diff --git a/src/game/g_map.pas b/src/game/g_map.pas
index 6b343b325fa8913fa7f3cae31a27e42418be4659..eabf89645796ad273a1a78531c031497a40b3772 100644 (file)
--- a/src/game/g_map.pas
+++ b/src/game/g_map.pas
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*)
-{$MODE DELPHI}
-{$modeswitch nestedprocvars}
+{$INCLUDE ../shared/a_modes.inc}
unit g_map;
interface
uses
e_graphics, g_basic, MAPSTRUCT, g_textures, Classes,
- g_phys, wadreader, BinEditor, g_panel, g_grid, md5;
+ g_phys, wadreader, BinEditor, g_panel, g_grid, z_aabbtree, md5, xprofiler;
type
TMapInfo = record
procedure g_Map_DrawPanelShadowVolumes(lightX: Integer; lightY: Integer; radius: Integer);
+procedure g_Map_ProfilersBegin ();
+procedure g_Map_ProfilersEnd ();
+
const
RESPAWNPOINT_PLAYER1 = 1;
RESPAWNPOINT_PLAYER2 = 2;
BackID: DWORD = DWORD(-1);
gExternalResources: TStringList;
+ gdbg_map_use_grid_render: Boolean = true;
+ gdbg_map_use_grid_coldet: Boolean = true;
+ gdbg_map_use_tree_draw: Boolean = true;
+ gdbg_map_use_tree_coldet: Boolean = false;
+ profMapCollision: TProfiler = nil; //WARNING: FOR DEBUGGING ONLY!
+
implementation
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, binheap,
ImagingTypes, Imaging, ImagingUtility,
ImagingGif, ImagingNetworkGraphics;
MUSIC_SIGNATURE = $4953554D; // 'MUSI'
FLAG_SIGNATURE = $47414C46; // 'FLAG'
+ GridTagInvalid = -1;
+ GridTagWallDoor = 0;
+ GridTagBack = 1;
+ GridTagFore = 2;
+ GridTagWater = 3;
+ GridTagAcid1 = 4;
+ GridTagAcid2 = 5;
+ GridTagStep = 6;
+ GridTagLift = 7;
+ GridTagBlockMon = 8;
+
function panelTypeToTag (panelType: Word): Integer;
begin
case panelType of
- PANEL_WALL, PANEL_OPENDOOR, PANEL_CLOSEDOOR: result := 0; // gWalls
- PANEL_BACK: result := 1; // gRenderBackgrounds
- PANEL_FORE: result := 2; // gRenderForegrounds
- PANEL_WATER: result := 3; // gWater
- PANEL_ACID1: result := 4; // gAcid1
- PANEL_ACID2: result := 5; // gAcid2
- PANEL_STEP: result := 6; // gSteps
- PANEL_LIFTUP, PANEL_LIFTDOWN, PANEL_LIFTLEFT, PANEL_LIFTRIGHT: result := 7; // gLifts -- this is for all lifts
- PANEL_BLOCKMON: result := 8; // gBlockMon -- this is for all blockmons
- else result := -1;
+ PANEL_WALL, PANEL_OPENDOOR, PANEL_CLOSEDOOR: result := GridTagWallDoor; // gWalls
+ PANEL_BACK: result := GridTagBack; // gRenderBackgrounds
+ PANEL_FORE: result := GridTagFore; // gRenderForegrounds
+ PANEL_WATER: result := GridTagWater; // gWater
+ PANEL_ACID1: result := GridTagAcid1; // gAcid1
+ PANEL_ACID2: result := GridTagAcid2; // gAcid2
+ PANEL_STEP: result := GridTagStep; // gSteps
+ PANEL_LIFTUP, PANEL_LIFTDOWN, PANEL_LIFTLEFT, PANEL_LIFTRIGHT: result := GridTagLift; // gLifts -- this is for all lifts
+ PANEL_BLOCKMON: result := GridTagBlockMon; // gBlockMon -- this is for all blockmons
+ else result := GridTagInvalid;
end;
end;
PArrID: Integer;
end;
+type
+ TDynAABBTreeMap = class(TDynAABBTree)
+ function getFleshAABB (var aabb: AABB2D; flesh: TTreeFlesh): Boolean; override;
