1 files changed, 65 insertions, 0 deletions
diff --git a/src/main/java/client/renderer/TESR_BeamTransmitter.java b/src/main/java/client/renderer/TESR_BeamTransmitter.java
new file mode 100644
index 0000000000..81ab52654b
--- /dev/null
+++ b/src/main/java/client/renderer/TESR_BeamTransmitter.java
@@ -0,0 +1,65 @@
+package client.renderer;
+
+import common.tileentities.TE_BeamTransmitter;
+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;
+
+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);
+    }
+}