# smallmap_gui.cpp

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    00001 /* $Id: smallmap_gui.cpp 23704 2012-01-01 17:22:32Z alberth $ */
    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 "window_gui.h"
    00018 #include "tree_map.h"
    00019 #include "viewport_func.h"
    00020 #include "town.h"
    00021 #include "blitter/factory.hpp"
    00022 #include "tunnelbridge_map.h"
    00023 #include "strings_func.h"
    00024 #include "core/endian_func.hpp"
    00025 #include "vehicle_base.h"
    00026 #include "sound_func.h"
    00027 #include "window_func.h"
    00028 #include "company_base.h"
    00029
    00030 #include "widgets/smallmap_widget.h"
    00031
    00032 #include "table/strings.h"
    00033
    00034 static int _smallmap_industry_count;
    00035 static int _smallmap_company_count;
    00036
    00037 static const int NUM_NO_COMPANY_ENTRIES = 4;
    00038
    00039 static const uint8 PC_ROUGH_LAND      = 0x52;
    00040 static const uint8 PC_GRASS_LAND      = 0x54;
    00041 static const uint8 PC_BARE_LAND       = 0x37;
    00042 static const uint8 PC_FIELDS          = 0x25;
    00043 static const uint8 PC_TREES           = 0x57;
    00044 static const uint8 PC_WATER           = 0xCA;
    00045
    00047 #define MK(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, false}
    00048
    00050 #define MC(height)  {0, STR_TINY_BLACK_HEIGHT, INVALID_INDUSTRYTYPE, height, INVALID_COMPANY, true, false, false}
    00051
    00053 #define MO(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, false}
    00054
    00056 #define MOEND() {0, 0, INVALID_INDUSTRYTYPE, 0, OWNER_NONE, true, true, false}
    00057
    00059 #define MKEND() {0, STR_NULL, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, true, false}
    00060
    00065 #define MS(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, true}
    00066
    00068 struct LegendAndColour {
    00069   uint8 colour;
    00070   StringID legend;
    00071   IndustryType type;
    00072   uint8 height;
    00073   CompanyID company;
    00074   bool show_on_map;
    00075   bool end;
    00076   bool col_break;
    00077 };
    00078
    00080 static LegendAndColour _legend_land_contours[] = {
    00081   /* The colours for the following values are set at BuildLandLegend() based on each colour scheme. */
    00082   MC(0),
    00083   MC(4),
    00084   MC(8),
    00085   MC(12),
    00086   MC(14),
    00087
    00088   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00089   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00090   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_STATIONS_AIRPORTS_DOCKS),
    00091   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00092   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_VEHICLES),
    00093   MKEND()
    00094 };
    00095
    00096 static const LegendAndColour _legend_vehicles[] = {
    00097   MK(PC_RED,             STR_SMALLMAP_LEGENDA_TRAINS),
    00098   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_ROAD_VEHICLES),
    00099   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SHIPS),
    00100   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_AIRCRAFT),
    00101
    00102   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00103   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00104   MKEND()
    00105 };
    00106
    00107 static const LegendAndColour _legend_routes[] = {
    00108   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00109   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00110   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00111
    00112   MS(PC_VERY_DARK_BROWN, STR_SMALLMAP_LEGENDA_RAILROAD_STATION),
    00113   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_TRUCK_LOADING_BAY),
    00114   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_BUS_STATION),
    00115   MK(PC_RED,             STR_SMALLMAP_LEGENDA_AIRPORT_HELIPORT),
    00116   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_DOCK),
    00117   MKEND()
    00118 };
    00119
    00120 static const LegendAndColour _legend_vegetation[] = {
    00121   MK(PC_ROUGH_LAND,      STR_SMALLMAP_LEGENDA_ROUGH_LAND),
    00122   MK(PC_GRASS_LAND,      STR_SMALLMAP_LEGENDA_GRASS_LAND),
    00123   MK(PC_BARE_LAND,       STR_SMALLMAP_LEGENDA_BARE_LAND),
    00124   MK(PC_FIELDS,          STR_SMALLMAP_LEGENDA_FIELDS),
    00125   MK(PC_TREES,           STR_SMALLMAP_LEGENDA_TREES),
    00126   MK(PC_GREEN,           STR_SMALLMAP_LEGENDA_FOREST),
    00127
    00128   MS(PC_GREY,            STR_SMALLMAP_LEGENDA_ROCKS),
    00129   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_DESERT),
    00130   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SNOW),
    00131   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00132   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00133   MKEND()
    00134 };
    00135
    00136 static LegendAndColour _legend_land_owners[NUM_NO_COMPANY_ENTRIES + MAX_COMPANIES + 1] = {
    00137   MO(PC_WATER,           STR_SMALLMAP_LEGENDA_WATER),
    00138   MO(0x00,               STR_SMALLMAP_LEGENDA_NO_OWNER), // This colour will vary depending on settings.
    00139   MO(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_TOWNS),
    00140   MO(PC_DARK_GREY,       STR_SMALLMAP_LEGENDA_INDUSTRIES),
    00141   /* The legend will be terminated the first time it is used. */
    00142   MOEND(),
    00143 };
    00144
    00145 #undef MK
    00146 #undef MC
    00147 #undef MS
    00148 #undef MO
    00149 #undef MOEND
    00150 #undef MKEND
    00151
    00156 static LegendAndColour _legend_from_industries[NUM_INDUSTRYTYPES + 1];
    00158 static uint _industry_to_list_pos[NUM_INDUSTRYTYPES];
    00160 static bool _smallmap_show_heightmap = false;
    00162 static uint _company_to_list_pos[MAX_COMPANIES];
    00163
    00167 void BuildIndustriesLegend()
    00168 {
    00169   uint j = 0;
    00170
    00171   /* Add each name */
    00172   for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
    00173     IndustryType ind = _sorted_industry_types[i];
    00174     const IndustrySpec *indsp = GetIndustrySpec(ind);
    00175     if (indsp->enabled) {
    00176       _legend_from_industries[j].legend = indsp->name;
    00177       _legend_from_industries[j].colour = indsp->map_colour;
    00178       _legend_from_industries[j].type = ind;
    00179       _legend_from_industries[j].show_on_map = true;
    00180       _legend_from_industries[j].col_break = false;
    00181       _legend_from_industries[j].end = false;
    00182
    00183       /* Store widget number for this industry type. */
    00184       _industry_to_list_pos[ind] = j;
    00185       j++;
    00186     }
    00187   }
    00188   /* Terminate the list */
    00189   _legend_from_industries[j].end = true;
    00190
    00191   /* Store number of enabled industries */
    00192   _smallmap_industry_count = j;
    00193 }
    00194
    00195 static const LegendAndColour * const _legend_table[] = {
    00196   _legend_land_contours,
    00197   _legend_vehicles,
    00198   _legend_from_industries,
    00199   _legend_routes,
    00200   _legend_vegetation,
    00201   _legend_land_owners,
    00202 };
    00203
    00204 #define MKCOLOUR(x)         TO_LE32X(x)
    00205
    00206 #define MKCOLOUR_XXXX(x)    (MKCOLOUR(0x01010101) * (uint)(x))
    00207 #define MKCOLOUR_X0X0(x)    (MKCOLOUR(0x01000100) * (uint)(x))
    00208 #define MKCOLOUR_0X0X(x)    (MKCOLOUR(0x00010001) * (uint)(x))
    00209 #define MKCOLOUR_0XX0(x)    (MKCOLOUR(0x00010100) * (uint)(x))
    00210 #define MKCOLOUR_X00X(x)    (MKCOLOUR(0x01000001) * (uint)(x))
    00211
    00212 #define MKCOLOUR_XYXY(x, y) (MKCOLOUR_X0X0(x) | MKCOLOUR_0X0X(y))
    00213 #define MKCOLOUR_XYYX(x, y) (MKCOLOUR_X00X(x) | MKCOLOUR_0XX0(y))
    00214
    00215 #define MKCOLOUR_0000       MKCOLOUR_XXXX(0x00)
    00216 #define MKCOLOUR_0FF0       MKCOLOUR_0XX0(0xFF)
