# smallmap_gui.cpp

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    00001 /* $Id: smallmap_gui.cpp 24958 2013-02-02 19:52:56Z rubidium $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "clear_map.h"
    00014 #include "industry.h"
    00015 #include "station_map.h"
    00016 #include "landscape.h"
    00017 #include "window_gui.h"
    00018 #include "tree_map.h"
    00019 #include "viewport_func.h"
    00020 #include "town.h"
    00021 #include "blitter/factory.hpp"
    00022 #include "tunnelbridge_map.h"
    00023 #include "strings_func.h"
    00024 #include "core/endian_func.hpp"
    00025 #include "vehicle_base.h"
    00026 #include "sound_func.h"
    00027 #include "window_func.h"
    00028 #include "company_base.h"
    00029
    00030 #include "widgets/smallmap_widget.h"
    00031
    00032 #include "table/strings.h"
    00033
    00034 static int _smallmap_industry_count;
    00035 static int _smallmap_company_count;
    00036
    00037 static const int NUM_NO_COMPANY_ENTRIES = 4;
    00038
    00039 static const uint8 PC_ROUGH_LAND      = 0x52;
    00040 static const uint8 PC_GRASS_LAND      = 0x54;
    00041 static const uint8 PC_BARE_LAND       = 0x37;
    00042 static const uint8 PC_FIELDS          = 0x25;
    00043 static const uint8 PC_TREES           = 0x57;
    00044 static const uint8 PC_WATER           = 0xCA;
    00045
    00047 #define MK(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, false}
    00048
    00050 #define MC(height)  {0, STR_TINY_BLACK_HEIGHT, INVALID_INDUSTRYTYPE, height, INVALID_COMPANY, true, false, false}
    00051
    00053 #define MO(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, false}
    00054
    00056 #define MOEND() {0, 0, INVALID_INDUSTRYTYPE, 0, OWNER_NONE, true, true, false}
    00057
    00059 #define MKEND() {0, STR_NULL, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, true, false}
    00060
    00065 #define MS(a, b) {a, b, INVALID_INDUSTRYTYPE, 0, INVALID_COMPANY, true, false, true}
    00066
    00068 struct LegendAndColour {
    00069   uint8 colour;
    00070   StringID legend;
    00071   IndustryType type;
    00072   uint8 height;
    00073   CompanyID company;
    00074   bool show_on_map;
    00075   bool end;
    00076   bool col_break;
    00077 };
    00078
    00080 static LegendAndColour _legend_land_contours[] = {
    00081   /* The colours for the following values are set at BuildLandLegend() based on each colour scheme. */
    00082   MC(0),
    00083   MC(4),
    00084   MC(8),
    00085   MC(12),
    00086   MC(14),
    00087
    00088   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00089   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00090   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_STATIONS_AIRPORTS_DOCKS),
    00091   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00092   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_VEHICLES),
    00093   MKEND()
    00094 };
    00095
    00096 static const LegendAndColour _legend_vehicles[] = {
    00097   MK(PC_RED,             STR_SMALLMAP_LEGENDA_TRAINS),
    00098   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_ROAD_VEHICLES),
    00099   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SHIPS),
    00100   MK(PC_WHITE,           STR_SMALLMAP_LEGENDA_AIRCRAFT),
    00101
    00102   MS(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00103   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00104   MKEND()
    00105 };
    00106
    00107 static const LegendAndColour _legend_routes[] = {
    00108   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_ROADS),
    00109   MK(PC_GREY,            STR_SMALLMAP_LEGENDA_RAILROADS),
    00110   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00111
    00112   MS(PC_VERY_DARK_BROWN, STR_SMALLMAP_LEGENDA_RAILROAD_STATION),
    00113   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_TRUCK_LOADING_BAY),
    00114   MK(PC_YELLOW,          STR_SMALLMAP_LEGENDA_BUS_STATION),
    00115   MK(PC_RED,             STR_SMALLMAP_LEGENDA_AIRPORT_HELIPORT),
    00116   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_DOCK),
    00117   MKEND()
    00118 };
    00119
    00120 static const LegendAndColour _legend_vegetation[] = {
    00121   MK(PC_ROUGH_LAND,      STR_SMALLMAP_LEGENDA_ROUGH_LAND),
    00122   MK(PC_GRASS_LAND,      STR_SMALLMAP_LEGENDA_GRASS_LAND),
    00123   MK(PC_BARE_LAND,       STR_SMALLMAP_LEGENDA_BARE_LAND),
    00124   MK(PC_FIELDS,          STR_SMALLMAP_LEGENDA_FIELDS),
    00125   MK(PC_TREES,           STR_SMALLMAP_LEGENDA_TREES),
    00126   MK(PC_GREEN,           STR_SMALLMAP_LEGENDA_FOREST),
    00127
    00128   MS(PC_GREY,            STR_SMALLMAP_LEGENDA_ROCKS),
    00129   MK(PC_ORANGE,          STR_SMALLMAP_LEGENDA_DESERT),
    00130   MK(PC_LIGHT_BLUE,      STR_SMALLMAP_LEGENDA_SNOW),
    00131   MK(PC_BLACK,           STR_SMALLMAP_LEGENDA_TRANSPORT_ROUTES),
    00132   MK(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_BUILDINGS_INDUSTRIES),
    00133   MKEND()
    00134 };
    00135
    00136 static LegendAndColour _legend_land_owners[NUM_NO_COMPANY_ENTRIES + MAX_COMPANIES + 1] = {
    00137   MO(PC_WATER,           STR_SMALLMAP_LEGENDA_WATER),
    00138   MO(0x00,               STR_SMALLMAP_LEGENDA_NO_OWNER), // This colour will vary depending on settings.
    00139   MO(PC_DARK_RED,        STR_SMALLMAP_LEGENDA_TOWNS),
    00140   MO(PC_DARK_GREY,       STR_SMALLMAP_LEGENDA_INDUSTRIES),
    00141   /* The legend will be terminated the first time it is used. */
    00142   MOEND(),
    00143 };
    00144
    00145 #undef MK
    00146 #undef MC
    00147 #undef MS
    00148 #undef MO
    00149 #undef MOEND
    00150 #undef MKEND
    00151
    00156 static LegendAndColour _legend_from_industries[NUM_INDUSTRYTYPES + 1];
    00158 static uint _industry_to_list_pos[NUM_INDUSTRYTYPES];
    00160 static bool _smallmap_show_heightmap = false;
    00162 static IndustryType _smallmap_industry_highlight = INVALID_INDUSTRYTYPE;
    00164 static bool _smallmap_industry_highlight_state;
    00166 static uint _company_to_list_pos[MAX_COMPANIES];
    00167
    00171 void BuildIndustriesLegend()
    00172 {
    00173   uint j = 0;
    00174
    00175   /* Add each name */
    00176   for (uint8 i = 0; i < NUM_INDUSTRYTYPES; i++) {
    00177     IndustryType ind = _sorted_industry_types[i];
    00178     const IndustrySpec *indsp = GetIndustrySpec(ind);
    00179     if (indsp->enabled) {
    00180       _legend_from_industries[j].legend = indsp->name;
    00181       _legend_from_industries[j].colour = indsp->map_colour;
    00182       _legend_from_industries[j].type = ind;
    00183       _legend_from_industries[j].show_on_map = true;
    00184       _legend_from_industries[j].col_break = false;
    00185       _legend_from_industries[j].end = false;
    00186
    00187       /* Store widget number for this industry type. */
    00188       _industry_to_list_pos[ind] = j;
    00189       j++;
    00190     }
    00191   }
    00192   /* Terminate the list */
    00193   _legend_from_industries[j].end = true;
    00194
    00195   /* Store number of enabled industries */
    00196   _smallmap_industry_count = j;
    00197 }
    00198
    00199 static const LegendAndColour * const _legend_table[] = {
    00200   _legend_land_contours,
    00201   _legend_vehicles,
    00202   _legend_from_industries,
    00203   _legend_routes,
    00204   _legend_vegetation,
    00205   _legend_land_owners,
    00206 };
    00207
    00208 #define MKCOLOUR(x)         TO_LE32X(x)
    00209
    00210 #define MKCOLOUR_XXXX(x)    (MKCOLOUR(0x01010101) * (uint)(x))
    00211 #define MKCOLOUR_X0X0(x)    (MKCOLOUR(0x01000100) * (uint)(x))
    00212 #define MKCOLOUR_0X0X(x)    (MKCOLOUR(0x00010001) * (uint)(x))
    00213 #define MKCOLOUR_0XX0(x)    (MKCOLOUR(0x00010100) * (uint)(x))
    00214 #define MKCOLOUR_X00X(x)    (MKCOLOUR(0x01000001) * (uint)(x))
    00215
    00216 #define MKCOLOUR_XYXY(x, y) (MKCOLOUR_X0X0(x) | MKCOLOUR_0X0X(y))
    00217 #define MKCOLOUR_XYYX(x, y) (MKCOLOUR_X00X(x) | MKCOLOUR_0XX0(y))
    00218
    00219 #define MKCOLOUR_0000       MKCOLOUR_XXXX(0x00)
