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 "texturelib.h"
62 #include "dragplanes.h"
70 extern int g_PatchSubdivideThreshold;
73 #define MIN_PATCH_WIDTH 3
74 #define MIN_PATCH_HEIGHT 3
76 extern std::size_t MAX_PATCH_WIDTH;
77 extern std::size_t MAX_PATCH_HEIGHT;
79 #define MAX_PATCH_ROWCTRL (((MAX_PATCH_WIDTH-1)-1)/2)
80 #define MAX_PATCH_COLCTRL (((MAX_PATCH_HEIGHT-1)-1)/2)
116 const std::size_t BEZIERCURVETREE_MAX_INDEX = 1 << ((sizeof(std::size_t) * 8) - 1);
118 struct BezierCurveTree
121 BezierCurveTree* left;
122 BezierCurveTree* right;
125 inline bool BezierCurveTree_isLeaf(const BezierCurveTree* node)
127 return node->left == 0 && node->right == 0;
130 void BezierCurveTree_Delete(BezierCurveTree *pCurve);
133 inline VertexPointer vertexpointer_arbitrarymeshvertex(const ArbitraryMeshVertex* array)
135 return VertexPointer(VertexPointer::pointer(&array->vertex), sizeof(ArbitraryMeshVertex));
145 typedef PatchControl* PatchControlIter;
146 typedef const PatchControl* PatchControlConstIter;
148 inline void copy_ctrl(PatchControlIter ctrl, PatchControlConstIter begin, PatchControlConstIter end)
150 std::copy(begin, end, ctrl);
153 const Colour4b colour_corner(0, 255, 0, 255);
154 const Colour4b colour_inside(255, 0, 255, 255);
161 virtual bool filter(const Patch& patch) const = 0;
164 bool patch_filtered(Patch& patch);
165 void add_patch_filter(PatchFilter& filter, int mask, bool invert = false);
167 void Patch_addTextureChangedCallback(const Callback& callback);
168 void Patch_textureChanged();
170 inline void BezierCurveTreeArray_deleteAll(Array<BezierCurveTree*>& curveTrees)
172 for(Array<BezierCurveTree*>::iterator i = curveTrees.begin(); i != curveTrees.end(); ++i)
174 BezierCurveTree_Delete(*i);
178 inline void PatchControlArray_invert(Array<PatchControl>& ctrl, std::size_t width, std::size_t height)
180 Array<PatchControl> tmp(width);
182 PatchControlIter from = ctrl.data() + (width * (height - 1));
183 PatchControlIter to = ctrl.data();
184 for(std::size_t h = 0; h != ((height - 1) >> 1); ++h, to += width, from -= width)
186 copy_ctrl(tmp.data(), to, to + width);
187 copy_ctrl(to, from, from + width);
188 copy_ctrl(from, tmp.data(), tmp.data() + width);
192 class PatchTesselation
195 Array<ArbitraryMeshVertex> m_vertices;
196 Array<RenderIndex> m_indices;
197 std::size_t m_numStrips;
198 std::size_t m_lenStrips;
200 Array<std::size_t> m_arrayWidth;
201 std::size_t m_nArrayWidth;
202 Array<std::size_t> m_arrayHeight;
203 std::size_t m_nArrayHeight;
205 Array<BezierCurveTree*> m_curveTreeU;
206 Array<BezierCurveTree*> m_curveTreeV;
209 class RenderablePatchWireframe : public OpenGLRenderable
211 PatchTesselation& m_tess;
213 RenderablePatchWireframe(PatchTesselation& tess) : m_tess(tess)
216 void render(RenderStateFlags state) const
220 glVertexPointer(3, GL_FLOAT, 0, 0);
221 glDrawArrays(GL_TRIANGLE_FAN, 0, 0);
225 glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
226 for(std::size_t i = 0; i <= m_tess.m_curveTreeV.size(); ++i)
228 glDrawArrays(GL_LINE_STRIP, GLint(n), GLsizei(m_tess.m_nArrayWidth));
230 if(i == m_tess.m_curveTreeV.size()) break;
232 if(!BezierCurveTree_isLeaf(m_tess.m_curveTreeV[i]))
233 glDrawArrays(GL_LINE_STRIP, GLint(m_tess.m_curveTreeV[i]->index), GLsizei(m_tess.m_nArrayWidth));
235 n += (m_tess.m_arrayHeight[i]*m_tess.m_nArrayWidth);
241 const ArbitraryMeshVertex* p = m_tess.m_vertices.data();
242 std::size_t n = m_tess.m_nArrayWidth * sizeof(ArbitraryMeshVertex);
243 for(std::size_t i = 0; i <= m_tess.m_curveTreeU.size(); ++i)
245 glVertexPointer(3, GL_FLOAT, GLsizei(n), &p->vertex);
246 glDrawArrays(GL_LINE_STRIP, 0, GLsizei(m_tess.m_nArrayHeight));
248 if(i == m_tess.m_curveTreeU.size()) break;
250 if(!BezierCurveTree_isLeaf(m_tess.m_curveTreeU[i]))
252 glVertexPointer(3, GL_FLOAT, GLsizei(n), &(m_tess.m_vertices.data() + (m_tess.m_curveTreeU[i]->index))->vertex);
253 glDrawArrays(GL_LINE_STRIP, 0, GLsizei(m_tess.m_nArrayHeight));
256 p += m_tess.m_arrayWidth[i];
262 class RenderablePatchFixedWireframe : public OpenGLRenderable
264 PatchTesselation& m_tess;
266 RenderablePatchFixedWireframe(PatchTesselation& tess) : m_tess(tess)
269 void render(RenderStateFlags state) const
271 glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
272 const RenderIndex* strip_indices = m_tess.m_indices.data();
273 for(std::size_t i = 0; i<m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips)
275 glDrawElements(GL_QUAD_STRIP, GLsizei(m_tess.m_lenStrips), RenderIndexTypeID, strip_indices);
280 class RenderablePatchSolid : public OpenGLRenderable
282 PatchTesselation& m_tess;
284 RenderablePatchSolid(PatchTesselation& tess) : m_tess(tess)
287 void RenderNormals() const;
288 void render(RenderStateFlags state) const
291 if((state & RENDER_FILL) == 0)
293 RenderablePatchWireframe(m_tess).render(state);
298 if((state & RENDER_BUMP) != 0)
300 if(GlobalShaderCache().useShaderLanguage())
302 glNormalPointer(GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
303 glVertexAttribPointerARB(c_attr_TexCoord0, 2, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
304 glVertexAttribPointerARB(c_attr_Tangent, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->tangent);
305 glVertexAttribPointerARB(c_attr_Binormal, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->bitangent);
309 glVertexAttribPointerARB(11, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
310 glVertexAttribPointerARB(8, 2, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