+ end;
+
+function TDynAABBTreeMap.getFleshAABB (var aabb: AABB2D; flesh: TTreeFlesh): Boolean;
+var
+ pan: TPanel;
+begin
+ if (flesh = nil) then begin result := false; exit; end;
+ pan := (flesh as TPanel);
+ aabb := AABB2D.Create(pan.X, pan.Y, pan.X+pan.Width, pan.Y+pan.Height);
+ //e_WriteLog(Format('getFleshAABB(%d;%d) AABB:(%f,%f)-(%f,%f); valid=%d; volume=%f; x=%d; y=%d; w=%d; h=%d', [pan.tag, pan.ArrIdx, aabb.minX, aabb.minY, aabb.maxX, aabb.maxY, Integer(aabb.valid), aabb.volume, pan.X, pan.Y, pan.Width, pan.Height]), MSG_NOTIFY);
+ result := aabb.valid;
+end;
+
var
PanelById: array of TPanelID;
Textures: TLevelTextureArray;
FlagPoints: Array [FLAG_RED..FLAG_BLUE] of PFlagPoint;
//DOMFlagPoints: Array of TFlagPoint;
gMapGrid: TBodyGrid = nil;
+ mapTree: TDynAABBTree = nil;
+
+
+procedure g_Map_ProfilersBegin ();
+begin
+ if (profMapCollision = nil) then profMapCollision := TProfiler.Create('MAP COLLISION', g_profile_history_size);
+ profMapCollision.mainBegin(g_profile_collision);
+ // create sections
+ if g_profile_collision then
+ begin
+ profMapCollision.sectionBegin('wall coldet');
+ profMapCollision.sectionEnd();
+ profMapCollision.sectionBegin('liquid coldet');
+ profMapCollision.sectionEnd();
+ end;
+end;
+
+procedure g_Map_ProfilersEnd ();
+begin
+ if (profMapCollision <> nil) then profMapCollision.mainEnd();
+end;
function g_Map_IsSpecialTexture(Texture: String): Boolean;
panels^[len] := TPanel.Create(PanelRec, AddTextures, CurTex, Textures);
panels^[len].ArrIdx := len;
+ panels^[len].tag := panelTypeToTag(PanelRec.PanelType);
if sav then
panels^[len].SaveIt := True;
tag := panelTypeToTag(tag);
for idx := High(panels) downto 0 do
begin
+ panels[idx].tag := tag;
gMapGrid.insertBody(panels[idx], panels[idx].X, panels[idx].Y, panels[idx].Width, panels[idx].Height, tag);
+ mapTree.insertObject(panels[idx], true); // as static object
end;
end;
begin
gMapGrid.Free();
gMapGrid := nil;
+ mapTree.Free();
+ mapTree := nil;
fixMinMax(gWalls);
fixMinMax(gRenderBackgrounds);
end;
gMapGrid := TBodyGrid.Create(mapX0, mapY0, mapX1-mapX0+1, mapY1-mapY0+1);
+ mapTree := TDynAABBTreeMap.Create();
addPanelsToGrid(gWalls, PANEL_WALL); // and PANEL_CLOSEDOOR
addPanelsToGrid(gRenderBackgrounds, PANEL_BACK);
addPanelsToGrid(gBlockMon, PANEL_BLOCKMON);
gMapGrid.dumpStats();
+ e_WriteLog(Format('tree depth: %d; %d nodes used, %d nodes allocated', [mapTree.computeTreeHeight, mapTree.nodeCount, mapTree.nodeAlloced]), MSG_NOTIFY);
+ mapTree.forEachLeaf(nil);
end;
function g_Map_Load(Res: String): Boolean;
begin
gMapGrid.Free();
gMapGrid := nil;
+ mapTree.Free();
+ mapTree := nil;
Result := False;
gMapInfo.Map := Res;
var
ptag: Integer;
- function qq (obj: TObject; tag: Integer): Boolean;
+ function checker (obj: TObject; tag: Integer): Boolean;
var
pan: TPanel;
begin
dplAddPanel(pan);
end;
+ function checkerTree (obj: TObject): Boolean;
+ var
+ pan: TPanel;
