77 lines
2.7 KiB
Zig
77 lines
2.7 KiB
Zig
const std = @import("std");
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pub fn main() !void {
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var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
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defer arena.deinit();
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const allocator = arena.allocator();
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// Get output filename from build system
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const args = try std.process.argsAlloc(allocator);
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if (args.len < 3) @panic("Missing output filename");
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const out_path = args[1];
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// Generate a startup module function that invokes
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// startup module for each zig function
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// and generates an api
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var content = std.ArrayList(u8).init(allocator);
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var writer = content.writer();
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const content_path = args[2];
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std.debug.print("content path: {s}\n", .{content_path});
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// check the content directory and search for all _spv files
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var dir = try std.fs.cwd().openDir("content/_shaders", .{ .iterate = true });
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defer dir.close();
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_ = try writer.write(
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\\ pub const core = @import("core").module;
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\\
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\\ pub fn installStaticResources() !void {
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\\
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);
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var shaderFileEmbeds = std.ArrayList([]const u8).init(allocator);
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var walker = dir.iterate();
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while (try walker.next()) |shaderType| {
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std.debug.print("Walk: {s}\n", .{shaderType.name});
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if (shaderType.kind == .directory) {
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var d2 = try dir.openDir(shaderType.name, .{ .iterate = true });
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defer d2.close();
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var w2 = d2.iterate();
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while (try w2.next()) |shaderName| {
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const shaderPath = try std.fmt.allocPrint(allocator, "_shaders/{s}/{s}", .{ shaderType.name, shaderName.name });
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std.debug.print("mounted path: {s} => {s}\n", .{ shaderPath, shaderName.name });
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try writer.print(
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"{{ const embedded align(8) = @embedFile(\"{s}\").*;\n_ = try core.fs().installFileBytesMount(\"{s}\", @constCast(&embedded), true);}}\n",
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.{ shaderName.name, shaderPath },
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);
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try shaderFileEmbeds.append(shaderName.name);
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}
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}
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}
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_ = try writer.write(
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\\ }
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);
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try writer.print("const std = @import(\"std\");", .{});
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// Write to specified output file
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// Open or create the file for writing (overwrites if it exists)
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const file = try std.fs.cwd().createFile(out_path, .{});
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defer file.close();
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try content.append(0);
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var ast = try std.zig.Ast.parse(allocator, @as([:0]const u8, @ptrCast(content.items[0 .. content.items.len - 1])), .zig);
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std.debug.print("output=\n{s}", .{content.items[0 .. content.items.len - 1]});
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defer ast.deinit(allocator);
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const out = try ast.render(allocator);
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// Write the content to the file
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try file.writeAll(out);
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}
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