# 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 #include "smallmap_gui.h"
    00027
    00028 #include "table/strings.h"
    00029
    00030 static int _smallmap_industry_count;
    00031 static int _smallmap_company_count;
    00032 static int _smallmap_cargo_count;
    00033
    00035 static uint8 _linkstat_colours_in_legenda[] = {0, 1, 3, 5, 7, 9, 11};
    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 static LegendAndColour _legend_land_contours[] = {
    00069   /* The colours for the following values are set at BuildLandLegend() based on each colour scheme. */
    00070   MC(0),
    00071   MC(4),
    00072   MC(8),
    00073   MC(12),
    00074   MC(14),
    00075
    00076   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00077   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00078   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_STATIONS_AIRPORTS_DOCKS),
    00079   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00080   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_VEHICLES),
    00081   MKEND()
    00082 };
    00083
    00084 static const LegendAndColour _legend_vehicles[] = {
    00085   MK(PC_RED,             STR_SMALLMAP_LEGENDA_TRAINS),
    00086   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_ROAD_VEHICLES),
    00087   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SHIPS),
    00088   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_AIRCRAFT),
    00089
    00090   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00091   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00092   MKEND()
    00093 };
    00094
    00095 static const LegendAndColour _legend_routes[] = {
    00096   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00097   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00098   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00099
    00100   MS(PC_VERY_DARK_BROWN, STR_SMALLMAP_LEGENDA_RAILROAD_STATION),
    00101   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_TRUCK_LOADING_BAY),
    00102   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_BUS_STATION),
    00103   MK(PC_RED,             STR_SMALLMAP_LEGENDA_AIRPORT_HELIPORT),
    00104   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_DOCK),
    00105   MKEND()
    00106 };
    00107
    00108 static const LegendAndColour _legend_vegetation[] = {
    00109   MK(PC_ROUGH_LAND,      STR_SMALLMAP_LEGENDA_ROUGH_LAND),
    00110   MK(PC_GRASS_LAND,      STR_SMALLMAP_LEGENDA_GRASS_LAND),
    00111   MK(PC_BARE_LAND,       STR_SMALLMAP_LEGENDA_BARE_LAND),
    00112   MK(PC_FIELDS,          STR_SMALLMAP_LEGENDA_FIELDS),
    00113   MK(PC_TREES,           STR_SMALLMAP_LEGENDA_TREES),
    00114   MK(PC_GREEN,           STR_SMALLMAP_LEGENDA_FOREST),
    00115
    00116   MS(PC_GREY,            STR_SMALLMAP_LEGENDA_ROCKS),
    00117   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_DESERT),
    00118   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SNOW),
    00119   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00120   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00121   MKEND()
    00122 };
    00123
    00124 static LegendAndColour _legend_land_owners[NUM_NO_COMPANY_ENTRIES + MAX_COMPANIES + 1] = {
    00125   MO(PC_WATER,           STR_SMALLMAP_LEGENDA_WATER),
    00126   MO(0x00,               STR_SMALLMAP_LEGENDA_NO_OWNER), // This colour will vary depending on settings.
    00127   MO(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_TOWNS),
    00128   MO(PC_DARK_GREY,       STR_SMALLMAP_LEGENDA_INDUSTRIES),
    00129   /* The legend will be terminated the first time it is used. */
    00130   MOEND(),
    00131 };
    00132
    00133 #undef MK
    00134 #undef MC
    00135 #undef MS
    00136 #undef MO
    00137 #undef MOEND
    00138 #undef MKEND
    00139
    00141 static LegendAndColour _legend_linkstats[NUM_CARGO + lengthof(_linkstat_colours_in_legenda) + 1];
    00146 static LegendAndColour _legend_from_industries[NUM_INDUSTRYTYPES + 1];
    00148 static uint _industry_to_list_pos[NUM_INDUSTRYTYPES];
    00150 static bool _smallmap_show_heightmap = false;
    00152 static IndustryType _smallmap_industry_highlight = INVALID_INDUSTRYTYPE;
    00154 static bool _smallmap_industry_highlight_state;
    00156 static uint _company_to_list_pos[MAX_COMPANIES];
    00157
    00161 void BuildIndustriesLegend()
    00162 {
    00163   uint j = 0;
    00164
    00165   /* Add each name */
    00166   for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
    00167     IndustryType ind = _sorted_industry_types[i];
    00168     const IndustrySpec *indsp = GetIndustrySpec(ind);
    00169     if (indsp->enabled) {
    00170       _legend_from_industries[j].legend = indsp->name;
    00171       _legend_from_industries[j].colour = indsp->map_colour;
    00172       _legend_from_industries[j].type = ind;
    00173       _legend_from_industries[j].show_on_map = true;
    00174       _legend_from_industries[j].col_break = false;
    00175       _legend_from_industries[j].end = false;
    00176
    00177       /* Store widget number for this industry type. */
    00178       _industry_to_list_pos[ind] = j;
    00179       j++;
    00180     }
    00181   }
    00182   /* Terminate the list */
    00183   _legend_from_industries[j].end = true;
    00184
    00185   /* Store number of enabled industries */
    00186   _smallmap_industry_count = j;
    00187 }
    00188
    00192 void BuildLinkStatsLegend()
    00193 {
    00194   /* Clear the legend */
    00195   memset(_legend_linkstats, 0, sizeof(_legend_linkstats));
    00196
    00197   uint i = 0;
    00198   for (; i < _sorted_cargo_specs_size; ++i) {
    00199     const CargoSpec *cs = _sorted_cargo_specs[i];
    00200
    00201     _legend_linkstats[i].legend = cs->name;
    00202     _legend_linkstats[i].colour = cs->legend_colour;
    00203     _legend_linkstats[i].type = cs->Index();
    00204     _legend_linkstats[i].show_on_map = true;
    00205   }
    00206
    00207   _legend_linkstats[i].col_break = true;
    00208   _smallmap_cargo_count = i;
    00209
    00210   for (; i < _smallmap_cargo_count + lengthof(_linkstat_colours_in_legenda); ++i) {
    00211     _legend_linkstats[i].legend = STR_EMPTY;
    00212     _legend_linkstats[i].colour = LinkGraphOverlay::LINK_COLOURS[_linkstat_colours_in_legenda[i - _smallmap_cargo_count]];
    00213     _legend_linkstats[i].show_on_map = true;
    00214   }
    00215
    00216   _legend_linkstats[_smallmap_cargo_count].legend = STR_LINKGRAPH_LEGEND_UNUSED;
    00217   _legend_linkstats[i - 1].legend = STR_LINKGRAPH_LEGEND_OVERLOADED;
    00218   _legend_linkstats[(_smallmap_cargo_count + i - 1) / 2].legend = STR_LINKGRAPH_LEGEND_SATURATED;
    00219   _legend_linkstats[i].end = true;
    00220 }
    00221
    00222 static const LegendAndColour * const _legend_table[] = {
    00223   _legend_land_contours,
    00224   _legend_vehicles,
    00225   _legend_from_industries,
    00226   _legend_linkstats,
    00227   _legend_routes,
    00228   _legend_vegetation,
    00229   _legend_land_owners,
    00230 };
    00231
    00232 #define MKCOLOUR(x)         TO_LE32X(x)
    00233
    00234 #define MKCOLOUR_XXXX(x)    (MKCOLOUR(0x01010101) * (uint)(x))
