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