Wizardry/src/main/java/electroblob/wizardry/client/renderer/RenderFireRing.java

package electroblob.wizardry.client.renderer;

import org.lwjgl.opengl.GL11;

import electroblob.wizardry.entity.construct.EntityFireRing;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.VertexBuffer;
import net.minecraft.client.renderer.entity.Render;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.texture.TextureAtlasSprite;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
import net.minecraft.init.Blocks;
import net.minecraft.util.ResourceLocation;

public class RenderFireRing extends Render<EntityFireRing> {
	
    private final ResourceLocation texture;
    private float scale = 1.0f;
    
	public RenderFireRing(RenderManager renderManager, ResourceLocation texture, float scale) {
		super(renderManager);
		this.texture = texture;
		this.scale = scale;
	}

	@Override
    public void doRender(EntityFireRing entity, double par2, double par4, double par6, float par8, float par9){
		
        GlStateManager.pushMatrix();
        GlStateManager.enableBlend();
        GlStateManager.disableLighting();
        OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, 240, 240);
        GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        
        float yOffset = 0;
        
        GlStateManager.translate((float)par2, (float)par4 + yOffset, (float)par6);
        
        this.bindTexture(texture);
        float f6 = 1.0F;
        float f7 = 0.5F;
        float f8 = 0.5F;
        
        GlStateManager.rotate(-90, 1, 0, 0);
        
        GlStateManager.scale(scale, scale, scale);
        
        Tessellator tessellator = Tessellator.getInstance();
        VertexBuffer buffer = tessellator.getBuffer();
        buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
	    buffer.pos((double)(0.0F - f7), (double)(0.0F - f8), 0.01).tex(0, 1).endVertex();
	    buffer.pos((double)(f6 - f7), (double)(0.0F - f8), 0.01).tex(1, 1).endVertex();
	    buffer.pos((double)(f6 - f7), (double)(1.0F - f8), 0.01).tex(1, 0).endVertex();
	    buffer.pos((double)(0.0F - f7), (double)(1.0F - f8), 0.01).tex(0, 0).endVertex();
        
        tessellator.draw();
        
        GlStateManager.disableBlend();
        GlStateManager.enableLighting();
        GlStateManager.disableRescaleNormal();
        GlStateManager.popMatrix();
        
        // Fire
        
        GlStateManager.disableLighting();
        TextureAtlasSprite icon = Minecraft.getMinecraft().getBlockRendererDispatcher().getModelForState(Blocks.FIRE.getDefaultState()).getParticleTexture();
        int sides = 16;
        float height = 1.0f;
        
        for(int k=0; k<sides; k++){
	        
	        GlStateManager.pushMatrix();
	        GlStateManager.translate((float)par2, (float)par4 + 0.05f, (float)par6);
	        float f1 = 1.0f;
	        GlStateManager.scale(f1, f1, f1);
	        float f2 = 0.5F;
	        float f3 = 0.0F;
	        float f4 = 0.2f;
	        float f5 = (float)(entity.posY - entity.getEntityBoundingBox().minY);
	        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
	        float f61 = 0.0F;
	        int i = 0;
	        
	        GlStateManager.rotate((360f/(float)sides)*k, 0, 1, 0);
	        GlStateManager.translate(0, 0, -2.3f);
	        
	        buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
	
	        while (f4 > 0.0F){
	        	
	            this.bindTexture(TextureMap.LOCATION_BLOCKS_TEXTURE);
	            float f71 = icon.getMinU();
	            float f81 = icon.getMinV();
	            float f9 = icon.getMaxU();
	            float f10 = icon.getMaxV();
	
	            if (i / 2 % 2 == 0)
	            {
	                float f11 = f9;
	                f9 = f71;
	                f71 = f11;
	            }
	
	            buffer.pos((double)(f2 - f3), (double)(0.0F - f5), (double)f61).tex((double)f9, (double)f10).endVertex();
	            buffer.pos((double)(-f2 - f3), (double)(0.0F - f5), (double)f61).tex((double)f71, (double)f10).endVertex();
	            buffer.pos((double)(-f2 - f3), (double)(height - f5), (double)f61).tex((double)f71, (double)f81).endVertex();
	            buffer.pos((double)(f2 - f3), (double)(height - f5), (double)f61).tex((double)f9, (double)f81).endVertex();
	            f4 -= 0.45F;
	            f5 -= 0.45F;
	            f2 *= 0.9F;
	            f61 += 0.03F;
	            ++i;
	        }
	
	        tessellator.draw();
	        GlStateManager.popMatrix();
        }

        for(int k=0; k<sides; k++){
	        
	        GlStateManager.pushMatrix();
	        GlStateManager.translate((float)par2, (float)par4 + 0.05f, (float)par6);
	        float f1 = 1.0f;
	        GlStateManager.scale(f1, f1, f1);
	        float f2 = 0.5F;
	        float f3 = 0.0F;
	        float f4 = 0.2f;
	        float f5 = (float)(entity.posY - entity.getEntityBoundingBox().minY);
	        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
	        float f61 = 0.0F;
	        int i = 0;
	        
	        GlStateManager.rotate((360f/(float)sides)*k, 0, 1, 0);
	        GlStateManager.translate(0, 0, 2.3f);
	        
	        buffer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX);
	
	        while (f4 > 0.0F){
	        	
	        	this.bindTexture(TextureMap.LOCATION_BLOCKS_TEXTURE);
	            float f71 = icon.getMinU();
	            float f81 = icon.getMinV();
	            float f9 = icon.getMaxU();
	            float f10 = icon.getMaxV();
	
	            if (i / 2 % 2 == 0)
	            {
	                float f11 = f9;
	                f9 = f71;
	                f71 = f11;
	            }
	
	            buffer.pos((double)(f2 - f3), (double)(0.0F - f5), (double)f61).tex((double)f9, (double)f10).endVertex();
	            buffer.pos((double)(-f2 - f3), (double)(0.0F - f5), (double)f61).tex((double)f71, (double)f10).endVertex();
	            buffer.pos((double)(-f2 - f3), (double)(height - f5), (double)f61).tex((double)f71, (double)f81).endVertex();
	            buffer.pos((double)(f2 - f3), (double)(height - f5), (double)f61).tex((double)f9, (double)f81).endVertex();
	            f4 -= 0.45F;
	            f5 -= 0.45F;
	            f2 *= 0.9F;
	            f61 += 0.03F;
	            ++i;
	        }
	
	        tessellator.draw();
	        GlStateManager.popMatrix();
        }
        
        GlStateManager.enableLighting();
    }

	@Override
	protected ResourceLocation getEntityTexture(EntityFireRing entity) {
		return null;
	}

}