Files
@ r28486:aff297ed5a05
Branch filter:
Location: cpp/openttd-patchpack/source/src/bridge_gui.cpp
r28486:aff297ed5a05
16.1 KiB
text/x-c
Codechange: Allow constexpr NWidgetPart construction.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 | /*
* 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 <http://www.gnu.org/licenses/>.
*/
/** @file bridge_gui.cpp Graphical user interface for bridge construction */
#include "stdafx.h"
#include "error.h"
#include "command_func.h"
#include "rail.h"
#include "road.h"
#include "strings_func.h"
#include "window_func.h"
#include "sound_func.h"
#include "gfx_func.h"
#include "tunnelbridge.h"
#include "sortlist_type.h"
#include "widgets/dropdown_func.h"
#include "core/geometry_func.hpp"
#include "tunnelbridge_map.h"
#include "road_gui.h"
#include "tunnelbridge_cmd.h"
#include "widgets/bridge_widget.h"
#include "table/strings.h"
#include "safeguards.h"
/** The type of the last built rail bridge */
static BridgeType _last_railbridge_type = 0;
/** The type of the last built road bridge */
static BridgeType _last_roadbridge_type = 0;
/**
* Carriage for the data we need if we want to build a bridge
*/
struct BuildBridgeData {
BridgeType index;
const BridgeSpec *spec;
Money cost;
};
typedef GUIList<BuildBridgeData> GUIBridgeList; ///< List of bridges, used in #BuildBridgeWindow.
/**
* Callback executed after a build Bridge CMD has been called
*
* @param result Whether the build succeeded
* @param end_tile End tile of the bridge.
* @param tile_start start tile
* @param transport_type transport type.
*/
void CcBuildBridge(Commands, const CommandCost &result, TileIndex end_tile, TileIndex tile_start, TransportType transport_type, BridgeType, byte)
{
if (result.Failed()) return;
if (_settings_client.sound.confirm) SndPlayTileFx(SND_27_CONSTRUCTION_BRIDGE, end_tile);
if (transport_type == TRANSPORT_ROAD) {
DiagDirection end_direction = ReverseDiagDir(GetTunnelBridgeDirection(end_tile));
ConnectRoadToStructure(end_tile, end_direction);
DiagDirection start_direction = ReverseDiagDir(GetTunnelBridgeDirection(tile_start));
ConnectRoadToStructure(tile_start, start_direction);
}
}
/** Window class for handling the bridge-build GUI. */
class BuildBridgeWindow : public Window {
private:
/* Runtime saved values */
static Listing last_sorting; ///< Last setting of the sort.
/* Constants for sorting the bridges */
static const StringID sorter_names[];
static GUIBridgeList::SortFunction * const sorter_funcs[];
/* Internal variables */
TileIndex start_tile;
TileIndex end_tile;
TransportType transport_type;
byte road_rail_type;
GUIBridgeList bridges;
int icon_width; ///< Scaled width of the the bridge icon sprite.
Scrollbar *vscroll;
/** Sort the bridges by their index */
static bool BridgeIndexSorter(const BuildBridgeData &a, const BuildBridgeData &b)
{
return a.index < b.index;
}
/** Sort the bridges by their price */
static bool BridgePriceSorter(const BuildBridgeData &a, const BuildBridgeData &b)
{
return a.cost < b.cost;
}
/** Sort the bridges by their maximum speed */
static bool BridgeSpeedSorter(const BuildBridgeData &a, const BuildBridgeData &b)
{
return a.spec->speed < b.spec->speed;
}
void BuildBridge(BridgeType type)
{
switch (this->transport_type) {
case TRANSPORT_RAIL: _last_railbridge_type = type; break;
case TRANSPORT_ROAD: _last_roadbridge_type = type; break;
default: break;
}
Command<CMD_BUILD_BRIDGE>::Post(STR_ERROR_CAN_T_BUILD_BRIDGE_HERE, CcBuildBridge,
this->end_tile, this->start_tile, this->transport_type, type, this->road_rail_type);
}
/** Sort the builable bridges */
void SortBridgeList()
{
this->bridges.Sort();
/* Display the current sort variant */
this->GetWidget<NWidgetCore>(WID_BBS_DROPDOWN_CRITERIA)->widget_data = this->sorter_names[this->bridges.SortType()];
/* Set the modified widgets dirty */
this->SetWidgetDirty(WID_BBS_DROPDOWN_CRITERIA);
this->SetWidgetDirty(WID_BBS_BRIDGE_LIST);
}
/**
* Get the StringID to draw in the selection list and set the appropriate DParams.
* @param bridge_data the bridge to get the StringID of.
* @return the StringID.
