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examples: migrate custom-renderer to mach.Core module API

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-04-08 22:57:21 -07:00 • committed by Stephen Gutekanst
parent 013546b189
commit 27fd19271c
4 changed files with 32 additions and 24 deletions
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21
examples/custom-renderer/Game.zig
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@ -1,6 +1,5 @@
const std = @import("std");
const mach = @import("mach");
const core = mach.core;
const math = mach.math;
const Renderer = @import("Renderer.zig");
@ -44,16 +43,16 @@ fn init(
// These are injected dependencies - as long as these modules were registered in the top-level
// of the program we can have these types injected here, letting us work with other modules in
// our program seamlessly and with a type-safe API:
engine: *mach.Engine.Mod,
core: *mach.Core.Mod,
renderer: *Renderer.Mod,
game: *Mod,
) !void {
// The Mach .core is where we set window options, etc.
// TODO(important): replace this API with something better
core.setTitle("Hello, ECS!");
mach.core.setTitle("Hello, ECS!");
// Create our player entity.
const player = try engine.newEntity();
const player = try core.newEntity();
// Give our player entity a .renderer.position and .renderer.scale component. Note that these
// are defined by the Renderer module, so we use `renderer: *Renderer.Mod` to interact with
@ -77,12 +76,12 @@ fn init(
// TODO(important): remove need for returning an error here
fn tick(
engine: *mach.Engine.Mod,
core: *mach.Core.Mod,
renderer: *Renderer.Mod,
game: *Mod,
) !void {
// TODO(important): event polling should occur in mach.Engine module and get fired as ECS event.
var iter = core.pollEvents();
// TODO(important): event polling should occur in mach.Core module and get fired as ECS event.
var iter = mach.core.pollEvents();
var direction = game.state().direction;
var spawning = game.state().spawning;
while (iter.next()) |event| {
@ -107,7 +106,7 @@ fn tick(
else => {},
}
},
.close => engine.send(.exit, .{}), // Send an event telling the engine to exit the app
.close => core.send(.exit, .{}), // Send an event telling mach to exit the app
else => {},
}
}
@ -129,7 +128,7 @@ fn tick(
_ = game.state().spawn_timer.lap(); // Reset the timer
for (0..5) |_| {
// Spawn a new entity at the same position as the player, but smaller in scale.
const new_entity = try engine.newEntity();
const new_entity = try core.newEntity();
try renderer.set(new_entity, .position, player_pos);
try renderer.set(new_entity, .scale, 1.0 / 6.0);
@ -150,7 +149,7 @@ fn tick(
// Query all the entities that have the .follower tag indicating they should follow the player.
// TODO(important): better querying API
var archetypes_iter = engine.entities.query(.{ .all = &.{
var archetypes_iter = core.entities.query(.{ .all = &.{
.{ .game = &.{.follower} },
} });
while (archetypes_iter.next()) |archetype| {
@ -164,7 +163,7 @@ fn tick(
const close_dist = 1.0 / 15.0;
var avoidance = Vec3.splat(0);
var avoidance_div: f32 = 1.0;
var archetypes_iter_2 = engine.entities.query(.{ .all = &.{
var archetypes_iter_2 = core.entities.query(.{ .all = &.{
.{ .game = &.{.follower} },
} });
while (archetypes_iter_2.next()) |archetype_2| {