# smallmap_gui.cpp

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    00001 /* $Id$ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "clear_map.h"
    00014 #include "industry.h"
    00015 #include "station_map.h"
    00016 #include "landscape.h"
    00017 #include "tree_map.h"
    00018 #include "viewport_func.h"
    00019 #include "town.h"
    00020 #include "tunnelbridge_map.h"
    00021 #include "core/endian_func.hpp"
    00022 #include "vehicle_base.h"
    00023 #include "sound_func.h"
    00024 #include "window_func.h"
    00025 #include "company_base.h"
    00026
    00027 #include "smallmap_gui.h"
    00028
    00029 #include "table/strings.h"
    00030
    00031 static int _smallmap_industry_count;
    00032 static int _smallmap_company_count;
    00033 static int _smallmap_cargo_count;
    00034
    00036 static uint8 _linkstat_colours_in_legenda[] = {0, 1, 3, 5, 7, 9, 11};
    00037
    00038 static const int NUM_NO_COMPANY_ENTRIES = 4;
    00039
    00040 static const uint8 PC_ROUGH_LAND      = 0x52;
    00041 static const uint8 PC_GRASS_LAND      = 0x54;
    00042 static const uint8 PC_BARE_LAND       = 0x37;
    00043 static const uint8 PC_FIELDS          = 0x25;
    00044 static const uint8 PC_TREES           = 0x57;
    00045 static const uint8 PC_WATER           = 0xCA;
    00046
    00048 #define MK(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, false}
    00049
    00051 #define MC(height)  {0, STR_TINY_BLACK_HEIGHT, INVALID_INDUSTRYTYPE, height, INVALID_COMPANY, true, false, false}
    00052
    00054 #define MO(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, false}
    00055
    00057 #define MOEND() {0, 0, INVALID_INDUSTRYTYPE, 0, OWNER_NONE, true, true, false}
    00058
    00060 #define MKEND() {0, STR_NULL, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, true, false}
    00061
    00066 #define MS(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, true}
    00067
    00069 static LegendAndColour _legend_land_contours[] = {
    00070   /* The colours for the following values are set at BuildLandLegend() based on each colour scheme. */
    00071   MC(0),
    00072   MC(4),
    00073   MC(8),
    00074   MC(12),
    00075   MC(14),
    00076
    00077   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00078   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00079   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_STATIONS_AIRPORTS_DOCKS),
    00080   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00081   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_VEHICLES),
    00082   MKEND()
    00083 };
    00084
    00085 static const LegendAndColour _legend_vehicles[] = {
    00086   MK(PC_RED,             STR_SMALLMAP_LEGENDA_TRAINS),
    00087   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_ROAD_VEHICLES),
    00088   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SHIPS),
    00089   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_AIRCRAFT),
    00090
    00091   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00092   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00093   MKEND()
    00094 };
    00095
    00096 static const LegendAndColour _legend_routes[] = {
    00097   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00098   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00099   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00100
    00101   MS(PC_VERY_DARK_BROWN, STR_SMALLMAP_LEGENDA_RAILROAD_STATION),
    00102   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_TRUCK_LOADING_BAY),
    00103   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_BUS_STATION),
    00104   MK(PC_RED,             STR_SMALLMAP_LEGENDA_AIRPORT_HELIPORT),
    00105   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_DOCK),
    00106   MKEND()
    00107 };
    00108
    00109 static const LegendAndColour _legend_vegetation[] = {
    00110   MK(PC_ROUGH_LAND,      STR_SMALLMAP_LEGENDA_ROUGH_LAND),
    00111   MK(PC_GRASS_LAND,      STR_SMALLMAP_LEGENDA_GRASS_LAND),
    00112   MK(PC_BARE_LAND,       STR_SMALLMAP_LEGENDA_BARE_LAND),
    00113   MK(PC_FIELDS,          STR_SMALLMAP_LEGENDA_FIELDS),
    00114   MK(PC_TREES,           STR_SMALLMAP_LEGENDA_TREES),
    00115   MK(PC_GREEN,           STR_SMALLMAP_LEGENDA_FOREST),
    00116
    00117   MS(PC_GREY,            STR_SMALLMAP_LEGENDA_ROCKS),
    00118   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_DESERT),
    00119   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SNOW),
    00120   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00121   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00122   MKEND()
    00123 };
    00124
    00125 static LegendAndColour _legend_land_owners[NUM_NO_COMPANY_ENTRIES + MAX_COMPANIES + 1] = {
    00126   MO(PC_WATER,           STR_SMALLMAP_LEGENDA_WATER),
    00127   MO(0x00,               STR_SMALLMAP_LEGENDA_NO_OWNER), // This colour will vary depending on settings.
    00128   MO(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_TOWNS),
    00129   MO(PC_DARK_GREY,       STR_SMALLMAP_LEGENDA_INDUSTRIES),
    00130   /* The legend will be terminated the first time it is used. */
    00131   MOEND(),
    00132 };
    00133
    00134 #undef MK
    00135 #undef MC
    00136 #undef MS
    00137 #undef MO
    00138 #undef MOEND
    00139 #undef MKEND
    00140
    00142 static LegendAndColour _legend_linkstats[NUM_CARGO + lengthof(_linkstat_colours_in_legenda) + 1];
    00147 static LegendAndColour _legend_from_industries[NUM_INDUSTRYTYPES + 1];
    00149 static uint _industry_to_list_pos[NUM_INDUSTRYTYPES];
    00151 static bool _smallmap_show_heightmap = false;
    00153 static IndustryType _smallmap_industry_highlight = INVALID_INDUSTRYTYPE;
    00155 static bool _smallmap_industry_highlight_state;
    00157 static uint _company_to_list_pos[MAX_COMPANIES];
    00158
    00162 void BuildIndustriesLegend()
    00163 {
    00164   uint j = 0;
    00165
    00166   /* Add each name */
    00167   for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
    00168     IndustryType ind = _sorted_industry_types[i];
    00169     const IndustrySpec *indsp = GetIndustrySpec(ind);
    00170     if (indsp->enabled) {
    00171       _legend_from_industries[j].legend = indsp->name;
    00172       _legend_from_industries[j].colour = indsp->map_colour;
    00173       _legend_from_industries[j].type = ind;
    00174       _legend_from_industries[j].show_on_map = true;
    00175       _legend_from_industries[j].col_break = false;
    00176       _legend_from_industries[j].end = false;
    00177
    00178       /* Store widget number for this industry type. */
    00179       _industry_to_list_pos[ind] = j;
    00180       j++;
    00181     }
    00182   }
    00183   /* Terminate the list */
    00184   _legend_from_industries[j].end = true;
    00185
    00186   /* Store number of enabled industries */
    00187   _smallmap_industry_count = j;
    00188 }
    00189
    00193 void BuildLinkStatsLegend()
    00194 {
    00195   /* Clear the legend */
    00196   memset(_legend_linkstats, 0, sizeof(_legend_linkstats));
    00197
    00198   uint i = 0;
    00199   for (; i < _sorted_cargo_specs_size; ++i) {
    00200     const CargoSpec *cs = _sorted_cargo_specs[i];
    00201
    00202     _legend_linkstats[i].legend = cs->name;
    00203     _legend_linkstats[i].colour = cs->legend_colour;
    00204     _legend_linkstats[i].type = cs->Index();
    00205     _legend_linkstats[i].show_on_map = true;
    00206   }
    00207
    00208   _legend_linkstats[i].col_break = true;
    00209   _smallmap_cargo_count = i;
    00210
    00211   for (; i < _smallmap_cargo_count + lengthof(_linkstat_colours_in_legenda); ++i) {
    00212     _legend_linkstats[i].legend = STR_EMPTY;
    00213     _legend_linkstats[i].colour = LinkGraphOverlay::LINK_COLOURS[_linkstat_colours_in_legenda[i - _smallmap_cargo_count]];
    00214     _legend_linkstats[i].show_on_map = true;
    00215   }
    00216
    00217   _legend_linkstats[_smallmap_cargo_count].legend = STR_LINKGRAPH_LEGEND_UNUSED;
    00218   _legend_linkstats[i - 1].legend = STR_LINKGRAPH_LEGEND_OVERLOADED;
    00219   _legend_linkstats[(_smallmap_cargo_count + i - 1) / 2].legend = STR_LINKGRAPH_LEGEND_SATURATED;
    00220   _legend_linkstats[i].end = true;
