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Fix flowing liquid animation direction calculation

This commit is contained in:
Perttu Ahola 2012-11-02 18:05:42 +02:00
parent 8adad36a66
commit 2863a3291a
1 changed files with 8 additions and 8 deletions
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16
src/content_mapblock.cpp
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@ -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))
{