[ue4] Skeletons in SpineWidget are centered now. Closes #1329.

spine-ue4/Content/GettingStarted/Assets/Raptor/raptor.atlas

@@ -1,250 +1,271 @@
 
 raptor.png
-size: 1022,1022
+size: 1024,512
 format: RGBA8888
 filter: Linear,Linear
 repeat: none
-back_arm
+back-arm
   rotate: false
-  xy: 410, 545
+  xy: 895, 295
-  size: 46, 29
+  size: 46, 25
-  orig: 46, 29
+  orig: 46, 25
   offset: 0, 0
   index: -1
-back_bracer
+back-bracer
-  rotate: false
+  rotate: true
-  xy: 540, 548
+  xy: 992, 216
   size: 39, 28
   orig: 39, 28
   offset: 0, 0
   index: -1
-back_hand
+back-hand
-  rotate: true
+  rotate: false
-  xy: 504, 538
+  xy: 594, 58
   size: 36, 34
   orig: 36, 34
   offset: 0, 0
   index: -1
-back_knee
+back-knee
-  rotate: false
+  rotate: true
-  xy: 299, 478
+  xy: 729, 86
   size: 49, 67
   orig: 49, 67
   offset: 0, 0
   index: -1
-back_thigh
+back-thigh
-  rotate: true
+  rotate: false
-  xy: 140, 247
+  xy: 379, 2
   size: 39, 24
   orig: 39, 24
   offset: 0, 0
   index: -1
-eyes_open
+eyes-open
   rotate: true
-  xy: 2, 2
+  xy: 902, 194
   size: 47, 45
   orig: 47, 45
   offset: 0, 0
   index: -1
-front_arm
+front-arm
   rotate: false
-  xy: 360, 544
+  xy: 945, 306
-  size: 48, 30
+  size: 48, 26
-  orig: 48, 30
+  orig: 48, 26
   offset: 0, 0
   index: -1
-front_bracer
+front-bracer
   rotate: false
-  xy: 538, 578
+  xy: 949, 197
   size: 41, 29
   orig: 41, 29
   offset: 0, 0
   index: -1
-front_hand
+front-hand
   rotate: false
-  xy: 538, 609
+  xy: 949, 266
   size: 41, 38
   orig: 41, 38
   offset: 0, 0
   index: -1
-front_open_hand
+front-open-hand
   rotate: false
-  xy: 894, 782
+  xy: 875, 148
   size: 43, 44
   orig: 43, 44
   offset: 0, 0
   index: -1
-front_thigh
+front-thigh
-  rotate: false
+  rotate: true
-  xy: 942, 849
+  xy: 793, 171
   size: 57, 29
   orig: 57, 29
   offset: 0, 0
   index: -1
 gun
-  rotate: false
+  rotate: true
-  xy: 785, 774
+  xy: 379, 28
   size: 107, 103
   orig: 107, 103
   offset: 0, 0
   index: -1
-gun_nohand
+gun-nohand
   rotate: false
-  xy: 614, 703
+  xy: 487, 87
   size: 105, 102
   orig: 105, 102
   offset: 0, 0
   index: -1
 head
   rotate: false
-  xy: 2, 137
+  xy: 807, 361
   size: 136, 149
   orig: 136, 149
   offset: 0, 0
   index: -1
-lower_leg
+lower-leg
-  rotate: true
+  rotate: false
-  xy: 780, 699
+  xy: 827, 195
   size: 73, 98
   orig: 73, 98
   offset: 0, 0
   index: -1
-mouth_smile
+mouth-grind
   rotate: true
-  xy: 49, 2
+  xy: 920, 145
+  size: 47, 30
+  orig: 47, 30
+  offset: 0, 0
+  index: -1
+mouth-smile
+  rotate: true
+  xy: 992, 257
   size: 47, 30
   orig: 47, 30
   offset: 0, 0
   index: -1
 neck
-  rotate: true
+  rotate: false
-  xy: 1001, 860
+  xy: 359, 114
   size: 18, 21
   orig: 18, 21
   offset: 0, 0
   index: -1
-raptor_arm_back
+raptor-back-arm
   rotate: false
-  xy: 940, 936
+  xy: 653, 142
   size: 82, 86
   orig: 82, 86
   offset: 0, 0
   index: -1
-raptor_body
+raptor-body
   rotate: false
-  xy: 2, 737
+  xy: 2, 277
-  size: 610, 285
+  size: 632, 233
-  orig: 610, 285
+  orig: 632, 233
   offset: 0, 0
   index: -1
-raptor_front_arm
+raptor-front-arm
   rotate: true
-  xy: 195, 464
+  xy: 484, 4
   size: 81, 102
   orig: 81, 102
   offset: 0, 0
   index: -1
-raptor_front_leg
+raptor-front-leg
   rotate: false
-  xy: 2, 478
+  xy: 2, 18
   size: 191, 257
   orig: 191, 257
   offset: 0, 0
   index: -1
-raptor_hindleg_back
+raptor-hindleg-back
   rotate: false
-  xy: 614, 807
+  xy: 636, 295
   size: 169, 215
   orig: 169, 215
   offset: 0, 0
   index: -1
-raptor_horn
+raptor-horn
   rotate: false
-  xy: 360, 655
+  xy: 195, 22
   size: 182, 80
   orig: 182, 80
   offset: 0, 0
   index: -1
-raptor_horn_back
+raptor-horn-back
-  rotate: false
+  rotate: true
-  xy: 360, 576
+  xy: 945, 334
   size: 176, 77
   orig: 176, 77
   offset: 0, 0
   index: -1
-raptor_jaw
+raptor-jaw
   rotate: false
-  xy: 785, 879
+  xy: 359, 137
-  size: 153, 143
+  size: 126, 138
-  orig: 153, 143
+  orig: 126, 138
   offset: 0, 0
   index: -1
-raptor_saddle_noshadow
+raptor-jaw-tooth
-  rotate: false
-  xy: 2, 288
-  size: 163, 188
-  orig: 163, 188
-  offset: 0, 0
-  index: -1
-raptor_saddle_strap_front
-  rotate: false
-  xy: 721, 710
-  size: 57, 95
-  orig: 57, 95
-  offset: 0, 0
-  index: -1
-raptor_saddle_strap_rear
   rotate: true
-  xy: 940, 880
+  xy: 895, 322
+  size: 37, 48
+  orig: 37, 48
+  offset: 0, 0
+  index: -1
+raptor-mouth-inside
+  rotate: true
+  xy: 949, 228
+  size: 36, 41
+  orig: 36, 41
+  offset: 0, 0
+  index: -1
+raptor-saddle-strap-back
+  rotate: true
+  xy: 653, 86
   size: 54, 74
   orig: 54, 74
   offset: 0, 0
   index: -1
-raptor_saddle_w_shadow
+raptor-saddle-strap-front
   rotate: false
-  xy: 195, 547
+  xy: 594, 94
-  size: 163, 188
+  size: 57, 95
-  orig: 163, 188
+  orig: 57, 95
   offset: 0, 0
   index: -1
-raptor_tongue
+raptor-saddle-w-shadow
-  rotate: true
+  rotate: false
-  xy: 544, 649
+  xy: 195, 104
+  size: 162, 171
+  orig: 162, 171
+  offset: 0, 0
+  index: -1
+raptor-tail-shadow
+  rotate: false
+  xy: 636, 230
+  size: 189, 63
+  orig: 189, 63
+  offset: 0, 0
+  index: -1
+raptor-tongue
+  rotate: false
+  xy: 807, 295
   size: 86, 64
   orig: 86, 64
   offset: 0, 0
   index: -1
-stirrup_back
+stirrup-back
-  rotate: false
+  rotate: true
-  xy: 458, 539
+  xy: 952, 151
   size: 44, 35
   orig: 44, 35
   offset: 0, 0
   index: -1
-stirrup_front
+stirrup-front
-  rotate: true
+  rotate: false
-  xy: 81, 4
+  xy: 902, 243
   size: 45, 50
   orig: 45, 50
   offset: 0, 0
   index: -1
-stirrup_strap
+stirrup-strap
-  rotate: true
+  rotate: false
-  xy: 894, 828
+  xy: 824, 147
   size: 49, 46
   orig: 49, 46
   offset: 0, 0
   index: -1
 torso
-  rotate: true
+  rotate: false
-  xy: 610, 647
+  xy: 737, 137
   size: 54, 91
   orig: 54, 91
   offset: 0, 0
   index: -1
 visor
   rotate: false
-  xy: 2, 51
+  xy: 487, 191
   size: 131, 84
   orig: 131, 84
   offset: 0, 0

spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SSpineWidget.cpp

@@ -172,9 +172,11 @@ void SSpineWidget::Flush(int32 LayerId, FSlateWindowElementList& OutDrawElements
 	SSpineWidget* self = (SSpineWidget*)this;
 
 	const FVector2D widgetSize = AllottedGeometry.GetDrawSize();
-	const float setupScale = (widgetSize / FVector2D(boundsSize.X, boundsSize.Y)).GetMin();
+	const FVector2D sizeScale = widgetSize / FVector2D(boundsSize.X, boundsSize.Y);
+	const float setupScale = sizeScale.GetMin();
+
 	for (int i = 0; i < Vertices.Num(); i++) {
-		Vertices[i] = (Vertices[i] - FVector(boundsMin.X, -(boundsMin.Y + boundsSize.Y), 0)) * setupScale * widget->Scale;
+		Vertices[i] = (Vertices[i] + FVector(-boundsMin.X - boundsSize.X / 2, boundsMin.Y + boundsSize.Y / 2, 0)) * setupScale * widget->Scale + FVector(widgetSize.X / 2, widgetSize.Y / 2, 0);
 	}
 	
 	self->renderData.IndexData.SetNumUninitialized(Indices.Num());
@@ -186,9 +188,6 @@ void SSpineWidget::Flush(int32 LayerId, FSlateWindowElementList& OutDrawElements
 	FVector2D offset = AllottedGeometry.AbsolutePosition;
 	FColor white = FColor(0xffffffff);
 
-	float width = AllottedGeometry.GetAbsoluteSize().X;
-	float height = AllottedGeometry.GetAbsoluteSize().Y;
-
 	for (size_t i = 0; i < (size_t)Vertices.Num(); i++) {
 		setVertex(&vertexData[i], Vertices[i].X, Vertices[i].Y, Uvs[i].X, Uvs[i].Y, Colors[i], offset);
 	}