# 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 uint _company_to_list_pos[MAX_COMPANIES];
    00153
    00157 void BuildIndustriesLegend()
    00158 {
    00159   uint j = 0;
    00160
    00161   /* Add each name */
    00162   for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
    00163     IndustryType ind = _sorted_industry_types[i];
    00164     const IndustrySpec *indsp = GetIndustrySpec(ind);
    00165     if (indsp->enabled) {
    00166       _legend_from_industries[j].legend = indsp->name;
    00167       _legend_from_industries[j].colour = indsp->map_colour;
    00168       _legend_from_industries[j].type = ind;
    00169       _legend_from_industries[j].show_on_map = true;
    00170       _legend_from_industries[j].col_break = false;
    00171       _legend_from_industries[j].end = false;
    00172
    00173       /* Store widget number for this industry type. */
    00174       _industry_to_list_pos[ind] = j;
    00175       j++;
    00176     }
    00177   }
    00178   /* Terminate the list */
    00179   _legend_from_industries[j].end = true;
    00180
    00181   /* Store number of enabled industries */
    00182   _smallmap_industry_count = j;
    00183 }
    00184
    00188 void BuildLinkStatsLegend()
    00189 {
    00190   /* Clear the legend */
    00191   memset(_legend_linkstats, 0, sizeof(_legend_linkstats));
    00192
    00193   uint i = 0;
    00194   for (; i < _sorted_cargo_specs_size; ++i) {
    00195     const CargoSpec *cs = _sorted_cargo_specs[i];
    00196
    00197     _legend_linkstats[i].legend = cs->name;
    00198     _legend_linkstats[i].colour = cs->legend_colour;
    00199     _legend_linkstats[i].type = cs->Index();
    00200     _legend_linkstats[i].show_on_map = true;
    00201   }
    00202
    00203   _legend_linkstats[i].col_break = true;
    00204   _smallmap_cargo_count = i;
    00205
    00206   for (; i < _smallmap_cargo_count + lengthof(_linkstat_colours_in_legenda); ++i) {
    00207     _legend_linkstats[i].legend = STR_EMPTY;
    00208     _legend_linkstats[i].colour = LinkGraphOverlay::LINK_COLOURS[_linkstat_colours_in_legenda[i - _smallmap_cargo_count]];
    00209     _legend_linkstats[i].show_on_map = true;
    00210   }
    00211
    00212   _legend_linkstats[_smallmap_cargo_count].legend = STR_LINKGRAPH_LEGEND_UNUSED;
    00213   _legend_linkstats[i - 1].legend = STR_LINKGRAPH_LEGEND_OVERLOADED;
    00214   _legend_linkstats[(_smallmap_cargo_count + i - 1) / 2].legend = STR_LINKGRAPH_LEGEND_SATURATED;
    00215   _legend_linkstats[i].end = true;
    00216 }
    00217
    00218 static const LegendAndColour * const _legend_table[] = {
    00219   _legend_land_contours,
    00220   _legend_vehicles,
    00221   _legend_from_industries,
    00222   _legend_linkstats,
    00223   _legend_routes,
    00224   _legend_vegetation,
    00225   _legend_land_owners,
    00226 };
    00227
    00228 #define MKCOLOUR(x)         TO_LE32X(x)
    00229
    00230 #define MKCOLOUR_XXXX(x)    (MKCOLOUR(0x01010101) * (uint)(x))
    00231 #define MKCOLOUR_X0X0(x)    (MKCOLOUR(0x01000100) * (uint)(x))
    00232 #define MKCOLOUR_0X0X(x)    (MKCOLOUR(0x00010001) * (uint)(x))
    00233 #define MKCOLOUR_0XX0(x)    (MKCOLOUR(0x00010100) * (uint)(x))
    00234 #define MKCOLOUR_X00X(x)    (MKCOLOUR(0x01000001) * (uint)(x))
    00235
    00236 #define MKCOLOUR_XYXY(x, y) (MKCOLOUR_X0X0(x) | MKCOLOUR_0X0X(y))
    00237 #define MKCOLOUR_XYYX(x, y) (MKCOLOUR_X00X(x) | MKCOLOUR_0XX0(y))
    00238
    00239 #define MKCOLOUR_0000       MKCOLOUR_XXXX(0x00)
    00240 #define MKCOLOUR_0FF0       MKCOLOUR_0XX0(0xFF)
    00241 #define MKCOLOUR_F00F       MKCOLOUR_X00X(0xFF)
    00242 #define MKCOLOUR_FFFF       MKCOLOUR_XXXX(0xFF)
    00243
    00245 static const uint32 _green_map_heights[] = {
    00246   MKCOLOUR_XXXX(0x5A),
    00247   MKCOLOUR_XYXY(0x5A, 0x5B),
    00248   MKCOLOUR_XXXX(0x5B),
    00249   MKCOLOUR_XYXY(0x5B, 0x5C),
    00250   MKCOLOUR_XXXX(0x5C),
    00251   MKCOLOUR_XYXY(0x5C, 0x5D),
    00252   MKCOLOUR_XXXX(0x5D),
    00253   MKCOLOUR_XYXY(0x5D, 0x5E),
    00254   MKCOLOUR_XXXX(0x5E),
    00255   MKCOLOUR_XYXY(0x5E, 0x5F),
    00256   MKCOLOUR_XXXX(0x5F),
    00257   MKCOLOUR_XYXY(0x5F, 0x1F),
    00258   MKCOLOUR_XXXX(0x1F),
    00259   MKCOLOUR_XYXY(0x1F, 0x27),
    00260   MKCOLOUR_XXXX(0x27),
    00261   MKCOLOUR_XXXX(0x27),
    00262 };
    00263 assert_compile(lengthof(_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00264
    00266 static const uint32 _dark_green_map_heights[] = {
    00267   MKCOLOUR_XXXX(0x60),
    00268   MKCOLOUR_XYXY(0x60, 0x61),
    00269   MKCOLOUR_XXXX(0x61),
    00270   MKCOLOUR_XYXY(0x61, 0x62),
    00271   MKCOLOUR_XXXX(0x62),
    00272   MKCOLOUR_XYXY(0x62, 0x63),
    00273   MKCOLOUR_XXXX(0x63),
    00274   MKCOLOUR_XYXY(0x63, 0x64),
    00275   MKCOLOUR_XXXX(0x64),
    00276   MKCOLOUR_XYXY(0x64, 0x65),
    00277   MKCOLOUR_XXXX(0x65),
    00278   MKCOLOUR_XYXY(0x65, 0x66),
    00279   MKCOLOUR_XXXX(0x66),
    00280   MKCOLOUR_XYXY(0x66, 0x67),
    00281   MKCOLOUR_XXXX(0x67),
    00282   MKCOLOUR_XXXX(0x67),
    00283 };
    00284 assert_compile(lengthof(_dark_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00285
    00287 static const uint32 _violet_map_heights[] = {
    00288   MKCOLOUR_XXXX(0x80),
    00289   MKCOLOUR_XYXY(0x80, 0x81),
    00290   MKCOLOUR_XXXX(0x81),
    00291   MKCOLOUR_XYXY(0x81, 0x82),
    00292   MKCOLOUR_XXXX(0x82),
    00293   MKCOLOUR_XYXY(0x82, 0x83),
    00294   MKCOLOUR_XXXX(0x83),
    00295   MKCOLOUR_XYXY(0x83, 0x84),
    00296   MKCOLOUR_XXXX(0x84),
    00297   MKCOLOUR_XYXY(0x84, 0x85),
    00298   MKCOLOUR_XXXX(0x85),
    00299   MKCOLOUR_XYXY(0x85, 0x86),
    00300   MKCOLOUR_XXXX(0x86),
    00301   MKCOLOUR_XYXY(0x86, 0x87),
    00302   MKCOLOUR_XXXX(0x87),
    00303   MKCOLOUR_XXXX(0x87),
    00304 };
    00305 assert_compile(lengthof(_violet_map_heights) == MAX_TILE_HEIGHT + 1);
    00306
    00308 struct SmallMapColourScheme {
    00309   const uint32 *height_colours;
    00310   uint32 default_colour;
    00311 };
    00312
    00314 static const SmallMapColourScheme _heightmap_schemes[] = {
    00315   {_green_map_heights,      MKCOLOUR_XXXX(0x54)},
    00316   {_dark_green_map_heights, MKCOLOUR_XXXX(0x62)},
    00317   {_violet_map_heights,     MKCOLOUR_XXXX(0x82)},
    00318 };
    00319
    00323 void BuildLandLegend()
    00324 {
    00325   for (LegendAndColour *lc = _legend_land_contours; lc->legend == STR_TINY_BLACK_HEIGHT; lc++) {
    00326     lc->colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].height_colours[lc->height];
    00327   }
    00328 }
    00329
    00333 void BuildOwnerLegend()
    00334 {
    00335   _legend_land_owners[1].colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].default_colour;
    00336
    00337   int i = NUM_NO_COMPANY_ENTRIES;
    00338   const Company *c;
    00339   FOR_ALL_COMPANIES(c) {
    00340     _legend_land_owners[i].colour = _colour_gradient[c->colour][5];
    00341     _legend_land_owners[i].company = c->index;
    00342     _legend_land_owners[i].show_on_map = true;
    00343     _legend_land_owners[i].col_break = false;
    00344     _legend_land_owners[i].end = false;
    00345     _company_to_list_pos[c->index] = i;
    00346     i++;
    00347   }
    00348
    00349   /* Terminate the list */
    00350   _legend_land_owners[i].end = true;
    00351
    00352   /* Store maximum amount of owner legend entries. */
    00353   _smallmap_company_count = i;
    00354 }
    00355
    00356 struct AndOr {
    00357   uint32 mor;
