com.tnf.ptm.screens.game.WarnDrawer.java Source code

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Here is the source code for com.tnf.ptm.screens.game.WarnDrawer.java

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/*
 * Copyright 2017 TheNightForum
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.tnf.ptm.screens.game;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.math.Rectangle;
import com.tnf.ptm.common.Const;
import com.tnf.ptm.common.PtmMath;
import com.tnf.ptm.common.PtmGame;
import com.tnf.ptm.common.PtmColor;
import com.tnf.ptm.screens.controlers.FontSize;
import com.tnf.ptm.screens.controlers.UiDrawer;

public abstract class WarnDrawer {
    private static final float FADE_TIME = 1f;
    private final Rectangle myWarn;
    private final Color myBgCol;
    private final Color myTextCol;
    private final float myBgOrigA;
    private final String myText;

    float drawPerc;

    WarnDrawer(float resolutionRatio, String text) {
        myWarn = rect(resolutionRatio);
        myText = text;
        myBgCol = new Color(PtmColor.UI_WARN);
        myBgOrigA = myBgCol.a;
        myTextCol = new Color(PtmColor.WHITE);
    }

    private static Rectangle rect(float resolutionRatio) {
        return new Rectangle(.4f * resolutionRatio, 0, .2f * resolutionRatio, .1f);
    }

    public void update(PtmGame game) {
        if (shouldWarn(game)) {
            drawPerc = 1;
        } else {
            drawPerc = PtmMath.approach(drawPerc, 0, Const.REAL_TIME_STEP / FADE_TIME);
        }
        myBgCol.a = myBgOrigA * drawPerc;
        myTextCol.a = drawPerc;
    }

    protected abstract boolean shouldWarn(PtmGame game);

    public void draw(UiDrawer uiDrawer) {
        uiDrawer.draw(myWarn, myBgCol);
    }

    public void drawText(UiDrawer uiDrawer) {
        uiDrawer.drawString(myText, myWarn.x + myWarn.width / 2, myWarn.y + myWarn.height / 2, FontSize.MENU, true,
                myTextCol);
    }
}