uint32_t Array::hash() const {
uint32_t h=hash_djb2_one_32(0);
for (int i=0;i<_p->array.size();i++) {
h = hash_djb2_one_32( _p->array[i].hash(), h);
}
return h;
}
uint32_t Dictionary::hash() const {
uint32_t h = hash_djb2_one_32(Variant::DICTIONARY);
List<Variant> keys;
get_key_list(&keys);
for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
h = hash_djb2_one_32(E->get().hash(), h);
h = hash_djb2_one_32(operator[](E->get()).hash(), h);
}
return h;
}
uint32_t Resource::hash_edited_version() const {
uint32_t hash = hash_djb2_one_32(get_edited_version());
List<PropertyInfo> plist;
get_property_list(&plist);
for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
if (E->get().type == Variant::OBJECT && E->get().hint == PROPERTY_HINT_RESOURCE_TYPE) {
RES res = get(E->get().name);
if (res.is_valid()) {
hash = hash_djb2_one_32(res->hash_edited_version(), hash);
}
}
}
return hash;
}
uint32_t NetworkedMultiplayerENet::_gen_unique_id() const {
uint32_t hash = 0;
while (hash==0 || hash==1) {
hash = hash_djb2_one_32(
(uint32_t)OS::get_singleton()->get_ticks_usec() );
hash = hash_djb2_one_32(
(uint32_t)OS::get_singleton()->get_unix_time(), hash );
hash = hash_djb2_one_32(
(uint32_t)OS::get_singleton()->get_data_dir().hash64(), hash );
//hash = hash_djb2_one_32(
// (uint32_t)OS::get_singleton()->get_unique_ID().hash64(), hash );
hash = hash_djb2_one_32(
(uint32_t)((uint64_t)this), hash ); //rely on aslr heap
hash = hash_djb2_one_32(
(uint32_t)((uint64_t)&hash), hash ); //rely on aslr stack
hash=hash&0x7FFFFFFF; // make it compatible with unsigned, since negatie id is used for exclusion
}
return hash;
}
uint32_t Variant::hash() const {
switch( type ) {
case NIL: {
return 0;
} break;
case BOOL: {
return _data._bool?1:0;
} break;
case INT: {
return _data._int;
} break;
case REAL: {
MarshallFloat mf;
mf.f=_data._real;
return mf.i;
} break;
case STRING: {
return reinterpret_cast<const String*>(_data._mem)->hash();
} break;
// math types
case VECTOR2: {
uint32_t hash = hash_djb2_one_float(reinterpret_cast<const Vector2*>(_data._mem)->x);
return hash_djb2_one_float(reinterpret_cast<const Vector2*>(_data._mem)->y,hash);
} break;
case RECT2: {
uint32_t hash = hash_djb2_one_float(reinterpret_cast<const Rect2*>(_data._mem)->pos.x);
hash = hash_djb2_one_float(reinterpret_cast<const Rect2*>(_data._mem)->pos.y,hash);
hash = hash_djb2_one_float(reinterpret_cast<const Rect2*>(_data._mem)->size.x,hash);
return hash_djb2_one_float(reinterpret_cast<const Rect2*>(_data._mem)->size.y,hash);
} break;
case MATRIX32: {
uint32_t hash = 5831;
for(int i=0;i<3;i++) {
for(int j=0;j<2;j++) {
hash = hash_djb2_one_float(_data._matrix32->elements[i][j],hash);
}
}
return hash;
} break;
case VECTOR3: {
uint32_t hash = hash_djb2_one_float(reinterpret_cast<const Vector3*>(_data._mem)->x);
hash = hash_djb2_one_float(reinterpret_cast<const Vector3*>(_data._mem)->y,hash);
return hash_djb2_one_float(reinterpret_cast<const Vector3*>(_data._mem)->z,hash);
} break;
case PLANE: {
uint32_t hash = hash_djb2_one_float(reinterpret_cast<const Plane*>(_data._mem)->normal.x);
hash = hash_djb2_one_float(reinterpret_cast<const Plane*>(_data._mem)->normal.y,hash);
hash = hash_djb2_one_float(reinterpret_cast<const Plane*>(_data._mem)->normal.z,hash);
return hash_djb2_one_float(reinterpret_cast<const Plane*>(_data._mem)->d,hash);
} break;
/*
case QUAT: {
} break;*/
case _AABB: {
uint32_t hash = 5831;
for(int i=0;i<3;i++) {
hash = hash_djb2_one_float(_data._aabb->pos[i],hash);
hash = hash_djb2_one_float(_data._aabb->size[i],hash);
}
return hash;
} break;
case QUAT: {
uint32_t hash = hash_djb2_one_float(reinterpret_cast<const Quat*>(_data._mem)->x);
