{
	"name": "custom_uv",
	"node_position": {
		"x": 0,
		"y": 0
	},
	"parameters": {
		"inputs": 0,
		"rotate": 0,
		"scale": 0,
		"sx": 1,
		"sy": 1
	},
	"shader_model": {
		"code": "vec3 $(name_uv)_map = $map($uv);\nfloat $(name_uv)_rnd =  float($seed)+$(name_uv)_map.z;\n",
		"global": "vec2 get_from_tileset(float count, float seed, vec2 uv) {\n\treturn clamp((uv+floor(rand2(vec2(seed))*count))/count, vec2(0.0), vec2(1.0));\n}\n\nvec2 custom_uv_transform(vec2 uv, vec2 cst_scale, float rnd_rotate, float rnd_scale, vec2 seed) {\n\tseed = rand2(seed);\n\tuv -= vec2(0.5);\n\tfloat angle = (seed.x * 2.0 - 1.0) * rnd_rotate;\n\tfloat ca = cos(angle);\n\tfloat sa = sin(angle);\n\tuv = vec2(ca*uv.x+sa*uv.y, -sa*uv.x+ca*uv.y);\n\tuv *= (seed.y-0.5)*2.0*rnd_scale+1.0;\n\tuv /= cst_scale;\n\tuv += vec2(0.5);\n\treturn uv;\n}\n",
		"inputs": [
			{
				"default": "vec4(1.0)",
				"label": "Input",
				"longdesc": "The image or atlas of images to be remapped.",
				"name": "in",
				"shortdesc": "Input",
				"type": "rgba"
			},
			{
				"default": "vec3(1.0)",
				"label": "UV",
				"longdesc": "The custom UV map to be used for remapping.",
				"name": "map",
				"shortdesc": "Map",
				"type": "rgb"
			}
		],
		"instance": "",
		"longdesc": "Remaps an Input image using a custom UV map.",
		"name": "Custom UV",
		"outputs": [
			{
				"longdesc": "Shows the remapped image",
				"rgba": "$in(get_from_tileset($inputs, $(name_uv)_rnd, custom_uv_transform($(name_uv)_map.xy, vec2($sx, $sy), $rotate*0.01745329251, $scale, vec2($(name_uv)_map.z, float($seed)))))",
				"shortdesc": "Output",
				"type": "rgba"
			}
		],
		"parameters": [
			{
				"default": 0,
				"label": "Inputs",
				"longdesc": "The input type of the node:\n- 1: single image\n- 4: atlas of 4 images\n- 16: atlas of 16 images\nAtlases can be created using the Tile2x2 node.",
				"name": "inputs",
				"shortdesc": "Inputs",
				"type": "enum",
				"values": [
					{
						"name": "1",
						"value": "1.0"
					},
					{
						"name": "4",
						"value": "2.0"
					},
					{
						"name": "16",
						"value": "4.0"
					}
				]
			},
			{
				"control": "None",
				"default": 1,
				"label": "Scale X",
				"longdesc": "The scale of the input image along the X axis.",
				"max": 5,
				"min": 0,
				"name": "sx",
				"shortdesc": "Scale.x",
				"step": 0.01,
				"type": "float"
			},
			{
				"control": "None",
				"default": 1,
				"label": "Scale Y",
				"longdesc": "The scale of the input image along the Y axis.",
				"max": 5,
				"min": 0,
				"name": "sy",
				"shortdesc": "Scale.y",
				"step": 0.01,
				"type": "float"
			},
			{
				"control": "None",
				"default": 0,
				"label": "Rnd Rotate",
				"longdesc": "The random rotation applied to each remapped instance.",
				"max": 180,
				"min": 0,
				"name": "rotate",
				"shortdesc": "RndRotate",
				"step": 0.1,
				"type": "float"
			},
			{
				"control": "None",
				"default": 0.5,
				"label": "Rnd Scale",
				"longdesc": "The random scale applied to each remapped instance.",
				"max": 1,
				"min": 0,
				"name": "scale",
				"shortdesc": "RndScale",
				"step": 0.01,
				"type": "float"
			}
		],
		"shortdesc": "Custom UV remapper"
	},
	"type": "shader"
}