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IDA/project/FreeCam.cpp

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+#include "FreeCam.h"
+
+#include "helpers.h"
+
+#include <cstdio>
+
+FreeCamModule::FreeCamModule()
+    : BaseModule("FreeCam", "Free Camera", ModuleCategory::Visual) {}
+
+void FreeCamModule::RegisterTab() {
+    keys_.toggle = VK_OEM_3;
+}
+
+const char* FreeCamModule::KeyName(int vk) {
+    static thread_local char name[64];
+    if (vk <= 0) {
+        return "NONE";
+    }
+
+    UINT scan = MapVirtualKeyA(static_cast<UINT>(vk), MAPVK_VK_TO_VSC);
+    LONG lp = static_cast<LONG>(scan << 16);
+    if (GetKeyNameTextA(lp, name, static_cast<int>(sizeof(name))) > 0) {
+        return name;
+    }
+    return "NONE";
+}
+
+void FreeCamModule::Render() {
+    if (!ImGui::CollapsingHeader(Tr("Free Camera"), ImGuiTreeNodeFlags_DefaultOpen)) {
+        return;
+    }
+
+    bool enabled = Enabled();
+    if (ImGui::Checkbox(Tr("ON / OFF"), &enabled)) {
+        SetEnabled(enabled);
+        if (!enabled) {
+            active_cam_ptr_ = nullptr;
+            override_cam_ptr_ = nullptr;
+            cam_override_active_ = false;
+        }
+    }
+
+    if (!Enabled()) {
+        return;
+    }
+
+    ImGui::DragFloat(Tr("Move Speed"), &move_speed_, 0.1f, 0.1f, 500.0f, "%.3f");
+    ImGui::DragFloat(Tr("Look Sensitivity"), &look_sensitivity_, 0.1f, 0.1f, 500.0f, "%.3f");
+    ImGui::DragFloat(Tr("Roll Speed"), &roll_speed_, 0.1f, 0.1f, 100.0f, "%.3f");
+    ImGui::DragFloat(Tr("FOV Speed"), &fov_speed_, 0.1f, 0.1f, 100.0f, "%.3f");
+    ImGui::DragFloat(Tr("FOV"), &fov_value_, 0.1f, 1.0f, 179.0f, "%.1f");
+
+    char row[96];
+    std::snprintf(row, sizeof(row), "Forward Key: %s", KeyName(keys_.forward));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "Backward Key: %s", KeyName(keys_.backward));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "Left Key: %s", KeyName(keys_.left));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "Right Key: %s", KeyName(keys_.right));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "Up Key: %s", KeyName(keys_.up));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "Down Key: %s", KeyName(keys_.down));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "IncFOV Key: %s", KeyName(keys_.inc_fov));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "DecFOV Key: %s", KeyName(keys_.dec_fov));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "LeftRoll Key: %s", KeyName(keys_.left_roll));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "RightRoll Key: %s", KeyName(keys_.right_roll));
+    ImGui::TextUnformatted(row);
+    std::snprintf(row, sizeof(row), "ResetRoll Key: %s", KeyName(keys_.reset_roll));
+    ImGui::TextUnformatted(row);
+}
+
+void FreeCamModule::Update() {
+    if (!Enabled()) {
+        return;
+    }
+
+    using FnCameraMain = void* (*)(void*);
+    using FnGetTransform = void* (*)(void*);
+    using FnGetPosition = Vec3* (*)(void*);
+    using FnSetPosition = void (*)(void*, Vec3*);
+
+    auto camera_main = GetIl2cppFn<FnCameraMain>(IL2CPP::Camera_get_main);
+    auto get_transform = GetIl2cppFn<FnGetTransform>(IL2CPP::GameObject_get_transform);
+    auto get_position = GetIl2cppFn<FnGetPosition>(IL2CPP::Transform_get_position);
+    auto set_position = GetIl2cppFn<FnSetPosition>(IL2CPP::Transform_set_position);
+    if (!camera_main || !get_transform || !get_position || !set_position) {
+        return;
+    }
+
+    void* camera = camera_main(nullptr);
+    if (!camera) {
+        return;
+    }
+    void* transform = get_transform(camera);
+    if (!transform) {
+        return;
+    }
+
+    Vec3 pos = {};
+    Vec3* pos_ptr = get_position(transform);
+    if (!pos_ptr) {
+        return;
+    }
+    pos = *pos_ptr;
+
+    const float dt = ImGui::GetIO().DeltaTime;
+    const float speed = move_speed_ * dt;
+
+    if (GetAsyncKeyState(keys_.forward) & 0x8000) pos.z += speed;
+    if (GetAsyncKeyState(keys_.backward) & 0x8000) pos.z -= speed;
+    if (GetAsyncKeyState(keys_.left) & 0x8000) pos.x -= speed;
+    if (GetAsyncKeyState(keys_.right) & 0x8000) pos.x += speed;
+    if (GetAsyncKeyState(keys_.up) & 0x8000) pos.y += speed;
+    if (GetAsyncKeyState(keys_.down) & 0x8000) pos.y -= speed;
+
+    set_position(transform, &pos);
+    active_cam_ptr_ = camera;
+    cam_override_active_ = true;
+}
+
+void FreeCamModule::OnHotkey() {
+    if (IsKeyPressedOnce(keys_.toggle)) {
+        SetEnabled(!Enabled());
+    }
+}