33 lines
788 B
C
33 lines
788 B
C
#ifndef SYS_INPUT_H
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#define SYS_INPUT_H
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/**
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* Update the state of every button. Each button's btnp state depends
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* on how long it's been down, and calling this function adds one frame.
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*
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* Usually this is called by sys_update(), at the start of frame.
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*/
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void sys_input_update();
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/**
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* Resets the input state -- all buttons have been held for 0 frames.
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*
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* If the buttons are held next frame, this will lead to a btnp().
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*
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* There's rarely any reason for user code to call this.
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*/
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void sys_input_reset();
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/**
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* Return whether a button is down.
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*/
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bool sys_btn(DeviceButton button);
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/**
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* Return whether a button was just pressed.
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*
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* Repeats after 30 frames, returning true every 8 frames after that.
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*/
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bool sys_btnp(DeviceButton button);
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#endif // SYS_INPUT_H
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