general cleanup, d_menu_quit / d_a_obj_testcube mostly done, d_msg_scrn_explain debug (#3065)

* typedef for cPhs_Step

* make sdk includes consistent

* d_menu_quit / d_msg_scrn_explain debug

* d_a_obj_testcube mostly done

* d_debug_pad mostly done

* jstudio tool library headers

* some JStudioCameraEditor headers

* d_jcam_editor mostly done

* try fixing some shield regressions

* d_bg_parts mostly done

* fix merge errors

* debug fix

1 files changed, 164 insertions, 91 deletions

diff --git a/src/d/d_msg_scrn_explain.cpp b/src/d/d_msg_scrn_explain.cpp
index 3df29b4e11..60d1379b50 100644
--- a/src/d/d_msg_scrn_explain.cpp
+++ b/src/d/d_msg_scrn_explain.cpp
@@ -31,44 +31,64 @@ static dMsgScrnExplain_c::ProcFunc move_process[] = {
     &dMsgScrnExplain_c::move_select_proc, &dMsgScrnExplain_c::close_proc,
 };
 
-dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_2, u8 param_3) {
+dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool i_isUseBackTex, u8 param_3) {
     mpStick = i_stick;
-    field_0x54 = 0;
+    mOpenMsgId = 0;
     field_0x5c = 0;
     field_0x64 = 0;
     mSelCursor = 0;
     field_0x62 = 0xff;
     field_0x63 = 0;
-    mStatus = 0;
+    mStatus = STATUS_WAIT_e;
     field_0x5a = 0;
     mForceSelect = 0;
-    field_0x58 = 1;
+    field_0x58 = true;
     field_0x66 = param_1;
     mKeyWaitTimer = 0;
     field_0x67 = param_3;
 
     mpString_c = new dMsgString_c();
+    JUT_ASSERT(79, mpString_c != NULL);
 
     mpOutFont = new COutFont_c(0);
+    JUT_ASSERT(83, mpOutFont != NULL);
     mpOutFont->createPane();
 
     mpScreen = new J2DScreen();
-    mpScreen->setPriority("zelda_message_window_new.blo", 0x20000, dComIfGp_getMsgArchive(1));
+    JUT_ASSERT(88, mpScreen != NULL);
+
+    #if PLATFORM_GCN
+    #define MSG_WINDOW_BLO_FILENAME "zelda_message_window_new.blo"
+    #else
+    #define MSG_WINDOW_BLO_FILENAME "zelda_message_window_new_revo.blo"
+    #endif
+
+    bool fg = mpScreen->setPriority(MSG_WINDOW_BLO_FILENAME, 0x20000, dComIfGp_getMsgArchive(1));
+    JUT_ASSERT(98, fg != false);
     dPaneClass_showNullPane(mpScreen);
 
     mpTxScreen = new J2DScreen();
+    JUT_ASSERT(102, mpTxScreen != NULL);
     field_0x48 = 608.0f;
 
     if (param_1 == 1 || param_1 == 3) {
-        mpTxScreen->setPriority("zelda_message_window_text_save_road.blo", 0x20000,
-                                dComIfGp_getMsgCommonArchive());
+        #if PLATFORM_GCN
+        #define MSG_WINDOW_TXT_SAVEROAD_BLO_FILENAME "zelda_message_window_text_save_road.blo"
+        #else
+        #define MSG_WINDOW_TXT_SAVEROAD_BLO_FILENAME "zelda_message_window_save_road_text_revo.blo"
+        #endif
+        fg = mpTxScreen->setPriority(MSG_WINDOW_TXT_SAVEROAD_BLO_FILENAME, 0x20000, dComIfGp_getMsgCommonArchive());
+        JUT_ASSERT(119, fg != false);
         dPaneClass_showNullPane(mpTxScreen);
 
         mpTm_c[0] = new CPaneMgr(mpTxScreen, 'mg_3line', 0, NULL);
+        JUT_ASSERT(124, mpTm_c[0] != NULL);
+
         mpTm_c[1] = new CPaneMgr(mpTxScreen, 't3_s', 0, NULL);
+        JUT_ASSERT(127, mpTm_c[1] != NULL);
 
