From 4cb634bd8ba5eb945112488632cbf2cd49eba2f9 Mon Sep 17 00:00:00 2001
From: Tanasart <tanasart_pt@outlook.co.th>
Date: Thu, 11 Jul 2024 14:23:34 +0700
Subject: [PATCH] - [Invert] Add option to invert alpha.

---
 scripts/node_invert/node_invert.gml | 26 ++++++++++++--------------
 scripts/vectorBox/vectorBox.gml     |  2 +-
 shaders/sh_invert/sh_invert.fsh     |  9 +++++----
 3 files changed, 18 insertions(+), 19 deletions(-)

diff --git a/scripts/node_invert/node_invert.gml b/scripts/node_invert/node_invert.gml
index 1657c3af8..87633d73d 100644
--- a/scripts/node_invert/node_invert.gml
+++ b/scripts/node_invert/node_invert.gml
@@ -16,7 +16,9 @@ function Node_Invert(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) co
 		
 	__init_mask_modifier(1); // inputs 5, 6
 	
-	input_display_list = [ 3, 4, 
+	inputs[| 7] = nodeValue("Include Alpha", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
+	
+	input_display_list = [ 3, 4, 7, 
 		["Surfaces",	 true], 0, 1, 2, 5, 6, 
 	]
 	
@@ -24,26 +26,22 @@ function Node_Invert(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) co
 	
 	attribute_surface_depth();
 	
-	static step = function() { #region
+	static step = function() {
 		__step_mask_modifier();
-	} #endregion
+	}
 	
-	static processData = function(_outSurf, _data, _output_index, _array_index) { #region	
-		surface_set_target(_outSurf);
-		DRAW_CLEAR
-		BLEND_OVERRIDE;
-		
-		shader_set(sh_invert);
+	static processData = function(_outSurf, _data, _output_index, _array_index) {	
+	
+		surface_set_shader(_outSurf, sh_invert);
+			shader_set_i("alpha", _data[7]);
+			
 			draw_surface_safe(_data[0]);
-		shader_reset();
-		
-		BLEND_NORMAL;
-		surface_reset_target();
+		surface_reset_shader();
 		
 		__process_mask_modifier(_data);
 		_outSurf = mask_apply(_data[0], _outSurf, _data[1], _data[2]);
 		_outSurf = channel_apply(_data[0], _outSurf, _data[4]);
 		
 		return _outSurf;
-	} #endregion
+	}
 }
\ No newline at end of file
diff --git a/scripts/vectorBox/vectorBox.gml b/scripts/vectorBox/vectorBox.gml
index 213cfb1cc..0c478f861 100644
--- a/scripts/vectorBox/vectorBox.gml
+++ b/scripts/vectorBox/vectorBox.gml
@@ -118,7 +118,7 @@ function vectorBox(_size, _onModify, _unit = noone) : widget() constructor {
 		var sz  = min(size, array_length(_data));
 		var _bs = min(_h, ui(32));
 		
-		if(unit) for(var i = 0; i < sz; i++) tb[i].slide_int = unit.mode == VALUE_UNIT.constant? true : false;
+		if(unit && unit.reference != noone) for(var i = 0; i < sz; i++) tb[i].slide_int = unit.mode == VALUE_UNIT.constant? true : false;
 		
 		if((_w - _bs) / sz > ui(48)) {
 			if(side_button) {
diff --git a/shaders/sh_invert/sh_invert.fsh b/shaders/sh_invert/sh_invert.fsh
index 40b7a2c39..424093005 100644
--- a/shaders/sh_invert/sh_invert.fsh
+++ b/shaders/sh_invert/sh_invert.fsh
@@ -1,10 +1,11 @@
-//
-// Simple passthrough fragment shader
-//
 varying vec2 v_vTexcoord;
 varying vec4 v_vColour;
 
+uniform int alpha;
+
 void main() {
 	vec4 c = texture2D( gm_BaseTexture, v_vTexcoord );
-    gl_FragColor = vec4(1. - c.rgb, c.a);
+	
+		 if(alpha == 0) gl_FragColor = vec4(1. - c.rgb, c.a);
+	else if(alpha == 1) gl_FragColor = 1. - c;
 }