Forge Blockstates V2

{
    "forge-marker": 2,
    "properties": { // Used to permutate to a vanilla property string.
        "north": [ "true", "false" ]
        "east": [ "true", "false" ]
        "south": [ "true", "false" ]
        "west": [ "true", "false" ]
        "up": [ "true", "false" ]
    },
    "variants": [ "inventory" ],
    "matchers": [   // Matches in various ways to vanilla property strings. The order defines what priority each match has, last ones overriding.
        {   // If no matcher type is specified, this will match anything.
            "textures": {"wall": "blocks/cobblestone"},
            "model": "cobblestone_wall_post",
            "uvlock": true
        },
        {
            "type": "properties", "match": "north",
            "variants": {
                "true": { "submodel": "forgeblockstatesloader:wall_connect" }
            }
        },
        {
            "type": "properties", "match": "east",
            "variants": {
                "true": {"submodel": "forgeblockstatesloader:wall_connect", "y": 90}
            }
        },
        {
            "type": "properties", "match": "south",
            "variants": {
                "true": {"submodel": "forgeblockstatesloader:wall_connect", "y": 180}
            }
        },
        {
            "type": "properties", "match": "west",
            "variants": {
                "true": {"submodel": "forgeblockstatesloader:wall_connect", "y": 270}
            }
        },
        {
            "type": "properties", "match": "east,west",
            "variants": {
                "true,true": {"submodel": "forgeblockstatesloader:wall_connect", "y": 270}
            }
        },
        {
            "type": "properties", "match": "north,south",
            "variants": {
                "true,true": {"model": null}
            }
        },
        {
            "type": "variant", "match": "inventory",
            "variants": {
                "true": {
                    submodel: {
                        "north": { "model": "forgeblockstatesloader:wall_connect" },
                        "south": { "model": "forgeblockstatesloader:wall_connect", "y": 180 }
                    },
                    "transform": "forge:default-block"
                }
            }
        }
    ]
}