-        field_0x10[0] = NULL;
-        field_0x10[1] = NULL;
+        mpTmr_c[0] = NULL;
+        mpTmr_c[1] = NULL;
 
         mpTxScreen->search('n_3line')->show();
         mpTxScreen->search('n_3fline')->hide();
@@ -81,8 +101,9 @@ dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_
 #endif
         field_0x4c = 0.0f;
     } else {
-        mpTxScreen->setPriority("zelda_message_window_text.blo", 0x20000,
-                                dComIfGp_getMsgCommonArchive());
+        fg = mpTxScreen->setPriority("zelda_message_window_text.blo", 0x20000,
+                                     dComIfGp_getMsgCommonArchive());
+        JUT_ASSERT(153, fg != false);
         dPaneClass_showNullPane(mpTxScreen);
 
         mpScreen->search('n_all')->scale(g_MsgObject_HIO_c.mBoxTalkScaleX,
@@ -94,8 +115,8 @@ dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_
             mpTm_c[0] = new CPaneMgr(mpTxScreen, 'mg_3flin', 0, NULL);
             mpTm_c[1] = new CPaneMgr(mpTxScreen, 't3f_s', 0, NULL);
 
-            field_0x10[0] = new CPaneMgr(mpTxScreen, 'mg_3f', 0, NULL);
-            field_0x10[1] = new CPaneMgr(mpTxScreen, 'mg_3f_s', 0, NULL);
+            mpTmr_c[0] = new CPaneMgr(mpTxScreen, 'mg_3f', 0, NULL);
+            mpTmr_c[1] = new CPaneMgr(mpTxScreen, 'mg_3f_s', 0, NULL);
 
             mpTxScreen->search('n_3line')->hide();
             mpTxScreen->search('n_3fline')->show();
@@ -104,8 +125,8 @@ dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_
             mpTm_c[0] = new CPaneMgr(mpTxScreen, 'mg_3line', 0, NULL);
             mpTm_c[1] = new CPaneMgr(mpTxScreen, 't3_s', 0, NULL);
 
-            field_0x10[0] = NULL;
-            field_0x10[1] = NULL;
+            mpTmr_c[0] = NULL;
+            mpTmr_c[1] = NULL;
 
             mpTxScreen->search('n_3line')->show();
             mpTxScreen->search('n_3fline')->hide();
@@ -115,10 +136,13 @@ dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_
         field_0x50 = -10.0f;
 
         mpTm_c[0] = new CPaneMgr(mpTxScreen, 'mg_e4lin', 0, NULL);
+        JUT_ASSERT(162, mpTm_c[0] != NULL);
+
         mpTm_c[1] = new CPaneMgr(mpTxScreen, 't4_s', 0, NULL);
+        JUT_ASSERT(165, mpTm_c[1] != NULL);
 
-        field_0x10[0] = NULL;
-        field_0x10[1] = NULL;
+        mpTmr_c[0] = NULL;
+        mpTmr_c[1] = NULL;
 
         mpTxScreen->search('n_3line')->hide();
         mpTxScreen->search('n_3fline')->hide();
@@ -142,14 +166,14 @@ dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_
 #endif
         ((J2DTextBox*)mpTm_c[i]->getPanePtr())->setLineSpace(lineSpace);
 
