/**
* Draws an image of a whole train
* @param v Front vehicle
* @param left The minimum horizontal position
* @param right The maximum horizontal position
* @param y Vertical position to draw at
* @param selection Selected vehicle to draw a frame around
* @param skip Number of pixels to skip at the front (for scrolling)
*/
void DrawTrainImage(const Train *v, int left, int right, int y, VehicleID selection, int skip)
{
bool rtl = _dynlang.text_dir == TD_RTL;
Direction dir = rtl ? DIR_E : DIR_W;
DrawPixelInfo tmp_dpi, *old_dpi;
/* Position of highlight box */
int highlight_l = 0;
int highlight_r = 0;
int max_width = right - left + 1;
if (!FillDrawPixelInfo(&tmp_dpi, left, y, max_width, 14)) return;
old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
int px = rtl ? max_width + skip : -skip;
bool sel_articulated = false;
for (; v != NULL && (rtl ? px > 0 : px < max_width); v = v->Next()) {
Point offset;
int width = Train::From(v)->GetDisplayImageWidth(&offset);
if (rtl ? px + width > 0 : px - width < max_width) {
SpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
DrawSprite(v->GetImage(dir), pal, px + (rtl ? -offset.x : offset.x), 7 + offset.y);
}
if (!v->IsArticulatedPart()) sel_articulated = false;
if (v->index == selection) {
/* Set the highlight position */
highlight_l = rtl ? px - width : px;
highlight_r = rtl ? px - 1 : px + width - 1;
sel_articulated = true;
} else if ((_cursor.vehchain && highlight_r != 0) || sel_articulated) {
if (rtl) {
highlight_l -= width;
} else {
highlight_r += width;
}
}
px += rtl ? -width : width;
}
if (highlight_l != highlight_r) {
/* Draw the highlight. Now done after drawing all the engines, as
* the next engine after the highlight could overlap it. */
DrawFrameRect(highlight_l, 0, highlight_r, 13, COLOUR_WHITE, FR_BORDERONLY);
}
_cur_dpi = old_dpi;
}
static bool DrawScrollingStatusText(const NewsItem *ni, int scroll_pos, int left, int right, int top, int bottom)
{
CopyInDParam(0, ni->params, lengthof(ni->params));
StringID str = ni->string_id;
char buf[512];
GetString(buf, str, lastof(buf));
const char *s = buf;
char buffer[256];
char *d = buffer;
const char *last = lastof(buffer);
for (;;) {
WChar c = Utf8Consume(&s);
if (c == 0) {
break;
} else if (c == '\n') {
if (d + 4 >= last) break;
d[0] = d[1] = d[2] = d[3] = ' ';
d += 4;
} else if (IsPrintable(c)) {
if (d + Utf8CharLen(c) >= last) break;
d += Utf8Encode(d, c);
}
}
*d = '\0';
DrawPixelInfo tmp_dpi;
if (!FillDrawPixelInfo(&tmp_dpi, left, top, right - left, bottom)) return true;
int width = GetStringBoundingBox(buffer).width;
int pos = (_current_text_dir == TD_RTL) ? (scroll_pos - width) : (right - scroll_pos - left);
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
DrawString(pos, INT16_MAX, 0, buffer, TC_LIGHT_BLUE, SA_LEFT | SA_FORCE);
_cur_dpi = old_dpi;
return (_current_text_dir == TD_RTL) ? (pos < right - left) : (pos + width > 0);
}
void DeparturesWindow<Twaypoint>::DrawDeparturesListItems(const Rect &r) const
{
int left = r.left + WD_MATRIX_LEFT;
int right = r.right - WD_MATRIX_RIGHT;
bool rtl = _current_text_dir == TD_RTL;
bool ltr = !rtl;
int text_offset = WD_FRAMERECT_RIGHT;
int text_left = left + (rtl ? 0 : text_offset);
int text_right = right - (rtl ? text_offset : 0);
int y = r.top + 1;
uint max_departures = min(this->vscroll->GetPosition() + this->vscroll->GetCapacity(), this->departures->Length() + this->arrivals->Length());
if (max_departures > _settings_client.gui.max_departures) {
max_departures = _settings_client.gui.max_departures;
}
byte small_font_size = _settings_client.gui.departure_larger_font ? FONT_HEIGHT_NORMAL : FONT_HEIGHT_SMALL;
