[1.12] Making a TESR less laggy

[BeardlessBrady]

https://github.com/BeardlessBrady/Currency-Mod/blob/master-2-1.12/src/main/java/beardlessbrady/modcurrency/block/vending/VendingRenderer.java

 

Well working on my TESR I noticed that having even just one of the block lowers my FPS exponentially. Any tips on how I can make it less laggy or other methods of rendering items in-world that'll be less straining?

[DavidM]

1. Because of this:

for(int i = 0; i < 5; i++){
	for(int j = 0; j < 5; j++){
		GlStateManager.translate(-0.9, 0, 0);
		itemRenderer.renderItem(itemStack, ItemCameraTransforms.TransformType.FIXED);

		for(int k = 0; k < 5; k++){
			GlStateManager.translate(0, 0, +0.5);
			itemRenderer.renderItem(itemStack, ItemCameraTransforms.TransformType.FIXED);
		}
		GlStateManager.translate(0, 0, -2.5);
	}
	GlStateManager.translate(4.5, -2, 0);
}

 

2. Check out FastTESR.

[BeardlessBrady]

I know thats the problem. Im asking if you know of a more efficient way to implement it. And I will look into the FastTESR thank you.

 

Basically I want to render the inventory of the block in-world in the model. The apples are just temporary till I get the render working.

Edited February 20, 2019 by BeardlessBrady

[DavidM]

A FastTESR would probably boost your performance significantly, but there will still be some lag as rendering 125 ItemStacks per frame is very demanding on resources.

Edited February 20, 2019 by DavidM

[BeardlessBrady]

I suppose Ill have to move it down to just 25. Unfortunately when using the FastTESR I put the same code in the render method from above in the fastTESR's 'renderTileEntityFast' and it crashes. Any idea why?

[DavidM]

43 minutes ago, BeardlessBrady said:

Unfortunately when using the FastTESR I put the same code in the render method from above in the fastTESR's 'renderTileEntityFast' and it crashes.

FastTESR works differently than TESR. You cannot just copy the code from a normal TESR to a FastTESR.

Checkout: https://mcforge.readthedocs.io/en/latest/tileentities/tesr/#fasttesr

In short: You cannot reference GlStateManager and GLXX in FastTESR.

[V0idWa1k3r]

In addition ItemRenderer#renderItem draws the item into a different buffer than your FastTESR gives you so if you keep using it nothing will change in terms of performance. You will need to upload the bakedmodel of your items to the FastTESR's buffer.

[BeardlessBrady]

How would I go about getting a baked model from an itemstack or get its vertex data?

Edited February 21, 2019 by BeardlessBrady

[Cadiboo]

A baked model is a collection of baked quads which is a collection of vertices. They effectively are vertex data.

 

IBakedModel model = Minecraft.getMinecraft().getRenderItem().getItemModelWithOverrides(stack, (nullable) world, (nullable) facing);
	model = ForgeHooksClient.handleCameraTransforms(model, ItemCameraTransforms.TransformType, false);

[BeardlessBrady]

Thanks, I figured it out!

Edited February 22, 2019 by BeardlessBrady