+ begin
+ result := false; // don't stop, ever
+ pan := (obj as TPanel);
+ if (pan.tag <> ptag) then exit;
+ if (PanelType = PANEL_CLOSEDOOR) then begin if not pan.Door then exit; end else begin if pan.Door then exit; end;
+ //e_WriteLog(Format(' body hit: (%d,%d)-(%dx%d) tag: %d; qtag:%d', [pan.X, pan.Y, pan.Width, pan.Height, tag, PanelType]), MSG_NOTIFY);
+ dplAddPanel(pan);
+ end;
+
procedure DrawPanels (stp: Integer; var panels: TPanelArray; drawDoors: Boolean=False);
var
idx: Integer;
if not (drawDoors xor panels[idx].Door) then
begin
pan := panels[idx];
+ {
if (pan.Width < 1) or (pan.Height < 1) then continue;
if (pan.X+pan.Width <= x0) or (pan.Y+pan.Height <= y0) then continue;
if (pan.X >= x0+wdt) or (pan.Y >= y0+hgt) then continue;
- e_WriteLog(Format(' *body hit: (%d,%d)-(%dx%d) tag: %d; qtag:%d', [pan.X, pan.Y, pan.Width, pan.Height, PanelType, PanelType]), MSG_NOTIFY);
+ }
+ pan.Draw();
+ //e_WriteLog(Format(' *body hit: (%d,%d)-(%dx%d) tag: %d; qtag:%d', [pan.X, pan.Y, pan.Width, pan.Height, PanelType, PanelType]), MSG_NOTIFY);
end;
end;
end;
//e_WriteLog(Format('***QQQ: qtag:%d', [PanelType]), MSG_NOTIFY);
dplClear();
ptag := panelTypeToTag(PanelType);
- gMapGrid.forEachInAABB(x0, y0, wdt, hgt, qq);
- // debug
- {
- e_WriteLog(Format('+++QQQ: qtag:%d', [PanelType]), MSG_NOTIFY);
- case PanelType of
- PANEL_WALL: DrawPanels(0, gWalls);
- PANEL_CLOSEDOOR: DrawPanels(0, gWalls, True);
- PANEL_BACK: DrawPanels(1, gRenderBackgrounds);
- PANEL_FORE: DrawPanels(2, gRenderForegrounds);
- PANEL_WATER: DrawPanels(3, gWater);
- PANEL_ACID1: DrawPanels(4, gAcid1);
- PANEL_ACID2: DrawPanels(5, gAcid2);
- PANEL_STEP: DrawPanels(6, gSteps);
- end;
- e_WriteLog('==================', MSG_NOTIFY);
- }
-
- // sort and draw the list (we need to sort it, or rendering is fucked)
- while gDrawPanelList.count > 0 do
+ if gdbg_map_use_grid_render then
begin
- (gDrawPanelList.front() as TPanel).Draw();
- gDrawPanelList.popFront();
+ if gdbg_map_use_tree_draw then
+ begin
+ mapTree.aabbQuery(x0, y0, wdt, hgt, checkerTree);
+ end
+ else
+ begin
+ gMapGrid.forEachInAABB(x0, y0, wdt, hgt, checker);
+ end;
+ // sort and draw the list (we need to sort it, or rendering is fucked)
+ while gDrawPanelList.count > 0 do
+ begin
+ (gDrawPanelList.front() as TPanel).Draw();
+ gDrawPanelList.popFront();
+ end;
+ end
+ else
+ begin
+ //e_WriteLog(Format('+++QQQ: qtag:%d', [PanelType]), MSG_NOTIFY);
+ case PanelType of
+ PANEL_WALL: DrawPanels(0, gWalls);
+ PANEL_CLOSEDOOR: DrawPanels(0, gWalls, True);
+ PANEL_BACK: DrawPanels(1, gRenderBackgrounds);
+ PANEL_FORE: DrawPanels(2, gRenderForegrounds);
+ PANEL_WATER: DrawPanels(3, gWater);
+ PANEL_ACID1: DrawPanels(4, gAcid1);
+ PANEL_ACID2: DrawPanels(5, gAcid2);
+ PANEL_STEP: DrawPanels(6, gSteps);
+ end;
end;
+
+ //e_WriteLog('==================', MSG_NOTIFY);
end;
procedure g_Map_DrawPanelShadowVolumes(lightX: Integer; lightY: Integer; radius: Integer);
