ImHex/source/views/view_data_processor.cpp

512 lines
18 KiB
C++

#include "views/view_data_processor.hpp"
#include <hex/providers/provider.hpp>
#include <helpers/project_file_handler.hpp>
#include <imnodes.h>
#include <nlohmann/json.hpp>
namespace hex {
ViewDataProcessor::ViewDataProcessor() : View("hex.view.data_processor.name") {
EventManager::subscribe<EventSettingsChanged>(this, [] {
auto theme = ContentRegistry::Settings::getSetting("hex.builtin.setting.interface", "hex.builtin.setting.interface.color");
if (theme.is_number()) {
switch (static_cast<int>(theme)) {
default:
case 0: /* Dark theme */
ImNodes::StyleColorsDark();
break;
case 1: /* Light theme */
ImNodes::StyleColorsLight();
break;
case 2: /* Classic theme */
ImNodes::StyleColorsClassic();
break;
}
ImNodes::GetStyle().Flags = ImNodesStyleFlags_NodeOutline | ImNodesStyleFlags_GridLines;
}
});
EventManager::subscribe<EventProjectFileStore>(this, [this] {
ProjectFile::setDataProcessorContent(this->saveNodes());
});
EventManager::subscribe<EventProjectFileLoad>(this, [this] {
this->loadNodes(ProjectFile::getDataProcessorContent());
});
EventManager::subscribe<EventFileLoaded>(this, [this](const std::string &path){
for (auto &node : this->m_nodes) {
node->setCurrentOverlay(nullptr);
}
this->m_dataOverlays.clear();
});
}
ViewDataProcessor::~ViewDataProcessor() {
for (auto &node : this->m_nodes)
delete node;
EventManager::unsubscribe<EventSettingsChanged>(this);
EventManager::unsubscribe<EventFileLoaded>(this);
EventManager::unsubscribe<EventProjectFileStore>(this);
EventManager::unsubscribe<EventProjectFileLoad>(this);
}
void ViewDataProcessor::eraseLink(u32 id) {
auto link = std::find_if(this->m_links.begin(), this->m_links.end(), [&id](auto link){ return link.getID() == id; });
if (link == this->m_links.end())
return;
for (auto &node : this->m_nodes) {
for (auto &attribute : node->getAttributes()) {
attribute.removeConnectedAttribute(id);
}
}
this->m_links.erase(link);
ProjectFile::markDirty();
}
void ViewDataProcessor::eraseNodes(const std::vector<int> &ids) {
for (const int id : ids) {
auto node = std::find_if(this->m_nodes.begin(), this->m_nodes.end(), [&id](auto node){ return node->getID() == id; });
for (auto &attr : (*node)->getAttributes()) {
std::vector<u32> linksToRemove;
for (auto &[linkId, connectedAttr] : attr.getConnectedAttributes())
linksToRemove.push_back(linkId);
for (auto linkId : linksToRemove)
eraseLink(linkId);
}
}
for (const int id : ids) {
auto node = std::find_if(this->m_nodes.begin(), this->m_nodes.end(), [&id](auto node){ return node->getID() == id; });
std::erase_if(this->m_endNodes, [&id](auto node){ return node->getID() == id; });
delete *node;
this->m_nodes.erase(node);
}
ProjectFile::markDirty();
}
void ViewDataProcessor::processNodes() {
if (this->m_dataOverlays.size() != this->m_endNodes.size()) {
for (auto overlay : this->m_dataOverlays)
SharedData::currentProvider->deleteOverlay(overlay);
this->m_dataOverlays.clear();
for (u32 i = 0; i < this->m_endNodes.size(); i++)
this->m_dataOverlays.push_back(SharedData::currentProvider->newOverlay());
u32 overlayIndex = 0;
for (auto endNode : this->m_endNodes) {