-        if (field_0x10[i] != NULL) {
-            ((J2DTextBox*)field_0x10[i]->getPanePtr())->setFont(mDoExt_getMesgFont());
+        if (mpTmr_c[i] != NULL) {
+            ((J2DTextBox*)mpTmr_c[i]->getPanePtr())->setFont(mDoExt_getMesgFont());
 #if VERSION == VERSION_GCN_JPN
-            ((J2DTextBox*)field_0x10[i]->getPanePtr())->setString(0x210, "");
+            ((J2DTextBox*)mpTmr_c[i]->getPanePtr())->setString(0x210, "");
 #else
-            ((J2DTextBox*)field_0x10[i]->getPanePtr())->setString(0x200, "");
+            ((J2DTextBox*)mpTmr_c[i]->getPanePtr())->setString(0x200, "");
 #endif
-            ((J2DTextBox*)field_0x10[i]->getPanePtr())->setLineSpace(lineSpace);
+            ((J2DTextBox*)mpTmr_c[i]->getPanePtr())->setLineSpace(lineSpace);
         }
     }
 
@@ -158,15 +182,24 @@ dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_
         g_MsgObject_HIO_c.mTextPosY + mpScreen->search('mg_null')->getBounds().i.y);
 
     mpArw_c = new CPaneMgr(mpScreen, 'set_ya_n', 0, NULL);
+    JUT_ASSERT(241, mpArw_c != NULL);
+
     mpMg_c[0] = new CPaneMgr(mpScreen, 'mg_null', 0, NULL);
+    JUT_ASSERT(244, mpMg_c[0] != NULL);
+
     mpMg_c[1] = new CPaneMgr(mpTxScreen, 'mg_null', 0, NULL);
+    JUT_ASSERT(247, mpMg_c[1] != NULL);
+
     mpRoot_c[0] = new CPaneMgr(mpScreen, 'ROOT', 2, NULL);
+    JUT_ASSERT(250, mpRoot_c[0] != NULL);
+
     mpRoot_c[1] = new CPaneMgr(mpTxScreen, 'ROOT', 2, NULL);
+    JUT_ASSERT(253, mpRoot_c[1] != NULL);
 
-    if (param_2 == true) {
-        ResTIMG* texResource =
-            (ResTIMG*)dComIfGp_getMain2DArchive()->getResource('TIMG', "tt_block8x8.bti");
+    if (i_isUseBackTex == true) {
+        ResTIMG* texResource = (ResTIMG*)dComIfGp_getMain2DArchive()->getResource('TIMG', "tt_block8x8.bti");
         mpBackTex = new J2DPicture(texResource);
+        JUT_ASSERT(259, mpBackTex != NULL);
         mpBackTex->setBlackWhite(JUtility::TColor(0, 0, 0, 0),
                                  JUtility::TColor(0, 0, 0, 0xff));
         mpBackTex->setAlpha(0);
@@ -175,17 +208,19 @@ dMsgScrnExplain_c::dMsgScrnExplain_c(STControl* i_stick, u8 param_1, bool param_
     }
 
     mpArrow_c = new dMsgScrnArrow_c();
+    JUT_ASSERT(269, mpArrow_c != NULL);
 
     if (i_stick != NULL) {
         mpSelect_c = new dMsgScrn3Select_c();
+        JUT_ASSERT(274, mpSelect_c != NULL);
     } else {
         mpSelect_c = NULL;
     }
 
-    Vec vtxCenter = mpArw_c->getGlobalVtxCenter(mpArw_c->mPane, false, 0);
+    Vec vtxCenter = mpArw_c->getGlobalVtxCenter(false, 0);
     mpArrow_c->setPos(vtxCenter.x, vtxCenter.y);
 
-    Vec vtxCenter2 = mpMg_c[0]->getGlobalVtxCenter(mpMg_c[0]->mPane, false, 0);
+    Vec vtxCenter2 = mpMg_c[0]->getGlobalVtxCenter(false, 0);
     mpMg_c[1]->translate(vtxCenter2.x + field_0x50, vtxCenter2.y);
 }
 
@@ -209,9 +244,9 @@ dMsgScrnExplain_c::~dMsgScrnExplain_c() {
         delete mpTm_c[i];
         mpTm_c[i] = NULL;
 
