X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fgame%2Fg_map.pas;h=4bb340d1026a97f86893f6843e0f0f3dfb93a61a;hb=223356cbae3197afc861efa6241c4ae91bd92885;hp=8fa48d2735c4922cbd930d9a9c41b8abf22827dd;hpb=834fce43a6f96778d815cf0f8f858dfee0de9058;p=d2df-sdl.git diff --git a/src/game/g_map.pas b/src/game/g_map.pas index 8fa48d2..4bb340d 100644 --- 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 -function g_Map_traceToNearestWall (x0, y0, x1, y1: Integer; hitx: PInteger=nil; hity: PInteger=nil; log: Boolean=false): Boolean; +// 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 (); @@ -184,9 +190,17 @@ var profMapCollision: TProfiler = nil; //WARNING: FOR DEBUGGING ONLY! gDrawPanelList: TBinaryHeapObj = nil; // binary heap of all walls we have to render, populated by `g_Map_CollectDrawPanels()` + function panelTypeToTag (panelType: Word): Integer; // returns GridTagXXX +type + TPanelGrid = specialize TBodyGridBase; + +var + mapGrid: TPanelGrid = nil; // DO NOT USE! public for debugging only! + + implementation uses @@ -194,7 +208,7 @@ uses GL, GLExt, g_weapons, g_game, g_sound, e_sound, CONFIG, g_options, MAPREADER, g_triggers, g_player, MAPDEF, Math, g_monsters, g_saveload, g_language, g_netmsg, - utils, sfs, + utils, sfs, xparser, xdynrec, xstreams, ImagingTypes, Imaging, ImagingUtility, ImagingGif, ImagingNetworkGraphics; @@ -204,8 +218,45 @@ const FLAG_SIGNATURE = $47414C46; // 'FLAG' -type - TPanelGrid = specialize TBodyGridBase; +{$IF DEFINED(D2D_NEW_MAP_READER)} +var + dfmapdef: TDynMapDef = nil; + + +procedure loadMapDefinition (); +var + pr: TTextParser = nil; + st: TStream = nil; + WAD: TWADFile = nil; +begin + if (dfmapdef <> nil) then exit; + try + e_LogWritefln('parsing "mapdef.txt"...', []); + st := openDiskFileRO(DataDir+'mapdef.txt'); + except + st := nil; + e_LogWritefln('local "%smapdef.txt" not found', [DataDir]); + end; + if (st = nil) then + begin + WAD := TWADFile.Create(); + if not WAD.ReadFile(GameWAD) then raise Exception.Create('cannot load "game.wad"'); + st := WAD.openFileStream('mapdef.txt'); + end; + + if (st = nil) then raise Exception.Create('cannot open "mapdef.txt"'); + pr := TFileTextParser.Create(st); + + try + dfmapdef := TDynMapDef.Create(pr); + except on e: Exception do + raise Exception.Create(Format('ERROR in "mapdef.txt" at (%s,%s): %s', [pr.line, pr.col, e.message])); + end; + + st.Free(); + WAD.Free(); +end; +{$ENDIF} function panelTypeToTag (panelType: Word): Integer; @@ -255,7 +306,6 @@ var RespawnPoints: Array of TRespawnPoint; FlagPoints: Array [FLAG_RED..FLAG_BLUE] of PFlagPoint; //DOMFlagPoints: Array of TFlagPoint; - mapGrid: TPanelGrid = nil; procedure g_Map_ProfilersBegin (); @@ -279,14 +329,30 @@ end; // wall index in `gWalls` or -1 -function g_Map_traceToNearestWall (x0, y0, x1, y1: Integer; hitx: PInteger=nil; hity: PInteger=nil; log: Boolean=false): Boolean; +function g_Map_traceToNearestWall (x0, y0, x1, y1: Integer; hitx: PInteger=nil; hity: PInteger=nil): TPanel; +var + ex, ey: Integer; +begin + result := mapGrid.traceRay(ex, ey, x0, y0, x1, y1, nil, (GridTagWall or GridTagDoor)); + 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; + +// 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 - mapGrid.dbgShowTraceLog := log; - result := (mapGrid.traceRay(ex, ey, x0, y0, x1, y1, nil, (GridTagWall or GridTagDoor)) <> nil); - mapGrid.dbgShowTraceLog := false; - if result then + 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; @@ -352,6 +418,14 @@ 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 @@ -1123,25 +1197,49 @@ var end; end; - procedure addPanelsToGrid (constref panels: TPanelArray; tag: Integer); + procedure addPanelsToGrid (constref panels: TPanelArray); var idx: Integer; pan: TPanel; + newtag: Integer; begin - tag := panelTypeToTag(tag); - for idx := High(panels) downto 0 do + //tag := panelTypeToTag(tag); + for idx := 0 to High(panels) do begin pan := panels[idx]; - pan.tag := tag; if not pan.visvalid then continue; - pan.proxyId := mapGrid.insertBody(pan, pan.X, pan.Y, pan.Width, pan.Height, tag); + if (pan.proxyId <> -1) then + begin + {$IF DEFINED(D2F_DEBUG)} + e_WriteLog(Format('DUPLICATE wall #%d(%d) enabled (%d); type:%08x', [Integer(idx), Integer(pan.proxyId), Integer(mapGrid.proxyEnabled[pan.proxyId]), pan.PanelType]), MSG_NOTIFY); + {$ENDIF} + continue; + end; + case pan.PanelType of + PANEL_WALL: newtag := GridTagWall; + PANEL_OPENDOOR, PANEL_CLOSEDOOR: newtag := GridTagDoor; + PANEL_BACK: newtag := GridTagBack; + PANEL_FORE: newtag := GridTagFore; + PANEL_WATER: newtag := GridTagWater; + PANEL_ACID1: newtag := GridTagAcid1; + PANEL_ACID2: newtag := GridTagAcid2; + PANEL_STEP: newtag := GridTagStep; + PANEL_LIFTUP, PANEL_LIFTDOWN, PANEL_LIFTLEFT, PANEL_LIFTRIGHT: newtag := GridTagLift; + PANEL_BLOCKMON: newtag := GridTagBlockMon; + else continue; // oops + end; + pan.tag := newtag; + + pan.proxyId := mapGrid.insertBody(pan, pan.X, pan.Y, pan.Width, pan.Height, newtag); // "enabled" flag has meaning only for doors and walls (engine assumes it); but meh... mapGrid.proxyEnabled[pan.proxyId] := pan.Enabled; {$IFDEF MAP_DEBUG_ENABLED_FLAG} + { if ((tag and (GridTagWall or GridTagDoor)) <> 0) then begin e_WriteLog(Format('INSERTED wall #%d(%d) enabled (%d)', [Integer(idx), Integer(pan.proxyId), Integer(mapGrid.proxyEnabled[pan.proxyId])]), MSG_NOTIFY); end; + } {$ENDIF} end; end; @@ -1160,21 +1258,26 @@ begin calcBoundingBox(gLifts); calcBoundingBox(gBlockMon); - e_WriteLog(Format('map dimensions: (%d,%d)-(%d,%d)', [mapX0, mapY0, mapX1, mapY1]), MSG_WARNING); + e_LogWritefln('map dimensions: (%d,%d)-(%d,%d); editor size:(0,0)-(%d,%d)', [mapX0, mapY0, mapX1, mapY1, gMapInfo.Width, gMapInfo.Height]); + + if (mapX0 > 0) then mapX0 := 0; + if (mapY0 > 0) then mapY0 := 0; + + if (mapX1 < gMapInfo.Width-1) then mapX1 := gMapInfo.Width-1; + if (mapY1 < gMapInfo.Height-1) then mapY1 := gMapInfo.Height-1; - mapGrid := TPanelGrid.Create(mapX0-512, mapY0-512, mapX1-mapX0+1+512*2, mapY1-mapY0+1+512*2); + mapGrid := TPanelGrid.Create(mapX0-128, mapY0-128, mapX1-mapX0+1+128*2, mapY1-mapY0+1+128*2); + //mapGrid := TPanelGrid.Create(0, 0, gMapInfo.Width, gMapInfo.Height); - addPanelsToGrid(gWalls, PANEL_WALL); - addPanelsToGrid(gWalls, PANEL_CLOSEDOOR); - addPanelsToGrid(gWalls, PANEL_OPENDOOR); - addPanelsToGrid(gRenderBackgrounds, PANEL_BACK); - addPanelsToGrid(gRenderForegrounds, PANEL_FORE); - addPanelsToGrid(gWater, PANEL_WATER); - addPanelsToGrid(gAcid1, PANEL_ACID1); - addPanelsToGrid(gAcid2, PANEL_ACID2); - addPanelsToGrid(gSteps, PANEL_STEP); - addPanelsToGrid(gLifts, PANEL_LIFTUP); // it