| diff --git a/src/content_mapblock.cpp b/src/content_mapblock.cpp | |
| index ad819e7..ff8ef52 100644 | |
| --- a/src/content_mapblock.cpp | |
| +++ b/src/content_mapblock.cpp | |
| @@ -492,15 +492,15 @@ void mapblock_mesh_generate_special(MeshMakeData *data, | |
| // -Z towards +Z, thus the direction is +Z. | |
| // Rotate texture to make animation go in flow direction | |
| // Positive if liquid moves towards +Z | |
| - int dz = (corner_levels[side_corners[2][0]] + | |
| - corner_levels[side_corners[2][1]] < | |
| - corner_levels[side_corners[3][0]] + | |
| - corner_levels[side_corners[3][1]]); | |
| + int dz = (corner_levels[side_corners[3][0]] + | |
| + corner_levels[side_corners[3][1]]) - | |
| + (corner_levels[side_corners[2][0]] + | |
| + corner_levels[side_corners[2][1]]); | |
| // Positive if liquid moves towards +X | |
| - int dx = (corner_levels[side_corners[0][0]] + | |
| - corner_levels[side_corners[0][1]] < | |
| - corner_levels[side_corners[1][0]] + | |
| - corner_levels[side_corners[1][1]]); | |
| + int dx = (corner_levels[side_corners[1][0]] + | |
| + corner_levels[side_corners[1][1]]) - | |
| + (corner_levels[side_corners[0][0]] + | |
| + corner_levels[side_corners[0][1]]); | |
| // -X | |
| if(-dx >= abs(dz)) | |
| { |
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