Java tutorial
/******************************************************************************* * The MIT License (MIT) * * Copyright (C) 2014-2018 Sam Bassett (aka Lothrazar) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. ******************************************************************************/ package com.lothrazar.cyclicmagic.block.tank; import org.lwjgl.opengl.GL11; import net.minecraft.client.Minecraft; import net.minecraft.client.renderer.BufferBuilder; import net.minecraft.client.renderer.GlStateManager; import net.minecraft.client.renderer.Tessellator; import net.minecraft.client.renderer.texture.TextureAtlasSprite; import net.minecraft.client.renderer.texture.TextureMap; import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer; import net.minecraft.client.renderer.vertex.DefaultVertexFormats; import net.minecraftforge.fluids.Fluid; import net.minecraftforge.fluids.FluidStack; public class FluidTESR extends TileEntitySpecialRenderer<TileEntityFluidTank> { @Override public void render(TileEntityFluidTank te, double x, double y, double z, float partialTicks, int destroyStage, float alpha) { FluidStack fluidStack = te.getCurrentFluidStack(); if (fluidStack == null) { return; } GlStateManager.pushMatrix(); GL11.glPushAttrib(GL11.GL_ENABLE_BIT); GL11.glEnable(GL11.GL_CULL_FACE); GL11.glDisable(GL11.GL_LIGHTING); if (fluidStack != null) { Fluid fluid = fluidStack.getFluid(); Tessellator tess = Tessellator.getInstance(); BufferBuilder buffer = tess.getBuffer(); bindTexture(TextureMap.LOCATION_BLOCKS_TEXTURE); //TODO: fluid liumin UtilRenderMekanismFluid.glowOn(fluid.getLuminosity()); TextureAtlasSprite still = Minecraft.getMinecraft().getTextureMapBlocks() .getAtlasSprite(fluid.getStill().toString()); TextureAtlasSprite flow = Minecraft.getMinecraft().getTextureMapBlocks() .getAtlasSprite(fluid.getFlowing().toString()); //so we get range smaller THAN [0,1] -> avoids texture layer fighting double posY = 0.01 + (.985 * ((float) fluidStack.amount / (float) te.getCapacity())); int icolor = fluidStack.getFluid().getColor(fluidStack); //RGB encoded in hexval integer float red = (icolor >> 16 & 0xFF) / 255.0F; float green = (icolor >> 8 & 0xFF) / 255.0F; float blue = (icolor & 0xFF) / 255.0F; float alph = 1.0F; // THANKS FOR POST http://www.minecraftforge.net/forum/topic/44388-1102-render-fluid-level-in-tank-with-tesr/ // T/B for top and bottom float T = 15.9F / 16F; float B = 0.1F / 16F; int S = 1, E = 15;//for start and end. vertex ranges from [0,16]; //TOP SIDE buffer.setTranslation(x, y, z); buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR); buffer.pos(B, posY, 1).tex(still.getInterpolatedU(S), still.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, posY, 1).tex(still.getInterpolatedU(E), still.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(1, posY, B).tex(still.getInterpolatedU(E), still.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(B, posY, B).tex(still.getInterpolatedU(S), still.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); tess.draw(); //BOTTOM SIDE buffer.setTranslation(x, y - posY + B, z);// buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR); buffer.pos(B, posY, B).tex(still.getInterpolatedU(S), still.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, posY, B).tex(still.getInterpolatedU(E), still.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, posY, T).tex(still.getInterpolatedU(E), still.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(B, posY, T).tex(still.getInterpolatedU(S), still.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); tess.draw(); //the +Z side buffer.setTranslation(x, y, z); buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR); buffer.pos(T, B, T).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, posY, T).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(B, posY, T).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(B, B, T).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); tess.draw(); //now the opposite: -Z side buffer.setTranslation(x, y, z + 1); buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR); buffer.pos(T, posY, -1 * T).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, B, -1 * T).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(B, B, -1 * T).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(B, posY, -1 * T).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); tess.draw(); // the +X side buffer.setTranslation(x, y, z); buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR); buffer.pos(T, B, B).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, posY, B).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, posY, T).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, B, T).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); tess.draw(); // the -X side buffer.setTranslation(x - 1 + 2 * B, y, z); buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR); buffer.pos(T, posY, B).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, B, B).tex(flow.getInterpolatedU(S), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, B, T).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(E)) .color(red, green, blue, alph).endVertex(); buffer.pos(T, posY, T).tex(flow.getInterpolatedU(E), flow.getInterpolatedV(S)) .color(red, green, blue, alph).endVertex(); tess.draw(); buffer.setTranslation(0, 0, 0); UtilRenderMekanismFluid.glowOff(); } GL11.glPopAttrib(); GlStateManager.popMatrix(); } }