import { Chunk, Dimension } from "$/client/components/dimension.ts";
import { Camera } from "$/client/components/camera.ts";
import { flush_buffer, set_current_texture } from "$/client/renderer/mod.ts";

export function render_dimension(dimension: Dimension, _camera: Camera) {
	dimension.request_meshes();

	set_current_texture(dimension.image.tex);

	for (const chunk of dimension.chunks.values()) {
		render_chunk_opaque(chunk);
	}

	for (const chunk of dimension.chunks.values()) {
		render_chunk_transparent(chunk);
	}
}

function render_chunk_opaque(chunk: Chunk) {
	if (!chunk.opaque_vertex_buffer || !chunk.opaque_vertex_count) {
		return;
	}

	flush_buffer(chunk.opaque_vertex_buffer, chunk.opaque_vertex_count);
}

function render_chunk_transparent(chunk: Chunk) {
	if (!chunk.transparent_vertex_buffer || !chunk.transparent_vertex_count) {
		return;
	}

	flush_buffer(chunk.transparent_vertex_buffer, chunk.transparent_vertex_count);
}