From 602bc38601d6f462440d430ba4d9f2e37a34d3d6 Mon Sep 17 00:00:00 2001
From: praydog <praydog@praydog.com>
Date: Fri, 18 Oct 2024 01:06:08 -0700
Subject: [PATCH] VR: Add Sweep Movement option for Roomscale movement

---
 src/mods/VR.cpp                          | 11 +++++++++++
 src/mods/VR.hpp                          |  5 +++++
 src/mods/vr/FFakeStereoRenderingHook.cpp |  4 +++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/mods/VR.cpp b/src/mods/VR.cpp
index 1431a6ee..24155f7d 100644
--- a/src/mods/VR.cpp
+++ b/src/mods/VR.cpp
@@ -2495,6 +2495,17 @@ void VR::on_draw_sidebar_entry(std::string_view name) {
         if (ImGui::TreeNode("Roomscale Movement")) {
             m_roomscale_movement->draw("Enabled");
 
+            if (ImGui::IsItemHovered()) {
+                ImGui::SetTooltip("When enabled, headset movement will affect the movement of the player character.");
+            }
+
+            ImGui::SameLine();
+            m_roomscale_sweep->draw("Sweep Movement");
+            // Draw description of option
+            if (ImGui::IsItemHovered()) {
+                ImGui::SetTooltip("When enabled, roomscale movement will use a sweep to prevent the player from moving through walls.\nThis also allows physics objects to interact with the player, like doors.");
+            }
+
             ImGui::TreePop();
         }
     }
diff --git a/src/mods/VR.hpp b/src/mods/VR.hpp
index fa4ee266..5917b043 100644
--- a/src/mods/VR.hpp
+++ b/src/mods/VR.hpp
@@ -558,6 +558,10 @@ class VR : public Mod {
         return m_roomscale_movement->value() && !m_aim_temp_disabled;
     }
 
+    bool is_roomscale_sweep_enabled() const {
+        return m_roomscale_sweep->value();
+    }
+
     bool is_dpad_shifting_enabled() const {
         return m_dpad_shifting->value();
     }
@@ -864,6 +868,7 @@ class VR : public Mod {
     const ModToggle::Ptr m_load_blueprint_code{ ModToggle::create(generate_name("LoadBlueprintCode"), false, true) };
     const ModToggle::Ptr m_2d_screen_mode{ ModToggle::create(generate_name("2DScreenMode"), false) };
     const ModToggle::Ptr m_roomscale_movement{ ModToggle::create(generate_name("RoomscaleMovement"), false) };
+    const ModToggle::Ptr m_roomscale_sweep{ ModToggle::create(generate_name("RoomscaleMovementSweep"), true) };
     const ModToggle::Ptr m_swap_controllers{ ModToggle::create(generate_name("SwapControllerInputs"), false) };
     const ModCombo::Ptr m_horizontal_projection_override{ModCombo::create(generate_name("HorizontalProjectionOverride"), s_horizontal_projection_override_names)};
     const ModCombo::Ptr m_vertical_projection_override{ModCombo::create(generate_name("VerticalProjectionOverride"), s_vertical_projection_override_names)};
diff --git a/src/mods/vr/FFakeStereoRenderingHook.cpp b/src/mods/vr/FFakeStereoRenderingHook.cpp
index 22daecbf..b81a2605 100644
--- a/src/mods/vr/FFakeStereoRenderingHook.cpp
+++ b/src/mods/vr/FFakeStereoRenderingHook.cpp
@@ -4322,7 +4322,9 @@ __forceinline void FFakeStereoRenderingHook::calculate_stereo_view_offset(
                     const auto pawn_pos = pawn->get_actor_location();
                     const auto new_pos = pawn_pos - head_offset_flat;
 
-                    pawn->set_actor_location(new_pos, false, false);
+                    // Roomscale sweep option allows the actor to affect the world
+                    // like push doors open, and prevent them from clipping through walls
+                    pawn->set_actor_location(new_pos, vr->is_roomscale_sweep_enabled(), false);
 
                     // Recenter the standing origin
                     auto current_standing_origin = vr->get_standing_origin();