diff --git a/spine-c/include/spine/SlotData.h b/spine-c/include/spine/SlotData.h
index 8a200d1e4..b5f3b0672 100644
--- a/spine-c/include/spine/SlotData.h
+++ b/spine-c/include/spine/SlotData.h
@@ -45,6 +45,7 @@ typedef struct {
 	const BoneData* const boneData;
 	const char* const attachmentName;
 	float r, g, b, a;
+	int/*bool*/additiveBlending;
 } SlotData;
 
 SlotData* SlotData_create (const char* name, BoneData* boneData);
diff --git a/spine-c/src/spine/Animation.c b/spine-c/src/spine/Animation.c
index dcb6e6b1e..da304f5e7 100644
--- a/spine-c/src/spine/Animation.c
+++ b/spine-c/src/spine/Animation.c
@@ -504,8 +504,6 @@ void AttachmentTimeline_setFrame (AttachmentTimeline* self, int frameIndex, floa
 
 /**/
 
-#include <stdio.h>
-
 void _DrawOrderTimeline_apply (const Timeline* timeline, Skeleton* skeleton, float time, float alpha) {
 	int i;
 	int frameIndex;
diff --git a/spine-c/src/spine/Json.c b/spine-c/src/spine/Json.c
index f2ded6ae5..ef19a6915 100644
--- a/spine-c/src/spine/Json.c
+++ b/spine-c/src/spine/Json.c
@@ -355,5 +355,5 @@ float Json_getFloat (Json* value, const char* name, float defaultValue) {
 
 int Json_getInt (Json* value, const char* name, int defaultValue) {
 	value = Json_getItem(value, name);
-	return value ? (int)value->valueFloat : defaultValue;
+	return value ? value->valueInt : defaultValue;
 }
diff --git a/spine-c/src/spine/SkeletonJson.c b/spine-c/src/spine/SkeletonJson.c
index 038fefb3b..dd958d757 100644
--- a/spine-c/src/spine/SkeletonJson.c
+++ b/spine-c/src/spine/SkeletonJson.c
@@ -326,6 +326,8 @@ SkeletonData* SkeletonJson_readSkeletonData (SkeletonJson* self, const char* jso
 		boneData->rotation = Json_getFloat(boneMap, "rotation", 0);
 		boneData->scaleX = Json_getFloat(boneMap, "scaleX", 1);
 		boneData->scaleY = Json_getFloat(boneMap, "scaleY", 1);
+		boneData->inheritScale = Json_getInt(boneMap, "inheritScale", 1);
+		boneData->inheritRotation = Json_getInt(boneMap, "inheritRotation", 1);
 
 		skeletonData->bones[i] = boneData;
 		++skeletonData->boneCount;
@@ -360,6 +362,8 @@ SkeletonData* SkeletonJson_readSkeletonData (SkeletonJson* self, const char* jso
 			attachmentItem = Json_getItem(slotMap, "attachment");
 			if (attachmentItem) SlotData_setAttachmentName(slotData, attachmentItem->valueString);
 
+			slotData->additiveBlending = Json_getInt(slotMap, "additive", 0);
+
 			skeletonData->slots[i] = slotData;
 			++skeletonData->slotCount;
 		}
diff --git a/spine-sfml/src/spine/spine-sfml.cpp b/spine-sfml/src/spine/spine-sfml.cpp
index b101184a1..30338b01f 100644
--- a/spine-sfml/src/spine/spine-sfml.cpp
+++ b/spine-sfml/src/spine/spine-sfml.cpp
@@ -87,12 +87,22 @@ void SkeletonDrawable::update (float deltaTime) {
 
 void SkeletonDrawable::draw (RenderTarget& target, RenderStates states) const {
 	vertexArray->clear();
+	states.blendMode = BlendAlpha;
+
 	float vertexPositions[8];
 	for (int i = 0; i < skeleton->slotCount; ++i) {
 		Slot* slot = skeleton->drawOrder[i];
 		Attachment* attachment = slot->attachment;
 		if (!attachment || attachment->type != ATTACHMENT_REGION) continue;
 		RegionAttachment* regionAttachment = (RegionAttachment*)attachment;
+
+		BlendMode blend = slot->data->additiveBlending ? BlendAdd : BlendAlpha;
+		if (states.blendMode != blend) {
+			target.draw(*vertexArray, states);
+			vertexArray->clear();
+			states.blendMode = blend;
+		}
+
 		RegionAttachment_computeVertices(regionAttachment, slot->skeleton->x, slot->skeleton->y, slot->bone, vertexPositions);
 
 		Uint8 r = skeleton->r * slot->r * 255;