mirror of
https://github.com/BlackMATov/unity-flash-tools.git
synced 2026-03-22 12:55:32 +07:00
293 lines
10 KiB
C#
293 lines
10 KiB
C#
using UnityEngine;
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using UnityEditor;
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using System;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Collections.Generic;
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namespace FlashTools.Internal {
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public class SwfAnimationAssetPostprocessor : AssetPostprocessor {
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static void OnPostprocessAllAssets(
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string[] imported_assets,
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string[] deleted_assets,
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string[] moved_assets,
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string[] moved_from_asset_paths)
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{
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var asset_paths = imported_assets
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.Where(p => Path.GetExtension(p).ToLower().Equals(".asset"));
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foreach ( var asset_path in asset_paths ) {
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var asset = AssetDatabase.LoadAssetAtPath<SwfAnimationAsset>(asset_path);
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if ( asset ) {
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AssetProcess(asset_path, asset);
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}
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}
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}
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static void AssetProcess(string asset_path, SwfAnimationAsset asset) {
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try {
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var atlas_asset = LoadAtlasAsset(asset_path);
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if ( atlas_asset != asset.Atlas ) {
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asset.Atlas = atlas_asset;
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ConfigureAtlas(asset_path, asset);
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ConfigureBakedFrames(asset_path, asset);
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EditorUtility.SetDirty(asset);
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AssetDatabase.SaveAssets();
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}
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} catch ( Exception e ) {
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Debug.LogErrorFormat(
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"Postprocess swf animation asset error: {0}",
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e.Message);
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}
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}
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static Texture2D LoadAtlasAsset(string asset_path) {
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return AssetDatabase.LoadAssetAtPath<Texture2D>(
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GetAtlasPath(asset_path));
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}
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static string GetAtlasPath(string asset_path) {
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return Path.ChangeExtension(asset_path, ".png");
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}
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// ------------------------------------------------------------------------
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//
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// ConfigureAtlas
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//
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// ------------------------------------------------------------------------
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static void ConfigureAtlas(string asset_path, SwfAnimationAsset asset) {
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var atlas_importer = GetBitmapsAtlasImporter(asset_path);
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var atlas_importer_size = GetSizeFromTextureImporter(atlas_importer);
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atlas_importer.spritesheet = asset.Data.Bitmaps
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.Select(bitmap => new SpriteMetaData{
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name = bitmap.Id.ToString(),
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rect = new Rect(
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bitmap.SourceRect.xMin * atlas_importer_size.x,
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bitmap.SourceRect.yMin * atlas_importer_size.y,
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bitmap.SourceRect.width * atlas_importer_size.x,
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bitmap.SourceRect.height * atlas_importer_size.y)})
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.ToArray();
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atlas_importer.textureType = TextureImporterType.Sprite;
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atlas_importer.spriteImportMode = SpriteImportMode.Multiple;
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atlas_importer.spritePixelsPerUnit = asset.Settings.PixelsPerUnit;
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atlas_importer.mipmapEnabled = asset.Settings.GenerateMipMaps;
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atlas_importer.filterMode = SwfAtlasFilterToImporterFilter(asset.Settings.AtlasTextureFilter);
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atlas_importer.textureFormat = SwfAtlasFormatToImporterFormat(asset.Settings.AtlasTextureFormat);
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AssetDatabase.ImportAsset(
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GetAtlasPath(asset_path),
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ImportAssetOptions.ForceUpdate);
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}
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static TextureImporter GetBitmapsAtlasImporter(string asset_path) {
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var atlas_path = GetAtlasPath(asset_path);
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var atlas_importer = AssetImporter.GetAtPath(atlas_path) as TextureImporter;
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if ( !atlas_importer ) {
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throw new UnityException(string.Format(
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"atlas texture importer not found ({0})",
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atlas_path));
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}
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return atlas_importer;
