Add shiny gold icon animation

Common/Render/DrawBuffer.cpp

@@ -348,15 +348,19 @@ void DrawBuffer::DrawImageRotatedStretch(ImageID atlas_image, const Bounds &boun
 	}
 }
 
-void DrawBuffer::Circle(float xc, float yc, float radius, float thickness, int segments, float startAngle, uint32_t color, float u_mul) {
-	float angleDelta = PI * 2 / segments;
+void DrawBuffer::CircleSegment(float xc, float yc, float radius, float thickness, int segments, float startAngle, float endAngle, uint32_t color, float u_mul) {
+	if (endAngle < startAngle) {
+		std::swap(endAngle, startAngle);
+	}
+
+	float angleDelta = (endAngle - startAngle) / segments;
 	float uDelta = 1.0f / segments;
 	float t2 = thickness / 2.0f;
 	float r1 = radius + t2;
 	float r2 = radius - t2;
 	for (int i = 0; i < segments + 1; i++) {
-		float angle1 = i * angleDelta;
-		float angle2 = (i + 1) * angleDelta;
+		float angle1 = startAngle + i * angleDelta;
+		float angle2 = startAngle + (i + 1) * angleDelta;
 		float u1 = u_mul * i * uDelta;
 		float u2 = u_mul * (i + 1) * uDelta;
 		// TODO: get rid of one pair of cos/sin per loop, can reuse from last iteration
@@ -372,6 +376,10 @@ void DrawBuffer::Circle(float xc, float yc, float radius, float thickness, int s
 	}
 }
 
+void DrawBuffer::Circle(float x, float y, float radius, float thickness, int segments, float startAngle, uint32_t color, float u_mul) {
+	CircleSegment(x, y, radius, thickness, segments, startAngle, startAngle + PI * 2.0, color, u_mul);
+}
+
 void DrawBuffer::FillCircle(float xc, float yc, float radius, int segments, uint32_t color) {
 	float angleDelta = PI * 2 / segments;
 	float uDelta = 1.0f / segments;

Common/Render/DrawBuffer.h

@@ -91,6 +91,7 @@ public:
 		V(x, y, curZ_, color, u, v);
 	}
 
+	void CircleSegment(float x, float y, float radius, float thickness, int segments, float startAngle, float endAngle, uint32_t color, float u_mul);
 	void Circle(float x, float y, float radius, float thickness, int segments, float startAngle, uint32_t color, float u_mul);
 	void FillCircle(float x, float y, float radius, int segments, uint32_t color);
 

Common/UI/View.cpp

@@ -1013,10 +1013,13 @@ void RadioButton::Draw(UIContext &dc) {
 
 void ImageView::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
 	dc.Draw()->GetAtlas()->measureImage(atlasImage_, &w, &h);
+	w *= scale_;
+	h *= scale_;
 	// TODO: involve sizemode
 }
 
 void ImageView::Draw(UIContext &dc) {
+	dc.Begin();
 	const AtlasImage *img = dc.Draw()->GetAtlas()->getImage(atlasImage_);
 	if (img) {
 		// TODO: involve sizemode

Common/UI/View.h

@@ -1096,11 +1096,13 @@ public:
 	void GetContentDimensions(const UIContext &dc, float &w, float &h) const override;
 	void Draw(UIContext &dc) override;
 	std::string DescribeText() const override { return text_; }
+	void SetScale(float s) { scale_ = s; }  // Only used for measuring.
 
 private:
 	std::string text_;
 	ImageID atlasImage_;
 	ImageSizeMode sizeMode_;
+	float scale_ = 1.0f;
 };
 
 class ProgressBar : public InertView {

UI/IAPScreen.cpp

@@ -2,6 +2,7 @@
 
 #include "UI/IAPScreen.h"
 #include "UI/OnScreenDisplay.h"
+#include "UI/MiscScreens.h"
 #include "Common/System/System.h"
 #include "Common/Data/Text/I18n.h"
 #include "Common/System/OSD.h"
@@ -22,7 +23,7 @@ void IAPScreen::CreateViews() {
 	root_->Add(leftColumnItems);
 
 	ViewGroup *appTitle = new LinearLayout(ORIENT_HORIZONTAL, new LinearLayoutParams(FILL_PARENT, WRAP_CONTENT));
-	appTitle->Add(new ImageView(ImageID("I_ICONGOLD"), "", IS_DEFAULT, new LinearLayoutParams(64, 64)));
+	appTitle->Add(new ShinyIcon(ImageID("I_ICONGOLD"), new LinearLayoutParams(64, 64)));
 	appTitle->Add(new TextView("PPSSPP Gold", new LinearLayoutParams(1.0f, G_VCENTER)));
 	leftColumnItems->Add(appTitle);
 

