Re-implement Translucency for building animations, fix bug in handling of alpha in object renderer

Author: Rampastring

src/TSMapEditor/Rendering/ObjectRenderers/BuildingRenderer.cs

@@ -523,6 +523,22 @@ private void DrawAnimationImage(Structure gameObject, Animation animation, Shape
             if (!isBelowBuilding)
                 depthRectangle += GetDepthAddition(gameObject);
 
+            switch (animation.AnimType.ArtConfig.Translucency)
+            {
+                default:
+                case 0:
+                    break;
+                case 25:
+                    color = color with { A = 192 };
+                    break;
+                case 50:
+                    color = color with { A = 128 };
+                    break;
+                case 75:
+                    color = color with { A = 64 };
+                    break;
+            }
+
             RenderFrame(gameObject, frame, remapFrame, color, drawRemap, remapColor,
                 drawingBounds, image.GetPaletteTexture(), lighting, depthRectangle);
         }

src/TSMapEditor/Rendering/ObjectRenderers/ObjectRenderer.cs

@@ -495,7 +495,7 @@ protected void RenderFrame(T gameObject, PositionedTexture frame, PositionedText
         {
             color = new Color((color.R / 255.0f) * lightingColor.X / 2f,
                 (color.B / 255.0f) * lightingColor.Y / 2f,
-                (color.B / 255.0f) * lightingColor.Z / 2f, color.A);
+                (color.B / 255.0f) * lightingColor.Z / 2f, color.A / 255.0f);
 
             RenderDependencies.ObjectSpriteRecord.AddGraphicsEntry(new ObjectSpriteEntry(paletteTexture, frame, drawingBounds, color, false, false, depthRectangle));
 
@@ -505,7 +505,7 @@ protected void RenderFrame(T gameObject, PositionedTexture frame, PositionedText
                     (remapColor.R / 255.0f),
                     (remapColor.G / 255.0f),
                     (remapColor.B / 255.0f),
-                    color.A);
+                    color.A / 255.0f);
 
                 RenderDependencies.ObjectSpriteRecord.AddGraphicsEntry(new ObjectSpriteEntry(paletteTexture, remapFrame, drawingBounds, remapColor, true, false, depthRectangle + Constants.DepthEpsilon));
             }