package net.minecraft.src;

import org.lwjgl.opengl.GL11;

public class ModelRenderer {
	private PositionTextureVertex[] corners;
	private TexturedQuad[] faces;
	private int textureOffsetX;
	private int textureOffsetY;
	public float rotationPointX;
	public float rotationPointY;
	public float rotationPointZ;
	public float rotateAngleX;
	public float rotateAngleY;
	public float rotateAngleZ;
	private boolean compiled = false;
	private int displayList = 0;
	public boolean mirror = false;
	public boolean showModel = true;
	public boolean isHidden = false;

	public ModelRenderer(int var1, int var2) {
		this.textureOffsetX = var1;
		this.textureOffsetY = var2;
	}

	public void addBox(float var1, float var2, float var3, int var4, int var5, int var6, float var7) {
		this.corners = new PositionTextureVertex[8];
		this.faces = new TexturedQuad[6];
		float var8 = var1 + (float)var4;
		float var9 = var2 + (float)var5;
		float var10 = var3 + (float)var6;
		var1 -= var7;
		var2 -= var7;
		var3 -= var7;
		var8 += var7;
		var9 += var7;
		var10 += var7;
		if(this.mirror) {
			float var11 = var8;
			var8 = var1;
			var1 = var11;
		}

		PositionTextureVertex var20 = new PositionTextureVertex(var1, var2, var3, 0.0F, 0.0F);
		PositionTextureVertex var12 = new PositionTextureVertex(var8, var2, var3, 0.0F, 8.0F);
		PositionTextureVertex var13 = new PositionTextureVertex(var8, var9, var3, 8.0F, 8.0F);
		PositionTextureVertex var14 = new PositionTextureVertex(var1, var9, var3, 8.0F, 0.0F);
		PositionTextureVertex var15 = new PositionTextureVertex(var1, var2, var10, 0.0F, 0.0F);
		PositionTextureVertex var16 = new PositionTextureVertex(var8, var2, var10, 0.0F, 8.0F);
		PositionTextureVertex var17 = new PositionTextureVertex(var8, var9, var10, 8.0F, 8.0F);
		PositionTextureVertex var18 = new PositionTextureVertex(var1, var9, var10, 8.0F, 0.0F);
		this.corners[0] = var20;
		this.corners[1] = var12;
		this.corners[2] = var13;
		this.corners[3] = var14;
		this.corners[4] = var15;
		this.corners[5] = var16;
		this.corners[6] = var17;
		this.corners[7] = var18;
		this.faces[0] = new TexturedQuad(new PositionTextureVertex[]{var16, var12, var13, var17}, this.textureOffsetX + var6 + var4, this.textureOffsetY + var6, this.textureOffsetX + var6 + var4 + var6, this.textureOffsetY + var6 + var5);
		this.faces[1] = new TexturedQuad(new PositionTextureVertex[]{var20, var15, var18, var14}, this.textureOffsetX + 0, this.textureOffsetY + var6, this.textureOffsetX + var6, this.textureOffsetY + var6 + var5);
		this.faces[2] = new TexturedQuad(new PositionTextureVertex[]{var16, var15, var20, var12}, this.textureOffsetX + var6, this.textureOffsetY + 0, this.textureOffsetX + var6 + var4, this.textureOffsetY + var6);
		this.faces[3] = new TexturedQuad(new PositionTextureVertex[]{var13, var14, var18, var17}, this.textureOffsetX + var6 + var4, this.textureOffsetY + 0, this.textureOffsetX + var6 + var4 + var4, this.textureOffsetY + var6);
		this.faces[4] = new TexturedQuad(new PositionTextureVertex[]{var12, var20, var14, var13}, this.textureOffsetX + var6, this.textureOffsetY + var6, this.textureOffsetX + var6 + var4, this.textureOffsetY + var6 + var5);
		this.faces[5] = new TexturedQuad(new PositionTextureVertex[]{var15, var16, var17, var18}, this.textureOffsetX + var6 + var4 + var6, this.textureOffsetY + var6, this.textureOffsetX + var6 + var4 + var6 + var4, this.textureOffsetY + var6 + var5);
		if(this.mirror) {
			for(int var19 = 0; var19 < this.faces.length; ++var19) {
				this.faces[var19].flipFace();
			}
		}

	}

	public void setRotationPoint(float var1, float var2, float var3) {
		this.rotationPointX = var1;
		this.rotationPointY = var2;
		this.rotationPointZ = var3;
	}

	public void render(float var1) {
		if(!this.isHidden) {
			if(this.showModel) {
				if(!this.compiled) {
					this.compileDisplayList(var1);
				}

				if(this.rotateAngleX == 0.0F && this.rotateAngleY == 0.0F && this.rotateAngleZ == 0.0F) {
					if(this.rotationPointX == 0.0F && this.rotationPointY == 0.0F && this.rotationPointZ == 0.0F) {
						GL11.glCallList(this.displayList);
					} else {
						GL11.glTranslatef(this.rotationPointX * var1, this.rotationPointY * var1, this.rotationPointZ * var1);
						GL11.glCallList(this.displayList);
						GL11.glTranslatef(-this.rotationPointX * var1, -this.rotationPointY * var1, -this.rotationPointZ * var1);
					}
				} else {
					GL11.glPushMatrix();
					GL11.glTranslatef(this.rotationPointX * var1, this.rotationPointY * var1, this.rotationPointZ * var1);
					if(this.rotateAngleZ != 0.0F) {
						GL11.glRotatef(this.rotateAngleZ * (180.0F / (float)Math.PI), 0.0F, 0.0F, 1.0F);
					}

					if(this.rotateAngleY != 0.0F) {
						GL11.glRotatef(this.rotateAngleY * (180.0F / (float)Math.PI), 0.0F, 1.0F, 0.0F);
					}

					if(this.rotateAngleX != 0.0F) {
						GL11.glRotatef(this.rotateAngleX * (180.0F / (float)Math.PI), 1.0F, 0.0F, 0.0F);
					}

					GL11.glCallList(this.displayList);
					GL11.glPopMatrix();
				}

			}
		}
	}

	private void compileDisplayList(float var1) {
		this.displayList = GLAllocation.generateDisplayLists(1);
		GL11.glNewList(this.displayList, GL11.GL_COMPILE);
		Tessellator var2 = Tessellator.instance;

		for(int var3 = 0; var3 < this.faces.length; ++var3) {
			this.faces[var3].draw(var2, var1);
		}

		GL11.glEndList();
		this.compiled = true;
	}
}