/*  Bomber for Nokia Series 60 Phones    Copyright (C) 2003, 2004  While True, d.o.o.    This program is free software; you can redistribute it and/or modify    it under the terms of the GNU General Public License as published by    the Free Software Foundation; either version 2 of the License, or    (at your option) any later version.    This program is distributed in the hope that it will be useful,    but WITHOUT ANY WARRANTY; without even the implied warranty of    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    GNU General Public License for more details.    You should have received a copy of the GNU General Public License    along with this program; if not, write to the Free Software    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA	    For any info contact gorazd@whiletrue.com.*//*==========================================================================; * *  While True, d.o.o. *	 *  File:       Helper.java *  Content:    Helper class *  Created:    December 2002 *  Created by: gorazd breskvar * ****************************************************************************/package bomber;import javax.microedition.lcdui.*;// =========================================================================;//	Name:	Helper class (static functions only)//	Desc:	Contains helper methods, that are used in the code// ==========================================================================;public class Helper  {    private Helper(){}       // we cannot create instance of this object    private static int m_press_any_key_counter = 0;    final static public int PRESS_ANY_KEY_BLINK_RATE = 1000;    static private int g_text_blink = 1000;    static public BitmapFont font;    static public ResourceManager resource_manager;        // =========================================================================;//	Name:	void drawPressAnyKey(Graphics g, int y, int width, byte color)//	Desc:	draws (blinking) "press any key" string//              handlePressAnyKey must be called periodically for this//              method to work.    // ==========================================================================;        public static void drawPressAnyKey(Graphics g, int y, int width, byte color)    {            if (g_text_blink < PRESS_ANY_KEY_BLINK_RATE / 2)            {                font.setSubFont(color);                int px = -font.getStringWidth(Str.press_any_key)/2 + width/2;                font.drawString(g, px, y, Str.press_any_key);            }    }        public static void handlePressAnyKey(int delta)    {        g_text_blink = (int)(g_text_blink + delta) % PRESS_ANY_KEY_BLINK_RATE;    }    // =========================================================================;//	Name:	void resetClip(Graphics g)//	Desc:	Resets clipping to full screen. There are some bugs with//              clipping, for example on 7650    // ==========================================================================;        public static void resetFullScreenClip(Graphics g)    {                g.setClip(0, 0, ResourceManager.CANVAS_WIDTH, ResourceManager.CANVAS_HEIGHT);    }    // =========================================================================;//	Name:	void drawStringCenter(Graphics g, String s, int y, //              int width, byte color)//	Desc:	Draws string in specific color. String is displayed in the//              horizontal center of the screen    // ==========================================================================;          public static void drawStringCenter(Graphics g, String s, int y, int width, byte color)    {                font.setSubFont(color);                int px = -font.getStringWidth(s) / 2 + width/2;                font.drawString(g, px, y, s);    }    // =========================================================================;//	Name:	void drawStringLeft(Graphics g, String s, int x, //              int y, byte color)//	Desc:	Draws string in specific color. String is displayed left//              aligned    // ==========================================================================;          public static void drawStringLeft(Graphics g, String s, int x, int y, byte color)    {                font.setSubFont(color);                int px = x - font.getStringWidth(s);                font.drawString(g, px, y, s);    }        // =========================================================================;//	Name:	void drawMenu(Graphics g, String[] s, int y, //              int width, int selected)//	Desc:	Draws menu// ==========================================================================;          public static void drawMenu(Graphics g, String[] s, int x, int y, int selected)    {        for (int i = 0; i < s.length; i++)        {            //int color = 0xC0AD92;            int color = 0x808080;            if (i != selected)            {                drawString(g, s[i], x, y, ResourceManager.FONT_YELLOW);                            }            else            {                drawString(g, s[i], x, y, ResourceManager.FONT_GREEN);                color = ResourceManager.c_warm_colors[(i + 1) % ResourceManager.c_warm_colors.length];            }            drawBox(g, x - 14, y, color);                        y += font.getCharHeight() + 4;        }            }        // =========================================================================;//	Name:	void drawStringListCenter(Graphics g, String[] s, //              int y, int width, byte color)//	Desc:	Draws multiple lines of horizontally centered strings.