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module: change state to avoid undefined, remove global allocator

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-04-05 17:05:48 -07:00 • committed by Stephen Gutekanst
parent 5dbf9ece3b
commit cf883f5544
11 changed files with 271 additions and 222 deletions
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22
examples/custom-renderer/Game.zig
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@ -55,11 +55,11 @@ fn init(
try renderer.set(player, .location, vec3(0, 0, 0));
try renderer.set(player, .scale, 1.0);
game.state = .{
game.init(.{
.timer = try mach.Timer.start(),
.spawn_timer = try mach.Timer.start(),
.player = player,
};
});
}
// TODO(engine): remove need for returning an error here
@ -70,8 +70,8 @@ fn tick(
) !void {
// TODO(engine): event polling should occur in mach.Engine module and get fired as ECS events.
var iter = core.pollEvents();
var direction = game.state.direction;
var spawning = game.state.spawning;
var direction = game.state().direction;
var spawning = game.state().spawning;
while (iter.next()) |event| {
switch (event) {
.key_press => |ev| {
@ -98,14 +98,14 @@ fn tick(
else => {},
}
}
game.state.direction = direction;
game.state.spawning = spawning;
game.state().direction = direction;
game.state().spawning = spawning;
var player_pos = renderer.get(game.state.player, .location).?;
if (spawning and game.state.spawn_timer.read() > 1.0 / 60.0) {
var player_pos = renderer.get(game.state().player, .location).?;
if (spawning and game.state().spawn_timer.read() > 1.0 / 60.0) {
for (0..10) |_| {
// Spawn a new follower entity
_ = game.state.spawn_timer.lap();
_ = game.state().spawn_timer.lap();
const new_entity = try engine.newEntity();
try game.set(new_entity, .follower, {});
try renderer.set(new_entity, .location, player_pos);
@ -114,7 +114,7 @@ fn tick(
}
// Multiply by delta_time to ensure that movement is the same speed regardless of the frame rate.
const delta_time = game.state.timer.lap();
const delta_time = game.state().timer.lap();
// Move following entities closer to us.
var archetypes_iter = engine.entities.query(.{ .all = &.{
@ -165,5 +165,5 @@ fn tick(
const speed = 1.0;
player_pos.v[0] += direction.x() * speed * delta_time;
player_pos.v[1] += direction.y() * speed * delta_time;
try renderer.set(game.state.player, .location, player_pos);
try renderer.set(game.state().player, .location, player_pos);
}