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Location: cpp/openttd-patchpack/source/src/bridge_gui.cpp - annotation
r10535:b3ce6f2e96f8
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(svn r14792) -Feature: make the date format for default savegame/screenshot names configurable
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/** @file bridge_gui.cpp Graphical user interface for bridge construction */
#include "stdafx.h"
#include "openttd.h"
#include "gui.h"
#include "window_gui.h"
#include "command_func.h"
#include "economy_func.h"
#include "variables.h"
#include "bridge.h"
#include "strings_func.h"
#include "window_func.h"
#include "sound_func.h"
#include "map_func.h"
#include "viewport_func.h"
#include "gfx_func.h"
#include "tunnelbridge.h"
#include "sortlist_type.h"
#include "widgets/dropdown_func.h"
#include "table/strings.h"
/**
* 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;
/**
* Callback executed after a build Bridge CMD has been called
*
* @param scucess True if the build succeded
* @param tile The tile where the command has been executed
* @param p1 not used
* @param p2 not used
*/
void CcBuildBridge(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
if (success) SndPlayTileFx(SND_27_BLACKSMITH_ANVIL, tile);
}
/* Names of the build bridge selection window */
enum BuildBridgeSelectionWidgets {
BBSW_CLOSEBOX = 0,
BBSW_CAPTION,
BBSW_DROPDOWN_ORDER,
BBSW_DROPDOWN_CRITERIA,
BBSW_BRIDGE_LIST,
BBSW_SCROLLBAR,
BBSW_RESIZEBOX
};
class BuildBridgeWindow : public Window {
private:
/* Runtime saved values */
static uint16 last_size;
static Listing last_sorting;
/* Constants for sorting the bridges */
static const StringID sorter_names[];
static GUIBridgeList::SortFunction *const sorter_funcs[];
/* Internal variables */
TileIndex start_tile;
TileIndex end_tile;
uint32 type;
GUIBridgeList *bridges;
/** Sort the bridges by their index */
static int CDECL BridgeIndexSorter(const BuildBridgeData *a, const BuildBridgeData *b)
{
return a->index - b->index;
}
/** Sort the bridges by their price */
static int CDECL BridgePriceSorter(const BuildBridgeData *a, const BuildBridgeData *b)
{
return a->cost - b->cost;
}
/** Sort the bridges by their maximum speed */
static int CDECL BridgeSpeedSorter(const BuildBridgeData *a, const BuildBridgeData *b)
{
return a->spec->speed - b->spec->speed;
}
void BuildBridge(uint8 i)
{
DoCommandP(this->end_tile, this->start_tile, this->type | this->bridges->Get(i)->index,
CMD_BUILD_BRIDGE | CMD_MSG(STR_5015_CAN_T_BUILD_BRIDGE_HERE), CcBuildBridge);
}
/** Sort the builable bridges */
void SortBridgeList()
{
this->bridges->Sort();
/* Display the current sort variant */
this->widget[BBSW_DROPDOWN_CRITERIA].data = this->sorter_names[this->bridges->SortType()];
/* Set the modified widgets dirty */
this->InvalidateWidget(BBSW_DROPDOWN_CRITERIA);
this->InvalidateWidget(BBSW_BRIDGE_LIST);
}
public:
BuildBridgeWindow(const WindowDesc *desc, TileIndex start, TileIndex end, uint32 br_type, GUIBridgeList *bl) : Window(desc),
start_tile(start),
end_tile(end),
type(br_type),
bridges(bl)
{
this->bridges->SetListing(this->last_sorting);
this->bridges->SetSortFuncs(this->sorter_funcs);
this->bridges->NeedResort();
this->SortBridgeList();
/* Change the data, or the caption of the gui. Set it to road or rail, accordingly */
this->widget[BBSW_CAPTION].data = (GB(this->type, 15, 2) == TRANSPORT_ROAD) ? STR_1803_SELECT_ROAD_BRIDGE : STR_100D_SELECT_RAIL_BRIDGE;
this->resize.step_height = 22;
this->vscroll.count = bl->Length();
if (this->last_size <= 4) {
this->vscroll.cap = 4;
} else {
/* Resize the bridge selection window if we used a bigger one the last time */
this->vscroll.cap = min(this->last_size, this->vscroll.count);
ResizeWindow(this, 0, (this->vscroll.cap - 4) * this->resize.step_height);
}
this->FindWindowPlacementAndResize(desc);
}
~BuildBridgeWindow()
{
this->last_sorting = this->bridges->GetListing();
delete bridges;
}
virtual void OnPaint()
{
this->DrawWidgets();
this->DrawSortButtonState(BBSW_DROPDOWN_ORDER, this->bridges->IsDescSortOrder() ? SBS_DOWN : SBS_UP);
uint y = this->widget[BBSW_BRIDGE_LIST].top + 2;
for (int i = this->vscroll.pos; (i < (this->vscroll.cap + this->vscroll.pos)) && (i < (int)this->bridges->Length()); i++) {
const BridgeSpec *b = this->bridges->Get(i)->spec;
SetDParam(2, this->bridges->Get(i)->cost);
SetDParam(1, b->speed * 10 / 16);
SetDParam(0, b->material);
DrawSprite(b->sprite, b->pal, 3, y);
