From a850af674ff578b22775169d42f01ccce0ad519e Mon Sep 17 00:00:00 2001
From: RodZill4 <rodzilla@free.fr>
Date: Tue, 7 Jan 2020 22:17:14 +0100
Subject: [PATCH] Added min ad max options to the greyscale node

---
 addons/material_maker/nodes/greyscale.mmg | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/addons/material_maker/nodes/greyscale.mmg b/addons/material_maker/nodes/greyscale.mmg
index 01d0111..7941ae8 100644
--- a/addons/material_maker/nodes/greyscale.mmg
+++ b/addons/material_maker/nodes/greyscale.mmg
@@ -12,7 +12,7 @@
 	},
 	"shader_model": {
 		"code": "",
-		"global": "float gs_lightness(vec3 c) {\n\treturn 0.5*(max(c.r, max(c.g, c.b)) + min(c.r, min(c.g, c.b)));\n}\nfloat gs_average(vec3 c) {\n\treturn 0.333333333333*(c.r + c.g + c.b);\n}\nfloat gs_luminosity(vec3 c) {\n\treturn 0.21 * c.r + 0.72 * c.g + 0.07 * c.b;\n}\n",
+		"global": "float gs_min(vec3 c) {\n\treturn min(c.r, min(c.g, c.b));\n}\nfloat gs_max(vec3 c) {\n\treturn max(c.r, max(c.g, c.b));\n}\nfloat gs_lightness(vec3 c) {\n\treturn 0.5*(max(c.r, max(c.g, c.b)) + min(c.r, min(c.g, c.b)));\n}\nfloat gs_average(vec3 c) {\n\treturn 0.333333333333*(c.r + c.g + c.b);\n}\nfloat gs_luminosity(vec3 c) {\n\treturn 0.21 * c.r + 0.72 * c.g + 0.07 * c.b;\n}\n",
 		"inputs": [
 			{
 				"default": "vec3(0.0)",
@@ -31,7 +31,7 @@
 		],
 		"parameters": [
 			{
-				"default": 2,
+				"default": 4,
 				"label": "",
 				"name": "mode",
 				"type": "enum",
@@ -47,6 +47,14 @@
 					{
 						"name": "Luminosity",
 						"value": "luminosity"
+					},
+					{
+						"name": "Min",
+						"value": "min"
+					},
+					{
+						"name": "Max",
+						"value": "max"
 					}
 				]
 			}