UI/MiscScreens.cpp

@@ -916,6 +916,8 @@ void CreditsScreen::CreateViews() {
 	back->OnClick.Handle<UIScreen>(this, &UIScreen::OnOK);
 	root_->SetDefaultFocusView(back);
 
+	const bool gold = System_GetPropertyBool(SYSPROP_APP_GOLD);
+
 	// Really need to redo this whole layout with some linear layouts...
 
 	int rightYOffset = 0;
@@ -936,10 +938,11 @@ void CreditsScreen::CreateViews() {
 #if PPSSPP_PLATFORM(ANDROID) || PPSSPP_PLATFORM(IOS)
 	root_->Add(new Button(cr->T("Share PPSSPP"), new AnchorLayoutParams(260, 64, NONE, NONE, 10, rightYOffset + 158, false)))->OnClick.Handle(this, &CreditsScreen::OnShare);
 #endif
-	if (System_GetPropertyBool(SYSPROP_APP_GOLD)) {
-		root_->Add(new ImageView(ImageID("I_ICONGOLD"), "", IS_DEFAULT, new AnchorLayoutParams(100, 64, 10, 10, NONE, NONE, false)));
+
+	if (true || System_GetPropertyBool(SYSPROP_APP_GOLD)) {
+		root_->Add(new ShinyIcon(ImageID("I_ICONGOLD"), new AnchorLayoutParams(WRAP_CONTENT, WRAP_CONTENT, 10, 10, NONE, NONE, false)))->SetScale(1.5f);
 	} else {
-		root_->Add(new ImageView(ImageID("I_ICON"), "", IS_DEFAULT, new AnchorLayoutParams(100, 64, 10, 10, NONE, NONE, false)));
+		root_->Add(new ImageView(ImageID("I_ICON"), "", IS_DEFAULT, new AnchorLayoutParams(WRAP_CONTENT, WRAP_CONTENT, 10, 10, NONE, NONE, false)))->SetScale(1.5f);
 	}
 }
 
@@ -1223,3 +1226,33 @@ void SettingInfoMessage::Draw(UIContext &dc) {
 std::string SettingInfoMessage::GetText() const {
 	return (showing_ && text_) ? text_->GetText() : "";
 }
+
+void ShinyIcon::Draw(UIContext &dc) {
+	static const float radius[6] = { 0.5f, 0.6f, 0.7f, 0.8f, 0.9f, 1.0f };
+	static const float startAngle[6] = { 0.3f, 0.5f, 0.1f, 0.9f, 0.7f, 0.4f };
+	static const float arcLength[6] = { 0.45f, 0.2f, 0.6f, 0.7f, 0.3f, 0.5f };
+	static const float speed[6] = { 0.4f, -0.9f, 0.2f, -0.6f, 0.7f, -0.1f };
+
+	dc.BeginNoTex();
+
+	const double t = time_now_d();
+	const int x = bounds_.centerX();
+	const int y = bounds_.centerY();
+	for (int i = 0; i < 6; i++) {
+		float radius = (i * 0.1f + 0.4f) * 1.3f;
+		float alpha = (5 - i) * (1.0f / 9.0f);
+
+		float angle = fmod(startAngle[i] + t * speed[i] * 0.7f, 1.0) * 2 * PI;
+		dc.Draw()->CircleSegment(x, y, radius * bounds_.w, 4.0f, 64.0f, angle, angle + arcLength[i] * 2 * PI, colorAlpha(0xFF3EC5FF, alpha), 0.0f);
+	}
+
+	dc.Flush();
+	dc.Begin();
+
+	const AtlasImage *img = dc.Draw()->GetAtlas()->getImage(ImageID("I_DROP_SHADOW"));
+	float scale = bounds_.w / img->w;
+	dc.Draw()->DrawImage(ImageID("I_DROP_SHADOW"), bounds_.centerX(), bounds_.centerY(), scale * 1.7f, 0xFF3EC5FF, ALIGN_CENTER);
+	dc.Flush();
+
+	UI::ImageView::Draw(dc);
+}

UI/MiscScreens.h

@@ -193,4 +193,10 @@ private:
 	bool showing_ = false;
 };
 
+class ShinyIcon : public UI::ImageView {
+public:
+	ShinyIcon(ImageID atlasImage, UI::LayoutParams *layoutParams = 0) : UI::ImageView(atlasImage, "", UI::IS_DEFAULT, layoutParams) {}
+	void Draw(UIContext &dc) override;
+};
+
 uint32_t GetBackgroundColorWithAlpha(const UIContext &dc);