diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/field_weather.c | 154 |
1 files changed, 131 insertions, 23 deletions
diff --git a/src/field_weather.c b/src/field_weather.c index 5ff2eddf9..366d57824 100644 --- a/src/field_weather.c +++ b/src/field_weather.c @@ -4,11 +4,15 @@ #include "sprite.h" #include "task.h" +#define MACRO1(a) ((((a) >> 1) & 0xF) | (((a) >> 2) & 0xF0) | (((a) >> 3) & 0xF00)) + struct Weather { u8 filler_000[0x200]; u8 unknown_200[2][32]; - u8 filler_240[0x480]; + u8 filler_240[0x460-0x240]; + u8 unk460[2][32]; + u8 filler4A0[0x6C0-0x4A0]; s8 unknown_6C0; s8 unknown_6C1; u8 unknown_6C2; @@ -184,26 +188,18 @@ void sub_807CB10(void) for (v0 = 0; v0 <= 1; v0++) { if (v0 == 0) - { v1 = &gUnknown_0202F9E8; - } else - { v1 = &gUnknown_0202F9E8 + 19; - } + for (v2 = 0; (u16)v2 <= 0x1f; v2++) { v4 = v2 << 8; if (v0 == 0) - { v5 = (v2 << 8) / 16; - } else - { v5 = 0; - } - v6 = 0; - for (; v6 <= 2; v6++) + for (v6 = 0; v6 <= 2; v6++) { v4 = (v4 - v5); v1[v6][v2] = v4 >> 8; @@ -260,13 +256,9 @@ void sub_807CC24(void) { gWeather.unknown_6C3 = 0; if (gWeather.unknown_6C0 < gWeather.unknown_6C1) - { gWeather.unknown_6C0++; - } else - { gWeather.unknown_6C0--; - } sub_807CEBC(0, 0x20, gWeather.unknown_6C0); } } @@ -275,9 +267,7 @@ void sub_807CC24(void) void sub_807CCAC(void) { if (++gWeather.unknown_6CB > 1) - { gWeather.unknown_6CA = 0; - } switch (gWeather.unknown_6D0) { case 3: @@ -322,9 +312,7 @@ void sub_807CCAC(void) u8 sub_807CDC4(void) { if (gWeather.unknown_6C7 == 0x10) - { return 0; - } if (++gWeather.unknown_6C7 >= 0x10) { sub_807CEBC(0, 0x20, 3); @@ -338,9 +326,7 @@ u8 sub_807CDC4(void) u8 sub_807CE24(void) { if (gWeather.unknown_6C7 == 0x10) - { return 0; - } if (++gWeather.unknown_6C7 >= 0x10) { sub_807CEBC(0, 0x20, -6); @@ -354,9 +340,7 @@ u8 sub_807CE24(void) u8 sub_807CE7C(void) { if (gWeather.unknown_6C7 == 0x10) - { return 0; - } ++gWeather.unknown_6C7; sub_807D424(0x10 - gWeather.unknown_6C7, gWeather.unknown_6C4); return 1; @@ -365,3 +349,127 @@ u8 sub_807CE7C(void) void nullsub_39(void) { } + +struct RGBColor +{ + u16 r:5; + u16 g:5; + u16 b:5; +}; + +extern u8 ewram[]; + +struct Struct2000000 +{ + u16 data[0][0x1000]; // unknown length +}; + +#define ewram0 (*(struct Struct2000000 *)ewram) + +void sub_807CEBC(u8 a, u8 b, s8 c) +{ + u16 r4; + u16 r5; + u8 *r6; + u16 r7; + + if (c > 0) + { + c = c - 1; + r5 = a * 16; + b += a; + r4 = a; + while (r4 < b) + { + if (gUnknown_030006DC[r4] == 0) + { + CpuFastCopy(gPlttBufferUnfaded + r5, gPlttBufferFaded + r5, 16 * sizeof(u16)); + r5 += 16; + } + else + { + u8 r, g, b; + + if (gUnknown_030006DC[r4] == 2 || r4 - 16 == gUnknown_0202F7E8.unknown_6D5) + r6 = gUnknown_0202F7E8.unk460[c]; + else + r6 = gUnknown_0202F7E8.unknown_200[c]; + if (r4 == 16 || r4 > 0x1B) + { + for (r7 = 0; r7 < 16; r7++) + { + if (gPlttBufferUnfaded[r5] == 0x2D9F) + { + r5++; + } + else + { + struct RGBColor r1 = *(struct RGBColor *)&gPlttBufferUnfaded[r5]; + r = r6[r1.r]; + g = r6[r1.g]; + b = r6[r1.b]; + + gPlttBufferFaded[r5++] = (b << 10) | (g << 5) | r; + } + } + } + else + { + for (r7 = 0; r7 < 16; r7++) + { + struct RGBColor r1 = *(struct RGBColor *)&gPlttBufferUnfaded[r5]; + r = r6[r1.r]; + g = r6[r1.g]; + b = r6[r1.b]; + + gPlttBufferFaded[r5++] = (b << 10) | (g << 5) | r; + } + } + } + r4++; + } + } + else + { + if (c < 0) + { + c = -c - 1; + r5 = a * 16; + b += a; + r4 = a; + while (r4 < b) + { + if (gUnknown_030006DC[r4] == 0) + { + CpuFastCopy(gPlttBufferUnfaded + r5, gPlttBufferFaded + r5, 16 * sizeof(u16)); + r5 += 16; + } + else + { + if (r4 == 16 || r4 > 0x1B) + { + for (r7 = 0; r7 < 16; r7++) + { + if (gPlttBufferUnfaded[r5] != 0x2D9F) + gPlttBufferFaded[r5] = ewram0.data[c][MACRO1(gPlttBufferUnfaded[r5])]; + r5++; + } + } + else + { + for (r7 = 0; r7 < 16; r7++) + { + gPlttBufferFaded[r5] = ewram0.data[c][MACRO1(gPlttBufferUnfaded[r5])]; + r5++; + } + } + } + r4++; + } + } + else + { + CpuFastCopy(gPlttBufferUnfaded + a * 16, gPlttBufferFaded + a * 16, b * 16 * sizeof(u16)); + } + } +} |