311 glVertexAttribPointerARB(9, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->tangent);
312 glVertexAttribPointerARB(10, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->bitangent);
317 glNormalPointer(GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
318 glTexCoordPointer(2, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
320 glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
321 const RenderIndex* strip_indices = m_tess.m_indices.data();
322 for(std::size_t i = 0; i<m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips)
324 glDrawElements(GL_QUAD_STRIP, GLsizei(m_tess.m_lenStrips), RenderIndexTypeID, strip_indices);
334 // parametric surface defined by quadratic bezier control curves
338 public TransformNode,
356 xml_state_t(EState state)
363 const char* content() const
365 return m_content.c_str();
367 std::size_t write(const char* buffer, std::size_t length)
369 return m_content.write(buffer, length);
373 StringOutputStream m_content;
376 std::vector<xml_state_t> m_xml_state;
378 typedef Array<PatchControl> PatchControlArray;
380 class SavedState : public UndoMemento
386 const PatchControlArray& ctrl,
389 std::size_t subdivisions_x,
390 std::size_t subdivisions_y
396 m_patchDef3(patchDef3),
397 m_subdivisions_x(subdivisions_x),
398 m_subdivisions_y(subdivisions_y)
407 std::size_t m_width, m_height;
408 CopiedString m_shader;
409 PatchControlArray m_ctrl;
411 std::size_t m_subdivisions_x;
412 std::size_t m_subdivisions_y;
419 virtual void allocate(std::size_t size) = 0;
423 typedef UniqueSet<Observer*> Observers;
424 Observers m_observers;
428 AABB m_aabb_local; // local bbox
430 CopiedString m_shader;
434 std::size_t m_height;
437 std::size_t m_subdivisions_x;
438 std::size_t m_subdivisions_y;
441 UndoObserver* m_undoable_observer;
444 // dynamically allocated array of control points, size is m_width*m_height
445 PatchControlArray m_ctrl;
446 PatchControlArray m_ctrlTransformed;
448 PatchTesselation m_tess;
449 RenderablePatchSolid m_render_solid;
450 RenderablePatchWireframe m_render_wireframe;
451 RenderablePatchFixedWireframe m_render_wireframe_fixed;
453 static Shader* m_state_ctrl;
454 static Shader* m_state_lattice;
455 VertexBuffer<PointVertex> m_ctrl_vertices;
456 RenderableVertexBuffer m_render_ctrl;
457 IndexBuffer m_lattice_indices;
458 RenderableIndexBuffer m_render_lattice;
462 bool m_transformChanged;
463 Callback m_evaluateTransform;
464 Callback m_boundsChanged;
469 m_width = m_height = 0;
472 m_subdivisions_x = 0;
473 m_subdivisions_y = 0;
478 m_xml_state.push_back(xml_state_t::eDefault);
482 Callback m_lightsChanged;
484 static int m_CycleCapIndex;// = 0;
485 static EPatchType m_type;
487 STRING_CONSTANT(Name, "Patch");
489 Patch(scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged) :
491 m_shader(texdef_name_default()),
493 m_undoable_observer(0),
495 m_render_solid(m_tess),
496 m_render_wireframe(m_tess),
497 m_render_wireframe_fixed(m_tess),
498 m_render_ctrl(GL_POINTS, m_ctrl_vertices),
499 m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
500 m_transformChanged(false),
501 m_evaluateTransform(evaluateTransform),
502 m_boundsChanged(boundsChanged)
506 Patch(const Patch& other, scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged) :
508 m_shader(texdef_name_default()),
510 m_undoable_observer(0),
512 m_render_solid(m_tess),
513 m_render_wireframe(m_tess),
514 m_render_wireframe_fixed(m_tess),
515 m_render_ctrl(GL_POINTS, m_ctrl_vertices),
516 m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
517 m_transformChanged(false),
518 m_evaluateTransform(evaluateTransform),
519 m_boundsChanged(boundsChanged)
523 m_patchDef3 = other.m_patchDef3;
524 m_subdivisions_x = other.m_subdivisions_x;
525 m_subdivisions_y = other.m_subdivisions_y;
526 setDims(other.m_width, other.m_height);
527 copy_ctrl(m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data()+(m_width*m_height));
528 SetShader(other.m_shader.c_str());
529 controlPointsChanged();
532 Patch(const Patch& other) :
535 TransformNode(other),
542 m_undoable_observer(0),
544 m_render_solid(m_tess),
545 m_render_wireframe(m_tess),
546 m_render_wireframe_fixed(m_tess),
547 m_render_ctrl(GL_POINTS, m_ctrl_vertices),
548 m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
549 m_transformChanged(false),
550 m_evaluateTransform(other.m_evaluateTransform),
551 m_boundsChanged(other.m_boundsChanged)
555 m_patchDef3 = other.m_patchDef3;
556 m_subdivisions_x = other.m_subdivisions_x;
557 m_subdivisions_y = other.m_subdivisions_y;
558 setDims(other.m_width, other.m_height);
559 copy_ctrl(m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data()+(m_width*m_height));
560 SetShader(other.m_shader.c_str());
561 controlPointsChanged();
566 BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeU);
567 BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeV);
571 ASSERT_MESSAGE(m_observers.empty(), "Patch::~Patch: observers still attached");
574 InstanceCounter m_instanceCounter;
575 void instanceAttach(const scene::Path& path)
577 if(++m_instanceCounter.m_count == 1)
579 m_state->incrementUsed();
580 m_map = path_find_mapfile(path.begin(), path.end());
581 m_undoable_observer = GlobalUndoSystem().observer(this);
582 GlobalFilterSystem().registerFilterable(*this);
586 ASSERT_MESSAGE(path_find_mapfile(path.begin(), path.end()) == m_map, "node is instanced across more than one file");