/* Draw the black background. */
GfxFillRect(r.left + 1, r.top, r.right - 1, r.bottom, PC_BLACK);
/* Nothing selected? Then display the information text. */
bool none_selected[2] = {true, true};
for (uint i = 0; i < 4; ++i)
{
if (this->show_types[i]) {
none_selected[0] = false;
break;
}
}
for (uint i = 0; i < 2; ++i)
{
if (this->departure_types[i]) {
none_selected[1] = false;
break;
}
}
if (none_selected[0] || none_selected[1]) {
DrawString(text_left, text_right, y + 1, STR_DEPARTURES_NONE_SELECTED);
return;
}
/* No scheduled departures? Then display the information text. */
if (max_departures == 0) {
DrawString(text_left, text_right, y + 1, STR_DEPARTURES_EMPTY);
return;
}
/* Find the maximum possible width of the departure time and "Expt <time>" fields. */
int time_width = cached_date_width;
if (!_settings_client.gui.departure_show_both) {
time_width += (departure_types[0] && departure_types[1] ? cached_date_arrow_width : 0);
}
/* Vehicle type icon */
int type_width = _settings_client.gui.departure_show_vehicle_type ? (GetStringBoundingBox(STR_DEPARTURES_TYPE_PLANE)).width : 0;
/* Find the maximum width of the status field */
int status_width = cached_status_width;
/* Find the width of the "Calling at:" field. */
int calling_at_width = (GetStringBoundingBox(_settings_client.gui.departure_larger_font ? STR_DEPARTURES_CALLING_AT_LARGE : STR_DEPARTURES_CALLING_AT)).width;
/* Find the maximum company name width. */
int toc_width = 0;
/* Find the maximum group name width. */
int group_width = 0;
/* Find the maximum vehicle name width. */
int veh_width = 0;
if (_settings_client.gui.departure_show_vehicle || _settings_client.gui.departure_show_company || _settings_client.gui.departure_show_group) {
for (uint i = 0; i < 4; ++i) {
VehicleList vehicles;
/* MAX_COMPANIES is probably the wrong thing to put here, but it works. GenerateVehicleSortList doesn't check the company when the type of list is VL_STATION_LIST (r20801). */
if (!GenerateVehicleSortList(&vehicles, VehicleListIdentifier(VL_STATION_LIST, (VehicleType)(VEH_TRAIN + i), MAX_COMPANIES, station).Pack())) {
/* Something went wrong: panic! */
continue;
}
for (const Vehicle **v = vehicles.Begin(); v != vehicles.End(); v++) {
SetDParam(0, (uint64)((*v)->index));
int width = (GetStringBoundingBox(STR_DEPARTURES_VEH)).width;
if (_settings_client.gui.departure_show_vehicle && width > veh_width) veh_width = width;
if ((*v)->group_id != INVALID_GROUP && (*v)->group_id != DEFAULT_GROUP) {
SetDParam(0, (uint64)((*v)->group_id));
width = (GetStringBoundingBox(STR_DEPARTURES_GROUP)).width;
if (_settings_client.gui.departure_show_group && width > group_width) group_width = width;
}
SetDParam(0, (uint64)((*v)->owner));
width = (GetStringBoundingBox(STR_DEPARTURES_TOC)).width;
if (_settings_client.gui.departure_show_company && width > toc_width) toc_width = width;
}
}
}
uint departure = 0;
uint arrival = 0;
/* Draw each departure. */
for (uint i = 0; i < max_departures; ++i) {
const Departure *d;
if (arrival == this->arrivals->Length()) {
d = (*(this->departures))[departure++];
} else if (departure == this->departures->Length()) {
d = (*(this->arrivals))[arrival++];
} else {
d = (*(this->departures))[departure];
const Departure *a = (*(this->arrivals))[arrival];
if (a->scheduled_date < d->scheduled_date) {
d = a;
arrival++;
} else {
departure++;
}
}
if (i < this->vscroll->GetPosition()) {
continue;
}
/* If for some reason the departure is too far in the future or is at a negative time, skip it. */
if ((d->scheduled_date / DAY_TICKS) > (_date + _settings_client.gui.max_departure_time) ||
