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make it clear how to use module system without mach.Core (remove mach.App)

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-08-24 21:34:35 -07:00 • committed by Stephen Gutekanst
parent 7ac5bef717
commit 642cc9b7f7
20 changed files with 567 additions and 334 deletions
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25
examples/core/triangle/App.zig
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@ -5,8 +5,8 @@ pub const name = .app;
pub const Mod = mach.Mod(@This());
pub const systems = .{
.start = .{ .handler = start },
.init = .{ .handler = init },
.after_init = .{ .handler = afterInit },
.deinit = .{ .handler = deinit },
.tick = .{ .handler = tick },
};
@ -14,17 +14,20 @@ pub const systems = .{
title_timer: mach.Timer,
pipeline: *gpu.RenderPipeline,
pub fn deinit(core: *mach.Core.Mod, game: *Mod) void {
game.state().pipeline.release();
pub fn deinit(core: *mach.Core.Mod, app: *Mod) void {
app.state().pipeline.release();
core.schedule(.deinit);
}
fn init(game: *Mod, core: *mach.Core.Mod) !void {
fn start(app: *Mod, core: *mach.Core.Mod) !void {
core.schedule(.init);
game.schedule(.after_init);
app.schedule(.init);
}
fn afterInit(game: *Mod, core: *mach.Core.Mod) !void {
fn init(app: *Mod, core: *mach.Core.Mod) !void {
core.state().on_tick = app.system(.tick);
core.state().on_exit = app.system(.deinit);
// Create our shader module
const shader_module = core.state().device.createShaderModuleWGSL("shader.wgsl", @embedFile("shader.wgsl"));
defer shader_module.release();
@ -58,7 +61,7 @@ fn afterInit(game: *Mod, core: *mach.Core.Mod) !void {
const pipeline = core.state().device.createRenderPipeline(&pipeline_descriptor);
// Store our render pipeline in our module's state, so we can access it later on.
game.init(.{
app.init(.{
.title_timer = try mach.Timer.start(),
.pipeline = pipeline,
});
@ -67,7 +70,7 @@ fn afterInit(game: *Mod, core: *mach.Core.Mod) !void {
core.schedule(.start);
}
fn tick(core: *mach.Core.Mod, game: *Mod) !void {
fn tick(core: *mach.Core.Mod, app: *Mod) !void {
var iter = core.state().pollEvents();
while (iter.next()) |event| {
switch (event) {
@ -101,7 +104,7 @@ fn tick(core: *mach.Core.Mod, game: *Mod) !void {
defer render_pass.release();
// Draw
render_pass.setPipeline(game.state().pipeline);
render_pass.setPipeline(app.state().pipeline);
render_pass.draw(3, 1, 0, 0);
// Finish render pass
@ -116,8 +119,8 @@ fn tick(core: *mach.Core.Mod, game: *Mod) !void {
core.schedule(.present_frame);
// update the window title every second
if (game.state().title_timer.read() >= 1.0) {
game.state().title_timer.reset();
if (app.state().title_timer.read() >= 1.0) {
app.state().title_timer.reset();
try updateWindowTitle(core);
}
}