[lua] Ported flipX/flipY -> scaleX/scaleY change. See #1142.

spine-corona/main.lua

@@ -25,7 +25,7 @@ function loadSkeleton(atlasFile, jsonFile, x, y, scale, animation, skin)
 	json.scale = scale
 	local skeletonData = json:readSkeletonDataFile("data/" .. jsonFile)
 	local skeleton = spine.Skeleton.new(skeletonData)
-	skeleton.flipY = true -- Corona's coordinate system has its y-axis point downwards
+	skeleton.scaleY = -1 -- Corona's coordinate system has its y-axis point downwards
 	skeleton.group.x = x
 	skeleton.group.y = y
 

spine-love/main.lua

@@ -45,8 +45,7 @@ function loadSkeleton (jsonFile, atlasFile, animation, skin, scale, x, y)
 	local skeleton = spine.Skeleton.new(skeletonData)
 	skeleton.x = x
 	skeleton.y = y
-	skeleton.flipX = false
+	skeleton.scaleY = -1
-	skeleton.flipY = true
 	if skin then
 		skeleton:setSkin(skin)
 	end
@@ -97,13 +96,13 @@ end
 function love.load(arg)
 	if arg[#arg] == "-debug" then require("mobdebug").start() end
 	skeletonRenderer = spine.SkeletonRenderer.new(true)
+	table.insert(skeletons, loadSkeleton("stretchyman-pro", "stretchyman", "sneak", nil, 0.3, 200, 500))
 	table.insert(skeletons, loadSkeleton("coin-pro", "coin", "rotate", nil, 0.5, 400, 500))
 	table.insert(skeletons, loadSkeleton("spineboy-ess", "spineboy", "walk", nil, 0.5, 400, 500))
 	table.insert(skeletons, loadSkeleton("raptor-pro", "raptor", "walk", nil, 0.3, 400, 500))
 	table.insert(skeletons, loadSkeleton("goblins-pro", "goblins", "walk", "goblin", 1, 400, 500))
 	table.insert(skeletons, loadSkeleton("tank-pro", "tank", "drive", nil, 0.2, 600, 500))
 	table.insert(skeletons, loadSkeleton("vine-pro", "vine", "grow", nil, 0.3, 400, 500))
-	table.insert(skeletons, loadSkeleton("stretchyman-pro", "stretchyman", "sneak", nil, 0.3, 200, 500))
 end
 
 function love.update (delta)

spine-lua/AnimationState.lua

@@ -377,7 +377,7 @@ function AnimationState:apply (skeleton)
 	for i,current in pairs(tracks) do
 		if not (current == nil or current.delay > 0) then
       applied = true
-<<<<<<< HEAD
+
 			local blend = current.mixBlend
 			if i == 0 then blend = MixBlend.first end
 
@@ -385,15 +385,6 @@ function AnimationState:apply (skeleton)
 			local mix = current.alpha
 			if current.mixingFrom then
 				mix = mix * self:applyMixingFrom(current, skeleton, blend)
-=======
-			local currrentPose = MixPose.currentLayered
-			if i == 0 then currentPose = MixPose.current end
-
-			-- Apply mixing from entries first.
-			local mix = current.alpha
-			if current.mixingFrom then
-				mix = mix * self:applyMixingFrom(current, skeleton, currentPose)
->>>>>>> 3.6
 			elseif current.trackTime >= current.trackEnd and current.next == nil then
 				mix = 0
 			end
@@ -411,19 +402,13 @@ function AnimationState:apply (skeleton)
 				local firstFrame = #current.timelinesRotation == 0
 				local timelinesRotation = current.timelinesRotation
 
-				for i,timeline in ipairs(timelines) do
+				for ii,timeline in ipairs(timelines) do
-<<<<<<< HEAD
 					local timelineBlend = MixBlend.setup
-					if timelineData[i] == SUBSEQUENT then timelineBlend = blend end
+					if timelineData[ii] == SUBSEQUENT then timelineBlend = blend end
 
-=======
-					local pose = MixPose.currentPose
-					if timelineData[i] >= FIRST then pose = MixPose.setup end
-
->>>>>>> 3.6
 					if timeline.type == Animation.TimelineType.rotate then
-						self:applyRotateTimeline(timeline, skeleton, animationTime, mix, timelineBlend, timelinesRotation, i * 2,
+						self:applyRotateTimeline(timeline, skeleton, animationTime, mix, timelineBlend, timelinesRotation, ii * 2,
-							firstFrame) -- FIXME passing ii * 2, indexing correct?
+							firstFrame)
 					else
 						timeline:apply(skeleton, animationLast, animationTime, events, mix, timelineBlend, MixDirection._in)
 					end
@@ -468,7 +453,6 @@ function AnimationState:applyMixingFrom (to, skeleton, blend)
 		for i,timeline in ipairs(timelines) do
 			timeline:apply(skeleton, animationLast, animationTime, events, alphaMix, blend, MixDirection.out)
 		end
-<<<<<<< HEAD
 	else
 		local timelineData = from.timelineData
 		local timelineDipMix = from.timelineDipMix
@@ -493,13 +477,6 @@ function AnimationState:applyMixingFrom (to, skeleton, blend)
 			elseif timelineData[i] == DIP then
 				timelineBlend = MixBlend.setup
 				alpha = alphaDip
-=======
-
-		if not skipSubsequent then
-			from.totalAlpha = from.totalAlpha + alpha
-			if timeline.type == Animation.TimelineType.rotate then
-				self:applyRotateTimeline(timeline, skeleton, animationTime, alpha, pose, timelinesRotation, i * 2, firstFrame)
->>>>>>> 3.6
 			else
 				timelineBlend = MixBlend.setup
 				local dipMix = timelineDipMix[i]
@@ -525,13 +502,8 @@ function AnimationState:applyMixingFrom (to, skeleton, blend)
 	return mix
 end
 
