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manager.v
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manager.v
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module sprite
import gx
import arrays
import beatrice.graphic.backend
pub struct Manager {
mut:
last_time f64
experimental bool = true
pub mut:
queue []&Sprite
processed []&Sprite
}
pub fn (mut manager Manager) add(mut sprite Sprite) {
manager.queue << unsafe { &sprite }
manager.queue.sort(a.time.start < b.time.start)
}
pub fn (mut manager Manager) update(time f64) {
if manager.experimental {
manager.update_experimental(time)
return
}
manager.last_time = time
for mut sprite in manager.queue {
// Remove if old
if time >= sprite.time.end && !sprite.always_visible {
manager.queue.delete(manager.queue.index(sprite))
continue
}
if sprite.is_available_at(time) || sprite.always_visible {
sprite.update(time)
}
}
}
pub fn (mut manager Manager) update_experimental(time f64) {
manager.last_time = time
mut to_remove := 0
for i := 0; i < manager.queue.len; i++ {
mut c := unsafe { manager.queue[i] }
if time < c.time.start && !c.always_visible {
break
}
to_remove++
}
if to_remove > 0 {
for i := 0; i < to_remove; i++ {
mut s := unsafe { manager.queue[i] }
manager.processed << &Sprite{}
arrays.copy(mut manager.processed[1..], manager.processed[0..])
manager.processed[0] = s
}
manager.queue = manager.queue[to_remove..]
}
for i := 0; i < manager.processed.len; i++ {
mut c := unsafe { manager.processed[i] }
c.update(time)
if time >= c.time.end && !c.always_visible {
arrays.copy(mut manager.processed[i..], manager.processed[i + 1..])
manager.processed = manager.processed[..manager.processed.len - 1]
i--
}
}
}
pub fn (mut manager Manager) draw(arg backend.DrawConfig) {
if manager.experimental {
manager.draw_experimental(arg)
return
}
mut draw_count := 0
for mut sprite in manager.queue {
if sprite.is_available_at(manager.last_time) || sprite.always_visible {
draw_count++
sprite.draw(arg)
}
}
$if sprite_debug ? {
arg.backend.draw_text(20, 50, 'Manager: ${draw_count} drawing', gx.TextCfg{
color: gx.white
size: 30
})
}
}
pub fn (mut manager Manager) draw_experimental(arg backend.DrawConfig) {
for i := manager.processed.len - 1; i >= 0; i-- {
manager.processed[i].draw(arg)
}
$if sprite_debug ? {
arg.backend.draw_text(20, 50, 'Manager: ${manager.processed.len} drawing', gx.TextCfg{
color: gx.white
size: 30
})
}
}
// Factory
pub fn new_manager() &Manager {
mut manager := &Manager{}
return manager
}