Show buy cost and running cost in template windows

See: #312

src/lang/english.txt

@@ -6668,6 +6668,9 @@ STR_TMPL_TEMPLATE_INFO                                          :{BLACK}Template
 STR_TMPL_RPL_START                                              :{BLACK}Start replacing
 STR_TMPL_RPL_STOP                                               :{BLACK}Stop replacing
 STR_TMPL_TEMPLATE_OVR_VALUE                                     :{BLACK}Buying Cost: {GOLD}{CURRENCY_LONG}
+STR_TMPL_TEMPLATE_OVR_VALUE_LTBLUE                              :{BLACK}Buying Cost: {LTBLUE}{CURRENCY_LONG}
+STR_TMPL_TEMPLATE_OVR_RUNNING_COST                              :{BLACK}Estimated Running Cost: {LTBLUE}{CURRENCY_LONG}
+STR_TMPL_TEMPLATE_OVR_MULTIPLE                                  :{BLACK}{STRING1}{BLACK} {STRING1}
 STR_TMPL_WARNING_FREE_WAGON                                     :{RED}Free Chain: not runnable!
 STR_TMPL_WARNING_VEH_UNAVAILABLE                                :{RED}Train not buildable: vehicle unavailable!
 STR_TMPL_GROUP_USES_TEMPLATE                                    :{BLACK}Template in use: {NUM}

src/lang/german.txt

@@ -6438,6 +6438,7 @@ STR_TMPL_TEMPLATE_INFO                                          :{BLACK}Vorlagen
 STR_TMPL_RPL_START                                              :{BLACK}Fahrzeugersetzung an
 STR_TMPL_RPL_STOP                                               :{BLACK}Fahrzeugersetzung aus
 STR_TMPL_TEMPLATE_OVR_VALUE                                     :{BLACK}Anschaffungskosten: {GOLD}{CURRENCY_LONG}
+STR_TMPL_TEMPLATE_OVR_VALUE_LTBLUE                              :{BLACK}Anschaffungskosten: {LTBLUE}{CURRENCY_LONG}
 STR_TMPL_WARNING_FREE_WAGON                                     :{RED}Unvollständiger Antriebsstrang: Zug kann nicht bewegt werden!
 STR_TMPL_WARNING_VEH_UNAVAILABLE                                :{RED}Zug nicht erstellbar: Fahrzeug nicht verfügbar!
 STR_TMPL_GROUP_USES_TEMPLATE                                    :{BLACK}Vorlage in Benutzung: {NUM}

src/lang/korean.txt

@@ -6665,6 +6665,7 @@ STR_TMPL_TEMPLATE_INFO                                          :{BLACK}템플
 STR_TMPL_RPL_START                                              :{BLACK}교체 시작
 STR_TMPL_RPL_STOP                                               :{BLACK}교체 중지
 STR_TMPL_TEMPLATE_OVR_VALUE                                     :{BLACK}구입 가격: {GOLD}{CURRENCY_LONG}
+STR_TMPL_TEMPLATE_OVR_VALUE_LTBLUE                              :{BLACK}구입 가격: {LTBLUE}{CURRENCY_LONG}
 STR_TMPL_WARNING_FREE_WAGON                                     :{RED}객차/화차만 있음: 운행할 수 없습니다!
 STR_TMPL_WARNING_VEH_UNAVAILABLE                                :{RED}열차 구성 불가: 차량을 사용할 수 없습니다!
 STR_TMPL_GROUP_USES_TEMPLATE                                    :{BLACK}{NUM}번 템플릿 사용 중

src/tbtr_template_gui_create.cpp

@@ -307,13 +307,23 @@ public:
 
 					int y = 4 - this->vscroll->GetPosition();
 					bool buildable = true;
+					Money buy_cost = 0;
 					for (Train *train = this->virtual_train; train != nullptr; train = train->GetNextUnit()) {
 						if (!IsEngineBuildable(train->engine_type, VEH_TRAIN, train->owner)) buildable = false;
+						buy_cost += Engine::Get(train->engine_type)->GetCost();
 					}
 					if (!buildable) {
 						DrawString(8, r.right, y, STR_TMPL_WARNING_VEH_UNAVAILABLE);
 						y += FONT_HEIGHT_NORMAL;
 					}
+
+					SetDParam(0, STR_TMPL_TEMPLATE_OVR_VALUE_LTBLUE);
+					SetDParam(1, buy_cost);
+					SetDParam(2, STR_TMPL_TEMPLATE_OVR_RUNNING_COST);
+					SetDParam(3, this->virtual_train->GetDisplayRunningCost());
+					DrawString(8, r.right, y, STR_TMPL_TEMPLATE_OVR_MULTIPLE);
+					y += FONT_HEIGHT_NORMAL;
+
 					/* Draw vehicle performance info */
 					const bool original_acceleration = (_settings_game.vehicle.train_acceleration_model == AM_ORIGINAL ||
 							GetRailTypeInfo(this->virtual_train->railtype)->acceleration_type == 2);

src/tbtr_template_gui_main.cpp

@@ -742,6 +742,10 @@ public:
 		short top = ScaleGUITrad(4) - this->vscroll[2]->GetPosition();
 		short left = ScaleGUITrad(8);
 
+		SetDParam(0, CalculateOverallTemplateDisplayRunningCost(tmp));
+		DrawString(left, r.right, top, STR_TMPL_TEMPLATE_OVR_RUNNING_COST);
+		top += FONT_HEIGHT_NORMAL;
+
 		/* Draw vehicle performance info */
 		const bool original_acceleration = (_settings_game.vehicle.train_acceleration_model == AM_ORIGINAL ||
 				GetRailTypeInfo(tmp->railtype)->acceleration_type == 2);

src/tbtr_template_vehicle_func.cpp

@@ -110,6 +110,16 @@ Money CalculateOverallTemplateCost(const TemplateVehicle *tv)
 	return val;
 }
 
+Money CalculateOverallTemplateDisplayRunningCost(const TemplateVehicle *tv)
+{
+	Money val = 0;
+
+	for (; tv; tv = tv->GetNextUnit()) {
+		val += (Engine::Get(tv->engine_type))->GetDisplayRunningCost();
+	}
+	return val;
+}
+
 void DrawTemplate(const TemplateVehicle *tv, int left, int right, int y)
 {
 	if (!tv) return;

src/tbtr_template_vehicle_func.h

@@ -20,6 +20,7 @@ Train* VirtualTrainFromTemplateVehicle(const TemplateVehicle* tv, StringID &err,
 void BuildTemplateGuiList(GUITemplateList*, Scrollbar*, Owner, RailType);
 
 Money CalculateOverallTemplateCost(const TemplateVehicle*);
+Money CalculateOverallTemplateDisplayRunningCost(const TemplateVehicle*);
 
 void DrawTemplate(const TemplateVehicle*, int, int, int);