zig/mach
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

examples/core: building without ECS

Browse source 
Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-09-22 13:25:49 -07:00 • committed by Emi Gutekanst
parent 2a13c07d9e
commit 0e12857154
35 changed files with 1365 additions and 4176 deletions
Download patch file Download diff file Expand all files Collapse all files

45
examples/core-custom-entrypoint/main.zig
View file

@ -1,40 +1,37 @@
const std = @import("std");
const mach = @import("mach");
// The global list of Mach modules our application may use.
pub const modules = .{
// The set of Mach modules our application may use.
const Modules = mach.Modules(.{
mach.Core,
@import("App.zig"),
};
});
pub fn main() !void {
const allocator = std.heap.c_allocator;
// Initialize module system
try mach.mods.init(allocator);
// The set of Mach modules our application may use.
var mods = Modules.init(allocator);
// Schedule .app.start to run.
mach.mods.schedule(.app, .start);
// If desired, it is possible to observe when the app has finished starting by dispatching
// systems until the app has started:
try mach.mods.dispatchUntil(.mach_core, .started);
// On some platforms, you can drive the mach.Core main loop yourself - but this isn't
// possible on all platforms.
// On some platforms, you can drive the mach.Core main loop yourself - but this isn't possible
// on all platforms. If mach.Core.non_blocking is set to true, and the platform supports
// non-blocking mode, then .mach_core.main will return without blocking. Otherwise it will block
// forever and app.run(.main) will never return.
if (mach.Core.supports_non_blocking) {
defer mods.deinit(allocator);
mach.Core.non_blocking = true;
while (mach.mods.mod.mach_core.state().state != .exited) {
// Execute systems until a frame has been finished.
try mach.mods.dispatchUntil(.mach_core, .frame_finished);
const app = mods.get(.app);
app.run(.main);
// If you are driving the main loop yourself, you should call tick until exit.
const core = mods.get(.mach_core);
while (mods.mods.mach_core.state != .exited) {
core.run(.tick);
}
} else {
// On platforms where you cannot control the mach.Core main loop, the .mach_core.start
// system your app schedules will block forever and the function call below will NEVER
// return (std.process.exit will occur first.)
//
// In this case we can just dispatch systems until there are no more left to execute, which
// conviently works even if you aren't using mach.Core in your program.
try mach.mods.dispatch(.{});
const app = mods.get(.app);
app.run(.main);
}
}