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[lua] Ported additive blending, see #1060, see #1029

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This commit is contained in:
badlogic 2018-01-29 15:37:13 +01:00
parent 713f43a247
commit 54e99f1454
4 changed files with 335 additions and 200 deletions
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8
spine-corona/main.lua
View File

@ -81,12 +81,12 @@ function loadSkeleton(atlasFile, jsonFile, x, y, scale, animation, skin)
return { skeleton = skeleton, state = animationState }
end
-- table.insert(skeletons, loadSkeleton("coin.atlas", "coin-pro.json", 240, 300, 0.4, "rotate"))
-- table.insert(skeletons, loadSkeleton("spineboy.atlas", "spineboy-ess.json", 240, 300, 0.4, "walk"))
table.insert(skeletons, loadSkeleton("coin.atlas", "coin-pro.json", 240, 300, 0.4, "rotate"))
table.insert(skeletons, loadSkeleton("spineboy.atlas", "spineboy-ess.json", 240, 300, 0.4, "walk"))
table.insert(skeletons, loadSkeleton("raptor.atlas", "raptor-pro.json", 200, 300, 0.25, "walk"))
-- table.insert(skeletons, loadSkeleton("goblins.atlas", "goblins-pro.json", 240, 300, 0.8, "walk", "goblin"))
table.insert(skeletons, loadSkeleton("goblins.atlas", "goblins-pro.json", 240, 300, 0.8, "walk", "goblin"))
table.insert(skeletons, loadSkeleton("stretchyman.atlas", "stretchyman-pro.json", 40, 300, 0.5, "sneak"))
-- table.insert(skeletons, loadSkeleton("tank.atlas", "tank-pro.json", 400, 300, 0.2, "drive"))
table.insert(skeletons, loadSkeleton("tank.atlas", "tank-pro.json", 400, 300, 0.2, "drive"))
table.insert(skeletons, loadSkeleton("vine.atlas", "vine-pro.json", 240, 300, 0.3, "grow"))
local triangulator = spine.Triangulator.new()

316
spine-lua/Animation.lua
View File

@ -54,7 +54,7 @@ function Animation.new (name, timelines, duration)
duration = duration
}
function self:apply (skeleton, lastTime, time, loop, events, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, loop, events, alpha, blend, direction)
if not skeleton then error("skeleton cannot be nil.", 2) end
if loop and duration > 0 then
@ -63,7 +63,7 @@ function Animation.new (name, timelines, duration)
end
for i,timeline in ipairs(self.timelines) do
timeline:apply(skeleton, lastTime, time, events, alpha, pose, direction)
timeline:apply(skeleton, lastTime, time, events, alpha, blend, direction)
end
end
@ -113,12 +113,13 @@ local function linearSearch (values, target, step)
return -1
end
Animation.MixPose = {
Animation.MixBlend = {
setup = 0,
current = 1,
currentLayered = 2
first = 1,
replace = 2,
add = 3
}
local MixPose = Animation.MixPose
local MixBlend = Animation.MixBlend
Animation.MixDirection = {
_in = 0, out = 1
@ -255,28 +256,30 @@ function Animation.RotateTimeline.new (frameCount)
self.frames[frameIndex + ROTATION] = degrees
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local bone = skeleton.bones[self.boneIndex]
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup then
bone.rotation = bone.data.rotation
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
local r = bone.data.rotation - bone.rotation
r = r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360 -- Wrap within -180 and 180.
bone.rotation = bone.rotation + r * alpha
bone.rotation = bone.rotation + (r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360) * alpha
end
return
end
if time >= frames[zlen(frames) - ENTRIES] then -- Time is after last frame.
if pose == MixPose.setup then
bone.rotation = bone.data.rotation + frames[zlen(frames) + PREV_ROTATION] * alpha
else
local r = bone.data.rotation + frames[zlen(frames) + PREV_ROTATION] - bone.rotation
local r = frames[zlen(frames) + PREV_ROTATION]
if blend == MixBlend.setup then
bone.rotation = bone.data.rotation + r * alpha
elseif blend == MixBlend.first or blend == MixBlend.replace then
r = r + bone.data.rotation - bone.rotation
r = r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360 -- Wrap within -180 and 180.
