add activate_crush_elevator_hack

src/game_api/entities_activefloors.hpp

@@ -155,3 +155,12 @@ class TimedPowderkeg : public PushBlock
     /// timer till explosion, -1 = pause, counts down
     int32_t timer;
 };
+
+class CrushElevator : public Movable
+{
+  public:
+    /// This is custom variable, you need [activate_crush_elevator_hack](#activate_crush_elevator_hack) to use it
+    float y_limit;
+    /// This is custom variable, you need [activate_crush_elevator_hack](#activate_crush_elevator_hack) to use it
+    float speed;
+};

src/game_api/entities_items.hpp

@@ -303,9 +303,9 @@ class Spark : public Flame
     uint8_t size_change_timer;
     uint8_t extra_padding[3];
 
-    /// This is cusome variable, you need [activate_sparktraps_hack](#activate_sparktraps_hack) to use it
+    /// This is custom variable, you need [activate_sparktraps_hack](#activate_sparktraps_hack) to use it
     float speed;
-    /// This is cusome variable, you need [activate_sparktraps_hack](#activate_sparktraps_hack) to use it
+    /// This is custom variable, you need [activate_sparktraps_hack](#activate_sparktraps_hack) to use it
     float distance;
 };
 

src/game_api/entities_monsters.hpp

@@ -796,9 +796,9 @@ class Tiamat : public Monster
     float tail_radian; // Counts from 0 to 2*pi, Used to calculate tail angle
     float tail_move_speed;
     float right_arm_angle;
-    /// This is cusome variable, you need [activate_tiamat_position_hack](#activate_tiamat_position_hack) to use it
+    /// This is custom variable, you need [activate_tiamat_position_hack](#activate_tiamat_position_hack) to use it
     float attack_x;
-    /// This is cusome variable, you need [activate_tiamat_position_hack](#activate_tiamat_position_hack) to use it
+    /// This is custom variable, you need [activate_tiamat_position_hack](#activate_tiamat_position_hack) to use it
     float attack_y;
 };
 

src/game_api/rpc.cpp

@@ -1904,3 +1904,38 @@ void activate_tiamat_position_hack(bool activate)
     else
         recover_mem("activate_tiamat_position_hack");
 }
+
+void activate_crush_elevator_hack(bool activate)
+{
+    auto memory = Memory::get();
+    static size_t offsets[3];
+    if (offsets[0] == 0)
+    {
+        auto func_offset = get_virtual_function_address(VTABLE_OFFSET::ACTIVEFLOOR_CRUSHING_ELEVATOR, 78);
+
+        offsets[0] = find_inst(memory.exe(), "\xF3\x0F\x58\xD0"sv, func_offset, func_offset + 0x80, "activate_crush_elevator_hack");
+        if (offsets[0] == 0)
+            return;
+
+        offsets[0] += 4; // pattern size
+        offsets[1] = find_inst(memory.exe(), "\xEB*\x0F\x57\xD2"sv, offsets[0], offsets[0] + 0xF0, "activate_crush_elevator_hack");
+        if (offsets[1] == 0)
+            return;
+
+        offsets[1] += 5; // pattern size
+        offsets[2] = find_inst(memory.exe(), "\xF3\x0F\x58\xC1"sv, offsets[1], offsets[1] + 0x40, "activate_crush_elevator_hack");
+        if (offsets[2] == 0)
+            return;
+
+        offsets[2] += 4; // pattern size
+    }
+
+    if (activate)
+    {
+        write_mem_recoverable("activate_crush_elevator_hack", memory.at_exe(offsets[0]), "\x0f\x2e\x90\x30\x01\x00\x00"sv, true); // ucomiss xmm2,DWORD PTR [rax+0x130] // limit
+        write_mem_recoverable("activate_crush_elevator_hack", memory.at_exe(offsets[1]), "\xf3\x0f\x10\x9b\x30\x01\x00"sv, true); // movss  xmm3,DWORD PTR [rbx+0x130]  // limit
+        write_mem_recoverable("activate_crush_elevator_hack", memory.at_exe(offsets[2]), "\xf3\x0f\x58\x83\x34\x01\x00"sv, true); // addss  xmm0,DWORD PTR [rbx+0x134]  // speed
+    }
+    else
+        recover_mem("activate_crush_elevator_hack");
+}

src/game_api/rpc.hpp

@@ -140,3 +140,4 @@ void set_ending_unlock(ENT_TYPE type);
 void set_olmec_cutscene_enabled(bool enable);
 void set_tiamat_cutscene_enabled(bool enable);
 void activate_tiamat_position_hack(bool activate);
+void activate_crush_elevator_hack(bool activate);

