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-rw-r--r--src/field_weather_effects.c2381
1 files changed, 2381 insertions, 0 deletions
diff --git a/src/field_weather_effects.c b/src/field_weather_effects.c
new file mode 100644
index 000000000..386925531
--- /dev/null
+++ b/src/field_weather_effects.c
@@ -0,0 +1,2381 @@
+#include "global.h"
+#include "event_object_movement.h"
+#include "field_weather.h"
+#include "overworld.h"
+#include "random.h"
+#include "script.h"
+#include "constants/weather.h"
+#include "constants/songs.h"
+#include "sound.h"
+#include "sprite.h"
+#include "task.h"
+#include "trig.h"
+
+extern struct Weather *const gWeatherPtr;
+
+const u16 gUnknown_08397108[] = INCBIN_U16("graphics/weather/1.gbapal");
+const u16 gUnknown_08397128[] = INCBIN_U16("graphics/weather/2.gbapal");
+const u8 gWeatherFog2Tiles[] = INCBIN_U8("graphics/weather/fog2.4bpp");
+const u8 gWeatherFog1Tiles[] = INCBIN_U8("graphics/weather/fog1.4bpp");
+const u8 gWeatherCloudTiles[] = INCBIN_U8("graphics/weather/cloud.4bpp");
+const u8 gWeatherSnow1Tiles[] = INCBIN_U8("graphics/weather/snow0.4bpp");
+const u8 gWeatherSnow2Tiles[] = INCBIN_U8("graphics/weather/snow1.4bpp");
+const u8 gWeatherBubbleTiles[] = INCBIN_U8("graphics/weather/bubble.4bpp");
+const u8 gWeatherAshTiles[] = INCBIN_U8("graphics/weather/ash.4bpp");
+const u8 gWeatherRainTiles[] = INCBIN_U8("graphics/weather/rain.4bpp");
+const u8 gWeatherSandstormTiles[] = INCBIN_U8("graphics/weather/sandstorm.4bpp");
+
+static const struct Coords16 gUnknown_0839A9C8[] =
+{
+ { 0, 66},
+ { 5, 73},
+ {10, 78},
+};
+
+static const struct SpriteSheet sCloudSpriteSheet = {gWeatherCloudTiles, sizeof(gWeatherCloudTiles), 0x1200};
+
+static const struct OamData gOamData_839A9DC =
+{
+ .y = 0,
+ .affineMode = 0,
+ .objMode = 1,
+ .mosaic = 0,
+ .bpp = 0,
+ .shape = 0,
+ .x = 0,
+ .matrixNum = 0,
+ .size = 3,
+ .tileNum = 0,
+ .priority = 3,
+ .paletteNum = 0,
+ .affineParam = 0,
+};
+
+static const union AnimCmd gSpriteAnim_839A9E4[] =
+{
+ ANIMCMD_FRAME(0, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd *const gSpriteAnimTable_839A9EC[] =
+{
+ gSpriteAnim_839A9E4,
+};
+
+void sub_807E0F4(struct Sprite *);
+static const struct SpriteTemplate sCloudSpriteTemplate =
+{
+ .tileTag = 4608,
+ .paletteTag = 4609,
+ .oam = &gOamData_839A9DC,
+ .anims = gSpriteAnimTable_839A9EC,
+ .images = NULL,
+ .affineAnims = gDummySpriteAffineAnimTable,
+ .callback = sub_807E0F4,
+};
+
+extern void sub_807D5BC(s8 gammaIndex);
+extern void sub_807DA14(void);
+extern void sub_807DA4C(void);
+extern void Weather_SetTargetBlendCoeffs(u8 a, u8 b, int c);
+extern bool8 Weather_UpdateBlend(void);
+extern void SetRainStrengthFromSoundEffect(u16 sndEff);
+extern void sub_807D5F0(u8 a, u8 b, u8 c);
+
+//------------------------------------------------------------------------------
+// Clouds
+//------------------------------------------------------------------------------
+
+void Clouds_InitVars(void)
+{
+ gWeatherPtr->gammaTargetIndex = 0;
+ gWeatherPtr->gammaStepDelay = 20;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->initStep = 0;
+ if (gWeatherPtr->cloudSpritesCreated == FALSE)
+ Weather_SetBlendCoeffs(0, 16);
+}
+
+void Clouds_Main(void);
+
+void Clouds_InitAll(void)
+{
+ Clouds_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Clouds_Main();
+}
+
+void CreateCloudSprites(void);
+
+void Clouds_Main(void)
+{
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ CreateCloudSprites();
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ Weather_SetTargetBlendCoeffs(12, 8, 1);
+ gWeatherPtr->initStep++;
+ break;
+ case 2:
+ if (Weather_UpdateBlend())
+ {
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ }
+ break;
+ }
+}
+
+void sub_807E0A0(void);
+
+bool8 Clouds_Finish(void)
+{
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ Weather_SetTargetBlendCoeffs(0, 16, 1);
+ gWeatherPtr->finishStep++;
+ return TRUE;
+ case 1:
+ if (Weather_UpdateBlend())
+ {
+ sub_807E0A0();
+ gWeatherPtr->finishStep++;
+ }
+ return TRUE;
+ }
+ return FALSE;
+}
+
+//------------------------------------------------------------------------------
+// Weather 2
+//------------------------------------------------------------------------------
+
+void Weather2_InitVars(void)
+{
+ gWeatherPtr->gammaTargetIndex = 0;
+ gWeatherPtr->gammaStepDelay = 20;
+}
+
+void Weather2_InitAll(void)
+{
+ Weather2_InitVars();
+}
+
+void Weather2_Main(void)
+{
+}
+
+int Weather2_Finish(void)
+{
+ return 0;
+}
+
+void CreateCloudSprites(void)
+{
+ u16 i;
+
+ if (gWeatherPtr->cloudSpritesCreated == TRUE)
+ return;
+ LoadSpriteSheet(&sCloudSpriteSheet);
+ LoadCustomWeatherSpritePalette(gUnknown_08397108);
+ for (i = 0; i < 3; i++)
+ {
+ u8 spriteId = CreateSprite(&sCloudSpriteTemplate, 0, 0, 0xFF);
+
+ if (spriteId != 64)
+ {
+ struct Sprite *sprite;
+
+ gWeatherPtr->sprites.s1.cloudSprites[i] = &gSprites[spriteId];
+ sprite = gWeatherPtr->sprites.s1.cloudSprites[i];
+ sub_80603CC(gUnknown_0839A9C8[i].x + 7, gUnknown_0839A9C8[i].y + 7, &sprite->pos1.x, &sprite->pos1.y);
+ sprite->coordOffsetEnabled = TRUE;
+ }
+ else
+ {
+ gWeatherPtr->sprites.s1.cloudSprites[i] = NULL;
+ }
+ }
+ gWeatherPtr->cloudSpritesCreated = TRUE;
+}
+
+void sub_807E0A0(void)
+{
+ u16 i;
+
+ if (gWeatherPtr->cloudSpritesCreated == FALSE)
+ return;
+ for (i = 0; i < 3; i++)
+ {
+ if (gWeatherPtr->sprites.s1.cloudSprites[i] != NULL)
+ DestroySprite(gWeatherPtr->sprites.s1.cloudSprites[i]);
+ }
+ FreeSpriteTilesByTag(0x1200);
+ gWeatherPtr->cloudSpritesCreated = FALSE;
+}
+
+void sub_807E0F4(struct Sprite *sprite)
+{
+ sprite->data[0] = (sprite->data[0] + 1) & 1;
+ if (sprite->data[0] != 0)
+ sprite->pos1.x--;
+}
+
+//------------------------------------------------------------------------------
+// Drought
+//------------------------------------------------------------------------------
+
+void Drought_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->gammaTargetIndex = 0;
+ gWeatherPtr->gammaStepDelay = 0;
+}
+
+void Drought_Main(void);
+
+void Drought_InitAll(void)
+{
+ Drought_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Drought_Main();
+}
+
+void Drought_Main(void)
+{
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ if (gWeatherPtr->palProcessingState != WEATHER_PAL_STATE_CHANGING_WEATHER)
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ ResetDroughtWeatherPaletteLoading();
+ gWeatherPtr->initStep++;
+ break;
+ case 2:
+ if (LoadDroughtWeatherPalettes() == FALSE)
+ gWeatherPtr->initStep++;
+ break;
+ case 3:
+ sub_807DA14();
+ gWeatherPtr->initStep++;
+ break;
+ case 4:
+ sub_807DA4C();
+ if (gWeatherPtr->unknown_73C == 6)
+ {
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ }
+ break;
