Implement combining of items

src/Dodge/Render/HUD.hs

@@ -4,15 +4,17 @@ module Dodge.Render.HUD
     ) where
 import Dodge.Data
 import Dodge.WinScale
+import Dodge.Combine
 import Dodge.Base
 import Dodge.Base.Window
-import Dodge.Combine.Combinations
+--import Dodge.Combine.Combinations
 import Dodge.Inventory
 import Dodge.Render.Connectors
 import Dodge.Render.List
 import Picture
 import Geometry
 import Padding
+import ListHelp
 
 --import Data.Foldable
 import Data.Maybe
@@ -20,6 +22,7 @@ import qualified Data.IntMap.Strict as IM
 import qualified Data.Set as S
 import Control.Lens
 import SDL (MouseButton (..))
+--import Data.List
 --import Data.Bifunctor
 
 hudDrawings :: Configuration -> World -> Picture
@@ -35,7 +38,8 @@ subInventoryDisplay :: Configuration -> World -> Picture
 subInventoryDisplay cfig w = case _inventoryMode w of
     LockedInventory -> mempty -- topInvCursor col cursPos cfig w
     TopInventory -> pictures
-        [ --closeObjectTexts cfig w
+        [ --closeObjectTexts cfig w 
+        selcursor
         ]
     TweakInventory -> pictures
         [ mCurs it cfig w
@@ -43,9 +47,17 @@ subInventoryDisplay cfig w = case _inventoryMode w of
         , cursorsZ cfig cursPos it
         , displayMidList cfig (ammoTweakStrings it) "TWEAK"
         ]
-    CombineInventory -> 
-        displayMidList cfig (combineListStrings w) "COMBINE"
---        invHead cfig "COMBINE"
+    CombineInventory mi -> pictures
+        [ invHead cfig "COMBINE"
+        , listTextPicturesAt 150 60 cfig $ map text $ combineListStrings w
+        , fromMaybe mempty $ do
+            i <- mi
+            return $ listCursorAt 150 60 cfig i white 10 1
+        , fromMaybe mempty $ do
+            i <- mi
+            lnks <- combineListLnks w !? i
+            return $ uncurry (lnkMidPosInvSels cfig w) lnks
+        ]
     InspectInventory -> invHead cfig "INSPECT"
   where 
     itCol = fromMaybe (greyN 0.5) . (^? _Just . itInvColor)
@@ -53,6 +65,24 @@ subInventoryDisplay cfig w = case _inventoryMode w of
     it = yourItem w
     col = itCol it
     cursPos = invSelPos w
+    selcursor 
+        | IM.null inv && null (_closeObjects w) = mempty
+        | otherwise   = listCursorAt 0 0 cfig curpos white curx cury
+    inv = _crInv cr
+    curpos = invSelPos w
+    curx   = 10
+    cury   = fromMaybe 1 $ augmentedInvSizes w IM.!? _crInvSel (you w)
+    cr = _creatures w IM.! 0
+
+lnkMidPosInvSels :: Configuration -> World -> Int -> [Int] -> Picture
+lnkMidPosInvSels cfig w i is = winScale cfig . color white 
+    .  concatMap
+    (zConnect rp) $ map (lp . flip selNumPos w) is
+  where
+    lp ipos = V2 (125 - hw) ( hh - (20 * fromIntegral ipos + 17.5))
+    rp = (V2 (155 - hw) ( hh - (20 * fromIntegral i + 77.5)))
+    hh = halfHeight cfig
+    hw = halfWidth  cfig
 
 cursorsZ :: Configuration -> Int -> Maybe Item -> Picture
 cursorsZ cfig ipos it = case it ^? _Just . itTweaks . tweakSel of
@@ -64,8 +94,12 @@ cursorsZ cfig ipos it = case it ^? _Just . itTweaks . tweakSel of
     hw = halfWidth  cfig
     sp = V2 (125 - hw) ( hh - (20 * fromIntegral ipos + 17.5))
 
+
 combineListStrings :: World -> [String]
-combineListStrings = map (show . snd) . combineList . fmap _itCombineType . yourInv
+combineListStrings = map (show . snd) . combineListYou
+
+combineListLnks :: World -> [(Int,[Int])]
+combineListLnks = zip [0..] . map fst . combineListYou
 
 ammoTweakStrings :: Maybe Item -> [String]
 ammoTweakStrings it = case it ^? _Just . itTweaks . tweakParams of
@@ -107,12 +141,8 @@ invHead cfig s = winScale cfig
 displayInv :: Int -> Configuration -> World -> Picture
 displayInv n cfig w = listTextPicturesAt 0 0 cfig invlist
     <> equipcursor
-    <> selcursor
     <> closeobjectcursor
   where
-    selcursor 
-        | IM.null inv && null (_closeObjects w) = mempty
-        | otherwise   = listCursorAt 0 0 cfig curpos white curx cury
     closeobjectcursor = case selectedCloseObject w of
         Nothing -> mempty
         Just (i,_) -> listCursorAt 50 0 cfig (selNumPos i w) blue 15 (invSelSize i w)
@@ -124,9 +154,9 @@ displayInv n cfig w = listTextPicturesAt 0 0 cfig invlist
         0 -> [color invDimColor . text $ "  INVENTORY FULL"]
         1 -> [color invDimColor . text $ "  +1 FREE SLOT"]
         x -> [color invDimColor . text $ "  +" ++ show x ++ " FREE SLOTS"]
-    curpos = invSelPos w
-    curx   = 10
-    cury   = fromMaybe 1 $ augmentedInvSizes w IM.!? _crInvSel (you w)
+    --curpos = invSelPos w
+    --curx   = 10
+    --cury   = fromMaybe 1 $ augmentedInvSizes w IM.!? _crInvSel (you w)
     equipcursor = case _crLeftInvSel cr of
         Nothing -> mempty
         Just invid -> openCursorAt 20 yellow 0 0 (selNumPos invid w) cfig