diff options
Diffstat (limited to 'vehicle_gui.c')
| -rw-r--r-- | vehicle_gui.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/vehicle_gui.c b/vehicle_gui.c index 5832498e8..c83f287ec 100644 --- a/vehicle_gui.c +++ b/vehicle_gui.c @@ -165,6 +165,42 @@ void DrawVehicleProfitButton(Vehicle *v, int x, int y) DrawSprite(SPR_BLOT | ormod, x, y); } +/** Draw the list of available refit options. + * Draw the list and highlight the selected refit option (if any) + * @param *v vehicle(type) to get the refit-options of + * @param sel selected refit cargo-type in the window + * @return the cargo type that is hightlighted, CT_INVALID if none + */ +CargoID DrawVehicleRefitWindow(const Vehicle *v, int sel) +{ + uint32 cmask; + CargoID cid, cargo = CT_INVALID; + int y = 25; +#define show_cargo(ctype) { \ + byte colour = 16; \ + if (sel == 0) { \ + cargo = ctype; \ + colour = 12; \ +} \ + sel--; \ + DrawString(6, y, _cargoc.names_s[ctype], colour); \ + y += 10; \ +} + + /* Check if engine has custom refit or normal ones, and get its bitmasked value. + * Now just and it with the bitmasked available cargo on the current landscape, and + * where the bits are set: those are available */ + cmask = (_engine_refit_masks[v->engine_type] != 0) ? _engine_refit_masks[v->engine_type] : _default_refitmasks[v->type - VEH_Train]; + cmask &= _landscape_global_cargo_mask[_opt_ptr->landscape]; + + /* Check which cargo has been selected from the refit window and draw list */ + for (cid = 0; cmask != 0; cmask >>= 1, cid++) { + if (HASBIT(cmask, 0)) // vehicle is refittable to this cargo + show_cargo(_local_cargo_id_ctype[cid]); + } + return cargo; +} + /************ Sorter functions *****************/ int CDECL GeneralOwnerSorter(const void *a, const void *b) { |