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fceux
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Changed autofire algorithm to not require using a static array. Now just does an on/off frame calculation based on where it is in the overall duty cycle of the square wave.

This commit is contained in:
mjbudd77 2021-05-21 06:27:35 -04:00
parent 092fc97078
commit 596c27ea5e
2 changed files with 55 additions and 23 deletions
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76
src/fceu.cpp
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@ -644,42 +644,72 @@ void FCEUI_Kill(void) {
} }
int rapidAlternator = 0; int rapidAlternator = 0;
int AutoFirePattern[8] = { 1, 0, 0, 0, 0, 0, 0, 0 }; //int AutoFirePattern[8] = { 1, 0, 0, 0, 0, 0, 0, 0 };
int AutoFirePatternLength = 2; int AutoFirePatternLength = 2;
void SetAutoFirePattern(int onframes, int offframes) { void SetAutoFirePattern(int onframes, int offframes)
int i; {
for (i = 0; i < onframes && i < 8; i++) { //int i;
AutoFirePattern[i] = 1; //for (i = 0; i < onframes && i < 8; i++) {
} // AutoFirePattern[i] = 1;
for (; i < 8; i++) { //}
AutoFirePattern[i] = 0; //for (; i < 8; i++) {
} // AutoFirePattern[i] = 0;
if (onframes + offframes < 2) { //}
AutoFirePatternLength = 2; //if (onframes + offframes < 2) {
} else if (onframes + offframes > 8) { // AutoFirePatternLength = 2;
AutoFirePatternLength = 8; //} else if (onframes + offframes > 8) {
} else { // AutoFirePatternLength = 8;
AutoFirePatternLength = onframes + offframes; //} else {
} // AutoFirePatternLength = onframes + offframes;
//}
AutoFirePatternLength = onframes + offframes;
AFon = onframes; AFoff = offframes; AFon = onframes; AFoff = offframes;
} }
void SetAutoFireOffset(int offset) { void GetAutoFirePattern( int *onframes, int *offframes)
{
if ( onframes )
{
*onframes = AFon;
}
if ( offframes )
{
*offframes = AFoff;
}
}
void SetAutoFireOffset(int offset)
{
if (offset < 0 || offset > 8) return; if (offset < 0 || offset > 8) return;
AutoFireOffset = offset; AutoFireOffset = offset;
} }
void AutoFire(void) { bool GetAutoFireState(int btnIdx)
{
return rapidAlternator;
}
void AutoFire(void)
{
static int counter = 0; static int counter = 0;
if (justLagged == false) if (justLagged == false)
counter = (counter + 1) % (8 * 7 * 5 * 3); {
//counter = (counter + 1) % (8 * 7 * 5 * 3);
counter = (counter + 1) % AutoFirePatternLength;
}
//If recording a movie, use the frame # for the autofire so the offset //If recording a movie, use the frame # for the autofire so the offset
//doesn't get screwed up when loading. //doesn't get screwed up when loading.
if (FCEUMOV_Mode(MOVIEMODE_RECORD | MOVIEMODE_PLAY)) { if (FCEUMOV_Mode(MOVIEMODE_RECORD | MOVIEMODE_PLAY))
rapidAlternator = AutoFirePattern[(AutoFireOffset + FCEUMOV_GetFrame()) % AutoFirePatternLength]; //adelikat: TODO: Think through this, MOVIEMODE_FINISHED should not use movie data for auto-fire? {
} else { //rapidAlternator = AutoFirePattern[(AutoFireOffset + FCEUMOV_GetFrame()) % AutoFirePatternLength]; //adelikat: TODO: Think through this, MOVIEMODE_FINISHED should not use movie data for auto-fire?
rapidAlternator = AutoFirePattern[(AutoFireOffset + counter) % AutoFirePatternLength]; //adelikat: TODO: Think through this, MOVIEMODE_FINISHED should not use movie data for auto-fire?
rapidAlternator = ( (AutoFireOffset + FCEUMOV_GetFrame()) % AutoFirePatternLength ) < AFon;
}
else
{
//rapidAlternator = AutoFirePattern[(AutoFireOffset + counter) % AutoFirePatternLength];
rapidAlternator = ( (AutoFireOffset + counter) % AutoFirePatternLength ) < AFon;
} }
} }

2
src/fceu.h
View File

@ -40,6 +40,8 @@ void PowerNES(void);
void SetAutoFireOffset(int offset); void SetAutoFireOffset(int offset);
void SetAutoFirePattern(int onframes, int offframes); void SetAutoFirePattern(int onframes, int offframes);
void GetAutoFirePattern( int *onframes, int *offframes);
bool GetAutoFireState(int btnIdx);
void AutoFire(void); void AutoFire(void);
void FCEUI_RewindToLastAutosave(void); void FCEUI_RewindToLastAutosave(void);