589 void instanceDetach(const scene::Path& path)
591 if(--m_instanceCounter.m_count == 0)
594 m_undoable_observer = 0;
595 GlobalUndoSystem().release(this);
596 GlobalFilterSystem().unregisterFilterable(*this);
597 m_state->decrementUsed();
601 const char* name() const
605 void attach(const NameCallback& callback)
608 void detach(const NameCallback& callback)
612 void attach(Observer* observer)
614 observer->allocate(m_width * m_height);
616 m_observers.insert(observer);
618 void detach(Observer* observer)
620 m_observers.erase(observer);
623 void updateFiltered()
627 if(patch_filtered(*this))
629 m_node->enable(scene::Node::eFiltered);
633 m_node->disable(scene::Node::eFiltered);
638 void onAllocate(std::size_t size)
640 for(Observers::iterator i = m_observers.begin(); i != m_observers.end(); ++i)
642 (*i)->allocate(size);
646 const Matrix4& localToParent() const
648 return g_matrix4_identity;
650 const AABB& localAABB() const
654 VolumeIntersectionValue intersectVolume(const VolumeTest& test, const Matrix4& localToWorld) const
656 return test.TestAABB(m_aabb_local, localToWorld);
658 void render_solid(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
660 renderer.SetState(m_state, Renderer::eFullMaterials);
661 renderer.addRenderable(m_render_solid, localToWorld);
663 void render_wireframe(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
665 renderer.SetState(m_state, Renderer::eFullMaterials);
668 renderer.addRenderable(m_render_wireframe_fixed, localToWorld);
672 renderer.addRenderable(m_render_wireframe, localToWorld);
676 void render_component(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
678 renderer.SetState(m_state_lattice, Renderer::eWireframeOnly);
679 renderer.SetState(m_state_lattice, Renderer::eFullMaterials);
680 renderer.addRenderable(m_render_lattice, localToWorld);
682 renderer.SetState(m_state_ctrl, Renderer::eWireframeOnly);
683 renderer.SetState(m_state_ctrl, Renderer::eFullMaterials);
684 renderer.addRenderable(m_render_ctrl, localToWorld);
686 void testSelect(Selector& selector, SelectionTest& test)
688 SelectionIntersection best;
689 IndexPointer::index_type* pIndex = m_tess.m_indices.data();
690 for(std::size_t s=0; s<m_tess.m_numStrips; s++)
692 test.TestQuadStrip(vertexpointer_arbitrarymeshvertex(m_tess.m_vertices.data()), IndexPointer(pIndex, m_tess.m_lenStrips), best);
693 pIndex += m_tess.m_lenStrips;
697 selector.addIntersection(best);
700 void transform(const Matrix4& matrix)
702 for(PatchControlIter i = m_ctrlTransformed.data(); i != m_ctrlTransformed.data() + m_ctrlTransformed.size(); ++i)
704 matrix4_transform_point(matrix, (*i).m_vertex);
707 if(matrix4_handedness(matrix) == MATRIX4_LEFTHANDED)
709 PatchControlArray_invert(m_ctrlTransformed, m_width, m_height);
713 void transformChanged()
715 m_transformChanged = true;
719 typedef MemberCaller<Patch, &Patch::transformChanged> TransformChangedCaller;
721 void evaluateTransform()
723 if(m_transformChanged)
725 m_transformChanged = false;
727 m_evaluateTransform();
731 void revertTransform()
733 m_ctrlTransformed = m_ctrl;
735 void freezeTransform()
739 ASSERT_MESSAGE(m_ctrlTransformed.size() == m_ctrl.size(), "Patch::freeze: size mismatch");
740 std::copy(m_ctrlTransformed.begin(), m_ctrlTransformed.end(), m_ctrl.begin());
743 void controlPointsChanged()
750 void snapto(float snap)
754 for(PatchControlIter i = m_ctrl.data(); i != m_ctrl.data() + m_ctrl.size(); ++i)
756 vector3_snap((*i).m_vertex, snap);
759 controlPointsChanged();
765 void RenderDebug(RenderStateFlags state) const;
766 void RenderNormals(RenderStateFlags state) const;
768 void pushElement(const XMLElement& element)
770 switch(m_xml_state.back().state())
772 case xml_state_t::eDefault:
773 ASSERT_MESSAGE(string_equal(element.name(), "patch"), "parse error");
774 m_xml_state.push_back(xml_state_t::ePatch);
776 case xml_state_t::ePatch:
777 if(string_equal(element.name(), "matrix"))
779 setDims(atoi(element.attribute("width")), atoi(element.attribute("height")));
780 m_xml_state.push_back(xml_state_t::eMatrix);
782 else if(string_equal(element.name(), "shader"))
784 m_xml_state.push_back(xml_state_t::eShader);
788 ERROR_MESSAGE("parse error");
792 void popElement(const char* name)
794 switch(m_xml_state.back().state())
796 case xml_state_t::eDefault:
797 ERROR_MESSAGE("parse error");
799 case xml_state_t::ePatch:
801 case xml_state_t::eMatrix:
803 StringTokeniser content(m_xml_state.back().content());
805 for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
807 (*i).m_vertex[0] = string_read_float(content.getToken());
808 (*i).m_vertex[1] = string_read_float(content.getToken());
809 (*i).m_vertex[2] = string_read_float(content.getToken());
810 (*i).m_texcoord[0] = string_read_float(content.getToken());
811 (*i).m_texcoord[1] = string_read_float(content.getToken());
813 controlPointsChanged();
816 case xml_state_t::eShader:
818 SetShader(m_xml_state.back().content());
822 ERROR_MESSAGE("parse error");
825 ASSERT_MESSAGE(!m_xml_state.empty(), "popping empty stack");
826 m_xml_state.pop_back();
828 std::size_t write(const char* buffer, std::size_t length)
830 switch(m_xml_state.back().state())
832 case xml_state_t::eDefault:
834 case xml_state_t::ePatch:
836 case xml_state_t::eMatrix:
837 case xml_state_t::eShader:
838 return m_xml_state.back().write(buffer, length);
841 ERROR_MESSAGE("parse error");
846 void exportXML(XMLImporter& importer)
848 StaticElement patchElement("patch");