    00217 #define MKCOLOUR_F00F       MKCOLOUR_X00X(0xFF)
    00218 #define MKCOLOUR_FFFF       MKCOLOUR_XXXX(0xFF)
    00219
    00221 static const uint32 _green_map_heights[] = {
    00222   MKCOLOUR_XXXX(0x5A),
    00223   MKCOLOUR_XYXY(0x5A, 0x5B),
    00224   MKCOLOUR_XXXX(0x5B),
    00225   MKCOLOUR_XYXY(0x5B, 0x5C),
    00226   MKCOLOUR_XXXX(0x5C),
    00227   MKCOLOUR_XYXY(0x5C, 0x5D),
    00228   MKCOLOUR_XXXX(0x5D),
    00229   MKCOLOUR_XYXY(0x5D, 0x5E),
    00230   MKCOLOUR_XXXX(0x5E),
    00231   MKCOLOUR_XYXY(0x5E, 0x5F),
    00232   MKCOLOUR_XXXX(0x5F),
    00233   MKCOLOUR_XYXY(0x5F, 0x1F),
    00234   MKCOLOUR_XXXX(0x1F),
    00235   MKCOLOUR_XYXY(0x1F, 0x27),
    00236   MKCOLOUR_XXXX(0x27),
    00237   MKCOLOUR_XXXX(0x27),
    00238 };
    00239 assert_compile(lengthof(_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00240
    00242 static const uint32 _dark_green_map_heights[] = {
    00243   MKCOLOUR_XXXX(0x60),
    00244   MKCOLOUR_XYXY(0x60, 0x61),
    00245   MKCOLOUR_XXXX(0x61),
    00246   MKCOLOUR_XYXY(0x61, 0x62),
    00247   MKCOLOUR_XXXX(0x62),
    00248   MKCOLOUR_XYXY(0x62, 0x63),
    00249   MKCOLOUR_XXXX(0x63),
    00250   MKCOLOUR_XYXY(0x63, 0x64),
    00251   MKCOLOUR_XXXX(0x64),
    00252   MKCOLOUR_XYXY(0x64, 0x65),
    00253   MKCOLOUR_XXXX(0x65),
    00254   MKCOLOUR_XYXY(0x65, 0x66),
    00255   MKCOLOUR_XXXX(0x66),
    00256   MKCOLOUR_XYXY(0x66, 0x67),
    00257   MKCOLOUR_XXXX(0x67),
    00258   MKCOLOUR_XXXX(0x67),
    00259 };
    00260 assert_compile(lengthof(_dark_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00261
    00263 static const uint32 _violet_map_heights[] = {
    00264   MKCOLOUR_XXXX(0x80),
    00265   MKCOLOUR_XYXY(0x80, 0x81),
    00266   MKCOLOUR_XXXX(0x81),
    00267   MKCOLOUR_XYXY(0x81, 0x82),
    00268   MKCOLOUR_XXXX(0x82),
    00269   MKCOLOUR_XYXY(0x82, 0x83),
    00270   MKCOLOUR_XXXX(0x83),
    00271   MKCOLOUR_XYXY(0x83, 0x84),
    00272   MKCOLOUR_XXXX(0x84),
    00273   MKCOLOUR_XYXY(0x84, 0x85),
    00274   MKCOLOUR_XXXX(0x85),
    00275   MKCOLOUR_XYXY(0x85, 0x86),
    00276   MKCOLOUR_XXXX(0x86),
    00277   MKCOLOUR_XYXY(0x86, 0x87),
    00278   MKCOLOUR_XXXX(0x87),
    00279   MKCOLOUR_XXXX(0x87),
    00280 };
    00281 assert_compile(lengthof(_violet_map_heights) == MAX_TILE_HEIGHT + 1);
    00282
    00284 struct SmallMapColourScheme {
    00285   const uint32 *height_colours;
    00286   uint32 default_colour;
    00287 };
    00288
    00290 static const SmallMapColourScheme _heightmap_schemes[] = {
    00291   {_green_map_heights,      MKCOLOUR_XXXX(0x54)},
    00292   {_dark_green_map_heights, MKCOLOUR_XXXX(0x62)},
    00293   {_violet_map_heights,     MKCOLOUR_XXXX(0x82)},
    00294 };
    00295
    00299 void BuildLandLegend()
    00300 {
    00301   for (LegendAndColour *lc = _legend_land_contours; lc->legend == STR_TINY_BLACK_HEIGHT; lc++) {
    00302     lc->colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].height_colours[lc->height];
    00303   }
    00304 }
    00305
    00309 void BuildOwnerLegend()
    00310 {
    00311   _legend_land_owners[1].colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].default_colour;
    00312
    00313   int i = NUM_NO_COMPANY_ENTRIES;
    00314   const Company *c;
    00315   FOR_ALL_COMPANIES(c) {
    00316     _legend_land_owners[i].colour = _colour_gradient[c->colour][5];
    00317     _legend_land_owners[i].company = c->index;
    00318     _legend_land_owners[i].show_on_map = true;
    00319     _legend_land_owners[i].col_break = false;
    00320     _legend_land_owners[i].end = false;
    00321     _company_to_list_pos[c->index] = i;
    00322     i++;
    00323   }
    00324
    00325   /* Terminate the list */
    00326   _legend_land_owners[i].end = true;
    00327
    00328   /* Store maximum amount of owner legend entries. */
    00329   _smallmap_company_count = i;
    00330 }
    00331
    00332 struct AndOr {
    00333   uint32 mor;
    00334   uint32 mand;
    00335 };
    00336
    00337 static inline uint32 ApplyMask(uint32 colour, const AndOr *mask)
    00338 {
    00339   return (colour & mask->mand) | mask->mor;
    00340 }
    00341
    00342
    00344 static const AndOr _smallmap_contours_andor[] = {
    00345   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00346   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F}, // MP_RAILWAY
    00347   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00348   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00349   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00350   {MKCOLOUR_XXXX(PC_LIGHT_BLUE), MKCOLOUR_0000}, // MP_STATION
    00351   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00352   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00353   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00354   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00355   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00356   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F},
    00357 };
    00358
    00360 static const AndOr _smallmap_vehicles_andor[] = {
    00361   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00362   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_RAILWAY
    00363   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00364   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00365   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00366   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_STATION
    00367   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00368   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00369   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00370   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00371   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00372   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F},
    00373 };
    00374
    00376 static const byte _tiletype_importance[] = {
    00377   2, // MP_CLEAR
    00378   8, // MP_RAILWAY
    00379   7, // MP_ROAD
    00380   5, // MP_HOUSE
    00381   2, // MP_TREES
    00382   9, // MP_STATION
    00383   2, // MP_WATER
    00384   1, // MP_VOID
    00385   6, // MP_INDUSTRY
    00386   8, // MP_TUNNELBRIDGE
    00387   2, // MP_OBJECT
    00388   0,
    00389 };
    00390
    00391
    00392 static inline TileType GetEffectiveTileType(TileIndex tile)
    00393 {
    00394   TileType t = GetTileType(tile);
    00395
    00396   if (t == MP_TUNNELBRIDGE) {
    00397     TransportType tt = GetTunnelBridgeTransportType(tile);
    00398
    00399     switch (tt) {
    00400       case TRANSPORT_RAIL: t = MP_RAILWAY; break;
    00401       case TRANSPORT_ROAD: t = MP_ROAD;    break;
    00402       default:             t = MP_WATER;   break;
    00403     }
    00404   }
    00405   return t;
    00406 }
    00407
    00414 static inline uint32 GetSmallMapContoursPixels(TileIndex tile, TileType t)
    00415 {
    00416   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00417   return ApplyMask(cs->height_colours[TileHeight(tile)], &_smallmap_contours_andor[t]);
    00418 }
    00419
    00427 static inline uint32 GetSmallMapVehiclesPixels(TileIndex tile, TileType t)
    00428 {
    00429   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00430   return ApplyMask(cs->default_colour, &_smallmap_vehicles_andor[t]);
    00431 }
    00432
    00440 static inline uint32 GetSmallMapIndustriesPixels(TileIndex tile, TileType t)
    00441 {
    00442   if (t == MP_INDUSTRY) {
    00443     /* If industry is allowed to be seen, use its colour on the map */
    00444     if (_legend_from_industries[_industry_to_list_pos[Industry::GetByTile(tile)->type]].show_on_map) {
    00445       return GetIndustrySpec(Industry::GetByTile(tile)->type)->map_colour * 0x01010101;
    00446     } else {
    00447       /* Otherwise, return the colour which will make it disappear */