    00358   uint32 mand;
    00359 };
    00360
    00361 static inline uint32 ApplyMask(uint32 colour, const AndOr *mask)
    00362 {
    00363   return (colour & mask->mand) | mask->mor;
    00364 }
    00365
    00366
    00368 static const AndOr _smallmap_contours_andor[] = {
    00369   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00370   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F}, // MP_RAILWAY
    00371   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00372   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00373   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00374   {MKCOLOUR_XXXX(PC_LIGHT_BLUE), MKCOLOUR_0000}, // MP_STATION
    00375   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00376   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00377   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00378   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00379   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00380   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F},
    00381 };
    00382
    00384 static const AndOr _smallmap_vehicles_andor[] = {
    00385   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00386   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_RAILWAY
    00387   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00388   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00389   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00390   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_STATION
    00391   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00392   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00393   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00394   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00395   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00396   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F},
    00397 };
    00398
    00400 static const byte _tiletype_importance[] = {
    00401   2, // MP_CLEAR
    00402   8, // MP_RAILWAY
    00403   7, // MP_ROAD
    00404   5, // MP_HOUSE
    00405   2, // MP_TREES
    00406   9, // MP_STATION
    00407   2, // MP_WATER
    00408   1, // MP_VOID
    00409   6, // MP_INDUSTRY
    00410   8, // MP_TUNNELBRIDGE
    00411   2, // MP_OBJECT
    00412   0,
    00413 };
    00414
    00415
    00416 static inline TileType GetEffectiveTileType(TileIndex tile)
    00417 {
    00418   TileType t = GetTileType(tile);
    00419
    00420   if (t == MP_TUNNELBRIDGE) {
    00421     TransportType tt = GetTunnelBridgeTransportType(tile);
    00422
    00423     switch (tt) {
    00424       case TRANSPORT_RAIL: t = MP_RAILWAY; break;
    00425       case TRANSPORT_ROAD: t = MP_ROAD;    break;
    00426       default:             t = MP_WATER;   break;
    00427     }
    00428   }
    00429   return t;
    00430 }
    00431
    00438 static inline uint32 GetSmallMapContoursPixels(TileIndex tile, TileType t)
    00439 {
    00440   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00441   return ApplyMask(cs->height_colours[TileHeight(tile)], &_smallmap_contours_andor[t]);
    00442 }
    00443
    00451 static inline uint32 GetSmallMapVehiclesPixels(TileIndex tile, TileType t)
    00452 {
    00453   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00454   return ApplyMask(cs->default_colour, &_smallmap_vehicles_andor[t]);
    00455 }
    00456
    00464 static inline uint32 GetSmallMapIndustriesPixels(TileIndex tile, TileType t)
    00465 {
    00466   if (t == MP_INDUSTRY) {
    00467     /* If industry is allowed to be seen, use its colour on the map */
    00468     if (_legend_from_industries[_industry_to_list_pos[Industry::GetByTile(tile)->type]].show_on_map) {
    00469       return GetIndustrySpec(Industry::GetByTile(tile)->type)->map_colour * 0x01010101;
    00470     } else {
    00471       /* Otherwise, return the colour which will make it disappear */
    00472       t = (IsTileOnWater(tile) ? MP_WATER : MP_CLEAR);
    00473     }
    00474   }
    00475
    00476   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00477   return ApplyMask(_smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour, &_smallmap_vehicles_andor[t]);
    00478 }
    00479
    00487 static inline uint32 GetSmallMapRoutesPixels(TileIndex tile, TileType t)
    00488 {
    00489   if (t == MP_STATION) {
    00490     switch (GetStationType(tile)) {
    00491       case STATION_RAIL:    return MKCOLOUR_XXXX(PC_VERY_DARK_BROWN);
    00492       case STATION_AIRPORT: return MKCOLOUR_XXXX(PC_RED);
    00493       case STATION_TRUCK:   return MKCOLOUR_XXXX(PC_ORANGE);
    00494       case STATION_BUS:     return MKCOLOUR_XXXX(PC_YELLOW);
    00495       case STATION_DOCK:    return MKCOLOUR_XXXX(PC_LIGHT_BLUE);
    00496       default:              return MKCOLOUR_FFFF;
    00497     }
    00498   } else if (t == MP_RAILWAY) {
    00499     AndOr andor = {
    00500       MKCOLOUR_0XX0(GetRailTypeInfo(GetRailType(tile))->map_colour),
    00501       _smallmap_contours_andor[t].mand
    00502     };
    00503
    00504     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00505     return ApplyMask(cs->default_colour, &andor);
    00506   }
    00507
    00508   /* Ground colour */
    00509   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00510   return ApplyMask(cs->default_colour, &_smallmap_contours_andor[t]);
    00511 }
    00512
    00520 static inline uint32 GetSmallMapLinkStatsPixels(TileIndex tile, TileType t)
    00521 {
    00522   return _smallmap_show_heightmap ? GetSmallMapContoursPixels(tile, t) : GetSmallMapRoutesPixels(tile, t);
    00523 }
    00524
    00525 static const uint32 _vegetation_clear_bits[] = {
    00526   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00527   MKCOLOUR_XXXX(PC_ROUGH_LAND),
    00528   MKCOLOUR_XXXX(PC_GREY),
    00529   MKCOLOUR_XXXX(PC_FIELDS),
    00530   MKCOLOUR_XXXX(PC_LIGHT_BLUE),
    00531   MKCOLOUR_XXXX(PC_ORANGE),
    00532   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00533   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00534 };
    00535
    00543 static inline uint32 GetSmallMapVegetationPixels(TileIndex tile, TileType t)
    00544 {
    00545   switch (t) {
    00546     case MP_CLEAR:
    00547       return (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) < 3) ? MKCOLOUR_XXXX(PC_BARE_LAND) : _vegetation_clear_bits[GetClearGround(tile)];
    00548
    00549     case MP_INDUSTRY:
    00550       return IsTileForestIndustry(tile) ? MKCOLOUR_XXXX(PC_GREEN) : MKCOLOUR_XXXX(PC_DARK_RED);
    00551
    00552     case MP_TREES:
    00553       if (GetTreeGround(tile) == TREE_GROUND_SNOW_DESERT || GetTreeGround(tile) == TREE_GROUND_ROUGH_SNOW) {
    00554         return (_settings_game.game_creation.landscape == LT_ARCTIC) ? MKCOLOUR_XYYX(PC_LIGHT_BLUE, PC_TREES) : MKCOLOUR_XYYX(PC_ORANGE, PC_TREES);
    00555       }
    00556       return MKCOLOUR_XYYX(PC_GRASS_LAND, PC_TREES);
    00557
    00558     default:
    00559       return ApplyMask(MKCOLOUR_XXXX(PC_GRASS_LAND), &_smallmap_vehicles_andor[t]);
    00560   }
    00561 }
    00562
    00570 static inline uint32 GetSmallMapOwnerPixels(TileIndex tile, TileType t)
    00571 {
    00572   Owner o;
    00573
    00574   switch (t) {
    00575     case MP_INDUSTRY: return MKCOLOUR_XXXX(PC_DARK_GREY);
    00576     case MP_HOUSE:    return MKCOLOUR_XXXX(PC_DARK_RED);
    00577     default:          o = GetTileOwner(tile); break;
    00578     /* FIXME: For MP_ROAD there are multiple owners.