endNode->setCurrentOverlay(this->m_dataOverlays[overlayIndex]);
overlayIndex++;
}
}
this->m_currNodeError.reset();
try {
for (auto &endNode : this->m_endNodes) {
endNode->resetOutputData();
for (auto &node : this->m_nodes)
node->resetProcessedInputs();
endNode->process();
}
} catch (dp::Node::NodeError &e) {
this->m_currNodeError = e;
for (auto overlay : this->m_dataOverlays)
SharedData::currentProvider->deleteOverlay(overlay);
this->m_dataOverlays.clear();
} catch (std::runtime_error &e) {
printf("Node implementation bug! %s\n", e.what());
}
}
void ViewDataProcessor::drawContent() {
if (ImGui::Begin(View::toWindowName("hex.view.data_processor.name").c_str(), &this->getWindowOpenState(), ImGuiWindowFlags_NoCollapse)) {
if (ImGui::IsMouseReleased(ImGuiMouseButton_Right) && ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows)) {
ImNodes::ClearNodeSelection();
ImNodes::ClearLinkSelection();
this->m_rightClickedCoords = ImGui::GetMousePos();
if (ImNodes::IsNodeHovered(&this->m_rightClickedId))
ImGui::OpenPopup("Node Menu");
else if (ImNodes::IsLinkHovered(&this->m_rightClickedId))
ImGui::OpenPopup("Link Menu");
else
ImGui::OpenPopup("Context Menu");
}
if (ImGui::BeginPopup("Context Menu")) {
dp::Node *node = nullptr;
if (ImNodes::NumSelectedNodes() > 0 || ImNodes::NumSelectedLinks() > 0) {
if (ImGui::MenuItem("hex.view.data_processor.name"_lang)) {
std::vector<int> ids;
ids.resize(ImNodes::NumSelectedNodes());
ImNodes::GetSelectedNodes(ids.data());
this->eraseNodes(ids);
ImNodes::ClearNodeSelection();
ids.resize(ImNodes::NumSelectedLinks());
ImNodes::GetSelectedLinks(ids.data());
for (auto id : ids)
this->eraseLink(id);
ImNodes::ClearLinkSelection();
}
}
for (const auto &[unlocalizedCategory, unlocalizedName, function] : ContentRegistry::DataProcessorNode::getEntries()) {
if (unlocalizedCategory.empty() && unlocalizedName.empty()) {
ImGui::Separator();
} else if (unlocalizedCategory.empty()) {
if (ImGui::MenuItem(LangEntry(unlocalizedName))) {
node = function();
ProjectFile::markDirty();
}
} else {
if (ImGui::BeginMenu(LangEntry(unlocalizedCategory))) {
if (ImGui::MenuItem(LangEntry(unlocalizedName))) {
node = function();
ProjectFile::markDirty();
}
ImGui::EndMenu();
}
}
}
if (node != nullptr) {
this->m_nodes.push_back(node);
bool hasOutput = false;
bool hasInput = false;
for (auto &attr : node->getAttributes()) {
if (attr.getIOType() == dp::Attribute::IOType::Out)
hasOutput = true;
if (attr.getIOType() == dp::Attribute::IOType::In)
hasInput = true;
}
if (hasInput && !hasOutput)
this->m_endNodes.push_back(node);
ImNodes::SetNodeScreenSpacePos(node->getID(), this->m_rightClickedCoords);
}
ImGui::EndPopup();
}
if (ImGui::BeginPopup("Node Menu")) {
if (ImGui::MenuItem("hex.view.data_processor.menu.remove_node"_lang))
this->eraseNodes({ this->m_rightClickedId });
ImGui::EndPopup();
}
if (ImGui::BeginPopup("Link Menu")) {
if (ImGui::MenuItem("hex.view.data_processor.menu.remove_link"_lang))
this->eraseLink(this->m_rightClickedId);
ImGui::EndPopup();
}
{
int nodeId;
if (ImNodes::IsNodeHovered(&nodeId) && this->m_currNodeError.has_value() && this->m_currNodeError->first->getID() == nodeId) {
ImGui::BeginTooltip();
