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/* $Id$ */
/** @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 "table/strings.h"
static struct BridgeData {
uint8 last_size;
uint count;
TileIndex start_tile;
TileIndex end_tile;
uint32 type; ///< Data type for the bridge. Bit 16,15 = transport type, 14..8 = road/rail pieces, 7..0 = type of bridge
BridgeType indexes[MAX_BRIDGES];
Money costs[MAX_BRIDGES];
BridgeData()
: last_size(4)
, count(0)
{};
} _bridgedata;
void CcBuildBridge(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
if (success) SndPlayTileFx(SND_27_BLACKSMITH_ANVIL, tile);
}
static void BuildBridge(Window *w, int i)
{
delete w;
DoCommandP(_bridgedata.end_tile, _bridgedata.start_tile,
_bridgedata.type | _bridgedata.indexes[i], CcBuildBridge,
CMD_BUILD_BRIDGE | CMD_MSG(STR_5015_CAN_T_BUILD_BRIDGE_HERE));
}
/* Names of the build bridge selection window */
enum BuildBridgeSelectionWidgets {
BBSW_CLOSEBOX = 0,
BBSW_CAPTION,
BBSW_BRIDGE_LIST,
BBSW_SCROLLBAR,
BBSW_RESIZEBOX
};
static void BuildBridgeWndProc(Window *w, WindowEvent *e)
{
switch (e->event) {
case WE_CREATE:
w->resize.step_height = 22;
w->vscroll.count = _bridgedata.count;
if (_bridgedata.last_size <= 4) {
w->vscroll.cap = 4;
} else {
/* Resize the bridge selection window if we used a bigger one the last time */
w->vscroll.cap = (w->vscroll.count > _bridgedata.last_size) ? _bridgedata.last_size : w->vscroll.count;
ResizeWindow(w, 0, (w->vscroll.cap - 4) * w->resize.step_height);
w->widget[BBSW_BRIDGE_LIST].data = (w->vscroll.cap << 8) + 1;
}
break;
case WE_PAINT: {
DrawWindowWidgets(w);
uint y = 15;
for (uint i = 0; (i < w->vscroll.cap) && ((i + w->vscroll.pos) < _bridgedata.count); i++) {
const BridgeSpec *b = GetBridgeSpec(_bridgedata.indexes[i + w->vscroll.pos]);
SetDParam(2, _bridgedata.costs[i + w->vscroll.pos]);
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 += w->resize.step_height;
}
break;
}
case WE_KEYPRESS: {
const uint8 i = e->we.keypress.keycode - '1';
if (i < 9 && i < _bridgedata.count) {
e->we.keypress.cont = false;
BuildBridge(w, i);
}
break;
}
case WE_CLICK:
if (e->we.click.widget == BBSW_BRIDGE_LIST) {
uint ind = ((int)e->we.click.pt.y - 14) / w->resize.step_height;
if (ind < w->vscroll.cap) {
ind += w->vscroll.pos;
if (ind < _bridgedata.count) {
BuildBridge(w, ind);
}
}
}
break;
case WE_RESIZE:
w->vscroll.cap += e->we.sizing.diff.y / (int)w->resize.step_height;
w->widget[BBSW_BRIDGE_LIST].data = (w->vscroll.cap << 8) + 1;
SetVScrollCount(w, _bridgedata.count);
_bridgedata.last_size = w->vscroll.cap;
break;
}
}
/* 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,
BuildBridgeWndProc
};
void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType transport_type, byte bridge_type)
{
DeleteWindowById(WC_BUILD_BRIDGE, 0);
_bridgedata.type = (transport_type << 15) | (bridge_type << 8); //prepare the parameter for use only once
_bridgedata.start_tile = start;
_bridgedata.end_tile = end;
/* 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, _bridgedata.type, DC_AUTO | DC_QUERY_COST, CMD_BUILD_BRIDGE);
uint8 j = 0;
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 */
const BridgeSpec *b = GetBridgeSpec(brd_type);
/* Add to terraforming & bulldozing costs the cost of the
* bridge itself (not computed with DC_QUERY_COST) */
_bridgedata.costs[j] = ret.GetCost() + (((int64)tot_bridgedata_len * _price.build_bridge * b->price) >> 8);
_bridgedata.indexes[j] = brd_type;
j++;
}
}
_bridgedata.count = j;
}
if (j != 0) {
Window *w = AllocateWindowDesc(&_build_bridge_desc);
/* Change the data, or the caption of the gui. Set it to road or rail, accordingly */
w->widget[BBSW_CAPTION].data = (transport_type == TRANSPORT_ROAD) ? STR_1803_SELECT_ROAD_BRIDGE : STR_100D_SELECT_RAIL_BRIDGE;
} else {
ShowErrorMessage(errmsg, STR_5015_CAN_T_BUILD_BRIDGE_HERE, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
}
}
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