add bubbles

not used yet

sphaira/CMakeLists.txt

@@ -57,6 +57,7 @@ add_executable(sphaira
     source/ui/sidebar.cpp
     source/ui/widget.cpp
     source/ui/list.cpp
+    source/ui/bubbles.cpp
 
     source/app.cpp
     source/download.cpp

sphaira/include/ui/bubbles.hpp

@@ -0,0 +1,10 @@
+#include "ui/types.hpp"
+#include "ui/object.hpp"
+
+namespace sphaira::ui::bubble {
+
+void Init();
+void Draw(NVGcontext* vg, Theme* theme);
+void Exit();
+
+} // namespace sphaira::ui::bubble

sphaira/source/app.cpp

@@ -1,6 +1,7 @@
 #include "ui/menus/main_menu.hpp"
 #include "ui/error_box.hpp"
 #include "ui/option_box.hpp"
+#include "ui/bubbles.hpp"
 
 #include "app.hpp"
 #include "log.hpp"
@@ -975,6 +976,7 @@ void App::Draw() {
     }
 
     m_notif_manager.Draw(vg, &m_theme);
+    ui::bubble::Draw(vg, &m_theme);
 
     nvgResetTransform(vg);
     nvgEndFrame(this->vg);
@@ -1350,6 +1352,9 @@ App::App(const char* argv0) {
         }
     }
 
+    // soon (tm)
+    // ui::bubble::Init();
+
     App::Push(std::make_shared<ui::menu::main::MainMenu>());
     log_write("finished app constructor\n");
 }
@@ -1373,6 +1378,8 @@ App::~App() {
     i18n::exit();
     curl::Exit();
 
+    ui::bubble::Exit();
+
     // this has to be called before any cleanup to ensure the lifetime of
     // nvg is still active as some widgets may need to free images.
     m_widgets.clear();

sphaira/source/ui/bubbles.cpp

@@ -0,0 +1,115 @@
+#include "ui/types.hpp"
+#include "ui/object.hpp"
+#include "ui/nvg_util.hpp"
+#include "app.hpp"
+
+namespace sphaira::ui::bubble {
+namespace {
+
+constexpr auto MAX_BUBBLES = 20;
+
+struct Bubble {
+    int start_x;
+    int texture;
+    int x,y,w,h;
+    int y_inc;
+    float sway_inc;
+    float sway;
+    bool sway_right_flag;
+};
+
+Bubble bubbles[MAX_BUBBLES]{};
+int g_textures[3];
+bool g_is_init = false;
+
+void setup_bubble(Bubble *bubble) {
+    // setup normal vars.
+    bubble->texture = (randomGet64() % std::size(g_textures));
+    bubble->start_x = randomGet64() % (int)SCREEN_WIDTH;
+    bubble->x = bubble->start_x;
+    bubble->y = (int)SCREEN_HEIGHT - ( randomGet64() % 60 );
+    const int size = (randomGet64() % 50) + 40;
+    bubble->w = size;
+    bubble->h = size;
+    bubble->y_inc = (randomGet64() % 5) + 1;
+    bubble->sway_inc = ((randomGet64() % 6) + 3) / 10;
+    bubble->sway = 0;
+}
+
+void setup_bubbles(void) {
+    for (auto& bubble : bubbles) {
+        setup_bubble(&bubble);
+    }
+}
+
+void update_bubbles(void) {
+    for (auto& bubble : bubbles) {
+        if (bubble.y + bubble.h < 0) {
+            setup_bubble(&bubble);
+        } else {
+            bubble.y -= bubble.y_inc;
+
+            if (bubble.sway_right_flag) {
+                bubble.x = bubble.start_x + (bubble.sway -= bubble.sway_inc);
+                if (bubble.sway <= 0) {
+                    bubble.sway_right_flag = false;
+                }
+            } else {
+                bubble.x = bubble.start_x + (bubble.sway += bubble.sway_inc);
+                if (bubble.sway > 30) {
+                    bubble.sway_right_flag = true;
+                }
+            }
+        }
+    }
+}
+
+} // namespace
+
+void Init() {
+    if (g_is_init) {
+        return;
+    }
+
+    if (R_SUCCEEDED(romfsInit())) {
+        ON_SCOPE_EXIT(romfsExit());
+
+        auto vg = App::GetVg();
+        g_textures[0] = nvgCreateImage(vg, "romfs:/theme/bubble1.png", 0);
+        g_textures[1] = nvgCreateImage(vg, "romfs:/theme/bubble2.png", 0);
+        g_textures[2] = nvgCreateImage(vg, "romfs:/theme/bubble3.png", 0);
+
+        setup_bubbles();
+        g_is_init = true;
+    }
+}
+
+void Draw(NVGcontext* vg, Theme* theme) {
+    if (!g_is_init) {
+        return;
+    }
+
+    update_bubbles();
+
+    for (auto& bubble : bubbles) {
+        gfx::drawImage(vg, bubble.x, bubble.y, bubble.w, bubble.h, g_textures[bubble.texture]);
+    }
+}
+
+void Exit() {
+    if (!g_is_init) {
+        return;
+    }
+
+    auto vg = App::GetVg();
+    for (auto& texture : g_textures) {
+        if (texture) {
+            nvgDeleteImage(vg, texture);
+            texture = 0;
+        }
+    }
+
+    g_is_init = false;
+}
+
+} // namespace sphaira::ui::bubble