    00235 #define MKCOLOUR_X0X0(x)    (MKCOLOUR(0x01000100) * (uint)(x))
    00236 #define MKCOLOUR_0X0X(x)    (MKCOLOUR(0x00010001) * (uint)(x))
    00237 #define MKCOLOUR_0XX0(x)    (MKCOLOUR(0x00010100) * (uint)(x))
    00238 #define MKCOLOUR_X00X(x)    (MKCOLOUR(0x01000001) * (uint)(x))
    00239
    00240 #define MKCOLOUR_XYXY(x, y) (MKCOLOUR_X0X0(x) | MKCOLOUR_0X0X(y))
    00241 #define MKCOLOUR_XYYX(x, y) (MKCOLOUR_X00X(x) | MKCOLOUR_0XX0(y))
    00242
    00243 #define MKCOLOUR_0000       MKCOLOUR_XXXX(0x00)
    00244 #define MKCOLOUR_0FF0       MKCOLOUR_0XX0(0xFF)
    00245 #define MKCOLOUR_F00F       MKCOLOUR_X00X(0xFF)
    00246 #define MKCOLOUR_FFFF       MKCOLOUR_XXXX(0xFF)
    00247
    00249 static const uint32 _green_map_heights[] = {
    00250   MKCOLOUR_XXXX(0x5A),
    00251   MKCOLOUR_XYXY(0x5A, 0x5B),
    00252   MKCOLOUR_XXXX(0x5B),
    00253   MKCOLOUR_XYXY(0x5B, 0x5C),
    00254   MKCOLOUR_XXXX(0x5C),
    00255   MKCOLOUR_XYXY(0x5C, 0x5D),
    00256   MKCOLOUR_XXXX(0x5D),
    00257   MKCOLOUR_XYXY(0x5D, 0x5E),
    00258   MKCOLOUR_XXXX(0x5E),
    00259   MKCOLOUR_XYXY(0x5E, 0x5F),
    00260   MKCOLOUR_XXXX(0x5F),
    00261   MKCOLOUR_XYXY(0x5F, 0x1F),
    00262   MKCOLOUR_XXXX(0x1F),
    00263   MKCOLOUR_XYXY(0x1F, 0x27),
    00264   MKCOLOUR_XXXX(0x27),
    00265   MKCOLOUR_XXXX(0x27),
    00266 };
    00267 assert_compile(lengthof(_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00268
    00270 static const uint32 _dark_green_map_heights[] = {
    00271   MKCOLOUR_XXXX(0x60),
    00272   MKCOLOUR_XYXY(0x60, 0x61),
    00273   MKCOLOUR_XXXX(0x61),
    00274   MKCOLOUR_XYXY(0x61, 0x62),
    00275   MKCOLOUR_XXXX(0x62),
    00276   MKCOLOUR_XYXY(0x62, 0x63),
    00277   MKCOLOUR_XXXX(0x63),
    00278   MKCOLOUR_XYXY(0x63, 0x64),
    00279   MKCOLOUR_XXXX(0x64),
    00280   MKCOLOUR_XYXY(0x64, 0x65),
    00281   MKCOLOUR_XXXX(0x65),
    00282   MKCOLOUR_XYXY(0x65, 0x66),
    00283   MKCOLOUR_XXXX(0x66),
    00284   MKCOLOUR_XYXY(0x66, 0x67),
    00285   MKCOLOUR_XXXX(0x67),
    00286   MKCOLOUR_XXXX(0x67),
    00287 };
    00288 assert_compile(lengthof(_dark_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00289
    00291 static const uint32 _violet_map_heights[] = {
    00292   MKCOLOUR_XXXX(0x80),
    00293   MKCOLOUR_XYXY(0x80, 0x81),
    00294   MKCOLOUR_XXXX(0x81),
    00295   MKCOLOUR_XYXY(0x81, 0x82),
    00296   MKCOLOUR_XXXX(0x82),
    00297   MKCOLOUR_XYXY(0x82, 0x83),
    00298   MKCOLOUR_XXXX(0x83),
    00299   MKCOLOUR_XYXY(0x83, 0x84),
    00300   MKCOLOUR_XXXX(0x84),
    00301   MKCOLOUR_XYXY(0x84, 0x85),
    00302   MKCOLOUR_XXXX(0x85),
    00303   MKCOLOUR_XYXY(0x85, 0x86),
    00304   MKCOLOUR_XXXX(0x86),
    00305   MKCOLOUR_XYXY(0x86, 0x87),
    00306   MKCOLOUR_XXXX(0x87),
    00307   MKCOLOUR_XXXX(0x87),
    00308 };
    00309 assert_compile(lengthof(_violet_map_heights) == MAX_TILE_HEIGHT + 1);
    00310
    00312 struct SmallMapColourScheme {
    00313   const uint32 *height_colours;
    00314   uint32 default_colour;
    00315 };
    00316
    00318 static const SmallMapColourScheme _heightmap_schemes[] = {
    00319   {_green_map_heights,      MKCOLOUR_XXXX(0x54)},
    00320   {_dark_green_map_heights, MKCOLOUR_XXXX(0x62)},
    00321   {_violet_map_heights,     MKCOLOUR_XXXX(0x82)},
    00322 };
    00323
    00327 void BuildLandLegend()
    00328 {
    00329   for (LegendAndColour *lc = _legend_land_contours; lc->legend == STR_TINY_BLACK_HEIGHT; lc++) {
    00330     lc->colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].height_colours[lc->height];
    00331   }
    00332 }
    00333
    00337 void BuildOwnerLegend()
    00338 {
    00339   _legend_land_owners[1].colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].default_colour;
    00340
    00341   int i = NUM_NO_COMPANY_ENTRIES;
    00342   const Company *c;
    00343   FOR_ALL_COMPANIES(c) {
    00344     _legend_land_owners[i].colour = _colour_gradient[c->colour][5];
    00345     _legend_land_owners[i].company = c->index;
    00346     _legend_land_owners[i].show_on_map = true;
    00347     _legend_land_owners[i].col_break = false;
    00348     _legend_land_owners[i].end = false;
    00349     _company_to_list_pos[c->index] = i;
    00350     i++;
    00351   }
    00352
    00353   /* Terminate the list */
    00354   _legend_land_owners[i].end = true;
    00355
    00356   /* Store maximum amount of owner legend entries. */
    00357   _smallmap_company_count = i;
    00358 }
    00359
    00360 struct AndOr {
    00361   uint32 mor;
    00362   uint32 mand;
    00363 };
    00364
    00365 static inline uint32 ApplyMask(uint32 colour, const AndOr *mask)
    00366 {
    00367   return (colour & mask->mand) | mask->mor;
    00368 }
    00369
    00370
    00372 static const AndOr _smallmap_contours_andor[] = {
    00373   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00374   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F}, // MP_RAILWAY
    00375   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00376   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00377   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00378   {MKCOLOUR_XXXX(PC_LIGHT_BLUE), MKCOLOUR_0000}, // MP_STATION
    00379   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00380   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00381   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00382   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00383   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00384   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F},
    00385 };
    00386
    00388 static const AndOr _smallmap_vehicles_andor[] = {
    00389   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00390   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_RAILWAY
    00391   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00392   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00393   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00394   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_STATION
    00395   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00396   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00397   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00398   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00399   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00400   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F},
    00401 };
    00402
    00404 static const byte _tiletype_importance[] = {
    00405   2, // MP_CLEAR
    00406   8, // MP_RAILWAY
    00407   7, // MP_ROAD
    00408   5, // MP_HOUSE
    00409   2, // MP_TREES
    00410   9, // MP_STATION
    00411   2, // MP_WATER
    00412   1, // MP_VOID
    00413   6, // MP_INDUSTRY
    00414   8, // MP_TUNNELBRIDGE
    00415   2, // MP_OBJECT
    00416   0,
    00417 };
    00418
    00419
    00420 static inline TileType GetEffectiveTileType(TileIndex tile)
    00421 {
    00422   TileType t = GetTileType(tile);
    00423
    00424   if (t == MP_TUNNELBRIDGE) {
    00425     TransportType tt = GetTunnelBridgeTransportType(tile);
    00426
    00427     switch (tt) {
    00428       case TRANSPORT_RAIL: t = MP_RAILWAY; break;
    00429       case TRANSPORT_ROAD: t = MP_ROAD;    break;
    00430       default:             t = MP_WATER;   break;
