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IDA/project/SkillHack.cpp

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+#include "SkillHack.h"
+
+#include "HookManager.h"
+#include "helpers.h"
+
+SkillHackModule* SkillHackModule::s_instance_ = nullptr;
+
+SkillHackModule::SkillHackModule()
+    : BaseModule("SkillHack", "Free Skill", ModuleCategory::Player) {
+    s_instance_ = this;
+}
+
+SkillHackModule::~SkillHackModule() {
+    s_instance_ = nullptr;
+}
+
+void SkillHackModule::RegisterTab() {
+}
+
+void SkillHackModule::InstallHooks() {
+    if (hooks_installed_) {
+        return;
+    }
+
+    HookManagerRuntime& hooks = HookManagerRuntime::Instance();
+
+    auto create_and_enable = [&](uintptr_t slot, void* callback, void** tramp_out) {
+        void* target = GetIl2cppSlot(slot);
+        if (!target) {
+            return;
+        }
+        if (hooks.CreateHook(target, callback, tramp_out) == 0) {
+            hooks.EnableHook(target, true);
+        }
+    };
+
+    create_and_enable(IL2CPP::Game_EntityActor_E, reinterpret_cast<void*>(&DispatcherHook), &tramp_dispatch_1_);
+    create_and_enable(IL2CPP::Game_EntityActor_F, reinterpret_cast<void*>(&DispatcherHook), &tramp_dispatch_2_);
+    create_and_enable(IL2CPP::Game_SkillAction_K, reinterpret_cast<void*>(&CooldownBypassHook), &tramp_cooldown_);
+    create_and_enable(IL2CPP::Game_SkillAction_L, reinterpret_cast<void*>(&AvailBypassHook), &tramp_avail_);
+    create_and_enable(IL2CPP::Game_SkillAction_J, reinterpret_cast<void*>(&CostBypassHook), &tramp_cost_);
+    create_and_enable(IL2CPP::Game_EntityActor_D, reinterpret_cast<void*>(&DispatcherHook), &tramp_dispatch_3_);
+
+    hooks_installed_ = true;
+}
+
+void SkillHackModule::Render() {
+    InstallHooks();
+
+    if (!ImGui::CollapsingHeader(Tr("Free Skill"), ImGuiTreeNodeFlags_DefaultOpen)) {
+        return;
+    }
+
+    bool enabled = Enabled();
+    if (ImGui::Checkbox(Tr("ON / OFF"), &enabled)) {
+        SetEnabled(enabled);
+    }
+}
+
+void SkillHackModule::Update() {
+}
+
+BOOL SkillHackModule::DispatcherHook() {
+    if (s_instance_ && s_instance_->Enabled()) {
+        return 1;
+    }
+
+    if (s_instance_ && s_instance_->tramp_dispatch_1_) {
+        auto original = reinterpret_cast<BOOL(*)()>(s_instance_->tramp_dispatch_1_);
+        return original();
+    }
+    return 0;
+}
+
+float SkillHackModule::CooldownBypassHook() {
+    if (s_instance_ && s_instance_->Enabled()) {
+        return 100.0f;
+    }
+
+    if (s_instance_ && s_instance_->tramp_cooldown_) {
+        auto original = reinterpret_cast<float(*)()>(s_instance_->tramp_cooldown_);
+        return original();
+    }
+    return 0.0f;
+}
+
+BOOL SkillHackModule::AvailBypassHook() {
+    if (s_instance_ && s_instance_->Enabled()) {
+        return 1;
+    }
+
+    if (s_instance_ && s_instance_->tramp_avail_) {
+        auto original = reinterpret_cast<BOOL(*)()>(s_instance_->tramp_avail_);
+        return original();
+    }
+    return 0;
+}
+
+void SkillHackModule::CostBypassHook() {
+    if (s_instance_ && s_instance_->Enabled()) {
+        return;
+    }
+
+    if (s_instance_ && s_instance_->tramp_cost_) {
+        auto original = reinterpret_cast<void(*)()>(s_instance_->tramp_cost_);
+        original();
+    }
+}