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#include "cad.h"
static const char *component_type_name[] = {
[COM_POINT] = "point",
[COM_LINE] = "line",
};
static void print_subassemblies(struct constraints *c, struct subassembly *assemblies, size_t assemblies_num) {
fprintf(stderr, "=== Subassemblies: %zu ===\n", assemblies_num);
for(size_t i = 0; i < assemblies_num; i++) {
struct subassembly *a = &assemblies[i];
fprintf(stderr, "Assembly %zu: %zu steps, fix=%zu, fixed=%s\n",
i, a->steps_num, a->fix, a->fixed ? "yes" : "no");
if(a->articulation_num > 0) {
fprintf(stderr, " Articulations (%zu):\n", a->articulation_num);
for(size_t j = 0; j < a->articulation_num; j++) {
struct component *comp = a->articulation[j];
fprintf(stderr, " [%zu] %s %p\n", j, component_type_name[comp->type], (void*)comp);
}
}
fprintf(stderr, " Constraints used:\n");
for(size_t j = 0; j < c->length; j++) {
struct constraint *ct = &c->elements[j];
if(ct->used != i + 1) continue;
fprintf(stderr, " [%zu] %s v=%.2f (%s %p, %s %p)\n",
j, constraint_type_name[ct->type], ct->v,
component_type_name[ct->c1->type], (void*)ct->c1,
component_type_name[ct->c2->type], (void*)ct->c2);
}
}
fprintf(stderr, " Unused constraints:\n");
for(size_t j = 0; j < c->length; j++) {
struct constraint *ct = &c->elements[j];
if(ct->used != 0) continue;
fprintf(stderr, " [%zu] %s v=%.2f (%s %p, %s %p)\n",
j, constraint_type_name[ct->type], ct->v,
component_type_name[ct->c1->type], (void*)ct->c1,
component_type_name[ct->c2->type], (void*)ct->c2);
}
fprintf(stderr, "=========================\n");
}
void draw_from_constraints(struct constraints *c, struct topology *t, struct canvas *cv) {
struct drawing drawing = {};
struct subassembly assemblies[16] = {};
size_t assemblies_num;
bool rc = solve_constraints(c, &drawing, assemblies, &assemblies_num);
assert(rc);
// Copy over all the parameter values to a new array
// @PERF: Maybe we should just store them in a separate array to start with
double *params = malloc(sizeof(double) * (c->length));
for(size_t i = 0; i < c->length; i++) {
params[i] = c->elements[i].v;
}
place_points(&drawing, params);
free(params);
reconstruct_drawing(c, assemblies, &assemblies_num);
print_subassemblies(c, assemblies, assemblies_num);
begin_drawing(cv);
draw_topology(cv, t);
draw_constraints(cv, c);
end_drawing(cv);
free_drawing(&drawing);
}
int main(int argc, char *argv[]) {
struct constraints constraints = {0};
struct topology topo = {};
struct component mid_bot = {.type = COM_POINT};
struct component right_corner = {.type = COM_POINT};
struct component below_right_hole_corner = {.type = COM_POINT};
struct component right_hole_bot = {.type = COM_POINT};
struct component right_hole_mid = {.type = COM_POINT};
struct component right_hole_top = {.type = COM_POINT};
struct component swoop_top = {.type = COM_POINT};
struct component swoop_mid = {.type = COM_POINT};
struct component left_hole_top = {.type = COM_POINT};
struct component left_hole_mid = {.type = COM_POINT};
struct component left_hole_bot = {.type = COM_POINT};
struct component below_left_hole_corner = {.type = COM_POINT};
struct component left_corner = {.type = COM_POINT};
struct component symmetry = {.type = COM_LINE};
struct component bottom = {.type = COM_LINE};
struct component right_edge = {.type = COM_LINE};
struct component right_bottom_hole_tan = {.type = COM_LINE};
struct component left_edge = {.type = COM_LINE};
