build_vehicle_gui.cpp

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00001 /* $Id: build_vehicle_gui.cpp 14269 2008-09-07 22:14:48Z rubidium $ */
00002 
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "train.h"
00008 #include "roadveh.h"
00009 #include "ship.h"
00010 #include "aircraft.h"
00011 #include "debug.h"
00012 #include "gui.h"
00013 #include "articulated_vehicles.h"
00014 #include "textbuf_gui.h"
00015 #include "station.h"
00016 #include "command_func.h"
00017 #include "engine.h"
00018 #include "player_func.h"
00019 #include "depot.h"
00020 #include "airport.h"
00021 #include "vehicle_gui.h"
00022 #include "newgrf_engine.h"
00023 #include "cargotype.h"
00024 #include "group.h"
00025 #include "road_map.h"
00026 #include "strings_func.h"
00027 #include "window_func.h"
00028 #include "date_func.h"
00029 #include "vehicle_func.h"
00030 #include "settings_type.h"
00031 #include "gfx_func.h"
00032 #include "widgets/dropdown_func.h"
00033 
00034 #include "table/sprites.h"
00035 #include "table/strings.h"
00036 
00037 struct buildvehicle_d {
00038   VehicleType vehicle_type;
00039   union {
00040     RailTypeByte railtype;
00041     AirportFTAClass::Flags flags;
00042     RoadTypes roadtypes;
00043   } filter;
00044   byte sel_index;  
00045   bool descending_sort_order;
00046   byte sort_criteria;
00047   bool regenerate_list;
00048   EngineID sel_engine;
00049   EngineID rename_engine;
00050   EngineList eng_list;
00051 };
00052 assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(buildvehicle_d));
00053 
00054 enum BuildVehicleWidgets {
00055   BUILD_VEHICLE_WIDGET_CLOSEBOX = 0,
00056   BUILD_VEHICLE_WIDGET_CAPTION,
00057   BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING,
00058   BUILD_VEHICLE_WIDGET_SORT_DROPDOWN,
00059   BUILD_VEHICLE_WIDGET_LIST,
00060   BUILD_VEHICLE_WIDGET_SCROLLBAR,
00061   BUILD_VEHICLE_WIDGET_PANEL,
00062   BUILD_VEHICLE_WIDGET_BUILD,
00063   BUILD_VEHICLE_WIDGET_RENAME,
00064   BUILD_VEHICLE_WIDGET_RESIZE,
00065   BUILD_VEHICLE_WIDGET_END
00066 };
00067 
00068 static const Widget _build_vehicle_widgets[] = {
00069   {   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                STR_018B_CLOSE_WINDOW },
00070   {    WWT_CAPTION,  RESIZE_RIGHT,    14,    11,   239,     0,    13, 0x0,                     STR_018C_WINDOW_TITLE_DRAG_THIS },
00071   { WWT_PUSHTXTBTN,   RESIZE_NONE,    14,     0,    80,    14,    25, STR_SORT_BY,             STR_SORT_ORDER_TIP},
00072   {   WWT_DROPDOWN,  RESIZE_RIGHT,    14,    81,   239,    14,    25, 0x0,                     STR_SORT_CRITERIA_TIP},
00073   {     WWT_MATRIX,     RESIZE_RB,    14,     0,   227,    26,    39, 0x101,                   STR_NULL },
00074   {  WWT_SCROLLBAR,    RESIZE_LRB,    14,   228,   239,    26,    39, 0x0,                     STR_0190_SCROLL_BAR_SCROLLS_LIST },
00075   {      WWT_PANEL,    RESIZE_RTB,    14,     0,   239,    40,   161, 0x0,                     STR_NULL },
00076 
00077   { WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   114,   162,   173, 0x0,                     STR_NULL },
00078   { WWT_PUSHTXTBTN,    RESIZE_RTB,    14,   115,   227,   162,   173, 0x0,                     STR_NULL },
00079   {  WWT_RESIZEBOX,   RESIZE_LRTB,    14,   228,   239,   162,   173, 0x0,                     STR_RESIZE_BUTTON },
00080   {   WIDGETS_END},
00081 };
00082 
00083 /* Setup widget strings to fit the different types of vehicles */
00084 static void SetupWindowStrings(Window *w, VehicleType type)
00085 {
00086   switch (type) {
00087     default: NOT_REACHED();
00088 
00089     case VEH_TRAIN:
00090       w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = STR_JUST_STRING;
00091       w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_8843_TRAIN_VEHICLE_SELECTION;
00092       w->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_881F_BUILD_VEHICLE;
00093       w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_8844_BUILD_THE_HIGHLIGHTED_TRAIN;
00094       w->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_8820_RENAME;
00095       w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_8845_RENAME_TRAIN_VEHICLE_TYPE;
00096       break;
00097 
00098     case VEH_ROAD:
00099       w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = STR_9006_NEW_ROAD_VEHICLES;
00100       w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_9026_ROAD_VEHICLE_SELECTION;
00101       w->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_9007_BUILD_VEHICLE;
00102       w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_9027_BUILD_THE_HIGHLIGHTED_ROAD;
00103       w->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_9034_RENAME;
00104       w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_9035_RENAME_ROAD_VEHICLE_TYPE;
00105       break;
00106 
00107     case VEH_SHIP:
00108       w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = STR_9808_NEW_SHIPS;
00109       w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_9825_SHIP_SELECTION_LIST_CLICK;
00110       w->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_9809_BUILD_SHIP;
00111       w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_9826_BUILD_THE_HIGHLIGHTED_SHIP;
00112       w->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_9836_RENAME;
00113       w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_9837_RENAME_SHIP_TYPE;
00114       break;
00115 
00116     case VEH_AIRCRAFT:
00117       w->widget[BUILD_VEHICLE_WIDGET_CAPTION].data    = STR_A005_NEW_AIRCRAFT;
00118       w->widget[BUILD_VEHICLE_WIDGET_LIST].tooltips   = STR_A025_AIRCRAFT_SELECTION_LIST;
00119       w->widget[BUILD_VEHICLE_WIDGET_BUILD].data      = STR_A006_BUILD_AIRCRAFT;
00120       w->widget[BUILD_VEHICLE_WIDGET_BUILD].tooltips  = STR_A026_BUILD_THE_HIGHLIGHTED_AIRCRAFT;
00121       w->widget[BUILD_VEHICLE_WIDGET_RENAME].data     = STR_A037_RENAME;
00122       w->widget[BUILD_VEHICLE_WIDGET_RENAME].tooltips = STR_A038_RENAME_AIRCRAFT_TYPE;
00123       break;
00124   }
00125 }
00126 
00127 static bool _internal_sort_order; // descending/ascending
00128 
00129 static byte _last_sort_criteria[]    = {0, 0, 0, 0};
00130 static bool _last_sort_order[]       = {false, false, false, false};
00131 
00132 static int CDECL EngineNumberSorter(const void *a, const void *b)
00133 {
00134   const EngineID va = *(const EngineID*)a;