    00579      * GetTileOwner returns the rail owner (level crossing) resp. the owner of ROADTYPE_ROAD (normal road),
    00580      * even if there are no ROADTYPE_ROAD bits on the tile.
    00581      */
    00582   }
    00583
    00584   if ((o < MAX_COMPANIES && !_legend_land_owners[_company_to_list_pos[o]].show_on_map) || o == OWNER_NONE || o == OWNER_WATER) {
    00585     if (t == MP_WATER) return MKCOLOUR_XXXX(PC_WATER);
    00586     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00587     return _smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour;
    00588   } else if (o == OWNER_TOWN) {
    00589     return MKCOLOUR_XXXX(PC_DARK_RED);
    00590   }
    00591
    00592   return MKCOLOUR_XXXX(_legend_land_owners[_company_to_list_pos[o]].colour);
    00593 }
    00594
    00596 static const byte _vehicle_type_colours[6] = {
    00597   PC_RED, PC_YELLOW, PC_LIGHT_BLUE, PC_WHITE, PC_BLACK, PC_RED
    00598 };
    00599
    00600 inline Point SmallMapWindow::SmallmapRemapCoords(int x, int y) const
    00601 {
    00602   Point pt;
    00603   pt.x = (y - x) * 2;
    00604   pt.y = y + x;
    00605   return pt;
    00606 }
    00607
    00614 inline Point SmallMapWindow::RemapTile(int tile_x, int tile_y) const
    00615 {
    00616   int x_offset = tile_x - this->scroll_x / (int)TILE_SIZE;
    00617   int y_offset = tile_y - this->scroll_y / (int)TILE_SIZE;
    00618
    00619   if (this->zoom == 1) return SmallmapRemapCoords(x_offset, y_offset);
    00620
    00621   /* For negative offsets, round towards -inf. */
    00622   if (x_offset < 0) x_offset -= this->zoom - 1;
    00623   if (y_offset < 0) y_offset -= this->zoom - 1;
    00624
    00625   return SmallmapRemapCoords(x_offset / this->zoom, y_offset / this->zoom);
    00626 }
    00627
    00638 inline Point SmallMapWindow::PixelToTile(int px, int py, int *sub, bool add_sub) const
    00639 {
    00640   if (add_sub) px += this->subscroll;  // Total horizontal offset.
    00641
    00642   /* For each two rows down, add a x and a y tile, and
    00643    * For each four pixels to the right, move a tile to the right. */
    00644   Point pt = {((py >> 1) - (px >> 2)) * this->zoom, ((py >> 1) + (px >> 2)) * this->zoom};
    00645   px &= 3;
    00646
    00647   if (py & 1) { // Odd number of rows, handle the 2 pixel shift.
    00648     if (px < 2) {
    00649       pt.x += this->zoom;
    00650       px += 2;
    00651     } else {
    00652       pt.y += this->zoom;
    00653       px -= 2;
    00654     }
    00655   }
    00656
    00657   *sub = px;
    00658   return pt;
    00659 }
    00660
    00670 Point SmallMapWindow::ComputeScroll(int tx, int ty, int x, int y, int *sub)
    00671 {
    00672   assert(x >= 0 && y >= 0);
    00673
    00674   int new_sub;
    00675   Point tile_xy = PixelToTile(x, y, &new_sub, false);
    00676   tx -= tile_xy.x;
    00677   ty -= tile_xy.y;
    00678
    00679   Point scroll;
    00680   if (new_sub == 0) {
    00681     *sub = 0;
    00682     scroll.x = (tx + this->zoom) * TILE_SIZE;
    00683     scroll.y = (ty - this->zoom) * TILE_SIZE;
    00684   } else {
    00685     *sub = 4 - new_sub;
    00686     scroll.x = (tx + 2 * this->zoom) * TILE_SIZE;
    00687     scroll.y = (ty - 2 * this->zoom) * TILE_SIZE;
    00688   }
    00689   return scroll;
    00690 }
    00691
    00698 void SmallMapWindow::SetZoomLevel(ZoomLevelChange change, const Point *zoom_pt)
    00699 {
    00700   static const int zoomlevels[] = {1, 2, 4, 6, 8}; // Available zoom levels. Bigger number means more zoom-out (further away).
    00701   static const int MIN_ZOOM_INDEX = 0;
    00702   static const int MAX_ZOOM_INDEX = lengthof(zoomlevels) - 1;
    00703
    00704   int new_index, cur_index, sub;
    00705   Point tile;
    00706   switch (change) {
    00707     case ZLC_INITIALIZE:
    00708       cur_index = - 1; // Definitely different from new_index.
    00709       new_index = MIN_ZOOM_INDEX;
    00710       break;
    00711
    00712     case ZLC_ZOOM_IN:
    00713     case ZLC_ZOOM_OUT:
    00714       for (cur_index = MIN_ZOOM_INDEX; cur_index <= MAX_ZOOM_INDEX; cur_index++) {
    00715         if (this->zoom == zoomlevels[cur_index]) break;
    00716       }
    00717       assert(cur_index <= MAX_ZOOM_INDEX);
    00718
    00719       tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00720       new_index = Clamp(cur_index + ((change == ZLC_ZOOM_IN) ? -1 : 1), MIN_ZOOM_INDEX, MAX_ZOOM_INDEX);
    00721       break;
    00722
    00723     default: NOT_REACHED();
    00724   }
    00725
    00726   if (new_index != cur_index) {
    00727     this->zoom = zoomlevels[new_index];
    00728     if (cur_index >= 0) {
    00729       Point new_tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00730       this->SetNewScroll(this->scroll_x + (tile.x - new_tile.x) * TILE_SIZE,
    00731           this->scroll_y + (tile.y - new_tile.y) * TILE_SIZE, sub);
    00732     } else if (this->map_type == SMT_LINKSTATS) {
    00733       this->overlay->RebuildCache();
    00734     }
    00735     this->SetWidgetDisabledState(WID_SM_ZOOM_IN,  this->zoom == zoomlevels[MIN_ZOOM_INDEX]);
    00736     this->SetWidgetDisabledState(WID_SM_ZOOM_OUT, this->zoom == zoomlevels[MAX_ZOOM_INDEX]);
    00737     this->SetDirty();
    00738   }
    00739 }
    00740
    00746 inline uint32 SmallMapWindow::GetTileColours(const TileArea &ta) const
    00747 {
    00748   int importance = 0;
    00749   TileIndex tile = INVALID_TILE; // Position of the most important tile.
    00750   TileType et = MP_VOID;         // Effective tile type at that position.
    00751
    00752   TILE_AREA_LOOP(ti, ta) {
    00753     TileType ttype = GetEffectiveTileType(ti);
    00754     if (_tiletype_importance[ttype] > importance) {
    00755       importance = _tiletype_importance[ttype];
    00756       tile = ti;
    00757       et = ttype;
    00758     }
    00759   }
    00760
    00761   switch (this->map_type) {
    00762     case SMT_CONTOUR:
    00763       return GetSmallMapContoursPixels(tile, et);
    00764
    00765     case SMT_VEHICLES:
    00766       return GetSmallMapVehiclesPixels(tile, et);
    00767
    00768     case SMT_INDUSTRY:
    00769       return GetSmallMapIndustriesPixels(tile, et);
    00770
    00771     case SMT_LINKSTATS:
    00772       return GetSmallMapLinkStatsPixels(tile, et);
    00773
    00774     case SMT_ROUTES:
    00775       return GetSmallMapRoutesPixels(tile, et);
    00776
    00777     case SMT_VEGETATION:
    00778       return GetSmallMapVegetationPixels(tile, et);
    00779
    00780     case SMT_OWNER:
    00781       return GetSmallMapOwnerPixels(tile, et);
    00782
    00783     default: NOT_REACHED();
    00784   }
    00785 }
    00786
    00801 void SmallMapWindow::DrawSmallMapColumn(void *dst, uint xc, uint yc, int pitch, int reps, int start_pos, int end_pos, Blitter *blitter) const
    00802 {
    00803   void *dst_ptr_abs_end = blitter->MoveTo(_screen.dst_ptr, 0, _screen.height);
    00804   uint min_xy = _settings_game.construction.freeform_edges ? 1 : 0;
    00805
    00806   do {
    00807     /* Check if the tile (xc,yc) is within the map range */
    00808     if (xc >= MapMaxX() || yc >= MapMaxY()) continue;
    00809
    00810     /* Check if the dst pointer points to a pixel inside the screen buffer */
    00811     if (dst < _screen.dst_ptr) continue;
    00812     if (dst >= dst_ptr_abs_end) continue;
    00813
    00814     /* Construct tilearea covered by (xc, yc, xc + this->zoom, yc + this->zoom) such that it is within min_xy limits. */
    00815     TileArea ta;
    00816     if (min_xy == 1 && (xc == 0 || yc == 0)) {
    00817       if (this->zoom == 1) continue; // The tile area is empty, don't draw anything.
