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Add delayed key repeat

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This commit is contained in:
Doyle Thai 2016-08-17 15:29:14 +10:00
parent 80b35d404d
commit 8aa23b7cfc
3 changed files with 62 additions and 25 deletions
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75
src/WorldTraveller.c
View File

@ -360,25 +360,51 @@ enum ReadKeyType
readkeytype_count,
};
INTERNAL b32 getKeyStatus(KeyState key, enum ReadKeyType readType)
#define KEY_DELAY_NONE 0.0f
INTERNAL b32 getKeyStatus(KeyState *key, enum ReadKeyType readType,
f32 delayInterval, f32 dt)
{
if (!key->endedDown) return FALSE;
switch(readType)
{
case readkeytype_oneShot:
{
if (key.endedDown &&
(key.newHalfTransitionCount > key.oldHalfTransitionCount))
if (key->newHalfTransitionCount > key->oldHalfTransitionCount)
return TRUE;
break;
}
case readkeytype_repeat:
case readkeytype_delayedRepeat:
{
if (key.endedDown) return TRUE;
if (key->newHalfTransitionCount > key->oldHalfTransitionCount)
{
if (readType == readkeytype_delayedRepeat)
{
// TODO(doyle): Let user set arbitrary delay after initial input
key->delayInterval = 2 * delayInterval;
}
else
{
key->delayInterval = delayInterval;
}
return TRUE;
}
else if (key->delayInterval <= 0.0f)
{
key->delayInterval = delayInterval;
return TRUE;
}
else
{
key->delayInterval -= dt;
}
break;
}
case readkeytype_delayedRepeat:
default:
// TODO(doyle): Add delayed repeat of keys
DEBUG_LOG("getKeyStatus() error: Invalid ReadKeyType enum");
#ifdef DENGINE_DEBUG
ASSERT(INVALID_CODE_PATH);
#endif
@ -407,7 +433,7 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
v2 ddPos = V2(0, 0);
KeyState *keys = state->input.keys;
for (i32 i = 0; i < keycode_count; i++)
for (enum KeyCode i = 0; i < keycode_count; i++)
{
KeyState *currKey = &keys[i];
if (currKey->newHalfTransitionCount > currKey->oldHalfTransitionCount)
@ -415,43 +441,50 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
i32 numTransitions = currKey->newHalfTransitionCount -
currKey->oldHalfTransitionCount;
if ((numTransitions & 1) == 1)
if (!IS_EVEN(numTransitions))
{
currKey->endedDown = ~currKey->endedDown;
}
// TODO(doyle): Multi press within frame override UI input parsing
}
// Parse ui input
// TODO(doyle): Multi press within frame overrides UI input parsing
if ((i >= keycode_A && i <= keycode_Z) ||
(i >= keycode_a && i <= keycode_z))
{
if (getKeyStatus(*currKey, readkeytype_oneShot))
if (getKeyStatus(currKey, readkeytype_repeat, 0.15f, dt))
{
state->uiState.keyChar = i;
}
}
}
}
if (hero->stats->busyDuration <= 0)
{
if (getKeyStatus(keys[keycode_right], readkeytype_repeat))
if (getKeyStatus(&keys[keycode_right], readkeytype_repeat,
KEY_DELAY_NONE, dt))
{
ddPos.x = 1.0f;
hero->direction = direction_east;
}
if (getKeyStatus(keys[keycode_left], readkeytype_repeat))
if (getKeyStatus(&keys[keycode_left], readkeytype_repeat,
KEY_DELAY_NONE, dt))
{
ddPos.x = -1.0f;
hero->direction = direction_west;
}
if (getKeyStatus(keys[keycode_up], readkeytype_repeat))
if (getKeyStatus(&keys[keycode_up], readkeytype_repeat, KEY_DELAY_NONE,
dt))
{
ddPos.y = 1.0f;
}
if (getKeyStatus(keys[keycode_down], readkeytype_repeat))
if (getKeyStatus(&keys[keycode_down], readkeytype_repeat,
KEY_DELAY_NONE, dt))
{
ddPos.y = -1.0f;
}
@ -465,12 +498,14 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
ddPos = v2_scale(ddPos, 0.70710678118f);
}
if (getKeyStatus(keys[keycode_enter], readkeytype_oneShot))
if (getKeyStatus(&keys[keycode_enter], readkeytype_oneShot,
KEY_DELAY_NONE, dt))
{
state->uiState.keyEntered = keycode_enter;
}
if (getKeyStatus(keys[keycode_space], readkeytype_oneShot))
if (getKeyStatus(&keys[keycode_space], readkeytype_delayedRepeat, 0.25f,
dt))
{
state->uiState.keyEntered = keycode_space;
DEBUG_LOG("push space");
@ -504,7 +539,8 @@ INTERNAL void parseInput(GameState *state, const f32 dt)
}
f32 heroSpeed = 6.2f * METERS_TO_PIXEL;
if (state->input.keys[keycode_leftShift].endedDown)
if (getKeyStatus(&state->input.keys[keycode_leftShift], readkeytype_repeat,
KEY_DELAY_NONE, dt))
{
// TODO: Context sensitive command separation
state->uiState.keyMod = keycode_leftShift;
@ -1132,8 +1168,7 @@ INTERNAL i32 scrollBar(UiState *uiState, AssetManager *assetManager,
INTERNAL i32 textField(UiState *const uiState, MemoryArena *arena,
AssetManager *const assetManager,
Renderer *const renderer, Font *const font,
KeyInput input, const i32 id, v2 pos,
char *const string)
KeyInput input, const i32 id, v2 pos, char *const string)
{
i32 strLen = common_strlen(string);
b32 changed = FALSE;

1
src/include/Dengine/Common.h
View File

@ -24,6 +24,7 @@ typedef double f64;
#define ARRAY_COUNT(array) (sizeof(array) / sizeof(array[0]))
#define CAST(type) (type)
#define ASSERT(expr) if (!(expr)) { *(int *)0 = 0; }
#define IS_EVEN(value) (((value) & 1) == 0)
#define DENGINE_DEBUG

1
src/include/Dengine/Platform.h
View File

@ -120,6 +120,7 @@ enum KeyCode
typedef struct KeyState
{
f32 delayInterval;
u32 oldHalfTransitionCount;
u32 newHalfTransitionCount;
b32 endedDown;