Improved rendering precision

kaczy93 · Jan 30, 2025 · 35d401f · 35d401f
1 parent dc5047d
commit 35d401f
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Showing 2 changed files with 15 additions and 19 deletions.
diff --git a/CentrED/Map/LandObject.cs b/CentrED/Map/LandObject.cs
@@ -114,14 +114,11 @@ public void UpdateId(ushort newId)
 
         Texture = spriteInfo.Texture;
         var bounds = spriteInfo.UV;
-
-
-        float onePixel = Math.Max(1.0f / Texture.Width, Epsilon.value);
-
-        var texX = bounds.X / (float)Texture.Width + onePixel / 2f;
-        var texY = bounds.Y / (float)Texture.Height + onePixel / 2f;
-        var texWidth = bounds.Width / (float)Texture.Width - onePixel;
-        var texHeight = bounds.Height / (float)Texture.Height - onePixel;
+
+        var texX = bounds.X / (float)Texture.Width + Epsilon.value;
+        var texY = bounds.Y / (float)Texture.Height + Epsilon.value;
+        var texWidth = bounds.Width / (float)Texture.Width - Epsilon.value;
+        var texHeight = bounds.Height / (float)Texture.Height - Epsilon.value;
 
         var texCoords = new Vector3[4];
         var applyLightingFlag = useTexMap ? 0.00001f : 0f;

diff --git a/CentrED/Map/StaticObject.cs b/CentrED/Map/StaticObject.cs
@@ -55,11 +55,10 @@ public void UpdateId(ushort newId)
         Texture = spriteInfo.Texture;
         TextureBounds = spriteInfo.UV;
 
-        float onePixel = Math.Max(1.0f / Texture.Width, Epsilon.value);
-        var texX = TextureBounds.X / (float)Texture.Width + onePixel / 2f;
-        var texY = TextureBounds.Y / (float)Texture.Height + onePixel / 2f;
-        var texWidth = TextureBounds.Width / (float)Texture.Width - onePixel;
-        var texHeight = TextureBounds.Height / (float)Texture.Height - onePixel;
+        var texX = TextureBounds.X / (float)Texture.Width;
+        var texY = TextureBounds.Y / (float)Texture.Height;
+        var texWidth = TextureBounds.Width / (float)Texture.Width;
+        var texHeight = TextureBounds.Height / (float)Texture.Height;
 
         Vertices[0].Texture = new Vector3(texX, texY, 0f);
         Vertices[1].Texture = new Vector3(texX + texWidth, texY, 0f);
@@ -84,13 +83,13 @@ public void UpdatePos(ushort newX, ushort newY, sbyte newZ)
         var posX = newX * TILE_SIZE;
         var posY = newY * TILE_SIZE;
         var posZ = flatStatics ? 0 : newZ * TILE_Z_SCALE;
+
+        float halfProjectedWidth = TextureBounds.Width * 0.5f * RSQRT2;
 
-        var projectedWidth = (TextureBounds.Width / 2f) * RSQRT2;
-
-        Vertices[0].Position = new Vector3(posX - projectedWidth, posY + projectedWidth, posZ + TextureBounds.Height);
-        Vertices[1].Position = new Vector3(posX + projectedWidth, posY - projectedWidth, posZ + TextureBounds.Height);
-        Vertices[2].Position = new Vector3(posX - projectedWidth, posY + projectedWidth, posZ);
-        Vertices[3].Position = new Vector3(posX + projectedWidth, posY - projectedWidth, posZ);
+        Vertices[0].Position = new Vector3(posX - halfProjectedWidth, posY + halfProjectedWidth, posZ + TextureBounds.Height);
+        Vertices[1].Position = new Vector3(posX + halfProjectedWidth, posY - halfProjectedWidth, posZ + TextureBounds.Height);
+        Vertices[2].Position = new Vector3(posX - halfProjectedWidth, posY + halfProjectedWidth, posZ);
+        Vertices[3].Position = new Vector3(posX + halfProjectedWidth, posY - halfProjectedWidth, posZ);
     }
 
     public void UpdateHue(ushort newHue)