/*===========================================================================
*
* File: MorrowMap.JAVA
* Author: Dave Humphrey (uesp@m0use.net)
* Created On: Monday, August 27, 2001
*
* Description
*
*=========================================================================*/
/* Import Packages */
import java.awt.*;
import java.awt.Toolkit.*;
import java.awt.event.*;
import java.awt.image.*;
import java.io.*;
import java.net.*;
import java.net.URL;
import MorrowMapLocTypes;
import MorrowMapRecord;
import MorrowMapOptions;
import MorrowMapArray;
/*===========================================================================
*
* Begin Class MorrowMap
*
* Main class for handling the Tamriel map parsing and output.
*
*=========================================================================*/
public class MorrowMap extends java.applet.Applet implements Runnable {
/*---------- Begin Class Data Constants --------------------------*/
/*---------- End of Class Data Constants -------------------------*/
/*---------- Begin Class Data Members --------------------------*/
Thread m_MainThread;
Image MapImage; /* Stores the image of the map */
Graphics MapGraphics; /* The graphics handle for image */
Image m_MapBGImage; /* Map background image, if any */
Graphics m_hMapBGImage; /* The graphics handle for image */
int m_BGImageWidth;
int m_BGImageHeight;
MorrowMapArray m_ProvinceArray; /* Array of province map records */
MorrowMapArray m_LocationArray; /* Array of general location map records */
MorrowMapOptions m_MapOptions; /* Holds options related to map input/output */
MediaTracker m_MediaTracker; /* Used to update display when loading images/files */
String m_TrackerString;
boolean m_IsLoading;
/*---------- End of Class Data Members -------------------------*/
/*===========================================================================
*
* Method - int CheckParameters ();
*
* Checks and parses any input parameters for the applet. Returns -1 on any
* error.
*
*=========================================================================*/
int CheckParameters () {
String ParamString;
int Value;
/* Check for the pixel width of image */
ParamString = getParameter("PixelWidth");
if (ParamString != null) {
Value = Integer.valueOf(ParamString).intValue();
if (Value < 10 || Value > 1024) return (-1);
m_MapOptions.m_PixelWidth = Value;
}
/* Check for the pixel height of image */
ParamString = getParameter("PixelHeight");
if (ParamString != null) {
Value = Integer.valueOf(ParamString).intValue();
if (Value < 10 || Value > 1024) return (-1);
m_MapOptions.m_PixelHeight = Value;
}
/* Check for the search string */
ParamString = getParameter("SearchString");
if (ParamString != null) {
m_MapOptions.SetSearchString(ParamString);
}
/* Check for display options */
ParamString = getParameter("DrawText");
if (ParamString != null) m_MapOptions.SetDrawText(ParamString);
ParamString = getParameter("ShowPosition");
if (ParamString != null) m_MapOptions.SetShowPosition(ParamString);
return (0);
}
/*===========================================================================
* End of Function CheckParameters()
*=========================================================================*/
/*===========================================================================
*
* Method - void ClearMapImage ();
*
* Clears the entire map image buffer.
*
*=========================================================================*/
public void ClearMapImage () {
int X, Y;
int X2, Y2;
int W, H;
MapGraphics.setColor(MorrowMapLocTypes.GetWaterColor());
MapGraphics.fillRect(0, 0, m_MapOptions.m_PixelWidth, m_MapOptions.m_PixelHeight);
//X = m_MapOptions.MapToPixelX(m_MapOptions.MIN_MAP_X);
//W = m_MapOptions.MapToPixelX(m_MapOptions.MAX_MAP_X) - m_MapOptions.MapToPixelX(m_MapOptions.MIN_MAP_X);
//Y = m_MapOptions.MapToPixelY(m_MapOptions.MAX_MAP_Y);
//H = m_MapOptions.MapToPixelY(m_MapOptions.MIN_MAP_Y) - m_MapOptions.MapToPixelY(m_MapOptions.MAX_MAP_Y);
//MapGraphics.drawImage(m_MapBGImage, X, Y, W, H, this);
X = (m_MapOptions.m_MapBox.x - m_MapOptions.MIN_MAP_X) * m_BGImageWidth / m_MapOptions.MAX_MAP_WIDTH;
X2 = (m_MapOptions.m_MapBox.x + m_MapOptions.m_MapBox.width - m_MapOptions.MIN_MAP_X) * m_BGImageWidth / m_MapOptions.MAX_MAP_WIDTH;
Y = (m_MapOptions.MAX_MAP_Y - m_MapOptions.m_MapBox.y) * m_BGImageHeight / m_MapOptions.MAX_MAP_HEIGHT;
Y2 = (m_MapOptions.MAX_MAP_Y - m_MapOptions.m_MapBox.y - m_MapOptions.m_MapBox.height) * m_BGImageHeight / m_MapOptions.MAX_MAP_HEIGHT;
/* Scale and paste the background image */
System.out.println("Map = " + X + ", " + Y2 + ", " + X2 + ", " + Y);
MapGraphics.drawImage (m_MapBGImage,
0, 0, m_MapOptions.m_PixelWidth, m_MapOptions.m_PixelHeight,
X, Y2, X2, Y, this);
}
/*===========================================================================
* End of Function ClearMapImage()
*=========================================================================*/
/*===========================================================================
*
* Method - public int CreateMapImage ();
*
* Attempts to create a new map image based on the current option and
* map database information.