    00221 }
    00222
    00223 static const LegendAndColour * const _legend_table[] = {
    00224   _legend_land_contours,
    00225   _legend_vehicles,
    00226   _legend_from_industries,
    00227   _legend_linkstats,
    00228   _legend_routes,
    00229   _legend_vegetation,
    00230   _legend_land_owners,
    00231 };
    00232
    00233 #define MKCOLOUR(x)         TO_LE32X(x)
    00234
    00235 #define MKCOLOUR_XXXX(x)    (MKCOLOUR(0x01010101) * (uint)(x))
    00236 #define MKCOLOUR_X0X0(x)    (MKCOLOUR(0x01000100) * (uint)(x))
    00237 #define MKCOLOUR_0X0X(x)    (MKCOLOUR(0x00010001) * (uint)(x))
    00238 #define MKCOLOUR_0XX0(x)    (MKCOLOUR(0x00010100) * (uint)(x))
    00239 #define MKCOLOUR_X00X(x)    (MKCOLOUR(0x01000001) * (uint)(x))
    00240
    00241 #define MKCOLOUR_XYXY(x, y) (MKCOLOUR_X0X0(x) | MKCOLOUR_0X0X(y))
    00242 #define MKCOLOUR_XYYX(x, y) (MKCOLOUR_X00X(x) | MKCOLOUR_0XX0(y))
    00243
    00244 #define MKCOLOUR_0000       MKCOLOUR_XXXX(0x00)
    00245 #define MKCOLOUR_0FF0       MKCOLOUR_0XX0(0xFF)
    00246 #define MKCOLOUR_F00F       MKCOLOUR_X00X(0xFF)
    00247 #define MKCOLOUR_FFFF       MKCOLOUR_XXXX(0xFF)
    00248
    00250 static const uint32 _green_map_heights[] = {
    00251   MKCOLOUR_XXXX(0x5A),
    00252   MKCOLOUR_XYXY(0x5A, 0x5B),
    00253   MKCOLOUR_XXXX(0x5B),
    00254   MKCOLOUR_XYXY(0x5B, 0x5C),
    00255   MKCOLOUR_XXXX(0x5C),
    00256   MKCOLOUR_XYXY(0x5C, 0x5D),
    00257   MKCOLOUR_XXXX(0x5D),
    00258   MKCOLOUR_XYXY(0x5D, 0x5E),
    00259   MKCOLOUR_XXXX(0x5E),
    00260   MKCOLOUR_XYXY(0x5E, 0x5F),
    00261   MKCOLOUR_XXXX(0x5F),
    00262   MKCOLOUR_XYXY(0x5F, 0x1F),
    00263   MKCOLOUR_XXXX(0x1F),
    00264   MKCOLOUR_XYXY(0x1F, 0x27),
    00265   MKCOLOUR_XXXX(0x27),
    00266   MKCOLOUR_XXXX(0x27),
    00267 };
    00268 assert_compile(lengthof(_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00269
    00271 static const uint32 _dark_green_map_heights[] = {
    00272   MKCOLOUR_XXXX(0x60),
    00273   MKCOLOUR_XYXY(0x60, 0x61),
    00274   MKCOLOUR_XXXX(0x61),
    00275   MKCOLOUR_XYXY(0x61, 0x62),
    00276   MKCOLOUR_XXXX(0x62),
    00277   MKCOLOUR_XYXY(0x62, 0x63),
    00278   MKCOLOUR_XXXX(0x63),
    00279   MKCOLOUR_XYXY(0x63, 0x64),
    00280   MKCOLOUR_XXXX(0x64),
    00281   MKCOLOUR_XYXY(0x64, 0x65),
    00282   MKCOLOUR_XXXX(0x65),
    00283   MKCOLOUR_XYXY(0x65, 0x66),
    00284   MKCOLOUR_XXXX(0x66),
    00285   MKCOLOUR_XYXY(0x66, 0x67),
    00286   MKCOLOUR_XXXX(0x67),
    00287   MKCOLOUR_XXXX(0x67),
    00288 };
    00289 assert_compile(lengthof(_dark_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00290
    00292 static const uint32 _violet_map_heights[] = {
    00293   MKCOLOUR_XXXX(0x80),
    00294   MKCOLOUR_XYXY(0x80, 0x81),
    00295   MKCOLOUR_XXXX(0x81),
    00296   MKCOLOUR_XYXY(0x81, 0x82),
    00297   MKCOLOUR_XXXX(0x82),
    00298   MKCOLOUR_XYXY(0x82, 0x83),
    00299   MKCOLOUR_XXXX(0x83),
    00300   MKCOLOUR_XYXY(0x83, 0x84),
    00301   MKCOLOUR_XXXX(0x84),
    00302   MKCOLOUR_XYXY(0x84, 0x85),
    00303   MKCOLOUR_XXXX(0x85),
    00304   MKCOLOUR_XYXY(0x85, 0x86),
    00305   MKCOLOUR_XXXX(0x86),
    00306   MKCOLOUR_XYXY(0x86, 0x87),
    00307   MKCOLOUR_XXXX(0x87),
    00308   MKCOLOUR_XXXX(0x87),
    00309 };
    00310 assert_compile(lengthof(_violet_map_heights) == MAX_TILE_HEIGHT + 1);
    00311
    00313 struct SmallMapColourScheme {
    00314   const uint32 *height_colours;
    00315   uint32 default_colour;
    00316 };
    00317
    00319 static const SmallMapColourScheme _heightmap_schemes[] = {
    00320   {_green_map_heights,      MKCOLOUR_XXXX(0x54)},
    00321   {_dark_green_map_heights, MKCOLOUR_XXXX(0x62)},
    00322   {_violet_map_heights,     MKCOLOUR_XXXX(0x82)},
    00323 };
    00324
    00328 void BuildLandLegend()
    00329 {
    00330   for (LegendAndColour *lc = _legend_land_contours; lc->legend == STR_TINY_BLACK_HEIGHT; lc++) {
    00331     lc->colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].height_colours[lc->height];
    00332   }
    00333 }
    00334
    00338 void BuildOwnerLegend()
    00339 {
    00340   _legend_land_owners[1].colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].default_colour;
    00341
    00342   int i = NUM_NO_COMPANY_ENTRIES;
    00343   const Company *c;
    00344   FOR_ALL_COMPANIES(c) {
    00345     _legend_land_owners[i].colour = _colour_gradient[c->colour][5];
    00346     _legend_land_owners[i].company = c->index;
    00347     _legend_land_owners[i].show_on_map = true;
    00348     _legend_land_owners[i].col_break = false;
    00349     _legend_land_owners[i].end = false;
    00350     _company_to_list_pos[c->index] = i;
    00351     i++;
    00352   }
    00353
    00354   /* Terminate the list */
    00355   _legend_land_owners[i].end = true;
    00356
    00357   /* Store maximum amount of owner legend entries. */
    00358   _smallmap_company_count = i;
    00359 }
    00360
    00361 struct AndOr {
    00362   uint32 mor;
    00363   uint32 mand;
    00364 };
    00365
    00366 static inline uint32 ApplyMask(uint32 colour, const AndOr *mask)
    00367 {
    00368   return (colour & mask->mand) | mask->mor;
    00369 }
    00370
    00371
    00373 static const AndOr _smallmap_contours_andor[] = {
    00374   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00375   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F}, // MP_RAILWAY
    00376   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00377   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00378   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00379   {MKCOLOUR_XXXX(PC_LIGHT_BLUE), MKCOLOUR_0000}, // MP_STATION
    00380   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00381   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00382   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00383   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00384   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00385   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F},
    00386 };
    00387
    00389 static const AndOr _smallmap_vehicles_andor[] = {
    00390   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00391   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_RAILWAY
    00392   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00393   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00394   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00395   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_STATION
    00396   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00397   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00398   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00399   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00400   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00401   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F},
    00402 };
    00403
    00405 static const byte _tiletype_importance[] = {
    00406   2, // MP_CLEAR
    00407   8, // MP_RAILWAY
    00408   7, // MP_ROAD
    00409   5, // MP_HOUSE
    00410   2, // MP_TREES
    00411   9, // MP_STATION
    00412   2, // MP_WATER
    00413   1, // MP_VOID
    00414   6, // MP_INDUSTRY
    00415   8, // MP_TUNNELBRIDGE
    00416   2, // MP_OBJECT
    00417   0,
    00418 };
    00419
    00420
    00421 static inline TileType GetEffectiveTileType(TileIndex tile)
    00422 {
    00423   TileType t = GetTileType(tile);
    00424
    00425   if (t == MP_TUNNELBRIDGE) {
    00426     TransportType tt = GetTunnelBridgeTransportType(tile);
    00427
    00428     switch (tt) {
    00429       case TRANSPORT_RAIL: t = MP_RAILWAY; break;
    00430       case TRANSPORT_ROAD: t = MP_ROAD;    break;
    00431       default:             t = MP_WATER;   break;
    00432     }
    00433   }
    00434   return t;
    00435 }
    00436
    00443 static inline uint32 GetSmallMapContoursPixels(TileIndex tile, TileType t)
    00444 {
    00445   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00446   return ApplyMask(cs->height_colours[TileHeight(tile)], &_smallmap_contours_andor[t]);
    00447 }
    00448
    00456 static inline uint32 GetSmallMapVehiclesPixels(TileIndex tile, TileType t)
    00457 {
    00458   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00459   return ApplyMask(cs->default_colour, &_smallmap_vehicles_andor[t]);