+ default:
+ sub_807DA4C();
+ break;
+ }
+}
+
+int Drought_Finish(void)
+{
+ return 0;
+}
+
+void task50_0807B6D4(u8);
+
+void sub_807E25C(void)
+{
+ CreateTask(task50_0807B6D4, 0x50);
+}
+
+#define tState data[0]
+#define tBlendY data[1]
+#define tBlendDelay data[2]
+#define tWinRange data[3]
+
+void task50_0807B6D4(u8 taskId)
+{
+ struct Task *task = &gTasks[taskId];
+
+ switch (task->tState)
+ {
+ case 0:
+ task->tBlendY = 0;
+ task->tBlendDelay = 0;
+ task->tWinRange = REG_WININ;
+ REG_WININ = WIN_RANGE(63, 63);
+ REG_BLDCNT = BLDCNT_TGT1_BG1 | BLDCNT_TGT1_BG2 | BLDCNT_TGT1_BG3 | BLDCNT_TGT1_OBJ
+ | BLDCNT_EFFECT_LIGHTEN;
+ REG_BLDY = 0;
+ task->tState++;
+ // fall through
+ case 1:
+ task->tBlendY += 3;
+ if (task->tBlendY > 16)
+ task->tBlendY = 16;
+ REG_BLDY = task->tBlendY;
+ if (task->tBlendY >= 16)
+ task->tState++;
+ break;
+ case 2:
+ task->tBlendDelay++;
+ if (task->tBlendDelay > 9)
+ {
+ task->tBlendDelay = 0;
+ task->tBlendY--;
+ if (task->tBlendY <= 0)
+ {
+ task->tBlendY = 0;
+ task->tState++;
+ }
+ REG_BLDY = task->tBlendY;
+ }
+ break;
+ case 3:
+ REG_BLDCNT = 0;
+ REG_BLDY = 0;
+ REG_WININ = task->tWinRange;
+ task->tState++;
+ break;
+ case 4:
+ EnableBothScriptContexts();
+ DestroyTask(taskId);
+ break;
+ }
+}
+
+#undef tState
+#undef tBlendY
+#undef tBlendDelay
+#undef tWinRange
+
+//------------------------------------------------------------------------------
+// Light Rain
+//------------------------------------------------------------------------------
+
+void LightRain_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->unknown_6D6 = 0;
+ gWeatherPtr->unknown_6DB = 8;
+ gWeatherPtr->unknown_6DC = 0;
+ gWeatherPtr->unknown_6D9 = 10;
+ gWeatherPtr->gammaTargetIndex = 3;
+ gWeatherPtr->gammaStepDelay = 20;
+ SetRainStrengthFromSoundEffect(SE_T_KOAME);
+}
+
+void LightRain_Main(void);
+
+void LightRain_InitAll(void)
+{
+ LightRain_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ LightRain_Main();
+}
+
+void LoadRainSpriteSheet(void);
+u8 CreateRainSprite(void);
+u8 sub_807E8E8(void);
+
+void LightRain_Main(void)
+{
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ LoadRainSpriteSheet();
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ if (CreateRainSprite() == 0)
+ gWeatherPtr->initStep++;
+ break;
+ case 2:
+ if (sub_807E8E8() == FALSE)
+ {
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ }
+ break;
+ }
+}
+
+void DestroyRainSprites(void);
+
+bool8 LightRain_Finish(void)
+{
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ if (gWeatherPtr->nextWeather == WEATHER_RAIN_LIGHT
+ || gWeatherPtr->nextWeather == WEATHER_RAIN_MED
+ || gWeatherPtr->nextWeather == WEATHER_RAIN_HEAVY)
+ {
+ gWeatherPtr->finishStep = 0xFF;
+ return FALSE;
+ }
+ else
+ {
+ gWeatherPtr->unknown_6D9 = 0;
+ gWeatherPtr->finishStep++;
+ }
+ // fall through
+ case 1:
+ if (sub_807E8E8() == FALSE)
+ {
+ DestroyRainSprites();
+ gWeatherPtr->finishStep++;
+ return FALSE;
+ }
+ return TRUE;
+ }
+ return FALSE;
+}
+
+// defined below
+extern const s16 gUnknown_0839AABC[][2];
+extern const u16 gUnknown_0839AAC4[][2];
+
+void sub_807E4EC(struct Sprite *sprite)
+{
+ u32 randVal;
+ u16 r6;
+ s32 r4;
+ s32 r0;
+
+ if (sprite->data[1] == 0)
+ sprite->data[1] = 361;
+ randVal = sprite->data[1] * 1103515245 + 12345;
+ sprite->data[1] = ((randVal & 0x7FFF0000) >> 16) % 600;
+
+ r6 = gUnknown_0839AAC4[gWeatherPtr->unknown_6DC][0];
+
+ r4 = sprite->data[1] % 30;
+ sprite->data[2] = r4 * 8; // useless assignment
+
+ r0 = sprite->data[1] / 30;
+ sprite->data[3] = r0 * 8; // useless assignment
+
+ sprite->data[2] = r4;
+ sprite->data[2] <<= 7;
+
+ sprite->data[3] = r0;
+ sprite->data[3] <<= 7;
+
+ sprite->data[2] -= gUnknown_0839AABC[gWeatherPtr->unknown_6DC][0] * r6;
+ sprite->data[3] -= gUnknown_0839AABC[gWeatherPtr->unknown_6DC][1] * r6;
+
+ StartSpriteAnim(sprite, 0);
+ sprite->data[4] = 0;
+ sprite->coordOffsetEnabled = FALSE;
+ sprite->data[0] = r6;
+}
+
+void sub_807E5C0(struct Sprite *sprite)
+{
+ if (sprite->data[4] == 0)
+ {
+ sprite->data[2] += gUnknown_0839AABC[gWeatherPtr->unknown_6DC][0];
+ sprite->data[3] += gUnknown_0839AABC[gWeatherPtr->unknown_6DC][1];
+ sprite->pos1.x = sprite->data[2] >> 4;
+ sprite->pos1.y = sprite->data[3] >> 4;
+
+ if (sprite->data[5] != 0
+ && (sprite->pos1.x >= -8 && sprite->pos1.x <= 248)
+ && sprite->pos1.y >= -16 && sprite->pos1.y <= 176)
+ sprite->invisible = FALSE;
+ else
+ sprite->invisible = TRUE;
+
+ sprite->data[0]--;
+ if (sprite->data[0] == 0)
+ {
+ StartSpriteAnim(sprite, gWeatherPtr->unknown_6DC + 1);
+ sprite->data[4] = 1;
+ sprite->pos1.x -= gSpriteCoordOffsetX;
+ sprite->pos1.y -= gSpriteCoordOffsetY;
+ sprite->coordOffsetEnabled = TRUE;
+ }
+ }
+ else if (sprite->animEnded)
+ {
+ sprite->invisible = TRUE;
+ sub_807E4EC(sprite);
+ }
+}
+
+void sub_807E6C4(struct Sprite *sprite)
+{
+ if (sprite->data[0] == 0)
+ {
+ sub_807E4EC(sprite);
+ sprite->callback = sub_807E5C0;
+ }
+ else
+ {
+ sprite->data[0]--;
+ }
+}
+
+void sub_807E6F0(struct Sprite *sprite, u16 b)
+{
+ u16 r8 = gUnknown_0839AAC4[gWeatherPtr->unknown_6DC][0];
+ u16 r6 = b / (gUnknown_0839AAC4[gWeatherPtr->unknown_6DC][1] + r8);
+ u16 r4 = b % (gUnknown_0839AAC4[gWeatherPtr->unknown_6DC][1] + r8);
+
+ while (--r6 != 0xFFFF)
+ sub_807E4EC(sprite);
+ if (r4 < r8)
+ {
+ while (--r4 != 0xFFFF)
+ sub_807E5C0(sprite);
+ sprite->data[6] = 0;
+ }
+ else
+ {
+ sprite->data[0] = r4 - r8;
+ sprite->invisible = TRUE;
+ sprite->data[6] = 1;
+ }
+}
+
+extern const struct SpriteSheet sRainSpriteSheet; // defined below
+
+void LoadRainSpriteSheet(void)
+{
+ LoadSpriteSheet(&sRainSpriteSheet);
+}
+
+static const struct Coords16 sRainSpriteCoords[] =
+{
+ { 0, 0},
+ { 0, 160},
+ { 0, 64},
+ {144, 224},
+ {144, 128},
+ { 32, 32},
+ { 32, 192},
+ { 32, 96},
+ { 72, 128},
+ { 72, 32},
+ { 72, 192},
+ {216, 96},
+ {216, 0},
+ {104, 160},
+ {104, 64},
+ {104, 224},
+ {144, 0},
+ {144, 160},
+ {144, 64},
+ { 32, 224},
+ { 32, 128},
+ { 72, 32},
+ { 72, 192},
+ { 48, 96},
+};
+
+static const struct OamData gOamData_839AA68 =
+{
+ .y = 0,
+ .affineMode = 0,
+ .objMode = 0,
+ .mosaic = 0,
+ .bpp = 0,
+ .shape = 2,
+ .x = 0,
+ .matrixNum = 0,
+ .size = 2,
+ .tileNum = 0,
+ .priority = 1,
+ .paletteNum = 2,
+ .affineParam = 0,
+};
+
+static const union AnimCmd gSpriteAnim_839AA70[] =
+{
+ ANIMCMD_FRAME(0, 16),
+ ANIMCMD_JUMP(0),
+};
+
+static const union AnimCmd gSpriteAnim_839AA78[] =
+{
+ ANIMCMD_FRAME(8, 3),
+ ANIMCMD_FRAME(32, 2),
+ ANIMCMD_FRAME(40, 2),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd gSpriteAnim_839AA88[] =
+{
+ ANIMCMD_FRAME(8, 3),
+ ANIMCMD_FRAME(16, 3),
+ ANIMCMD_FRAME(24, 4),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd *const gSpriteAnimTable_839AA98[] =