00135   const EngineID vb = *(const EngineID*)b;
00136   int r = va - vb;
00137 
00138   return _internal_sort_order ? -r : r;
00139 }
00140 
00141 static int CDECL EngineIntroDateSorter(const void *a, const void *b)
00142 {
00143   const int va = GetEngine(*(const EngineID*)a)->intro_date;
00144   const int vb = GetEngine(*(const EngineID*)b)->intro_date;
00145   const int r = va - vb;
00146 
00147   if (r == 0) {
00148     /* Use EngineID to sort instead since we want consistent sorting */
00149     return EngineNumberSorter(a, b);
00150   }
00151   return _internal_sort_order ? -r : r;
00152 }
00153 
00154 static int CDECL EngineNameSorter(const void *a, const void *b)
00155 {
00156   static EngineID last_engine[2] = { INVALID_ENGINE, INVALID_ENGINE };
00157   static char     last_name[2][64] = { "\0", "\0" };
00158 
00159   const EngineID va = *(const EngineID*)a;
00160   const EngineID vb = *(const EngineID*)b;
00161   int r;
00162 
00163   if (va != last_engine[0]) {
00164     last_engine[0] = va;
00165     SetDParam(0, va);
00166     GetString(last_name[0], STR_ENGINE_NAME, lastof(last_name[0]));
00167   }
00168 
00169   if (vb != last_engine[1]) {
00170     last_engine[1] = vb;
00171     SetDParam(0, vb);
00172     GetString(last_name[1], STR_ENGINE_NAME, lastof(last_name[1]));
00173   }
00174 
00175   r = strcmp(last_name[0], last_name[1]); // sort by name
00176 
00177   if (r == 0) {
00178     /* Use EngineID to sort instead since we want consistent sorting */
00179     return EngineNumberSorter(a, b);
00180   }
00181   return _internal_sort_order ? -r : r;
00182 }
00183 
00184 static int CDECL EngineReliabilitySorter(const void *a, const void *b)
00185 {
00186   const int va = GetEngine(*(const EngineID*)a)->reliability;
00187   const int vb = GetEngine(*(const EngineID*)b)->reliability;
00188   const int r = va - vb;
00189 
00190   if (r == 0) {
00191     /* Use EngineID to sort instead since we want consistent sorting */
00192     return EngineNumberSorter(a, b);
00193   }
00194   return _internal_sort_order ? -r : r;
00195 }
00196 
00197 /* Train sorting functions */
00198 static int CDECL TrainEngineCostSorter(const void *a, const void *b)
00199 {
00200   int va = RailVehInfo(*(const EngineID*)a)->base_cost;
00201   int vb = RailVehInfo(*(const EngineID*)b)->base_cost;
00202   int r = va - vb;
00203 
00204   return _internal_sort_order ? -r : r;
00205 }
00206 
00207 static int CDECL TrainEngineSpeedSorter(const void *a, const void *b)
00208 {
00209   int va = RailVehInfo(*(const EngineID*)a)->max_speed;
00210   int vb = RailVehInfo(*(const EngineID*)b)->max_speed;
00211   int r = va - vb;
00212 
00213   return _internal_sort_order ? -r : r;
00214 }
00215 
00216 static int CDECL TrainEnginePowerSorter(const void *a, const void *b)
00217 {
00218   const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
00219   const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
00220 
00221   int va = rvi_a->power;
00222   int vb = rvi_b->power;
00223   int r = va - vb;
00224 
00225   return _internal_sort_order ? -r : r;
00226 }
00227 
00228 static int CDECL TrainEngineRunningCostSorter(const void *a, const void *b)
00229 {
00230   const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
00231   const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
00232 
00233   Money va = rvi_a->running_cost * GetPriceByIndex(rvi_a->running_cost_class);
00234   Money vb = rvi_b->running_cost * GetPriceByIndex(rvi_b->running_cost_class);
00235   int r = ClampToI32(va - vb);
00236 
00237   return _internal_sort_order ? -r : r;
00238 }
00239 
00240 static int CDECL TrainEnginePowerVsRunningCostSorter(const void *a, const void *b)
00241 {
00242   const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
00243   const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
00244 
00245   /* Here we are using a few tricks to get the right sort.
00246     * We want power/running cost, but since we usually got higher running cost than power and we store the result in an int,
00247     * we will actually calculate cunning cost/power (to make it more than 1).
00248     * Because of this, the return value have to be reversed as well and we return b - a instead of a - b.
00249     * Another thing is that both power and running costs should be doubled for multiheaded engines.
00250     * Since it would be multipling with 2 in both numerator and denumerator, it will even themselves out and we skip checking for multiheaded. */
00251   Money va = (rvi_a->running_cost * GetPriceByIndex(rvi_a->running_cost_class)) / max(1U, (uint)rvi_a->power);
00252   Money vb = (rvi_b->running_cost * GetPriceByIndex(rvi_b->running_cost_class)) / max(1U, (uint)rvi_b->power);
00253   int r = ClampToI32(vb - va);
00254 
00255   return _internal_sort_order ? -r : r;
00256 }
00257 
00258 static int CDECL TrainEngineNumberSorter(const void *a, const void *b)
00259 {
00260   const EngineID va = *(const EngineID*)a;
00261   const EngineID vb = *(const EngineID*)b;
00262   int r = ListPositionOfEngine(va) - ListPositionOfEngine(vb);
00263 
00264   return _internal_sort_order ? -r : r;
00265 }
00266 
00267 static int CDECL TrainEngineCapacitySorter(const void *a, const void *b)
00268 {
00269   const RailVehicleInfo *rvi_a = RailVehInfo(*(const EngineID*)a);
00270   const RailVehicleInfo *rvi_b = RailVehInfo(*(const EngineID*)b);
00271 
00272   int va = rvi_a->capacity * (rvi_a->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
00273   int vb = rvi_b->capacity * (rvi_b->railveh_type == RAILVEH_MULTIHEAD ? 2 : 1);
00274   int r = va - vb;
00275 
00276   if (r == 0) {
00277     /* Use EngineID to sort instead since we want consistent sorting */
00278     return EngineNumberSorter(a, b);
00279   }
00280   return _internal_sort_order ? -r : r;
00281 }
00282 
00283 static int CDECL TrainEnginesThenWagonsSorter(const void *a, const void *b)
00284 {
00285   EngineID va = *(const EngineID*)a;
00286   EngineID vb = *(const EngineID*)b;
00287   int val_a = (RailVehInfo(va)->railveh_type == RAILVEH_WAGON ? 1 : 0);
00288   int val_b = (RailVehInfo(vb)->railveh_type == RAILVEH_WAGON ? 1 : 0);
00289   int r = val_a - val_b;
00290 
00291   /* Use EngineID to sort instead since we want consistent sorting */
00292   if (r == 0) return EngineNumberSorter(a, b);