-<<<<<<< HEAD
 function AnimationState:applyRotateTimeline (timeline, skeleton, time, alpha, blend, timelinesRotation, i, firstFrame)
 	if firstFrame then
-=======
-function AnimationState:applyRotateTimeline (timeline, skeleton, time, alpha, pose, timelinesRotation, i, firstFrame)
-	if firstFrame then
->>>>>>> 3.6
 		timelinesRotation[i] = 0
 		timelinesRotation[i+1] = 0
 	end
@@ -858,13 +830,8 @@ function AnimationState:_animationsChanged ()
 	local mixingTo = self.mixingTo
 
 	for i, entry in pairs(self.tracks) do
-<<<<<<< HEAD
 		if entry and (i == 0 or entry.mixBlend ~= MixBlend.add) then
 			entry:setTimelineData(nil, mixingTo, propertyIDs)
-=======
-		if entry then
-			entry:setTimelineData(nil, mixingTo, propertyIDs)
->>>>>>> 3.6
 		end
 	end
 end

spine-lua/Bone.lua

@@ -96,32 +96,21 @@ function Bone:updateWorldTransformWith (x, y, rotation, scaleX, scaleY, shearX,
 	self.ashearY = shearY
 	self.appliedValid = true
 	
+	local sx = self.skeleton.scaleX;
+	local sy = self.skeleton.scaleY;
+
 	local parent = self.parent
 	if parent == nil then
 		local rotationY = rotation + 90 + shearY
 		local rotationRad = math_rad(rotation + shearX)
 		local rotationYRad = math_rad(rotationY)		
-		local la = math_cos(rotationRad) * scaleX
-		local lb = math_cos(rotationYRad) * scaleY
-		local lc = math_sin(rotationRad) * scaleX
-		local ld = math_sin(rotationYRad) * scaleY
 		local skeleton = self.skeleton
-		if skeleton.flipX then
+		self.a = math_cos(rotationRad) * scaleX * sx
-			x = -x
+		self.b = math_cos(rotationYRad) * scaleY * sy
-			la = -la
+		self.c = math_sin(rotationRad) * scaleX * sx
-			lb = -lb
+		self.d = math_sin(rotationYRad) * scaleY * sy
-		end
+		self.worldX = x * sx + skeleton.x
-		if skeleton.flipY then
+		self.worldY = y * sy + skeleton.y
-			y = -y
-			lc = -lc
-			ld = -ld
-		end
-		self.a = la
-		self.b = lb
-		self.c = lc
-		self.d = ld
-		self.worldX = x + skeleton.x
-		self.worldY = y + skeleton.y
 		return
 	end
 
@@ -176,8 +165,8 @@ function Bone:updateWorldTransformWith (x, y, rotation, scaleX, scaleY, shearX,
 	elseif transformMode == TransformMode.noScale or transformMode == TransformMode.noScaleOrReflection then
 		local cos = math_cos(math_rad(rotation))
 		local sin = math_sin(math_rad(rotation))
-		local za = pa * cos + pb * sin
+		local za = (pa * cos + pb * sin) / sx
-		local zc = pc * cos + pd * sin
+		local zc = (pc * cos + pd * sin) / sy
 		local s = math_sqrt(za * za + zc * zc)
 		if s > 0.00001 then s = 1 / s end
 		za = za * s
@@ -190,27 +179,16 @@ function Bone:updateWorldTransformWith (x, y, rotation, scaleX, scaleY, shearX,
 		local lb = math_cos(math_rad(90 + shearY)) * scaleY;
 		local lc = math_sin(math_rad(shearX)) * scaleX;
 		local ld = math_sin(math_rad(90 + shearY)) * scaleY;
-		local flip = self.skeleton.flipX ~= self.skeleton.flipY
-		if transformMode ~= TransformMode.noScaleOrReflection then flip = pa * pd - pb * pc < 0 end
-		if flip then
-			zb = -zb
-			zd = -zd
-		end
 		self.a = za * la + zb * lc
 		self.b = za * lb + zb * ld
 		self.c = zc * la + zd * lc
 		self.d = zc * lb + zd * ld		
-		return
 	end
 	
-	if self.skeleton.flipX then
+	self.a = self.a * sx
-		self.a = -self.a
+	self.b = self.b * sx
-		self.b = -self.b
+	self.c = self.c * sy
-	end
+	self.d = self.d * sy
-	if self.skeleton.flipY then
-		self.c = -self.c
-		self.d = -self.d
-	end
 end
 
 function Bone:setToSetupPose ()

spine-lua/Skeleton.lua

@@ -63,7 +63,7 @@ function Skeleton.new (data)
 		skin = nil,
 		color = Color.newWith(1, 1, 1, 1),
 		time = 0,
-		flipX = false, flipY = false,
+		scaleX = 1, scaleY = 1,
 		x = 0, y = 0
 	}
 	setmetatable(self, Skeleton)