diff options
author | Charlie Jolly <charlie> | 2021-03-26 12:28:15 +0300 |
---|---|---|
committer | Charlie Jolly <mistajolly@gmail.com> | 2021-03-26 13:52:50 +0300 |
commit | 43455f385709ede032de0c39792bad422be87a92 (patch) | |
tree | cecbcb526bfcaffe607dbf288a04e25df8cb9a2b /source/blender/nodes | |
parent | e867f40611deea6cb100dcf52eebcc5df23166d9 (diff) |
Geometry Nodes: Add Attribute Clamp Node
This adds a Clamp node for Geometry Nodes Attributes.
Supports both Min-Max and Range clamp modes.
Float, Vector, Color and Int data types supported.
Reviewed By: HooglyBoogly, simonthommes
Differential Revision: https://developer.blender.org/D10526
Diffstat (limited to 'source/blender/nodes')
-rw-r--r-- | source/blender/nodes/CMakeLists.txt | 1 | ||||
-rw-r--r-- | source/blender/nodes/NOD_geometry.h | 1 | ||||
-rw-r--r-- | source/blender/nodes/NOD_static_types.h | 1 | ||||
-rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_attribute_clamp.cc | 278 |
4 files changed, 281 insertions, 0 deletions
diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt index 8f0156c3aad..e8b26b8e08f 100644 --- a/source/blender/nodes/CMakeLists.txt +++ b/source/blender/nodes/CMakeLists.txt @@ -139,6 +139,7 @@ set(SRC function/node_function_util.cc geometry/nodes/node_geo_align_rotation_to_vector.cc + geometry/nodes/node_geo_attribute_clamp.cc geometry/nodes/node_geo_attribute_color_ramp.cc geometry/nodes/node_geo_attribute_combine_xyz.cc geometry/nodes/node_geo_attribute_compare.cc diff --git a/source/blender/nodes/NOD_geometry.h b/source/blender/nodes/NOD_geometry.h index d330218485d..def211d0b45 100644 --- a/source/blender/nodes/NOD_geometry.h +++ b/source/blender/nodes/NOD_geometry.h @@ -27,6 +27,7 @@ void register_node_tree_type_geo(void); void register_node_type_geo_group(void); void register_node_type_geo_align_rotation_to_vector(void); +void register_node_type_geo_attribute_clamp(void); void register_node_type_geo_attribute_color_ramp(void); void register_node_type_geo_attribute_combine_xyz(void); void register_node_type_geo_attribute_compare(void); diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h index a46178d0d61..0e19db6866e 100644 --- a/source/blender/nodes/NOD_static_types.h +++ b/source/blender/nodes/NOD_static_types.h @@ -307,6 +307,7 @@ DefNode(GeometryNode, GEO_NODE_MESH_PRIMITIVE_CONE, def_geo_mesh_cone, "MESH_PRI DefNode(GeometryNode, GEO_NODE_MESH_PRIMITIVE_LINE, def_geo_mesh_line, "MESH_PRIMITIVE_LINE", MeshLine, "Line", "") DefNode(GeometryNode, GEO_NODE_MESH_PRIMITIVE_PLANE, 0, "MESH_PRIMITIVE_PLANE", MeshPlane, "Plane", "") DefNode(GeometryNode, GEO_NODE_ATTRIBUTE_MAP_RANGE, def_geo_attribute_map_range, "ATTRIBUTE_MAP_RANGE", AttributeMapRange, "Attribute Map Range", "") +DefNode(GeometryNode, GEO_NODE_ATTRIBUTE_CLAMP, def_geo_attribute_clamp, "ATTRIBUTE_CLAMP", AttributeClamp, "Attribute Clamp", "") /* undefine macros */ #undef DefNode diff --git a/source/blender/nodes/geometry/nodes/node_geo_attribute_clamp.cc b/source/blender/nodes/geometry/nodes/node_geo_attribute_clamp.cc new file mode 100644 index 00000000000..93e4124bd70 --- /dev/null +++ b/source/blender/nodes/geometry/nodes/node_geo_attribute_clamp.cc @@ -0,0 +1,278 @@ + +/* + * 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 "node_geometry_util.hh" + +#include "UI_interface.h" +#include "UI_resources.h" + +static bNodeSocketTemplate geo_node_attribute_clamp_in[] = { + {SOCK_GEOMETRY, N_("Geometry")}, + {SOCK_STRING, N_("Attribute")}, + {SOCK_STRING, N_("Result")}, + {SOCK_VECTOR, N_("Min"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX}, + {SOCK_VECTOR, N_("Max"), 1.0f, 1.0f, 1.0f, 0.0f, -FLT_MAX, FLT_MAX}, + {SOCK_FLOAT, N_("Min"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX}, + {SOCK_FLOAT, N_("Max"), 1.