*/
StringID GetBridgeSelectString(const BuildBridgeData &bridge_data) const
{
SetDParam(0, bridge_data.spec->material);
SetDParam(1, PackVelocity(bridge_data.spec->speed, static_cast<VehicleType>(this->transport_type)));
SetDParam(2, bridge_data.cost);
/* If the bridge has no meaningful speed limit, don't display it. */
if (bridge_data.spec->speed == UINT16_MAX) {
return _game_mode == GM_EDITOR ? STR_SELECT_BRIDGE_INFO_NAME : STR_SELECT_BRIDGE_INFO_NAME_COST;
}
return _game_mode == GM_EDITOR ? STR_SELECT_BRIDGE_INFO_NAME_MAX_SPEED : STR_SELECT_BRIDGE_INFO_NAME_MAX_SPEED_COST;
}
public:
BuildBridgeWindow(WindowDesc *desc, TileIndex start, TileIndex end, TransportType transport_type, byte road_rail_type, GUIBridgeList &&bl) : Window(desc),
start_tile(start),
end_tile(end),
transport_type(transport_type),
road_rail_type(road_rail_type),
bridges(std::move(bl))
{
this->CreateNestedTree();
this->vscroll = this->GetScrollbar(WID_BBS_SCROLLBAR);
/* Change the data, or the caption of the gui. Set it to road or rail, accordingly. */
this->GetWidget<NWidgetCore>(WID_BBS_CAPTION)->widget_data = (transport_type == TRANSPORT_ROAD) ? STR_SELECT_ROAD_BRIDGE_CAPTION : STR_SELECT_RAIL_BRIDGE_CAPTION;
this->FinishInitNested(transport_type); // Initializes 'this->icon_width'.
this->parent = FindWindowById(WC_BUILD_TOOLBAR, transport_type);
this->bridges.SetListing(this->last_sorting);
this->bridges.SetSortFuncs(this->sorter_funcs);
this->bridges.NeedResort();
this->SortBridgeList();
this->vscroll->SetCount(this->bridges.size());
}
~BuildBridgeWindow()
{
this->last_sorting = this->bridges.GetListing();
}
void UpdateWidgetSize(WidgetID widget, Dimension *size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension *fill, [[maybe_unused]] Dimension *resize) override
{
switch (widget) {
case WID_BBS_DROPDOWN_ORDER: {
Dimension d = GetStringBoundingBox(this->GetWidget<NWidgetCore>(widget)->widget_data);
d.width += padding.width + Window::SortButtonWidth() * 2; // Doubled since the string is centred and it also looks better.
d.height += padding.height;
*size = maxdim(*size, d);
break;
}
case WID_BBS_DROPDOWN_CRITERIA: {
Dimension d = {0, 0};
for (const StringID *str = this->sorter_names; *str != INVALID_STRING_ID; str++) {
d = maxdim(d, GetStringBoundingBox(*str));
}
d.width += padding.width;
d.height += padding.height;
*size = maxdim(*size, d);
break;
}
case WID_BBS_BRIDGE_LIST: {
Dimension sprite_dim = {0, 0}; // Biggest bridge sprite dimension
Dimension text_dim = {0, 0}; // Biggest text dimension
for (const BuildBridgeData &bridge_data : this->bridges) {
sprite_dim = maxdim(sprite_dim, GetScaledSpriteSize(bridge_data.spec->sprite));
text_dim = maxdim(text_dim, GetStringBoundingBox(GetBridgeSelectString(bridge_data)));
}
resize->height = std::max(sprite_dim.height, text_dim.height) + padding.height; // Max of both sizes + account for matrix edges.
this->icon_width = sprite_dim.width; // Width of bridge icon.
size->width = this->icon_width + WidgetDimensions::scaled.hsep_normal + text_dim.width + padding.width;
size->height = 4 * resize->height; // Smallest bridge gui is 4 entries high in the matrix.
break;
}
}
}
Point OnInitialPosition([[maybe_unused]] int16_t sm_width, [[maybe_unused]] int16_t sm_height, [[maybe_unused]] int window_number) override
{
/* Position the window so hopefully the first bridge from the list is under the mouse pointer. */
NWidgetBase *list = this->GetWidget<NWidgetBase>(WID_BBS_BRIDGE_LIST);
Point corner; // point of the top left corner of the window.
