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This commit is contained in:
Julia 2024-04-23 15:33:32 -05:00
parent 5e23db78ce
commit 1064e95edc
6 changed files with 130 additions and 81 deletions
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23
source/io/ctrl.c
View file

@ -144,11 +144,7 @@ void dispatch_update(struct InputAxis *axis, struct InputRecord *rec)
axis->data = rec->data;
}
bool is_alphanumeric(char c) {
return c >=32 and c <= 126;
}
bool read_input_buf(struct Controller *ctrl)
void read_input_buf(struct Controller *ctrl)
{
for (size_t i = 0; i < ctrl->pending_buf.len; i++) {
struct InputAxis *axis = ctrl->pending_buf.axes[i];
@ -159,10 +155,9 @@ bool read_input_buf(struct Controller *ctrl)
ctrl->pending_buf.len = 0;
for (size_t i = 0; i < ctrl->buf.len; i++) {
struct InputRecord *rec = &ctrl->buf.recs[i];
struct InputRecord *rec = &ctrl->buf.buf[i];
union InputID rec_id = to_id(rec->bind, rec->type);
struct InputAxis *axis = find_axis(&ctrl->binds, rec_id);
struct InputAxis *axis = find_axis(&ctrl->binds, rec->id);
if (axis == nullptr)
continue;
@ -172,7 +167,11 @@ bool read_input_buf(struct Controller *ctrl)
}
ctrl->buf.len = 0;
return true;
}
void read_str_buf(struct Controller *ctrl)
{
ctrl->string
}
bool CtrlPoll(struct Controller *ctrl, struct InputThreadHandle *hand)
@ -181,6 +180,7 @@ bool CtrlPoll(struct Controller *ctrl, struct InputThreadHandle *hand)
return false;
read_input_buf(ctrl);
read_str_buf(ctrl);
if (pthread_cond_signal(&hand->buf_read) != 0)
return false;
@ -191,11 +191,6 @@ bool CtrlPoll(struct Controller *ctrl, struct InputThreadHandle *hand)
return true;
}
bool CtrlInputString(struct Controller *ctrl, size_t n, char *buf)
{
}
/*int main()
{
struct Controller ctrl;

10
source/io/ctrl.h
View file

@ -21,9 +21,12 @@ struct InputAxis {
};
union InputID id;
u8 is_down;
u8 is_held;
u8 is_up;
struct {
u8f is_down : 1;
u8f is_held : 1;
u8f is_up : 1;
};
};
struct ctrl_bkt {
@ -45,6 +48,7 @@ struct ctrl_axis_vec {
struct Controller {
struct InputBuffer buf;
struct InputString string;
struct {
struct InputAxis *axes[IO_BUF_SIZE];

