SelectedPlanes& selectedPlanes)
1740 m_dragPlanes.selectReversedPlanes(m_patch.localAABB(), selector, selectedPlanes);
1744 void snapComponents(float snap)
1746 if(selectedVertices())
1749 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1751 if((*i).m_selectable.isSelected())
1756 m_patch.controlPointsChanged();
1760 void evaluateTransform()
1762 Matrix4 matrix(m_transform.calculateTransform());
1764 if(m_transform.getType() == TRANSFORM_PRIMITIVE)
1766 m_patch.transform(matrix);
1770 transformComponents(matrix);
1773 void applyTransform()
1775 m_patch.revertTransform();
1776 evaluateTransform();
1777 m_patch.freezeTransform();
1779 typedef MemberCaller<PatchInstance, &PatchInstance::applyTransform> ApplyTransformCaller;
1782 bool testLight(const RendererLight& light) const
1784 return light.testAABB(worldAABB());
1789 template<typename TokenImporter, typename TokenExporter>
1791 public scene::Node::Symbiot,
1792 public scene::Instantiable,
1793 public scene::Cloneable
1795 typedef PatchNode<TokenImporter, TokenExporter> Self;
1799 InstanceTypeCastTable m_casts;
1803 NodeStaticCast<PatchNode, scene::Instantiable>::install(m_casts);
1804 NodeStaticCast<PatchNode, scene::Cloneable>::install(m_casts);
1805 NodeContainedCast<PatchNode, Snappable>::install(m_casts);
1806 NodeContainedCast<PatchNode, TransformNode>::install(m_casts);
1807 NodeContainedCast<PatchNode, Patch>::install(m_casts);
1808 NodeContainedCast<PatchNode, XMLImporter>::install(m_casts);
1809 NodeContainedCast<PatchNode, XMLExporter>::install(m_casts);
1810 NodeContainedCast<PatchNode, MapImporter>::install(m_casts);
1811 NodeContainedCast<PatchNode, MapExporter>::install(m_casts);
1812 NodeContainedCast<PatchNode, Nameable>::install(m_casts);
1814 InstanceTypeCastTable& get()
1822 InstanceSet m_instances;
1824 TokenImporter m_importMap;
1825 TokenExporter m_exportMap;
1829 typedef LazyStatic<TypeCasts> StaticTypeCasts;
1831 Snappable& get(NullType<Snappable>)
1835 TransformNode& get(NullType<TransformNode>)
1839 Patch& get(NullType<Patch>)
1843 XMLImporter& get(NullType<XMLImporter>)
1847 XMLExporter& get(NullType<XMLExporter>)
1851 MapImporter& get(NullType<MapImporter>)
1855 MapExporter& get(NullType<MapExporter>)
1859 Nameable& get(NullType<Nameable>)
1864 PatchNode(bool patchDef3 = false) :
1865 m_node(this, this, StaticTypeCasts::instance().get()),
1866 m_patch(m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
1867 m_importMap(m_patch),
1868 m_exportMap(m_patch)
1870 m_patch.m_patchDef3 = patchDef3;
1872 PatchNode(const PatchNode& other) :
1873 scene::Node::Symbiot(other),
1874 scene::Instantiable(other),
1875 scene::Cloneable(other),
1876 m_node(this, this, StaticTypeCasts::instance().get()),
1877 m_patch(other.m_patch, m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
1878 m_importMap(m_patch),
1879 m_exportMap(m_patch)
1894 const Patch& get() const
1899 scene::Node& clone() const
1901 return (new PatchNode(*this))->node();
1904 scene::Instance* create(const scene::Path& path, scene::Instance* parent)
1906 return new PatchInstance(path, parent, m_patch);
1908 void forEachInstance(const scene::Instantiable::Visitor& visitor)
1910 m_instances.forEachInstance(visitor);
1912 void insert(scene::Instantiable::Observer* observer, const scene::Path& path, scene::Instance* instance)
1914 m_instances.insert(observer, path, instance);
1916 scene::Instance* erase(scene::Instantiable::Observer* observer, const scene::Path& path)
1918 return m_instances.erase(observer, path);
1924 typedef PatchNode<PatchTokenImporter, PatchTokenExporter> PatchNodeQuake3;
1925 typedef PatchNode<PatchDoom3TokenImporter, PatchDoom3TokenExporter> PatchNodeDoom3;
1927 inline Patch* Node_getPatch(scene::Node& node)
1929 return NodeTypeCast<Patch>::cast(node);
1932 inline PatchInstance* Instance_getPatch(scene::Instance& instance)
1934 return InstanceTypeCast<PatchInstance>::cast(instance);
1937 template<typename Functor>
1938 class PatchSelectedVisitor : public SelectionSystem::Visitor
1940 const Functor& m_functor;
1942 PatchSelectedVisitor(const Functor& functor) : m_functor(functor)
1945 void visit(scene::Instance& instance) const
1947 PatchInstance* patch = Instance_getPatch(instance);
1955 template<typename Functor>
1956 inline void Scene_forEachSelectedPatch(const Functor& functor)
1958 GlobalSelectionSystem().foreachSelected(PatchSelectedVisitor<Functor>(functor));
1962 template<typename Functor>
1963 class PatchVisibleSelectedVisitor : public SelectionSystem::Visitor
1965 const Functor& m_functor;
1967 PatchVisibleSelectedVisitor(const Functor& functor) : m_functor(functor)
1970 void visit(scene::Instance& instance) const
1972 PatchInstance* patch = Instance_getPatch(instance);
1974 && instance.path().top().get().visible())
1981 template<typename Functor>
1982 inline void Scene_forEachVisibleSelectedPatchInstance(const Functor& functor)
1984 GlobalSelectionSystem().foreachSelected(PatchVisibleSelectedVisitor<Functor>(functor));
1987 template<typename Functor>
1988 class PatchForEachWalker : public scene::Graph::Walker
1990 const Functor& m_functor;
1992 PatchForEachWalker(const Functor& functor) : m_functor(functor)
1995 bool pre(const scene::Path& path, scene::Instance& instance) const
1997 if(path.top().get().visible())
1999 Patch* patch = Node_getPatch(path.top());
2009 template<typename Functor>
2010 inline void Scene_forEachVisiblePatch(const Functor& functor)
2012 GlobalSceneGraph().traverse(PatchForEachWalker<Functor>(functor));
2015 template<typename Functor>
2016 class PatchForEachSelectedWalker : public scene::Graph::Walker
2018 const Functor& m_functor;
2020 PatchForEachSelectedWalker(const Functor& functor) : m_functor(functor)
2023 bool pre(const scene::Path& path, scene::Instance& instance) const
2025 if(path.top().get().visible())
2027 Patch* patch = Node_getPatch(path.top());
2029 && Instance_getSelectable(instance)->isSelected())
2038 template<typename Functor>
2039 inline void Scene_forEachVisibleSelectedPatch(const Functor& functor)
2041 GlobalSceneGraph().traverse(PatchForEachSelectedWalker<Functor>(functor));
2044 template<typename Functor>
2045 class PatchForEachInstanceWalker : public scene::Graph::Walker
2047 const Functor& m_functor;
2049 PatchForEachInstanceWalker(const Functor& functor) : m_functor(functor)
2052 bool pre(const scene::Path& path, scene::Instance& instance) const
2054 if(path.top().get().visible())
2056 PatchInstance* patch = Instance_getPatch(instance);
2066 template<typename Functor>
2067 inline void Scene_forEachVisiblePatchInstance(const Functor& functor)
2069 GlobalSceneGraph().traverse(PatchForEachInstanceWalker<Functor>(functor));