corner.y = Clamp(_cursor.pos.y - list->pos_y - 5, GetMainViewTop(), GetMainViewBottom() - sm_height);
corner.x = Clamp(_cursor.pos.x - list->pos_x - 5, 0, _screen.width - sm_width);
return corner;
}
void DrawWidget(const Rect &r, WidgetID widget) const override
{
switch (widget) {
case WID_BBS_DROPDOWN_ORDER:
this->DrawSortButtonState(widget, this->bridges.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
break;
case WID_BBS_BRIDGE_LIST: {
Rect tr = r.WithHeight(this->resize.step_height).Shrink(WidgetDimensions::scaled.matrix);
bool rtl = _current_text_dir == TD_RTL;
for (int i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < (int)this->bridges.size(); i++) {
const BuildBridgeData &bridge_data = this->bridges.at(i);
const BridgeSpec *b = bridge_data.spec;
DrawSpriteIgnorePadding(b->sprite, b->pal, tr.WithWidth(this->icon_width, rtl), SA_HOR_CENTER | SA_BOTTOM);
DrawStringMultiLine(tr.Indent(this->icon_width + WidgetDimensions::scaled.hsep_normal, rtl), GetBridgeSelectString(bridge_data));
tr = tr.Translate(0, this->resize.step_height);
}
break;
}
}
}
EventState OnKeyPress([[maybe_unused]] char32_t key, uint16_t keycode) override
{
const uint8_t i = keycode - '1';
if (i < 9 && i < this->bridges.size()) {
/* Build the requested bridge */
this->BuildBridge(this->bridges[i].index);
this->Close();
return ES_HANDLED;
}
return ES_NOT_HANDLED;
}
void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
{
switch (widget) {
default: break;
case WID_BBS_BRIDGE_LIST: {
auto it = this->vscroll->GetScrolledItemFromWidget(this->bridges, pt.y, this, WID_BBS_BRIDGE_LIST);
if (it != this->bridges.end()) {
this->BuildBridge(it->index);
this->Close();
}
break;
}
case WID_BBS_DROPDOWN_ORDER:
this->bridges.ToggleSortOrder();
this->SetDirty();
break;
case WID_BBS_DROPDOWN_CRITERIA:
ShowDropDownMenu(this, this->sorter_names, this->bridges.SortType(), WID_BBS_DROPDOWN_CRITERIA, 0, 0);
break;
}
}
void OnDropdownSelect(WidgetID widget, int index) override
{
if (widget == WID_BBS_DROPDOWN_CRITERIA && this->bridges.SortType() != index) {
this->bridges.SetSortType(index);
this->SortBridgeList();
}
}
void OnResize() override
{
this->vscroll->SetCapacityFromWidget(this, WID_BBS_BRIDGE_LIST);
}
};
/** Set the default sorting for the bridges */
Listing BuildBridgeWindow::last_sorting = {true, 2};
/** Available bridge sorting functions. */
GUIBridgeList::SortFunction * const BuildBridgeWindow::sorter_funcs[] = {
&BridgeIndexSorter,
&BridgePriceSorter,
&BridgeSpeedSorter
};
/** Names of the sorting functions. */
const StringID BuildBridgeWindow::sorter_names[] = {
STR_SORT_BY_NUMBER,
STR_SORT_BY_COST,
STR_SORT_BY_MAX_SPEED,
INVALID_STRING_ID
};
/** Widgets of the bridge gui. */
static const NWidgetPart _nested_build_bridge_widgets[] = {
/* Header */
NWidget(NWID_HORIZONTAL),
NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN),
NWidget(WWT_CAPTION, COLOUR_DARK_GREEN, WID_BBS_CAPTION), SetDataTip(STR_SELECT_RAIL_BRIDGE_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
NWidget(WWT_DEFSIZEBOX, COLOUR_DARK_GREEN),
EndContainer(),
NWidget(NWID_HORIZONTAL),
NWidget(NWID_VERTICAL),
/* Sort order + criteria buttons */
NWidget(NWID_HORIZONTAL),
NWidget(WWT_TEXTBTN, COLOUR_DARK_GREEN, WID_BBS_DROPDOWN_ORDER), SetFill(1, 0), SetDataTip(STR_BUTTON_SORT_BY, STR_TOOLTIP_SORT_ORDER),
NWidget(WWT_DROPDOWN, COLOUR_DARK_GREEN, WID_BBS_DROPDOWN_CRITERIA), SetFill(1, 0), SetDataTip(0x0, STR_TOOLTIP_SORT_CRITERIA),
EndContainer(),
/* Matrix. */
NWidget(WWT_MATRIX, COLOUR_DARK_GREEN, WID_BBS_BRIDGE_LIST), SetFill(1, 0), SetResize(0, 22), SetMatrixDataTip(1, 0, STR_SELECT_BRIDGE_SELECTION_TOOLTIP), SetScrollbar(WID_BBS_SCROLLBAR),
EndContainer(),
/* scrollbar + resize button */
NWidget(NWID_VERTICAL),
NWidget(NWID_VSCROLLBAR, COLOUR_DARK_GREEN, WID_BBS_SCROLLBAR),
NWidget(WWT_RESIZEBOX, COLOUR_DARK_GREEN),
EndContainer(),
EndContainer(),
};
/** Window definition for the rail bridge selection window. */
static WindowDesc _build_bridge_desc(__FILE__, __LINE__,
WDP_AUTO, "build_bridge", 200, 114,
WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
WDF_CONSTRUCTION,
std::begin(_nested_build_bridge_widgets), std::end(_nested_build_bridge_widgets)
);
/**
* Prepare the data for the build a bridge window.
