158 lines
3.3 KiB
C
158 lines
3.3 KiB
C
#include "ctrl.h"
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#include "ringbuffer.h"
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#define INIT_SIZE 16
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DictT BIND_T = DICT_T(struct InputAxis *);
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bool CreateController(struct Controller *ctrl)
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{
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struct InputAxis *axes = calloc(16, sizeof(struct InputAxis));
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if (axes == nullptr)
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return false;
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if (!CreateDictionary(BIND_T, &ctrl->binds))
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return false;
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*ctrl = (struct Controller) {
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.pending_len = 0,
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.axes = axes,
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.axes_len = 0
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};
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return true;
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}
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void FreeController(struct Controller *ctrl)
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{
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free(ctrl->axes);
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FreeDictionary(&ctrl->binds);
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}
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u32 hash_bind(u16f bind, u16f type)
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{
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return bind + (type << 16);
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}
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struct InputAxis *ControllerMap(
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struct Controller *ctrl,
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struct ControlMapping *map
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) {
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struct InputAxis *axis = &ctrl->axes[map->code];
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u32 hash = hash_bind(map->bind, map->type);
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struct InputAxis **bind = DictionarySet(BIND_T, &ctrl->binds, hash, axis);
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if (bind == nullptr) {
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printf("whar");
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exit(1);
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}
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*bind = axis;
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axis->type = map->type;
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return axis;
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}
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bool ControllerMapMulti(
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struct Controller *ctrl,
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usize n,
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struct ControlMapping *maps,
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struct InputAxis **binds
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) {
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for (usize i = 0; i < n; i++) {
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struct InputAxis *axis = ControllerMap(ctrl, maps + i);
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if (axis == nullptr)
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return false;
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binds[i] = axis;
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}
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return true;
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}
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void dispatch_update(struct InputAxis *axis, struct InputRecord *rec)
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{
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if (rec->is_down and !axis->is_held) {
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axis->is_down = true;
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axis->is_held = true;
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axis->last_pressed = rec->time;
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} else if (rec->is_up) {
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axis->is_up = true;
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axis->is_held = false;
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axis->last_released = rec->time;
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}
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axis->data = rec->data;
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}
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void ControllerPoll(struct Controller *ctrl, struct RecordBuffer *recs)
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{
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for (usize i = 0; i < ctrl->pending_len; i++) {
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struct InputAxis *axis = ctrl->pending[i];
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axis->is_up = false;
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axis->is_down = false;
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}
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ctrl->pending_len = 0;
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for (usize i = 0; i < recs->head.len; i++) {
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struct InputRecord *rec = recs->buf + i;
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u32 hash = hash_bind(rec->bind, rec->type);
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struct InputAxis *axis = DictionaryFind(BIND_T, &ctrl->binds, hash);
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if (axis == nullptr)
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continue;
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dispatch_update(axis, rec);
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ctrl->pending[ctrl->pending_len++] = axis;
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}
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recs->head.len = 0;
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}
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/*int main()
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{
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struct Controller ctrl;
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if (!CreateController(&ctrl))
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return 1;
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ControllerMap(&ctrl, 123, 111, BUTTON);
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ControllerMap(&ctrl, 0, 8, BUTTON);
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struct RecordBuffer recs = { .head.len = 0, .head.start = 0 };
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recs.buf[recs.head.len++] = (struct InputRecord) {
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.but.value = 69,
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.is_down = true,
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.id.bind = 111,
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.id.type = BUTTON
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};
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recs.buf[recs.head.len++] = (struct InputRecord) {
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.but.value = 1000,
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.is_down = true,
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.id.bind = 8,
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.id.type = BUTTON
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};
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ControllerPoll(&ctrl, &recs);
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struct InputAxis *a = ControllerGet(&ctrl, 123, BUTTON);
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printf("%u\n", a->but.value);
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struct InputAxis *b = ControllerGet(&ctrl, 0, BUTTON);
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printf("%u\n", b->but.value);
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printf("success");
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return 0;
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}*/ |