- function qq (obj: TObject; tag: Integer): Boolean;
+ function checker (obj: TObject; tag: Integer): Boolean;
+ var
+ pan: TPanel;
+ begin
+ result := false; // don't stop, ever
+ if (tag <> GridTagWallDoor) then exit; // only walls
+ pan := (obj as TPanel);
+ pan.DrawShadowVolume(lightX, lightY, radius);
+ end;
+
+ function checkerTree (obj: TObject): Boolean;
var
pan: TPanel;
begin
result := false; // don't stop, ever
- if (tag <> 0 {panelTypeToTag(PANEL_WALL)}) then exit; // only walls
pan := (obj as TPanel);
+ if (pan.tag <> GridTagWallDoor) then exit; // only walls
pan.DrawShadowVolume(lightX, lightY, radius);
end;
begin
- gMapGrid.forEachInAABB(lightX-radius, lightY-radius, radius*2, radius*2, qq);
+ if gdbg_map_use_tree_draw then
+ begin
+ mapTree.aabbQuery(lightX-radius, lightY-radius, radius*2, radius*2, checkerTree);
+ end
+ else
+ begin
+ gMapGrid.forEachInAABB(lightX-radius, lightY-radius, radius*2, radius*2, checker);
+ end;
end;
end;
end;
+function g_Map_CollideLiquid_TextureOld(X, Y: Integer; Width, Height: Word): DWORD;
+var
+ texid: DWORD;
+
+ function checkPanels (var panels: TPanelArray): Boolean;
+ var
+ a: Integer;
+ begin
+ result := false;
+ if panels = nil then exit;
+ for a := 0 to High(panels) do
+ begin
+ if g_Collide(X, Y, Width, Height, panels[a].X, panels[a].Y, panels[a].Width, panels[a].Height) then
+ begin
+ result := true;
+ texid := panels[a].GetTextureID();
+ exit;
+ end;
+ end;
+ end;
+
+begin
+ texid := TEXTURE_NONE;
+ result := texid;
+ if not checkPanels(gWater) then
+ if not checkPanels(gAcid1) then
+ if not checkPanels(gAcid2) then exit;
+ result := texid;
+end;
+
+
function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word; b1x3: Boolean): Boolean;
- function qq (obj: TObject; tag: Integer): Boolean;
+ function checker (obj: TObject; tag: Integer): Boolean;
var
pan: TPanel;
a: Integer;
@@ -2069,7 +2208,7 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
pan := (obj as TPanel);
a := pan.ArrIdx;
- if WordBool(PanelType and PANEL_WALL) and (tag = panelTypeToTag(PANEL_WALL)) then
+ if WordBool(PanelType and PANEL_WALL) and (tag = GridTagWallDoor) then
begin
if gWalls[a].Enabled and g_Collide(X, Y, Width, Height, gWalls[a].X, gWalls[a].Y, gWalls[a].Width, gWalls[a].Height) then
begin
@@ -2078,7 +2217,7 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
end;
end;
- if WordBool(PanelType and PANEL_WATER) and (tag = panelTypeToTag(PANEL_WATER)) then
+ if WordBool(PanelType and PANEL_WATER) and (tag = GridTagWater) then
begin
if g_Collide(X, Y, Width, Height, gWater[a].X, gWater[a].Y, gWater[a].Width, gWater[a].Height) then
begin
@@ -2087,7 +2226,7 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
end;
end;
- if WordBool(PanelType and PANEL_ACID1) and (tag = panelTypeToTag(PANEL_ACID1)) then
+ if WordBool(PanelType and PANEL_ACID1) and (tag = GridTagAcid1) then
begin