d->scheduled_date < 0) {
continue;
}
if (d->terminus == INVALID_STATION) continue;
StringID time_str = (departure_types[0] && departure_types[1]) ? (d->type == D_DEPARTURE ? STR_DEPARTURES_TIME_DEP : STR_DEPARTURES_TIME_ARR) : STR_DEPARTURES_TIME;
if (_settings_client.gui.departure_show_both) time_str = STR_DEPARTURES_TIME_BOTH;
/* Time */
SetDParam(0, d->scheduled_date);
SetDParam(1, d->scheduled_date - d->order->wait_time);
ltr ? DrawString( text_left, text_left + time_width, y + 1, time_str)
: DrawString(text_right - time_width, text_right, y + 1, time_str);
/* Vehicle type icon, with thanks to sph */
if (_settings_client.gui.departure_show_vehicle_type) {
StringID type = STR_DEPARTURES_TYPE_TRAIN;
int offset = (_settings_client.gui.departure_show_vehicle_color ? 1 : 0);
switch (d->vehicle->type) {
case VEH_TRAIN:
type = STR_DEPARTURES_TYPE_TRAIN;
break;
case VEH_ROAD:
type = IsCargoInClass(d->vehicle->cargo_type, CC_PASSENGERS) ? STR_DEPARTURES_TYPE_BUS : STR_DEPARTURES_TYPE_LORRY;
break;
case VEH_SHIP:
type = STR_DEPARTURES_TYPE_SHIP;
break;
case VEH_AIRCRAFT:
type = STR_DEPARTURES_TYPE_PLANE;
break;
default:
break;
}
type += offset;
DrawString(text_left + time_width + 3, text_left + time_width + type_width + 3, y, type);
}
/* The icons to show with the destination and via stations. */
StringID icon = STR_DEPARTURES_STATION_NONE;
StringID icon_via = STR_DEPARTURES_STATION_NONE;
if (_settings_client.gui.departure_destination_type) {
Station *t = Station::Get(d->terminus.station);
if (t->facilities & FACIL_DOCK &&
t->facilities & FACIL_AIRPORT &&
d->vehicle->type != VEH_SHIP &&
d->vehicle->type != VEH_AIRCRAFT) {
icon = STR_DEPARTURES_STATION_PORTAIRPORT;
} else if (t->facilities & FACIL_DOCK &&
d->vehicle->type != VEH_SHIP) {
icon = STR_DEPARTURES_STATION_PORT;
} else if (t->facilities & FACIL_AIRPORT &&
d->vehicle->type != VEH_AIRCRAFT) {
icon = STR_DEPARTURES_STATION_AIRPORT;
}
}
if (_settings_client.gui.departure_destination_type && d->via != INVALID_STATION) {
Station *t = Station::Get(d->via);
if (t->facilities & FACIL_DOCK &&
t->facilities & FACIL_AIRPORT &&
d->vehicle->type != VEH_SHIP &&
d->vehicle->type != VEH_AIRCRAFT) {
icon_via = STR_DEPARTURES_STATION_PORTAIRPORT;
} else if (t->facilities & FACIL_DOCK &&
d->vehicle->type != VEH_SHIP) {
icon_via = STR_DEPARTURES_STATION_PORT;
} else if (t->facilities & FACIL_AIRPORT &&
d->vehicle->type != VEH_AIRCRAFT) {
icon_via = STR_DEPARTURES_STATION_AIRPORT;
}
}
/* Destination */
if (d->via == INVALID_STATION) {
/* Only show the terminus. */
SetDParam(0, d->terminus.station);
SetDParam(1, icon);
ltr ? DrawString( text_left + time_width + type_width + 6, text_right - status_width - (toc_width + veh_width + group_width + 2) - 2, y + 1, STR_DEPARTURES_TERMINUS)
: DrawString(text_left + status_width + (toc_width + veh_width + group_width + 2) + 2, text_right - time_width - type_width - 6, y + 1, STR_DEPARTURES_TERMINUS);
} else {
/* Show the terminus and the via station. */
SetDParam(0, d->terminus.station);
SetDParam(1, icon);
SetDParam(2, d->via);
SetDParam(3, icon_via);
int text_width = (GetStringBoundingBox(STR_DEPARTURES_TERMINUS_VIA_STATION)).width;
if (text_width < text_right - status_width - (toc_width + veh_width + group_width + 2) - 2 - (text_left + time_width + type_width + 6)) {
/* They will both fit, so show them both. */
SetDParam(0, d->terminus.station);
SetDParam(1, icon);
SetDParam(2, d->via);
SetDParam(3, icon_via);
ltr ? DrawString( text_left + time_width + type_width + 6, text_right - status_width - (toc_width + veh_width + group_width + 2) - 2, y + 1, STR_DEPARTURES_TERMINUS_VIA_STATION)