+{
+ gSpriteAnim_839AA70,
+ gSpriteAnim_839AA78,
+ gSpriteAnim_839AA88,
+};
+
+static const struct SpriteTemplate sRainSpriteTemplate =
+{
+ .tileTag = 4614,
+ .paletteTag = 4608,
+ .oam = &gOamData_839AA68,
+ .anims = gSpriteAnimTable_839AA98,
+ .images = NULL,
+ .affineAnims = gDummySpriteAffineAnimTable,
+ .callback = sub_807E5C0,
+};
+
+
+const s16 gUnknown_0839AABC[][2] =
+{
+ {-104, 208},
+ {-160, 320},
+};
+
+const u16 gUnknown_0839AAC4[][2] =
+{
+ {18, 7},
+ {12, 10},
+};
+
+static const struct SpriteSheet sRainSpriteSheet = {gWeatherRainTiles, sizeof(gWeatherRainTiles), 0x1206};
+
+static const struct OamData gOamData_839AAD4 =
+{
+ .y = 0,
+ .affineMode = 0,
+ .objMode = 0,
+ .mosaic = 0,
+ .bpp = 0,
+ .shape = 0,
+ .x = 0,
+ .matrixNum = 0,
+ .size = 0,
+ .tileNum = 0,
+ .priority = 1,
+ .paletteNum = 0,
+ .affineParam = 0,
+};
+
+static const struct SpriteFrameImage gSpriteImageTable_839AADC[] =
+{
+ {gWeatherSnow1Tiles, sizeof(gWeatherSnow1Tiles)},
+ {gWeatherSnow2Tiles, sizeof(gWeatherSnow2Tiles)},
+};
+
+static const union AnimCmd gSpriteAnim_839AAEC[] =
+{
+ ANIMCMD_FRAME(0, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd gSpriteAnim_839AAF4[] =
+{
+ ANIMCMD_FRAME(1, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd *const gSpriteAnimTable_839AAFC[] =
+{
+ gSpriteAnim_839AAEC,
+ gSpriteAnim_839AAF4,
+};
+
+void sub_807ED48(struct Sprite *);
+static const struct SpriteTemplate sSnowflakeSpriteTemplate =
+{
+ .tileTag = 0xFFFF,
+ .paletteTag = 4608,
+ .oam = &gOamData_839AAD4,
+ .anims = gSpriteAnimTable_839AAFC,
+ .images = gSpriteImageTable_839AADC,
+ .affineAnims = gDummySpriteAffineAnimTable,
+ .callback = sub_807ED48,
+};
+
+// unused data
+static const u16 unusedData_839AB1C[] = {0, 6, 6, 12, 18, 42, 300, 300};
+
+static const struct OamData gOamData_839AB2C =
+{
+ .y = 0,
+ .affineMode = 0,
+ .objMode = 1,
+ .mosaic = 0,
+ .bpp = 0,
+ .shape = 0,
+ .x = 0,
+ .matrixNum = 0,
+ .size = 3,
+ .tileNum = 0,
+ .priority = 2,
+ .paletteNum = 0,
+ .affineParam = 0,
+};
+
+static const union AnimCmd gSpriteAnim_839AB34[] =
+{
+ ANIMCMD_FRAME(0, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd gSpriteAnim_839AB3C[] =
+{
+ ANIMCMD_FRAME(32, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd gSpriteAnim_839AB44[] =
+{
+ ANIMCMD_FRAME(64, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd gSpriteAnim_839AB4C[] =
+{
+ ANIMCMD_FRAME(96, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd gSpriteAnim_839AB54[] =
+{
+ ANIMCMD_FRAME(128, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd gSpriteAnim_839AB5C[] =
+{
+ ANIMCMD_FRAME(160, 16),
+ ANIMCMD_END,
+};
+
+static const union AnimCmd *const gSpriteAnimTable_839AB64[] =
+{
+ gSpriteAnim_839AB34,
+ gSpriteAnim_839AB3C,
+ gSpriteAnim_839AB44,
+ gSpriteAnim_839AB4C,
+ gSpriteAnim_839AB54,
+ gSpriteAnim_839AB5C,
+};
+
+static const union AffineAnimCmd gSpriteAffineAnim_839AB7C[] =
+{
+ AFFINEANIMCMD_FRAME(0x200, 0x200, 0, 0),
+ AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd *const gSpriteAffineAnimTable_839AB8C[] =
+{
+ gSpriteAffineAnim_839AB7C,
+};
+
+static void Fog1SpriteCallback(struct Sprite *);
+static const struct SpriteTemplate sFog1SpriteTemplate =
+{
+ .tileTag = 4609,
+ .paletteTag = 4608,
+ .oam = &gOamData_839AB2C,
+ .anims = gSpriteAnimTable_839AB64,
+ .images = NULL,
+ .affineAnims = gSpriteAffineAnimTable_839AB8C,
+ .callback = Fog1SpriteCallback,
+};
+
+bool8 CreateRainSprite(void)
+{
+ u8 spriteNum;
+ u8 spriteId;
+
+ if (gWeatherPtr->rainSpriteCount == 24)
+ return FALSE;
+
+ spriteNum = gWeatherPtr->rainSpriteCount;
+ spriteId = CreateSpriteAtEnd(&sRainSpriteTemplate,
+ sRainSpriteCoords[spriteNum].x, sRainSpriteCoords[spriteNum].y, 78);
+ if (spriteId != 64)
+ {
+ gSprites[spriteId].data[5] = 0;
+ gSprites[spriteId].data[1] = spriteNum * 145;
+ while (gSprites[spriteId].data[1] >= 600)
+ gSprites[spriteId].data[1] -= 600;
+ sub_807E4EC(&gSprites[spriteId]);
+ sub_807E6F0(&gSprites[spriteId], spriteNum * 9);
+ gSprites[spriteId].invisible = TRUE;
+ gWeatherPtr->sprites.s1.rainSprites[spriteNum] = &gSprites[spriteId];
+ }
+ else
+ {
+ gWeatherPtr->sprites.s1.rainSprites[spriteNum] = NULL;
+ }
+
+ if (++gWeatherPtr->rainSpriteCount == 24)
+ {
+ u16 i;
+
+ for (i = 0; i < 24; i++)
+ {
+ if (gWeatherPtr->sprites.s1.rainSprites[i] != NULL)
+ {
+ if (gWeatherPtr->sprites.s1.rainSprites[i]->data[6] == 0)
+ gWeatherPtr->sprites.s1.rainSprites[i]->callback = sub_807E5C0;
+ else
+ gWeatherPtr->sprites.s1.rainSprites[i]->callback = sub_807E6C4;
+ }
+ }
+ return FALSE;
+ }
+ return TRUE;
+}
+
+bool8 sub_807E8E8(void)
+{
+ if (gWeatherPtr->unknown_6D8 == gWeatherPtr->unknown_6D9)
+ return FALSE;
+
+ if (++gWeatherPtr->unknown_6D6 > gWeatherPtr->unknown_6DB)
+ {
+ gWeatherPtr->unknown_6D6 = 0;
+ if (gWeatherPtr->unknown_6D8 < gWeatherPtr->unknown_6D9)
+ {
+ gWeatherPtr->sprites.s1.rainSprites[gWeatherPtr->unknown_6D8++]->data[5] = 1;
+ }
+ else
+ {
+ gWeatherPtr->unknown_6D8--;
+ gWeatherPtr->sprites.s1.rainSprites[gWeatherPtr->unknown_6D8]->data[5] = 0;
+ gWeatherPtr->sprites.s1.rainSprites[gWeatherPtr->unknown_6D8]->invisible = TRUE;
+ }
+ }
+ return TRUE;
+}
+
+void DestroyRainSprites(void)
+{
+ u16 i;
+
+ for (i = 0; i < gWeatherPtr->rainSpriteCount; i++)
+ {
+ if (gWeatherPtr->sprites.s1.rainSprites[i] != NULL)
+ DestroySprite(gWeatherPtr->sprites.s1.rainSprites[i]);
+ }
+ gWeatherPtr->rainSpriteCount = 0;
+ FreeSpriteTilesByTag(0x1206);
+}
+
+//------------------------------------------------------------------------------
+// Snow
+//------------------------------------------------------------------------------
+
+void Snow_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->gammaTargetIndex = 3;
+ gWeatherPtr->gammaStepDelay = 20;
+ gWeatherPtr->unknown_6E5 = 16;
+ gWeatherPtr->unknown_6E0 = 0;
+}
+
+void Snow_Main(void);
+void sub_807ED48(struct Sprite *);
+
+void Snow_InitAll(void)
+{
+ Snow_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ {
+ u16 i;
+
+ Snow_Main();
+ for (i = 0; i < gWeatherPtr->snowflakeSpriteCount; i++)
+ {
+ sub_807ED48(gWeatherPtr->sprites.s1.snowflakeSprites[i]);
+ }
+ }
+}
+
+u8 snowflakes_progress(void);
+
+void Snow_Main(void)
+{
+ if (gWeatherPtr->initStep == 0 && snowflakes_progress() == FALSE)
+ {
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ }
+}
+
+bool8 Snow_Finish(void)
+{
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ gWeatherPtr->unknown_6E5 = 0;
+ gWeatherPtr->unknown_6E0 = 0;
+ gWeatherPtr->finishStep++;
+ // fall through
+ case 1:
+ if (snowflakes_progress() == FALSE)
+ {
+ gWeatherPtr->finishStep++;
+ return FALSE;
+ }
+ return TRUE;
+ }
+ return FALSE;
+}
+
+bool8 CreateSnowflakeSprite(void);
+bool8 RemoveSnowflakeSprite(void);
