go-command and movegen

carokanns · carokanns · commit ff3e15ba80f0 · 2018-03-07T19:30:36.000+01:00
diff --git a/engine-interface.txt b/engine-interface.txt
@@ -436,7 +436,7 @@ This is how the communication when the engine boots can look like:
 
 uci
 
-      	id name GoBit
+      	id name BinGo
 	  	id author Carokanns
 		option name Hash type spin default 1 min 1 max 128
   		option name Style type combo default Normal var Solid var Normal var Risky
diff --git a/engine.go b/engine.go
@@ -1,7 +1,32 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+	"math"
+)
 
+type searchLimits struct {
+	depth    int
+	nodes    uint64
+	moveTime int // in milliseconds
+	infinite bool
+}
+
+var limits searchLimits
+
+func (s *searchLimits) init() {
+	s.depth = 9999
+	s.nodes = math.MaxUint64
+	s.moveTime = 99999999999
+	s.infinite = false
+}
+
+func (s *searchLimits) setDepth(d int) {
+	s.depth = d
+}
+func (s *searchLimits) setMoveTime(m int) {
+	s.moveTime = m
+}
 func engine() (toEngine chan string, frEngine chan string) {
 	fmt.Println("info string Hello from engine")
 	frEngine = make(chan string)
@@ -12,6 +37,10 @@ func engine() (toEngine chan string, frEngine chan string) {
 			switch cmd {
 			case "stop":
 			case "quit":
+			case "go":
+				tell("info string Im thinking")
+				// TODO start the thinking process in the engine from "go"
+
 			}
 		}
 	}()
diff --git a/move.go b/move.go
@@ -0,0 +1,32 @@
+package main
+
+// directions
+const (
+	E  = +1
+	W  = -1
+	N  = 8
+	S  = -8
+	NW = +7
+	NE = +9
+	SW = -NE
+	SE = -NW
+)
+
+var pieceRules[nP][]int // not pawns
+type moveList struct {
+	mv []move
+}
+func init(){
+	pieceRules[Rook] = append(pieceRules[Rook],E)
+	pieceRules[Rook] = append(pieceRules[Rook],W)
+	pieceRules[Rook] = append(pieceRules[Rook],N)
+	pieceRules[Rook] = append(pieceRules[Rook],S)
+}
+
+func (ml *moveList) add(mv move) {
+	ml.mv = append(ml.mv, mv)
+}
+
+type move uint64
+
+var ml = moveList{}
diff --git a/position.go b/position.go
@@ -170,6 +170,17 @@ func (b *boardStruct) newGame() {
 	b.clear()
 	parseFEN(startpos)
 }
+func (b *boardStruct) genRookMoves() {
+	sd := b.stm
+	frBB := b.pieceBB[Rook] & b.wbBB[sd]
+	p12 := pc2P12(Rook,sd)
+	b.genFrMoves(p12,frBB,&ml)
+}
+
+func (b *boardStruct) genFrMoves(p12 int, frBB bitBoard, ml *moveList){
+	// TODO finish genRookMoves
+}
+
 
 //////////////////////////////////// my own commands - NOT UCI /////////////////////////////////////
 func (b *boardStruct) Print() {
diff --git a/uci.go b/uci.go
@@ -16,7 +16,7 @@ var saveBm = ""
 
 func uci(input chan string) {
 	fmt.Println("info string Hello from uci")
-	// TODO: Two non UCI-commands PB and PBB
+
 	toEng, frEng := engine()
 	bInfinite := false
 	var cmd string
@@ -153,9 +153,10 @@ func handleSetOption(words []string) {
 	tell("info string setoption not implemented")
 }
 
-// go  searchmoves <move1-moveii>/ponder/wtime <ms>/ btime <ms>/winc <ms>/binc <ms>/movestogo <x>/depth <x>/nodes <x>/movetime <ms>/mate <x>/infinite
+// go  searchmoves <move1-moveii>/ponder/wtime <ms>/ btime <ms>/winc <ms>/binc <ms>/movestogo <x>/
+//     depth <x>/nodes <x>/movetime <ms>/mate <x>/infinite
 func handleGo(words []string) {
-	// TODO: Start with the go-command
+	// TODO: Start with moeveTime and infinite
 	if len(words) > 1 {
 		words[1] = trim(low(words[1]))
 		switch words[1] {
