diff options
Diffstat (limited to 'source/blender/freestyle/intern/rendering/GLSelectRenderer.cpp')
| -rwxr-xr-x | source/blender/freestyle/intern/rendering/GLSelectRenderer.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/rendering/GLSelectRenderer.cpp b/source/blender/freestyle/intern/rendering/GLSelectRenderer.cpp new file mode 100755 index 00000000000..b4a2406c644 --- /dev/null +++ b/source/blender/freestyle/intern/rendering/GLSelectRenderer.cpp @@ -0,0 +1,159 @@ + +// +// Copyright (C) : Please refer to the COPYRIGHT file distributed +// with this source distribution. +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "../scene_graph/IndexedFaceSet.h" +#include "../scene_graph/NodeShape.h" +#include "GLSelectRenderer.h" + +static const float INACTIVE_COLOR_MIN = 0.2; +static const float INACTIVE_COLOR_MAX = 0.8; +static const float INACTIVE_COLOR_OFFSET = 0.2; + +static const float ACTIVE_COLOR[4] = {0.8, + 0.2, + 0.2, + 1}; + +static float selection_color[4] = {INACTIVE_COLOR_MIN, + INACTIVE_COLOR_MIN, + INACTIVE_COLOR_MIN, + 1}; + + +void GLSelectRenderer::resetColor() { + for (unsigned i = 0; i < 3; ++i) + selection_color[i] = INACTIVE_COLOR_MIN; +} + +void GLSelectRenderer::visitNodeShape(NodeShape& sn) { + if (_gl_select_rendering) + return; + for (unsigned i = 0; i < 3; ++i) { + selection_color[i] += INACTIVE_COLOR_OFFSET; + if (selection_color[i] > INACTIVE_COLOR_MAX) + selection_color[i] = INACTIVE_COLOR_MIN; + } + if (sn.shapes()[0]->getId() == _selected_shape) { + _current_shape_active = true; + return; + } + _current_shape_active = false; +} + +void GLSelectRenderer::visitMaterial(Material& m) { + if (_gl_select_rendering) + return; + + const float* amb = m.ambient(); + const float* spec = m.specular(); + const float* em = m.emission(); + + if (_current_shape_active) { + RenderColor(ACTIVE_COLOR); + glMaterialfv(GL_FRONT, GL_DIFFUSE, ACTIVE_COLOR); + } else { + RenderColor(selection_color); + glMaterialfv(GL_FRONT, GL_DIFFUSE, selection_color); + } + glMaterialfv(GL_FRONT, GL_AMBIENT, amb); + glMaterialfv(GL_FRONT, GL_SPECULAR, spec); + glMaterialfv(GL_FRONT, GL_EMISSION, em); + glMaterialf(GL_FRONT, GL_SHININESS, m.shininess()); +} + +void GLSelectRenderer::visitMaterial(const Material& m) { + if (_gl_select_rendering) + return; + + const float* amb = m.ambient(); + const float* spec = m.specular(); + const float* em = m.emission(); + + if (_current_shape_active) { + RenderColor(ACTIVE_COLOR); + glMaterialfv(GL_FRONT, GL_DIFFUSE, ACTIVE_COLOR); + } else { + RenderColor(selection_color); + glMaterialfv(GL_FRONT, GL_DIFFUSE, selection_color); + } + glMaterialfv(GL_FRONT, GL_AMBIENT, amb); + glMaterialfv(GL_FRONT, GL_SPECULAR, spec); + glMaterialfv(GL_FRONT, GL_EMISSION, em); + glMaterialf(GL_FRONT, GL_SHININESS, m.shininess()); +} + +void GLSelectRenderer::visitIndexedFaceSet(IndexedFaceSet& ifs) +{ + unsigned int fIndex = 0; + + const real * vertices = ifs.vertices(); + const real * normals = ifs.normals(); + const Material *const* materials = ifs.materials(); + const real * texCoords= ifs.texCoords(); + const unsigned *vindices = ifs.vindices(); + const unsigned *nindices = ifs.nindices(); + const unsigned *mindices = ifs.mindices(); + const unsigned *tindices = ifs.tindices(); + const unsigned numfaces = ifs.numFaces(); + const IndexedFaceSet::TRIANGLES_STYLE * faceStyle = ifs.trianglesStyle(); + const unsigned *numVertexPerFace = ifs.numVertexPerFaces(); + + + const unsigned* pvi = vindices; + const unsigned* pni = nindices; + const unsigned* pmi = mindices; + const unsigned* pti = tindices; + + for(fIndex=0; fIndex<numfaces; fIndex++) + { + switch(faceStyle[fIndex]) + { + case IndexedFaceSet::TRIANGLE_STRIP: + RenderTriangleStrip(vertices, normals, materials, texCoords, pvi, pni, pmi, pti, numVertexPerFace[fIndex]); + break; + case IndexedFaceSet::TRIANGLE_FAN: + RenderTriangleFan(vertices, normals, materials, texCoords, pvi, pni, pmi, pti, numVertexPerFace[fIndex]); + break; + case IndexedFaceSet::TRIANGLES: + RenderTriangles(vertices, normals, materials, texCoords, pvi, pni, pmi, pti, numVertexPerFace[fIndex]); + break; + } + pvi += numVertexPerFace[fIndex]; + pni += numVertexPerFace[fIndex]; + pmi += numVertexPerFace[fIndex]; + if(pti) + pti += numVertexPerFace[fIndex]; + } +} + +void GLSelectRenderer::visitNodeShapeBefore(NodeShape& sn) { + if (!_gl_select_rendering) + return; + + glPushName(sn.shapes()[0]->getId().getFirst()); +} + +void GLSelectRenderer::visitNodeShapeAfter(NodeShape& sn) { + if (!_gl_select_rendering) + return; + + glPopName(); +} |