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package client.renderer;
import kekztech.KekzCore;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import common.tileentities.TE_BeamTransmitter;
public class TESR_BeamTransmitter extends TileEntitySpecialRenderer {
private static final ResourceLocation beamTexture = new ResourceLocation(
KekzCore.MODID,
"textures/effects/Tether_beam.png");
@Override
public void renderTileEntityAt(TileEntity te, double x, double y, double z, float partialTick) {
final TE_BeamTransmitter beamTransmitter = (TE_BeamTransmitter) te;
GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
// Get Tessellator instance
final Tessellator tessellator = Tessellator.instance;
// Bind beam texture and set texture params
super.bindTexture(beamTexture);
GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, 10497.0F);
GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, 10497.0F);
// Set render flags for inner beam
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glDisable(GL11.GL_CULL_FACE);
GL11.glDisable(GL11.GL_BLEND);
GL11.glDepthMask(true);
OpenGlHelper.glBlendFunc(770, 1, 1, 0);
// Prepare Tessellator
tessellator.startDrawingQuads();
tessellator.setColorRGBA(255, 255, 255, 32);
// Variables stuff II
final float exactTime = (float) beamTransmitter.getWorldObj().getTotalWorldTime() + partialTick;
final float streamTextureOffset = -exactTime * 0.2F - (float) MathHelper.floor_float(-exactTime * 0.1F);
final double halfBeamWidth = 0.1D;
final double height = beamTransmitter.getDistanceFromTarget();
final double uv_x1 = 0.0D;
final double uv_x2 = 1.0D;
final double uv_y1 = -1.0D - streamTextureOffset; // This makes the beam stream upwards if you subtract a time
// sensitive number
// from it
final double uv_y2 = height * (0.5D / (halfBeamWidth * 2)) + uv_y1;
// Construct mesh with texture
tessellator.addVertexWithUV(x + 0.5 + halfBeamWidth, y + 0.5, z + 0.5, uv_x2, uv_y2);
tessellator.addVertexWithUV(x + 0.5 + halfBeamWidth, y + height, z + 0.5, uv_x2, uv_y1);
tessellator.addVertexWithUV(x + 0.5 - halfBeamWidth, y + height, z + 0.5, uv_x1, uv_y1);
tessellator.addVertexWithUV(x + 0.5 - halfBeamWidth, y + 0.5, z + 0.5, uv_x1, uv_y2);
tessellator.addVertexWithUV(x + 0.5, y + 0.5, z + 0.5 + halfBeamWidth, uv_x2, uv_y2);
tessellator.addVertexWithUV(x + 0.5, y + height, z + 0.5 + halfBeamWidth, uv_x2, uv_y1);
tessellator.addVertexWithUV(x + 0.5, y + height, z + 0.5 - halfBeamWidth, uv_x1, uv_y1);
tessellator.addVertexWithUV(x + 0.5, y + 0.5, z + 0.5 - halfBeamWidth, uv_x1, uv_y2);
// Draw!
tessellator.draw();
// Reset render flags
GL11.glEnable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glDepthMask(true);
}
}
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