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Codechange: Pass Viewport by reference.

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This means we do not have to care what type of pointer is used.
This commit is contained in:
Peter Nelson
2025-03-27 18:47:46 +00:00
committed by Peter Nelson
parent 70b4beb8e7
commit 8275bbfb87
16 changed files with 215 additions and 215 deletions
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10
src/vehicle.cpp
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@@ -1239,15 +1239,17 @@ void ViewportAddVehicles(DrawPixelInfo *dpi)
* @param y Y coordinate in the viewport.
* @return Closest vehicle, or \c nullptr if none found.
*/
Vehicle *CheckClickOnVehicle(const Viewport *vp, int x, int y)
Vehicle *CheckClickOnVehicle(const Viewport &vp, int x, int y)
{
Vehicle *found = nullptr;
uint dist, best_dist = UINT_MAX;
if ((uint)(x -= vp->left) >= (uint)vp->width || (uint)(y -= vp->top) >= (uint)vp->height) return nullptr;
x -= vp.left;
y -= vp.top;
if (!IsInsideMM(x, 0, vp.width) || !IsInsideMM(y, 0, vp.height)) return nullptr;
x = ScaleByZoom(x, vp->zoom) + vp->virtual_left;
y = ScaleByZoom(y, vp->zoom) + vp->virtual_top;
x = ScaleByZoom(x, vp.zoom) + vp.virtual_left;
y = ScaleByZoom(y, vp.zoom) + vp.virtual_top;
/* Border size of MAX_VEHICLE_PIXEL_xy */
const int xb = MAX_VEHICLE_PIXEL_X * ZOOM_BASE;