📄 kuma.java
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/*
* Kuma.java
*
* Copyright 1999 JJKING Software, Junichi Ito <jun1@mailhost.net>
* Permission to use, copy, modify, and distribute this software and its
* documentation without fee for NON-COMMERCIAL is free.
*/
import com.sun.kjava.Bitmap;
import com.sun.kjava.Graphics;
/**
* This class represents a animation character "Kuma".
*
* @version 1.0 1999/10/2
*/
public class Kuma extends AnimChar
{
/**
* The bitmap patterns.
*/
static final short[][] pattern = {
{ // ID=1000 kuma_f1
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x0000, (short)0x1c1c, (short)0x2222, (short)0x47e2
, (short)0x4c1a, (short)0x5004, (short)0x2002, (short)0x4662
, (short)0x4662, (short)0x4002, (short)0x4182, (short)0x2392
, (short)0x16e4, (short)0x1008, (short)0x0c1c, (short)0x33e2
, (short)0x4001, (short)0x980d, (short)0xe80b, (short)0x0808
, (short)0x1004, (short)0x33e6, (short)0x2412, (short)0x380e
}
,{ // ID=1001 kuma_f2
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x1c1c, (short)0x2222, (short)0x47e2, (short)0x4c1a
, (short)0x5004, (short)0x2002, (short)0x4662, (short)0x4662
, (short)0x4002, (short)0x4182, (short)0x2392, (short)0x56e4
, (short)0xb00b, (short)0x9c1d, (short)0x43e1, (short)0x2002
, (short)0x180c, (short)0x0808, (short)0x0808, (short)0x0804
, (short)0x11c4, (short)0x1224, (short)0x1224, (short)0x0c18
}
,{ // ID=1002 kuma_walk_l1
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x0000, (short)0x0038, (short)0x1844, (short)0x27c4
, (short)0x2c34, (short)0x300c, (short)0x2002, (short)0x4cc2
, (short)0x4cc2, (short)0x4002, (short)0x4302, (short)0x2722
, (short)0x1dc4, (short)0x1008, (short)0x0c1c, (short)0x33e2
, (short)0x4001, (short)0x980d, (short)0xe80b, (short)0x0808
, (short)0x0b08, (short)0x1e38, (short)0x20c4, (short)0x3f3c
}
,{ // ID=1003 kuma_walk_l2
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x0000, (short)0x0038, (short)0x1844, (short)0x27c4
, (short)0x2c34, (short)0x300c, (short)0x2002, (short)0x4cc2
, (short)0x4cc2, (short)0x4002, (short)0x4302, (short)0x2722
, (short)0x1dc4, (short)0x1008, (short)0x0c18, (short)0x13e4
, (short)0x1004, (short)0x18e4, (short)0x0908, (short)0x09fc
, (short)0x1004, (short)0x33e6, (short)0x2412, (short)0x380e
}
,{ // ID=1004 kuma_walk_r1
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x0000, (short)0x1c00, (short)0x2218, (short)0x23e4
, (short)0x2c34, (short)0x300c, (short)0x4004, (short)0x4332
, (short)0x4332, (short)0x4002, (short)0x4062, (short)0x44e4
, (short)0x23b8, (short)0x1008, (short)0x3830, (short)0x47cc
, (short)0x8002, (short)0xb019, (short)0xd017, (short)0x1010
, (short)0x10d0, (short)0x1c78, (short)0x2304, (short)0x3cfc
}
,{ // ID=1005 kuma_walk_r2
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x0000, (short)0x1c00, (short)0x2218, (short)0x23e4
, (short)0x2c34, (short)0x300c, (short)0x4004, (short)0x4332
, (short)0x4332, (short)0x4002, (short)0x4062, (short)0x44e4
, (short)0x23b8, (short)0x1008, (short)0x1830, (short)0x27c8
, (short)0x2008, (short)0x2718, (short)0x1090, (short)0x3f90
, (short)0x2008, (short)0x67cc, (short)0x4824, (short)0x701c
}
,{ // ID=1006 kuma_bye1
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x0000, (short)0x1c1c, (short)0x2222, (short)0x47e2
, (short)0x4c1a, (short)0x5004, (short)0x2002, (short)0x4662
, (short)0x4662, (short)0x4002, (short)0x4182, (short)0x2392
, (short)0x56e4, (short)0xb008, (short)0x9c1c, (short)0x43e2
, (short)0x2001, (short)0x180d, (short)0x080b, (short)0x0808
, (short)0x1004, (short)0x33e6, (short)0x2412, (short)0x380e
}
,{ // ID=1007 kuma_bye2
(short)0x0010, (short)0x0018, (short)0x0002, (short)0x0000
, (short)0x0101, (short)0x0000, (short)0x0000, (short)0x0000
, (short)0x0000, (short)0x1c1c, (short)0x2222, (short)0x47e2
, (short)0x4c1a, (short)0x5004, (short)0x2002, (short)0x4662
, (short)0x4662, (short)0x4002, (short)0x4982, (short)0x3592
, (short)0x26e4, (short)0x4808, (short)0x4c1c, (short)0x23e2
, (short)0x2001, (short)0x180d, (short)0x080b, (short)0x0808
, (short)0x1004, (short)0x33e6, (short)0x2412, (short)0x380e
}
};
/**
* Kuma bitmaps.