    00818
    00819       ta = TileArea(TileXY(max(min_xy, xc), max(min_xy, yc)), this->zoom - (xc == 0), this->zoom - (yc == 0));
    00820     } else {
    00821       ta = TileArea(TileXY(xc, yc), this->zoom, this->zoom);
    00822     }
    00823     ta.ClampToMap(); // Clamp to map boundaries (may contain MP_VOID tiles!).
    00824
    00825     uint32 val = this->GetTileColours(ta);
    00826     uint8 *val8 = (uint8 *)&val;
    00827     int idx = max(0, -start_pos);
    00828     for (int pos = max(0, start_pos); pos < end_pos; pos++) {
    00829       blitter->SetPixel(dst, idx, 0, val8[idx]);
    00830       idx++;
    00831     }
    00832   /* Switch to next tile in the column */
    00833   } while (xc += this->zoom, yc += this->zoom, dst = blitter->MoveTo(dst, pitch, 0), --reps != 0);
    00834 }
    00835
    00841 void SmallMapWindow::DrawVehicles(const DrawPixelInfo *dpi, Blitter *blitter) const
    00842 {
    00843   const Vehicle *v;
    00844   FOR_ALL_VEHICLES(v) {
    00845     if (v->type == VEH_EFFECT) continue;
    00846     if (v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) continue;
    00847
    00848     /* Remap into flat coordinates. */
    00849     Point pt = this->RemapTile(v->x_pos / TILE_SIZE, v->y_pos / TILE_SIZE);
    00850
    00851     int y = pt.y - dpi->top;
    00852     if (!IsInsideMM(y, 0, dpi->height)) continue; // y is out of bounds.
    00853
    00854     bool skip = false; // Default is to draw both pixels.
    00855     int x = pt.x - this->subscroll - 3 - dpi->left; // Offset X coordinate.
    00856     if (x < 0) {
    00857       /* if x+1 is 0, that means we're on the very left edge,
    00858        * and should thus only draw a single pixel */
    00859       if (++x != 0) continue;
    00860       skip = true;
    00861     } else if (x >= dpi->width - 1) {
    00862       /* Check if we're at the very right edge, and if so draw only a single pixel */
    00863       if (x != dpi->width - 1) continue;
    00864       skip = true;
    00865     }
    00866
    00867     /* Calculate pointer to pixel and the colour */
    00868     byte colour = (this->map_type == SMT_VEHICLES) ? _vehicle_type_colours[v->type] : PC_WHITE;
    00869
    00870     /* And draw either one or two pixels depending on clipping */
    00871     blitter->SetPixel(dpi->dst_ptr, x, y, colour);
    00872     if (!skip) blitter->SetPixel(dpi->dst_ptr, x + 1, y, colour);
    00873   }
    00874 }
    00875
    00880 void SmallMapWindow::DrawTowns(const DrawPixelInfo *dpi) const
    00881 {
    00882   const Town *t;
    00883   FOR_ALL_TOWNS(t) {
    00884     /* Remap the town coordinate */
    00885     Point pt = this->RemapTile(TileX(t->xy), TileY(t->xy));
    00886     int x = pt.x - this->subscroll - (t->sign.width_small >> 1);
    00887     int y = pt.y;
    00888
    00889     /* Check if the town sign is within bounds */
    00890     if (x + t->sign.width_small > dpi->left &&
    00891         x < dpi->left + dpi->width &&
    00892         y + FONT_HEIGHT_SMALL > dpi->top &&
    00893         y < dpi->top + dpi->height) {
    00894       /* And draw it. */
    00895       SetDParam(0, t->index);
    00896       DrawString(x, x + t->sign.width_small, y, STR_SMALLMAP_TOWN);
    00897     }
    00898   }
    00899 }
    00900
    00904 void SmallMapWindow::DrawMapIndicators() const
    00905 {
    00906   /* Find main viewport. */
    00907   const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    00908
    00909   Point tile = InverseRemapCoords(vp->virtual_left, vp->virtual_top);
    00910   Point tl = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00911   tl.x -= this->subscroll;
    00912
    00913   tile = InverseRemapCoords(vp->virtual_left + vp->virtual_width, vp->virtual_top + vp->virtual_height);
    00914   Point br = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00915   br.x -= this->subscroll;
    00916
    00917   SmallMapWindow::DrawVertMapIndicator(tl.x, tl.y, br.y);
    00918   SmallMapWindow::DrawVertMapIndicator(br.x, tl.y, br.y);
    00919
    00920   SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, tl.y);
    00921   SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, br.y);
    00922 }
    00923
    00935 void SmallMapWindow::DrawSmallMap(DrawPixelInfo *dpi) const
    00936 {
    00937   Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
    00938   DrawPixelInfo *old_dpi;
    00939
    00940   old_dpi = _cur_dpi;
    00941   _cur_dpi = dpi;
    00942
    00943   /* Clear it */
    00944   GfxFillRect(dpi->left, dpi->top, dpi->left + dpi->width - 1, dpi->top + dpi->height - 1, PC_BLACK);
    00945
    00946   /* Which tile is displayed at (dpi->left, dpi->top)? */
    00947   int dx;
    00948   Point tile = this->PixelToTile(dpi->left, dpi->top, &dx);
    00949   int tile_x = this->scroll_x / (int)TILE_SIZE + tile.x;
    00950   int tile_y = this->scroll_y / (int)TILE_SIZE + tile.y;
    00951
    00952   void *ptr = blitter->MoveTo(dpi->dst_ptr, -dx - 4, 0);
    00953   int x = - dx - 4;
    00954   int y = 0;
    00955
    00956   for (;;) {
    00957     /* Distance from left edge */
    00958     if (x >= -3) {
    00959       if (x >= dpi->width) break; // Exit the loop.
    00960
    00961       int end_pos = min(dpi->width, x + 4);
    00962       int reps = (dpi->height - y + 1) / 2; // Number of lines.