    00460 }
    00461
    00469 static inline uint32 GetSmallMapIndustriesPixels(TileIndex tile, TileType t)
    00470 {
    00471   if (t == MP_INDUSTRY) {
    00472     /* If industry is allowed to be seen, use its colour on the map */
    00473     IndustryType type = Industry::GetByTile(tile)->type;
    00474     if (_legend_from_industries[_industry_to_list_pos[type]].show_on_map &&
    00475         (_smallmap_industry_highlight_state || type != _smallmap_industry_highlight)) {
    00476       return (type == _smallmap_industry_highlight ? PC_WHITE : GetIndustrySpec(Industry::GetByTile(tile)->type)->map_colour) * 0x01010101;
    00477     } else {
    00478       /* Otherwise, return the colour which will make it disappear */
    00479       t = (IsTileOnWater(tile) ? MP_WATER : MP_CLEAR);
    00480     }
    00481   }
    00482
    00483   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00484   return ApplyMask(_smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour, &_smallmap_vehicles_andor[t]);
    00485 }
    00486
    00494 static inline uint32 GetSmallMapRoutesPixels(TileIndex tile, TileType t)
    00495 {
    00496   if (t == MP_STATION) {
    00497     switch (GetStationType(tile)) {
    00498       case STATION_RAIL:    return MKCOLOUR_XXXX(PC_VERY_DARK_BROWN);
    00499       case STATION_AIRPORT: return MKCOLOUR_XXXX(PC_RED);
    00500       case STATION_TRUCK:   return MKCOLOUR_XXXX(PC_ORANGE);
    00501       case STATION_BUS:     return MKCOLOUR_XXXX(PC_YELLOW);
    00502       case STATION_DOCK:    return MKCOLOUR_XXXX(PC_LIGHT_BLUE);
    00503       default:              return MKCOLOUR_FFFF;
    00504     }
    00505   } else if (t == MP_RAILWAY) {
    00506     AndOr andor = {
    00507       MKCOLOUR_0XX0(GetRailTypeInfo(GetRailType(tile))->map_colour),
    00508       _smallmap_contours_andor[t].mand
    00509     };
    00510
    00511     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00512     return ApplyMask(cs->default_colour, &andor);
    00513   }
    00514
    00515   /* Ground colour */
    00516   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00517   return ApplyMask(cs->default_colour, &_smallmap_contours_andor[t]);
    00518 }
    00519
    00527 static inline uint32 GetSmallMapLinkStatsPixels(TileIndex tile, TileType t)
    00528 {
    00529   return _smallmap_show_heightmap ? GetSmallMapContoursPixels(tile, t) : GetSmallMapRoutesPixels(tile, t);
    00530 }
    00531
    00532 static const uint32 _vegetation_clear_bits[] = {
    00533   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00534   MKCOLOUR_XXXX(PC_ROUGH_LAND),
    00535   MKCOLOUR_XXXX(PC_GREY),
    00536   MKCOLOUR_XXXX(PC_FIELDS),
    00537   MKCOLOUR_XXXX(PC_LIGHT_BLUE),
    00538   MKCOLOUR_XXXX(PC_ORANGE),
    00539   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00540   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00541 };
    00542
    00550 static inline uint32 GetSmallMapVegetationPixels(TileIndex tile, TileType t)
    00551 {
    00552   switch (t) {
    00553     case MP_CLEAR:
    00554       return (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) < 3) ? MKCOLOUR_XXXX(PC_BARE_LAND) : _vegetation_clear_bits[GetClearGround(tile)];
    00555
    00556     case MP_INDUSTRY:
    00557       return IsTileForestIndustry(tile) ? MKCOLOUR_XXXX(PC_GREEN) : MKCOLOUR_XXXX(PC_DARK_RED);
    00558
    00559     case MP_TREES:
    00560       if (GetTreeGround(tile) == TREE_GROUND_SNOW_DESERT || GetTreeGround(tile) == TREE_GROUND_ROUGH_SNOW) {
    00561         return (_settings_game.game_creation.landscape == LT_ARCTIC) ? MKCOLOUR_XYYX(PC_LIGHT_BLUE, PC_TREES) : MKCOLOUR_XYYX(PC_ORANGE, PC_TREES);
    00562       }
    00563       return MKCOLOUR_XYYX(PC_GRASS_LAND, PC_TREES);
    00564
    00565     default:
    00566       return ApplyMask(MKCOLOUR_XXXX(PC_GRASS_LAND), &_smallmap_vehicles_andor[t]);
    00567   }
    00568 }
    00569
    00577 static inline uint32 GetSmallMapOwnerPixels(TileIndex tile, TileType t)
    00578 {
    00579   Owner o;
    00580
    00581   switch (t) {
    00582     case MP_INDUSTRY: return MKCOLOUR_XXXX(PC_DARK_GREY);
    00583     case MP_HOUSE:    return MKCOLOUR_XXXX(PC_DARK_RED);
    00584     default:          o = GetTileOwner(tile); break;
    00585     /* FIXME: For MP_ROAD there are multiple owners.
    00586      * GetTileOwner returns the rail owner (level crossing) resp. the owner of ROADTYPE_ROAD (normal road),
    00587      * even if there are no ROADTYPE_ROAD bits on the tile.
    00588      */
    00589   }
    00590
    00591   if ((o < MAX_COMPANIES && !_legend_land_owners[_company_to_list_pos[o]].show_on_map) || o == OWNER_NONE || o == OWNER_WATER) {
    00592     if (t == MP_WATER) return MKCOLOUR_XXXX(PC_WATER);
    00593     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00594     return _smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour;
    00595   } else if (o == OWNER_TOWN) {
    00596     return MKCOLOUR_XXXX(PC_DARK_RED);
    00597   }
    00598
    00599   return MKCOLOUR_XXXX(_legend_land_owners[_company_to_list_pos[o]].colour);
    00600 }
    00601
    00603 static const byte _vehicle_type_colours[6] = {
    00604   PC_RED, PC_YELLOW, PC_LIGHT_BLUE, PC_WHITE, PC_BLACK, PC_RED
    00605 };
    00606
    00607
    00608 inline Point SmallMapWindow::SmallmapRemapCoords(int x, int y) const
    00609 {
    00610   Point pt;
    00611   pt.x = (y - x) * 2;
    00612   pt.y = y + x;
    00613   return pt;
    00614 }
    00615
    00622 inline Point SmallMapWindow::RemapTile(int tile_x, int tile_y) const
    00623 {
    00624   int x_offset = tile_x - this->scroll_x / (int)TILE_SIZE;
    00625   int y_offset = tile_y - this->scroll_y / (int)TILE_SIZE;
    00626
    00627   if (this->zoom == 1) return SmallmapRemapCoords(x_offset, y_offset);
    00628
    00629   /* For negative offsets, round towards -inf. */
    00630   if (x_offset < 0) x_offset -= this->zoom - 1;
    00631   if (y_offset < 0) y_offset -= this->zoom - 1;
    00632
    00633   return SmallmapRemapCoords(x_offset / this->zoom, y_offset / this->zoom);
    00634 }
    00635
    00646 inline Point SmallMapWindow::PixelToTile(int px, int py, int *sub, bool add_sub) const
    00647 {
    00648   if (add_sub) px += this->subscroll;  // Total horizontal offset.
    00649
    00650   /* For each two rows down, add a x and a y tile, and
    00651    * For each four pixels to the right, move a tile to the right. */
    00652   Point pt = {((py >> 1) - (px >> 2)) * this->zoom, ((py >> 1) + (px >> 2)) * this->zoom};
    00653   px &= 3;
    00654
    00655   if (py & 1) { // Odd number of rows, handle the 2 pixel shift.
    00656     if (px < 2) {
    00657       pt.x += this->zoom;
    00658       px += 2;
    00659     } else {
    00660       pt.y += this->zoom;
    00661       px -= 2;
    00662     }
    00663   }
    00664
    00665   *sub = px;
    00666   return pt;
    00667 }
    00668
    00678 Point SmallMapWindow::ComputeScroll(int tx, int ty, int x, int y, int *sub)
    00679 {
    00680   assert(x >= 0 && y >= 0);
    00681
    00682   int new_sub;
    00683   Point tile_xy = PixelToTile(x, y, &new_sub, false);
    00684   tx -= tile_xy.x;
    00685   ty -= tile_xy.y;
    00686
    00687   Point scroll;
    00688   if (new_sub == 0) {
    00689     *sub = 0;
    00690     scroll.x = (tx + this->zoom) * TILE_SIZE;
    00691     scroll.y = (ty - this->zoom) * TILE_SIZE;
    00692   } else {
    00693     *sub = 4 - new_sub;
    00694     scroll.x = (tx + 2 * this->zoom) * TILE_SIZE;
    00695     scroll.y = (ty - 2 * this->zoom) * TILE_SIZE;
    00696   }
    00697   return scroll;
    00698 }
    00699
    00706 void SmallMapWindow::SetZoomLevel(ZoomLevelChange change, const Point *zoom_pt)
    00707 {
    00708   static const int zoomlevels[] = {1, 2, 4, 6, 8}; // Available zoom levels. Bigger number means more zoom-out (further away).
    00709   static const int MIN_ZOOM_INDEX = 0;
    00710   static const int MAX_ZOOM_INDEX = lengthof(zoomlevels) - 1;
    00711
    00712   int new_index, cur_index, sub;
    00713   Point tile;
    00714   switch (change) {
    00715     case ZLC_INITIALIZE:
    00716       cur_index = - 1; // Definitely different from new_index.
