CentrED/Client/UfrmRegionControl.pas

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(*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* http://www.opensource.org/licenses/cddl1.php. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2008 Andreas Schneider
*)
unit UfrmRegionControl;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, CheckLst,
VirtualTrees, ExtCtrls, ImagingComponents, StdCtrls, Buttons, Spin, LCLIntf,
math, UPlatformTypes, UEnhancedMemoryStream, Menus,contnrs, UInterfaces,
URectList;
type
TAreaMoveType = (amLeft, amTop, amRight, amBottom);
TAreaMove = set of TAreaMoveType;
{ TfrmRegionControl }
TfrmRegionControl = class(TForm)
btnAddArea: TSpeedButton;
btnClearArea: TSpeedButton;
btnDeleteArea: TSpeedButton;
btnExit: TButton;
btnSave: TButton;
Label1: TLabel;
lblX: TLabel;
lblY: TLabel;
mnuAddGroup: TMenuItem;
mnuRemoveGroup: TMenuItem;
Panel1: TPanel;
Panel2: TPanel;
Panel3: TPanel;
pbArea: TPaintBox;
pnlAreaControls: TPanel;
pmGroup: TPopupMenu;
sbArea: TScrollBox;
seX1: TSpinEdit;
seX2: TSpinEdit;
seY1: TSpinEdit;
seY2: TSpinEdit;
vstGroups: TVirtualStringTree;
vstArea: TVirtualStringTree;
procedure acAddGroup(Sender: TObject);
procedure accRemoveGroup(Sender: TObject);
procedure btnAddAreaClick(Sender: TObject);
procedure btnClearAreaClick(Sender: TObject);
procedure btnCloseClick(Sender: TObject);
procedure btnDeleteAreaClick(Sender: TObject);
procedure btnSaveClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure pbAreaMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure pbAreaMouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer
);
procedure pbAreaPaint(Sender: TObject);
procedure seX1Change(Sender: TObject);
procedure vstAreaChange(Sender: TBaseVirtualTree; Node: PVirtualNode);
procedure vstAreaGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString);
procedure vstGroupsChange(Sender: TBaseVirtualTree; Node: PVirtualNode);
procedure vstGroupsGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString);
procedure vstGroupsNewText(Sender: TBaseVirtualTree; Node: PVirtualNode;
Column: TColumnIndex; const NewText: WideString);
procedure vstGroupsOnEditing(Sender: TBaseVirtualTree; Node: PVirtualNode;
Column: TColumnIndex; var Allowed: Boolean);
protected
FLastX: Integer;
FLastY: Integer;
FAreaMove: TAreaMove;
procedure OnListRegionsPacket(ABuffer: TEnhancedMemoryStream);
private
{ private declarations }
public
{ public declarations }
end;
var
frmRegionControl: TfrmRegionControl;
implementation
uses
UGameResources, UfrmRadar, UfrmMain, UdmNetwork, UPacket, UPackets,
UGUIPlatformUtils, UAdminHandling, UPacketHandlers;
type
{ TRequestRegionListPacket }
TRequestRegionListPacket = class(TPacket)
constructor Create;
end;
PRegionInfo = ^TRegionInfo;
TRegionInfo = record
Name: string;
Areas: TRectList;
end;
{ TRequestRegionListPacket }
constructor TRequestRegionListPacket.Create;
begin
inherited Create($03, 0);
FStream.WriteByte($0A);
end;
{ TfrmRegionControl }
procedure TfrmRegionControl.OnListRegionsPacket(ABuffer: TEnhancedMemoryStream);
var
regionCount, areaCount: Byte;
i, j, x1, x2, y1, y2: Integer;
node: PVirtualNode;
regionInfo: PRegionInfo;
