// given the front surface coordinates(4) in counter clockwise direction
// draw the solid box that goes around the box with that
// surface, and a depth of 0.25 deep
// The optional field requests that the ends also be covered
static void draw_outsides(float c[8][3], VMDDisplayList *disp, int draw_ends=TRUE) {
float zoffset[3] = { 0, 0, 0.25}; // make the other 4 coords
for (int i=0; i<4; i++)
vec_sub(c[i+4], c[i], zoffset);
DispCmdTriangle tri;
// draw the front parallegram
tri.putdata(c[0], c[1], c[2], disp);
tri.putdata(c[2], c[3], c[0], disp);
// draw the rear parallegram
tri.putdata(c[5], c[4], c[6], disp);
tri.putdata(c[6], c[4], c[7], disp);
// draw the left face
tri.putdata(c[0], c[3], c[7], disp);
tri.putdata(c[7], c[4], c[0], disp);
// draw the right face
tri.putdata(c[1], c[5], c[6], disp);
tri.putdata(c[6], c[2], c[1], disp);
if (!draw_ends)
return;
// draw the top face
tri.putdata(c[0], c[5], c[4], disp);
tri.putdata(c[5], c[0], c[1], disp);
// draw the bottom face
tri.putdata(c[2], c[7], c[3], disp);
tri.putdata(c[7], c[2], c[6], disp);
}
void MoleculeGraphics::create_cmdlist(void) {
reset_disp_list();
// set the default values
DispCmdTriangle triangle;
DispCmdCylinder cylinder;
DispCmdPoint point;
DispCmdLine line;
DispCmdCone cone;
DispCmdColorIndex color;
DispCmdLineType linetype;
DispCmdLineWidth linewidth;
DispCmdSphere sphere;
DispCmdSphereRes sph_res;
//DispCmdComment comment;
DispCmdPickPoint cmdPickPoint;
append(DMATERIALON);
color.putdata(0, cmdList); // use the first color by default (blue)
int last_res = -1; // default sphere resolution
int last_line = ::SOLIDLINE; // default for lines
linetype.putdata(last_line, cmdList); // solid and
int last_width = 1;
linewidth.putdata(last_width, cmdList); // of width 1
// go down the list and draw things
int num = num_elements();
ShapeClass *shape;
for (int i=0; i<num; i++) {
shape = &(shapes[i]);
switch (shape->shape) {
case NONE: {
break;
}
case POINT: {
append(DMATERIALOFF);
point.putdata(shape->data+0, cmdList);
append(DMATERIALON);
break;
}
case PICKPOINT:
cmdPickPoint.putdata(shape->data, (int)shape->data[3], cmdList);
break;
case LINE: {
append(DMATERIALOFF);
int style = int(shape->data[6]);
int width = int(shape->data[7]);
if (style != last_line) {
linetype.putdata(style, cmdList);
last_line = style;
}
if (width != last_width) {
linewidth.putdata(width, cmdList);
last_width = width;
}
line.putdata(shape->data+0, shape->data+3, cmdList);
append(DMATERIALON);
break;
}
case TRIANGLE: {
triangle.putdata(shape->data+0, shape->data+3, shape->data+6, cmdList);
break;
}
case TRINORM: {
triangle.putdata(shape->data+0, shape->data+3 , shape->data+6,
shape->data+9, shape->data+12, shape->data+15, cmdList);
break;
}
case TRICOLOR:
{
// compute rgb colors from indices
float colors[9];
for (int i=0; i<3; i++) {
int c = (int)shape->data[18+i];
c = clamp_int(c, 0, MAXCOLORS-1);
vec_copy(colors+3*i, scene->color_value(c));
}
const float *verts = shape->data+0;
const float *norms = shape->data+9;
int facets[3] = { 0,1,2 };
DispCmdTriMesh::putdata(verts, norms, colors, 3, facets, 1, 0, cmdList);
}
break;
case CYLINDER: {
cylinder.putdata(shape->data+0, shape->data+3, shape->data[6],
int(shape->data[7]),
(int (shape->data[8])) ?
CYLINDER_TRAILINGCAP | CYLINDER_LEADINGCAP : 0,
cmdList);
break;
}
case CONE: {
cone.putdata(shape->data+0, shape->data+3, shape->data[6],
shape->data[8], int(shape->data[7]), cmdList);
break;
}
case TEXT: {
append(DMATERIALOFF);
DispCmdText text;
DispCmdTextSize textSize;
textSize.putdata(shape->data[3], cmdList);
text.putdata(shape->data, shapetext[(int)shape->data[5]], shape->data[4], cmdList);
append(DMATERIALON);
break;
}
#if 0
// these aren't supported yet
case DBEGINREPGEOMGROUP: {
char *s = (char *) (shape);
beginrepgeomgroup.putdata(s,cmdList);
break;
}
case DCOMMENT: {
char *s = (char *) (shape);
comment.putdata(s,cmdList);
break;
}
#endif
case SPHERE: {
int res = int (shape->data[4]);
if (res != last_res) {
sph_res.putdata(res, cmdList);
last_res = res;
}
sphere.putdata(shape->data+0, shape->data[3], cmdList);
break;
}
case MATERIALS: {
if (shape->data[0] == 0) append(DMATERIALOFF);
else append(DMATERIALON);
break;
}
case MATERIAL: {
const float *data = shape->data;
cmdList->ambient = data[0];
cmdList->specular = data[1];
cmdList->diffuse = data[2];
cmdList->shininess = data[3];
cmdList->mirror = data[4];
cmdList->opacity = data[5];
cmdList->outline = data[6];
cmdList->outlinewidth = data[7];
cmdList->transmode = data[8];
cmdList->materialtag = (int)data[9];
break;
}
case COLOR: {
color.putdata(int(shape->data[0]), cmdList);
break;
}
default:
msgErr << "Sorry, can't draw that" << sendmsg;
}
}
needRegenerate = 0;
}