    00717       new_index = MIN_ZOOM_INDEX;
    00718       break;
    00719
    00720     case ZLC_ZOOM_IN:
    00721     case ZLC_ZOOM_OUT:
    00722       for (cur_index = MIN_ZOOM_INDEX; cur_index <= MAX_ZOOM_INDEX; cur_index++) {
    00723         if (this->zoom == zoomlevels[cur_index]) break;
    00724       }
    00725       assert(cur_index <= MAX_ZOOM_INDEX);
    00726
    00727       tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00728       new_index = Clamp(cur_index + ((change == ZLC_ZOOM_IN) ? -1 : 1), MIN_ZOOM_INDEX, MAX_ZOOM_INDEX);
    00729       break;
    00730
    00731     default: NOT_REACHED();
    00732   }
    00733
    00734   if (new_index != cur_index) {
    00735     this->zoom = zoomlevels[new_index];
    00736     if (cur_index >= 0) {
    00737       Point new_tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00738       this->SetNewScroll(this->scroll_x + (tile.x - new_tile.x) * TILE_SIZE,
    00739           this->scroll_y + (tile.y - new_tile.y) * TILE_SIZE, sub);
    00740     } else if (this->map_type == SMT_LINKSTATS) {
    00741       this->overlay->RebuildCache();
    00742     }
    00743     this->SetWidgetDisabledState(WID_SM_ZOOM_IN,  this->zoom == zoomlevels[MIN_ZOOM_INDEX]);
    00744     this->SetWidgetDisabledState(WID_SM_ZOOM_OUT, this->zoom == zoomlevels[MAX_ZOOM_INDEX]);
    00745     this->SetDirty();
    00746   }
    00747 }
    00748
    00754 inline uint32 SmallMapWindow::GetTileColours(const TileArea &ta) const
    00755 {
    00756   int importance = 0;
    00757   TileIndex tile = INVALID_TILE; // Position of the most important tile.
    00758   TileType et = MP_VOID;         // Effective tile type at that position.
    00759
    00760   TILE_AREA_LOOP(ti, ta) {
    00761     TileType ttype = GetEffectiveTileType(ti);
    00762     if (_tiletype_importance[ttype] > importance) {
    00763       importance = _tiletype_importance[ttype];
    00764       tile = ti;
    00765       et = ttype;
    00766     }
    00767   }
    00768
    00769   switch (this->map_type) {
    00770     case SMT_CONTOUR:
    00771       return GetSmallMapContoursPixels(tile, et);
    00772
    00773     case SMT_VEHICLES:
    00774       return GetSmallMapVehiclesPixels(tile, et);
    00775
    00776     case SMT_INDUSTRY:
    00777       return GetSmallMapIndustriesPixels(tile, et);
    00778
    00779     case SMT_LINKSTATS:
    00780       return GetSmallMapLinkStatsPixels(tile, et);
    00781
    00782     case SMT_ROUTES:
    00783       return GetSmallMapRoutesPixels(tile, et);
    00784
    00785     case SMT_VEGETATION:
    00786       return GetSmallMapVegetationPixels(tile, et);
    00787
    00788     case SMT_OWNER:
    00789       return GetSmallMapOwnerPixels(tile, et);
    00790
    00791     default: NOT_REACHED();
    00792   }
    00793 }
    00794
    00808 void SmallMapWindow::DrawSmallMapColumn(void *dst, uint xc, uint yc, int pitch, int reps, int start_pos, int end_pos, Blitter *blitter) const
    00809 {
    00810   void *dst_ptr_abs_end = blitter->MoveTo(_screen.dst_ptr, 0, _screen.height);
    00811   uint min_xy = _settings_game.construction.freeform_edges ? 1 : 0;
    00812
    00813   do {
    00814     /* Check if the tile (xc,yc) is within the map range */
    00815     if (xc >= MapMaxX() || yc >= MapMaxY()) continue;
    00816
    00817     /* Check if the dst pointer points to a pixel inside the screen buffer */
    00818     if (dst < _screen.dst_ptr) continue;
    00819     if (dst >= dst_ptr_abs_end) continue;
    00820
    00821     /* Construct tilearea covered by (xc, yc, xc + this->zoom, yc + this->zoom) such that it is within min_xy limits. */
    00822     TileArea ta;
    00823     if (min_xy == 1 && (xc == 0 || yc == 0)) {
    00824       if (this->zoom == 1) continue; // The tile area is empty, don't draw anything.
    00825
    00826       ta = TileArea(TileXY(max(min_xy, xc), max(min_xy, yc)), this->zoom - (xc == 0), this->zoom - (yc == 0));
    00827     } else {
    00828       ta = TileArea(TileXY(xc, yc), this->zoom, this->zoom);
    00829     }
    00830     ta.ClampToMap(); // Clamp to map boundaries (may contain MP_VOID tiles!).
    00831
    00832     uint32 val = this->GetTileColours(ta);
    00833     uint8 *val8 = (uint8 *)&val;
    00834     int idx = max(0, -start_pos);
    00835     for (int pos = max(0, start_pos); pos < end_pos; pos++) {
    00836       blitter->SetPixel(dst, idx, 0, val8[idx]);
    00837       idx++;
    00838     }
    00839   /* Switch to next tile in the column */
    00840   } while (xc += this->zoom, yc += this->zoom, dst = blitter->MoveTo(dst, pitch, 0), --reps != 0);
    00841 }
    00842
    00848 void SmallMapWindow::DrawVehicles(const DrawPixelInfo *dpi, Blitter *blitter) const
    00849 {
    00850   const Vehicle *v;
    00851   FOR_ALL_VEHICLES(v) {
    00852     if (v->type == VEH_EFFECT) continue;
    00853     if (v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) continue;
    00854
    00855     /* Remap into flat coordinates. */
    00856     Point pt = this->RemapTile(v->x_pos / TILE_SIZE, v->y_pos / TILE_SIZE);
    00857
    00858     int y = pt.y - dpi->top;
    00859     if (!IsInsideMM(y, 0, dpi->height)) continue; // y is out of bounds.
    00860
    00861     bool skip = false; // Default is to draw both pixels.
    00862     int x = pt.x - this->subscroll - 3 - dpi->left; // Offset X coordinate.
    00863     if (x < 0) {
    00864       /* if x+1 is 0, that means we're on the very left edge,
    00865        * and should thus only draw a single pixel */
    00866       if (++x != 0) continue;
    00867       skip = true;
    00868     } else if (x >= dpi->width - 1) {
    00869       /* Check if we're at the very right edge, and if so draw only a single pixel */
    00870       if (x != dpi->width - 1) continue;
    00871       skip = true;
    00872     }
    00873
    00874     /* Calculate pointer to pixel and the colour */
    00875     byte colour = (this->map_type == SMT_VEHICLES) ? _vehicle_type_colours[v->type] : PC_WHITE;
    00876
    00877     /* And draw either one or two pixels depending on clipping */
    00878     blitter->SetPixel(dpi->dst_ptr, x, y, colour);
    00879     if (!skip) blitter->SetPixel(dpi->dst_ptr, x + 1, y, colour);
    00880   }
    00881 }
    00882
    00887 void SmallMapWindow::DrawTowns(const DrawPixelInfo *dpi) const
    00888 {
    00889   const Town *t;
    00890   FOR_ALL_TOWNS(t) {
    00891     /* Remap the town coordinate */
    00892     Point pt = this->RemapTile(TileX(t->xy), TileY(t->xy));
    00893     int x = pt.x - this->subscroll - (t->cache.sign.width_small >> 1);
    00894     int y = pt.y;
    00895
    00896     /* Check if the town sign is within bounds */
    00897     if (x + t->cache.sign.width_small > dpi->left &&
    00898         x < dpi->left + dpi->width &&
    00899         y + FONT_HEIGHT_SMALL > dpi->top &&
    00900         y < dpi->top + dpi->height) {
    00901       /* And draw it. */
    00902       SetDParam(0, t->index);
    00903       DrawString(x, x + t->cache.sign.width_small, y, STR_SMALLMAP_TOWN);
    00904     }
    00905   }
    00906 }
    00907
    00911 void SmallMapWindow::DrawMapIndicators() const
    00912 {
    00913   /* Find main viewport. */
    00914   const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    00915
    00916   Point tile = InverseRemapCoords(vp->virtual_left, vp->virtual_top);
    00917   Point tl = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00918   tl.x -= this->subscroll;
    00919
    00920   tile = InverseRemapCoords(vp->virtual_left + vp->virtual_width, vp->virtual_top + vp->virtual_height);
    00921   Point br = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00922   br.x -= this->subscroll;
    00923
    00924   SmallMapWindow::DrawVertMapIndicator(tl.x, tl.y, br.y);
    00925   SmallMapWindow::DrawVertMapIndicator(br.x, tl.y, br.y);
    00926
    00927   SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, tl.y);
    00928   SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, br.y);
    00929 }
    00930
    00942 void SmallMapWindow::DrawSmallMap(DrawPixelInfo *dpi) const
    00943 {
    00944   Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
    00945   DrawPixelInfo *old_dpi;
    00946
    00947   old_dpi = _cur_dpi;
    00948   _cur_dpi = dpi;
    00949
    00950   /* Clear it */
    00951   GfxFillRect(dpi->left, dpi->top, dpi->left + dpi->width - 1, dpi->top + dpi->height - 1, PC_BLACK);
    00952
    00953   /* Which tile is displayed at (dpi->left, dpi->top)? */
    00954   int dx;
    00955   Point tile = this->PixelToTile(dpi->left, dpi->top, &dx);
    00956   int tile_x = this->scroll_x / (int)TILE_SIZE + tile.x;
    00957   int tile_y = this->scroll_y / (int)TILE_SIZE + tile.y;
    00958
    00959   void *ptr = blitter->MoveTo(dpi->dst_ptr, -dx - 4, 0);
    00960   int x = - dx - 4;
    00961   int y = 0;
    00962
    00963   for (;;) {
    00964     /* Distance from left edge */
    00965     if (x >= -3) {
    00966       if (x >= dpi->width) break; // Exit the loop.
