FindBestState().

This can now emit an answer.  It is a factor 80x off in a simple
test.  :)

diff --git a/planeteer.go b/planeteer.go
index 7f343b963f051764ccc9e110636013c1efbc0d32..7e915d20b4e8aadc51dd62c3173d8115fa934649 100644 (file)
--- a/planeteer.go
+++ b/planeteer.go
@@ -436,6 +436,26 @@ func FillStateTable1(data planet_data, dims []int, table []State) {
        print("\n")
 }
 
        print("\n")
 }
 

+func FindBestState(data planet_data, dims []int, table []State) int {
+       addr := make([]int, NumDimensions)
+       addr[Edens] = *end_edens
+       addr[Cloaks] = dims[Cloaks] - 1
+       addr[NeedFighters] = dims[NeedFighters] - 1
+       addr[NeedShields] = dims[NeedShields] - 1
+       addr[Visit] = dims[Visit] - 1
+       // Fuel, Hold, UnusedCargo left at 0
+       var max_index int
+       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
+               }
+       }
+       return max_index
+}
+

 // (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)
 // (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)


@@ -468,6 +488,7 @@ func main() {
        dims := DimensionSizes(data)
        table := InitializeStateTable(data, dims)
        FillStateTable1(data, dims, table)
        dims := DimensionSizes(data)
        table := InitializeStateTable(data, dims)
        FillStateTable1(data, dims, table)

-       print("Going to print state table...")
-       fmt.Printf("%v", table)
+       best := FindBestState(data, dims, table)
+       fmt.Printf("Best state: %v (%v) with $%v\n",
+               best, DecodeIndex(dims, best), table[best].value)

 }
 }