Terrarum/src/net/torvald/terrarum/ui/MessageWindow.kt

package net.torvald.terrarum.ui

import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import net.torvald.terrarum.Terrarum
import net.torvald.terrarum.blendNormal
import net.torvald.terrarum.gameactors.Second
import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack


/**
 * Created by minjaesong on 16-01-27.
 */
class MessageWindow(override var width: Int, isBlackVariant: Boolean) : UICanvas() {

    private val segment = if (isBlackVariant) SEGMENT_BLACK else SEGMENT_WHITE

    var messagesList = arrayOf("", "")
    override var height: Int = 0

    private var fontCol: Color = if (!isBlackVariant) Color.BLACK else Color.WHITE
    private val GLYPH_HEIGHT = Terrarum.fontGame.lineHeight

    override var openCloseTime: Second = OPEN_CLOSE_TIME

    private val LRmargin = 0f // there's "base value" of 8 px for LR (width of segment tile)


    fun setMessage(messagesList: Array<String>) {
        this.messagesList = messagesList
    }

    override fun update(delta: Float) {
    }

    override fun render(batch: SpriteBatch) {
        blendNormal()

        val textWidth = messagesList.map { Terrarum.fontGame.getWidth(it) }.sorted()[1]

        batch.color = Color.WHITE

        batch.draw(segment.get(1, 0), segment.tileW.toFloat(), 0f, 2 * LRmargin + textWidth, segment.tileH.toFloat())
        batch.draw(segment.get(0, 0), 0f, 0f)
        batch.draw(segment.get(2, 0), 2 * LRmargin + textWidth, 0f)

        messagesList.forEachIndexed { index, s ->
            Terrarum.fontGame.draw(batch, s, segment.tileW + LRmargin, (segment.tileH - Terrarum.fontGame.lineHeight) / 2f)
        }
    }

    override fun doOpening(delta: Float) {
    }

    override fun doClosing(delta: Float) {
    }

    override fun endOpening(delta: Float) {
    }

    override fun endClosing(delta: Float) {
    }

    override fun dispose() {
    }

    companion object {
        // private int messagesShowingIndex = 0;
        val MESSAGES_DISPLAY = 2
        val OPEN_CLOSE_TIME = 0.16f


        // will be disposed by Terrarum (application main instance)
        val SEGMENT_BLACK = TextureRegionPack("assets/graphics/gui/message_black.tga", 8, 56)
        val SEGMENT_WHITE = TextureRegionPack("assets/graphics/gui/message_white.tga", 8, 56)
    }
}