    00220 #define MKCOLOUR_0FF0       MKCOLOUR_0XX0(0xFF)
    00221 #define MKCOLOUR_F00F       MKCOLOUR_X00X(0xFF)
    00222 #define MKCOLOUR_FFFF       MKCOLOUR_XXXX(0xFF)
    00223
    00225 static const uint32 _green_map_heights[] = {
    00226   MKCOLOUR_XXXX(0x5A),
    00227   MKCOLOUR_XYXY(0x5A, 0x5B),
    00228   MKCOLOUR_XXXX(0x5B),
    00229   MKCOLOUR_XYXY(0x5B, 0x5C),
    00230   MKCOLOUR_XXXX(0x5C),
    00231   MKCOLOUR_XYXY(0x5C, 0x5D),
    00232   MKCOLOUR_XXXX(0x5D),
    00233   MKCOLOUR_XYXY(0x5D, 0x5E),
    00234   MKCOLOUR_XXXX(0x5E),
    00235   MKCOLOUR_XYXY(0x5E, 0x5F),
    00236   MKCOLOUR_XXXX(0x5F),
    00237   MKCOLOUR_XYXY(0x5F, 0x1F),
    00238   MKCOLOUR_XXXX(0x1F),
    00239   MKCOLOUR_XYXY(0x1F, 0x27),
    00240   MKCOLOUR_XXXX(0x27),
    00241   MKCOLOUR_XXXX(0x27),
    00242 };
    00243 assert_compile(lengthof(_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00244
    00246 static const uint32 _dark_green_map_heights[] = {
    00247   MKCOLOUR_XXXX(0x60),
    00248   MKCOLOUR_XYXY(0x60, 0x61),
    00249   MKCOLOUR_XXXX(0x61),
    00250   MKCOLOUR_XYXY(0x61, 0x62),
    00251   MKCOLOUR_XXXX(0x62),
    00252   MKCOLOUR_XYXY(0x62, 0x63),
    00253   MKCOLOUR_XXXX(0x63),
    00254   MKCOLOUR_XYXY(0x63, 0x64),
    00255   MKCOLOUR_XXXX(0x64),
    00256   MKCOLOUR_XYXY(0x64, 0x65),
    00257   MKCOLOUR_XXXX(0x65),
    00258   MKCOLOUR_XYXY(0x65, 0x66),
    00259   MKCOLOUR_XXXX(0x66),
    00260   MKCOLOUR_XYXY(0x66, 0x67),
    00261   MKCOLOUR_XXXX(0x67),
    00262   MKCOLOUR_XXXX(0x67),
    00263 };
    00264 assert_compile(lengthof(_dark_green_map_heights) == MAX_TILE_HEIGHT + 1);
    00265
    00267 static const uint32 _violet_map_heights[] = {
    00268   MKCOLOUR_XXXX(0x80),
    00269   MKCOLOUR_XYXY(0x80, 0x81),
    00270   MKCOLOUR_XXXX(0x81),
    00271   MKCOLOUR_XYXY(0x81, 0x82),
    00272   MKCOLOUR_XXXX(0x82),
    00273   MKCOLOUR_XYXY(0x82, 0x83),
    00274   MKCOLOUR_XXXX(0x83),
    00275   MKCOLOUR_XYXY(0x83, 0x84),
    00276   MKCOLOUR_XXXX(0x84),
    00277   MKCOLOUR_XYXY(0x84, 0x85),
    00278   MKCOLOUR_XXXX(0x85),
    00279   MKCOLOUR_XYXY(0x85, 0x86),
    00280   MKCOLOUR_XXXX(0x86),
    00281   MKCOLOUR_XYXY(0x86, 0x87),
    00282   MKCOLOUR_XXXX(0x87),
    00283   MKCOLOUR_XXXX(0x87),
    00284 };
    00285 assert_compile(lengthof(_violet_map_heights) == MAX_TILE_HEIGHT + 1);
    00286
    00288 struct SmallMapColourScheme {
    00289   const uint32 *height_colours;
    00290   uint32 default_colour;
    00291 };
    00292
    00294 static const SmallMapColourScheme _heightmap_schemes[] = {
    00295   {_green_map_heights,      MKCOLOUR_XXXX(0x54)},
    00296   {_dark_green_map_heights, MKCOLOUR_XXXX(0x62)},
    00297   {_violet_map_heights,     MKCOLOUR_XXXX(0x82)},
    00298 };
    00299
    00303 void BuildLandLegend()
    00304 {
    00305   for (LegendAndColour *lc = _legend_land_contours; lc->legend == STR_TINY_BLACK_HEIGHT; lc++) {
    00306     lc->colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].height_colours[lc->height];
    00307   }
    00308 }
    00309
    00313 void BuildOwnerLegend()
    00314 {
    00315   _legend_land_owners[1].colour = _heightmap_schemes[_settings_client.gui.smallmap_land_colour].default_colour;
    00316
    00317   int i = NUM_NO_COMPANY_ENTRIES;
    00318   const Company *c;
    00319   FOR_ALL_COMPANIES(c) {
    00320     _legend_land_owners[i].colour = _colour_gradient[c->colour][5];
    00321     _legend_land_owners[i].company = c->index;
    00322     _legend_land_owners[i].show_on_map = true;
    00323     _legend_land_owners[i].col_break = false;
    00324     _legend_land_owners[i].end = false;
    00325     _company_to_list_pos[c->index] = i;
    00326     i++;
    00327   }
    00328
    00329   /* Terminate the list */
    00330   _legend_land_owners[i].end = true;
    00331
    00332   /* Store maximum amount of owner legend entries. */
    00333   _smallmap_company_count = i;
    00334 }
    00335
    00336 struct AndOr {
    00337   uint32 mor;
    00338   uint32 mand;
    00339 };
    00340
    00341 static inline uint32 ApplyMask(uint32 colour, const AndOr *mask)
    00342 {
    00343   return (colour & mask->mand) | mask->mor;
    00344 }
    00345
    00346
    00348 static const AndOr _smallmap_contours_andor[] = {
    00349   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00350   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F}, // MP_RAILWAY
    00351   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00352   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00353   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00354   {MKCOLOUR_XXXX(PC_LIGHT_BLUE), MKCOLOUR_0000}, // MP_STATION
    00355   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00356   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00357   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00358   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00359   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00360   {MKCOLOUR_0XX0(PC_GREY      ), MKCOLOUR_F00F},
    00361 };
    00362
    00364 static const AndOr _smallmap_vehicles_andor[] = {
    00365   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_CLEAR
    00366   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_RAILWAY
    00367   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_ROAD
    00368   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_HOUSE
    00369   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TREES
    00370   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F}, // MP_STATION
    00371   {MKCOLOUR_XXXX(PC_WATER     ), MKCOLOUR_0000}, // MP_WATER
    00372   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_VOID
    00373   {MKCOLOUR_XXXX(PC_DARK_RED  ), MKCOLOUR_0000}, // MP_INDUSTRY
    00374   {MKCOLOUR_0000               , MKCOLOUR_FFFF}, // MP_TUNNELBRIDGE
    00375   {MKCOLOUR_0XX0(PC_DARK_RED  ), MKCOLOUR_F00F}, // MP_OBJECT
    00376   {MKCOLOUR_0XX0(PC_BLACK     ), MKCOLOUR_F00F},
    00377 };
    00378
    00380 static const byte _tiletype_importance[] = {
    00381   2, // MP_CLEAR
    00382   8, // MP_RAILWAY
    00383   7, // MP_ROAD
    00384   5, // MP_HOUSE
    00385   2, // MP_TREES
    00386   9, // MP_STATION
    00387   2, // MP_WATER
    00388   1, // MP_VOID
    00389   6, // MP_INDUSTRY
    00390   8, // MP_TUNNELBRIDGE
    00391   2, // MP_OBJECT
    00392   0,
    00393 };
    00394
    00395
    00396 static inline TileType GetEffectiveTileType(TileIndex tile)
    00397 {
    00398   TileType t = GetTileType(tile);
    00399
    00400   if (t == MP_TUNNELBRIDGE) {
    00401     TransportType tt = GetTunnelBridgeTransportType(tile);
    00402
    00403     switch (tt) {
    00404       case TRANSPORT_RAIL: t = MP_RAILWAY; break;
    00405       case TRANSPORT_ROAD: t = MP_ROAD;    break;
    00406       default:             t = MP_WATER;   break;
    00407     }
    00408   }
    00409   return t;
    00410 }
    00411
    00418 static inline uint32 GetSmallMapContoursPixels(TileIndex tile, TileType t)
    00419 {
    00420   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00421   return ApplyMask(cs->height_colours[TileHeight(tile)], &_smallmap_contours_andor[t]);
    00422 }
    00423
    00431 static inline uint32 GetSmallMapVehiclesPixels(TileIndex tile, TileType t)
    00432 {
    00433   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00434   return ApplyMask(cs->default_colour, &_smallmap_vehicles_andor[t]);
    00435 }
    00436
    00444 static inline uint32 GetSmallMapIndustriesPixels(TileIndex tile, TileType t)
    00445 {
    00446   if (t == MP_INDUSTRY) {
    00447     /* If industry is allowed to be seen, use its colour on the map */
    00448     IndustryType type = Industry::GetByTile(tile)->type;
    00449     if (_legend_from_industries[_industry_to_list_pos[type]].show_on_map &&
    00450         (_smallmap_industry_highlight_state || type != _smallmap_industry_highlight)) {
    00451       return (type == _smallmap_industry_highlight ? PC_WHITE : GetIndustrySpec(Industry::GetByTile(tile)->type)->map_colour) * 0x01010101;
    00452     } else {
