fix transparency values, values are from 0-32, not 0-16 where the top bit disables

Src/Graphics/New3D/New3D.cpp

@@ -961,13 +961,8 @@ void CNew3D::CacheModel(Model *m, const UINT32 *data)
 			}
 		}
 
-		if ((ph.header[6] & 0x00800000)) {	// if set, polygon is opaque
-			p.faceColour[3] = 1.0f;
-		}
-		else {
-			p.faceColour[3] = ph.Transparency() / 255.f;
-		}
-		
+		p.faceColour[3] = ph.Transparency() / 255.f;
+				
 		// if we have flat shading, we can't re-use normals from shared vertices
 		for (i = 0; i < p.number && !ph.SmoothShading(); i++) {
 			p.v[i].normal[0] = p.faceNormal[0];

Src/Graphics/New3D/PolyHeader.cpp

@@ -310,7 +310,7 @@ bool PolyHeader::AlphaTest()
 
 UINT8 PolyHeader::Transparency()
 {
-	return (UINT8)(((header[6] >> 18) & 0x1F)  * 255.f / 0x1F);	
+	return (UINT8)((((header[6] >> 18) & 0x3F) * 255) / 32.f);	
 }
 
 bool PolyHeader::PolyAlpha()

Src/Graphics/New3D/PolyHeader.h

@@ -60,8 +60,7 @@ xxxxxxxx xxxxxxxx xxxxxxxx --------		Specular color ?
 0x06: 
 x------- -------- -------- --------		Alpha testing / contour
 -xxxxxxx -------- -------- --------		Translator map offset?
--------- x------- -------- --------		1 = disable transparency
--------- -xxxxx-- -------- --------		Polygon translucency (0 = fully transparent)
+-------- xxxxxx-- -------- --------		Polygon transparency 0-32
 -------- ------x- -------- --------		Translucency pattern select (stipple alpha) - not sure if used?
 -------- -------x -------- --------		1 = disable lighting
 -------- -------- xxxxx--- --------		Polygon light modifier(Amount that a luminous polygon will burn through fog. Valid range is 0.0 to 1.0. 0.0 is completely fogged; 1.0 has no fog.)