849 importer.pushElement(patchElement);
852 const StaticElement element("shader");
853 importer.pushElement(element);
854 importer.write(m_shader.c_str(), strlen(m_shader.c_str()));
855 importer.popElement(element.name());
859 char width[16], height[16];
860 sprintf(width, "%u", Unsigned(m_width));
861 sprintf(height, "%u", Unsigned(m_height));
862 StaticElement element("matrix");
863 element.insertAttribute("width", width);
864 element.insertAttribute("height", height);
866 importer.pushElement(element);
868 for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
870 importer << (*i).m_vertex[0]
871 << ' ' << (*i).m_vertex[1]
872 << ' ' << (*i).m_vertex[2]
873 << ' ' << (*i).m_texcoord[0]
874 << ' ' << (*i).m_texcoord[1];
877 importer.popElement(element.name());
880 importer.popElement(patchElement.name());
883 void UpdateCachedData();
885 const char *GetShader() const
887 return m_shader.c_str();
889 void SetShader(const char* name)
891 ASSERT_NOTNULL(name);
893 if(shader_equal(m_shader.c_str(), name))
898 if(m_instanceCounter.m_count != 0)
900 m_state->decrementUsed();
905 if(m_instanceCounter.m_count != 0)
907 m_state->incrementUsed();
911 Patch_textureChanged();
913 int getShaderFlags() const
917 return m_state->getFlags();
922 typedef PatchControl* iterator;
923 typedef const PatchControl* const_iterator;
927 return m_ctrl.data();
929 const_iterator begin() const
931 return m_ctrl.data();
935 return m_ctrl.data() + m_ctrl.size();
937 const_iterator end() const
939 return m_ctrl.data() + m_ctrl.size();
942 PatchControlArray& getControlPointsTransformed()
944 return m_ctrlTransformed;
947 void setDims (std::size_t w, std::size_t h);
948 std::size_t getWidth() const
952 std::size_t getHeight() const
956 PatchControl& ctrlAt(std::size_t row, std::size_t col)
958 return m_ctrl[row*m_width+col];
960 const PatchControl& ctrlAt(std::size_t row, std::size_t col) const
962 return m_ctrl[row*m_width+col];
965 void ConstructPrefab(const AABB& aabb, EPatchPrefab eType, int axis, std::size_t width = 3, std::size_t height = 3);
966 void constructPlane(const AABB& aabb, int axis, std::size_t width, std::size_t height);
968 void TransposeMatrix();
969 void Redisperse(EMatrixMajor mt);
970 void InsertRemove(bool bInsert, bool bColumn, bool bFirst);
971 Patch* MakeCap(Patch* patch, EPatchCap eType, EMatrixMajor mt, bool bFirst);
972 void ConstructSeam(EPatchCap eType, Vector3* p, std::size_t width);
974 void FlipTexture(int nAxis);
975 void TranslateTexture(float s, float t);
976 void ScaleTexture(float s, float t);
977 void RotateTexture(float angle);
978 void SetTextureRepeat(float s, float t); // call with s=1 t=1 for FIT
980 void NaturalTexture();
981 void ProjectTexture(int nAxis);
989 if(m_undoable_observer != 0)
991 m_undoable_observer->save(this);
995 UndoMemento* exportState() const
997 return new SavedState(m_width, m_height, m_ctrl, m_shader.c_str(), m_patchDef3, m_subdivisions_x, m_subdivisions_y);
999 void importState(const UndoMemento* state)
1003 const SavedState& other = *(static_cast<const SavedState*>(state));
1005 // begin duplicate of SavedState copy constructor, needs refactoring
1009 m_width = other.m_width;
1010 m_height = other.m_height;
1011 SetShader(other.m_shader.c_str());
1012 m_ctrl = other.m_ctrl;
1013 onAllocate(m_ctrl.size());
1014 m_patchDef3 = other.m_patchDef3;
1015 m_subdivisions_x = other.m_subdivisions_x;
1016 m_subdivisions_y = other.m_subdivisions_y;
1019 // end duplicate code
1021 Patch_textureChanged();
1023 controlPointsChanged();
1026 static void constructStatic(EPatchType type)
1028 Patch::m_type = type;
1029 Patch::m_state_ctrl = GlobalShaderCache().capture("$POINT");
1030 Patch::m_state_lattice = GlobalShaderCache().capture("$LATTICE");
1033 static void destroyStatic()
1035 GlobalShaderCache().release("$LATTICE");
1036 GlobalShaderCache().release("$POINT");
1039 void captureShader()
1041 m_state = GlobalShaderCache().capture(m_shader.c_str());
1044 void releaseShader()
1046 GlobalShaderCache().release(m_shader.c_str());
1051 if(!shader_valid(GetShader()))
1053 globalErrorStream() << "patch has invalid texture name: '" << GetShader() << "'\n";
1057 void InsertPoints(EMatrixMajor mt, bool bFirst);
1058 void RemovePoints(EMatrixMajor mt, bool bFirst);
1060 void AccumulateBBox();
1062 void TesselateSubMatrixFixed(ArbitraryMeshVertex* vertices, std::size_t strideX, std::size_t strideY, unsigned int nFlagsX, unsigned int nFlagsY, PatchControl* subMatrix[3][3]);
1064 // uses binary trees representing bezier curves to recursively tesselate a bezier sub-patch
1065 void TesselateSubMatrix( const BezierCurveTree *BX, const BezierCurveTree *BY,
1066 std::size_t offStartX, std::size_t offStartY,
1067 std::size_t offEndX, std::size_t offEndY,
1068 std::size_t nFlagsX, std::size_t nFlagsY,
1069 Vector3& left, Vector3& mid, Vector3& right,
1070 Vector2& texLeft, Vector2& texMid, Vector2& texRight,
1073 // tesselates the entire surface
1074 void BuildTesselationCurves(EMatrixMajor major);
1075 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);
1076 void BuildVertexArray();
1079 inline bool Patch_importHeader(Patch& patch, Tokeniser& tokeniser)
1081 tokeniser.nextLine();
1082 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "{"));
1086 inline bool Patch_importShader(Patch& patch, Tokeniser& tokeniser)
1088 // parse shader name
1089 tokeniser.nextLine();
1090 const char* texture = tokeniser.getToken();