bone.rotation = bone.rotation + r * alpha;
elseif blend == MixBlend.add then
bone.rotation = bone.rotation + r * alpha;
end
return;
end
@ -288,15 +291,14 @@ function Animation.RotateTimeline.new (frameCount)
local percent = self:getCurvePercent((math.floor(frame / 2)) - 1, 1 - (time - frameTime) / (frames[frame + PREV_TIME] - frameTime))
local r = frames[frame + ROTATION] - prevRotation
r = r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360
r = prevRotation + r * percent
if pose == MixPose.setup then
r = r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360
bone.rotation = bone.data.rotation + r * alpha
else
r = bone.data.rotation + r - bone.rotation;
r = r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360
bone.rotation = bone.rotation + r * alpha
r = prevRotation + (r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360) * percent
if blend == MixBlend.setup then
bone.rotation = bone.data.rotation + (r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360) * alpha
elseif blend == MixBlend.first or blend == MixBlend.replace then
r = r + bone.data.rotation - bone.rotation;
bone.rotation = bone.rotation + (r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360) * alpha
elseif blend == MixBlend.add then
bone.rotation = bone.rotation + (r - (16384 - math_floor(16384.499999999996 - r / 360)) * 360) * alpha
end
end
@ -329,15 +331,15 @@ function Animation.TranslateTimeline.new (frameCount)
self.frames[frameIndex + Y] = y
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local bone = skeleton.bones[self.boneIndex]
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup then
bone.x = bone.data.x
bone.y = bone.data.y
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
bone.x = bone.x + (bone.data.x - bone.x) * alpha
bone.y = bone.y + (bone.data.y - bone.y) * alpha
end
@ -361,12 +363,15 @@ function Animation.TranslateTimeline.new (frameCount)
x = x + (frames[frame + X] - x) * percent
y = y + (frames[frame + Y] - y) * percent
end
if pose == MixPose.setup then
if blend == MixBlend.setup then
bone.x = bone.data.x + x * alpha
bone.y = bone.data.y + y * alpha
else
elseif blend == MixBlend.first or blend == MixBlend.replace then
bone.x = bone.x + (bone.data.x + x - bone.x) * alpha
bone.y = bone.y + (bone.data.y + y - bone.y) * alpha
elseif blend == MixBlend.add then
bone.x = bone.x + x * alpha
bone.y = bone.y + y * alpha
end
end
@ -390,15 +395,15 @@ function Animation.ScaleTimeline.new (frameCount)
return TimelineType.scale * SHL_24 + self.boneIndex
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local bone = skeleton.bones[self.boneIndex]
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup then
bone.scaleX = bone.data.scaleX
bone.scaleY = bone.data.scaleY
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
bone.scaleX = bone.scaleX + (bone.data.scaleX - bone.scaleX) * alpha
bone.scaleY = bone.scaleY + (bone.data.scaleY - bone.scaleY) * alpha
end
@ -423,28 +428,51 @@ function Animation.ScaleTimeline.new (frameCount)
y = (y + (frames[frame + Y] - y) * percent) * bone.data.scaleY
end
if alpha == 1 then
if blend == MixBlend.add then
bone.scaleX = bone.scaleX + x - bone.data.scaleX
bone.scaleY = bone.scaleY + y - bone.data.scaleY
else
bone.scaleX = x
bone.scaleY = y
end
else
local bx = 0
local by = 0
if pose == MixPose.setup then
if direction == MixDirection.out then
if blend == MixBlend.setup then
bx = bone.data.scaleX
by = bone.data.scaleY
else
bone.scaleX = bx + (math_abs(x) * math_signum(bx) - bx) * alpha
bone.scaleY = by + (math_abs(y) * math_signum(by) - by) * alpha
elseif blend == MixBlend.first or blend == MixBlend.replace then
bx = bone.scaleX
by = bone.scaleY
bone.scaleX = bx + (math_abs(x) * math_signum(bx) - bx) * alpha
bone.scaleY = by + (math_abs(y) * math_signum(by) - by) * alpha
elseif blend == MixBlend.add then
bx = bone.scaleX
by = bone.scaleY
bone.scaleX = bx + (math_abs(x) * math_signum(bx) - bone.data.scaleX) * alpha
bone.scaleY = by + (math_abs(y) * math_signum(by) - bone.data.scaleY) * alpha
end
-- Mixing out uses sign of setup or current pose, else use sign of key.
