GuiInventory.java 文件源码

/**
 * Draws an entity on the screen looking toward the cursor.
 */
public static void drawEntityOnScreen(int posX, int posY, int scale, float mouseX, float mouseY, EntityLivingBase ent)
{
    GlStateManager.enableColorMaterial();
    GlStateManager.pushMatrix();
    GlStateManager.translate((float)posX, (float)posY, 50.0F);
    GlStateManager.scale((float)(-scale), (float)scale, (float)scale);
    GlStateManager.rotate(180.0F, 0.0F, 0.0F, 1.0F);
    float f = ent.renderYawOffset;
    float f1 = ent.rotationYaw;
    float f2 = ent.rotationPitch;
    float f3 = ent.prevRotationYawHead;
    float f4 = ent.rotationYawHead;
    GlStateManager.rotate(135.0F, 0.0F, 1.0F, 0.0F);
    RenderHelper.enableStandardItemLighting();
    GlStateManager.rotate(-135.0F, 0.0F, 1.0F, 0.0F);
    GlStateManager.rotate(-((float)Math.atan((double)(mouseY / 40.0F))) * 20.0F, 1.0F, 0.0F, 0.0F);
    ent.renderYawOffset = (float)Math.atan((double)(mouseX / 40.0F)) * 20.0F;
    ent.rotationYaw = (float)Math.atan((double)(mouseX / 40.0F)) * 40.0F;
    ent.rotationPitch = -((float)Math.atan((double)(mouseY / 40.0F))) * 20.0F;
    ent.rotationYawHead = ent.rotationYaw;
    ent.prevRotationYawHead = ent.rotationYaw;
    GlStateManager.translate(0.0F, 0.0F, 0.0F);
    RenderManager rendermanager = Minecraft.getMinecraft().getRenderManager();
    rendermanager.setPlayerViewY(180.0F);
    rendermanager.setRenderShadow(false);
    rendermanager.doRenderEntity(ent, 0.0D, 0.0D, 0.0D, 0.0F, 1.0F, false);
    rendermanager.setRenderShadow(true);
    ent.renderYawOffset = f;
    ent.rotationYaw = f1;
    ent.rotationPitch = f2;
    ent.prevRotationYawHead = f3;
    ent.rotationYawHead = f4;
    GlStateManager.popMatrix();
    RenderHelper.disableStandardItemLighting();
    GlStateManager.disableRescaleNormal();
    GlStateManager.setActiveTexture(OpenGlHelper.lightmapTexUnit);
    GlStateManager.disableTexture2D();
    GlStateManager.setActiveTexture(OpenGlHelper.defaultTexUnit);
}