import "fmt"
import "json"
import "os"
+import "runtime/pprof"
import "strings"
var funds = flag.Int("funds", 0,
"The planet to start at")
var flight_plan_string = flag.String("flight_plan", "",
- "Your hidey-holes for the day, comma-separated.")
+ "Your hyper-holes for the day, comma-separated.")
-var end = flag.String("end", "",
+var end_string = flag.String("end", "",
"A comma-separated list of acceptable ending planets.")
var planet_data_file = flag.String("planet_data_file", "planet-data",
"The file to read planet data from")
-var fuel = flag.Int("fuel", 16, "Reactor units")
+var fuel = flag.Int("fuel", 16, "Hyper Jump power left")
var hold = flag.Int("hold", 300, "Size of your cargo hold")
var batteries = flag.Int("batteries", 0, "Buy this many Shield Batterys")
+var drone_price = flag.Int("drone_price", 0, "Today's Fighter Drone price")
+
+var battery_price = flag.Int("battery_price", 0, "Today's Shield Battery price")
+
var visit_string = flag.String("visit", "",
"A comma-separated list of planets to make sure to visit")
+var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
+
+
+var visit_cache []string
func visit() []string {
- if *visit_string == "" {
- return []string{}
+ if visit_cache == nil {
+ if *visit_string == "" {
+ return nil
+ }
+ visit_cache = strings.Split(*visit_string, ",")
}
- return strings.Split(*visit_string, ",")
+ return visit_cache
}
+var flight_plan_cache []string
func flight_plan() []string {
- if *flight_plan_string == "" {
- return []string{}
+ if flight_plan_cache == nil {
+ if *flight_plan_string == "" {
+ return nil
+ }
+ flight_plan_cache = strings.Split(*flight_plan_string, ",")
}
- return strings.Split(*flight_plan_string, ",")
+ return flight_plan_cache
+}
+
+var end_cache map[string]bool
+func end() map[string]bool {
+ if end_cache == nil {
+ if *end_string == "" {
+ return nil
+ }
+ m := make(map[string]bool)
+ for _, p := range strings.Split(*end_string, ",") {
+ m[p] = true
+ }
+ end_cache = m
+ }
+ return end_cache
}
type Commodity struct {
}
type Planet struct {
BeaconOn bool
+ Private bool
/* Use relative prices rather than absolute prices because you
can get relative prices without traveling to each planet. */
RelativePrices map[string]int
Edens = iota // 1 3 # of Eden warp units (0 - 2 typically)
Cloaks // 2 2 # of Devices of Cloaking (0 or 1)
UnusedCargo // 3 4 # of unused cargo spaces (0 - 3 typically)
- Fuel // 4 17 Reactor power left (0 - 16)
+ Fuel // 4 17 Hyper jump power left (0 - 16)
Location // 5 26 Location (which planet)
Hold // 6 15 Cargo bay contents (a *Commodity or nil)
- NeedFighters // 7 2 Errand: Buy fighter drones (needed or not)
- NeedShields // 8 2 Errand: Buy shield batteries (needed or not)
+ BuyFighters // 7 2 Errand: Buy fighter drones
+ BuyShields // 8 2 Errand: Buy shield batteries
Visit // 9 2**N Visit: Stop by these N planets in the route
NumDimensions
dims[UnusedCargo] = eden_capacity + cloak_capacity + 1
dims[Fuel] = *fuel + 1
dims[Location] = len(data.Planets)
- dims[Hold] = len(data.Commodities)
- dims[NeedFighters] = bint(*drones > 0) + 1
- dims[NeedShields] = bint(*batteries > 0) + 1
+ dims[Hold] = len(data.Commodities) + 1
+ dims[BuyFighters] = bint(*drones > 0) + 1
+ dims[BuyShields] = bint(*batteries > 0) + 1
dims[Visit] = 1 << uint(len(visit()))
// Remind myself to add a line above when adding new dimensions
panic(0)
}
for i := 1; i < NumDimensions; i++ {
