Jacques Lucke
8cbbdedaf4
This updates the usage of integer types in code I wrote according to our new style guides. Major changes: * Use signed instead of unsigned integers in many places. * C++ containers in blenlib use `int64_t` for size and indices now (instead of `uint`). * Hash values for C++ containers are 64 bit wide now (instead of 32 bit). I do hope that I broke no builds, but it is quite likely that some compiler reports slightly different errors. Please let me know when there are any errors. If the fix is small, feel free to commit it yourself. I compiled successfully on linux with gcc and on windows.
345 lines
12 KiB
C++
345 lines
12 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 "NOD_node_tree_multi_function.hh"
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#include "BLI_color.hh"
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#include "BLI_float3.hh"
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namespace blender::nodes {
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/* Maybe this should be moved to BKE_node.h. */
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static std::optional<fn::MFDataType> try_get_multi_function_data_type_of_socket(
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const bNodeSocket *bsocket)
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{
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if (bsocket->typeinfo->get_mf_data_type == nullptr) {
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return {};
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}
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return bsocket->typeinfo->get_mf_data_type();
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}
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const fn::MultiFunction &NodeMFNetworkBuilder::get_default_fn(StringRef name)
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{
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Vector<fn::MFDataType, 10> input_types;
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Vector<fn::MFDataType, 10> output_types;
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for (const DInputSocket *dsocket : dnode_.inputs()) {
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if (dsocket->is_available()) {
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std::optional<fn::MFDataType> data_type = try_get_multi_function_data_type_of_socket(
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dsocket->bsocket());
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if (data_type.has_value()) {
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input_types.append(*data_type);
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}
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}
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}
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for (const DOutputSocket *dsocket : dnode_.outputs()) {
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if (dsocket->is_available()) {
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std::optional<fn::MFDataType> data_type = try_get_multi_function_data_type_of_socket(
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dsocket->bsocket());
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if (data_type.has_value()) {
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output_types.append(*data_type);
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}
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}
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}
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const fn::MultiFunction &fn = this->construct_fn<fn::CustomMF_DefaultOutput>(
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name, input_types, output_types);
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return fn;
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}
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static void insert_dummy_node(CommonMFNetworkBuilderData &common, const DNode &dnode)
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{
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constexpr int stack_capacity = 10;
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Vector<fn::MFDataType, stack_capacity> input_types;
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Vector<StringRef, stack_capacity> input_names;
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Vector<const DInputSocket *, stack_capacity> input_dsockets;
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for (const DInputSocket *dsocket : dnode.inputs()) {
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if (dsocket->is_available()) {
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std::optional<fn::MFDataType> data_type = try_get_multi_function_data_type_of_socket(
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dsocket->bsocket());
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if (data_type.has_value()) {
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input_types.append(*data_type);
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input_names.append(dsocket->name());
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input_dsockets.append(dsocket);
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}
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}
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}
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Vector<fn::MFDataType, stack_capacity> output_types;
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Vector<StringRef, stack_capacity> output_names;
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Vector<const DOutputSocket *, stack_capacity> output_dsockets;
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for (const DOutputSocket *dsocket : dnode.outputs()) {
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if (dsocket->is_available()) {
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std::optional<fn::MFDataType> data_type = try_get_multi_function_data_type_of_socket(
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dsocket->bsocket());
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if (data_type.has_value()) {
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output_types.append(*data_type);
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output_names.append(dsocket->name());
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output_dsockets.append(dsocket);
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}
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}
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}
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fn::MFDummyNode &dummy_node = common.network.add_dummy(
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dnode.name(), input_types, output_types, input_names, output_names);
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common.network_map.add(input_dsockets, dummy_node.inputs());
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common.network_map.add(output_dsockets, dummy_node.outputs());
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}
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static bool has_data_sockets(const DNode &dnode)
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{
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for (const DInputSocket *socket : dnode.inputs()) {
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if (is_multi_function_data_socket(socket->bsocket())) {
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return true;
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}
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}
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for (const DOutputSocket *socket : dnode.outputs()) {
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if (is_multi_function_data_socket(socket->bsocket())) {
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return true;
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}
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}
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return false;
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}
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/**
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* Expands all function nodes in the multi-function network. Nodes that don't have an expand
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* function, but do have data sockets, will get corresponding dummy nodes.
