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Finish input

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This commit is contained in:
Edgaru089
2024-03-01 16:15:21 +08:00
parent fcb2997e69
commit 658eb5b60c
2 changed files with 78 additions and 1 deletions
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47
Input.c Normal file
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@@ -0,0 +1,47 @@
#include "Input.h"
#include <stdlib.h>
#include <windows.h>
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';
}
System_Input *input_NewSystem() {
System_Input *sys = malloc(sizeof(System_Input));
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)
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;
}
}
}

32
Input.h
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@@ -22,6 +22,18 @@ typedef enum {
input_Key_Count
} input_Key;
// Names for input_Key
const char *input_KeyNames[input_Key_Count] = {
"Left",
"Right",
"Up",
"Down",
"Jump",
"Attack",
"Spell",
"Use"};
// States a key might in
typedef enum {
Pressed,
@@ -30,11 +42,29 @@ typedef enum {
JustReleased
} input_KeyState;
static inline bool input_IsPressed(input_KeyState state) { return state == Pressed || state == JustPressed; }
static inline bool input_IsReleased(input_KeyState state) { return state == Released || state == JustReleased; }
typedef struct {
input_KeyState keys[input_Key_Count]; // States of keys
input_KeyState keys[input_Key_Count]; // States of keys
unsigned int systemKeymap[input_Key_Count]; // Which system key (VK code) this function uses
// https://learn.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes
} System_Input;
// Creates a new input system.
// Uses a default keymap
System_Input *input_NewSystem();
void input_DeleteSystem(System_Input *sys);
// Sets the keymaps to default.
void input_SetDefaultKeymap(System_Input *sys);
// Update key states
void input_Advance(System_Input *sys);
#ifdef __cplusplus
}
#endif