diff options
Diffstat (limited to 'src/frontend/Util_ROM.cpp')
| -rw-r--r-- | src/frontend/Util_ROM.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/frontend/Util_ROM.cpp b/src/frontend/Util_ROM.cpp index 8d691b3..19023fb 100644 --- a/src/frontend/Util_ROM.cpp +++ b/src/frontend/Util_ROM.cpp @@ -19,6 +19,8 @@ #include <stdio.h> #include <string.h> +#include <utility> + #ifdef ARCHIVE_SUPPORT_ENABLED #include "ArchiveUtil.h" #endif @@ -461,6 +463,72 @@ int LoadROM(const char* file, int slot) } } +void ROMIcon(u8 (&data)[512], u16 (&palette)[16], u32* iconRef) +{ + int index = 0; + for (int i = 0; i < 4; i++) + { + for (int j = 0; j < 4; j++) + { + for (int k = 0; k < 8; k++) + { + for (int l = 0; l < 8; l++) + { + u8 pal_index = index % 2 ? data[index/2] >> 4 : data[index/2] & 0x0F; + u8 r = ((palette[pal_index] >> 0) & 0x1F) * 255 / 31; + u8 g = ((palette[pal_index] >> 5) & 0x1F) * 255 / 31; + u8 b = ((palette[pal_index] >> 10) & 0x1F) * 255 / 31; + u8 a = pal_index ? 255: 0; + u32* row = &iconRef[256 * i + 32 * k + 8 * j]; + row[l] = (a << 24) | (r << 16) | (g << 8) | b; + index++; + } + } + } + } +} + +#define SEQ_FLIPV(i) ((i & 0b1000000000000000) >> 15) +#define SEQ_FLIPH(i) ((i & 0b0100000000000000) >> 14) +#define SEQ_PAL(i) ((i & 0b0011100000000000) >> 11) +#define SEQ_BMP(i) ((i & 0b0000011100000000) >> 8) +#define SEQ_DUR(i) ((i & 0b0000000011111111) >> 0) + +void AnimatedROMIcon(u8 (&data)[8][512], u16 (&palette)[8][16], u16 (&sequence)[64], u32 (&animatedTexRef)[32 * 32 * 64], std::vector<int> &animatedSequenceRef) +{ + for (int i = 0; i < 64; i++) + { + if (!sequence[i]) + break; + u32* frame = &animatedTexRef[32 * 32 * i]; + ROMIcon(data[SEQ_BMP(sequence[i])], palette[SEQ_PAL(sequence[i])], frame); + + if (SEQ_FLIPH(sequence[i])) + { + for (int x = 0; x < 32; x++) + { + for (int y = 0; y < 32/2; y++) + { + std::swap(frame[x * 32 + y], frame[x * 32 + (32 - 1 - y)]); + } + } + } + if (SEQ_FLIPV(sequence[i])) + { + for (int x = 0; x < 32/2; x++) + { + for (int y = 0; y < 32; y++) + { + std::swap(frame[x * 32 + y], frame[(32 - 1 - x) * 32 + y]); + } + } + } + + for (int j = 0; j < SEQ_DUR(sequence[i]); j++) + animatedSequenceRef.push_back(i); + } +} + void UnloadROM(int slot) { if (slot == ROMSlot_NDS) |