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S.P.L.U.R.T-Station-13/code/modules/wiremod/components/math/comparison.dm
2021-10-28 12:51:31 +08:00

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/**
* # Comparison Component
*
* Compares two objects
*/
/obj/item/circuit_component/compare/comparison
display_name = "Comparison"
desc = "A component that compares two objects."
var/datum/port/input/option/comparison_option
input_port_amount = 2
var/current_type = PORT_TYPE_ANY
/obj/item/circuit_component/compare/comparison/populate_options()
var/static/component_options = list(
COMP_COMPARISON_EQUAL,
COMP_COMPARISON_NOT_EQUAL,
COMP_COMPARISON_GREATER_THAN,
COMP_COMPARISON_LESS_THAN,
COMP_COMPARISON_GREATER_THAN_OR_EQUAL,
COMP_COMPARISON_LESS_THAN_OR_EQUAL,
)
comparison_option = add_option_port("Comparison Option", component_options)
/obj/item/circuit_component/compare/comparison/input_received(datum/port/input/port)
switch(comparison_option.value)
if(COMP_COMPARISON_EQUAL, COMP_COMPARISON_NOT_EQUAL)
if(current_type != PORT_TYPE_ANY)
current_type = PORT_TYPE_ANY
compare_ports[1].set_datatype(PORT_TYPE_ANY)
compare_ports[2].set_datatype(PORT_TYPE_ANY)
else
if(current_type != PORT_TYPE_NUMBER)
current_type = PORT_TYPE_NUMBER
compare_ports[1].set_datatype(PORT_TYPE_NUMBER)
compare_ports[2].set_datatype(PORT_TYPE_NUMBER)
return ..()
/obj/item/circuit_component/compare/comparison/do_comparisons(list/ports)
if(length(ports) < input_port_amount)
return FALSE
// Comparison component only compares the first two ports
var/input1 = compare_ports[1].value
var/input2 = compare_ports[2].value
var/current_option = comparison_option.value
switch(current_option)
if(COMP_COMPARISON_EQUAL)
return input1 == input2
if(COMP_COMPARISON_NOT_EQUAL)
return input1 != input2
if(COMP_COMPARISON_GREATER_THAN)
return input1 > input2
if(COMP_COMPARISON_GREATER_THAN_OR_EQUAL)
return input1 >= input2
if(COMP_COMPARISON_LESS_THAN)
return input1 < input2
if(COMP_COMPARISON_LESS_THAN_OR_EQUAL)
return input1 <= input2