: DrawString(text_left + status_width + (toc_width + veh_width + group_width + 2) + 2, text_right - time_width - type_width - 6, y + 1, STR_DEPARTURES_TERMINUS_VIA_STATION);
} else {
/* They won't both fit, so switch between showing the terminus and the via station approximately every 4 seconds. */
if (this->tick_count & (1 << 7)) {
SetDParam(0, d->via);
SetDParam(1, icon_via);
ltr ? DrawString( text_left + time_width + type_width + 6, text_right - status_width - (toc_width + veh_width + group_width + 2) - 2, y + 1, STR_DEPARTURES_VIA)
: DrawString(text_left + status_width + (toc_width + veh_width + group_width + 2) + 2, text_right - time_width - type_width - 6, y + 1, STR_DEPARTURES_VIA);
} else {
SetDParam(0, d->terminus.station);
SetDParam(1, icon);
ltr ? DrawString( text_left + time_width + type_width + 6, text_right - status_width - (toc_width + veh_width + group_width + 2) - 2, y + 1, STR_DEPARTURES_TERMINUS_VIA)
: DrawString(text_left + status_width + (toc_width + veh_width + group_width + 2) + 2, text_right - time_width - type_width - 6, y + 1, STR_DEPARTURES_TERMINUS_VIA);
}
}
}
/* Status */
{
int status_left = ltr ? text_right - status_width - 2 - (toc_width + veh_width + group_width + 2) : text_left + (toc_width + veh_width + group_width + 2) + 7;
int status_right = ltr ? text_right - (toc_width + veh_width + group_width + 2) + 2 : text_left + status_width + 2 + (toc_width + veh_width + group_width + 7);
if (d->status == D_ARRIVED) {
/* The vehicle has arrived. */
DrawString(status_left, status_right, y + 1, STR_DEPARTURES_ARRIVED);
} else if(d->status == D_CANCELLED) {
/* The vehicle has been cancelled. */
DrawString(status_left, status_right, y + 1, STR_DEPARTURES_CANCELLED);
} else{
if (d->lateness <= DAY_TICKS && d->scheduled_date > ((_date * DAY_TICKS) + _date_fract)) {
/* We have no evidence that the vehicle is late, so assume it is on time. */
DrawString(status_left, status_right, y + 1, STR_DEPARTURES_ON_TIME);
} else {
if ((d->scheduled_date + d->lateness) < ((_date * DAY_TICKS) + _date_fract)) {
/* The vehicle was expected to have arrived by now, even if we knew it was going to be late. */
/* We assume that the train stays at least a day at a station so it won't accidentally be marked as delayed for a fraction of a day. */
DrawString(status_left, status_right, y + 1, STR_DEPARTURES_DELAYED);
} else {
/* The vehicle is expected to be late and is not yet due to arrive. */
SetDParam(0, d->scheduled_date + d->lateness);
DrawString(status_left, status_right, y + 1, STR_DEPARTURES_EXPECTED);
}
}
}
}
/* Vehicle name */
if (_settings_client.gui.departure_show_vehicle) {
SetDParam(0, (uint64)(d->vehicle->index));
ltr ? DrawString(text_right - (toc_width + veh_width + group_width + 2), text_right - toc_width - group_width - 2, y + 1, STR_DEPARTURES_VEH)
: DrawString( text_left + toc_width + group_width + 2, text_left + (toc_width + veh_width + group_width + 2), y + 1, STR_DEPARTURES_VEH);
}
/* Group name */
if (_settings_client.gui.departure_show_group && d->vehicle->group_id != INVALID_GROUP && d->vehicle->group_id != DEFAULT_GROUP) {
SetDParam(0, (uint64)(d->vehicle->group_id));
ltr ? DrawString(text_right - (toc_width + group_width + 2), text_right - toc_width - 2, y + 1, STR_DEPARTURES_GROUP)
: DrawString( text_left + toc_width + 2, text_left + (toc_width + group_width + 2), y + 1, STR_DEPARTURES_GROUP);
}
/* Operating company */
if (_settings_client.gui.departure_show_company) {
SetDParam(0, (uint64)(d->vehicle->owner));
ltr ? DrawString(text_right - toc_width, text_right, y + 1, STR_DEPARTURES_TOC, TC_FROMSTRING, SA_RIGHT)