+
+bool8 snowflakes_progress(void)
+{
+ if (gWeatherPtr->snowflakeSpriteCount == gWeatherPtr->unknown_6E5)
+ return FALSE;
+
+ gWeatherPtr->unknown_6E0++;
+ if (gWeatherPtr->unknown_6E0 > 36)
+ {
+ gWeatherPtr->unknown_6E0 = 0;
+ if (gWeatherPtr->snowflakeSpriteCount < gWeatherPtr->unknown_6E5)
+ CreateSnowflakeSprite();
+ else
+ RemoveSnowflakeSprite();
+ }
+ return (gWeatherPtr->snowflakeSpriteCount != gWeatherPtr->unknown_6E5);
+}
+
+void sub_807EC40(struct Sprite *);
+
+bool8 CreateSnowflakeSprite(void)
+{
+ u8 spriteId = CreateSpriteAtEnd(&sSnowflakeSpriteTemplate, 0, 0, 78);
+
+ if (spriteId == 64)
+ return FALSE;
+ gSprites[spriteId].data[4] = gWeatherPtr->snowflakeSpriteCount;
+ sub_807EC40(&gSprites[spriteId]);
+ gSprites[spriteId].coordOffsetEnabled = TRUE;
+ gWeatherPtr->sprites.s1.snowflakeSprites[gWeatherPtr->snowflakeSpriteCount++] = &gSprites[spriteId];
+ return TRUE;
+}
+
+bool8 RemoveSnowflakeSprite(void)
+{
+ if (gWeatherPtr->snowflakeSpriteCount != 0)
+ {
+ DestroySprite(gWeatherPtr->sprites.s1.snowflakeSprites[--gWeatherPtr->snowflakeSpriteCount]);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+void sub_807EC40(struct Sprite *sprite)
+{
+ u16 r4 = ((sprite->data[4] * 5) & 7) * 30 + (Random() % 30);
+ u16 r6;
+
+ sprite->pos1.y = -3 - (gSpriteCoordOffsetY + sprite->centerToCornerVecY);
+ sprite->pos1.x = r4 - (gSpriteCoordOffsetX + sprite->centerToCornerVecX);
+ sprite->data[0] = sprite->pos1.y * 128;
+ sprite->pos2.x = 0;
+ r6 = Random();
+ sprite->data[1] = (r6 & 3) * 5 + 64;
+ sprite->data[7] = (r6 & 3) * 5 + 64;
+ StartSpriteAnim(sprite, (r6 & 1) ? 0 : 1);
+ sprite->data[3] = 0;
+ sprite->data[2] = ((r6 & 3) == 0) ? 2 : 1;
+ sprite->data[6] = (r6 & 0x1F) + 210;
+ sprite->data[5] = 0;
+}
+
+void sub_807ECEC(struct Sprite *sprite)
+{
+ if (gWeatherPtr->unknown_6E2 > 18)
+ {
+ sprite->invisible = FALSE;
+ sprite->callback = sub_807ED48;
+ sprite->pos1.y = 0xFA - (gSpriteCoordOffsetY + sprite->centerToCornerVecY);
+ sprite->data[0] = sprite->pos1.y * 128;
+ gWeatherPtr->unknown_6E2 = 0;
+ }
+}
+
+void sub_807ED48(struct Sprite *sprite)
+{
+ s16 r3;
+ s16 r2;
+
+ sprite->data[0] += sprite->data[1];
+ sprite->pos1.y = sprite->data[0] >> 7;
+ sprite->data[3] = (sprite->data[3] + sprite->data[2]) & 0xFF;
+ sprite->pos2.x = gSineTable[sprite->data[3]] / 64;
+
+ r3 = (sprite->pos1.x + sprite->centerToCornerVecX + gSpriteCoordOffsetX) & 0x1FF;
+ if (r3 & 0x100)
+ r3 = -0x100 | r3; // hmm... what is this?
+ if (r3 < -3)
+ sprite->pos1.x = 242 - (gSpriteCoordOffsetX + sprite->centerToCornerVecX);
+ else if (r3 > 242)
+ sprite->pos1.x = -3 - (gSpriteCoordOffsetX + sprite->centerToCornerVecX);
+
+ r2 = (sprite->pos1.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY) & 0xFF;
+ if (r2 > 163 && r2 < 171)
+ {
+ sprite->pos1.y = 250 - (gSpriteCoordOffsetY + sprite->centerToCornerVecY);
+ sprite->data[0] = sprite->pos1.y * 128;
+ sprite->data[5] = 0;
+ sprite->data[6] = 220;
+ }
+ else if (r2 > 242 && r2 < 250)
+ {
+ sprite->pos1.y = 163;
+ sprite->data[0] = sprite->pos1.y * 128;
+ sprite->data[5] = 0;
+ sprite->data[6] = 220;
+ sprite->invisible = TRUE;
+ sprite->callback = sub_807ECEC;
+ }
+
+ sprite->data[5]++;
+ if (sprite->data[5] == sprite->data[6])
+ {
+ sub_807EC40(sprite);
+ sprite->pos1.y = 250;
+ sprite->invisible = TRUE;
+ sprite->callback = sub_807ECEC;
+ }
+}
+
+//------------------------------------------------------------------------------
+// Medium Rain
+//------------------------------------------------------------------------------
+
+void MedRain_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->unknown_6D6 = 0;
+ gWeatherPtr->unknown_6DB = 4;
+ gWeatherPtr->unknown_6DC = 0;
+ gWeatherPtr->unknown_6D9 = 16;
+ gWeatherPtr->gammaTargetIndex = 3;
+ gWeatherPtr->gammaStepDelay = 20;
+ gWeatherPtr->weatherGfxLoaded = FALSE; // duplicate assignment
+ gWeatherPtr->unknown_6ED = 0;
+ SetRainStrengthFromSoundEffect(SE_T_AME);
+}
+
+void Rain_Main(void);
+
+void MedRain_InitAll(void)
+{
+ MedRain_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Rain_Main();
+}
+
+//------------------------------------------------------------------------------
+// Heavy Rain
+//------------------------------------------------------------------------------
+
+void HeavyRain_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->unknown_6D6 = 0;
+ gWeatherPtr->unknown_6DB = 4;
+ gWeatherPtr->unknown_6DC = 1;
+ gWeatherPtr->unknown_6D9 = 24;
+ gWeatherPtr->gammaTargetIndex = 3;
+ gWeatherPtr->gammaStepDelay = 20;
+ gWeatherPtr->weatherGfxLoaded = FALSE; // duplicate assignment
+ SetRainStrengthFromSoundEffect(SE_T_OOAME);
+}
+
+void HeavyRain_InitAll(void)
+{
+ HeavyRain_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Rain_Main();
+}
+
+void UpdateThunderSound(void);
+void SetThunderCounter(u16);
+
+void Rain_Main(void)
+{
+ UpdateThunderSound();
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ LoadRainSpriteSheet();
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ if (CreateRainSprite())
+ break;
+ gWeatherPtr->initStep++;
+ break;
+ case 2:
+ if (sub_807E8E8())
+ break;
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ break;
+ case 3:
+ if (gWeatherPtr->palProcessingState == WEATHER_PAL_STATE_CHANGING_WEATHER)
+ break;
+ gWeatherPtr->initStep = 6;
+ break;
+ case 4:
+ gWeatherPtr->unknown_6EA = 1;
+ gWeatherPtr->unknown_6E6 = (Random() % 360) + 360;
+ gWeatherPtr->initStep++;
+ // fall through
+ case 5:
+ if (--gWeatherPtr->unknown_6E6 != 0)
+ break;
+ gWeatherPtr->initStep++;
+ break;
+ case 6:
+ gWeatherPtr->unknown_6EA = 1;
+ gWeatherPtr->unknown_6EB = Random() % 2;
+ gWeatherPtr->initStep++;
+ break;
+ case 7:
+ gWeatherPtr->unknown_6EC = (Random() & 1) + 1;
+ gWeatherPtr->initStep++;
+ // fall through
+ case 8:
+ sub_807D5BC(19);
+ if (gWeatherPtr->unknown_6EB == 0 && gWeatherPtr->unknown_6EC == 1)
+ SetThunderCounter(20);
+ gWeatherPtr->unknown_6E6 = (Random() % 3) + 6;
+ gWeatherPtr->initStep++;
+ break;
+ case 9:
+ if (--gWeatherPtr->unknown_6E6 != 0)
+ break;
+ sub_807D5BC(3);
+ gWeatherPtr->unknown_6EA = 1;
+ if (--gWeatherPtr->unknown_6EC != 0)
+ {
+ gWeatherPtr->unknown_6E6 = (Random() % 16) + 60;
+ gWeatherPtr->initStep = 10;
+ }
+ else if (gWeatherPtr->unknown_6EB == 0)
+ {
+ gWeatherPtr->initStep = 4;
+ }
+ else
+ {
+ gWeatherPtr->initStep = 11;
+ }
+ break;
+ case 10:
+ if (--gWeatherPtr->unknown_6E6 != 0)
+ break;
+ gWeatherPtr->initStep = 8;
+ break;
+ case 11:
+ gWeatherPtr->unknown_6E6 = (Random() % 16) + 60;
+ gWeatherPtr->initStep++;
+ break;
+ case 12:
+ if (--gWeatherPtr->unknown_6E6 != 0)
+ break;
+ SetThunderCounter(100);
+ sub_807D5BC(19);
+ // Why use "% 16" everywhere else and "& 0xF" here. So dumb.