49
source/io/input.c
View file

@ -1,21 +1,26 @@
#include "input.h"
#include <string.h>
#include "platform.h"
struct InputRecord *buf_get(struct InputBuffer *buf, size_t i) {
return buf->recs + (buf->start + i) % IO_BUF_SIZE;
inline size_t min_size(size_t a, size_t b) {
return a < b ? a : b;
}
size_t min_size(size_t a, size_t b) {
return a < b ? a : b;
inline size_t in_buf_empty(struct InputBuffer *in) {
return IO_BUF_SIZE - in->len;
}
struct InputRecord *in_buf_get(struct InputBuffer *in, size_t i) {
return in->buf + (in->start + i) % IO_BUF_SIZE;
}
void InputBufferTransfer(struct InputBuffer *dest, struct InputBuffer *src)
{
size_t copy_amt = min_size(IO_BUF_SIZE - dest->len, src->len);
size_t copy_amt = min_size(in_buf_empty(dest), src->len);
for (size_t i = 0; i < copy_amt; i++)
*buf_get(dest, dest->len + i) = *buf_get(src, i);
*in_buf_get(dest, dest->len + i) = *in_buf_get(src, i);
if (copy_amt < src->len)
src->start += copy_amt;
@ -26,16 +31,35 @@ void InputBufferTransfer(struct InputBuffer *dest, struct InputBuffer *src)
void InputBufferAdd(struct InputBuffer *buf, struct InputRecord *rec)
{
*buf_get(buf, buf->len++) = *rec;
*in_buf_get(buf, buf->len++) = *rec;
}
inline size_t str_buf_empty(struct InputString *str) {
return STR_BUF_SIZE - str->len;
}
inline char *str_buf_get(struct InputString *str, size_t i) {
return (str->start + i) % STR_BUF_SIZE;
}
void InputStringTransfer(struct InputString *dest, struct InputString *src)
{
size_t copy_amt = min_size(str_buf_empty(dest), src->len);
for (size_t i = 0; i < copy_amt; i++) {
*str_buf_get(dest, dest->len + i) = *str_buf_get(src, i);
}
}
void *input_thread_loop(void *arg)
{
struct InputThreadHandle *hand = arg;
struct InputBuffer tmp_buf = { .len = 0, .start = 0 };
struct InputBuffer tmp_in = { .len = 0, .start = 0 };
struct InputString tmp_str = { .len = 0, .start = 0 };
while (!hand->is_terminating) {
if (!PlatformReadInput(&tmp_buf)) {
if (!PlatformReadInput(&tmp_in, &tmp_str)) {
hand->err = true;
return nullptr;
}
@ -44,13 +68,14 @@ void *input_thread_loop(void *arg)
if (hand->err)
return nullptr;
while (tmp_buf.len == IO_BUF_SIZE) {
while (tmp_in.len == IO_BUF_SIZE) {
hand->err = pthread_cond_wait(&hand->buf_read, &hand->mutex);
if (hand->err)
return nullptr;
}
InputBufferTransfer(hand->buf, &tmp_buf);
InputBufferTransfer(hand->in, &tmp_in);
InputStringTransfer(hand->str, &tmp_str);
hand->err = pthread_mutex_unlock(&hand->mutex);
if (hand->err)
@ -62,7 +87,7 @@ void *input_thread_loop(void *arg)
bool BeginInputThread(struct InputThreadHandle *hand, struct InputBuffer *buf)
{
hand->buf = buf;
hand->in = buf;
hand->mutex = PTHREAD_MUTEX_INITIALIZER;
hand->buf_read = PTHREAD_COND_INITIALIZER;
hand->err = 0;

29
source/io/input.h
View file

@ -10,6 +10,7 @@
#include "gametime.h"
#define IO_BUF_SIZE 16
#define STR_BUF_SIZE (IO_BUF_SIZE * 4)
enum InputType {
BUTTON,
@ -57,22 +58,36 @@ struct InputRecord {
union InputData data;
};
u16f bind;
union InputID id;
u8 type;
u8 is_down;
u8 is_held;
u8 is_up;
struct {
u8f is_down : 1;
u8f is_held : 1;
u8f is_up : 1;
};
};
struct input_circ_buf {
u8f len;
u8f start;
};
struct InputBuffer {
struct InputRecord recs[IO_BUF_SIZE];
struct InputRecord buf[IO_BUF_SIZE];
u8f len;
u8f start;
};
struct InputString {
char buf[STR_BUF_SIZE];
u8f len;
u8f start;
};
struct InputThreadHandle {
struct InputBuffer *buf;
struct InputBuffer *in;
struct InputString *str;
pthread_t thread;
pthread_mutex_t mutex;

2
source/io/platforms/platform.h
View file

@ -16,7 +16,7 @@ bool PlatformInit();
bool PlatformGetRefreshRate(u16f *out);
bool PlatformReadInput(struct InputBuffer *buf);
bool PlatformReadInput(struct InputBuffer *in, struct InputString *str);
bool PlatformStopInput();