// ==========================================================================;          public static void drawStringListCenter(Graphics g, String[] s, int y, int width, byte color)    {        font.setSubFont(color);        for (int i = 0; i < s.length; i++)        {            int px = -font.getStringWidth(s[i]) / 2 + width/2;            font.drawString(g, px, y, s[i]);            y += font.getCharHeight() + 2;        }    }    // =========================================================================;//	Name:	void drawText(Graphics g, String s, //              int x, int y, int width, int height)//	Desc:	draws text into given rectangle// ==========================================================================;          public static void drawText(Graphics g, Font f, String s, int x, int y, int width, int height, int scroll_y)    {        g.setFont(f);        g.setClip(x, y, width, height);        y -= scroll_y;        int orig_x = x;        int orig_y = y;        int pos = 0;        int next_pos;        int word_end = 0;        boolean flag = true;        boolean eol = false;        while (pos < s.length())        {            if (y > orig_y + height)             {                resetFullScreenClip(g);                return;            }            int tmp = s.indexOf(" ", pos);            if (tmp == -1)             {                word_end = s.length() - 1;                flag = true;            }            else word_end = tmp;            next_pos = word_end + 1;                        tmp = s.indexOf("\n", pos);            if (tmp != -1 && tmp < word_end)            {                eol = true;                word_end = tmp - 1;                next_pos = tmp + 1;            }                        tmp = f.substringWidth(s, pos, word_end - pos + 1);            if (x + tmp > orig_x + width)            {                x = orig_x;                y += f.getHeight() + 2;                eol = false;            }                        g.drawSubstring(s, pos, word_end - pos + 1, x, y, Graphics.TOP | Graphics.LEFT);            x += tmp;            if (eol)            {                x = orig_x;                y += f.getHeight() + 2;                eol = false;            }            pos = next_pos;        }        resetFullScreenClip(g);    }        // =========================================================================;//	Name:	void drawString(Graphics g, String s, //              int x, int y, byte color)//	Desc:	Draws string on specific position// ==========================================================================;              public static void drawString(Graphics g, String s, int x, int y, byte color)    {                font.setSubFont(color);                font.drawString(g, x, y, s);    } // =========================================================================;//	Name:	void drawString(Graphics g, String s, //              int x, int y, byte color)//	Desc:	Draws string on specific position// ==========================================================================;               public static void drawScoreBoard(Graphics g, int y, int score, int lives, int bombs)     {         resource_manager.getScoreBoard().drawImage(g, 0, 0, y);         y += 3;         drawScore(g, score, 3, y);                  for (int i = 0; i < 5; i++)         {             resource_manager.getScoreBoardSymbols().drawImage(g, i >= bombs ? 11 : 10, 60 + i * 10, y);         }         for (int i = 0; i < 5; i++)         {             resource_manager.getScoreBoardSymbols().drawImage(g, i >= lives ? 13 : 12, 126 + i * 10, y);         }     }    // =========================================================================;//	Name:	void drawScore(Graphics g, int score, //              int x, int y)//	Desc:	Displays score (max 5 digits) with specific score fonts.// ==========================================================================;           public static void drawScore(Graphics g, int score, int x, int y)    {         for (int i = 0; i < 5; i++)         {             int num = score % 10;             score /= 10;             resource_manager.getScoreBoardSymbols().drawImage(g, num, x + (4 - i) * 7, y);         }     }        public static void drawIconAboveObject(Graphics g, GameObject go, Drawable icon, int index, int x, int y)    {            icon.drawImage(g, index, Common.toInt(go.getPos().x - x), Common.toInt(go.getPos().y - y - go.getRadius()));    }            public static void drawIndicator(Graphics g, int x, int y, GameObject go, int s_x, int s_y, int s_x1, int s_y1)    {            int r = Common.ceilInt(go.getRadius());            int c_x = Common.toInt(go.getPos().x - x);            int c_y = Common.toInt(go.getPos().y - y);                        int d_x, d_y;                        byte x_index = 0;            byte y_index = 0;                                    if (c_x < s_x - r)             {                d_x = s_x;                x_index = (byte)-1;            }            else if (c_x > s_x1 + r)             {                d_x = s_x1;                x_index = (byte)1;            }            else d_x = c_x;                        if (c_y < s_y - r)             {                d_y = s_y;                y_index = (byte)-1;            }            else if (c_y > s_y1 + r)             {                d_y = s_y1;                y_index = (byte)1;            }            else d_y = c_y;                        int index;  // icon direction index            if (x_index == 0 && y_index == 0) return;   // object on screen            else if (x_index == 0 && y_index == 1) index = 2;            else if (x_index == 1 && y_index == 0) index = 0;            else if (x_index == 1 && y_index == 1) index = 1;            else if (x_index == 0 && y_index == -1) index = 6;            else if (x_index == -1 && y_index == 0) index = 4;            else if (x_index == -1 && y_index == -1) index = 5;            else if (x_index == 1 && y_index == -1) index = 7;            //else if (x_index == -1 && y_index == 1) index = 3;            else index = 3;                                                resource_manager.getIndicator().drawImage(g, index, d_x, d_y);    }             public static void drawNumber(Graphics g, int number, int x, int y, int fixed_places)    {        String s = Integer.toString(number);        fixed_places = Math.max(fixed_places - s.length(), 0);        Drawable symbols = resource_manager.getScoreBoardSymbols();        for (int i = 0; i < fixed_places; i++)         {             symbols.drawImage(g, 0, x, y);             x += symbols.getWidth(0);         }                  for (int i = 0; i < s.length(); i++)         {             int num = s.charAt(i) - '0';             symbols.drawImage(g, num, x, y);             x += symbols.getWidth(num);                      }     }                public static void drawBox(Graphics g, int x, int y, int color)    {        g.setColor(0);        g.drawRect(x,y, 10, 10);        g.setColor(color);        g.fillRect(x + 1, y + 1, 9, 9);    }            }