oké … no problemo … here we go …
/*
* Created on 7-okt-2003
*/
package menu;
import net.java.games.jogl.*;
import java.awt.*;
import javax.vecmath.*;
import java.io.*;
import glUtil.*;
/**
* A textbox for text of main characters with picture
* and name. Will take care of all visualization aspects.
*
* @author Kozen
*/
public class PictureTextDisplayer implements TextDisplayer {
/** Name of the object for the picture */
private String name;
/** Dimension of this box */
private Dimension dimension;
/** Location on screen */
private Point location;
/** Displayed text so far */
private String currentText;
/** Complete text to display */
private String completeText;
/** Current character location */
private int charLocation;
/** Color for name displaying */
private float[] nameColor;
/** Color for text displaying */
private float[] textColor;
/** Are we finished writing and waiting keypress ? */
private boolean finished;
/** Are we visible .. */
private boolean active;
// ------------------------------------------------------
// For Texturing:
// ------------------------------------------------------
/** Array of textureID's */
private int[] texturesID = new int[4];
/** Base for the font texture */
private int base;
/** Font Texture ID */
public static int FONT_TEXTURE_ID = 0;
/** Person icon ID */
public static int ICON_ID = 1;
/** Background picture for text ID */
public static int BACKGROUND_ID = 2;
/** Continue text icon ID */
public static int CONTINUE_TEXT_ID = 3;
/**
* Basic Contructor which creates the textdipslayer with
* with only name as paramater. Rest is standard.
*
* @param name Name if this character
*/
public PictureTextDisplayer(String name) {
this.name = name;
finished = false;
active = true;
currentText = "\"";
charLocation = 0;
completeText = "Dit is een Test. \n Welcome to XonoX! \n ... ";
location = new Point(300, 20);
Color3f tmpColor = new Color3f(new Color(204, 213, 192));
nameColor = new float[] { tmpColor.x, tmpColor.y, tmpColor.z };
tmpColor = new Color3f(new Color(205, 236, 161));
textColor = new float[] { tmpColor.x, tmpColor.y, tmpColor.z };
}
/** @see overlay.TextDisplayer#getDisplayType() */
public int getDisplayType() {
return PICTURE_TEXT_DISPLAYER;
}
/**
* Draw the current box with already visible text,
* name and icon
*/
public void display(GLDrawable drawable) {
GL gl = drawable.getGL();
// easier use:
int x = location.x;
int y = location.y;
gl.glLoadIdentity();
gl.glTranslatef(x, y, 0);
// draw background
drawPicture(gl, 256, 128, BACKGROUND_ID);
// draw name:
gl.glColor3fv(nameColor);
glPrint(gl, x + 10, y + 77, name, 0, 1.00f);
// draw text:
gl.glColor3fv(textColor);
String[] lines = currentText.split("\n");
for (int i = 0; i < lines.length; i++) {
glPrint(gl, x + 10, y + 56 - i * 15, lines[i], 0, 1.00f);
}
// finished = true;
// awaiting press ?
if (finished) {
gl.glTranslatef(230, 8, 0);
drawPicture(gl, 16, 16, CONTINUE_TEXT_ID);
// gl.glTranslatef(-(x+145),-(y+20),0);
}
// draw the character icon:
gl.glTranslatef(165, 94, 0);
// drawPicture(gl,128,ICON_ID,ICON_MASK_ID);
}
/** Draw a picture */
private void drawPicture(GL gl, int x, int y, int tID) {
gl.glEnable(GL.GL_BLEND);
gl.glDisable(GL.GL_DEPTH_TEST);
gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA );
// Bind the mask texture to our new 2D quad
gl.glBindTexture(GL.GL_TEXTURE_2D, texturesID[tID]);
gl.glBegin(GL.GL_QUADS);
gl.glTexCoord2f(0, 0);
gl.glVertex2i(0, 0);
gl.glTexCoord2f(1, 0);
gl.glVertex2i(x, 0);
gl.glTexCoord2f(1, 1);
gl.glVertex2i(x, y);
gl.glTexCoord2f(0, 1);
gl.glVertex2i(0, y);
gl.glEnd();
gl.glDisable(GL.GL_BLEND);
gl.glEnable(GL.GL_DEPTH_TEST);
}
/** @see overlay.TextDisplayer#updateText() */
public void updateText() {
currentText += completeText.charAt(charLocation++);
if (charLocation == completeText.length()) {
currentText += " \"";
finished = true;
}
}
/** Is now active .. ? */
public boolean isActive() {
return active;
}
/** Set Visibility .. ? */
public void setActive(boolean b) {
active = b;
}
/** Are we finished displaying text ? */
public boolean isFinished() {
return finished;
}
/** @see overlay.TextDisplayer#getSize() */
public Dimension getSize() {
return dimension;
}
/* (non-Javadoc)
* @see glUtil.Drawable#isDrawable()
