From 8b83557eb1bdd8fa21bb9f2ec545e2c59cad5497 Mon Sep 17 00:00:00 2001
From: Veloscocity <nuorororo@gmail.com>
Date: Mon, 20 Nov 2023 20:43:44 -0500
Subject: [PATCH] New Effect: Shunt Boost

---
 ChaosMod/ChaosMod.vcxproj                   |  1 +
 ChaosMod/Effects/db/Misc/MiscShuntBoost.cpp | 47 +++++++++++++++++++++
 ConfigApp/Effects.cs                        |  1 +
 3 files changed, 49 insertions(+)
 create mode 100644 ChaosMod/Effects/db/Misc/MiscShuntBoost.cpp

diff --git a/ChaosMod/ChaosMod.vcxproj b/ChaosMod/ChaosMod.vcxproj
index 6d21948f5..8f8a8053d 100644
--- a/ChaosMod/ChaosMod.vcxproj
+++ b/ChaosMod/ChaosMod.vcxproj
@@ -120,6 +120,7 @@
     <ClCompile Include="Effects\db\Misc\MiscNoSky.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscRampJam.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscFakeCrash.cpp" />
+    <ClCompile Include="Effects\db\Misc\MiscShuntBoost.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscSolidProps.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscSpinningProps.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscRandomWaypoint.cpp" />
diff --git a/ChaosMod/Effects/db/Misc/MiscShuntBoost.cpp b/ChaosMod/Effects/db/Misc/MiscShuntBoost.cpp
new file mode 100644
index 000000000..0d608c6af
--- /dev/null
+++ b/ChaosMod/Effects/db/Misc/MiscShuntBoost.cpp
@@ -0,0 +1,47 @@
+#include <stdafx.h>
+
+#define PI 3.14159265
+
+static void OnStart()
+{
+	std::vector<Entity> entities;
+
+	for (Ped ped : GetAllPeds())
+	{
+		if (!IS_PED_IN_ANY_VEHICLE(ped, false))
+			entities.push_back(ped);
+	}
+
+	for (Vehicle veh : GetAllVehs())
+	{
+		entities.push_back(veh);
+	}
+
+	for (Object prop : GetAllProps())
+	{
+		entities.push_back(prop);
+	}
+
+	for (Entity ent : entities)
+	{
+		float rot        = GET_ENTITY_HEADING(ent);
+		Vector3 velocity = GET_ENTITY_VELOCITY(ent);
+		float len        = std::max(velocity.Length(), 3.f);
+		float y          = sin((360 - rot) * PI / 180) * len * 2.5f;
+		float x          = cos((360 - rot) * PI / 180) * len * 2.5f;
+		if (g_Random.GetRandomInt(0, 1))
+			x = -x;
+		else
+			y = -y;
+
+		SET_ENTITY_VELOCITY(ent, velocity.x + x, velocity.y + y, velocity.z);
+	}
+}
+
+// clang-format off
+REGISTER_EFFECT(OnStart, nullptr, nullptr, EffectInfo
+	{
+		.Name = "Shunt Boost",
+		.Id = "misc_shunt_boost"
+	}
+);
\ No newline at end of file
diff --git a/ConfigApp/Effects.cs b/ConfigApp/Effects.cs
index b03e5efe6..bf684ed50 100644
--- a/ConfigApp/Effects.cs
+++ b/ConfigApp/Effects.cs
@@ -415,6 +415,7 @@ public enum EffectTimedType
             { "screen_realfp", new EffectInfo("Real First Person", EffectCategory.Screen, true) },
             { "screen_hueshift", new EffectInfo("Hue Shift", EffectCategory.Screen, true) },
             { "player_copyforce", new EffectInfo("Use The Force", EffectCategory.Player, true, true) },
+            { "misc_shunt_boost", new EffectInfo("Shunt Boost", EffectCategory.Misc) },
         };
     }
 }