begin
vstGroups.BeginUpdate;
vstGroups.Clear;
regionCount := ABuffer.ReadByte;
for i := 0 to regionCount - 1 do
begin
node := vstGroups.AddChild(nil);
regionInfo := vstGroups.GetNodeData(node);
regionInfo^.Name := ABuffer.ReadStringNull;
regionInfo^.Areas := TRectList.Create;
areaCount := ABuffer.ReadByte;
for j := 0 to areaCount - 1 do
begin
x1 := ABuffer.ReadWord;
y1 := ABuffer.ReadWord;
x2 := ABuffer.ReadWord;
y2 := ABuffer.ReadWord;
regionInfo^.Areas.Add(x1, y1, x2, y2);
end;
end;
vstGroups.EndUpdate;
end;
procedure TfrmRegionControl.FormCreate(Sender: TObject);
begin
pbArea.Width := frmRadarMap.Radar.Width;
pbArea.Height := frmRadarMap.Radar.Height;
seX1.MaxValue := ResMan.Landscape.CellWidth;
seX2.MaxValue := ResMan.Landscape.CellWidth;
seY1.MaxValue := ResMan.Landscape.CellHeight;
seY2.MaxValue := ResMan.Landscape.CellHeight;
vstArea.NodeDataSize := SizeOf(TRect);
vstGroups.NodeDataSize := SizeOf(TRegionInfo);
frmRadarMap.Dependencies.Add(pbArea);
AdminPacketHandlers[$09] := TPacketHandler.Create(0, @OnListRegionsPacket);
end;
procedure TfrmRegionControl.btnDeleteAreaClick(Sender: TObject);
var
infoGroup: PRegionInfo;
i: Integer;
begin
if vstGroups.GetFirstSelected <> nil then
begin
infoGroup := vstGroups.GetNodeData(vstGroups.GetFirstSelected);
infoGroup^.Areas.Delete(vstArea.AbsoluteIndex(vstArea.GetFirstSelected));
vstGroupsChange(vstGroups, vstGroups.GetFirstSelected);
end;
end;
procedure TfrmRegionControl.btnSaveClick(Sender: TObject);
var
packet: TPacket;
stream: TEnhancedMemoryStream;
groupCount,areaCount: Byte;
i, j: Integer;
node: PVirtualNode;
groupInfo: PRegionInfo;
begin
packet := TPacket.Create($03, 0);
stream := packet.Stream;
stream.Position := stream.Size;
stream.WriteByte($09);
groupCount := Min(vstGroups.RootNodeCount, 255);
stream.WriteByte(groupCount);
if groupCount = 0 then Exit;
i := 0;
node := vstGroups.GetFirst;
while (node <> nil) and (i < groupCount) do
begin
groupInfo := vstGroups.GetNodeData(node);
stream.WriteStringNull(groupInfo^.Name);
areaCount:=Min(groupInfo^.Areas.Count,255);
stream.WriteByte(areaCount);
for j := 0 to areaCount-1 do
with groupInfo^.Areas.Rects[j] do
begin
stream.WriteWord(Min(Left, Right));
stream.WriteWord(Min(Top, Bottom));
stream.WriteWord(Max(Left, Right));
stream.WriteWord(Max(Top, Bottom));
end;
node := vstGroups.GetNext(node);
Inc(i);
end;
dmNetwork.Send(TCompressedPacket.Create(packet));
Close;
end;
procedure TfrmRegionControl.acAddGroup(Sender: TObject);
var
node : PVirtualNode;
infoGroup : PRegionInfo;
begin
node := vstGroups.AddChild(nil);
infoGroup := vstGroups.GetNodeData(node);
infoGroup^.Name := 'Unnamed';
infoGroup^.Areas := TRectList.Create;
end;
procedure TfrmRegionControl.accRemoveGroup(Sender: TObject);
begin
vstGroups.DeleteSelectedNodes;
vstGroupsChange(vstGroups, nil);
end;
procedure TfrmRegionControl.btnAddAreaClick(Sender: TObject);
var
node: PVirtualNode;
nodeInfo: ^TRect;
infoGroup : PRegionInfo;
begin
infoGroup:=vstGroups.GetNodeData(vstGroups.GetFirstSelected);
node := vstArea.AddChild(nil);
nodeInfo := vstArea.GetNodeData(node);
nodeInfo^.Left := 0;
nodeInfo^.Top := 0;
nodeInfo^.Right := 0;
