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Location: cpp/openttd-patchpack/source/src/bridge_gui.cpp
r9284:77d3847df580
7.8 KiB
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(svn r13150) -Codechange: make classes of the Music[TrackSelection]Window.
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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 "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_BRIDGE_LIST,
BBSW_SCROLLBAR,
BBSW_RESIZEBOX
};
class BuildBridgeWindow : public Window {
private:
/* The last size of the build bridge window
* is saved during runtime */
static uint8 last_size;
TileIndex start_tile;
TileIndex end_tile;
uint32 type;
const GUIBridgeList *bridges;
void BuildBridge(uint8 i)
{
DoCommandP(this->end_tile, this->start_tile, this->type | this->bridges->sort_list[i].index,
CcBuildBridge, CMD_BUILD_BRIDGE | CMD_MSG(STR_5015_CAN_T_BUILD_BRIDGE_HERE));
}
public:
BuildBridgeWindow(const WindowDesc *desc, TileIndex start, TileIndex end, uint32 br_type, const GUIBridgeList *bl) : Window(desc),
start_tile(start),
end_tile(end),
type(br_type),
bridges(bl)
{
/* 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->list_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 = (this->vscroll.count > this->last_size) ? this->last_size : this->vscroll.count;
ResizeWindow(this, 0, (this->vscroll.cap - 4) * this->resize.step_height);
this->widget[BBSW_BRIDGE_LIST].data = (this->vscroll.cap << 8) + 1;
}
this->FindWindowPlacementAndResize(desc);
}
~BuildBridgeWindow()
{
free(this->bridges->sort_list);
delete bridges;
}
virtual void OnPaint()
{
this->DrawWidgets();
uint y = 15;
for (uint i = 0; (i < this->vscroll.cap) && ((i + this->vscroll.pos) < this->bridges->list_length); i++) {
const BridgeSpec *b = this->bridges->sort_list[i + this->vscroll.pos].spec;
SetDParam(2, this->bridges->sort_list[i + this->vscroll.pos].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 bool OnKeyPress(uint16 key, uint16 keycode)
{
const uint8 i = keycode - '1';
if (i < 9 && i < this->bridges->list_length) {
/* Build the requested bridge */
this->BuildBridge(i);
delete this;
return false;
}
return true;
}
virtual void OnClick(Point pt, int widget)
{
if (widget == BBSW_BRIDGE_LIST) {
uint i = ((int)pt.y - 14) / this->resize.step_height;
if (i < this->vscroll.cap) {
i += this->vscroll.pos;
if (i < this->bridges->list_length) {
this->BuildBridge(i);
delete this;
}
}
}
}
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->list_length);
this->last_size = this->vscroll.cap;
}
};
/* Set the default size of the Build Bridge Window */
uint8 BuildBridgeWindow::last_size = 4;
/* Widget definition for the rail bridge selection window */
static const Widget _build_bridge_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, 7, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW}, // BBSW_CLOSEBOX
{ WWT_CAPTION, RESIZE_NONE, 7, 11, 199, 0, 13, STR_100D_SELECT_RAIL_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS}, // BBSW_CAPTION
{ WWT_MATRIX, RESIZE_BOTTOM, 7, 0, 187, 14, 101, 0x401, STR_101F_BRIDGE_SELECTION_CLICK}, // BBSW_BRIDGE_LIST
{ WWT_SCROLLBAR, RESIZE_BOTTOM, 7, 188, 199, 14, 89, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST}, // BBSW_SCROLLBAR
{ WWT_RESIZEBOX, RESIZE_TB, 7, 188, 199, 90, 101, 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, 102, 200, 102,
WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESIZABLE,
_build_bridge_widgets,
NULL
};
/**
* Add a buildable bridge to the list.
* If the list is empty a new one is created.
*
* @param bl The list which we want to manage
* @param item The item to add
* @return The pointer to the list
*/
static GUIBridgeList *PushBridgeList(GUIBridgeList *bl, BuildBridgeData item)
{
if (bl == NULL) {
/* Create the list if needed */
bl = new GUIBridgeList();
bl->flags |= VL_RESORT;
bl->list_length = 1;
} else {
/* Resize the list */
bl->list_length++;
}
bl->sort_list = ReallocT(bl->sort_list, bl->list_length);
bl->sort_list[bl->list_length - 1] = item;
return bl;
}
/**
* 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 bridge_type The bridge type
*/
void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType transport_type, byte bridge_type)
{
DeleteWindowById(WC_BUILD_BRIDGE, 0);
/* Data type for the bridge.
* Bit 16,15 = transport type,
* 14..8 = road/rail pieces,
* 7..0 = type of bridge */
uint32 type = (transport_type << 15) | (bridge_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);
/* 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;
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);
bl = PushBridgeList(bl, item);
}
}
}
if (bl != NULL) {
new BuildBridgeWindow(&_build_bridge_desc, start, end, type, bl);
} else {
ShowErrorMessage(errmsg, STR_5015_CAN_T_BUILD_BRIDGE_HERE, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
}
}
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