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bingus
This commit is contained in:
Julia 2024-04-24 18:37:47 -05:00
parent 03094ec8cc
commit 40e2d7a312
5 changed files with 152 additions and 86 deletions
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52
source/io/input.c
View file

@ -7,56 +7,44 @@ inline 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(in_buf_empty(dest), src->len);
size_t copy_amt = min_size(IO_BUF_SIZE - dest->len, src->len);
for (size_t i = 0; i < copy_amt; i++)
*in_buf_get(dest, dest->len + i) = *in_buf_get(src, i);
for (size_t i = 0; i < dest->start; i++) {
size_t dest_i = (dest->start + dest->len + i) % IO_BUF_SIZE;
size_t src_i = (src->start + i) % IO_BUF_SIZE;
dest->buf[dest_i] = src->buf[src_i];
}
dest->start += copy_amt;
if (copy_amt < src->len)
src->start += copy_amt;
src->len -= copy_amt;
dest->len += copy_amt;
}
void InputBufferAdd(struct InputBuffer *buf, struct InputRecord *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;
src->len -= copy_amt;
}
void InputStringTransfer(struct InputString *dest, struct InputString *src)
{
size_t copy_amt = min_size(str_buf_empty(dest), src->len);
size_t copy_amt = min_size(STR_BUF_SIZE - dest->len, src->len);
for (size_t i = 0; i < copy_amt; i++) {
*str_buf_get(dest, dest->len + i) = *str_buf_get(src, i);
size_t dest_i = (dest->start + dest->len + i) % STR_BUF_SIZE;
size_t src_i = (src->start + i) % STR_BUF_SIZE;
dest->buf[dest_i] = src->buf[src_i];
}
dest->start += copy_amt;
if (copy_amt < src->len)
src->len -= copy_amt;
}
void *input_thread_loop(void *arg)
{
struct InputThreadHandle *hand = arg;
struct InputBuffer tmp_in = { .len = 0, .start = 0 };
struct InputString tmp_str = { .len = 0, .start = 0 };
struct InputBuffer tmp_in = { .len = 0 };
struct InputString tmp_str = { .len = 0 };
while (!hand->is_terminating) {
if (!PlatformReadInput(&tmp_in, &tmp_str)) {

7
source/io/input.h
View file

@ -67,19 +67,16 @@ struct InputRecord {
};
};
struct input_circ_buf {
u8f len;
u8f start;
};
struct InputBuffer {
struct InputRecord buf[IO_BUF_SIZE];
u8f len;
u8f start;
};
struct InputString {
char buf[STR_BUF_SIZE];
u8f len;
u8f start;
};
struct InputThreadHandle {

21
source/io/platforms/parseinput.c Normal file
View file

@ -0,0 +1,21 @@
#include "parseinput.h"
void ParseButton(struct InputRecord *rec, u16f bind, bool is_down)
{
rec->id = (union InputID) { .bind = bind, .type = BUTTON };
rec->is_down = is_down;
rec->is_up = !is_down;
}
void ParseAxis(struct InputRecord *rec, u16f bind, u64 value)
{
rec->id = (union InputID) { .bind = bind, .type = AXIS };
rec->axis.value = value;
}
void ParseJoystick(struct InputRecord *rec, u16f bind, i32 x, i32 y)
{
rec->id = (union InputID) { .bind = bind, .type = JOYSTICK };
rec->js.x = x;
rec->js.y = y;
}

14
source/io/platforms/parseinput.h Normal file
View file

@ -0,0 +1,14 @@
#include <iso646.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "fumotris.h"
#include "input.h"
void ParseButton(struct InputRecord *rec, u16f bind, bool is_down);
void ParseAxis(struct InputRecord *rec, u16f bind, u64 value);
void ParseJoystick(struct InputRecord *rec, u16f bind, i32 x, i32 y);