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX}, + {SOCK_INT, N_("Min"), 0.0f, 0.0f, 0.0f, 0.0f, -100000, 100000}, + {SOCK_INT, N_("Max"), 100.0f, 0.0f, 0.0f, 0.0f, -100000, 100000}, + {SOCK_RGBA, N_("Min"), 0.5, 0.5, 0.5, 1.0}, + {SOCK_RGBA, N_("Max"), 0.5, 0.5, 0.5, 1.0}, + {-1, ""}, +}; + +static bNodeSocketTemplate geo_node_attribute_clamp_out[] = { + {SOCK_GEOMETRY, N_("Geometry")}, + {-1, ""}, +}; + +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); +} + +namespace blender::nodes { + +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 Color4f clamp_value(const Color4f val, const Color4f min, const Color4f max) +{ + Color4f 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(Span<T> read_span, MutableSpan<T> span, const T min, const T max) +{ + for (const int i : span.index_range()) { + span[i] = clamp_value<T>(read_span[i], min, max); + } +} + +static AttributeDomain get_result_domain(const GeometryComponent &component, + StringRef source_name, + StringRef result_name) +{ + ReadAttributePtr result_attribute = component.attribute_try_get_for_read(result_name); + if (result_attribute) { + return result_attribute->domain(); + } + ReadAttributePtr source_attribute = component.attribute_try_get_for_read(source_name); + if (source_attribute) { + return source_attribute->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); + + ReadAttributePtr attribute_input = component.attribute_try_get_for_read( + attribute_name, domain, data_type); + + OutputAttributePtr attribute_result = component.attribute_try_get_for_output( + 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: { + Span<float3> read_span = attribute_input->get_span<float3>(); + MutableSpan<float3> span = attribute_result->get_span_for_write_only<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); + } + } + clamp_attribute<float3>(read_span, span, min, max); + break; + } + case CD_PROP_FLOAT: { + Span<float> read_span = attribute_input->get_span<float>(); + MutableSpan<float> span = attribute_result->get_span_for_write_only<float>(); + const float min = params.get_input<float>("Min_001"); + const float max = params.get_input<float>("Max_001"); + if (operation == NODE_CLAMP_RANGE && min > max) { + clamp_attribute<float>(read_span, span, max, min); + } + else { + clamp_attribute<float>(read_span, span, min, max); + } + break; + } + case CD_PROP_INT32: { + Span<int> read_span = attribute_input->get_span<int>(); + MutableSpan<int> span = attribute_result->get_span_for_write_only<int>(); + const int min = params.get_input<int>("Min_002"); + const int max = params.get_input<int>("Max_002"); + if (operation == NODE_CLAMP_RANGE && min > max) { + clamp_attribute<int>(read_span, span, max, min); + } + else { + clamp_attribute<int>(read_span, span, min, max); + } + break; + } + case CD_PROP_COLOR: { + Span<Color4f> read_span = attribute_input->get_span<Color4f>(); + MutableSpan<Color4f> span = attribute_result->get_span_for_write_only<Color4f>(); + Color4f min = params.get_input<Color4f>("Min_003"); + Color4f max = params.get_input<Color4f>("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); + } + } + clamp_attribute<Color4f>(read_span, span, min, max); + break; + } + default: { + BLI_assert(false); + break; + } + } + + attribute_result.apply_span_and_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); + } + + 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_ATTRIBUTE_CLAMP, "Attribute Clamp", NODE_CLASS_ATTRIBUTE, 0); + node_type_socket_templates(&ntype, geo_node_attribute_clamp_in, geo_node_attribute_clamp_out); + node_type_init(&ntype, geo_node_attribute_clamp_init); + node_type_update(&ntype, geo_node_attribute_clamp_update); + ntype.geometry_node_execute = blender::nodes::geo_node_attribute_clamp_exec; + ntype.draw_buttons = geo_node_attribute_clamp_layout; + node_type_storage( + &ntype, "NodeAttributeClamp", node_free_standard_storage, node_copy_standard_storage); + nodeRegisterType(&ntype); +} |