//--------------------------------------------------------------------------------------------
//----- Articulation
switch (FEAT_TRAINS, SELF, switch_railstrong3_articulated, extra_callback_info1){
	1: item_railstrong3;
	1: item_railstrong3;
	1: item_railstrong3;
	1: item_railstrong3;
	CB_RESULT_NO_MORE_ARTICULATED_PARTS;
}
switch (FEAT_TRAINS, SELF, switch_railstrong3_length, position_in_vehid_chain % 5){
	0: 1;
	1: 2;
	2: 2;
	3: 2;
	4: 1;
	8;
}

switch (FEAT_TRAINS, SELF, switch_railstrong3_attach, vehicle_type_id){
	item_railstrong3: CB_RESULT_ATTACH_ALLOW;

	item_CABOOSE_1:        CB_RESULT_ATTACH_ALLOW;
	item_CABOOSE_2:        CB_RESULT_ATTACH_ALLOW;
	item_railpax:          CB_RESULT_ATTACH_ALLOW;
	item_railflatbed1:     CB_RESULT_ATTACH_ALLOW;
	item_railflatbed2:     CB_RESULT_ATTACH_ALLOW;
	item_railflatbed3:     CB_RESULT_ATTACH_ALLOW;
	item_railhopper1:      CB_RESULT_ATTACH_ALLOW;
	item_railhopper2:      CB_RESULT_ATTACH_ALLOW;
	item_railhopper3:      CB_RESULT_ATTACH_ALLOW;
	item_railtanker1:      CB_RESULT_ATTACH_ALLOW;
	item_railtanker2:      CB_RESULT_ATTACH_ALLOW;
	item_railtanker3:      CB_RESULT_ATTACH_ALLOW;
	item_railuniversal1:   CB_RESULT_ATTACH_ALLOW;
	item_railuniversal2:   CB_RESULT_ATTACH_ALLOW;
	item_railuniversal3:   CB_RESULT_ATTACH_ALLOW;
	return string(error_attach_rail_freight);
}
item(FEAT_TRAINS, item_railstrong3, 15) { //ID15
	property {
		name:                         string(STR_NAME_RS3);
        climates_available:           ALL_CLIMATES;
        introduction_date:            date(1940, 1, 1);
        model_life:                   15;
        vehicle_life:                 255;
        reliability_decay:            5;
		//Just an engine, no refit
        refittable_cargo_classes:     bitmask(NO_CARGO_CLASS);
        non_refittable_cargo_classes: bitmask();

        loading_speed:                5;
        cost_factor:                  10;
        running_cost_factor:          100;
        sprite_id:                    SPRITE_ID_NEW_TRAIN;
        speed:                        110 km/h; // actually 140, but there are rounding errors
        misc_flags:                   bitmask(TRAIN_FLAG_FLIP, TRAIN_FLAG_2CC);
        refit_cost:                   0;
        track_type:                   RAIL;
        ai_special_flag:              AI_FLAG_CARGO;
        power:                        2000 hp;
        running_cost_base:            RUNNING_COST_STEAM;
        dual_headed:                  0;
        cargo_capacity:               0;
        weight:                       150 ton;
        ai_engine_rank:               0;
        engine_class:                 ENGINE_CLASS_STEAM;
        extra_power_per_wagon:        0 kW;
        tractive_effort_coefficient:  1;
        air_drag_coefficient:         0;
        length: 8;
        visual_effect_and_powered:    visual_effect_and_powered(VISUAL_EFFECT_DEFAULT, -2, DISABLE_WAGON_POWER);
        extra_weight_per_wagon:       0 ton;
        bitmask_vehicle_info:         0;
	}
	graphics {
		articulated_part: switch_railstrong3_articulated;
		length: switch_railstrong3_length;               

		default:                        spriteset_train_railstrong3;
		purchase:                       spriteset_purchaseMenu_railstrong3;
		can_attach_wagon:               switch_railstrong3_attach;
		additional_text:							  string(info_rail_strong_3);
		speed: 								          100; 
		power: 								          2000;
		weight: 							          80;  
		tractive_effort_coefficient:		168; 
		cost_factor:					        	10   
		running_cost_factor:	    			100; 
		}
}