hash = hash_djb2_one_float(reinterpret_cast<const Quat*>(_data._mem)->y,hash);
hash = hash_djb2_one_float(reinterpret_cast<const Quat*>(_data._mem)->z,hash);
return hash_djb2_one_float(reinterpret_cast<const Quat*>(_data._mem)->w,hash);
} break;
case MATRIX3: {
uint32_t hash = 5831;
for(int i=0;i<3;i++) {
for(int j=0;j<3;j++) {
hash = hash_djb2_one_float(_data._matrix3->elements[i][j],hash);
}
}
return hash;
} break;
case TRANSFORM: {
uint32_t hash = 5831;
for(int i=0;i<3;i++) {
for(int j=0;j<3;j++) {
hash = hash_djb2_one_float(_data._transform->basis.elements[i][j],hash);
}
hash = hash_djb2_one_float(_data._transform->origin[i],hash);
}
return hash;
} break;
// misc types
case COLOR: {
uint32_t hash = hash_djb2_one_float(reinterpret_cast<const Color*>(_data._mem)->r);
hash = hash_djb2_one_float(reinterpret_cast<const Color*>(_data._mem)->g,hash);
hash = hash_djb2_one_float(reinterpret_cast<const Color*>(_data._mem)->b,hash);
return hash_djb2_one_float(reinterpret_cast<const Color*>(_data._mem)->a,hash);
} break;
case IMAGE: {
return 0;
} break;
case _RID: {
return hash_djb2_one_64(reinterpret_cast<const RID*>(_data._mem)->get_id());
} break;
case OBJECT: {
return hash_djb2_one_64(make_uint64_t(_get_obj().obj));
} break;
case NODE_PATH: {
return reinterpret_cast<const NodePath*>(_data._mem)->hash();
} break;
case INPUT_EVENT: {
return hash_djb2_buffer((uint8_t*)_data._input_event,sizeof(InputEvent));
} break;
case DICTIONARY: {
return reinterpret_cast<const Dictionary*>(_data._mem)->hash();
} break;
case ARRAY: {
const Array& arr = *reinterpret_cast<const Array* >(_data._mem);
return arr.hash();
} break;
case RAW_ARRAY: {
const DVector<uint8_t>& arr = *reinterpret_cast<const DVector<uint8_t>* >(_data._mem);
int len = arr.size();
DVector<uint8_t>::Read r = arr.read();
return hash_djb2_buffer((uint8_t*)&r[0],len);
} break;
case INT_ARRAY: {
const DVector<int>& arr = *reinterpret_cast<const DVector<int>* >(_data._mem);
int len = arr.size();
DVector<int>::Read r = arr.read();
return hash_djb2_buffer((uint8_t*)&r[0],len*sizeof(int));
} break;
case REAL_ARRAY: {
const DVector<real_t>& arr = *reinterpret_cast<const DVector<real_t>* >(_data._mem);
int len = arr.size();
DVector<real_t>::Read r = arr.read();
return hash_djb2_buffer((uint8_t*)&r[0],len*sizeof(real_t));
} break;
case STRING_ARRAY: {
uint32_t hash=5831;
const DVector<String>& arr = *reinterpret_cast<const DVector<String>* >(_data._mem);
int len = arr.size();
DVector<String>::Read r = arr.read();
for(int i=0;i<len;i++) {
hash = hash_djb2_one_32(r[i].hash(),hash);
}
return hash;
} break;
case VECTOR2_ARRAY: {
uint32_t hash=5831;
const DVector<Vector2>& arr = *reinterpret_cast<const DVector<Vector2>* >(_data._mem);
int len = arr.size();
DVector<Vector2>::Read r = arr.read();
for(int i=0;i<len;i++) {
hash = hash_djb2_one_float(r[i].x,hash);
hash = hash_djb2_one_float(r[i].y,hash);
}
return hash;
} break;
case VECTOR3_ARRAY: {
uint32_t hash=5831;
const DVector<Vector3>& arr = *reinterpret_cast<const DVector<Vector3>* >(_data._mem);
int len = arr.size();
DVector<Vector3>::Read r = arr.read();
for(int i=0;i<len;i++) {
hash = hash_djb2_one_float(r[i].x,hash);
hash = hash_djb2_one_float(r[i].y,hash);
hash = hash_djb2_one_float(r[i].z,hash);
}
return hash;
} break;
case COLOR_ARRAY: {
uint32_t hash=5831;
const DVector<Color>& arr = *reinterpret_cast<const DVector<Color>* >(_data._mem);
int len = arr.size();
DVector<Color>::Read r = arr.read();
for(int i=0;i<len;i++) {
hash = hash_djb2_one_float(r[i].r,hash);
hash = hash_djb2_one_float(r[i].g,hash);
hash = hash_djb2_one_float(r[i].b,hash);
hash = hash_djb2_one_float(r[i].a,hash);
}
return hash;
} break;
default: {}
}
return 0;
}
