From f886dc2f03a75b12749ad029134b70c346aea194 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Tue, 23 May 2023 22:52:01 +0100
Subject: Deadly blocks kill the player

Implemented "auto-checkpoints" based on where the player lands after a
jump.
---
 src/Game/Entities/Player.hs | 22 +++++++++++++++-------
 src/Game/Entities/Types.hs  |  3 ++-
 2 files changed, 17 insertions(+), 8 deletions(-)

(limited to 'src/Game/Entities')

diff --git a/src/Game/Entities/Player.hs b/src/Game/Entities/Player.hs
index 620f236..82e528a 100644
--- a/src/Game/Entities/Player.hs
+++ b/src/Game/Entities/Player.hs
@@ -10,8 +10,8 @@ import qualified Game.Sprites as S
 dyingSet :: Int
 dyingSet = 2
 
-mkPlayer :: S.SpriteSheet -> Int -> Int -> IORef C.Controls -> IsBlocked -> IO Entity
-mkPlayer sprites x y controls isBlocked = do
+mkPlayer :: S.SpriteSheet -> Int -> Int -> IORef C.Controls -> IsBlocked -> IsBlocked -> IO Entity
+mkPlayer sprites x y controls isBlocked isBlockedDeadly = do
   s <- S.get sprites "player"
   pure
     Entity
@@ -25,10 +25,10 @@ mkPlayer sprites x y controls isBlocked = do
         gravity = gravityOff,
         dir = DirRight,
         sprite = s,
-        update = updatePlayer controls isBlocked,
+        update = updatePlayer controls isBlocked isBlockedDeadly,
         destroy = False,
         actions = [],
-        dat = NoData
+        dat = PlayerData x y
       }
 
 updateHorizontal :: IsBlocked -> Bool -> Bool -> Entity -> Entity
@@ -62,12 +62,20 @@ updateVertical isBlocked jump down e
       e {gravity = gravityDown, frame = jumpFrame, y = e.y + 1}
   | otherwise = e
 
-updatePlayer :: IORef C.Controls -> IsBlocked -> Entity -> IO Entity
-updatePlayer controls isBlocked e
+updateGravityCheckDeadly :: IsBlocked -> IsBlocked -> Entity -> Entity
+updateGravityCheckDeadly isBlocked isBlockedDeadly e
+  | isBlockedDeadly (updated.x + 8) (updated.y + 24) = updated {actions = updated.actions ++ [ActionHitPlayerDeadly]}
+  | updated.gravity == gravityOff && e.gravity /= gravityOff = updated {dat = PlayerData updated.x updated.y}
+  | otherwise = updated
+  where
+    updated = updateGravity isBlocked e
+
+updatePlayer :: IORef C.Controls -> IsBlocked -> IsBlocked -> Entity -> IO Entity
+updatePlayer controls isBlocked isBlockedDeadly e
   | e.set /= dyingSet = do
       ctl <- readIORef controls
       pure $
-        updateGravity isBlocked $
+        updateGravityCheckDeadly isBlocked isBlockedDeadly $
           updateVertical isBlocked ctl.a ctl.down $
             updateHorizontal isBlocked ctl.left ctl.right $
               -- left or right, but not both (keyboard)
diff --git a/src/Game/Entities/Types.hs b/src/Game/Entities/Types.hs
index e9ca02f..765800f 100644
--- a/src/Game/Entities/Types.hs
+++ b/src/Game/Entities/Types.hs
@@ -17,7 +17,7 @@ data Dir = DirRight | DirLeft deriving (Eq, Show, Ord)
 
 data Type = TypePlayer | TypePickup | TypeEffect | TypeEnemy deriving (Eq)
 
-data EntityData = NoData | ShooterData {coolDown :: Int} | RunnerData {wallCount :: Int}
+data EntityData = NoData | ShooterData {coolDown :: Int} | RunnerData {wallCount :: Int} | PlayerData {checkx :: Int, checky :: Int}
 
 type Collision = Entity -> IO Bool
 
@@ -36,6 +36,7 @@ data Action
   = ActionAddEffect Int Int EffectName
   | ActionAddBattery Int Int
   | ActionHitPlayer
+  | ActionHitPlayerDeadly
   | ActionExitStarted
   | ActionEntryDone
   | ActionExitDone
-- 
cgit v1.2.3