- if addr[i] > dims[i] {
+ if addr[i] < 0 || addr[i] > dims[i] {
panic(i)
}
index = index*dims[i] + addr[i]
if addr[Fuel]+2 < dims[Fuel] {
other[Fuel] = addr[Fuel] + 2
for other[Location] = 0; other[Location] < dims[Location]; other[Location]++ {
- UpdateCell(table, my_index, EncodeIndex(dims, other), 0)
+ if data.Planets[data.i2p[addr[Location]]].BeaconOn {
+ UpdateCell(table, my_index, EncodeIndex(dims, other), 0)
+ }
}
other[Location] = addr[Location]
other[Fuel] = addr[Fuel]
}
- /* Travel here via a hidey hole */
+ /* Travel here via a hyper hole */
if addr[Fuel]+1 < dims[Fuel] {
hole_index := (dims[Fuel] - 1) - (addr[Fuel] + 1)
- if hole_index < len(flight_plan()) {
+ if hole_index < len(flight_plan()) && addr[Location] == data.p2i[flight_plan()[hole_index]] {
other[Fuel] = addr[Fuel] + 1
- other[Location] = data.p2i[flight_plan()[hole_index]]
- UpdateCell(table, my_index, EncodeIndex(dims, other), 0)
+ for other[Location] = 0; other[Location] < dims[Location]; other[Location]++ {
+ UpdateCell(table, my_index, EncodeIndex(dims, other), 0)
+ }
other[Location] = addr[Location]
other[Fuel] = addr[Fuel]
}
}
/* Travel here via Eden Warp Unit */
- for other[Edens] = addr[Edens] + 1; other[Edens] < dims[Edens]; other[Edens]++ {
- for other[Location] = 0; other[Location] < dims[Location]; other[Location]++ {
- UpdateCell(table, my_index, EncodeIndex(dims, other), 0)
+ if addr[Edens]+1 < dims[Edens] && addr[UnusedCargo] > 1 {
+ _, available := data.Planets[data.i2p[addr[Location]]].RelativePrices["Eden Warp Units"]
+ if !available {
+ other[Edens] = addr[Edens] + 1
+ other[UnusedCargo] = addr[UnusedCargo] - 1
+ for other[Location] = 0; other[Location] < dims[Location]; other[Location]++ {
+ UpdateCell(table, my_index, EncodeIndex(dims, other), 0)
+ }
+ other[Location] = addr[Location]
+ other[UnusedCargo] = addr[UnusedCargo]
+ other[Edens] = addr[Edens]
}
}
- other[Location] = addr[Location]
- other[Edens] = addr[Edens]
}
func FillCellBySelling(data planet_data, dims []int, table []State, addr []int) {
+ if data.Planets[data.i2p[addr[Location]]].Private {
+ // Can't do commerce on private planets
+ return
+ }
if addr[Hold] > 0 {
// Can't sell and still have cargo
return
continue
}
base_price := data.Commodities[commodity].BasePrice
- absolute_price := relative_price * base_price
- sell_price := int(float64(absolute_price) * 0.9)
+ absolute_price := float64(base_price) * float64(relative_price) / 100.0
+ sell_price := int(absolute_price * 0.9)
for other[UnusedCargo] = 0; other[UnusedCargo] < dims[UnusedCargo]; other[UnusedCargo]++ {
- quantity := *hold - other[UnusedCargo] // TODO: Partial sales
+ quantity := *hold - (other[UnusedCargo] + other[Cloaks] + other[Edens])
sale_value := quantity * sell_price
UpdateCell(table, my_index, EncodeIndex(dims, other), sale_value)
}
}
func FillCellByBuying(data planet_data, dims []int, table []State, addr []int) {
+ if data.Planets[data.i2p[addr[Location]]].Private {
+ // Can't do commerce on private planets
+ return
+ }
if addr[Hold] == 0 {
// Can't buy and then have nothing
return
return
}
base_price := data.Commodities[commodity].BasePrice
- absolute_price := relative_price * base_price
- quantity := *hold - addr[UnusedCargo]
+ absolute_price := int(float64(base_price) * float64(relative_price) / 100.0)
+ quantity := *hold - (addr[UnusedCargo] + addr[Cloaks] + addr[Edens])
total_price := quantity * absolute_price
other[Hold] = 0
