openscad/src/render-opencsg.cc.org

#include "render-opencsg.h" #include "polyset.h" #include "csgterm.h" #ifdef ENABLE_OPENCSG

#endif

class OpenCSGPrim : public OpenCSG::Primitive { public: OpenCSGPrim(OpenCSG::Operation operation, unsigned int convexity) : OpenCSG::Primitive(operation, convexity) { } PolySet *p; double *m; int csgmode; virtual void render() { glPushMatrix(); glMultMatrixd(m); p->render_surface(PolySet::COLORMODE_NONE, PolySet::csgmode_e(csgmode), m); glPopMatrix(); } };

void renderCSGChainviaOpenCSG(CSGChain *chain, GLint *shaderinfo, bool highlight, bool background) { std::vector<OpenCSG::Primitive*> primitives; int j = 0; for (int i = 0;; i++) { bool last = i == chain->polysets.size();

if (last || chain->types[i] == CSGTerm::TYPE_UNION) { if (j+1 != i) { OpenCSG::render(primitives); glDepthFunc(GL_EQUAL); } if (shaderinfo) glUseProgram(shaderinfo[0]); for (; j < i; j++) { double *m = chain->matrices[j]; glPushMatrix(); glMultMatrixd(m); int csgmode = chain->types[j] == CSGTerm::TYPE_DIFFERENCE ? PolySet::CSGMODE_DIFFERENCE : PolySet::CSGMODE_NORMAL; if (highlight) { chain->polysets[j]->render_surface(PolySet::COLORMODE_HIGHLIGHT, PolySet::csgmode_e(csgmode + 20), m, shaderinfo); } else if (background) { chain->polysets[j]->render_surface(PolySet::COLORMODE_BACKGROUND, PolySet::csgmode_e(csgmode + 10), m, shaderinfo); } else if (m[16] >= 0 || m[17] >= 0 || m[18] >= 0 || m[19] >= 0) { // User-defined color from source glColor4d(m[16], m[17], m[18], m[19]); if (shaderinfo) { glUniform4f(shaderinfo[1], m[16], m[17], m[18], m[19]); glUniform4f(shaderinfo[2], (m[16]+1)/2, (m[17]+1)/2, (m[18]+1)/2, 1.0); } chain->polysets[j]->render_surface(PolySet::COLORMODE_NONE, PolySet::csgmode_e(csgmode), m, shaderinfo); } else if (chain->types[j] == CSGTerm::TYPE_DIFFERENCE) { chain->polysets[j]->render_surface(PolySet::COLORMODE_CUTOUT, PolySet::csgmode_e(csgmode), m, shaderinfo); } else { chain->polysets[j]->render_surface(PolySet::COLORMODE_MATERIAL, PolySet::csgmode_e(csgmode), m, shaderinfo); } glPopMatrix(); } if (shaderinfo) glUseProgram(0); for (unsigned int k = 0; k < primitives.size(); k++) { delete primitives[k]; } glDepthFunc(GL_LEQUAL); primitives.clear(); }

if (last) break;

OpenCSGPrim *prim = new OpenCSGPrim(chain->types[i] == CSGTerm::TYPE_DIFFERENCE ? OpenCSG::Subtraction : OpenCSG::Intersection, chain->polysets[i]->convexity); prim->p = chain->polysets[i]; prim->m = chain->matrices[i]; prim->csgmode = chain->types[i] == CSGTerm::TYPE_DIFFERENCE ? PolySet::CSGMODE_DIFFERENCE : PolySet::CSGMODE_NORMAL; if (highlight) prim->csgmode += 20; else if (background) prim->csgmode += 10; primitives.push_back(prim); } }