    00448       t = (IsTileOnWater(tile) ? MP_WATER : MP_CLEAR);
    00449     }
    00450   }
    00451
    00452   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00453   return ApplyMask(_smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour, &_smallmap_vehicles_andor[t]);
    00454 }
    00455
    00463 static inline uint32 GetSmallMapRoutesPixels(TileIndex tile, TileType t)
    00464 {
    00465   if (t == MP_STATION) {
    00466     switch (GetStationType(tile)) {
    00467       case STATION_RAIL:    return MKCOLOUR_XXXX(PC_VERY_DARK_BROWN);
    00468       case STATION_AIRPORT: return MKCOLOUR_XXXX(PC_RED);
    00469       case STATION_TRUCK:   return MKCOLOUR_XXXX(PC_ORANGE);
    00470       case STATION_BUS:     return MKCOLOUR_XXXX(PC_YELLOW);
    00471       case STATION_DOCK:    return MKCOLOUR_XXXX(PC_LIGHT_BLUE);
    00472       default:              return MKCOLOUR_FFFF;
    00473     }
    00474   } else if (t == MP_RAILWAY) {
    00475     AndOr andor = {
    00476       MKCOLOUR_0XX0(GetRailTypeInfo(GetRailType(tile))->map_colour),
    00477       _smallmap_contours_andor[t].mand
    00478     };
    00479
    00480     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00481     return ApplyMask(cs->default_colour, &andor);
    00482   }
    00483
    00484   /* Ground colour */
    00485   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00486   return ApplyMask(cs->default_colour, &_smallmap_contours_andor[t]);
    00487 }
    00488
    00489
    00490 static const uint32 _vegetation_clear_bits[] = {
    00491   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00492   MKCOLOUR_XXXX(PC_ROUGH_LAND),
    00493   MKCOLOUR_XXXX(PC_GREY),
    00494   MKCOLOUR_XXXX(PC_FIELDS),
    00495   MKCOLOUR_XXXX(PC_LIGHT_BLUE),
    00496   MKCOLOUR_XXXX(PC_ORANGE),
    00497   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00498   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00499 };
    00500
    00508 static inline uint32 GetSmallMapVegetationPixels(TileIndex tile, TileType t)
    00509 {
    00510   switch (t) {
    00511     case MP_CLEAR:
    00512       return (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) < 3) ? MKCOLOUR_XXXX(PC_BARE_LAND) : _vegetation_clear_bits[GetClearGround(tile)];
    00513
    00514     case MP_INDUSTRY:
    00515       return IsTileForestIndustry(tile) ? MKCOLOUR_XXXX(PC_GREEN) : MKCOLOUR_XXXX(PC_DARK_RED);
    00516
    00517     case MP_TREES:
    00518       if (GetTreeGround(tile) == TREE_GROUND_SNOW_DESERT || GetTreeGround(tile) == TREE_GROUND_ROUGH_SNOW) {
    00519         return (_settings_game.game_creation.landscape == LT_ARCTIC) ? MKCOLOUR_XYYX(PC_LIGHT_BLUE, PC_TREES) : MKCOLOUR_XYYX(PC_ORANGE, PC_TREES);
    00520       }
    00521       return MKCOLOUR_XYYX(PC_GRASS_LAND, PC_TREES);
    00522
    00523     default:
    00524       return ApplyMask(MKCOLOUR_XXXX(PC_GRASS_LAND), &_smallmap_vehicles_andor[t]);
    00525   }
    00526 }
    00527
    00535 static inline uint32 GetSmallMapOwnerPixels(TileIndex tile, TileType t)
    00536 {
    00537   Owner o;
    00538
    00539   switch (t) {
    00540     case MP_INDUSTRY: return MKCOLOUR_XXXX(PC_DARK_GREY);
    00541     case MP_HOUSE:    return MKCOLOUR_XXXX(PC_DARK_RED);
    00542     default:          o = GetTileOwner(tile); break;
    00543     /* FIXME: For MP_ROAD there are multiple owners.
    00544      * GetTileOwner returns the rail owner (level crossing) resp. the owner of ROADTYPE_ROAD (normal road),
    00545      * even if there are no ROADTYPE_ROAD bits on the tile.
    00546      */
    00547   }
    00548
    00549   if ((o < MAX_COMPANIES && !_legend_land_owners[_company_to_list_pos[o]].show_on_map) || o == OWNER_NONE || o == OWNER_WATER) {
    00550     if (t == MP_WATER) return MKCOLOUR_XXXX(PC_WATER);
    00551     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00552     return _smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour;
    00553   } else if (o == OWNER_TOWN) {
    00554     return MKCOLOUR_XXXX(PC_DARK_RED);
    00555   }
    00556
    00557   return MKCOLOUR_XXXX(_legend_land_owners[_company_to_list_pos[o]].colour);
    00558 }
    00559
    00561 static const byte _vehicle_type_colours[6] = {
    00562   PC_RED, PC_YELLOW, PC_LIGHT_BLUE, PC_WHITE, PC_BLACK, PC_RED
    00563 };
    00564
    00565
    00567 class SmallMapWindow : public Window {
    00569   enum SmallMapType {
    00570     SMT_CONTOUR,
    00571     SMT_VEHICLES,
    00572     SMT_INDUSTRY,
    00573     SMT_ROUTES,
    00574     SMT_VEGETATION,
    00575     SMT_OWNER,
    00576   };
    00577
    00579   enum ZoomLevelChange {
    00580     ZLC_INITIALIZE,
    00581     ZLC_ZOOM_OUT,
    00582     ZLC_ZOOM_IN,
    00583   };
    00584
    00585   static SmallMapType map_type;
    00586   static bool show_towns;
    00587
    00588   static const uint LEGEND_BLOB_WIDTH = 8;
    00589   static const uint INDUSTRY_MIN_NUMBER_OF_COLUMNS = 2;
    00590   uint min_number_of_fixed_rows;
    00591   uint column_width;
    00592
    00593   int32 scroll_x;
    00594   int32 scroll_y;
    00595   int32 subscroll;
    00596   int zoom;
    00597
    00598   static const uint8 FORCE_REFRESH_PERIOD = 0x1F;
    00599   uint8 refresh;
    00600
    00601   inline Point SmallmapRemapCoords(int x, int y) const
    00602   {
    00603     Point pt;
    00604     pt.x = (y - x) * 2;
    00605     pt.y = y + x;
    00606     return pt;
    00607   }
    00608
    00615   inline Point RemapTile(int tile_x, int tile_y) const
    00616   {
    00617     int x_offset = tile_x - this->scroll_x / (int)TILE_SIZE;
    00618     int y_offset = tile_y - this->scroll_y / (int)TILE_SIZE;
    00619
    00620     if (this->zoom == 1) return SmallmapRemapCoords(x_offset, y_offset);
    00621
    00622     /* For negative offsets, round towards -inf. */
    00623     if (x_offset < 0) x_offset -= this->zoom - 1;
    00624     if (y_offset < 0) y_offset -= this->zoom - 1;
    00625
    00626     return SmallmapRemapCoords(x_offset / this->zoom, y_offset / this->zoom);
    00627   }
    00628
    00639   inline Point PixelToTile(int px, int py, int *sub, bool add_sub = true) const
    00640   {
    00641     if (add_sub) px += this->subscroll;  // Total horizontal offset.
    00642
    00643     /* For each two rows down, add a x and a y tile, and
    00644      * For each four pixels to the right, move a tile to the right. */
    00645     Point pt = {((py >> 1) - (px >> 2)) * this->zoom, ((py >> 1) + (px >> 2)) * this->zoom};
    00646     px &= 3;
    00647
    00648     if (py & 1) { // Odd number of rows, handle the 2 pixel shift.
    00649       if (px < 2) {
    00650         pt.x += this->zoom;
    00651         px += 2;
    00652       } else {
    00653         pt.y += this->zoom;
    00654         px -= 2;
    00655       }
    00656     }
    00657
    00658     *sub = px;
    00659     return pt;
    00660   }
    00661
    00671   Point ComputeScroll(int tx, int ty, int x, int y, int *sub)
    00672   {
    00673     assert(x >= 0 && y >= 0);
    00674
    00675     int new_sub;
    00676     Point tile_xy = PixelToTile(x, y, &new_sub, false);
    00677     tx -= tile_xy.x;
    00678     ty -= tile_xy.y;
    00679
    00680     Point scroll;
    00681     if (new_sub == 0) {
    00682       *sub = 0;
    00683       scroll.x = (tx + this->zoom) * TILE_SIZE;
    00684       scroll.y = (ty - this->zoom) * TILE_SIZE;
    00685     } else {
    00686       *sub = 4 - new_sub;
    00687       scroll.x = (tx + 2 * this->zoom) * TILE_SIZE;
    00688       scroll.y = (ty - 2 * this->zoom) * TILE_SIZE;
    00689     }
    00690     return scroll;
    00691   }
    00692
    00699   void SetZoomLevel(ZoomLevelChange change, const Point *zoom_pt)
    00700   {
    00701     static const int zoomlevels[] = {1, 2, 4, 6, 8}; // Available zoom levels. Bigger number means more zoom-out (further away).
