GuiInventory.java

package net.minecraft.client.gui.inventory;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.achievement.GuiAchievements;
import net.minecraft.client.gui.achievement.GuiStats;
import net.minecraft.client.renderer.InventoryEffectRenderer;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.resources.I18n;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;

@SideOnly(Side.CLIENT)
public class GuiInventory extends InventoryEffectRenderer
{
    /** The old x position of the mouse pointer */
    private float oldMouseX;
    /** The old y position of the mouse pointer */
    private float oldMouseY;
    private static final String __OBFID = "CL_00000761";

    public GuiInventory(EntityPlayer p_i1094_1_)
    {
        super(p_i1094_1_.inventoryContainer);
        this.allowUserInput = true;
    }

    /**
     * Called from the main game loop to update the screen.
     */
    public void updateScreen()
    {
        if (this.mc.playerController.isInCreativeMode())
        {
            this.mc.displayGuiScreen(new GuiContainerCreative(this.mc.thePlayer));
        }
    }

    /**
     * Adds the buttons (and other controls) to the screen in question.
     */
    public void initGui()
    {
        this.buttonList.clear();

        if (this.mc.playerController.isInCreativeMode())
        {
            this.mc.displayGuiScreen(new GuiContainerCreative(this.mc.thePlayer));
        }
        else
        {
            super.initGui();
        }
    }

    /**
     * Draw the foreground layer for the GuiContainer (everything in front of the items). Args : mouseX, mouseY
     */
    protected void drawGuiContainerForegroundLayer(int mouseX, int mouseY)
    {
        this.fontRendererObj.drawString(I18n.format("container.crafting", new Object[0]), 86, 16, 4210752);
    }

    /**
     * Draws the screen and all the components in it. Args : mouseX, mouseY, renderPartialTicks
     */
    public void drawScreen(int mouseX, int mouseY, float partialTicks)
    {
        super.drawScreen(mouseX, mouseY, partialTicks);
        this.oldMouseX = (float)mouseX;
        this.oldMouseY = (float)mouseY;
    }

    /**
     * Args : renderPartialTicks, mouseX, mouseY
     */
    protected void drawGuiContainerBackgroundLayer(float partialTicks, int mouseX, int mouseY)
    {
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        this.mc.getTextureManager().bindTexture(inventoryBackground);
        int k = this.guiLeft;
        int l = this.guiTop;
        this.drawTexturedModalRect(k, l, 0, 0, this.xSize, this.ySize);
        drawEntityOnScreen(k + 51, l + 75, 30, (float)(k + 51) - this.oldMouseX, (float)(l + 75 - 50) - this.oldMouseY, this.mc.thePlayer);
    }

    /**
     * Draws the entity to the screen. Args: xPos, yPos, scale, mouseX, mouseY, entityLiving
     */
    public static void drawEntityOnScreen(int p_147046_0_, int p_147046_1_, int p_147046_2_, float p_147046_3_, float p_147046_4_, EntityLivingBase p_147046_5_)
    {
        GL11.glEnable(GL11.GL_COLOR_MATERIAL);
        GL11.glPushMatrix();
        GL11.glTranslatef((float)p_147046_0_, (float)p_147046_1_, 50.0F);
        GL11.glScalef((float)(-p_147046_2_), (float)p_147046_2_, (float)p_147046_2_);
        GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
        float f2 = p_147046_5_.renderYawOffset;
        float f3 = p_147046_5_.rotationYaw;
        float f4 = p_147046_5_.rotationPitch;
        float f5 = p_147046_5_.prevRotationYawHead;
        float f6 = p_147046_5_.rotationYawHead;
        GL11.glRotatef(135.0F, 0.0F, 1.0F, 0.0F);
        RenderHelper.enableStandardItemLighting();
        GL11.glRotatef(-135.0F, 0.0F, 1.0F, 0.0F);
        GL11.glRotatef(-((float)Math.atan((double)(p_147046_4_ / 40.0F))) * 20.0F, 1.0F, 0.0F, 0.0F);
        p_147046_5_.renderYawOffset = (float)Math.atan((double)(p_147046_3_ / 40.0F)) * 20.0F;
        p_147046_5_.rotationYaw = (float)Math.atan((double)(p_147046_3_ / 40.0F)) * 40.0F;
        p_147046_5_.rotationPitch = -((float)Math.atan((double)(p_147046_4_ / 40.0F))) * 20.0F;
        p_147046_5_.rotationYawHead = p_147046_5_.rotationYaw;
        p_147046_5_.prevRotationYawHead = p_147046_5_.rotationYaw;
        GL11.glTranslatef(0.0F, p_147046_5_.yOffset, 0.0F);
        RenderManager.instance.playerViewY = 180.0F;
        RenderManager.instance.renderEntityWithPosYaw(p_147046_5_, 0.0D, 0.0D, 0.0D, 0.0F, 1.0F);
        p_147046_5_.renderYawOffset = f2;
        p_147046_5_.rotationYaw = f3;
        p_147046_5_.rotationPitch = f4;
        p_147046_5_.prevRotationYawHead = f5;
        p_147046_5_.rotationYawHead = f6;
        GL11.glPopMatrix();
        RenderHelper.disableStandardItemLighting();
        GL11.glDisable(GL12.GL_RESCALE_NORMAL);
        OpenGlHelper.setActiveTexture(OpenGlHelper.lightmapTexUnit);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        OpenGlHelper.setActiveTexture(OpenGlHelper.defaultTexUnit);
    }

    protected void actionPerformed(GuiButton button)
    {
        if (button.id == 0)
        {
            this.mc.displayGuiScreen(new GuiAchievements(this, this.mc.thePlayer.getStatFileWriter()));
        }

        if (button.id == 1)
        {
            this.mc.displayGuiScreen(new GuiStats(this, this.mc.thePlayer.getStatFileWriter()));
        }
    }
}