hud.ManagerOverlay.java Source code

Introduction

Here is the source code for hud.ManagerOverlay.java

Source

/*
 *    Herzog3D - 3D Real Time Strategy game.
 *   Copyright (C) 2005  Shannon Smith
 *
 *   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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package hud;

import herzog3d.Game;
import herzog3d.HZState.HZKey;

import org.lwjgl.opengl.GL11;

public class ManagerOverlay extends HZWidget {

    private HZWidget[] selectableWidgets;
    private UnitDisplay unitDisplay;
    private HZWidget ordersDisplay;
    private HZWidget mapDisplay;
    private int curWidget;
    private Game game;

    public ManagerOverlay(Game game) {
        super(null);
        this.game = game;
        unitDisplay = new UnitDisplay(game.getPlayer(), game.getResources().getUnitFactory(), this);
        unitDisplay.setGeometry(64, 16, 96, 96);
        ordersDisplay = new OrdersDisplay(game.getResources().getUnitAIFactory(), this);
        ordersDisplay.setGeometry(64, 128, 96, 96);
        mapDisplay = new MapDisplay(this, game);
        mapDisplay.setGeometry(64, 256, 128, 128);
        curWidget = 0;
        selectableWidgets = new HZWidget[3];
        selectableWidgets[0] = unitDisplay;
        selectableWidgets[1] = ordersDisplay;
        selectableWidgets[2] = mapDisplay;
    }

    public void onKeyPress(HZKey key) {
        if (key == HZKey.UP) {
            if (curWidget == 0) {
                curWidget = selectableWidgets.length - 1;
            } else {
                curWidget--;
            }
        } else if (key == HZKey.DOWN) {
            curWidget = (curWidget + 1) % selectableWidgets.length;
        } else if (key == HZKey.LEFT) {
            selectableWidgets[curWidget].onKeyPress(key);
        } else if (key == HZKey.RIGHT) {
            selectableWidgets[curWidget].onKeyPress(key);
        } else if (key == HZKey.BUTTON_1) {
            game.orderUnit(game.getPlayer(), unitDisplay.getDisplayedUnitName());
            visible = false;
        } else if (key == HZKey.BUTTON_3) {
            visible = false;
        }
    }

    public void update(float timeStep) {
        unitDisplay.update(timeStep);
    }

    public void draw() {
        GL11.glPolygonMode(GL11.GL_FRONT, GL11.GL_LINE);
        GL11.glColor4f(0.0f, 0.0f, 0.4f, 1.0f);
        GL11.glLineWidth(2.0f);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x, y + height);
        GL11.glVertex2i(x + width, y + height);
        GL11.glVertex2i(x + width, y);
        GL11.glEnd();

        GL11.glPolygonMode(GL11.GL_FRONT, GL11.GL_FILL);
        GL11.glColor4f(0.0f, 0.5f, 1.0f, 0.5f);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x, y + height);
        GL11.glVertex2i(x + width, y + height);
        GL11.glVertex2i(x + width, y);
        GL11.glEnd();
        GL11.glDisable(GL11.GL_BLEND);

        drawSelectionArrow(selectableWidgets[curWidget]);

        GL11.glPushMatrix();
        GL11.glTranslatef(x, y, 0);
        unitDisplay.draw();
        ordersDisplay.draw();
        mapDisplay.draw();
        GL11.glPopMatrix();

    }

    private void drawSelectionArrow(HZWidget selected) {

        int x = selected.getX() - 16;
        int y = selected.getY() + selected.height / 2;

        GL11.glPolygonMode(GL11.GL_FRONT, GL11.GL_LINE);
        GL11.glColor4f(0.0f, 0.0f, 0.4f, 1.0f);
        GL11.glLineWidth(2.0f);
        GL11.glBegin(GL11.GL_TRIANGLES);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x - 16, y - 32);
        GL11.glVertex2i(x - 16, y + 32);
        GL11.glEnd();

        GL11.glPolygonMode(GL11.GL_FRONT, GL11.GL_FILL);
        GL11.glColor4f(0.0f, 0.5f, 1.0f, 0.5f);
        GL11.glBegin(GL11.GL_TRIANGLES);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x - 16, y - 32);
        GL11.glVertex2i(x - 16, y + 32);
        GL11.glEnd();
    }

}