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[MODS/WASM]: Get tables, elems, data and more VM instructions working

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luccie-cmd 2025-08-05 22:59:41 +02:00
parent 5bd3e6c57b
commit a295365993
5 changed files with 381 additions and 64 deletions
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31
src/sideros.zig
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@ -1,5 +1,6 @@
pub const ecs = @import("ecs");
pub const Renderer = @import("renderer");
pub const mods = @import("mods");
const api = @cImport({
@cInclude("sideros_api.h");
@ -12,6 +13,35 @@ const allocator = gpa.allocator();
var pool: ecs.Pool = undefined;
var renderer: Renderer = undefined;
fn init_mods() void {
var global_runtime = mods.GlobalRuntime.init(allocator);
defer global_runtime.deinit();
// const file = std.fs.cwd().openFile("assets/core.wasm", .{}) catch @panic("Couldn't open assets/core.wasm");
const file = std.fs.cwd().openFile("./test.wasm", .{}) catch @panic("Couldn't open test.wasm");
const all = file.readToEndAlloc(allocator, 1_000_000) catch @panic("Unable to read the file"); // 1 MB
defer allocator.free(all);
var parser = mods.Parser.init(allocator, all) catch @panic("Failed to init parser");
defer parser.deinit();
parser.parseModule() catch |err| {
std.debug.panic("[ERROR]: error {any} at byte {x}(0x{x})\n", .{ err, parser.byte_idx, parser.bytes[parser.byte_idx] });
};
const module = parser.module();
defer module.deinit(allocator);
for (0..parser.globalTypes.len) |i| {
global_runtime.addGlobal(@intCast(i), parser.globalTypes[i], parser.globalValues[i]) catch @panic("Failed to add runtime global");
}
var runtime = mods.Runtime.init(allocator, module, &global_runtime) catch @panic("Failed to init runtime");
defer runtime.deinit(allocator);
var parameters = [_]mods.VM.Value{.{ .i32 = 17 }};
runtime.callExternal(allocator, .preinit, &parameters) catch @panic("Failed to call to preinit");
const result = runtime.stack.pop().?;
std.debug.print("Result of preinit: {any}\n", .{result});
}
export fn sideros_init(init: api.GameInit) callconv(.c) void {
pool = ecs.Pool.init(allocator, .{
.camera = .{
@ -26,6 +56,7 @@ export fn sideros_init(init: api.GameInit) callconv(.c) void {
pool.addSystemGroup(&[_]ecs.System{Renderer.render}, true) catch @panic("TODO: Gracefuly handle error");
pool.resources.renderer = &renderer;
pool.tick();
// init_mods();
}
export fn sideros_update(gameUpdate: api.GameUpdate) callconv(.c) void {