: DrawString( text_left, text_left + toc_width, y + 1, STR_DEPARTURES_TOC, TC_FROMSTRING, SA_LEFT);
}
int bottom_y = y + this->entry_height - small_font_size - (_settings_client.gui.departure_larger_font ? 1 : 3);
/* Calling at */
ltr ? DrawString( text_left, text_left + calling_at_width, bottom_y, _settings_client.gui.departure_larger_font ? STR_DEPARTURES_CALLING_AT_LARGE : STR_DEPARTURES_CALLING_AT)
: DrawString(text_right - calling_at_width, text_right, bottom_y, _settings_client.gui.departure_larger_font ? STR_DEPARTURES_CALLING_AT_LARGE : STR_DEPARTURES_CALLING_AT);
/* List of stations */
/* RTL languages can be handled in the language file, e.g. by having the following: */
/* STR_DEPARTURES_CALLING_AT_STATION :{STATION}, {RAW_STRING} */
/* STR_DEPARTURES_CALLING_AT_LAST_STATION :{STATION} & {RAW_STRING}*/
char buffer[512], scratch[512];
if (d->calling_at.Length() != 0) {
SetDParam(0, (uint64)(*d->calling_at.Get(0)).station);
GetString(scratch, STR_DEPARTURES_CALLING_AT_FIRST_STATION, lastof(scratch));
StationID continuesTo = INVALID_STATION;
if (d->calling_at.Get(0)->station == d->terminus.station && d->calling_at.Length() > 1) {
continuesTo = d->calling_at.Get(d->calling_at.Length() - 1)->station;
} else if (d->calling_at.Length() > 1) {
/* There's more than one stop. */
uint i;
/* For all but the last station, write out ", <station>". */
for (i = 1; i < d->calling_at.Length() - 1; ++i) {
StationID s = d->calling_at.Get(i)->station;
if (s == d->terminus.station) {
continuesTo = d->calling_at.Get(d->calling_at.Length() - 1)->station;
break;
}
SetDParam(0, (uint64)scratch);
SetDParam(1, (uint64)s);
GetString(buffer, STR_DEPARTURES_CALLING_AT_STATION, lastof(buffer));
strncpy(scratch, buffer, sizeof(scratch));
}
/* Finally, finish off with " and <station>". */
SetDParam(0, (uint64)scratch);
SetDParam(1, (uint64)d->calling_at.Get(i)->station);
GetString(buffer, STR_DEPARTURES_CALLING_AT_LAST_STATION, lastof(buffer));
strncpy(scratch, buffer, sizeof(scratch));
}
SetDParam(0, (uint64)scratch);
StringID string;
if (continuesTo == INVALID_STATION) {
string = _settings_client.gui.departure_larger_font ? STR_DEPARTURES_CALLING_AT_LIST_LARGE : STR_DEPARTURES_CALLING_AT_LIST;
} else {
SetDParam(1, continuesTo);
string = _settings_client.gui.departure_larger_font ? STR_DEPARTURES_CALLING_AT_LIST_SMART_TERMINUS_LARGE : STR_DEPARTURES_CALLING_AT_LIST_SMART_TERMINUS;
}
GetString(buffer, string, lastof(buffer));
} else {
buffer[0] = 0;
//SetDParam(0, d->terminus);
//GetString(scratch, STR_DEPARTURES_CALLING_AT_FIRST_STATION, lastof(scratch));
}
int list_width = (GetStringBoundingBox(buffer, _settings_client.gui.departure_larger_font ? FS_NORMAL : FS_SMALL)).width;
/* Draw the whole list if it will fit. Otherwise scroll it. */
if (list_width < text_right - (text_left + calling_at_width + 2)) {
ltr ? DrawString(text_left + calling_at_width + 2, text_right, bottom_y, buffer)
: DrawString( text_left, text_right - calling_at_width - 2, bottom_y, buffer);
} else {
DrawPixelInfo tmp_dpi;
if (ltr
? !FillDrawPixelInfo(&tmp_dpi, text_left + calling_at_width + 2, bottom_y, text_right - (text_left + calling_at_width + 2), small_font_size + 3)
: !FillDrawPixelInfo(&tmp_dpi, text_left , bottom_y, text_right - (text_left + calling_at_width + 2), small_font_size + 3)) {
y += this->entry_height;
continue;
}
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
/* The scrolling text starts out of view at the right of the screen and finishes when it is out of view at the left of the screen. */
int pos = ltr