00293 
00294   return _internal_sort_order ? -r : r;
00295 }
00296 
00297 /* Road vehicle sorting functions */
00298 static int CDECL RoadVehEngineCostSorter(const void *a, const void *b)
00299 {
00300   int va = RoadVehInfo(*(const EngineID*)a)->base_cost;
00301   int vb = RoadVehInfo(*(const EngineID*)b)->base_cost;
00302   int r = va - vb;
00303 
00304   return _internal_sort_order ? -r : r;
00305 }
00306 
00307 static int CDECL RoadVehEngineSpeedSorter(const void *a, const void *b)
00308 {
00309   int va = RoadVehInfo(*(const EngineID*)a)->max_speed;
00310   int vb = RoadVehInfo(*(const EngineID*)b)->max_speed;
00311   int r = va - vb;
00312 
00313   return _internal_sort_order ? -r : r;
00314 }
00315 
00316 static int CDECL RoadVehEngineRunningCostSorter(const void *a, const void *b)
00317 {
00318   const RoadVehicleInfo *rvi_a = RoadVehInfo(*(const EngineID*)a);
00319   const RoadVehicleInfo *rvi_b = RoadVehInfo(*(const EngineID*)b);
00320 
00321   Money va = rvi_a->running_cost * GetPriceByIndex(rvi_a->running_cost_class);
00322   Money vb = rvi_b->running_cost * GetPriceByIndex(rvi_b->running_cost_class);
00323   int r = ClampToI32(va - vb);
00324 
00325   if (r == 0) {
00326     /* Use EngineID to sort instead since we want consistent sorting */
00327     return EngineNumberSorter(a, b);
00328   }
00329   return _internal_sort_order ? -r : r;
00330 }
00331 
00332 static int CDECL RoadVehEngineCapacitySorter(const void *a, const void *b)
00333 {
00334   int va = RoadVehInfo(*(const EngineID*)a)->capacity;
00335   int vb = RoadVehInfo(*(const EngineID*)b)->capacity;
00336   int r = va - vb;
00337 
00338   if (r == 0) {
00339     /* Use EngineID to sort instead since we want consistent sorting */
00340     return EngineNumberSorter(a, b);
00341   }
00342   return _internal_sort_order ? -r : r;
00343 }
00344 
00345 /* Road vehicle sorting functions */
00346 static int CDECL ShipEngineCostSorter(const void *a, const void *b)
00347 {
00348   int va = ShipVehInfo(*(const EngineID*)a)->base_cost;
00349   int vb = ShipVehInfo(*(const EngineID*)b)->base_cost;
00350   int r = va - vb;
00351 
00352   return _internal_sort_order ? -r : r;
00353 }
00354 
00355 static int CDECL ShipEngineSpeedSorter(const void *a, const void *b)
00356 {
00357   int va = ShipVehInfo(*(const EngineID*)a)->max_speed;
00358   int vb = ShipVehInfo(*(const EngineID*)b)->max_speed;
00359   int r = va - vb;
00360 
00361   return _internal_sort_order ? -r : r;
00362 }
00363 
00364 static int CDECL ShipEngineRunningCostSorter(const void *a, const void *b)
00365 {
00366   const int va = ShipVehInfo(*(const EngineID*)a)->running_cost;
00367   const int vb = ShipVehInfo(*(const EngineID*)b)->running_cost;
00368   const int r = va - vb;
00369 
00370   if (r == 0) {
00371     /* Use EngineID to sort instead since we want consistent sorting */
00372     return EngineNumberSorter(a, b);
00373   }
00374   return _internal_sort_order ? -r : r;
00375 }
00376 
00377 static int CDECL ShipEngineCapacitySorter(const void *a, const void *b)
00378 {
00379   int va = ShipVehInfo(*(const EngineID*)a)->capacity;
00380   int vb = ShipVehInfo(*(const EngineID*)b)->capacity;
00381   int r = va - vb;
00382 
00383   if (r == 0) {
00384     /* Use EngineID to sort instead since we want consistent sorting */
00385     return EngineNumberSorter(a, b);
00386   }
00387   return _internal_sort_order ? -r : r;
00388 }
00389 
00390 /* Aircraft sorting functions */
00391 
00392 static int CDECL AircraftEngineCostSorter(const void *a, const void *b)
00393 {
00394   const int va = AircraftVehInfo(*(const EngineID*)a)->base_cost;
00395   const int vb = AircraftVehInfo(*(const EngineID*)b)->base_cost;
00396   int r = va - vb;
00397 
00398   return _internal_sort_order ? -r : r;
00399 }
00400 
00401 static int CDECL AircraftEngineSpeedSorter(const void *a, const void *b)
00402 {
00403   const int va = AircraftVehInfo(*(const EngineID*)a)->max_speed;
00404   const int vb = AircraftVehInfo(*(const EngineID*)b)->max_speed;
00405   const int r = va - vb;
00406 
00407   if (r == 0) {
00408     /* Use EngineID to sort instead since we want consistent sorting */
00409     return EngineNumberSorter(a, b);
00410   }
00411   return _internal_sort_order ? -r : r;
00412 }
00413 
00414 static int CDECL AircraftEngineRunningCostSorter(const void *a, const void *b)
00415 {
00416   const int va = AircraftVehInfo(*(const EngineID*)a)->running_cost;
00417   const int vb = AircraftVehInfo(*(const EngineID*)b)->running_cost;
00418   const int r = va - vb;
00419 
00420   if (r == 0) {
00421     /* Use EngineID to sort instead since we want consistent sorting */
00422     return EngineNumberSorter(a, b);
00423   }
00424   return _internal_sort_order ? -r : r;
00425 }
00426 
00427 static int CDECL AircraftEngineCargoSorter(const void *a, const void *b)
00428 {
00429   int va = AircraftVehInfo(*(const EngineID*)a)->passenger_capacity;
00430   int vb = AircraftVehInfo(*(const EngineID*)b)->passenger_capacity;
00431   int r = va - vb;
00432 
00433   if (r == 0) {
00434     /* The planes has the same passenger capacity. Check mail capacity instead */
00435     va = AircraftVehInfo(*(const EngineID*)a)->mail_capacity;
00436     vb = AircraftVehInfo(*(const EngineID*)b)->mail_capacity;
00437     r = va - vb;
00438 
00439     if (r == 0) {
00440       /* Use EngineID to sort instead since we want consistent sorting */
00441       return EngineNumberSorter(a, b);
00442     }
00443   }
00444   return _internal_sort_order ? -r : r;
00445 }
00446 
00447 static EngList_SortTypeFunction * const _sorter[][10] = {{
00448   /* Trains */
00449   &TrainEngineNumberSorter,
00450   &TrainEngineCostSorter,
00451   &TrainEngineSpeedSorter,
00452   &TrainEnginePowerSorter,
00453   &EngineIntroDateSorter,
00454   &EngineNameSorter,
00455   &TrainEngineRunningCostSorter,
00456   &TrainEnginePowerVsRunningCostSorter,
00457   &EngineReliabilitySorter,
00458   &TrainEngineCapacitySorter,
00459 }, {
00460   /* Road vehicles */
00461   &EngineNumberSorter,
00462   &RoadVehEngineCostSorter,
00463   &RoadVehEngineSpeedSorter,
00464   &EngineIntroDateSorter,
00465   &EngineNameSorter,
00466   &RoadVehEngineRunningCostSorter,
00467   &EngineReliabilitySorter,
00468   &RoadVehEngineCapacitySorter,
00469 }, {
00470   /* Ships */