if direction == MixDirection.out then
x = math_abs(x) * math_signum(bx)
y = math_abs(y) * math_signum(by)
else
bx = math_abs(bx) * math_signum(x)
by = math_abs(by) * math_signum(y)
end
if blend == MixBlend.setup then
bx = math_abs(bone.data.scaleX) * math_signum(x)
by = math_abs(bone.data.scaleY) * math_signum(y)
bone.scaleX = bx + (x - bx) * alpha
bone.scaleY = by + (y - by) * alpha
elseif blend == MixBlend.first or blend == MixBlend.replace then
bx = math_abs(bone.scaleX) * math_signum(x)
by = math_abs(bone.scaleY) * math_signum(y)
bone.scaleX = bx + (x - bx) * alpha
bone.scaleY = by + (y - by) * alpha
elseif blend == MixBlend.add then
bx = math_signum(x)
by = math_signum(y)
bone.scaleX = math_abs(bone.scaleX) * bx + (x - math_abs(bone.data.scaleX) * bx) * alpha
bone.scaleY = math_abs(bone.scaleY) * by + (y - math_abs(bone.data.scaleY) * by) * alpha
end
end
end
end
@ -468,15 +496,15 @@ function Animation.ShearTimeline.new (frameCount)
return TimelineType.shear * SHL_24 + self.boneIndex
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local bone = skeleton.bones[self.boneIndex]
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup then
bone.shearX = bone.data.shearX
bone.shearY = bone.data.shearY
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
bone.shearX = bone.shearX + (bone.data.shearX - bone.shearX) * alpha
bone.shearY = bone.shearX + (bone.data.shearY - bone.shearY) * alpha
end
@ -500,12 +528,15 @@ function Animation.ShearTimeline.new (frameCount)
x = x + (frames[frame + X] - x) * percent
y = y + (frames[frame + Y] - y) * percent
end
if pose == MixPose.setup then
if blend == MixBlend.setup then
bone.shearX = bone.data.shearX + x * alpha
bone.shearY = bone.data.shearY + y * alpha
else
elseif blend == MixBlend.first or blend == MixBlend.replace then
bone.shearX = bone.shearX + (bone.data.shearX + x - bone.shearX) * alpha
bone.shearY = bone.shearY + (bone.data.shearY + y - bone.shearY) * alpha
elseif blend == MixBlend.add then
bone.shearX = bone.shearX + x * alpha
bone.shearY = bone.shearY + y * alpha
end
end
@ -544,13 +575,13 @@ function Animation.ColorTimeline.new (frameCount)
self.frames[frameIndex + A] = a
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local slot = skeleton.slots[self.slotIndex]
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup then
slot.color:setFrom(slot.data.color)
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
local color = slot.color
local setup = slot.data.color
color:add((setup.r - color.r) * alpha, (setup.g - color.g) * alpha, (setup.b - color.b) * alpha,
@ -586,7 +617,7 @@ function Animation.ColorTimeline.new (frameCount)
slot.color:set(r, g, b, a)
else
local color = slot.color
if pose == MixPose.setup then color:setFrom(slot.data.color) end
if blend == MixBlend.setup then color:setFrom(slot.data.color) end
color:add((r - color.r) * alpha, (g - color.g) * alpha, (b - color.b) * alpha, (a - color.a) * alpha)
end
end
@ -635,14 +666,14 @@ function Animation.TwoColorTimeline.new (frameCount)
self.frames[frameIndex + B2] = b2
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local slot = skeleton.slots[self.slotIndex]
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup then
slot.color:setFrom(slot.data.color)
slot.darkColor:setFrom(slot.data.darkColor)
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
local light = slot.color
local dark = slot.darkColor
local setupLight = slot.data.color
@ -692,7 +723,7 @@ function Animation.TwoColorTimeline.new (frameCount)
else
local light = slot.color
local dark = slot.darkColor
if pose == MixPose.setup then
if blend == MixBlend.setup then
light:setFrom(slot.data.color)
dark:setFrom(slot.data.darkColor)
end
@ -726,10 +757,10 @@ function Animation.AttachmentTimeline.new (frameCount)
return TimelineType.attachment * SHL_24 + self.slotIndex
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local slot = skeleton.slots[self.slotIndex]
local attachmentName
