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-rw-r--r--include/field_weather.h139
-rw-r--r--include/gba/io_reg.h23
-rw-r--r--include/random.h (renamed from include/rng.h)7
3 files changed, 159 insertions, 10 deletions
diff --git a/include/field_weather.h b/include/field_weather.h
index b711f91d6..ed16b2bf6 100644
--- a/include/field_weather.h
+++ b/include/field_weather.h
@@ -1,15 +1,142 @@
#ifndef GUARD_WEATHER_H
#define GUARD_WEATHER_H
-void sub_807C828(void);
+#define WEATHER_NONE 0
+#define WEATHER_CLOUDS 1
+#define WEATHER_RAIN_LIGHT 3
+#define WEATHER_SNOW 4
+#define WEATHER_RAIN_MED 5
+#define WEATHER_FOG_1 6
+#define WEATHER_ASH 7
+#define WEATHER_FOG_2 9
+#define WEATHER_DROUGHT 12
+#define WEATHER_RAIN_HEAVY 13
+#define WEATHER_BUBBLES 14
+
+struct Sprite;
+
+struct Weather
+{
+ union
+ {
+ struct
+ {
+ struct Sprite *rainSprites[24];
+ struct Sprite *snowflakeSprites[101];
+ struct Sprite *cloudSprites[3];
+ } s1;
+ struct
+ {
+ u8 filler0[0xA0];
+ struct Sprite *fog1Sprites[20];
+ struct Sprite *ashSprites[20];
+ struct Sprite *fog2Sprites[20];
+ struct Sprite *sandstormSprites1[20];
+ struct Sprite *sandstormSprites2[5];
+ } s2;
+ } sprites;
+ u8 unknown_200[2][32];
+ u8 filler_240[0x460-0x240];
+ u8 unk460[2][32];
+ u8 filler4A0[0x6B6-0x4A0];
+ s8 unknown_6B6;
+ u8 filler_6B7[0xC0-0xB7];
+ s8 unknown_6C0;
+ s8 unknown_6C1;
+ u8 unknown_6C2;
+ u8 unknown_6C3;
+ u16 unknown_6C4;
+ u8 unknown_6C6;
+ u8 unknown_6C7;
+ u8 unknown_6C8;
+ u8 unknown_6C9;
+ u8 unknown_6CA;
+ u8 unknown_6CB;
+ u16 initStep;
+ u16 finishStep;
+ u8 currWeather;
+ u8 nextWeather;
+ u8 weatherGfxLoaded;
+ u8 unknown_6D3;
+ u8 unknown_6D4;
+ u8 unknown_6D5;
+ u16 unknown_6D6;
+ u8 unknown_6D8;
+ u8 unknown_6D9;
+ u8 rainSpriteCount;
+ u8 unknown_6DB;
+ u8 unknown_6DC;
+ u8 rainStrength;
+ /*0x6DE*/ u8 cloudSpritesCreated;
+ u8 filler_6DF[1];
+ u16 unknown_6E0;
+ u16 unknown_6E2;
+ u8 snowflakeSpriteCount;
+ u8 unknown_6E5;
+ u16 unknown_6E6;
+ u16 thunderCounter;
+ u8 unknown_6EA;
+ u8 unknown_6EB;
+ u8 unknown_6EC;
+ u8 unknown_6ED;
+ u16 fog1ScrollPosX;
+ u16 unknown_6F0;
+ u16 unknown_6F2;
+ u8 unknown_6F4[6];
+ u8 unknown_6FA;
+ u8 fog1SpritesCreated;
+ u16 unknown_6FC;
+ u16 unknown_6FE;
+ u8 ashSpritesCreated;
+ u8 filler_701[3];
+ u32 unknown_704;
+ u32 unknown_708;
+ u8 filler_70C[2];
+ u16 unknown_70E;
+ u16 unknown_710;
+ u16 unknown_712;
+ u16 unknown_714;
+ u8 sandstormSprites1Created;
+ u8 sandstormSprites2Created;
+ u16 unknown_718;
+ u16 unknown_71A;
+ u16 unknown_71C;
+ u16 unknown_71E;
+ u16 unknown_720;
+ u16 unknown_722;
+ u8 fog2SpritesCreated;
+ u8 filler_725[1];
+ u16 unknown_726;
+ u16 unknown_728;
+ u16 unknown_72A;
+ u16 unknown_72C;
+ u8 unknown_72E;
+ u8 filler_72F;
+ u16 currBlendEVA;
+ u16 currBlendEVB;
+ u16 targetBlendEVA;
+ u16 targetBlendEVB;
+ u8 unknown_738;
+ u8 unknown_739;
+ u8 blendDelay;
+ u8 filler_73B[0x3C-0x3B];
+ s16 unknown_73C;
+ s16 unknown_73E;
+ s16 unknown_740;
+ s16 unknown_742;
+ u8 filler_744[0xD-4];
+ s8 unknown_74D;
+ u8 unknown_74E;
+};
+
+void StartWeather(void);
void DoWeatherEffect(u8 effect);
void sub_807C988(u8 effect);
void sub_807C9B4(u8 effect);
-void sub_807C9E4(u8);
-void sub_807CA34(u8);
+void Task_WeatherInit(u8);
+void Task_WeatherMain(u8);
void sub_807CAE8(void);
void nullsub_38(void);
-u32 sub_807CB0C(void);
void sub_807CB10(void);
void sub_807CC24(void);
void sub_807CCAC(void);
@@ -30,7 +157,7 @@ void fade_screen(u8, u8);
void sub_807D78C(u8 tag);
void sub_807D874(u8);
// ...
