roadveh_gui.cpp

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/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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 <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#include "stdafx.h"
#include "core/backup_type.hpp"
#include "roadveh.h"
#include "window_gui.h"
#include "strings_func.h"
#include "vehicle_func.h"
#include "string_func.h"
#include "zoom_func.h"
 
#include "table/strings.h"
 
#include "safeguards.h"

void DrawRoadVehDetails(const Vehicle *v, const Rect &r)
{
  int y = r.top + (v->HasArticulatedPart() ? ScaleSpriteTrad(15) : 0); // Draw the first line below the sprite of an articulated RV instead of after it.
  Money feeder_share = 0;
 
  DrawString(r.left, r.right, y, GetString(STR_VEHICLE_INFO_BUILT_VALUE, PackEngineNameDParam(v->engine_type, EngineNameContext::VehicleDetails), v->build_year, v->value));
  y += GetCharacterHeight(FS_NORMAL);
 
  if (v->HasArticulatedPart()) {
    CargoArray max_cargo{};
    std::array<StringID, NUM_CARGO> subtype_text{};
 
    for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
      max_cargo[u->cargo_type] += u->cargo_cap;
      if (u->cargo_cap > 0) {
        StringID text = GetCargoSubtypeText(u);
        if (text != STR_EMPTY) subtype_text[u->cargo_type] = text;
      }
    }
 
    std::string capacity;
    std::string_view list_separator = GetListSeparator();
 
    bool first = true;
    for (const CargoSpec *cs : _sorted_cargo_specs) {
      CargoType cargo_type = cs->Index();
      if (max_cargo[cargo_type] > 0) {
        if (!first) capacity += list_separator;
 
        auto params = MakeParameters(cargo_type, max_cargo[cargo_type]);
        AppendStringWithArgsInPlace(capacity, STR_JUST_CARGO, params);
 
        if (subtype_text[cargo_type] != STR_NULL) {
          AppendStringInPlace(capacity, subtype_text[cargo_type]);
        }
 
        first = false;
      }
    }
 
    DrawString(r.left, r.right, y, GetString(STR_VEHICLE_DETAILS_TRAIN_ARTICULATED_RV_CAPACITY, capacity), TC_BLUE);
    y += GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.vsep_normal;
 
    for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
      if (u->cargo_cap == 0) continue;
 
      std::string str;
      if (u->cargo.StoredCount() > 0) {
        str = GetString(STR_VEHICLE_DETAILS_CARGO_FROM, u->cargo_type, u->cargo.StoredCount(), u->cargo.GetFirstStation());
        feeder_share += u->cargo.GetFeederShare();
      } else {
        str = GetString(STR_VEHICLE_DETAILS_CARGO_EMPTY);
      }
      DrawString(r.left, r.right, y, str);
      y += GetCharacterHeight(FS_NORMAL);
    }
    y += WidgetDimensions::scaled.vsep_normal;
  } else {
    DrawString(r.left, r.right, y, GetString(STR_VEHICLE_INFO_CAPACITY, v->cargo_type, v->cargo_cap, GetCargoSubtypeText(v)));
    y += GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.vsep_normal;
 
    std::string str;
    if (v->cargo.StoredCount() > 0) {
      str = GetString(STR_VEHICLE_DETAILS_CARGO_FROM, v->cargo_type, v->cargo.StoredCount(), v->cargo.GetFirstStation());
      feeder_share += v->cargo.GetFeederShare();
    } else {
      str = GetString(STR_VEHICLE_DETAILS_CARGO_EMPTY);
    }
    DrawString(r.left, r.right, y, str);
    y += GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.vsep_normal;
  }
 
  /* Draw Transfer credits text */
  DrawString(r.left, r.right, y, GetString(STR_VEHICLE_INFO_FEEDER_CARGO_VALUE, feeder_share));
}

void DrawRoadVehImage(const Vehicle *v, const Rect &r, VehicleID selection, EngineImageType image_type, int skip)
{
  bool rtl = _current_text_dir == TD_RTL;
  Direction dir = rtl ? DIR_E : DIR_W;
  const RoadVehicle *u = RoadVehicle::From(v);
 
  DrawPixelInfo tmp_dpi;
  int max_width = r.Width();
 
  if (!FillDrawPixelInfo(&tmp_dpi, r)) return;
 
  AutoRestoreBackup dpi_backup(_cur_dpi, &tmp_dpi);
 
  bool do_overlays = ShowCargoIconOverlay();
  /* List of overlays, only used if cargo icon overlays are enabled. */
  static std::vector<CargoIconOverlay> overlays;
 
  int px = rtl ? max_width + skip : -skip;
  int y = r.Height() / 2;
  for (; u != nullptr && (rtl ? px > 0 : px < max_width); u = u->Next())
  {
    Point offset;
    int width = u->GetDisplayImageWidth(&offset);
 
    if (rtl ? px + width > 0 : px - width < max_width) {
      PaletteID pal = u->vehstatus.Test(VehState::Crashed) ? PALETTE_CRASH : GetVehiclePalette(u);
      VehicleSpriteSeq seq;
      u->GetImage(dir, image_type, &seq);
      seq.Draw(px + (rtl ? -offset.x : offset.x), y + offset.y, pal, u->vehstatus.Test(VehState::Crashed));
    }
 
    if (do_overlays) AddCargoIconOverlay(overlays, px, width, u);
    px += rtl ? -width : width;
  }
 
  if (do_overlays) {
    DrawCargoIconOverlays(overlays, y);
    overlays.clear();
  }
 
  if (v->index == selection) {
    int height = ScaleSpriteTrad(12);
    Rect hr = {(rtl ? px : 0), 0, (rtl ? max_width : px) - 1, height - 1};
    DrawFrameRect(hr.Translate(r.left, CentreBounds(r.top, r.bottom, height)).Expand(WidgetDimensions::scaled.bevel), COLOUR_WHITE, FrameFlag::BorderOnly);
  }
}