ImGui::TextUnformatted("hex.common.error"_lang);
ImGui::Separator();
ImGui::TextUnformatted(this->m_currNodeError->second.c_str());
ImGui::EndTooltip();
}
}
ImNodes::BeginNodeEditor();
for (auto& node : this->m_nodes) {
const bool hasError = this->m_currNodeError.has_value() && this->m_currNodeError->first == node;
if (hasError)
ImNodes::PushColorStyle(ImNodesCol_NodeOutline, 0xFF0000FF);
ImNodes::BeginNode(node->getID());
ImNodes::BeginNodeTitleBar();
ImGui::TextUnformatted(LangEntry(node->getUnlocalizedTitle()));
ImNodes::EndNodeTitleBar();
node->drawNode();
for (auto& attribute : node->getAttributes()) {
ImNodesPinShape pinShape;
switch (attribute.getType()) {
case dp::Attribute::Type::Integer: pinShape = ImNodesPinShape_Circle; break;
case dp::Attribute::Type::Float: pinShape = ImNodesPinShape_Triangle; break;
case dp::Attribute::Type::Buffer: pinShape = ImNodesPinShape_Quad; break;
}
if (attribute.getIOType() == dp::Attribute::IOType::In) {
ImNodes::BeginInputAttribute(attribute.getID(), pinShape);
ImGui::TextUnformatted(LangEntry(attribute.getUnlocalizedName()));
ImNodes::EndInputAttribute();
} else if (attribute.getIOType() == dp::Attribute::IOType::Out) {
ImNodes::BeginOutputAttribute(attribute.getID(), ImNodesPinShape(pinShape + 1));
ImGui::TextUnformatted(LangEntry(attribute.getUnlocalizedName()));
ImNodes::EndOutputAttribute();
}
}
ImNodes::EndNode();
if (hasError)
ImNodes::PopColorStyle();
}
for (const auto &link : this->m_links)
ImNodes::Link(link.getID(), link.getFromID(), link.getToID());
ImNodes::MiniMap(0.2F, ImNodesMiniMapLocation_BottomRight);
ImNodes::EndNodeEditor();
{
int linkId;
if (ImNodes::IsLinkDestroyed(&linkId)) {
this->eraseLink(linkId);
}
}
{
int from, to;
if (ImNodes::IsLinkCreated(&from, &to)) {
do {
dp::Attribute *fromAttr, *toAttr;
for (auto &node : this->m_nodes) {
for (auto &attribute : node->getAttributes()) {
if (attribute.getID() == from)
fromAttr = &attribute;
else if (attribute.getID() == to)
toAttr = &attribute;
}
}
if (fromAttr == nullptr || toAttr == nullptr)
break;
if (fromAttr->getType() != toAttr->getType())
break;
if (fromAttr->getIOType() == toAttr->getIOType())
break;
if (!toAttr->getConnectedAttributes().empty())
break;
auto newLink = this->m_links.emplace_back(from, to);
fromAttr->addConnectedAttribute(newLink.getID(), toAttr);
toAttr->addConnectedAttribute(newLink.getID(), fromAttr);
} while (false);
}
}
{
const int selectedLinkCount = ImNodes::NumSelectedLinks();
if (selectedLinkCount > 0 && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Delete))) {
static std::vector<int> selectedLinks;
selectedLinks.resize(static_cast<size_t>(selectedLinkCount));
ImNodes::GetSelectedLinks(selectedLinks.data());
for (const int id : selectedLinks) {
eraseLink(id);
}
}
}
{
const int selectedNodeCount = ImNodes::NumSelectedNodes();
if (selectedNodeCount > 0 && ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Delete))) {
static std::vector<int> selectedNodes;
selectedNodes.resize(static_cast<size_t>(selectedNodeCount));
ImNodes::GetSelectedNodes(selectedNodes.data());
this->eraseNodes(selectedNodes);
}
}
this->processNodes();
}
ImGui::End();
}
void ViewDataProcessor::drawMenu() {
