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Add AudioGroup pool reading

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This commit is contained in:
Jack Andersen
2016-05-04 20:39:18 -10:00
parent 3510c0a2e8
commit fa66632b7c
4 changed files with 165 additions and 0 deletions
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83
lib/AudioGroupPool.cpp
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@@ -0,0 +1,83 @@
#include "amuse/AudioGroupPool.hpp"
#include "amuse/Common.hpp"
namespace amuse
{
struct Header
{
uint32_t soundMacrosOffset;
uint32_t tablesOffset;
uint32_t keymapsOffset;
uint32_t layersOffset;
void swapBig()
{
soundMacrosOffset = SBig(soundMacrosOffset);
tablesOffset = SBig(tablesOffset);
keymapsOffset = SBig(keymapsOffset);
layersOffset = SBig(layersOffset);
}
};
AudioGroupPool::AudioGroupPool(const unsigned char* data)
{
Header head = *reinterpret_cast<const Header*>(data);
head.swapBig();
if (head.soundMacrosOffset)
{
const unsigned char* cur = data + head.soundMacrosOffset;
while (*reinterpret_cast<const uint32_t*>(cur) != 0xffffffff)
{
uint32_t size = SBig(*reinterpret_cast<const uint32_t*>(cur));
uint16_t id = SBig(*reinterpret_cast<const uint16_t*>(cur + 4));
m_soundMacros[id] = cur + 8;
cur += size;
}
}
if (head.tablesOffset)
{
const unsigned char* cur = data + head.tablesOffset;
while (*reinterpret_cast<const uint32_t*>(cur) != 0xffffffff)
{
uint32_t size = SBig(*reinterpret_cast<const uint32_t*>(cur));
uint16_t id = SBig(*reinterpret_cast<const uint16_t*>(cur + 4));
m_tables[id] = cur + 8;
cur += size;
}
}
if (head.keymapsOffset)
{
const unsigned char* cur = data + head.keymapsOffset;
while (*reinterpret_cast<const uint32_t*>(cur) != 0xffffffff)
{
uint32_t size = SBig(*reinterpret_cast<const uint32_t*>(cur));
uint16_t id = SBig(*reinterpret_cast<const uint16_t*>(cur + 4));
m_keymaps[id] = reinterpret_cast<const Keymap*>(cur + 8);
cur += size;
}
}
if (head.layersOffset)
{
const unsigned char* cur = data + head.layersOffset;
while (*reinterpret_cast<const uint32_t*>(cur) != 0xffffffff)
{
uint32_t size = SBig(*reinterpret_cast<const uint32_t*>(cur));
uint16_t id = SBig(*reinterpret_cast<const uint16_t*>(cur + 4));
std::vector<const LayerMapping*>& mappingsOut = m_layers[id];
uint32_t count = SBig(*reinterpret_cast<const uint32_t*>(cur+8));
mappingsOut.reserve(count);
const unsigned char* subcur = cur + 12;
for (int i=0 ; i<count ; ++i)
mappingsOut.push_back(reinterpret_cast<const LayerMapping*>(subcur + i * 12));
cur += size;
}
}
}
}