268 lines
12 KiB
C++
268 lines
12 KiB
C++
#include <hex/api/content_registry.hpp>
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#include <hex/api/localization.hpp>
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#include <hex/helpers/disassembler.hpp>
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#include <hex/helpers/utils.hpp>
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#include <hex/helpers/opengl.hpp>
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#include <imgui.h>
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#include <implot.h>
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#include <imgui_impl_opengl3_loader.h>
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#include <hex/ui/imgui_imhex_extensions.h>
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#include <pl/patterns/pattern.hpp>
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#include <romfs/romfs.hpp>
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#include <numeric>
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namespace hex::plugin::builtin {
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namespace {
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void drawLinePlotVisualizer(pl::ptrn::Pattern &, pl::ptrn::Iteratable &iteratable, bool, const std::vector<pl::core::Token::Literal> &) {
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if (ImPlot::BeginPlot("##plot", ImVec2(400, 250), ImPlotFlags_NoChild | ImPlotFlags_CanvasOnly)) {
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ImPlot::SetupAxes("X", "Y", ImPlotAxisFlags_AutoFit, ImPlotAxisFlags_AutoFit);
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ImPlot::PlotLineG("##line", [](void *data, int idx) -> ImPlotPoint {
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auto &iteratable = *static_cast<pl::ptrn::Iteratable *>(data);
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return { static_cast<double>(idx), pl::core::Token::literalToFloatingPoint(iteratable.getEntry(idx)->getValue()) };
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}, &iteratable, iteratable.getEntryCount());
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ImPlot::EndPlot();
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}
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}
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void drawImageVisualizer(pl::ptrn::Pattern &pattern, pl::ptrn::Iteratable &, bool shouldReset, const std::vector<pl::core::Token::Literal> &) {
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static ImGui::Texture texture;
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if (shouldReset) {
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std::vector<u8> data;
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data.resize(pattern.getSize());
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pattern.getEvaluator()->readData(pattern.getOffset(), data.data(), data.size(), pattern.getSection());
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texture = ImGui::Texture(data.data(), data.size());
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}
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if (texture.isValid())
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ImGui::Image(texture, texture.getSize());
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}
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void drawBitmapVisualizer(pl::ptrn::Pattern &pattern, pl::ptrn::Iteratable &, bool shouldReset, const std::vector<pl::core::Token::Literal> &arguments) {
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static ImGui::Texture texture;
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if (shouldReset) {
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auto width = pl::core::Token::literalToUnsigned(arguments[1]);
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auto height = pl::core::Token::literalToUnsigned(arguments[2]);
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std::vector<u8> data;
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data.resize(width * height * 4);
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pattern.getEvaluator()->readData(pattern.getOffset(), data.data(), data.size(), pattern.getSection());
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texture = ImGui::Texture(data.data(), data.size(), width, height);
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}
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if (texture.isValid())
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ImGui::Image(texture, texture.getSize());
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}
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void drawDisassemblyVisualizer(pl::ptrn::Pattern &pattern, pl::ptrn::Iteratable &, bool shouldReset, const std::vector<pl::core::Token::Literal> &arguments) {
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struct Disassembly {
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u64 address;
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std::vector<u8> bytes;
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std::string instruction;
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};
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static std::vector<Disassembly> disassembly;
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if (shouldReset) {
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auto baseAddress = pl::core::Token::literalToUnsigned(arguments[1]);
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auto architecture = pl::core::Token::literalToUnsigned(arguments[2]);
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auto mode = pl::core::Token::literalToUnsigned(arguments[3]);
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disassembly.clear();
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csh capstone;
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if (cs_open(static_cast<cs_arch>(architecture), static_cast<cs_mode>(mode), &capstone) == CS_ERR_OK) {
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cs_option(capstone, CS_OPT_SKIPDATA, CS_OPT_ON);
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std::vector<u8> data;
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data.resize(pattern.getSize());
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pattern.getEvaluator()->readData(pattern.getOffset(), data.data(), data.size(), pattern.getSection());
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cs_insn *instructions = nullptr;
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size_t instructionCount = cs_disasm(capstone, data.data(), data.size(), baseAddress, 0, &instructions);
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for (size_t i = 0; i < instructionCount; i++) {
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disassembly.push_back({ instructions[i].address, { instructions[i].bytes, instructions[i].bytes + instructions[i].size }, hex::format("{} {}", instructions[i].mnemonic, instructions[i].op_str) });
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}
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cs_free(instructions, instructionCount);
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cs_close(&capstone);
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}
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}
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if (ImGui::BeginTable("##disassembly", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_ScrollY, scaled(ImVec2(0, 300)))) {
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ImGui::TableSetupScrollFreeze(0, 1);
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ImGui::TableSetupColumn("hex.builtin.common.address"_lang);
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ImGui::TableSetupColumn("hex.builtin.common.bytes"_lang);
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ImGui::TableSetupColumn("hex.builtin.common.instruction"_lang);
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ImGui::TableHeadersRow();
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for (auto &entry : disassembly) {
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::TextFormatted("0x{0:08X}", entry.address);
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ImGui::TableNextColumn();
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std::string bytes;
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for (auto byte : entry.bytes)
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bytes += hex::format("{0:02X} ", byte);
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ImGui::TextUnformatted(bytes.c_str());
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ImGui::TableNextColumn();
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ImGui::TextUnformatted(entry.instruction.c_str());
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}
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ImGui::EndTable();
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}
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}
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template<typename T>
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static auto readValues(pl::ptrn::Pattern *pattern){
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std::vector<T> result;
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if (pattern->getSize() == 0)
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return result;
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if (auto iteratable = dynamic_cast<pl::ptrn::Iteratable*>(pattern); iteratable != nullptr) {
