From 8185d87f855baff0d55d0e3ffc1a3cbdcfc4b5e2 Mon Sep 17 00:00:00 2001
From: TakaRikka <38417346+TakaRikka@users.noreply.github.com>
Date: Tue, 16 Dec 2025 06:55:07 -0800
Subject: copy homebuttonLib from oot-vc (#2960)

* initial copy of hbm from sdk_2009-12-11

* some more nw4hbm cleanup

* nw4hbm db mostly done

* nw4hbm snd copied from oot-vc

* nw4hbm ut copied

* nw4hbm lyt copied

* nw4hbm copied, mostly matching usa 1.0

* setup nw4hbm debug define

* fix HBMDataInfo struct

* add rvl sdk card lib
---
 .../homebuttonLib/HBMFrameController.cpp           | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/revolution/homebuttonLib/HBMFrameController.cpp

(limited to 'src/revolution/homebuttonLib/HBMFrameController.cpp')

diff --git a/src/revolution/homebuttonLib/HBMFrameController.cpp b/src/revolution/homebuttonLib/HBMFrameController.cpp
new file mode 100644
index 0000000000..dccaf15996
--- /dev/null
+++ b/src/revolution/homebuttonLib/HBMFrameController.cpp
@@ -0,0 +1,68 @@
+
+#include "HBMFrameController.h"
+
+namespace homebutton {
+
+    void FrameController::init(int anm_type, f32 max_frame, f32 min_frame, f32 delta) {
+        mAnmType = anm_type;
+        mMaxFrame = max_frame;
+        mMinFrame = min_frame;
+
+        mDelta = delta;
+        mState = ANIM_STATE_STOP;
+        mbAlternateBack = false;
+
+        initFrame();
+    }
+
+    void FrameController::initFrame() {
+        mFrame = mAnmType == ANIM_TYPE_BACKWARD ? mMaxFrame : mMinFrame;
+    }
+
+    void FrameController::calc() {
+        if (mState != ANIM_STATE_PLAY) {
+            return;
+        }
+
+        switch (mAnmType) {
+        case ANIM_TYPE_FORWARD:
+            if ((mFrame += mDelta) >= getLastFrame()) {
+                mFrame = getLastFrame();
+                stop();
+            }
+
+            break;
+
+        case ANIM_TYPE_BACKWARD:
+            if ((mFrame -= mDelta) <= mMinFrame) {
+                mFrame = mMinFrame;
+                stop();
+            }
+
+            break;
+
+        case ANIM_TYPE_LOOP:
+            if ((mFrame += mDelta) >= mMaxFrame) {
+                mFrame -= mMaxFrame - mMinFrame;
+            }
+
+            break;
+
+        case ANIM_TYPE_ALTERNATE:
+            if (!mbAlternateBack) {
+                if ((mFrame += mDelta) >= getLastFrame()) {
+                    mFrame = getLastFrame();
+                    mbAlternateBack = true;
+                }
+            } else {
+                if ((mFrame -= mDelta) <= mMinFrame) {
+                    mFrame = mMinFrame;
+                    mbAlternateBack = false;
+                }
+            }
+
+            break;
+        }
+    }
+
+}  // namespace homebutton
-- 
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