    00702     static const int MIN_ZOOM_INDEX = 0;
    00703     static const int MAX_ZOOM_INDEX = lengthof(zoomlevels) - 1;
    00704
    00705     int new_index, cur_index, sub;
    00706     Point tile;
    00707     switch (change) {
    00708       case ZLC_INITIALIZE:
    00709         cur_index = - 1; // Definitely different from new_index.
    00710         new_index = MIN_ZOOM_INDEX;
    00711         break;
    00712
    00713       case ZLC_ZOOM_IN:
    00714       case ZLC_ZOOM_OUT:
    00715         for (cur_index = MIN_ZOOM_INDEX; cur_index <= MAX_ZOOM_INDEX; cur_index++) {
    00716           if (this->zoom == zoomlevels[cur_index]) break;
    00717         }
    00718         assert(cur_index <= MAX_ZOOM_INDEX);
    00719
    00720         tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00721         new_index = Clamp(cur_index + ((change == ZLC_ZOOM_IN) ? -1 : 1), MIN_ZOOM_INDEX, MAX_ZOOM_INDEX);
    00722         break;
    00723
    00724       default: NOT_REACHED();
    00725     }
    00726
    00727     if (new_index != cur_index) {
    00728       this->zoom = zoomlevels[new_index];
    00729       if (cur_index >= 0) {
    00730         Point new_tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00731         this->SetNewScroll(this->scroll_x + (tile.x - new_tile.x) * TILE_SIZE,
    00732             this->scroll_y + (tile.y - new_tile.y) * TILE_SIZE, sub);
    00733       }
    00734       this->SetWidgetDisabledState(WID_SM_ZOOM_IN,  this->zoom == zoomlevels[MIN_ZOOM_INDEX]);
    00735       this->SetWidgetDisabledState(WID_SM_ZOOM_OUT, this->zoom == zoomlevels[MAX_ZOOM_INDEX]);
    00736       this->SetDirty();
    00737     }
    00738   }
    00739
    00745   inline uint32 GetTileColours(const TileArea &ta) const
    00746   {
    00747     int importance = 0;
    00748     TileIndex tile = INVALID_TILE; // Position of the most important tile.
    00749     TileType et = MP_VOID;         // Effective tile type at that position.
    00750
    00751     TILE_AREA_LOOP(ti, ta) {
    00752       TileType ttype = GetEffectiveTileType(ti);
    00753       if (_tiletype_importance[ttype] > importance) {
    00754         importance = _tiletype_importance[ttype];
    00755         tile = ti;
    00756         et = ttype;
    00757       }
    00758     }
    00759
    00760     switch (this->map_type) {
    00761       case SMT_CONTOUR:
    00762         return GetSmallMapContoursPixels(tile, et);
    00763
    00764       case SMT_VEHICLES:
    00765         return GetSmallMapVehiclesPixels(tile, et);
    00766
    00767       case SMT_INDUSTRY:
    00768         return GetSmallMapIndustriesPixels(tile, et);
    00769
    00770       case SMT_ROUTES:
    00771         return GetSmallMapRoutesPixels(tile, et);
    00772
    00773       case SMT_VEGETATION:
    00774         return GetSmallMapVegetationPixels(tile, et);
    00775
    00776       case SMT_OWNER:
    00777         return GetSmallMapOwnerPixels(tile, et);
    00778
    00779       default: NOT_REACHED();
    00780     }
    00781   }
    00782
    00797   void DrawSmallMapColumn(void *dst, uint xc, uint yc, int pitch, int reps, int start_pos, int end_pos, Blitter *blitter) const
    00798   {
    00799     void *dst_ptr_abs_end = blitter->MoveTo(_screen.dst_ptr, 0, _screen.height);
    00800     uint min_xy = _settings_game.construction.freeform_edges ? 1 : 0;
    00801
    00802     do {
    00803       /* Check if the tile (xc,yc) is within the map range */
    00804       if (xc >= MapMaxX() || yc >= MapMaxY()) continue;
    00805
    00806       /* Check if the dst pointer points to a pixel inside the screen buffer */
    00807       if (dst < _screen.dst_ptr) continue;
    00808       if (dst >= dst_ptr_abs_end) continue;
    00809
    00810       /* Construct tilearea covered by (xc, yc, xc + this->zoom, yc + this->zoom) such that it is within min_xy limits. */
    00811       TileArea ta;
    00812       if (min_xy == 1 && (xc == 0 || yc == 0)) {
    00813         if (this->zoom == 1) continue; // The tile area is empty, don't draw anything.
    00814
    00815         ta = TileArea(TileXY(max(min_xy, xc), max(min_xy, yc)), this->zoom - (xc == 0), this->zoom - (yc == 0));
    00816       } else {
    00817         ta = TileArea(TileXY(xc, yc), this->zoom, this->zoom);
    00818       }
    00819       ta.ClampToMap(); // Clamp to map boundaries (may contain MP_VOID tiles!).
    00820
    00821       uint32 val = this->GetTileColours(ta);
    00822       uint8 *val8 = (uint8 *)&val;
    00823       int idx = max(0, -start_pos);
    00824       for (int pos = max(0, start_pos); pos < end_pos; pos++) {
    00825         blitter->SetPixel(dst, idx, 0, val8[idx]);
    00826         idx++;
    00827       }
    00828     /* Switch to next tile in the column */
    00829     } while (xc += this->zoom, yc += this->zoom, dst = blitter->MoveTo(dst, pitch, 0), --reps != 0);
    00830   }
    00831
    00837   void DrawVehicles(const DrawPixelInfo *dpi, Blitter *blitter) const
    00838   {
    00839     const Vehicle *v;
    00840     FOR_ALL_VEHICLES(v) {
    00841       if (v->type == VEH_EFFECT) continue;
    00842       if (v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) continue;
    00843
    00844       /* Remap into flat coordinates. */
    00845       Point pt = this->RemapTile(v->x_pos / TILE_SIZE, v->y_pos / TILE_SIZE);
    00846
    00847       int y = pt.y - dpi->top;
    00848       if (!IsInsideMM(y, 0, dpi->height)) continue; // y is out of bounds.
    00849
    00850       bool skip = false; // Default is to draw both pixels.
    00851       int x = pt.x - this->subscroll - 3 - dpi->left; // Offset X coordinate.
    00852       if (x < 0) {
    00853         /* if x+1 is 0, that means we're on the very left edge,
    00854          * and should thus only draw a single pixel */
    00855         if (++x != 0) continue;
    00856         skip = true;
    00857       } else if (x >= dpi->width - 1) {
    00858         /* Check if we're at the very right edge, and if so draw only a single pixel */
    00859         if (x != dpi->width - 1) continue;
    00860         skip = true;
    00861       }
    00862
    00863       /* Calculate pointer to pixel and the colour */
    00864       byte colour = (this->map_type == SMT_VEHICLES) ? _vehicle_type_colours[v->type] : PC_WHITE;
    00865
    00866       /* And draw either one or two pixels depending on clipping */
    00867       blitter->SetPixel(dpi->dst_ptr, x, y, colour);
    00868       if (!skip) blitter->SetPixel(dpi->dst_ptr, x + 1, y, colour);
    00869     }
    00870   }
    00871
    00876   void DrawTowns(const DrawPixelInfo *dpi) const
    00877   {
    00878     const Town *t;
    00879     FOR_ALL_TOWNS(t) {
    00880       /* Remap the town coordinate */
    00881       Point pt = this->RemapTile(TileX(t->xy), TileY(t->xy));
    00882       int x = pt.x - this->subscroll - (t->sign.width_small >> 1);
    00883       int y = pt.y;
    00884
    00885       /* Check if the town sign is within bounds */
    00886       if (x + t->sign.width_small > dpi->left &&
    00887           x < dpi->left + dpi->width &&
    00888           y + FONT_HEIGHT_SMALL > dpi->top &&
    00889           y < dpi->top + dpi->height) {
    00890         /* And draw it. */
    00891         SetDParam(0, t->index);
    00892         DrawString(x, x + t->sign.width_small, y, STR_SMALLMAP_TOWN);
    00893       }
    00894     }
    00895   }
    00896
    00903   static inline void DrawVertMapIndicator(int x, int y, int y2)
    00904   {
    00905     GfxFillRect(x, y,      x, y + 3, PC_VERY_LIGHT_YELLOW);
    00906     GfxFillRect(x, y2 - 3, x, y2,    PC_VERY_LIGHT_YELLOW);
    00907   }
    00908
    00915   static inline void DrawHorizMapIndicator(int x, int x2, int y)
    00916   {
    00917     GfxFillRect(x,      y, x + 3, y, PC_VERY_LIGHT_YELLOW);
    00918     GfxFillRect(x2 - 3, y, x2,    y, PC_VERY_LIGHT_YELLOW);
    00919   }
    00920
    00924   void DrawMapIndicators() const
    00925   {
    00926     /* Find main viewport. */
    00927     const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    00928
    00929     Point tile = InverseRemapCoords(vp->virtual_left, vp->virtual_top);
    00930     Point tl = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00931     tl.x -= this->subscroll;
    00932
    00933     tile = InverseRemapCoords(vp->virtual_left + vp->virtual_width, vp->virtual_top + vp->virtual_height);
    00934     Point br = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00935     br.x -= this->subscroll;
    00936
    00937     SmallMapWindow::DrawVertMapIndicator(tl.x, tl.y, br.y);
    00938     SmallMapWindow::DrawVertMapIndicator(br.x, tl.y, br.y);
    00939
    00940     SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, tl.y);
    00941     SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, br.y);
    00942   }
    00943
    00955   void DrawSmallMap(DrawPixelInfo *dpi) const
    00956   {
    00957     Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
    00958     DrawPixelInfo *old_dpi;
    00959
    00960     old_dpi = _cur_dpi;
    00961     _cur_dpi = dpi;
    00962
    00963     /* Clear it */
    00964     GfxFillRect(dpi->left, dpi->top, dpi->left + dpi->width - 1, dpi->top + dpi->height - 1, PC_BLACK);
    00965
    00966     /* Which tile is displayed at (dpi->left, dpi->top)? */
    00967     int dx;
    00968     Point tile = this->PixelToTile(dpi->left, dpi->top, &dx);
    00969     int tile_x = this->scroll_x / (int)TILE_SIZE + tile.x;
    00970     int tile_y = this->scroll_y / (int)TILE_SIZE + tile.y;
    00971
    00972     void *ptr = blitter->MoveTo(dpi->dst_ptr, -dx - 4, 0);
    00973     int x = - dx - 4;
    00974     int y = 0;
    00975
    00976     for (;;) {
    00977       /* Distance from left edge */
    00978       if (x >= -3) {
    00979         if (x >= dpi->width) break; // Exit the loop.
