return nil
}
-func ReadData() (data planet_data) {
+func ReadData() planet_data {
+ var data planet_data
err := json_slurp(*planet_data_file, &data)
if err != nil {
panic(err)
}
- return
+ return data
}
/* This program operates by filling in a state table representing the best
* * Reduce the size of the Edens dimension from 3 to 2, for the
* same reasons as Fuel above. 33% savings.
* * Buy more ram. (Just sayin'. It's cheaper than you think.)
- *
+ *
*/
// The official list of dimensions:
addr[Edens] = *start_edens
addr[Location] = PlanetIndex(data, *start)
if *start_hold != "" {
- addr[Hold] = CommodityIndex(data,*start_hold)
+ addr[Hold] = CommodityIndex(data, *start_hold)
}
start_index := EncodeIndex(dims, addr)
table[start_index].value = Value(*funds)
}
/* Travel here via Eden Warp Unit */
- if addr[Edens]+1 < dims[Edens] && addr[UnusedCargo] > 0 {
+ if addr[Edens]+1 < dims[Edens] && (addr[Hold] == 0 || addr[UnusedCargo] > 0) {
_, available := data.Planets[data.i2p[addr[Location]]].RelativePrices["Eden Warp Units"]
if !available {
other[Edens] = addr[Edens] + 1
return max_index
}
-func Commas(n Value) (s string) {
+func Commas(n Value) string {
+ var s string
if n < 0 {
panic(n)
}
n /= 1000
}
s = fmt.Sprint(r) + s
- return
+ return s
}
func FighterAndShieldCost(data planet_data, dims LogicalIndex, table []State, best PhysicalIndex) {
*end_string = save_end_string
}
-func DescribePath(data planet_data, dims LogicalIndex, table []State, start PhysicalIndex) (description []string) {
+func DescribePath(data planet_data, dims LogicalIndex, table []State, start PhysicalIndex) []string {
+ var description []string
for index := start; table[index].from > FROM_ROOT; index = table[index].from {
if table[index].from == FROM_UNINITIALIZED {
panic(index)
}
description = append(description, fmt.Sprintf("%13v ", Commas(table[index].value))+line)
}
- return
+ return description
}
// (Example of a use case for generics in Go)