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Add option to auto-center the analog stick on touch within the boundaries of the stick

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TODO: Should this be default? Does this make sense for d-pad too?
This commit is contained in:
Henrik Rydgard 2015-03-05 10:58:25 +01:00
parent 45d8f0285b
commit 2b98f15f17
5 changed files with 31 additions and 6 deletions
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1
Core/Config.cpp
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@ -543,6 +543,7 @@ static ConfigSetting controlSettings[] = {
ConfigSetting("GamepadOnlyFocused", &g_Config.bGamepadOnlyFocused, false, true, true),
ConfigSetting("TouchButtonStyle", &g_Config.iTouchButtonStyle, 1, true, true),
ConfigSetting("TouchButtonOpacity", &g_Config.iTouchButtonOpacity, 65, true, true),
ConfigSetting("AutoCenterTouchAnalog", &g_Config.bAutoCenterTouchAnalog, false, true, true),
// -1.0f means uninitialized, set in GamepadEmu::CreatePadLayout().
ConfigSetting("ActionButtonSpacing2", &g_Config.fActionButtonSpacing, 1.0f, true, true),

3
Core/Config.h
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@ -239,6 +239,9 @@ public:
int iTouchButtonStyle;
// Control Positions
int iTouchButtonOpacity;
// Floating analog stick (recenters on thumb on press).
bool bAutoCenterTouchAnalog;
//space between PSP buttons
//the PSP button's center (triangle, circle, square, cross)
float fActionButtonCenterX, fActionButtonCenterY;

4
UI/GameSettingsScreen.cpp
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@ -388,6 +388,10 @@ void GameSettingsScreen::CreateViews() {
layoutEditorChoice_->OnClick.Handle(this, &GameSettingsScreen::OnTouchControlLayout);
layoutEditorChoice_->SetEnabledPtr(&g_Config.bShowTouchControls);
// Re-centers itself to the touch location on touch-down.
CheckBox *floatingAnalog = controlsSettings->Add(new CheckBox(&g_Config.bAutoCenterTouchAnalog, c->T("Auto-centering analog stick")));
floatingAnalog->SetEnabledPtr(&g_Config.bShowTouchControls);
// On systems that aren't Symbian, iOS, and Maemo, offer to let the user see this button.
// Some Windows touch devices don't have a back button or other button to call up the menu.
#if !defined(__SYMBIAN32__) && !defined(IOS) && !defined(MAEMO)

26
UI/GamepadEmu.cpp
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@ -218,7 +218,7 @@ void PSPDpad::Draw(UIContext &dc) {
}
PSPStick::PSPStick(int bgImg, int stickImg, int stick, float scale, UI::LayoutParams *layoutParams)
: UI::View(layoutParams), dragPointerId_(-1), bgImg_(bgImg), stickImageIndex_(stickImg), stick_(stick), scale_(scale) {
: UI::View(layoutParams), dragPointerId_(-1), bgImg_(bgImg), stickImageIndex_(stickImg), stick_(stick), scale_(scale), centerX_(-1), centerY_(-1) {
stick_size_ = 50;
}
@ -234,8 +234,13 @@ void PSPStick::Draw(UIContext &dc) {
uint32_t colorBg = colorAlpha(GetButtonColor(), opacity);
uint32_t color = colorAlpha(0x808080, opacity);
float stickX = bounds_.centerX();
float stickY = bounds_.centerY();
if (centerX_ < 0.0f) {
centerX_ = bounds_.centerX();
centerY_ = bounds_.centerY();
}
float stickX = centerX_;
float stickY = centerY_;
float dx, dy;
__CtrlPeekAnalog(stick_, &dx, &dy);
@ -247,6 +252,13 @@ void PSPStick::Draw(UIContext &dc) {
void PSPStick::Touch(const TouchInput &input) {
if (input.flags & TOUCH_DOWN) {
if (dragPointerId_ == -1 && bounds_.Contains(input.x, input.y)) {
if (g_Config.bAutoCenterTouchAnalog) {
centerX_ = input.x;
centerY_ = input.y;
} else {
centerX_ = bounds_.centerX();
centerY_ = bounds_.centerY();
}
dragPointerId_ = input.id;
ProcessTouch(input.x, input.y, true);
}
@ -259,17 +271,19 @@ void PSPStick::Touch(const TouchInput &input) {
if (input.flags & TOUCH_UP) {
if (input.id == dragPointerId_) {
dragPointerId_ = -1;
centerX_ = bounds_.centerX();
centerY_ = bounds_.centerY();
ProcessTouch(input.x, input.y, false);
}
}
}
void PSPStick::ProcessTouch(float x, float y, bool down) {
if (down) {
if (down && centerX_ >= 0.0f) {
float inv_stick_size = 1.0f / (stick_size_ * scale_);
float dx = (x - bounds_.centerX()) * inv_stick_size;
float dy = (y - bounds_.centerY()) * inv_stick_size;
float dx = (x - centerX_) * inv_stick_size;
float dy = (y - centerY_) * inv_stick_size;
// Do not clamp to a circle! The PSP has nearly square range!
// Old code to clamp to a circle

3
UI/GamepadEmu.h
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@ -118,6 +118,9 @@ private:
float scale_;
bool dragging_[MAX_POINTERS];
bool lastPointerDown_[MAX_POINTERS];
float centerX_;
float centerY_;
};
//initializes the layout from Config. if a default layout does not exist,