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/* $Id$ */

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/** @file roadveh_gui.cpp GUI for road vehicles. */

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#include "stdafx.h"

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#include "openttd.h"

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#include "debug.h"

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#include "roadveh.h"

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#include "gui.h"

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#include "window_gui.h"

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#include "viewport_func.h"

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#include "gfx_func.h"

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#include "command_func.h"

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#include "vehicle_gui.h"

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#include "newgrf_engine.h"

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#include "strings_func.h"

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#include "vehicle_func.h"

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#include "string_func.h"

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#include "order_func.h"

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#include "table/sprites.h"

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#include "table/strings.h"

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void DrawRoadVehDetails(const Vehicle *v, int x, int y)

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{

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	uint y_offset = RoadVehHasArticPart(v) ? 15 : 0;

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	StringID str;

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	SetDParam(0, v->engine_type);

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	SetDParam(1, v->build_year);

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	SetDParam(2, v->value);

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	DrawString(x, y + y_offset, STR_9011_BUILT_VALUE, TC_FROMSTRING);

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	if (RoadVehHasArticPart(v)) {

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		AcceptedCargo max_cargo;

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		char capacity[512];

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		memset(max_cargo, 0, sizeof(max_cargo));

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		for (const Vehicle *u = v; u != NULL; u = u->Next()) {

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			max_cargo[u->cargo_type] += u->cargo_cap;

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		}

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		GetString(capacity, STR_ARTICULATED_RV_CAPACITY, lastof(capacity));

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		bool first = true;

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		for (CargoID i = 0; i < NUM_CARGO; i++) {

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			if (max_cargo[i] > 0) {

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				char buffer[128];

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				SetDParam(0, i);

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				SetDParam(1, max_cargo[i]);

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				GetString(buffer, STR_BARE_CARGO, lastof(buffer));

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				if (!first) strecat(capacity, ", ", lastof(capacity));

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				strecat(capacity, buffer, lastof(capacity));

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				first = false;

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			}

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		}

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		SetDParamStr(0, capacity);

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		DrawStringTruncated(x, y + 10 + y_offset, STR_JUST_RAW_STRING, TC_BLUE, 380 - x);

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		for (const Vehicle *u = v; u != NULL; u = u->Next()) {

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			if (u->cargo_cap == 0) continue;

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			str = STR_8812_EMPTY;

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			if (!u->cargo.Empty()) {

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				SetDParam(0, u->cargo_type);

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				SetDParam(1, u->cargo.Count());

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				SetDParam(2, u->cargo.Source());

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				str = STR_8813_FROM;

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			}

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			DrawString(x, y + 21 + y_offset, str, TC_FROMSTRING);

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			y_offset += 11;

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		}

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		y_offset -= 11;

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	} else {

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		SetDParam(0, v->cargo_type);

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		SetDParam(1, v->cargo_cap);

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		DrawString(x, y + 10 + y_offset, STR_9012_CAPACITY, TC_FROMSTRING);

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		str = STR_8812_EMPTY;

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		if (!v->cargo.Empty()) {

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			SetDParam(0, v->cargo_type);

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			SetDParam(1, v->cargo.Count());

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			SetDParam(2, v->cargo.Source());

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			str = STR_8813_FROM;

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		}

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		DrawString(x, y + 21 + y_offset, str, TC_FROMSTRING);

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	}

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	/* Draw Transfer credits text */

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	SetDParam(0, v->cargo.FeederShare());

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	DrawString(x, y + 33 + y_offset, STR_FEEDER_CARGO_VALUE, TC_FROMSTRING);

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}

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static inline int RoadVehLengthToPixels(int length)

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{

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	return (length * 28) / 8;

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}

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void DrawRoadVehImage(const Vehicle *v, int x, int y, VehicleID selection, int count)

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{

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	/* Road vehicle lengths are measured in eighths of the standard length, so

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	 * count is the number of standard vehicles that should be drawn. If it is

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	 * 0, we draw enough vehicles for 10 standard vehicle lengths. */

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	int max_length = (count == 0) ? 80 : count * 8;

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	/* Width of highlight box */

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	int highlight_w = 0;

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	for (int dx = 0; v != NULL && dx < max_length ; v = v->Next()) {

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		int width = v->u.road.cached_veh_length;

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		if (dx + width > 0 && dx <= max_length) {

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			SpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);

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			DrawSprite(v->GetImage(DIR_W), pal, x + 14 + RoadVehLengthToPixels(dx), y + 6);

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			if (v->index == selection) {

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				/* Set the highlight position */

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				highlight_w = RoadVehLengthToPixels(width);

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			} else if (_cursor.vehchain && highlight_w != 0) {

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				highlight_w += RoadVehLengthToPixels(width);

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			}

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		}

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		dx += width;

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	}

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	if (highlight_w != 0) {

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		DrawFrameRect(x - 1, y - 1, x - 1 + highlight_w, y + 12, COLOUR_WHITE, FR_BORDERONLY);

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	}

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}

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void CcBuildRoadVeh(bool success, TileIndex tile, uint32 p1, uint32 p2)

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{

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	const Vehicle *v;

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	if (!success) return;

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	v = GetVehicle(_new_vehicle_id);

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	if (v->tile == _backup_orders_tile) {

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		_backup_orders_tile = 0;

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		RestoreVehicleOrders(v);

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	}

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	ShowVehicleViewWindow(v);

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}