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*/
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static void insert_nodes(CommonMFNetworkBuilderData &common)
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{
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for (const DNode *dnode : common.tree.nodes()) {
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const bNodeType *node_type = dnode->node_ref().bnode()->typeinfo;
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if (node_type->expand_in_mf_network != nullptr) {
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NodeMFNetworkBuilder builder{common, *dnode};
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node_type->expand_in_mf_network(builder);
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}
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else if (has_data_sockets(*dnode)) {
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insert_dummy_node(common, *dnode);
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}
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}
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}
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static void insert_group_inputs(CommonMFNetworkBuilderData &common)
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{
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for (const DGroupInput *group_input : common.tree.group_inputs()) {
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bNodeSocket *bsocket = group_input->bsocket();
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if (is_multi_function_data_socket(bsocket)) {
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bNodeSocketType *socktype = bsocket->typeinfo;
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BLI_assert(socktype->expand_in_mf_network != nullptr);
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SocketMFNetworkBuilder builder{common, *group_input};
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socktype->expand_in_mf_network(builder);
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fn::MFOutputSocket *from_socket = builder.built_socket();
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BLI_assert(from_socket != nullptr);
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common.network_map.add(*group_input, *from_socket);
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}
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}
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}
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static fn::MFOutputSocket *try_find_origin(CommonMFNetworkBuilderData &common,
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const DInputSocket &to_dsocket)
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{
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Span<const DOutputSocket *> from_dsockets = to_dsocket.linked_sockets();
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Span<const DGroupInput *> from_group_inputs = to_dsocket.linked_group_inputs();
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int total_linked_amount = from_dsockets.size() + from_group_inputs.size();
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BLI_assert(total_linked_amount <= 1);
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if (total_linked_amount == 0) {
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return nullptr;
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}
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if (from_dsockets.size() == 1) {
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const DOutputSocket &from_dsocket = *from_dsockets[0];
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if (!from_dsocket.is_available()) {
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return nullptr;
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}
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if (is_multi_function_data_socket(from_dsocket.bsocket())) {
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return &common.network_map.lookup(from_dsocket);
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}
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return nullptr;
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}
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else {
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const DGroupInput &from_group_input = *from_group_inputs[0];
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if (is_multi_function_data_socket(from_group_input.bsocket())) {
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return &common.network_map.lookup(from_group_input);
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}
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return nullptr;
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}
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}
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using ImplicitConversionsMap =
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Map<std::pair<fn::MFDataType, fn::MFDataType>, const fn::MultiFunction *>;
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template<typename From, typename To>
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static void add_implicit_conversion(ImplicitConversionsMap &map)
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{
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static fn::CustomMF_Convert<From, To> function;
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map.add({fn::MFDataType::ForSingle<From>(), fn::MFDataType::ForSingle<To>()}, &function);
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}
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template<typename From, typename To, typename ConversionF>
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static void add_implicit_conversion(ImplicitConversionsMap &map,
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StringRef name,
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ConversionF conversion)
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{
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static fn::CustomMF_SI_SO<From, To> function{name, conversion};
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map.add({fn::MFDataType::ForSingle<From>(), fn::MFDataType::ForSingle<To>()}, &function);
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}
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static ImplicitConversionsMap get_implicit_conversions()
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{
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ImplicitConversionsMap conversions;
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add_implicit_conversion<float, int32_t>(conversions);
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add_implicit_conversion<float, float3>(conversions);
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add_implicit_conversion<int32_t, float>(conversions);
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add_implicit_conversion<float3, float>(
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conversions, "Vector Length", [](float3 a) { return a.length(); });
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add_implicit_conversion<int32_t, float3>(
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conversions, "int32 to float3", [](int32_t a) { return float3((float)a); });
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add_implicit_conversion<float3, Color4f>(
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conversions, "float3 to Color4f", [](float3 a) { return Color4f(a.x, a.y, a.z, 1.0f); });
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add_implicit_conversion<Color4f, float3>(
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conversions, "Color4f to float3", [](Color4f a) { return float3(a.r, a.g, a.b); });
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return conversions;
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}
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static const fn::MultiFunction *try_get_conversion_function(fn::MFDataType from, fn::MFDataType to)
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{
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static const ImplicitConversionsMap conversions = get_implicit_conversions();
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const fn::MultiFunction *function = conversions.lookup_default({from, to}, nullptr);