94
source/io/platforms/win.c
View file

@ -58,72 +58,82 @@ bool PlatformGetRefreshRate(u16f *out)
return true;
}
void read_key_event(struct InputRecord *rec, KEY_EVENT_RECORD *win_key)
inline size_t ucs2_to_utf8(u16f ucs2, size_t n, char *buf) {
return WideCharToMultiByte(CP_UTF8, 0, ucs2, 1, buf, n, NULL, NULL);
}
void read_key(
struct InputBuffer *in,
struct InputString *str,
KEY_EVENT_RECORD *key
) {
struct InputRecord *rec = &in->buf[in->len++];
rec->id.type = BUTTON;
rec->id.bind = key->wVirtualKeyCode;
rec->is_down = key->bKeyDown;
rec->is_up = !key->bKeyDown;
ucs2_to_utf8(key->uChar.UnicodeChar, IO_BUF_SIZE - str->len, str->buf);
}
bool is_mouse_wheel(DWORD event_flags) {
return (event_flags & (MOUSE_WHEELED | MOUSE_HWHEELED)) != 0;
}
void read_mouse(struct InputBuffer *in, MOUSE_EVENT_RECORD *mouse)
{
rec->type = BUTTON;
rec->bind = win_key->wVirtualKeyCode;
if (mouse->dwEventFlags == MOUSE_MOVED) {
struct InputRecord *rec = &in->buf[in->len++];
rec->is_down = win_key->bKeyDown;
rec->is_up = !win_key->bKeyDown;
rec->id.type = JOYSTICK;
rec->id.bind = 0;
rec->js.x = mouse->dwMousePosition.X;
rec->js.y = mouse->dwMousePosition.Y;
} else if (is_mouse_wheel(mouse->dwEventFlags)) {
struct InputRecord *rec = &in->buf[in->len++];
rec->id.type = AXIS;
rec->id.bind = (mouse->dwEventFlags == MOUSE_WHEELED);
rec->axis.value = mouse->dwButtonState;
}
}
bool read_mouse_event(struct InputRecord *rec, MOUSE_EVENT_RECORD *win_mouse)
{
if (win_mouse->dwEventFlags == MOUSE_MOVED) {
rec->type = JOYSTICK;
rec->bind = 0;
rec->js.x = win_mouse->dwMousePosition.X;
rec->js.y = win_mouse->dwMousePosition.Y;
return true;
}
if ((win_mouse->dwEventFlags & (MOUSE_WHEELED | MOUSE_HWHEELED)) != 0) {
rec->type = AXIS;
rec->bind = win_mouse->dwEventFlags == MOUSE_WHEELED;
rec->axis.value = win_mouse->dwButtonState;
return true;
}
return false;
}
bool read_rec(struct InputRecord *rec, INPUT_RECORD *win_rec)
{
switch (win_rec->EventType) {
bool read_rec(
struct InputBuffer *in,
struct InputString *str,
INPUT_RECORD *rec
) {
switch (rec->EventType) {
case KEY_EVENT:
read_key_event(rec, &win_rec->Event.KeyEvent);
read_key(in, str, &rec->Event.KeyEvent);
return true;
case MOUSE_EVENT:
return read_mouse_event(rec, &win_rec->Event.MouseEvent);
read_mouse(in, &rec->Event.MouseEvent);
return true;
case WINDOW_BUFFER_SIZE_EVENT:
return false;
return true;
// TODO: Handle window resizing
}
rec->type = ESCAPE;
return false;
}
bool PlatformReadInput(struct InputBuffer *buf)
bool PlatformReadInput(struct InputBuffer *in, struct InputString *str)
{
DWORD max_records = IO_BUF_SIZE - buf->len;
DWORD max_records = IO_BUF_SIZE - in->len;
INPUT_RECORD win_buf[max_records];
DWORD filled;
if (!ReadConsoleInputW(win.input_hand, win_buf, max_records, &filled))
return false;
struct InputRecord rec = { .time = TimeNow() };
for (size_t i = 0; i < filled; i++) {
if (!read_rec(&rec, win_buf + i))
continue;
InputBufferAdd(buf, &rec);
if (!read_rec(in, str, win_buf + i))
return false;
}
return true;