Decompile skySetTransitionFrac

src/include/commands.h

@@ -2193,7 +2193,13 @@
 	mkshort(0x00f1), \
 	label,
 
-#define cmd00f2 \
+/**
+ * Switch to the stage's alternative sky/fog settings. The switch is instant.
+ *
+ * The stage must use a type 1 sky (in the g_SkiesType1 table) and the
+ * alternative sky must be placed immediately after it.
+ */
+#define switch_to_alt_sky \
 	mkshort(0x00f2),
 
 /**

src/include/game/chr/chraicommands.h

@@ -243,7 +243,7 @@
 /*0x00ef*/ bool aiIfObjInRoom(void);
 /*0x00f0*/ bool ai00f0(void);
 /*0x00f1*/ bool aiIfAttacking(void);
-/*0x00f2*/ bool ai00f2(void);
+/*0x00f2*/ bool aiSwitchToAltSky(void);
 /*0x00f3*/ bool aiChrSetInvincible(void);
 /*0x00f4*/ bool ai00f4(void);
 /*0x00f5*/ bool ai00f5(void);

src/include/game/game_1657c0.h

@@ -7,11 +7,11 @@
 struct var80081058 *func0f1657cc(void);
 f32 func0f1657e4(void);
 void func0f1657f8(void);
-void func0f16598c(struct smallsky *sky);
-void func0f165c4c(struct sky *sky);
+void skyApplyType1(struct skytype1 *sky);
+void skyApplyType2(struct skytype2 *sky);
 void skySetStageNum(s32 stagenum);
-void func0f165eec(s32 stagenum, bool arg1);
-void func0f1660a4(f32 arg0);
+void skyChooseAndApply(s32 stagenum, bool arg1);
+void skySetTransitionFrac(f32 arg0);
 Gfx *func0f1664a0(Gfx *gdl, bool arg1);
 Gfx *gfxConsiderDisableFog(Gfx *gdl);
 bool func0f1666f8(struct coord *pos, f32 arg1);

src/include/types.h

@@ -3296,7 +3296,7 @@ struct sun {
 	u16 orb_size;
 };
 
-struct smallsky {
+struct skytype1 {
 	/*0x00*/ s16 stage;
 	/*0x02*/ s16 near;
 	/*0x04*/ s16 far;
@@ -3326,7 +3326,7 @@ struct smallsky {
 	/*0x28*/ u8 unk28;
 };
 
-struct sky {
+struct skytype2 {
 	/*0x00*/ s32 stage;
 	/*0x04*/ s16 near;
 	/*0x06*/ s16 far;