    00431     }
    00432   }
    00433   return t;
    00434 }
    00435
    00442 static inline uint32 GetSmallMapContoursPixels(TileIndex tile, TileType t)
    00443 {
    00444   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00445   return ApplyMask(cs->height_colours[TileHeight(tile)], &_smallmap_contours_andor[t]);
    00446 }
    00447
    00455 static inline uint32 GetSmallMapVehiclesPixels(TileIndex tile, TileType t)
    00456 {
    00457   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00458   return ApplyMask(cs->default_colour, &_smallmap_vehicles_andor[t]);
    00459 }
    00460
    00468 static inline uint32 GetSmallMapIndustriesPixels(TileIndex tile, TileType t)
    00469 {
    00470   if (t == MP_INDUSTRY) {
    00471     /* If industry is allowed to be seen, use its colour on the map */
    00472     IndustryType type = Industry::GetByTile(tile)->type;
    00473     if (_legend_from_industries[_industry_to_list_pos[type]].show_on_map &&
    00474         (_smallmap_industry_highlight_state || type != _smallmap_industry_highlight)) {
    00475       return (type == _smallmap_industry_highlight ? PC_WHITE : GetIndustrySpec(Industry::GetByTile(tile)->type)->map_colour) * 0x01010101;
    00476     } else {
    00477       /* Otherwise, return the colour which will make it disappear */
    00478       t = (IsTileOnWater(tile) ? MP_WATER : MP_CLEAR);
    00479     }
    00480   }
    00481
    00482   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00483   return ApplyMask(_smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour, &_smallmap_vehicles_andor[t]);
    00484 }
    00485
    00493 static inline uint32 GetSmallMapRoutesPixels(TileIndex tile, TileType t)
    00494 {
    00495   if (t == MP_STATION) {
    00496     switch (GetStationType(tile)) {
    00497       case STATION_RAIL:    return MKCOLOUR_XXXX(PC_VERY_DARK_BROWN);
    00498       case STATION_AIRPORT: return MKCOLOUR_XXXX(PC_RED);
    00499       case STATION_TRUCK:   return MKCOLOUR_XXXX(PC_ORANGE);
    00500       case STATION_BUS:     return MKCOLOUR_XXXX(PC_YELLOW);
    00501       case STATION_DOCK:    return MKCOLOUR_XXXX(PC_LIGHT_BLUE);
    00502       default:              return MKCOLOUR_FFFF;
    00503     }
    00504   } else if (t == MP_RAILWAY) {
    00505     AndOr andor = {
    00506       MKCOLOUR_0XX0(GetRailTypeInfo(GetRailType(tile))->map_colour),
    00507       _smallmap_contours_andor[t].mand
    00508     };
    00509
    00510     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00511     return ApplyMask(cs->default_colour, &andor);
    00512   }
    00513
    00514   /* Ground colour */
    00515   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00516   return ApplyMask(cs->default_colour, &_smallmap_contours_andor[t]);
    00517 }
    00518
    00526 static inline uint32 GetSmallMapLinkStatsPixels(TileIndex tile, TileType t)
    00527 {
    00528   return _smallmap_show_heightmap ? GetSmallMapContoursPixels(tile, t) : GetSmallMapRoutesPixels(tile, t);
    00529 }
    00530
    00531 static const uint32 _vegetation_clear_bits[] = {
    00532   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00533   MKCOLOUR_XXXX(PC_ROUGH_LAND),
    00534   MKCOLOUR_XXXX(PC_GREY),
    00535   MKCOLOUR_XXXX(PC_FIELDS),
    00536   MKCOLOUR_XXXX(PC_LIGHT_BLUE),
    00537   MKCOLOUR_XXXX(PC_ORANGE),
    00538   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00539   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00540 };
    00541
    00549 static inline uint32 GetSmallMapVegetationPixels(TileIndex tile, TileType t)
    00550 {
    00551   switch (t) {
    00552     case MP_CLEAR:
    00553       return (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) < 3) ? MKCOLOUR_XXXX(PC_BARE_LAND) : _vegetation_clear_bits[GetClearGround(tile)];
    00554
    00555     case MP_INDUSTRY:
    00556       return IsTileForestIndustry(tile) ? MKCOLOUR_XXXX(PC_GREEN) : MKCOLOUR_XXXX(PC_DARK_RED);
    00557
    00558     case MP_TREES:
    00559       if (GetTreeGround(tile) == TREE_GROUND_SNOW_DESERT || GetTreeGround(tile) == TREE_GROUND_ROUGH_SNOW) {
    00560         return (_settings_game.game_creation.landscape == LT_ARCTIC) ? MKCOLOUR_XYYX(PC_LIGHT_BLUE, PC_TREES) : MKCOLOUR_XYYX(PC_ORANGE, PC_TREES);
    00561       }
    00562       return MKCOLOUR_XYYX(PC_GRASS_LAND, PC_TREES);
    00563
    00564     default:
    00565       return ApplyMask(MKCOLOUR_XXXX(PC_GRASS_LAND), &_smallmap_vehicles_andor[t]);
    00566   }
    00567 }
    00568
    00576 static inline uint32 GetSmallMapOwnerPixels(TileIndex tile, TileType t)
    00577 {
    00578   Owner o;
    00579
    00580   switch (t) {
    00581     case MP_INDUSTRY: return MKCOLOUR_XXXX(PC_DARK_GREY);
    00582     case MP_HOUSE:    return MKCOLOUR_XXXX(PC_DARK_RED);
    00583     default:          o = GetTileOwner(tile); break;
    00584     /* FIXME: For MP_ROAD there are multiple owners.
    00585      * GetTileOwner returns the rail owner (level crossing) resp. the owner of ROADTYPE_ROAD (normal road),
    00586      * even if there are no ROADTYPE_ROAD bits on the tile.
    00587      */
    00588   }
    00589
    00590   if ((o < MAX_COMPANIES && !_legend_land_owners[_company_to_list_pos[o]].show_on_map) || o == OWNER_NONE || o == OWNER_WATER) {
    00591     if (t == MP_WATER) return MKCOLOUR_XXXX(PC_WATER);
    00592     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00593     return _smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour;
    00594   } else if (o == OWNER_TOWN) {
    00595     return MKCOLOUR_XXXX(PC_DARK_RED);
    00596   }
    00597
    00598   return MKCOLOUR_XXXX(_legend_land_owners[_company_to_list_pos[o]].colour);
    00599 }
    00600
    00602 static const byte _vehicle_type_colours[6] = {
    00603   PC_RED, PC_YELLOW, PC_LIGHT_BLUE, PC_WHITE, PC_BLACK, PC_RED
    00604 };
    00605
    00606 inline Point SmallMapWindow::SmallmapRemapCoords(int x, int y) const
    00607 {
    00608   Point pt;
    00609   pt.x = (y - x) * 2;
    00610   pt.y = y + x;
    00611   return pt;
    00612 }
    00613
    00620 inline Point SmallMapWindow::RemapTile(int tile_x, int tile_y) const
    00621 {
    00622   int x_offset = tile_x - this->scroll_x / (int)TILE_SIZE;
    00623   int y_offset = tile_y - this->scroll_y / (int)TILE_SIZE;
    00624
    00625   if (this->zoom == 1) return SmallmapRemapCoords(x_offset, y_offset);
    00626
    00627   /* For negative offsets, round towards -inf. */
    00628   if (x_offset < 0) x_offset -= this->zoom - 1;
    00629   if (y_offset < 0) y_offset -= this->zoom - 1;
    00630
    00631   return SmallmapRemapCoords(x_offset / this->zoom, y_offset / this->zoom);
    00632 }
    00633
    00644 inline Point SmallMapWindow::PixelToTile(int px, int py, int *sub, bool add_sub) const
    00645 {
    00646   if (add_sub) px += this->subscroll;  // Total horizontal offset.
    00647
    00648   /* For each two rows down, add a x and a y tile, and
    00649    * For each four pixels to the right, move a tile to the right. */
    00650   Point pt = {((py >> 1) - (px >> 2)) * this->zoom, ((py >> 1) + (px >> 2)) * this->zoom};
    00651   px &= 3;
    00652
    00653   if (py & 1) { // Odd number of rows, handle the 2 pixel shift.
