Added AI Physics Cheatcode

Author: KcRobin9

code/midtown/mmcar/car.cpp

@@ -24,12 +24,24 @@ define_dummy_symbol(mmcar_car);
 #include "agi/getdlp.h"
 #include "data7/timer.h"
 #include "mmcity/cullcity.h"
+#include "mmcityinfo/state.h"
 #include "mmcityinfo/vehlist.h"
 #include "mmphysics/joint3dof.h"
 
 #include "playercaraudio.h"
 #include "trailer.h"
 
+static mem::cmd_param PARAM_aiphysics {"aiphysics"};
+
+void mmCar::ApplyAiPhysics()
+{
+    if (!Sim.FrontLeft.OnGround && !Sim.FrontRight.OnGround && !Sim.BackLeft.OnGround && !Sim.BackRight.OnGround)
+    {
+        Sim.ICS.AngularMomentum *= 0.1f;
+        CHEATING = true;
+    }
+}
+
 mmCar::mmCar()
 {
     // FIXME: mmCar is already oversampled by mmPhysicsMGR
@@ -65,6 +77,9 @@ void mmCar::Update()
 
     OverSample.Update();
 
+    if (PARAM_aiphysics && MMSTATE.NetworkStatus == 0)
+        ApplyAiPhysics();
+
 #ifdef ARTS_DEV_BUILD
     f32 elapsed = t.Time();
     mmCar::UpdateTime += elapsed;

code/midtown/mmcar/car.h

@@ -145,6 +145,8 @@ class mmCar final : public mmPhysEntity
     // ?DeclareFields@mmCar@@SAXXZ
     ARTS_IMPORT static void DeclareFields();
 
+    void ApplyAiPhysics();
+
 #ifdef ARTS_DEV_BUILD
     // ?PostUpdateTime@mmCar@@2MA
     ARTS_IMPORT static f32 PostUpdateTime;

docs/setup.md

@@ -36,6 +36,7 @@ For a tutorial on how to use command line arguments, click [here](https://www.bl
 
 | Name       | Value | Description |
 | ---------- | ----- | --- |
+| aiphysics | false | Sets AI-like physics midair
 | allcars    | false | Unlocks All Cars |
 | allrace    | false | Unlocks All Races |
 | maxcops    | 3     | Max cops chasing you at once |