? text_right - (this->tick_count % (list_width + text_right - text_left))
: text_left + (this->tick_count % (list_width + text_right - text_left));
ltr ? DrawString( pos, INT16_MAX, 0, buffer, TC_FROMSTRING, SA_LEFT | SA_FORCE)
: DrawString(-INT16_MAX, pos, 0, buffer, TC_FROMSTRING, SA_RIGHT | SA_FORCE);
_cur_dpi = old_dpi;
}
y += this->entry_height;
}
}
virtual void DrawWidget(const Rect &r, int widget) const
{
switch (GB(widget, 0, 16)) {
case WID_BO_CLASS_LIST: {
int y = r.top;
uint pos = 0;
for (uint i = 0; i < ObjectClass::GetClassCount(); i++) {
ObjectClass *objclass = ObjectClass::Get((ObjectClassID)i);
if (objclass->GetUISpecCount() == 0) continue;
if (!this->vscroll->IsVisible(pos++)) continue;
DrawString(r.left + WD_MATRIX_LEFT, r.right - WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, objclass->name,
((int)i == _selected_object_class) ? TC_WHITE : TC_BLACK);
y += this->line_height;
}
break;
}
case WID_BO_OBJECT_SPRITE: {
const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
if (spec == NULL) break;
/* Height of the selection matrix.
* Depending on the number of views, the matrix has a 1x1, 1x2, 2x1 or 2x2 layout. To make the previews
* look nice in all layouts, we use the 4x4 layout (smallest previews) as starting point. For the bigger
* previews in the layouts with less views we add space homogeneously on all sides, so the 4x4 preview-rectangle
* is centered in the 2x1, 1x2 resp. 1x1 buttons. */
uint matrix_height = this->GetWidget<NWidgetMatrix>(WID_BO_OBJECT_MATRIX)->current_y;
DrawPixelInfo tmp_dpi;
/* Set up a clipping area for the preview. */
if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) {
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
if (spec->grf_prop.grffile == NULL) {
extern const DrawTileSprites _objects[];
const DrawTileSprites *dts = &_objects[spec->grf_prop.local_id];
DrawOrigTileSeqInGUI((r.right - r.left) / 2 - 1, (r.bottom - r.top + matrix_height / 2) / 2 - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), dts, PAL_NONE);
} else {
DrawNewObjectTileInGUI((r.right - r.left) / 2 - 1, (r.bottom - r.top + matrix_height / 2) / 2 - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), spec, GB(widget, 16, 16));
}
_cur_dpi = old_dpi;
}
break;
}
case WID_BO_SELECT_IMAGE: {
ObjectClass *objclass = ObjectClass::Get(_selected_object_class);
int obj_index = objclass->GetIndexFromUI(GB(widget, 16, 16));
if (obj_index < 0) break;
const ObjectSpec *spec = objclass->GetSpec(obj_index);
if (spec == NULL) break;
if (!spec->IsAvailable()) {
GfxFillRect(r.left + 1, r.top + 1, r.right - 1, r.bottom - 1, PC_BLACK, FILLRECT_CHECKER);
}
DrawPixelInfo tmp_dpi;
/* Set up a clipping area for the preview. */
if (FillDrawPixelInfo(&tmp_dpi, r.left + 1, r.top, (r.right - 1) - (r.left + 1) + 1, r.bottom - r.top + 1)) {
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
if (spec->grf_prop.grffile == NULL) {
extern const DrawTileSprites _objects[];
const DrawTileSprites *dts = &_objects[spec->grf_prop.local_id];
DrawOrigTileSeqInGUI((r.right - r.left) / 2 - 1, r.bottom - r.top - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), dts, PAL_NONE);
} else {
DrawNewObjectTileInGUI((r.right - r.left) / 2 - 1, r.bottom - r.top - OBJECT_MARGIN - ScaleGUITrad(TILE_PIXELS), spec,
min(_selected_object_view, spec->views - 1));
}
_cur_dpi = old_dpi;
}
break;
}
case WID_BO_INFO: {
const ObjectSpec *spec = ObjectClass::Get(_selected_object_class)->GetSpec(_selected_object_index);
if (spec == NULL) break;
/* Get the extra message for the GUI */
if (HasBit(spec->callback_mask, CBM_OBJ_FUND_MORE_TEXT)) {