    00654     if (px < 2) {
    00655       pt.x += this->zoom;
    00656       px += 2;
    00657     } else {
    00658       pt.y += this->zoom;
    00659       px -= 2;
    00660     }
    00661   }
    00662
    00663   *sub = px;
    00664   return pt;
    00665 }
    00666
    00676 Point SmallMapWindow::ComputeScroll(int tx, int ty, int x, int y, int *sub)
    00677 {
    00678   assert(x >= 0 && y >= 0);
    00679
    00680   int new_sub;
    00681   Point tile_xy = PixelToTile(x, y, &new_sub, false);
    00682   tx -= tile_xy.x;
    00683   ty -= tile_xy.y;
    00684
    00685   Point scroll;
    00686   if (new_sub == 0) {
    00687     *sub = 0;
    00688     scroll.x = (tx + this->zoom) * TILE_SIZE;
    00689     scroll.y = (ty - this->zoom) * TILE_SIZE;
    00690   } else {
    00691     *sub = 4 - new_sub;
    00692     scroll.x = (tx + 2 * this->zoom) * TILE_SIZE;
    00693     scroll.y = (ty - 2 * this->zoom) * TILE_SIZE;
    00694   }
    00695   return scroll;
    00696 }
    00697
    00704 void SmallMapWindow::SetZoomLevel(ZoomLevelChange change, const Point *zoom_pt)
    00705 {
    00706   static const int zoomlevels[] = {1, 2, 4, 6, 8}; // Available zoom levels. Bigger number means more zoom-out (further away).
    00707   static const int MIN_ZOOM_INDEX = 0;
    00708   static const int MAX_ZOOM_INDEX = lengthof(zoomlevels) - 1;
    00709
    00710   int new_index, cur_index, sub;
    00711   Point tile;
    00712   switch (change) {
    00713     case ZLC_INITIALIZE:
    00714       cur_index = - 1; // Definitely different from new_index.
    00715       new_index = MIN_ZOOM_INDEX;
    00716       break;
    00717
    00718     case ZLC_ZOOM_IN:
    00719     case ZLC_ZOOM_OUT:
    00720       for (cur_index = MIN_ZOOM_INDEX; cur_index <= MAX_ZOOM_INDEX; cur_index++) {
    00721         if (this->zoom == zoomlevels[cur_index]) break;
    00722       }
    00723       assert(cur_index <= MAX_ZOOM_INDEX);
    00724
    00725       tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00726       new_index = Clamp(cur_index + ((change == ZLC_ZOOM_IN) ? -1 : 1), MIN_ZOOM_INDEX, MAX_ZOOM_INDEX);
    00727       break;
    00728
    00729     default: NOT_REACHED();
    00730   }
    00731
    00732   if (new_index != cur_index) {
    00733     this->zoom = zoomlevels[new_index];
    00734     if (cur_index >= 0) {
    00735       Point new_tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00736       this->SetNewScroll(this->scroll_x + (tile.x - new_tile.x) * TILE_SIZE,
    00737           this->scroll_y + (tile.y - new_tile.y) * TILE_SIZE, sub);
    00738     } else if (this->map_type == SMT_LINKSTATS) {
    00739       this->overlay->RebuildCache();
    00740     }
    00741     this->SetWidgetDisabledState(WID_SM_ZOOM_IN,  this->zoom == zoomlevels[MIN_ZOOM_INDEX]);
    00742     this->SetWidgetDisabledState(WID_SM_ZOOM_OUT, this->zoom == zoomlevels[MAX_ZOOM_INDEX]);
    00743     this->SetDirty();
    00744   }
    00745 }
    00746
    00752 inline uint32 SmallMapWindow::GetTileColours(const TileArea &ta) const
    00753 {
    00754   int importance = 0;
    00755   TileIndex tile = INVALID_TILE; // Position of the most important tile.
    00756   TileType et = MP_VOID;         // Effective tile type at that position.
    00757
    00758   TILE_AREA_LOOP(ti, ta) {
    00759     TileType ttype = GetEffectiveTileType(ti);
    00760     if (_tiletype_importance[ttype] > importance) {
    00761       importance = _tiletype_importance[ttype];
    00762       tile = ti;
    00763       et = ttype;
    00764     }
    00765   }
    00766
    00767   switch (this->map_type) {
    00768     case SMT_CONTOUR:
    00769       return GetSmallMapContoursPixels(tile, et);
    00770
    00771     case SMT_VEHICLES:
    00772       return GetSmallMapVehiclesPixels(tile, et);
    00773
    00774     case SMT_INDUSTRY:
    00775       return GetSmallMapIndustriesPixels(tile, et);
    00776
    00777     case SMT_LINKSTATS:
    00778       return GetSmallMapLinkStatsPixels(tile, et);
    00779
    00780     case SMT_ROUTES:
    00781       return GetSmallMapRoutesPixels(tile, et);
    00782
    00783     case SMT_VEGETATION:
    00784       return GetSmallMapVegetationPixels(tile, et);
    00785
    00786     case SMT_OWNER:
    00787       return GetSmallMapOwnerPixels(tile, et);
    00788
    00789     default: NOT_REACHED();
    00790   }
    00791 }
    00792
    00807 void SmallMapWindow::DrawSmallMapColumn(void *dst, uint xc, uint yc, int pitch, int reps, int start_pos, int end_pos, Blitter *blitter) const
    00808 {
    00809   void *dst_ptr_abs_end = blitter->MoveTo(_screen.dst_ptr, 0, _screen.height);
    00810   uint min_xy = _settings_game.construction.freeform_edges ? 1 : 0;
    00811
    00812   do {
    00813     /* Check if the tile (xc,yc) is within the map range */
    00814     if (xc >= MapMaxX() || yc >= MapMaxY()) continue;
    00815
    00816     /* Check if the dst pointer points to a pixel inside the screen buffer */
    00817     if (dst < _screen.dst_ptr) continue;
    00818     if (dst >= dst_ptr_abs_end) continue;
    00819
    00820     /* Construct tilearea covered by (xc, yc, xc + this->zoom, yc + this->zoom) such that it is within min_xy limits. */
    00821     TileArea ta;
    00822     if (min_xy == 1 && (xc == 0 || yc == 0)) {
    00823       if (this->zoom == 1) continue; // The tile area is empty, don't draw anything.
    00824
    00825       ta = TileArea(TileXY(max(min_xy, xc), max(min_xy, yc)), this->zoom - (xc == 0), this->zoom - (yc == 0));
    00826     } else {
    00827       ta = TileArea(TileXY(xc, yc), this->zoom, this->zoom);
    00828     }
    00829     ta.ClampToMap(); // Clamp to map boundaries (may contain MP_VOID tiles!).
    00830
    00831     uint32 val = this->GetTileColours(ta);
    00832     uint8 *val8 = (uint8 *)&val;
    00833     int idx = max(0, -start_pos);
    00834     for (int pos = max(0, start_pos); pos < end_pos; pos++) {
    00835       blitter->SetPixel(dst, idx, 0, val8[idx]);
    00836       idx++;
    00837     }
    00838   /* Switch to next tile in the column */
    00839   } while (xc += this->zoom, yc += this->zoom, dst = blitter->MoveTo(dst, pitch, 0), --reps != 0);
    00840 }
    00841
    00847 void SmallMapWindow::DrawVehicles(const DrawPixelInfo *dpi, Blitter *blitter) const
    00848 {
    00849   const Vehicle *v;
    00850   FOR_ALL_VEHICLES(v) {
    00851     if (v->type == VEH_EFFECT) continue;
    00852     if (v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) continue;
    00853
    00854     /* Remap into flat coordinates. */
    00855     Point pt = this->RemapTile(v->x_pos / TILE_SIZE, v->y_pos / TILE_SIZE);
    00856
    00857     int y = pt.y - dpi->top;
    00858     if (!IsInsideMM(y, 0, dpi->height)) continue; // y is out of bounds.
    00859
    00860     bool skip = false; // Default is to draw both pixels.
    00861     int x = pt.x - this->subscroll - 3 - dpi->left; // Offset X coordinate.
