package com.TheRPGAdventurer.ROTD.client.gui;

import com.TheRPGAdventurer.ROTD.client.inventory.ContainerDragon;
import com.TheRPGAdventurer.ROTD.server.entity.EntityTameableDragon;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.client.gui.inventory.GuiInventory;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.inventory.IInventory;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class GuiDragon extends GuiContainer {
	private static final ResourceLocation texture = new ResourceLocation("rotd:textures/gui/dragon.png");
	private IInventory playerInventory;
	private IInventory dragonInv;
	private EntityTameableDragon dragon;
	private float mousePosx;
	private float mousePosY;

	public GuiDragon(IInventory playerInv, EntityTameableDragon dragon) {
		super(new ContainerDragon(dragon, Minecraft.getMinecraft().player));
		this.playerInventory = playerInv;
		this.dragonInv = dragon.dragonInv;
		this.dragon = dragon;
		this.allowUserInput = false;
		this.ySize = 214;
	}

	public static void drawEntityOnScreen(int posX, int posY, int scale, float mouseX, float mouseY, EntityTameableDragon entity) {
		GlStateManager.enableColorMaterial();
		GlStateManager.pushMatrix();
		GlStateManager.translate(posX, posY, 50.0F);
 	    GlStateManager.scale(0.8, 0.8, 0.8);
		GlStateManager.scale((float)(-scale), (float)scale, (float)scale);
		GlStateManager.rotate(180.0F, 0.0F, 0.0F, 1.0F);
		float f2 = entity.renderYawOffset;
		float f3 = entity.rotationYaw;
		float f4 = entity.rotationPitch;
		float f5 = entity.prevRotationYawHead;
		float f6 = entity.rotationYawHead;
		GlStateManager.rotate(135.0F, 0.0F, 1.0F, 0.0F);
		RenderHelper.enableStandardItemLighting();
		GlStateManager.rotate(-135.0F, 0.0F, 1.0F, 0.0F);
		GlStateManager.rotate(-((float) Math.atan(mouseY / 40.0F)) * 20.0F, 1.0F, 0.0F, 0.0F);
		entity.renderYawOffset = (float) Math.atan(mouseX / 40.0F) * 20.0F;
		entity.rotationYaw = (float) Math.atan(mouseX / 40.0F) * 40.0F;
		entity.rotationPitch = -((float) Math.atan(mouseY / 40.0F)) * 20.0F;
		entity.rotationYawHead = entity.rotationYaw;
		entity.prevRotationYawHead = entity.rotationYaw;
		GlStateManager.translate(0.0F, 0.0F, 0.0F);
		RenderManager rendermanager = Minecraft.getMinecraft().getRenderManager();
		rendermanager.setPlayerViewY(180.0F);
		rendermanager.setRenderShadow(false);
		rendermanager.doRenderEntity(entity, 0.0D, 0.0D, 0.0D, 0.0F, 1.0F, false);
		rendermanager.setRenderShadow(true);
		entity.renderYawOffset = f2;
		entity.rotationYaw = f3;
		entity.rotationPitch = f4;
		entity.prevRotationYawHead = f5;
		entity.rotationYawHead = f6;
		GlStateManager.popMatrix();
		RenderHelper.disableStandardItemLighting();
		GlStateManager.disableRescaleNormal();
		GlStateManager.setActiveTexture(OpenGlHelper.lightmapTexUnit);
		GlStateManager.disableTexture2D();
		GlStateManager.setActiveTexture(OpenGlHelper.defaultTexUnit);
	}

	@Override
	protected void drawGuiContainerBackgroundLayer(float partialTicks, int mouseX, int mouseY) {
		GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
		this.mc.getTextureManager().bindTexture(texture);
		int x = (this.width - this.xSize) / 2;
		int y = (this.height - this.ySize) / 2;  // 73 for y
		this.drawTexturedModalRect(x, y, 0, 0, this.xSize, this.ySize); // height is fixed // 150 for texture y
		if (dragon.isChested()) {this.drawTexturedModalRect(x + 0, y + 73, 0, 130, 170, 55);} // 150 9 * 18
		drawEntityOnScreen(x + 88, y + 65, 23, x + 51 - this.mousePosx, y + 75 - 50 - this.mousePosY, this.dragon);

	}

	@Override
	public void drawScreen(int mouseX, int mouseY, float partialTicks) {
		this.mousePosx = mouseX;
		this.mousePosY = mouseY;
		super.drawScreen(mouseX, mouseY, partialTicks);
	}

}