DrawString(44, y, STR_500D, TC_FROMSTRING);
y += this->resize.step_height;
}
}
virtual EventState OnKeyPress(uint16 key, uint16 keycode)
{
const uint8 i = keycode - '1';
if (i < 9 && i < this->bridges->Length()) {
/* Build the requested bridge */
this->BuildBridge(i);
delete this;
return ES_HANDLED;
}
return ES_NOT_HANDLED;
}
virtual void OnClick(Point pt, int widget)
{
switch (widget) {
default: break;
case BBSW_BRIDGE_LIST: {
uint i = ((int)pt.y - this->widget[BBSW_BRIDGE_LIST].top) / this->resize.step_height;
if (i < this->vscroll.cap) {
i += this->vscroll.pos;
if (i < this->bridges->Length()) {
this->BuildBridge(i);
delete this;
}
}
} break;
case BBSW_DROPDOWN_ORDER:
this->bridges->ToggleSortOrder();
this->SetDirty();
break;
case BBSW_DROPDOWN_CRITERIA:
ShowDropDownMenu(this, this->sorter_names, this->bridges->SortType(), BBSW_DROPDOWN_CRITERIA, 0, 0);
break;
}
}
virtual void OnDropdownSelect(int widget, int index)
{
if (widget == BBSW_DROPDOWN_CRITERIA && this->bridges->SortType() != index) {
this->bridges->SetSortType(index);
this->SortBridgeList();
}
}
virtual void OnResize(Point new_size, Point delta)
{
this->vscroll.cap += delta.y / (int)this->resize.step_height;
this->widget[BBSW_BRIDGE_LIST].data = (this->vscroll.cap << 8) + 1;
SetVScrollCount(this, this->bridges->Length());
this->last_size = max(this->vscroll.cap, this->last_size);
}
};
/* Set the default size of the Build Bridge Window */
uint16 BuildBridgeWindow::last_size = 4;
/* Set the default sorting for the bridges */
Listing BuildBridgeWindow::last_sorting = {false, 0};
/* Availible 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_ENGINE_SORT_COST,
STR_SORT_BY_MAX_SPEED,
INVALID_STRING_ID
};
/* Widget definition for the rail bridge selection window */
static const Widget _build_bridge_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, COLOUR_DARK_GREEN, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW}, // BBSW_CLOSEBOX
{ WWT_CAPTION, RESIZE_NONE, COLOUR_DARK_GREEN, 11, 199, 0, 13, STR_100D_SELECT_RAIL_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS}, // BBSW_CAPTION
{ WWT_TEXTBTN, RESIZE_NONE, COLOUR_DARK_GREEN, 0, 80, 14, 25, STR_SORT_BY, STR_SORT_ORDER_TIP}, // BBSW_DROPDOWN_ORDER
{ WWT_DROPDOWN, RESIZE_NONE, COLOUR_DARK_GREEN, 81, 199, 14, 25, 0x0, STR_SORT_CRITERIA_TIP}, // BBSW_DROPDOWN_CRITERIA
{ WWT_MATRIX, RESIZE_BOTTOM, COLOUR_DARK_GREEN, 0, 187, 26, 113, 0x401, STR_101F_BRIDGE_SELECTION_CLICK}, // BBSW_BRIDGE_LIST
{ WWT_SCROLLBAR, RESIZE_BOTTOM, COLOUR_DARK_GREEN, 188, 199, 26, 101, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST}, // BBSW_SCROLLBAR
{ WWT_RESIZEBOX, RESIZE_TB, COLOUR_DARK_GREEN, 188, 199, 102, 113, 0x0, STR_RESIZE_BUTTON}, // BBSW_RESIZEBOX
{ WIDGETS_END},
};
/* Window definition for the rail bridge selection window */
static const WindowDesc _build_bridge_desc = {
WDP_AUTO, WDP_AUTO, 200, 114, 200, 114,
WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESIZABLE,
_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.
*
* @parma 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)
{
DeleteWindowById(WC_BUILD_BRIDGE, 0);
/* Data type for the bridge.
* Bit 16,15 = transport type,
* 14..8 = road/rail types,
* 7..0 = type of bridge */
uint32 type = (transport_type << 15) | (road_rail_type << 8);
/* 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 = DoCommand(end, start, type, DC_AUTO | DC_QUERY_COST, CMD_BUILD_BRIDGE);
GUIBridgeList *bl = NULL;
if (CmdFailed(ret)) {
errmsg = _error_message;
} else {
/* check which bridges can be built
* get absolute bridge length
* length of the middle parts of the bridge */
const uint bridge_len = GetTunnelBridgeLength(start, end);
/* total length of bridge */
const uint tot_bridgedata_len = CalcBridgeLenCostFactor(bridge_len + 2);
bl = new GUIBridgeList();
/* loop for all bridgetypes */
for (BridgeType brd_type = 0; brd_type != MAX_BRIDGES; brd_type++) {
if (CheckBridge_Stuff(brd_type, bridge_len)) {
/* bridge is accepted, add to list */
BuildBridgeData *item = bl->Append();
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)tot_bridgedata_len * _price.build_bridge * item->spec->price) >> 8);
}
}
}
if (bl != NULL && bl->Length() != 0) {
new BuildBridgeWindow(&_build_bridge_desc, start, end, type, bl);
} else {
if (bl != NULL) delete bl;
ShowErrorMessage(errmsg, STR_5015_CAN_T_BUILD_BRIDGE_HERE, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
}
}
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