281 lines
10 KiB
C++
281 lines
10 KiB
C++
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "UI_interface.h"
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#include "UI_resources.h"
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#include "node_geometry_util.hh"
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static bNodeSocketTemplate geo_node_attribute_clamp_in[] = {
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{SOCK_GEOMETRY, N_("Geometry")},
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{SOCK_STRING, N_("Attribute")},
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{SOCK_STRING, N_("Result")},
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{SOCK_VECTOR, N_("Min"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX},
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{SOCK_VECTOR, N_("Max"), 1.0f, 1.0f, 1.0f, 0.0f, -FLT_MAX, FLT_MAX},
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{SOCK_FLOAT, N_("Min"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX},
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{SOCK_FLOAT, N_("Max"), 1.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX},
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{SOCK_INT, N_("Min"), 0.0f, 0.0f, 0.0f, 0.0f, -100000, 100000},
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{SOCK_INT, N_("Max"), 100.0f, 0.0f, 0.0f, 0.0f, -100000, 100000},
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{SOCK_RGBA, N_("Min"), 0.5, 0.5, 0.5, 1.0},
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{SOCK_RGBA, N_("Max"), 0.5, 0.5, 0.5, 1.0},
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{-1, ""},
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};
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static bNodeSocketTemplate geo_node_attribute_clamp_out[] = {
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{SOCK_GEOMETRY, N_("Geometry")},
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{-1, ""},
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};
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static void geo_node_attribute_clamp_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
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{
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uiItemR(layout, ptr, "data_type", 0, "", ICON_NONE);
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uiItemR(layout, ptr, "operation", 0, "", ICON_NONE);
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}
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static void geo_node_attribute_clamp_init(bNodeTree *UNUSED(tree), bNode *node)
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{
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NodeAttributeClamp *data = (NodeAttributeClamp *)MEM_callocN(sizeof(NodeAttributeClamp),
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__func__);
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data->data_type = CD_PROP_FLOAT;
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data->operation = NODE_CLAMP_MINMAX;
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node->storage = data;
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}
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static void geo_node_attribute_clamp_update(bNodeTree *UNUSED(ntree), bNode *node)
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{
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bNodeSocket *sock_min_vector = (bNodeSocket *)BLI_findlink(&node->inputs, 3);
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bNodeSocket *sock_max_vector = sock_min_vector->next;
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bNodeSocket *sock_min_float = sock_max_vector->next;
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bNodeSocket *sock_max_float = sock_min_float->next;
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bNodeSocket *sock_min_int = sock_max_float->next;
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bNodeSocket *sock_max_int = sock_min_int->next;
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bNodeSocket *sock_min_color = sock_max_int->next;
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bNodeSocket *sock_max_color = sock_min_color->next;
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const NodeAttributeClamp &storage = *(const NodeAttributeClamp *)node->storage;
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const CustomDataType data_type = static_cast<CustomDataType>(storage.data_type);
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nodeSetSocketAvailability(sock_min_vector, data_type == CD_PROP_FLOAT3);
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nodeSetSocketAvailability(sock_max_vector, data_type == CD_PROP_FLOAT3);
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nodeSetSocketAvailability(sock_min_float, data_type == CD_PROP_FLOAT);
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nodeSetSocketAvailability(sock_max_float, data_type == CD_PROP_FLOAT);
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nodeSetSocketAvailability(sock_min_int, data_type == CD_PROP_INT32);
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nodeSetSocketAvailability(sock_max_int, data_type == CD_PROP_INT32);
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nodeSetSocketAvailability(sock_min_color, data_type == CD_PROP_COLOR);
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nodeSetSocketAvailability(sock_max_color, data_type == CD_PROP_COLOR);
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}
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namespace blender::nodes {
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template<typename T> T clamp_value(const T val, const T min, const T max);
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template<> inline float clamp_value(const float val, const float min, const float max)
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{
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return std::min(std::max(val, min), max);
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}
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template<> inline int clamp_value(const int val, const int min, const int max)
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{
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return std::min(std::max(val, min), max);
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}
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template<> inline float3 clamp_value(const float3 val, const float3 min, const float3 max)
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{
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float3 tmp;
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tmp.x = std::min(std::max(val.x, min.x), max.x);
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tmp.y = std::min(std::max(val.y, min.y), max.y);
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tmp.z = std::min(std::max(val.z, min.z), max.z);
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return tmp;
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}
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template<> inline Color4f clamp_value(const Color4f val, const Color4f min, const Color4f max)
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{
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Color4f tmp;
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tmp.r = std::min(std::max(val.r, min.r), max.r);
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tmp.g = std::min(std::max(val.g, min.g), max.g);
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tmp.b = std::min(std::max(val.b, min.b), max.b);
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tmp.a = std::min(std::max(val.a, min.a), max.a);
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return tmp;
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}
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template<typename T>
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static void clamp_attribute(const VArray<T> &inputs,
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const MutableSpan<T> outputs,
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const T min,
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const T max)
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{
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for (const int i : IndexRange(outputs.size())) {
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outputs[i] = clamp_value<T>(inputs[i], min, max);
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}
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}
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static AttributeDomain get_result_domain(const GeometryComponent &component,
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StringRef source_name,
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StringRef result_name)
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{
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std::optional<AttributeMetaData> result_info = component.attribute_get_meta_data(result_name);
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if (result_info) {
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return result_info->domain;
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}
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std::optional<AttributeMetaData> source_info = component.attribute_get_meta_data(source_name);
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if (source_info) {
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return source_info->domain;
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}
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return ATTR_DOMAIN_POINT;
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}
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static void clamp_attribute(GeometryComponent &component, const GeoNodeExecParams ¶ms)
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{
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const std::string attribute_name = params.get_input<std::string>("Attribute");
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const std::string result_name = params.get_input<std::string>("Result");
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if (attribute_name.empty() || result_name.empty()) {