    00862     if (x < 0) {
    00863       /* if x+1 is 0, that means we're on the very left edge,
    00864        * and should thus only draw a single pixel */
    00865       if (++x != 0) continue;
    00866       skip = true;
    00867     } else if (x >= dpi->width - 1) {
    00868       /* Check if we're at the very right edge, and if so draw only a single pixel */
    00869       if (x != dpi->width - 1) continue;
    00870       skip = true;
    00871     }
    00872
    00873     /* Calculate pointer to pixel and the colour */
    00874     byte colour = (this->map_type == SMT_VEHICLES) ? _vehicle_type_colours[v->type] : PC_WHITE;
    00875
    00876     /* And draw either one or two pixels depending on clipping */
    00877     blitter->SetPixel(dpi->dst_ptr, x, y, colour);
    00878     if (!skip) blitter->SetPixel(dpi->dst_ptr, x + 1, y, colour);
    00879   }
    00880 }
    00881
    00886 void SmallMapWindow::DrawTowns(const DrawPixelInfo *dpi) const
    00887 {
    00888   const Town *t;
    00889   FOR_ALL_TOWNS(t) {
    00890     /* Remap the town coordinate */
    00891     Point pt = this->RemapTile(TileX(t->xy), TileY(t->xy));
    00892     int x = pt.x - this->subscroll - (t->cache.sign.width_small >> 1);
    00893     int y = pt.y;
    00894
    00895     /* Check if the town sign is within bounds */
    00896     if (x + t->cache.sign.width_small > dpi->left &&
    00897         x < dpi->left + dpi->width &&
    00898         y + FONT_HEIGHT_SMALL > dpi->top &&
    00899         y < dpi->top + dpi->height) {
    00900       /* And draw it. */
    00901       SetDParam(0, t->index);
    00902       DrawString(x, x + t->cache.sign.width_small, y, STR_SMALLMAP_TOWN);
    00903     }
    00904   }
    00905 }
    00906
    00910 void SmallMapWindow::DrawMapIndicators() const
    00911 {
    00912   /* Find main viewport. */
    00913   const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    00914
    00915   Point tile = InverseRemapCoords(vp->virtual_left, vp->virtual_top);
    00916   Point tl = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00917   tl.x -= this->subscroll;
    00918
    00919   tile = InverseRemapCoords(vp->virtual_left + vp->virtual_width, vp->virtual_top + vp->virtual_height);
    00920   Point br = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00921   br.x -= this->subscroll;
    00922
    00923   SmallMapWindow::DrawVertMapIndicator(tl.x, tl.y, br.y);
    00924   SmallMapWindow::DrawVertMapIndicator(br.x, tl.y, br.y);
    00925
    00926   SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, tl.y);
    00927   SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, br.y);
    00928 }
    00929
    00941 void SmallMapWindow::DrawSmallMap(DrawPixelInfo *dpi) const
    00942 {
    00943   Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
    00944   DrawPixelInfo *old_dpi;
    00945
    00946   old_dpi = _cur_dpi;
    00947   _cur_dpi = dpi;
    00948
    00949   /* Clear it */
    00950   GfxFillRect(dpi->left, dpi->top, dpi->left + dpi->width - 1, dpi->top + dpi->height - 1, PC_BLACK);
    00951
    00952   /* Which tile is displayed at (dpi->left, dpi->top)? */
    00953   int dx;
    00954   Point tile = this->PixelToTile(dpi->left, dpi->top, &dx);
    00955   int tile_x = this->scroll_x / (int)TILE_SIZE + tile.x;
    00956   int tile_y = this->scroll_y / (int)TILE_SIZE + tile.y;
    00957
    00958   void *ptr = blitter->MoveTo(dpi->dst_ptr, -dx - 4, 0);
    00959   int x = - dx - 4;
    00960   int y = 0;
    00961
    00962   for (;;) {
    00963     /* Distance from left edge */
    00964     if (x >= -3) {
    00965       if (x >= dpi->width) break; // Exit the loop.
    00966
    00967       int end_pos = min(dpi->width, x + 4);
    00968       int reps = (dpi->height - y + 1) / 2; // Number of lines.
    00969       if (reps > 0) {
    00970         this->DrawSmallMapColumn(ptr, tile_x, tile_y, dpi->pitch * 2, reps, x, end_pos, blitter);
    00971       }
    00972     }
    00973
    00974     if (y == 0) {
    00975       tile_y += this->zoom;
    00976       y++;
    00977       ptr = blitter->MoveTo(ptr, 0, 1);
    00978     } else {
    00979       tile_x -= this->zoom;
    00980       y--;
    00981       ptr = blitter->MoveTo(ptr, 0, -1);
    00982     }
    00983     ptr = blitter->MoveTo(ptr, 2, 0);
    00984     x += 2;
    00985   }
    00986
    00987   /* Draw vehicles */
    00988   if (this->map_type == SMT_CONTOUR || this->map_type == SMT_VEHICLES) this->DrawVehicles(dpi, blitter);
    00989
    00990   /* Draw link stat overlay */
    00991   if (this->map_type == SMT_LINKSTATS) this->overlay->Draw(dpi);
    00992
    00993   /* Draw town names */
    00994   if (this->show_towns) this->DrawTowns(dpi);
    00995
    00996   /* Draw map indicators */
    00997   this->DrawMapIndicators();
    00998
    00999   _cur_dpi = old_dpi;
    01000 }
    01001
    01005 void SmallMapWindow::SetupWidgetData()
    01006 {
    01007   StringID legend_tooltip;
    01008   StringID enable_all_tooltip;
    01009   StringID disable_all_tooltip;
    01010   int plane;
    01011   switch (this->map_type) {
    01012     case SMT_INDUSTRY:
    01013       legend_tooltip = STR_SMALLMAP_TOOLTIP_INDUSTRY_SELECTION;
    01014       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_INDUSTRIES;
    01015       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_INDUSTRIES;
    01016       plane = 0;
    01017       break;
    01018
    01019     case SMT_OWNER:
    01020       legend_tooltip = STR_SMALLMAP_TOOLTIP_COMPANY_SELECTION;
    01021       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_COMPANIES;
    01022       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_COMPANIES;
    01023       plane = 0;
    01024       break;
    01025
    01026     case SMT_LINKSTATS:
    01027       legend_tooltip = STR_SMALLMAP_TOOLTIP_CARGO_SELECTION;
    01028       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_CARGOS;
    01029       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_CARGOS;
    01030       plane = 0;
    01031       break;
    01032
    01033     default:
    01034       legend_tooltip = STR_NULL;
    01035       enable_all_tooltip = STR_NULL;
    01036       disable_all_tooltip = STR_NULL;
    01037       plane = 1;
    01038       break;
    01039   }
    01040
    01041   this->GetWidget<NWidgetCore>(WID_SM_LEGEND)->SetDataTip(STR_NULL, legend_tooltip);
    01042   this->GetWidget<NWidgetCore>(WID_SM_ENABLE_ALL)->SetDataTip(STR_SMALLMAP_ENABLE_ALL, enable_all_tooltip);
    01043   this->GetWidget<NWidgetCore>(WID_SM_DISABLE_ALL)->SetDataTip(STR_SMALLMAP_DISABLE_ALL, disable_all_tooltip);
    01044   this->GetWidget<NWidgetStacked>(WID_SM_SELECT_BUTTONS)->SetDisplayedPlane(plane);
    01045 }
    01046
    01047 SmallMapWindow::SmallMapWindow(const WindowDesc *desc, int window_number) :
    01048     Window(),
    01049     refresh(FORCE_REFRESH_PERIOD)
    01050 {
    01051   _smallmap_industry_highlight = INVALID_INDUSTRYTYPE;
    01052   this->overlay = new LinkGraphOverlay(this, WID_SM_MAP);
    01053   this->InitNested(desc, window_number);
    01054   this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01055
    01056   BuildLandLegend();
    01057   this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01058
    01059   this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01060
    01061   this->SetupWidgetData();
    01062
    01063   this->SetZoomLevel(ZLC_INITIALIZE, NULL);
    01064   this->SmallMapCenterOnCurrentPos();
    01065 }
    01066
    01067 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 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 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 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
    01243 inline uint SmallMapWindow::GetNumberRowsLegend(uint columns) const
    01244 {
    01245   /* reserve one column for link colours */
    01246   uint num_rows_linkstats = CeilDiv(_smallmap_cargo_count, columns - 1);
    01247   uint num_rows_others = CeilDiv(max(_smallmap_industry_count,_smallmap_company_count), columns);
    01248   return max(this->min_number_of_fixed_rows, max(num_rows_linkstats, num_rows_others));
    01249 }
    01250
    01262 void SmallMapWindow::SelectLegendItem(int click_pos, LegendAndColour *legend, int end_legend_item, int begin_legend_item)
    01263 {
    01264   if (_ctrl_pressed) {
    01265     /* Disable all, except the clicked one */
    01266     bool changes = false;
    01267     for (int i = begin_legend_item; i != end_legend_item; i++) {