if g_Collide(X, Y, Width, Height, gAcid1[a].X, gAcid1[a].Y, gAcid1[a].Width, gAcid1[a].Height) then
begin
@@ -2096,7 +2235,7 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
end;
end;
- if WordBool(PanelType and PANEL_ACID2) and (tag = panelTypeToTag(PANEL_ACID2)) then
+ if WordBool(PanelType and PANEL_ACID2) and (tag = GridTagAcid2) then
begin
if g_Collide(X, Y, Width, Height, gAcid2[a].X, gAcid2[a].Y, gAcid2[a].Width, gAcid2[a].Height) then
begin
@@ -2105,7 +2244,7 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
end;
end;
- if WordBool(PanelType and PANEL_STEP) and (tag = panelTypeToTag(PANEL_STEP)) then
+ if WordBool(PanelType and PANEL_STEP) and (tag = GridTagStep) then
begin
if g_Collide(X, Y, Width, Height, gSteps[a].X, gSteps[a].Y, gSteps[a].Width, gSteps[a].Height) then
begin
@@ -2114,7 +2253,7 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
end;
end;
- if WordBool(PanelType and (PANEL_LIFTUP or PANEL_LIFTDOWN or PANEL_LIFTLEFT or PANEL_LIFTRIGHT)) and (tag = panelTypeToTag(PANEL_LIFTUP)) then
+ if WordBool(PanelType and (PANEL_LIFTUP or PANEL_LIFTDOWN or PANEL_LIFTLEFT or PANEL_LIFTRIGHT)) and (tag = GridTagLift) then
begin
if ((WordBool(PanelType and (PANEL_LIFTUP)) and (gLifts[a].LiftType = 0)) or
(WordBool(PanelType and (PANEL_LIFTDOWN)) and (gLifts[a].LiftType = 1)) or
@@ -2127,7 +2266,7 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
end;
end;
- if WordBool(PanelType and PANEL_BLOCKMON)and (tag = panelTypeToTag(PANEL_BLOCKMON)) then
+ if WordBool(PanelType and PANEL_BLOCKMON) and (tag = GridTagBlockMon) then
begin
if ((not b1x3) or ((gBlockMon[a].Width + gBlockMon[a].Height) >= 64)) and
g_Collide(X, Y, Width, Height, gBlockMon[a].X, gBlockMon[a].Y, gBlockMon[a].Width, gBlockMon[a].Height) then
@@ -2138,57 +2277,130 @@ function g_Map_CollidePanel(X, Y: Integer; Width, Height: Word; PanelType: Word;
end;
end;
+ function checkerTree (obj: TObject): Boolean;
+ var
+ pan: TPanel;
+ begin
+ pan := (obj as TPanel);
+ result := checker(obj, pan.tag);
+ end;
+
begin
- result := gMapGrid.forEachInAABB(X, Y, Width, Height, qq);
+ //TODO: detailed profile
+ if (profMapCollision <> nil) then profMapCollision.sectionBeginAccum('wall coldet');
+ try
+ if gdbg_map_use_grid_coldet then
+ begin
+ if gdbg_map_use_tree_coldet then
+ begin
+ result := mapTree.aabbQuery(X, Y, Width, Height, checkerTree);
+ end
+ else
+ begin
+ result := gMapGrid.forEachInAABB(X, Y, Width, Height, checker);
+ end;
+ end
+ else
+ begin
+ result := g_Map_CollidePanelOld(X, Y, Width, Height, PanelType, b1x3);
+ end;
+ finally
+ if (profMapCollision <> nil) then profMapCollision.sectionEnd();
+ end;
end;
function g_Map_CollideLiquid_Texture(X, Y: Integer; Width, Height: Word): DWORD;
var
- a, h: Integer;
-begin
- Result := TEXTURE_NONE;
+ cctype: Integer = 3; // priority: 0: water, 1: acid1, 2: acid2; 3: others (nothing)
+ texid: DWORD;
- if gWater <> nil then
+ // slightly different from the old code, but meh...
