src/roadveh_gui.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file roadveh_gui.cpp GUI for road vehicles. */
   9
  10 #include "stdafx.h"
  11 #include "roadveh.h"
  12 #include "window_gui.h"
  13 #include "strings_func.h"
  14 #include "vehicle_func.h"
  15 #include "string_func.h"
  16 #include "zoom_func.h"
  17
  18 #include "table/strings.h"
  19
  20 #include "safeguards.h"
  21
  22 /**
  23  * Draw the details for the given vehicle at the given position
  24  *
  25  * @param v     current vehicle
  26  * @param left  The left most coordinate to draw
  27  * @param right The right most coordinate to draw
  28  * @param y     The y coordinate
  29  */
  30 void DrawRoadVehDetails(const Vehicle *v, int left, int right, int y)
  31 {
  32         uint y_offset = v->HasArticulatedPart() ? ScaleGUITrad(15) : 0; // Draw the first line below the sprite of an articulated RV instead of after it.
  33         StringID str;
  34         Money feeder_share = 0;
  35
  36         SetDParam(0, v->engine_type);
  37         SetDParam(1, v->build_year);
  38         SetDParam(2, v->value);
  39         DrawString(left, right, y + y_offset, STR_VEHICLE_INFO_BUILT_VALUE);
  40
  41         if (v->HasArticulatedPart()) {
  42                 CargoArray max_cargo;
  43                 StringID subtype_text[NUM_CARGO];
  44                 char capacity[512];
  45
  46                 memset(subtype_text, 0, sizeof(subtype_text));
  47
  48                 for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
  49                         max_cargo[u->cargo_type] += u->cargo_cap;
  50                         if (u->cargo_cap > 0) {
  51                                 StringID text = GetCargoSubtypeText(u);
  52                                 if (text != STR_EMPTY) subtype_text[u->cargo_type] = text;
  53                         }
  54                 }
  55
  56                 GetString(capacity, STR_VEHICLE_DETAILS_TRAIN_ARTICULATED_RV_CAPACITY, lastof(capacity));
  57
  58                 bool first = true;
  59                 for (CargoID i = 0; i < NUM_CARGO; i++) {
  60                         if (max_cargo[i] > 0) {
  61                                 char buffer[128];
  62
  63                                 SetDParam(0, i);
  64                                 SetDParam(1, max_cargo[i]);
  65                                 GetString(buffer, STR_JUST_CARGO, lastof(buffer));
  66
  67                                 if (!first) strecat(capacity, ", ", lastof(capacity));
  68                                 strecat(capacity, buffer, lastof(capacity));
  69
  70                                 if (subtype_text[i] != 0) {
  71                                         GetString(buffer, subtype_text[i], lastof(buffer));
  72                                         strecat(capacity, buffer, lastof(capacity));
  73                                 }
  74
  75                                 first = false;
  76                         }
  77                 }
  78
  79                 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, capacity, TC_BLUE);
  80
  81                 for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
  82                         if (u->cargo_cap == 0) continue;
  83
  84                         str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
  85                         if (u->cargo.StoredCount() > 0) {
  86                                 SetDParam(0, u->cargo_type);
  87                                 SetDParam(1, u->cargo.StoredCount());
  88                                 SetDParam(2, u->cargo.Source());
  89                                 str = STR_VEHICLE_DETAILS_CARGO_FROM;
  90                                 feeder_share += u->cargo.FeederShare();
  91                         }
  92                         DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
  93
  94                         y_offset += FONT_HEIGHT_NORMAL + 1;
  95                 }
  96
  97                 y_offset -= FONT_HEIGHT_NORMAL + 1;
  98         } else {
  99                 SetDParam(0, v->cargo_type);
 100                 SetDParam(1, v->cargo_cap);
 101                 SetDParam(4, GetCargoSubtypeText(v));
 102                 DrawString(left, right, y + FONT_HEIGHT_NORMAL + y_offset, STR_VEHICLE_INFO_CAPACITY);
 103
 104                 str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
 105                 if (v->cargo.StoredCount() > 0) {
 106                         SetDParam(0, v->cargo_type);
 107                         SetDParam(1, v->cargo.StoredCount());
 108                         SetDParam(2, v->cargo.Source());
 109                         str = STR_VEHICLE_DETAILS_CARGO_FROM;
 110                         feeder_share += v->cargo.FeederShare();
 111                 }
 112                 DrawString(left, right, y + 2 * FONT_HEIGHT_NORMAL + 1 + y_offset, str);
 113         }
 114
 115         /* Draw Transfer credits text */
 116         SetDParam(0, feeder_share);
 117         DrawString(left, right, y + 3 * FONT_HEIGHT_NORMAL + 3 + y_offset, STR_VEHICLE_INFO_FEEDER_CARGO_VALUE);
 118 }
 119
 120 /**
 121  * Draws an image of a road vehicle chain
 122  * @param v         Front vehicle
 123  * @param left      The minimum horizontal position
 124  * @param right     The maximum horizontal position
 125  * @param y         Vertical position to draw at
 126  * @param selection Selected vehicle to draw a frame around
 127  * @param skip      Number of pixels to skip at the front (for scrolling)
 128  */
 129 void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip)
 130 {
 131         bool rtl = _current_text_dir == TD_RTL;
 132         Direction dir = rtl ? DIR_E : DIR_W;
 133         const RoadVehicle *u = RoadVehicle::From(v);
 134
 135         DrawPixelInfo tmp_dpi, *old_dpi;
 136         int max_width = right - left + 1;
 137
 138         if (!FillDrawPixelInfo(&tmp_dpi, left, y, max_width, ScaleGUITrad(14))) return;
 139
 140         old_dpi = _cur_dpi;
 141         _cur_dpi = &tmp_dpi;
 142
 143         int px = rtl ? max_width + skip : -skip;
 144         for (; u != nullptr && (rtl ? px > 0 : px < max_width); u = u->Next()) {
 145                 Point offset;
 146                 int width = u->GetDisplayImageWidth(&offset);
 147
 148                 if (rtl ? px + width > 0 : px - width < max_width) {
 149                         PaletteID pal = (u->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(u);
 150                         VehicleSpriteSeq seq;
 151                         u->GetImage(dir, image_type, &seq);
 152                         seq.Draw(px + (rtl ? -offset.x : offset.x), ScaleGUITrad(6) + offset.y, pal, (u->vehstatus & VS_CRASHED) != 0);
 153                 }
 154
 155                 px += rtl ? -width : width;
 156         }
 157
 158         if (v->index == selection) {
 159                 DrawFrameRect((rtl ? px : 0), 0, (rtl ? max_width : px) - 1, ScaleGUITrad(13) - 1, COLOUR_WHITE, FR_BORDERONLY);
 160         }
 161
 162         _cur_dpi = old_dpi;
 163 }