-        if (field_0x10[i] != NULL) {
-            delete field_0x10[i];
-            field_0x10[i] = NULL;
+        if (mpTmr_c[i] != NULL) {
+            delete mpTmr_c[i];
+            mpTmr_c[i] = NULL;
         }
 
         delete mpMg_c[i];
@@ -265,7 +300,7 @@ void dMsgScrnExplain_c::move() {
 }
 
 void dMsgScrnExplain_c::draw(J2DOrthoGraph* i_graf) {
-    if (mStatus == 0 || mStatus == 1) {
+    if (mStatus == STATUS_WAIT_e || mStatus == STATUS_OPEN_REQ_e) {
         return;
     }
 
@@ -282,9 +317,9 @@ void dMsgScrnExplain_c::draw(J2DOrthoGraph* i_graf) {
 
     mpTxScreen->draw(0.0f, 0.0f, (J2DGrafContext*)i_graf);
 #if VERSION == VERSION_GCN_JPN
-    mpString_c->getString(field_0x54, (J2DTextBox*)mpTm_c[0]->getPanePtr(), NULL, NULL, NULL, 12);
+    mpString_c->getString(mOpenMsgId, (J2DTextBox*)mpTm_c[0]->getPanePtr(), NULL, NULL, NULL, 12);
 #else
-    mpString_c->getString(field_0x54, (J2DTextBox*)mpTm_c[0]->getPanePtr(), NULL, NULL, NULL, 8);
+    mpString_c->getString(mOpenMsgId, (J2DTextBox*)mpTm_c[0]->getPanePtr(), NULL, NULL, NULL, 8);
 #endif
     mpString_c->drawOutFont((J2DTextBox*)mpTm_c[0]->getPanePtr(), -1.0f);
 
@@ -313,26 +348,26 @@ void dMsgScrnExplain_c::wait_proc() {}
 void dMsgScrnExplain_c::open_request_init() {}
 
 void dMsgScrnExplain_c::open_request_proc() {
-    J2DTextBox* uVar1;
-    J2DTextBox* uVar6 = NULL;
+    J2DTextBox* tbox = NULL;
+    J2DTextBox* rubyTbox = NULL;
 
-    uVar1 = (J2DTextBox*)mpTm_c[0]->getPanePtr();
-    if (field_0x10[0] != NULL) {
-        uVar6 = (J2DTextBox*)field_0x10[0]->getPanePtr();
+    tbox = (J2DTextBox*)mpTm_c[0]->getPanePtr();
+    if (mpTmr_c[0] != NULL) {
+        rubyTbox = (J2DTextBox*)mpTmr_c[0]->getPanePtr();
     }
 
-    char acStack_220[STR_BUF_LEN];
-    char acStack_420[STR_BUF_LEN];
-    char acStack_620[STR_BUF_LEN];
+    char text[STR_BUF_LEN];
+    char ruby[STR_BUF_LEN];
+    char textShadow[STR_BUF_LEN];
 
-    if (dMsgObject_getString(field_0x54, uVar1, uVar6, mDoExt_getMesgFont(), mpOutFont, acStack_220,
-                             acStack_420, acStack_620, &field_0x5c) != 0)
-    {
-        strcpy(((J2DTextBox*)mpTm_c[0]->getPanePtr())->getStringPtr(), acStack_220);
-        strcpy(((J2DTextBox*)mpTm_c[1]->getPanePtr())->getStringPtr(), acStack_620);
+    bool rt = dMsgObject_getString(mOpenMsgId, tbox, rubyTbox, mDoExt_getMesgFont(), mpOutFont, text,
+                                   ruby, textShadow, &field_0x5c);
+    if (rt) {
+        strcpy(((J2DTextBox*)mpTm_c[0]->getPanePtr())->getStringPtr(), text);
+        strcpy(((J2DTextBox*)mpTm_c[1]->getPanePtr())->getStringPtr(), textShadow);
         for (int i = 0; i < 2; i++) {
-            if (field_0x10[i] != NULL) {
-                strcpy(((J2DTextBox*)field_0x10[i]->getPanePtr())->getStringPtr(), acStack_420);
+            if (mpTmr_c[i] != NULL) {
+                strcpy(((J2DTextBox*)mpTmr_c[i]->getPanePtr())->getStringPtr(), ruby);
             }
         }
 