+ gWeatherPtr->unknown_6E6 = (Random() & 0xF) + 30;
+ gWeatherPtr->initStep++;
+ break;
+ case 13:
+ if (--gWeatherPtr->unknown_6E6 != 0)
+ break;
+ sub_807D5F0(19, 3, 5);
+ gWeatherPtr->initStep++;
+ break;
+ case 14:
+ if (gWeatherPtr->palProcessingState != WEATHER_PAL_STATE_IDLE)
+ break;
+ gWeatherPtr->unknown_6EA = 1;
+ gWeatherPtr->initStep = 4;
+ break;
+ }
+}
+
+bool8 Rain_Finish(void)
+{
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ gWeatherPtr->unknown_6EA = 0;
+ gWeatherPtr->finishStep++;
+ // fall through
+ case 1:
+ Rain_Main();
+ if (gWeatherPtr->unknown_6EA != 0)
+ {
+ if (gWeatherPtr->nextWeather == WEATHER_RAIN_LIGHT
+ || gWeatherPtr->nextWeather == WEATHER_RAIN_MED
+ || gWeatherPtr->nextWeather == WEATHER_RAIN_HEAVY)
+ return FALSE;
+ gWeatherPtr->unknown_6D9 = 0;
+ gWeatherPtr->finishStep++;
+ }
+ break;
+ case 2:
+ if (sub_807E8E8())
+ break;
+ DestroyRainSprites();
+ gWeatherPtr->unknown_6ED = 0;
+ gWeatherPtr->finishStep++;
+ return FALSE;
+ default:
+ return FALSE;
+ }
+ return TRUE;
+}
+
+void SetThunderCounter(u16 max)
+{
+ if (gWeatherPtr->unknown_6ED == 0)
+ {
+ gWeatherPtr->thunderCounter = Random() % max;
+ gWeatherPtr->unknown_6ED = 1;
+ }
+}
+
+void UpdateThunderSound(void)
+{
+ if (gWeatherPtr->unknown_6ED == 1)
+ {
+ if (gWeatherPtr->thunderCounter == 0)
+ {
+ if (IsSEPlaying())
+ return;
+ if (Random() & 1)
+ PlaySE(SE_T_KAMI);
+ else
+ PlaySE(SE_T_KAMI2);
+ gWeatherPtr->unknown_6ED = 0;
+ }
+ else
+ {
+ gWeatherPtr->thunderCounter--;
+ }
+ }
+}
+
+//------------------------------------------------------------------------------
+// Fog 1
+//------------------------------------------------------------------------------
+
+void Fog1_Main(void);
+static void CreateFog1Sprites(void);
+static void DestroyFog1Sprites(void);
+
+void Fog1_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->gammaTargetIndex = 0;
+ gWeatherPtr->gammaStepDelay = 20;
+ if (gWeatherPtr->fog1SpritesCreated == 0)
+ {
+ gWeatherPtr->unknown_6F0 = 0;
+ gWeatherPtr->unknown_6F2 = 0;
+ gWeatherPtr->fog1ScrollPosX = 0;
+ Weather_SetBlendCoeffs(0, 16);
+ }
+}
+
+void Fog1_InitAll(void)
+{
+ Fog1_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Fog1_Main();
+}
+
+void Fog1_Main(void)
+{
+ gWeatherPtr->fog1ScrollPosX = (gSpriteCoordOffsetX - gWeatherPtr->unknown_6F2) & 0xFF;
+ if (++gWeatherPtr->unknown_6F0 > 3)
+ {
+ gWeatherPtr->unknown_6F0 = 0;
+ gWeatherPtr->unknown_6F2++;
+ }
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ CreateFog1Sprites();
+ if (gWeatherPtr->currWeather == WEATHER_FOG_1)
+ Weather_SetTargetBlendCoeffs(12, 8, 3);
+ else
+ Weather_SetTargetBlendCoeffs(4, 16, 0);
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ if (Weather_UpdateBlend())
+ {
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ }
+ break;
+ }
+}
+
+bool8 Fog1_Finish(void)
+{
+ gWeatherPtr->fog1ScrollPosX = (gSpriteCoordOffsetX - gWeatherPtr->unknown_6F2) & 0xFF;
+ if (++gWeatherPtr->unknown_6F0 > 3)
+ {
+ gWeatherPtr->unknown_6F0 = 0;
+ gWeatherPtr->unknown_6F2++;
+ }
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ Weather_SetTargetBlendCoeffs(0, 16, 3);
+ gWeatherPtr->finishStep++;
+ break;
+ case 1:
+ if (!Weather_UpdateBlend())
+ break;
+ gWeatherPtr->finishStep++;
+ break;
+ case 2:
+ DestroyFog1Sprites();
+ gWeatherPtr->finishStep++;
+ break;
+ default:
+ return FALSE;
+ }
+ return TRUE;
+}
+
+#define sprColumn data[0]
+
+static void Fog1SpriteCallback(struct Sprite *sprite)
+{
+ sprite->pos2.y = (u8)gSpriteCoordOffsetY;
+ sprite->pos1.x = gWeatherPtr->fog1ScrollPosX + 32 + sprite->sprColumn * 64;
+ if (sprite->pos1.x > 0x10F)
+ {
+ sprite->pos1.x = 480 + gWeatherPtr->fog1ScrollPosX - (4 - sprite->sprColumn) * 64;
+ sprite->pos1.x &= 0x1FF;
+ }
+}
+
+static void CreateFog1Sprites(void)
+{
+ u16 i;
+
+ if (!gWeatherPtr->fog1SpritesCreated)
+ {
+ struct SpriteSheet fog1SpriteSheet = {gWeatherFog1Tiles, sizeof(gWeatherFog1Tiles), 0x1201};
+
+ LoadSpriteSheet(&fog1SpriteSheet);
+ for (i = 0; i < 20; i++)
+ {
+ u8 spriteId = CreateSpriteAtEnd(&sFog1SpriteTemplate, 0, 0, 0xFF);
+
+ if (spriteId != MAX_SPRITES)
+ {
+ struct Sprite *sprite = &gSprites[spriteId];
+
+ sprite->sprColumn = i % 5;
+ sprite->pos1.x = (i % 5) * 64 + 32;
+ sprite->pos1.y = (i / 5) * 64 + 32;
+ gWeatherPtr->sprites.s2.fog1Sprites[i] = sprite;
+ }
+ else
+ {
+ gWeatherPtr->sprites.s2.fog1Sprites[i] = NULL;
+ }
+ }
+ gWeatherPtr->fog1SpritesCreated = TRUE;
+ }
+}
+
+#undef sprColumn
+
+static void DestroyFog1Sprites(void)
+{
+ u16 i;
+
+ if (gWeatherPtr->fog1SpritesCreated)
+ {
+ for (i = 0; i < 20; i++)
+ {
+ if (gWeatherPtr->sprites.s2.fog1Sprites[i] != NULL)
+ DestroySprite(gWeatherPtr->sprites.s2.fog1Sprites[i]);
+ }
+ FreeSpriteTilesByTag(0x1201);
+ gWeatherPtr->fog1SpritesCreated = 0;
+ }
+}
+
+//------------------------------------------------------------------------------
+// Volcanic ash
+//------------------------------------------------------------------------------
+
+void Ash_Main(void);
+void LoadAshSpriteSheet(void);
+void CreateAshSprites(void);
+void DestroyAshSprites(void);
+
+void Ash_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = FALSE;
+ gWeatherPtr->gammaTargetIndex = 0;
+ gWeatherPtr->gammaStepDelay = 20;
+ gWeatherPtr->unknown_6FE = 20;
+ if (!gWeatherPtr->ashSpritesCreated)
+ {
+ Weather_SetBlendCoeffs(0, 16);
+ REG_BLDALPHA = BLDALPHA_BLEND(64, 63); // Those aren't even valid coefficients!