}
std::string ViewDataProcessor::saveNodes() {
using json = nlohmann::json;
json output;
output["nodes"] = json::object();
for (auto &node : this->m_nodes) {
auto id = node->getID();
auto &currNodeOutput = output["nodes"][std::to_string(id)];
auto pos = ImNodes::GetNodeGridSpacePos(id);
currNodeOutput["type"] = node->getUnlocalizedName();
currNodeOutput["pos"] = { { "x", pos.x }, { "y", pos.y } };
currNodeOutput["attrs"] = json::array();
currNodeOutput["id"] = id;
currNodeOutput["data"] = node->store();
u32 attrIndex = 0;
for (auto &attr : node->getAttributes()) {
currNodeOutput["attrs"][attrIndex] = attr.getID();
attrIndex++;
}
}
output["links"] = json::object();
for (auto &link : this->m_links) {
auto id = link.getID();
auto &currOutput = output["links"][std::to_string(id)];
currOutput["id"] = id;
currOutput["from"] = link.getFromID();
currOutput["to"] = link.getToID();
}
return output.dump();
}
void ViewDataProcessor::loadNodes(std::string_view data) {
using json = nlohmann::json;
json input = json::parse(data);
u32 maxNodeId = 0;
u32 maxAttrId = 0;
u32 maxLinkId = 0;
for (auto &node : this->m_nodes)
delete node;
this->m_nodes.clear();
this->m_endNodes.clear();
this->m_links.clear();
auto &nodeEntries = ContentRegistry::DataProcessorNode::getEntries();
for (auto &node : input["nodes"]) {
dp::Node *newNode = nullptr;
for (auto &entry : nodeEntries) {
if (entry.name == node["type"])
newNode = entry.creatorFunction();
}
if (newNode == nullptr)
continue;
u32 nodeId = node["id"];
maxNodeId = std::max(nodeId, maxNodeId);
newNode->setID(nodeId);
bool hasOutput = false;
bool hasInput = false;
u32 attrIndex = 0;
for (auto &attr : newNode->getAttributes()) {
if (attr.getIOType() == dp::Attribute::IOType::Out)
hasOutput = true;
if (attr.getIOType() == dp::Attribute::IOType::In)
hasInput = true;
u32 attrId = node["attrs"][attrIndex];
maxAttrId = std::max(attrId, maxAttrId);
attr.setID(attrId);
attrIndex++;
}
if (!node["data"].is_null())
newNode->load(node["data"]);
if (hasInput && !hasOutput)
this->m_endNodes.push_back(newNode);
this->m_nodes.push_back(newNode);
ImNodes::SetNodeGridSpacePos(nodeId, ImVec2(node["pos"]["x"], node["pos"]["y"]));
}
for (auto &link : input["links"]) {
dp::Link newLink(link["from"], link["to"]);
u32 linkId = link["id"];
maxLinkId = std::max(linkId, maxLinkId);
newLink.setID(linkId);
this->m_links.push_back(newLink);
dp::Attribute *fromAttr, *toAttr;
for (auto &node : this->m_nodes) {
for (auto &attribute : node->getAttributes()) {
if (attribute.getID() == newLink.getFromID())
fromAttr = &attribute;
else if (attribute.getID() == newLink.getToID())
toAttr = &attribute;
}
}
if (fromAttr == nullptr || toAttr == nullptr)
break;
if (fromAttr->getType() != toAttr->getType())
break;
if (fromAttr->getIOType() == toAttr->getIOType())
break;
if (!toAttr->getConnectedAttributes().empty())
break;
fromAttr->addConnectedAttribute(newLink.getID(), toAttr);
toAttr->addConnectedAttribute(newLink.getID(), fromAttr);
}
SharedData::dataProcessorNodeIdCounter = maxNodeId + 1;
SharedData::dataProcessorAttrIdCounter = maxAttrId + 1;
SharedData::dataProcessorLinkIdCounter = maxLinkId + 1;
}
}