struct component up_tan_axis = {.type = COM_LINE};
struct component right_inner_hole_bisect = {.type = COM_LINE};
struct component right_inner_hole_top = {.type = COM_POINT};
struct component right_inner_hole_bot = {.type = COM_POINT};
struct component left_inner_hole_bisect = {.type = COM_LINE};
struct component left_inner_hole_top = {.type = COM_POINT};
struct component left_inner_hole_bot = {.type = COM_POINT};
struct component right_hole_line = {.type = COM_LINE};
add_constraint(&constraints, (struct constraint[]){
PP_DISTANCE(&mid_bot, &right_corner, 35),
POINT_ON_LINE(&mid_bot, &bottom),
POINT_ON_LINE(&right_corner, &bottom),
LL_ANGLE(&bottom, &symmetry, DEG(90)),
POINT_ON_LINE(&mid_bot, &symmetry),
PL_DISTANCE(&right_hole_mid, &bottom, 80),
PL_DISTANCE(&right_hole_mid, &symmetry, -60),
LL_ANGLE(&bottom, &right_edge, DEG(90)),
// LL_ANGLE(&bottom, &left_edge, DEG(-90)),
POINT_ON_LINE(&right_corner, &right_edge),
//POINT_ON_LINE(&left_corner, &left_edge),
LL_ANGLE(&symmetry, &right_bottom_hole_tan, DEG(-90)),
PL_DISTANCE(&right_hole_mid, &right_bottom_hole_tan, -28),
POINT_ON_LINE(&below_right_hole_corner, &right_edge),
POINT_ON_LINE(&below_right_hole_corner, &right_bottom_hole_tan),
POINT_ON_LINE(&right_hole_bot, &right_bottom_hole_tan),
PP_DISTANCE(&right_hole_mid, &right_hole_bot, 28),
POINT_ON_LINE(&swoop_mid, &symmetry),
PP_DISTANCE(&swoop_mid, &right_hole_top, 120),
PP_DISTANCE(&right_hole_mid, &right_hole_top, 28),
POINT_ON_LINE(&right_hole_mid, &right_hole_line),
POINT_ON_LINE(&right_hole_top, &right_hole_line),
POINT_ON_LINE(&swoop_mid, &right_hole_line),
POINT_ON_LINE(&swoop_top, &symmetry),
PP_DISTANCE(&swoop_top, &swoop_mid, 120),
// LL_ANGLE(&right_inner_hole_bisect, &bottom, DEG(90)),
// LL_ANGLE(&left_inner_hole_bisect, &bottom, DEG(-90)),
// POINT_ON_LINE(&right_hole_mid, &right_inner_hole_bisect),
// POINT_ON_LINE(&left_hole_mid, &left_inner_hole_bisect),
// PP_DISTANCE(&right_hole_mid, &right_inner_hole_top, 14),
// PP_DISTANCE(&right_hole_mid, &right_inner_hole_bot, -14),
// PP_DISTANCE(&left_hole_mid, &left_inner_hole_top, 14),
// PP_DISTANCE(&left_hole_mid, &left_inner_hole_bot, -14),
// POINT_ON_LINE(&right_inner_hole_top, &right_inner_hole_bisect),
// POINT_ON_LINE(&right_inner_hole_bot, &right_inner_hole_bisect),
// POINT_ON_LINE(&left_inner_hole_top, &left_inner_hole_bisect),
// POINT_ON_LINE(&left_inner_hole_bot, &left_inner_hole_bisect),
CEND(),
});
add_fragment(&topo, (struct topology_elem[]){
TOPO_MOVETO(&mid_bot),
TOPO_LINETO(&right_corner),
TOPO_LINETO(&below_right_hole_corner),
TOPO_LINETO(&right_hole_bot),
TOPO_ARCTO(&right_hole_mid, &right_hole_top),
TOPO_ARCTO(&swoop_mid, &swoop_top),
TOPO_ARCTO(&swoop_mid, &left_hole_top),
TOPO_ARCTO(&left_hole_mid, &left_hole_bot),
TOPO_LINETO(&below_left_hole_corner),
TOPO_LINETO(&left_corner),
TOPO_LINETO(&mid_bot),
TOPO_MOVETO(&right_inner_hole_bot),
TOPO_ARCTO(&right_hole_mid, &right_inner_hole_top),
TOPO_ARCTO(&right_hole_mid, &right_inner_hole_bot),
TOPO_MOVETO(&left_inner_hole_bot),
TOPO_ARCTO(&left_hole_mid, &left_inner_hole_top),
TOPO_ARCTO(&left_hole_mid, &left_inner_hole_bot),
// TOPO_LINETO(&p2),
// TOPO_LINETO(&p3),
TOPO_END(),
});
struct canvas canvas = {
.state = CANVAS_INIT,
.f = stdout,
};
draw_from_constraints(&constraints, &topo, &canvas);
free_constraints(&constraints);
return 0;
}
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