* If we can't build a bridge under the given conditions
* show an error message.
*
* @param start The start tile of the bridge
* @param end The end tile of the bridge
* @param transport_type The transport type
* @param road_rail_type The road/rail type
*/
void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType transport_type, byte road_rail_type)
{
CloseWindowByClass(WC_BUILD_BRIDGE);
/* The bridge length without ramps. */
const uint bridge_len = GetTunnelBridgeLength(start, end);
/* If Ctrl is being pressed, check whether the last bridge built is available
* If so, return this bridge type. Otherwise continue normally.
* We store bridge types for each transport type, so we have to check for
* the transport type beforehand.
*/
BridgeType last_bridge_type = 0;
switch (transport_type) {
case TRANSPORT_ROAD: last_bridge_type = _last_roadbridge_type; break;
case TRANSPORT_RAIL: last_bridge_type = _last_railbridge_type; break;
default: break; // water ways and air routes don't have bridge types
}
if (_ctrl_pressed && CheckBridgeAvailability(last_bridge_type, bridge_len).Succeeded()) {
Command<CMD_BUILD_BRIDGE>::Post(STR_ERROR_CAN_T_BUILD_BRIDGE_HERE, CcBuildBridge, end, start, transport_type, last_bridge_type, road_rail_type);
return;
}
/* only query bridge building possibility once, result is the same for all bridges!
* returns CMD_ERROR on failure, and price on success */
StringID errmsg = INVALID_STRING_ID;
CommandCost ret = Command<CMD_BUILD_BRIDGE>::Do(CommandFlagsToDCFlags(GetCommandFlags<CMD_BUILD_BRIDGE>()) | DC_QUERY_COST, end, start, transport_type, 0, road_rail_type);
GUIBridgeList bl;
if (ret.Failed()) {
errmsg = ret.GetErrorMessage();
} else {
/* check which bridges can be built */
const uint tot_bridgedata_len = CalcBridgeLenCostFactor(bridge_len + 2);
Money infra_cost = 0;
switch (transport_type) {
case TRANSPORT_ROAD: {
/* In case we add a new road type as well, we must be aware of those costs. */
RoadType road_rt = INVALID_ROADTYPE;
RoadType tram_rt = INVALID_ROADTYPE;
if (IsBridgeTile(start)) {
road_rt = GetRoadTypeRoad(start);
tram_rt = GetRoadTypeTram(start);
}
if (RoadTypeIsRoad((RoadType)road_rail_type)) {
road_rt = (RoadType)road_rail_type;
} else {
tram_rt = (RoadType)road_rail_type;
}
if (road_rt != INVALID_ROADTYPE) infra_cost += (bridge_len + 2) * 2 * RoadBuildCost(road_rt);
if (tram_rt != INVALID_ROADTYPE) infra_cost += (bridge_len + 2) * 2 * RoadBuildCost(tram_rt);
break;
}
case TRANSPORT_RAIL: infra_cost = (bridge_len + 2) * RailBuildCost((RailType)road_rail_type); break;
default: break;
}
bool any_available = false;
CommandCost type_check;
/* loop for all bridgetypes */
for (BridgeType brd_type = 0; brd_type != MAX_BRIDGES; brd_type++) {
type_check = CheckBridgeAvailability(brd_type, bridge_len);
if (type_check.Succeeded()) {
/* bridge is accepted, add to list */
BuildBridgeData &item = bl.emplace_back();
item.index = brd_type;
item.spec = GetBridgeSpec(brd_type);
/* Add to terraforming & bulldozing costs the cost of the
* bridge itself (not computed with DC_QUERY_COST) */
item.cost = ret.GetCost() + (((int64_t)tot_bridgedata_len * _price[PR_BUILD_BRIDGE] * item.spec->price) >> 8) + infra_cost;
any_available = true;
}
}
/* give error cause if no bridges available here*/
if (!any_available)
{
errmsg = type_check.GetErrorMessage();
}
}
if (!bl.empty()) {
new BuildBridgeWindow(&_build_bridge_desc, start, end, transport_type, road_rail_type, std::move(bl));
} else {
ShowErrorMessage(STR_ERROR_CAN_T_BUILD_BRIDGE_HERE, errmsg, WL_INFO, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
}
}
|