    00453       /* Otherwise, return the colour which will make it disappear */
    00454       t = (IsTileOnWater(tile) ? MP_WATER : MP_CLEAR);
    00455     }
    00456   }
    00457
    00458   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00459   return ApplyMask(_smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour, &_smallmap_vehicles_andor[t]);
    00460 }
    00461
    00469 static inline uint32 GetSmallMapRoutesPixels(TileIndex tile, TileType t)
    00470 {
    00471   if (t == MP_STATION) {
    00472     switch (GetStationType(tile)) {
    00473       case STATION_RAIL:    return MKCOLOUR_XXXX(PC_VERY_DARK_BROWN);
    00474       case STATION_AIRPORT: return MKCOLOUR_XXXX(PC_RED);
    00475       case STATION_TRUCK:   return MKCOLOUR_XXXX(PC_ORANGE);
    00476       case STATION_BUS:     return MKCOLOUR_XXXX(PC_YELLOW);
    00477       case STATION_DOCK:    return MKCOLOUR_XXXX(PC_LIGHT_BLUE);
    00478       default:              return MKCOLOUR_FFFF;
    00479     }
    00480   } else if (t == MP_RAILWAY) {
    00481     AndOr andor = {
    00482       MKCOLOUR_0XX0(GetRailTypeInfo(GetRailType(tile))->map_colour),
    00483       _smallmap_contours_andor[t].mand
    00484     };
    00485
    00486     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00487     return ApplyMask(cs->default_colour, &andor);
    00488   }
    00489
    00490   /* Ground colour */
    00491   const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00492   return ApplyMask(cs->default_colour, &_smallmap_contours_andor[t]);
    00493 }
    00494
    00495
    00496 static const uint32 _vegetation_clear_bits[] = {
    00497   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00498   MKCOLOUR_XXXX(PC_ROUGH_LAND),
    00499   MKCOLOUR_XXXX(PC_GREY),
    00500   MKCOLOUR_XXXX(PC_FIELDS),
    00501   MKCOLOUR_XXXX(PC_LIGHT_BLUE),
    00502   MKCOLOUR_XXXX(PC_ORANGE),
    00503   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00504   MKCOLOUR_XXXX(PC_GRASS_LAND),
    00505 };
    00506
    00514 static inline uint32 GetSmallMapVegetationPixels(TileIndex tile, TileType t)
    00515 {
    00516   switch (t) {
    00517     case MP_CLEAR:
    00518       return (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) < 3) ? MKCOLOUR_XXXX(PC_BARE_LAND) : _vegetation_clear_bits[GetClearGround(tile)];
    00519
    00520     case MP_INDUSTRY:
    00521       return IsTileForestIndustry(tile) ? MKCOLOUR_XXXX(PC_GREEN) : MKCOLOUR_XXXX(PC_DARK_RED);
    00522
    00523     case MP_TREES:
    00524       if (GetTreeGround(tile) == TREE_GROUND_SNOW_DESERT || GetTreeGround(tile) == TREE_GROUND_ROUGH_SNOW) {
    00525         return (_settings_game.game_creation.landscape == LT_ARCTIC) ? MKCOLOUR_XYYX(PC_LIGHT_BLUE, PC_TREES) : MKCOLOUR_XYYX(PC_ORANGE, PC_TREES);
    00526       }
    00527       return MKCOLOUR_XYYX(PC_GRASS_LAND, PC_TREES);
    00528
    00529     default:
    00530       return ApplyMask(MKCOLOUR_XXXX(PC_GRASS_LAND), &_smallmap_vehicles_andor[t]);
    00531   }
    00532 }
    00533
    00541 static inline uint32 GetSmallMapOwnerPixels(TileIndex tile, TileType t)
    00542 {
    00543   Owner o;
    00544
    00545   switch (t) {
    00546     case MP_INDUSTRY: return MKCOLOUR_XXXX(PC_DARK_GREY);
    00547     case MP_HOUSE:    return MKCOLOUR_XXXX(PC_DARK_RED);
    00548     default:          o = GetTileOwner(tile); break;
    00549     /* FIXME: For MP_ROAD there are multiple owners.
    00550      * GetTileOwner returns the rail owner (level crossing) resp. the owner of ROADTYPE_ROAD (normal road),
    00551      * even if there are no ROADTYPE_ROAD bits on the tile.
    00552      */
    00553   }
    00554
    00555   if ((o < MAX_COMPANIES && !_legend_land_owners[_company_to_list_pos[o]].show_on_map) || o == OWNER_NONE || o == OWNER_WATER) {
    00556     if (t == MP_WATER) return MKCOLOUR_XXXX(PC_WATER);
    00557     const SmallMapColourScheme *cs = &_heightmap_schemes[_settings_client.gui.smallmap_land_colour];
    00558     return _smallmap_show_heightmap ? cs->height_colours[TileHeight(tile)] : cs->default_colour;
    00559   } else if (o == OWNER_TOWN) {
    00560     return MKCOLOUR_XXXX(PC_DARK_RED);
    00561   }
    00562
    00563   return MKCOLOUR_XXXX(_legend_land_owners[_company_to_list_pos[o]].colour);
    00564 }
    00565
    00567 static const byte _vehicle_type_colours[6] = {
    00568   PC_RED, PC_YELLOW, PC_LIGHT_BLUE, PC_WHITE, PC_BLACK, PC_RED
    00569 };
    00570
    00571
    00573 class SmallMapWindow : public Window {
    00575   enum SmallMapType {
    00576     SMT_CONTOUR,
    00577     SMT_VEHICLES,
    00578     SMT_INDUSTRY,
    00579     SMT_ROUTES,
    00580     SMT_VEGETATION,
    00581     SMT_OWNER,
    00582   };
    00583
    00585   enum ZoomLevelChange {
    00586     ZLC_INITIALIZE,
    00587     ZLC_ZOOM_OUT,
    00588     ZLC_ZOOM_IN,
    00589   };
    00590
    00591   static SmallMapType map_type;
    00592   static bool show_towns;
    00593
    00594   static const uint LEGEND_BLOB_WIDTH = 8;
    00595   static const uint INDUSTRY_MIN_NUMBER_OF_COLUMNS = 2;
    00596   uint min_number_of_fixed_rows;
    00597   uint column_width;
    00598
    00599   int32 scroll_x;
    00600   int32 scroll_y;
    00601   int32 subscroll;
    00602   int zoom;
    00603
    00604   static const uint FORCE_REFRESH_PERIOD = 0x1F;
    00605   static const uint BLINK_PERIOD         = 0x0F;
    00606   uint8 refresh;
    00607
    00608   inline Point SmallmapRemapCoords(int x, int y) const
    00609   {
    00610     Point pt;
    00611     pt.x = (y - x) * 2;
    00612     pt.y = y + x;
    00613     return pt;
    00614   }
    00615
    00622   inline Point RemapTile(int tile_x, int tile_y) const
    00623   {
    00624     int x_offset = tile_x - this->scroll_x / (int)TILE_SIZE;
    00625     int y_offset = tile_y - this->scroll_y / (int)TILE_SIZE;
    00626
    00627     if (this->zoom == 1) return SmallmapRemapCoords(x_offset, y_offset);
    00628
    00629     /* For negative offsets, round towards -inf. */
    00630     if (x_offset < 0) x_offset -= this->zoom - 1;
    00631     if (y_offset < 0) y_offset -= this->zoom - 1;
    00632
    00633     return SmallmapRemapCoords(x_offset / this->zoom, y_offset / this->zoom);
    00634   }
    00635
    00646   inline Point PixelToTile(int px, int py, int *sub, bool add_sub = true) const
    00647   {
    00648     if (add_sub) px += this->subscroll;  // Total horizontal offset.
    00649
    00650     /* For each two rows down, add a x and a y tile, and
    00651      * For each four pixels to the right, move a tile to the right. */
    00652     Point pt = {((py >> 1) - (px >> 2)) * this->zoom, ((py >> 1) + (px >> 2)) * this->zoom};
    00653     px &= 3;
    00654
    00655     if (py & 1) { // Odd number of rows, handle the 2 pixel shift.
    00656       if (px < 2) {
    00657         pt.x += this->zoom;
    00658         px += 2;
    00659       } else {
    00660         pt.y += this->zoom;
    00661         px -= 2;
    00662       }
    00663     }
    00664
    00665     *sub = px;
    00666     return pt;
    00667   }
    00668
    00678   Point ComputeScroll(int tx, int ty, int x, int y, int *sub)
    00679   {
    00680     assert(x >= 0 && y >= 0);
    00681
    00682     int new_sub;
    00683     Point tile_xy = PixelToTile(x, y, &new_sub, false);
    00684     tx -= tile_xy.x;
    00685     ty -= tile_xy.y;
    00686
    00687     Point scroll;
    00688     if (new_sub == 0) {
    00689       *sub = 0;
    00690       scroll.x = (tx + this->zoom) * TILE_SIZE;
    00691       scroll.y = (ty - this->zoom) * TILE_SIZE;
    00692     } else {
    00693       *sub = 4 - new_sub;
    00694       scroll.x = (tx + 2 * this->zoom) * TILE_SIZE;
    00695       scroll.y = (ty - 2 * this->zoom) * TILE_SIZE;
    00696     }
    00697     return scroll;
    00698   }
    00699
    00706   void SetZoomLevel(ZoomLevelChange change, const Point *zoom_pt)
    00707   {
    00708     static const int zoomlevels[] = {1, 2, 4, 6, 8}; // Available zoom levels. Bigger number means more zoom-out (further away).