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return function;
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}
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static fn::MFOutputSocket &insert_default_value_for_type(CommonMFNetworkBuilderData &common,
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fn::MFDataType type)
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{
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const fn::MultiFunction *default_fn;
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if (type.is_single()) {
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default_fn = &common.resources.construct<fn::CustomMF_GenericConstant>(
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AT, type.single_type(), type.single_type().default_value());
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}
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else {
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default_fn = &common.resources.construct<fn::CustomMF_GenericConstantArray>(
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AT, fn::GSpan(type.vector_base_type()));
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}
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fn::MFNode &node = common.network.add_function(*default_fn);
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return node.output(0);
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}
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static void insert_links(CommonMFNetworkBuilderData &common)
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{
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for (const DInputSocket *to_dsocket : common.tree.input_sockets()) {
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if (!to_dsocket->is_available()) {
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continue;
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}
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if (!to_dsocket->is_linked()) {
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continue;
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}
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if (!is_multi_function_data_socket(to_dsocket->bsocket())) {
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continue;
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}
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Span<fn::MFInputSocket *> to_sockets = common.network_map.lookup(*to_dsocket);
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BLI_assert(to_sockets.size() >= 1);
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fn::MFDataType to_type = to_sockets[0]->data_type();
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fn::MFOutputSocket *from_socket = try_find_origin(common, *to_dsocket);
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if (from_socket == nullptr) {
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from_socket = &insert_default_value_for_type(common, to_type);
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}
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fn::MFDataType from_type = from_socket->data_type();
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if (from_type != to_type) {
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const fn::MultiFunction *conversion_fn = try_get_conversion_function(from_type, to_type);
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if (conversion_fn != nullptr) {
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fn::MFNode &node = common.network.add_function(*conversion_fn);
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common.network.add_link(*from_socket, node.input(0));
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from_socket = &node.output(0);
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}
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else {
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from_socket = &insert_default_value_for_type(common, to_type);
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}
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}
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for (fn::MFInputSocket *to_socket : to_sockets) {
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common.network.add_link(*from_socket, *to_socket);
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}
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}
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}
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static void insert_unlinked_input(CommonMFNetworkBuilderData &common, const DInputSocket &dsocket)
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{
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bNodeSocket *bsocket = dsocket.bsocket();
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bNodeSocketType *socktype = bsocket->typeinfo;
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BLI_assert(socktype->expand_in_mf_network != nullptr);
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SocketMFNetworkBuilder builder{common, dsocket};
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socktype->expand_in_mf_network(builder);
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fn::MFOutputSocket *from_socket = builder.built_socket();
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BLI_assert(from_socket != nullptr);
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for (fn::MFInputSocket *to_socket : common.network_map.lookup(dsocket)) {
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common.network.add_link(*from_socket, *to_socket);
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}
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}
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static void insert_unlinked_inputs(CommonMFNetworkBuilderData &common)
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{
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Vector<const DInputSocket *> unlinked_data_inputs;
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for (const DInputSocket *dsocket : common.tree.input_sockets()) {
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if (dsocket->is_available()) {
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if (is_multi_function_data_socket(dsocket->bsocket())) {
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if (!dsocket->is_linked()) {
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insert_unlinked_input(common, *dsocket);
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}
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}
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}
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}
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}
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/**
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* Expands all function nodes contained in the given node tree within the given multi-function
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* network.
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*
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* Returns a mapping between the original node tree and the generated nodes/sockets for further
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* processing.
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*/
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MFNetworkTreeMap insert_node_tree_into_mf_network(fn::MFNetwork &network,
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const DerivedNodeTree &tree,
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ResourceCollector &resources)
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{
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MFNetworkTreeMap network_map{tree, network};
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CommonMFNetworkBuilderData common{resources, network, network_map, tree};
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insert_nodes(common);
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insert_group_inputs(common);
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insert_links(common);
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insert_unlinked_inputs(common);
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return network_map;
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}
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} // namespace blender::nodes
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