142
source/io/platforms/win.c
View file

@ -4,12 +4,71 @@
#include "gametime.h"
#include "input.h"
#include "parseinput.h"
#define MOUSE_MOVE (MOUSE_EVENT | MOUSE_MOVED)
#define MOUSE_VWHEEL (MOUSE_EVENT | MOUSE_WHEELED)
#define MOUSE_HWHEEL (MOUSE_EVENT | MOUSE_HWHEELED)
struct windows {
HANDLE input_hand;
HANDLE timer;
} win;
struct win_coord {
SHORT x;
SHORT y;
};
struct win_rec {
union {
WORD type;
struct {
WORD is_key : 1;
WORD is_mouse : 1;
WORD is_window : 1;
WORD is_menu : 1;
WORD is_focus : 1;
};
};
union {
struct {
BOOL is_down;
WORD repeat;
WORD vk_code;
WORD vs_code;
WCHAR ucs2_char;
DWORD state;
} key;
struct {
struct win_coord pos;
DWORD but;
DWORD state;
union {
DWORD flags;
struct {
DWORD is_moved : 1;
DWORD is_dbl_clk : 1;
DWORD is_vwheel : 1;
DWORD is_hwheel : 1;
};
struct {
DWORD : 2;
DWORD wheel : 2;
};
};
} mouse;
struct win_coord window;
};
};
bool init_handles()
{
win.input_hand = GetStdHandle(STD_INPUT_HANDLE);
@ -58,64 +117,51 @@ bool PlatformGetRefreshRate(u16f *out)
return true;
}
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)
size_t ucs2_to_utf8(char *buf, u16f ucs2)
{
if (mouse->dwEventFlags == MOUSE_MOVED) {
struct InputRecord *rec = &in->buf[in->len++];
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;
if (ucs2 < 0xFF) {
buf[0] = ucs2;
return 1;
}
if (ucs2 < 0x7FF) {
buf[0] = 0xC0 + (ucs2 >> 6);
buf[1] = 0x80 + (ucs2 & 0x3F);
return 2;
}
buf[0] = 0xE0 + (ucs2 >> 12);
buf[1] = 0x80 + ((ucs2 >> 6) & 0x3F);
buf[2] = 0x80 + (ucs2 & 0x3F);
return 3;
}
inline u8f win_rec_type(struct win_rec *rec) {
return rec->type | (rec->is_mouse & rec->mouse.flags);
}
bool read_rec(
struct InputBuffer *in,
struct InputRecord *out,
struct InputString *str,
INPUT_RECORD *rec
struct win_rec *in
) {
switch (rec->EventType) {
switch (win_rec_type(in)) {
case KEY_EVENT:
read_key(in, str, &rec->Event.KeyEvent);
ParseButton(out, in->key.vk_code, in->key.is_down);
str->len += ucs2_to_utf8(&str->buf[str->len], in->key.ucs2_char);
return true;
case MOUSE_EVENT:
read_mouse(in, &rec->Event.MouseEvent);
case MOUSE_MOVE:
ParseJoystick(out, 0, in->mouse.pos.x, in->mouse.pos.y);
return true;
case MOUSE_VWHEEL:
case MOUSE_HWHEEL:
ParseAxis(out, in->mouse.is_hwheel, in->mouse.but);
return true;
case WINDOW_BUFFER_SIZE_EVENT:
return true;
return false;
// TODO: Handle window resizing
}
@ -125,15 +171,15 @@ bool read_rec(
bool PlatformReadInput(struct InputBuffer *in, struct InputString *str)
{
DWORD max_records = IO_BUF_SIZE - in->len;
INPUT_RECORD win_buf[max_records];
struct win_rec win_buf[max_records];
DWORD filled;
if (!ReadConsoleInputW(win.input_hand, win_buf, max_records, &filled))
return false;
for (size_t i = 0; i < filled; i++) {
if (!read_rec(in, str, win_buf + i))
return false;
if (read_rec(in, str, win_buf + i))
in->len += 1;
}
return true;