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return;
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}
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if (!component.attribute_exists(attribute_name)) {
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params.error_message_add(NodeWarningType::Error,
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TIP_("No attribute with name \"") + attribute_name + "\"");
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return;
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}
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const NodeAttributeClamp &storage = *(const NodeAttributeClamp *)params.node().storage;
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const CustomDataType data_type = static_cast<CustomDataType>(storage.data_type);
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const AttributeDomain domain = get_result_domain(component, attribute_name, result_name);
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const int operation = static_cast<int>(storage.operation);
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GVArrayPtr attribute_input = component.attribute_try_get_for_read(
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attribute_name, domain, data_type);
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OutputAttribute attribute_result = component.attribute_try_get_for_output_only(
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result_name, domain, data_type);
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if (!attribute_result) {
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params.error_message_add(NodeWarningType::Error,
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TIP_("Could not find or create attribute with name \"") +
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result_name + "\"");
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return;
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}
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switch (data_type) {
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case CD_PROP_FLOAT3: {
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float3 min = params.get_input<float3>("Min");
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float3 max = params.get_input<float3>("Max");
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if (operation == NODE_CLAMP_RANGE) {
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if (min.x > max.x) {
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std::swap(min.x, max.x);
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}
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if (min.y > max.y) {
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std::swap(min.y, max.y);
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}
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if (min.z > max.z) {
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std::swap(min.z, max.z);
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}
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}
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MutableSpan<float3> results = attribute_result.as_span<float3>();
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clamp_attribute<float3>(attribute_input->typed<float3>(), results, min, max);
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break;
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}
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case CD_PROP_FLOAT: {
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const float min = params.get_input<float>("Min_001");
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const float max = params.get_input<float>("Max_001");
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MutableSpan<float> results = attribute_result.as_span<float>();
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if (operation == NODE_CLAMP_RANGE && min > max) {
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clamp_attribute<float>(attribute_input->typed<float>(), results, max, min);
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}
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else {
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clamp_attribute<float>(attribute_input->typed<float>(), results, min, max);
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}
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break;
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}
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case CD_PROP_INT32: {
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const int min = params.get_input<int>("Min_002");
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const int max = params.get_input<int>("Max_002");
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MutableSpan<int> results = attribute_result.as_span<int>();
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if (operation == NODE_CLAMP_RANGE && min > max) {
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clamp_attribute<int>(attribute_input->typed<int>(), results, max, min);
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}
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else {
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clamp_attribute<int>(attribute_input->typed<int>(), results, min, max);
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}
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break;
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}
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case CD_PROP_COLOR: {
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Color4f min = params.get_input<Color4f>("Min_003");
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Color4f max = params.get_input<Color4f>("Max_003");
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if (operation == NODE_CLAMP_RANGE) {
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if (min.r > max.r) {
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std::swap(min.r, max.r);
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}
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if (min.g > max.g) {
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std::swap(min.g, max.g);
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}
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if (min.b > max.b) {
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std::swap(min.b, max.b);
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}
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if (min.a > max.a) {
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std::swap(min.a, max.a);
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}
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}
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MutableSpan<Color4f> results = attribute_result.as_span<Color4f>();
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clamp_attribute<Color4f>(attribute_input->typed<Color4f>(), results, min, max);
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break;
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}
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default: {
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BLI_assert(false);
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break;
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}
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}
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attribute_result.save();
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}
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static void geo_node_attribute_clamp_exec(GeoNodeExecParams params)
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{
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GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
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geometry_set = geometry_set_realize_instances(geometry_set);
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if (geometry_set.has<MeshComponent>()) {
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clamp_attribute(geometry_set.get_component_for_write<MeshComponent>(), params);
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}
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if (geometry_set.has<PointCloudComponent>()) {
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clamp_attribute(geometry_set.get_component_for_write<PointCloudComponent>(), params);
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}
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if (geometry_set.has<CurveComponent>()) {
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clamp_attribute(geometry_set.get_component_for_write<CurveComponent>(), params);
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}
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params.set_output("Geometry", geometry_set);
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}
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} // namespace blender::nodes
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void register_node_type_geo_attribute_clamp()
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{
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static bNodeType ntype;
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geo_node_type_base(&ntype, GEO_NODE_ATTRIBUTE_CLAMP, "Attribute Clamp", NODE_CLASS_ATTRIBUTE, 0);
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node_type_socket_templates(&ntype, geo_node_attribute_clamp_in, geo_node_attribute_clamp_out);
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node_type_init(&ntype, geo_node_attribute_clamp_init);
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node_type_update(&ntype, geo_node_attribute_clamp_update);
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ntype.geometry_node_execute = blender::nodes::geo_node_attribute_clamp_exec;
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ntype.draw_buttons = geo_node_attribute_clamp_layout;
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node_type_storage(
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&ntype, "NodeAttributeClamp", node_free_standard_storage, node_copy_standard_storage);
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nodeRegisterType(&ntype);
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}
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