src/roadveh_gui.cpp

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file roadveh_gui.cpp GUI for road vehicles. */
  11
  12 #include "stdafx.h"
  13 #include "roadveh.h"
  14 #include "window_gui.h"
  15 #include "strings_func.h"
  16 #include "vehicle_func.h"
  17 #include "string_func.h"
  18
  19 #include "table/strings.h"
  20
  21 /**
  22  * Draw the details for the given vehicle at the given position
  23  *
  24  * @param v     current vehicle
  25  * @param left  The left most coordinate to draw
  26  * @param right The right most coordinate to draw
  27  * @param y     The y coordinate
  28  */
  29 void DrawRoadVehDetails(const Vehicle *v, int left, int right, int y)
  30 {
  31         uint y_offset = v->HasArticulatedPart() ? 15 : 0; // Draw the first line below the sprite of an articulated RV instead of after it.
  32         StringID str;
  33         Money feeder_share = 0;
  34
  35         SetDParam(0, v->engine_type);
  36         SetDParam(1, v->build_year);
  37         SetDParam(2, v->value);
  38         DrawString(left, right, y + y_offset, STR_VEHICLE_INFO_BUILT_VALUE);
  39
  40         if (v->HasArticulatedPart()) {
  41                 CargoArray max_cargo;
  42                 StringID subtype_text[NUM_CARGO];
  43                 char capacity[512];
  44
  45                 memset(subtype_text, 0, sizeof(subtype_text));
  46
  47                 for (const Vehicle *u = v; u != NULL; u = u->Next()) {
  48                         max_cargo[u->cargo_type] += u->cargo_cap;
  49                         if (u->cargo_cap > 0) {
  50                                 StringID text = GetCargoSubtypeText(u);
  51                                 if (text != STR_EMPTY) subtype_text[u->cargo_type] = text;
  52                         }
  53                 }
  54
  55                 GetString(capacity, STR_VEHICLE_DETAILS_TRAIN_ARTICULATED_RV_CAPACITY, lastof(capacity));
  56
  57                 bool first = true;
  58                 for (CargoID i = 0; i < NUM_CARGO; i++) {
  59                         if (max_cargo[i] > 0) {
  60                                 char buffer[128];
  61
  62                                 SetDParam(0, i);
  63                                 SetDParam(1, max_cargo[i]);
  64                                 GetString(buffer, STR_JUST_CARGO, lastof(buffer));
  65
  66                                 if (!first) strecat(capacity, ", ", lastof(capacity));
  67                                 strecat(capacity, buffer, lastof(capacity));
  68
  69                                 if (subtype_text[i] != 0) {
  70                                         GetString(buffer, subtype_text[i], lastof(buffer));
  71                                         strecat(capacity, buffer, lastof(capacity));
  72                                 }
  73
  74                                 first = false;
  75                         }
  76                 }
  77
  78                 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, capacity, TC_BLUE);
  79
  80                 for (const Vehicle *u = v; u != NULL; u = u->Next()) {
  81                         if (u->cargo_cap == 0) continue;
  82
  83                         str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
  84                         if (u->cargo.StoredCount() > 0) {
  85                                 SetDParam(0, u->cargo_type);
  86                                 SetDParam(1, u->cargo.StoredCount());
  87                                 SetDParam(2, u->cargo.Source());
  88                                 str = STR_VEHICLE_DETAILS_CARGO_FROM;
  89                                 feeder_share += u->cargo.FeederShare();
  90                         }
  91                         DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
  92
  93                         y_offset += FONT_HEIGHT_NORMAL + 1;
  94                 }
  95
  96                 y_offset -= FONT_HEIGHT_NORMAL + 1;
  97         } else {
  98                 SetDParam(0, v->cargo_type);
  99                 SetDParam(1, v->cargo_cap);
 100                 SetDParam(4, GetCargoSubtypeText(v));
 101                 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, STR_VEHICLE_INFO_CAPACITY);
 102
 103                 str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
 104                 if (v->cargo.StoredCount() > 0) {
 105                         SetDParam(0, v->cargo_type);
 106                         SetDParam(1, v->cargo.StoredCount());
 107                         SetDParam(2, v->cargo.Source());
 108                         str = STR_VEHICLE_DETAILS_CARGO_FROM;
 109                         feeder_share += v->cargo.FeederShare();
 110                 }
 111                 DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
 112         }
 113
 114         /* Draw Transfer credits text */
 115         SetDParam(0, feeder_share);
 116         DrawString(left, right, y + 3 * FONT_HEIGHT_NORMAL + 3 + y_offset, STR_VEHICLE_INFO_FEEDER_CARGO_VALUE);
 117 }
 118
 119 /**
 120  * Draws an image of a road vehicle chain
 121  * @param v         Front vehicle
 122  * @param left      The minimum horizontal position
 123  * @param right     The maximum horizontal position
 124  * @param y         Vertical position to draw at
 125  * @param selection Selected vehicle to draw a frame around
 126  * @param skip      Number of pixels to skip at the front (for scrolling)
 127  */
 128 void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip)
 129 {
 130         bool rtl = _current_text_dir == TD_RTL;
 131         Direction dir = rtl ? DIR_E : DIR_W;
 132         const RoadVehicle *u = RoadVehicle::From(v);
 133
 134         DrawPixelInfo tmp_dpi, *old_dpi;
 135         int max_width = right - left + 1;
 136
 137         if (!FillDrawPixelInfo(&tmp_dpi, left, y, max_width, 14)) return;
 138
 139         old_dpi = _cur_dpi;
 140         _cur_dpi = &tmp_dpi;
 141
 142         int px = rtl ? max_width + skip : -skip;
 143         for (; u != NULL && (rtl ? px > 0 : px < max_width); u = u->Next()) {
 144                 Point offset;
 145                 int width = u->GetDisplayImageWidth(&offset);
 146
 147                 if (rtl ? px + width > 0 : px - width < max_width) {
 148                         PaletteID pal = (u->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(u);
 149                         DrawSprite(u->GetImage(dir, image_type), pal, px + (rtl ? -offset.x : offset.x), 6 + offset.y);
 150                 }
 151
 152                 px += rtl ? -width : width;
 153         }
 154
 155         if (v->index == selection) {
 156                 DrawFrameRect((rtl ? px : 0), 0, (rtl ? max_width : px) - 1, 12, COLOUR_WHITE, FR_BORDERONLY);
 157         }
 158
 159         _cur_dpi = old_dpi;
 160 }