nodeInfo^.Bottom := 0;
infoGroup^.Areas.Add(0, 0, 0, 0);
vstArea.ClearSelection;
vstArea.Selected[node] := True;
vstArea.FocusedNode := node;
end;
procedure TfrmRegionControl.btnClearAreaClick(Sender: TObject);
var
infoGroup: PRegionInfo;
infoArea : TRect;
i: Integer;
begin
if vstGroups.GetFirstSelected <> nil then
begin
infoGroup := vstGroups.GetNodeData(vstGroups.GetFirstSelected);
infoGroup^.Areas.Clear;
vstGroupsChange(vstGroups, vstGroups.GetFirstSelected);
end;
end;
procedure TfrmRegionControl.btnCloseClick(Sender: TObject);
begin
Close;
end;
procedure TfrmRegionControl.FormDestroy(Sender: TObject);
begin
frmRadarMap.Dependencies.Remove(pbArea);
if AdminPacketHandlers[$09] <> nil then FreeAndNil(AdminPacketHandlers[$09]);
end;
procedure TfrmRegionControl.FormShow(Sender: TObject);
begin
SetWindowParent(Handle, frmMain.Handle);
dmNetwork.Send(TRequestRegionListPacket.Create);
end;
procedure TfrmRegionControl.pbAreaMouseDown(Sender: TObject;
Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
var
node, match: PVirtualNode;
nodeInfo: ^TRect;
p: TPoint;
i: Integer;
infoArea: TRect;
infoGroup: PRegionInfo;
begin
FAreaMove := [];
p := Point(X * 8, Y * 8);
match := nil;
node := vstArea.GetFirst;
while node <> nil do
begin
nodeInfo := vstArea.GetNodeData(node);
if PtInRect(nodeInfo^, p) then
match := node;
node := vstArea.GetNext(node);
end;
if match <> nil then
begin
nodeInfo := vstArea.GetNodeData(match);
if p.x - nodeInfo^.Left <= 64 then Include(FAreaMove, amLeft);
if p.y - nodeInfo^.Top <= 64 then Include(FAreaMove, amTop);
if nodeInfo^.Right - p.x <= 64 then Include(FAreaMove, amRight);
if nodeInfo^.Bottom - p.y <= 64 then Include(FAreaMove, amBottom);
if FAreaMove = [] then
FAreaMove := [amLeft, amTop, amRight, amBottom];
end else
begin
if vstGroups.GetFirstSelected <> nil then
begin
infoGroup:=vstGroups.GetNodeData(vstGroups.GetFirstSelected);
match := vstArea.AddChild(nil);
nodeInfo:=vstArea.GetNodeData(match);
nodeInfo^.Left := p.x;
nodeInfo^.Top := p.y;
nodeInfo^.Right := p.x;
nodeInfo^.Bottom := p.y;
infoGroup^.Areas.Add(p.x, p.y, p.x, p.y);
pbArea.Repaint;
FAreaMove := [amRight, amBottom];
end;
end;
vstArea.ClearSelection;
vstArea.Selected[match] := True;
FLastX := X;
FLastY := Y;
end;
procedure TfrmRegionControl.pbAreaMouseMove(Sender: TObject;
Shift: TShiftState; X, Y: Integer);
var
offsetX, offsetY: Integer;
begin
if (ssLeft in Shift) and (vstArea.GetFirstSelected <> nil) then
begin
offsetX := (X - FLastX) * 8;
offsetY := (Y - FLastY) * 8;
if amLeft in FAreaMove then seX1.Value := seX1.Value + offsetX;
if amRight in FAreaMove then seX2.Value := seX2.Value + offsetX;
if amTop in FAreaMove then seY1.Value := seY1.Value + offsetY;
if amBottom in FAreaMove then seY2.Value := seY2.Value + offsetY;
FLastX := X;
FLastY := Y;
seX1Change(nil);
end;
end;
procedure TfrmRegionControl.pbAreaPaint(Sender: TObject);
var
i: Integer;
node: PVirtualNode;
nodeInfo: ^TRect;
begin
DisplayImage(pbArea.Canvas, 0, 0, frmRadarMap.Radar);
pbArea.Canvas.Pen.Color := clRed;
pbArea.Canvas.Brush.Color := clMaroon;
pbArea.Canvas.Brush.Style := bsFDiagonal;
node := vstArea.GetFirst;
while node <> nil do