    00709     static const int MIN_ZOOM_INDEX = 0;
    00710     static const int MAX_ZOOM_INDEX = lengthof(zoomlevels) - 1;
    00711
    00712     int new_index, cur_index, sub;
    00713     Point tile;
    00714     switch (change) {
    00715       case ZLC_INITIALIZE:
    00716         cur_index = - 1; // Definitely different from new_index.
    00717         new_index = MIN_ZOOM_INDEX;
    00718         break;
    00719
    00720       case ZLC_ZOOM_IN:
    00721       case ZLC_ZOOM_OUT:
    00722         for (cur_index = MIN_ZOOM_INDEX; cur_index <= MAX_ZOOM_INDEX; cur_index++) {
    00723           if (this->zoom == zoomlevels[cur_index]) break;
    00724         }
    00725         assert(cur_index <= MAX_ZOOM_INDEX);
    00726
    00727         tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00728         new_index = Clamp(cur_index + ((change == ZLC_ZOOM_IN) ? -1 : 1), MIN_ZOOM_INDEX, MAX_ZOOM_INDEX);
    00729         break;
    00730
    00731       default: NOT_REACHED();
    00732     }
    00733
    00734     if (new_index != cur_index) {
    00735       this->zoom = zoomlevels[new_index];
    00736       if (cur_index >= 0) {
    00737         Point new_tile = this->PixelToTile(zoom_pt->x, zoom_pt->y, &sub);
    00738         this->SetNewScroll(this->scroll_x + (tile.x - new_tile.x) * TILE_SIZE,
    00739             this->scroll_y + (tile.y - new_tile.y) * TILE_SIZE, sub);
    00740       }
    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 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_ROUTES:
    00778         return GetSmallMapRoutesPixels(tile, et);
    00779
    00780       case SMT_VEGETATION:
    00781         return GetSmallMapVegetationPixels(tile, et);
    00782
    00783       case SMT_OWNER:
    00784         return GetSmallMapOwnerPixels(tile, et);
    00785
    00786       default: NOT_REACHED();
    00787     }
    00788   }
    00789
    00803   void DrawSmallMapColumn(void *dst, uint xc, uint yc, int pitch, int reps, int start_pos, int end_pos, Blitter *blitter) const
    00804   {
    00805     void *dst_ptr_abs_end = blitter->MoveTo(_screen.dst_ptr, 0, _screen.height);
    00806     uint min_xy = _settings_game.construction.freeform_edges ? 1 : 0;
    00807
    00808     do {
    00809       /* Check if the tile (xc,yc) is within the map range */
    00810       if (xc >= MapMaxX() || yc >= MapMaxY()) continue;
    00811
    00812       /* Check if the dst pointer points to a pixel inside the screen buffer */
    00813       if (dst < _screen.dst_ptr) continue;
    00814       if (dst >= dst_ptr_abs_end) continue;
    00815
    00816       /* Construct tilearea covered by (xc, yc, xc + this->zoom, yc + this->zoom) such that it is within min_xy limits. */
    00817       TileArea ta;
    00818       if (min_xy == 1 && (xc == 0 || yc == 0)) {
    00819         if (this->zoom == 1) continue; // The tile area is empty, don't draw anything.
    00820
    00821         ta = TileArea(TileXY(max(min_xy, xc), max(min_xy, yc)), this->zoom - (xc == 0), this->zoom - (yc == 0));
    00822       } else {
    00823         ta = TileArea(TileXY(xc, yc), this->zoom, this->zoom);
    00824       }
    00825       ta.ClampToMap(); // Clamp to map boundaries (may contain MP_VOID tiles!).
    00826
    00827       uint32 val = this->GetTileColours(ta);
    00828       uint8 *val8 = (uint8 *)&val;
    00829       int idx = max(0, -start_pos);
    00830       for (int pos = max(0, start_pos); pos < end_pos; pos++) {
    00831         blitter->SetPixel(dst, idx, 0, val8[idx]);
    00832         idx++;
    00833       }
    00834     /* Switch to next tile in the column */
    00835     } while (xc += this->zoom, yc += this->zoom, dst = blitter->MoveTo(dst, pitch, 0), --reps != 0);
    00836   }
    00837
    00843   void DrawVehicles(const DrawPixelInfo *dpi, Blitter *blitter) const
    00844   {
    00845     const Vehicle *v;
    00846     FOR_ALL_VEHICLES(v) {
    00847       if (v->type == VEH_EFFECT) continue;
    00848       if (v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) continue;
    00849
    00850       /* Remap into flat coordinates. */
    00851       Point pt = this->RemapTile(v->x_pos / TILE_SIZE, v->y_pos / TILE_SIZE);
    00852
    00853       int y = pt.y - dpi->top;
    00854       if (!IsInsideMM(y, 0, dpi->height)) continue; // y is out of bounds.
    00855
    00856       bool skip = false; // Default is to draw both pixels.
    00857       int x = pt.x - this->subscroll - 3 - dpi->left; // Offset X coordinate.
    00858       if (x < 0) {
    00859         /* if x+1 is 0, that means we're on the very left edge,
    00860          * and should thus only draw a single pixel */
    00861         if (++x != 0) continue;
    00862         skip = true;
    00863       } else if (x >= dpi->width - 1) {
    00864         /* Check if we're at the very right edge, and if so draw only a single pixel */
    00865         if (x != dpi->width - 1) continue;
    00866         skip = true;
    00867       }
    00868
    00869       /* Calculate pointer to pixel and the colour */
    00870       byte colour = (this->map_type == SMT_VEHICLES) ? _vehicle_type_colours[v->type] : PC_WHITE;
    00871
    00872       /* And draw either one or two pixels depending on clipping */
    00873       blitter->SetPixel(dpi->dst_ptr, x, y, colour);
    00874       if (!skip) blitter->SetPixel(dpi->dst_ptr, x + 1, y, colour);
    00875     }
    00876   }
    00877
    00882   void DrawTowns(const DrawPixelInfo *dpi) const
    00883   {
    00884     const Town *t;
    00885     FOR_ALL_TOWNS(t) {
    00886       /* Remap the town coordinate */
    00887       Point pt = this->RemapTile(TileX(t->xy), TileY(t->xy));
    00888       int x = pt.x - this->subscroll - (t->cache.sign.width_small >> 1);
    00889       int y = pt.y;
    00890
    00891       /* Check if the town sign is within bounds */
    00892       if (x + t->cache.sign.width_small > dpi->left &&
    00893           x < dpi->left + dpi->width &&
    00894           y + FONT_HEIGHT_SMALL > dpi->top &&
    00895           y < dpi->top + dpi->height) {
    00896         /* And draw it. */
    00897         SetDParam(0, t->index);
    00898         DrawString(x, x + t->cache.sign.width_small, y, STR_SMALLMAP_TOWN);
    00899       }
    00900     }
    00901   }
    00902
    00909   static inline void DrawVertMapIndicator(int x, int y, int y2)
    00910   {
    00911     GfxFillRect(x, y,      x, y + 3, PC_VERY_LIGHT_YELLOW);
    00912     GfxFillRect(x, y2 - 3, x, y2,    PC_VERY_LIGHT_YELLOW);
    00913   }
    00914
    00921   static inline void DrawHorizMapIndicator(int x, int x2, int y)
    00922   {
    00923     GfxFillRect(x,      y, x + 3, y, PC_VERY_LIGHT_YELLOW);
    00924     GfxFillRect(x2 - 3, y, x2,    y, PC_VERY_LIGHT_YELLOW);
    00925   }
    00926
    00930   void DrawMapIndicators() const
    00931   {
    00932     /* Find main viewport. */
    00933     const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    00934
    00935     Point tile = InverseRemapCoords(vp->virtual_left, vp->virtual_top);
    00936     Point tl = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00937     tl.x -= this->subscroll;
    00938
    00939     tile = InverseRemapCoords(vp->virtual_left + vp->virtual_width, vp->virtual_top + vp->virtual_height);
    00940     Point br = this->RemapTile(tile.x >> 4, tile.y >> 4);
    00941     br.x -= this->subscroll;
    00942
    00943     SmallMapWindow::DrawVertMapIndicator(tl.x, tl.y, br.y);
    00944     SmallMapWindow::DrawVertMapIndicator(br.x, tl.y, br.y);
    00945
    00946     SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, tl.y);
    00947     SmallMapWindow::DrawHorizMapIndicator(tl.x, br.x, br.y);
    00948   }
    00949
    00961   void DrawSmallMap(DrawPixelInfo *dpi) const
    00962   {
    00963     Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
    00964     DrawPixelInfo *old_dpi;
    00965
    00966     old_dpi = _cur_dpi;
    00967     _cur_dpi = dpi;
    00968
    00969     /* Clear it */
    00970     GfxFillRect(dpi->left, dpi->top, dpi->left + dpi->width - 1, dpi->top + dpi->height - 1, PC_BLACK);
    00971
    00972     /* Which tile is displayed at (dpi->left, dpi->top)? */
    00973     int dx;
    00974     Point tile = this->PixelToTile(dpi->left, dpi->top, &dx);
    00975     int tile_x = this->scroll_x / (int)TILE_SIZE + tile.x;
    00976     int tile_y = this->scroll_y / (int)TILE_SIZE + tile.y;
    00977
    00978     void *ptr = blitter->MoveTo(dpi->dst_ptr, -dx - 4, 0);
    00979     int x = - dx - 4;
    00980     int y = 0;
    00981
    00982     for (;;) {
    00983       /* Distance from left edge */
    00984       if (x >= -3) {
    00985         if (x >= dpi->width) break; // Exit the loop.
