RenderPlayerEventHandler.java

/*******************************************************************************************************************
 * Authors:   SanAndreasP
 * Copyright: SanAndreasP
 * License:   Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
 *                http://creativecommons.org/licenses/by-nc-sa/4.0/
 *******************************************************************************************************************/
package de.sanandrew.core.manpack.mod.client.event;

import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import de.sanandrew.core.manpack.mod.client.render.RenderSanPlayer;
import de.sanandrew.core.manpack.util.ReflectionNames;
import de.sanandrew.core.manpack.util.SAPReflectionHelper;
import de.sanandrew.core.manpack.util.helpers.SAPUtils;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.EntityRenderer;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.entity.RenderPlayer;
import net.minecraft.client.resources.SimpleReloadableResourceManager;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraftforge.client.event.RenderHandEvent;
import net.minecraftforge.client.event.RenderLivingEvent.Pre;
import net.minecraftforge.client.event.RenderPlayerEvent;
import org.lwjgl.opengl.GL11;

@SideOnly( Side.CLIENT )
public class RenderPlayerEventHandler
{
    private static final String[] SANPLAYER_NAMES_UUID = new String[] { "SanAndreasP", "044d980d-5c2a-4030-95cf-cbfde69ea3cb" };

    private RenderSanPlayer sanPlayerModel = null;

    private float playerPartTicks = 0.0F;

    private void lazyLoad() {
        if( this.sanPlayerModel == null ) {
            this.sanPlayerModel = new RenderSanPlayer();
            this.sanPlayerModel.setRenderManager(RenderManager.instance);

            if( Minecraft.getMinecraft().getResourceManager() instanceof SimpleReloadableResourceManager ) {
                ((SimpleReloadableResourceManager) Minecraft.getMinecraft().getResourceManager()).registerReloadListener(this.sanPlayerModel);
            }
        }
    }

    @SubscribeEvent
    public void onPlayerRender(RenderPlayerEvent.Pre event) {
        this.lazyLoad();

        if( SAPUtils.isPlayerNameOrUuidEqual(event.entityPlayer, SANPLAYER_NAMES_UUID) ) {
            playerPartTicks = event.partialRenderTick;
        }
    }

    @SubscribeEvent
    public void onLivingRender(Pre event) {
        this.lazyLoad();

        if( event.entity instanceof EntityPlayer && event.renderer != this.sanPlayerModel
                && SAPUtils.isPlayerNameOrUuidEqual((EntityPlayer) event.entity, SANPLAYER_NAMES_UUID) )
        {
            this.sanPlayerModel.doRender(event.entity, event.x, event.y + event.entity.yOffset, event.z, 0.0F, this.playerPartTicks);
            event.setCanceled(true);
        }
    }

    @SubscribeEvent
    @SuppressWarnings( "unchecked" )
    public void onHandRender(RenderHandEvent event) {
        this.lazyLoad();

        GL11.glPushMatrix();
        Minecraft mc = Minecraft.getMinecraft();

        if( SAPUtils.isPlayerNameOrUuidEqual(mc.thePlayer, SANPLAYER_NAMES_UUID) ) {
            event.setCanceled(true);
            GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
            RenderPlayer rend = (RenderPlayer) RenderManager.instance.getEntityRenderObject(mc.thePlayer);
            RenderManager.instance.entityRenderMap.put(mc.thePlayer.getClass(), this.sanPlayerModel);
            SAPReflectionHelper.invokeCachedMethod(EntityRenderer.class, mc.entityRenderer, ReflectionNames.RENDER_HAND.mcpName, ReflectionNames.RENDER_HAND.srgName,
                                                   new Class[] { float.class, int.class }, new Object[] { event.partialTicks, event.renderPass } );
            RenderManager.instance.entityRenderMap.put(mc.thePlayer.getClass(), rend);
        }

        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        GL11.glPopMatrix();
    }
}