+ other[UnusedCargo] = 0
UpdateCell(table, my_index, EncodeIndex(dims, other), -total_price)
+ other[UnusedCargo] = addr[UnusedCargo]
+ other[Hold] = addr[Hold]
}
func FillCellByMisc(data planet_data, dims []int, table []State, addr []int) {
- /* Buy Eden warp units */
+ my_index := EncodeIndex(dims, addr)
+ other := make([]int, NumDimensions)
+ copy(other, addr)
+
/* Buy a Device of Cloaking */
+ if addr[Cloaks] == 1 && addr[UnusedCargo] < dims[UnusedCargo]-1 {
+ relative_price, available := data.Planets[data.i2p[addr[Location]]].RelativePrices["Device Of Cloakings"]
+ if available {
+ absolute_price := int(float64(data.Commodities["Device Of Cloakings"].BasePrice) * float64(relative_price) / 100.0)
+ other[Cloaks] = 0
+ if other[Hold] != 0 {
+ other[UnusedCargo] = addr[UnusedCargo] + 1
+ }
+ UpdateCell(table, my_index, EncodeIndex(dims, other), -absolute_price)
+ other[UnusedCargo] = addr[UnusedCargo]
+ other[Cloaks] = addr[Cloaks]
+ }
+ }
+
/* Silly: Dump a Device of Cloaking */
+
/* Buy Fighter Drones */
+ if addr[BuyFighters] == 1 {
+ relative_price, available := data.Planets[data.i2p[addr[Location]]].RelativePrices["Fighter Drones"]
+ if available {
+ absolute_price := int(float64(data.Commodities["Fighter Drones"].BasePrice) * float64(relative_price) / 100.0)
+ other[BuyFighters] = 0
+ UpdateCell(table, my_index, EncodeIndex(dims, other), -absolute_price * *drones)
+ other[BuyFighters] = addr[BuyFighters]
+ }
+ }
+
/* Buy Shield Batteries */
+ if addr[BuyShields] == 1 {
+ relative_price, available := data.Planets[data.i2p[addr[Location]]].RelativePrices["Shield Batterys"]
+ if available {
+ absolute_price := int(float64(data.Commodities["Shield Batterys"].BasePrice) * float64(relative_price) / 100.0)
+ other[BuyShields] = 0
+ UpdateCell(table, my_index, EncodeIndex(dims, other), -absolute_price * *batteries)
+ other[BuyShields] = addr[BuyShields]
+ }
+ }
+
/* Visit this planet */
+ var i uint
+ for i = 0; i < uint(len(visit())); i++ {
+ if addr[Visit] & (1 << i) != 0 && visit()[i] == data.i2p[addr[Location]] {
+ other[Visit] = addr[Visit] & ^(1 << i)
+ UpdateCell(table, my_index, EncodeIndex(dims, other), 0)
+ }
+ }
+ other[Visit] = addr[Visit]
+
+}
+
+func FillCellByBuyingEdens(data planet_data, dims []int, table []State, addr []int) {
+ my_index := EncodeIndex(dims, addr)
+ other := make([]int, NumDimensions)
+ copy(other, addr)
+
+ /* Buy Eden warp units */
+ eden_limit := data.Commodities["Eden Warp Units"].Limit
+ if addr[Edens] > 0 && addr[Edens] <= eden_limit {
+ relative_price, available := data.Planets[data.i2p[addr[Location]]].RelativePrices["Eden Warp Units"]
+ if available {
+ absolute_price := int(float64(data.Commodities["Eden Warp Units"].BasePrice) * float64(relative_price) / 100.0)
+ for quantity := addr[Edens]; quantity > 0; quantity-- {
+ other[Edens] = addr[Edens] - quantity
+ if addr[Hold] != 0 {
+ other[UnusedCargo] = addr[UnusedCargo] + quantity
+ }
+ if other[UnusedCargo] < dims[UnusedCargo] {
+ UpdateCell(table, my_index, EncodeIndex(dims, other), -absolute_price * quantity)
+ }
+ }
+ other[Edens] = addr[Edens]
+ other[UnusedCargo] = addr[UnusedCargo]
+ }
+ }
}
func FillStateTable2Iteration(data planet_data, dims []int, table []State,
for addr[Hold] = 0; addr[Hold] < dims[Hold]; addr[Hold]++ {
for addr[Cloaks] = 0; addr[Cloaks] < dims[Cloaks]; addr[Cloaks]++ {
for addr[UnusedCargo] = 0; addr[UnusedCargo] < dims[UnusedCargo]; addr[UnusedCargo]++ {
