switch to dtk setup (#2203)

* switch to dtk setup

* some cleanup / fixes

* cleanup d_a_alink literals

* Restore doxygen, update CI & README.md (#1)

* Fix build image ref (#2)

---------

Co-authored-by: Luke Street <luke@street.dev>

src/d/d_bg_s_poly_pass_chk.cpp

@@ -0,0 +1,104 @@
+/**
+ * d_bg_s_poly_pass_chk.h
+ * BG Collision Poly Passthrough Check
+*/
+
+#include "d/d_bg_s_poly_pass_chk.h"
+
+dBgS_PolyPassChk::dBgS_PolyPassChk() {
+    mObject = false;
+    mCamera = false;
+    mLink = false;
+    mArrow = false;
+    mBomb = false;
+    mBoomerang = false;
+    mRope = false;
+    mUnderwaterRoof = false;
+    mHorse = false;
+    mStatue = false;
+    mIronBall = false;
+}
+
+dBgS_PolyPassChk::~dBgS_PolyPassChk() {}
+
+void dBgS_PolyPassChk::SetPassChkInfo(dBgS_PolyPassChk& chk) {
+    *this = chk;
+}
+
+void dBgS_PolyPassChk::SetObj() {
+    mObject = true;
+}
+
+void dBgS_PolyPassChk::ClrObj() {
+    mObject = false;
+}
+
+void dBgS_PolyPassChk::SetCam() {
+    mCamera = true;
+}
+
+void dBgS_PolyPassChk::ClrCam() {
+    mCamera = false;
+}
+
+void dBgS_PolyPassChk::SetLink() {
+    mLink = true;
+}
+
+void dBgS_PolyPassChk::ClrLink() {
+    mLink = false;
+}
+
+void dBgS_PolyPassChk::SetArrow() {
+    mArrow = true;
+}
+
+void dBgS_PolyPassChk::SetBomb() {
+    mBomb = true;
+}
+
+void dBgS_PolyPassChk::ClrBomb() {
+    mBomb = false;
+}
+
+void dBgS_PolyPassChk::SetBoomerang() {
+    mBoomerang = true;
+}
+
+void dBgS_PolyPassChk::SetRope() {
+    mRope = true;
+}
+
+void dBgS_PolyPassChk::SetUnderwaterRoof() {
+    mUnderwaterRoof = true;
+}
+
+void dBgS_PolyPassChk::SetHorse() {
+    mHorse = true;
+}
+
+bool dBgS_PolyPassChk::ChkNoHorse() {
+    if (ChkObj() || ChkCam() || ChkLink() || ChkArrow() || ChkBomb() || ChkBoomerang() ||
+        ChkRope() || ChkUnderwaterRoof())
+    {
+        return true;
+    }
+
+    return !ChkHorse();
+}
+
+void dBgS_PolyPassChk::SetStatue() {
+    mStatue = true;
+}
+
+void dBgS_PolyPassChk::ClrStatue() {
+    mStatue = false;
+}
+
+void dBgS_PolyPassChk::SetIronBall() {
+    mIronBall = true;
+}
+
+void dBgS_PolyPassChk::ClrIronBall() {
+    mIronBall = false;
+}