    00967
    00968       int end_pos = min(dpi->width, x + 4);
    00969       int reps = (dpi->height - y + 1) / 2; // Number of lines.
    00970       if (reps > 0) {
    00971         this->DrawSmallMapColumn(ptr, tile_x, tile_y, dpi->pitch * 2, reps, x, end_pos, blitter);
    00972       }
    00973     }
    00974
    00975     if (y == 0) {
    00976       tile_y += this->zoom;
    00977       y++;
    00978       ptr = blitter->MoveTo(ptr, 0, 1);
    00979     } else {
    00980       tile_x -= this->zoom;
    00981       y--;
    00982       ptr = blitter->MoveTo(ptr, 0, -1);
    00983     }
    00984     ptr = blitter->MoveTo(ptr, 2, 0);
    00985     x += 2;
    00986   }
    00987
    00988   /* Draw vehicles */
    00989   if (this->map_type == SMT_CONTOUR || this->map_type == SMT_VEHICLES) this->DrawVehicles(dpi, blitter);
    00990
    00991   /* Draw link stat overlay */
    00992   if (this->map_type == SMT_LINKSTATS) this->overlay->Draw(dpi);
    00993
    00994   /* Draw town names */
    00995   if (this->show_towns) this->DrawTowns(dpi);
    00996
    00997   /* Draw map indicators */
    00998   this->DrawMapIndicators();
    00999
    01000   _cur_dpi = old_dpi;
    01001 }
    01002
    01006 void SmallMapWindow::SetupWidgetData()
    01007 {
    01008   StringID legend_tooltip;
    01009   StringID enable_all_tooltip;
    01010   StringID disable_all_tooltip;
    01011   int plane;
    01012   switch (this->map_type) {
    01013     case SMT_INDUSTRY:
    01014       legend_tooltip = STR_SMALLMAP_TOOLTIP_INDUSTRY_SELECTION;
    01015       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_INDUSTRIES;
    01016       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_INDUSTRIES;
    01017       plane = 0;
    01018       break;
    01019
    01020     case SMT_OWNER:
    01021       legend_tooltip = STR_SMALLMAP_TOOLTIP_COMPANY_SELECTION;
    01022       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_COMPANIES;
    01023       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_COMPANIES;
    01024       plane = 0;
    01025       break;
    01026
    01027     case SMT_LINKSTATS:
    01028       legend_tooltip = STR_SMALLMAP_TOOLTIP_CARGO_SELECTION;
    01029       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_CARGOS;
    01030       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_CARGOS;
    01031       plane = 0;
    01032       break;
    01033
    01034     default:
    01035       legend_tooltip = STR_NULL;
    01036       enable_all_tooltip = STR_NULL;
    01037       disable_all_tooltip = STR_NULL;
    01038       plane = 1;
    01039       break;
    01040   }
    01041
    01042   this->GetWidget<NWidgetCore>(WID_SM_LEGEND)->SetDataTip(STR_NULL, legend_tooltip);
    01043   this->GetWidget<NWidgetCore>(WID_SM_ENABLE_ALL)->SetDataTip(STR_SMALLMAP_ENABLE_ALL, enable_all_tooltip);
    01044   this->GetWidget<NWidgetCore>(WID_SM_DISABLE_ALL)->SetDataTip(STR_SMALLMAP_DISABLE_ALL, disable_all_tooltip);
    01045   this->GetWidget<NWidgetStacked>(WID_SM_SELECT_BUTTONS)->SetDisplayedPlane(plane);
    01046 }
    01047
    01048 SmallMapWindow::SmallMapWindow(const WindowDesc *desc, int window_number) : Window(), refresh(FORCE_REFRESH_PERIOD)
    01049 {
    01050   _smallmap_industry_highlight = INVALID_INDUSTRYTYPE;
    01051   this->overlay = new LinkGraphOverlay(this, WID_SM_MAP);
    01052   this->InitNested(desc, window_number);
    01053   this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01054
    01055   BuildLandLegend();
    01056   this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01057
    01058   this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01059
    01060   this->SetupWidgetData();
    01061
    01062   this->SetZoomLevel(ZLC_INITIALIZE, NULL);
    01063   this->SmallMapCenterOnCurrentPos();
    01064   this->SetOverlayCargoMask();
    01065 }
    01066
    01067 /* virtual */ void SmallMapWindow::SetStringParameters(int widget) const
    01068 {
    01069   switch (widget) {
    01070     case WID_SM_CAPTION:
    01071       SetDParam(0, STR_SMALLMAP_TYPE_CONTOURS + this->map_type);
    01072       break;
    01073   }
    01074 }
    01075
    01076 /* virtual */ void SmallMapWindow::OnInit()
    01077 {
    01078   uint min_width = 0;
    01079   this->min_number_of_columns = INDUSTRY_MIN_NUMBER_OF_COLUMNS;
    01080   this->min_number_of_fixed_rows = lengthof(_linkstat_colours_in_legenda);
    01081   for (uint i = 0; i < lengthof(_legend_table); i++) {
    01082     uint height = 0;
    01083     uint num_columns = 1;
    01084     for (const LegendAndColour *tbl = _legend_table[i]; !tbl->end; ++tbl) {
    01085       StringID str;
    01086       if (i == SMT_INDUSTRY) {
    01087         SetDParam(0, tbl->legend);
    01088         SetDParam(1, IndustryPool::MAX_SIZE);
    01089         str = STR_SMALLMAP_INDUSTRY;
    01090       } else if (i == SMT_LINKSTATS) {
    01091         SetDParam(0, tbl->legend);
    01092         str = STR_SMALLMAP_LINKSTATS;
    01093       } else if (i == SMT_OWNER) {
    01094         if (tbl->company != INVALID_COMPANY) {
    01095           if (!Company::IsValidID(tbl->company)) {
    01096             /* Rebuild the owner legend. */
    01097             BuildOwnerLegend();
    01098             this->OnInit();
    01099             return;
    01100           }
    01101           /* Non-fixed legend entries for the owner view. */
    01102           SetDParam(0, tbl->company);
    01103           str = STR_SMALLMAP_COMPANY;
    01104         } else {
    01105           str = tbl->legend;
    01106         }
    01107       } else {
    01108         if (tbl->col_break) {
    01109           this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01110           height = 0;
    01111           num_columns++;
    01112         }
    01113         height++;
    01114         str = tbl->legend;
    01115       }
    01116       min_width = max(GetStringBoundingBox(str).width, min_width);
    01117     }
    01118     this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01119     this->min_number_of_columns = max(this->min_number_of_columns, num_columns);
    01120   }
    01121
    01122   /* The width of a column is the minimum width of all texts + the size of the blob + some spacing */
    01123   this->column_width = min_width + LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01124 }
    01125
    01126 /* virtual */ void SmallMapWindow::OnPaint()
    01127 {
    01128   if (this->map_type == SMT_OWNER) {
    01129     for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01130       if (tbl->company != INVALID_COMPANY && !Company::IsValidID(tbl->company)) {
    01131         /* Rebuild the owner legend. */
    01132         BuildOwnerLegend();
    01133         this->InvalidateData(1);
    01134         break;
    01135       }
    01136     }
    01137   }
    01138
    01139   this->DrawWidgets();
    01140 }
    01141
    01142 /* virtual */ void SmallMapWindow::DrawWidget(const Rect &r, int widget) const
    01143 {
    01144   switch (widget) {
    01145     case WID_SM_MAP: {
    01146       DrawPixelInfo new_dpi;
    01147       if (!FillDrawPixelInfo(&new_dpi, r.left + 1, r.top + 1, r.right - r.left - 1, r.bottom - r.top - 1)) return;
    01148       this->DrawSmallMap(&new_dpi);
    01149       break;
    01150     }
    01151
    01152     case WID_SM_LEGEND: {
    01153       uint columns = this->GetNumberColumnsLegend(r.right - r.left + 1);
    01154       uint number_of_rows = this->GetNumberRowsLegend(columns);
    01155       bool rtl = _current_text_dir == TD_RTL;
    01156       uint y_org = r.top + WD_FRAMERECT_TOP;
    01157       uint x = rtl ? r.right - this->column_width - WD_FRAMERECT_RIGHT : r.left + WD_FRAMERECT_LEFT;
    01158       uint y = y_org;
    01159       uint i = 0; // Row counter for industry legend.