doesn't matter which LIFT type is used here - addPanelsToGrid(gBlockMon, PANEL_BLOCKMON); + addPanelsToGrid(gWalls); + addPanelsToGrid(gRenderBackgrounds); + addPanelsToGrid(gRenderForegrounds); + addPanelsToGrid(gWater); + addPanelsToGrid(gAcid1); + addPanelsToGrid(gAcid2); + addPanelsToGrid(gSteps); + addPanelsToGrid(gLifts); // it doesn't matter which LIFT type is used here + addPanelsToGrid(gBlockMon); mapGrid.dumpStats(); @@ -1212,12 +1315,15 @@ var Len: Integer; ok, isAnim, trigRef: Boolean; CurTex, ntn: Integer; - + {$IF DEFINED(D2D_NEW_MAP_READER)} + pr: TTextParser = nil; + st: TStream = nil; + wst: TSFSMemoryChunkStream = nil; + rec: TDynRecord; + {$ENDIF} begin mapGrid.Free(); mapGrid := nil; - //mapTree.Free(); - //mapTree := nil; Result := False; gMapInfo.Map := Res; @@ -1238,6 +1344,7 @@ begin WAD.Free(); Exit; end; + //k8: why loader ignores path here? mapResName := g_ExtractFileName(Res); if not WAD.GetMapResource(mapResName, Data, Len) then @@ -1249,9 +1356,67 @@ begin WAD.Free(); - // Çàãðóçêà êàðòû: - e_WriteLog('Loading map: '+mapResName, MSG_NOTIFY); + if (Len < 4) then + begin + e_LogWritefln('invalid map file: ''%s''', [mapResName]); + FreeMem(Data); + exit; + end; + + // Çàãðóçêà êàðòû: + e_LogWritefln('Loading map: %s', [mapResName], MSG_NOTIFY); g_Game_SetLoadingText(_lc[I_LOAD_MAP], 0, False); + + {$IF DEFINED(D2D_NEW_MAP_READER)} + if (PChar(Data)[0] = 'M') and (PChar(Data)[1] = 'A') and (PChar(Data)[2] = 'P') and (PByte(Data)[3] = 1) then + begin + // nothing + end + else + begin + e_LogWritefln('Loading text map: %s', [mapResName]); + loadMapDefinition(); + if (dfmapdef = nil) then raise Exception.Create('internal map loader error'); + //e_LogWritefln('***'#10'%s'#10'***', [dfmapdef.headerType.definition]); + wst := TSFSMemoryChunkStream.Create(Data, Len); + try + pr := TFileTextParser.Create(wst); + e_LogWritefln('parsing text map: %s', [mapResName]); + rec := dfmapdef.parseMap(pr); + except on e: Exception do + begin + if (pr <> nil) then e_LogWritefln('ERROR at (%s,%s): %s', [pr.line, pr.col, e.message]) + else e_LogWritefln('ERROR: %s', [e.message]); + pr.Free(); + wst.Free(); + FreeMem(Data); + exit; + end; + end; + pr.Free(); + //wst.Free(); // pr will do it + e_LogWritefln('writing text map to temporary bin storage...', []); + st := TMemoryStream.Create(); + try + rec.writeBinTo(st); + Len := Integer(st.position); + st.position := 0; + FreeMem(Data); + GetMem(Data, Len); + st.ReadBuffer(Data^, Len); + except on e: Exception do + begin + rec.Free(); + st.Free(); + e_LogWritefln('ERROR: %s', [e.message]); + FreeMem(Data); + exit; + end; + end; + st.Free(); + end; + {$ENDIF} + MapReader := TMapReader_1.Create(); if not MapReader.LoadMap(Data) then @@ -1269,6 +1434,22 @@ begin _textures := MapReader.GetTextures(); _texnummap := nil; + // Çàãðóçêà îïèñàíèÿ êàðòû: + e_WriteLog(' Reading map info...', MSG_NOTIFY); + g_Game_SetLoadingText(_lc[I_LOAD_MAP_HEADER], 0, False); + Header := MapReader.GetMapHeader(); + + with gMapInfo do + begin + Name := Header.MapName; + Description := Header.MapDescription; + Author := Header.MapAuthor; + MusicName := Header.MusicName; + SkyName := Header.SkyName; + Height := Header.Height; + Width := Header.Width; + end; + // Äîáàâëåíèå òåêñòóð â Textures[]: if _textures <> nil then begin @@ -1281,12 +1462,16 @@ begin SetLength(s, 64); CopyMemory(@s[1], @_textures[a].Resource[0], 64); for b := 1 to Length(s) do + begin if s[b] = #0 then begin SetLength(s, b-1); Break; end; + end; + {$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 @@ -1528,7 +1713,6 @@ begin e_WriteLog('Creating map grid', MSG_NOTIFY); mapCreateGrid(); - // Åñëè íå LoadState, òî ñîçäàåì òðèããåðû: if (triggers <> nil) and not gLoadGameMode then begin @@ -1594,24 +1778,8 @@ begin CreateMonster(monsters[a]); end; - // Çàãðóçêà îïèñàíèÿ êàðòû: - e_WriteLog(' Reading map info...', MSG_NOTIFY); - g_Game_SetLoadingText(_lc[I_LOAD_MAP_HEADER], 0, False); - Header := MapReader.GetMapHeader(); - MapReader.Free(); - with gMapInfo do - begin - Name := Header.MapName; - Description := Header.MapDescription; - Author := Header.MapAuthor; - MusicName := Header.MusicName; - SkyName := Header.SkyName; - Height := Header.Height; - Width := Header.Width; - end; - // Çàãðóçêà íåáà: if gMapInfo.SkyName <> '' then begin @@ -2018,15 +2186,7 @@ procedure g_Map_CollectDrawPanels (x0, y0, wdt, hgt: Integer); begin dplClear(); //tagmask := panelTypeToTag(PanelType); - - {if gdbg_map_use_tree_draw then - begin - mapTree.aabbQuery(x0, y0, wdt, hgt, checker, (GridTagBack or GridTagStep or GridTagWall or GridTagDoor or GridTagAcid1 or GridTagAcid2 or GridTagWater or GridTagFore)); - end - else} - begin - mapGrid.forEachInAABB(x0, y0, wdt, hgt, checker, GridDrawableMask, true); - end; + mapGrid.forEachInAABB(x0, y0, wdt, hgt, checker, GridDrawableMask); // list will be rendered in `g_game.DrawPlayer()` end; @@ -2040,14 +2200,7 @@ procedure g_Map_DrawPanelShadowVolumes(lightX: Integer; lightY: Integer; radius: end; begin - {if gdbg_map_use_tree_draw then - begin - mapTree.aabbQuery(lightX-radius, lightY-radius, radius*2, radius*2, checker, (GridTagWall or GridTagDoor)); - end - else} - begin - mapGrid.forEachInAABB(lightX-radius, lightY-radius, radius*2, radius*2, checker, (GridTagWall or GridTagDoor), true); - end; + mapGrid.forEachInAABB(lightX-radius, lightY-radius, radius*2, radius*2, checker, (GridTagWall or GridTagDoor)); end; @@ -2261,43 +2414,30 @@ begin if (profMapCollision <> nil) then profMapCollision.sectionBeginAccum('*solids'); if gdbg_map_use_accel_coldet then begin - {if gdbg_map_use_tree_coldet then + if (Width = 1) and (Height = 1) then begin - //e_WriteLog(Format('coldet query: x=%d; y=%d; w=%d; h=%d', [X, Y, Width, Height]), MSG_NOTIFY); - result := (mapTree.aabbQuery(X, Y, Width, Height, checker, tagmask) <> nil); - if (gdbg_map_dump_coldet_tree_queries) and (mapTree.nodesVisited <> 0) then + if ((tagmask and SlowMask) <> 0) then begin - //e_WriteLog(Format('map collision: %d nodes visited (%d deep)', [mapTree.nodesVisited, mapTree.nodesDeepVisited]), MSG_NOTIFY); - g_Console_Add(Format('map collision: %d nodes visited (%d deep)', [mapTree.nodesVisited, mapTree.nodesDeepVisited])); + // slow + result := (mapGrid.forEachAtPoint(X, Y, checker, tagmask) <> nil); + end + else + begin + // fast + result := (mapGrid.forEachAtPoint(X, Y, nil, tagmask) <> nil); end; end - else} + else begin - if (Width = 1) and (Height = 1) then + if ((tagmask and SlowMask) <> 0) then begin - if ((tagmask and SlowMask) <> 0) then - begin - // slow - result := (mapGrid.forEachAtPoint(X, Y, checker, tagmask) <> nil); - end - else - begin - // fast - result := (mapGrid.forEachAtPoint(X, Y, nil, tagmask) <> nil); - end; + // slow + result := (mapGrid.forEachInAABB(X, Y, Width, Height, checker, tagmask) <> nil); end else begin - if ((tagmask and SlowMask) <> 0) then - begin - // slow - result := (mapGrid.forEachInAABB(X, Y, Width, Height, checker, tagmask) <> nil); - end - else - begin - // fast - result := (mapGrid.forEachInAABB(X, Y, Width, Height, nil, tagmask) <> nil); - end; + // fast + result := (mapGrid.forEachInAABB(X, Y, Width, Height, nil, tagmask) <> nil); end; end; end @@ -2342,20 +2482,13 @@ begin if gdbg_map_use_accel_coldet then begin texid := TEXTURE_NONE; - {if gdbg_map_use_tree_coldet then + if (Width = 1) and (Height = 1) then begin - mapTree.aabbQuery(X, Y, Width, Height, checker, (GridTagWater or GridTagAcid1 or GridTagAcid2)); + mapGrid.forEachAtPoint(X, Y, checker, (GridTagWater or GridTagAcid1 or GridTagAcid2)); end - else} + else begin - if (Width = 1) and (Height = 1) then - begin - mapGrid.forEachAtPoint(X, Y, checker, (GridTagWater or GridTagAcid1 or GridTagAcid2)); - end - else - begin - mapGrid.forEachInAABB(X, Y, Width, Height, checker, (GridTagWater or GridTagAcid1 or GridTagAcid2)); - end; + mapGrid.forEachInAABB(X, Y, Width, Height, checker, (GridTagWater or GridTagAcid1 or GridTagAcid2)); end; result := texid; end @@ -2382,7 +2515,7 @@ begin if g_Game_IsServer and g_Game_IsNet then MH_SEND_PanelState(gWalls[ID].PanelType, ID); {$IFDEF MAP_DEBUG_ENABLED_FLAG} - e_WriteLog(Format('wall #%d(%d) enabled (%d) (%d,%d)-(%d,%d)', [Integer(ID), Integer(pan.proxyId), Integer(mapGrid.proxyEnabled[pan.proxyId]), pan.x, pan.y, pan.width, pan.height]), MSG_NOTIFY); + //e_WriteLog(Format('ENABLE: wall #%d(%d) enabled (%d) (%d,%d)-(%d,%d)', [Integer(ID), Integer(pan.proxyId), Integer(mapGrid.proxyEnabled[pan.proxyId]), pan.x, pan.y, pan.width, pan.height]), MSG_NOTIFY); {$ENDIF} end; @@ -2400,7 +2533,7 @@ begin if g_Game_IsServer and g_Game_IsNet then MH_SEND_PanelState(pan.PanelType, ID); {$IFDEF MAP_DEBUG_ENABLED_FLAG} - e_WriteLog(Format('wall #%d(%d) disabled (%d) (%d,%d)-(%d,%d)', [Integer(ID), Integer(pan.proxyId), Integer(mapGrid.proxyEnabled[pan.proxyId]), pan.x, pan.y, pan.width, pan.height]), MSG_NOTIFY); + //e_WriteLog(Format('DISABLE: wall #%d(%d) disabled (%d) (%d,%d)-(%d,%d)', [Integer(ID), Integer(pan.proxyId), Integer(mapGrid.proxyEnabled[pan.proxyId]), pan.x, pan.y, pan.width, pan.height]), MSG_NOTIFY); {$ENDIF} end; @@ -2696,6 +2829,7 @@ var PAMem.LoadFromMemory(Mem); for i := 0 to Length(panels)-1 do + begin if panels[i].SaveIt then begin // ID ïàíåëè: @@ -2706,7 +2840,10 @@ 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(); @@ -2759,7 +2896,7 @@ begin // Îáíîâëÿåì êàðòó ñòîëêíîâåíèé è ñåòêó: g_GFX_Init(); - mapCreateGrid(); + //mapCreateGrid(); ///// Çàãðóæàåì ìóçûêó: ///// // Ñèãíàòóðà ìóçûêè: @@ -2822,7 +2959,7 @@ 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