JacksEscape/Input.c
2024-03-04 15:05:21 +08:00

71 lines
1.8 KiB
C

#include "Input.h"
#include "App.h"
#include <stdlib.h>
#include <stdio.h>
#include <windows.h>
const char *input_KeyNames[input_Key_Count] = {
"Left",
"Right",
"Up",
"Down",
"Jump",
"Attack",
"Spell",
"Use",
"Escape"};
void input_SetDefaultKeymap(System_Input *sys) {
sys->systemKeymap[input_Key_Up] = 'W';
sys->systemKeymap[input_Key_Left] = 'A';
sys->systemKeymap[input_Key_Down] = 'S';
sys->systemKeymap[input_Key_Right] = 'D';
sys->systemKeymap[input_Key_Jump] = VK_SPACE;
sys->systemKeymap[input_Key_Attack] = 'J';
sys->systemKeymap[input_Key_Spell] = 'K';
sys->systemKeymap[input_Key_Use] = 'L';
sys->systemKeymap[input_Key_Escape] = VK_ESCAPE;
}
System_Input *input_NewSystem(App *super) {
System_Input *sys = malloc(sizeof(System_Input));
memset(sys, 0, sizeof(System_Input));
sys->super = super;
input_SetDefaultKeymap(sys);
return sys;
}
void input_DeleteSystem(System_Input *sys) {
free(sys);
}
void input_Advance(System_Input *sys) {
for (int i = 0; i < input_Key_Count; i++) {
// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getasynckeystate
// Checks the most significiant bit (of the SHORT returned)
if ((GetAsyncKeyState(sys->systemKeymap[i]) & 0x8000) != 0) {
// Pressed
if (sys->keys[i] == JustReleased || sys->keys[i] == Released) {
fprintf(stderr, "[input_Advance] Key %s pressed\n", input_KeyNames[i]);
sys->keys[i] = JustPressed;
} else
sys->keys[i] = Pressed;
} else {
// Released
if (sys->keys[i] == JustPressed || sys->keys[i] == Pressed)
sys->keys[i] = JustReleased;
else
sys->keys[i] = Released;
}
}
if (sys->keys[input_Key_Escape] == JustPressed) {
fprintf(stderr, "[input_Advance] Let's quit now!\n");
sys->super->wantQuit = true;
}
}