mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-03-26 22:49:01 +08:00
250 lines
8.8 KiB
Lua
250 lines
8.8 KiB
Lua
-------------------------------------------------------------------------------
|
|
-- Spine Runtimes Software License v2.5
|
|
--
|
|
-- Copyright (c) 2013-2016, Esoteric Software
|
|
-- All rights reserved.
|
|
--
|
|
-- You are granted a perpetual, non-exclusive, non-sublicensable, and
|
|
-- non-transferable license to use, install, execute, and perform the Spine
|
|
-- Runtimes software and derivative works solely for personal or internal
|
|
-- use. Without the written permission of Esoteric Software (see Section 2 of
|
|
-- the Spine Software License Agreement), you may not (a) modify, translate,
|
|
-- adapt, or develop new applications using the Spine Runtimes or otherwise
|
|
-- create derivative works or improvements of the Spine Runtimes or (b) remove,
|
|
-- delete, alter, or obscure any trademarks or any copyright, trademark, patent,
|
|
-- or other intellectual property or proprietary rights notices on or in the
|
|
-- Software, including any copy thereof. Redistributions in binary or source
|
|
-- form must include this license and terms.
|
|
--
|
|
-- THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
|
|
-- USE, DATA, OR PROFITS) 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.
|
|
-------------------------------------------------------------------------------
|
|
|
|
local setmetatable = setmetatable
|
|
|
|
spine = {}
|
|
|
|
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.IkConstraintData = require "spine-lua.IkConstraintData"
|
|
spine.Skin = require "spine-lua.Skin"
|
|
spine.Attachment = require "spine-lua.attachments.Attachment"
|
|
spine.BoundingBoxAttachment = require "spine-lua.attachments.BoundingBoxAttachment"
|
|
spine.RegionAttachment = require "spine-lua.attachments.RegionAttachment"
|
|
spine.MeshAttachment = require "spine-lua.attachments.MeshAttachment"
|
|
spine.VertexAttachment = require "spine-lua.attachments.VertexAttachment"
|
|
spine.PathAttachment = require "spine-lua.attachments.PathAttachment"
|
|
spine.Skeleton = require "spine-lua.Skeleton"
|
|
spine.Bone = require "spine-lua.Bone"
|
|
spine.Slot = require "spine-lua.Slot"
|
|
spine.IkConstraint = require "spine-lua.IkConstraint"
|
|
spine.AttachmentType = require "spine-lua.attachments.AttachmentType"
|
|
spine.AttachmentLoader = require "spine-lua.AttachmentLoader"
|
|
spine.Animation = require "spine-lua.Animation"
|
|
spine.AnimationStateData = require "spine-lua.AnimationStateData"
|
|
spine.AnimationState = require "spine-lua.AnimationState"
|
|
spine.EventData = require "spine-lua.EventData"
|
|
spine.Event = require "spine-lua.Event"
|
|
spine.SkeletonBounds = require "spine-lua.SkeletonBounds"
|
|
spine.BlendMode = require "spine-lua.BlendMode"
|
|
spine.TextureAtlas = require "spine-lua.TextureAtlas"
|
|
spine.TextureRegion = require "spine-lua.TextureRegion"
|
|
spine.TextureAtlasRegion = require "spine-lua.TextureAtlasRegion"
|
|
spine.AtlasAttachmentLoader = require "spine-lua.AtlasAttachmentLoader"
|
|
spine.Color = require "spine-lua.Color"
|
|
|
|
spine.utils.readFile = function (fileName, base)
|
|
local path = fileName
|
|
if base then path = base .. '/' .. path end
|
|
return love.filesystem.read(path)
|
|
end
|
|
|
|
local json = require "spine-love.dkjson"
|
|
spine.utils.readJSON = function (text)
|
|
return json.decode(text)
|
|
end
|
|
|
|
local PolygonBatcher = {}
|
|
PolygonBatcher.__index = PolygonBatcher
|
|
|
|
function PolygonBatcher.new(vertexCount)
|
|
local self = {
|
|
mesh = love.graphics.newMesh(vertexCount, "triangles", "dynamic"),
|
|
maxVerticesLength = vertexCount,
|
|
maxIndicesLength = vertexCount * 3,
|
|
verticesLength = 0,
|
|
indicesLength = 0,
|
|
lastTexture = nil,
|
|
isDrawing = false,
|
|
drawCalls = 0,
|
|
vertex = { 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
indices = nil
|
|
}
|
|
|
|
local indices = {}
|
|
local i = 1
|
|
local maxIndicesLength = self.maxIndicesLength
|
|
while i <= maxIndicesLength do
|
|
indices[i] = 1
|
|
i = i + 1
|
|
end
|
|
self.indices = indices;
|
|
|
|
setmetatable(self, PolygonBatcher)
|
|
|
|
return self
|
|
end
|
|
|
|
function PolygonBatcher:begin ()
|
|
if self.isDrawing then error("PolygonBatcher is already drawing. Call PolygonBatcher:stop() before calling PolygonBatcher:begin().", 2) end