+ }
+}
+
+void Ash_InitAll(void)
+{
+ Ash_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Ash_Main();
+}
+
+void Ash_Main(void)
+{
+ gWeatherPtr->unknown_6FC = gSpriteCoordOffsetX & 0x1FF;
+ while (gWeatherPtr->unknown_6FC > 0xEF)
+ gWeatherPtr->unknown_6FC -= 0xF0;
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ LoadAshSpriteSheet();
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ if (!gWeatherPtr->ashSpritesCreated)
+ CreateAshSprites();
+ Weather_SetTargetBlendCoeffs(16, 0, 1);
+ gWeatherPtr->initStep++;
+ break;
+ case 2:
+ if (!Weather_UpdateBlend())
+ break;
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ break;
+ default:
+ Weather_UpdateBlend();
+ break;
+ }
+}
+
+bool8 Ash_Finish(void)
+{
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ Weather_SetTargetBlendCoeffs(0, 16, 1);
+ gWeatherPtr->finishStep++;
+ break;
+ case 1:
+ if (!Weather_UpdateBlend())
+ break;
+ DestroyAshSprites();
+ gWeatherPtr->finishStep++;
+ break;
+ case 2:
+ REG_BLDALPHA = 0;
+ gWeatherPtr->finishStep++;
+ return FALSE;
+ default:
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static const struct SpriteSheet sAshSpriteSheet = {gWeatherAshTiles, sizeof(gWeatherAshTiles), 0x1202};
+
+void LoadAshSpriteSheet(void)
+{
+ LoadSpriteSheet(&sAshSpriteSheet);
+}
+
+const struct OamData gOamData_839ABB8 =
+{
+ .y = 0,
+ .affineMode = 0,
+ .objMode = 1,
+ .mosaic = 0,
+ .bpp = 0,
+ .shape = 0,
+ .x = 0,
+ .matrixNum = 0,
+ .size = 3,
+ .tileNum = 0,
+ .priority = 1,
+ .paletteNum = 15,
+ .affineParam = 0,
+};
+
+const union AnimCmd gSpriteAnim_839ABC0[] =
+{
+ ANIMCMD_FRAME(0, 60),
+ ANIMCMD_FRAME(64, 60),
+ ANIMCMD_JUMP(0),
+};
+
+const union AnimCmd *const gSpriteAnimTable_839ABCC[] =
+{
+ gSpriteAnim_839ABC0,
+};
+
+void sub_807FAA8(struct Sprite *);
+static const struct SpriteTemplate sAshSpriteTemplate =
+{
+ .tileTag = 4610,
+ .paletteTag = 4608,
+ .oam = &gOamData_839ABB8,
+ .anims = gSpriteAnimTable_839ABCC,
+ .images = NULL,
+ .affineAnims = gDummySpriteAffineAnimTable,
+ .callback = sub_807FAA8,
+};
+
+void CreateAshSprites(void)
+{
+ u8 i;
+
+ if (!gWeatherPtr->ashSpritesCreated)
+ {
+ for (i = 0; i < 20; i++)
+ {
+ u8 spriteId = CreateSpriteAtEnd(&sAshSpriteTemplate, 0, 0, 0x4E);
+
+ if (spriteId != MAX_SPRITES)
+ {
+ struct Sprite *sprite = &gSprites[spriteId];
+
+ sprite->data[1] = 0;
+ sprite->data[2] = (u8)(i % 5);
+ sprite->data[3] = (u8)(i / 5);
+ sprite->data[0] = sprite->data[3] * 64 + 32;
+ gWeatherPtr->sprites.s2.ashSprites[i] = sprite;
+ }
+ else
+ {
+ gWeatherPtr->sprites.s2.ashSprites[i] = NULL;
+ }
+ }
+ gWeatherPtr->ashSpritesCreated = TRUE;
+ }
+}
+
+void DestroyAshSprites(void)
+{
+ u16 i;
+
+ if (gWeatherPtr->ashSpritesCreated)
+ {
+ for (i = 0; i < 20; i++)
+ {
+ if (gWeatherPtr->sprites.s2.ashSprites[i] != NULL)
+ DestroySprite(gWeatherPtr->sprites.s2.ashSprites[i]);
+ }
+ FreeSpriteTilesByTag(0x1202);
+ gWeatherPtr->ashSpritesCreated = FALSE;
+ }
+}
+
+void sub_807FAA8(struct Sprite *sprite)
+{
+ sprite->data[1]++;
+ if (sprite->data[1] > 5)
+ {
+ sprite->data[1] = 0;
+ sprite->data[0]++;
+ }
+ sprite->pos1.y = gSpriteCoordOffsetY + sprite->data[0];
+ sprite->pos1.x = gWeatherPtr->unknown_6FC + 32 + sprite->data[2] * 64;
+ if (sprite->pos1.x > 271)
+ {
+ sprite->pos1.x = gWeatherPtr->unknown_6FC + 0x1E0 - (4 - sprite->data[2]) * 64;
+ sprite->pos1.x &= 0x1FF;
+ }
+}
+
+//------------------------------------------------------------------------------
+// Fog 2
+//------------------------------------------------------------------------------
+
+void Fog2_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = 0;
+ gWeatherPtr->gammaTargetIndex = 0;
+ gWeatherPtr->gammaStepDelay = 20;
+ gWeatherPtr->unknown_6F0 = 0;
+ gWeatherPtr->unknown_6F2 = 1;
+ if (gWeatherPtr->fog2SpritesCreated == 0)
+ {
+ gWeatherPtr->unknown_71C = 0;
+ gWeatherPtr->unknown_71E = 0;
+ gWeatherPtr->unknown_720 = 0;
+ gWeatherPtr->unknown_722 = 0;
+ gWeatherPtr->unknown_718 = 0;
+ gWeatherPtr->unknown_71A = 0;
+ Weather_SetBlendCoeffs(0, 16);
+ }
+}
+
+void Fog2_Main(void);
+
+void Fog2_InitAll(void)
+{
+ Fog2_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Fog2_Main();
+}
+
+void sub_807FC9C(void);
+void CreateFog2Sprites(void);
+
+void Fog2_Main(void)
+{
+ sub_807FC9C();
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ CreateFog2Sprites();
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ Weather_SetTargetBlendCoeffs(12, 8, 8);
+ gWeatherPtr->initStep++;
+ break;
+ case 2:
+ if (!Weather_UpdateBlend())
+ break;
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ break;
+ }
+}
+
+void DestroyFog2Sprites(void);
+
+bool8 Fog2_Finish(void)
+{
+ sub_807FC9C();
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ Weather_SetTargetBlendCoeffs(0, 16, 1);
+ gWeatherPtr->finishStep++;
+ break;
+ case 1:
+ if (!Weather_UpdateBlend())
+ break;
+ gWeatherPtr->finishStep++;
+ break;
+ case 2:
+ DestroyFog2Sprites();
+ gWeatherPtr->finishStep++;
+ break;
+ default:
+ return FALSE;
+ }
+ return TRUE;
+}
+
+void sub_807FC9C(void)
+{
+ if (++gWeatherPtr->unknown_71C > 2)
+ {
+ gWeatherPtr->unknown_720++;
+ gWeatherPtr->unknown_71C = 0;
+ }
+
+ if (++gWeatherPtr->unknown_71E > 4)
+ {
+ gWeatherPtr->unknown_722++;
+ gWeatherPtr->unknown_71E = 0;
+ }
+
+ gWeatherPtr->unknown_718 = (gSpriteCoordOffsetX - gWeatherPtr->unknown_720) & 0xFF;
+ gWeatherPtr->unknown_71A = gSpriteCoordOffsetY + gWeatherPtr->unknown_722;
+}
+
+extern const struct SpriteTemplate sFog2SpriteTemplate; // defined below
+
+void CreateFog2Sprites(void)
+{
+ u16 i;
+
+ if (!gWeatherPtr->fog2SpritesCreated)
+ {
+ struct SpriteSheet fog2SpriteSheet = {gWeatherFog2Tiles, sizeof(gWeatherFog2Tiles), 0x1203};
+
+ LoadSpriteSheet(&fog2SpriteSheet);
+ for (i = 0; i < 20; i++)
+ {
+ u8 spriteId = CreateSpriteAtEnd(&sFog2SpriteTemplate, 0, (i / 5) * 64, 0xFF);
+
+ if (spriteId != MAX_SPRITES)
+ {
+ struct Sprite *sprite = &gSprites[spriteId];
+
+ sprite->data[0] = i % 5;
+ sprite->data[1] = i / 5;
+ gWeatherPtr->sprites.s2.fog2Sprites[i] = sprite;
+ }
+ else
+ {
+ gWeatherPtr->sprites.s2.fog2Sprites[i] = NULL;
+ }
+ }
+ gWeatherPtr->fog2SpritesCreated = TRUE;
+ }
+}
+
+const struct OamData gOamData_839ABF0 =
+{
+ .y = 0,
+ .affineMode = 0,
+ .objMode = 1,
+ .mosaic = 0,
+ .bpp = 0,
+ .shape = 0,
+ .x = 0,
+ .matrixNum = 0,
+ .size = 3,
+ .tileNum = 0,
+ .priority = 2,
+ .paletteNum = 0,
+ .affineParam = 0,
+};
+
+const union AnimCmd gSpriteAnim_839ABF8[] =
+{
+ ANIMCMD_FRAME(0, 16),
+ ANIMCMD_END,
+};
+
+const union AnimCmd *const gSpriteAnimTable_839AC00[] =
+{
+ gSpriteAnim_839ABF8,
+};
+
+void Fog2SpriteCallback(struct Sprite *);
+const struct SpriteTemplate sFog2SpriteTemplate =
+{
+ .tileTag = 4611,
+ .paletteTag = 4608,
+ .oam = &gOamData_839ABF0,
+ .anims = gSpriteAnimTable_839AC00,
+ .images = NULL,
+ .affineAnims = gDummySpriteAffineAnimTable,
+ .callback = Fog2SpriteCallback,
+};
+
+void DestroyFog2Sprites(void)
+{
+ u16 i;
+
+ if (gWeatherPtr->fog2SpritesCreated)
+ {
+ for (i = 0; i < 20; i++)
+ {
+ if (gWeatherPtr->sprites.s2.fog2Sprites[i] != NULL)
+ DestroySprite(gWeatherPtr->sprites.s2.fog2Sprites[i]);
+ }
+ FreeSpriteTilesByTag(0x1203);
+ gWeatherPtr->fog2SpritesCreated = FALSE;
+ }
+}
+
+void Fog2SpriteCallback(struct Sprite *sprite)
+{
+ sprite->pos2.y = gWeatherPtr->unknown_71A;
+ sprite->pos1.x = gWeatherPtr->unknown_718 + 32 + sprite->data[0] * 64;
+ if (sprite->pos1.x > 271)
+ {
+ sprite->pos1.x = gWeatherPtr->unknown_718 + 0x1E0 - (4 - sprite->data[0]) * 64;
+ sprite->pos1.x &= 0x1FF;
+ }
+}
+
+//------------------------------------------------------------------------------
+// Sandstorm
+//------------------------------------------------------------------------------
+
+void Sandstorm_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->weatherGfxLoaded = 0;
+ gWeatherPtr->gammaTargetIndex = 0;
+ gWeatherPtr->gammaStepDelay = 20;
+ if (gWeatherPtr->sandstormSprites1Created == 0)
+ {
+ gWeatherPtr->unknown_704 = gWeatherPtr->unknown_708 = 0;
+ gWeatherPtr->unknown_712 = 8;
+ gWeatherPtr->unknown_714 = 0;
+ // Dead code. How does the compiler not optimize this out?