@@ -340,7 +375,7 @@ void dMsgScrnExplain_c::open_request_proc() {
             Z2GetSpeechMgr2()->setTextCount(0);
         }
 
-        mStatus = 2;
+        mStatus = STATUS_OPEN_e;
     }
 }
 
@@ -350,7 +385,7 @@ void dMsgScrnExplain_c::open_init() {
     for (int i = 0; i < 2; i++) {
         mpRoot_c[i]->setAlphaRate(0.0f);
     }
-    mDoAud_seStart(Z2SE_SY_EXP_WIN_OPEN, 0, 0, 0);
+    mDoAud_seStart(Z2SE_SY_EXP_WIN_OPEN, NULL, 0, 0);
 }
 
 void dMsgScrnExplain_c::open_proc() {
@@ -358,9 +393,9 @@ void dMsgScrnExplain_c::open_proc() {
     if (field_0x5a >= 5) {
         field_0x5a = 5;
         if (field_0x64 == 1 || field_0x64 == 2) {
-            mStatus = 4;
+            mStatus = STATUS_MOVE_SELECT_e;
         } else {
-            mStatus = 3;
+            mStatus = STATUS_MOVE_e;
         }
     }
 
@@ -385,14 +420,14 @@ void dMsgScrnExplain_c::move_proc() {
     }
 
     if (mDoCPd_c::getTrigA(PAD_1) ||
-        ((field_0x58 != 0x0 &&
+        ((field_0x58 &&
           (mDoCPd_c::getTrigB(PAD_1) || mDoCPd_c::getTrigZ(PAD_1) || mDoCPd_c::getTrigX(PAD_1) ||
            mDoCPd_c::getTrigY(PAD_1) || mDoCPd_c::getTrigStart(PAD_1) ||
            mDoCPd_c::getTrigR(PAD_1) || mDoCPd_c::getTrigL(PAD_1) || mForceSelect))))
     {
-        mStatus = 5;
+        mStatus = STATUS_CLOSE_e;
         dMeter2Info_set2DVibrationM();
-        mDoAud_seStart(Z2SE_SY_EXP_WIN_CLOSE, 0, 0, 0);
+        mDoAud_seStart(Z2SE_SY_EXP_WIN_CLOSE, NULL, 0, 0);
     }
 }
 
@@ -402,6 +437,10 @@ void dMsgScrnExplain_c::move_select_init() {
     char string_buf_yes[20];
     char string_buf_no[20];
 
+    f32 var_f31 = 0.0f;
+    f32 yes_str_len = 0.0f;
+    f32 no_str_len = 0.0f;
+
     msg_buf_yes[0] = 0;
     msg_buf_no[0] = 0;
     string_buf_yes[0] = 0;
@@ -415,36 +454,38 @@ void dMsgScrnExplain_c::move_select_init() {
         dMeter2Info_getString(0x520, msg_buf_no, NULL);   // "NO"
     }
 
-    f32 yes_str_len = dMeter2Info_getStringLength(mDoExt_getMesgFont(), mpSelect_c->getFontSize(),
-                                                  mpSelect_c->getCharSpace(), msg_buf_yes);
-    f32 no_str_len = dMeter2Info_getStringLength(mDoExt_getMesgFont(), mpSelect_c->getFontSize(),
-                                                 mpSelect_c->getCharSpace(), msg_buf_no);
-    f32 dVar13;
+    yes_str_len = dMeter2Info_getStringLength(mDoExt_getMesgFont(), mpSelect_c->getFontSize(),
+                                              mpSelect_c->getCharSpace(), msg_buf_yes);
+    no_str_len = dMeter2Info_getStringLength(mDoExt_getMesgFont(), mpSelect_c->getFontSize(),
+                                             mpSelect_c->getCharSpace(), msg_buf_no);
+
     if (yes_str_len < no_str_len) {
-        dVar13 = no_str_len;
+        var_f31 = no_str_len;
     } else {
-        dVar13 = yes_str_len;
+        var_f31 = yes_str_len;
     }
 
