tron@2186: /* $Id$ */
tron@2186: 
belugas@6443: /** @file bridge_gui.cpp Graphical user interface for bridge construction */
celestar@2262: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
truelight@0: #include "gui.h"
rubidium@8603: #include "window_gui.h"
rubidium@8612: #include "command_func.h"
rubidium@8612: #include "economy_func.h"
tron@2159: #include "variables.h"
celestar@2262: #include "bridge.h"
rubidium@8610: #include "strings_func.h"
rubidium@8627: #include "window_func.h"
rubidium@8653: #include "sound_func.h"
rubidium@8635: #include "map_func.h"
rubidium@8720: #include "viewport_func.h"
rubidium@8720: #include "gfx_func.h"
smatz@8894: #include "tunnelbridge.h"
truelight@0: 
rubidium@8760: #include "table/strings.h"
rubidium@8760: 
truelight@0: static struct BridgeData {
skidd13@8516: 	uint8 last_size;
tron@2133: 	uint count;
truelight@0: 	TileIndex start_tile;
truelight@0: 	TileIndex end_tile;
belugas@9053: 	uint32 type; ///< Data type for the bridge. Bit 16,15 = transport type, 14..8 = road/rail pieces, 7..0 = type of bridge
belugas@9028: 	BridgeType indexes[MAX_BRIDGES];
rubidium@7486: 	Money costs[MAX_BRIDGES];
skidd13@8516: 
skidd13@8516: 	BridgeData()
skidd13@8516: 		: last_size(4)
skidd13@8516: 		, count(0)
skidd13@8516: 		{};
celestar@2262: } _bridgedata;
truelight@0: 
tron@1977: void CcBuildBridge(bool success, TileIndex tile, uint32 p1, uint32 p2)
truelight@0: {
tron@541: 	if (success) SndPlayTileFx(SND_27_BLACKSMITH_ANVIL, tile);
truelight@0: }
truelight@0: 
truelight@0: static void BuildBridge(Window *w, int i)
truelight@0: {
truelight@0: 	DeleteWindow(w);
tron@2639: 	DoCommandP(_bridgedata.end_tile, _bridgedata.start_tile,
belugas@9053: 		_bridgedata.type | _bridgedata.indexes[i], CcBuildBridge,
rubidium@8017: 		CMD_BUILD_BRIDGE | CMD_MSG(STR_5015_CAN_T_BUILD_BRIDGE_HERE));
truelight@0: }
truelight@0: 
skidd13@8516: /* Names of the build bridge selection window */
skidd13@8516: enum BuildBridgeSelectionWidgets {
skidd13@8516: 	BBSW_CLOSEBOX = 0,
skidd13@8516: 	BBSW_CAPTION,
skidd13@8516: 	BBSW_BRIDGE_LIST,
skidd13@8516: 	BBSW_SCROLLBAR,
skidd13@8516: 	BBSW_RESIZEBOX
skidd13@8516: };
skidd13@8516: 
truelight@0: static void BuildBridgeWndProc(Window *w, WindowEvent *e)
truelight@0: {
tron@2952: 	switch (e->event) {
skidd13@8516: 		case WE_CREATE:
skidd13@8516: 			w->resize.step_height = 22;
skidd13@8516: 			w->vscroll.count = _bridgedata.count;
skidd13@8516: 
skidd13@8516: 			if (_bridgedata.last_size <= 4) {
skidd13@8516: 				w->vscroll.cap = 4;
skidd13@8516: 			} else {
skidd13@8516: 				/* Resize the bridge selection window if we used a bigger one the last time */
skidd13@8516: 				w->vscroll.cap = (w->vscroll.count > _bridgedata.last_size) ? _bridgedata.last_size : w->vscroll.count;
skidd13@8516: 				ResizeWindow(w, 0, (w->vscroll.cap - 4) * w->resize.step_height);
skidd13@8516: 				w->widget[BBSW_BRIDGE_LIST].data = (w->vscroll.cap << 8) + 1;
skidd13@8516: 			}
skidd13@8516: 			break;
skidd13@8516: 
