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milek7/sim branch network code import

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This commit is contained in:
tmj-fstate
2020-02-16 03:03:17 +01:00
parent 2ce3091e8f
commit 7a0c89f508
56 changed files with 2609 additions and 426 deletions
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41
sn_utils.cpp
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@@ -38,6 +38,18 @@ int32_t sn_utils::ld_int32(std::istream &s)
return reinterpret_cast<int32_t&>(v);
}
// deserialize little endian int64
int64_t sn_utils::ld_int64(std::istream &s)
{
uint8_t buf[8];
s.read((char*)buf, 8);
uint64_t v = ((uint64_t)buf[7] << 56) | ((uint64_t)buf[6] << 48) |
((uint64_t)buf[5] << 40) | ((uint64_t)buf[4] << 32) |
((uint64_t)buf[3] << 24) | ((uint64_t)buf[2] << 16) |
((uint64_t)buf[1] << 8) | (uint64_t)buf[0];
return reinterpret_cast<int64_t&>(v);
}
// deserialize little endian ieee754 float32
float sn_utils::ld_float32(std::istream &s)
{
@@ -88,6 +100,14 @@ glm::dvec3 sn_utils::d_dvec3(std::istream& s)
ld_float64(s) };
}
glm::vec3 sn_utils::d_vec3( std::istream& s)
{
return {
ld_float32(s),
ld_float32(s),
ld_float32(s) };
}
glm::vec4 sn_utils::d_vec4( std::istream& s)
{
return {
@@ -125,6 +145,20 @@ void sn_utils::ls_int32(std::ostream &s, int32_t v)
s.write((char*)buf, 4);
}
void sn_utils::ls_int64(std::ostream &s, int64_t v)
{
uint8_t buf[8];
buf[0] = v;
buf[1] = v >> 8;
buf[2] = v >> 16;
buf[3] = v >> 24;
buf[4] = v >> 32;
buf[5] = v >> 40;
buf[6] = v >> 48;
buf[7] = v >> 56;
s.write((char*)buf, 8);
}
void sn_utils::ls_float32(std::ostream &s, float t)
{
uint32_t v = reinterpret_cast<uint32_t&>(t);
@@ -173,6 +207,13 @@ void sn_utils::s_dvec3(std::ostream &s, glm::dvec3 const &v)
ls_float64(s, v.z);
}
void sn_utils::s_vec3(std::ostream &s, glm::vec3 const &v)
{
ls_float32(s, v.x);
ls_float32(s, v.y);
ls_float32(s, v.z);
}
void sn_utils::s_vec4(std::ostream &s, glm::vec4 const &v)
{
ls_float32(s, v.x);