    00980
    00981         int end_pos = min(dpi->width, x + 4);
    00982         int reps = (dpi->height - y + 1) / 2; // Number of lines.
    00983         if (reps > 0) {
    00984           this->DrawSmallMapColumn(ptr, tile_x, tile_y, dpi->pitch * 2, reps, x, end_pos, blitter);
    00985         }
    00986       }
    00987
    00988       if (y == 0) {
    00989         tile_y += this->zoom;
    00990         y++;
    00991         ptr = blitter->MoveTo(ptr, 0, 1);
    00992       } else {
    00993         tile_x -= this->zoom;
    00994         y--;
    00995         ptr = blitter->MoveTo(ptr, 0, -1);
    00996       }
    00997       ptr = blitter->MoveTo(ptr, 2, 0);
    00998       x += 2;
    00999     }
    01000
    01001     /* Draw vehicles */
    01002     if (this->map_type == SMT_CONTOUR || this->map_type == SMT_VEHICLES) this->DrawVehicles(dpi, blitter);
    01003
    01004     /* Draw town names */
    01005     if (this->show_towns) this->DrawTowns(dpi);
    01006
    01007     /* Draw map indicators */
    01008     this->DrawMapIndicators();
    01009
    01010     _cur_dpi = old_dpi;
    01011   }
    01012
    01016   void SetupWidgetData()
    01017   {
    01018     StringID legend_tooltip;
    01019     StringID enable_all_tooltip;
    01020     StringID disable_all_tooltip;
    01021     int plane;
    01022     switch (this->map_type) {
    01023       case SMT_INDUSTRY:
    01024         legend_tooltip = STR_SMALLMAP_TOOLTIP_INDUSTRY_SELECTION;
    01025         enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_INDUSTRIES;
    01026         disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_INDUSTRIES;
    01027         plane = 0;
    01028         break;
    01029
    01030       case SMT_OWNER:
    01031         legend_tooltip = STR_SMALLMAP_TOOLTIP_COMPANY_SELECTION;
    01032         enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_COMPANIES;
    01033         disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_COMPANIES;
    01034         plane = 0;
    01035         break;
    01036
    01037       default:
    01038         legend_tooltip = STR_NULL;
    01039         enable_all_tooltip = STR_NULL;
    01040         disable_all_tooltip = STR_NULL;
    01041         plane = 1;
    01042         break;
    01043     }
    01044
    01045     this->GetWidget<NWidgetCore>(WID_SM_LEGEND)->SetDataTip(STR_NULL, legend_tooltip);
    01046     this->GetWidget<NWidgetCore>(WID_SM_ENABLE_ALL)->SetDataTip(STR_SMALLMAP_ENABLE_ALL, enable_all_tooltip);
    01047     this->GetWidget<NWidgetCore>(WID_SM_DISABLE_ALL)->SetDataTip(STR_SMALLMAP_DISABLE_ALL, disable_all_tooltip);
    01048     this->GetWidget<NWidgetStacked>(WID_SM_SELECT_BUTTONS)->SetDisplayedPlane(plane);
    01049   }
    01050
    01051 public:
    01052   uint min_number_of_columns;
    01053
    01054   SmallMapWindow(const WindowDesc *desc, int window_number) : Window(), refresh(FORCE_REFRESH_PERIOD)
    01055   {
    01056     this->InitNested(desc, window_number);
    01057     this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01058
    01059     BuildLandLegend();
    01060     this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01061
    01062     this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01063
    01064     this->SetupWidgetData();
    01065
    01066     this->SetZoomLevel(ZLC_INITIALIZE, NULL);
    01067     this->SmallMapCenterOnCurrentPos();
    01068   }
    01069
    01074   inline uint GetMinLegendWidth() const
    01075   {
    01076     return WD_FRAMERECT_LEFT + this->min_number_of_columns * this->column_width;
    01077   }
    01078
    01083   inline uint GetNumberColumnsLegend(uint width) const
    01084   {
    01085     return width / this->column_width;
    01086   }
    01087
    01093   uint GetLegendHeight(uint num_columns) const
    01094   {
    01095     uint num_rows = max(this->min_number_of_fixed_rows, CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), num_columns));
    01096     return WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + num_rows * FONT_HEIGHT_SMALL;
    01097   }
    01098
    01099   virtual void SetStringParameters(int widget) const
    01100   {
    01101     switch (widget) {
    01102       case WID_SM_CAPTION:
    01103         SetDParam(0, STR_SMALLMAP_TYPE_CONTOURS + this->map_type);
    01104         break;
    01105     }
    01106   }
    01107
    01108   virtual void OnInit()
    01109   {
    01110     uint min_width = 0;
    01111     this->min_number_of_columns = INDUSTRY_MIN_NUMBER_OF_COLUMNS;
    01112     this->min_number_of_fixed_rows = 0;
    01113     for (uint i = 0; i < lengthof(_legend_table); i++) {
    01114       uint height = 0;
    01115       uint num_columns = 1;
    01116       for (const LegendAndColour *tbl = _legend_table[i]; !tbl->end; ++tbl) {
    01117         StringID str;
    01118         if (i == SMT_INDUSTRY) {
    01119           SetDParam(0, tbl->legend);
    01120           SetDParam(1, IndustryPool::MAX_SIZE);
    01121           str = STR_SMALLMAP_INDUSTRY;
    01122         } else if (i == SMT_OWNER) {
    01123           if (tbl->company != INVALID_COMPANY) {
    01124             if (!Company::IsValidID(tbl->company)) {
    01125               /* Rebuild the owner legend. */
    01126               BuildOwnerLegend();
    01127               this->OnInit();
    01128               return;
    01129             }
    01130             /* Non-fixed legend entries for the owner view. */
    01131             SetDParam(0, tbl->company);
    01132             str = STR_SMALLMAP_COMPANY;
    01133           } else {
    01134             str = tbl->legend;
    01135           }
    01136         } else {
    01137           if (tbl->col_break) {
    01138             this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01139             height = 0;
    01140             num_columns++;
    01141           }
    01142           height++;
    01143           str = tbl->legend;
    01144         }
    01145         min_width = max(GetStringBoundingBox(str).width, min_width);
    01146       }
    01147       this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01148       this->min_number_of_columns = max(this->min_number_of_columns, num_columns);
    01149     }
    01150
    01151     /* The width of a column is the minimum width of all texts + the size of the blob + some spacing */
    01152     this->column_width = min_width + LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01153   }
    01154
    01155   virtual void OnPaint()
    01156   {
    01157     if (this->map_type == SMT_OWNER) {
    01158       for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01159         if (tbl->company != INVALID_COMPANY && !Company::IsValidID(tbl->company)) {
    01160           /* Rebuild the owner legend. */
    01161           BuildOwnerLegend();
    01162           this->InvalidateData(1);
    01163           break;
    01164         }
    01165       }
    01166     }
    01167
    01168     this->DrawWidgets();
    01169   }
    01170
    01171   virtual void DrawWidget(const Rect &r, int widget) const
    01172   {
    01173     switch (widget) {
    01174       case WID_SM_MAP: {
    01175         DrawPixelInfo new_dpi;
    01176         if (!FillDrawPixelInfo(&new_dpi, r.left + 1, r.top + 1, r.right - r.left - 1, r.bottom - r.top - 1)) return;
    01177         this->DrawSmallMap(&new_dpi);
    01178         break;
    01179       }
    01180
    01181       case WID_SM_LEGEND: {
    01182         uint columns = this->GetNumberColumnsLegend(r.right - r.left + 1);
    01183         uint number_of_rows = max((this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) ? CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), columns) : 0, this->min_number_of_fixed_rows);
    01184         bool rtl = _current_text_dir == TD_RTL;
    01185         uint y_org = r.top + WD_FRAMERECT_TOP;
    01186         uint x = rtl ? r.right - this->column_width - WD_FRAMERECT_RIGHT : r.left + WD_FRAMERECT_LEFT;
    01187         uint y = y_org;
    01188         uint i = 0; // Row counter for industry legend.
