54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
#include <sparrow3d.h>
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#include "button.h"
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int buttonSteps[20] = { 0 };
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// incrementing each spGetInput()->button[] would be sick but they overflow
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// too quick
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// will return the amount of steps a button has been held down consecutively
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// if unpressed, returns 0.
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int
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getButton ( int button, Uint32 steps )
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{
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if ( spGetInput()->button[button] ) {
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if ( buttonSteps[button] == 0 )
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buttonSteps[button]++;
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else
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buttonSteps[button] += steps;
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return buttonSteps[button];
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}
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else
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buttonSteps[button] = 0;
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return 0;
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}
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// acts like getButton, except it returns 0 (unpressed) if the consective steps
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// the button has been held down for isn't within the given range.
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// can also reset the button's step counter after it meets the range, or
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// completely disable the current button-press after it meets the range.
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// pass -1 as min_steps or max_steps to disable that part of the range-check.
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// pass 0 as disable/reset to disable resetting/disabling, 1 to enable.
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// I recommend 1,0,1 for init_no_min,disable,reset
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int
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getButtonLim
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( int button, Uint32 steps, Uint32 min_steps, Uint32 max_steps, int init_no_min,
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int disable, int reset )
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{
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int b_steps = getButton( button, steps );
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int range_pass = 0;
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if ( (min_steps < b_steps && (b_steps < max_steps || max_steps == -1)) )
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range_pass = 1;
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if ( init_no_min && b_steps ==1 )
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range_pass = 1;
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if ( disable && range_pass )
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spGetInput()->button[button] = 0;
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if ( (reset || disable) && range_pass )
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buttonSteps[button] = 1;
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if ( range_pass )
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return b_steps;
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return 0;
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}
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