    00963       if (reps > 0) {
    00964         this->DrawSmallMapColumn(ptr, tile_x, tile_y, dpi->pitch * 2, reps, x, end_pos, blitter);
    00965       }
    00966     }
    00967
    00968     if (y == 0) {
    00969       tile_y += this->zoom;
    00970       y++;
    00971       ptr = blitter->MoveTo(ptr, 0, 1);
    00972     } else {
    00973       tile_x -= this->zoom;
    00974       y--;
    00975       ptr = blitter->MoveTo(ptr, 0, -1);
    00976     }
    00977     ptr = blitter->MoveTo(ptr, 2, 0);
    00978     x += 2;
    00979   }
    00980
    00981   /* Draw vehicles */
    00982   if (this->map_type == SMT_CONTOUR || this->map_type == SMT_VEHICLES) this->DrawVehicles(dpi, blitter);
    00983
    00984   /* Draw link stat overlay */
    00985   if (this->map_type == SMT_LINKSTATS) this->overlay->Draw(dpi);
    00986
    00987   /* Draw town names */
    00988   if (this->show_towns) this->DrawTowns(dpi);
    00989
    00990   /* Draw map indicators */
    00991   this->DrawMapIndicators();
    00992
    00993   _cur_dpi = old_dpi;
    00994 }
    00995
    00999 void SmallMapWindow::SetupWidgetData()
    01000 {
    01001   StringID legend_tooltip;
    01002   StringID enable_all_tooltip;
    01003   StringID disable_all_tooltip;
    01004   int plane;
    01005   switch (this->map_type) {
    01006     case SMT_INDUSTRY:
    01007       legend_tooltip = STR_SMALLMAP_TOOLTIP_INDUSTRY_SELECTION;
    01008       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_INDUSTRIES;
    01009       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_INDUSTRIES;
    01010       plane = 0;
    01011       break;
    01012
    01013     case SMT_OWNER:
    01014       legend_tooltip = STR_SMALLMAP_TOOLTIP_COMPANY_SELECTION;
    01015       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_COMPANIES;
    01016       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_COMPANIES;
    01017       plane = 0;
    01018       break;
    01019
    01020     case SMT_LINKSTATS:
    01021       legend_tooltip = STR_SMALLMAP_TOOLTIP_CARGO_SELECTION;
    01022       enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_CARGOS;
    01023       disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_CARGOS;
    01024       plane = 0;
    01025       break;
    01026
    01027     default:
    01028       legend_tooltip = STR_NULL;
    01029       enable_all_tooltip = STR_NULL;
    01030       disable_all_tooltip = STR_NULL;
    01031       plane = 1;
    01032       break;
    01033   }
    01034
    01035   this->GetWidget<NWidgetCore>(WID_SM_LEGEND)->SetDataTip(STR_NULL, legend_tooltip);
    01036   this->GetWidget<NWidgetCore>(WID_SM_ENABLE_ALL)->SetDataTip(STR_SMALLMAP_ENABLE_ALL, enable_all_tooltip);
    01037   this->GetWidget<NWidgetCore>(WID_SM_DISABLE_ALL)->SetDataTip(STR_SMALLMAP_DISABLE_ALL, disable_all_tooltip);
    01038   this->GetWidget<NWidgetStacked>(WID_SM_SELECT_BUTTONS)->SetDisplayedPlane(plane);
    01039 }
    01040
    01041 SmallMapWindow::SmallMapWindow(const WindowDesc *desc, int window_number) :
    01042     Window(),
    01043     refresh(FORCE_REFRESH_PERIOD)
    01044 {
    01045   this->overlay = new LinkGraphOverlay(this, WID_SM_MAP);
    01046   this->InitNested(desc, window_number);
    01047   this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01048
    01049   BuildLandLegend();
    01050   this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01051
    01052   this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01053
    01054   this->SetupWidgetData();
    01055
    01056   this->SetZoomLevel(ZLC_INITIALIZE, NULL);
    01057   this->SmallMapCenterOnCurrentPos();
    01058 }
    01059
    01060 void SmallMapWindow::SetStringParameters(int widget) const
    01061 {
    01062   switch (widget) {
    01063     case WID_SM_CAPTION:
    01064       SetDParam(0, STR_SMALLMAP_TYPE_CONTOURS + this->map_type);
    01065       break;
    01066   }
    01067 }
    01068
    01069 void SmallMapWindow::OnInit()
    01070 {
    01071   uint min_width = 0;
    01072   this->min_number_of_columns = INDUSTRY_MIN_NUMBER_OF_COLUMNS;
    01073   this->min_number_of_fixed_rows = lengthof(_linkstat_colours_in_legenda);
    01074   for (uint i = 0; i < lengthof(_legend_table); i++) {
    01075     uint height = 0;
    01076     uint num_columns = 1;
    01077     for (const LegendAndColour *tbl = _legend_table[i]; !tbl->end; ++tbl) {
    01078       StringID str;
    01079       if (i == SMT_INDUSTRY) {
    01080         SetDParam(0, tbl->legend);
    01081         SetDParam(1, IndustryPool::MAX_SIZE);
    01082         str = STR_SMALLMAP_INDUSTRY;
    01083       } else if (i == SMT_LINKSTATS) {
    01084         SetDParam(0, tbl->legend);
    01085         str = STR_SMALLMAP_LINKSTATS;
    01086       } else if (i == SMT_OWNER) {
    01087         if (tbl->company != INVALID_COMPANY) {
    01088           if (!Company::IsValidID(tbl->company)) {
    01089             /* Rebuild the owner legend. */
    01090             BuildOwnerLegend();
    01091             this->OnInit();
    01092             return;
    01093           }
    01094           /* Non-fixed legend entries for the owner view. */
    01095           SetDParam(0, tbl->company);
    01096           str = STR_SMALLMAP_COMPANY;
    01097         } else {
    01098           str = tbl->legend;
    01099         }
    01100       } else {
    01101         if (tbl->col_break) {
    01102           this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01103           height = 0;
    01104           num_columns++;
    01105         }
    01106         height++;
    01107         str = tbl->legend;
    01108       }
    01109       min_width = max(GetStringBoundingBox(str).width, min_width);
    01110     }
    01111     this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01112     this->min_number_of_columns = max(this->min_number_of_columns, num_columns);
    01113   }
    01114
    01115   /* The width of a column is the minimum width of all texts + the size of the blob + some spacing */
    01116   this->column_width = min_width + LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01117 }
    01118
    01119 void SmallMapWindow::OnPaint()
    01120 {
    01121   if (this->map_type == SMT_OWNER) {
    01122     for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01123       if (tbl->company != INVALID_COMPANY && !Company::IsValidID(tbl->company)) {
    01124         /* Rebuild the owner legend. */
    01125         BuildOwnerLegend();
    01126         this->InvalidateData(1);
    01127         break;
    01128       }
    01129     }
    01130   }
    01131
    01132   this->DrawWidgets();
    01133 }
    01134
    01135 void SmallMapWindow::DrawWidget(const Rect &r, int widget) const
    01136 {
    01137   switch (widget) {
    01138     case WID_SM_MAP: {
    01139       DrawPixelInfo new_dpi;
    01140       if (!FillDrawPixelInfo(&new_dpi, r.left + 1, r.top + 1, r.right - r.left - 1, r.bottom - r.top - 1)) return;
    01141       this->DrawSmallMap(&new_dpi);
    01142       break;
    01143     }
    01144
    01145     case WID_SM_LEGEND: {
    01146       uint columns = this->GetNumberColumnsLegend(r.right - r.left + 1);
    01147       uint number_of_rows = this->GetNumberRowsLegend(columns);
    01148       bool rtl = _current_text_dir == TD_RTL;
    01149       uint y_org = r.top + WD_FRAMERECT_TOP;
    01150       uint x = rtl ? r.right - this->column_width - WD_FRAMERECT_RIGHT : r.left + WD_FRAMERECT_LEFT;
    01151       uint y = y_org;
    01152       uint i = 0; // Row counter for industry legend.
    01153       uint row_height = FONT_HEIGHT_SMALL;
    01154
    01155       uint text_left  = rtl ? 0 : LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT;
    01156       uint text_right = this->column_width - 1 - (rtl ? LEGEND_BLOB_WIDTH + WD_FRAMERECT_RIGHT : 0);
    01157       uint blob_left  = rtl ? this->column_width - 1 - LEGEND_BLOB_WIDTH : 0;
    01158       uint blob_right = rtl ? this->column_width - 1 : LEGEND_BLOB_WIDTH;
    01159
    01160       StringID string = STR_NULL;
    01161       switch (this->map_type) {
    01162         case SMT_INDUSTRY:
    01163           string = STR_SMALLMAP_INDUSTRY;
    01164           break;
    01165         case SMT_LINKSTATS:
    01166           string = STR_SMALLMAP_LINKSTATS;
    01167           break;
    01168         case SMT_OWNER:
    01169           string = STR_SMALLMAP_COMPANY;
    01170           break;
    01171         default:
    01172           break;
    01173       }
    01174
    01175       for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01176         if (tbl->col_break || ((this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER || this->map_type == SMT_LINKSTATS) && i++ >= number_of_rows)) {
    01177           /* Column break needed, continue at top, COLUMN_WIDTH pixels
    01178            * (one "row") to the right. */
    01179           x += rtl ? -(int)this->column_width : this->column_width;
    01180           y = y_org;
    01181           i = 1;
    01182         }
    01183
    01184         switch (this->map_type) {
    01185           case SMT_INDUSTRY:
    01186             /* Industry name must be formatted, since it's not in tiny font in the specs.
