package com.theonrd.rmod;

import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.client.event.GuiScreenEvent;
import net.minecraftforge.common.MinecraftForge;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.GL11;

public class MapGui extends GuiScreen {

    private static int lastwidth;
    private static int lastheight;
    static float tileAdditiveX = 0;
    static float tileAdditiveY = 0;
    static float tileMultipler = 1;


    private static ResourceLocation texture;
    private static ResourceLocation backgr;
    private String TextureName;

    public MapGui(String MapTexture){

        this.TextureName=MapTexture;
    }

    @Override
    public void initGui() {

        texture = new ResourceLocation("rmod", "textures/map_01.png");
        backgr = new ResourceLocation("rmod", "textures/back_01.png");

        buttonList.clear();

        //buttonList.add(BTN_ADDBIND);
    }

    public void updateScaling(){

        lastwidth = width;
        lastheight = height;
    }

    @Override
    public void handleKeyboardInput() {

        if (Keyboard.getEventKeyState())
        {
            this.keyTyped(Keyboard.getEventCharacter(), Keyboard.getEventKey());
        }

        this.mc.func_152348_aa();
    }

    /*
    * MouseButton:
    *
    * 0 > Left button
    * 1 > Right Button
    * 2 > Middle button
    *
    *  */
    @Override
    protected void mouseClicked(int coord_X, int coord_Y, int MouseButton) {

    }

    @Override
    public void drawScreen(int i, int j, float f) {

        if(lastheight != height || lastwidth != width) initGui(); // If we change screen resolution, we need also update auto-scaling.

        if(Mouse.isButtonDown(2) || Mouse.isButtonDown(1)) {

            tileMultipler = .7F;
            tileAdditiveX = (float) Mouse.getX() / width;
            tileAdditiveY = (float) Mouse.getY() / height * -1;
        }
        else {

            tileMultipler = 1;
            tileAdditiveX = 0;
            tileAdditiveY = 0;
        }

        drawDefaultBackground();

        mc.getTextureManager().bindTexture(texture);
        drawQuad(floatToWidth(.6F / tileMultipler), floatToHeight(.8F / tileMultipler));

        super.drawScreen(i, j, f);
    }

    public void drawQuad(int sizeX, int sizeY){

        if(sizeX <= sizeY) sizeY = sizeX;
        else sizeX = sizeY;

        int x = (width - sizeX) / 2;
        int y = (height - sizeY) / 2;

        Tessellator tessellator = Tessellator.instance;
        tessellator.startDrawingQuads();

        tessellator.addVertexWithUV((double)(x + 0), (double)(y + sizeY), (double)this.zLevel,
                (double)((0F + tileAdditiveX) * tileMultipler), (double)((1F + tileAdditiveY) * tileMultipler));  // Left-Up

        tessellator.addVertexWithUV((double)(x + sizeX), (double)(y + sizeY), (double)this.zLevel,
                (double)((1F + tileAdditiveX) * tileMultipler), (double)((1F + tileAdditiveY) * tileMultipler));  // Right-Up

        tessellator.addVertexWithUV((double)(x + sizeX), (double)(y + 0), (double)this.zLevel,
                (double)((1F + tileAdditiveX) * tileMultipler), (double)((0F + tileAdditiveY) * tileMultipler));  // Right-Down

        tessellator.addVertexWithUV((double)(x + 0), (double)(y + 0), (double)this.zLevel,
                (double)((0F + tileAdditiveX) * tileMultipler), (double)((0F + tileAdditiveY) * tileMultipler));  // Left-Down
        tessellator.draw();
    }

    // WARN!
    // Use float from range -1..1
    public int floatToWidth (float f){

        return (int) (width * f);
    }

    // WARN!
    // Use float from range -1..1
    public int floatToHeight (float f) {

        return (int) (height * f);
    }
}