    01268       bool new_state = (i == click_pos);
    01269       if (legend[i].show_on_map != new_state) {
    01270         changes = true;
    01271         legend[i].show_on_map = new_state;
    01272       }
    01273     }
    01274     if (!changes) {
    01275       /* Nothing changed? Then show all (again). */
    01276       for (int i = begin_legend_item; i != end_legend_item; i++) {
    01277         legend[i].show_on_map = true;
    01278       }
    01279     }
    01280   } else {
    01281     legend[click_pos].show_on_map = !legend[click_pos].show_on_map;
    01282   }
    01283   this->SetOverlayCargoMask();
    01284 }
    01285
    01289 void SmallMapWindow::SetOverlayCargoMask()
    01290 {
    01291   if (this->map_type == SMT_LINKSTATS) {
    01292     uint32 cargo_mask = 0;
    01293     for (int i = 0; i != _smallmap_cargo_count; ++i) {
    01294       if (_legend_linkstats[i].show_on_map) SetBit(cargo_mask, _legend_linkstats[i].type);
    01295     }
    01296     this->overlay->SetCargoMask(cargo_mask);
    01297     this->overlay->RebuildCache();
    01298   }
    01299 }
    01300
    01306 int SmallMapWindow::GetPositionOnLegend(Point pt)
    01307 {
    01308   const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_LEGEND);
    01309   uint line = (pt.y - wi->pos_y - WD_FRAMERECT_TOP) / FONT_HEIGHT_SMALL;
    01310   uint columns = this->GetNumberColumnsLegend(wi->current_x);
    01311   uint number_of_rows = this->GetNumberRowsLegend(columns);
    01312   if (line >= number_of_rows) return -1;
    01313
    01314   bool rtl = _current_text_dir == TD_RTL;
    01315   int x = pt.x - wi->pos_x;
    01316   if (rtl) x = wi->current_x - x;
    01317   uint column = (x - WD_FRAMERECT_LEFT) / this->column_width;
    01318
    01319   return (column * number_of_rows) + line;
    01320 }
    01321
    01322 void SmallMapWindow::OnMouseOver(Point pt, int widget)
    01323 {
    01324   IndustryType new_highlight = INVALID_INDUSTRYTYPE;
    01325   if (widget == WID_SM_LEGEND && this->map_type == SMT_INDUSTRY) {
    01326     int industry_pos = GetPositionOnLegend(pt);
    01327     if (industry_pos >= 0 && industry_pos < _smallmap_industry_count) {
    01328       new_highlight = _legend_from_industries[industry_pos].type;
    01329     }
    01330   }
    01331   if (new_highlight != _smallmap_industry_highlight) {
    01332     _smallmap_industry_highlight = new_highlight;
    01333     this->refresh = _smallmap_industry_highlight != INVALID_INDUSTRYTYPE ? BLINK_PERIOD : FORCE_REFRESH_PERIOD;
    01334     _smallmap_industry_highlight_state = true;
    01335     this->SetDirty();
    01336   }
    01337 }
    01338
    01343 void SmallMapWindow::SwitchMapType(SmallMapType map_type)
    01344 {
    01345   this->RaiseWidget(this->map_type + WID_SM_CONTOUR);
    01346   this->map_type = map_type;
    01347   this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01348
    01349   this->SetupWidgetData();
    01350
    01351   if (map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01352   this->SetDirty();
    01353 }
    01354
    01355 void SmallMapWindow::OnClick(Point pt, int widget, int click_count)
    01356 {
    01357   /* User clicked something, notify the industry chain window to stop sending newly selected industries. */
    01358   InvalidateWindowClassesData(WC_INDUSTRY_CARGOES, NUM_INDUSTRYTYPES);
    01359
    01360   switch (widget) {
    01361     case WID_SM_MAP: { // Map window
    01362       /*
    01363        * XXX: scrolling with the left mouse button is done by subsequently
    01364        * clicking with the left mouse button; clicking once centers the
    01365        * large map at the selected point. So by unclicking the left mouse
    01366        * button here, it gets reclicked during the next inputloop, which
    01367        * would make it look like the mouse is being dragged, while it is
    01368        * actually being (virtually) clicked every inputloop.
    01369        */
    01370       _left_button_clicked = false;
    01371
    01372       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01373       Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    01374       int sub;
    01375       pt = this->PixelToTile(pt.x - wid->pos_x, pt.y - wid->pos_y, &sub);
    01376       pt = RemapCoords(this->scroll_x + pt.x * TILE_SIZE + this->zoom * (TILE_SIZE - sub * TILE_SIZE / 4),
    01377           this->scroll_y + pt.y * TILE_SIZE + sub * this->zoom * TILE_SIZE / 4, 0);
    01378
    01379       w->viewport->follow_vehicle = INVALID_VEHICLE;
    01380       w->viewport->dest_scrollpos_x = pt.x - (w->viewport->virtual_width  >> 1);
    01381       w->viewport->dest_scrollpos_y = pt.y - (w->viewport->virtual_height >> 1);
    01382
    01383       this->SetDirty();
    01384       break;
    01385     }
    01386
    01387     case WID_SM_ZOOM_IN:
    01388     case WID_SM_ZOOM_OUT: {
    01389       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01390       Point pt = {wid->current_x / 2, wid->current_y / 2};
    01391       this->SetZoomLevel((widget == WID_SM_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01392       SndPlayFx(SND_15_BEEP);
    01393       break;
    01394     }
    01395
    01396     case WID_SM_CONTOUR:    // Show land contours
    01397     case WID_SM_VEHICLES:   // Show vehicles
    01398     case WID_SM_INDUSTRIES: // Show industries
    01399     case WID_SM_LINKSTATS:  // Show route map
    01400     case WID_SM_ROUTES:     // Show transport routes
    01401     case WID_SM_VEGETATION: // Show vegetation
    01402     case WID_SM_OWNERS:     // Show land owners
    01403       this->SwitchMapType((SmallMapType)(widget - WID_SM_CONTOUR));
    01404       SndPlayFx(SND_15_BEEP);
    01405       break;
    01406
    01407     case WID_SM_CENTERMAP: // Center the smallmap again
    01408       this->SmallMapCenterOnCurrentPos();
    01409       this->HandleButtonClick(WID_SM_CENTERMAP);
    01410       SndPlayFx(SND_15_BEEP);
    01411       break;
    01412
    01413     case WID_SM_TOGGLETOWNNAME: // Toggle town names
    01414       this->show_towns = !this->show_towns;
    01415       this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01416
    01417       this->SetDirty();
    01418       SndPlayFx(SND_15_BEEP);
    01419       break;
    01420
    01421     case WID_SM_LEGEND: // Legend
    01422       if (this->map_type == SMT_INDUSTRY || this->map_type == SMT_LINKSTATS || this->map_type == SMT_OWNER) {
    01423         int click_pos = this->GetPositionOnLegend(pt);
    01424         /* If industry type small map*/
    01425         if (this->map_type == SMT_INDUSTRY) {
    01426           /* If click on industries label, find right industry type and enable/disable it. */
    01427           if (click_pos >= 0 && click_pos < _smallmap_industry_count) {
    01428             this->SelectLegendItem(click_pos, _legend_from_industries, _smallmap_industry_count);
    01429           }
    01430         } else if (this->map_type == SMT_LINKSTATS) {
    01431           if (click_pos < _smallmap_cargo_count) {
    01432             this->SelectLegendItem(click_pos, _legend_linkstats, _smallmap_cargo_count);
    01433           }
    01434         } else if (this->map_type == SMT_OWNER) {
    01435           if (click_pos < _smallmap_company_count) {
    01436             this->SelectLegendItem(click_pos, _legend_land_owners, _smallmap_company_count, NUM_NO_COMPANY_ENTRIES);
    01437           }
    01438         }
    01439         this->SetDirty();
    01440       }
    01441       break;
    01442
    01443     case WID_SM_ENABLE_ALL:
    01444       /* FALL THROUGH */
    01445     case WID_SM_DISABLE_ALL: {
    01446       LegendAndColour *tbl = NULL;
    01447       switch (this->map_type) {
    01448         case SMT_INDUSTRY:
    01449           tbl = _legend_from_industries;
    01450           break;
    01451         case SMT_OWNER:
    01452           tbl = &(_legend_land_owners[NUM_NO_COMPANY_ENTRIES]);
    01453           break;
    01454         case SMT_LINKSTATS:
    01455           tbl = _legend_linkstats;
    01456           break;
    01457         default:
    01458           NOT_REACHED();
    01459       }
    01460       for (;!tbl->end && tbl->legend != STR_LINKGRAPH_LEGEND_UNUSED; ++tbl) {
    01461         tbl->show_on_map = (widget == WID_SM_ENABLE_ALL);
    01462       }
    01463       this->SetOverlayCargoMask();
    01464       this->SetDirty();
    01465       break;
    01466     }
    01467
    01468     case WID_SM_SHOW_HEIGHT: // Enable/disable showing of heightmap.