    00986
    00987         int end_pos = min(dpi->width, x + 4);
    00988         int reps = (dpi->height - y + 1) / 2; // Number of lines.
    00989         if (reps > 0) {
    00990           this->DrawSmallMapColumn(ptr, tile_x, tile_y, dpi->pitch * 2, reps, x, end_pos, blitter);
    00991         }
    00992       }
    00993
    00994       if (y == 0) {
    00995         tile_y += this->zoom;
    00996         y++;
    00997         ptr = blitter->MoveTo(ptr, 0, 1);
    00998       } else {
    00999         tile_x -= this->zoom;
    01000         y--;
    01001         ptr = blitter->MoveTo(ptr, 0, -1);
    01002       }
    01003       ptr = blitter->MoveTo(ptr, 2, 0);
    01004       x += 2;
    01005     }
    01006
    01007     /* Draw vehicles */
    01008     if (this->map_type == SMT_CONTOUR || this->map_type == SMT_VEHICLES) this->DrawVehicles(dpi, blitter);
    01009
    01010     /* Draw town names */
    01011     if (this->show_towns) this->DrawTowns(dpi);
    01012
    01013     /* Draw map indicators */
    01014     this->DrawMapIndicators();
    01015
    01016     _cur_dpi = old_dpi;
    01017   }
    01018
    01022   void SetupWidgetData()
    01023   {
    01024     StringID legend_tooltip;
    01025     StringID enable_all_tooltip;
    01026     StringID disable_all_tooltip;
    01027     int plane;
    01028     switch (this->map_type) {
    01029       case SMT_INDUSTRY:
    01030         legend_tooltip = STR_SMALLMAP_TOOLTIP_INDUSTRY_SELECTION;
    01031         enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_INDUSTRIES;
    01032         disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_INDUSTRIES;
    01033         plane = 0;
    01034         break;
    01035
    01036       case SMT_OWNER:
    01037         legend_tooltip = STR_SMALLMAP_TOOLTIP_COMPANY_SELECTION;
    01038         enable_all_tooltip = STR_SMALLMAP_TOOLTIP_ENABLE_ALL_COMPANIES;
    01039         disable_all_tooltip = STR_SMALLMAP_TOOLTIP_DISABLE_ALL_COMPANIES;
    01040         plane = 0;
    01041         break;
    01042
    01043       default:
    01044         legend_tooltip = STR_NULL;
    01045         enable_all_tooltip = STR_NULL;
    01046         disable_all_tooltip = STR_NULL;
    01047         plane = 1;
    01048         break;
    01049     }
    01050
    01051     this->GetWidget<NWidgetCore>(WID_SM_LEGEND)->SetDataTip(STR_NULL, legend_tooltip);
    01052     this->GetWidget<NWidgetCore>(WID_SM_ENABLE_ALL)->SetDataTip(STR_SMALLMAP_ENABLE_ALL, enable_all_tooltip);
    01053     this->GetWidget<NWidgetCore>(WID_SM_DISABLE_ALL)->SetDataTip(STR_SMALLMAP_DISABLE_ALL, disable_all_tooltip);
    01054     this->GetWidget<NWidgetStacked>(WID_SM_SELECT_BUTTONS)->SetDisplayedPlane(plane);
    01055   }
    01056
    01057 public:
    01058   uint min_number_of_columns;
    01059
    01060   SmallMapWindow(const WindowDesc *desc, int window_number) : Window(), refresh(FORCE_REFRESH_PERIOD)
    01061   {
    01062     _smallmap_industry_highlight = INVALID_INDUSTRYTYPE;
    01063     this->InitNested(desc, window_number);
    01064     this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01065
    01066     BuildLandLegend();
    01067     this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01068
    01069     this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01070
    01071     this->SetupWidgetData();
    01072
    01073     this->SetZoomLevel(ZLC_INITIALIZE, NULL);
    01074     this->SmallMapCenterOnCurrentPos();
    01075   }
    01076
    01081   inline uint GetMinLegendWidth() const
    01082   {
    01083     return WD_FRAMERECT_LEFT + this->min_number_of_columns * this->column_width;
    01084   }
    01085
    01090   inline uint GetNumberColumnsLegend(uint width) const
    01091   {
    01092     return width / this->column_width;
    01093   }
    01094
    01100   uint GetLegendHeight(uint num_columns) const
    01101   {
    01102     uint num_rows = max(this->min_number_of_fixed_rows, CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), num_columns));
    01103     return WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + num_rows * FONT_HEIGHT_SMALL;
    01104   }
    01105
    01106   virtual void SetStringParameters(int widget) const
    01107   {
    01108     switch (widget) {
    01109       case WID_SM_CAPTION:
    01110         SetDParam(0, STR_SMALLMAP_TYPE_CONTOURS + this->map_type);
    01111         break;
    01112     }
    01113   }
    01114
    01115   virtual void OnInit()
    01116   {
    01117     uint min_width = 0;
    01118     this->min_number_of_columns = INDUSTRY_MIN_NUMBER_OF_COLUMNS;
    01119     this->min_number_of_fixed_rows = 0;
    01120     for (uint i = 0; i < lengthof(_legend_table); i++) {
    01121       uint height = 0;
    01122       uint num_columns = 1;
    01123       for (const LegendAndColour *tbl = _legend_table[i]; !tbl->end; ++tbl) {
    01124         StringID str;
    01125         if (i == SMT_INDUSTRY) {
    01126           SetDParam(0, tbl->legend);
    01127           SetDParam(1, IndustryPool::MAX_SIZE);
    01128           str = STR_SMALLMAP_INDUSTRY;
    01129         } else if (i == SMT_OWNER) {
    01130           if (tbl->company != INVALID_COMPANY) {
    01131             if (!Company::IsValidID(tbl->company)) {
    01132               /* Rebuild the owner legend. */
    01133               BuildOwnerLegend();
    01134               this->OnInit();
    01135               return;
    01136             }
    01137             /* Non-fixed legend entries for the owner view. */
    01138             SetDParam(0, tbl->company);
    01139             str = STR_SMALLMAP_COMPANY;
    01140           } else {
    01141             str = tbl->legend;
    01142           }
    01143         } else {
    01144           if (tbl->col_break) {
    01145             this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01146             height = 0;
    01147             num_columns++;
    01148           }
    01149           height++;
    01150           str = tbl->legend;
    01151         }
    01152         min_width = max(GetStringBoundingBox(str).width, min_width);
    01153       }
    01154       this->min_number_of_fixed_rows = max(this->min_number_of_fixed_rows, height);
    01155       this->min_number_of_columns = max(this->min_number_of_columns, num_columns);
    01156     }
    01157
    01158     /* The width of a column is the minimum width of all texts + the size of the blob + some spacing */
    01159     this->column_width = min_width + LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
    01160   }
    01161
    01162   virtual void OnPaint()
    01163   {
    01164     if (this->map_type == SMT_OWNER) {
    01165       for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01166         if (tbl->company != INVALID_COMPANY && !Company::IsValidID(tbl->company)) {
    01167           /* Rebuild the owner legend. */
    01168           BuildOwnerLegend();
    01169           this->InvalidateData(1);
    01170           break;
    01171         }
    01172       }
    01173     }
    01174
    01175     this->DrawWidgets();
    01176   }
    01177
    01178   virtual void DrawWidget(const Rect &r, int widget) const
    01179   {
    01180     switch (widget) {
    01181       case WID_SM_MAP: {
    01182         DrawPixelInfo new_dpi;
    01183         if (!FillDrawPixelInfo(&new_dpi, r.left + 1, r.top + 1, r.right - r.left - 1, r.bottom - r.top - 1)) return;
    01184         this->DrawSmallMap(&new_dpi);
    01185         break;
    01186       }
    01187
    01188       case WID_SM_LEGEND: {
    01189         uint columns = this->GetNumberColumnsLegend(r.right - r.left + 1);
    01190         uint number_of_rows = max((this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) ? CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), columns) : 0, this->min_number_of_fixed_rows);
    01191         bool rtl = _current_text_dir == TD_RTL;
    01192         uint y_org = r.top + WD_FRAMERECT_TOP;
    01193         uint x = rtl ? r.right - this->column_width - WD_FRAMERECT_RIGHT : r.left + WD_FRAMERECT_LEFT;
    01194         uint y = y_org;
    01195         uint i = 0; // Row counter for industry legend.
