some fixes for recursive grid queries (grid doesn't support recursive queries, but...

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

diff --git a/src/game/g_map.pas b/src/game/g_map.pas
index bbe1d6c3c7dc535a53ed9b84e1ffd31d84e459c1..4f86e9b0d3f14ddc3f21e097756080f4996e2e12 100644 (file)
--- a/src/game/g_map.pas
+++ b/src/game/g_map.pas
@@ -92,17 +92,23 @@ procedure g_Map_LoadState(Var Mem: TBinMemoryReader);
 
 procedure g_Map_DrawPanelShadowVolumes(lightX: Integer; lightY: Integer; radius: Integer);
 
-// returns wall index in `gWalls` or -1
+// returns panel or nil
+// sets `ex` and `ey` to `x1` and `y1` when no hit was detected
 function g_Map_traceToNearestWall (x0, y0, x1, y1: Integer; hitx: PInteger=nil; hity: PInteger=nil): TPanel;
 
+// returns panel or nil
+// sets `ex` and `ey` to `x1` and `y1` when no hit was detected
+function g_Map_traceToNearest (x0, y0, x1, y1: Integer; tag: Integer; hitx: PInteger=nil; hity: PInteger=nil): TPanel;
+
 type
   TForEachPanelCB = function (pan: TPanel): Boolean; // return `true` to stop
 
 function g_Map_HasAnyPanelAtPoint (x, y: Integer; panelType: Word): Boolean;
+function g_Map_PanelAtPoint (x, y: Integer; tagmask: Integer=-1): TPanel;
 
 // trace liquid, stepping by `dx` and `dy`
 // return last seen liquid coords, and `false` if we're started outside of the liquid
-function g_Map_TraceLiquid (x, y, dx, dy: Integer; out topx, topy: Integer): Boolean;
+function g_Map_TraceLiquidNonPrecise (x, y, dx, dy: Integer; out topx, topy: Integer): Boolean;
 
 
 procedure g_Map_ProfilersBegin ();
@@ -192,7 +198,7 @@ type
   TPanelGrid = specialize TBodyGridBase<TPanel>;
 
 var
-  mapGrid: TPanelGrid = nil;
+  mapGrid: TPanelGrid = nil; // DO NOT USE! public for debugging only!
 
 
 implementation
@@ -299,6 +305,24 @@ begin
   end;
 end;
 
+// returns panel or nil
+function g_Map_traceToNearest (x0, y0, x1, y1: Integer; tag: Integer; hitx: PInteger=nil; hity: PInteger=nil): TPanel;
+var
+  ex, ey: Integer;
+begin
+  result := mapGrid.traceRay(ex, ey, x0, y0, x1, y1, nil, tag);
+  if (result <> nil) then
+  begin
+    if (hitx <> nil) then hitx^ := ex;
+    if (hity <> nil) then hity^ := ey;
+  end
+  else
+  begin
+    if (hitx <> nil) then hitx^ := x1;
+    if (hity <> nil) then hity^ := y1;
+  end;
+end;
+
 
 function g_Map_HasAnyPanelAtPoint (x, y: Integer; panelType: Word): Boolean;
 
@@ -353,6 +377,14 @@ begin
 end;
 
 
+function g_Map_PanelAtPoint (x, y: Integer; tagmask: Integer=-1): TPanel;
+begin
+  result := nil;
+  if (tagmask = 0) then exit;
+  result := mapGrid.forEachAtPoint(x, y, nil, tagmask);
+end;
+
+
 function g_Map_IsSpecialTexture(Texture: String): Boolean;
 begin
   Result := (Texture = TEXTURE_NAME_WATER) or
@@ -1185,7 +1217,7 @@ begin
   calcBoundingBox(gLifts);
   calcBoundingBox(gBlockMon);
 
-  e_WriteLog(Format('map dimensions: (%d,%d)-(%d,%d); editor size:(0,0)-(%d,%d)', [mapX0, mapY0, mapX1, mapY1, gMapInfo.Width, gMapInfo.Height]), MSG_WARNING);
+  e_LogWritefln('map dimensions: (%d,%d)-(%d,%d); editor size:(0,0)-(%d,%d)', [mapX0, mapY0, mapX1, mapY1, gMapInfo.Width, gMapInfo.Height]);
 
   if (mapX0 > 0) then mapX0 := 0;
   if (mapY0 > 0) then mapY0 := 0;
@@ -1194,6 +1226,7 @@ begin
   if (mapY1 < gMapInfo.Height-1) then mapY1 := gMapInfo.Height-1;
 
   mapGrid := TPanelGrid.Create(mapX0-128, mapY0-128, mapX1-mapX0+1+128*2, mapY1-mapY0+1+128*2);
+  //mapGrid := TPanelGrid.Create(0, 0, gMapInfo.Width, gMapInfo.Height);
 
   addPanelsToGrid(gWalls);
   addPanelsToGrid(gRenderBackgrounds);
@@ -1326,12 +1359,16 @@ begin
         SetLength(s, 64);
         CopyMemory(@s[1], @_textures[a].Resource[0], 64);
         for b := 1 to Length(s) do
+        begin
           if s[b] = #0 then
           begin
             SetLength(s, b-1);
             Break;
           end;
+        end;
+        {$IF DEFINED(D2F_DEBUG)}
         e_WriteLog(Format('    Loading texture #%d: %s', [a, s]), MSG_NOTIFY);
+        {$ENDIF}
         //if g_Map_IsSpecialTexture(s) then e_WriteLog('      SPECIAL!', MSG_NOTIFY);
       // Àíèìèðîâàííàÿ òåêñòóðà:
         if ByteBool(_textures[a].Anim) then
@@ -2724,6 +2761,7 @@ var
     PAMem.LoadFromMemory(Mem);
 
     for i := 0 to Length(panels)-1 do
+    begin
       if panels[i].SaveIt then
       begin
       // ID ïàíåëè:
@@ -2734,7 +2772,10 @@ var
         end;
       // Çàãðóæàåì ïàíåëü:
         panels[i].LoadState(PAMem);
+        if (panels[i].arrIdx <> i) then raise Exception.Create('g_Map_LoadState: LoadPanelArray: Wrong Panel arrIdx');
+        if (panels[i].proxyId >= 0) then mapGrid.proxyEnabled[panels[i].proxyId] := panels[i].Enabled;
       end;
+    end;
 
   // Ýòîò ñïèñîê ïàíåëåé çàãðóæåí:
     PAMem.Free();
@@ -2787,7 +2828,7 @@ begin
 
 // Îáíîâëÿåì êàðòó ñòîëêíîâåíèé è ñåòêó:
   g_GFX_Init();
-  mapCreateGrid();
+  //mapCreateGrid();
 
 ///// Çàãðóæàåì ìóçûêó: /////
 // Ñèãíàòóðà ìóçûêè:
@@ -2850,7 +2891,7 @@ end;
 
 // trace liquid, stepping by `dx` and `dy`
 // return last seen liquid coords, and `false` if we're started outside of the liquid
-function g_Map_TraceLiquid (x, y, dx, dy: Integer; out topx, topy: Integer): Boolean;
+function g_Map_TraceLiquidNonPrecise (x, y, dx, dy: Integer; out topx, topy: Integer): Boolean;
 const
   MaskLiquid = GridTagWater or GridTagAcid1 or GridTagAcid2;
 begin