    01469       _smallmap_show_heightmap = !_smallmap_show_heightmap;
    01470       this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01471       this->SetDirty();
    01472       break;
    01473   }
    01474 }
    01475
    01483 void SmallMapWindow::OnInvalidateData(int data, bool gui_scope)
    01484 {
    01485   if (!gui_scope) return;
    01486   switch (data) {
    01487     case 1:
    01488       /* The owner legend has already been rebuilt. */
    01489       this->ReInit();
    01490       break;
    01491
    01492     case 0: {
    01493       extern uint64 _displayed_industries;
    01494       if (this->map_type != SMT_INDUSTRY) this->SwitchMapType(SMT_INDUSTRY);
    01495
    01496       for (int i = 0; i != _smallmap_industry_count; i++) {
    01497         _legend_from_industries[i].show_on_map = HasBit(_displayed_industries, _legend_from_industries[i].type);
    01498       }
    01499       break;
    01500     }
    01501
    01502     default: NOT_REACHED();
    01503   }
    01504   this->SetDirty();
    01505 }
    01506
    01507 bool SmallMapWindow::OnRightClick(Point pt, int widget)
    01508 {
    01509   if (widget != WID_SM_MAP || _scrolling_viewport) return false;
    01510
    01511   _scrolling_viewport = true;
    01512   return true;
    01513 }
    01514
    01515 void SmallMapWindow::OnMouseWheel(int wheel)
    01516 {
    01517   if (_settings_client.gui.scrollwheel_scrolling == 0) {
    01518     const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01519     int cursor_x = _cursor.pos.x - this->left - wid->pos_x;
    01520     int cursor_y = _cursor.pos.y - this->top  - wid->pos_y;
    01521     if (IsInsideMM(cursor_x, 0, wid->current_x) && IsInsideMM(cursor_y, 0, wid->current_y)) {
    01522       Point pt = {cursor_x, cursor_y};
    01523       this->SetZoomLevel((wheel < 0) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01524     }
    01525   }
    01526 }
    01527
    01528 void SmallMapWindow::OnTick()
    01529 {
    01530   /* Update the window every now and then */
    01531   if (--this->refresh != 0) return;
    01532
    01533   if (this->map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01534   _smallmap_industry_highlight_state = !_smallmap_industry_highlight_state;
    01535
    01536   this->refresh = _smallmap_industry_highlight != INVALID_INDUSTRYTYPE ? BLINK_PERIOD : FORCE_REFRESH_PERIOD;
    01537   this->SetDirty();
    01538 }
    01539
    01547 void SmallMapWindow::SetNewScroll(int sx, int sy, int sub)
    01548 {
    01549   const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01550   Point hv = InverseRemapCoords(wi->current_x * ZOOM_LVL_BASE * TILE_SIZE / 2, wi->current_y * ZOOM_LVL_BASE * TILE_SIZE / 2);
    01551   hv.x *= this->zoom;
    01552   hv.y *= this->zoom;
    01553
    01554   if (sx < -hv.x) {
    01555     sx = -hv.x;
    01556     sub = 0;
    01557   }
    01558   if (sx > (int)(MapMaxX() * TILE_SIZE) - hv.x) {
    01559     sx = MapMaxX() * TILE_SIZE - hv.x;
    01560     sub = 0;
    01561   }
    01562   if (sy < -hv.y) {
    01563     sy = -hv.y;
    01564     sub = 0;
    01565   }
    01566   if (sy > (int)(MapMaxY() * TILE_SIZE) - hv.y) {
    01567     sy = MapMaxY() * TILE_SIZE - hv.y;
    01568     sub = 0;
    01569   }
    01570
    01571   this->scroll_x = sx;
    01572   this->scroll_y = sy;
    01573   this->subscroll = sub;
    01574   if (this->map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01575 }
    01576
    01577 void SmallMapWindow::OnScroll(Point delta)
    01578 {
    01579   _cursor.fix_at = true;
    01580
    01581   /* While tile is at (delta.x, delta.y)? */
    01582   int sub;
    01583   Point pt = this->PixelToTile(delta.x, delta.y, &sub);
    01584   this->SetNewScroll(this->scroll_x + pt.x * TILE_SIZE, this->scroll_y + pt.y * TILE_SIZE, sub);
    01585
    01586   this->SetDirty();
    01587 }
    01588
    01589 void SmallMapWindow::SmallMapCenterOnCurrentPos()
    01590 {
    01591   const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    01592   Point pt = InverseRemapCoords(vp->virtual_left + vp->virtual_width  / 2, vp->virtual_top  + vp->virtual_height / 2);
    01593
    01594   int sub;
    01595   const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01596   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);
    01597   this->SetNewScroll(sxy.x, sxy.y, sub);
    01598   this->SetDirty();
    01599 }
    01600
    01606 Point SmallMapWindow::GetStationMiddle(const Station *st) const
    01607 {
    01608   int x = (st->rect.right + st->rect.left + 1) / 2;
    01609   int y = (st->rect.bottom + st->rect.top + 1) / 2;
    01610   Point ret = this->RemapTile(x, y);
    01611
    01612   /* Same magic 3 as in DrawVehicles; that's where I got it from.
    01613    * No idea what it is, but without it the result looks bad.