    01160       uint row_height = FONT_HEIGHT_SMALL;
    01161
    01162       uint text_left  = rtl ? 0 : LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT;
    01163       uint text_right = this->column_width - 1 - (rtl ? LEGEND_BLOB_WIDTH + WD_FRAMERECT_RIGHT : 0);
    01164       uint blob_left  = rtl ? this->column_width - 1 - LEGEND_BLOB_WIDTH : 0;
    01165       uint blob_right = rtl ? this->column_width - 1 : LEGEND_BLOB_WIDTH;
    01166
    01167       StringID string = STR_NULL;
    01168       switch (this->map_type) {
    01169         case SMT_INDUSTRY:
    01170           string = STR_SMALLMAP_INDUSTRY;
    01171           break;
    01172         case SMT_LINKSTATS:
    01173           string = STR_SMALLMAP_LINKSTATS;
    01174           break;
    01175         case SMT_OWNER:
    01176           string = STR_SMALLMAP_COMPANY;
    01177           break;
    01178         default:
    01179           break;
    01180       }
    01181
    01182       for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01183         if (tbl->col_break || ((this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER || this->map_type == SMT_LINKSTATS) && i++ >= number_of_rows)) {
    01184           /* Column break needed, continue at top, COLUMN_WIDTH pixels
    01185            * (one "row") to the right. */
    01186           x += rtl ? -(int)this->column_width : this->column_width;
    01187           y = y_org;
    01188           i = 1;
    01189         }
    01190
    01191         uint8 legend_colour = tbl->colour;
    01192
    01193         switch (this->map_type) {
    01194           case SMT_INDUSTRY:
    01195             /* Industry name must be formatted, since it's not in tiny font in the specs.
    01196              * So, draw with a parameter and use the STR_SMALLMAP_INDUSTRY string, which is tiny font */
    01197             SetDParam(0, tbl->legend);
    01198             SetDParam(1, Industry::GetIndustryTypeCount(tbl->type));
    01199             if (tbl->show_on_map && tbl->type == _smallmap_industry_highlight) {
    01200               legend_colour = _smallmap_industry_highlight_state ? PC_WHITE : PC_BLACK;
    01201             }
    01202             /* FALL THROUGH */
    01203           case SMT_LINKSTATS:
    01204             SetDParam(0, tbl->legend);
    01205             /* FALL_THROUGH */
    01206           case SMT_OWNER:
    01207             if (this->map_type != SMT_OWNER || tbl->company != INVALID_COMPANY) {
    01208               if (this->map_type == SMT_OWNER) SetDParam(0, tbl->company);
    01209               if (!tbl->show_on_map) {
    01210                 /* Simply draw the string, not the black border of the legend colour.
    01211                  * This will enforce the idea of the disabled item */
    01212                 DrawString(x + text_left, x + text_right, y, string, TC_GREY);
    01213               } else {
    01214                 DrawString(x + text_left, x + text_right, y, string, TC_BLACK);
    01215                 GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK); // Outer border of the legend colour
    01216               }
    01217               break;
    01218             }
    01219             /* FALL_THROUGH */
    01220           default:
    01221             if (this->map_type == SMT_CONTOUR) SetDParam(0, tbl->height * TILE_HEIGHT_STEP);
    01222             /* Anything that is not an industry or a company is using normal process */
    01223             GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK);
    01224             DrawString(x + text_left, x + text_right, y, tbl->legend);
    01225             break;
    01226         }
    01227         GfxFillRect(x + blob_left + 1, y + 2, x + blob_right - 1, y + row_height - 2, legend_colour); // Legend colour
    01228
    01229         y += row_height;
    01230       }
    01231     }
    01232   }
    01233 }
    01234
    01239 void SmallMapWindow::SwitchMapType(SmallMapType map_type)
    01240 {
    01241   this->RaiseWidget(this->map_type + WID_SM_CONTOUR);
    01242   this->map_type = map_type;
    01243   this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01244
    01245   this->SetupWidgetData();
    01246
    01247   if (map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01248   this->SetDirty();
    01249 }
    01250
    01259 inline uint SmallMapWindow::GetNumberRowsLegend(uint columns) const
    01260 {
    01261   /* Reserve one column for link colours */
    01262   uint num_rows_linkstats = CeilDiv(_smallmap_cargo_count, columns - 1);
    01263   uint num_rows_others = CeilDiv(max(_smallmap_industry_count,_smallmap_company_count), columns);
    01264   return max(this->min_number_of_fixed_rows, max(num_rows_linkstats, num_rows_others));
    01265 }
    01266
    01278 void SmallMapWindow::SelectLegendItem(int click_pos, LegendAndColour *legend, int end_legend_item, int begin_legend_item)
    01279 {
    01280   if (_ctrl_pressed) {
    01281     /* Disable all, except the clicked one */
    01282     bool changes = false;
    01283     for (int i = begin_legend_item; i != end_legend_item; i++) {
    01284       bool new_state = (i == click_pos);
    01285       if (legend[i].show_on_map != new_state) {
    01286         changes = true;
    01287         legend[i].show_on_map = new_state;
    01288       }
    01289     }
    01290     if (!changes) {
    01291       /* Nothing changed? Then show all (again). */
    01292       for (int i = begin_legend_item; i != end_legend_item; i++) {
    01293         legend[i].show_on_map = true;
    01294       }
    01295     }
    01296   } else {
    01297     legend[click_pos].show_on_map = !legend[click_pos].show_on_map;
    01298   }
    01299 }
    01300
    01304 void SmallMapWindow::SetOverlayCargoMask()
    01305 {
    01306   uint32 cargo_mask = 0;
    01307   for (int i = 0; i != _smallmap_cargo_count; ++i) {
    01308     if (_legend_linkstats[i].show_on_map) SetBit(cargo_mask, _legend_linkstats[i].type);
    01309   }
    01310   this->overlay->SetCargoMask(cargo_mask);
    01311   this->overlay->RebuildCache();
    01312 }
    01313
    01319 int SmallMapWindow::GetPositionOnLegend(Point pt)
    01320 {
    01321   const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_LEGEND);
    01322   uint line = (pt.y - wi->pos_y - WD_FRAMERECT_TOP) / FONT_HEIGHT_SMALL;
    01323   uint columns = this->GetNumberColumnsLegend(wi->current_x);
    01324   uint number_of_rows = this->GetNumberRowsLegend(columns);
    01325   if (line >= number_of_rows) return -1;
    01326
    01327   bool rtl = _current_text_dir == TD_RTL;
    01328   int x = pt.x - wi->pos_x;
    01329   if (rtl) x = wi->current_x - x;
    01330   uint column = (x - WD_FRAMERECT_LEFT) / this->column_width;
    01331
    01332   return (column * number_of_rows) + line;
    01333 }
    01334
    01335 /* virtual */ void SmallMapWindow::OnMouseOver(Point pt, int widget)
    01336 {
    01337   IndustryType new_highlight = INVALID_INDUSTRYTYPE;
    01338   if (widget == WID_SM_LEGEND && this->map_type == SMT_INDUSTRY) {
    01339     int industry_pos = GetPositionOnLegend(pt);
    01340     if (industry_pos >= 0 && industry_pos < _smallmap_industry_count) {
    01341       new_highlight = _legend_from_industries[industry_pos].type;
    01342     }
    01343   }
    01344   if (new_highlight != _smallmap_industry_highlight) {
    01345     _smallmap_industry_highlight = new_highlight;
    01346     this->refresh = _smallmap_industry_highlight != INVALID_INDUSTRYTYPE ? BLINK_PERIOD : FORCE_REFRESH_PERIOD;
    01347     _smallmap_industry_highlight_state = true;
    01348     this->SetDirty();
    01349   }
    01350 }
    01351
    01352 /* virtual */ void SmallMapWindow::OnClick(Point pt, int widget, int click_count)
    01353 {
    01354   /* User clicked something, notify the industry chain window to stop sending newly selected industries. */
    01355   InvalidateWindowClassesData(WC_INDUSTRY_CARGOES, NUM_INDUSTRYTYPES);
    01356
    01357   switch (widget) {
    01358     case WID_SM_MAP: { // Map window
    01359       /*
    01360        * XXX: scrolling with the left mouse button is done by subsequently
    01361        * clicking with the left mouse button; clicking once centers the
    01362        * large map at the selected point. So by unclicking the left mouse
    01363        * button here, it gets reclicked during the next inputloop, which
    01364        * would make it look like the mouse is being dragged, while it is
    01365        * actually being (virtually) clicked every inputloop.