- for addr[NeedFighters] = 0; addr[NeedFighters] < dims[NeedFighters]; addr[NeedFighters]++ {
- for addr[NeedShields] = 0; addr[NeedShields] < dims[NeedShields]; addr[NeedShields]++ {
+ for addr[BuyFighters] = 0; addr[BuyFighters] < dims[BuyFighters]; addr[BuyFighters]++ {
+ for addr[BuyShields] = 0; addr[BuyShields] < dims[BuyShields]; addr[BuyShields]++ {
for addr[Visit] = 0; addr[Visit] < dims[Visit]; addr[Visit]++ {
f(data, dims, table, addr)
}
}
func FillStateTable2(data planet_data, dims []int, table []State,
-fuel_remaining, edens_remaining int, planet string, barrier chan<- bool) {
- addr := make([]int, len(dims))
- addr[Edens] = edens_remaining
- addr[Fuel] = fuel_remaining
- addr[Location] = data.p2i[planet]
+addr []int, barrier chan<- bool) {
FillStateTable2Iteration(data, dims, table, addr, FillCellByArriving)
FillStateTable2Iteration(data, dims, table, addr, FillCellBySelling)
FillStateTable2Iteration(data, dims, table, addr, FillCellByBuying)
FillStateTable2Iteration(data, dims, table, addr, FillCellByMisc)
- barrier <- true
+ FillStateTable2Iteration(data, dims, table, addr, FillCellByBuyingEdens)
+ if barrier != nil {
+ barrier <- true
+ }
}
/* Filling the state table is a set of nested for loops NumDimensions deep.
work_units := (float64(*fuel) + 1) * (float64(eden_capacity) + 1)
work_done := 0.0
for fuel_remaining := *fuel; fuel_remaining >= 0; fuel_remaining-- {
+ /* Make an Eden-buying pass (Eden vendors' energy gradient
+ * along the Edens dimension runs backwards) */
+ for edens_remaining := 0; edens_remaining <= eden_capacity; edens_remaining++ {
+ for planet := range data.Planets {
+ if _, available := data.Planets[planet].RelativePrices["Eden Warp Units"]; available {
+ addr := make([]int, len(dims))
+ addr[Edens] = edens_remaining
+ addr[Fuel] = fuel_remaining
+ addr[Location] = data.p2i[planet]
+ FillStateTable2(data, dims, table, addr, nil)
+ }
+ }
+ }
for edens_remaining := eden_capacity; edens_remaining >= 0; edens_remaining-- {
+ /* Do the brunt of the work */
for planet := range data.Planets {
- go FillStateTable2(data, dims, table, fuel_remaining,
- edens_remaining, planet, barrier)
+ addr := make([]int, len(dims))
+ addr[Edens] = edens_remaining
+ addr[Fuel] = fuel_remaining
+ addr[Location] = data.p2i[planet]
+ go FillStateTable2(data, dims, table, addr, barrier)
}
for _ = range data.Planets {
<-barrier
}
work_done++
- fmt.Printf("\r%3.0f%%", 100*work_done/work_units)
+ print(fmt.Sprintf("\r%3.0f%%", 100*work_done/work_units))
}
}
print("\n")
addr := make([]int, NumDimensions)
addr[Edens] = *end_edens
addr[Cloaks] = dims[Cloaks] - 1
- addr[NeedFighters] = dims[NeedFighters] - 1
- addr[NeedShields] = dims[NeedShields] - 1
+ addr[BuyFighters] = dims[BuyFighters] - 1
+ addr[BuyShields] = dims[BuyShields] - 1
addr[Visit] = dims[Visit] - 1
- // Fuel, Hold, UnusedCargo left at 0
- var max_index int
+ // Hold and UnusedCargo left at 0
+ max_index := -1
max_value := 0
- for addr[Location] = 0; addr[Location] < dims[Location]; addr[Location]++ {
- index := EncodeIndex(dims, addr)
- if table[index].value > max_value {
- max_value = table[index].value
- max_index = index
+ for addr[Fuel] = 0; addr[Fuel] < 2; addr[Fuel]++ {
+ for addr[Location] = 0; addr[Location] < dims[Location]; addr[Location]++ {
+ if len(end()) == 0 || end()[data.i2p[addr[Location]]] {
+ index := EncodeIndex(dims, addr)
+ if table[index].value > max_value {