    01614    */
    01615   ret.x -= 3 + this->subscroll;
    01616   return ret;
    01617 }
    01618
    01619 SmallMapWindow::SmallMapType SmallMapWindow::map_type = SMT_CONTOUR;
    01620 bool SmallMapWindow::show_towns = true;
    01621
    01630 class NWidgetSmallmapDisplay : public NWidgetContainer {
    01631   const SmallMapWindow *smallmap_window;
    01632 public:
    01633   NWidgetSmallmapDisplay() : NWidgetContainer(NWID_VERTICAL)
    01634   {
    01635     this->smallmap_window = NULL;
    01636   }
    01637
    01638   virtual void SetupSmallestSize(Window *w, bool init_array)
    01639   {
    01640     NWidgetBase *display = this->head;
    01641     NWidgetBase *bar = display->next;
    01642
    01643     display->SetupSmallestSize(w, init_array);
    01644     bar->SetupSmallestSize(w, init_array);
    01645
    01646     this->smallmap_window = dynamic_cast<SmallMapWindow *>(w);
    01647     this->smallest_x = max(display->smallest_x, bar->smallest_x + smallmap_window->GetMinLegendWidth());
    01648     this->smallest_y = display->smallest_y + max(bar->smallest_y, smallmap_window->GetLegendHeight(smallmap_window->min_number_of_columns));
    01649     this->fill_x = max(display->fill_x, bar->fill_x);
    01650     this->fill_y = (display->fill_y == 0 && bar->fill_y == 0) ? 0 : min(display->fill_y, bar->fill_y);
    01651     this->resize_x = max(display->resize_x, bar->resize_x);
    01652     this->resize_y = min(display->resize_y, bar->resize_y);
    01653   }
    01654
    01655   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
    01656   {
    01657     this->pos_x = x;
    01658     this->pos_y = y;
    01659     this->current_x = given_width;
    01660     this->current_y = given_height;
    01661
    01662     NWidgetBase *display = this->head;
    01663     NWidgetBase *bar = display->next;
    01664
    01665     if (sizing == ST_SMALLEST) {
    01666       this->smallest_x = given_width;
    01667       this->smallest_y = given_height;
    01668       /* Make display and bar exactly equal to their minimal size. */
    01669       display->AssignSizePosition(ST_SMALLEST, x, y, display->smallest_x, display->smallest_y, rtl);
    01670       bar->AssignSizePosition(ST_SMALLEST, x, y + display->smallest_y, bar->smallest_x, bar->smallest_y, rtl);
    01671     }
    01672
    01673     uint bar_height = max(bar->smallest_y, this->smallmap_window->GetLegendHeight(this->smallmap_window->GetNumberColumnsLegend(given_width - bar->smallest_x)));
    01674     uint display_height = given_height - bar_height;
    01675     display->AssignSizePosition(ST_RESIZE, x, y, given_width, display_height, rtl);
    01676     bar->AssignSizePosition(ST_RESIZE, x, y + display_height, given_width, bar_height, rtl);
    01677   }
    01678
    01679   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
    01680   {
    01681     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
    01682     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
    01683       NWidgetCore *widget = child_wid->GetWidgetFromPos(x, y);
    01684       if (widget != NULL) return widget;
    01685     }
    01686     return NULL;
    01687   }
    01688
    01689   virtual void Draw(const Window *w)
    01690   {
    01691     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) child_wid->Draw(w);
    01692   }
    01693 };
    01694
    01696 static const NWidgetPart _nested_smallmap_display[] = {
    01697   NWidget(WWT_PANEL, COLOUR_BROWN, WID_SM_MAP_BORDER),
    01698     NWidget(WWT_INSET, COLOUR_BROWN, WID_SM_MAP), SetMinimalSize(346, 140), SetResize(1, 1), SetPadding(2, 2, 2, 2), EndContainer(),
    01699   EndContainer(),
    01700 };
    01701
    01703 static const NWidgetPart _nested_smallmap_bar[] = {
    01704   NWidget(WWT_PANEL, COLOUR_BROWN),
    01705     NWidget(NWID_HORIZONTAL),
    01706       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SM_LEGEND), SetResize(1, 1),
    01707       NWidget(NWID_VERTICAL),
    01708         /* Top button row. */
    01709         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01710           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_IN),
    01711               SetDataTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN), SetFill(1, 1),
    01712           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_CENTERMAP),
    01713               SetDataTip(SPR_IMG_SMALLMAP, STR_SMALLMAP_CENTER), SetFill(1, 1),
    01714           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_BLANK),
    01715               SetDataTip(SPR_DOT_SMALL, STR_NULL), SetFill(1, 1),
    01716           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_CONTOUR),
    01717               SetDataTip(SPR_IMG_SHOW_COUNTOURS, STR_SMALLMAP_TOOLTIP_SHOW_LAND_CONTOURS_ON_MAP), SetFill(1, 1),
    01718           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEHICLES),
    01719               SetDataTip(SPR_IMG_SHOW_VEHICLES, STR_SMALLMAP_TOOLTIP_SHOW_VEHICLES_ON_MAP), SetFill(1, 1),
    01720           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_INDUSTRIES),
    01721               SetDataTip(SPR_IMG_INDUSTRY, STR_SMALLMAP_TOOLTIP_SHOW_INDUSTRIES_ON_MAP), SetFill(1, 1),
    01722         EndContainer(),
    01723         /* Bottom button row. */
    01724         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01725           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_OUT),
    01726               SetDataTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT), SetFill(1, 1),
    01727           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_TOGGLETOWNNAME),
    01728               SetDataTip(SPR_IMG_TOWN, STR_SMALLMAP_TOOLTIP_TOGGLE_TOWN_NAMES_ON_OFF), SetFill(1, 1),
    01729           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_LINKSTATS),
    01730               SetDataTip(SPR_IMG_GRAPHS, STR_SMALLMAP_TOOLTIP_SHOW_LINK_STATS_ON_MAP), SetFill(1, 1),
    01731           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_ROUTES),
    01732               SetDataTip(SPR_IMG_SHOW_ROUTES, STR_SMALLMAP_TOOLTIP_SHOW_TRANSPORT_ROUTES_ON), SetFill(1, 1),
    01733           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEGETATION),
    01734               SetDataTip(SPR_IMG_PLANTTREES, STR_SMALLMAP_TOOLTIP_SHOW_VEGETATION_ON_MAP), SetFill(1, 1),
    01735           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_OWNERS),
    01736               SetDataTip(SPR_IMG_COMPANY_GENERAL, STR_SMALLMAP_TOOLTIP_SHOW_LAND_OWNERS_ON_MAP), SetFill(1, 1),
    01737         EndContainer(),
    01738         NWidget(NWID_SPACER), SetResize(0, 1),
    01739       EndContainer(),
    01740     EndContainer(),
    01741   EndContainer(),
    01742 };
    01743
    01744 static NWidgetBase *SmallMapDisplay(int *biggest_index)
    01745 {
    01746   NWidgetContainer *map_display = new NWidgetSmallmapDisplay;
    01747
    01748   MakeNWidgets(_nested_smallmap_display, lengthof(_nested_smallmap_display), biggest_index, map_display);
    01749   MakeNWidgets(_nested_smallmap_bar, lengthof(_nested_smallmap_bar), biggest_index, map_display);
    01750   return map_display;
    01751 }
    01752
    01753
    01754 static const NWidgetPart _nested_smallmap_widgets[] = {
    01755   NWidget(NWID_HORIZONTAL),
    01756     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01757     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_SM_CAPTION), SetDataTip(STR_SMALLMAP_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01758     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01759     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01760   EndContainer(),
    01761   NWidgetFunction(SmallMapDisplay), // Smallmap display and legend bar + image buttons.
    01762   /* Bottom button row and resize box. */
    01763   NWidget(NWID_HORIZONTAL),
    01764     NWidget(WWT_PANEL, COLOUR_BROWN),
    01765       NWidget(NWID_HORIZONTAL),
    01766         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_SM_SELECT_BUTTONS),
    01767           NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01768             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_ENABLE_ALL), SetDataTip(STR_SMALLMAP_ENABLE_ALL, STR_NULL),
    01769             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_DISABLE_ALL), SetDataTip(STR_SMALLMAP_DISABLE_ALL, STR_NULL),
    01770             NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_SM_SHOW_HEIGHT), SetDataTip(STR_SMALLMAP_SHOW_HEIGHT, STR_SMALLMAP_TOOLTIP_SHOW_HEIGHT),
    01771           EndContainer(),
    01772           NWidget(NWID_SPACER), SetFill(1, 1),
    01773         EndContainer(),
    01774         NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
    01775       EndContainer(),
    01776     EndContainer(),
    01777     NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01778   EndContainer(),
    01779 };
    01780
    01781 static const WindowDesc _smallmap_desc(
    01782   WDP_AUTO, 484, 314,
    01783   WC_SMALLMAP, WC_NONE,
    01784   0,
    01785   _nested_smallmap_widgets, lengthof(_nested_smallmap_widgets)
    01786 );
    01787
    01791 void ShowSmallMap()
    01792 {
    01793   AllocateWindowDescFront<SmallMapWindow>(&_smallmap_desc, 0);
    01794 }
    01795
    01804 bool ScrollMainWindowTo(int x, int y, int z, bool instant)
    01805 {
    01806   bool res = ScrollWindowTo(x, y, z, FindWindowById(WC_MAIN_WINDOW, 0), instant);
    01807
    01808   /* If a user scrolls to a tile (via what way what so ever) and already is on
    01809    * that tile (e.g.: pressed twice), move the smallmap to that location,
    01810    * so you directly see where you are on the smallmap. */
    01811
    01812   if (res) return res;
    01813
    01814   SmallMapWindow *w = dynamic_cast<SmallMapWindow*>(FindWindowById(WC_SMALLMAP, 0));
    01815   if (w != NULL) w->SmallMapCenterOnCurrentPos();
    01816
    01817   return res;
    01818 }