if direction == MixDirection.out and pose == MixPose.setup then
if direction == MixDirection.out and blend == MixBlend.setup then
attachmentName = slot.data.attachmentName
if not attachmentName then
slot:setAttachment(nil)
@ -741,7 +772,7 @@ function Animation.AttachmentTimeline.new (frameCount)
local frames = self.frames
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup or blend == MixBlend.first then
attachmentName = slot.data.attachmentName
if not attachmentName then
slot:setAttachment(nil)
@ -788,7 +819,7 @@ function Animation.DeformTimeline.new (frameCount)
self.frameVertices[frameIndex] = vertices
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local slot = skeleton.slots[self.slotIndex]
local slotAttachment = slot.attachment
if not slotAttachment then return end
@ -797,17 +828,17 @@ function Animation.DeformTimeline.new (frameCount)
local frames = self.frames
local verticesArray = slot.attachmentVertices
if #(verticesArray) == 0 then alpha = 1 end
if #(verticesArray) == 0 then blend = MixBlend.setup end
local frameVertices = self.frameVertices
local vertexCount = #(frameVertices[0])
if time < frames[0] then
local vertexAttachment = slotAttachment;
if pose == MixPose.setup then
if blend == MixBlend.setup then
slot.attachmentVertices = {}
return;
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
if (alpha == 1) then
slot.attachmentVertices = {}
return;
@ -837,13 +868,33 @@ function Animation.DeformTimeline.new (frameCount)
if time >= frames[zlen(frames) - 1] then -- Time is after last frame.
local lastVertices = frameVertices[zlen(frames) - 1]
if alpha == 1 then
-- Vertex positions or deform offsets, no alpha.
if blend == MixBlend.add then
local vertexAttachment = slotAttachment
if vertexAttachment.bones == nil then
-- Unweighted vertex positions, with alpha.
local setupVertices = vertexAttachment.vertices
local i = 1
while i <= vertexCount do
vertices[i] = vertices[i] + lastVertices[i] - setupVertices[i]
i = i + 1
end
else
-- Weighted deform offsets, with alpha.
local i = 1
while i <= vertexCount do
vertices[i] = vertices[i] + lastVertices[i]
i = i + 1
end
end
else
local i = 1
while i <= vertexCount do
vertices[i] = lastVertices[i]
i = i + 1
end
elseif pose == MixPose.setup then
end
else
if blend == MixBlend.setup then
local vertexAttachment = slotAttachment
if vertexAttachment.bones == nil then
-- Unweighted vertex positions, with alpha.
@ -862,13 +913,46 @@ function Animation.DeformTimeline.new (frameCount)
i = i + 1
end
end
else
-- Vertex positions or deform offsets, with alpha.
elseif blend == MixBlend.first or blend == MixBlend.replace then
local i = 1
while i <= vertexCount do
vertices[i] = vertices[i] + (lastVertices[i] - vertices[i]) * alpha
i = i + 1
end
local vertexAttachment = slotAttachment
if vertexAttachment.bones == nil then
local setupVertices = vertexAttachment.vertices
local i = 1
while i <= vertexCount do
vertices[i] = vertices[i] + (lastVertices[i] - setupVertices[i]) * alpha
i = i + 1
end
else
-- Weighted deform offsets, with alpha.
local i = 1
while i <= vertexCount do
vertices[i] = vertices[i] + lastVertices[i] * alpha
i = i + 1
end
end
elseif blend == MixBlend.add then
local vertexAttachment = slotAttachment
if vertexAttachment.bones == nil then
local setupVertices = vertexAttachment.vertices
local i = 1
while i <= vertexCount do
vertices[i] = vertices[i] + (lastVertices[i] - setupVertices[i]) * alpha
i = i + 1
end
else
-- Weighted deform offsets, with alpha.
local i = 1
while i <= vertexCount do
vertices[i] = vertices[i] + lastVertices[i] * alpha
i = i + 1
end
end
end
end
return;
end
@ -881,14 +965,36 @@ function Animation.DeformTimeline.new (frameCount)
local percent = self:getCurvePercent(frame - 1, 1 - (time - frameTime) / (frames[frame - 1] - frameTime))
if alpha == 1 then
-- Vertex positions or deform offsets, no alpha.
if blend == MixBlend.add then
local vertexAttachment = slotAttachment
if vertexAttachment.bones == nil then
-- Unweighted vertex positions, with alpha.
