sergeypdev
e0e951c46b
Managed to load a huge glb file, not included in commit cause I don't want to use lots of storage in git lfs
66 lines
2.2 KiB
Zig
66 lines
2.2 KiB
Zig
const std = @import("std");
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const types = @import("types.zig");
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const AssetType = types.AssetType;
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const AssetPath = types.AssetPath;
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pub const AssetListEntry = struct {
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type: AssetType,
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// original path of the source asset
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src_path: AssetPath,
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pub fn getAssetId(self: *const AssetListEntry) u64 {
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return self.src_path.hash();
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}
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// Returns the path that can be used for loading the asset
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// TODO: might be a better way to do this
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pub fn getOutputPath(self: *const AssetListEntry, out_buf: []u8) ![]u8 {
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const path_len = self.src_path.strLen();
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if (path_len == 0) return error.InvalidSrcPath;
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const len = path_len + self.type.ext().len + 1;
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if (out_buf.len < len) {
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return error.BufferTooSmall;
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}
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_ = try self.src_path.toStringSep(out_buf, std.fs.path.sep);
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var end = path_len;
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switch (self.src_path) {
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.simple => {
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const ext_len = std.fs.path.extension(out_buf[0..path_len]).len;
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end -= ext_len;
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},
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else => {},
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}
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// Extension
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out_buf[end] = '.';
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const end_with_new_ext = end + 1 + self.type.ext().len;
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@memcpy(out_buf[end + 1 .. end_with_new_ext], self.type.ext());
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return out_buf[0..end_with_new_ext];
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}
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};
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pub fn writeAssetListEntryText(writer: anytype, entry: AssetListEntry) !void {
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try writer.writeAll(@tagName(entry.type));
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try writer.writeByte(0);
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try entry.src_path.writeString(writer);
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try writer.writeByte(0);
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try writer.writeByte('\n');
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}
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pub fn readAssetListEntryText(alloc: std.mem.Allocator, reader: anytype) !AssetListEntry {
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var buf: [std.fs.MAX_PATH_BYTES * 2 + 1]u8 = undefined;
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const asset_type_str = try alloc.dupe(u8, try reader.readUntilDelimiterOrEof(&buf, 0) orelse return error.MissingAssetType);
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const asset_type = std.meta.stringToEnum(AssetType, asset_type_str) orelse return error.InvalidAssetType;
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const src_path_str = try alloc.dupe(u8, try reader.readUntilDelimiterOrEof(&buf, 0) orelse return error.MissingSrcPath);
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const src_path = AssetPath.fromString(src_path_str);
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return AssetListEntry{
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.type = asset_type,
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.src_path = src_path,
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};
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}
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