*
*=========================================================================*/
public int CreateMapImage () {
/* Update the conversion factors */
m_MapOptions.ComputeConversion();
/* Delete the old map image, if any */
ClearMapImage();
/* Output province/main locations */
m_ProvinceArray.CreateImage(MapGraphics, m_MapOptions);
m_LocationArray.CreateImage(MapGraphics, m_MapOptions);
return (0);
}
/*===========================================================================
* End of Method int CreateMapImage()
*=========================================================================*/
/*===========================================================================
*
* Class MorrowMap Method - public void init ();
*
*=========================================================================*/
public void init() {
int Result;
/* Create the map database arrays */
m_ProvinceArray = new MorrowMapArray();
m_LocationArray = new MorrowMapArray();
/* Create the map options */
m_MapOptions = new MorrowMapOptions();
/* Check and parse any input parameters */
Result = CheckParameters();
/* Create the buffered map image */
MapImage = createImage(m_MapOptions.m_PixelWidth, m_MapOptions.m_PixelHeight);
MapGraphics = MapImage.getGraphics();
}
/*===========================================================================
* End of Class MorrowMap Method init()
*=========================================================================*/
/*===========================================================================
*
* Method - public int LoadMapBG ();
*
* Attempts to load the map background image.
*
*=========================================================================*/
public int LoadMapBG () {
URL theURL;
System.out.println("Starting LoadMapBG ' " + m_MapOptions.MAP_IMAGE_URL + "'...");
/* Attempt to initialize the URL and data IO streams */
m_MediaTracker = new MediaTracker(this);
m_IsLoading = true;
m_TrackerString = "Loading background image " + m_MapOptions.MAP_IMAGE_URL + "...";
repaint();
m_MapBGImage = getImage(getCodeBase(), m_MapOptions.MAP_IMAGE_URL);
/* Tell the MediaTracker to kep an eye on this image, and give an ID */
m_MediaTracker.addImage(m_MapBGImage, 1);
/* Tell the mediaTracker to stop the applet execution
(in this example don't paint) until the images are fully loaded.
must be in a try catch block. */
try {
m_MediaTracker.waitForID(1);
}
catch (InterruptedException e) {
System.out.println("Media track error...");
m_IsLoading = false;
return (-1);
}
m_IsLoading = false;
System.out.println("Finished loading BG image...");
System.out.println(" Size = " + m_MapBGImage.getWidth(this) + " x " + m_MapBGImage.getHeight(this));
m_BGImageWidth = m_MapBGImage.getWidth(this);
m_BGImageHeight = m_MapBGImage.getHeight(this);
return (0);
}
/*===========================================================================
* End of Method int LoadMapBG()
*=========================================================================*/
/*===========================================================================
*
* Class MorrowMap Method - void OutputError (Message);
*
* Displays the given error message to the Java window and stops the
* applet.
*
*=========================================================================*/
public void OutputError (String Message) {
/* Clear the current map image */
ClearMapImage();
/* Output the error message */
MapGraphics.setColor(Color.red);
MapGraphics.drawString("An error occurred in the Java applet!", 10, 10);
MapGraphics.drawString(Message, 10, 30);
repaint();
System.exit(1);
}
/*===========================================================================
* End of Class MorrowMap Method OutputError()
*=========================================================================*/
/*===========================================================================
*
* Class MorrowMap Method - paint (graph);
*
*=========================================================================*/
public void paint (Graphics graph) {
if (m_IsLoading) {
//graph.drawImage(m_MapBGImage, 0, 0, m_MapOptions.m_PixelWidth, m_MapOptions.m_PixelHeight, this);
graph.clearRect(0, 0, m_MapOptions.m_PixelWidth, m_MapOptions.m_PixelHeight);
graph.setColor(MorrowMapLocTypes.GetWaterColor());
graph.drawImage(MapImage, 0, 0, this);
graph.drawString(m_TrackerString, 100, 100);
}
else {
graph.drawImage(MapImage, 0, 0, this);
}
}
public void update (Graphics graph) {
paint(graph);
}
/*===========================================================================
* End of Method paint()
*=========================================================================*/
/*===========================================================================
*
* Method - void Pan (DX, DY);
*
* Attempts to pan the current view point of the map.