    01187              * So, draw with a parameter and use the STR_SMALLMAP_INDUSTRY string, which is tiny font */
    01188             SetDParam(0, tbl->legend);
    01189             SetDParam(1, Industry::GetIndustryTypeCount(tbl->type));
    01190             /* FALL THROUGH */
    01191           case SMT_LINKSTATS:
    01192             SetDParam(0, tbl->legend);
    01193             /* FALL_THROUGH */
    01194           case SMT_OWNER:
    01195             if (this->map_type != SMT_OWNER || tbl->company != INVALID_COMPANY) {
    01196               if (this->map_type == SMT_OWNER) SetDParam(0, tbl->company);
    01197               if (!tbl->show_on_map) {
    01198                 /* Simply draw the string, not the black border of the legend colour.
    01199                  * This will enforce the idea of the disabled item */
    01200                 DrawString(x + text_left, x + text_right, y, string, TC_GREY);
    01201               } else {
    01202                 DrawString(x + text_left, x + text_right, y, string, TC_BLACK);
    01203                 GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK); // Outer border of the legend colour
    01204               }
    01205               break;
    01206             }
    01207             /* FALL_THROUGH */
    01208           default:
    01209             if (this->map_type == SMT_CONTOUR) SetDParam(0, tbl->height * TILE_HEIGHT_STEP);
    01210             /* Anything that is not an industry or a company is using normal process */
    01211             GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK);
    01212             DrawString(x + text_left, x + text_right, y, tbl->legend);
    01213             break;
    01214         }
    01215
    01216         GfxFillRect(x + blob_left + 1, y + 2, x + blob_right - 1, y + row_height - 2, tbl->colour); // Legend colour
    01217
    01218         y += row_height;
    01219       }
    01220     }
    01221   }
    01222 }
    01223
    01232 inline uint SmallMapWindow::GetNumberRowsLegend(uint columns) const
    01233 {
    01234   /* reserve one column for link colours */
    01235   uint num_rows_linkstats = CeilDiv(_smallmap_cargo_count, columns - 1);
    01236   uint num_rows_others = CeilDiv(max(_smallmap_industry_count,_smallmap_company_count), columns);
    01237   return max(this->min_number_of_fixed_rows, max(num_rows_linkstats, num_rows_others));
    01238 }
    01239
    01251 void SmallMapWindow::SelectLegendItem(int click_pos, LegendAndColour *legend, int end_legend_item, int begin_legend_item)
    01252 {
    01253   if (_ctrl_pressed) {
    01254     /* Disable all, except the clicked one */
    01255     bool changes = false;
    01256     for (int i = begin_legend_item; i != end_legend_item; i++) {
    01257       bool new_state = (i == click_pos);
    01258       if (legend[i].show_on_map != new_state) {
    01259         changes = true;
    01260         legend[i].show_on_map = new_state;
    01261       }
    01262     }
    01263     if (!changes) {
    01264       /* Nothing changed? Then show all (again). */
    01265       for (int i = begin_legend_item; i != end_legend_item; i++) {
    01266         legend[i].show_on_map = true;
    01267       }
    01268     }
    01269   } else {
    01270     legend[click_pos].show_on_map = !legend[click_pos].show_on_map;
    01271   }
    01272   this->SetOverlayCargoMask();
    01273 }
    01274
    01278 void SmallMapWindow::SetOverlayCargoMask()
    01279 {
    01280   if (this->map_type == SMT_LINKSTATS) {
    01281     uint32 cargo_mask = 0;
    01282     for (int i = 0; i != _smallmap_cargo_count; ++i) {
    01283       if (_legend_linkstats[i].show_on_map) SetBit(cargo_mask, _legend_linkstats[i].type);
    01284     }
    01285     this->overlay->SetCargoMask(cargo_mask);
    01286     this->overlay->RebuildCache();
    01287   }
    01288 }
    01289
    01294 void SmallMapWindow::SwitchMapType(SmallMapType map_type)
    01295 {
    01296   this->RaiseWidget(this->map_type + WID_SM_CONTOUR);
    01297   this->map_type = map_type;
    01298   this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01299
    01300   this->SetupWidgetData();
    01301
    01302   if (map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01303   this->SetDirty();
    01304 }
    01305
    01306 void SmallMapWindow::OnClick(Point pt, int widget, int click_count)
    01307 {
    01308   /* User clicked something, notify the industry chain window to stop sending newly selected industries. */
    01309   InvalidateWindowClassesData(WC_INDUSTRY_CARGOES, NUM_INDUSTRYTYPES);
    01310
    01311   switch (widget) {
    01312     case WID_SM_MAP: { // Map window
    01313       /*
    01314        * XXX: scrolling with the left mouse button is done by subsequently
    01315        * clicking with the left mouse button; clicking once centers the
    01316        * large map at the selected point. So by unclicking the left mouse
    01317        * button here, it gets reclicked during the next inputloop, which
    01318        * would make it look like the mouse is being dragged, while it is
    01319        * actually being (virtually) clicked every inputloop.
    01320        */
    01321       _left_button_clicked = false;
    01322
    01323       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01324       Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    01325       int sub;
    01326       pt = this->PixelToTile(pt.x - wid->pos_x, pt.y - wid->pos_y, &sub);
    01327       pt = RemapCoords(this->scroll_x + pt.x * TILE_SIZE + this->zoom * (TILE_SIZE - sub * TILE_SIZE / 4),
    01328           this->scroll_y + pt.y * TILE_SIZE + sub * this->zoom * TILE_SIZE / 4, 0);
    01329
    01330       w->viewport->follow_vehicle = INVALID_VEHICLE;
    01331       w->viewport->dest_scrollpos_x = pt.x - (w->viewport->virtual_width  >> 1);
    01332       w->viewport->dest_scrollpos_y = pt.y - (w->viewport->virtual_height >> 1);
    01333
    01334       this->SetDirty();
    01335       break;
    01336     }
    01337
    01338     case WID_SM_ZOOM_IN:
    01339     case WID_SM_ZOOM_OUT: {
    01340       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01341       Point pt = {wid->current_x / 2, wid->current_y / 2};
    01342       this->SetZoomLevel((widget == WID_SM_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01343       SndPlayFx(SND_15_BEEP);
    01344       break;
    01345     }
    01346
    01347     case WID_SM_CONTOUR:    // Show land contours
    01348     case WID_SM_VEHICLES:   // Show vehicles
    01349     case WID_SM_INDUSTRIES: // Show industries
    01350     case WID_SM_LINKSTATS:  // Show route map
    01351     case WID_SM_ROUTES:     // Show transport routes
    01352     case WID_SM_VEGETATION: // Show vegetation
    01353     case WID_SM_OWNERS:     // Show land owners
    01354       this->SwitchMapType((SmallMapType)(widget - WID_SM_CONTOUR));
    01355       SndPlayFx(SND_15_BEEP);
    01356       break;
    01357
    01358     case WID_SM_CENTERMAP: // Center the smallmap again
    01359       this->SmallMapCenterOnCurrentPos();
    01360       this->HandleButtonClick(WID_SM_CENTERMAP);
    01361       SndPlayFx(SND_15_BEEP);
    01362       break;
    01363
    01364     case WID_SM_TOGGLETOWNNAME: // Toggle town names
    01365       this->show_towns = !this->show_towns;
    01366       this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01367
    01368       this->SetDirty();
    01369       SndPlayFx(SND_15_BEEP);
    01370       break;
    01371
    01372     case WID_SM_LEGEND: // Legend
    01373       if (this->map_type == SMT_INDUSTRY || this->map_type == SMT_LINKSTATS || this->map_type == SMT_OWNER) {
    01374         /* If click on label, find right type and enable/disable it */
    01375         const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_LEGEND); // Label panel
    01376         uint line = (pt.y - wi->pos_y - WD_FRAMERECT_TOP) / FONT_HEIGHT_SMALL;
    01377         uint columns = this->GetNumberColumnsLegend(wi->current_x);
    01378         uint number_of_rows = this->GetNumberRowsLegend(columns);
    01379         if (line >= number_of_rows) break;
    01380
    01381         bool rtl = _current_text_dir == TD_RTL;
    01382         int x = pt.x - wi->pos_x;
    01383         if (rtl) x = wi->current_x - x;
    01384         uint column = (x - WD_FRAMERECT_LEFT) / this->column_width;
    01385
    01386         /* Check if click is on label*/
    01387         int click_pos = (column * number_of_rows) + line;
    01388         if (this->map_type == SMT_INDUSTRY) {
    01389           if (click_pos < _smallmap_industry_count) {
    01390             this->SelectLegendItem(click_pos, _legend_from_industries, _smallmap_industry_count);
    01391           }
    01392         } else if (this->map_type == SMT_LINKSTATS) {
    01393           if (click_pos < _smallmap_cargo_count) {
    01394             this->SelectLegendItem(click_pos, _legend_linkstats, _smallmap_cargo_count);
    01395           }
    01396         } else if (this->map_type == SMT_OWNER) {
    01397           if (click_pos < _smallmap_company_count) {
    01398             this->SelectLegendItem(click_pos, _legend_land_owners, _smallmap_company_count, NUM_NO_COMPANY_ENTRIES);
    01399           }
    01400         }
    01401         this->SetDirty();
    01402       }
    01403       break;
    01404
    01405     case WID_SM_ENABLE_ALL:
    01406       /* FALL THROUGH */
    01407     case WID_SM_DISABLE_ALL: {
    01408       LegendAndColour *tbl = NULL;
    01409       switch (this->map_type) {
    01410         case SMT_INDUSTRY:
    01411           tbl = _legend_from_industries;
    01412           break;
    01413         case SMT_OWNER:
    01414           tbl = &(_legend_land_owners[NUM_NO_COMPANY_ENTRIES]);
    01415           break;
    01416         case SMT_LINKSTATS:
    01417           tbl = _legend_linkstats;
    01418           break;
    01419         default:
    01420           NOT_REACHED();
    01421       }
    01422       for (;!tbl->end && tbl->legend != STR_LINKGRAPH_LEGEND_UNUSED; ++tbl) {
    01423         tbl->show_on_map = (widget == WID_SM_ENABLE_ALL);
    01424       }
    01425       this->SetOverlayCargoMask();
    01426       this->SetDirty();
    01427       break;
    01428     }
    01429
    01430     case WID_SM_SHOW_HEIGHT: // Enable/disable showing of heightmap.
