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sudo-Ericsudo-Eric
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Added initial graphics code from testing
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‎lib/ANSI_Escape_Code_Creator.jar.md‎

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Please download the latest version of the [ANSI Escape Code Creator](https://github.com/sudo-Eric/ANSI-Escape-Code-Creator/releases/latest) and place it in this folder.

‎src/GraphicsTestApp.java‎

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import ANSI_Escape_Code_Creator.ANSI_Escape_Code_Creator;
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import static ANSI_Escape_Code_Creator.ANSI_Escape_Code_Creator_Static.*;
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/**
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* Testing app for graphical features
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* @author erich (sudo-Eric)
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*/
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public class GraphicsTestApp {
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static int SCREEN_WIDTH = 80;
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static int SCREEN_HEIGHT = 25;
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static String MAIN_DISPLAY = new ANSI_Escape_Code_Creator(){{
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cursor_invisible();
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erase_display().cursor_position(1,1).SGR_clear().SGR_bold().append("╔══════╤══════╤══════╤");
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for (int i = 0; i < SCREEN_WIDTH-23; i++)
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append('═');
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append("╗\n").append('║').SGR_set_foreground_color("Red").append("HP:")
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.SGR_default_foreground_color().cursor_forward(3)
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.append('│').SGR_set_foreground_color("Blue").append("MP:")
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.SGR_default_foreground_color().cursor_forward(3)
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.append('│').SGR_set_foreground_color("Green").append("ST:")
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.SGR_default_foreground_color().cursor_forward(3)
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.append('│').cursor_forward(SCREEN_WIDTH-23).append("║\n")
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.append("╟──────┴──────┴──────┤").cursor_forward(SCREEN_WIDTH-23).append("║\n");
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for (int i = 0; i < SCREEN_HEIGHT - 8; i++)
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append('║').cursor_forward(20).append('│').cursor_forward(SCREEN_WIDTH-23).append("║\n");
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append('║').cursor_forward(20).append("├");
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for (int i = 0; i < SCREEN_WIDTH-23; i++)
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append('─');
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append("╢\n");
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for (int i = 0; i < 3; i++)
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append('║').cursor_forward(20).append('│').cursor_forward(SCREEN_WIDTH-23).append("║\n");
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append("╚════════════════════╧");
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for (int i = 0; i < SCREEN_WIDTH-23; i++)
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append('═');
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append("╝\n").SGR_clear();
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}}.toString();
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static String INVENTORY_DISPLAY = new ANSI_Escape_Code_Creator(){{
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int col = 5;
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int row = 3;
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cursor_invisible().cursor_position(++row,col).SGR_clear().SGR_bold()
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.append("╔════════════════════════════════════════════════════════╤═════════════╗").cursor_position(++row,col)
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.append("║ Inventory │").SGR_set_foreground_color("Yellow")
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.append("Gold:").SGR_default_foreground_color().append(" ║").cursor_position(++row,col)
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.append("╟──────────────────┬──────────────────┬──────────────────┤").SGR_set_foreground_color("Yellow").append('$')
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.SGR_default_foreground_color().append(" ║").cursor_position(++row,col)
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.append("║ │ │ ├─────────────╢").cursor_position(++row,col)
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.append("║ │ │ │Description: ║").cursor_position(++row,col)
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.append("║ │ │ │The health ║").cursor_position(++row,col)
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.append("║ │ │ │potion will ║").cursor_position(++row,col)
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.append("║ │ │ │heal the ║").cursor_position(++row,col)
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.append("║ │ │ │player 10HP. ║").cursor_position(++row,col)
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.append("║ │ │ │ ║").cursor_position(++row,col)
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.append("║ │ │ │ ║").cursor_position(++row,col)
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.append("║ │ │ │ ║").cursor_position(++row,col)
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.append("║ │ │ │ ║").cursor_position(++row,col)
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.append("║ │ │ │ ║").cursor_position(++row,col)
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.append("║ │ │ │ ║").cursor_position(++row,col)
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.append("║ │ │ │ ║").cursor_position(++row,col)
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.append("║ │ │ ├─────────────╢").cursor_position(++row,col)
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.append("║ │ │ │Page: ║").cursor_position(++row,col)
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.append("╚══════════════════╧══════════════════╧══════════════════╧═════════════╝");
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}}.toString();
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public static void main(String[] args) throws InterruptedException {
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try {
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erase_display();
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erase_display(3);
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System.out.print(MAIN_DISPLAY);
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cursor_visible();
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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renderHealth(0);
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renderMana(0);
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renderStamina(0);
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renderDescriptionText("This is an example of some text being displayed on the screen. " +
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"This text is a single string in the program, but has been split into " +
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"multiple lines to be able to fit onto the screen.\n\n" +
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"The text renderer will also interoperate newline characters as a command " +
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"to continue rendering on the next line.");
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renderMenuList(new String[]{
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"Attack goblin", "Flee goblin", "Inventory", "Map", "Spell book", "Menu",
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"Test of a menu item that wraps around to the next line",
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"Test of the line after"});
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// for (int i = 0; i < 101; i++) {
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// renderHealth(i);
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// renderMana(i);
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// renderStamina(i);
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// Thread.sleep(50);
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// }
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renderDescriptionText("The text renderer will also clear the text rendering area when new text is " +
