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"
|
||
|
|
#include "polyset.h"
|
||
|
|
#include "csgterm.h"
|
||
|
|
#ifdef ENABLE_OPENCSG
|
||
|
|
# include <opencsg.h>
|
||
|
|
#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);
|
||
|
|
}
|
||
|
|
}
|