diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_clamp.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_clamp.cc | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_clamp.cc b/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_clamp.cc new file mode 100644 index 00000000000..2e931a2da98 --- /dev/null +++ b/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_clamp.cc @@ -0,0 +1,281 @@ + +/* + * 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 "UI_interface.h" +#include "UI_resources.h" + +#include "node_geometry_util.hh" + +namespace blender::nodes { + +static void geo_node_attribute_clamp_declare(NodeDeclarationBuilder &b) +{ + b.add_input<decl::Geometry>("Geometry"); + b.add_input<decl::String>("Attribute"); + b.add_input<decl::String>("Result"); + b.add_input<decl::Vector>("Min"); + b.add_input<decl::Vector>("Max").default_value({1.0f, 1.0f, 1.0f}); + b.add_input<decl::Float>("Min", "Min_001"); + b.add_input<decl::Float>("Max", "Max_001").default_value(1.0f); + b.add_input<decl::Int>("Min", "Min_002").min(-100000).max(100000); + b.add_input<decl::Int>("Max", "Max_002").default_value(100).min(-100000).max(100000); + b.add_input<decl::Color>("Min", "Min_003").default_value({0.5f, 0.5f, 0.5f, 1.0f}); + b.add_input<decl::Color>("Max", "Max_003").default_value({0.5f, 0.5f, 0.5f, 1.0f}); + b.add_output<decl::Geometry>("Geometry"); +} + +static void geo_node_attribute_clamp_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr) +{ + uiItemR(layout, ptr, "data_type", 0, "", ICON_NONE); + uiItemR(layout, ptr, "operation", 0, "", ICON_NONE); +} + +static void geo_node_attribute_clamp_init(bNodeTree *UNUSED(tree), bNode *node) +{ + NodeAttributeClamp *data = (NodeAttributeClamp *)MEM_callocN(sizeof(NodeAttributeClamp), + __func__); + data->data_type = CD_PROP_FLOAT; + data->operation = NODE_CLAMP_MINMAX; + node->storage = data; +} + +static void geo_node_attribute_clamp_update(bNodeTree *UNUSED(ntree), bNode *node) +{ + bNodeSocket *sock_min_vector = (bNodeSocket *)BLI_findlink(&node->inputs, 3); + bNodeSocket *sock_max_vector = sock_min_vector->next; + bNodeSocket *sock_min_float = sock_max_vector->next; + bNodeSocket *sock_max_float = sock_min_float->next; + bNodeSocket *sock_min_int = sock_max_float->next; + bNodeSocket *sock_max_int = sock_min_int->next; + bNodeSocket *sock_min_color = sock_max_int->next; + bNodeSocket *sock_max_color = sock_min_color->next; + + const NodeAttributeClamp &storage = *(const NodeAttributeClamp *)node->storage; + const CustomDataType data_type = static_cast<CustomDataType>(storage.data_type); + nodeSetSocketAvailability(sock_min_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_max_float, data_type == CD_PROP_FLOAT); + nodeSetSocketAvailability(sock_min_int, data_type == CD_PROP_INT32); + nodeSetSocketAvailability(sock_max_int, data_type == CD_PROP_INT32); + nodeSetSocketAvailability(sock_min_color, data_type == CD_PROP_COLOR); + nodeSetSocketAvailability(sock_max_color, data_type == CD_PROP_COLOR); +} + +template<typename T> T clamp_value(const T val, const T min, const T max); + +template<> inline float clamp_value(const float val, const float min, const float max) +{ + return std::min(std::max(val, min), max); +} + +template<> inline int clamp_value(const int val, const int min, const int max) +{ + return std::min(std::max(val, min), max); +} + +template<> inline float3 clamp_value(const float3 val, const float3 min, const float3 max) +{ + float3 tmp; + tmp.x = std::min(std::max(val.x, min.x), max.x); + tmp.y = std::min(std::max(val.y, min.y), max.y); + tmp.z = std::min(std::max(val.z, min.z), max.z); + return tmp; +} + +template<> +inline ColorGeometry4f clamp_value(const ColorGeometry4f val, + const ColorGeometry4f min, + const ColorGeometry4f max) +{ + ColorGeometry4f tmp; + tmp.r = std::min(std::max(val.r, min.r), max.r); + tmp.g = std::min(std::max(val.g, min.g), max.g); + tmp.b = std::min(std::max(val.b, min.b), max.b); + tmp.a = std::min(std::max(val.a, min.a), max.a); + return tmp; +} + +template<typename T> +static void clamp_attribute(const VArray<T> &inputs, + const MutableSpan<T> outputs, + const T min, + const T max) +{ + for (const int i : IndexRange(outputs.size())) { + outputs[i] = clamp_value<T>(inputs[i], min, max); + } +} + +static AttributeDomain get_result_domain(const GeometryComponent &component, + StringRef source_name, + StringRef result_name) +{ + std::optional<AttributeMetaData> result_info = component.attribute_get_meta_data(result_name); + if (result_info) { + return result_info->domain; + } + std::optional<AttributeMetaData> source_info = component.attribute_get_meta_data(source_name); + if (source_info) { + return source_info->domain; + } + return