corrade-vassal – Rev 1
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/*
* Copyright (c) 2006-2014, openmetaverse.org
* All rights reserved.
*
* - Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Neither the name of the openmetaverse.org nor the names
* of its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using OpenMetaverse.Imaging;
using OpenMetaverse.Assets;
namespace OpenMetaverse.GUI
{
/// <summary>
/// PictureBox GUI component for displaying a client's mini-map
/// </summary>
public class MiniMap : PictureBox
{
private static Brush BG_COLOR = Brushes.Navy;
private UUID _MapImageID;
private GridClient _Client;
private Image _MapLayer;
//warning CS0414: The private field `OpenMetaverse.GUI.MiniMap._MousePosition' is assigned but its value is never used
//private Point _MousePosition;
ToolTip _ToolTip;
/// <summary>
/// Gets or sets the GridClient associated with this control
/// </summary>
public GridClient Client
{
get { return _Client; }
set { if (value != null) InitializeClient(value); }
}
/// <summary>
/// PictureBox control for an unspecified client's mini-map
/// </summary>
public MiniMap()
{
this.BorderStyle = BorderStyle.FixedSingle;
this.SizeMode = PictureBoxSizeMode.Zoom;
}
/// <summary>
/// PictureBox control for the specified client's mini-map
/// </summary>
public MiniMap(GridClient client) : this ()
{
InitializeClient(client);
_ToolTip = new ToolTip();
_ToolTip.Active = true;
_ToolTip.AutomaticDelay = 1;
this.MouseHover += new System.EventHandler(MiniMap_MouseHover);
this.MouseMove += new MouseEventHandler(MiniMap_MouseMove);
}
/// <summary>Sets the map layer to the specified bitmap image</summary>
/// <param name="mapImage"></param>
public void SetMapLayer(Bitmap mapImage)
{
if (this.InvokeRequired) this.BeginInvoke((MethodInvoker)delegate { SetMapLayer(mapImage); });
else
{
if (mapImage == null)
{
Bitmap bmp = new Bitmap(256, 256);
Graphics g = Graphics.FromImage(bmp);
g.Clear(this.BackColor);
g.FillRectangle(BG_COLOR, 0f, 0f, 256f, 256f);
g.DrawImage(bmp, 0, 0);
_MapLayer = bmp;
}
else _MapLayer = mapImage;
}
}
private void InitializeClient(GridClient client)
{
_Client = client;
_Client.Grid.CoarseLocationUpdate += Grid_CoarseLocationUpdate;
_Client.Network.SimChanged += Network_OnCurrentSimChanged;
}
void Grid_CoarseLocationUpdate(object sender, CoarseLocationUpdateEventArgs e)
{
UpdateMiniMap(e.Simulator);
}
private void UpdateMiniMap(Simulator sim)
{
if (!this.IsHandleCreated) return;
if (this.InvokeRequired) this.BeginInvoke((MethodInvoker)delegate { UpdateMiniMap(sim); });
else
{
if (_MapLayer == null)
SetMapLayer(null);
Bitmap bmp = (Bitmap)_MapLayer.Clone();
Graphics g = Graphics.FromImage(bmp);
Vector3 myCoarsePos;
if (!sim.AvatarPositions.TryGetValue(Client.Self.AgentID, out myCoarsePos)) return;
int i = 0;
_Client.Network.CurrentSim.AvatarPositions.ForEach(
delegate(KeyValuePair<UUID, Vector3> coarse)
{
int x = (int)coarse.Value.X;
int y = 255 - (int)coarse.Value.Y;
if (coarse.Key == Client.Self.AgentID)
{
g.FillEllipse(Brushes.Yellow, x - 5, y - 5, 10, 10);
g.DrawEllipse(Pens.Khaki, x - 5, y - 5, 10, 10);
}
else
{
Pen penColor;
Brush brushColor;
if (Client.Network.CurrentSim.ObjectsAvatars.Find(delegate(Avatar av) { return av.ID == coarse.Key; }) != null)
{
brushColor = Brushes.PaleGreen;
penColor = Pens.Green;
}
else
{
brushColor = Brushes.LightGray;
penColor = Pens.Gray;
}
if (myCoarsePos.Z - coarse.Value.Z > 1)
{
Point[] points = new Point[3] { new Point(x - 6, y - 6), new Point(x + 6, y - 6), new Point(x, y + 6) };
g.FillPolygon(brushColor, points);
g.DrawPolygon(penColor, points);
}
else if (myCoarsePos.Z - coarse.Value.Z < -1)
{
Point[] points = new Point[3] { new Point(x - 6, y + 6), new Point(x + 6, y + 6), new Point(x, y - 6) };
g.FillPolygon(brushColor, points);
g.DrawPolygon(penColor, points);
}
else
{
g.FillEllipse(brushColor, x - 5, y - 5, 10, 10);
g.DrawEllipse(penColor, x - 5, y - 5, 10, 10);
}
}
i++;
}
);
g.DrawImage(bmp, 0, 0);
this.Image = bmp;
}
}
void MiniMap_MouseHover(object sender, System.EventArgs e)
{
_ToolTip.SetToolTip(this, "test");
_ToolTip.Show("test", this);
//TODO: tooltip popup with closest avatar's name, if within range
}
void MiniMap_MouseMove(object sender, MouseEventArgs e)
{
_ToolTip.Hide(this);
//warning CS0414: The private field `OpenMetaverse.GUI.MiniMap._MousePosition' is assigned but its value is never used
//_MousePosition = e.Location;
}
void Network_OnCurrentSimChanged(object sender, SimChangedEventArgs e)
{
if (_Client.Network.Connected) return;
GridRegion region;
if (Client.Grid.GetGridRegion(Client.Network.CurrentSim.Name, GridLayerType.Objects, out region))
{
SetMapLayer(null);
_MapImageID = region.MapImageID;
ManagedImage nullImage;
Client.Assets.RequestImage(_MapImageID, ImageType.Baked,
delegate(TextureRequestState state, AssetTexture asset)
{
if(state == TextureRequestState.Finished)
OpenJPEG.DecodeToImage(asset.AssetData, out nullImage, out _MapLayer);
});
}
}
}
}