    01189         uint row_height = FONT_HEIGHT_SMALL;
    01190
    01191         uint text_left  = rtl ? 0 : LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT;
    01192         uint text_right = this->column_width - 1 - (rtl ? LEGEND_BLOB_WIDTH + WD_FRAMERECT_RIGHT : 0);
    01193         uint blob_left  = rtl ? this->column_width - 1 - LEGEND_BLOB_WIDTH : 0;
    01194         uint blob_right = rtl ? this->column_width - 1 : LEGEND_BLOB_WIDTH;
    01195
    01196         for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01197           if (tbl->col_break || ((this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) && i++ >= number_of_rows)) {
    01198             /* Column break needed, continue at top, COLUMN_WIDTH pixels
    01199              * (one "row") to the right. */
    01200             x += rtl ? -(int)this->column_width : this->column_width;
    01201             y = y_org;
    01202             i = 1;
    01203           }
    01204
    01205           if (this->map_type == SMT_INDUSTRY) {
    01206             /* Industry name must be formatted, since it's not in tiny font in the specs.
    01207              * So, draw with a parameter and use the STR_SMALLMAP_INDUSTRY string, which is tiny font */
    01208             SetDParam(0, tbl->legend);
    01209             SetDParam(1, Industry::GetIndustryTypeCount(tbl->type));
    01210             if (!tbl->show_on_map) {
    01211               /* Simply draw the string, not the black border of the legend colour.
    01212                * This will enforce the idea of the disabled item */
    01213               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_INDUSTRY, TC_GREY);
    01214             } else {
    01215               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_INDUSTRY, TC_BLACK);
    01216               GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK); // Outer border of the legend colour
    01217             }
    01218           } else if (this->map_type == SMT_OWNER && tbl->company != INVALID_COMPANY) {
    01219             SetDParam(0, tbl->company);
    01220             if (!tbl->show_on_map) {
    01221               /* Simply draw the string, not the black border of the legend colour.
    01222                * This will enforce the idea of the disabled item */
    01223               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_COMPANY, TC_GREY);
    01224             } else {
    01225               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_COMPANY, TC_BLACK);
    01226               GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK); // Outer border of the legend colour
    01227             }
    01228           } else {
    01229             if (this->map_type == SMT_CONTOUR) SetDParam(0, tbl->height * TILE_HEIGHT_STEP);
    01230
    01231             /* Anything that is not an industry or a company is using normal process */
    01232             GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK);
    01233             DrawString(x + text_left, x + text_right, y, tbl->legend);
    01234           }
    01235           GfxFillRect(x + blob_left + 1, y + 2, x + blob_right - 1, y + row_height - 2, tbl->colour); // Legend colour
    01236
    01237           y += row_height;
    01238         }
    01239       }
    01240     }
    01241   }
    01242
    01247   void SwitchMapType(SmallMapType map_type)
    01248   {
    01249     this->RaiseWidget(this->map_type + WID_SM_CONTOUR);
    01250     this->map_type = map_type;
    01251     this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01252
    01253     this->SetupWidgetData();
    01254
    01255     this->SetDirty();
    01256   }
    01257
    01258   virtual void OnClick(Point pt, int widget, int click_count)
    01259   {
    01260     /* User clicked something, notify the industry chain window to stop sending newly selected industries. */
    01261     InvalidateWindowClassesData(WC_INDUSTRY_CARGOES, NUM_INDUSTRYTYPES);
    01262
    01263     switch (widget) {
    01264       case WID_SM_MAP: { // Map window
    01265         /*
    01266          * XXX: scrolling with the left mouse button is done by subsequently
    01267          * clicking with the left mouse button; clicking once centers the
    01268          * large map at the selected point. So by unclicking the left mouse
    01269          * button here, it gets reclicked during the next inputloop, which
    01270          * would make it look like the mouse is being dragged, while it is
    01271          * actually being (virtually) clicked every inputloop.
    01272          */
    01273         _left_button_clicked = false;
    01274
    01275         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01276         Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    01277         int sub;
    01278         pt = this->PixelToTile(pt.x - wid->pos_x, pt.y - wid->pos_y, &sub);
    01279         pt = RemapCoords(this->scroll_x + pt.x * TILE_SIZE + this->zoom * (TILE_SIZE - sub * TILE_SIZE / 4),
    01280             this->scroll_y + pt.y * TILE_SIZE + sub * this->zoom * TILE_SIZE / 4, 0);
    01281
    01282         w->viewport->follow_vehicle = INVALID_VEHICLE;
    01283         w->viewport->dest_scrollpos_x = pt.x - (w->viewport->virtual_width  >> 1);
    01284         w->viewport->dest_scrollpos_y = pt.y - (w->viewport->virtual_height >> 1);
    01285
    01286         this->SetDirty();
    01287         break;
    01288       }
    01289
    01290       case WID_SM_ZOOM_IN:
    01291       case WID_SM_ZOOM_OUT: {
    01292         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01293         Point pt = {wid->current_x / 2, wid->current_y / 2};
    01294         this->SetZoomLevel((widget == WID_SM_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01295         SndPlayFx(SND_15_BEEP);
    01296         break;
    01297       }
    01298
    01299       case WID_SM_CONTOUR:    // Show land contours
    01300       case WID_SM_VEHICLES:   // Show vehicles
    01301       case WID_SM_INDUSTRIES: // Show industries
    01302       case WID_SM_ROUTES:     // Show transport routes
    01303       case WID_SM_VEGETATION: // Show vegetation
    01304       case WID_SM_OWNERS:     // Show land owners
    01305         this->SwitchMapType((SmallMapType)(widget - WID_SM_CONTOUR));
    01306         SndPlayFx(SND_15_BEEP);
    01307         break;
    01308
    01309       case WID_SM_CENTERMAP: // Center the smallmap again
    01310         this->SmallMapCenterOnCurrentPos();
    01311         this->HandleButtonClick(WID_SM_CENTERMAP);
    01312         SndPlayFx(SND_15_BEEP);
    01313         break;
    01314
    01315       case WID_SM_TOGGLETOWNNAME: // Toggle town names
    01316         this->show_towns = !this->show_towns;
    01317         this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01318
    01319         this->SetDirty();
    01320         SndPlayFx(SND_15_BEEP);
    01321         break;
    01322
    01323       case WID_SM_LEGEND: // Legend
    01324         if (this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) {
    01325           const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_LEGEND); // Label panel
    01326           uint line = (pt.y - wi->pos_y - WD_FRAMERECT_TOP) / FONT_HEIGHT_SMALL;
    01327           uint columns = this->GetNumberColumnsLegend(wi->current_x);
    01328           uint number_of_rows = max(CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), columns), this->min_number_of_fixed_rows);
    01329           if (line >= number_of_rows) break;
    01330
    01331           bool rtl = _current_text_dir == TD_RTL;
    01332           int x = pt.x - wi->pos_x;
    01333           if (rtl) x = wi->current_x - x;
    01334           uint column = (x - WD_FRAMERECT_LEFT) / this->column_width;
    01335
    01336           /* If industry type small map*/
    01337           if (this->map_type == SMT_INDUSTRY) {
    01338             /* If click on industries label, find right industry type and enable/disable it. */
    01339             int industry_pos = (column * number_of_rows) + line;
    01340             if (industry_pos < _smallmap_industry_count) {
    01341               if (_ctrl_pressed) {
    01342                 /* Disable all, except the clicked one. */
    01343                 bool changes = false;
    01344                 for (int i = 0; i != _smallmap_industry_count; i++) {
    01345                   bool new_state = i == industry_pos;
    01346                   if (_legend_from_industries[i].show_on_map != new_state) {
