From 9118ebe770fcb106679a1ae4acbf8c0f34062026 Mon Sep 17 00:00:00 2001
From: Oleksandr Nemesh <prevter@gmail.com>
Date: Thu, 18 Apr 2024 20:25:35 +0300
Subject: [PATCH] add "Auto Kill"

---
 resources/hacks/level.json               |  4 +
 src/shared/hacks/auto-kill/auto-kill.cpp | 99 ++++++++++++++++++++++++
 src/shared/hacks/auto-kill/auto-kill.hpp | 21 +++++
 3 files changed, 124 insertions(+)
 create mode 100644 src/shared/hacks/auto-kill/auto-kill.cpp
 create mode 100644 src/shared/hacks/auto-kill/auto-kill.hpp

diff --git a/resources/hacks/level.json b/resources/hacks/level.json
index 568ae81..605a66c 100644
--- a/resources/hacks/level.json
+++ b/resources/hacks/level.json
@@ -301,6 +301,10 @@
     {
       "type": "embedded",
       "hack": "smart_startpos"
+    },
+    {
+      "type": "embedded",
+      "hack": "auto_kill"
     }
   ]
 }
diff --git a/src/shared/hacks/auto-kill/auto-kill.cpp b/src/shared/hacks/auto-kill/auto-kill.cpp
new file mode 100644
index 0000000..2424c26
--- /dev/null
+++ b/src/shared/hacks/auto-kill/auto-kill.cpp
@@ -0,0 +1,99 @@
+#include "auto-kill.hpp"
+#include "../../menu/menu.hpp"
+
+namespace openhack::hacks {
+
+    inline float getCurrentPercent(gd::PlayLayer *playLayer) {
+        float percent;
+        auto *level = playLayer->m_level();
+        auto timestamp = level->m_timestamp();
+        if (timestamp > 0) {
+            percent = static_cast<float>(playLayer->m_gameState().m_stepSpeed()) / timestamp * 100.f;
+        } else {
+            percent = playLayer->m_player1()->m_position().x / playLayer->m_levelLength() * 100.f;
+        }
+
+        if (percent >= 100.f) return 100.f;
+        else if (percent <= 0.f) return 0.f;
+        else return percent;
+    }
+
+    void AutoKill::onInit() {
+        // Set the default value
+        config::setIfEmpty("hack.auto_kill.enabled", false);
+        config::setIfEmpty("hack.auto_kill.use_percentage", true);
+        config::setIfEmpty("hack.auto_kill.percentage", 75.0f);
+        config::setIfEmpty("hack.auto_kill.use_time", false);
+        config::setIfEmpty("hack.auto_kill.time", 90.0f);
+
+        // Initialize keybind
+        menu::keybinds::setKeybindCallback("auto_kill.enabled", []() {
+            bool enabled = !config::get<bool>("hack.auto_kill.enabled");
+            config::set("hack.auto_kill.enabled", enabled);
+        });
+    }
+
+    void AutoKill::onDraw() {
+        gui::callback([]() {
+            gui::tooltip("Kills the player at a certain time/percentage.");
+            menu::keybinds::addMenuKeybind("auto_kill.enabled", "Auto Kill", []() {
+                bool enabled = !config::get<bool>("hack.auto_kill.enabled", false);
+                config::set("hack.auto_kill.enabled", enabled);
+            });
+        });
+        gui::toggleSetting("Auto Kill", "hack.auto_kill.enabled", []() {
+            gui::width(120);
+
+            gui::checkbox("Use Percentage", "hack.auto_kill.use_percentage");
+            gui::inputFloat("Percentage", "hack.auto_kill.percentage", 0.f, 100.f, "%.1f%%");
+            gui::tooltip("The percentage at which the player will be killed");
+
+            gui::checkbox("Use time", "hack.auto_kill.use_time");
+            gui::inputFloat("Time", "hack.auto_kill.time", 0.f, FLT_MAX, "%.2f sec");
+            gui::tooltip("Time since the start of the level at which the player will be killed");
+
+            gui::width();
+        }, ImVec2(0, 0), 150);
+    }
+
+    void AutoKill::killPlayer() {
+        auto *playLayer = gd::PlayLayer::get();
+        if (playLayer == nullptr) return;
+
+        // Toggle noclip off to make sure the player dies
+        hacks::getHack("level.noclip")->applyPatch(false);
+        auto *player = playLayer->m_player1();
+        if (player != nullptr && !player->m_isDead()) {
+            playLayer->destroyPlayer(player, player);
+        }
+        hacks::getHack("level.noclip")->applyPatch();
+    }
+
+    void AutoKill::update() {
+        if (!config::get<bool>("hack.auto_kill.enabled", false)) return;
+
+        // Get PlayLayer
+        auto *playLayer = gd::PlayLayer::get();
+        if (playLayer == nullptr) return;
+
+        float percentage = getCurrentPercent(playLayer);
+        double time = playLayer->m_dTime();
+
+        bool checkPercentage = config::get<bool>("hack.auto_kill.use_percentage");
+        bool checkTime = config::get<bool>("hack.auto_kill.use_time");
+        bool kill = false;
+
+        if (checkPercentage) {
+            auto deathPercentage = config::get<float>("hack.auto_kill.percentage");
+            kill |= percentage >= deathPercentage;
+        }
+
+        if (checkTime) {
+            auto deathTime = config::get<float>("hack.auto_kill.time");
+            kill |= time >= deathTime;
+        }
+
+        if (kill) killPlayer();
+    }
+
+}
\ No newline at end of file
diff --git a/src/shared/hacks/auto-kill/auto-kill.hpp b/src/shared/hacks/auto-kill/auto-kill.hpp
new file mode 100644
index 0000000..4b8757c
--- /dev/null
+++ b/src/shared/hacks/auto-kill/auto-kill.hpp
@@ -0,0 +1,21 @@
+#pragma once
+
+#include "../hacks.hpp"
+
+namespace openhack::hacks {
+
+    /// @brief Kills the player at a certain time/percentage.
+    class AutoKill : public EmbeddedHack {
+    public:
+        AutoKill() : EmbeddedHack("Auto Kill", "auto_kill") {}
+
+        void onInit() override;
+        void onDraw() override;
+        void update() override;
+        bool isCheating() override { return false; }
+
+        /// @brief Kills the player if exists
+        static void killPlayer();
+    };
+
+}
\ No newline at end of file