    01196         uint row_height = FONT_HEIGHT_SMALL;
    01197
    01198         uint text_left  = rtl ? 0 : LEGEND_BLOB_WIDTH + WD_FRAMERECT_LEFT;
    01199         uint text_right = this->column_width - 1 - (rtl ? LEGEND_BLOB_WIDTH + WD_FRAMERECT_RIGHT : 0);
    01200         uint blob_left  = rtl ? this->column_width - 1 - LEGEND_BLOB_WIDTH : 0;
    01201         uint blob_right = rtl ? this->column_width - 1 : LEGEND_BLOB_WIDTH;
    01202
    01203         for (const LegendAndColour *tbl = _legend_table[this->map_type]; !tbl->end; ++tbl) {
    01204           if (tbl->col_break || ((this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) && i++ >= number_of_rows)) {
    01205             /* Column break needed, continue at top, COLUMN_WIDTH pixels
    01206              * (one "row") to the right. */
    01207             x += rtl ? -(int)this->column_width : this->column_width;
    01208             y = y_org;
    01209             i = 1;
    01210           }
    01211
    01212           uint8 legend_colour = tbl->colour;
    01213
    01214           if (this->map_type == SMT_INDUSTRY) {
    01215             /* Industry name must be formatted, since it's not in tiny font in the specs.
    01216              * So, draw with a parameter and use the STR_SMALLMAP_INDUSTRY string, which is tiny font */
    01217             SetDParam(0, tbl->legend);
    01218             SetDParam(1, Industry::GetIndustryTypeCount(tbl->type));
    01219             if (!tbl->show_on_map) {
    01220               /* Simply draw the string, not the black border of the legend colour.
    01221                * This will enforce the idea of the disabled item */
    01222               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_INDUSTRY, TC_GREY);
    01223             } else {
    01224               if (tbl->type == _smallmap_industry_highlight) {
    01225                 legend_colour = _smallmap_industry_highlight_state ? PC_WHITE : PC_BLACK;
    01226               }
    01227               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_INDUSTRY, TC_BLACK);
    01228               GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK); // Outer border of the legend colour
    01229             }
    01230           } else if (this->map_type == SMT_OWNER && tbl->company != INVALID_COMPANY) {
    01231             SetDParam(0, tbl->company);
    01232             if (!tbl->show_on_map) {
    01233               /* Simply draw the string, not the black border of the legend colour.
    01234                * This will enforce the idea of the disabled item */
    01235               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_COMPANY, TC_GREY);
    01236             } else {
    01237               DrawString(x + text_left, x + text_right, y, STR_SMALLMAP_COMPANY, TC_BLACK);
    01238               GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK); // Outer border of the legend colour
    01239             }
    01240           } else {
    01241             if (this->map_type == SMT_CONTOUR) SetDParam(0, tbl->height * TILE_HEIGHT_STEP);
    01242
    01243             /* Anything that is not an industry or a company is using normal process */
    01244             GfxFillRect(x + blob_left, y + 1, x + blob_right, y + row_height - 1, PC_BLACK);
    01245             DrawString(x + text_left, x + text_right, y, tbl->legend);
    01246           }
    01247           GfxFillRect(x + blob_left + 1, y + 2, x + blob_right - 1, y + row_height - 2, legend_colour); // Legend colour
    01248
    01249           y += row_height;
    01250         }
    01251       }
    01252     }
    01253   }
    01254
    01259   void SwitchMapType(SmallMapType map_type)
    01260   {
    01261     this->RaiseWidget(this->map_type + WID_SM_CONTOUR);
    01262     this->map_type = map_type;
    01263     this->LowerWidget(this->map_type + WID_SM_CONTOUR);
    01264
    01265     this->SetupWidgetData();
    01266
    01267     this->SetDirty();
    01268   }
    01269
    01275   int GetPositionOnLegend(Point pt)
    01276   {
    01277     const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_LEGEND);
    01278     uint line = (pt.y - wi->pos_y - WD_FRAMERECT_TOP) / FONT_HEIGHT_SMALL;
    01279     uint columns = this->GetNumberColumnsLegend(wi->current_x);
    01280     uint number_of_rows = max(CeilDiv(max(_smallmap_company_count, _smallmap_industry_count), columns), this->min_number_of_fixed_rows);
    01281     if (line >= number_of_rows) return -1;
    01282
    01283     bool rtl = _current_text_dir == TD_RTL;
    01284     int x = pt.x - wi->pos_x;
    01285     if (rtl) x = wi->current_x - x;
    01286     uint column = (x - WD_FRAMERECT_LEFT) / this->column_width;
    01287
    01288     return (column * number_of_rows) + line;
    01289   }
    01290
    01291   virtual void OnMouseOver(Point pt, int widget)
    01292   {
    01293     IndustryType new_highlight = INVALID_INDUSTRYTYPE;
    01294     if (widget == WID_SM_LEGEND && this->map_type == SMT_INDUSTRY) {
    01295       int industry_pos = GetPositionOnLegend(pt);
    01296       if (industry_pos >= 0 && industry_pos < _smallmap_industry_count) {
    01297         new_highlight = _legend_from_industries[industry_pos].type;
    01298       }
    01299     }
    01300     if (new_highlight != _smallmap_industry_highlight) {
    01301       _smallmap_industry_highlight = new_highlight;
    01302       this->refresh = _smallmap_industry_highlight != INVALID_INDUSTRYTYPE ? BLINK_PERIOD : FORCE_REFRESH_PERIOD;
    01303       _smallmap_industry_highlight_state = true;
    01304       this->SetDirty();
    01305     }
    01306   }
    01307
    01308   virtual void OnClick(Point pt, int widget, int click_count)
    01309   {
    01310     /* User clicked something, notify the industry chain window to stop sending newly selected industries. */
    01311     InvalidateWindowClassesData(WC_INDUSTRY_CARGOES, NUM_INDUSTRYTYPES);
    01312
    01313     switch (widget) {
    01314       case WID_SM_MAP: { // Map window
    01315         /*
    01316          * XXX: scrolling with the left mouse button is done by subsequently
    01317          * clicking with the left mouse button; clicking once centers the
    01318          * large map at the selected point. So by unclicking the left mouse
    01319          * button here, it gets reclicked during the next inputloop, which
    01320          * would make it look like the mouse is being dragged, while it is
    01321          * actually being (virtually) clicked every inputloop.
    01322          */
    01323         _left_button_clicked = false;
    01324
    01325         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01326         Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    01327         int sub;
    01328         pt = this->PixelToTile(pt.x - wid->pos_x, pt.y - wid->pos_y, &sub);
    01329         pt = RemapCoords(this->scroll_x + pt.x * TILE_SIZE + this->zoom * (TILE_SIZE - sub * TILE_SIZE / 4),
    01330             this->scroll_y + pt.y * TILE_SIZE + sub * this->zoom * TILE_SIZE / 4, 0);
    01331
    01332         w->viewport->follow_vehicle = INVALID_VEHICLE;
    01333         w->viewport->dest_scrollpos_x = pt.x - (w->viewport->virtual_width  >> 1);
    01334         w->viewport->dest_scrollpos_y = pt.y - (w->viewport->virtual_height >> 1);
    01335
    01336         this->SetDirty();
    01337         break;
    01338       }
    01339
    01340       case WID_SM_ZOOM_IN:
    01341       case WID_SM_ZOOM_OUT: {
    01342         const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01343         Point pt = {wid->current_x / 2, wid->current_y / 2};
    01344         this->SetZoomLevel((widget == WID_SM_ZOOM_IN) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01345         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01346         break;
    01347       }
    01348
    01349       case WID_SM_CONTOUR:    // Show land contours
    01350       case WID_SM_VEHICLES:   // Show vehicles
    01351       case WID_SM_INDUSTRIES: // Show industries
    01352       case WID_SM_ROUTES:     // Show transport routes
    01353       case WID_SM_VEGETATION: // Show vegetation
    01354       case WID_SM_OWNERS:     // Show land owners
    01355         this->SwitchMapType((SmallMapType)(widget - WID_SM_CONTOUR));
    01356         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01357         break;
    01358
    01359       case WID_SM_CENTERMAP: // Center the smallmap again
    01360         this->SmallMapCenterOnCurrentPos();
    01361         this->HandleButtonClick(WID_SM_CENTERMAP);
    01362         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01363         break;
    01364
    01365       case WID_SM_TOGGLETOWNNAME: // Toggle town names
    01366         this->show_towns = !this->show_towns;
    01367         this->SetWidgetLoweredState(WID_SM_TOGGLETOWNNAME, this->show_towns);
    01368
    01369         this->SetDirty();
    01370         if (_settings_client.sound.click_beep) SndPlayFx(SND_15_BEEP);
    01371         break;
    01372
    01373       case WID_SM_LEGEND: // Legend