1093 Tokeniser_unexpectedError(tokeniser, texture, "#texture-name");
1096 if(string_equal(texture, "NULL"))
1098 patch.SetShader(texdef_name_default());
1102 StringOutputStream shader(string_length(GlobalTexturePrefix_get()) + string_length(texture));
1103 shader << GlobalTexturePrefix_get() << texture;
1104 patch.SetShader(shader.c_str());
1109 inline bool PatchDoom3_importShader(Patch& patch, Tokeniser& tokeniser)
1111 // parse shader name
1112 tokeniser.nextLine();
1113 const char *shader = tokeniser.getToken();
1116 Tokeniser_unexpectedError(tokeniser, shader, "#shader-name");
1119 if(string_equal(shader, "_emptyname"))
1121 shader = texdef_name_default();
1123 patch.SetShader(shader);
1127 inline bool Patch_importParams(Patch& patch, Tokeniser& tokeniser)
1129 tokeniser.nextLine();
1130 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1132 // parse matrix dimensions
1135 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, c));
1136 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, r));
1138 patch.setDims(c, r);
1141 if(patch.m_patchDef3)
1143 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_x));
1144 RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_y));
1147 // ignore contents/flags/value
1149 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1150 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1151 RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
1153 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1157 inline bool Patch_importMatrix(Patch& patch, Tokeniser& tokeniser)
1160 tokeniser.nextLine();
1161 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1163 for(std::size_t c=0; c<patch.getWidth(); c++)
1165 tokeniser.nextLine();
1166 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1167 for(std::size_t r=0; r<patch.getHeight(); r++)
1169 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
1171 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[0]));
1172 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[1]));
1173 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[2]));
1174 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[0]));
1175 RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[1]));
1177 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1179 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1182 tokeniser.nextLine();
1183 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
1187 inline bool Patch_importFooter(Patch& patch, Tokeniser& tokeniser)
1189 patch.controlPointsChanged();
1191 tokeniser.nextLine();
1192 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
1194 tokeniser.nextLine();
1195 RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
1199 class PatchTokenImporter : public MapImporter
1203 PatchTokenImporter(Patch& patch) : m_patch(patch)
1206 bool importTokens(Tokeniser& tokeniser)
1208 RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
1209 RETURN_FALSE_IF_FAIL(Patch_importShader(m_patch, tokeniser));
1210 RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
1211 RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
1212 RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
1218 class PatchDoom3TokenImporter : public MapImporter
1222 PatchDoom3TokenImporter(Patch& patch) : m_patch(patch)
1225 bool importTokens(Tokeniser& tokeniser)
1227 RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
1228 RETURN_FALSE_IF_FAIL(PatchDoom3_importShader(m_patch, tokeniser));
1229 RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
1230 RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
1231 RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
1237 inline void Patch_exportHeader(const Patch& patch, TokenWriter& writer)
1239 writer.writeToken("{");
1241 writer.writeToken(patch.m_patchDef3 ? "patchDef3" : "patchDef2");
1243 writer.writeToken("{");
1247 inline void Patch_exportShader(const Patch& patch, TokenWriter& writer)
1249 // write shader name
1250 if(*(shader_get_textureName(patch.GetShader())) == '\0')
1252 writer.writeToken("NULL");
1256 writer.writeToken(shader_get_textureName(patch.GetShader()));
1261 inline void PatchDoom3_exportShader(const Patch& patch, TokenWriter& writer)
1263 // write shader name
1264 if(*(shader_get_textureName(patch.GetShader())) == '\0')
1266 writer.writeString("_emptyname");
1270 writer.writeString(patch.GetShader());
1275 inline void Patch_exportParams(const Patch& patch, TokenWriter& writer)
1277 // write matrix dimensions
1278 writer.writeToken("(");
1279 writer.writeUnsigned(patch.getWidth());
1280 writer.writeUnsigned(patch.getHeight());
1281 if(patch.m_patchDef3)
1283 writer.writeUnsigned(patch.m_subdivisions_x);
1284 writer.writeUnsigned(patch.m_subdivisions_y);
1286 writer.writeInteger(0);
1287 writer.writeInteger(0);
1288 writer.writeInteger(0);
1289 writer.writeToken(")");
1293 inline void Patch_exportMatrix(const Patch& patch, TokenWriter& writer)
1296 writer.writeToken("(");
1298 for(std::size_t c=0; c<patch.getWidth(); c++)
1300 writer.writeToken("(");
1301 for(std::size_t r=0; r<patch.getHeight(); r++)
1303 writer.writeToken("(");
1305 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[0]);
1306 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[1]);
1307 writer.writeFloat(patch.ctrlAt(r,c).m_vertex[2]);
1308 writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[0]);
1309 writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[1]);
1311 writer.writeToken(")");
1313 writer.writeToken(")");
