MineLittlePony/src/main/java/com/brohoof/minelittlepony/renderer/ScalableModelRenderer.java

package com.brohoof.minelittlepony.renderer;

import java.util.ArrayList;
import java.util.List;

import org.lwjgl.opengl.GL11;

import com.brohoof.minelittlepony.model.ScalableModelBox;

import net.minecraft.client.model.ModelBase;
import net.minecraft.client.model.ModelRenderer;
import net.minecraft.client.model.TextureOffset;
import net.minecraft.client.renderer.GLAllocation;
import net.minecraft.client.renderer.Tessellator;

public class ScalableModelRenderer extends ModelRenderer {
    public float textureWidth;
    public float textureHeight;
    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;
    private int displayList;
    public boolean mirror;
    public boolean showModel;
    public boolean isHidden;
    public List<ScalableModelBox> cubeList;
    public List<ScalableModelRenderer> childModels;
    public final String boxName;
    private ModelBase baseModel;
    public float offsetX;
    public float offsetY;
    public float offsetZ;

    @SuppressWarnings("unchecked")
    public ScalableModelRenderer(ModelBase par1ModelBase, String par2Str) {
        super(par1ModelBase);
        this.textureWidth = 64.0F;
        this.textureHeight = 32.0F;
        this.showModel = true;
        this.cubeList = new ArrayList<ScalableModelBox>();
        this.baseModel = par1ModelBase;
        par1ModelBase.boxList.add(this);
        this.boxName = par2Str;
        this.setTextureSize(par1ModelBase.textureWidth, par1ModelBase.textureHeight);
    }

    public ScalableModelRenderer(ModelBase par1ModelBase) {
        this(par1ModelBase, (String) null);
    }

    public ScalableModelRenderer(ModelBase par1ModelBase, int par2, int par3) {
        this(par1ModelBase);
        this.setTextureOffset(par2, par3);
    }

    public void addChild(ScalableModelRenderer par1ModelRenderer) {
        if (this.childModels == null) {
            this.childModels = new ArrayList<ScalableModelRenderer>();
        }

        this.childModels.add(par1ModelRenderer);
    }

    @Override
    public ScalableModelRenderer setTextureOffset(int par1, int par2) {
        this.textureOffsetX = par1;
        this.textureOffsetY = par2;
        return this;
    }

    @Override
    public ScalableModelRenderer addBox(String par1Str, float par2, float par3, float par4, int par5, int par6,
            int par7) {
        par1Str = this.boxName + "." + par1Str;
        TextureOffset var8 = this.baseModel.getTextureOffset(par1Str);
        this.setTextureOffset(var8.textureOffsetX, var8.textureOffsetY);
        this.cubeList.add((new ScalableModelBox(this, this.textureOffsetX, this.textureOffsetY, par2, par3, par4, par5,
                par6, par7, 0.0F)).func_78244_a(par1Str));
        return this;
    }

    @Override
    public ScalableModelRenderer addBox(float par1, float par2, float par3, int par4, int par5, int par6) {
        this.cubeList.add(new ScalableModelBox(this, this.textureOffsetX, this.textureOffsetY, par1, par2, par3, par4,
                par5, par6, 0.0F));
        return this;
    }

    @Override
    public void addBox(float par1, float par2, float par3, int par4, int par5, int par6, float par7) {
        this.cubeList.add(new ScalableModelBox(this, this.textureOffsetX, this.textureOffsetY, par1, par2, par3, par4,
                par5, par6, par7));
    }

    @Override
    public void setRotationPoint(float par1, float par2, float par3) {
        this.rotationPointX = par1;
        this.rotationPointY = par2;
        this.rotationPointZ = par3;
    }

    @Override
    public void render(float par1) {
        if (!this.isHidden && this.showModel) {
            if (!this.compiled) {
                this.compileDisplayList(par1);
            }

            GL11.glTranslatef(this.offsetX, this.offsetY, this.offsetZ);
            int var2;
            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);
                    if (this.childModels != null) {
                        for (var2 = 0; var2 < this.childModels.size(); ++var2) {
                            this.childModels.get(var2).render(par1);
                        }
                    }
                } else {
                    GL11.glTranslatef(this.rotationPointX * par1, this.rotationPointY * par1,
                            this.rotationPointZ * par1);
                    GL11.glCallList(this.displayList);
                    if (this.childModels != null) {
                        for (var2 = 0; var2 < this.childModels.size(); ++var2) {
                            this.childModels.get(var2).render(par1);
                        }
                    }

                    GL11.glTranslatef(-this.rotationPointX * par1, -this.rotationPointY * par1,
                            -this.rotationPointZ * par1);
                }
            } else {
                GL11.glPushMatrix();
                GL11.glTranslatef(this.rotationPointX * par1, this.rotationPointY * par1, this.rotationPointZ * par1);
                if (this.rotateAngleZ != 0.0F) {
                    GL11.glRotatef(this.rotateAngleZ * 57.295776F, 0.0F, 0.0F, 1.0F);
                }

                if (this.rotateAngleY != 0.0F) {
                    GL11.glRotatef(this.rotateAngleY * 57.295776F, 0.0F, 1.0F, 0.0F);
                }

                if (this.rotateAngleX != 0.0F) {
                    GL11.glRotatef(this.rotateAngleX * 57.295776F, 1.0F, 0.0F, 0.0F);
                }

