Decompose daemons.go; daemon dispatch becomes a table (step 7)

runDaemon's switch becomes gameData.daemonHandlers (the C d_func
function pointers restored as method expressions); stomach splits into
stomachFaint/stomachDigest; visuals gains visualMonsters. daemons.go
is complexity-clean. Behavior and RNG call order unchanged.

game/tables.go

@@ -151,6 +151,10 @@ type gameData struct {
 	// trapHandlers dispatches each sprung trap to its effect method:
 	// the cases of the move.c be_trapped switch.
 	trapHandlers [NumTrapTypes]func(g *RogueGame, tc Coord)
+
+	// daemonHandlers dispatches DaemonIDs to their callbacks: the C
+	// d_func function pointers (daemons.c / daemon.c).
+	daemonHandlers [DTurnSee + 1]func(g *RogueGame, arg int)
 }
 
 // ripWall is the repeated blank wall line of the tombstone art.
@@ -826,6 +830,24 @@ func newGameData() *gameData {
 			TrapRust:     (*RogueGame).trapRust,
 			TrapMystery:  (*RogueGame).trapMystery,
 		},
+
+		daemonHandlers: [DTurnSee + 1]func(*RogueGame, int){
+			DRollwand:  (*RogueGame).rollwand,
+			DDoctor:    (*RogueGame).doctor,
+			DStomach:   (*RogueGame).stomach,
+			DRunners:   (*RogueGame).runners,
+			DSwander:   (*RogueGame).swander,
+			DNohaste:   (*RogueGame).nohaste,
+			DUnconfuse: (*RogueGame).unconfuse,
+			DUnsee:     (*RogueGame).unsee,
+			DSight:     (*RogueGame).sight,
+			DVisuals:   (*RogueGame).visuals,
+			DComeDown:  (*RogueGame).comeDown,
+			DLand:      (*RogueGame).land,
+			DTurnSee: func(g *RogueGame, arg int) {
+				g.turnSee(arg != 0)
+			},
+		},
 	}
 }