Add bounce off walls toggle (#6110)

soh/soh/Enhancements/ExtraModes/BounceOffWalls.cpp

@@ -0,0 +1,24 @@
+#include <libultraship/bridge.h>
+#include "soh/Enhancements/game-interactor/GameInteractor_Hooks.h"
+#include "soh/ShipInit.hpp"
+
+extern "C" {
+#include "macros.h"
+#include "functions.h"
+extern PlayState* gPlayState;
+}
+
+#define CVAR_BOUNCE_OFF_WALLS_NAME CVAR_ENHANCEMENT("BounceOffWalls")
+#define CVAR_BOUNCE_OFF_WALLS_VALUE CVarGetInteger(CVAR_BOUNCE_OFF_WALLS_NAME, 0)
+
+static RegisterShipInitFunc initFunc(
+    []() {
+        COND_HOOK(OnPlayerUpdate, CVAR_BOUNCE_OFF_WALLS_VALUE, []() {
+            Player* player = GET_PLAYER(gPlayState);
+            if (player->actor.bgCheckFlags & 0x08 && ABS(player->linearVelocity) > 15.0f) {
+                player->yaw = ((player->actor.wallYaw - player->yaw) + player->actor.wallYaw) - 0x8000;
+                Player_PlaySfx(&player->actor, NA_SE_PL_BODY_HIT);
+            }
+        });
+    },
+    { CVAR_BOUNCE_OFF_WALLS_NAME });

soh/soh/SohGui/SohMenuEnhancements.cpp

@@ -1555,6 +1555,11 @@ void SohMenu::AddMenuEnhancements() {
     AddSidebarEntry("Enhancements", path.sidebarName, 3);
     path.column = SECTION_COLUMN_1;
 
+    AddWidget(path, "Bounce off Walls", WIDGET_CVAR_CHECKBOX)
+        .CVar(CVAR_ENHANCEMENT("BounceOffWalls"))
+        .Options(
+            CheckboxOptions().Tooltip("Allows Link to bounce off walls when linear velocity is high enough, this is "
+                                      "relevant when frequently being knocked back by traps, CC, or in Anchor."));
     AddWidget(path, "Mirrored World", WIDGET_CVAR_COMBOBOX)
         .CVar(CVAR_ENHANCEMENT("MirroredWorldMode"))
         .Options(