diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_math.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_math.cc | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_math.cc b/source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_math.cc new file mode 100644 index 00000000000..e0a829b4100 --- /dev/null +++ b/source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_math.cc @@ -0,0 +1,322 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "BLI_task.hh" + +#include "RNA_enum_types.h" + +#include "UI_interface.h" +#include "UI_resources.h" + +#include "NOD_math_functions.hh" + +#include "node_geometry_util.hh" + +namespace blender::nodes::node_geo_legacy_attribute_math_cc { + +static void node_declare(NodeDeclarationBuilder &b) +{ + b.add_input<decl::Geometry>(N_("Geometry")); + b.add_input<decl::String>(N_("A")); + b.add_input<decl::Float>(N_("A"), "A_001"); + b.add_input<decl::String>(N_("B")); + b.add_input<decl::Float>(N_("B"), "B_001"); + b.add_input<decl::String>(N_("C")); + b.add_input<decl::Float>(N_("C"), "C_001"); + b.add_input<decl::String>(N_("Result")); + b.add_output<decl::Geometry>(N_("Geometry")); +} + +static bool operation_use_input_c(const NodeMathOperation operation) +{ + return ELEM(operation, + NODE_MATH_MULTIPLY_ADD, + NODE_MATH_SMOOTH_MIN, + NODE_MATH_SMOOTH_MAX, + NODE_MATH_WRAP, + NODE_MATH_COMPARE); +} + +static bool operation_use_input_b(const NodeMathOperation operation) +{ + switch (operation) { + case NODE_MATH_ADD: + case NODE_MATH_SUBTRACT: + case NODE_MATH_MULTIPLY: + case NODE_MATH_DIVIDE: + case NODE_MATH_POWER: + case NODE_MATH_LOGARITHM: + case NODE_MATH_MINIMUM: + case NODE_MATH_MAXIMUM: + case NODE_MATH_LESS_THAN: + case NODE_MATH_GREATER_THAN: + case NODE_MATH_MODULO: + case NODE_MATH_ARCTAN2: + case NODE_MATH_SNAP: + case NODE_MATH_WRAP: + case NODE_MATH_COMPARE: + case NODE_MATH_MULTIPLY_ADD: + case NODE_MATH_PINGPONG: + case NODE_MATH_SMOOTH_MIN: + case NODE_MATH_SMOOTH_MAX: + return true; + case NODE_MATH_SINE: + case NODE_MATH_COSINE: + case NODE_MATH_TANGENT: + case NODE_MATH_ARCSINE: + case NODE_MATH_ARCCOSINE: + case NODE_MATH_ARCTANGENT: + case NODE_MATH_ROUND: + case NODE_MATH_ABSOLUTE: + case NODE_MATH_FLOOR: + case NODE_MATH_CEIL: + case NODE_MATH_FRACTION: + case NODE_MATH_SQRT: + case NODE_MATH_INV_SQRT: + case NODE_MATH_SIGN: + case NODE_MATH_EXPONENT: + case NODE_MATH_RADIANS: + case NODE_MATH_DEGREES: + case NODE_MATH_SINH: + case NODE_MATH_COSH: + case NODE_MATH_TANH: + case NODE_MATH_TRUNC: + return false; + } + BLI_assert(false); + return false; +} + +static void node_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr) +{ + bNode *node = (bNode *)ptr->data; + NodeAttributeMath *node_storage = (NodeAttributeMath *)node->storage; + NodeMathOperation operation = (NodeMathOperation)node_storage->operation; + + uiItemR(layout, ptr, "operation", 0, "", ICON_NONE); + + uiLayoutSetPropSep(layout, true); + uiLayoutSetPropDecorate(layout, false); + uiItemR(layout, ptr, "input_type_a", 0, IFACE_("A"), ICON_NONE); + if (operation_use_input_b(operation)) { + uiItemR(layout, ptr, "input_type_b", 0, IFACE_("B"), ICON_NONE); + } + if (operation_use_input_c(operation)) { + uiItemR(layout, ptr, "input_type_c", 0, IFACE_("C"), ICON_NONE); + } +} + +static void node_init(bNodeTree *UNUSED(tree), bNode *node) +{ + NodeAttributeMath *data = (NodeAttributeMath *)MEM_callocN(sizeof(NodeAttributeMath), __func__); + + data->operation = NODE_MATH_ADD; + data->input_type_a = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE; + data->input_type_b = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE; + data->input_type_c = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE; + node->storage = data; +} + +static void geo_node_math_label(const bNodeTree *UNUSED(ntree), + const bNode *node, + char *label, + int maxlen) +{ + NodeAttributeMath &node_storage = *(NodeAttributeMath *)node->storage; + const char *name; + bool enum_label = RNA_enum_name(rna_enum_node_math_items, node_storage.operation, &name); + if (!enum_label) { + name = "Unknown"; + } + BLI_strncpy(label, IFACE_(name), maxlen); +} + +static void node_update(bNodeTree *ntree, bNode *node) +{ + NodeAttributeMath &node_storage = *(NodeAttributeMath *)node->storage; + NodeMathOperation operation = static_cast<NodeMathOperation>(node_storage.operation); + + update_attribute_input_socket_availabilities( + *ntree, *node, "A", (GeometryNodeAttributeInputMode)node_storage.input_type_a); + update_attribute_input_socket_availabilities( + *ntree, + *node, + "B", + (GeometryNodeAttributeInputMode)node_storage.input_type_b, + operation_use_input_b(operation)); + update_attribute_input_socket_availabilities( + *ntree, + *node, + "C", + (GeometryNodeAttributeInputMode)node_storage.input_type_c, + operation_use_input_c(operation)); +} + +static void do_math_operation(const VArray<float> &span_a, + const VArray<float> &span_b, + const VArray<float> &span_c, + MutableSpan<float> span_result, + const NodeMathOperation operation) +{ + bool success = try_dispatch_float_math_fl_fl_fl_to_fl( + operation, [&](auto math_function, const FloatMathOperationInfo &UNUSED(info)) { + threading::parallel_for(IndexRange(span_result.size()), 