skidd13@8479: 		case WE_PAINT: {
peter1138@6530: 			DrawWindowWidgets(w);
truelight@0: 
skidd13@8479: 			uint y = 15;
skidd13@8479: 			for (uint i = 0; (i < w->vscroll.cap) && ((i + w->vscroll.pos) < _bridgedata.count); i++) {
belugas@9031: 				const BridgeSpec *b = GetBridgeSpec(_bridgedata.indexes[i + w->vscroll.pos]);
truelight@0: 
rubidium@7498: 				SetDParam(2, _bridgedata.costs[i + w->vscroll.pos]);
peter1138@6530: 				SetDParam(1, b->speed * 10 / 16);
peter1138@6530: 				SetDParam(0, b->material);
truelight@0: 
skidd13@8479: 				DrawSprite(b->sprite, b->pal, 3, y);
skidd13@8479: 				DrawString(44, y, STR_500D, TC_FROMSTRING);
skidd13@8479: 				y += w->resize.step_height;
peter1138@6530: 			}
peter1138@6530: 			break;
skidd13@8479: 		}
peter1138@6530: 
peter1138@6530: 		case WE_KEYPRESS: {
skidd13@8479: 			const uint8 i = e->we.keypress.keycode - '1';
peter1138@6530: 			if (i < 9 && i < _bridgedata.count) {
peter1138@6530: 				e->we.keypress.cont = false;
peter1138@6530: 				BuildBridge(w, i);
peter1138@6530: 			}
peter1138@6530: 
peter1138@6530: 			break;
truelight@0: 		}
truelight@193: 
peter1138@6530: 		case WE_CLICK:
skidd13@8516: 			if (e->we.click.widget == BBSW_BRIDGE_LIST) {
skidd13@8479: 				uint ind = ((int)e->we.click.pt.y - 14) / w->resize.step_height;
skidd13@8479: 				if (ind < w->vscroll.cap) {
skidd13@8479: 					ind += w->vscroll.pos;
skidd13@8479: 					if (ind < _bridgedata.count) {
skidd13@8479: 						BuildBridge(w, ind);
skidd13@8479: 					}
skidd13@8479: 				}
peter1138@6530: 			}
peter1138@6530: 			break;
skidd13@8479: 
skidd13@8479: 		case WE_RESIZE:
skidd13@8479: 			w->vscroll.cap += e->we.sizing.diff.y / (int)w->resize.step_height;
skidd13@8516: 			w->widget[BBSW_BRIDGE_LIST].data = (w->vscroll.cap << 8) + 1;
skidd13@8479: 			SetVScrollCount(w, _bridgedata.count);
skidd13@8516: 
skidd13@8516: 			_bridgedata.last_size = w->vscroll.cap;
skidd13@8479: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
skidd13@8516: /* Widget definition for the rail bridge selection window */
truelight@0: static const Widget _build_bridge_widgets[] = {
skidd13@8516: {   WWT_CLOSEBOX,   RESIZE_NONE,  7,   0,  10,   0,  13, STR_00C5,                    STR_018B_CLOSE_WINDOW},            // BBSW_CLOSEBOX
skidd13@8516: {    WWT_CAPTION,   RESIZE_NONE,  7,  11, 199,   0,  13, STR_100D_SELECT_RAIL_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS},  // BBSW_CAPTION
skidd13@8516: {     WWT_MATRIX, RESIZE_BOTTOM,  7,   0, 187,  14, 101, 0x401,                       STR_101F_BRIDGE_SELECTION_CLICK},  // BBSW_BRIDGE_LIST
skidd13@8516: {  WWT_SCROLLBAR, RESIZE_BOTTOM,  7, 188, 199,  14,  89, 0x0,                         STR_0190_SCROLL_BAR_SCROLLS_LIST}, // BBSW_SCROLLBAR
skidd13@8516: {  WWT_RESIZEBOX,     RESIZE_TB,  7, 188, 199,  90, 101, 0x0,                         STR_RESIZE_BUTTON},                // BBSW_RESIZEBOX
darkvater@176: {   WIDGETS_END},
truelight@0: };
truelight@0: 
skidd13@8516: /* Window definition for the rail bridge selection window */