ATTR_DOMAIN_POINT; +} + +static void clamp_attribute(GeometryComponent &component, const GeoNodeExecParams ¶ms) +{ + const std::string attribute_name = params.get_input<std::string>("Attribute"); + const std::string result_name = params.get_input<std::string>("Result"); + + if (attribute_name.empty() || result_name.empty()) { + return; + } + + if (!component.attribute_exists(attribute_name)) { + params.error_message_add(NodeWarningType::Error, + TIP_("No attribute with name \"") + attribute_name + "\""); + return; + } + + const NodeAttributeClamp &storage = *(const NodeAttributeClamp *)params.node().storage; + const CustomDataType data_type = static_cast<CustomDataType>(storage.data_type); + const AttributeDomain domain = get_result_domain(component, attribute_name, result_name); + const int operation = static_cast<int>(storage.operation); + + GVArrayPtr attribute_input = component.attribute_try_get_for_read( + attribute_name, domain, data_type); + + OutputAttribute attribute_result = component.attribute_try_get_for_output_only( + result_name, domain, data_type); + + if (!attribute_result) { + params.error_message_add(NodeWarningType::Error, + TIP_("Could not find or create attribute with name \"") + + result_name + "\""); + return; + } + + switch (data_type) { + case CD_PROP_FLOAT3: { + float3 min = params.get_input<float3>("Min"); + float3 max = params.get_input<float3>("Max"); + if (operation == NODE_CLAMP_RANGE) { + if (min.x > max.x) { + std::swap(min.x, max.x); + } + if (min.y > max.y) { + std::swap(min.y, max.y); + } + if (min.z > max.z) { + std::swap(min.z, max.z); + } + } + MutableSpan<float3> results = attribute_result.as_span<float3>(); + clamp_attribute<float3>(attribute_input->typed<float3>(), results, min, max); + break; + } + case CD_PROP_FLOAT: { + const float min = params.get_input<float>("Min_001"); + const float max = params.get_input<float>("Max_001"); + MutableSpan<float> results = attribute_result.as_span<float>(); + if (operation == NODE_CLAMP_RANGE && min > max) { + clamp_attribute<float>(attribute_input->typed<float>(), results, max, min); + } + else { + clamp_attribute<float>(attribute_input->typed<float>(), results, min, max); + } + break; + } + case CD_PROP_INT32: { + const int min = params.get_input<int>("Min_002"); + const int max = params.get_input<int>("Max_002"); + MutableSpan<int> results = attribute_result.as_span<int>(); + if (operation == NODE_CLAMP_RANGE && min > max) { + clamp_attribute<int>(attribute_input->typed<int>(), results, max, min); + } + else { + clamp_attribute<int>(attribute_input->typed<int>(), results, min, max); + } + break; + } + case CD_PROP_COLOR: { + ColorGeometry4f min = params.get_input<ColorGeometry4f>("Min_003"); + ColorGeometry4f max = params.get_input<ColorGeometry4f>("Max_003"); + if (operation == NODE_CLAMP_RANGE) { + if (min.r > max.r) { + std::swap(min.r, max.r); + } + if (min.g > max.g) { + std::swap(min.g, max.g); + } + if (min.b > max.b) { + std::swap(min.b, max.b); + } + if (min.a > max.a) { + std::swap(min.a, max.a); + } + } + MutableSpan<ColorGeometry4f> results = attribute_result.as_span<ColorGeometry4f>(); + clamp_attribute<ColorGeometry4f>( + attribute_input->typed<ColorGeometry4f>(), results, min, max); + break; + } + default: { + BLI_assert(false); + break; + } + } + + attribute_result.save(); +} + +static void geo_node_attribute_clamp_exec(GeoNodeExecParams params) +{ + GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry"); + + geometry_set = geometry_set_realize_instances(geometry_set); + + if (geometry_set.has<MeshComponent>()) { + clamp_attribute(geometry_set.get_component_for_write<MeshComponent>(), params); + } + if (geometry_set.has<PointCloudComponent>()) { + clamp_attribute(geometry_set.get_component_for_write<PointCloudComponent>(), params); + } + if (geometry_set.has<CurveComponent>()) { + clamp_attribute(geometry_set.get_component_for_write<CurveComponent>(), params); + } + + params.set_output("Geometry", geometry_set); +} + +} // namespace blender::nodes + +void register_node_type_geo_attribute_clamp() +{ + static bNodeType ntype; + + geo_node_type_base( + &ntype, GEO_NODE_LEGACY_ATTRIBUTE_CLAMP, "Attribute Clamp", NODE_CLASS_ATTRIBUTE, 0); + node_type_init(&ntype, blender::nodes::geo_node_attribute_clamp_init); + node_type_update(&ntype, blender::nodes::geo_node_attribute_clamp_update); + ntype.declare = blender::nodes::geo_node_attribute_clamp_declare; + ntype.geometry_node_execute = blender::nodes::geo_node_attribute_clamp_exec; + ntype.draw_buttons = blender::nodes::geo_node_attribute_clamp_layout; + node_type_storage( + &ntype, "NodeAttributeClamp", node_free_standard_storage, node_copy_standard_storage); + nodeRegisterType(&ntype); +} |