1 #ifndef COIN_SOSHAPE_H 2 #define COIN_SOSHAPE_H 3 4 /**************************************************************************\ 5 * Copyright (c) Kongsberg Oil & Gas Technologies AS 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * Neither the name of the copyright holder nor the names of its 20 * contributors may be used to endorse or promote products derived from 21 * this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 \**************************************************************************/ 35 36 #include <Inventor/nodes/SoSubNode.h> 37 #include <Inventor/elements/SoMultiTextureCoordinateElement.h> 38 #include <Inventor/SbMatrix.h> 39 #include <Inventor/SbVec2s.h> 40 #include <Inventor/SbBox3f.h> 41 42 class SoPrimitiveVertex; 43 class SoDetail; 44 class SoPickedPoint; 45 class SoFaceDetail; 46 class SoState; 47 class SoCoordinateElement; 48 class SbVec2f; 49 class SoMaterialBundle; 50 class SoBoundingBoxCache; 51 52 class COIN_DLL_API SoShape : public SoNode { 53 typedef SoNode inherited; 54 55 SO_NODE_ABSTRACT_HEADER(SoShape); 56 57 public: 58 static void initClass(void); 59 60 enum TriangleShape { 61 TRIANGLE_STRIP, TRIANGLE_FAN, TRIANGLES, POLYGON, 62 // The rest of the enums are not part of the original Inventor API. 63 QUADS, QUAD_STRIP, POINTS, LINES, LINE_STRIP 64 }; 65 66 virtual SbBool affectsState(void) const; 67 virtual void notify(SoNotList * nl); 68 69 virtual void getBoundingBox(SoGetBoundingBoxAction * action); 70 virtual void GLRender(SoGLRenderAction * action); 71 virtual void rayPick(SoRayPickAction * action); 72 virtual void callback(SoCallbackAction * action); 73 virtual void computeBBox(SoAction * action, SbBox3f & box, 74 SbVec3f & center) = 0; 75 virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action); 76 77 static void getScreenSize(SoState * const state, const SbBox3f & boundingbox, 78 SbVec2s & rectsize); 79 static float getDecimatedComplexity(SoState * state, float complexity); 80 const SoBoundingBoxCache * getBoundingBoxCache(void) const; 81 82 protected: 83 SoShape(void); 84 virtual ~SoShape(); 85 86 float getComplexityValue(SoAction * action); 87 virtual void generatePrimitives(SoAction * action) = 0; 88 virtual SbBool shouldGLRender(SoGLRenderAction * action); 89 void beginSolidShape(SoGLRenderAction * action); 90 void endSolidShape(SoGLRenderAction * action); 91 void GLRenderBoundingBox(SoGLRenderAction * action); 92 SbBool shouldPrimitiveCount(SoGetPrimitiveCountAction * action); 93 94 SbBool shouldRayPick(SoRayPickAction * const action); 95 void computeObjectSpaceRay(SoRayPickAction * const action); 96 void computeObjectSpaceRay(SoRayPickAction * const action, 97 const SbMatrix & matrix); 98 virtual SoDetail * createTriangleDetail(SoRayPickAction * action, 99 const SoPrimitiveVertex * v1, 100 const SoPrimitiveVertex * v2, 101 const SoPrimitiveVertex * v3, 102 SoPickedPoint * pp); 103 virtual SoDetail * createLineSegmentDetail(SoRayPickAction * action, 104 const SoPrimitiveVertex * v1, 105 const SoPrimitiveVertex * v2, 106 SoPickedPoint * pp); 107 virtual SoDetail * createPointDetail(SoRayPickAction * action, 108 const SoPrimitiveVertex * v, 109 SoPickedPoint * pp); 110 111 void invokeTriangleCallbacks(SoAction * const action, 112 const SoPrimitiveVertex * const v1, 113 const SoPrimitiveVertex * const v2, 114 const SoPrimitiveVertex * const v3); 115 void invokeLineSegmentCallbacks(SoAction * const action, 116 const SoPrimitiveVertex * const v1, 117 const SoPrimitiveVertex * const v2); 118 void invokePointCallbacks(SoAction * const action, 119 const SoPrimitiveVertex * const v); 120 void beginShape(SoAction * const action, const TriangleShape shapetype, 121 SoDetail * const detail = NULL); 122 void shapeVertex(const SoPrimitiveVertex * const v); 123 void endShape(void); 124 125 void generateVertex(SoPrimitiveVertex * const pv, 126 const SbVec3f & point, 127 const SbBool useTexFunc, 128 const SoMultiTextureCoordinateElement * const tce, 129 const float s, 130 const float t, 131 const SbVec3f & normal); 132 void generateVertex(SoPrimitiveVertex * const pv, 133 const SbVec3f & point, 134 const SbBool useTexFunc, 135 const SoMultiTextureCoordinateElement * const tce, 136 const float s, 137 const float t, 138 const float r, 139 const SbVec3f & normal); 140 141 SbBool startVertexArray(SoGLRenderAction * action, 142 const SoCoordinateElement * coords, 143 const SbVec3f * pervertexnormals, 144 const SbBool texpervertex, 145 const SbBool colorpervertex); 146 147 void finishVertexArray(SoGLRenderAction * action, 148 const SbBool vbo, 149 const SbBool normpervertex, 150 const SbBool texpervertex, 151 const SbBool colorpervertex); 152 private: 153 class SoShapeP * pimpl; 154 void validatePVCache(SoGLRenderAction * action); 155 void getBBox(SoAction * action, SbBox3f & box, SbVec3f & center); 156 void rayPickBoundingBox(SoRayPickAction * action); 157 friend class soshape_primdata; // internal class 158 friend class so_generate_prim_private; // a very private class 159 }; 160 161 #endif // !COIN_SOSHAPE_H 162