begin
if vstArea.Selected[node] then
begin
pbArea.Canvas.Pen.Width := 2;
pbArea.Canvas.Pen.Style := psSolid;
end else
begin
pbArea.Canvas.Pen.Width := 1;
pbArea.Canvas.Pen.Style := psDot;
end;
nodeInfo := vstArea.GetNodeData(node);
pbArea.Canvas.Rectangle(nodeInfo^.Left div 8, nodeInfo^.Top div 8,
nodeInfo^.Right div 8 + 1, nodeInfo^.Bottom div 8 + 1);
node := vstArea.GetNext(node);
end;
end;
procedure TfrmRegionControl.seX1Change(Sender: TObject);
var
node: PVirtualNode;
nodeInfo: ^TRect;
infoGroup: PRegionInfo;
begin
node := vstArea.GetFirstSelected;
if node <> nil then
begin
nodeInfo := vstArea.GetNodeData(node);
nodeInfo^.Left := seX1.Value;
nodeInfo^.Right := seX2.Value;
nodeInfo^.Top := seY1.Value;
nodeInfo^.Bottom := seY2.Value;
infoGroup:= vstGroups.GetNodeData(vstGroups.GetFirstSelected);
infoGroup^.Areas.Rects[vstArea.AbsoluteIndex(node)] := nodeinfo^;
vstArea.InvalidateNode(node);
pbArea.Repaint;
end;
end;
procedure TfrmRegionControl.vstAreaChange(Sender: TBaseVirtualTree;
Node: PVirtualNode);
var
nodeInfo: ^TRect;
selected: Boolean;
begin
selected := (Node <> nil) and Sender.Selected[Node];
btnDeleteArea.Enabled := selected;
lblX.Enabled := selected;
lblY.Enabled := selected;
seX1.Enabled := selected;
seX2.Enabled := selected;
seY1.Enabled := selected;
seY2.Enabled := selected;
if selected then
begin
nodeInfo := Sender.GetNodeData(Node);
seX1.Value := nodeInfo^.Left;
seX2.Value := nodeInfo^.Right;
seY1.Value := nodeInfo^.Top;
seY2.Value := nodeInfo^.Bottom;
end;
end;
procedure TfrmRegionControl.vstAreaGetText(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
var CellText: WideString);
var
nodeInfo: ^TRect;
begin
nodeInfo := Sender.GetNodeData(Node);
CellText := Format('(%d, %d), (%d, %d)', [nodeInfo^.Left, nodeInfo^.Top,
nodeInfo^.Right, nodeInfo^.Bottom]);
end;
procedure TfrmRegionControl.vstGroupsChange(Sender: TBaseVirtualTree;
Node: PVirtualNode);
var
i: Integer;
nodeArea: PVirtualNode;
infoGroup: PRegionInfo;
infoArea: ^TRect;
Area: ^TRect;
begin
vstArea.BeginUpdate;
vstArea.Clear;
if Node <> nil then
begin {TODO : code style!!!!}
infoGroup:=Sender.GetNodeData(Node);
for i:=0 to infoGroup^.Areas.Count-1 do
begin
nodeArea := vstArea.AddChild(nil);
infoArea := vstArea.GetNodeData(nodeArea);
Area := infoGroup^.Areas[i];
infoArea^.Left := Area^.Left;
infoArea^.Top := Area^.Top;
infoArea^.Right := Area^.Right;
infoArea^.Bottom := Area^.Bottom;
end;
end;
vstArea.EndUpdate;
pbArea.Repaint;
end;
procedure TfrmRegionControl.vstGroupsGetText(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
var CellText: WideString);
var
nodeInfo: PRegionInfo;
begin
nodeInfo := Sender.GetNodeData(Node);
CellText := nodeInfo^.Name;
end;
procedure TfrmRegionControl.vstGroupsNewText(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; const NewText: WideString);
var
nodeInfo: PRegionInfo;
begin
if (Node <> nil) then begin
nodeInfo := Sender.GetNodeData(Node);
nodeInfo^.Name := NewText;
end;
end;
procedure TfrmRegionControl.vstGroupsOnEditing(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; var Allowed: Boolean);
begin
Allowed := True;
end;
initialization
{$I UfrmRegionControl.lrs}
end.