    01347                     changes = true;
    01348                     _legend_from_industries[i].show_on_map = new_state;
    01349                   }
    01350                 }
    01351                 if (!changes) {
    01352                   /* Nothing changed? Then show all (again). */
    01353                   for (int i = 0; i != _smallmap_industry_count; i++) {
    01354                     _legend_from_industries[i].show_on_map = true;
    01355                   }
    01356                 }
    01357               } else {
    01358                 _legend_from_industries[industry_pos].show_on_map = !_legend_from_industries[industry_pos].show_on_map;
    01359               }
    01360             }
    01361           } else if (this->map_type == SMT_OWNER) {
    01362             /* If click on companies label, find right company and enable/disable it. */
    01363             int company_pos = (column * number_of_rows) + line;
    01364             if (company_pos < NUM_NO_COMPANY_ENTRIES) break;
    01365             if (company_pos < _smallmap_company_count) {
    01366               if (_ctrl_pressed) {
    01367                 /* Disable all, except the clicked one */
    01368                 bool changes = false;
    01369                 for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01370                   bool new_state = i == company_pos;
    01371                   if (_legend_land_owners[i].show_on_map != new_state) {
    01372                     changes = true;
    01373                     _legend_land_owners[i].show_on_map = new_state;
    01374                   }
    01375                 }
    01376                 if (!changes) {
    01377                   /* Nothing changed? Then show all (again). */
    01378                   for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01379                     _legend_land_owners[i].show_on_map = true;
    01380                   }
    01381                 }
    01382               } else {
    01383                 _legend_land_owners[company_pos].show_on_map = !_legend_land_owners[company_pos].show_on_map;
    01384               }
    01385             }
    01386           }
    01387           this->SetDirty();
    01388         }
    01389         break;
    01390
    01391       case WID_SM_ENABLE_ALL:
    01392         if (this->map_type == SMT_INDUSTRY) {
    01393           for (int i = 0; i != _smallmap_industry_count; i++) {
    01394             _legend_from_industries[i].show_on_map = true;
    01395           }
    01396         } else if (this->map_type == SMT_OWNER) {
    01397           for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01398             _legend_land_owners[i].show_on_map = true;
    01399           }
    01400         }
    01401         this->SetDirty();
    01402         break;
    01403
    01404       case WID_SM_DISABLE_ALL:
    01405         if (this->map_type == SMT_INDUSTRY) {
    01406           for (int i = 0; i != _smallmap_industry_count; i++) {
    01407             _legend_from_industries[i].show_on_map = false;
    01408           }
    01409         } else {
    01410           for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01411             _legend_land_owners[i].show_on_map = false;
    01412           }
    01413         }
    01414         this->SetDirty();
    01415         break;
    01416
    01417       case WID_SM_SHOW_HEIGHT: // Enable/disable showing of heightmap.
    01418         _smallmap_show_heightmap = !_smallmap_show_heightmap;
    01419         this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01420         this->SetDirty();
    01421         break;
    01422     }
    01423   }
    01424
    01432   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    01433   {
    01434     if (!gui_scope) return;
    01435     switch (data) {
    01436       case 1:
    01437         /* The owner legend has already been rebuilt. */
    01438         this->ReInit();
    01439         break;
    01440
    01441       case 0: {
    01442         extern uint64 _displayed_industries;
    01443         if (this->map_type != SMT_INDUSTRY) this->SwitchMapType(SMT_INDUSTRY);
    01444
    01445         for (int i = 0; i != _smallmap_industry_count; i++) {
    01446           _legend_from_industries[i].show_on_map = HasBit(_displayed_industries, _legend_from_industries[i].type);
    01447         }
    01448         break;
    01449       }
    01450
    01451       default: NOT_REACHED();
    01452     }
    01453     this->SetDirty();
    01454   }
    01455
    01456   virtual bool OnRightClick(Point pt, int widget)
    01457   {
    01458     if (widget != WID_SM_MAP || _scrolling_viewport) return false;
    01459
    01460     _scrolling_viewport = true;
    01461     return true;
    01462   }
    01463
    01464   virtual void OnMouseWheel(int wheel)
    01465   {
    01466     if (_settings_client.gui.scrollwheel_scrolling == 0) {
    01467       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01468       int cursor_x = _cursor.pos.x - this->left - wid->pos_x;
    01469       int cursor_y = _cursor.pos.y - this->top  - wid->pos_y;
    01470       if (IsInsideMM(cursor_x, 0, wid->current_x) && IsInsideMM(cursor_y, 0, wid->current_y)) {
    01471         Point pt = {cursor_x, cursor_y};
    01472         this->SetZoomLevel((wheel < 0) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01473       }
    01474     }
    01475   }
    01476
    01477   virtual void OnTick()
    01478   {
    01479     /* Update the window every now and then */
    01480     if (--this->refresh != 0) return;
    01481
    01482     this->refresh = FORCE_REFRESH_PERIOD;
    01483     this->SetDirty();
    01484   }
    01485
    01493   void SetNewScroll(int sx, int sy, int sub)
    01494   {
    01495     const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01496     Point hv = InverseRemapCoords(wi->current_x * ZOOM_LVL_BASE * TILE_SIZE / 2, wi->current_y * ZOOM_LVL_BASE * TILE_SIZE / 2);
    01497     hv.x *= this->zoom;
    01498     hv.y *= this->zoom;
    01499
    01500     if (sx < -hv.x) {
    01501       sx = -hv.x;
    01502       sub = 0;
    01503     }
    01504     if (sx > (int)(MapMaxX() * TILE_SIZE) - hv.x) {
    01505       sx = MapMaxX() * TILE_SIZE - hv.x;
    01506       sub = 0;
    01507     }
    01508     if (sy < -hv.y) {
    01509       sy = -hv.y;
    01510       sub = 0;
    01511     }
    01512     if (sy > (int)(MapMaxY() * TILE_SIZE) - hv.y) {
    01513       sy = MapMaxY() * TILE_SIZE - hv.y;
    01514       sub = 0;
    01515     }
    01516
    01517     this->scroll_x = sx;
    01518     this->scroll_y = sy;
    01519     this->subscroll = sub;
    01520   }
    01521
    01522   virtual void OnScroll(Point delta)
    01523   {
    01524     _cursor.fix_at = true;
    01525
    01526     /* While tile is at (delta.x, delta.y)? */
    01527     int sub;
    01528     Point pt = this->PixelToTile(delta.x, delta.y, &sub);
    01529     this->SetNewScroll(this->scroll_x + pt.x * TILE_SIZE, this->scroll_y + pt.y * TILE_SIZE, sub);
    01530
    01531     this->SetDirty();
    01532   }
    01533
    01534   void SmallMapCenterOnCurrentPos()
    01535   {
    01536     const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    01537     Point pt = InverseRemapCoords(vp->virtual_left + vp->virtual_width  / 2, vp->virtual_top  + vp->virtual_height / 2);
    01538
    01539     int sub;
    01540     const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01541     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);
    01542     this->SetNewScroll(sxy.x, sxy.y, sub);
    01543     this->SetDirty();
    01544   }
    01545 };
    01546
    01547 SmallMapWindow::SmallMapType SmallMapWindow::map_type = SMT_CONTOUR;
    01548 bool SmallMapWindow::show_towns = true;
    01549
    01558 class NWidgetSmallmapDisplay : public NWidgetContainer {
    01559   const SmallMapWindow *smallmap_window;
    01560 public:
    01561   NWidgetSmallmapDisplay() : NWidgetContainer(NWID_VERTICAL)
    01562   {
    01563     this->smallmap_window = NULL;
    01564   }
    01565
    01566   virtual void SetupSmallestSize(Window *w, bool init_array)
    01567   {
    01568     NWidgetBase *display = this->head;
    01569     NWidgetBase *bar = display->next;
    01570
    01571     display->SetupSmallestSize(w, init_array);
    01572     bar->SetupSmallestSize(w, init_array);
    01573
    01574     this->smallmap_window = dynamic_cast<SmallMapWindow *>(w);
    01575     this->smallest_x = max(display->smallest_x, bar->smallest_x + smallmap_window->GetMinLegendWidth());
