mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-03-07 03:06:55 +08:00
175 lines
6.3 KiB
Lua
175 lines
6.3 KiB
Lua
-------------------------------------------------------------------------------
|
|
-- Copyright (c) 2013, Esoteric Software
|
|
-- All rights reserved.
|
|
--
|
|
-- Redistribution and use in source and binary forms, with or without
|
|
-- modification, are permitted provided that the following conditions are met:
|
|
--
|
|
-- 1. Redistributions of source code must retain the above copyright notice, this
|
|
-- list of conditions and the following disclaimer.
|
|
-- 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
-- this list of conditions and the following disclaimer in the documentation
|
|
-- and/or other materials provided with the distribution.
|
|
--
|
|
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
-- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
|
-- ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
-- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
------------------------------------------------------------------------------
|
|
|
|
spine = {}
|
|
|
|
if (system.getInfo("environment") == "simulator") then
|
|
package.path = package.path .. ";".. system.pathForFile("../") .. "/?.lua"
|
|
end
|
|
|
|
spine.utils = require "spine-lua.utils"
|
|
spine.SkeletonJson = require "spine-lua.SkeletonJson"
|
|
spine.SkeletonData = require "spine-lua.SkeletonData"
|
|
spine.BoneData = require "spine-lua.BoneData"
|
|
spine.SlotData = require "spine-lua.SlotData"
|
|
spine.Skin = require "spine-lua.Skin"
|
|
spine.RegionAttachment = require "spine-lua.RegionAttachment"
|
|
spine.Skeleton = require "spine-lua.Skeleton"
|
|
spine.Bone = require "spine-lua.Bone"
|
|
spine.Slot = require "spine-lua.Slot"
|
|
spine.AttachmentLoader = require "spine-lua.AttachmentLoader"
|
|
spine.Animation = require "spine-lua.Animation"
|
|
|
|
spine.utils.readFile = function (fileName, base)
|
|
if not base then base = system.ResourceDirectory end
|
|
local path = system.pathForFile(fileName, base)
|
|
local file = io.open(path, "r")
|
|
if not file then return nil end
|
|
local contents = file:read("*a")
|
|
io.close(file)
|
|
return contents
|
|
end
|
|
|
|
local json = require "json"
|
|
spine.utils.readJSON = function (text)
|
|
return json.decode(text)
|
|
end
|
|
|
|
spine.Skeleton.failed = {} -- Placeholder for an image that failed to load.
|
|
|
|
spine.Skeleton.new_super = spine.Skeleton.new
|
|
function spine.Skeleton.new (skeletonData, group)
|
|
-- Skeleton extends a group.
|
|
local self = spine.Skeleton.new_super(skeletonData)
|
|
self.group = group or display.newGroup()
|
|
|
|
-- createImage can customize where images are found.
|
|
function self:createImage (attachment)
|
|
return display.newImage(attachment.name .. ".png")
|
|
end
|
|
|
|
-- updateWorldTransform positions images.
|
|
local updateWorldTransform_super = self.updateWorldTransform
|
|
function self:updateWorldTransform ()
|
|
updateWorldTransform_super(self)
|
|
|
|
if not self.images then self.images = {} end
|
|
local images = self.images
|
|
|
|
for i,slot in ipairs(self.drawOrder) do
|
|
local attachment = slot.attachment
|
|
local image = images[slot]
|
|
if not attachment then
|
|
-- Attachment is gone, remove the image.
|
|
if image and image ~= spine.Skeleton.failed then
|
|
image:removeSelf()
|
|
images[slot] = nil
|
|
end
|
|
else
|
|
-- Attachment image has changed.
|
|
if image and image.attachment ~= attachment and image ~= spine.Skeleton.failed then
|
|
image:removeSelf()
|
|
image = nil
|
|
end
|
|
-- Create new image.
|
|
if not image then
|
|
image = self:createImage(attachment)
|
|
if image then
|
|
image.attachment = attachment
|
|
image:setReferencePoint(display.CenterReferencePoint)
|
|
image.width = attachment.width
|
|
image.height = attachment.height
|
|
else
|
|
print("Error creating image: " .. attachment.name)
|
|
image = spine.Skeleton.failed
|
|
end
|
|
images[slot] = image
|
|
end
|
|
-- Position image based on attachment and bone.
|
|
if image ~= spine.Skeleton.failed then
|
|
image.x = slot.bone.worldX + attachment.x * slot.bone.m00 + attachment.y * slot.bone.m01
|
|
image.y = -(slot.bone.worldY + attachment.x * slot.bone.m10 + attachment.y * slot.bone.m11)
|
|
image.rotation = -(slot.bone.worldRotation + attachment.rotation)
|
|
|
|
-- fix scaling when attachment is rotated 90 degrees
|
|
local rot = math.abs(attachment.rotation) % 180
|
|
if (rot == 90) then
|
|
image.xScale = slot.bone.worldScaleY * attachment.scaleX
|
|
image.yScale = slot.bone.worldScaleX * attachment.scaleY
|
|
else
|
|
--if (rot ~= 0 and (slot.bone.worldScaleX ~= 1 or slot.bone.worldScaleY ~= 1)) then print("WARNING: Scaling bones with attachments not rotated to the cardinal angles will not work as expected in Corona!") end
|
|
image.xScale = slot.bone.worldScaleX * attachment.scaleX
|
|
image.yScale = slot.bone.worldScaleY * attachment.scaleY
|
|
end
|
|
|
|
if self.flipX then
|
|
image.xScale = -image.xScale
|
|
image.rotation = -image.rotation
|
|
end
|
|
if self.flipY then
|
|
image.yScale = -image.yScale
|
|
image.rotation = -image.rotation
|
|
end
|
|
image:setFillColor(slot.r, slot.g, slot.b, slot.a)
|
|
self.group:insert(image)
|
|
end
|
|
end
|
|
end
|
|
|
|
if self.debug then
|
|
for i,bone in ipairs(self.bones) do
|
|
if not bone.line then bone.line = display.newLine(0, 0, bone.data.length, 0) end
|
|
bone.line.x = bone.worldX
|
|
bone.line.y = -bone.worldY
|
|
bone.line.rotation = -bone.worldRotation
|
|
if self.flipX then
|
|
bone.line.xScale = -1
|
|
bone.line.rotation = -bone.line.rotation
|
|
else
|
|
bone.line.xScale = 1
|
|
end
|
|
if self.flipY then
|
|
bone.line.yScale = -1
|
|
bone.line.rotation = -bone.line.rotation
|
|
else
|
|
bone.line.yScale = 1
|
|
end
|
|
bone.line:setColor(255, 0, 0)
|
|
self.group:insert(bone.line)
|
|
|
|
if not bone.circle then bone.circle = display.newCircle(0, 0, 3) end
|
|
bone.circle.x = bone.worldX
|
|
bone.circle.y = -bone.worldY
|
|
bone.circle:setFillColor(0, 255, 0)
|
|
self.group:insert(bone.circle)
|
|
end
|
|
end
|
|
end
|
|
|
|
return self
|
|
end
|
|
|
|
return spine
|