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input: allow holding down forward/back to move through saves

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Resolves #171.
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walkawayy 2022-01-11 13:35:44 -05:00 • committed by GitHub
parent 7f65d652ba
commit be830d28d7
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1 changed files with 22 additions and 0 deletions
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22
src/game/input.c
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@ -2,16 +2,38 @@
#include "specific/s_input.h"
#define DELAY_FRAMES 12
#define HOLD_FRAMES 3
INPUT_STATE g_Input = { 0 };
INPUT_STATE g_InputDB = { 0 };
INPUT_STATE g_OldInputDB = { 0 };
static int32_t m_HoldBack = 0;
static int32_t m_HoldForward = 0;
static INPUT_STATE Input_GetDebounced(INPUT_STATE input);
INPUT_STATE Input_GetDebounced(INPUT_STATE input)
{
INPUT_STATE result;
result.any = input.any & ~g_OldInputDB.any;
// Allow holding down key to move faster
if (input.forward || !input.back) {
m_HoldBack = 0;
} else if (input.back && ++m_HoldBack >= DELAY_FRAMES + HOLD_FRAMES) {
result.back = 1;
m_HoldBack = DELAY_FRAMES;
}
if (!input.forward || input.back) {
m_HoldForward = 0;
} else if (input.forward && ++m_HoldForward >= DELAY_FRAMES + HOLD_FRAMES) {
result.forward = 1;
m_HoldForward = DELAY_FRAMES;
}
g_OldInputDB = input;
return result;
}