+ function checker (obj: TObject; tag: Integer): Boolean;
+ var
+ pan: TPanel;
+ a: Integer;
begin
- h := High(gWater);
-
- for a := 0 to h do
- if g_Collide(X, Y, Width, Height,
- gWater[a].X, gWater[a].Y,
- gWater[a].Width, gWater[a].Height) then
+ result := false; // don't stop, ever
+ pan := (obj as TPanel);
+ a := pan.ArrIdx;
+ // water
+ if (tag = GridTagWater) then
+ begin
+ if g_Collide(X, Y, Width, Height, gWater[a].X, gWater[a].Y, gWater[a].Width, gWater[a].Height) then
begin
- Result := gWater[a].GetTextureID();
- Exit;
+ result := true; // water has highest priority, so stop right here
+ texid := gWater[a].GetTextureID();
+ exit;
end;
- end;
-
- if gAcid1 <> nil then
- begin
- h := High(gAcid1);
-
- for a := 0 to h do
- if g_Collide(X, Y, Width, Height,
- gAcid1[a].X, gAcid1[a].Y,
- gAcid1[a].Width, gAcid1[a].Height) then
+ end;
+ // acid1
+ if (cctype > 1) and (tag = GridTagAcid1) then
+ begin
+ if g_Collide(X, Y, Width, Height, gAcid1[a].X, gAcid1[a].Y, gAcid1[a].Width, gAcid1[a].Height) then
begin
- Result := gAcid1[a].GetTextureID();
- Exit;
+ cctype := 1;
+ texid := gAcid1[a].GetTextureID();
+ exit;
+ end;
+ end;
+ // acid2
+ if (cctype > 2) and (tag = GridTagAcid2) then
+ begin
+ if g_Collide(X, Y, Width, Height, gAcid2[a].X, gAcid2[a].Y, gAcid2[a].Width, gAcid2[a].Height) then
+ begin
+ cctype := 2;
+ texid := gAcid2[a].GetTextureID();
+ exit;
end;
+ end;
end;
- if gAcid2 <> nil then
+ function checkerTree (obj: TObject): Boolean;
+ var
+ pan: TPanel;
begin
- h := High(gAcid2);
+ result := false;
+ pan := (obj as TPanel);
+ if (pan.tag = GridTagWater) or (pan.tag = GridTagAcid1) or (pan.tag = GridTagAcid2) then result := checker(obj, pan.tag);
+ end;
- for a := 0 to h do
- if g_Collide(X, Y, Width, Height,
- gAcid2[a].X, gAcid2[a].Y,
- gAcid2[a].Width, gAcid2[a].Height) then
+{var
+ cctype1: Integer = 3; // priority: 0: water, 1: acid1, 2: acid2; 3: others (nothing)
+ texid1: DWORD;}
+begin
+ //TODO: detailed profile?
+ if (profMapCollision <> nil) then profMapCollision.sectionBeginAccum('liquid coldet');
+ try
+ if gdbg_map_use_grid_coldet then
+ begin
+ texid := TEXTURE_NONE;
+ if gdbg_map_use_tree_coldet then
begin
- Result := gAcid2[a].GetTextureID();
- Exit;
+ mapTree.aabbQuery(X, Y, Width, Height, checkerTree);
+ {
+ cctype1 := cctype;
+ texid1 := texid;
+ cctype := 3;
+ texid := TEXTURE_NONE;
+ gMapGrid.forEachInAABB(X, Y, Width, Height, checker);
+ if (cctype1 <> cctype) or (texid1 <> texid) then
+ begin
+ e_WriteLog(Format('g_Map_CollideLiquid_Texture(%d, %d, %u, %u): tree(cctype:%d;texid:%u); grid(cctype:%d;texid:%u)', [X, Y, Width, Height, cctype1, texid1, cctype, texid]), MSG_WARNING);
+ end;}
+ end
+ else
+ begin
+ gMapGrid.forEachInAABB(X, Y, Width, Height, checker);
end;
+ result := texid;
+ end
+ else
+ begin
+ result := g_Map_CollideLiquid_TextureOld(X, Y, Width, Height);
+ end;
+ finally
+ if (profMapCollision <> nil) then profMapCollision.sectionEnd();
end;
end;