Java tutorial
/* * This file is part of Applied Energistics 2. * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. * * Applied Energistics 2 is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Applied Energistics 2 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>. */ package appeng.client.render.blocks; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL12; import net.minecraft.client.Minecraft; import net.minecraft.client.renderer.RenderBlocks; import net.minecraft.client.renderer.Tessellator; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.inventory.IInventory; import net.minecraft.item.ItemStack; import net.minecraft.util.ResourceLocation; import net.minecraft.world.IBlockAccess; import net.minecraftforge.client.IItemRenderer.ItemRenderType; import net.minecraftforge.common.util.ForgeDirection; import appeng.block.misc.BlockSkyCompass; import appeng.client.render.BaseBlockRender; import appeng.client.render.model.ModelCompass; import appeng.hooks.CompassManager; import appeng.hooks.CompassResult; import appeng.tile.misc.TileSkyCompass; public class RenderBlockSkyCompass extends BaseBlockRender<BlockSkyCompass, TileSkyCompass> { private final ModelCompass model = new ModelCompass(); public RenderBlockSkyCompass() { super(true, 80); } @Override public void renderInventory(final BlockSkyCompass blk, final ItemStack is, final RenderBlocks renderer, ItemRenderType type, final Object[] obj) { if (type == ItemRenderType.INVENTORY) { boolean isGood = false; final IInventory inv = Minecraft.getMinecraft().thePlayer.inventory; for (int x = 0; x < inv.getSizeInventory(); x++) { if (inv.getStackInSlot(x) == is) { isGood = true; } } if (!isGood) { type = ItemRenderType.FIRST_PERSON_MAP; } } GL11.glEnable(GL12.GL_RESCALE_NORMAL); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); final ResourceLocation loc = new ResourceLocation("appliedenergistics2", "textures/models/compass.png"); Minecraft.getMinecraft().getTextureManager().bindTexture(loc); if (type == ItemRenderType.ENTITY) { GL11.glRotatef(-90.0f, 0.0f, 0.0f, 1.0f); GL11.glScalef(1.0F, -1F, -1F); GL11.glScalef(2.5f, 2.5f, 2.5f); GL11.glTranslatef(-0.25F, -1.65F, -0.19F); } else { if (type == ItemRenderType.EQUIPPED_FIRST_PERSON) { GL11.glRotatef(15.3f, 0.0f, 0.0f, 1.0f); } GL11.glScalef(1.0F, -1F, -1F); GL11.glScalef(2.5f, 2.5f, 2.5f); if (type == ItemRenderType.EQUIPPED_FIRST_PERSON) { GL11.glTranslatef(0.3F, -1.65F, -0.19F); } else { GL11.glTranslatef(0.2F, -1.65F, -0.19F); } } long now = System.currentTimeMillis(); if (type == ItemRenderType.EQUIPPED_FIRST_PERSON || type == ItemRenderType.INVENTORY || type == ItemRenderType.EQUIPPED) { EntityPlayer p = Minecraft.getMinecraft().thePlayer; float rYaw = p.rotationYaw; if (type == ItemRenderType.EQUIPPED) { p = (EntityPlayer) obj[1]; rYaw = p.renderYawOffset; } final int x = (int) p.posX; final int y = (int) p.posY; final int z = (int) p.posZ; final CompassResult cr = CompassManager.INSTANCE.getCompassDirection(0, x, y, z); for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { CompassManager.INSTANCE.getCompassDirection(0, x + i - 1, y, z + j - 1); } } if (cr.isValidResult()) { if (cr.isSpin()) { now %= 100000; this.model.renderAll((now / 50000.0f) * (float) Math.PI * 500.0f); } else { if (type == ItemRenderType.EQUIPPED_FIRST_PERSON) { final float offRads = rYaw / 180.0f * (float) Math.PI; final float adjustment = (float) Math.PI * 0.74f; this.model.renderAll((float) this.flipidiy(cr.getRad() + offRads + adjustment)); } else { final float offRads = rYaw / 180.0f * (float) Math.PI; final float adjustment = (float) Math.PI * -0.74f; this.model.renderAll((float) this.flipidiy(cr.getRad() + offRads + adjustment)); } } } else { now %= 1000000; this.model.renderAll((now / 500000.0f) * (float) Math.PI * 500.0f); } } else { now %= 100000; this.model.renderAll((now / 50000.0f) * (float) Math.PI * 500.0f); } GL11.glDisable(GL12.GL_RESCALE_NORMAL); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); } @Override public boolean renderInWorld(final BlockSkyCompass blk, final IBlockAccess world, final int x, final int y, final int z, final RenderBlocks renderer) { return true; } @Override public void renderTile(final BlockSkyCompass block, final TileSkyCompass skyCompass, final Tessellator tess, final double x, final double y, final double z, final float partialTick, final RenderBlocks renderer) { if (skyCompass == null) { return; } if (!skyCompass.hasWorldObj()) { return; } GL11.glEnable(GL12.GL_RESCALE_NORMAL); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); GL11.glCullFace(GL11.GL_FRONT); final ResourceLocation loc = new ResourceLocation("appliedenergistics2", "textures/models/compass.png"); Minecraft.getMinecraft().getTextureManager().bindTexture(loc); this.applyTESRRotation(x, y, z, skyCompass.getUp(), skyCompass.getForward()); GL11.glScalef(1.0F, -1F, -1F); GL11.glTranslatef(0.5F, -1.5F, -0.5F); long now = System.currentTimeMillis(); CompassResult cr = null; if (skyCompass.getForward() == ForgeDirection.UP || skyCompass.getForward() == ForgeDirection.DOWN) { cr = CompassManager.INSTANCE.getCompassDirection(0, skyCompass.xCoord, skyCompass.yCoord, skyCompass.zCoord); } else { cr = new CompassResult(false, true, 0); } if (cr.isValidResult()) { if (cr.isSpin()) { now %= 100000; this.model.renderAll((now / 50000.0f) * (float) Math.PI * 500.0f); } else { this.model.renderAll( (float) (skyCompass.getForward() == ForgeDirection.DOWN ? this.flipidiy(cr.getRad()) : cr.getRad())); } } else { now %= 1000000; this.model.renderAll((now / 500000.0f) * (float) Math.PI * 500.0f); } GL11.glCullFace(GL11.GL_BACK); GL11.glDisable(GL12.GL_RESCALE_NORMAL); GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); } private double flipidiy(final double rad) { final double x = Math.cos(rad); final double y = Math.sin(rad); return Math.atan2(-y, x); } }