358 lines
7.7 KiB
Standard ML
358 lines
7.7 KiB
Standard ML
signature PLAYER_PATCH =
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sig
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datatype player_patch =
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W_X_AXIS of GameType.x_axis
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| W_Y_AXIS of GameType.y_axis
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| W_RECOIL of GameType.player_recoil
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| W_ATTACKED of GameType.player_attacked
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| W_MAIN_ATTACK of GameType.main_attack
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| W_FACING of GameType.facing
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| W_HEALTH of int
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| W_X of int
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| W_Y of int
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| W_JUMP_PRESSED of bool
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| W_ENEMIES of GameType.defeated_enemies vector
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| W_CHARGE of int
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| W_PROJECTILES of GameType.player_projectile vector
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| W_PLAT_ID of int
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val withPatch: GameType.player * player_patch -> GameType.player
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val withPatches: GameType.player * player_patch list -> GameType.player
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end
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structure PlayerPatch: PLAYER_PATCH =
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struct
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datatype player_patch =
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W_X_AXIS of GameType.x_axis
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| W_Y_AXIS of GameType.y_axis
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| W_RECOIL of GameType.player_recoil
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| W_ATTACKED of GameType.player_attacked
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| W_MAIN_ATTACK of GameType.main_attack
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| W_FACING of GameType.facing
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| W_HEALTH of int
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| W_X of int
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| W_Y of int
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| W_JUMP_PRESSED of bool
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| W_ENEMIES of GameType.defeated_enemies vector
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| W_CHARGE of int
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| W_PROJECTILES of GameType.player_projectile vector
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| W_PLAT_ID of int
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fun mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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) =
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{ yAxis = yAxis
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, xAxis = xAxis
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, recoil = recoil
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, attacked = attacked
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, mainAttack = mainAttack
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, mainAttackPressed = mainAttackPressed
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, facing = facing
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, health = health
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, x = x
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, y = y
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, jumpPressed = jumpPressed
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, enemies = enemies
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, charge = charge
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, projectiles = projectiles
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, platID = platID
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}
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fun withPatch (player, patch) =
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let
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val
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{ yAxis
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, xAxis
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, recoil
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, attacked
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, mainAttack
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, mainAttackPressed
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, facing
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, health
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, x
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, y
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, jumpPressed
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, enemies
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, charge
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, projectiles
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, platID
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} = player
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in
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case patch of
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W_X_AXIS xAxis =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_Y_AXIS yAxis =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_RECOIL recoil =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_ATTACKED attacked =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_MAIN_ATTACK mainAttack =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_FACING facing =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_HEALTH health =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_X x =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_Y y =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_JUMP_PRESSED jumpPressed =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_ENEMIES enemies =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_CHARGE charge =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_PROJECTILES projectiles =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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| W_PLAT_ID platID =>
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mkPlayer
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( health
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, xAxis
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, yAxis
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, x
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, y
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, jumpPressed
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, recoil
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, attacked
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, mainAttack
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, facing
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, mainAttackPressed
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, enemies
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, charge
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, projectiles
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, platID
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)
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end
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fun withPatches (player: GameType.player, lst) =
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case lst of
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hd :: tl =>
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let val player = withPatch (player, hd)
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in withPatches (player, tl)
|
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end
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| [] => player
|
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end
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