00471   &EngineNumberSorter,
00472   &ShipEngineCostSorter,
00473   &ShipEngineSpeedSorter,
00474   &EngineIntroDateSorter,
00475   &EngineNameSorter,
00476   &ShipEngineRunningCostSorter,
00477   &EngineReliabilitySorter,
00478   &ShipEngineCapacitySorter,
00479 }, {
00480   /* Aircraft */
00481   &EngineNumberSorter,
00482   &AircraftEngineCostSorter,
00483   &AircraftEngineSpeedSorter,
00484   &EngineIntroDateSorter,
00485   &EngineNameSorter,
00486   &AircraftEngineRunningCostSorter,
00487   &EngineReliabilitySorter,
00488   &AircraftEngineCargoSorter,
00489 }};
00490 
00491 static const StringID _sort_listing[][11] = {{
00492   /* Trains */
00493   STR_ENGINE_SORT_ENGINE_ID,
00494   STR_ENGINE_SORT_COST,
00495   STR_SORT_BY_MAX_SPEED,
00496   STR_ENGINE_SORT_POWER,
00497   STR_ENGINE_SORT_INTRO_DATE,
00498   STR_SORT_BY_DROPDOWN_NAME,
00499   STR_ENGINE_SORT_RUNNING_COST,
00500   STR_ENGINE_SORT_POWER_VS_RUNNING_COST,
00501   STR_SORT_BY_RELIABILITY,
00502   STR_ENGINE_SORT_CARGO_CAPACITY,
00503   INVALID_STRING_ID
00504 }, {
00505   /* Road vehicles */
00506   STR_ENGINE_SORT_ENGINE_ID,
00507   STR_ENGINE_SORT_COST,
00508   STR_SORT_BY_MAX_SPEED,
00509   STR_ENGINE_SORT_INTRO_DATE,
00510   STR_SORT_BY_DROPDOWN_NAME,
00511   STR_ENGINE_SORT_RUNNING_COST,
00512   STR_SORT_BY_RELIABILITY,
00513   STR_ENGINE_SORT_CARGO_CAPACITY,
00514   INVALID_STRING_ID
00515 }, {
00516   /* Ships */
00517   STR_ENGINE_SORT_ENGINE_ID,
00518   STR_ENGINE_SORT_COST,
00519   STR_SORT_BY_MAX_SPEED,
00520   STR_ENGINE_SORT_INTRO_DATE,
00521   STR_SORT_BY_DROPDOWN_NAME,
00522   STR_ENGINE_SORT_RUNNING_COST,
00523   STR_SORT_BY_RELIABILITY,
00524   STR_ENGINE_SORT_CARGO_CAPACITY,
00525   INVALID_STRING_ID
00526 }, {
00527   /* Aircraft */
00528   STR_ENGINE_SORT_ENGINE_ID,
00529   STR_ENGINE_SORT_COST,
00530   STR_SORT_BY_MAX_SPEED,
00531   STR_ENGINE_SORT_INTRO_DATE,
00532   STR_SORT_BY_DROPDOWN_NAME,
00533   STR_ENGINE_SORT_RUNNING_COST,
00534   STR_SORT_BY_RELIABILITY,
00535   STR_ENGINE_SORT_CARGO_CAPACITY,
00536   INVALID_STRING_ID
00537 }};
00538 
00539 static int DrawCargoCapacityInfo(int x, int y, EngineID engine, VehicleType type, bool refittable)
00540 {
00541   uint16 *cap = GetCapacityOfArticulatedParts(engine, type);
00542 
00543   for (uint c = 0; c < NUM_CARGO; c++) {
00544     if (cap[c] == 0) continue;
00545 
00546     SetDParam(0, c);
00547     SetDParam(1, cap[c]);
00548     SetDParam(2, refittable ? STR_9842_REFITTABLE : STR_EMPTY);
00549     DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00550     y += 10;
00551 
00552     /* Only show as refittable once */
00553     refittable = false;
00554   }
00555 
00556   return y;
00557 }
00558 
00559 /* Draw rail wagon specific details */
00560 static int DrawRailWagonPurchaseInfo(int x, int y, EngineID engine_number, const RailVehicleInfo *rvi)
00561 {
00562   /* Purchase cost */
00563   SetDParam(0, (GetEngineProperty(engine_number, 0x17, rvi->base_cost) * _price.build_railwagon) >> 8);
00564   DrawString(x, y, STR_PURCHASE_INFO_COST, TC_FROMSTRING);
00565   y += 10;
00566 
00567   /* Wagon weight - (including cargo) */
00568   uint weight = GetEngineProperty(engine_number, 0x16, rvi->weight);
00569   SetDParam(0, weight);
00570   SetDParam(1, (GetCargo(rvi->cargo_type)->weight * GetEngineProperty(engine_number, 0x14, rvi->capacity) >> 4) + weight);
00571   DrawString(x, y, STR_PURCHASE_INFO_WEIGHT_CWEIGHT, TC_FROMSTRING);
00572   y += 10;
00573 
00574   /* Wagon speed limit, displayed if above zero */
00575   if (_patches.wagon_speed_limits) {
00576     uint max_speed = GetEngineProperty(engine_number, 0x09, rvi->max_speed);
00577     if (max_speed > 0) {
00578       SetDParam(0, max_speed * 10 / 16);
00579       DrawString(x, y, STR_PURCHASE_INFO_SPEED, TC_FROMSTRING);
00580       y += 10;
00581     }
00582   }
00583 
00584   /* Running cost */
00585   if (rvi->running_cost_class != 0xFF) {
00586     SetDParam(0, GetEngineProperty(engine_number, 0x0D, rvi->running_cost) * GetPriceByIndex(rvi->running_cost_class) >> 8);
00587     DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00588     y += 10;
00589   }
00590 
00591   return y;
00592 }
00593 
00594 /* Draw locomotive specific details */
00595 static int DrawRailEnginePurchaseInfo(int x, int y, EngineID engine_number, const RailVehicleInfo *rvi)
00596 {
00597   int multihead = (rvi->railveh_type == RAILVEH_MULTIHEAD ? 1 : 0);
00598   uint weight = GetEngineProperty(engine_number, 0x16, rvi->weight);
00599 
00600   /* Purchase Cost - Engine weight */
00601   SetDParam(0, GetEngineProperty(engine_number, 0x17, rvi->base_cost) * (_price.build_railvehicle >> 3) >> 5);
00602   SetDParam(1, weight << multihead);
00603   DrawString(x, y, STR_PURCHASE_INFO_COST_WEIGHT, TC_FROMSTRING);
00604   y += 10;
00605 
00606   /* Max speed - Engine power */
00607   SetDParam(0, GetEngineProperty(engine_number, 0x09, rvi->max_speed) * 10 / 16);
00608   SetDParam(1, GetEngineProperty(engine_number, 0x0B, rvi->power));
00609   DrawString(x, y, STR_PURCHASE_INFO_SPEED_POWER, TC_FROMSTRING);
00610   y += 10;
00611 
00612   /* Max tractive effort - not applicable if old acceleration or maglev */
00613   if (_patches.realistic_acceleration && rvi->railtype != RAILTYPE_MAGLEV) {
00614     SetDParam(0, ((weight << multihead) * 10 * GetEngineProperty(engine_number, 0x1F, rvi->tractive_effort)) / 256);
00615     DrawString(x, y, STR_PURCHASE_INFO_MAX_TE, TC_FROMSTRING);
00616     y += 10;
00617   }
00618 
00619   /* Running cost */
00620   if (rvi->running_cost_class != 0xFF) {
00621     SetDParam(0, GetEngineProperty(engine_number, 0x0D, rvi->running_cost) * GetPriceByIndex(rvi->running_cost_class) >> 8);
00622     DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00623     y += 10;
00624   }
00625 
00626   /* Powered wagons power - Powered wagons extra weight */
00627   if (rvi->pow_wag_power != 0) {
00628     SetDParam(0, rvi->pow_wag_power);
00629     SetDParam(1, rvi->pow_wag_weight);
00630     DrawString(x, y, STR_PURCHASE_INFO_PWAGPOWER_PWAGWEIGHT, TC_FROMSTRING);
00631     y += 10;
00632   };
00633 
00634   return y;
00635 }
00636 
00637 /* Draw road vehicle specific details */
00638 static int DrawRoadVehPurchaseInfo(int x, int y, EngineID engine_number, const RoadVehicleInfo *rvi)
00639 {
00640   bool refittable = (EngInfo(engine_number)->refit_mask != 0);