512, [&](IndexRange range) { + for (const int i : range) { + span_result[i] = math_function(span_a[i], span_b[i], span_c[i]); + } + }); + }); + BLI_assert(success); + UNUSED_VARS_NDEBUG(success); +} + +static void do_math_operation(const VArray<float> &span_a, + const VArray<float> &span_b, + MutableSpan<float> span_result, + const NodeMathOperation operation) +{ + bool success = try_dispatch_float_math_fl_fl_to_fl( + operation, [&](auto math_function, const FloatMathOperationInfo &UNUSED(info)) { + threading::parallel_for(IndexRange(span_result.size()), 1024, [&](IndexRange range) { + for (const int i : range) { + span_result[i] = math_function(span_a[i], span_b[i]); + } + }); + }); + BLI_assert(success); + UNUSED_VARS_NDEBUG(success); +} + +static void do_math_operation(const VArray<float> &span_input, + MutableSpan<float> span_result, + const NodeMathOperation operation) +{ + bool success = try_dispatch_float_math_fl_to_fl( + operation, [&](auto math_function, const FloatMathOperationInfo &UNUSED(info)) { + threading::parallel_for(IndexRange(span_result.size()), 1024, [&](IndexRange range) { + for (const int i : range) { + span_result[i] = math_function(span_input[i]); + } + }); + }); + BLI_assert(success); + UNUSED_VARS_NDEBUG(success); +} + +static AttributeDomain get_result_domain(const GeometryComponent &component, + const GeoNodeExecParams ¶ms, + const NodeMathOperation operation, + StringRef result_name) +{ + /* Use the domain of the result attribute if it already exists. */ + std::optional<AttributeMetaData> result_info = component.attribute_get_meta_data(result_name); + if (result_info) { + return result_info->domain; + } + + /* Otherwise use the highest priority domain from existing input attributes, or the default. */ + const AttributeDomain default_domain = ATTR_DOMAIN_POINT; + if (operation_use_input_b(operation)) { + if (operation_use_input_c(operation)) { + return params.get_highest_priority_input_domain({"A", "B", "C"}, component, default_domain); + } + return params.get_highest_priority_input_domain({"A", "B"}, component, default_domain); + } + return params.get_highest_priority_input_domain({"A"}, component, default_domain); +} + +static void attribute_math_calc(GeometryComponent &component, const GeoNodeExecParams ¶ms) +{ + const bNode &node = params.node(); + const NodeAttributeMath *node_storage = (const NodeAttributeMath *)node.storage; + const NodeMathOperation operation = static_cast<NodeMathOperation>(node_storage->operation); + const std::string result_name = params.get_input<std::string>("Result"); + + /* The result type of this node is always float. */ + const AttributeDomain result_domain = get_result_domain( + component, params, operation, result_name); + + OutputAttribute_Typed<float> attribute_result = + component.attribute_try_get_for_output_only<float>(result_name, result_domain); + if (!attribute_result) { + return; + } + + VArray<float> attribute_a = params.get_input_attribute<float>( + "A", component, result_domain, 0.0f); + + MutableSpan<float> result_span = attribute_result.as_span(); + + /* Note that passing the data with `get_internal_span<float>()` works + * because the attributes were accessed with #CD_PROP_FLOAT. */ + if (operation_use_input_b(operation)) { + VArray<float> attribute_b = params.get_input_attribute<float>( + "B", component, result_domain, 0.0f); + if (operation_use_input_c(operation)) { + VArray<float> attribute_c = params.get_input_attribute<float>( + "C", component, result_domain, 0.0f); + do_math_operation(attribute_a, attribute_b, attribute_c, result_span, operation); + } + else { + do_math_operation(attribute_a, attribute_b, result_span, operation); + } + } + else { + do_math_operation(attribute_a, result_span, operation); + } + + attribute_result.save(); +} + +static void node_geo_exec(GeoNodeExecParams params) +{ + GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry"); + + geometry_set = geometry::realize_instances_legacy(geometry_set); + + if (geometry_set.has<MeshComponent>()) { + attribute_math_calc(geometry_set.get_component_for_write<MeshComponent>(), params); + } + if (geometry_set.has<PointCloudComponent>()) { + attribute_math_calc(geometry_set.get_component_for_write<PointCloudComponent>(), params); + } + if (geometry_set.has<CurveComponent>()) { + attribute_math_calc(geometry_set.get_component_for_write<CurveComponent>(), params); + } + + params.set_output("Geometry", geometry_set); +} + +} // namespace blender::nodes::node_geo_legacy_attribute_math_cc + +void register_node_type_geo_attribute_math() +{ + namespace file_ns = blender::nodes::node_geo_legacy_attribute_math_cc; + + static bNodeType ntype; + + geo_node_type_base( + &ntype, GEO_NODE_LEGACY_ATTRIBUTE_MATH, "Attribute Math", NODE_CLASS_ATTRIBUTE, 0); + ntype.declare = file_ns::node_declare; + ntype.geometry_node_execute = file_ns::node_geo_exec; + ntype.draw_buttons = file_ns::node_layout; + ntype.labelfunc = file_ns::geo_node_math_label; + node_type_update(&ntype, file_ns::node_update); + node_type_init(&ntype, file_ns::node_init); + node_type_storage( + &ntype, "NodeAttributeMath", node_free_standard_storage, node_copy_standard_storage); + nodeRegisterType(&ntype); +} |