+ if (gWeatherPtr->unknown_712 > 0x5F)
+ gWeatherPtr->unknown_712 = 0x80 - gWeatherPtr->unknown_712;
+ Weather_SetBlendCoeffs(0, 16);
+ }
+}
+
+void Sandstorm_Main(void);
+
+void Sandstorm_InitAll(void)
+{
+ Sandstorm_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Sandstorm_Main();
+}
+
+void sub_808002C(void);
+void sub_8080064(void);
+void CreateSandstormSprites_1(void);
+void CreateSandstormSprites_2(void);
+
+void Sandstorm_Main(void)
+{
+ sub_8080064();
+ sub_808002C();
+ if (gWeatherPtr->unknown_712 > 0x5F)
+ gWeatherPtr->unknown_712 = 32;
+ switch (gWeatherPtr->initStep)
+ {
+ case 0:
+ CreateSandstormSprites_1();
+ CreateSandstormSprites_2();
+ gWeatherPtr->initStep++;
+ break;
+ case 1:
+ Weather_SetTargetBlendCoeffs(16, 0, 0);
+ gWeatherPtr->initStep++;
+ break;
+ case 2:
+ if (!Weather_UpdateBlend())
+ break;
+ gWeatherPtr->weatherGfxLoaded = TRUE;
+ gWeatherPtr->initStep++;
+ break;
+ }
+}
+
+void sub_80800E4(void);
+
+bool8 Sandstorm_Finish(void)
+{
+ sub_8080064();
+ sub_808002C();
+ switch (gWeatherPtr->finishStep)
+ {
+ case 0:
+ Weather_SetTargetBlendCoeffs(0, 16, 0);
+ gWeatherPtr->finishStep++;
+ break;
+ case 1:
+ if (!Weather_UpdateBlend())
+ break;
+ gWeatherPtr->finishStep++;
+ break;
+ case 2:
+ sub_80800E4();
+ gWeatherPtr->finishStep++;
+ break;
+ default:
+ return FALSE;
+ }
+ return TRUE;
+}
+
+void sub_808002C(void)
+{
+ if (gWeatherPtr->unknown_714++ > 4)
+ {
+ gWeatherPtr->unknown_712++;
+ gWeatherPtr->unknown_714 = 0;
+ }
+}
+
+void sub_8080064(void)
+{
+ gWeatherPtr->unknown_704 -= gSineTable[gWeatherPtr->unknown_712] * 4;
+ gWeatherPtr->unknown_708 -= gSineTable[gWeatherPtr->unknown_712];
+ gWeatherPtr->unknown_70E = (gSpriteCoordOffsetX + (gWeatherPtr->unknown_704 >> 8)) & 0xFF;
+ gWeatherPtr->unknown_710 = gSpriteCoordOffsetY + (gWeatherPtr->unknown_708 >> 8);
+}
+
+void sub_80800E4(void)
+{
+ u16 i;
+
+ if (gWeatherPtr->sandstormSprites1Created)
+ {
+ for (i = 0; i < 20; i++)
+ {
+ if (gWeatherPtr->sprites.s2.sandstormSprites1[i] != NULL)
+ DestroySprite(gWeatherPtr->sprites.s2.sandstormSprites1[i]);
+ }
+ gWeatherPtr->sandstormSprites1Created = FALSE;
+ FreeSpriteTilesByTag(0x1204);
+ }
+
+ if (gWeatherPtr->sandstormSprites2Created)
+ {
+ for (i = 0; i < 5; i++)
+ {
+ if (gWeatherPtr->sprites.s2.sandstormSprites2[i] != NULL)
+ DestroySprite(gWeatherPtr->sprites.s2.sandstormSprites2[i]);
+ }
+ gWeatherPtr->sandstormSprites2Created = FALSE;
+ }
+}
+
+const struct OamData gOamData_839AC1C =
+{
+ .y = 0,
+ .affineMode = 0,
+ .objMode = 1,
+ .mosaic = 0,
+ .bpp = 0,
+ .shape = 0,
+ .x = 0,
+ .matrixNum = 0,
+ .size = 3,
+ .tileNum = 0,
+ .priority = 1,
+ .paletteNum = 0,
+ .affineParam = 0,
+};
+
+const union AnimCmd gSpriteAnim_839AC24[] =
+{
+ ANIMCMD_FRAME(0, 3),
+ ANIMCMD_END,
+};
+
+const union AnimCmd gSpriteAnim_839AC2C[] =
+{
+ ANIMCMD_FRAME(64, 3),
+ ANIMCMD_END,
+};
+
+const union AnimCmd *const gSpriteAnimTable_839AC34[] =
+{
+ gSpriteAnim_839AC24,
+ gSpriteAnim_839AC2C,
+};
+
+void SandstormSpriteCallback1(struct Sprite *);
+const struct SpriteTemplate sSandstormSpriteTemplate =
+{
+ .tileTag = 4612,
+ .paletteTag = 4609,
+ .oam = &gOamData_839AC1C,
+ .anims = gSpriteAnimTable_839AC34,
+ .images = NULL,
+ .affineAnims = gDummySpriteAffineAnimTable,
+ .callback = SandstormSpriteCallback1,
+};
+
+static const struct SpriteSheet sSandstormSpriteSheet = {gWeatherSandstormTiles, sizeof(gWeatherSandstormTiles), 0x1204};
+
+void CreateSandstormSprites_1(void)
+{
+ u16 i;
+
+ if (!gWeatherPtr->sandstormSprites1Created)
+ {
+ LoadSpriteSheet(&sSandstormSpriteSheet);
+ LoadCustomWeatherSpritePalette(gUnknown_08397128);
+ for (i = 0; i < 20; i++)
+ {
+ u8 spriteId = CreateSpriteAtEnd(&sSandstormSpriteTemplate, 0, (i / 5) * 64, 1);
+
+ if (spriteId != MAX_SPRITES)
+ {
+ gWeatherPtr->sprites.s2.sandstormSprites1[i] = &gSprites[spriteId];
+ gWeatherPtr->sprites.s2.sandstormSprites1[i]->data[0] = i % 5;
+ gWeatherPtr->sprites.s2.sandstormSprites1[i]->data[1] = i / 5;
+ }
+ else
+ {
+ gWeatherPtr->sprites.s2.sandstormSprites1[i] = NULL;
+ }
+ }
+ gWeatherPtr->sandstormSprites1Created = TRUE;
+ }
+}
+
+const u16 gUnknown_0839AC5C[] = {0, 120, 80, 160, 40, 0};
+
+void SandstormSpriteCallback2(struct Sprite *);
+
+void CreateSandstormSprites_2(void)
+{
+ u16 i;
+
+ if (!gWeatherPtr->sandstormSprites2Created)
+ {
+ for (i = 0; i < 5; i++)
+ {
+ u8 spriteId = CreateSpriteAtEnd(&sSandstormSpriteTemplate, i * 48 + 0x18, 0xD0, 1);
+
+ if (spriteId != MAX_SPRITES)
+ {
+ gWeatherPtr->sprites.s2.sandstormSprites2[i] = &gSprites[spriteId];
+ gWeatherPtr->sprites.s2.sandstormSprites2[i]->oam.size = 2;
+ gWeatherPtr->sprites.s2.sandstormSprites2[i]->data[1] = i * 51;
+ gWeatherPtr->sprites.s2.sandstormSprites2[i]->data[0] = 8;
+ gWeatherPtr->sprites.s2.sandstormSprites2[i]->data[2] = 0;
+ gWeatherPtr->sprites.s2.sandstormSprites2[i]->data[4] = 0x6730;
+ gWeatherPtr->sprites.s2.sandstormSprites2[i]->data[3] = gUnknown_0839AC5C[i];
+ StartSpriteAnim(gWeatherPtr->sprites.s2.sandstormSprites2[i], 1);
+ CalcCenterToCornerVec(gWeatherPtr->sprites.s2.sandstormSprites2[i], 0, 2, 0);
+ gWeatherPtr->sprites.s2.sandstormSprites2[i]->callback = SandstormSpriteCallback2;
+ }
+ else
+ {
+ gWeatherPtr->sprites.s2.sandstormSprites2[i] = NULL;
+ }
+ gWeatherPtr->sandstormSprites2Created = TRUE;
+ }
+ }
+}
+
+void SandstormSpriteCallback1(struct Sprite *sprite)
+{
+ sprite->pos2.y = gWeatherPtr->unknown_710;
+ sprite->pos1.x = gWeatherPtr->unknown_70E + 32 + sprite->data[0] * 64;
+ if (sprite->pos1.x > 271)
+ {
+ sprite->pos1.x = gWeatherPtr->unknown_70E + 0x1E0 - (4 - sprite->data[0]) * 64;
+ sprite->pos1.x &= 0x1FF;
+ }
+}
+
+void SandstormSpriteCallback3(struct Sprite *);
+
+void SandstormSpriteCallback2(struct Sprite *sprite)
+{
+ if (--sprite->data[3] == -1)
+ sprite->callback = SandstormSpriteCallback3;
+}
+
+void SandstormSpriteCallback3(struct Sprite *sprite)
+{
+ u32 x;
+ u32 y;
+
+ if (--sprite->pos1.y < -48)
+ {
+ sprite->pos1.y = 208;
