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-rw-r--r--src/train_gui.cpp222
1 files changed, 156 insertions, 66 deletions
diff --git a/src/train_gui.cpp b/src/train_gui.cpp
index f1c5d93d2..9efe67d51 100644
--- a/src/train_gui.cpp
+++ b/src/train_gui.cpp
@@ -122,28 +122,52 @@ void DrawTrainImage(const Train *v, int left, int right, int y, VehicleID select
_cur_dpi = old_dpi;
}
+/** Helper struct for the cargo details information */
+struct CargoSummaryItem {
+ CargoID cargo; ///< The cargo that is carried
+ StringID subtype; ///< STR_EMPTY if none
+ uint capacity; ///< Amount that can be carried
+ uint amount; ///< Amount that is carried
+ StationID source; ///< One of the source stations
+
+ /** Used by CargoSummary::Find() and similiar functions */
+ FORCEINLINE bool operator != (const CargoSummaryItem &other) const
+ {
+ return this->cargo != other.cargo || this->subtype != other.subtype;
+ }
+};
+
+enum {
+ TRAIN_DETAILS_MIN_INDENT = 32, ///< Minimum indent level in the train details window
+ TRAIN_DETAILS_MAX_INDENT = 72, ///< Maximum indent level in the train details window; wider than this and we start on a new line
+};
+
+/** Container for the cargo summary information. */
+typedef SmallVector<CargoSummaryItem, 2> CargoSummary;
+/** Reused container of cargo details */
+static CargoSummary _cargo_summary;
+
/**
* Draw the details cargo tab for the given vehicle at the given position
*
- * @param v current vehicle
+ * @param item Data to draw
* @param left The left most coordinate to draw
* @param right The right most coordinate to draw
* @param y The y coordinate
*/
-static void TrainDetailsCargoTab(const Vehicle *v, int left, int right, int y)
+static void TrainDetailsCargoTab(const CargoSummaryItem *item, int left, int right, int y)
{
- if (v->cargo_cap != 0) {
- StringID str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
-
- if (!v->cargo.Empty()) {
- SetDParam(0, v->cargo_type);
- SetDParam(1, v->cargo.Count());
- SetDParam(2, v->cargo.Source());
- SetDParam(3, _settings_game.vehicle.freight_trains);
- str = FreightWagonMult(v->cargo_type) > 1 ? STR_VEHICLE_DETAILS_CARGO_FROM_MULT : STR_VEHICLE_DETAILS_CARGO_FROM;
- }
- DrawString(left, right, y, str);
+ StringID str = STR_VEHICLE_DETAILS_CARGO_EMPTY;
+
+ if (item->amount > 0) {
+ SetDParam(0, item->cargo);
+ SetDParam(1, item->amount);
+ SetDParam(2, item->source);
+ SetDParam(3, _settings_game.vehicle.freight_trains);
+ str = FreightWagonMult(item->cargo) > 1 ? STR_VEHICLE_DETAILS_CARGO_FROM_MULT : STR_VEHICLE_DETAILS_CARGO_FROM;
}
+
+ DrawString(left, right, y, str);
}
/**
@@ -171,20 +195,65 @@ static void TrainDetailsInfoTab(const Vehicle *v, int left, int right, int y)
/**
* Draw the details capacity tab for the given vehicle at the given position
*
- * @param v current vehicle
+ * @param item Data to draw
* @param left The left most coordinate to draw
* @param right The right most coordinate to draw
* @param y The y coordinate
*/
-static void TrainDetailsCapacityTab(const Vehicle *v, int left, int right, int y)