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result.reserve(iteratable->getEntryCount());
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iteratable->forEachEntry(0, iteratable->getEntryCount(), [&](u64, pl::ptrn::Pattern *entry) {
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for (auto [offset, child] : entry->getChildren()) {
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child->setOffset(offset);
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T value;
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if (std::floating_point<T>)
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value = pl::core::Token::literalToFloatingPoint(child->getValue());
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else
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value = pl::core::Token::literalToUnsigned(child->getValue());
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result.push_back(value);
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}
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});
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} else {
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result.reserve(pattern->getSize() / sizeof(float));
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pattern->getEvaluator()->readData(pattern->getOffset(), result.data(), result.size() * sizeof(float), pattern->getSection());
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}
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return result;
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};
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void draw3DVisualizer(pl::ptrn::Pattern &, pl::ptrn::Iteratable &, bool shouldReset, const std::vector<pl::core::Token::Literal> &arguments) {
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auto verticesPattern = pl::core::Token::literalToPattern(arguments[1]);
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auto indicesPattern = pl::core::Token::literalToPattern(arguments[2]);
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static ImGui::Texture texture;
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static float scaling = 0.5F;
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static gl::Vector<float, 3> rotation = { { 1.0F, -1.0F, 0.0F } };
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static std::vector<float> vertices, normals;
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static std::vector<u32> indices;
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static gl::Shader shader;
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static gl::VertexArray vertexArray;
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static gl::Buffer<float> vertexBuffer, normalBuffer;
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static gl::Buffer<u32> indexBuffer;
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{
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auto dragDelta = ImGui::GetMouseDragDelta(ImGuiMouseButton_Middle);
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rotation[0] += -dragDelta.y * 0.0075F;
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rotation[1] += -dragDelta.x * 0.0075F;
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ImGui::ResetMouseDragDelta(ImGuiMouseButton_Middle);
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auto scrollDelta = ImGui::GetIO().MouseWheel;
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scaling += scrollDelta * 0.01F;
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if (scaling < 0.01F)
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scaling = 0.01F;
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}
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if (shouldReset) {
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vertices = readValues<float>(verticesPattern);
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indices = readValues<u32>(indicesPattern);
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normals.clear();
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normals.resize(vertices.size());
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for (u32 i = 0; i < normals.size() && normals.size() >= 9; i += 9) {
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auto v1 = gl::Vector<float, 3>({ vertices[i + 0], vertices[i + 1], vertices[i + 2] });
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auto v2 = gl::Vector<float, 3>({ vertices[i + 3], vertices[i + 4], vertices[i + 5] });
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auto v3 = gl::Vector<float, 3>({ vertices[i + 6], vertices[i + 7], vertices[i + 8] });
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auto normal = ((v2 - v1).cross(v3 - v1)).normalize();
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normals[i + 0] = normal[0];
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normals[i + 1] = normal[1];
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normals[i + 2] = normal[2];
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normals[i + 3] = normal[0];
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normals[i + 4] = normal[1];
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normals[i + 5] = normal[2];
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normals[i + 6] = normal[0];
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normals[i + 7] = normal[1];
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normals[i + 8] = normal[2];
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}
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shader = gl::Shader(romfs::get("shaders/default/vertex.glsl").string(), romfs::get("shaders/default/fragment.glsl").string());
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vertexArray = gl::VertexArray();
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vertexArray.bind();
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vertexBuffer = gl::Buffer<float> (gl::BufferType::Vertex, vertices);
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normalBuffer = gl::Buffer<float>(gl::BufferType::Vertex, normals);
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indexBuffer = gl::Buffer<u32>(gl::BufferType::Index, indices);
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vertexArray.addBuffer(0, vertexBuffer);
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vertexArray.addBuffer(1, normalBuffer);
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if (!indices.empty())
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vertexArray.addBuffer(2, indexBuffer);
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vertexBuffer.unbind();
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vertexArray.unbind();
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}
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{
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gl::FrameBuffer frameBuffer;
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gl::Texture renderTexture(512, 512);
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frameBuffer.attachTexture(renderTexture);
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frameBuffer.bind();
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glEnable(GL_DEPTH_TEST);
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shader.bind();
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shader.setUniform("scale", scaling);
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shader.setUniform("rotation", rotation);
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vertexArray.bind();
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glViewport(0, 0, renderTexture.getWidth(), renderTexture.getHeight());
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glClearColor(0.00F, 0.00F, 0.00F, 0.00f);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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if (indices.empty())
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vertexBuffer.draw();
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else
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indexBuffer.draw();
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vertexArray.unbind();
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shader.unbind();
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frameBuffer.unbind();
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texture = ImGui::Texture(renderTexture.release(), renderTexture.getWidth(), renderTexture.getHeight());
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}
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ImGui::Image(texture, texture.getSize(), ImVec2(0, 1), ImVec2(1, 0));
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}
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}
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void registerPatternLanguageVisualizers() {
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ContentRegistry::PatternLanguage::addVisualizer("line_plot", drawLinePlotVisualizer, 0);
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ContentRegistry::PatternLanguage::addVisualizer("image", drawImageVisualizer, 0);
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ContentRegistry::PatternLanguage::addVisualizer("bitmap", drawBitmapVisualizer, 3);
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ContentRegistry::PatternLanguage::addVisualizer("disassembler", drawDisassemblyVisualizer, 4);
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ContentRegistry::PatternLanguage::addVisualizer("3d", draw3DVisualizer, 2);
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}
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} |