local setupVertices = vertexAttachment.vertices
local i = 1
while i <= vertexCount do
local prev = prevVertices[i]
vertices[i] = vertices[i] + prev + (nextVertices[i] - prev) * precent - setupVertices[i]
i = i + 1
end
else
-- Weighted deform offsets, with alpha.
local i = 1
while i <= vertexCount do
local prev = prevVertices[i]
vertices[i] = vertices[i] + prev + (nextVertices[i] - prev) * percent
i = i + 1
end
end
else
local i = 1
while i <= vertexCount do
local prev = prevVertices[i]
vertices[i] = prev + (nextVertices[i] - prev) * percent
i = i + 1
end
elseif pose == MixPose.setup then
end
else
if blend == MixBlend.setup then
local vertexAttachment = slotAttachment
if vertexAttachment.bones == nil then
-- Unweighted vertex positions, with alpha.
@ -909,14 +1015,33 @@ function Animation.DeformTimeline.new (frameCount)
i = i + 1
end
end
else
-- Vertex positions or deform offsets, with alpha.
elseif blend == MixBlend.first or blend == MixBlend.replace then
local i = 1
while i <= vertexCount do
local prev = prevVertices[i]
vertices[i] = vertices[i] + (prev + (nextVertices[i] - prev) * percent - vertices[i]) * alpha
i = i + 1
end
elseif blend == MixBlend.add then
local vertexAttachment = slotAttachment
if vertexAttachment.bones == nil then
local setupVertices = vertexAttachment.vertices
local i = 1
while i <= vertexCount do
local prev = prevVertices[i]
vertices[i] = vertices[i] + (prev + (nextVertices[i] - prev) * percent - setupVertices[i]) * alpha
i = i + 1
end
else
-- Weighted deform offsets, with alpha.
local i = 1
while i <= vertexCount do
local prev = prevVertices[i]
vertices[i] = vertices[i] + (prev + (nextVertices[i] - prev) * percent) * alpha
i = i + 1
end
end
end
end
end
@ -945,14 +1070,14 @@ function Animation.EventTimeline.new (frameCount)
end
-- Fires events for frames > lastTime and <= time.
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
if not firedEvents then return end
local frames = self.frames
local frameCount = zlen(frames)
if lastTime > time then -- Fire events after last time for looped animations.
self:apply(skeleton, lastTime, 999999, firedEvents, alpha, pose, direction)
self:apply(skeleton, lastTime, 999999, firedEvents, alpha, blend, direction)
lastTime = -1
elseif lastTime >= frames[frameCount - 1] then -- Last time is after last frame.
return
@ -1001,18 +1126,19 @@ function Animation.DrawOrderTimeline.new (frameCount)
self.drawOrders[frameIndex] = drawOrder
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local drawOrder = skeleton.drawOrder
local slots = skeleton.slots
if mixingOut and setupPose then
if direction == MixDirection.out and blend == MixBlend.setup then
for i,slot in ipairs(slots) do
drawOrder[i] = slots[i]
end
return;
end
local frames = self.frames
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup or blend == MixBlend.first then
for i,slot in ipairs(slots) do
drawOrder[i] = slots[i]
end
@ -1068,15 +1194,15 @@ function Animation.IkConstraintTimeline.new (frameCount)
self.frames[frameIndex + BEND_DIRECTION] = bendDirection
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local constraint = skeleton.ikConstraints[self.ikConstraintIndex]
if time < frames[0] then
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.mix = constraint.data.mix
constraint.bendDirection = constraint.data.bendDirection
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
constraint.mix = constraint.mix + (constraint.data.mix - constraint.mix) * alpha
constraint.bendDirection = constraint.data.bendDirection
end
@ -1084,7 +1210,7 @@ function Animation.IkConstraintTimeline.new (frameCount)
end
if time >= frames[zlen(frames) - ENTRIES] then -- Time is after last frame.
