d_kankyo_data and d_kankyo work (#158)

* Copy over progress

* Comment other d_kankyo_data dat section stuff

* Compiling

* Progress

* Progress

* Close

* Match

* Clean

* Change loop

* Clean

* Clean

* Before attempt clean

* Work on dKy_F_SP121Check, not compiling

* Adjust comparisons

* Adjust headers

* Close

* Matching

* Remove

* Comments

* Fix u8 pointer

* Comment

* Adjust

* Comment stage names

* Rename member

* Decomp dKy_darkworld_spot_check

* Decomp dKy_darkworld_Area_set

* Adjust

* Comments, small adjust

* Add phase1 base txt

* Working through d_s_play phase_1

* Finish function outline

* Comments

* Add darkLv enum

* Rename enum

* Refactor

* Comment

* Documentation

* Move out notes

* Comments

* Adjust

* Rename structs

* Comments

* Minor adjust

* Comment

* Adjust and Comments

* Adjust

* Adjust

* Comment

* Clean

* Add back addresses

* Adjust comment

* Adjust comments

* Comments

* Comment

* Adjust for clang-format-10

* Edit getName

* Fix fog table

* Make l_field_data use placeholder struct

* Make l_envr_default use placeholder struct

* Make l_vr_box_data use placeholder struct

* Make l_pselect_default use placeholder struct

src/d/d_item.cpp

@@ -2588,7 +2588,7 @@ u8 check_itemno(int i_itemId) {
 
             if (g_dComIfG_gameInfo.play.getLayerNo(0) == 0xD ||
                 g_dComIfG_gameInfo.play.getLayerNo(0) == 0xE) {
-                char* tmp = dComIfGp_getStartStageName();
+                const char* tmp = dComIfGp_getStartStageName();
                 // D_MN08: Palace of Twilight
                 if (strncmp(tmp, "D_MN08", 6)) {
                     return GREEN_RUPEE;