50 lines
1.5 KiB
Zig
50 lines
1.5 KiB
Zig
pub const Core = @import("Core.zig");
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pub const gpu = @import("gpu");
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pub const ecs = @import("ecs");
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/// The Mach engine ECS module. This enables access to `engine.get(.mach, .core)` `*Core` APIs, as
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/// to for example `.setOptions(.{.title = "foobar"})`, or to access the GPU device via
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/// `engine.get(.mach, .device)`
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pub const module = ecs.Module(.{
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.globals = struct {
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core: *Core,
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device: *gpu.Device,
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},
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});
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pub fn App(
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comptime modules: anytype,
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comptime app_init: anytype, // fn (engine: *ecs.World(modules)) !void
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) type {
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// TODO: validate modules.mach is the expected type.
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// TODO: validate init has the right function signature
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return struct {
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engine: ecs.World(modules),
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pub fn init(app: *@This(), core: *Core) !void {
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app.* = .{
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.engine = try ecs.World(modules).init(core.allocator),
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};
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app.*.engine.set(.mach, .core, core);
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app.*.engine.set(.mach, .device, core.device);
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try app_init(&app.engine);
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}
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pub fn deinit(app: *@This(), _: *Core) void {
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app.engine.deinit();
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}
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pub fn update(app: *@This(), _: *Core) !void {
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app.engine.tick();
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}
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pub fn resize(app: *@This(), core: *Core, width: u32, height: u32) !void {
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_ = app;
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_ = core;
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_ = width;
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_ = height;
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// TODO: send resize messages to ECS modules
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}
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};
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}
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