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authorbob <276231002@qq.com>2019-09-04 15:03:22 +0800
committerRĂ©mi Verschelde <rverschelde@gmail.com>2019-09-26 08:47:24 +0200
commit943471dd02a94dee108e3586239d72b5baa13174 (patch)
treeeb300cd9405ceb11df6e8614cc6c3ad97bd8ceb3
parent7b433107f52f822bcaac2427008d842091d37a3b (diff)
Fix TileMap world_to_map rounding issue for negative integers
The previous code would fail for negative integer values like -3.0 (would return -4 instead of -3). Fixes #31468.
-rw-r--r--scene/2d/tile_map.cpp14
1 files changed, 8 insertions, 6 deletions
diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index c0c1d8f691..2bfdfd7d02 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -1549,7 +1549,8 @@ Vector2 TileMap::_map_to_world(int p_x, int p_y, bool p_ignore_ofs) const {
ret += get_cell_transform()[1] * (half_offset == HALF_OFFSET_Y ? 0.5 : -0.5);
}
} break;
- default: {
+ case HALF_OFFSET_DISABLED: {
+ // Nothing to do.
}
}
}
@@ -1612,26 +1613,27 @@ Vector2 TileMap::world_to_map(const Vector2 &p_pos) const {
switch (half_offset) {
case HALF_OFFSET_X: {
- if (ret.y > 0 ? int(ret.y) & 1 : (int(ret.y) - 1) & 1) {
+ if (int(floor(ret.y)) & 1) {
ret.x -= 0.5;
}
} break;
case HALF_OFFSET_NEGATIVE_X: {
- if (ret.y > 0 ? int(ret.y) & 1 : (int(ret.y) - 1) & 1) {
+ if (int(floor(ret.y)) & 1) {
ret.x += 0.5;
}
} break;
case HALF_OFFSET_Y: {
- if (ret.x > 0 ? int(ret.x) & 1 : (int(ret.x) - 1) & 1) {
+ if (int(floor(ret.x)) & 1) {
ret.y -= 0.5;
}
} break;
case HALF_OFFSET_NEGATIVE_Y: {
- if (ret.x > 0 ? int(ret.x) & 1 : (int(ret.x) - 1) & 1) {
+ if (int(floor(ret.x)) & 1) {
ret.y += 0.5;
}
} break;
- default: {
+ case HALF_OFFSET_DISABLED: {
+ // Nothing to do.
}
}