game: mplats now move flags and items

[d2df-sdl.git] / src / game / g_items.pas

diff --git a/src/game/g_items.pas b/src/game/g_items.pas
index 88a9cba1c433057f3ede53d4bf118ad43aecbc9c..a69ceaaf811bd9f84f5b07ec41b0e6e2fcf11537 100644 (file)
--- a/src/game/g_items.pas
+++ b/src/game/g_items.pas
@@ -41,8 +41,11 @@ Type
     Obj: TObj;
     Animation: TAnimation;
     dropped: Boolean; // dropped from the monster? drops should be rendered after corpses, so zombie corpse will not obscure ammo container, for example
+    NeedSend: Boolean;
 
     procedure positionChanged (); //WARNING! call this after monster position was changed, or coldet will not work right!
+    procedure getMapBox (out x, y, w, h: Integer); inline;
+    procedure moveBy (dx, dy: Integer); inline;
 
     property myid: Integer read arrIdx;
   end;
@@ -79,7 +82,7 @@ type
   TItemEachAliveCB = function (it: PItem): Boolean is nested; // return `true` to stop
 
 function g_Items_ForEachAlive (cb: TItemEachAliveCB; backwards: Boolean=false): Boolean;
-
+function g_Items_NextAlive (startIdx: Integer): PItem;
 
 var
   gItemsTexturesID: Array [1..ITEM_MAX] of DWORD;
@@ -133,8 +136,26 @@ end;
 // ////////////////////////////////////////////////////////////////////////// //
 procedure TItem.positionChanged ();
 begin
+  NeedSend := NeedSend or (Obj.X <> Obj.oldX) or (Obj.Y <> Obj.oldY);
 end;
 
+procedure TItem.getMapBox (out x, y, w, h: Integer); inline;
+begin
+  x := Obj.X+Obj.Rect.X;
+  y := Obj.Y+Obj.Rect.Y;
+  w := Obj.Rect.Width;
+  h := Obj.Rect.Height;
+end;
+
+procedure TItem.moveBy (dx, dy: Integer); inline;
+begin
+  if (dx <> 0) or (dy <> 0) then
+  begin
+    Obj.X += dx;
+    Obj.Y += dy;
+    positionChanged();
+  end;
+end;
 
 // ////////////////////////////////////////////////////////////////////////// //
 const
@@ -348,6 +369,7 @@ begin
   it.alive := False;
   it.SpawnTrigger := -1;
   it.ItemType := ITEM_NONE;
+  it.NeedSend := false;
   freeIds.release(LongWord(idx));
 end;
 
@@ -371,6 +393,7 @@ begin
     it.alive := false;
     it.SpawnTrigger := -1;
     it.Respawnable := false;
+    it.NeedSend := false;
     //if not freeIds.hasFree[LongWord(i)] then raise Exception.Create('internal error in item idx manager');
   end;
 end;
@@ -461,10 +484,9 @@ begin
   it.alive := True;
   it.QuietRespawn := False;
   it.dropped := false;
+  it.NeedSend := false;
 
   g_Obj_Init(@it.Obj);
-  it.Obj.oldX := X;
-  it.Obj.oldY := Y;
   it.Obj.X := X;
   it.Obj.Y := Y;
   it.Obj.Rect.Width := ITEMSIZE[ItemType][0];
@@ -485,6 +507,9 @@ begin
     end;
   end;
 
+  it.Obj.oldX := it.Obj.X;
+  it.Obj.oldY := it.Obj.Y;
+
   // Óñòàíîâêà àíèìàöèè
   case it.ItemType of
     ITEM_ARMOR_GREEN: if g_Frames_Get(ID, 'FRAMES_ITEM_ARMORGREEN') then it.Animation := TAnimation.Create(ID, True, 20);
@@ -887,6 +912,19 @@ begin
   end;
 end;
 
+function g_Items_NextAlive (startIdx: Integer): PItem;
+var
+  idx: Integer;
+begin
+  result := nil;
+  if (ggItems = nil) or (startIdx >= High(ggItems)) then exit;
+  for idx := startIdx + 1 to High(ggItems) do
+    if ggItems[idx].alive and ggItems[idx].slotIsUsed then
+    begin
+      result := @ggItems[idx];
+      exit;
+    end;
+end;
 
 // ////////////////////////////////////////////////////////////////////////// //
 procedure g_Items_EmitPickupSound (idx: Integer);