120 lines
4.2 KiB
C++
120 lines
4.2 KiB
C++
/*
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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 <cmath>
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#include "BLI_listbase.h"
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#include "BLI_string.h"
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#include "RNA_enum_types.h"
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#include "UI_interface.h"
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#include "UI_resources.h"
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#include "node_function_util.hh"
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namespace blender::nodes {
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static void fn_node_float_compare_declare(NodeDeclarationBuilder &b)
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{
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b.is_function_node();
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b.add_input<decl::Float>("A").min(-10000.0f).max(10000.0f);
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b.add_input<decl::Float>("B").min(-10000.0f).max(10000.0f);
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b.add_input<decl::Float>("Epsilon").default_value(0.001f).min(-10000.0f).max(10000.0f);
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b.add_output<decl::Bool>("Result");
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};
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static void geo_node_float_compare_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
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{
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uiItemR(layout, ptr, "operation", 0, "", ICON_NONE);
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}
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static void node_float_compare_update(bNodeTree *UNUSED(ntree), bNode *node)
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{
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bNodeSocket *sockEpsilon = (bNodeSocket *)BLI_findlink(&node->inputs, 2);
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nodeSetSocketAvailability(
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sockEpsilon, ELEM(node->custom1, NODE_FLOAT_COMPARE_EQUAL, NODE_FLOAT_COMPARE_NOT_EQUAL));
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}
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static void node_float_compare_label(bNodeTree *UNUSED(ntree),
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bNode *node,
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char *label,
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int maxlen)
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{
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const char *name;
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bool enum_label = RNA_enum_name(rna_enum_node_float_compare_items, node->custom1, &name);
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if (!enum_label) {
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name = "Unknown";
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}
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BLI_strncpy(label, IFACE_(name), maxlen);
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}
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static const fn::MultiFunction *get_multi_function(bNode &node)
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{
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static fn::CustomMF_SI_SI_SO<float, float, bool> less_than_fn{
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"Less Than", [](float a, float b) { return a < b; }};
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static fn::CustomMF_SI_SI_SO<float, float, bool> less_equal_fn{
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"Less Equal", [](float a, float b) { return a <= b; }};
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static fn::CustomMF_SI_SI_SO<float, float, bool> greater_than_fn{
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"Greater Than", [](float a, float b) { return a > b; }};
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static fn::CustomMF_SI_SI_SO<float, float, bool> greater_equal_fn{
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"Greater Equal", [](float a, float b) { return a >= b; }};
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static fn::CustomMF_SI_SI_SI_SO<float, float, float, bool> equal_fn{
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"Equal", [](float a, float b, float epsilon) { return std::abs(a - b) <= epsilon; }};
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static fn::CustomMF_SI_SI_SI_SO<float, float, float, bool> not_equal_fn{
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"Not Equal", [](float a, float b, float epsilon) { return std::abs(a - b) > epsilon; }};
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switch (node.custom1) {
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case NODE_FLOAT_COMPARE_LESS_THAN:
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return &less_than_fn;
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case NODE_FLOAT_COMPARE_LESS_EQUAL:
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return &less_equal_fn;
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case NODE_FLOAT_COMPARE_GREATER_THAN:
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return &greater_than_fn;
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case NODE_FLOAT_COMPARE_GREATER_EQUAL:
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return &greater_equal_fn;
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case NODE_FLOAT_COMPARE_EQUAL:
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return &equal_fn;
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case NODE_FLOAT_COMPARE_NOT_EQUAL:
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return ¬_equal_fn;
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}
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BLI_assert_unreachable();
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return nullptr;
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}
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static void fn_node_float_compare_build_multi_function(NodeMultiFunctionBuilder &builder)
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{
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const fn::MultiFunction *fn = get_multi_function(builder.node());
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builder.set_matching_fn(fn);
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}
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} // namespace blender::nodes
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void register_node_type_fn_float_compare()
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{
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static bNodeType ntype;
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fn_node_type_base(&ntype, FN_NODE_COMPARE_FLOATS, "Compare Floats", NODE_CLASS_CONVERTER, 0);
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ntype.declare = blender::nodes::fn_node_float_compare_declare;
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node_type_label(&ntype, blender::nodes::node_float_compare_label);
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node_type_update(&ntype, blender::nodes::node_float_compare_update);
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ntype.build_multi_function = blender::nodes::fn_node_float_compare_build_multi_function;
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ntype.draw_buttons = blender::nodes::geo_node_float_compare_layout;
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nodeRegisterType(&ntype);
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}
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