Java Code Examples for net.minecraft.util.MathHelper#truncateDoubleToInt()

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Example 1
Source File: RenderTileKnowledgeBook.java    From Gadomancy with GNU Lesser General Public License v3.0 4 votes vote down vote up 
private void renderFloatingBook(TileKnowledgeBook te, double x, double y, double z, float partialTicks) {
    TileKnowledgeBook.FloatingBookAttributes attributes = te.getBookAttributes();

    GL11.glPushMatrix();
    GL11.glTranslatef((float)x + 0.5F, (float)y + 0.1F, (float)z + 0.5F);
    float f1 = (float)attributes.field_145926_a + partialTicks;
    GL11.glTranslatef(0.0F, 0.1F + MathHelper.sin(f1 * 0.1F) * 0.03F, 0.0F);
    float f2;

    for (f2 = attributes.field_145928_o - attributes.field_145925_p; f2 >= (float)Math.PI; f2 -= ((float)Math.PI * 2F)) {}

    while (f2 < -(float)Math.PI)
    {
        f2 += ((float)Math.PI * 2F);
    }

    float f3 = attributes.field_145925_p + f2 * partialTicks;
    GL11.glRotatef(-f3 * 180.0F / (float)Math.PI, 0.0F, 1.0F, 0.0F);
    GL11.glRotatef(80.0F, 0.0F, 0.0F, 1.0F);
    this.bindTexture(bookTexture);
    float f4 = attributes.field_145931_j + (attributes.field_145933_i - attributes.field_145931_j) * partialTicks + 0.25F;
    float f5 = attributes.field_145931_j + (attributes.field_145933_i - attributes.field_145931_j) * partialTicks + 0.75F;
    f4 = (f4 - (float)MathHelper.truncateDoubleToInt((double)f4)) * 1.6F - 0.3F;
    f5 = (f5 - (float)MathHelper.truncateDoubleToInt((double)f5)) * 1.6F - 0.3F;

    if (f4 < 0.0F)
    {
        f4 = 0.0F;
    }

    if (f5 < 0.0F)
    {
        f5 = 0.0F;
    }

    if (f4 > 1.0F)
    {
        f4 = 1.0F;
    }

    if (f5 > 1.0F)
    {
        f5 = 1.0F;
    }

    //float f6 = attributes.field_145927_n + (attributes.field_145930_m - attributes.field_145927_n) * partialTicks; We don't want it to close..
    GL11.glEnable(GL11.GL_CULL_FACE);
    modelBook.render(null, 45F, f4, f5, 0.9F, 0.0F, 0.0625F);
    GL11.glPopMatrix();
}