Fumofumotris/source/fumoengine/input/ctrl.c
Julia fb8c14a443 d
d
2024-05-08 17:07:31 -05:00

162 lines
3.7 KiB
C

#include "ctrl.h"
#include "ringbuffer.h"
#define INIT_SIZE 16
DictT CODES_T = DICT_T(struct ControlAxis);
DictT BINDS_T = DICT_T(struct ControlAxis *);
bool CreateController(struct Controller *ctrl)
{
if (!CreateDictionary(CODES_T, &ctrl->codes))
return false;
if (!CreateDictionary(BINDS_T, &ctrl->binds))
return false;
*ctrl = (struct Controller) { .pending.len = 0 };
return true;
}
void FreeController(struct Controller *ctrl)
{
FreeDictionary(&ctrl->codes);
FreeDictionary(&ctrl->binds);
}
struct ControlAxis *find_axis(struct ctrl_dict *dict, union InputID id)
{
struct ctrl_bkt *bkt = find(dict, id);
if (bkt == nullptr)
return nullptr;
return bkt->axis;
}
struct ControlAxis *ControllerMap(
struct Controller *ctrl,
struct ControlMapping *map
) {
struct ControlAxis *axis = DictionarySet(CODES_T, &ctrl->codes, map->code);
struct ctrl_bkt *bind_bkt = set(&ctrl->binds, map->bind, map->type);
if (code_bkt->axis == nullptr)
code_bkt->axis = &ctrl->axis_vec.axes[ctrl->axis_vec.len++];
else if (code_bkt->axis == bind_bkt->axis)
return nullptr;
bind_bkt->axis = code_bkt->axis;
code_bkt->axis->id.type = map->type;
return code_bkt->axis;
}
bool ControllerMapMulti(
struct Controller *ctrl,
usize n,
struct ControlMapping *maps,
struct ControlAxis **axis_ptrs
) {
for (usize i = 0; i < n; i++) {
struct ControlAxis *axis = ControllerMap(ctrl, maps + i);
if (axis == nullptr)
return false;
axis_ptrs[i] = axis;
}
return true;
}
struct ControlAxis *ControllerGet(struct Controller *ctrl, u16f code, u16f type)
{
struct ctrl_bkt *code_bkt = find(&ctrl->codes, as_id(code, type));
if (code_bkt == nullptr)
return nullptr;
return code_bkt->axis;
}
void dispatch_update(struct ControlAxis *axis, struct InputRecord *rec)
{
if (rec->is_down and !axis->is_held) {
axis->is_down = true;
axis->is_held = true;
axis->last_pressed = rec->time;
} else if (rec->is_up) {
axis->is_up = true;
axis->is_held = false;
axis->last_released = rec->time;
}
axis->data = rec->data;
}
void ControllerPoll(struct Controller *ctrl, struct RecordBuffer *recs)
{
for (usize i = 0; i < ctrl->pending.len; i++) {
struct ControlAxis *axis = ctrl->pending.buf[i];
axis->is_up = false;
axis->is_down = false;
}
ctrl->pending.len = 0;
for (usize i = 0; i < recs->head.len; i++) {
struct InputRecord *rec = &recs->buf[i];
struct ControlAxis *axis = find_axis(&ctrl->binds, rec->id);
if (axis == nullptr)
continue;
dispatch_update(axis, rec);
ctrl->pending.buf[ctrl->pending.len++] = axis;
}
recs->head.len = 0;
}
/*int main()
{
struct Controller ctrl;
if (!CreateController(&ctrl))
return 1;
ControllerMap(&ctrl, 123, 111, BUTTON);
ControllerMap(&ctrl, 0, 8, BUTTON);
struct RecordBuffer recs = { .head.len = 0, .head.start = 0 };
recs.buf[recs.head.len++] = (struct InputRecord) {
.but.value = 69,
.is_down = true,
.id.bind = 111,
.id.type = BUTTON
};
recs.buf[recs.head.len++] = (struct InputRecord) {
.but.value = 1000,
.is_down = true,
.id.bind = 8,
.id.type = BUTTON
};
ControllerPoll(&ctrl, &recs);
struct InputAxis *a = ControllerGet(&ctrl, 123, BUTTON);
printf("%u\n", a->but.value);
struct InputAxis *b = ControllerGet(&ctrl, 0, BUTTON);
printf("%u\n", b->but.value);
printf("success");
return 0;
}*/