+static void TrainDetailsCapacityTab(const CargoSummaryItem *item, int left, int right, int y)
{
- if (v->cargo_cap != 0) {
- SetDParam(0, v->cargo_type);
- SetDParam(1, v->cargo_cap);
- SetDParam(4, GetCargoSubtypeText(v));
- SetDParam(5, _settings_game.vehicle.freight_trains);
- DrawString(left, right, y, FreightWagonMult(v->cargo_type) > 1 ? STR_VEHICLE_INFO_CAPACITY_MULT : STR_VEHICLE_INFO_CAPACITY);
- }
+ SetDParam(0, item->cargo);
+ SetDParam(1, item->capacity);
+ SetDParam(4, item->subtype);
+ SetDParam(5, _settings_game.vehicle.freight_trains);
+ DrawString(left, right, y, FreightWagonMult(item->cargo) > 1 ? STR_VEHICLE_INFO_CAPACITY_MULT : STR_VEHICLE_INFO_CAPACITY);
+}
+
+/**
+ * Collects the cargo transportet
+ * @param v Vehicle to process
+ * @param summary Space for the result
+ */
+static void GetCargoSummaryOfArticulatedVehicle(const Train *v, CargoSummary *summary)
+{
+ summary->Clear();
+ do {
+ if (v->cargo_cap == 0) continue;
+
+ CargoSummaryItem new_item;
+ new_item.cargo = v->cargo_type;
+ new_item.subtype = GetCargoSubtypeText(v);
+
+ CargoSummaryItem *item = summary->Find(new_item);
+ if (item == summary->End()) {
+ item = summary->Append();
+ item->cargo = new_item.cargo;
+ item->subtype = new_item.subtype;
+ item->capacity = 0;
+ item->amount = 0;
+ item->source = INVALID_STATION;
+ }
+
+ item->capacity += v->cargo_cap;
+ item->amount += v->cargo.Count();
+ if (item->source == INVALID_STATION) item->source = v->cargo.Source();
+ } while ((v = v->Next()) != NULL && v->IsArticulatedPart());
+}
+
+/**
+ * Get the length of an articulated vehicle.
+ * @param v the vehicle to get the length of.
+ * @return the length in pixels.
+ */
+static uint GetLengthOfArticulatedVehicle(const Train *v)
+{
+ uint length = 0;
+
+ do {
+ length += v->GetDisplayImageWidth();
+ } while ((v = v->Next()) != NULL && v->IsArticulatedPart());
+
+ return length;
}
/**
@@ -213,8 +282,12 @@ int GetTrainDetailsWndVScroll(VehicleID veh_id, TrainDetailsWindowTabs det_tab)
}
num++; // needs one more because first line is description string
} else {
- for (const Train *v = Train::Get(veh_id); v != NULL; v = v->Next()) {
- if (!v->IsArticulatedPart() || v->cargo_cap != 0) num++;
+ for (const Train *v = Train::Get(veh_id); v != NULL; v = v->GetNextVehicle()) {
+ GetCargoSummaryOfArticulatedVehicle(v, &_cargo_summary);
+ num += max(1u, _cargo_summary.Length());
+
+ uint length = GetLengthOfArticulatedVehicle(v);
+ if (length > TRAIN_DETAILS_MAX_INDENT) num++;
}
}
@@ -238,53 +311,70 @@ void DrawTrainDetails(const Train *v, int left, int right, int y, int vscroll_po
if (det_tab != TDW_TAB_TOTALS) {
bool rtl = _dynlang.text_dir == TD_RTL;
Direction dir = rtl ? DIR_E : DIR_W;
- const Train *u = v;
int x = rtl ? right : left;
int sprite_y_offset = 4 + (FONT_HEIGHT_NORMAL - 10) / 2;
- for (;;) {
- if (--vscroll_pos < 0 && vscroll_pos >= -vscroll_cap) {
- int px = x;
-
- u = v;
- do {
- Point offset;
- int width = u->GetDisplayImageWidth(&offset);