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"rendered so that multiple messages do not overlap.\n\nThis should make it trivial to display " +
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"new messages and description text to this area.");
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renderMenuList(new String[]{
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"Attack chest", "Inspect chest", "Open chest", "Inventory", "Map", "Spell book", "Menu",
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"Test of a menu item that wraps around to the next line",
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"Test of the line after"});
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DummyItemClass[] inventory = {
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new DummyItemClass("Health Potion", "The health potion will restore the player 10HP.", 1, 10),
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new DummyItemClass("Mana Potion", "The mana potion will restore the player 10MP.", 1, 10),
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new DummyItemClass("Stamina Potion", "The stamina potion will restore the player 10ST.", 1, 10),
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new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(),
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new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(),
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new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(),
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new DummyItemClass("Second Page Itm", "Item that begins the second page.", 1, 1),
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new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(),
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new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(),
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new DummyItemClass(), new DummyItemClass(), new DummyItemClass(), new DummyItemClass(),
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new DummyItemClass("Third Page Itm", "Item that begins the third page/", 1, 1),
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new DummyItemClass(), new DummyItemClass(), new DummyItemClass()};
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renderInventory(inventory, 0);
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// for (int i = 0; i < inventory.length; i++) {
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// renderInventory(inventory, i);
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// Thread.sleep(200);
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// }
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cursor_position(SCREEN_HEIGHT + 1, 1);
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} catch (Exception e) {
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cursor_position(SCREEN_HEIGHT + 2, 1);
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throw e;
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}
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}
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private static void renderDescriptionText(String text) {
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renderTextBlock(2, 23, SCREEN_HEIGHT - 5, SCREEN_WIDTH-1, text);
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}
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private static void renderMenuList(String[] items) {
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final int width = 17;
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int height = SCREEN_HEIGHT - 4;
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int line = 4;
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ANSI_Escape_Code_Creator gen = new ANSI_Escape_Code_Creator();
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for (int i = 0; i < items.length; i++) {
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String item = items[i];
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int lastChar = 0;
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int lastSpace = 0;
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final int numberLine = line;
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for (int j = 0; j < item.length(); j++) {
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renderText(gen, line, 2, 3, "");
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if (j - lastChar >= width || item.charAt(j) == '\n') {
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if (item.charAt(j) == '\n')
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lastSpace = j;
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renderText(gen, line, 5, width, item.substring(lastChar, lastSpace));
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lastChar = lastSpace + 1;
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line++;
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} else if (item.charAt(j) == ' ') {
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lastSpace = j;
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}
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}
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if (item.length() != lastChar) {
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renderText(gen, line, 2, 3, "");
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renderText(gen, line, 5, width, item.substring(lastChar));
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line++;
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}
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renderText(gen, numberLine, 2, 3, String.format("%2d.", i+1));
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}
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for (int i = line; i < height + 4; i++) {
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renderText(gen, i, 2, width + 3, "");
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}
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System.out.print(gen);
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}
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private static void renderTextBlock(int startRow, int startCol, int endRow, int endCol, String text) {
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int width = endCol - startCol + 1;
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int lastChar = 0;
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int lastSpace = 0;
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int line = startRow;
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ANSI_Escape_Code_Creator gen = new ANSI_Escape_Code_Creator();
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for (int i = 0; i < text.length(); i++) {
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if (i - lastChar >= width || text.charAt(i) == '\n') {
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if (text.charAt(i) == '\n')
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lastSpace = i;
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renderText(gen, line, startCol, width, text.substring(lastChar, lastSpace));
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lastChar = lastSpace + 1;
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line++;
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} else if (text.charAt(i) == ' ') {
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lastSpace = i;
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}
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}
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if (text.length() != lastChar) {
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renderText(gen, line, startCol, width, text.substring(lastChar));
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line++;
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}
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for (int i = line; i < endRow + 1; i++) {
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renderText(gen, i, startCol, width, "");
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}
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System.out.print(gen);
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}
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private static void renderInventory(DummyItemClass[] items, int selected) {
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System.out.print(INVENTORY_DISPLAY);
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final long gold = 1234567890L; // Where does gold come from?
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renderGold(gold);
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ANSI_Escape_Code_Creator gen = new ANSI_Escape_Code_Creator();
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int pages = ((items.length - 1) / 21) + 1;
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int page = (selected / 21) + 1;
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int offset = (selected / 21) * 21;
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int length = items.length - offset;