1316 writer.writeToken(")");
1320 inline void Patch_exportFooter(const Patch& patch, TokenWriter& writer)
1322 writer.writeToken("}");
1324 writer.writeToken("}");
1328 class PatchTokenExporter : public MapExporter
1330 const Patch& m_patch;
1332 PatchTokenExporter(Patch& patch) : m_patch(patch)
1335 void exportTokens(TokenWriter& writer) const
1337 Patch_exportHeader(m_patch, writer);
1338 Patch_exportShader(m_patch, writer);
1339 Patch_exportParams(m_patch, writer);
1340 Patch_exportMatrix(m_patch, writer);
1341 Patch_exportFooter(m_patch, writer);
1345 class PatchDoom3TokenExporter : public MapExporter
1347 const Patch& m_patch;
1349 PatchDoom3TokenExporter(Patch& patch) : m_patch(patch)
1352 void exportTokens(TokenWriter& writer) const
1354 Patch_exportHeader(m_patch, writer);
1355 PatchDoom3_exportShader(m_patch, writer);
1356 Patch_exportParams(m_patch, writer);
1357 Patch_exportMatrix(m_patch, writer);
1358 Patch_exportFooter(m_patch, writer);
1362 class PatchControlInstance
1365 PatchControl* m_ctrl;
1366 ObservedSelectable m_selectable;
1368 PatchControlInstance(PatchControl* ctrl, const SelectionChangeCallback& observer)
1369 : m_ctrl(ctrl), m_selectable(observer)
1373 void testSelect(Selector& selector, SelectionTest& test)
1375 SelectionIntersection best;
1376 test.TestPoint(m_ctrl->m_vertex, best);
1379 Selector_add(selector, m_selectable, best);
1382 void snapto(float snap)
1384 vector3_snap(m_ctrl->m_vertex, snap);
1389 class PatchInstance :
1390 public Patch::Observer,
1391 public scene::Instance,
1394 public SelectionTestable,
1395 public ComponentSelectionTestable,
1396 public ComponentEditable,
1397 public ComponentSnappable,
1398 public PlaneSelectable,
1399 public LightCullable
1403 InstanceTypeCastTable m_casts;
1407 InstanceStaticCast<PatchInstance, Selectable>::install(m_casts);
1408 InstanceContainedCast<PatchInstance, Bounded>::install(m_casts);
1409 InstanceContainedCast<PatchInstance, Cullable>::install(m_casts);
1410 InstanceStaticCast<PatchInstance, Renderable>::install(m_casts);
1411 InstanceStaticCast<PatchInstance, SelectionTestable>::install(m_casts);
1412 InstanceStaticCast<PatchInstance, ComponentSelectionTestable>::install(m_casts);
1413 InstanceStaticCast<PatchInstance, ComponentEditable>::install(m_casts);
1414 InstanceStaticCast<PatchInstance, ComponentSnappable>::install(m_casts);
1415 InstanceStaticCast<PatchInstance, PlaneSelectable>::install(m_casts);
1416 InstanceIdentityCast<PatchInstance>::install(m_casts);
1417 InstanceContainedCast<PatchInstance, Transformable>::install(m_casts);
1419 InstanceTypeCastTable& get()
1427 typedef std::vector<PatchControlInstance> PatchControlInstances;
1428 PatchControlInstances m_ctrl_instances;
1430 ObservedSelectable m_selectable;
1432 DragPlanes m_dragPlanes;
1434 mutable RenderablePointVector m_render_selected;
1435 mutable AABB m_aabb_component;
1437 static Shader* m_state_selpoint;
1439 const LightList* m_lightList;
1441 TransformModifier m_transform;
1444 typedef LazyStatic<TypeCasts> StaticTypeCasts;
1446 void lightsChanged()
1448 m_lightList->lightsChanged();
1450 typedef MemberCaller<PatchInstance, &PatchInstance::lightsChanged> LightsChangedCaller;
1452 STRING_CONSTANT(Name, "PatchInstance");
1454 PatchInstance(const scene::Path& path, scene::Instance* parent, Patch& patch) :
1455 Instance(path, parent, this, StaticTypeCasts::instance().get()),
1457 m_selectable(SelectedChangedCaller(*this)),
1458 m_dragPlanes(SelectedChangedComponentCaller(*this)),
1459 m_render_selected(GL_POINTS),
1460 m_transform(Patch::TransformChangedCaller(m_patch), ApplyTransformCaller(*this))
1462 m_patch.instanceAttach(Instance::path());
1463 m_patch.attach(this);
1465 m_lightList = &GlobalShaderCache().attach(*this);
1466 m_patch.m_lightsChanged = LightsChangedCaller(*this);
1468 Instance::setTransformChangedCallback(LightsChangedCaller(*this));
1472 Instance::setTransformChangedCallback(Callback());
1474 m_patch.m_lightsChanged = Callback();
1475 GlobalShaderCache().detach(*this);
1477 m_patch.detach(this);
1478 m_patch.instanceDetach(Instance::path());
1481 void selectedChanged(const Selectable& selectable)
1483 GlobalSelectionSystem().getObserver(SelectionSystem::ePrimitive)(selectable);
1484 GlobalSelectionSystem().onSelectedChanged(*this, selectable);
1486 Instance::selectedChanged();
1488 typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChanged> SelectedChangedCaller;
1490 void selectedChangedComponent(const Selectable& selectable)
1492 GlobalSelectionSystem().getObserver(SelectionSystem::eComponent)(selectable);
1493 GlobalSelectionSystem().onComponentSelection(*this, selectable);
1495 typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChangedComponent> SelectedChangedComponentCaller;
1501 Bounded& get(NullType<Bounded>)
1505 Cullable& get(NullType<Cullable>)
1509 Transformable& get(NullType<Transformable>)
1514 static void constructStatic()
1516 m_state_selpoint = GlobalShaderCache().capture("$SELPOINT");
1519 static void destroyStatic()
1521 GlobalShaderCache().release("$SELPOINT");
1525 void allocate(std::size_t size)
1527 m_ctrl_instances.clear();
1528 m_ctrl_instances.reserve(size);
1529 for(Patch::iterator i = m_patch.begin(); i != m_patch.end(); ++i)
1531 m_ctrl_instances.push_back(PatchControlInstance(&(*i), SelectedChangedComponentCaller(*this)));
1535 void setSelected(bool select)
1537 m_selectable.setSelected(select);
1539 bool isSelected() const