src/game_api/script/lua_console.cpp

@@ -52,6 +52,7 @@ LuaConsole::LuaConsole(SoundManager* soundmanager)
             {"RegenBlock", "as_movable"},
             {"ThinIce", "as_movable"},
             {"TimedPowderkeg", "as_pushblock"},
+            {"CrushElevator", "as_movable"},
             {"UnchainedSpikeBall", "as_movable"},
             {"WoodenlogTrap", "as_movable"},
             {"BGSurfaceStar", "as_entity"},

src/game_api/script/lua_vm.cpp

@@ -2016,13 +2016,20 @@ end
 
     lua["set_olmec_cutscene_enabled"] = set_olmec_cutscene_enabled;
 
+    /// Tiamat cutscene is also responsible for locking the exit door
+    /// So you may need to close it yourself if you still want to be required to kill Tiamat
     lua["set_tiamat_cutscene_enabled"] = set_tiamat_cutscene_enabled;
 
     /// Activate custom variables for position used for detecting the player (normally hardcoded)
     /// note: because those variables are custom and game does not initiate them, you need to do it yourself for each Tiamat entity, recommending `set_post_entity_spawn`
     /// default game values are: attack_x = 17.5 attack_y = 62.5
     lua["activate_tiamat_position_hack"] = activate_tiamat_position_hack;
 
+    /// Activate custom variables for speed and y coordinate limit for crushing elevator
+    /// note: because those variables are custom and game does not initiate them, you need to do it yourself for each CrushElevator entity, recommending `set_post_entity_spawn`
+    /// default game values are: speed = 0.0125, y_limit = 98.5
+    lua["activate_crush_elevator_hack"] = activate_crush_elevator_hack;
+
     lua.create_named_table("INPUTS", "NONE", 0, "JUMP", 1, "WHIP", 2, "BOMB", 4, "ROPE", 8, "RUN", 16, "DOOR", 32, "MENU", 64, "JOURNAL", 128, "LEFT", 256, "RIGHT", 512, "UP", 1024, "DOWN", 2048);
 
     lua.create_named_table(

src/game_api/script/usertypes/entities_activefloors_lua.cpp

@@ -36,6 +36,7 @@ void register_usertypes(sol::state& lua)
     lua["Entity"]["as_clambase"] = &Entity::as<ClamBase>;
     lua["Entity"]["as_regenblock"] = &Entity::as<RegenBlock>;
     lua["Entity"]["as_timedpowderkeg"] = &Entity::as<TimedPowderkeg>;
+    lua["Entity"]["as_crushelevator"] = &Entity::as<CrushElevator>;
 
     lua.new_usertype<Crushtrap>(
         "Crushtrap",
@@ -200,5 +201,14 @@ void register_usertypes(sol::state& lua)
         &TimedPowderkeg::timer,
         sol::base_classes,
         sol::bases<Entity, Movable, PushBlock>());
+
+    lua.new_usertype<CrushElevator>(
+        "CrushElevator",
+        "y_limit",
+        &CrushElevator::y_limit,
+        "speed",
+        &CrushElevator::speed,
+        sol::base_classes,
+        sol::bases<Entity, Movable>());
 }
 } // namespace NEntitiesActiveFloors

src/game_api/script/usertypes/entity_casting_lua.cpp

@@ -611,7 +611,7 @@ void register_usertypes(sol::state& lua)
     lua["TYPE_MAP"][620] = lua["Entity"]["as_movable"];                // ACTIVEFLOOR_TIAMAT_PLATFORM
     lua["TYPE_MAP"][621] = lua["Entity"]["as_movable"];                // ACTIVEFLOOR_TIAMAT_SHOULDERPLATFORM
     lua["TYPE_MAP"][622] = lua["Entity"]["as_movable"];                // ACTIVEFLOOR_BUBBLE_PLATFORM
-    lua["TYPE_MAP"][623] = lua["Entity"]["as_movable"];                // ACTIVEFLOOR_CRUSHING_ELEVATOR
+    lua["TYPE_MAP"][623] = lua["Entity"]["as_crushelevator"];                // ACTIVEFLOOR_CRUSHING_ELEVATOR
     lua["TYPE_MAP"][624] = lua["Entity"]["as_movable"];                // ACTIVEFLOOR_SHIELD
     lua["TYPE_MAP"][625] = lua["Entity"]["as_regenblock"];             // ACTIVEFLOOR_REGENERATINGBLOCK
     lua["TYPE_MAP"][628] = lua["Entity"]["as_movable"];                // FX_EGGSHIP_SHELL