Large refactor and code cleanup.

abase-color.lua

@@ -1,3 +1,7 @@
+-- functions for modifying a layer's color
+
+local p = require "abase-properties"
+
 local BASE_COLOR = Color {
     r = 0,
     g = 0,
@@ -27,31 +31,24 @@ local MERGE_SUBCOLOR = Color {
 
 local function safeSetColor(layer, color)
     pixelValue = layer.color.rgbaPixel
---[[     print("safeSetColor: " .. pixelValue)
-    print(BASE_COLOR.rgbaPixel)
-    print(IGNORE_COLOR.rgbaPixel)
-    print(IGNORE_SUBCOLOR.rgbaPixel)
-    print(MERGE_COLOR.rgbaPixel)
-    print(MERGE_SUBCOLOR.rgbaPixel) ]]
     if (pixelValue ~= BASE_COLOR.rgbaPixel and
         pixelValue ~= IGNORE_COLOR.rgbaPixel and
         pixelValue ~= IGNORE_SUBCOLOR.rgbaPixel and
         pixelValue ~= MERGE_COLOR.rgbaPixel and
         pixelValue ~= MERGE_SUBCOLOR.rgbaPixel) then
---[[             print("DEBUG: not setting color")
+            return
- ]]            return
     end
     layer.color = color
 end
 
 -- set the color of a layer and its sublayers based on the extension properties
 local function SetColor(layer, subColor)
-    if (layer.properties(extKey).ignored) then
+    if p.IsIgnored(layer) then
         safeSetColor(layer, IGNORE_COLOR)
         subColor = IGNORE_SUBCOLOR
     elseif subColor == IGNORE_SUBCOLOR then
         safeSetColor(layer, subColor)
-    elseif (layer.properties(extKey).exportedAsSprite) then
+    elseif p.IsMerged(layer) then
         safeSetColor(layer, MERGE_COLOR)
         subColor = MERGE_SUBCOLOR
     elseif subColor == MERGE_SUBCOLOR then

abase-commands.lua

@@ -1,6 +1,7 @@
 -- New commands to be executed via Aseprite menus / keyboard shortcuts
-local layerUtils = require "abase-layer"
+local l = require "abase-layer"
-local colorUtils = require "abase-color"
+local c = require "abase-color"
+local p = require "abase-properties"
 
 local function ExportSpritesheetAdvanced()
     if not app.sprite then
@@ -9,9 +10,9 @@ local function ExportSpritesheetAdvanced()
 
     local spr = Sprite(app.sprite)
 
-    layerUtils.DeleteLayers(spr, spr.layers)
+    l.DeleteLayers(spr, spr.layers)
-    layerUtils.FlattenLayers(spr.layers)
+    l.FlattenLayers(spr.layers)
-    layerUtils.RevealLayers(spr.layers)
+    l.RevealLayers(spr.layers)
 
     app.command.ExportSpriteSheet {
         splitLayers = true
@@ -20,39 +21,35 @@ local function ExportSpritesheetAdvanced()
     spr:close()
 end
 
-local function toggleIgnoreLayer(layer)
-    if (layer.properties(extKey).ignored) then
-        layer.properties(extKey).ignored = false
-    else
-        layer.properties(extKey).ignored = true
-    end
-    colorUtils.SetColorFromRoot(layer)
-end
-
 -- Toggle ignore for all selected layers
--- TODO: should this behavior change when selected layers start with mixed state?
 local function ToggleIgnore()
+    -- Determine whether we are setting or clearing the flag
+    local ignore = false
     for _, layer in ipairs(app.range.layers) do
-        toggleIgnoreLayer(layer)
+        if not p.IsIgnored(layer) then
+            ignore = true
+        end
     end
-end
 
-local function toggleExportAsSpriteLayer(layer)
+    for _, layer in ipairs(app.range.layers) do
-    if not layer.isGroup then return end
+        p.SetIgnored(layer, ignore)
-
+        c.SetColorFromRoot(layer)
-    if (layer.properties(extKey).exportedAsSprite) then
-        layer.properties(extKey).exportedAsSprite = false
-    else
-        layer.properties(extKey).exportedAsSprite = true
     end
-    colorUtils.SetColorFromRoot(layer)
 end
 
 -- Toggle Merge on Export for all selected group layers
--- TODO: should this behavior change when selected layers start with mixed state?
 local function ToggleExportAsSprite()
+    -- Determine whether we are setting or clearing the flag
+    local merge = false
     for _, layer in ipairs(app.range.layers) do
-        toggleExportAsSpriteLayer(layer)
+        if layer.isGroup and not p.IsMerged(layer) then
+            merge = true
+        end
+    end
+    
+    for _, layer in ipairs(app.range.layers) do
+        p.SetMerged(layer, merge)
+        c.SetColorFromRoot(layer)
     end
 end
 

abase-layer.lua

@@ -1,9 +1,11 @@
--- Functions for modifying a sprite's layers based on configuration flags
+-- Functions for modifying layers recursively based on configuration flags
+
+local p = require "abase-properties"
 
 -- Deletes any layers with the 'ignored' property.
 local function DeleteLayers(spr, layers)
     for _, layer in ipairs(layers) do
-        if layer.properties(extKey).ignored then
+        if p.IsIgnored(layer) then
             spr:deleteLayer(layer)
         elseif layer.isGroup then
             DeleteLayers(spr, layer.layers)
@@ -19,7 +21,7 @@ local function FlattenLayers(layers)
             goto continue
         end
 
-        if layer.properties(extKey).exportedAsSprite then
+        if p.IsMerged(layer) then
             app.range.layers = {layer}
             app.command.FlattenLayers(false)
         else

abase-listeners.lua

@@ -1,9 +1,9 @@
-local colorUtils = require "abase-color"
+local c = require "abase-color"
 
 -- recolors all layers in the current sprite
 local function RecolorLayers()
   for i, layer in ipairs(app.sprite.layers) do
-    colorUtils.SetColor(layer)
+    c.SetColor(layer)
   end
 end
 

abase-properties.lua

@@ -0,0 +1,27 @@
+-- functions for retrieving and modifying layer properties
+extKey = "annabunches/abase"
+
+local function IsIgnored(layer)
+    return layer.properties(extKey).ignored
+end
+
+local function IsMerged(layer)
+    return layer.isGroup and layer.properties(extKey).merged
+end
+
+local function SetIgnored(layer, ignore)
+    layer.properties(extKey).ignored = ignore
+end
+
+local function SetMerged(layer, merge)
+    if not layer.isGroup then return end
+    layer.properties(extKey).merged = merge
+end
+
+local export = {
+    IsIgnored = IsIgnored,
+    IsMerged = IsMerged,
+    SetIgnored = SetIgnored,
+    SetMerged = SetMerged,
+}
+return export

advanced-spritesheet-export.lua

@@ -1,5 +1,3 @@
-extKey = "annabunches/abase" -- this must come before we require 'abase-commands'
-
 local cmd = require "abase-commands"
 local listeners = require "abase-listeners"
 

package.json

@@ -2,7 +2,7 @@
     "name": "advanced-spritesheets",
     "displayName": "Advanced Spritesheets",
     "description": "Improved spritesheet export functionality for Aseprite.",
-    "version": "0.0.11",
+    "version": "0.0.12",
     "author": { "name": "Anna Wiggins",
                 "email": "annabunches@gmail.com",
                 "url": "https://annabunches.net" },