1541 return m_selectable.isSelected();
1545 void update_selected() const
1547 m_render_selected.clear();
1548 Patch::iterator ctrl = m_patch.getControlPointsTransformed().begin();
1549 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
1551 if((*i).m_selectable.isSelected())
1553 const Colour4b colour_selected(0, 0, 255, 255);
1554 m_render_selected.push_back(PointVertex(reinterpret_cast<Vertex3f&>((*ctrl).m_vertex), colour_selected));
1560 void render(Renderer& renderer, const VolumeTest& volume) const
1562 if(GlobalSelectionSystem().Mode() == SelectionSystem::eComponent
1563 && m_selectable.isSelected())
1565 renderer.Highlight(Renderer::eFace, false);
1567 m_patch.render(renderer, volume, localToWorld());
1569 if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
1571 renderer.Highlight(Renderer::ePrimitive, false);
1573 m_patch.render_component(renderer, volume, localToWorld());
1575 renderComponentsSelected(renderer, volume);
1579 m_patch.render(renderer, volume, localToWorld());
1583 void renderSolid(Renderer& renderer, const VolumeTest& volume) const
1585 m_patch.evaluateTransform();
1586 renderer.setLights(*m_lightList);
1587 m_patch.render_solid(renderer, volume, localToWorld());
1589 renderComponentsSelected(renderer, volume);
1592 void renderWireframe(Renderer& renderer, const VolumeTest& volume) const
1594 m_patch.evaluateTransform();
1595 m_patch.render_wireframe(renderer, volume, localToWorld());
1597 renderComponentsSelected(renderer, volume);
1600 void renderComponentsSelected(Renderer& renderer, const VolumeTest& volume) const
1602 m_patch.evaluateTransform();
1604 if(!m_render_selected.empty())
1606 renderer.Highlight(Renderer::ePrimitive, false);
1607 renderer.SetState(m_state_selpoint, Renderer::eWireframeOnly);
1608 renderer.SetState(m_state_selpoint, Renderer::eFullMaterials);
1609 renderer.addRenderable(m_render_selected, localToWorld());
1612 void renderComponents(Renderer& renderer, const VolumeTest& volume) const
1614 m_patch.evaluateTransform();
1615 if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
1617 m_patch.render_component(renderer, volume, localToWorld());
1621 void testSelect(Selector& selector, SelectionTest& test)
1623 test.BeginMesh(localToWorld(), true);
1624 m_patch.testSelect(selector, test);
1627 void selectCtrl(bool select)
1629 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1631 (*i).m_selectable.setSelected(select);
1634 bool isSelectedComponents() const
1636 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1638 if((*i).m_selectable.isSelected())
1645 void setSelectedComponents(bool select, SelectionSystem::EComponentMode mode)
1647 if(mode == SelectionSystem::eVertex)
1651 else if(mode == SelectionSystem::eFace)
1653 m_dragPlanes.setSelected(select);
1656 const AABB& getSelectedComponentsBounds() const
1658 m_aabb_component = AABB();
1660 for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1662 if((*i).m_selectable.isSelected())
1664 aabb_extend_by_point_safe(m_aabb_component, (*i).m_ctrl->m_vertex);
1668 return m_aabb_component;
1671 void testSelectComponents(Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode)
1673 test.BeginMesh(localToWorld());
1677 case SelectionSystem::eVertex:
1679 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1681 (*i).testSelect(selector, test);
1690 bool selectedVertices()
1692 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1694 if((*i).m_selectable.isSelected())
1702 void transformComponents(const Matrix4& matrix)
1704 if(selectedVertices())
1706 PatchControlIter ctrl = m_patch.getControlPointsTransformed().begin();
1707 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
1709 if((*i).m_selectable.isSelected())
1711 matrix4_transform_point(matrix, (*ctrl).m_vertex);
1714 m_patch.UpdateCachedData();
1717 if(m_dragPlanes.isSelected()) // this should only be true when the transform is a pure translation.
1719 m_patch.transform(m_dragPlanes.evaluateTransform(matrix.t()));
1724 void selectPlanes(Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback)
1726 test.BeginMesh(localToWorld());
1728 m_dragPlanes.selectPlanes(m_patch.localAABB(), selector, test, selectedPlaneCallback);
1730 void selectReversedPlanes(Selector& selector, const SelectedPlanes& selectedPlanes)
1732 m_dragPlanes.selectReversedPlanes(m_patch.localAABB(), selector, selectedPlanes);
1736 void snapComponents(float snap)
1738 if(selectedVertices())
1741 for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
1743 if((*i).m_selectable.isSelected())
1748 m_patch.controlPointsChanged();
1752 void evaluateTransform()
1754 Matrix4 matrix(m_transform.calculateTransform());
1756 if(m_transform.getType() == TRANSFORM_PRIMITIVE)
1758 m_patch.transform(matrix);
1762 transformComponents(matrix);
1765 void applyTransform()
1767 m_patch.revertTransform();
1768 evaluateTransform();
1769 m_patch.freezeTransform();
1771 typedef MemberCaller<PatchInstance, &PatchInstance::applyTransform> ApplyTransformCaller;
1774 bool testLight(const RendererLight& light) const
1776 return light.testAABB(worldAABB());
1781 template<typename TokenImporter, typename TokenExporter>
1783 public scene::Node::Symbiot,
1784 public scene::Instantiable,
1785 public scene::Cloneable
1787 typedef PatchNode<TokenImporter, TokenExporter> Self;
1791 InstanceTypeCastTable m_casts;
1795 NodeStaticCast<PatchNode, scene::Instantiable>::install(m_casts);
1796 NodeStaticCast<PatchNode, scene::Cloneable>::install(m_casts);