00641 
00642   /* Purchase cost - Max speed */
00643   SetDParam(0, GetEngineProperty(engine_number, 0x11, rvi->base_cost) * (_price.roadveh_base >> 3) >> 5);
00644   SetDParam(1, rvi->max_speed * 10 / 32);
00645   DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
00646   y += 10;
00647 
00648   /* Running cost */
00649   SetDParam(0, rvi->running_cost * GetPriceByIndex(rvi->running_cost_class) >> 8);
00650   DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00651   y += 10;
00652 
00653   /* Cargo type + capacity */
00654   return DrawCargoCapacityInfo(x, y, engine_number, VEH_ROAD, refittable);
00655 }
00656 
00657 /* Draw ship specific details */
00658 static int DrawShipPurchaseInfo(int x, int y, EngineID engine_number, const ShipVehicleInfo *svi)
00659 {
00660   /* Purchase cost - Max speed */
00661   SetDParam(0, GetEngineProperty(engine_number, 0x0A, svi->base_cost) * (_price.ship_base >> 3) >> 5);
00662   SetDParam(1, GetEngineProperty(engine_number, 0x0B, svi->max_speed) * 10 / 32);
00663   DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
00664   y += 10;
00665 
00666   /* Cargo type + capacity */
00667   SetDParam(0, svi->cargo_type);
00668   SetDParam(1, GetEngineProperty(engine_number, 0x0D, svi->capacity));
00669   SetDParam(2, svi->refittable ? STR_9842_REFITTABLE : STR_EMPTY);
00670   DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00671   y += 10;
00672 
00673   /* Running cost */
00674   SetDParam(0, GetEngineProperty(engine_number, 0x0F, svi->running_cost) * _price.ship_running >> 8);
00675   DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00676   y += 10;
00677 
00678   return y;
00679 }
00680 
00681 /* Draw aircraft specific details */
00682 static int DrawAircraftPurchaseInfo(int x, int y, EngineID engine_number, const AircraftVehicleInfo *avi)
00683 {
00684   CargoID cargo;
00685 
00686   /* Purchase cost - Max speed */
00687   SetDParam(0, GetEngineProperty(engine_number, 0x0B, avi->base_cost) * (_price.aircraft_base >> 3) >> 5);
00688   SetDParam(1, avi->max_speed * 10 / 16);
00689   DrawString(x, y, STR_PURCHASE_INFO_COST_SPEED, TC_FROMSTRING);
00690   y += 10;
00691 
00692   /* Cargo capacity */
00693   cargo = FindFirstRefittableCargo(engine_number);
00694   if (cargo == CT_INVALID || cargo == CT_PASSENGERS) {
00695     SetDParam(0, avi->passenger_capacity);
00696     SetDParam(1, avi->mail_capacity);
00697     DrawString(x, y, STR_PURCHASE_INFO_AIRCRAFT_CAPACITY, TC_FROMSTRING);
00698   } else {
00699     /* Note, if the default capacity is selected by the refit capacity
00700     * callback, then the capacity shown is likely to be incorrect. */
00701     SetDParam(0, cargo);
00702     SetDParam(1, AircraftDefaultCargoCapacity(cargo, avi));
00703     SetDParam(2, STR_9842_REFITTABLE);
00704     DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00705   }
00706   y += 10;
00707 
00708   /* Running cost */
00709   SetDParam(0, GetEngineProperty(engine_number, 0x0E, avi->running_cost) * _price.aircraft_running >> 8);
00710   DrawString(x, y, STR_PURCHASE_INFO_RUNNINGCOST, TC_FROMSTRING);
00711   y += 10;
00712 
00713   return y;
00714 }
00715 
00723 int DrawVehiclePurchaseInfo(int x, int y, uint w, EngineID engine_number)
00724 {
00725   const Engine *e = GetEngine(engine_number);
00726   YearMonthDay ymd;
00727   ConvertDateToYMD(e->intro_date, &ymd);
00728   bool refitable = false;
00729 
00730   switch (e->type) {
00731     default: NOT_REACHED();
00732     case VEH_TRAIN: {
00733       const RailVehicleInfo *rvi = RailVehInfo(engine_number);
00734       uint capacity = GetEngineProperty(engine_number, 0x14, rvi->capacity);
00735 
00736       refitable = (EngInfo(engine_number)->refit_mask != 0) && (capacity > 0);
00737 
00738       if (rvi->railveh_type == RAILVEH_WAGON) {
00739         y = DrawRailWagonPurchaseInfo(x, y, engine_number, rvi);
00740       } else {
00741         y = DrawRailEnginePurchaseInfo(x, y, engine_number, rvi);
00742       }
00743 
00744       /* Cargo type + capacity, or N/A */
00745       int new_y = DrawCargoCapacityInfo(x, y, engine_number, VEH_TRAIN, refitable);
00746 
00747       if (new_y == y) {
00748         SetDParam(0, CT_INVALID);
00749         SetDParam(2, STR_EMPTY);
00750         DrawString(x, y, STR_PURCHASE_INFO_CAPACITY, TC_FROMSTRING);
00751         y += 10;
00752       } else {
00753         y = new_y;
00754       }
00755       break;
00756     }
00757     case VEH_ROAD:
00758       y = DrawRoadVehPurchaseInfo(x, y, engine_number, RoadVehInfo(engine_number));
00759       refitable = true;
00760       break;
00761     case VEH_SHIP: {
00762       const ShipVehicleInfo *svi = ShipVehInfo(engine_number);
00763       y = DrawShipPurchaseInfo(x, y, engine_number, svi);
00764       refitable = svi->refittable;
00765     } break;
00766     case VEH_AIRCRAFT:
00767       y = DrawAircraftPurchaseInfo(x, y, engine_number, AircraftVehInfo(engine_number));
00768       refitable = true;
00769       break;
00770   }
00771 
00772   /* Draw details, that applies to all types except rail wagons */
00773   if (e->type != VEH_TRAIN || RailVehInfo(engine_number)->railveh_type != RAILVEH_WAGON) {
00774     /* Design date - Life length */
00775     SetDParam(0, ymd.year);
00776     SetDParam(1, e->lifelength);
00777     DrawString(x, y, STR_PURCHASE_INFO_DESIGNED_LIFE, TC_FROMSTRING);
00778     y += 10;
00779 
00780     /* Reliability */
00781     SetDParam(0, e->reliability * 100 >> 16);
00782     DrawString(x, y, STR_PURCHASE_INFO_RELIABILITY, TC_FROMSTRING);
00783     y += 10;
00784   }
00785 
00786   /* Additional text from NewGRF */
00787   y += ShowAdditionalText(x, y, w, engine_number);
00788   if (refitable) y += ShowRefitOptionsList(x, y, w, engine_number);
00789 
00790   return y;
00791 }
00792 
00793 /* Figure out what train EngineIDs to put in the list */
00794 static void GenerateBuildTrainList(Window *w)
00795 {
00796   EngineID sel_id = INVALID_ENGINE;
00797   int num_engines = 0;
00798   int num_wagons  = 0;
00799   buildvehicle_d *bv = &WP(w, buildvehicle_d);
00800 
00801   bv->filter.railtype = (w->window_number <= VEH_END) ? RAILTYPE_END : GetRailType(w->window_number);
00802 
00803   EngList_RemoveAll(&bv->eng_list);
00804 
00805   /* Make list of all available train engines and wagons.
