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MxSmack::LoadHeader (#1080)

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MS 2024-08-07 23:19:12 -04:00 committed by GitHub
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3 changed files with 121 additions and 111 deletions
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5
LEGO1/library_smack.h
View file

@ -1,18 +1,23 @@
#ifdef 0
// LIBRARY: LEGO1 0x100cd782
// LIBRARY: BETA10 0x1015fb82
// _SmackGetSizeTables
// LIBRARY: LEGO1 0x100cd7e8
// LIBRARY: BETA10 0x1015fbe8
// _SmackDoTables
// LIBRARY: LEGO1 0x100cda83
// LIBRARY: BETA10 0x1015fe83
// _SmackDoFrameToBuffer
// LIBRARY: LEGO1 0x100d052c
// LIBRARY: BETA10 0x1016292c
// _SmackGetSizeDeltas
// LIBRARY: LEGO1 0x100d0543
// LIBRARY: BETA10 0x10162943
// _SmackGetRect
#endif

2
LEGO1/omni/include/mxbitmap.h
View file

@ -90,7 +90,7 @@ class MxBitmap : public MxCore {
// DECOMP: This could be a free function. It is static here because it has no
// reference to "this". In the beta it is called in two places:
// 1. GetBmiHeightAbs
// 2. at 0x101523b9, in reference to BITMAPINFOHEADER.biHeight
// 2. MxSmack::LoadFrame
// FUNCTION: BETA10 0x1002c690
static MxLong HeightAbs(MxLong p_value) { return p_value > 0 ? p_value : -p_value; }

