Fumofumotris/source/io/platforms/win.c
Julia e856594741 hi
uikhj
2024-04-16 17:14:53 -05:00

169 lines
3.9 KiB
C

#include <iso646.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include "fumotris.h"
#include "ctrl.h"
#include "gametime.h"
static struct Windows {
HANDLE timer;
HANDLE input_handle;
DWORD input_n;
INPUT_RECORD input_buf[IO_BUF_SIZE];
} win;
bool init_handles()
{
win.input_handle = GetStdHandle(STD_INPUT_HANDLE);
if (win.input_handle == INVALID_HANDLE_VALUE)
return false;
win.timer = CreateWaitableTimer(
NULL, // Timer attributes
TRUE, // Manual reset
NULL // Name
);
if (win.timer == NULL)
return false;
return true;
}
bool init_console()
{
DWORD mode = ENABLE_EXTENDED_FLAGS
| ENABLE_PROCESSED_INPUT
| ENABLE_PROCESSED_OUTPUT
| ENABLE_MOUSE_INPUT
| ENABLE_WINDOW_INPUT;
return SetConsoleMode(win.input_handle, mode) != 0;
}
bool PlatformInit()
{
if (!init_handles())
return false;
if (!init_console())
return false;
return true;
}
bool PlatformGetRefreshRate(u16f *out)
{
DEVMODE mode;
mode.dmSize = sizeof(DEVMODE);
mode.dmDriverExtra = 0;
if(!EnumDisplaySettingsA(
NULL, // Device name (null for current)
ENUM_CURRENT_SETTINGS, // Mode
&mode // Out
))
return false;
*out = mode.dmDisplayFrequency;
return true;
}
void read_key_rec(struct InputRecord *rec, KEY_EVENT_RECORD win_key)
{
rec->type = BUTTON;
rec->bind = win_key.wVirtualKeyCode;
rec->is_down = win_key.bKeyDown;
rec->is_up = !win_key.bKeyDown;
}
bool read_mouse_rec(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) {
rec->bind = 0;
} else if (win_mouse.dwEventFlags == MOUSE_HWHEELED) {
rec->bind = 1;
} else {
return false;
}
rec->type = AXIS;
rec->axis.value = win_mouse.dwButtonState;
return true;
}
bool read_rec(struct InputRecord *rec, INPUT_RECORD win_rec)
{
switch (win_rec.EventType) {
case KEY_EVENT:
read_key_rec(rec, win_rec.Event.KeyEvent);
return true;
case MOUSE_EVENT:
return read_mouse_rec(rec, win_rec.Event.MouseEvent);
case WINDOW_BUFFER_SIZE_EVENT:
return false;
// TODO: Handle window resizing
}
rec->type = ESCAPE;
return false;
}
bool PlatformReadInput(struct InputBuffer *tmp)
{
if (!ReadConsoleInput(
win.input_handle, // Input handle
&win.input_buf[tmp->len], // Record buffer
IO_BUF_SIZE - tmp->len, // Record buffer length
&win.input_n // Out number of records
))
return false;
struct InputRecord rec = { .timestamp = TimeNow() };
for (size_t i = 0; i < win.input_n; i++) {
if (!read_rec(&rec, win.input_buf[i]))
continue;
InputBufferCopy(tmp, &rec);
}
return true;
}
bool PlatformWait(struct timespec relative)
{
LARGE_INTEGER duration;
duration.QuadPart = -10000000 * relative.tv_sec - relative.tv_nsec / 100;
if (!SetWaitableTimer(
win.timer, // Timer
&duration, // Duration
0, // Period
NULL, // Completion coroutine
NULL, // Completion coroutine arg
FALSE // Resume
))
return false;
DWORD result = WaitForSingleObject(win.timer, INFINITE);
if (result != WAIT_OBJECT_0)
return false;
return true;
}