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/* SPDX-License-Identifier: GPL-2.0-or-later */
// #include "BLI_hash.h"
#include "BLI_noise.hh"
#include "node_function_util.hh"
#include "NOD_socket_search_link.hh"
#include "UI_interface.h"
#include "UI_resources.h"
namespace blender::nodes::node_fn_random_value_cc {
NODE_STORAGE_FUNCS(NodeRandomValue)
static void fn_node_random_value_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Vector>(N_("Min")).supports_field();
b.add_input<decl::Vector>(N_("Max")).default_value({1.0f, 1.0f, 1.0f}).supports_field();
b.add_input<decl::Float>(N_("Min"), "Min_001").supports_field();
b.add_input<decl::Float>(N_("Max"), "Max_001").default_value(1.0f).supports_field();
b.add_input<decl::Int>(N_("Min"), "Min_002").min(-100000).max(100000).supports_field();
b.add_input<decl::Int>(N_("Max"), "Max_002")
.default_value(100)
.min(-100000)
.max(100000)
.supports_field();
b.add_input<decl::Float>(N_("Probability"))
.min(0.0f)
.max(1.0f)
.default_value(0.5f)
.subtype(PROP_FACTOR)
.supports_field()
.make_available([](bNode &node) { node_storage(node).data_type = CD_PROP_BOOL; });
b.add_input<decl::Int>(N_("ID")).implicit_field(implicit_field_inputs::id_or_index);
b.add_input<decl::Int>(N_("Seed")).default_value(0).min(-10000).max(10000).supports_field();
b.add_output<decl::Vector>(N_("Value")).dependent_field();
b.add_output<decl::Float>(N_("Value"), "Value_001").dependent_field();
b.add_output<decl::Int>(N_("Value"), "Value_002").dependent_field();
b.add_output<decl::Bool>(N_("Value"), "Value_003").dependent_field();
}
static void fn_node_random_value_layout(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiItemR(layout, ptr, "data_type", 0, "", ICON_NONE);
}
static void fn_node_random_value_init(bNodeTree * /*tree*/, bNode *node)
{
NodeRandomValue *data = MEM_cnew<NodeRandomValue>(__func__);
data->data_type = CD_PROP_FLOAT;
node->storage = data;
}
static void fn_node_random_value_update(bNodeTree *ntree, bNode *node)
{
const NodeRandomValue &storage = node_storage(*node);
const eCustomDataType data_type = static_cast<eCustomDataType>(storage.data_type);
bNodeSocket *sock_min_vector = (bNodeSocket *)node->inputs.first;
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_probability = sock_max_int->next;
bNodeSocket *sock_out_vector = (bNodeSocket *)node->outputs.first;
bNodeSocket *sock_out_float = sock_out_vector->next;
bNodeSocket *sock_out_int = sock_out_float->next;
bNodeSocket *sock_out_bool = sock_out_int->next;
nodeSetSocketAvailability(ntree, sock_min_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(ntree, sock_max_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(ntree, sock_min_float, data_type == CD_PROP_FLOAT);
nodeSetSocketAvailability(ntree, sock_max_float, data_type == CD_PROP_FLOAT);
nodeSetSocketAvailability(ntree, sock_min_int, data_type == CD_PROP_INT32);
nodeSetSocketAvailability(ntree, sock_max_int, data_type == CD_PROP_INT32);
nodeSetSocketAvailability(ntree, sock_probability, data_type == CD_PROP_BOOL);
nodeSetSocketAvailability(ntree, sock_out_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(ntree, sock_out_float, data_type == CD_PROP_FLOAT);
nodeSetSocketAvailability(ntree, sock_out_int, data_type == CD_PROP_INT32);
nodeSetSocketAvailability(ntree, sock_out_bool, data_type == CD_PROP_BOOL);
}
static std::optional<eCustomDataType> node_type_from_other_socket(const bNodeSocket &socket)
{
switch (socket.type) {
case SOCK_FLOAT:
return CD_PROP_FLOAT;
case SOCK_BOOLEAN:
return CD_PROP_BOOL;
case SOCK_INT:
return CD_PROP_INT32;
case SOCK_VECTOR:
case SOCK_RGBA:
return CD_PROP_FLOAT3;
default:
return {};
}
}
static void fn_node_random_value_gather_link_search(GatherLinkSearchOpParams ¶ms)
{
const NodeDeclaration &declaration = *params.node_type().fixed_declaration;
const std::optional<eCustomDataType> type = node_type_from_other_socket(params.other_socket());
if (!type) {
return;
}
if (params.in_out() == SOCK_IN) {
if (ELEM(*type, CD_PROP_INT32, CD_PROP_FLOAT3, CD_PROP_FLOAT)) {
