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Differential D10300 Diff 33525 source/blender/nodes/geometry/nodes/node_geo_attribute_randomize.cc

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source/blender/nodes/geometry/nodes/node_geo_attribute_randomize.cc

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static void geo_node_attribute_randomize_update(bNodeTree *UNUSED(ntree), bNode *node) static void geo_node_attribute_randomize_update(bNodeTree *UNUSED(ntree), bNode *node)
{ {
bNodeSocket *sock_min_vector = (bNodeSocket *)BLI_findlink(&node->inputs, 2); bNodeSocket *sock_min_vector = (bNodeSocket *)BLI_findlink(&node->inputs, 2);
bNodeSocket *sock_max_vector = sock_min_vector->next; bNodeSocket *sock_max_vector = sock_min_vector->next;
bNodeSocket *sock_min_float = sock_max_vector->next; bNodeSocket *sock_min_float = sock_max_vector->next;
bNodeSocket *sock_max_float = sock_min_float->next; bNodeSocket *sock_max_float = sock_min_float->next;
const int data_type = node->custom1; const CustomDataType data_type = static_cast<CustomDataType>(node->custom1);
nodeSetSocketAvailability(sock_min_vector, data_type == CD_PROP_FLOAT3); nodeSetSocketAvailability(sock_min_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(sock_max_vector, data_type == CD_PROP_FLOAT3); nodeSetSocketAvailability(sock_max_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(sock_min_float, data_type == CD_PROP_FLOAT); nodeSetSocketAvailability(sock_min_float, data_type == CD_PROP_FLOAT);
nodeSetSocketAvailability(sock_max_float, data_type == CD_PROP_FLOAT); nodeSetSocketAvailability(sock_max_float, data_type == CD_PROP_FLOAT);
} }
namespace blender::nodes { namespace blender::nodes {
Show All 18 Linesstatic void randomize_attribute_bool(BooleanWriteAttribute attribute,
MutableSpan<bool> attribute_span = attribute.get_span(); MutableSpan<bool> attribute_span = attribute.get_span();
for (const int i : IndexRange(attribute.size())) { for (const int i : IndexRange(attribute.size())) {
const bool value = noise_from_index(seed, (int)hashes[i]) > 0.5f; const bool value = noise_from_index(seed, (int)hashes[i]) > 0.5f;
attribute_span[i] = value; attribute_span[i] = value;
} }
attribute.apply_span(); attribute.apply_span();
} }
static void randomize_attribute_float( static void randomize_attribute_float(FloatWriteAttribute attribute,
FloatWriteAttribute attribute, float min, float max, Span<uint32_t> hashes, const int seed) const float min,
const float max,
Span<uint32_t> hashes,
const int seed)
{ {
MutableSpan<float> attribute_span = attribute.get_span(); MutableSpan<float> attribute_span = attribute.get_span();
for (const int i : IndexRange(attribute.size())) { for (const int i : IndexRange(attribute.size())) {
const float value = noise_from_index(seed, (int)hashes[i]) * (max - min) + min; const float value = noise_from_index(seed, (int)hashes[i]) * (max - min) + min;
attribute_span[i] = value; attribute_span[i] = value;
} }
attribute.apply_span(); attribute.apply_span();
} }
static void randomize_attribute_float3( static void randomize_attribute_float3(Float3WriteAttribute attribute,
Float3WriteAttribute attribute, float3 min, float3 max, Span<uint32_t> hashes, const int seed) const float3 min,
const float3 max,
Span<uint32_t> hashes,
const int seed)
{ {
MutableSpan<float3> attribute_span = attribute.get_span(); MutableSpan<float3> attribute_span = attribute.get_span();
for (const int i : IndexRange(attribute.size())) { for (const int i : IndexRange(attribute.size())) {
const float x = noise_from_index_and_mutator(seed, (int)hashes[i], 47); const float x = noise_from_index_and_mutator(seed, (int)hashes[i], 47);
const float y = noise_from_index_and_mutator(seed, (int)hashes[i], 8); const float y = noise_from_index_and_mutator(seed, (int)hashes[i], 8);
const float z = noise_from_index_and_mutator(seed, (int)hashes[i], 64); const float z = noise_from_index_and_mutator(seed, (int)hashes[i], 64);
const float3 value = float3(x, y, z) * (max - min) + min; const float3 value = float3(x, y, z) * (max - min) + min;
attribute_span[i] = value; attribute_span[i] = value;
Show All 14 Lines if (hash_attribute) {
const CPPType &cpp_type = hash_attribute->cpp_type(); const CPPType &cpp_type = hash_attribute->cpp_type();
fn::GSpan items = hash_attribute->get_span(); fn::GSpan items = hash_attribute->get_span();
for (const int i : hashes.index_range()) { for (const int i : hashes.index_range()) {
hashes[i] = cpp_type.hash(items[i]); hashes[i] = cpp_type.hash(items[i]);
} }
} }
else { else {
/* If there is no "id" attribute for per-point variation, just create it here. */ /* If there is no "id" attribute for per-point variation, just create it here. */
RandomNumberGenerator rng; RandomNumberGenerator rng(0);
rng.seed(0);
for (const int i : hashes.index_range()) { for (const int i : hashes.index_range()) {
hashes[i] = rng.get_uint32(); hashes[i] = rng.get_uint32();
} }
} }
return hashes; return hashes;
} }
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