00806    * Also check to see if the previously selected engine is still available,
00807    * and if not, reset selection to INVALID_ENGINE. This could be the case
00808    * when engines become obsolete and are removed */
00809   EngineID eid;
00810   FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_TRAIN) {
00811     const RailVehicleInfo *rvi = RailVehInfo(eid);
00812 
00813     if (bv->filter.railtype != RAILTYPE_END && !HasPowerOnRail(rvi->railtype, bv->filter.railtype)) continue;
00814     if (!IsEngineBuildable(eid, VEH_TRAIN, _local_player)) continue;
00815 
00816     EngList_Add(&bv->eng_list, eid);
00817     if (rvi->railveh_type != RAILVEH_WAGON) {
00818       num_engines++;
00819     } else {
00820       num_wagons++;
00821     }
00822 
00823     if (eid == bv->sel_engine) sel_id = eid;
00824   }
00825 
00826   bv->sel_engine = sel_id;
00827 
00828   /* make engines first, and then wagons, sorted by ListPositionOfEngine() */
00829   _internal_sort_order = false;
00830   EngList_Sort(&bv->eng_list, TrainEnginesThenWagonsSorter);
00831 
00832   /* and then sort engines */
00833   _internal_sort_order = bv->descending_sort_order;
00834   EngList_SortPartial(&bv->eng_list, _sorter[0][bv->sort_criteria], 0, num_engines);
00835 
00836   /* and finally sort wagons */
00837   EngList_SortPartial(&bv->eng_list, _sorter[0][bv->sort_criteria], num_engines, num_wagons);
00838 }
00839 
00840 /* Figure out what road vehicle EngineIDs to put in the list */
00841 static void GenerateBuildRoadVehList(Window *w)
00842 {
00843   EngineID sel_id = INVALID_ENGINE;
00844   buildvehicle_d *bv = &WP(w, buildvehicle_d);
00845 
00846   EngList_RemoveAll(&bv->eng_list);
00847 
00848   EngineID eid;
00849   FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_ROAD) {
00850     if (!IsEngineBuildable(eid, VEH_ROAD, _local_player)) continue;
00851     if (!HasBit(bv->filter.roadtypes, HasBit(EngInfo(eid)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD)) continue;
00852     EngList_Add(&bv->eng_list, eid);
00853 
00854     if (eid == bv->sel_engine) sel_id = eid;
00855   }
00856   bv->sel_engine = sel_id;
00857 }
00858 
00859 /* Figure out what ship EngineIDs to put in the list */
00860 static void GenerateBuildShipList(Window *w)
00861 {
00862   EngineID sel_id = INVALID_ENGINE;
00863   buildvehicle_d *bv = &WP(w, buildvehicle_d);
00864 
00865   EngList_RemoveAll(&bv->eng_list);
00866 
00867   EngineID eid;
00868   FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_SHIP) {
00869     if (!IsEngineBuildable(eid, VEH_SHIP, _local_player)) continue;
00870     EngList_Add(&bv->eng_list, eid);
00871 
00872     if (eid == bv->sel_engine) sel_id = eid;
00873   }
00874   bv->sel_engine = sel_id;
00875 }
00876 
00877 /* Figure out what aircraft EngineIDs to put in the list */
00878 static void GenerateBuildAircraftList(Window *w)
00879 {
00880   EngineID sel_id = INVALID_ENGINE;
00881   buildvehicle_d *bv = &WP(w, buildvehicle_d);
00882 
00883   EngList_RemoveAll(&bv->eng_list);
00884 
00885   /* Make list of all available planes.
00886    * Also check to see if the previously selected plane is still available,
00887    * and if not, reset selection to INVALID_ENGINE. This could be the case
00888    * when planes become obsolete and are removed */
00889   EngineID eid;
00890   FOR_ALL_ENGINEIDS_OF_TYPE(eid, VEH_AIRCRAFT) {
00891     if (!IsEngineBuildable(eid, VEH_AIRCRAFT, _local_player)) continue;
00892     /* First VEH_END window_numbers are fake to allow a window open for all different types at once */
00893     if (w->window_number > VEH_END && !CanAircraftUseStation(eid, w->window_number)) continue;
00894 
00895     EngList_Add(&bv->eng_list, eid);
00896     if (eid == bv->sel_engine) sel_id = eid;
00897   }
00898 
00899   bv->sel_engine = sel_id;
00900 }
00901 
00902 /* Generate the list of vehicles */
00903 static void GenerateBuildList(Window *w)
00904 {
00905   buildvehicle_d *bv = &WP(w, buildvehicle_d);
00906 
00907   switch (bv->vehicle_type) {
00908     default: NOT_REACHED();
00909     case VEH_TRAIN:
00910       GenerateBuildTrainList(w);
00911       return; // trains should not reach the last sorting
00912     case VEH_ROAD:
00913       GenerateBuildRoadVehList(w);
00914       break;
00915     case VEH_SHIP:
00916       GenerateBuildShipList(w);
00917       break;
00918     case VEH_AIRCRAFT:
00919       GenerateBuildAircraftList(w);
00920       break;
00921   }
00922   _internal_sort_order = bv->descending_sort_order;
00923   EngList_Sort(&bv->eng_list, _sorter[bv->vehicle_type][bv->sort_criteria]);
00924 }
00925 
00926 static void DrawVehicleEngine(VehicleType type, int x, int y, EngineID engine, SpriteID pal)
00927 {
00928   switch (type) {
00929     case VEH_TRAIN:    DrawTrainEngine(   x, y, engine, pal); break;
00930     case VEH_ROAD:     DrawRoadVehEngine( x, y, engine, pal); break;
00931     case VEH_SHIP:     DrawShipEngine(    x, y, engine, pal); break;
00932     case VEH_AIRCRAFT: DrawAircraftEngine(x, y, engine, pal); break;
00933     default: NOT_REACHED();
00934   }
00935 }
00936 
00946 void DrawEngineList(VehicleType type, int x, int y, const EngineList eng_list, uint16 min, uint16 max, EngineID selected_id, bool show_count, GroupID selected_group)
00947 {
00948   byte step_size = GetVehicleListHeight(type);
00949   byte x_offset = 0;
00950   byte y_offset = 0;
00951 
00952   assert(max <= EngList_Count(&eng_list));
00953 
00954   switch (type) {
00955     case VEH_TRAIN:
00956       x++; // train and road vehicles use the same offset, except trains are one more pixel to the right
00957       /* Fallthough */
