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(svn r6764) -Fix (r6758): Wrong height difference calculated because invalid drag-type

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was passed to the function. Thanks peter1138.
This commit is contained in:
Darkvater 2006-10-12 22:11:18 +00:00
parent a78db943e1
commit 22774d093c
1 changed files with 7 additions and 2 deletions
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9
viewport.c
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@ -2294,7 +2294,12 @@ calc_heightdiff_single_direction:;
TileIndex t0 = TileVirtXY(sx, sy);
TileIndex t1 = TileVirtXY(x, y);
uint distance = DistanceManhattan(t0, t1) + 1;
int heightdiff = CalcHeightdiff((_thd.next_drawstyle & HT_DRAG_MASK) | style, 0, t0, t1);
/* With current code passing a HT_LINE style to calculate the height
* difference is enough. However if/when a point-tool is created
* with this method, function should be called with new_style (below)
* instead of HT_LINE | style case HT_POINT is handled specially
* new_style := (_thd.next_drawstyle & HT_RECT) ? HT_LINE | style : _thd.next_drawstyle; */
int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
uint params[2];
params[0] = distance;
@ -2317,12 +2322,12 @@ calc_heightdiff_single_direction:;
TileIndex t1 = TileVirtXY(x, y);
uint dx = abs(TileX(t0) - TileX(t1)) + 1;
uint dy = abs(TileY(t0) - TileY(t1)) + 1;
HighLightStyle style = _thd.next_drawstyle;
int heightdiff;
uint params[3];
/* If dragging an area (eg dynamite tool) and it is actually a single
* row/column, change the type to 'line' to get proper calculation for height */
style = _thd.next_drawstyle;
if (style & HT_RECT) {
if (dx == 1) {
style = HT_LINE | HT_DIR_Y;