uint16 callback_res = GetObjectCallback(CBID_OBJECT_FUND_MORE_TEXT, 0, 0, spec, NULL, INVALID_TILE, _selected_object_view);
if (callback_res != CALLBACK_FAILED && callback_res != 0x400) {
if (callback_res > 0x400) {
ErrorUnknownCallbackResult(spec->grf_prop.grffile->grfid, CBID_OBJECT_FUND_MORE_TEXT, callback_res);
} else {
StringID message = GetGRFStringID(spec->grf_prop.grffile->grfid, 0xD000 + callback_res);
if (message != STR_NULL && message != STR_UNDEFINED) {
StartTextRefStackUsage(spec->grf_prop.grffile, 6);
/* Use all the available space left from where we stand up to the
* end of the window. We ALSO enlarge the window if needed, so we
* can 'go' wild with the bottom of the window. */
int y = DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, message, TC_ORANGE) - r.top;
StopTextRefStackUsage();
if (y > this->info_height) {
BuildObjectWindow *bow = const_cast<BuildObjectWindow *>(this);
bow->info_height = y + 2;
bow->ReInit();
}
}
}
}
}
}
}
}
/**
* Draws an image of a whole train
* @param v Front vehicle
* @param left The minimum horizontal position
* @param right The maximum horizontal position
* @param y Vertical position to draw at
* @param selection Selected vehicle to draw a frame around
* @param skip Number of pixels to skip at the front (for scrolling)
* @param drag_dest The vehicle another one is dragged over, \c INVALID_VEHICLE if none.
*/
void DrawTrainImage(const Train *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip, VehicleID drag_dest)
{
bool rtl = _current_text_dir == TD_RTL;
Direction dir = rtl ? DIR_E : DIR_W;
DrawPixelInfo tmp_dpi, *old_dpi;
/* Position of highlight box */
int highlight_l = 0;
int highlight_r = 0;
int max_width = right - left + 1;
int height = ScaleGUITrad(14);
if (!FillDrawPixelInfo(&tmp_dpi, left, y, max_width, height)) return;
old_dpi = _cur_dpi;
_cur_dpi = &tmp_dpi;
int px = rtl ? max_width + skip : -skip;
bool sel_articulated = false;
bool dragging = (drag_dest != INVALID_VEHICLE);
bool drag_at_end_of_train = (drag_dest == v->index); // Head index is used to mark dragging at end of train.
for (; v != NULL && (rtl ? px > 0 : px < max_width); v = v->Next()) {
if (dragging && !drag_at_end_of_train && drag_dest == v->index) {
/* Highlight the drag-and-drop destination inside the train. */
int drag_hlight_width = HighlightDragPosition(px, max_width, selection, _cursor.vehchain);
px += rtl ? -drag_hlight_width : drag_hlight_width;
}
Point offset;
int width = Train::From(v)->GetDisplayImageWidth(&offset);
if (rtl ? px + width > 0 : px - width < max_width) {
PaletteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
VehicleSpriteSeq seq;
v->GetImage(dir, image_type, &seq);
seq.Draw(px + (rtl ? -offset.x : offset.x), height / 2 + offset.y, pal, v->vehstatus & VS_CRASHED);
}
if (!v->IsArticulatedPart()) sel_articulated = false;
if (v->index == selection) {
/* Set the highlight position */
highlight_l = rtl ? px - width : px;
highlight_r = rtl ? px - 1 : px + width - 1;
sel_articulated = true;
} else if ((_cursor.vehchain && highlight_r != 0) || sel_articulated) {
if (rtl) {
highlight_l -= width;
} else {
highlight_r += width;
}
}
px += rtl ? -width : width;
}
if (dragging && drag_at_end_of_train) {
/* Highlight the drag-and-drop destination at the end of the train. */
HighlightDragPosition(px, max_width, selection, _cursor.vehchain);
}
if (highlight_l != highlight_r) {
/* Draw the highlight. Now done after drawing all the engines, as
* the next engine after the highlight could overlap it. */
DrawFrameRect(highlight_l, 0, highlight_r, height - 1, COLOUR_WHITE, FR_BORDERONLY);
}
_cur_dpi = old_dpi;
}