    01366        */
    01367       _left_button_clicked = false;
    01368
    01369       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01370       Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    01371       int sub;
    01372       pt = this->PixelToTile(pt.x - wid->pos_x, pt.y - wid->pos_y, &sub);
    01373       pt = RemapCoords(this->scroll_x + pt.x * TILE_SIZE + this->zoom * (TILE_SIZE - sub * TILE_SIZE / 4),
    01374           this->scroll_y + pt.y * TILE_SIZE + sub * this->zoom * TILE_SIZE / 4, 0);
    01375
    01376       w->viewport->follow_vehicle = INVALID_VEHICLE;
    01377       w->viewport->dest_scrollpos_x = pt.x - (w->viewport->virtual_width  >> 1);
    01378       w->viewport->dest_scrollpos_y = pt.y - (w->viewport->virtual_height >> 1);
    01379
    01380       this->SetDirty();
    01381       break;
    01382     }
    01383
    01384     case WID_SM_ZOOM_IN:
    01385     case WID_SM_ZOOM_OUT: {
    01386       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01387       Point pt = {wid->current_x / 2, wid->current_y / 2};
    01388       this->SetZoomLevel((widget == WID_SM_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01389       if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01390       break;
    01391     }
    01392
    01393     case WID_SM_CONTOUR:    // Show land contours
    01394     case WID_SM_VEHICLES:   // Show vehicles
    01395     case WID_SM_INDUSTRIES: // Show industries
    01396     case WID_SM_LINKSTATS:  // Show route map
    01397     case WID_SM_ROUTES:     // Show transport routes
    01398     case WID_SM_VEGETATION: // Show vegetation
    01399     case WID_SM_OWNERS:     // Show land owners
    01400       this->SwitchMapType((SmallMapType)(widget - WID_SM_CONTOUR));
    01401       if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01402       break;
    01403
    01404     case WID_SM_CENTERMAP: // Center the smallmap again
    01405       this->SmallMapCenterOnCurrentPos();
    01406       this->HandleButtonClick(WID_SM_CENTERMAP);
    01407       if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01408       break;
    01409
    01410     case WID_SM_TOGGLETOWNNAME: // Toggle town names
    01411       this->show_towns = !this->show_towns;
    01412       this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01413
    01414       this->SetDirty();
    01415       if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01416       break;
    01417
    01418     case WID_SM_LEGEND: // Legend
    01419       if (this->map_type == SMT_INDUSTRY || this->map_type == SMT_LINKSTATS || this->map_type == SMT_OWNER) {
    01420         int click_pos = this->GetPositionOnLegend(pt);
    01421         /* If industry type small map*/
    01422         if (this->map_type == SMT_INDUSTRY) {
    01423           /* If click on industries label, find right industry type and enable/disable it. */
    01424           if (click_pos >= 0 && click_pos < _smallmap_industry_count) {
    01425             this->SelectLegendItem(click_pos, _legend_from_industries, _smallmap_industry_count);
    01426           }
    01427         } else if (this->map_type == SMT_LINKSTATS) {
    01428           if (click_pos < _smallmap_cargo_count) {
    01429             this->SelectLegendItem(click_pos, _legend_linkstats, _smallmap_cargo_count);
    01430             this->SetOverlayCargoMask();
    01431           }
    01432         } else if (this->map_type == SMT_OWNER) {
    01433           if (click_pos < _smallmap_company_count) {
    01434             this->SelectLegendItem(click_pos, _legend_land_owners, _smallmap_company_count, NUM_NO_COMPANY_ENTRIES);
    01435           }
    01436         }
    01437         this->SetDirty();
    01438       }
    01439       break;
    01440
    01441     case WID_SM_ENABLE_ALL:
    01442       /* FALL THROUGH */
    01443     case WID_SM_DISABLE_ALL: {
    01444       LegendAndColour *tbl = NULL;
    01445       switch (this->map_type) {
    01446         case SMT_INDUSTRY:
    01447           tbl = _legend_from_industries;
    01448           break;
    01449         case SMT_OWNER:
    01450           tbl = &(_legend_land_owners[NUM_NO_COMPANY_ENTRIES]);
    01451           break;
    01452         case SMT_LINKSTATS:
    01453           tbl = _legend_linkstats;
    01454           break;
    01455         default:
    01456           NOT_REACHED();
    01457       }
    01458       for (;!tbl->end && tbl->legend != STR_LINKGRAPH_LEGEND_UNUSED; ++tbl) {
    01459         tbl->show_on_map = (widget == WID_SM_ENABLE_ALL);
    01460       }
    01461       if (this->map_type == SMT_LINKSTATS) this->SetOverlayCargoMask();
    01462       this->SetDirty();
    01463       break;
    01464     }
    01465
    01466     case WID_SM_SHOW_HEIGHT: // Enable/disable showing of heightmap.
    01467       _smallmap_show_heightmap = !_smallmap_show_heightmap;
    01468       this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01469       this->SetDirty();
    01470       break;
    01471   }
    01472 }
    01473
    01481 /* virtual */ void SmallMapWindow::OnInvalidateData(int data, bool gui_scope)
    01482 {
    01483   if (!gui_scope) return;
    01484   switch (data) {
    01485     case 1:
    01486       /* The owner legend has already been rebuilt. */
    01487       this->ReInit();
    01488       break;
    01489
    01490     case 0: {
    01491       extern uint64 _displayed_industries;
    01492       if (this->map_type != SMT_INDUSTRY) this->SwitchMapType(SMT_INDUSTRY);
    01493
    01494       for (int i = 0; i != _smallmap_industry_count; i++) {
    01495         _legend_from_industries[i].show_on_map = HasBit(_displayed_industries, _legend_from_industries[i].type);
    01496       }
    01497       break;
    01498     }
    01499
    01500     default: NOT_REACHED();
    01501   }
    01502   this->SetDirty();
    01503 }
    01504
    01505 /* virtual */ bool SmallMapWindow::OnRightClick(Point pt, int widget)
    01506 {
    01507   if (widget != WID_SM_MAP || _scrolling_viewport) return false;
    01508
    01509   _scrolling_viewport = true;
    01510   return true;
    01511 }
    01512
    01513 /* virtual */ void SmallMapWindow::OnMouseWheel(int wheel)
    01514 {
    01515   if (_settings_client.gui.scrollwheel_scrolling == 0) {
    01516     const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01517     int cursor_x = _cursor.pos.x - this->left - wid->pos_x;
    01518     int cursor_y = _cursor.pos.y - this->top  - wid->pos_y;
    01519     if (IsInsideMM(cursor_x, 0, wid->current_x) && IsInsideMM(cursor_y, 0, wid->current_y)) {
    01520       Point pt = {cursor_x, cursor_y};
    01521       this->SetZoomLevel((wheel < 0) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01522     }
    01523   }
    01524 }
    01525
    01526 /* virtual */ void SmallMapWindow::OnTick()
    01527 {
    01528   /* Update the window every now and then */
    01529   if (--this->refresh != 0) return;
    01530
    01531   if (this->map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01532   _smallmap_industry_highlight_state = !_smallmap_industry_highlight_state;
    01533
    01534   this->refresh = _smallmap_industry_highlight != INVALID_INDUSTRYTYPE ? BLINK_PERIOD : FORCE_REFRESH_PERIOD;
    01535   this->SetDirty();
    01536 }
    01537
    01545 void SmallMapWindow::SetNewScroll(int sx, int sy, int sub)
    01546 {
    01547   const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01548   Point hv = InverseRemapCoords(wi->current_x * ZOOM_LVL_BASE * TILE_SIZE / 2, wi->current_y * ZOOM_LVL_BASE * TILE_SIZE / 2);
    01549   hv.x *= this->zoom;
    01550   hv.y *= this->zoom;
    01551
    01552   if (sx < -hv.x) {
    01553     sx = -hv.x;
    01554     sub = 0;
    01555   }
    01556   if (sx > (int)(MapMaxX() * TILE_SIZE) - hv.x) {
    01557     sx = MapMaxX() * TILE_SIZE - hv.x;
    01558     sub = 0;
    01559   }
    01560   if (sy < -hv.y) {
    01561     sy = -hv.y;
    01562     sub = 0;
    01563   }
    01564   if (sy > (int)(MapMaxY() * TILE_SIZE) - hv.y) {
    01565     sy = MapMaxY() * TILE_SIZE - hv.y;
    01566     sub = 0;
    01567   }
    01568
    01569   this->scroll_x = sx;
    01570   this->scroll_y = sy;
    01571   this->subscroll = sub;
    01572   if (this->map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01573 }
    01574
    01575 /* virtual */ void SmallMapWindow::OnScroll(Point delta)
    01576 {
    01577   _cursor.fix_at = true;
    01578
    01579   /* While tile is at (delta.x, delta.y)? */
    01580   int sub;
    01581   Point pt = this->PixelToTile(delta.x, delta.y, &sub);
    01582   this->SetNewScroll(this->scroll_x + pt.x * TILE_SIZE, this->scroll_y + pt.y * TILE_SIZE, sub);
    01583
    01584   this->SetDirty();
    01585 }
    01586
    01587 void SmallMapWindow::SmallMapCenterOnCurrentPos()
    01588 {
    01589   const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    01590   Point pt = InverseRemapCoords(vp->virtual_left + vp->virtual_width  / 2, vp->virtual_top  + vp->virtual_height / 2);
    01591
    01592   int sub;
    01593   const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01594   Point sxy = this->ComputeScroll(pt.x / TILE_SIZE, pt.y / TILE_SIZE, max(0, (int)wid->current_x / 2 - 2), wid->current_y / 2, &sub);
    01595   this->SetNewScroll(sxy.x, sxy.y, sub);
    01596   this->SetDirty();
    01597 }
    01598
    01604 Point SmallMapWindow::GetStationMiddle(const Station *st) const
    01605 {
    01606   int x = (st->rect.right + st->rect.left + 1) / 2;
    01607   int y = (st->rect.bottom + st->rect.top + 1) / 2;
    01608   Point ret = this->RemapTile(x, y);
    01609
    01610   /* Same magic 3 as in DrawVehicles; that's where I got it from.
    01611    * No idea what it is, but without it the result looks bad.