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.mix = constraint.data.mix + (frames[zlen(frames) + PREV_MIX] - constraint.data.mix) * alpha
if direction == MixDirection.out then
constraint.bendDirection = constraint.data.bendDirection
@ -1105,7 +1231,7 @@ function Animation.IkConstraintTimeline.new (frameCount)
local percent = self:getCurvePercent(math.floor(frame / ENTRIES) - 1,
1 - (time - frameTime) / (frames[frame + PREV_TIME] - frameTime))
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.mix = constraint.data.mix + (mix + (frames[frame + MIX] - mix) * percent - constraint.data.mix) * alpha
if direction == MixDirection.out then
constraint.bendDirection = constraint.data.bendDirection
@ -1153,18 +1279,18 @@ function Animation.TransformConstraintTimeline.new (frameCount)
self.frames[frameIndex + SHEAR] = shearMix
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local constraint = skeleton.transformConstraints[self.transformConstraintIndex]
if time < frames[0] then
local data = constraint.data
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.rotateMix = data.rotateMix
constraint.translateMix = data.translateMix
constraint.scaleMix = data.scaleMix
constraint.shearMix = data.shearMix
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
constraint.rotateMix = constraint.rotateMix + (data.rotateMix - constraint.rotateMix) * alpha
constraint.translateMix = constraint.translateMix + (data.translateMix - constraint.translateMix) * alpha
constraint.scaleMix = constraint.scaleMix + (data.scaleMix - constraint.scaleMix) * alpha
@ -1199,7 +1325,7 @@ function Animation.TransformConstraintTimeline.new (frameCount)
scale = scale + (frames[frame + SCALE] - scale) * percent
shear = shear + (frames[frame + SHEAR] - shear) * percent
end
if pose == MixPose.setup then
if blend == MixBlend.setup then
local data = constraint.data
constraint.rotateMix = data.rotateMix + (rotate - data.rotateMix) * alpha
constraint.translateMix = data.translateMix + (translate - data.translateMix) * alpha
@ -1239,14 +1365,14 @@ function Animation.PathConstraintPositionTimeline.new (frameCount)
self.frames[frameIndex + VALUE] = value
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local constraint = skeleton.pathConstraints[self.pathConstraintIndex]
if (time < frames[0]) then
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.position = constraint.data.position
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
constraint.position = constraint.position + (constraint.data.position - constraint.position) * alpha
end
return
@ -1265,7 +1391,7 @@ function Animation.PathConstraintPositionTimeline.new (frameCount)
position = position + (frames[frame + VALUE] - position) * percent
end
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.position = constraint.data.position + (position - constraint.data.position) * alpha
else
constraint.position = constraint.position + (position - constraint.position) * alpha
@ -1298,14 +1424,14 @@ function Animation.PathConstraintSpacingTimeline.new (frameCount)
self.frames[frameIndex + VALUE] = value
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local constraint = skeleton.pathConstraints[self.pathConstraintIndex]
if (time < frames[0]) then
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.spacing = constraint.data.spacing
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
constraint.spacing = constraint.spacing + (constraint.data.spacing - constraint.spacing) * alpha
end
return
@ -1325,7 +1451,7 @@ function Animation.PathConstraintSpacingTimeline.new (frameCount)
spacing = spacing + (frames[frame + VALUE] - spacing) * percent
end
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.spacing = constraint.data.spacing + (spacing - constraint.data.spacing) * alpha
else
constraint.spacing = constraint.spacing + (spacing - constraint.spacing) * alpha
@ -1361,15 +1487,15 @@ function Animation.PathConstraintMixTimeline.new (frameCount)
self.frames[frameIndex + TRANSLATE] = translateMix
end
function self:apply (skeleton, lastTime, time, firedEvents, alpha, pose, direction)
function self:apply (skeleton, lastTime, time, firedEvents, alpha, blend, direction)
local frames = self.frames
local constraint = skeleton.pathConstraints[self.pathConstraintIndex]
