mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2025-12-21 01:36:02 +08:00
105 lines
3.6 KiB
Lua
105 lines
3.6 KiB
Lua
-------------------------------------------------------------------------------
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-- Spine Runtimes License Agreement
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-- Last updated May 1, 2019. Replaces all prior versions.
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--
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-- Copyright (c) 2013-2019, Esoteric Software LLC
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--
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-- Integration of the Spine Runtimes into software or otherwise creating
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-- derivative works of the Spine Runtimes is permitted under the terms and
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-- conditions of Section 2 of the Spine Editor License Agreement:
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-- http://esotericsoftware.com/spine-editor-license
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--
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-- Otherwise, it is permitted to integrate the Spine Runtimes into software
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-- or otherwise create derivative works of the Spine Runtimes (collectively,
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-- "Products"), provided that each user of the Products must obtain their own
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-- Spine Editor license and redistribution of the Products in any form must
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-- include this license and copyright notice.
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--
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-- THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
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-- OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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-- OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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-- NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
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-- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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-- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
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-- INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
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-- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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-- EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-------------------------------------------------------------------------------
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local Atlas = {}
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function Atlas.parse(atlasPath, atlasBase)
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local function parseIntTuple4( l )
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local a,b,c,d = string.match( l , " ? ?%a+: ([+-]?%d+), ?([+-]?%d+), ?([+-]?%d+), ?([+-]?%d+)" )
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a,b,c,d = tonumber( a ), tonumber( b ), tonumber( c ), tonumber( d )
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return a and b and c and d and {a, b, c ,d}
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end
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local function parseIntTuple2( l )
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local a,b = string.match( l , " ? ?%a+: ([+-]?%d+), ?([+-]?%d+)" )
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a,b = tonumber( a ), tonumber( b )
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return a and b and {a, b}
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end
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if not atlasPath then
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error("Error: " .. atlasPath .. ".atlas" .. " doesn't exist!")
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return nil
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end
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local atlasLines = spine.utils.readFile( atlasPath, atlasBase )
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if not atlasLines then
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error("Error: " .. atlasPath .. ".atlas" .. " unable to read!")
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return nil
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end
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local pages = {}
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local it = string.gmatch(atlasLines, "(.-)\r?\n") -- iterate over lines
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for l in it do
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if #l == 0 then
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l = it()
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if l then
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local page = { name = l }
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l = it()
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page.size = parseIntTuple2( l )
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if page.size then
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l = it()
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end
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page.format = string.match( l, "%a+: (.+)" )
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page.filter = {string.match( it(), "%a+: (.+),(.+)" )}
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page.wrap = string.match( it(), "%a+: (.+)" )
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page.regions = {}
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table.insert( pages, page )
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else
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break
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end
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else
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local region = {name = l}
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region.rotate = string.match( it(), "%a+: (.+)" ) == "true"
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region.xy = parseIntTuple2( it() )
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region.size = parseIntTuple2( it() )
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l = it()
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region.splits = parseIntTuple4(l)
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if region.splits then
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l = it()
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region.pad = parseIntTuple4(l)
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if region.pad then
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l = it()
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end
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end
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region.orig = parseIntTuple2( l )
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region.offset = parseIntTuple2( it() )
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region.index = tonumber( string.match( it() , "%a+: ([+-]?%d+)" ) )
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table.insert( pages[#pages].regions, region )
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end
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end
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return pages
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end
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return Atlas
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