    01576     this->smallest_y = display->smallest_y + max(bar->smallest_y, smallmap_window->GetLegendHeight(smallmap_window->min_number_of_columns));
    01577     this->fill_x = max(display->fill_x, bar->fill_x);
    01578     this->fill_y = (display->fill_y == 0 && bar->fill_y == 0) ? 0 : min(display->fill_y, bar->fill_y);
    01579     this->resize_x = max(display->resize_x, bar->resize_x);
    01580     this->resize_y = min(display->resize_y, bar->resize_y);
    01581   }
    01582
    01583   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
    01584   {
    01585     this->pos_x = x;
    01586     this->pos_y = y;
    01587     this->current_x = given_width;
    01588     this->current_y = given_height;
    01589
    01590     NWidgetBase *display = this->head;
    01591     NWidgetBase *bar = display->next;
    01592
    01593     if (sizing == ST_SMALLEST) {
    01594       this->smallest_x = given_width;
    01595       this->smallest_y = given_height;
    01596       /* Make display and bar exactly equal to their minimal size. */
    01597       display->AssignSizePosition(ST_SMALLEST, x, y, display->smallest_x, display->smallest_y, rtl);
    01598       bar->AssignSizePosition(ST_SMALLEST, x, y + display->smallest_y, bar->smallest_x, bar->smallest_y, rtl);
    01599     }
    01600
    01601     uint bar_height = max(bar->smallest_y, this->smallmap_window->GetLegendHeight(this->smallmap_window->GetNumberColumnsLegend(given_width - bar->smallest_x)));
    01602     uint display_height = given_height - bar_height;
    01603     display->AssignSizePosition(ST_RESIZE, x, y, given_width, display_height, rtl);
    01604     bar->AssignSizePosition(ST_RESIZE, x, y + display_height, given_width, bar_height, rtl);
    01605   }
    01606
    01607   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
    01608   {
    01609     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
    01610     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
    01611       NWidgetCore *widget = child_wid->GetWidgetFromPos(x, y);
    01612       if (widget != NULL) return widget;
    01613     }
    01614     return NULL;
    01615   }
    01616
    01617   virtual void Draw(const Window *w)
    01618   {
    01619     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) child_wid->Draw(w);
    01620   }
    01621 };
    01622
    01624 static const NWidgetPart _nested_smallmap_display[] = {
    01625   NWidget(WWT_PANEL, COLOUR_BROWN, WID_SM_MAP_BORDER),
    01626     NWidget(WWT_INSET, COLOUR_BROWN, WID_SM_MAP), SetMinimalSize(346, 140), SetResize(1, 1), SetPadding(2, 2, 2, 2), EndContainer(),
    01627   EndContainer(),
    01628 };
    01629
    01631 static const NWidgetPart _nested_smallmap_bar[] = {
    01632   NWidget(WWT_PANEL, COLOUR_BROWN),
    01633     NWidget(NWID_HORIZONTAL),
    01634       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SM_LEGEND), SetResize(1, 1),
    01635       NWidget(NWID_VERTICAL),
    01636         /* Top button row. */
    01637         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01638           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_IN),
    01639               SetDataTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN), SetFill(1, 1),
    01640           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_CENTERMAP),
    01641               SetDataTip(SPR_IMG_SMALLMAP, STR_SMALLMAP_CENTER), SetFill(1, 1),
    01642           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_CONTOUR),
    01643               SetDataTip(SPR_IMG_SHOW_COUNTOURS, STR_SMALLMAP_TOOLTIP_SHOW_LAND_CONTOURS_ON_MAP), SetFill(1, 1),
    01644           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEHICLES),
    01645               SetDataTip(SPR_IMG_SHOW_VEHICLES, STR_SMALLMAP_TOOLTIP_SHOW_VEHICLES_ON_MAP), SetFill(1, 1),
    01646           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_INDUSTRIES),
    01647               SetDataTip(SPR_IMG_INDUSTRY, STR_SMALLMAP_TOOLTIP_SHOW_INDUSTRIES_ON_MAP), SetFill(1, 1),
    01648         EndContainer(),
    01649         /* Bottom button row. */
    01650         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01651           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_OUT),
    01652               SetDataTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT), SetFill(1, 1),
    01653           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_TOGGLETOWNNAME),
    01654               SetDataTip(SPR_IMG_TOWN, STR_SMALLMAP_TOOLTIP_TOGGLE_TOWN_NAMES_ON_OFF), SetFill(1, 1),
    01655           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_ROUTES),
    01656               SetDataTip(SPR_IMG_SHOW_ROUTES, STR_SMALLMAP_TOOLTIP_SHOW_TRANSPORT_ROUTES_ON), SetFill(1, 1),
    01657           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEGETATION),
    01658               SetDataTip(SPR_IMG_PLANTTREES, STR_SMALLMAP_TOOLTIP_SHOW_VEGETATION_ON_MAP), SetFill(1, 1),
    01659           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_OWNERS),
    01660               SetDataTip(SPR_IMG_COMPANY_GENERAL, STR_SMALLMAP_TOOLTIP_SHOW_LAND_OWNERS_ON_MAP), SetFill(1, 1),
    01661         EndContainer(),
    01662         NWidget(NWID_SPACER), SetResize(0, 1),
    01663       EndContainer(),
    01664     EndContainer(),
    01665   EndContainer(),
    01666 };
    01667
    01668 static NWidgetBase *SmallMapDisplay(int *biggest_index)
    01669 {
    01670   NWidgetContainer *map_display = new NWidgetSmallmapDisplay;
    01671
    01672   MakeNWidgets(_nested_smallmap_display, lengthof(_nested_smallmap_display), biggest_index, map_display);
    01673   MakeNWidgets(_nested_smallmap_bar, lengthof(_nested_smallmap_bar), biggest_index, map_display);
    01674   return map_display;
    01675 }
    01676
    01677
    01678 static const NWidgetPart _nested_smallmap_widgets[] = {
    01679   NWidget(NWID_HORIZONTAL),
    01680     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01681     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_SM_CAPTION), SetDataTip(STR_SMALLMAP_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01682     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01683     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01684   EndContainer(),
    01685   NWidgetFunction(SmallMapDisplay), // Smallmap display and legend bar + image buttons.
    01686   /* Bottom button row and resize box. */
    01687   NWidget(NWID_HORIZONTAL),
    01688     NWidget(WWT_PANEL, COLOUR_BROWN),
    01689       NWidget(NWID_HORIZONTAL),
    01690         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_SM_SELECT_BUTTONS),
    01691           NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01692             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_ENABLE_ALL), SetDataTip(STR_SMALLMAP_ENABLE_ALL, STR_NULL),
    01693             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_DISABLE_ALL), SetDataTip(STR_SMALLMAP_DISABLE_ALL, STR_NULL),
    01694             NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_SM_SHOW_HEIGHT), SetDataTip(STR_SMALLMAP_SHOW_HEIGHT, STR_SMALLMAP_TOOLTIP_SHOW_HEIGHT),
    01695           EndContainer(),
    01696           NWidget(NWID_SPACER), SetFill(1, 1),
    01697         EndContainer(),
    01698         NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
    01699       EndContainer(),
    01700     EndContainer(),
    01701     NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01702   EndContainer(),
    01703 };
    01704
    01705 static const WindowDesc _smallmap_desc(
    01706   WDP_AUTO, 446, 314,
    01707   WC_SMALLMAP, WC_NONE,
    01708   WDF_UNCLICK_BUTTONS,
    01709   _nested_smallmap_widgets, lengthof(_nested_smallmap_widgets)
    01710 );
    01711
    01715 void ShowSmallMap()
    01716 {
    01717   AllocateWindowDescFront<SmallMapWindow>(&_smallmap_desc, 0);
    01718 }
    01719
    01728 bool ScrollMainWindowTo(int x, int y, int z, bool instant)
    01729 {
    01730   bool res = ScrollWindowTo(x, y, z, FindWindowById(WC_MAIN_WINDOW, 0), instant);
    01731
    01732   /* If a user scrolls to a tile (via what way what so ever) and already is on
    01733    * that tile (e.g.: pressed twice), move the smallmap to that location,
    01734    * so you directly see where you are on the smallmap. */
    01735
    01736   if (res) return res;
    01737
    01738   SmallMapWindow *w = dynamic_cast<SmallMapWindow*>(FindWindowById(WC_SMALLMAP, 0));
    01739   if (w != NULL) w->SmallMapCenterOnCurrentPos();
    01740
    01741   return res;
    01742 }