truelight@0: static const WindowDesc _build_bridge_desc = {
rubidium@7837: 	WDP_AUTO, WDP_AUTO, 200, 102, 200, 102,
Darkvater@5070: 	WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
skidd13@8479: 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESIZABLE,
truelight@0: 	_build_bridge_widgets,
truelight@0: 	BuildBridgeWndProc
truelight@0: };
truelight@0: 
belugas@9053: void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType transport_type, byte bridge_type)
truelight@0: {
truelight@0: 	DeleteWindowById(WC_BUILD_BRIDGE, 0);
truelight@0: 
belugas@9054: 	_bridgedata.type = (transport_type << 15) | (bridge_type << 8); //prepare the parameter for use only once
celestar@2262: 	_bridgedata.start_tile = start;
celestar@2262: 	_bridgedata.end_tile = end;
truelight@0: 
skidd13@8479: 	/* only query bridge building possibility once, result is the same for all bridges!
skidd13@8479: 	 * returns CMD_ERROR on failure, and price on success */
skidd13@8479: 	StringID errmsg = INVALID_STRING_ID;
belugas@9053: 	CommandCost ret = DoCommand(end, start, _bridgedata.type, DC_AUTO | DC_QUERY_COST, CMD_BUILD_BRIDGE);
truelight@0: 
skidd13@8479: 	uint8 j = 0;
peter1138@2737: 	if (CmdFailed(ret)) {
truelight@0: 		errmsg = _error_message;
tron@2548: 	} else {
skidd13@8479: 		/* check which bridges can be built
skidd13@8479: 		 * get absolute bridge length
skidd13@8479: 		 * length of the middle parts of the bridge */
smatz@8894: 		const uint bridge_len = GetTunnelBridgeLength(start, end);
skidd13@8479: 		/* total length of bridge */
skidd13@8479: 		const uint tot_bridgedata_len = CalcBridgeLenCostFactor(bridge_len + 2);
truelight@0: 
skidd13@8479: 		/* loop for all bridgetypes */
belugas@9028: 		for (BridgeType brd_type = 0; brd_type != MAX_BRIDGES; brd_type++) {
belugas@9028: 			if (CheckBridge_Stuff(brd_type, bridge_len)) {
skidd13@8479: 				/* bridge is accepted, add to list */
belugas@9031: 				const BridgeSpec *b = GetBridgeSpec(brd_type);
skidd13@8479: 				/* Add to terraforming & bulldozing costs the cost of the
skidd13@8479: 				 * bridge itself (not computed with DC_QUERY_COST) */
rubidium@7446: 				_bridgedata.costs[j] = ret.GetCost() + (((int64)tot_bridgedata_len * _price.build_bridge * b->price) >> 8);
belugas@9028: 				_bridgedata.indexes[j] = brd_type;
truelight@0: 				j++;
truelight@0: 			}
truelight@0: 		}
skidd13@8479: 
skidd13@8479: 		_bridgedata.count = j;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (j != 0) {
belugas@9053: 		Window *w = AllocateWindowDesc(&_build_bridge_desc);
belugas@9053: 		/* Change the data, or the caption of the gui. Set it to road or rail, accordingly */
belugas@9053: 		w->widget[BBSW_CAPTION].data = (transport_type == TRANSPORT_ROAD) ? STR_1803_SELECT_ROAD_BRIDGE : STR_100D_SELECT_RAIL_BRIDGE;
truelight@0: 	} else {
celestar@3422: 		ShowErrorMessage(errmsg, STR_5015_CAN_T_BUILD_BRIDGE_HERE, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
truelight@0: 	}
truelight@0: }