From 859516b55c77799d056031970f372063fe46f41b Mon Sep 17 00:00:00 2001
From: SkyLoaderr <skyloader1@mail.ru>
Date: Wed, 10 Oct 2018 17:52:24 +0300
Subject: [PATCH] Replaced D3DPT_TRIANGLEFAN with D3DPT_TRIANGLELIST in Portal
 class

---
 src/Layers/xrRender/r__sector.cpp | 49 ++++++++++++++++++-------------
 1 file changed, 28 insertions(+), 21 deletions(-)

diff --git a/src/Layers/xrRender/r__sector.cpp b/src/Layers/xrRender/r__sector.cpp
index 206ef9a7936..95ba93a1d40 100644
--- a/src/Layers/xrRender/r__sector.cpp
+++ b/src/Layers/xrRender/r__sector.cpp
@@ -33,40 +33,47 @@ void CPortal::OnRender()
     {
         VERIFY(poly.size());
         // draw rect
-        static xr_vector<FVF::L> V;
-        V.resize(poly.size() + 2);
-        Fvector C = {0, 0, 0};
-        for (u32 k = 0; k < poly.size(); k++)
-        {
-            C.add(poly[k]);
-            V[k + 1].set(poly[k], 0x800000FF);
-        }
-        V.back().set(poly[0], 0x800000FF);
-        C.div((float)poly.size());
-        V[0].set(C, 0x800000FF);
+        xr_vector<FVF::L> V; V.resize(poly.size()*3);
+		Fvector vCenter = { 0.0f, 0.0f, 0.0f };
+		const u32 uPortalColor = 0x800000FF;
+		for (u32 k = 0; k < poly.size(); k++)
+		{
+			vCenter.add(poly[k]);
+
+			V[k*3+1].set(poly[k], uPortalColor);
+			if (k+1 == poly.size())
+				V[k*3+2].set(poly[0], uPortalColor);
+			else
+				V[k*3+2].set(poly[k+1], uPortalColor);
+		}
+		vCenter.div((float)poly.size());
+
+		for (u32 k = 0; k < poly.size(); k++)
+			V[k*3].set(vCenter, uPortalColor);
 
         RCache.set_xform_world(Fidentity);
         // draw solid
-        RCache.set_Shader(RImplementation.m_SelectionShader);
-        RCache.dbg_Draw(D3DPT_TRIANGLEFAN, &*V.begin(), V.size() - 2);
+        RCache.set_Shader	(RImplementation.m_SelectionShader);
+        RCache.dbg_Draw		(D3DPT_TRIANGLELIST,&*V.begin(),V.size()/3);
 
         // draw wire
+		V.resize(poly.size()+1); //skyloader: change vertex array for wire
+		for (u32 k = 0; k < poly.size(); k++)
+			V[k].set(poly[k], uPortalColor);
+		V.back().set(poly[0], uPortalColor);
+        
         if (bDebug)
         {
             RImplementation.rmNear();
-        }
-        else
-        {
+        } else {
             Device.SetNearer(TRUE);
         }
-        RCache.set_Shader(RImplementation.m_WireShader);
-        RCache.dbg_Draw(D3DPT_LINESTRIP, &*(V.begin() + 1), V.size() - 2);
+        RCache.set_Shader	(RImplementation.m_WireShader);
+        RCache.dbg_Draw		(D3DPT_LINESTRIP,&*V.begin(),V.size()-1);
         if (bDebug)
         {
             RImplementation.rmNormal();
-        }
-        else
-        {
+        } else {
             Device.SetNearer(FALSE);
         }
     }