    01431       _smallmap_show_heightmap = !_smallmap_show_heightmap;
    01432       this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01433       this->SetDirty();
    01434       break;
    01435   }
    01436 }
    01437
    01445 void SmallMapWindow::OnInvalidateData(int data, bool gui_scope)
    01446 {
    01447   if (!gui_scope) return;
    01448   switch (data) {
    01449     case 1:
    01450       /* The owner legend has already been rebuilt. */
    01451       this->ReInit();
    01452       break;
    01453
    01454     case 0: {
    01455       extern uint64 _displayed_industries;
    01456       if (this->map_type != SMT_INDUSTRY) this->SwitchMapType(SMT_INDUSTRY);
    01457
    01458       for (int i = 0; i != _smallmap_industry_count; i++) {
    01459         _legend_from_industries[i].show_on_map = HasBit(_displayed_industries, _legend_from_industries[i].type);
    01460       }
    01461       break;
    01462     }
    01463
    01464     default: NOT_REACHED();
    01465   }
    01466   this->SetDirty();
    01467 }
    01468
    01469 bool SmallMapWindow::OnRightClick(Point pt, int widget)
    01470 {
    01471   if (widget != WID_SM_MAP || _scrolling_viewport) return false;
    01472
    01473   _scrolling_viewport = true;
    01474   return true;
    01475 }
    01476
    01477 void SmallMapWindow::OnMouseWheel(int wheel)
    01478 {
    01479   if (_settings_client.gui.scrollwheel_scrolling == 0) {
    01480     const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01481     int cursor_x = _cursor.pos.x - this->left - wid->pos_x;
    01482     int cursor_y = _cursor.pos.y - this->top  - wid->pos_y;
    01483     if (IsInsideMM(cursor_x, 0, wid->current_x) && IsInsideMM(cursor_y, 0, wid->current_y)) {
    01484       Point pt = {cursor_x, cursor_y};
    01485       this->SetZoomLevel((wheel < 0) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01486     }
    01487   }
    01488 }
    01489
    01490 void SmallMapWindow::OnTick()
    01491 {
    01492   /* Update the window every now and then */
    01493   if (--this->refresh != 0) return;
    01494
    01495   if (this->map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01496   this->refresh = FORCE_REFRESH_PERIOD;
    01497   this->SetDirty();
    01498 }
    01499
    01507 void SmallMapWindow::SetNewScroll(int sx, int sy, int sub)
    01508 {
    01509   const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01510   Point hv = InverseRemapCoords(wi->current_x * ZOOM_LVL_BASE * TILE_SIZE / 2, wi->current_y * ZOOM_LVL_BASE * TILE_SIZE / 2);
    01511   hv.x *= this->zoom;
    01512   hv.y *= this->zoom;
    01513
    01514   if (sx < -hv.x) {
    01515     sx = -hv.x;
    01516     sub = 0;
    01517   }
    01518   if (sx > (int)(MapMaxX() * TILE_SIZE) - hv.x) {
    01519     sx = MapMaxX() * TILE_SIZE - hv.x;
    01520     sub = 0;
    01521   }
    01522   if (sy < -hv.y) {
    01523     sy = -hv.y;
    01524     sub = 0;
    01525   }
    01526   if (sy > (int)(MapMaxY() * TILE_SIZE) - hv.y) {
    01527     sy = MapMaxY() * TILE_SIZE - hv.y;
    01528     sub = 0;
    01529   }
    01530
    01531   this->scroll_x = sx;
    01532   this->scroll_y = sy;
    01533   this->subscroll = sub;
    01534   if (this->map_type == SMT_LINKSTATS) this->overlay->RebuildCache();
    01535 }
    01536
    01537 void SmallMapWindow::OnScroll(Point delta)
    01538 {
    01539   _cursor.fix_at = true;
    01540
    01541   /* While tile is at (delta.x, delta.y)? */
    01542   int sub;
    01543   Point pt = this->PixelToTile(delta.x, delta.y, &sub);
    01544   this->SetNewScroll(this->scroll_x + pt.x * TILE_SIZE, this->scroll_y + pt.y * TILE_SIZE, sub);
    01545
    01546   this->SetDirty();
    01547 }
    01548
    01549 void SmallMapWindow::SmallMapCenterOnCurrentPos()
    01550 {
    01551   const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    01552   Point pt = InverseRemapCoords(vp->virtual_left + vp->virtual_width  / 2, vp->virtual_top  + vp->virtual_height / 2);
    01553
    01554   int sub;
    01555   const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01556   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);
    01557   this->SetNewScroll(sxy.x, sxy.y, sub);
    01558   this->SetDirty();
    01559 }
    01560
    01566 Point SmallMapWindow::GetStationMiddle(const Station *st) const
    01567 {
    01568   int x = (st->rect.right + st->rect.left + 1) / 2;
    01569   int y = (st->rect.bottom + st->rect.top + 1) / 2;
    01570   Point ret = this->RemapTile(x, y);
    01571
    01572   /* Same magic 3 as in DrawVehicles; that's where I got it from.
    01573    * No idea what it is, but without it the result looks bad.
