Attempt to decompile weatherRenderRain

src/include/bss.h

@@ -199,7 +199,7 @@ extern u16 *g_SpecialCoverNums;
 extern struct pak g_Paks[5];
 extern OSPfs g_Pfses[4];
 extern u32 var800a33a0;
-extern u32 var800a33a4;
+extern s32 var800a33a4;
 extern struct explosion *g_Explosions;
 extern s32 g_MaxExplosions;
 extern struct smoke *g_Smokes;

src/include/game/bg.h

@@ -64,7 +64,7 @@ Gfx *bgRenderRoomOpaque(Gfx *gdl, s32 roomnum);
 Gfx *bgRenderRoomAlpha(Gfx *gdl, s32 roomnum);
 u32 func0f15ecd8(void);
 void func0f15ef9c(s32 roomnum);
-u32 func0f15f20c(void);
+bool func0f15f20c(struct coord *arg0, struct coord *arg1, s32 *arg2, s32 *arg3);
 u32 func0f15f2b0(void);
 u32 func0f15f560(void);
 u32 func0f15ffdc(void);

src/include/gbiex.h

@@ -85,6 +85,9 @@
 			| _SHIFTL(x1, 0, 4));        \
 }
 
+#define gDPTri3(pkt, x1, y1, z1, x2, y2, z2, x3, y3, z3) \
+	gDPTri4(pkt, x1, y1, z1, x2, y2, z2, x3, y3, z3, 0, 0, 0)
+
 #define gDPTri2(pkt, x1, y1, z1, x2, y2, z2) \
 	gDPTri4(pkt, x1, y1, z1, x2, y2, z2, 0, 0, 0, 0, 0, 0)
 

src/include/types.h

@@ -5166,10 +5166,10 @@ struct weatherdata {
 	/*0x8c*/ f32 unk8c;
 	/*0x90*/ s32 unk90;
 	/*0x94*/ s32 unk94;
-	/*0x98*/ u32 unk98;
-	/*0x9c*/ u32 unk9c;
-	/*0xa0*/ u32 unka0;
-	/*0xa4*/ u32 unka4;
+	/*0x98*/ s32 unk98;
+	/*0x9c*/ s32 unk9c;
+	/*0xa0*/ s32 unka0;
+	/*0xa4*/ s32 unka4;
 	/*0xa8*/ u32 unka8;
 	/*0xac*/ u32 unkac;
 	/*0xb0*/ u32 unkb0;