mirror of https://github.com/vitalif/openscad
88 lines
2.8 KiB
Org Mode
88 lines
2.8 KiB
Org Mode
#include "render-opencsg.h"
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#include "polyset.h"
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#include "csgterm.h"
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#ifdef ENABLE_OPENCSG
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# include <opencsg.h>
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#endif
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class OpenCSGPrim : public OpenCSG::Primitive
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{
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public:
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OpenCSGPrim(OpenCSG::Operation operation, unsigned int convexity) :
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OpenCSG::Primitive(operation, convexity) { }
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PolySet *p;
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double *m;
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int csgmode;
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virtual void render() {
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glPushMatrix();
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glMultMatrixd(m);
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p->render_surface(PolySet::COLORMODE_NONE, PolySet::csgmode_e(csgmode), m);
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glPopMatrix();
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}
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};
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void renderCSGChainviaOpenCSG(CSGChain *chain, GLint *shaderinfo, bool highlight, bool background)
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{
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std::vector<OpenCSG::Primitive*> primitives;
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int j = 0;
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for (int i = 0;; i++)
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{
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bool last = i == chain->polysets.size();
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if (last || chain->types[i] == CSGTerm::TYPE_UNION)
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{
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if (j+1 != i) {
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OpenCSG::render(primitives);
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glDepthFunc(GL_EQUAL);
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}
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if (shaderinfo)
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glUseProgram(shaderinfo[0]);
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for (; j < i; j++) {
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double *m = chain->matrices[j];
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glPushMatrix();
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glMultMatrixd(m);
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int csgmode = chain->types[j] == CSGTerm::TYPE_DIFFERENCE ? PolySet::CSGMODE_DIFFERENCE : PolySet::CSGMODE_NORMAL;
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if (highlight) {
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chain->polysets[j]->render_surface(PolySet::COLORMODE_HIGHLIGHT, PolySet::csgmode_e(csgmode + 20), m, shaderinfo);
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} else if (background) {
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chain->polysets[j]->render_surface(PolySet::COLORMODE_BACKGROUND, PolySet::csgmode_e(csgmode + 10), m, shaderinfo);
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} else if (m[16] >= 0 || m[17] >= 0 || m[18] >= 0 || m[19] >= 0) {
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// User-defined color from source
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glColor4d(m[16], m[17], m[18], m[19]);
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if (shaderinfo) {
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glUniform4f(shaderinfo[1], m[16], m[17], m[18], m[19]);
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glUniform4f(shaderinfo[2], (m[16]+1)/2, (m[17]+1)/2, (m[18]+1)/2, 1.0);
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}
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chain->polysets[j]->render_surface(PolySet::COLORMODE_NONE, PolySet::csgmode_e(csgmode), m, shaderinfo);
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} else if (chain->types[j] == CSGTerm::TYPE_DIFFERENCE) {
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chain->polysets[j]->render_surface(PolySet::COLORMODE_CUTOUT, PolySet::csgmode_e(csgmode), m, shaderinfo);
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} else {
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chain->polysets[j]->render_surface(PolySet::COLORMODE_MATERIAL, PolySet::csgmode_e(csgmode), m, shaderinfo);
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}
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glPopMatrix();
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}
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if (shaderinfo)
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glUseProgram(0);
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for (unsigned int k = 0; k < primitives.size(); k++) {
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delete primitives[k];
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}
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glDepthFunc(GL_LEQUAL);
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primitives.clear();
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}
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if (last)
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break;
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OpenCSGPrim *prim = new OpenCSGPrim(chain->types[i] == CSGTerm::TYPE_DIFFERENCE ?
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OpenCSG::Subtraction : OpenCSG::Intersection, chain->polysets[i]->convexity);
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prim->p = chain->polysets[i];
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prim->m = chain->matrices[i];
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prim->csgmode = chain->types[i] == CSGTerm::TYPE_DIFFERENCE ? PolySet::CSGMODE_DIFFERENCE : PolySet::CSGMODE_NORMAL;
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if (highlight)
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prim->csgmode += 20;
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else if (background)
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prim->csgmode += 10;
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primitives.push_back(prim);
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}
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}
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