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Use cbuf for control event queue

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Replace the control_event_queue implementation by cbuf.
This commit is contained in:
Romain Vimont
2019-05-29 21:24:30 +02:00
parent b38292cd69
commit 241a3dcba5
6 changed files with 14 additions and 190 deletions
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49
app/src/control_event.c
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@@ -58,52 +58,3 @@ control_event_destroy(struct control_event *event) {
SDL_free(event->text_event.text);
}
}
bool
control_event_queue_is_empty(const struct control_event_queue *queue) {
return queue->head == queue->tail;
}
bool
control_event_queue_is_full(const struct control_event_queue *queue) {
return (queue->head + 1) % CONTROL_EVENT_QUEUE_SIZE == queue->tail;
}
bool
control_event_queue_init(struct control_event_queue *queue) {
queue->head = 0;
queue->tail = 0;
// the current implementation may not fail
return true;
}
void
control_event_queue_destroy(struct control_event_queue *queue) {
int i = queue->tail;
while (i != queue->head) {
control_event_destroy(&queue->data[i]);
i = (i + 1) % CONTROL_EVENT_QUEUE_SIZE;
}
}
bool
control_event_queue_push(struct control_event_queue *queue,
const struct control_event *event) {
if (control_event_queue_is_full(queue)) {
return false;
}
queue->data[queue->head] = *event;
queue->head = (queue->head + 1) % CONTROL_EVENT_QUEUE_SIZE;
return true;
}
bool
control_event_queue_take(struct control_event_queue *queue,
struct control_event *event) {
if (control_event_queue_is_empty(queue)) {
return false;
}
*event = queue->data[queue->tail];
queue->tail = (queue->tail + 1) % CONTROL_EVENT_QUEUE_SIZE;
return true;
}