00958     case VEH_ROAD:
00959       x += 26;
00960       x_offset = 30;
00961       y += 2;
00962       y_offset = 4;
00963       break;
00964     case VEH_SHIP:
00965       x += 35;
00966       x_offset = 40;
00967       y += 7;
00968       y_offset = 3;
00969       break;
00970     case VEH_AIRCRAFT:
00971       x += 27;
00972       x_offset = 33;
00973       y += 7;
00974       y_offset = 3;
00975       break;
00976     default: NOT_REACHED();
00977   }
00978 
00979   for (; min < max; min++, y += step_size) {
00980     const EngineID engine = eng_list[min];
00981     /* Note: num_engines is only used in the autoreplace GUI, so it is correct to use _local_player here. */
00982     const uint num_engines = GetGroupNumEngines(_local_player, selected_group, engine);
00983 
00984     SetDParam(0, engine);
00985     DrawString(x + x_offset, y, STR_ENGINE_NAME, engine == selected_id ? TC_WHITE : TC_BLACK);
00986     DrawVehicleEngine(type, x, y + y_offset, engine, (show_count && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_player));
00987     if (show_count) {
00988       SetDParam(0, num_engines);
00989       DrawStringRightAligned(213, y + (GetVehicleListHeight(type) == 14 ? 3 : 8), STR_TINY_BLACK, TC_FROMSTRING);
00990     }
00991   }
00992 }
00993 
00994 static void DrawBuildVehicleWindow(Window *w)
00995 {
00996   const buildvehicle_d *bv = &WP(w, buildvehicle_d);
00997   uint max = min(w->vscroll.pos + w->vscroll.cap, EngList_Count(&bv->eng_list));
00998 
00999   w->SetWidgetDisabledState(BUILD_VEHICLE_WIDGET_BUILD, w->window_number <= VEH_END);
01000 
01001   SetVScrollCount(w, EngList_Count(&bv->eng_list));
01002   SetDParam(0, bv->filter.railtype + STR_881C_NEW_RAIL_VEHICLES); // This should only affect rail vehicles
01003 
01004   /* Set text of sort by dropdown */
01005   w->widget[BUILD_VEHICLE_WIDGET_SORT_DROPDOWN].data = _sort_listing[bv->vehicle_type][bv->sort_criteria];
01006 
01007   DrawWindowWidgets(w);
01008 
01009   DrawEngineList(bv->vehicle_type, w->widget[BUILD_VEHICLE_WIDGET_LIST].left + 2, w->widget[BUILD_VEHICLE_WIDGET_LIST].top + 1, bv->eng_list, w->vscroll.pos, max, bv->sel_engine, false, DEFAULT_GROUP);
01010 
01011   if (bv->sel_engine != INVALID_ENGINE) {
01012     const Widget *wi = &w->widget[BUILD_VEHICLE_WIDGET_PANEL];
01013     int text_end = DrawVehiclePurchaseInfo(2, wi->top + 1, wi->right - wi->left - 2, bv->sel_engine);
01014 
01015     if (text_end > wi->bottom) {
01016       SetWindowDirty(w);
01017       ResizeWindowForWidget(w, BUILD_VEHICLE_WIDGET_PANEL, 0, text_end - wi->bottom);
01018       SetWindowDirty(w);
01019     }
01020   }
01021 
01022   DrawSortButtonState(w, BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING, bv->descending_sort_order ? SBS_DOWN : SBS_UP);
01023 }
01024 
01025 static void BuildVehicleClickEvent(Window *w, WindowEvent *e)
01026 {
01027   buildvehicle_d *bv = &WP(w, buildvehicle_d);
01028 
01029   switch (e->we.click.widget) {
01030     case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:
01031       bv->descending_sort_order ^= true;
01032       _last_sort_order[bv->vehicle_type] = bv->descending_sort_order;
01033       bv->regenerate_list = true;
01034       SetWindowDirty(w);
01035       break;
01036 
01037     case BUILD_VEHICLE_WIDGET_LIST: {
01038       uint i = (e->we.click.pt.y - w->widget[BUILD_VEHICLE_WIDGET_LIST].top) / GetVehicleListHeight(bv->vehicle_type) + w->vscroll.pos;
01039       uint num_items = EngList_Count(&bv->eng_list);
01040       bv->sel_engine = (i < num_items) ? bv->eng_list[i] : INVALID_ENGINE;
01041       SetWindowDirty(w);
01042       break;
01043     }
01044 
01045     case BUILD_VEHICLE_WIDGET_SORT_DROPDOWN: // Select sorting criteria dropdown menu
01046       ShowDropDownMenu(w, _sort_listing[bv->vehicle_type], bv->sort_criteria, BUILD_VEHICLE_WIDGET_SORT_DROPDOWN, 0, 0);
01047       break;
01048 
01049     case BUILD_VEHICLE_WIDGET_BUILD: {
01050       EngineID sel_eng = bv->sel_engine;
01051       if (sel_eng != INVALID_ENGINE) {
01052         switch (bv->vehicle_type) {
01053           default: NOT_REACHED();
01054           case VEH_TRAIN:
01055             DoCommandP(w->window_number, sel_eng, 0, (RailVehInfo(sel_eng)->railveh_type == RAILVEH_WAGON) ? CcBuildWagon : CcBuildLoco,
01056                    CMD_BUILD_RAIL_VEHICLE | CMD_MSG(STR_882B_CAN_T_BUILD_RAILROAD_VEHICLE));
01057             break;
01058           case VEH_ROAD:
01059             DoCommandP(w->window_number, sel_eng, 0, CcBuildRoadVeh, CMD_BUILD_ROAD_VEH | CMD_MSG(STR_9009_CAN_T_BUILD_ROAD_VEHICLE));
01060             break;
01061           case VEH_SHIP:
01062             DoCommandP(w->window_number, sel_eng, 0, CcBuildShip, CMD_BUILD_SHIP | CMD_MSG(STR_980D_CAN_T_BUILD_SHIP));
01063             break;
01064           case VEH_AIRCRAFT:
01065             DoCommandP(w->window_number, sel_eng, 0, CcBuildAircraft, CMD_BUILD_AIRCRAFT | CMD_MSG(STR_A008_CAN_T_BUILD_AIRCRAFT));
01066             break;
01067         }
01068       }
01069       break;
01070     }
01071 
01072     case BUILD_VEHICLE_WIDGET_RENAME: {
01073       EngineID sel_eng = bv->sel_engine;
01074       if (sel_eng != INVALID_ENGINE) {
01075         StringID str = STR_NULL;
01076 
01077         bv->rename_engine = sel_eng;
01078         switch (bv->vehicle_type) {
01079           default: NOT_REACHED();
01080           case VEH_TRAIN:    str = STR_886A_RENAME_TRAIN_VEHICLE_TYPE; break;
01081           case VEH_ROAD:     str = STR_9036_RENAME_ROAD_VEHICLE_TYPE;  break;
01082           case VEH_SHIP:     str = STR_9838_RENAME_SHIP_TYPE;          break;
