X-Git-Url: http://git.scottworley.com/planeteer/blobdiff_plain/688733e10ee5b44d4d21ac73e69d6daad76c9745..c5ac83cefbee6584612b4ceddbcc52358ad37068:/planeteer.go diff --git a/planeteer.go b/planeteer.go index d78f779..72f9935 100644 --- a/planeteer.go +++ b/planeteer.go @@ -65,8 +65,8 @@ var visit_string = flag.String("visit", "", var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file") - var visit_cache []string + func visit() []string { if visit_cache == nil { if *visit_string == "" { @@ -78,6 +78,7 @@ func visit() []string { } var flight_plan_cache []string + func flight_plan() []string { if flight_plan_cache == nil { if *flight_plan_string == "" { @@ -89,6 +90,7 @@ func flight_plan() []string { } var end_cache map[string]bool + func end() map[string]bool { if end_cache == nil { if *end_string == "" { @@ -110,7 +112,7 @@ type Commodity struct { } type Planet struct { BeaconOn bool - Private 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 @@ -178,16 +180,16 @@ func ReadData() (data planet_data) { // The official list of dimensions: const ( // Name Num Size Description - Edens = iota // 1 3 # of Eden warp units (0 - 2 typically) - Cloaks // 2 1-2 # of Devices of Cloaking (0 or 1) - UnusedCargo // 3 4 # of unused cargo spaces (0 - 3 typically) - 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) - Traded // 7 2 Traded yet? - BuyFighters // 8 1-2 Errand: Buy fighter drones - BuyShields // 9 1-2 Errand: Buy shield batteries - Visit // 10 1-2**N Visit: Stop by these N planets in the route + Edens = iota // 1 3 # of Eden warp units (0 - 2 typically) + Cloaks // 2 1-2 # of Devices of Cloaking (0 or 1) + UnusedCargo // 3 4 # of unused cargo spaces (0 - 3 typically) + 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) + Traded // 7 2 Traded yet? + BuyFighters // 8 1-2 Errand: Buy fighter drones + BuyShields // 9 1-2 Errand: Buy shield batteries + Visit // 10 1-2**N Visit: Stop by these N planets in the route NumDimensions ) @@ -238,9 +240,13 @@ type State struct { value, from int32 } -const CELL_UNINITIALIZED = -2147483647 -const CELL_BEING_EVALUATED = -2147483646 -const CELL_RUBISH = -2147483645 +const ( + FROM_ROOT = -2147483647 + iota + FROM_UNINITIALIZED + VALUE_UNINITIALIZED + VALUE_BEING_EVALUATED + VALUE_RUBISH +) func EncodeIndex(dims, addr []int) int32 { index := addr[0] @@ -269,7 +275,8 @@ func DecodeIndex(dims []int, index int32) []int { func CreateStateTable(data planet_data, dims []int) []State { table := make([]State, StateTableSize(dims)) for i := range table { - table[i].value = CELL_UNINITIALIZED + table[i].value = VALUE_UNINITIALIZED + table[i].from = FROM_UNINITIALIZED } addr := make([]int, NumDimensions) @@ -277,7 +284,9 @@ func CreateStateTable(data planet_data, dims []int) []State { addr[Edens] = *start_edens addr[Location] = data.p2i[*start] addr[Traded] = 1 - table[EncodeIndex(dims, addr)].value = int32(*funds) + start_index := EncodeIndex(dims, addr) + table[start_index].value = int32(*funds) + table[start_index].from = FROM_ROOT return table } @@ -299,17 +308,18 @@ func Consider(data planet_data, dims []int, table []State, there []int, value_di } var cell_filled_count int + func CellValue(data planet_data, dims []int, table []State, addr []int) int32 { my_index := EncodeIndex(dims, addr) - if table[my_index].value == CELL_BEING_EVALUATED { + if table[my_index].value == VALUE_BEING_EVALUATED { panic("Circular dependency") } - if table[my_index].value != CELL_UNINITIALIZED { + if table[my_index].value != VALUE_UNINITIALIZED { return table[my_index].value } - table[my_index].value = CELL_BEING_EVALUATED + table[my_index].value = VALUE_BEING_EVALUATED - best_value := int32(CELL_RUBISH) + best_value := int32(VALUE_RUBISH) best_source := make([]int, NumDimensions) other := make([]int, NumDimensions) copy(other, addr) @@ -348,7 +358,7 @@ func CellValue(data planet_data, dims []int, table []State, addr []int) int32 { } /* Travel here via Eden Warp Unit */ - if addr[Edens]+1 < dims[Edens] && addr[UnusedCargo] > 1 { + if addr[Edens]+1 < dims[Edens] && addr[UnusedCargo] > 0 { _, available := data.Planets[data.i2p[addr[Location]]].RelativePrices["Eden Warp Units"] if !available { other[Edens] = addr[Edens] + 1 @@ -421,6 +431,7 @@ func CellValue(data planet_data, dims []int, table []State, addr []int) int32 { } } } + other[Traded] = addr[Traded] } /* Buy a Device of Cloaking */ @@ -444,7 +455,7 @@ func CellValue(data planet_data, dims []int, table []State, addr []int) int32 { if available { absolute_price := int(float64(data.Commodities["Fighter Drones"].BasePrice) * float64(relative_price) / 100.0) other[BuyFighters] = 0 - Consider(data, dims, table, other, -absolute_price * *drones, &best_value, best_source) + Consider(data, dims, table, other, -absolute_price**drones, &best_value, best_source) other[BuyFighters] = addr[BuyFighters] } } @@ -455,7 +466,7 @@ func CellValue(data planet_data, dims []int, table []State, addr []int) int32 { if available { absolute_price := int(float64(data.Commodities["Shield Batterys"].BasePrice) * float64(relative_price) / 100.0) other[BuyShields] = 0 - Consider(data, dims, table, other, -absolute_price * *batteries, &best_value, best_source) + Consider(data, dims, table, other, -absolute_price**batteries, &best_value, best_source) other[BuyShields] = addr[BuyShields] } } @@ -463,7 +474,7 @@ func CellValue(data planet_data, dims []int, table []State, addr []int) int32 { /* 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]] { + if addr[Visit]&(1< 0 && table[index].from > 0; index = table[index].from { + for index := start; table[index].from > FROM_ROOT; index = table[index].from { + if table[index].from == FROM_UNINITIALIZED { + panic(index) + } var line string addr := DecodeIndex(dims, index) prev := DecodeIndex(dims, table[index].from) @@ -569,7 +583,7 @@ func DescribePath(data planet_data, dims []int, table []State, start int32) (des 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 { + 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) @@ -591,7 +605,7 @@ func DescribePath(data planet_data, dims []int, table []State, start int32) (des line += "Buy a Cloak" } if addr[Edens] > prev[Edens] { - line += fmt.Sprint("Buy ", addr[Edens] - prev[Edens], " Eden Warp Units") + 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") @@ -611,7 +625,7 @@ func DescribePath(data planet_data, dims []int, table []State, start int32) (des if line == "" { line = fmt.Sprint(prev, " -> ", addr) } - description = append(description, fmt.Sprintf("%13v ", Commas(table[index].value)) + line) + description = append(description, fmt.Sprintf("%13v ", Commas(table[index].value))+line) } return } @@ -642,6 +656,10 @@ func IndexCommodities(m *map[string]Commodity, start_at int) (map[string]int, [] func main() { flag.Parse() + if *start == "" || *funds == 0 { + print("--start and --funds are required. --help for more\n") + return + } if *cpuprofile != "" { f, err := os.Create(*cpuprofile) if err != nil {