    01374         if (this->map_type == SMT_INDUSTRY || this->map_type == SMT_OWNER) {
    01375           /* If industry type small map*/
    01376           if (this->map_type == SMT_INDUSTRY) {
    01377             /* If click on industries label, find right industry type and enable/disable it. */
    01378             int industry_pos = GetPositionOnLegend(pt);
    01379             if (industry_pos >= 0 && industry_pos < _smallmap_industry_count) {
    01380               if (_ctrl_pressed) {
    01381                 /* Disable all, except the clicked one. */
    01382                 bool changes = false;
    01383                 for (int i = 0; i != _smallmap_industry_count; i++) {
    01384                   bool new_state = i == industry_pos;
    01385                   if (_legend_from_industries[i].show_on_map != new_state) {
    01386                     changes = true;
    01387                     _legend_from_industries[i].show_on_map = new_state;
    01388                   }
    01389                 }
    01390                 if (!changes) {
    01391                   /* Nothing changed? Then show all (again). */
    01392                   for (int i = 0; i != _smallmap_industry_count; i++) {
    01393                     _legend_from_industries[i].show_on_map = true;
    01394                   }
    01395                 }
    01396               } else {
    01397                 _legend_from_industries[industry_pos].show_on_map = !_legend_from_industries[industry_pos].show_on_map;
    01398               }
    01399             }
    01400           } else if (this->map_type == SMT_OWNER) {
    01401             /* If click on companies label, find right company and enable/disable it. */
    01402             int company_pos = GetPositionOnLegend(pt);
    01403             if (company_pos < NUM_NO_COMPANY_ENTRIES) break;
    01404             if (company_pos < _smallmap_company_count) {
    01405               if (_ctrl_pressed) {
    01406                 /* Disable all, except the clicked one */
    01407                 bool changes = false;
    01408                 for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01409                   bool new_state = i == company_pos;
    01410                   if (_legend_land_owners[i].show_on_map != new_state) {
    01411                     changes = true;
    01412                     _legend_land_owners[i].show_on_map = new_state;
    01413                   }
    01414                 }
    01415                 if (!changes) {
    01416                   /* Nothing changed? Then show all (again). */
    01417                   for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01418                     _legend_land_owners[i].show_on_map = true;
    01419                   }
    01420                 }
    01421               } else {
    01422                 _legend_land_owners[company_pos].show_on_map = !_legend_land_owners[company_pos].show_on_map;
    01423               }
    01424             }
    01425           }
    01426           this->SetDirty();
    01427         }
    01428         break;
    01429
    01430       case WID_SM_ENABLE_ALL:
    01431         if (this->map_type == SMT_INDUSTRY) {
    01432           for (int i = 0; i != _smallmap_industry_count; i++) {
    01433             _legend_from_industries[i].show_on_map = true;
    01434           }
    01435         } else if (this->map_type == SMT_OWNER) {
    01436           for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01437             _legend_land_owners[i].show_on_map = true;
    01438           }
    01439         }
    01440         this->SetDirty();
    01441         break;
    01442
    01443       case WID_SM_DISABLE_ALL:
    01444         if (this->map_type == SMT_INDUSTRY) {
    01445           for (int i = 0; i != _smallmap_industry_count; i++) {
    01446             _legend_from_industries[i].show_on_map = false;
    01447           }
    01448         } else {
    01449           for (int i = NUM_NO_COMPANY_ENTRIES; i != _smallmap_company_count; i++) {
    01450             _legend_land_owners[i].show_on_map = false;
    01451           }
    01452         }
    01453         this->SetDirty();
    01454         break;
    01455
    01456       case WID_SM_SHOW_HEIGHT: // Enable/disable showing of heightmap.
    01457         _smallmap_show_heightmap = !_smallmap_show_heightmap;
    01458         this->SetWidgetLoweredState(WID_SM_SHOW_HEIGHT, _smallmap_show_heightmap);
    01459         this->SetDirty();
    01460         break;
    01461     }
    01462   }
    01463
    01471   virtual void OnInvalidateData(int data = 0, bool gui_scope = true)
    01472   {
    01473     if (!gui_scope) return;
    01474     switch (data) {
    01475       case 1:
    01476         /* The owner legend has already been rebuilt. */
    01477         this->ReInit();
    01478         break;
    01479
    01480       case 0: {
    01481         extern uint64 _displayed_industries;
    01482         if (this->map_type != SMT_INDUSTRY) this->SwitchMapType(SMT_INDUSTRY);
    01483
    01484         for (int i = 0; i != _smallmap_industry_count; i++) {
    01485           _legend_from_industries[i].show_on_map = HasBit(_displayed_industries, _legend_from_industries[i].type);
    01486         }
    01487         break;
    01488       }
    01489
    01490       default: NOT_REACHED();
    01491     }
    01492     this->SetDirty();
    01493   }
    01494
    01495   virtual bool OnRightClick(Point pt, int widget)
    01496   {
    01497     if (widget != WID_SM_MAP || _scrolling_viewport) return false;
    01498
    01499     _scrolling_viewport = true;
    01500     return true;
    01501   }
    01502
    01503   virtual void OnMouseWheel(int wheel)
    01504   {
    01505     if (_settings_client.gui.scrollwheel_scrolling == 0) {
    01506       const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01507       int cursor_x = _cursor.pos.x - this->left - wid->pos_x;
    01508       int cursor_y = _cursor.pos.y - this->top  - wid->pos_y;
    01509       if (IsInsideMM(cursor_x, 0, wid->current_x) && IsInsideMM(cursor_y, 0, wid->current_y)) {
    01510         Point pt = {cursor_x, cursor_y};
    01511         this->SetZoomLevel((wheel < 0) ? ZLC_ZOOM_IN : ZLC_ZOOM_OUT, &pt);
    01512       }
    01513     }
    01514   }
    01515
    01516   virtual void OnTick()
    01517   {
    01518     /* Update the window every now and then */
    01519     if (--this->refresh != 0) return;
    01520
    01521     _smallmap_industry_highlight_state = !_smallmap_industry_highlight_state;
    01522
    01523     this->refresh = _smallmap_industry_highlight != INVALID_INDUSTRYTYPE ? BLINK_PERIOD : FORCE_REFRESH_PERIOD;
    01524     this->SetDirty();
    01525   }
    01526
    01534   void SetNewScroll(int sx, int sy, int sub)
    01535   {
    01536     const NWidgetBase *wi = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01537     Point hv = InverseRemapCoords(wi->current_x * ZOOM_LVL_BASE * TILE_SIZE / 2, wi->current_y * ZOOM_LVL_BASE * TILE_SIZE / 2);
    01538     hv.x *= this->zoom;
    01539     hv.y *= this->zoom;
    01540
    01541     if (sx < -hv.x) {
    01542       sx = -hv.x;
    01543       sub = 0;
    01544     }
    01545     if (sx > (int)(MapMaxX() * TILE_SIZE) - hv.x) {
    01546       sx = MapMaxX() * TILE_SIZE - hv.x;
    01547       sub = 0;
    01548     }
    01549     if (sy < -hv.y) {
    01550       sy = -hv.y;
    01551       sub = 0;
    01552     }
    01553     if (sy > (int)(MapMaxY() * TILE_SIZE) - hv.y) {
    01554       sy = MapMaxY() * TILE_SIZE - hv.y;
    01555       sub = 0;
    01556     }
    01557
    01558     this->scroll_x = sx;
    01559     this->scroll_y = sy;
    01560     this->subscroll = sub;
    01561   }
    01562
    01563   virtual void OnScroll(Point delta)
    01564   {
    01565     _cursor.fix_at = true;
    01566
    01567     /* While tile is at (delta.x, delta.y)? */
    01568     int sub;
    01569     Point pt = this->PixelToTile(delta.x, delta.y, &sub);
    01570     this->SetNewScroll(this->scroll_x + pt.x * TILE_SIZE, this->scroll_y + pt.y * TILE_SIZE, sub);
    01571
    01572     this->SetDirty();
    01573   }
    01574
    01575   void SmallMapCenterOnCurrentPos()
    01576   {
    01577     const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
    01578     Point pt = InverseRemapCoords(vp->virtual_left + vp->virtual_width  / 2, vp->virtual_top  + vp->virtual_height / 2);
    01579
    01580     int sub;
    01581     const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
    01582     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);
    01583     this->SetNewScroll(sxy.x, sxy.y, sub);
    01584     this->SetDirty();
    01585   }
    01586 };
    01587
    01588 SmallMapWindow::SmallMapType SmallMapWindow::map_type = SMT_CONTOUR;
    01589 bool SmallMapWindow::show_towns = true;
    01590
    01599 class NWidgetSmallmapDisplay : public NWidgetContainer {
    01600   const SmallMapWindow *smallmap_window;
    01601 public:
    01602   NWidgetSmallmapDisplay() : NWidgetContainer(NWID_VERTICAL)
