replaced "pvs" for lights with grid

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

diff --git a/src/game/g_map.pas b/src/game/g_map.pas
index 730812cdd2e16113909fb57d2e888277aef0a807..b2e35c0eb0b3044abc5308cd98354f286651a9c8 100644 (file)
--- a/src/game/g_map.pas
+++ b/src/game/g_map.pas
@@ -89,8 +89,6 @@ function g_Map_PanelForPID(PanelID: Integer; var PanelArrayID: Integer): PPanel;
 procedure g_Map_SaveState(Var Mem: TBinMemoryWriter);
 procedure g_Map_LoadState(Var Mem: TBinMemoryReader);
 
-// build "possibly lit panels" index, so we can avoid looping over all level panels again and again
-function g_Map_BuildPLP (ltminx, ltminy, ltmaxx, ltmaxy: Integer): Boolean; // returns `false` if no patels lit
 procedure g_Map_DrawPanelShadowVolumes(lightX: Integer; lightY: Integer; radius: Integer);
 
 const
@@ -1912,67 +1910,23 @@ begin
   end;
 end;
 
-var
-  plpset: array of Integer = nil; // potentially lit panels
-  plpcount: Integer; // to avoid constant reallocations
-
-function g_Map_BuildPLP (ltminx, ltminy, ltmaxx, ltmaxy: Integer): Boolean;
-var
-  idx: Integer;
-  panels: TPanelArray;
-begin
-  panels := gWalls;
-  plpcount := 0;
-  if (ltminx < ltmaxx) and (ltminy < ltmaxy) then
-  begin
-    if panels <> nil then
-    begin
-      for idx := 0 to High(panels) do
-      begin
-        if (panels[idx].Width < 1) or (panels[idx].Height < 1) then continue;
-        if (panels[idx].X+panels[idx].Width <= ltminx) then continue;
-        if (panels[idx].Y+panels[idx].Height <= ltminy) then continue;
-        if (panels[idx].X > ltmaxx) then continue;
-        if (panels[idx].Y > ltmaxy) then continue;
-        if plpcount = length(plpset) then SetLength(plpset, plpcount+32768);
-        plpset[plpcount] := idx;
-        Inc(plpcount);
-      end;
-      //e_WriteLog(Format('%d panels left out of %d', [plpcount, Length(panels)]), MSG_NOTIFY);
-    end;
-  end;
-  result := (plpcount > 0);
-end;
 
 procedure g_Map_DrawPanelShadowVolumes(lightX: Integer; lightY: Integer; radius: Integer);
-
-  (* old
-  procedure drawPanels (var panels: TPanelArray);
+  function qq (obj: TObject; tag: Integer): Boolean;
   var
-    a: Integer;
+    pan: TPanel;
   begin
-    if panels <> nil then
-    begin
-      for a := 0 to High(panels) do
-      begin
-        panels[a].DrawShadowVolume(lightX, lightY, radius);
-      end;
-    end;
+    result := false; // don't stop, ever
+    if (tag <> PANEL_WALL) then exit; // only walls
+    pan := (obj as TPanel);
+    pan.DrawShadowVolume(lightX, lightY, radius);
   end;
-  *)
-var
-  idx: Integer;
+
 begin
-  (*
-  drawPanels(gWalls);
-  //drawPanels(gRenderForegrounds);
-  *)
-  for idx := 0 to plpcount-1 do
-  begin
-    gWalls[plpset[idx]].DrawShadowVolume(lightX, lightY, radius);
-  end;
+  gMapGrid.forEachInAABB(lightX-radius, lightY-radius, radius*2, radius*2, qq);
 end;
 
+
 procedure g_Map_DrawBack(dx, dy: Integer);
 begin
   if gDrawBackGround and (BackID <> DWORD(-1)) then