diff --git a/Assets/FlashTools/Docs/CHANGELOG.md b/Assets/FlashTools/Docs/CHANGELOG.md
index 0e9eb31..a55f4ee 100644
--- a/Assets/FlashTools/Docs/CHANGELOG.md
+++ b/Assets/FlashTools/Docs/CHANGELOG.md
@@ -3,6 +3,7 @@
 * Fix locked elements problem
 * Fix optimizator bitmap trim problems
 * Add shape tween warning
+* Remove excess "if" instruction from shaders
 
 ###### Version 1.3.7
 * Fix multiple import
diff --git a/Assets/FlashTools/Resources/Materials/SwfBaseCG.cginc b/Assets/FlashTools/Resources/Materials/SwfBaseCG.cginc
index 415f147..4d21be8 100644
--- a/Assets/FlashTools/Resources/Materials/SwfBaseCG.cginc
+++ b/Assets/FlashTools/Resources/Materials/SwfBaseCG.cginc
@@ -135,9 +135,8 @@ inline swf_mask_v2f_t swf_mask_vert(swf_mask_appdata_t IN) {
 
 inline fixed4 swf_frag(swf_v2f_t IN) : SV_Target {
 	fixed4 c = tex2D(_MainTex, IN.uv);
-	if ( _ExternalAlpha ) {
-		c.a *= tex2D(_AlphaTex, IN.uv).r;
-	}
+	fixed4 a = tex2D(_AlphaTex, IN.uv).r;
+	c.a = lerp(c.a, a.r, _ExternalAlpha);
 	if ( c.a > 0.01 ) {
 		c = c * IN.mulcolor + IN.addcolor;
 	}
@@ -147,9 +146,8 @@ inline fixed4 swf_frag(swf_v2f_t IN) : SV_Target {
 
 inline fixed4 swf_grab_frag(swf_grab_v2f_t IN) : SV_Target {
 	fixed4 c = tex2D(_MainTex, IN.uv);
-	if ( _ExternalAlpha ) {
-		c.a *= tex2D(_AlphaTex, IN.uv).r;
-	}
+	fixed4 a = tex2D(_AlphaTex, IN.uv).r;
+	c.a = lerp(c.a, a.r, _ExternalAlpha);
 	if ( c.a > 0.01 ) {
 		c = c * IN.mulcolor + IN.addcolor;
 		c = grab_blend(_GrabTexture, IN.screenpos, c);
@@ -160,9 +158,8 @@ inline fixed4 swf_grab_frag(swf_grab_v2f_t IN) : SV_Target {
 
 inline fixed4 swf_mask_frag(swf_mask_v2f_t IN) : SV_Target {
 	fixed4 c = tex2D(_MainTex, IN.uv);
-	if ( _ExternalAlpha ) {
-		c.a *= tex2D(_AlphaTex, IN.uv).r;
-	}
+	fixed4 a = tex2D(_AlphaTex, IN.uv).r;
+	c.a = lerp(c.a, a.r, _ExternalAlpha);
 	if ( c.a < 0.01 ) {
 		discard;
 	}
diff --git a/Assets/FlashTools/Scripts/Editor/FTEditor/Editors/SwfClipAssetPreview.cs b/Assets/FlashTools/Scripts/Editor/FTEditor/Editors/SwfClipAssetPreview.cs
index 04e76c0..02d0206 100644
--- a/Assets/FlashTools/Scripts/Editor/FTEditor/Editors/SwfClipAssetPreview.cs
+++ b/Assets/FlashTools/Scripts/Editor/FTEditor/Editors/SwfClipAssetPreview.cs
@@ -174,13 +174,14 @@ namespace FTEditor.Editors {
 				if ( isTargetValidForPreview ) {
 					_previewUtils.BeginPreview(r, background);
 					{
-						if ( targetAtlas ) {
-							_matPropBlock.SetTexture("_MainTex", targetAtlas);
-						}
+						_matPropBlock.SetTexture(
+							"_MainTex",
+							targetAtlas ? targetAtlas : Texture2D.whiteTexture);
 						if ( targetAtlasA ) {
 							_matPropBlock.SetTexture("_AlphaTex", targetAtlasA);
 							_matPropBlock.SetFloat("_ExternalAlpha", 1.0f);
 						} else {
+							_matPropBlock.SetTexture("_AlphaTex", Texture2D.whiteTexture);
 							_matPropBlock.SetFloat("_ExternalAlpha", 0.0f);
 						}
 						ConfigureCameraForSequence(_previewUtils.m_Camera, targetSequence);
diff --git a/Assets/FlashTools/Scripts/FTRuntime/SwfClip.cs b/Assets/FlashTools/Scripts/FTRuntime/SwfClip.cs
index 677338f..0f7798b 100644
--- a/Assets/FlashTools/Scripts/FTRuntime/SwfClip.cs
+++ b/Assets/FlashTools/Scripts/FTRuntime/SwfClip.cs
@@ -348,13 +348,14 @@ namespace FTRuntime {
 				var sprite = clip ? clip.Sprite : null;
 				var atlas  = sprite && sprite.texture ? sprite.texture : Texture2D.whiteTexture;
 				var atlasA = sprite ? sprite.associatedAlphaSplitTexture : null;
-				if ( atlas ) {
-					_curPropBlock.SetTexture("_MainTex", atlas);
-				}
+				_curPropBlock.SetTexture(
+					"_MainTex",
+					atlas ? atlas : Texture2D.whiteTexture);
 				if ( atlasA ) {
 					_curPropBlock.SetTexture("_AlphaTex", atlasA);
 					_curPropBlock.SetFloat("_ExternalAlpha", 1.0f);
 				} else {
+					_curPropBlock.SetTexture("_AlphaTex", Texture2D.whiteTexture);
 					_curPropBlock.SetFloat("_ExternalAlpha", 0.0f);
 				}
 				_meshRenderer.SetPropertyBlock(_curPropBlock);
diff --git a/ProjectStuff/FlashTools.org b/ProjectStuff/FlashTools.org
index 15aa127..4930d46 100644
--- a/ProjectStuff/FlashTools.org
+++ b/ProjectStuff/FlashTools.org
@@ -53,7 +53,7 @@ https://gist.github.com/talecrafter/111ea3345911bd238f4998b4d5a04bf3
 *** Улучшения
 **** DONE Ворнинг на shape-tween
 **** TODO Интеграция с автобилдами
-**** TODO Избавиться от условия на _ExternalAlpha
+**** DONE Избавиться от условия на _ExternalAlpha
 **** TODO Добавить возможность брать bounds у клипа
 **** TODO Не реимпортить на каждый чих анимацию, хранить хэш
 dipyalov: фишка в том, что swf обновился, но и собранные ассеты-то тоже обновились