*/
static Bitmap[] kumaBitmap = {
new Bitmap(pattern[0])
, new Bitmap(pattern[1])
, new Bitmap(pattern[2])
, new Bitmap(pattern[3])
, new Bitmap(pattern[4])
, new Bitmap(pattern[5])
, new Bitmap(pattern[6])
, new Bitmap(pattern[7])
};
/**
* The bitmap information.
*/
static final int BITMAP_WIDTH = 16;
static final int BITMAP_HEIGHT = 24;
/**
* The active state of Kuma.
*/
static final int STATE_WAIT = 1;
static final int STATE_HAPPY = 2;
static final int STATE_WALK = 3;
static final int STATE_GOAWAY = 4;
static final int STATE_BYE = 5;
/**
* The x and y step for kuma movement.
*/
static final int[] X_STEP = { 2,2,2,-2,-2,-2 };
static final int[] Y_STEP = { 2,0,-2,-2,0,2 };
/**
* The old x coordinate of top-left corner of a character.
*/
int ox;
/**
* The old y coordinate of top-left corner of a character.
*/
int oy;
/**
* The x coordinate of top-left corner of a character.
*/
int x;
/**
* The y coordinate of top-left corner of a character.
*/
int y;
/**
* The x step to move kuma.
*/
int vx;
/**
* The y step to move kuma.
*/
int vy;
/**
* The duration of the current state continues.
*/
int duration;
/**
* The flag which indicate Kuma is on the edge of field.
*/
boolean edge;
/**
* The flag which indicate Kuma bitmap appears on the screen.
*/
boolean appear;
/**
* This method is invoked when manager starts to manage this character.
* @param mgr the animation manager.
*/
public void start(AnimManager mgr)
{
super.start(mgr);
Rectangle bounds = mgr.getFieldBounds();
x = bounds.x + AnimManager.random((bounds.width - BITMAP_WIDTH) / 2) * 2;
y = bounds.y + bounds.height - BITMAP_HEIGHT;
setState(STATE_WALK);
vy = -2;
appear = true;
}
/**
* Sets the state.
* @param the state of character.
*/
public void setState(int state)
{
this.state = state;
switch(state)
{
case STATE_WAIT:
vx = 0;
vy = 0;
duration = 8;
break;
case STATE_WALK:
randOrient();
duration = AnimManager.random(10) * 4 + 16;
break;
case STATE_GOAWAY:
if (vx == 0 && vy == 0) {
randOrient();
}
else {
vx = -vx;
vy = -vy;
}
duration = 1000;
break;
case STATE_HAPPY:
case STATE_BYE:
vx = 0;
vy = 0;
duration = 16;
break;
}
}
/**
* Sets kuma moving step in random.
*/
public void randOrient()
{
int r = AnimManager.random(6);
vx = X_STEP[r];
vy = Y_STEP[r];
}
/**
* Kuma go away.
*/
public void bye()
{
if (state != STATE_GOAWAY && state != STATE_HIDE && state != STATE_BYE) {
setState(STATE_GOAWAY);
}
}
/**
* Move the character.
*/
public void move()
{
// calc new position
ox = x;
oy = y;
x += vx;
y += vy;
// detect field edge
Rectangle bounds = mgr.getFieldBounds();
boolean edge = false;
if (x < bounds.x || x > bounds.x + bounds.width - BITMAP_WIDTH) {
vx = -vx;
x = ox;
edge = true;
}
if (y < bounds.y || y > bounds.y + bounds.height - BITMAP_HEIGHT) {
vy = -vy;
y = oy;
edge = true;
}
// if edge then bye.
if (edge && state == STATE_GOAWAY) {
setState(STATE_BYE);
return;
}
// decrease counter
duration --;
if (duration > 0) { return; }
// random number to determine kuma's behavior.
int r = AnimManager.random(5);
// change state
switch(state)
{
case STATE_WALK:
if (r == 0) { setState(STATE_HAPPY); }
else { setState(STATE_WAIT); }
break;
case STATE_HAPPY:
case STATE_WAIT:
setState(STATE_WALK);
break;
case STATE_BYE:
setState(STATE_HIDE);
break;
}
}
/**
* Draw the character on the given graphics.
* @param g the graphics.
*/
public void paint(Graphics g)
{
// clear bitmap
if (state == STATE_HIDE && appear) {
appear = false;
g.drawRectangle(ox, oy, BITMAP_WIDTH, BITMAP_HEIGHT
, Graphics.ERASE, 0);
}
else if (x != ox || y != oy) {
g.drawRectangle(ox, oy, BITMAP_WIDTH, BITMAP_HEIGHT
, Graphics.ERASE, 0);
}
// draw bitmap
int bmid;
switch(state)
{
case STATE_WALK:
case STATE_GOAWAY:
if (vx <= 0) {
bmid = 2 + (duration & 0x01);
}
else {
bmid = 4 + (duration & 0x01);
}
break;
case STATE_WAIT:
bmid = 0;
break;
case STATE_HAPPY:
bmid = (duration & 0x02) >> 1;
break;
case STATE_BYE:
bmid = 6 + ((duration & 0x02) >> 1);
break;
default:
return;
}
g.drawBitmap(x, y, kumaBitmap[bmid]);
}
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