01083           case VEH_AIRCRAFT: str = STR_A039_RENAME_AIRCRAFT_TYPE;      break;
01084         }
01085         SetDParam(0, sel_eng);
01086         ShowQueryString(STR_ENGINE_NAME, str, 31, 160, w, CS_ALPHANUMERAL);
01087       }
01088       break;
01089     }
01090   }
01091 }
01092 
01093 static void NewVehicleWndProc(Window *w, WindowEvent *e)
01094 {
01095   buildvehicle_d *bv = &WP(w, buildvehicle_d);
01096 
01097   switch (e->event) {
01098     case WE_CREATE: {
01099       bv->vehicle_type = *(VehicleType*)e->we.create.data;
01100       int vlh = GetVehicleListHeight(bv->vehicle_type);
01101 
01102       ResizeWindow(w, 0, vlh - 14);
01103       w->resize.step_height = vlh;
01104       w->vscroll.cap = 1;
01105       w->widget[BUILD_VEHICLE_WIDGET_LIST].data = 0x101;
01106 
01107       w->resize.width  = w->width;
01108       w->resize.height = w->height;
01109     } break;
01110 
01111     case WE_INVALIDATE_DATA:
01112       bv->regenerate_list = true;
01113       SetWindowDirty(w);
01114       break;
01115 
01116     case WE_DESTROY:
01117       EngList_Destroy(&bv->eng_list);
01118       break;
01119 
01120     case WE_PAINT:
01121       if (bv->regenerate_list) {
01122         bv->regenerate_list = false;
01123         GenerateBuildList(w);
01124       }
01125       DrawBuildVehicleWindow(w);
01126       break;
01127 
01128     case WE_CLICK:
01129       BuildVehicleClickEvent(w, e);
01130       break;
01131 
01132     case WE_DOUBLE_CLICK:
01133       if (e->we.click.widget == BUILD_VEHICLE_WIDGET_LIST) {
01134         /* When double clicking, we want to buy a vehicle */
01135         e->we.click.widget = BUILD_VEHICLE_WIDGET_BUILD;
01136         BuildVehicleClickEvent(w, e);
01137       }
01138       break;
01139 
01140     case WE_ON_EDIT_TEXT: {
01141       if (e->we.edittext.str[0] != '\0') {
01142         StringID str = STR_NULL;
01143         _cmd_text = e->we.edittext.str;
01144         switch (bv->vehicle_type) {
01145           default: NOT_REACHED();
01146           case VEH_TRAIN:    str = STR_886B_CAN_T_RENAME_TRAIN_VEHICLE; break;
01147           case VEH_ROAD:     str = STR_9037_CAN_T_RENAME_ROAD_VEHICLE;  break;
01148           case VEH_SHIP:     str = STR_9839_CAN_T_RENAME_SHIP_TYPE;     break;
01149           case VEH_AIRCRAFT: str = STR_A03A_CAN_T_RENAME_AIRCRAFT_TYPE; break;
01150         }
01151         DoCommandP(0, bv->rename_engine, 0, NULL, CMD_RENAME_ENGINE | CMD_MSG(str));
01152       }
01153       break;
01154     }
01155 
01156     case WE_DROPDOWN_SELECT: // we have selected a dropdown item in the list
01157       if (bv->sort_criteria != e->we.dropdown.index) {
01158         bv->sort_criteria = e->we.dropdown.index;
01159         _last_sort_criteria[bv->vehicle_type] = bv->sort_criteria;
01160         bv->regenerate_list = true;
01161       }
01162       SetWindowDirty(w);
01163       break;
01164 
01165     case WE_RESIZE:
01166       if (e->we.sizing.diff.x != 0) ResizeButtons(w, BUILD_VEHICLE_WIDGET_BUILD, BUILD_VEHICLE_WIDGET_RENAME);
01167       if (e->we.sizing.diff.y == 0) break;
01168 
01169       w->vscroll.cap += e->we.sizing.diff.y / (int)GetVehicleListHeight(bv->vehicle_type);
01170       w->widget[BUILD_VEHICLE_WIDGET_LIST].data = (w->vscroll.cap << 8) + 1;
01171       break;
01172   }
01173 }
01174 
01175 static const WindowDesc _build_vehicle_desc = {
01176   WDP_AUTO, WDP_AUTO, 240, 174, 240, 256,
01177   WC_BUILD_VEHICLE, WC_NONE,
01178   WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_RESIZABLE,
01179   _build_vehicle_widgets,
01180   NewVehicleWndProc
01181 };
01182 
01183 void ShowBuildVehicleWindow(TileIndex tile, VehicleType type)
01184 {
01185   buildvehicle_d *bv;
01186   Window *w;
01187   /* We want to be able to open both Available Train as Available Ships,
01188    *  so if tile == 0 (Available XXX Window), use 'type' as unique number.
01189    *  As it always is a low value, it won't collide with any real tile
01190    *  number. */
01191   uint num = (tile == 0) ? (int)type : tile;
01192 
01193   assert(IsPlayerBuildableVehicleType(type));
01194 
01195   DeleteWindowById(WC_BUILD_VEHICLE, num);
01196 
01197   w = AllocateWindowDescFront(&_build_vehicle_desc, num, &type);
01198 
01199   if (w == NULL) return;
01200 
01201   w->caption_color = (tile != 0) ? GetTileOwner(tile) : _local_player;
01202 
01203   bv = &WP(w, buildvehicle_d);
01204   EngList_Create(&bv->eng_list);
01205   bv->sel_engine      = INVALID_ENGINE;
01206 
01207   bv->regenerate_list = false;
01208 
01209   bv->sort_criteria         = _last_sort_criteria[type];
01210   bv->descending_sort_order = _last_sort_order[type];
01211 
01212   switch (type) {
01213     default: NOT_REACHED();
01214     case VEH_TRAIN:
01215       WP(w, buildvehicle_d).filter.railtype = (tile == 0) ? RAILTYPE_END : GetRailType(tile);
01216       break;
01217     case VEH_ROAD:
01218       WP(w, buildvehicle_d).filter.roadtypes = (tile == 0) ? ROADTYPES_ALL : GetRoadTypes(tile);
01219     case VEH_SHIP:
01220       break;
01221     case VEH_AIRCRAFT:
01222       bv->filter.flags =
01223         tile == 0 ? AirportFTAClass::ALL : GetStationByTile(tile)->Airport()->flags;
01224       break;
01225   }
01226   SetupWindowStrings(w, type);
01227   ResizeButtons(w, BUILD_VEHICLE_WIDGET_BUILD, BUILD_VEHICLE_WIDGET_RENAME);
01228 
01229   GenerateBuildList(w); // generate the list, since we need it in the next line
01230   /* Select the first engine in the list as default when opening the window */
01231   if (EngList_Count(&bv->eng_list) > 0) bv->sel_engine = bv->eng_list[0];
01232 }

Generated on Mon Sep 22 20:34:15 2008 for openttd by  doxygen 1.5.6