Add special case to color gray Warp Zone entities gray

The only reason why gray Warp Zone entities were green originally was
because there is a giant concatenated list of tileset+tilecol
combinations, and by using tileset 3 tilecol 6 you're using the entry
of tileset 4 tilecol 0, which is the green Ship tileset.

So without interfering with the green Ship tileset's entry, I've decided
that the best thing to do is to just add special cases. The enemy color
was easy enough to fix. The platform color was also easy to fix.
However, there exist no existing textures for gray conveyors, so at that
point I decided to just tint the existing green one gray, and then I did
the same for platforms.

desktop_version/src/Entity.cpp

@@ -1163,6 +1163,15 @@ void entityclass::createentity( float xp, float yp, int t, float vx /*= 0*/, flo
     //Rule 4 is a horizontal line, 5 is vertical
     //Rule 6 is a crew member
 
+#if !defined(NO_CUSTOM_LEVELS)
+    // Special case for gray Warp Zone tileset!
+    int room = game.roomx-100 + (game.roomy-100) * ed.maxwidth;
+    bool custom_gray = room >= 0 && room < 400
+    && ed.level[room].tileset == 3 && ed.level[room].tilecol == 6;
+#else
+    bool custom_gray = false;
+#endif
+
     entclass entity;
     entity.xp = xp;
     entity.yp = yp;
@@ -2004,6 +2013,10 @@ void entityclass::createentity( float xp, float yp, int t, float vx /*= 0*/, flo
           }
         }
 
+        if(custom_gray){
+          entity.colour = 18;
+        }
+
         break;
     }
 

desktop_version/src/Graphics.cpp

@@ -1566,6 +1566,15 @@ void Graphics::drawentities()
 
     SDL_Rect drawRect;
 
+#if !defined(NO_CUSTOM_LEVELS)
+    // Special case for gray Warp Zone tileset!
+    int room = game.roomx-100 + (game.roomy-100) * ed.maxwidth;
+    bool custom_gray = room >= 0 && room < 400
+    && ed.level[room].tileset == 3 && ed.level[room].tilecol == 6;
+#else
+    bool custom_gray = false;
+#endif
+
     std::vector<SDL_Surface*> *tilesvec;
     if (map.custommode && !map.finalmode)
     {
@@ -1698,7 +1707,16 @@ void Graphics::drawentities()
                 drawRect.x += tpoint.x;
                 drawRect.y += tpoint.y;
                 drawRect.x += 8 * ii;
-                BlitSurfaceStandard((*tilesvec)[obj.entities[i].drawframe],NULL, backBuffer, &drawRect);
+                if (custom_gray)
+                {
+                    colourTransform temp_ct;
+                    temp_ct.colour = 0xFFFFFFFF;
+                    BlitSurfaceTinted((*tilesvec)[obj.entities[i].drawframe],NULL, backBuffer, &drawRect, temp_ct);
+                }
+                else
+                {
+                    BlitSurfaceStandard((*tilesvec)[obj.entities[i].drawframe],NULL, backBuffer, &drawRect);
+                }
             }
             break;
         }