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}
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static Vector2 GetSizeFromTextureImporter(TextureImporter importer) {
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var method_args = new object[2]{0,0};
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typeof(TextureImporter)
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.GetMethod("GetWidthAndHeight", BindingFlags.NonPublic | BindingFlags.Instance)
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.Invoke(importer, method_args);
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return new Vector2((int)method_args[0], (int)method_args[1]);
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}
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static FilterMode SwfAtlasFilterToImporterFilter(
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SwfSettings.AtlasFilter filter)
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{
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switch ( filter ) {
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case SwfSettings.AtlasFilter.Point:
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return FilterMode.Point;
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case SwfSettings.AtlasFilter.Bilinear:
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return FilterMode.Bilinear;
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case SwfSettings.AtlasFilter.Trilinear:
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return FilterMode.Trilinear;
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default:
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throw new UnityException(string.Format(
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"incorrect swf atlas filter ({0})",
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filter));
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}
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}
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static TextureImporterFormat SwfAtlasFormatToImporterFormat(
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SwfSettings.AtlasFormat format)
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{
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switch ( format ) {
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case SwfSettings.AtlasFormat.AutomaticCompressed:
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return TextureImporterFormat.AutomaticCompressed;
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case SwfSettings.AtlasFormat.Automatic16bit:
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return TextureImporterFormat.Automatic16bit;
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case SwfSettings.AtlasFormat.AutomaticTruecolor:
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return TextureImporterFormat.AutomaticTruecolor;
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case SwfSettings.AtlasFormat.AutomaticCrunched:
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return TextureImporterFormat.AutomaticCrunched;
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default:
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throw new UnityException(string.Format(
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"incorrect swf atlas format ({0})",
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format));
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}
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}
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// ------------------------------------------------------------------------
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//
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// ConfigureBakedFrames
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//
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// ------------------------------------------------------------------------
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class BakedGroup {
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public SwfAnimationInstanceType Type;
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public int ClipDepth;
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public List<int> Triangles;
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public Material Material;
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}
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static void ConfigureBakedFrames(string asset_path, SwfAnimationAsset asset) {
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var baked_frames = new List<SwfAnimationAsset.Frame>();
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if ( asset && asset.Atlas && asset.Data != null && asset.Data.Frames.Count > 0 ) {
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for ( var i = 0; i < asset.Data.Frames.Count; ++i ) {
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var frame = asset.Data.Frames[i];
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var baked_frame = BakeFrameFromAnimationFrame(asset, frame);
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baked_frames.Add(baked_frame);
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}
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}
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asset.Frames = baked_frames;
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}
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static SwfAnimationAsset.Frame BakeFrameFromAnimationFrame(
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SwfAnimationAsset asset, SwfAnimationFrameData frame)
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{
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List<Vector2> baked_uvs = new List<Vector2>();
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List<Color> baked_mulcolors = new List<Color>();
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List<Vector4> baked_addcolors = new List<Vector4>();
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List<Vector3> baked_vertices = new List<Vector3>();
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List<BakedGroup> baked_groups = new List<BakedGroup>();
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List<Material> baked_materials = new List<Material>();
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for ( var i = 0; i < frame.Instances.Count; ++i ) {
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var inst = frame.Instances[i];
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var bitmap = inst != null
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? FindBitmapFromAnimationData(asset.Data, inst.Bitmap)
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: null;
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if ( bitmap != null ) {
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var width = bitmap.RealSize.x / 20.0f; //TODO: twips?
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var height = bitmap.RealSize.y / 20.0f; //TODO: twips?