+ sprite->data[0] = 4;
+ }
+ x = sprite->data[0] * gSineTable[sprite->data[1]];
+ y = sprite->data[0] * gSineTable[sprite->data[1] + 64];
+ sprite->pos2.x = x >> 8;
+ sprite->pos2.y = y >> 8;
+ sprite->data[1] = (sprite->data[1] + 10) & 0xFF;
+ if (++sprite->data[2] > 8)
+ {
+ sprite->data[2] = 0;
+ sprite->data[0]++;
+ }
+}
+
+//------------------------------------------------------------------------------
+// Shade
+//------------------------------------------------------------------------------
+
+void Shade_InitVars(void)
+{
+ gWeatherPtr->initStep = 0;
+ gWeatherPtr->gammaTargetIndex = 3;
+ gWeatherPtr->gammaStepDelay = 20;
+}
+
+void Shade_InitAll(void)
+{
+ Shade_InitVars();
+}
+
+void Shade_Main(void)
+{
+}
+
+bool8 Shade_Finish(void)
+{
+ return FALSE;
+}
+
+//------------------------------------------------------------------------------
+// Weather 14
+//------------------------------------------------------------------------------
+
+const u8 gUnknown_0839AC68[] = {40, 90, 60, 90, 2, 60, 40, 30};
+
+const struct SpriteSheet gWeatherBubbleSpriteSheet = {gWeatherBubbleTiles, sizeof(gWeatherBubbleTiles), 0x1205};
+
+void Bubbles_InitVars(void)
+{
+ Fog1_InitVars();
+ if (gWeatherPtr->unknown_72E == 0)
+ {
+ LoadSpriteSheet(&gWeatherBubbleSpriteSheet);
+ gWeatherPtr->unknown_728 = 0;
+ gWeatherPtr->unknown_726 = gUnknown_0839AC68[0];
+ gWeatherPtr->unknown_72A = 0;
+ gWeatherPtr->unknown_72C = 0;
+ }
+}
+
+void Bubbles_Main(void);
+
+void Bubbles_InitAll(void)
+{
+ Bubbles_InitVars();
+ while (gWeatherPtr->weatherGfxLoaded == FALSE)
+ Bubbles_Main();
+}
+
+void sub_8080588(u16);
+
+void Bubbles_Main(void)
+{
+ Fog1_Main();
+ if (++gWeatherPtr->unknown_726 > gUnknown_0839AC68[gWeatherPtr->unknown_728])
+ {
+ gWeatherPtr->unknown_726 = 0;
+ if (++gWeatherPtr->unknown_728 > 7)
+ gWeatherPtr->unknown_728 = 0;
+ sub_8080588(gWeatherPtr->unknown_72A);
+ if (++gWeatherPtr->unknown_72A > 12)
+ gWeatherPtr->unknown_72A = 0;
+ }
+}
+
+void sub_8080610(void);
+
+bool8 Bubbles_Finish(void)
+{
+ if (!Fog1_Finish())
+ {
+ sub_8080610();
+ return FALSE;
+ }
+ return TRUE;
+}
+
+const s16 gUnknown_0839AC78[][2] =
+{
+ {120, 160},
+ {376, 160},
+ { 40, 140},
+ {296, 140},
+ {180, 130},
+ {436, 130},
+ { 60, 160},
+ {436, 160},
+ {220, 180},
+ {476, 180},
+ { 10, 90},
+ {266, 90},
+ {256, 160},
+};
+
+const union AnimCmd gSpriteAnim_839ACAC[] =
+{
+ ANIMCMD_FRAME(0, 16),
+ ANIMCMD_FRAME(1, 16),
+ ANIMCMD_END,
+};
+
+const union AnimCmd *const gSpriteAnimTable_839ACB8[] =
+{
+ gSpriteAnim_839ACAC,
+};
+
+extern const struct OamData gOamData_837DF24;
+
+void unc_0807DAB4(struct Sprite *);
+const struct SpriteTemplate gSpriteTemplate_839ACBC =
+{
+ .tileTag = 4613,
+ .paletteTag = 4608,
+ .oam = &gOamData_837DF24,
+ .anims = gSpriteAnimTable_839ACB8,
+ .images = NULL,
+ .affineAnims = gDummySpriteAffineAnimTable,
+ .callback = unc_0807DAB4,
+};
+
+void sub_8080588(u16 a)
+{
+ s16 x = gUnknown_0839AC78[a][0];
+ s16 y = gUnknown_0839AC78[a][1] - gSpriteCoordOffsetY;
+ u8 spriteId = CreateSpriteAtEnd(
+ &gSpriteTemplate_839ACBC,
+ x,
+ y,
+ 0);
+
+ if (spriteId != MAX_SPRITES)
+ {
+ gSprites[spriteId].oam.priority = 1;
+ gSprites[spriteId].coordOffsetEnabled = TRUE;
+ gSprites[spriteId].data[0] = 0;
+ gSprites[spriteId].data[1] = 0;
+ gSprites[spriteId].data[2] = 0;
+ gWeatherPtr->unknown_72C++;
+ }
+}
+
+void sub_8080610(void)
+{
+ u16 i;
+
+ for (i = 0; i < 64; i++)
+ {
+ if (gSprites[i].template == &gSpriteTemplate_839ACBC)
+ DestroySprite(&gSprites[i]);
+ }
+ FreeSpriteTilesByTag(0x1205);
+}
+
+void unc_0807DAB4(struct Sprite *sprite)
+{
+ ++sprite->data[0];
+ if (++sprite->data[0] > 8) // double increment
+ {
+ sprite->data[0] = 0;
+ if (sprite->data[1] == 0)
+ {
+ if (++sprite->pos2.x > 4)
+ sprite->data[1] = 1;
+ }
+ else
+ {
+ if (--sprite->pos2.x <= 0)
+ sprite->data[1] = 0;
+ }
+ }
+ sprite->pos1.y -= 3;
+ if (++sprite->data[2] > 0x77)
+ DestroySprite(sprite);
+}
+
+//------------------------------------------------------------------------------
+
+u8 TranslateWeatherNum(u8);
+void UpdateRainCounter(u8, u8);
+
+void SetSav1Weather(u32 weather)
+{
+ u8 oldWeather = gSaveBlock1.weather;
+
+ gSaveBlock1.weather = TranslateWeatherNum(weather);
+ UpdateRainCounter(gSaveBlock1.weather, oldWeather);
+}
+
+u8 GetSav1Weather(void)
+{
+ return gSaveBlock1.weather;
+}
+
+void SetSav1WeatherFromCurrMapHeader(void)
+{
+ u8 oldWeather = gSaveBlock1.weather;
+
+ gSaveBlock1.weather = TranslateWeatherNum(gMapHeader.weather);
+ UpdateRainCounter(gSaveBlock1.weather, oldWeather);
+}
+
+void SetWeather(u32 weather)
+{
+ SetSav1Weather(weather);
+ ChangeWeather(GetSav1Weather());
+}
+
+void SetWeather_Unused(u32 weather)
+{
+ SetSav1Weather(weather);
+ sub_807C988(GetSav1Weather());
+}
+
+void DoCurrentWeather(void)
+{
+ ChangeWeather(GetSav1Weather());
+}
+
+void sub_8080750(void)
+{
+ sub_807C988(GetSav1Weather());
+}
+
+static const u8 sWeatherCycle1[] = {2, 3, 5, 3};
+static const u8 sWeatherCycle2[] = {2, 2, 3, 2};
+
+u8 TranslateWeatherNum(u8 weather)
+{
+ switch (weather)
+ {
+ case 0: return 0;
+ case 1: return 1;
+ case 2: return 2;
+ case 3: return 3;
+ case 4: return 4;
+ case 5: return 5;
+ case 6: return 6;
+ case 7: return 7;
+ case 8: return 8;
+ case 9: return 9;
+ case 10: return 10;
+ case 11: return 11;
+ case 12: return 12;
+ case 13: return 13;
+ case 14: return 14;
+ case 20: return sWeatherCycle1[gSaveBlock1.filler_2F];
+ case 21: return sWeatherCycle2[gSaveBlock1.filler_2F];
+ default: return 0;
+ }
+}
+
+void UpdateWeatherPerDay(u16 increment)
+{
+ u16 weatherStage = gSaveBlock1.filler_2F + increment;
+ weatherStage %= 4;
+ gSaveBlock1.filler_2F = weatherStage;
+}
+
+void UpdateRainCounter(u8 newWeather, u8 oldWeather)
+{
+ if (newWeather != oldWeather
+ && (newWeather == WEATHER_RAIN_LIGHT || newWeather == WEATHER_RAIN_MED))
+ IncrementGameStat(GAME_STAT_GOT_RAINED_ON);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 07:43:49 +0000