*
*=========================================================================*/
public void Pan (float DX, float DY) {
int Result;
/* Attempt to zoom in/out */
Result = m_MapOptions.Pan(DX, DY);
if (Result < 0) return;
/* Update the display */
CreateMapImage();
repaint();
}
/*===========================================================================
* End of Method Pan()
*=========================================================================*/
/*===========================================================================
*
* Method - void run ();
*
*=========================================================================*/
public void run () {
int Result;
/* Read and parse the map databases */
m_IsLoading = true;
m_TrackerString = "Loading location database " + m_MapOptions.MAP_PROV_URL + "...";
repaint();
Result = m_ProvinceArray.LoadDatabase(getCodeBase() + m_MapOptions.MAP_PROV_URL, true);
m_TrackerString = "Loading location database " + m_MapOptions.MAP_MAIN_URL + "...";
repaint();
if (Result >= 0) Result = m_LocationArray.LoadDatabase(getCodeBase() + m_MapOptions.MAP_MAIN_URL, false);
if (Result < 0) OutputError("Failed to load map database file!");
m_IsLoading = false;
/* Attempt to create the background image */
LoadMapBG();
/* Attempt to output database to image buffer */
CreateMapImage();
//m_ProvinceArray.DebugOutput();
//m_LocationArray.DebugOutput();
repaint();
}
/*===========================================================================
* End of Method Pan()
*=========================================================================*/
/*===========================================================================
*
* Method - void Search (SearchString);
*
* Searches the map database for matching locations, outputting the results
* to a new map image.
*
*=========================================================================*/
public void Search (String SearchString) {
/* Update the map options */
m_MapOptions.SetSearchString(SearchString);
/* Update the map image */
m_MapOptions.ZoomFullMap();
CreateMapImage();
repaint();
}
/*===========================================================================
* End of Method Search()
*=========================================================================*/
/*===========================================================================
*
* Class MorrowMap Method - public void start ();
*
*=========================================================================*/
public void start() {
m_MainThread = new Thread(this);
m_MainThread.start();
}
public void stop() {
m_MainThread.stop();
m_MainThread = null;
}
/*===========================================================================
* End of Class MorrowMap Method start()
*=========================================================================*/
/*===========================================================================
*
* Class MorrowMap Method - public void SetForceDisplayLevel ();
*
*=========================================================================*/
public void SetForceDisplayLevel (String Value) {
m_MapOptions.SetForceDisplayLevel(Value);
//System.out.println("Finished loading BG image...");
CreateMapImage();
repaint();
}
/*===========================================================================
* End of Class MorrowMap Method SetForceDisplayLevel()
*=========================================================================*/
/*===========================================================================
*
* Class MorrowMap Method - public void SetShowPosition ();
*
*=========================================================================*/
public void SetShowPosition (boolean Flag) {
m_MapOptions.m_ShowPosition = Flag;
CreateMapImage();
repaint();
}
/*===========================================================================
* End of Class MorrowMap Method SetShowPosition()
*=========================================================================*/
/*===========================================================================
*
* Class MorrowMap Method - public void SetShowAll ();
*
*=========================================================================*/
public void SetShowAll (boolean Flag) {
m_MapOptions.m_ShowAll = Flag;
CreateMapImage();
repaint();
}
/*===========================================================================
* End of Class MorrowMap Method SetShowAll()
*=========================================================================*/
/*===========================================================================
*
* Method - void Zoom (Amount);
*
* Attempts to zoom into/out of the current view point of the map. Amount
* is a number representing the amount of zoom.
* 0.5 = Zoom in to half size
* 1.0 = No change
* 2.0 = Zoom out to double size
*
*=========================================================================*/
public void Zoom (float Amount) {
int Result;
/* Attempt to zoom in/out */
Result = m_MapOptions.Zoom(Amount);
if (Result < 0) return;
/* Update the display */
CreateMapImage();
repaint();
}
/*===========================================================================
* End of Method Zoom()
*=========================================================================*/
/*===========================================================================
*
* Method - void ZoomFullMap ();
*
* Resets the zoom level to show the entire map area.
*
*=========================================================================*/
public void ZoomFullMap () {
int Result;
/* Attempt to zoom in/out */
Result = m_MapOptions.ZoomFullMap();
if (Result < 0) return;
/* Update the display */
CreateMapImage();
repaint();
}
/*===========================================================================
* End of Method ZoomFullMap()
*=========================================================================*/
}
/*===========================================================================
* End of Class MorrowMap
*=========================================================================*/
/*===========================================================================
* End of File MorrowMap.JAVA
*=========================================================================*/