*/
public boolean isDrawable() {
return true;
}
private void buildFont(GL gl) // Build Our Font Display List
{
float cx; // Holds Our X Character Coord
float cy; // Holds Our Y Character Coord
float characterWidth = 0.0625f;
base = gl.glGenLists(256); // Creating 256 Display Lists
gl.glBindTexture(GL.GL_TEXTURE_2D, texturesID[FONT_TEXTURE_ID]);
// Select Our Font Texture
for (int loop = 0; loop < 256; loop++) // Loop Through All 256 Lists
{
cx = (float) (loop % 16) / 16.0f;
// X Position Of Current Character
cy = (float) (loop / 16) / 16.0f;
// Y Position Of Current Character
gl.glNewList(base + loop, GL.GL_COMPILE); // Start Building A List
gl.glBegin(GL.GL_QUADS); // Use A Quad For Each Character
gl.glTexCoord2f(cx, 1 - cy - characterWidth);
// Texture Coord (Bottom Left)
gl.glVertex2i(0, 0); // Vertex Coord (Bottom Left)
gl.glTexCoord2f(cx + characterWidth, 1 - cy - characterWidth);
// Texture Coord (Bottom Right)
gl.glVertex2i(16, 0); // Vertex Coord (Bottom Right)
gl.glTexCoord2f(cx + characterWidth, 1 - cy);
// Texture Coord (Top Right)
gl.glVertex2i(16, 16); // Vertex Coord (Top Right)
gl.glTexCoord2f(cx, 1 - cy); // Texture Coord (Top Left)
gl.glVertex2i(0, 16); // Vertex Coord (Top Left)
gl.glEnd(); // Done Building Our Quad (Character)
gl.glTranslated(12, 0, 0); // Move To The Right Of The Character
gl.glEndList(); // Done Building The Display List
} // Loop Until All 256 Are Built
}
private void glPrint(
GL gl,
int x,
int y,
String string,
int set,
float scale) // Where The Printing Happens
{
if (set > 1) {
set = 1;
}
gl.glBindTexture(GL.GL_TEXTURE_2D, texturesID[FONT_TEXTURE_ID]);
// Select Our Font Texture
gl.glDisable(GL.GL_DEPTH_TEST); // Disables Depth Testing
gl.glEnable(GL.GL_BLEND);
gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE);
gl.glPushMatrix();
gl.glLoadIdentity();
gl.glTranslated(x, y, 0);
gl.glScalef(scale, scale, scale);
gl.glListBase(base - 32 + (128 * set)); // Choose The Font Set (0 or 1)
gl.glCallLists(string.length(), GL.GL_BYTE, string.getBytes());
// Write The Text To The Screen
gl.glPopMatrix();
gl.glDisable(GL.GL_BLEND);
gl.glEnable(GL.GL_DEPTH_TEST); // Enables Depth Testing
}
/**
* @param gl
* @param i
* @param string
*/
private void loadTex(GL gl, int textureID, String textureName)
throws IOException {
int[] temp = new int[1]; // create blank
gl.glGenTextures(1, temp); // fill with proper gl texture id
texturesID[textureID] = temp[0];
// store gl texture id in correct slot of global array.
TextureReader.Texture texture = TextureReader.readTexture(textureName);
//Create Linear Filtered Texture
gl.glBindTexture(GL.GL_TEXTURE_2D, texturesID[textureID]);
gl.glTexParameteri(
GL.GL_TEXTURE_2D,
GL.GL_TEXTURE_MAG_FILTER,
GL.GL_LINEAR);
gl.glTexParameteri(
GL.GL_TEXTURE_2D,
GL.GL_TEXTURE_MIN_FILTER,
GL.GL_LINEAR);
gl.glTexImage2D(
GL.GL_TEXTURE_2D,
0,
3,
texture.getWidth(),
texture.getHeight(),
0,
GL.GL_RGB,
GL.GL_UNSIGNED_BYTE,
texture.getPixels());
}
/**
* @param gl
* @param i
* @param string
*/
private void loadRGBATex(GL gl, int textureID, String textureName)
throws IOException {
int[] temp = new int[1]; // create blank
gl.glGenTextures(1, temp); // fill with proper gl texture id
texturesID[textureID] = temp[0];
// store gl texture id in correct slot of global array.
TextureReader.Texture texture = TextureReader.readTexture(textureName,true);
//Create Linear Filtered Texture
gl.glBindTexture(GL.GL_TEXTURE_2D, texturesID[textureID]);
gl.glTexParameteri(
GL.GL_TEXTURE_2D,
GL.GL_TEXTURE_MAG_FILTER,
GL.GL_LINEAR);
gl.glTexParameteri(
GL.GL_TEXTURE_2D,
GL.GL_TEXTURE_MIN_FILTER,
GL.GL_LINEAR);
gl.glTexImage2D(
GL.GL_TEXTURE_2D,
0,
3,
texture.getWidth(),
texture.getHeight(),
0,
GL.GL_RGBA,
GL.GL_UNSIGNED_BYTE,
texture.getPixels());
}
public void init(GLDrawable glDrawable) {
GL gl = glDrawable.getGL();
try {
loadTex(gl, FONT_TEXTURE_ID, "Data/Fonts/font.png");
loadRGBATex(gl, ICON_ID, "Data/Menu/" + name + "Icon.png");
loadRGBATex(gl, CONTINUE_TEXT_ID, "Data/Menu/continueIcon.png");
loadRGBATex(gl, BACKGROUND_ID, "Data/Menu/textBackground.png");
} catch (IOException e) {
throw new RuntimeException(e);
}
buildFont(gl);
}
}
This is simple class which allows me to show textboxes with text, icon, … if necessary.
