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implemented Game#updateBranch and deleted Game#makeMove #46

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Merged
mogproject merged 1 commit into from
Apr 23, 2017
Merged

implemented Game#updateBranch and deleted Game#makeMove #46

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9 changes: 5 additions & 4 deletions shared/src/main/scala/com/mogproject/mogami/core/game/Game.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -25,20 +25,21 @@ case class Game(trunk: Branch = Branch(),

def deleteBranch(branchNo: BranchNo): Option[Game] = ???

def makeMove(move: Move, branchNo: BranchNo = 0): Option[Game] =
def updateBranch(branchNo: BranchNo)(f: Branch => Option[Branch]): Option[Game] = {
if (branchNo == 0) {
trunk.makeMove(move).map(tr => this.copy(trunk = tr))
f(trunk).map(tr => this.copy(trunk = tr))
} else {
for {
br <- getBranch(branchNo)
index = branchNo - 1
nxt <- br.makeMove(move)
nxt <- f(br)
} yield {
this.copy(branches = branches.updated(index, nxt))
}
}
}

// aliases to the trunk
// aliases to the trunk (will be deprecated)
def moves: Vector[Move] = trunk.moves

def lastState: State = trunk.lastState
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