225
LEGO1/omni/src/video/mxsmack.cpp
View file

@ -8,127 +8,136 @@ DECOMP_SIZE_ASSERT(SmackTag, 0x390);
DECOMP_SIZE_ASSERT(MxSmack, 0x6b8);
// FUNCTION: LEGO1 0x100c5a90
// FUNCTION: BETA10 0x10151e70
MxResult MxSmack::LoadHeader(MxU8* p_data, MxSmack* p_mxSmack)
{
// Macros for readability
#define FRAME_COUNT(mxSmack) (p_mxSmack->m_smackTag.Frames + (p_mxSmack->m_smackTag.SmackerType & 1))
// If bit0 of SmackerType is set, there is an extra frame ("ring frame")
// at the end. It is a duplicate of the first frame to simplify looping.
#define FRAME_COUNT(_tag) (_tag->Frames + (_tag->SmackerType & 1))
MxResult result = SUCCESS;
MxU32* frameSizes = NULL;
MxU8* frameTypes = NULL;
MxU8* huffmanTrees = NULL;
MxU32 sizetables = 0;
// Forced to declare here because of the gotos.
MxU32 i;
MxU32 treeSize;
MxU32* data;
MxU32 size;
MxS32 width;
if (!p_data || !p_mxSmack) {
return FAILURE;
}
SmackTag* smackTag = &p_mxSmack->m_smackTag;
p_mxSmack->m_frameTypes = NULL;
p_mxSmack->m_frameSizes = NULL;
p_mxSmack->m_huffmanTrees = NULL;
p_mxSmack->m_huffmanTables = NULL;
memcpy(smackTag, p_data, SmackHeaderSize(smackTag));
p_data += SmackHeaderSize(smackTag);
frameSizes = new MxU32[FRAME_COUNT(smackTag)];
if (!frameSizes) {
result = FAILURE;
}
else {
p_mxSmack->m_frameTypes = NULL;
p_mxSmack->m_frameSizes = NULL;
p_mxSmack->m_huffmanTrees = NULL;
p_mxSmack->m_huffmanTables = NULL;
memcpy(&p_mxSmack->m_smackTag, p_data, SmackHeaderSize(&p_mxSmack->m_smackTag));
p_data += SmackHeaderSize(&p_mxSmack->m_smackTag);
MxU32* frameSizes = new MxU32[FRAME_COUNT(p_mxSmack)];
if (!frameSizes) {
result = FAILURE;
}
else {
memcpy(frameSizes, p_data, FRAME_COUNT(p_mxSmack) * sizeof(MxU32));
p_data += FRAME_COUNT(p_mxSmack) * sizeof(MxU32);
p_mxSmack->m_maxFrameSize = 0;
// TODO
for (MxU32 i = 0; i < FRAME_COUNT(p_mxSmack); i++) {
if (p_mxSmack->m_maxFrameSize < frameSizes[i]) {
p_mxSmack->m_maxFrameSize = frameSizes[i];
}
}
frameTypes = new MxU8[FRAME_COUNT(p_mxSmack)];
if (!frameTypes) {
result = FAILURE;
}
else {
memcpy(frameTypes, p_data, FRAME_COUNT(p_mxSmack));
p_data += FRAME_COUNT(p_mxSmack);
MxU32 treeSize = p_mxSmack->m_smackTag.tablesize + 0x1000;
if (treeSize <= 0x2000) {
treeSize = 0x2000;
}
huffmanTrees = new MxU8[treeSize];
if (!huffmanTrees) {
result = FAILURE;
}
else {
memcpy(huffmanTrees + 0x1000, p_data, p_mxSmack->m_smackTag.tablesize);
p_mxSmack->m_huffmanTables = new MxU8
[p_mxSmack->m_smackTag.codesize + p_mxSmack->m_smackTag.absize +
p_mxSmack->m_smackTag.detailsize + p_mxSmack->m_smackTag.typesize + SmackGetSizeTables()];
if (!p_mxSmack->m_huffmanTables) {
result = FAILURE;
}
else {
SmackDoTables(
huffmanTrees,
p_mxSmack->m_huffmanTables,
p_mxSmack->m_smackTag.codesize,
p_mxSmack->m_smackTag.absize,
p_mxSmack->m_smackTag.detailsize,
p_mxSmack->m_smackTag.typesize
);
MxU32 size = SmackGetSizeDeltas(p_mxSmack->m_smackTag.Width, p_mxSmack->m_smackTag.Height) + 32;
p_mxSmack->m_unk0x6b4 = new MxU8[size];
memset(p_mxSmack->m_unk0x6b4, 0, size);
MxS32 width = p_mxSmack->m_smackTag.Width;
MxU32* data = (MxU32*) p_mxSmack->m_unk0x6b4;
*data = 1;
data++;
*data = NULL; // MxU8* bitmapData
data++;
*data = p_mxSmack->m_smackTag.Width / 4;
data++;
*data = p_mxSmack->m_smackTag.Height / 4;
data++;
*data = width - 4;
data++;
*data = width * 3;
data++;
*data = width;
data++;
*data = width * 4 - p_mxSmack->m_smackTag.Width;
data++;
data++;
*data = p_mxSmack->m_smackTag.Width;
data++;
*data = p_mxSmack->m_smackTag.Height;
}
}
}
}
p_mxSmack->m_frameTypes = frameTypes;
p_mxSmack->m_frameSizes = frameSizes;
p_mxSmack->m_huffmanTrees = huffmanTrees;
goto done;
}
memcpy(frameSizes, p_data, FRAME_COUNT(smackTag) * sizeof(MxU32));
p_data += FRAME_COUNT(smackTag) * sizeof(MxU32);
p_mxSmack->m_maxFrameSize = 0;
for (i = 0; i < FRAME_COUNT(smackTag); i++) {
if (p_mxSmack->m_maxFrameSize < frameSizes[i]) {
p_mxSmack->m_maxFrameSize = frameSizes[i];
}
}
frameTypes = new MxU8[FRAME_COUNT(smackTag)];
if (!frameTypes) {
result = FAILURE;
goto done;
}
memcpy(frameTypes, p_data, FRAME_COUNT(smackTag));
p_data += FRAME_COUNT(smackTag);
treeSize = smackTag->tablesize + 0x1000;
huffmanTrees = new MxU8[treeSize <= 0x2000 ? 0x2000 : treeSize];
if (!huffmanTrees) {
result = FAILURE;
goto done;
}
memcpy(huffmanTrees + 0x1000, p_data, smackTag->tablesize);
p_data += smackTag->tablesize;
sizetables = SmackGetSizeTables();
p_mxSmack->m_huffmanTables =
new MxU8[smackTag->codesize + smackTag->detailsize + smackTag->typesize + smackTag->absize + sizetables];
if (!p_mxSmack->m_huffmanTables) {
result = FAILURE;
goto done;
}
SmackDoTables(
huffmanTrees,
p_mxSmack->m_huffmanTables,
smackTag->codesize,
smackTag->absize,
smackTag->detailsize,
smackTag->typesize
);
size = SmackGetSizeDeltas(smackTag->Width, smackTag->Height) + 32;
p_mxSmack->m_unk0x6b4 = new MxU8[size];
memset(p_mxSmack->m_unk0x6b4, 0, size);
width = p_mxSmack->m_smackTag.Width;
data = (MxU32*) p_mxSmack->m_unk0x6b4;
*data = 1;
data++;
*data = NULL; // MxU8* bitmapData
data++;
*data = smackTag->Width / 4;
data++;
*data = smackTag->Height / 4;
data++;
*data = width - 4;
data++;
*data = width * 3;
data++;
*data = width;
data++;
*data = width * 3 + (width - smackTag->Width);
data++;
data++;
*data = smackTag->Width;
data++;
*data = smackTag->Height;
done:
p_mxSmack->m_frameTypes = frameTypes;
p_mxSmack->m_frameSizes = frameSizes;
p_mxSmack->m_huffmanTrees = huffmanTrees;
return result;
#undef FRAME_COUNT
}
// FUNCTION: LEGO1 0x100c5d40
// FUNCTION: BETA10 0x10152298
void MxSmack::Destroy(MxSmack* p_mxSmack)
{
if (p_mxSmack->m_frameSizes) {
@ -148,13 +157,8 @@ void MxSmack::Destroy(MxSmack* p_mxSmack)
}
}
// This should be refactored to somewhere else
inline MxLong AbsFlipped(MxLong p_value)
{
return p_value > 0 ? p_value : -p_value;
}
// FUNCTION: LEGO1 0x100c5db0
// FUNCTION: BETA10 0x10152391
MxResult MxSmack::LoadFrame(
MxBITMAPINFO* p_bitmapInfo,
MxU8* p_bitmapData,
@ -164,7 +168,7 @@ MxResult MxSmack::LoadFrame(
MxRectList* p_list
)
{
p_bitmapInfo->m_bmiHeader.biHeight = -AbsFlipped(p_bitmapInfo->m_bmiHeader.biHeight);
p_bitmapInfo->m_bmiHeader.biHeight = -MxBitmap::HeightAbs(p_bitmapInfo->m_bmiHeader.biHeight);
*(MxU8**) (p_mxSmack->m_unk0x6b4 + 4) = p_bitmapData;
// Reference: https://wiki.multimedia.cx/index.php/Smacker#Palette_Chunk
@ -228,6 +232,7 @@ MxResult MxSmack::LoadFrame(
}
// FUNCTION: LEGO1 0x100c6050
// FUNCTION: BETA10 0x10152739
MxBool MxSmack::GetRect(MxU8* p_unk0x6b4, MxU16* p_und, u32* p_smackRect, MxRect32* p_rect)
{
u32 left, bottom, top, right;