-#include <cstring>
+#include <algorithm>
#include <msp/strings/format.h>
#include <msp/strings/lexicalcast.h>
#include <msp/strings/utils.h>
VertexFormat::VertexFormat(const VertexFormat &f):
data(0)
{
- if(f.data)
- {
- data = new unsigned char[(f.data[0]&~7)+8];
- memcpy(data, f.data, f.data[0]+1);
- }
+ *this = f;
}
VertexFormat &VertexFormat::operator=(const VertexFormat &f)
if(f.data)
{
data = new unsigned char[(f.data[0]&~7)+8];
- memcpy(data, f.data, f.data[0]+1);
+ copy(f.data, f.data+f.data[0]+1, data);
}
else
data = 0;
delete[] data;
}
-unsigned VertexFormat::stride() const
-{
- unsigned s = 0;
- for(const unsigned char *i=begin(); i!=end(); ++i)
- s += (*i&3)+1;
- return s;
-}
-
-int VertexFormat::offset(VertexComponent comp, unsigned index) const
-{
- if((comp<TEXCOORD1 && index>0) || (comp<ATTRIB1 && index>=8) || index>=53)
- throw out_of_range("VertexFormat::offset");
-
- unsigned type = (comp>>2)+index;
- unsigned size = comp&3;
- unsigned offs = 0;
- for(const unsigned char *i=begin(); i!=end(); ++i)
- {
- if(static_cast<unsigned>(*i>>2)==type)
- {
- if((*i&3)>=size)
- return offs;
- else
- return -1;
- }
- else
- offs += (*i&3)+1;
- }
-
- return -1;
-}
-
-VertexFormat operator,(const VertexFormat &f, VertexComponent c)
+VertexFormat VertexFormat::operator,(VertexComponent c) const
{
- VertexFormat r = f;
+ VertexFormat r = *this;
if(r.data)
{
const unsigned char n = ++r.data[0];
- if((n&7)==7)
+ if((n&7)==0)
{
- unsigned char *newdt = new unsigned char[n+9];
- memcpy(newdt, r.data, n);
+ unsigned char *newdt = new unsigned char[n+8];
+ copy(r.data, r.data+n, newdt);
delete r.data;
r.data = newdt;
}
return r;
}
-VertexFormat operator,(const VertexFormat &f, unsigned i)
+VertexFormat VertexFormat::operator,(unsigned i) const
{
- if(!f.data)
+ if(!data)
throw invalid_operation("VertexFormat::operator,");
- VertexFormat r = f;
+ VertexFormat r = *this;
unsigned char *c = r.data+r.data[0];
if((*c<TEXCOORD1 && i>0) || (*c<ATTRIB1 && i>=8) || i>=53)
throw invalid_argument("VertexFormat::operator,");
return r;
}
+unsigned VertexFormat::stride() const
+{
+ unsigned s = 0;
+ for(const unsigned char *i=begin(); i!=end(); ++i)
+ s += get_component_size(*i);
+ return s;
+}
+
+int VertexFormat::offset(VertexComponent comp, unsigned index) const
+{
+ if((comp<TEXCOORD1 && index>0) || (comp<ATTRIB1 && index>=8) || index>=53)
+ throw out_of_range("VertexFormat::offset");
+
+ unsigned type = get_component_type(comp)+index;
+ unsigned size = get_component_size(comp);
+ unsigned offs = 0;
+ for(const unsigned char *i=begin(); i!=end(); ++i)
+ {
+ if(get_component_type(*i)==type)
+ {
+ if(get_component_size(*i)>=size)
+ return offs;
+ else
+ return -1;
+ }
+ else
+ offs += get_component_size(*i);
+ }
+
+ return -1;
+}
+
void operator>>(const LexicalConverter &conv, VertexComponent &c)
{
const string &str = conv.get();