X-Git-Url: http://git.scottworley.com/planeteer/blobdiff_plain/ada59973ea301cad7d858ce76340a66d5e58bd43..d1ad6058bb610fc8880108ba7181f32642f69763:/planeteer.go

diff --git a/planeteer.go b/planeteer.go
index 1de4687..12bf879 100644
--- a/planeteer.go
+++ b/planeteer.go
@@ -32,7 +32,7 @@ var start = flag.String("start", "",
 var flight_plan_string = flag.String("flight_plan", "",
 	"Your hidey-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",
@@ -60,18 +60,29 @@ var visit_string = flag.String("visit", "",
 
 func visit() []string {
 	if *visit_string == "" {
-		return []string{}
+		return nil
 	}
 	return strings.Split(*visit_string, ",")
 }
 
 func flight_plan() []string {
 	if *flight_plan_string == "" {
-		return []string{}
+		return nil
 	}
 	return strings.Split(*flight_plan_string, ",")
 }
 
+func end() map[string]bool {
+	if *end_string == "" {
+		return nil
+	}
+	m := make(map[string]bool)
+	for _, p := range strings.Split(*end_string, ",") {
+		m[p] = true
+	}
+	return m
+}
+
 type Commodity struct {
 	BasePrice int
 	CanSell   bool
@@ -210,7 +221,7 @@ func EncodeIndex(dims, addr []int) int {
 		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]
@@ -267,7 +278,9 @@ func FillCellByArriving(data planet_data, dims []int, table []State, addr []int)
 	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]
@@ -276,23 +289,30 @@ func FillCellByArriving(data planet_data, dims []int, table []State, addr []int)
 	/* Travel here via a hidey 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) {
@@ -354,21 +374,26 @@ func FillCellByBuying(data planet_data, dims []int, table []State, addr []int) {
 	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) {
 	my_index := EncodeIndex(dims, addr)
 	other := make([]int, NumDimensions)
 	copy(other, addr)
-	/* Buy Eden warp units */
+
 	/* 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
-			other[UnusedCargo] = addr[UnusedCargo] + 1
+			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]
@@ -380,6 +405,32 @@ func FillCellByMisc(data planet_data, dims []int, table []State, addr []int) {
 	/* Visit this planet */
 }
 
+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,
 addr []int, f func(planet_data, []int, []State, []int)) {
 	/* TODO: Justify the safety of the combination of this dimension
@@ -400,11 +451,7 @@ addr []int, f func(planet_data, []int, []State, []int)) {
 }
 
 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)
@@ -436,9 +483,13 @@ func FillStateTable1(data planet_data, dims []int, table []State) {
 	work_done := 0.0
 	for fuel_remaining := *fuel; fuel_remaining >= 0; fuel_remaining-- {
 		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
@@ -446,6 +497,15 @@ func FillStateTable1(data planet_data, dims []int, table []State) {
 			work_done++
 			print(fmt.Sprintf("\r%3.0f%%", 100*work_done/work_units))
 		}
+		/* Make an Eden-buying pass (uphill) */
+		addr := make([]int, len(dims))
+		addr[Fuel] = fuel_remaining
+		for addr[Edens] = 0; addr[Edens] <= eden_capacity; addr[Edens]++ {
+			for planet := range data.Planets {
+				addr[Location] = data.p2i[planet]
+				FillStateTable2Iteration(data, dims, table, addr, FillCellByBuyingEdens)
+			}
+		}
 	}
 	print("\n")
 }
@@ -461,10 +521,12 @@ func FindBestState(data planet_data, dims []int, table []State) int {
 	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
+		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
@@ -484,33 +546,42 @@ func Commas(n int) (s string) {
 
 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 {
-		line := fmt.Sprintf("%13v", Commas(table[index].value))
+		var line string
 		addr := DecodeIndex(dims, index)
 		prev := DecodeIndex(dims, table[index].from)
-		if addr[Location] != prev[Location] {
+		if addr[Fuel] != prev[Fuel] {
 			from := data.i2p[prev[Location]]
 			to := data.i2p[addr[Location]]
-			if addr[Fuel] != prev[Fuel] {
-				line += fmt.Sprintf(" Jump from %v to %v (%v reactor units)", from, to, prev[Fuel]-addr[Fuel])
-			} else if addr[Edens] != prev[Edens] {
-				line += fmt.Sprintf(" Eden warp from %v to %v", from, to)
-			} else {
-				panic("Traveling without fuel?")
-			}
+			line += fmt.Sprintf("Jump from %v to %v (%v reactor 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]])
+				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]])
+				line += fmt.Sprintf("Buy %v %v", quantity, data.i2c[addr[Hold]])
 			} else {
 				panic("Switched cargo?")
 			}
 
 		}
-		description = append(description, line)
+		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 line == "" {
+			line = fmt.Sprint(prev, " -> ", addr)
+		}
+		description = append(description, fmt.Sprintf("%13v ", Commas(table[index].value)) + line)
 	}
 	return
 }
@@ -551,8 +622,6 @@ func main() {
 	if best == -1 {
 		print("Cannot acheive success criteria\n")
 	} else {
-		fmt.Printf("Best state: %v (%v) with $%v\n",
-			best, DecodeIndex(dims, best), Commas(table[best].value))
 		description := DescribePath(data, dims, table, best)
 		for i := len(description) - 1; i >= 0; i-- {
 			fmt.Println(description[i])