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 #include "zoom_func.h"
  19
  20 #include "table/strings.h"
  21
  22 #include "safeguards.h"
  23
  24 /**
  25  * Draw the details for the given vehicle at the given position
  26  *
  27  * @param v     current vehicle
  28  * @param left  The left most coordinate to draw
  29  * @param right The right most coordinate to draw
  30  * @param y     The y coordinate
  31  */
  32 void DrawRoadVehDetails(const Vehicle *v, int left, int right, int y)
  33 {
  34         uint y_offset = v->HasArticulatedPart() ? ScaleGUITrad(15) : 0; // Draw the first line below the sprite of an articulated RV instead of after it.
  35         StringID str;
  36         Money feeder_share = 0;
  37
  38         SetDParam(0, v->engine_type);
  39         SetDParam(1, v->build_year);
  40         SetDParam(2, v->value);
  41         DrawString(left, right, y + y_offset, STR_VEHICLE_INFO_BUILT_VALUE);
  42
  43         if (v->HasArticulatedPart()) {
  44                 CargoArray max_cargo;
  45                 StringID subtype_text[NUM_CARGO];
  46                 char capacity[512];
  47
  48                 memset(subtype_text, 0, sizeof(subtype_text));
  49
  50                 for (const Vehicle *u = v; u != NULL; u = u->Next()) {
  51                         max_cargo[u->cargo_type] += u->cargo_cap;
  52                         if (u->cargo_cap > 0) {
  53                                 StringID text = GetCargoSubtypeText(u);
  54                                 if (text != STR_EMPTY) subtype_text[u->cargo_type] = text;
  55                         }
  56                 }
  57
  58                 GetString(capacity, STR_VEHICLE_DETAILS_TRAIN_ARTICULATED_RV_CAPACITY, lastof(capacity));
  59
  60                 bool first = true;
  61                 for (CargoID i = 0; i < NUM_CARGO; i++) {
  62                         if (max_cargo[i] > 0) {
  63                                 char buffer[128];
  64
  65                                 SetDParam(0, i);
  66                                 SetDParam(1, max_cargo[i]);
  67                                 GetString(buffer, STR_JUST_CARGO, lastof(buffer));
  68
  69                                 if (!first) strecat(capacity, ", ", lastof(capacity));
  70                                 strecat(capacity, buffer, lastof(capacity));
  71
  72                                 if (subtype_text[i] != 0) {
  73                                         GetString(buffer, subtype_text[i], lastof(buffer));
  74                                         strecat(capacity, buffer, lastof(capacity));
  75                                 }
  76
  77                                 first = false;
  78                         }
  79                 }
  80
  81                 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, capacity, TC_BLUE);
  82
  83                 for (const Vehicle *u = v; u != NULL; u = u->Next()) {
  84                         if (u->cargo_cap == 0) continue;
  85
  86                         str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
  87                         if (u->cargo.StoredCount() > 0) {
  88                                 SetDParam(0, u->cargo_type);
  89                                 SetDParam(1, u->cargo.StoredCount());
  90                                 SetDParam(2, u->cargo.Source());
  91                                 str = STR_VEHICLE_DETAILS_CARGO_FROM;
  92                                 feeder_share += u->cargo.FeederShare();
  93                         }
  94                         DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
  95
  96                         y_offset += FONT_HEIGHT_NORMAL + 1;
  97                 }
  98
  99                 y_offset -= FONT_HEIGHT_NORMAL + 1;
 100         } else {
 101                 SetDParam(0, v->cargo_type);
 102                 SetDParam(1, v->cargo_cap);
 103                 SetDParam(4, GetCargoSubtypeText(v));
 104                 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, STR_VEHICLE_INFO_CAPACITY);
 105
 106                 str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
 107                 if (v->cargo.StoredCount() > 0) {
 108                         SetDParam(0, v->cargo_type);
 109                         SetDParam(1, v->cargo.StoredCount());
 110                         SetDParam(2, v->cargo.Source());
 111                         str = STR_VEHICLE_DETAILS_CARGO_FROM;
 112                         feeder_share += v->cargo.FeederShare();
 113                 }
 114                 DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
 115         }
 116
 117         /* Draw Transfer credits text */
 118         SetDParam(0, feeder_share);
 119         DrawString(left, right, y + 3 * FONT_HEIGHT_NORMAL + 3 + y_offset, STR_VEHICLE_INFO_FEEDER_CARGO_VALUE);
 120 }
 121
 122 /**
 123  * Draws an image of a road vehicle chain
 124  * @param v         Front vehicle
 125  * @param left      The minimum horizontal position
 126  * @param right     The maximum horizontal position
 127  * @param y         Vertical position to draw at
 128  * @param selection Selected vehicle to draw a frame around
 129  * @param skip      Number of pixels to skip at the front (for scrolling)
 130  */
 131 void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip)
 132 {
 133         bool rtl = _current_text_dir == TD_RTL;
 134         Direction dir = rtl ? DIR_E : DIR_W;
 135         const RoadVehicle *u = RoadVehicle::From(v);
 136
 137         DrawPixelInfo tmp_dpi, *old_dpi;
 138         int max_width = right - left + 1;
 139
 140         if (!FillDrawPixelInfo(&tmp_dpi, left, y, max_width, ScaleGUITrad(14))) return;
 141
 142         old_dpi = _cur_dpi;
 143         _cur_dpi = &tmp_dpi;
 144
 145         int px = rtl ? max_width + skip : -skip;
 146         for (; u != NULL && (rtl ? px > 0 : px < max_width); u = u->Next()) {
 147                 Point offset;
 148                 int width = u->GetDisplayImageWidth(&offset);
 149
 150                 if (rtl ? px + width > 0 : px - width < max_width) {
 151                         PaletteID pal = (u->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(u);
 152                         VehicleSpriteSeq seq;
 153                         u->GetImage(dir, image_type, &seq);
 154                         seq.Draw(px + (rtl ? -offset.x : offset.x), ScaleGUITrad(6) + offset.y, pal, (u->vehstatus & VS_CRASHED) != 0);
 155                 }
 156
 157                 px += rtl ? -width : width;
 158         }
 159
 160         if (v->index == selection) {
 161                 DrawFrameRect((rtl ? px : 0), 0, (rtl ? max_width : px) - 1, ScaleGUITrad(13) - 1, COLOUR_WHITE, FR_BORDERONLY);
 162         }
 163
 164         _cur_dpi = old_dpi;
 165 }