-    f32 tbox_width = mpSelect_c->getTextBoxWidth();
-    if (dVar13 < tbox_width) {
-        dVar13 = mpSelect_c->getTextBoxWidth();
+    if (var_f31 < mpSelect_c->getTextBoxWidth()) {
+        var_f31 = mpSelect_c->getTextBoxWidth();
     }
 
+    f32 var_f28 = 0.5f * (var_f31 - yes_str_len);
+    f32 var_f27 = 0.5f * (var_f31 - no_str_len);
+
     snprintf(string_buf_yes, 20,
              "\x1B"
              "CR[%d]",
-             (int)(0.5f * (dVar13 - yes_str_len)));
+             (int)var_f28);
     strcat(string_buf_yes, msg_buf_yes);
     snprintf(string_buf_no, 20,
              "\x1B"
              "CR[%d]",
-             (int)(0.5f * (dVar13 - no_str_len)));
+             (int)var_f27);
     strcat(string_buf_no, msg_buf_no);
 
     mpSelect_c->setString("", string_buf_yes, string_buf_no);
     mpSelect_c->setRubyString("", "", "");
-    mpSelect_c->selAnimeInit(2, mSelCursor + 1, 0, dVar13, 0);
+    mpSelect_c->selAnimeInit(2, mSelCursor + 1, 0, var_f31, 0);
     mpArrow_c->arwAnimeInit();
 }
 
@@ -468,7 +509,7 @@ void dMsgScrnExplain_c::move_select_proc() {
                 mDoAud_seStart(Z2SE_SY_TALK_CURSOR_OK, NULL, 0, 0);
             }
 
-            mStatus = 5;
+            mStatus = STATUS_CLOSE_e;
             mDoAud_seStart(Z2SE_SY_EXP_WIN_CLOSE, NULL, 0, 0);
         } else if (field_0x58 && (checkTriggerB() || mForceSelect)) {
             if (field_0x64 == 2) {
@@ -482,7 +523,7 @@ void dMsgScrnExplain_c::move_select_proc() {
                 }
             }
 
-            mStatus = 5;
+            mStatus = STATUS_CLOSE_e;
             mDoAud_seStart(Z2SE_SY_EXP_WIN_CLOSE, NULL, 0, 0);
         } else if (mpSelect_c->isSelect() && mpStick->checkUpTrigger()) {
             if (mSelCursor == 1) {
@@ -490,14 +531,28 @@ void dMsgScrnExplain_c::move_select_proc() {
                 Z2GetAudioMgr()->seStart(Z2SE_SY_MENU_CURSOR_COMMON, NULL, 0, 0, 1.0f, 1.0f, -1.0f,
                                          -1.0f, 0);
             }
-        } else if (mpSelect_c->isSelect() && mpStick->checkDownTrigger() && mSelCursor == 0) {
-            mSelCursor = 1;
-            Z2GetAudioMgr()->seStart(Z2SE_SY_MENU_CURSOR_COMMON, NULL, 0, 0, 1.0f, 1.0f, -1.0f,
-                                     -1.0f, 0);
+        } else if (mpSelect_c->isSelect() && mpStick->checkDownTrigger()) {
+            if (mSelCursor == 0) {
+                mSelCursor = 1;
+                Z2GetAudioMgr()->seStart(Z2SE_SY_MENU_CURSOR_COMMON, NULL, 0, 0, 1.0f, 1.0f, -1.0f,
+                                         -1.0f, 0);
+            }
         }
+        #if !PLATFORM_GCN
+        else if (mpSelect_c->getDPDPoint() != 0xFF) {
+            if (mSelCursor != mpSelect_c->getDPDPoint() && field_0x62 != mpSelect_c->getDPDPoint()) {
+                mSelCursor = mpSelect_c->getDPDPoint();
+                Z2GetAudioMgr()->seStart(Z2SE_SY_MENU_CURSOR_COMMON, NULL, 1, 0, 1.0f, 1.0f, -1.0f,
+                                        -1.0f, 0);
+                dMeter2Info_set2DVibration();
+            }
+        }
+
+        field_0x62 = mpSelect_c->getDPDPoint();
+        #endif
     }
 