|
|
self.lastTexture = nil
|
|
self.isDrawing = true
|
|
self.drawCalls = 0
|
|
end
|
|
|
|
function PolygonBatcher:draw (texture, vertices, indices)
|
|
local numVertices = #vertices / 8
|
|
local numIndices = #indices
|
|
local mesh = self.mesh
|
|
|
|
if texture ~= self.lastTexture then
|
|
self:flush()
|
|
self.lastTexture = texture
|
|
mesh:setTexture(texture)
|
|
elseif self.verticesLength + numVertices >= self.maxVerticesLength or self.indicesLength + numIndices > self.maxIndicesLength then
|
|
self:flush()
|
|
end
|
|
|
|
local i = 1
|
|
local indexStart = self.indicesLength + 1
|
|
local offset = self.verticesLength
|
|
local indexEnd = indexStart + numIndices
|
|
local meshIndices = self.indices
|
|
while indexStart < indexEnd do
|
|
meshIndices[indexStart] = indices[i] + offset
|
|
indexStart = indexStart + 1
|
|
i = i + 1
|
|
end
|
|
self.indicesLength = self.indicesLength + numIndices
|
|
|
|
i = 1
|
|
local vertexStart = self.verticesLength + 1
|
|
local vertexEnd = vertexStart + numVertices
|
|
local vertex = self.vertex
|
|
while vertexStart < vertexEnd do
|
|
vertex[1] = vertices[i]
|
|
vertex[2] = vertices[i+1]
|
|
vertex[3] = vertices[i+2]
|
|
vertex[4] = vertices[i+3]
|
|
vertex[5] = vertices[i+4] * 255
|
|
vertex[6] = vertices[i+5] * 255
|
|
vertex[7] = vertices[i+6] * 255
|
|
vertex[8] = vertices[i+7] * 255
|
|
mesh:setVertex(vertexStart, vertex)
|
|
vertexStart = vertexStart + 1
|
|
i = i + 8
|
|
end
|
|
self.verticesLength = self.verticesLength + numVertices
|
|
end
|
|
|
|
function PolygonBatcher:flush ()
|
|
if self.verticesLength == 0 then return end
|
|
local mesh = self.mesh
|
|
mesh:setVertexMap(self.indices)
|
|
mesh:setDrawRange(1, self.indicesLength)
|
|
love.graphics.draw(mesh, 0, 0)
|
|
|
|
self.verticesLength = 0
|
|
self.indicesLength = 0
|
|
self.drawCalls = self.drawCalls + 1
|
|
end
|
|
|
|
function PolygonBatcher:stop ()
|
|
if not self.isDrawing then error("PolygonBatcher is not drawing. Call PolygonBatcher:begin() first.", 2) end
|
|
if self.verticesLength > 0 then self:flush() end
|
|
|
|
self.lastTexture = nil
|
|
self.isDrawing = false
|
|
end
|
|
|
|
local SkeletonRenderer = {}
|
|
SkeletonRenderer.__index = SkeletonRenderer
|
|
SkeletonRenderer.QUAD_TRIANGLES = { 1, 2, 3, 3, 4, 1 }
|
|
|
|
function SkeletonRenderer.new ()
|
|
local self = {
|
|
batcher = PolygonBatcher.new(3 * 500),
|
|
premultipliedAlpha = false
|
|
}
|
|
|
|
setmetatable(self, SkeletonRenderer)
|
|
return self
|
|
end
|
|
|
|
function SkeletonRenderer:draw (skeleton)
|
|
local batcher = self.batcher
|
|
local premultipliedAlpha = self.premultipliedAlpha
|
|
|
|
local lastLoveBlendMode = love.graphics.getBlendMode()
|
|
love.graphics.setBlendMode("alpha")
|
|
local lastBlendMode = spine.BlendMode.normal
|
|
batcher:begin()
|
|
|
|
local drawOrder = skeleton.drawOrder
|
|
for i, slot in ipairs(drawOrder) do
|
|
local attachment = slot.attachment
|
|
local vertices = nil
|
|
local indics = nil
|
|
local texture = nil
|
|
if attachment then
|
|
if attachment.type == spine.AttachmentType.region then
|
|
vertices = attachment:updateWorldVertices(slot, premultipliedAlpha)
|
|
indices = SkeletonRenderer.QUAD_TRIANGLES
|
|
texture = attachment.region.renderObject.texture
|
|
elseif attachment.type == spine.AttachmentType.mesh then
|
|
vertices = attachment:updateWorldVertices(slot, premultipliedAlpha)
|
|
indices = attachment.triangles
|
|
texture = attachment.region.renderObject.texture
|
|
end
|
|
|
|
if texture then
|
|
local slotBlendMode = slot.data.blendMode
|
|
if lastBlendMode ~= slotBlendMode then
|
|
if slotBlendMode == spine.BlendMode.normal then
|
|
love.graphics.setBlendMode("alpha")
|
|
elseif slotBlendMode == spine.BlendMode.additive then
|
|
love.graphics.setBlendMode("additive")
|
|
elseif slotBlendMode == spine.BlendMode.multiply then
|
|
love.graphics.setBlendMode("multiply")
|
|
elseif slotBlendMode == spine.BlendMode.screen then
|
|
love.graphics.setBlendMode("screen")
|
|
end
|
|
lastBlendMode = slotBlendMode
|
|
batcher:stop()
|
|
batcher:begin()
|
|
end
|
|
batcher:draw(texture, vertices, indices)
|
|
end
|
|
end
|
|
end
|
|
|
|
batcher:stop()
|
|
love.graphics.setBlendMode(lastLoveBlendMode)
|
|
end
|
|
|
|
spine.PolygonBatcher = PolygonBatcher
|
|
spine.SkeletonRenderer = SkeletonRenderer
|
|
|
|
return spine
|