game.graphics.GUI_PrefabMap.java Source code

Introduction

Here is the source code for game.graphics.GUI_PrefabMap.java

Source

/*******************************************************************************
 * Copyright (c) 2013 Glynn Taylor.
 * All rights reserved. This program and the accompanying materials, 
 * (excluding imported libraries, such as LWJGL and Slick2D)
 * are made available under the terms of the GNU Public License
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Glynn Taylor - initial API and implementation
 ******************************************************************************/
/*
 * A GUI element that displays an integer map and can 
 change parts of it via mouse clicks
 */
package game.graphics;

import game.level.map.Prefab;
import game.level.map.TileDefinition;

import java.util.ArrayList;

import org.lwjgl.opengl.GL11;
import org.newdawn.slick.Color;
import org.newdawn.slick.opengl.Texture;

public class GUI_PrefabMap {
    private final ArrayList<GUI_Button> Buttons = new ArrayList<GUI_Button>();
    private boolean[] ButtonClicked;
    private static long LastClickTime;
    private final long RegisterClickDelay = 300;
    private final int X, Y, Width, Height;
    private int TileWidth;
    private int TileHeight;

    private Prefab prefab;
    private boolean Enabled = true;

    public void setPrefab(Prefab p) {
        prefab = p;
        TileWidth = Width / p.GetWidth();
        TileHeight = Height / p.GetHeight();
    }

    public GUI_PrefabMap(int startX, int startY, int width, int height, Prefab p) {
        prefab = p;
        X = startX;
        Y = startY;
        Width = width;
        Height = height;
        TileWidth = width / p.GetWidth();
        TileHeight = height / p.GetHeight();
    }

    public void Render() {
        if (Enabled && prefab != null) {
            GL11.glDisable(GL11.GL_TEXTURE_2D);
            for (int y = 0; y < prefab.GetHeight(); y++) {
                for (int x = 0; x < prefab.GetWidth(); x++) {
                    Color.white.bind();
                    RenderTile(X + x * TileWidth, Y + y * TileHeight, prefab.getColorRef(x, y));
                }
            }
            GL11.glEnable(GL11.GL_TEXTURE_2D);

        }

    }

    private void RenderTile(int x, int y, int i) {
        GL11.glBegin(GL11.GL_QUADS);
        TileDefinition.setColor(i);
        GL11.glVertex3f(x, y, 0);

        GL11.glVertex3f(x, y + TileHeight, 0);

        GL11.glVertex3f(x + TileWidth, y + TileHeight, 0);

        GL11.glVertex3f(x + TileWidth, y, 0);

        GL11.glEnd();

    }

    public void ProcessInput(int mouseX, int mouseY, boolean mouseDown, int TileSelected) {
        if (Enabled) {
            if (mouseDown && mouseX > X && mouseY > Y && mouseX < X + prefab.GetWidth() * TileWidth
                    && mouseY < Y + prefab.GetHeight() * TileHeight) {
                prefab.setTile((mouseX - X) / TileWidth, (mouseY - Y) / TileHeight, TileSelected);
            }

        }
    }

    public void AddButton(int startX, int startY, int width, int height, Texture t) {
        Buttons.add(new GUI_Button(startX, startY, width, height, t));
        ButtonClicked = new boolean[Buttons.size()];
    }

    public void SetEnabled(boolean i) {
        Enabled = i;
    }

    public void toggleEnabled() {
        Enabled = !Enabled;
    }

    public boolean isButtonDown(int i) {
        if (Enabled) {
            if (ButtonClicked[i] == true) {
                ButtonClicked[i] = false;
                return true;
            }
        }
        return false;
    }
}