-void sub_807DB64(u8, u8);
+void Weather_SetBlendCoeffs(u8, u8);
// ...
void sub_807DE68(void);
// ...
@@ -38,7 +165,7 @@ void PlayRainSoundEffect(void);
// ...
void SetSav1Weather(u32);
u8 GetSav1Weather(void);
-void sub_80806E4(void);
+void SetSav1WeatherFromCurrMapHeader(void);
// ...
void DoCurrentWeather(void);
void sub_8080750();
diff --git a/include/gba/io_reg.h b/include/gba/io_reg.h
index d483d4ddc..6dbe5e8ed 100644
--- a/include/gba/io_reg.h
+++ b/include/gba/io_reg.h
@@ -539,7 +539,28 @@
#define BGCNT_AFF1024x1024 0xC000
// BLDCNT
-
+// Bits 0-5 select layers for the 1st target
+#define BLDCNT_TGT1_BG0 (1 << 0)
+#define BLDCNT_TGT1_BG1 (1 << 1)
+#define BLDCNT_TGT1_BG2 (1 << 2)
+#define BLDCNT_TGT1_BG3 (1 << 3)
+#define BLDCNT_TGT1_OBJ (1 << 4)
+#define BLDCNT_TGT1_BD (1 << 5)
+// Bits 6-7 select the special effect
+#define BLDCNT_EFFECT_NONE (0 << 6) // no special effect
+#define BLDCNT_EFFECT_BLEND (1 << 6) // 1st+2nd targets mixed (controlled by BLDALPHA)
+#define BLDCNT_EFFECT_LIGHTEN (2 << 6) // 1st target becomes whiter (controlled by BLDY)
+#define BLDCNT_EFFECT_DARKEN (3 << 6) // 1st target becomes blacker (controlled by BLDY)
+// Bits 8-13 select layers for the 2nd target
+#define BLDCNT_TGT2_BG0 (1 << 8)
+#define BLDCNT_TGT2_BG1 (1 << 9)
+#define BLDCNT_TGT2_BG2 (1 << 10)
+#define BLDCNT_TGT2_BG3 (1 << 11)
+#define BLDCNT_TGT2_OBJ (1 << 12)
+#define BLDCNT_TGT2_BD (1 << 13)
+
+// BLDALPHA
+#define BLDALPHA_BLEND(target1, target2) (((target2) << 8) | (target1))
// SOUNDCNT_H
#define SOUND_CGB_MIX_QUARTER 0x0000
diff --git a/include/rng.h b/include/random.h
index dec8c6e26..a928a97b5 100644
--- a/include/rng.h
+++ b/include/random.h
@@ -1,5 +1,5 @@
-#ifndef GUARD_RNG_H
-#define GUARD_RNG_H
+#ifndef GUARD_RANDOM_H
+#define GUARD_RANDOM_H
extern u32 gRngValue;
@@ -12,4 +12,5 @@ u16 Random(void);
//Sets the initial seed value of the pseudorandom number generator
void SeedRng(u16 seed);
-#endif // GUARD_RNG_H
+#endif // GUARD_RANDOM_H
+