- SpriteID pal = (u->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(u);
- DrawSprite(u->GetImage(dir), pal, px + (rtl ? -offset.x : offset.x), y + sprite_y_offset + offset.y);
- px += rtl ? -width : width;
- u = u->Next();
- } while (u != NULL && u->IsArticulatedPart() && u->cargo_cap == 0);
-
- px += rtl ? -2 : 2;
- int py = y;
- switch (det_tab) {
- default: NOT_REACHED();
-
- case TDW_TAB_CARGO:
- TrainDetailsCargoTab(v, rtl ? left : px, rtl ? px : right, py);
- break;
-
- case TDW_TAB_INFO:
- /* Only show name and value for the 'real' part */
- if (!v->IsArticulatedPart()) {
- TrainDetailsInfoTab(v, rtl ? left : px, rtl ? px : right, py);
- }
- break;
-
- case TDW_TAB_CAPACITY:
- TrainDetailsCapacityTab(v, rtl ? left : px, rtl ? px : right, py);
- break;
+ int line_height = WD_MATRIX_TOP + FONT_HEIGHT_NORMAL + WD_MATRIX_BOTTOM;
+ for (; v != NULL && vscroll_pos > -vscroll_cap; v = v->GetNextVehicle()) {
+ GetCargoSummaryOfArticulatedVehicle(v, &_cargo_summary);
+
+ /* Draw sprites */
+ int dx = 0;
+ int px = x;
+ const Train *u = v;
+ do {
+ Point offset;
+ int width = u->GetDisplayImageWidth(&offset);
+ if (vscroll_pos <= 0 && vscroll_pos > -vscroll_cap) {
+ SpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
+ DrawSprite(u->GetImage(dir), pal, px + (rtl ? -offset.x : offset.x), y - line_height * vscroll_pos + sprite_y_offset + offset.y);
}
- y += WD_MATRIX_TOP + FONT_HEIGHT_NORMAL + WD_MATRIX_BOTTOM;
+ px += rtl ? -width : width;
+ dx += width;
+ u = u->Next();
+ } while (u != NULL && u->IsArticulatedPart());
+
+ bool separate_sprite_row = (dx > TRAIN_DETAILS_MAX_INDENT);
+ if (separate_sprite_row) {
+ vscroll_pos--;
+ dx = 0;
+ }
- v = u;
- } else {
- /* Move to the next line */
- do {
- v = v->Next();
- } while (v != NULL && v->IsArticulatedPart() && v->cargo_cap == 0);
+ uint num_lines = max(1u, _cargo_summary.Length());
+ for (uint i = 0; i < num_lines; i++) {
+ int sprite_width = max<int>(dx, TRAIN_DETAILS_MIN_INDENT) + 3;
+ int data_left = left + (rtl ? 0 : sprite_width);
+ int data_right = right - (rtl ? sprite_width : 0);
+ if (vscroll_pos <= 0 && vscroll_pos > -vscroll_cap) {
+ int py = y - line_height * vscroll_pos;
+ if (i > 0 || separate_sprite_row) {
+ if (vscroll_pos != 0) GfxFillRect(left, py - WD_MATRIX_TOP - 1, right, py - WD_MATRIX_TOP, _colour_gradient[COLOUR_GREY][5]);
+ }
+ switch (det_tab) {
+ case TDW_TAB_CARGO:
+ if (i < _cargo_summary.Length()) {
+ TrainDetailsCargoTab(&_cargo_summary[i], data_left, data_right, py);
+ } else {
+ DrawString(data_left, data_right, py, STR_QUANTITY_N_A, TC_LIGHT_BLUE);
+ }
+ break;
+
+ case TDW_TAB_INFO:
+ if (i == 0) TrainDetailsInfoTab(v, data_left, data_right, py);
+ break;
+
+ case TDW_TAB_CAPACITY:
+ if (i < _cargo_summary.Length()) {
+ TrainDetailsCapacityTab(&_cargo_summary[i], data_left, data_right, py);
+ } else {
+ DrawString(data_left, data_right, py, STR_VEHICLE_INFO_NO_CAPACITY);
+ }
+ break;
+
+ default: NOT_REACHED();
+ }
+ }
+ vscroll_pos--;
}
- if (v == NULL) return;
}
} else {
CargoArray act_cargo;