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var v0 = new Vector3( 0, 0, 0);
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var v1 = new Vector3(width, 0, 0);
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var v2 = new Vector3(width, height, 0);
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var v3 = new Vector3( 0, height, 0);
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var matrix =
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Matrix4x4.Scale(new Vector3(
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+1.0f / asset.Settings.PixelsPerUnit,
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-1.0f / asset.Settings.PixelsPerUnit,
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+1.0f / asset.Settings.PixelsPerUnit)) * inst.Matrix;
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baked_vertices.Add(matrix.MultiplyPoint3x4(v0));
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baked_vertices.Add(matrix.MultiplyPoint3x4(v1));
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baked_vertices.Add(matrix.MultiplyPoint3x4(v2));
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baked_vertices.Add(matrix.MultiplyPoint3x4(v3));
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var source_rect = bitmap.SourceRect;
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baked_uvs.Add(new Vector2(source_rect.xMin, source_rect.yMin));
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baked_uvs.Add(new Vector2(source_rect.xMax, source_rect.yMin));
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baked_uvs.Add(new Vector2(source_rect.xMax, source_rect.yMax));
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baked_uvs.Add(new Vector2(source_rect.xMin, source_rect.yMax));
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baked_mulcolors.Add(inst.ColorTransform.Mul);
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baked_mulcolors.Add(inst.ColorTransform.Mul);
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baked_mulcolors.Add(inst.ColorTransform.Mul);
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baked_mulcolors.Add(inst.ColorTransform.Mul);
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baked_addcolors.Add(inst.ColorTransform.Add);
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baked_addcolors.Add(inst.ColorTransform.Add);
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baked_addcolors.Add(inst.ColorTransform.Add);
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baked_addcolors.Add(inst.ColorTransform.Add);
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if ( baked_groups.Count == 0 ||
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baked_groups[baked_groups.Count - 1].Type != inst.Type ||
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baked_groups[baked_groups.Count - 1].ClipDepth != inst.ClipDepth )
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{
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baked_groups.Add(new BakedGroup{
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Type = inst.Type,
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ClipDepth = inst.ClipDepth,
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Triangles = new List<int>(),
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Material = null
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});
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}
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baked_groups.Last().Triangles.Add(baked_vertices.Count - 4 + 2);
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baked_groups.Last().Triangles.Add(baked_vertices.Count - 4 + 1);
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baked_groups.Last().Triangles.Add(baked_vertices.Count - 4 + 0);
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baked_groups.Last().Triangles.Add(baked_vertices.Count - 4 + 0);
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baked_groups.Last().Triangles.Add(baked_vertices.Count - 4 + 3);
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baked_groups.Last().Triangles.Add(baked_vertices.Count - 4 + 2);
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}
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}
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var default_converter = SwfConverterSettings.GetDefaultConverter();
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for ( var i = 0; i < baked_groups.Count; ++i ) {
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var group = baked_groups[i];
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switch ( group.Type ) {
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case SwfAnimationInstanceType.Mask:
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group.Material = default_converter.GetIncrMaskMaterial();
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break;
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case SwfAnimationInstanceType.Group:
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group.Material = default_converter.GetSimpleMaterial();
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break;
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case SwfAnimationInstanceType.Masked:
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group.Material = default_converter.GetMaskedMaterial(group.ClipDepth);
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break;
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case SwfAnimationInstanceType.MaskReset:
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group.Material = default_converter.GetDecrMaskMaterial();
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break;
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default:
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throw new UnityException(string.Format(
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"SwfAnimationAssetPostprocessor. Incorrect instance type: {0}",
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group.Type));
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}
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if ( group.Material ) {
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baked_materials.Add(group.Material);
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} else {
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throw new UnityException(string.Format(
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"SwfAnimationAssetPostprocessor. Material for baked group ({0}) not found",
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group.Type));
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}
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}
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var mesh = new Mesh();
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mesh.subMeshCount = baked_groups.Count;
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mesh.SetVertices(baked_vertices);
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for ( var i = 0; i < baked_groups.Count; ++i ) {
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mesh.SetTriangles(baked_groups[i].Triangles, i);
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}
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mesh.SetUVs(0, baked_uvs);
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mesh.SetUVs(1, baked_addcolors);
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mesh.SetColors(baked_mulcolors);
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mesh.RecalculateNormals();
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//TODO: add remove all old meshes
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AssetDatabase.AddObjectToAsset(mesh, asset);
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return new SwfAnimationAsset.Frame{
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Mesh = mesh,
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Materials = baked_materials.ToArray()};
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}
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static SwfAnimationBitmapData FindBitmapFromAnimationData(SwfAnimationData data, int bitmap_id) {
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for ( var i = 0; i < data.Bitmaps.Count; ++i ) {
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var bitmap = data.Bitmaps[i];
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if ( bitmap.Id == bitmap_id ) {
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return bitmap;
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}
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}
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return null;
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}
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}
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} |