WIP: [Feature] First Person Body

src/Layers/xrRender/FTreeVisual.cpp

@@ -114,7 +114,7 @@ struct FTreeVisual_setup
     Fvector4 wave;
     Fvector4 wind;
 
-    FTreeVisual_setup(): dwFrame(0), scale(0) {}
+    FTreeVisual_setup(): dwFrame(0), scale(M_MIN_SCALE) {}
 
     void calculate()
     {

src/Layers/xrRender/SkeletonCustom.cpp

@@ -489,17 +489,21 @@ void CKinematics::Release()
 
 void CKinematics::LL_SetBoneVisible(u16 bone_id, BOOL val, BOOL bRecursive)
 {
-    VERIFY(bone_id < LL_BoneCount());
-    u64 mask = u64(1) << bone_id;
-    visimask.set(mask, val);
-    if (!visimask.is(mask))
-    {
-        bone_instances[bone_id].mTransform.scale(0.f, 0.f, 0.f);
-    }
-    else
-    {
-        CalculateBones_Invalidate();
-    }
+	VERIFY(bone_id < LL_BoneCount());
+	if (bone_id >= LL_BoneCount())
+		return;
+	u64 mask = u64(1) << bone_id;
+	visimask.set(mask, val);
+	if (!visimask.is(mask))
+	{
+		bone_instances[bone_id].mTransform.scale(M_MIN_SCALE, M_MIN_SCALE, M_MIN_SCALE);
+		if (LL_GetData(bone_id).GetParentID() < LL_BoneCount() && LL_GetData(bone_id).GetParentID() != BI_NONE)
+			bone_instances[bone_id].mTransform.c = LL_GetBoneInstance(LL_GetData(bone_id).GetParentID()).mTransform.c;
+	}
+	else
+	{
+		CalculateBones_Invalidate();
+	}
     bone_instances[bone_id].mRenderTransform.mul_43(
         bone_instances[bone_id].mTransform, (*bones)[bone_id]->m2b_transform);
     if (bRecursive)
@@ -525,7 +529,7 @@ void CKinematics::LL_SetBonesVisible(u64 mask)
         {
             Fmatrix& A = bone_instances[b].mTransform;
             Fmatrix& B = bone_instances[b].mRenderTransform;
-            A.scale(0.f, 0.f, 0.f);
+            A.scale(M_MIN_SCALE, M_MIN_SCALE, M_MIN_SCALE);
             B.mul_43(A, (*bones)[b]->m2b_transform);
         }
     }

src/Layers/xrRender/r__dsgraph_build.cpp

@@ -815,6 +815,7 @@ void R_dsgraph_structure::build_subspace()
                 IGameObject* O = g_pGameLevel->CurrentViewEntity();
                 if (O)
                 {
+                    O->RenderFirstPersonBody(context_id, O);
                     CROS_impl* R = (CROS_impl*)O->ROS();
                     if (R)
                         R->update(O);

src/Layers/xrRender_R2/r2.cpp

@@ -8,6 +8,7 @@
 #include "Layers/xrRender/SkeletonCustom.h"
 #include "Layers/xrRender/dxWallMarkArray.h"
 #include "Layers/xrRender/dxUIShader.h"
+#include "xrEngine/xr_object.h"
 
 #if defined(USE_DX11)
 #include "Layers/xrRenderDX11/3DFluid/dx113DFluidManager.h"

src/xrCore/_matrix.h

@@ -532,4 +532,6 @@ inline bool _valid(const Fmatrix& m)
 
 extern XRCORE_API Fmatrix Fidentity;
 
+constexpr float M_MIN_SCALE = 0.01f;
+
 #endif

src/xrEngine/CameraManager.cpp

@@ -312,7 +312,7 @@ void CCameraManager::UpdatePPEffectors()
     pp_affected.validate("after applying pp");
 }
 
-void CCameraManager::ApplyDevice()
+void CCameraManager::ApplyDevice(float override_fnear)
 {
     ZoneScoped;
     // Device params
@@ -326,7 +326,7 @@ void CCameraManager::ApplyDevice()
     // projection
     Device.fFOV = m_cam_info.fFov;
     Device.fASPECT = m_cam_info.fAspect;
-    Device.mProject.build_projection(deg2rad(m_cam_info.fFov), m_cam_info.fAspect, m_cam_info.fNear, m_cam_info.fFar);
+    Device.mProject.build_projection(deg2rad(m_cam_info.fFov), m_cam_info.fAspect, !fis_zero(override_fnear) ? override_fnear : m_cam_info.fNear, m_cam_info.fFar);
 
     // Apply offset required for Nvidia Ansel
     Device.mProject._31 = -m_cam_info.offsetX;

src/xrEngine/CameraManager.h

@@ -57,7 +57,7 @@ class ENGINE_API CCameraManager
         float fFAR_Dest, u32 flags);
     void UpdateFromCamera(const CCameraBase* C);
 
-    void ApplyDevice();
+    void ApplyDevice(float override_fnear = 0.0f);
     static void ResetPP();
 
     CCameraManager(bool bApplyOnUpdate);

src/xrEngine/xr_object.h

@@ -308,6 +308,7 @@ class XR_NOVTABLE IGameObject
     virtual void ShouldProcessOnRender(bool should_process) = 0;
     virtual void OnRender() = 0;
 #endif
+    virtual void RenderFirstPersonBody(u32 context_id, IRenderable* root) {};
     virtual void reinit() = 0;
     virtual void reload(pcstr section) = 0;
     // network