    01574    */
    01575   ret.x -= 3 + this->subscroll;
    01576   return ret;
    01577 }
    01578
    01579 SmallMapWindow::SmallMapType SmallMapWindow::map_type = SMT_CONTOUR;
    01580 bool SmallMapWindow::show_towns = true;
    01581
    01590 class NWidgetSmallmapDisplay : public NWidgetContainer {
    01591   const SmallMapWindow *smallmap_window;
    01592 public:
    01593   NWidgetSmallmapDisplay() : NWidgetContainer(NWID_VERTICAL)
    01594   {
    01595     this->smallmap_window = NULL;
    01596   }
    01597
    01598   virtual void SetupSmallestSize(Window *w, bool init_array)
    01599   {
    01600     NWidgetBase *display = this->head;
    01601     NWidgetBase *bar = display->next;
    01602
    01603     display->SetupSmallestSize(w, init_array);
    01604     bar->SetupSmallestSize(w, init_array);
    01605
    01606     this->smallmap_window = dynamic_cast<SmallMapWindow *>(w);
    01607     this->smallest_x = max(display->smallest_x, bar->smallest_x + smallmap_window->GetMinLegendWidth());
    01608     this->smallest_y = display->smallest_y + max(bar->smallest_y, smallmap_window->GetLegendHeight(smallmap_window->min_number_of_columns));
    01609     this->fill_x = max(display->fill_x, bar->fill_x);
    01610     this->fill_y = (display->fill_y == 0 && bar->fill_y == 0) ? 0 : min(display->fill_y, bar->fill_y);
    01611     this->resize_x = max(display->resize_x, bar->resize_x);
    01612     this->resize_y = min(display->resize_y, bar->resize_y);
    01613   }
    01614
    01615   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
    01616   {
    01617     this->pos_x = x;
    01618     this->pos_y = y;
    01619     this->current_x = given_width;
    01620     this->current_y = given_height;
    01621
    01622     NWidgetBase *display = this->head;
    01623     NWidgetBase *bar = display->next;
    01624
    01625     if (sizing == ST_SMALLEST) {
    01626       this->smallest_x = given_width;
    01627       this->smallest_y = given_height;
    01628       /* Make display and bar exactly equal to their minimal size. */
    01629       display->AssignSizePosition(ST_SMALLEST, x, y, display->smallest_x, display->smallest_y, rtl);
    01630       bar->AssignSizePosition(ST_SMALLEST, x, y + display->smallest_y, bar->smallest_x, bar->smallest_y, rtl);
    01631     }
    01632
    01633     uint bar_height = max(bar->smallest_y, this->smallmap_window->GetLegendHeight(this->smallmap_window->GetNumberColumnsLegend(given_width - bar->smallest_x)));
    01634     uint display_height = given_height - bar_height;
    01635     display->AssignSizePosition(ST_RESIZE, x, y, given_width, display_height, rtl);
    01636     bar->AssignSizePosition(ST_RESIZE, x, y + display_height, given_width, bar_height, rtl);
    01637   }
    01638
    01639   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
    01640   {
    01641     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
    01642     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
    01643       NWidgetCore *widget = child_wid->GetWidgetFromPos(x, y);
    01644       if (widget != NULL) return widget;
    01645     }
    01646     return NULL;
    01647   }
    01648
    01649   virtual void Draw(const Window *w)
    01650   {
    01651     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) child_wid->Draw(w);
    01652   }
    01653 };
    01654
    01656 static const NWidgetPart _nested_smallmap_display[] = {
    01657   NWidget(WWT_PANEL, COLOUR_BROWN, WID_SM_MAP_BORDER),
    01658     NWidget(WWT_INSET, COLOUR_BROWN, WID_SM_MAP), SetMinimalSize(346, 140), SetResize(1, 1), SetPadding(2, 2, 2, 2), EndContainer(),
    01659   EndContainer(),
    01660 };
    01661
    01663 static const NWidgetPart _nested_smallmap_bar[] = {
    01664   NWidget(WWT_PANEL, COLOUR_BROWN),
    01665     NWidget(NWID_HORIZONTAL),
    01666       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SM_LEGEND), SetResize(1, 1),
    01667       NWidget(NWID_VERTICAL),
    01668         /* Top button row. */
    01669         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01670           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_IN),
    01671               SetDataTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN), SetFill(1, 1),
    01672           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_CENTERMAP),
    01673               SetDataTip(SPR_IMG_SMALLMAP, STR_SMALLMAP_CENTER), SetFill(1, 1),
    01674           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_BLANK),
    01675               SetDataTip(SPR_DOT_SMALL, STR_NULL), SetFill(1, 1),
    01676           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_CONTOUR),
    01677               SetDataTip(SPR_IMG_SHOW_COUNTOURS, STR_SMALLMAP_TOOLTIP_SHOW_LAND_CONTOURS_ON_MAP), SetFill(1, 1),
    01678           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEHICLES),
    01679               SetDataTip(SPR_IMG_SHOW_VEHICLES, STR_SMALLMAP_TOOLTIP_SHOW_VEHICLES_ON_MAP), SetFill(1, 1),
    01680           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_INDUSTRIES),
    01681               SetDataTip(SPR_IMG_INDUSTRY, STR_SMALLMAP_TOOLTIP_SHOW_INDUSTRIES_ON_MAP), SetFill(1, 1),
    01682         EndContainer(),
    01683         /* Bottom button row. */
    01684         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01685           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_OUT),
    01686               SetDataTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT), SetFill(1, 1),
    01687           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_TOGGLETOWNNAME),
    01688               SetDataTip(SPR_IMG_TOWN, STR_SMALLMAP_TOOLTIP_TOGGLE_TOWN_NAMES_ON_OFF), SetFill(1, 1),
    01689           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_LINKSTATS),
    01690               SetDataTip(SPR_IMG_GRAPHS, STR_SMALLMAP_TOOLTIP_SHOW_LINK_STATS_ON_MAP), SetFill(1, 1),
    01691           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_ROUTES),
    01692               SetDataTip(SPR_IMG_SHOW_ROUTES, STR_SMALLMAP_TOOLTIP_SHOW_TRANSPORT_ROUTES_ON), SetFill(1, 1),
    01693           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEGETATION),
    01694               SetDataTip(SPR_IMG_PLANTTREES, STR_SMALLMAP_TOOLTIP_SHOW_VEGETATION_ON_MAP), SetFill(1, 1),
    01695           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_OWNERS),
    01696               SetDataTip(SPR_IMG_COMPANY_GENERAL, STR_SMALLMAP_TOOLTIP_SHOW_LAND_OWNERS_ON_MAP), SetFill(1, 1),
    01697         EndContainer(),
    01698         NWidget(NWID_SPACER), SetResize(0, 1),
    01699       EndContainer(),
    01700     EndContainer(),
    01701   EndContainer(),
    01702 };
    01703
    01704 static NWidgetBase *SmallMapDisplay(int *biggest_index)
    01705 {
    01706   NWidgetContainer *map_display = new NWidgetSmallmapDisplay;
    01707
    01708   MakeNWidgets(_nested_smallmap_display, lengthof(_nested_smallmap_display), biggest_index, map_display);
    01709   MakeNWidgets(_nested_smallmap_bar, lengthof(_nested_smallmap_bar), biggest_index, map_display);
    01710   return map_display;
    01711 }
    01712
    01713
    01714 static const NWidgetPart _nested_smallmap_widgets[] = {
    01715   NWidget(NWID_HORIZONTAL),
    01716     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01717     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_SM_CAPTION), SetDataTip(STR_SMALLMAP_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01718     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01719     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01720   EndContainer(),
    01721   NWidgetFunction(SmallMapDisplay), // Smallmap display and legend bar + image buttons.
    01722   /* Bottom button row and resize box. */
    01723   NWidget(NWID_HORIZONTAL),
    01724     NWidget(WWT_PANEL, COLOUR_BROWN),
    01725       NWidget(NWID_HORIZONTAL),
    01726         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_SM_SELECT_BUTTONS),
    01727           NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01728             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_ENABLE_ALL), SetDataTip(STR_SMALLMAP_ENABLE_ALL, STR_NULL),
    01729             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_DISABLE_ALL), SetDataTip(STR_SMALLMAP_DISABLE_ALL, STR_NULL),
    01730             NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_SM_SHOW_HEIGHT), SetDataTip(STR_SMALLMAP_SHOW_HEIGHT, STR_SMALLMAP_TOOLTIP_SHOW_HEIGHT),
    01731           EndContainer(),
    01732           NWidget(NWID_SPACER), SetFill(1, 1),
    01733         EndContainer(),
    01734         NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
    01735       EndContainer(),
    01736     EndContainer(),
    01737     NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01738   EndContainer(),
    01739 };
    01740
    01741 static const WindowDesc _smallmap_desc(
    01742   WDP_AUTO, 484, 314,
    01743   WC_SMALLMAP, WC_NONE,
    01744   WDF_UNCLICK_BUTTONS,
    01745   _nested_smallmap_widgets, lengthof(_nested_smallmap_widgets)
    01746 );
    01747
    01751 void ShowSmallMap()
    01752 {
    01753   AllocateWindowDescFront<SmallMapWindow>(&_smallmap_desc, 0);
    01754 }
    01755
    01764 bool ScrollMainWindowTo(int x, int y, int z, bool instant)
    01765 {
    01766   bool res = ScrollWindowTo(x, y, z, FindWindowById(WC_MAIN_WINDOW, 0), instant);
    01767
    01768   /* If a user scrolls to a tile (via what way what so ever) and already is on
    01769    * that tile (e.g.: pressed twice), move the smallmap to that location,
    01770    * so you directly see where you are on the smallmap. */
    01771
    01772   if (res) return res;
    01773
    01774   SmallMapWindow *w = dynamic_cast<SmallMapWindow*>(FindWindowById(WC_SMALLMAP, 0));
    01775   if (w != NULL) w->SmallMapCenterOnCurrentPos();
    01776
    01777   return res;
    01778 }