cieric/SpacetimeDB-Zig
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Added support for nested structs

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This commit is contained in:
ookami125 2025-03-23 05:24:55 -04:00
parent ba5cadfb1b
commit bb444a9755
5 changed files with 296 additions and 117 deletions
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45
src/main.zig
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@ -7,23 +7,30 @@ pub export fn spacetime_includes() void {
}
pub const moduleTablesDef = .{
.Person = Person,
.person = Person,
};
pub const moduleReducersDef = .{
.Init = spacetime.Reducer(Init){ .lifecycle = .Init },
.OnConnect = spacetime.Reducer(OnConnect){ .lifecycle = .OnConnect },
.OnDisconnect = spacetime.Reducer(OnDisconnect){ .lifecycle = .OnDisconnect },
.add = spacetime.Reducer(add){ .param_names = &[_][:0]const u8{ "name", "age", "blah" }},
.add = spacetime.Reducer(add){ .param_names = &[_][:0]const u8{ "name" }},
.say_hello = spacetime.Reducer(say_hello){},
};
pub const DbVector2 = spacetime.Struct(.{
.name = "DbVector2",
.fields = &[_]spacetime.StructFieldDecl{
.{ .name = "x", .type = f32, },
.{ .name = "y", .type = f32 },
},
});
pub const Person = spacetime.Struct(.{
.name = "person",
.fields = &[_]spacetime.StructFieldDecl{
.{ .name = "name", .type = .String, },
.{ .name = "age", .type = .U32, },
.{ .name = "blah", .type = .U64, },
.{ .name = "name", .type = []const u8, },
.{ .name = "pos", .type = DbVector2, },
},
});
@ -45,22 +52,22 @@ pub fn OnDisconnect(ctx: *spacetime.ReducerContext) void {
spacetime.print("[OnDisconnect]");
}
pub fn add(ctx: *spacetime.ReducerContext, name: []const u8, age: u32, blah: u64) void {
const personTable = ctx.*.db.get(moduleTablesDef.Person);
personTable.insert(Person{ .name = name, .age = age, .blah = blah });
pub fn add(ctx: *spacetime.ReducerContext, name: []const u8) void {
const personTable = ctx.*.db.get(moduleTablesDef.person);
personTable.insert(Person{ .name = name, .pos = DbVector2{ .x = 10.4, .y = 20.6 } });
var buf: [128]u8 = undefined;
spacetime.print(std.fmt.bufPrint(&buf, "[add] {{{s}, {}}}!", .{ name, age }) catch "[add] Error: name to long");
var buf: [128]u8 = undefined;
spacetime.print(std.fmt.bufPrint(&buf, "[add] {{{s}}}!", .{ name }) catch "[add] Error: name to long");
}
pub fn say_hello(ctx: *spacetime.ReducerContext) void {
var personIter = ctx.*.db.get(moduleTablesDef.Person).iter();
while(personIter.next() catch {
@panic("person Iter errored!");
}) |person| {
var buffer: [512]u8 = undefined;
const msg = std.fmt.bufPrint(&buffer, "Hello, {s} (age: {})!", .{ person.name, person.age }) catch "<Unknown>";
spacetime.print(msg);
}
spacetime.print("Hello, World!");
var personIter = ctx.*.db.get(moduleTablesDef.person).iter();
while(personIter.next() catch {
@panic("person Iter errored!");
}) |person| {
var buffer: [512]u8 = undefined;
const msg = std.fmt.bufPrint(&buffer, "Hello, {s} (pos: {{{d}, {d}}})!", .{ person.name, person.pos.x, person.pos.y }) catch "<Unknown>";
spacetime.print(msg);
}
spacetime.print("Hello, World!");
}