static int ks_getuntil1(kstream_t *ks, int delimiter, kstring_t *str, int *dret, int iter, int tid, int thrds, bool *first)
{
if (dret) *dret = 0;
str->l = 0;
if (ks->begin >= ks->end && ks->is_eof) return -1;
for (;;) {
int i;
if (ks->begin >= ks->end) {
if (*first) {
gzseek(ks->f, ((iter*thrds)+tid)*READ_SIZE, SEEK_SET);
*first = false;
ks->atend = false;
ks->begin = 0;
ks->end = gzread(ks->f, ks->buf, READ_SIZE);
move_to_start(ks, iter, tid, thrds);
if (ks->end < READ_SIZE) ks->is_eof = 1;
if (ks->end == 0) return -1;
}
else if (!ks->is_eof) {
ks->begin = 0;
ks->atend = true;
ks->end = gzread(ks->f, ks->buf, READ_IND_SIZE);
if (ks->end < READ_IND_SIZE) ks->is_eof = 1;
if (ks->end == 0) break;
} else break;
}
if (delimiter) {
for (i = ks->begin; i < ks->end; ++i)
if (ks->buf[i] == delimiter) break;
} else {
for (i = ks->begin; i < ks->end; ++i)
if (isspace(ks->buf[i])) break;
}
if (str->m - str->l < i - ks->begin + 1) {
str->m = str->l + (i - ks->begin) + 1;
kroundup32(str->m);
str->s = (char*)realloc(str->s, str->m);
}
memcpy(str->s + str->l, ks->buf + ks->begin, i - ks->begin);
str->l = str->l + (i - ks->begin);
ks->begin = i + 1;
if (i < ks->end) {
if (dret) *dret = ks->buf[i];
break;
}
}
str->s[str->l] = '\0';
return str->l;
}
static int ks_getc1(kstream_t *ks, int iter, int tid, int thrds, bool *first)
{
if (ks->is_eof && ks->begin >= ks->end) return -1;
if (*first) {
gzseek(ks->f, ((iter*thrds)+tid)*READ_SIZE, SEEK_SET);
*first = false;
ks->begin = 0;
ks->atend = false;
ks->end = gzread(ks->f, ks->buf, READ_SIZE);
move_to_start(ks, iter, tid, thrds);
if (ks->end < READ_SIZE) ks->is_eof = 1;
if (ks->end == 0) return -1;
}
else if (ks->begin >= ks->end) {
ks->begin = 0;
ks->atend = true;
ks->end = gzread(ks->f, ks->buf, READ_IND_SIZE);
if (ks->end < READ_IND_SIZE) ks->is_eof = 1;
if (ks->end == 0) return -1;
}
return (int)ks->buf[ks->begin++];
}
SubMesh* Mesh::new_submesh_as_box(const std::string& name, MaterialID material, float width, float height, float depth, const Vec3& offset) {
VertexSpecification spec;
spec.position_attribute = VERTEX_ATTRIBUTE_3F;
spec.normal_attribute = VERTEX_ATTRIBUTE_3F;
spec.texcoord0_attribute = VERTEX_ATTRIBUTE_2F;
spec.texcoord1_attribute = VERTEX_ATTRIBUTE_2F;
spec.diffuse_attribute = VERTEX_ATTRIBUTE_4F;
SubMesh* sm = new_submesh_with_material(
name,
material,
MESH_ARRANGEMENT_TRIANGLES,
VERTEX_SHARING_MODE_INDEPENDENT,
spec
);
auto vd = sm->vertex_data.get();
auto id = sm->index_data.get();
float x_offset = offset.x;
float y_offset = offset.y;
float z_offset = offset.z;
float rx = width * 0.5f;
float ry = height * 0.5f;
float rz = depth * 0.5f;
//front and back
for(int32_t z: { -1, 1 }) {
uint32_t count = vd->count();
vd->position(-1 * rx, -1 * ry, z * rz);
vd->tex_coord0(0, 0);
vd->tex_coord1(0, 0);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, 0, z);
vd->move_next();
vd->position( 1 * rx, -1 * ry, z * rz);
vd->tex_coord0(1, 0);
vd->tex_coord1(1, 0);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, 0, z);
vd->move_next();
vd->position( 1 * rx, 1 * ry, z * rz);
vd->tex_coord0(1, 1);
vd->tex_coord1(1, 1);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, 0, z);
vd->move_next();
vd->position(-1 * rx, 1 * ry, z * rz);
vd->tex_coord0(0, 1);
vd->tex_coord1(0, 1);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, 0, z);
vd->move_next();
if(z > 0) {
id->index(count);
id->index(count + 1);
id->index(count + 2);
id->index(count);
id->index(count + 2);
id->index(count + 3);
} else {
id->index(count);
id->index(count + 2);
id->index(count + 1);
id->index(count);
id->index(count + 3);
id->index(count + 2);
}
}
//left and right
for(int32_t x: { -1, 1 }) {
uint32_t count = vd->count();
vd->position( x * rx, -1 * ry, -1 * rz);
vd->tex_coord0(0, 0);
vd->tex_coord1(0, 0);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(x, 0, 0);
vd->move_next();
vd->position( x * rx, 1 * ry, -1 * rz);
vd->tex_coord0(1, 0);
vd->tex_coord1(1, 0);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(x, 0, 0);
vd->move_next();
vd->position( x * rx, 1 * ry, 1 * rz);
vd->tex_coord0(1, 1);
vd->tex_coord1(1, 1);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(x, 0, 0);
vd->move_next();
vd->position(x * rx, -1 * ry, 1 * rz);
vd->tex_coord0(0, 1);
vd->tex_coord1(0, 1);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(x, 0, 0);
vd->move_next();
if(x > 0) {
id->index(count);
id->index(count + 1);
id->index(count + 2);
id->index(count);
id->index(count + 2);
id->index(count + 3);
} else {
id->index(count);
id->index(count + 2);
id->index(count + 1);
id->index(count);
id->index(count + 3);
id->index(count + 2);
}
}
//top and bottom
for(int32_t y: { -1, 1 }) {
uint32_t count = vd->count();
vd->position( 1 * rx, y * ry, -1 * rz);
vd->tex_coord0(0, 0);
vd->tex_coord1(0, 0);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, y, 0);
vd->move_next();
vd->position( -1 * rx, y * ry, -1 * rz);
vd->tex_coord0(1, 0);
vd->tex_coord1(1, 0);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, y, 0);
vd->move_next();
vd->position( -1 * rx, y * ry, 1 * rz);
vd->tex_coord0(1, 1);
vd->tex_coord1(1, 1);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, y, 0);
vd->move_next();
vd->position( 1 * rx, y * ry, 1 * rz);
vd->tex_coord0(0, 1);
vd->tex_coord1(0, 1);
vd->diffuse(smlt::Colour::WHITE);
vd->normal(0, y, 0);
vd->move_next();
if(y > 0) {
id->index(count);
id->index(count + 1);
id->index(count + 2);
id->index(count);
id->index(count + 2);
id->index(count + 3);
} else {
id->index(count);
id->index(count + 2);
id->index(count + 1);
id->index(count);
id->index(count + 3);
id->index(count + 2);
}
}
// Apply offset
vd->move_to_start();
for(uint16_t i = 0; i < vd->count(); ++i) {
Vec3 pos = vd->position_at<Vec3>(i);
vd->position(pos + smlt::Vec3(x_offset, y_offset, z_offset));
vd->move_next();
}
vd->done();
id->done();
return sm;
}