if (time < frames[0]) then
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.rotateMix = constraint.data.rotateMix
constraint.translateMix = constraint.data.translateMix
elseif pose == MixPose.current then
elseif blend == MixBlend.first then
constraint.rotateMix = constraint.rotateMix + (constraint.data.rotateMix - constraint.rotateMix) * alpha
constraint.translateMix = constraint.translateMix + (constraint.data.translateMix - constraint.translateMix) * alpha
end
@ -1394,7 +1520,7 @@ function Animation.PathConstraintMixTimeline.new (frameCount)
translate = translate + (frames[frame + TRANSLATE] - translate) * percent
end
if pose == MixPose.setup then
if blend == MixBlend.setup then
constraint.rotateMix = constraint.data.rotateMix + (rotate - constraint.data.rotateMix) * alpha
constraint.translateMix = constraint.data.translateMix + (translate - constraint.data.translateMix) * alpha
else

69
spine-lua/AnimationState.lua
View File

@ -32,7 +32,7 @@ local setmetatable = setmetatable
local table_insert = table.insert
local utils = require "spine-lua.utils"
local Animation = require "spine-lua.Animation"
local MixPose = Animation.MixPose
local MixBlend = Animation.MixBlend
local MixDirection = Animation.MixDirection
local AnimationStateData = require "spine-lua.AnimationStateData"
local math_min = math.min
@ -175,6 +175,7 @@ function TrackEntry.new ()
animationStart = 0, animationEnd = 0, animationLast = 0, nextAnimationLast = 0,
delay = 0, trackTime = 0, trackLast = 0, nextTrackLast = 0, trackEnd = 0, timeScale = 0,
alpha = 0, mixTime = 0, mixDuration = 0, interruptAlpha = 0, totalAlpha = 0,
mixBlend = MixBlend.replace,
timelineData = {},
timelineDipMix = {},
timelinesRotation = {}
@ -374,13 +375,13 @@ function AnimationState:apply (skeleton)
for i,current in pairs(tracks) do
if not (current == nil or current.delay > 0) then
applied = true
local currrentPose = MixPose.currentLayered
if i == 0 then currentPose = MixPose.current end
local blend = current.mixBlend
if i == 0 then blend = MixBlend.first end
-- Apply mixing from entries first.
local mix = current.alpha
if current.mixingFrom then
mix = mix * self:applyMixingFrom(current, skeleton, currentPose)
mix = mix * self:applyMixingFrom(current, skeleton, blend)
elseif current.trackTime >= current.trackEnd and current.next == nil then
mix = 0
end
@ -389,9 +390,9 @@ function AnimationState:apply (skeleton)
local animationLast = current.animationLast
local animationTime = current:getAnimationTime()
local timelines = current.animation.timelines
if mix == 1 then
if mix == 1 or blend == MixBlend.add then
for i,timeline in ipairs(timelines) do
timeline:apply(skeleton, animationLast, animationTime, events, 1, MixPose.setup, MixDirection._in)
timeline:apply(skeleton, animationLast, animationTime, events, mix, blend, MixDirection._in)
end
else
local timelineData = current.timelineData
@ -399,14 +400,14 @@ function AnimationState:apply (skeleton)
local timelinesRotation = current.timelinesRotation
for i,timeline in ipairs(timelines) do
local pose = MixPose.currentPose
if timelineData[i] >= FIRST then pose = MixPose.setup end
local timelineBlend = MixBlend.setup
if timelineData[i] == SUBSEQUENT then timelineBlend = blend end
if timeline.type == Animation.TimelineType.rotate then
self:applyRotateTimeline(timeline, skeleton, animationTime, mix, pose, timelinesRotation, i * 2,
self:applyRotateTimeline(timeline, skeleton, animationTime, mix, timelineBlend, timelinesRotation, i * 2,
firstFrame) -- FIXME passing ii * 2, indexing correct?
else
timeline:apply(skeleton, animationLast, animationTime, events, mix, pose, MixDirection._in)
timeline:apply(skeleton, animationLast, animationTime, events, mix, timelineBlend, MixDirection._in)
end
end
end
@ -421,17 +422,18 @@ function AnimationState:apply (skeleton)
return applied
end
function AnimationState:applyMixingFrom (to, skeleton, currentPose)
function AnimationState:applyMixingFrom (to, skeleton, blend)
local from = to.mixingFrom
if from.mixingFrom then self:applyMixingFrom(from, skeleton, currentPose) end
if from.mixingFrom then self:applyMixingFrom(from, skeleton, blend) end
local mix = 0
if to.mixDuration == 0 then -- Single frame mix to undo mixingFrom changes.