-    if (mStatus == 4) {
+    if (mStatus == STATUS_MOVE_SELECT_e) {
         mpSelect_c->selAnimeMove(2, mSelCursor + 1, false);
     } else {
         mpSelect_c->selAnimeEnd();
@@ -509,7 +564,7 @@ void dMsgScrnExplain_c::close_init() {
 }
 
 void dMsgScrnExplain_c::close_proc() {
-    bool iVar1;
+    bool iVar1 = false;
     if (mpSelect_c != NULL) {
         iVar1 = mpSelect_c->selAnimeEnd();
     } else {
@@ -520,7 +575,7 @@ void dMsgScrnExplain_c::close_proc() {
     if (field_0x5a <= 0) {
         field_0x5a = 0;
         if (iVar1) {
-            mStatus = 0;
+            mStatus = STATUS_WAIT_e;
         }
     }
 
@@ -534,21 +589,21 @@ void dMsgScrnExplain_c::close_proc() {
     }
 }
 
-bool dMsgScrnExplain_c::openExplain(u32 param_0, u8 param_1, u8 param_2, u8 param_3, bool param_4) {
+bool dMsgScrnExplain_c::openExplain(u32 i_msgId, u8 param_1, u8 i_cursorSel, u8 param_3, bool param_4) {
     bool rv = false;
 
     if (g_MsgObject_HIO_c.mSaveSeqMsgDebug) {
-        param_0 = g_MsgObject_HIO_c.mSaveSeqMsgIndex;
+        i_msgId = g_MsgObject_HIO_c.mSaveSeqMsgIndex;
     }
 
-    if (mStatus == 0) {
-        field_0x54 = param_0;
+    if (mStatus == STATUS_WAIT_e) {
+        mOpenMsgId = i_msgId;
         field_0x64 = param_1;
-        mSelCursor = param_2;
+        mSelCursor = i_cursorSel;
         field_0x63 = param_3;
         mForceSelect = 0;
         field_0x58 = param_4;
-        mStatus = 1;
+        mStatus = STATUS_OPEN_REQ_e;
         open_request_init();
         rv = true;
     }
@@ -557,21 +612,39 @@ bool dMsgScrnExplain_c::openExplain(u32 param_0, u8 param_1, u8 param_2, u8 para
 }
 
 f32 dMsgScrnExplain_c::getAlphaRatio() {
+    f32 ratio;
+    f32 var_f30;
+    f32 var_f29;
     switch (mStatus) {
-    case 2:
-    case 5:
-        return 1.0f - (field_0x5a / 5.0f);
-    case 0:
-        return 1.0f;
+    case STATUS_OPEN_e:
+    case STATUS_CLOSE_e:
+        var_f29 = field_0x5a;
+        var_f30 = 5.0f;
+        ratio = 1.0f - (var_f29 / var_f30);
+        break;
+    case STATUS_WAIT_e:
+        ratio = 1.0f;
+        break;
     default:
-        return 0.0f;
+        ratio = 0.0f;
+        break;
     }
+
+    return ratio;
 }
 
 bool dMsgScrnExplain_c::checkTriggerA() {
-    return mDoCPd_c::getTrigA(PAD_1);
+    if (mDoCPd_c::getTrigA(PAD_1)) {
+        return true;
+    } else {
+        return false;
+    }
 }
 
 bool dMsgScrnExplain_c::checkTriggerB() {
-    return mDoCPd_c::getTrigB(PAD_1);
+    if (mDoCPd_c::getTrigB(PAD_1)) {
+        return true;
+    } else {
+        return false;
+    }
 }