params.add_item(IFACE_("Min"), [type](LinkSearchOpParams ¶ms) {
bNode &node = params.add_node("FunctionNodeRandomValue");
node_storage(node).data_type = *type;
params.update_and_connect_available_socket(node, "Min");
});
params.add_item(IFACE_("Max"), [type](LinkSearchOpParams ¶ms) {
bNode &node = params.add_node("FunctionNodeRandomValue");
node_storage(node).data_type = *type;
params.update_and_connect_available_socket(node, "Max");
});
}
search_link_ops_for_declarations(params, declaration.inputs().take_back(3));
}
else {
params.add_item(IFACE_("Value"), [type](LinkSearchOpParams ¶ms) {
bNode &node = params.add_node("FunctionNodeRandomValue");
node_storage(node).data_type = *type;
params.update_and_connect_available_socket(node, "Value");
});
}
}
static void fn_node_random_value_build_multi_function(NodeMultiFunctionBuilder &builder)
{
const NodeRandomValue &storage = node_storage(builder.node());
const eCustomDataType data_type = static_cast<eCustomDataType>(storage.data_type);
switch (data_type) {
case CD_PROP_FLOAT3: {
static fn::CustomMF<fn::MFParamTag<fn::MFParamCategory::SingleInput, float3>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, float3>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleOutput, float3>>
fn{"Random Vector",
[](float3 min_value, float3 max_value, int id, int seed, float3 *r_value) {
const float x = noise::hash_to_float(seed, id, 0);
const float y = noise::hash_to_float(seed, id, 1);
const float z = noise::hash_to_float(seed, id, 2);
*r_value = float3(x, y, z) * (max_value - min_value) + min_value;
},
fn::CustomMF_presets::SomeSpanOrSingle<2>()};
builder.set_matching_fn(fn);
break;
}
case CD_PROP_FLOAT: {
static fn::CustomMF<fn::MFParamTag<fn::MFParamCategory::SingleInput, float>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, float>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleOutput, float>>
fn{"Random Float",
[](float min_value, float max_value, int id, int seed, float *r_value) {
const float value = noise::hash_to_float(seed, id);
*r_value = value * (max_value - min_value) + min_value;
},
fn::CustomMF_presets::SomeSpanOrSingle<2>()};
builder.set_matching_fn(fn);
break;
}
case CD_PROP_INT32: {
static fn::CustomMF<fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleOutput, int>>
fn{"Random Int",
[](int min_value, int max_value, int id, int seed, int *r_value) {
const float value = noise::hash_to_float(id, seed);
/* Add one to the maximum and use floor to produce an even
* distribution for the first and last values (See T93591). */
*r_value = floor(value * (max_value + 1 - min_value) + min_value);
},
fn::CustomMF_presets::SomeSpanOrSingle<2>()};
builder.set_matching_fn(fn);
break;
}
case CD_PROP_BOOL: {
static fn::CustomMF<fn::MFParamTag<fn::MFParamCategory::SingleInput, float>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleInput, int>,
fn::MFParamTag<fn::MFParamCategory::SingleOutput, bool>>
fn{"Random Bool",
[](float probability, int id, int seed, bool *r_value) {
*r_value = noise::hash_to_float(id, seed) <= probability;
},
fn::CustomMF_presets::SomeSpanOrSingle<1>()};
builder.set_matching_fn(fn);
break;
}
default: {
BLI_assert_unreachable();
break;
}
}
}
} // namespace blender::nodes::node_fn_random_value_cc
void register_node_type_fn_random_value()
{
namespace file_ns = blender::nodes::node_fn_random_value_cc;
static bNodeType ntype;
fn_node_type_base(&ntype, FN_NODE_RANDOM_VALUE, "Random Value", NODE_CLASS_CONVERTER);
ntype.initfunc = file_ns::fn_node_random_value_init;
ntype.updatefunc = file_ns::fn_node_random_value_update;
ntype.draw_buttons = file_ns::fn_node_random_value_layout;
ntype.declare = file_ns::fn_node_random_value_declare;
ntype.build_multi_function = file_ns::fn_node_random_value_build_multi_function;
ntype.gather_link_search_ops = file_ns::fn_node_random_value_gather_link_search;
node_type_storage(
&ntype, "NodeRandomValue", node_free_standard_storage, node_copy_standard_storage);
nodeRegisterType(&ntype);
}
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