+ max_value = table[index].value
+ max_index = index
+ }
+ }
}
}
return max_index
}
+func Commas(n int) (s string) {
+ r := n % 1000
+ n /= 1000
+ for n > 0 {
+ s = fmt.Sprintf(",%03d", r) + s
+ r = n % 1000
+ n /= 1000
+ }
+ s = fmt.Sprint(r) + s
+ return
+}
+
+func DescribePath(data planet_data, dims []int, table []State, start int) (description []string) {
+ for index := start; index > 0 && table[index].from > 0; index = table[index].from {
+ var line string
+ addr := DecodeIndex(dims, index)
+ prev := DecodeIndex(dims, table[index].from)
+ if addr[Fuel] != prev[Fuel] {
+ from := data.i2p[prev[Location]]
+ to := data.i2p[addr[Location]]
+ line += fmt.Sprintf("Jump from %v to %v (%v hyper jump units)", from, to, prev[Fuel]-addr[Fuel])
+ }
+ if addr[Edens] == prev[Edens] - 1 {
+ from := data.i2p[prev[Location]]
+ to := data.i2p[addr[Location]]
+ line += fmt.Sprintf("Eden warp from %v to %v", from, to)
+ }
+ if addr[Hold] != prev[Hold] {
+ if addr[Hold] == 0 {
+ quantity := *hold - (prev[UnusedCargo] + prev[Edens] + prev[Cloaks])
+ line += fmt.Sprintf("Sell %v %v", quantity, data.i2c[prev[Hold]])
+ } else if prev[Hold] == 0 {
+ quantity := *hold - (addr[UnusedCargo] + addr[Edens] + addr[Cloaks])
+ line += fmt.Sprintf("Buy %v %v", quantity, data.i2c[addr[Hold]])
+ } else {
+ panic("Switched cargo?")
+ }
+
+ }
+ if addr[Cloaks] == 1 && prev[Cloaks] == 0 {
+ // TODO: Dump cloaks, convert from cargo?
+ line += "Buy a Cloak"
+ }
+ if addr[Edens] > prev[Edens] {
+ line += fmt.Sprint("Buy ", addr[Edens] - prev[Edens], " Eden Warp Units")
+ }
+ if addr[BuyShields] == 1 && prev[BuyShields] == 0 {
+ line += fmt.Sprint("Buy ", *batteries, " Shield Batterys")
+ }
+ if addr[BuyFighters] == 1 && prev[BuyFighters] == 0 {
+ line += fmt.Sprint("Buy ", *drones, " Fighter Drones")
+ }
+ if addr[Visit] != prev[Visit] {
+ // TODO: verify that the bit chat changed is addr[Location]
+ line += fmt.Sprint("Visit ", data.i2p[addr[Location]])
+ }
+ if line == "" {
+ line = fmt.Sprint(prev, " -> ", addr)
+ }
+ description = append(description, fmt.Sprintf("%13v ", Commas(table[index].value)) + line)
+ }
+ return
+}
+
// (Example of a use case for generics in Go)
func IndexPlanets(m *map[string]Planet, start_at int) (map[string]int, []string) {
e2i := make(map[string]int, len(*m)+start_at)
func main() {
flag.Parse()
+ if *cpuprofile != "" {
+ f, err := os.Create(*cpuprofile)
+ if err != nil {
+ panic(err)
+ }
+ pprof.StartCPUProfile(f)
+ defer pprof.StopCPUProfile()
+ }
data := ReadData()
+ if *drone_price > 0 {
+ temp := data.Commodities["Fighter Drones"]
+ temp.BasePrice = *drone_price
+ data.Commodities["Fighter Drones"] = temp
+ }
+ if *battery_price > 0 {
+ temp := data.Commodities["Shield Batterys"]
+ temp.BasePrice = *battery_price
+ data.Commodities["Shield Batterys"] = temp
+ }
data.p2i, data.i2p = IndexPlanets(&data.Planets, 0)
data.c2i, data.i2c = IndexCommodities(&data.Commodities, 1)
dims := DimensionSizes(data)
table := InitializeStateTable(data, dims)
FillStateTable1(data, dims, table)
best := FindBestState(data, dims, table)
- fmt.Printf("Best state: %v (%v) with $%v\n",
- best, DecodeIndex(dims, best), table[best].value)
+ if best == -1 {
+ print("Cannot acheive success criteria\n")
+ } else {
+ description := DescribePath(data, dims, table, best)
+ for i := len(description) - 1; i >= 0; i-- {
+ fmt.Println(description[i])
+ }
+ }
}
projects / planeteer / blobdiff