1797 NodeContainedCast<PatchNode, Snappable>::install(m_casts);
1798 NodeContainedCast<PatchNode, TransformNode>::install(m_casts);
1799 NodeContainedCast<PatchNode, Patch>::install(m_casts);
1800 NodeContainedCast<PatchNode, XMLImporter>::install(m_casts);
1801 NodeContainedCast<PatchNode, XMLExporter>::install(m_casts);
1802 NodeContainedCast<PatchNode, MapImporter>::install(m_casts);
1803 NodeContainedCast<PatchNode, MapExporter>::install(m_casts);
1804 NodeContainedCast<PatchNode, Nameable>::install(m_casts);
1806 InstanceTypeCastTable& get()
1814 InstanceSet m_instances;
1816 TokenImporter m_importMap;
1817 TokenExporter m_exportMap;
1821 typedef LazyStatic<TypeCasts> StaticTypeCasts;
1823 Snappable& get(NullType<Snappable>)
1827 TransformNode& get(NullType<TransformNode>)
1831 Patch& get(NullType<Patch>)
1835 XMLImporter& get(NullType<XMLImporter>)
1839 XMLExporter& get(NullType<XMLExporter>)
1843 MapImporter& get(NullType<MapImporter>)
1847 MapExporter& get(NullType<MapExporter>)
1851 Nameable& get(NullType<Nameable>)
1856 PatchNode(bool patchDef3 = false) :
1857 m_node(this, this, StaticTypeCasts::instance().get()),
1858 m_patch(m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
1859 m_importMap(m_patch),
1860 m_exportMap(m_patch)
1862 m_patch.m_patchDef3 = patchDef3;
1864 PatchNode(const PatchNode& other) :
1865 scene::Node::Symbiot(other),
1866 scene::Instantiable(other),
1867 scene::Cloneable(other),
1868 m_node(this, this, StaticTypeCasts::instance().get()),
1869 m_patch(other.m_patch, m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
1870 m_importMap(m_patch),
1871 m_exportMap(m_patch)
1886 const Patch& get() const
1891 scene::Node& clone() const
1893 return (new PatchNode(*this))->node();
1896 scene::Instance* create(const scene::Path& path, scene::Instance* parent)
1898 return new PatchInstance(path, parent, m_patch);
1900 void forEachInstance(const scene::Instantiable::Visitor& visitor)
1902 m_instances.forEachInstance(visitor);
1904 void insert(scene::Instantiable::Observer* observer, const scene::Path& path, scene::Instance* instance)
1906 m_instances.insert(observer, path, instance);
1908 scene::Instance* erase(scene::Instantiable::Observer* observer, const scene::Path& path)
1910 return m_instances.erase(observer, path);
1916 typedef PatchNode<PatchTokenImporter, PatchTokenExporter> PatchNodeQuake3;
1917 typedef PatchNode<PatchDoom3TokenImporter, PatchDoom3TokenExporter> PatchNodeDoom3;
1919 inline Patch* Node_getPatch(scene::Node& node)
1921 return NodeTypeCast<Patch>::cast(node);
1924 inline PatchInstance* Instance_getPatch(scene::Instance& instance)
1926 return InstanceTypeCast<PatchInstance>::cast(instance);
1929 template<typename Functor>
1930 class PatchSelectedVisitor : public SelectionSystem::Visitor
1932 const Functor& m_functor;
1934 PatchSelectedVisitor(const Functor& functor) : m_functor(functor)
1937 void visit(scene::Instance& instance) const
1939 PatchInstance* patch = Instance_getPatch(instance);
1947 template<typename Functor>
1948 inline void Scene_forEachSelectedPatch(const Functor& functor)
1950 GlobalSelectionSystem().foreachSelected(PatchSelectedVisitor<Functor>(functor));
1954 template<typename Functor>
1955 class PatchVisibleSelectedVisitor : public SelectionSystem::Visitor
1957 const Functor& m_functor;
1959 PatchVisibleSelectedVisitor(const Functor& functor) : m_functor(functor)
1962 void visit(scene::Instance& instance) const
1964 PatchInstance* patch = Instance_getPatch(instance);
1966 && instance.path().top().get().visible())
1973 template<typename Functor>
1974 inline void Scene_forEachVisibleSelectedPatchInstance(const Functor& functor)
1976 GlobalSelectionSystem().foreachSelected(PatchVisibleSelectedVisitor<Functor>(functor));
1979 template<typename Functor>
1980 class PatchForEachWalker : public scene::Graph::Walker
1982 const Functor& m_functor;
1984 PatchForEachWalker(const Functor& functor) : m_functor(functor)
1987 bool pre(const scene::Path& path, scene::Instance& instance) const
1989 if(path.top().get().visible())
1991 Patch* patch = Node_getPatch(path.top());
2001 template<typename Functor>
2002 inline void Scene_forEachVisiblePatch(const Functor& functor)
2004 GlobalSceneGraph().traverse(PatchForEachWalker<Functor>(functor));
2007 template<typename Functor>
2008 class PatchForEachSelectedWalker : public scene::Graph::Walker
2010 const Functor& m_functor;
2012 PatchForEachSelectedWalker(const Functor& functor) : m_functor(functor)
2015 bool pre(const scene::Path& path, scene::Instance& instance) const
2017 if(path.top().get().visible())
2019 Patch* patch = Node_getPatch(path.top());
2021 && Instance_getSelectable(instance)->isSelected())
2030 template<typename Functor>
2031 inline void Scene_forEachVisibleSelectedPatch(const Functor& functor)
2033 GlobalSceneGraph().traverse(PatchForEachSelectedWalker<Functor>(functor));
2036 template<typename Functor>
2037 class PatchForEachInstanceWalker : public scene::Graph::Walker
2039 const Functor& m_functor;
2041 PatchForEachInstanceWalker(const Functor& functor) : m_functor(functor)
2044 bool pre(const scene::Path& path, scene::Instance& instance) const
2046 if(path.top().get().visible())
2048 PatchInstance* patch = Instance_getPatch(instance);
2058 template<typename Functor>
2059 inline void Scene_forEachVisiblePatchInstance(const Functor& functor)
2061 GlobalSceneGraph().traverse(PatchForEachInstanceWalker<Functor>(functor));