string Element_ToBytes(Element &e)
{
int data_len;
string encoded= "";
if(e.type == Str_t) {
return string(e.strPtr);
}
else if(e.type == ZR_t) {
data_len = compute_length(e.type);
uint8_t data[data_len+1];
memset(data, 0, data_len);
bn_write_bin(data, data_len, e.zr.z);
string t((char *) data, data_len);
encoded = _base64_encode(reinterpret_cast<const unsigned char*>(t.c_str()), t.size());
memset(data, 0, data_len);
}
else if(e.type == G1_t) {
data_len = compute_length(e.type);
uint8_t data[data_len+1];
memset(data, 0, data_len);
g1_write_bin(e.g1.g, data, data_len);
string t((char *) data, data_len);
encoded = _base64_encode(reinterpret_cast<const unsigned char*>(t.c_str()), t.size());
memset(data, 0, data_len);
}
else if(e.type == G2_t) {
data_len = compute_length(e.type);
uint8_t data[data_len+1];
memset(data, 0, data_len);
g2_write_bin(e.g2.g, data, data_len);
string t((char *) data, data_len);
encoded = _base64_encode(reinterpret_cast<const unsigned char*>(t.c_str()), t.size());
memset(data, 0, data_len);
}
else if(e.type == GT_t) {
data_len = compute_length(e.type);
uint8_t data[data_len+1];
memset(data, 0, data_len);
gt_write_bin(e.gt.g, data, data_len); // x1-6 && y1-6
string t((char *) data, data_len);
encoded = _base64_encode(reinterpret_cast<const unsigned char*>(t.c_str()), t.size());
memset(data, 0, data_len);
}
return encoded;
}
void build_constraints(Mesh* mesh_ptr) {
mesh_ptr->numConstraints = (CLOTH_WIDTH * CLOTH_HEIGHT * 2) - CLOTH_WIDTH - CLOTH_HEIGHT;
mesh_ptr->constraintsBufferSize = mesh_ptr->numConstraints * 4;
NSLog(@"rezerwacja pamieci dla bufora (rezerwaca 4 razy wiekszy niz potrzeba) mesh_ptr->constraints (ilosc: %d)", mesh_ptr->constraintsBufferSize);
mesh_ptr->constraints = (Constraint*)alloc_mem(1, sizeof(Constraint) * mesh_ptr->constraintsBufferSize);
int i = 0;
for (int y=0; y<CLOTH_HEIGHT; y++) {
for (int x=0; x<CLOTH_WIDTH; x++) {
if ((x+1) < CLOTH_WIDTH) {
mesh_ptr->constraints[i].x1 = x;
mesh_ptr->constraints[i].y1 = y;
mesh_ptr->constraints[i].x2 = x+1;
mesh_ptr->constraints[i].y2 = y;
mesh_ptr->constraints[i].index0 = x + (y * CLOTH_WIDTH);
mesh_ptr->constraints[i].index1 = x + 1 + (y * CLOTH_WIDTH);
mesh_ptr->constraints[i].v0 = &mesh_ptr->vertices[x + (y * CLOTH_WIDTH)];
mesh_ptr->constraints[i].v1 = &mesh_ptr->vertices[x + 1 + (y * CLOTH_WIDTH)];
mesh_ptr->constraints[i].length = compute_length(mesh_ptr->constraints[i].v0->current,
mesh_ptr->constraints[i].v1->current);
mesh_ptr->constraints[i].inv_length = 1/mesh_ptr->constraints[i].length;
i++;
}
if ((y+1) < CLOTH_HEIGHT) {
mesh_ptr->constraints[i].x1 = x;
mesh_ptr->constraints[i].y1 = y;
mesh_ptr->constraints[i].x2 = x;
mesh_ptr->constraints[i].y2 = y+1;
mesh_ptr->constraints[i].index0 = x + (y * CLOTH_WIDTH);
mesh_ptr->constraints[i].index1 = x + CLOTH_WIDTH + (y * CLOTH_WIDTH);
mesh_ptr->constraints[i].v0 = &mesh_ptr->vertices[x + (y * CLOTH_WIDTH)];
mesh_ptr->constraints[i].v1 = &mesh_ptr->vertices[x + CLOTH_WIDTH + (y * CLOTH_WIDTH)];
mesh_ptr->constraints[i].length = compute_length(mesh_ptr->constraints[i].v0->current,
mesh_ptr->constraints[i].v1->current);
mesh_ptr->constraints[i].inv_length = 1/mesh_ptr->constraints[i].length;
i++;
}
if (i > mesh_ptr->numConstraints) {
NSLog(@"!!!! brakuje miejsca dla constraintow, petla: %d, (%d, %d)", mesh_ptr->numConstraints, i, x, y);
break;
}
mesh_ptr->constraints[i].ignore = true;
}
if (i > mesh_ptr->numConstraints) break;
}
if (i != mesh_ptr->numConstraints) {
NSLog(@"constraintow: %d, petla: %d", mesh_ptr->numConstraints, i);
}
return;
}
