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internal/gamepaddb: Bug fix: A mapping for an axis/button might be missing

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Closes #1825
This commit is contained in:
Hajime Hoshi 2021-09-25 00:58:03 +09:00
parent 0d673a68ab
commit a0be4a302c
1 changed files with 28 additions and 11 deletions
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39
internal/gamepaddb/gamepaddb.go
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@ -368,9 +368,15 @@ func AxisValue(id string, axis driver.StandardGamepadAxis, state GamepadState) f
if !ok {
return 0
}
switch m := mappings[axis]; m.Type {
mapping := mappings[axis]
if mapping == nil {
return 0
}
switch mapping.Type {
case mappingTypeAxis:
v := state.Axis(m.Index)*float64(m.AxisScale) + float64(m.AxisOffset)
v := state.Axis(mapping.Index)*float64(mapping.AxisScale) + float64(mapping.AxisOffset)
if v > 1 {
return 1
} else if v < -1 {
@ -378,13 +384,13 @@ func AxisValue(id string, axis driver.StandardGamepadAxis, state GamepadState) f
}
return v
case mappingTypeButton:
if state.Button(m.Index) {
if state.Button(mapping.Index) {
return 1
} else {
return -1
}
case mappingTypeHat:
if state.Hat(m.Index)&m.HatState != 0 {
if state.Hat(mapping.Index)&mapping.HatState != 0 {
return 1
} else {
return -1
@ -407,9 +413,14 @@ func buttonValue(id string, button driver.StandardGamepadButton, state GamepadSt
return 0
}
switch m := mappings[button]; m.Type {
mapping := mappings[button]
if mapping == nil {
return 0
}
switch mapping.Type {
case mappingTypeAxis:
v := state.Axis(m.Index)*float64(m.AxisScale) + float64(m.AxisOffset)
v := state.Axis(mapping.Index)*float64(mapping.AxisScale) + float64(mapping.AxisOffset)
if v > 1 {
v = 1
} else if v < -1 {
@ -418,12 +429,12 @@ func buttonValue(id string, button driver.StandardGamepadButton, state GamepadSt
// Adjust [-1, 1] to [0, 1]
return (v + 1) / 2
case mappingTypeButton:
if state.Button(m.Index) {
if state.Button(mapping.Index) {
return 1
}
return 0
case mappingTypeHat:
if state.Hat(m.Index)&m.HatState != 0 {
if state.Hat(mapping.Index)&mapping.HatState != 0 {
return 1
}
return 0
@ -444,14 +455,20 @@ func IsButtonPressed(id string, button driver.StandardGamepadButton, state Gamep
if !ok {
return false
}
switch m := mappings[button]; m.Type {
mapping := mappings[button]
if mapping == nil {
return false
}
switch mapping.Type {
case mappingTypeAxis:
v := buttonValue(id, button, state)
return v > threshold
case mappingTypeButton:
return state.Button(m.Index)
return state.Button(mapping.Index)
case mappingTypeHat:
return state.Hat(m.Index)&m.HatState != 0
return state.Hat(mapping.Index)&mapping.HatState != 0
}
return false