                GL11.glCallList(this.displayList);
                if (this.childModels != null) {
                    for (var2 = 0; var2 < this.childModels.size(); ++var2) {
                        this.childModels.get(var2).render(par1);
                    }
                }

                GL11.glPopMatrix();
            }

            GL11.glTranslatef(-this.offsetX, -this.offsetY, -this.offsetZ);
        }

    }

    public void render(float par1, float scaleX, float scaleY, float scaleZ) {
        if (!this.isHidden && this.showModel) {
            if (!this.compiled) {
                this.compileDisplayList(par1);
            }

            GL11.glTranslatef(this.offsetX, this.offsetY, this.offsetZ);
            int var2;
            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.glPushMatrix();
                    GL11.glScalef(scaleX, scaleY, scaleZ);
                    GL11.glCallList(this.displayList);
                    if (this.childModels != null) {
                        for (var2 = 0; var2 < this.childModels.size(); ++var2) {
                            this.childModels.get(var2).render(par1);
                        }
                    }

                    GL11.glPopMatrix();
                } else {
                    GL11.glTranslatef(this.rotationPointX * par1, this.rotationPointY * par1,
                            this.rotationPointZ * par1);
                    GL11.glPushMatrix();
                    GL11.glScalef(scaleX, scaleY, scaleZ);
                    GL11.glCallList(this.displayList);
                    if (this.childModels != null) {
                        for (var2 = 0; var2 < this.childModels.size(); ++var2) {
                            this.childModels.get(var2).render(par1);
                        }
                    }

                    GL11.glPopMatrix();
                    GL11.glTranslatef(-this.rotationPointX * par1, -this.rotationPointY * par1,
                            -this.rotationPointZ * par1);
                }
            } else {
                GL11.glPushMatrix();
                GL11.glTranslatef(this.rotationPointX * par1, this.rotationPointY * par1, this.rotationPointZ * par1);
                if (this.rotateAngleZ != 0.0F) {
                    GL11.glRotatef(this.rotateAngleZ * 57.295776F, 0.0F, 0.0F, 1.0F);
                }

                if (this.rotateAngleY != 0.0F) {
                    GL11.glRotatef(this.rotateAngleY * 57.295776F, 0.0F, 1.0F, 0.0F);
                }

                if (this.rotateAngleX != 0.0F) {
                    GL11.glRotatef(this.rotateAngleX * 57.295776F, 1.0F, 0.0F, 0.0F);
                }

                GL11.glPushMatrix();
                GL11.glScalef(scaleX, scaleY, scaleZ);
                GL11.glCallList(this.displayList);
                if (this.childModels != null) {
                    for (var2 = 0; var2 < this.childModels.size(); ++var2) {
                        this.childModels.get(var2).render(par1);
                    }
                }

                GL11.glPopMatrix();
                GL11.glPopMatrix();
            }

            GL11.glTranslatef(-this.offsetX, -this.offsetY, -this.offsetZ);
        }

    }

    @Override
    public void renderWithRotation(float par1) {
        if (!this.isHidden && this.showModel) {
            if (!this.compiled) {
                this.compileDisplayList(par1);
            }

            GL11.glPushMatrix();
            GL11.glTranslatef(this.rotationPointX * par1, this.rotationPointY * par1, this.rotationPointZ * par1);
            if (this.rotateAngleY != 0.0F) {
                GL11.glRotatef(this.rotateAngleY * 57.295776F, 0.0F, 1.0F, 0.0F);
            }

            if (this.rotateAngleX != 0.0F) {
                GL11.glRotatef(this.rotateAngleX * 57.295776F, 1.0F, 0.0F, 0.0F);
            }

            if (this.rotateAngleZ != 0.0F) {
                GL11.glRotatef(this.rotateAngleZ * 57.295776F, 0.0F, 0.0F, 1.0F);
            }

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

    }

    @Override
    public void postRender(float par1) {
        if (!this.isHidden && this.showModel) {
            if (!this.compiled) {
                this.compileDisplayList(par1);
            }

            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.glTranslatef(this.rotationPointX * par1, this.rotationPointY * par1,
                            this.rotationPointZ * par1);
                }
            } else {
                GL11.glTranslatef(this.rotationPointX * par1, this.rotationPointY * par1, this.rotationPointZ * par1);
                if (this.rotateAngleZ != 0.0F) {
                    GL11.glRotatef(this.rotateAngleZ * 57.295776F, 0.0F, 0.0F, 1.0F);
                }

                if (this.rotateAngleY != 0.0F) {
                    GL11.glRotatef(this.rotateAngleY * 57.295776F, 0.0F, 1.0F, 0.0F);
                }

                if (this.rotateAngleX != 0.0F) {
                    GL11.glRotatef(this.rotateAngleX * 57.295776F, 1.0F, 0.0F, 0.0F);
                }
            }
        }

    }

    private void compileDisplayList(float par1) {
        this.displayList = GLAllocation.generateDisplayLists(1);
        GL11.glNewList(this.displayList, 4864);
        Tessellator var2 = Tessellator.getInstance();

        for (int var3 = 0; var3 < this.cubeList.size(); ++var3) {
            this.cubeList.get(var3).render(var2, par1);
        }

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

    @Override
    public ScalableModelRenderer setTextureSize(int par1, int par2) {
        this.textureWidth = par1;
        this.textureHeight = par2;
        return this;
    }
}