Sort out g_Briefing struct

src/include/gvars/gvars.h

@@ -579,7 +579,7 @@ extern u8 *g_GeCreditsData;
 extern struct objective *g_Objectives[MAX_OBJECTIVES];
 extern u32 g_ObjectiveStatuses[MAX_OBJECTIVES];
 extern struct tag *g_TagsLinkedList;
-extern struct objectivething *var8009d0b4;
+extern struct briefingobj *g_BriefingObjs;
 extern struct criteria_roomentered *g_RoomEnteredCriterias;
 extern struct criteria_multiroomentered *g_MultiroomEnteredCriterias;
 extern struct criteria_holograph *g_HolographCriterias;
@@ -641,7 +641,6 @@ extern char g_CheatMarqueeString[];
 extern u32 var8009dfbc;
 extern s32 var8009dfc0;
 extern struct briefing g_Briefing;
-extern u16 var8009dfe0[2];
 extern struct missionconfig g_MissionConfig;
 extern struct menu g_Menus[4];
 extern struct menudata g_MenuData;

src/include/types.h

@@ -1377,6 +1377,7 @@ struct briefingobj { // objtype 0x23
 	u32 unk00;
 	u32 type;
 	u32 text;
+	struct briefingobj *next;
 };
 
 struct padlockeddoorobj { // objtype 0x26
@@ -5126,8 +5127,10 @@ struct objective { // representation of setup file beginobjective macro
 };
 
 struct briefing {
-	u16 objectivenames[6]; // index 0 is the briefing, and the rest of objectives
-	u16 objectivedifficulties[6];
+	u16 briefingtextnum;
+	u16 objectivenames[6]; // index 0 is the briefing, and the rest are objectives
+	u16 objectivedifficulties[6]; // index 0 is unused
+	u16 langbank;
 };
 
 struct criteria_roomentered {
@@ -5152,13 +5155,6 @@ struct criteria_holograph {
 	struct criteria_holograph *next;
 };
 
-struct objectivething {
-	u32 unk00;
-	u32 unk04;
-	u32 name;
-	struct objectivething *next;
-};
-
 struct mppreset {
 	u16 name;
 	u32 confignum;