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ecs: add modules concept

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-06-25 13:40:46 -07:00 • committed by Stephen Gutekanst
parent 5c4c2d3850
commit 3fddb687bc
2 changed files with 136 additions and 38 deletions
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75
ecs/src/main.zig
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@ -30,6 +30,8 @@ pub const Entities = @import("entities.zig").Entities;
pub const Adapter = @import("systems.zig").Adapter;
pub const System = @import("systems.zig").System;
pub const Module = @import("systems.zig").Module;
pub const Modules = @import("systems.zig").Modules;
pub const World = @import("systems.zig").World;
// TODO:
@ -46,50 +48,57 @@ test "inclusion" {
test "example" {
const allocator = testing.allocator;
const all_components = .{
.example = .{
.physics = u16,
.geometry = u16,
},
};
const modules = Modules(.{
.physics = Module(.{
.components = .{
.id = u16,
},
}),
.geometry = Module(.{
.components = .{
.id = u16,
},
}),
});
//-------------------------------------------------------------------------
// Create a world.
var world = try World(all_components).init(allocator);
var world = try World(modules).init(allocator);
defer world.deinit();
const player1 = try world.entities.new();
const player2 = try world.entities.new();
const player3 = try world.entities.new();
try world.entities.setComponent(player1, .example, .physics, 1234);
try world.entities.setComponent(player1, .example, .geometry, 1234);
try world.entities.setComponent(player1, .physics, .id, 1234);
try world.entities.setComponent(player1, .geometry, .id, 1234);
try world.entities.setComponent(player2, .example, .physics, 1234);
try world.entities.setComponent(player3, .example, .physics, 1234);
try world.entities.setComponent(player2, .physics, .id, 1234);
try world.entities.setComponent(player3, .physics, .id, 1234);
const physics = (struct {
pub fn physics(adapter: *Adapter(all_components)) void {
var iter = adapter.query(&.{"physics"});
std.debug.print("\nphysics ran\n", .{});
while (iter.next()) |row| {
std.debug.print("found entity: {}\n", .{row.entity});
defer row.unlock();
}
}
}).physics;
try world.register("physics", physics);
// TODO: integrate systems with modules.
// const physics = (struct {
// pub fn physics(adapter: *Adapter(modules)) void {
// var iter = adapter.query(&.{"physics"});
// std.debug.print("\nphysics ran\n", .{});
// while (iter.next()) |row| {
// std.debug.print("found entity: {}\n", .{row.entity});
// defer row.unlock();
// }
// }
// }).physics;
// try world.register("physics", physics);
const rendering = (struct {
pub fn rendering(adapter: *Adapter(all_components)) void {
var iter = adapter.query(&.{"geometry"});
std.debug.print("\nrendering ran\n", .{});
while (iter.next()) |row| {
std.debug.print("found entity: {}\n", .{row.entity});
defer row.unlock();
}
}
}).rendering;
try world.register("rendering", rendering);
// const rendering = (struct {
// pub fn rendering(adapter: *Adapter(modules)) void {
// var iter = adapter.query(&.{"geometry"});
// std.debug.print("\nrendering ran\n", .{});
// while (iter.next()) |row| {
// std.debug.print("found entity: {}\n", .{row.entity});
// defer row.unlock();
// }
// }
// }).rendering;
// try world.register("rendering", rendering);
world.tick();
}