mix = 1
currentPose = MixPose.setup
if blend == MixBlend.first then blend = MixBlend.setup end
else
mix = to.mixTime / to.mixDuration
if mix > 1 then mix = 1 end
if blend ~= MixBlend.first then blend = from.mixBlend end
end
local events = nil
@ -441,44 +443,50 @@ function AnimationState:applyMixingFrom (to, skeleton, currentPose)
local animationLast = from.animationLast
local animationTime = from:getAnimationTime()
local timelines = from.animation.timelines
local alphaDip = from.alpha * to.interruptAlpha
local alphaMix = alphaDip * (1 - mix)
if blend == MixBlend.add then
for i,timeline in ipairs(timelines) do
timeline:apply(skeleton, animationLast, animationTime, events, alphaMix, blend, MixDirection.out)
end
else
local timelineData = from.timelineData
local timelineDipMix = from.timelineDipMix
local firstFrame = #from.timelinesRotation == 0
local timelinesRotation = from.timelinesRotation
local pose = MixPose.setup
local alphaDip = from.alpha * to.interruptAlpha
local alphaMix = alphaDip * (1 - mix)
local alpha = 0
from.totalAlpha = 0;
for i,timeline in ipairs(timelines) do
local skipSubsequent = false;
local timelineBlend = MixBlend.setup
local alpha = 0
if timelineData[i] == SUBSEQUENT then
if not attachments and timeline.type == Animation.TimelineType.attachment then skipSubsequent = true end
if not drawOrder and timeline.type == Animation.TimelineType.drawOrder then skipSubsequent = true end
pose = currentPose
timelineBlend = blend
alpha = alphaMix
elseif timelineData[i] == FIRST then
pose = MixPose.setup
timelineBlend = MixBlend.setup
alpha = alphaMix
elseif timelineData[i] == DIP then
pose = MixPose.setup
timelineBlend = MixBlend.setup
alpha = alphaDip
else
pose = MixPose.setup
alpha = alphaDip
timelineBlend = MixBlend.setup
local dipMix = timelineDipMix[i]
alpha = alpha * math_max(0, 1 - dipMix.mixtime / dipMix.mixDuration)
alpha = alphaDip * math_max(0, 1 - dipMix.mixtime / dipMix.mixDuration)
end
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)
self:applyRotateTimeline(timeline, skeleton, animationTime, alpha, timelineBlend, timelinesRotation, i * 2, firstFrame)
else
timeline:apply(skeleton, animationLast, animationTime, events, alpha, pose, MixDirection.out)
timeline:apply(skeleton, animationLast, animationTime, events, alpha, timelineBlend, MixDirection.out)
end
end
end
end
@ -491,14 +499,14 @@ function AnimationState:applyMixingFrom (to, skeleton, currentPose)
return mix
end
function AnimationState:applyRotateTimeline (timeline, skeleton, time, alpha, pose, timelinesRotation, i, firstFrame)
function AnimationState:applyRotateTimeline (timeline, skeleton, time, alpha, blend, timelinesRotation, i, firstFrame)
if firstFrame then
timelinesRotation[i] = 0
timelinesRotation[i+1] = 0
end
if alpha == 1 then
timeline:apply(skeleton, 0, time, nil, 1, pose, MixDirection._in)
timeline:apply(skeleton, 0, time, nil, 1, blend, MixDirection._in)
return
end
@ -506,7 +514,7 @@ function AnimationState:applyRotateTimeline (timeline, skeleton, time, alpha, po
local frames = rotateTimeline.frames
local bone = skeleton.bones[rotateTimeline.boneIndex]
if time < frames[0] then
if pose == MixPose.setup then bone.rotation = bone.data.rotation end
if blend == MixBlend.setup then bone.rotation = bone.data.rotation end
return
end
@ -529,7 +537,7 @@ function AnimationState:applyRotateTimeline (timeline, skeleton, time, alpha, po
-- Mix between rotations using the direction of the shortest route on the first frame while detecting crosses.
local r1 = bone.rotation
if pose == MixPose.setup then r1 = bone.data.rotation end
if blend == MixBlend.setup then r1 = bone.data.rotation end
local total = 0
local diff = r2 - r1
if diff == 0 then
@ -797,6 +805,7 @@ function AnimationState:trackEntry (trackIndex, animation, loop, last)
else
entry.mixDuration = data:getMix(last.animation, animation)
end
entry.mixBlend = MixBlend.replace
return entry
end
@ -818,7 +827,7 @@ function AnimationState:_animationsChanged ()
local mixingTo = self.mixingTo
for i, entry in pairs(self.tracks) do
if entry then
if entry and (i == 0 or entry.mixBlend ~= MixBlend.add) then
entry:setTimelineData(nil, mixingTo, propertyIDs)
end
end