    01612    */
    01613   ret.x -= 3 + this->subscroll;
    01614   return ret;
    01615 }
    01616
    01617 SmallMapWindow::SmallMapType SmallMapWindow::map_type = SMT_CONTOUR;
    01618 bool SmallMapWindow::show_towns = true;
    01619
    01628 class NWidgetSmallmapDisplay : public NWidgetContainer {
    01629   const SmallMapWindow *smallmap_window;
    01630 public:
    01631   NWidgetSmallmapDisplay() : NWidgetContainer(NWID_VERTICAL)
    01632   {
    01633     this->smallmap_window = NULL;
    01634   }
    01635
    01636   virtual void SetupSmallestSize(Window *w, bool init_array)
    01637   {
    01638     NWidgetBase *display = this->head;
    01639     NWidgetBase *bar = display->next;
    01640
    01641     display->SetupSmallestSize(w, init_array);
    01642     bar->SetupSmallestSize(w, init_array);
    01643
    01644     this->smallmap_window = dynamic_cast<SmallMapWindow *>(w);
    01645     this->smallest_x = max(display->smallest_x, bar->smallest_x + smallmap_window->GetMinLegendWidth());
    01646     this->smallest_y = display->smallest_y + max(bar->smallest_y, smallmap_window->GetLegendHeight(smallmap_window->min_number_of_columns));
    01647     this->fill_x = max(display->fill_x, bar->fill_x);
    01648     this->fill_y = (display->fill_y == 0 && bar->fill_y == 0) ? 0 : min(display->fill_y, bar->fill_y);
    01649     this->resize_x = max(display->resize_x, bar->resize_x);
    01650     this->resize_y = min(display->resize_y, bar->resize_y);
    01651   }
    01652
    01653   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
    01654   {
    01655     this->pos_x = x;
    01656     this->pos_y = y;
    01657     this->current_x = given_width;
    01658     this->current_y = given_height;
    01659
    01660     NWidgetBase *display = this->head;
    01661     NWidgetBase *bar = display->next;
    01662
    01663     if (sizing == ST_SMALLEST) {
    01664       this->smallest_x = given_width;
    01665       this->smallest_y = given_height;
    01666       /* Make display and bar exactly equal to their minimal size. */
    01667       display->AssignSizePosition(ST_SMALLEST, x, y, display->smallest_x, display->smallest_y, rtl);
    01668       bar->AssignSizePosition(ST_SMALLEST, x, y + display->smallest_y, bar->smallest_x, bar->smallest_y, rtl);
    01669     }
    01670
    01671     uint bar_height = max(bar->smallest_y, this->smallmap_window->GetLegendHeight(this->smallmap_window->GetNumberColumnsLegend(given_width - bar->smallest_x)));
    01672     uint display_height = given_height - bar_height;
    01673     display->AssignSizePosition(ST_RESIZE, x, y, given_width, display_height, rtl);
    01674     bar->AssignSizePosition(ST_RESIZE, x, y + display_height, given_width, bar_height, rtl);
    01675   }
    01676
    01677   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
    01678   {
    01679     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
    01680     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
    01681       NWidgetCore *widget = child_wid->GetWidgetFromPos(x, y);
    01682       if (widget != NULL) return widget;
    01683     }
    01684     return NULL;
    01685   }
    01686
    01687   virtual void Draw(const Window *w)
    01688   {
    01689     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) child_wid->Draw(w);
    01690   }
    01691 };
    01692
    01694 static const NWidgetPart _nested_smallmap_display[] = {
    01695   NWidget(WWT_PANEL, COLOUR_BROWN, WID_SM_MAP_BORDER),
    01696     NWidget(WWT_INSET, COLOUR_BROWN, WID_SM_MAP), SetMinimalSize(346, 140), SetResize(1, 1), SetPadding(2, 2, 2, 2), EndContainer(),
    01697   EndContainer(),
    01698 };
    01699
    01701 static const NWidgetPart _nested_smallmap_bar[] = {
    01702   NWidget(WWT_PANEL, COLOUR_BROWN),
    01703     NWidget(NWID_HORIZONTAL),
    01704       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SM_LEGEND), SetResize(1, 1),
    01705       NWidget(NWID_VERTICAL),
    01706         /* Top button row. */
    01707         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01708           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_IN),
    01709               SetDataTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN), SetFill(1, 1),
    01710           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_CENTERMAP),
    01711               SetDataTip(SPR_IMG_SMALLMAP, STR_SMALLMAP_CENTER), SetFill(1, 1),
    01712           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_BLANK),
    01713               SetDataTip(SPR_DOT_SMALL, STR_NULL), SetFill(1, 1),
    01714           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_CONTOUR),
    01715               SetDataTip(SPR_IMG_SHOW_COUNTOURS, STR_SMALLMAP_TOOLTIP_SHOW_LAND_CONTOURS_ON_MAP), SetFill(1, 1),
    01716           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEHICLES),
    01717               SetDataTip(SPR_IMG_SHOW_VEHICLES, STR_SMALLMAP_TOOLTIP_SHOW_VEHICLES_ON_MAP), SetFill(1, 1),
    01718           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_INDUSTRIES),
    01719               SetDataTip(SPR_IMG_INDUSTRY, STR_SMALLMAP_TOOLTIP_SHOW_INDUSTRIES_ON_MAP), SetFill(1, 1),
    01720         EndContainer(),
    01721         /* Bottom button row. */
    01722         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01723           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_OUT),
    01724               SetDataTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT), SetFill(1, 1),
    01725           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_TOGGLETOWNNAME),
    01726               SetDataTip(SPR_IMG_TOWN, STR_SMALLMAP_TOOLTIP_TOGGLE_TOWN_NAMES_ON_OFF), SetFill(1, 1),
    01727           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_LINKSTATS),
    01728               SetDataTip(SPR_IMG_GRAPHS, STR_SMALLMAP_TOOLTIP_SHOW_LINK_STATS_ON_MAP), SetFill(1, 1),
    01729           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_ROUTES),
    01730               SetDataTip(SPR_IMG_SHOW_ROUTES, STR_SMALLMAP_TOOLTIP_SHOW_TRANSPORT_ROUTES_ON), SetFill(1, 1),
    01731           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEGETATION),
    01732               SetDataTip(SPR_IMG_PLANTTREES, STR_SMALLMAP_TOOLTIP_SHOW_VEGETATION_ON_MAP), SetFill(1, 1),
    01733           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_OWNERS),
    01734               SetDataTip(SPR_IMG_COMPANY_GENERAL, STR_SMALLMAP_TOOLTIP_SHOW_LAND_OWNERS_ON_MAP), SetFill(1, 1),
    01735         EndContainer(),
    01736         NWidget(NWID_SPACER), SetResize(0, 1),
    01737       EndContainer(),
    01738     EndContainer(),
    01739   EndContainer(),
    01740 };
    01741
    01742 static NWidgetBase *SmallMapDisplay(int *biggest_index)
    01743 {
    01744   NWidgetContainer *map_display = new NWidgetSmallmapDisplay;
    01745
    01746   MakeNWidgets(_nested_smallmap_display, lengthof(_nested_smallmap_display), biggest_index, map_display);
    01747   MakeNWidgets(_nested_smallmap_bar, lengthof(_nested_smallmap_bar), biggest_index, map_display);
    01748   return map_display;
    01749 }
    01750
    01751
    01752 static const NWidgetPart _nested_smallmap_widgets[] = {
    01753   NWidget(NWID_HORIZONTAL),
    01754     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01755     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_SM_CAPTION), SetDataTip(STR_SMALLMAP_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01756     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01757     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01758   EndContainer(),
    01759   NWidgetFunction(SmallMapDisplay), // Smallmap display and legend bar + image buttons.
    01760   /* Bottom button row and resize box. */
    01761   NWidget(NWID_HORIZONTAL),
    01762     NWidget(WWT_PANEL, COLOUR_BROWN),
    01763       NWidget(NWID_HORIZONTAL),
    01764         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_SM_SELECT_BUTTONS),
    01765           NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01766             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_ENABLE_ALL), SetDataTip(STR_SMALLMAP_ENABLE_ALL, STR_NULL),
    01767             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_DISABLE_ALL), SetDataTip(STR_SMALLMAP_DISABLE_ALL, STR_NULL),
    01768             NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_SM_SHOW_HEIGHT), SetDataTip(STR_SMALLMAP_SHOW_HEIGHT, STR_SMALLMAP_TOOLTIP_SHOW_HEIGHT),
    01769           EndContainer(),
    01770           NWidget(NWID_SPACER), SetFill(1, 1),
    01771         EndContainer(),
    01772         NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
    01773       EndContainer(),
    01774     EndContainer(),
    01775     NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01776   EndContainer(),
    01777 };
    01778
    01779 static const WindowDesc _smallmap_desc(
    01780   WDP_AUTO, 484, 314,
    01781   WC_SMALLMAP, WC_NONE,
    01782   0,
    01783   _nested_smallmap_widgets, lengthof(_nested_smallmap_widgets)
    01784 );
    01785
    01789 void ShowSmallMap()
    01790 {
    01791   AllocateWindowDescFront<SmallMapWindow>(&_smallmap_desc, 0);
    01792 }
    01793
    01802 bool ScrollMainWindowTo(int x, int y, int z, bool instant)
    01803 {
    01804   bool res = ScrollWindowTo(x, y, z, FindWindowById(WC_MAIN_WINDOW, 0), instant);
    01805
    01806   /* If a user scrolls to a tile (via what way what so ever) and already is on
    01807    * that tile (e.g.: pressed twice), move the smallmap to that location,
    01808    * so you directly see where you are on the smallmap. */
    01809
    01810   if (res) return res;
    01811
    01812   SmallMapWindow *w = dynamic_cast<SmallMapWindow*>(FindWindowById(WC_SMALLMAP, 0));
    01813   if (w != NULL) w->SmallMapCenterOnCurrentPos();
    01814
    01815   return res;
    01816 }