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Android: Fix upside-down joystick navigation (due to an old sin).

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(Android's joystick Y axis is upside down, and we should have corrected it on the Java
side instead of in all our mappings everywhere).
This commit is contained in:
Henrik Rydgård 2020-03-10 01:03:10 +01:00
parent e97e3c4218
commit 819c62e21e
1 changed files with 8 additions and 1 deletions
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9
ext/native/ui/root.cpp
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@ -1,6 +1,7 @@
#include <mutex>
#include <deque>
#include "ppsspp_config.h"
#include "base/timeutil.h"
#include "ui/root.h"
#include "ui/viewgroup.h"
@ -297,8 +298,14 @@ bool AxisEvent(const AxisInput &axis, ViewGroup *root) {
dir = DIR_NEG;
else if (axis.value > THRESHOLD)
dir = DIR_POS;
// TODO: What do we do with devices that are reversed... ?
// We stupidly interpret the joystick Y axis backwards on Android instead of reversing
// it early (see keymaps...). Too late to fix without invalidating a lot of config files, so we
// reverse it here too.
#if PPSSPP_PLATFORM(ANDROID)
GenerateKeyFromAxis(y_state, dir, NKCODE_DPAD_UP, NKCODE_DPAD_DOWN);
#else
GenerateKeyFromAxis(y_state, dir, NKCODE_DPAD_DOWN, NKCODE_DPAD_UP);
#endif
y_state = dir;
}
break;