    01603   {
    01604     this->smallmap_window = NULL;
    01605   }
    01606
    01607   virtual void SetupSmallestSize(Window *w, bool init_array)
    01608   {
    01609     NWidgetBase *display = this->head;
    01610     NWidgetBase *bar = display->next;
    01611
    01612     display->SetupSmallestSize(w, init_array);
    01613     bar->SetupSmallestSize(w, init_array);
    01614
    01615     this->smallmap_window = dynamic_cast<SmallMapWindow *>(w);
    01616     this->smallest_x = max(display->smallest_x, bar->smallest_x + smallmap_window->GetMinLegendWidth());
    01617     this->smallest_y = display->smallest_y + max(bar->smallest_y, smallmap_window->GetLegendHeight(smallmap_window->min_number_of_columns));
    01618     this->fill_x = max(display->fill_x, bar->fill_x);
    01619     this->fill_y = (display->fill_y == 0 && bar->fill_y == 0) ? 0 : min(display->fill_y, bar->fill_y);
    01620     this->resize_x = max(display->resize_x, bar->resize_x);
    01621     this->resize_y = min(display->resize_y, bar->resize_y);
    01622   }
    01623
    01624   virtual void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
    01625   {
    01626     this->pos_x = x;
    01627     this->pos_y = y;
    01628     this->current_x = given_width;
    01629     this->current_y = given_height;
    01630
    01631     NWidgetBase *display = this->head;
    01632     NWidgetBase *bar = display->next;
    01633
    01634     if (sizing == ST_SMALLEST) {
    01635       this->smallest_x = given_width;
    01636       this->smallest_y = given_height;
    01637       /* Make display and bar exactly equal to their minimal size. */
    01638       display->AssignSizePosition(ST_SMALLEST, x, y, display->smallest_x, display->smallest_y, rtl);
    01639       bar->AssignSizePosition(ST_SMALLEST, x, y + display->smallest_y, bar->smallest_x, bar->smallest_y, rtl);
    01640     }
    01641
    01642     uint bar_height = max(bar->smallest_y, this->smallmap_window->GetLegendHeight(this->smallmap_window->GetNumberColumnsLegend(given_width - bar->smallest_x)));
    01643     uint display_height = given_height - bar_height;
    01644     display->AssignSizePosition(ST_RESIZE, x, y, given_width, display_height, rtl);
    01645     bar->AssignSizePosition(ST_RESIZE, x, y + display_height, given_width, bar_height, rtl);
    01646   }
    01647
    01648   virtual NWidgetCore *GetWidgetFromPos(int x, int y)
    01649   {
    01650     if (!IsInsideBS(x, this->pos_x, this->current_x) || !IsInsideBS(y, this->pos_y, this->current_y)) return NULL;
    01651     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {
    01652       NWidgetCore *widget = child_wid->GetWidgetFromPos(x, y);
    01653       if (widget != NULL) return widget;
    01654     }
    01655     return NULL;
    01656   }
    01657
    01658   virtual void Draw(const Window *w)
    01659   {
    01660     for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) child_wid->Draw(w);
    01661   }
    01662 };
    01663
    01665 static const NWidgetPart _nested_smallmap_display[] = {
    01666   NWidget(WWT_PANEL, COLOUR_BROWN, WID_SM_MAP_BORDER),
    01667     NWidget(WWT_INSET, COLOUR_BROWN, WID_SM_MAP), SetMinimalSize(346, 140), SetResize(1, 1), SetPadding(2, 2, 2, 2), EndContainer(),
    01668   EndContainer(),
    01669 };
    01670
    01672 static const NWidgetPart _nested_smallmap_bar[] = {
    01673   NWidget(WWT_PANEL, COLOUR_BROWN),
    01674     NWidget(NWID_HORIZONTAL),
    01675       NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SM_LEGEND), SetResize(1, 1),
    01676       NWidget(NWID_VERTICAL),
    01677         /* Top button row. */
    01678         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01679           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_IN),
    01680               SetDataTip(SPR_IMG_ZOOMIN, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_IN), SetFill(1, 1),
    01681           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_CENTERMAP),
    01682               SetDataTip(SPR_IMG_SMALLMAP, STR_SMALLMAP_CENTER), SetFill(1, 1),
    01683           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_CONTOUR),
    01684               SetDataTip(SPR_IMG_SHOW_COUNTOURS, STR_SMALLMAP_TOOLTIP_SHOW_LAND_CONTOURS_ON_MAP), SetFill(1, 1),
    01685           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEHICLES),
    01686               SetDataTip(SPR_IMG_SHOW_VEHICLES, STR_SMALLMAP_TOOLTIP_SHOW_VEHICLES_ON_MAP), SetFill(1, 1),
    01687           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_INDUSTRIES),
    01688               SetDataTip(SPR_IMG_INDUSTRY, STR_SMALLMAP_TOOLTIP_SHOW_INDUSTRIES_ON_MAP), SetFill(1, 1),
    01689         EndContainer(),
    01690         /* Bottom button row. */
    01691         NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01692           NWidget(WWT_PUSHIMGBTN, COLOUR_BROWN, WID_SM_ZOOM_OUT),
    01693               SetDataTip(SPR_IMG_ZOOMOUT, STR_TOOLBAR_TOOLTIP_ZOOM_THE_VIEW_OUT), SetFill(1, 1),
    01694           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_TOGGLETOWNNAME),
    01695               SetDataTip(SPR_IMG_TOWN, STR_SMALLMAP_TOOLTIP_TOGGLE_TOWN_NAMES_ON_OFF), SetFill(1, 1),
    01696           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_ROUTES),
    01697               SetDataTip(SPR_IMG_SHOW_ROUTES, STR_SMALLMAP_TOOLTIP_SHOW_TRANSPORT_ROUTES_ON), SetFill(1, 1),
    01698           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_VEGETATION),
    01699               SetDataTip(SPR_IMG_PLANTTREES, STR_SMALLMAP_TOOLTIP_SHOW_VEGETATION_ON_MAP), SetFill(1, 1),
    01700           NWidget(WWT_IMGBTN, COLOUR_BROWN, WID_SM_OWNERS),
    01701               SetDataTip(SPR_IMG_COMPANY_GENERAL, STR_SMALLMAP_TOOLTIP_SHOW_LAND_OWNERS_ON_MAP), SetFill(1, 1),
    01702         EndContainer(),
    01703         NWidget(NWID_SPACER), SetResize(0, 1),
    01704       EndContainer(),
    01705     EndContainer(),
    01706   EndContainer(),
    01707 };
    01708
    01709 static NWidgetBase *SmallMapDisplay(int *biggest_index)
    01710 {
    01711   NWidgetContainer *map_display = new NWidgetSmallmapDisplay;
    01712
    01713   MakeNWidgets(_nested_smallmap_display, lengthof(_nested_smallmap_display), biggest_index, map_display);
    01714   MakeNWidgets(_nested_smallmap_bar, lengthof(_nested_smallmap_bar), biggest_index, map_display);
    01715   return map_display;
    01716 }
    01717
    01718
    01719 static const NWidgetPart _nested_smallmap_widgets[] = {
    01720   NWidget(NWID_HORIZONTAL),
    01721     NWidget(WWT_CLOSEBOX, COLOUR_BROWN),
    01722     NWidget(WWT_CAPTION, COLOUR_BROWN, WID_SM_CAPTION), SetDataTip(STR_SMALLMAP_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
    01723     NWidget(WWT_SHADEBOX, COLOUR_BROWN),
    01724     NWidget(WWT_STICKYBOX, COLOUR_BROWN),
    01725   EndContainer(),
    01726   NWidgetFunction(SmallMapDisplay), // Smallmap display and legend bar + image buttons.
    01727   /* Bottom button row and resize box. */
    01728   NWidget(NWID_HORIZONTAL),
    01729     NWidget(WWT_PANEL, COLOUR_BROWN),
    01730       NWidget(NWID_HORIZONTAL),
    01731         NWidget(NWID_SELECTION, INVALID_COLOUR, WID_SM_SELECT_BUTTONS),
    01732           NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),
    01733             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_ENABLE_ALL), SetDataTip(STR_SMALLMAP_ENABLE_ALL, STR_NULL),
    01734             NWidget(WWT_PUSHTXTBTN, COLOUR_BROWN, WID_SM_DISABLE_ALL), SetDataTip(STR_SMALLMAP_DISABLE_ALL, STR_NULL),
    01735             NWidget(WWT_TEXTBTN, COLOUR_BROWN, WID_SM_SHOW_HEIGHT), SetDataTip(STR_SMALLMAP_SHOW_HEIGHT, STR_SMALLMAP_TOOLTIP_SHOW_HEIGHT),
    01736           EndContainer(),
    01737           NWidget(NWID_SPACER), SetFill(1, 1),
    01738         EndContainer(),
    01739         NWidget(NWID_SPACER), SetFill(1, 0), SetResize(1, 0),
    01740       EndContainer(),
    01741     EndContainer(),
    01742     NWidget(WWT_RESIZEBOX, COLOUR_BROWN),
    01743   EndContainer(),
    01744 };
    01745
    01746 static const WindowDesc _smallmap_desc(
    01747   WDP_AUTO, 446, 314,
    01748   WC_SMALLMAP, WC_NONE,
    01749   0,
    01750   _nested_smallmap_widgets, lengthof(_nested_smallmap_widgets)
    01751 );
    01752
    01756 void ShowSmallMap()
    01757 {
    01758   AllocateWindowDescFront<SmallMapWindow>(&_smallmap_desc, 0);
    01759 }
    01760
    01769 bool ScrollMainWindowTo(int x, int y, int z, bool instant)
    01770 {
    01771   bool res = ScrollWindowTo(x, y, z, FindWindowById(WC_MAIN_WINDOW, 0), instant);
    01772
    01773   /* If a user scrolls to a tile (via what way what so ever) and already is on
    01774    * that tile (e.g.: pressed twice), move the smallmap to that location,
    01775    * so you directly see where you are on the smallmap. */
    01776
    01777   if (res) return res;
    01778
    01779   SmallMapWindow *w = dynamic_cast<SmallMapWindow*>(FindWindowById(WC_SMALLMAP, 0));
    01780   if (w != NULL) w->SmallMapCenterOnCurrentPos();
    01781
    01782   return res;
    01783 }