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int i = offset;
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renderText(gen, 21, 68, 8, String.format("%8s", String.format("%d/%d", page, pages)));
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if (items.length == 0) {
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renderText(gen, 21, 68, 8, String.format("%8s", String.format("%d/%d", 0, 0)));
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System.out.print(gen);
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return;
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}
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for (int col = 0; col < ((length - 1) / 7) + 1 && col < 3; col++) {
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for (int row = 0; row < ((length - 1) % 7) + 1 || ((length - (col * 7)) / 7 != 0 && row < 7); row++) {
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DummyItemClass item = items[((col * 7) + row) + offset];
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boolean selectedItem = ((col * 7) + row == selected - offset);
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renderText(gen, 7 + (2 * row), 6 + (19 * col), 18, String.format("%2d.%s", ++i, item.name), selectedItem);
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renderText(gen, 8 + (2 * row), 14 + (19 * col), 10, String.format("x%4d/%4d", item.count, item.maxCount));
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if (selectedItem) {
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renderTextBlock(8, 63, 19, 75, item.description);
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}
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}
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}
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System.out.print(gen);
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}
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private static void renderText(ANSI_Escape_Code_Creator gen, int row, int col, int width, String line) {
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renderText(gen, row, col, width, line, "White");
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}
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private static void renderText(ANSI_Escape_Code_Creator gen, int row, int col, int width, String line, String color) {
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renderText(gen, row, col, width, line, color, false);
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}
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private static void renderText(ANSI_Escape_Code_Creator gen, int row, int col, int width, String line, boolean inverted) {
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renderText(gen, row, col, width, line, "White", inverted);
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}
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private static void renderText(ANSI_Escape_Code_Creator gen, int row, int col, int width, String line, String color, boolean inverted) {
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gen.cursor_invisible().cursor_position(row, col).SGR_set_foreground_color(color);
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if (inverted)
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gen.SGR_invert();
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gen.append(line);
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if (inverted)
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gen.SGR_not_reversed();
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for (int j = line.length(); j < width; j++)
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gen.append(' ');
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}
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private static void renderNumber(int row, int col, int width, long number, String color, boolean alignRight) {
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ANSI_Escape_Code_Creator gen = new ANSI_Escape_Code_Creator()
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.cursor_invisible().cursor_position(row,col);
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String str = Long.toString(number);
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SGR_set_foreground_color(color, _4BIT_COLOR);
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if (alignRight)
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for (int i = 0; i < width - str.length(); i++)
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gen.append(' ');
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gen.append(str);
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if (!alignRight)
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for (int i = 0; i < width - str.length(); i++)
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gen.append(' ');
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gen.SGR_clear();
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System.out.print(gen);
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}
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private static void renderHealth(int health) {
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renderNumber(2, 5, 3, health, "Red", true);
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}
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private static void renderMana(int mana) {
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renderNumber(2, 12, 3, mana, "Blue", true);
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}
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private static void renderStamina(int stamina) {
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renderNumber(2, 19, 3, stamina, "Green", true);
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}
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private static void renderGold(long gold) {
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renderNumber(6, 64, 12, gold, "Yellow", true);
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}
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}
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/**
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* This is a placeholder class for the items class.
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* This is onl for testing and should not be used in the main game.
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*/
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class DummyItemClass {
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String name;
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String description;
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int count;
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int maxCount;
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DummyItemClass() {
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this.name = "Generic Item";
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this.description = "This is a generic item.";
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this.count = 1;
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this.maxCount = 1;
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}
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DummyItemClass(String name, String description, int count, int maxCount) {
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this.name = name;
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this.description = description;
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this.count = count;
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this.maxCount = maxCount;
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}
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@Override
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public String toString() {
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return this.name + "\t" + this.count + " / " + this.maxCount;
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}
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}

‎src/META-INF/MANIFEST.MF‎

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Manifest-Version: 1.0
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Main-Class: MainApp
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‎src/MainApp.java‎

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import ANSI_Escape_Code_Creator.ANSI_Escape_Code_Creator;
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import static ANSI_Escape_Code_Creator.ANSI_Escape_Code_Creator_Static.*;
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public class MainApp {
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public static void main(String[] args) throws InterruptedException {
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GraphicsTestApp.main(args);
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}
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}

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