-#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;
}
+VertexFormat VertexFormat::operator,(VertexComponent c) const
+{
+ VertexFormat r = *this;
+ if(r.data)
+ {
+ const unsigned char n = ++r.data[0];
+ if((n&7)==0)
+ {
+ unsigned char *newdt = new unsigned char[n+8];
+ copy(r.data, r.data+n, newdt);
+ delete r.data;
+ r.data = newdt;
+ }
+ r.data[n] = c;
+ }
+ else
+ {
+ r.data = new unsigned char[8];
+ r.data[0] = 1;
+ r.data[1] = c;
+ }
+
+ return r;
+}
+
+VertexFormat VertexFormat::operator,(unsigned i) const
+{
+ if(!data)
+ throw invalid_operation("VertexFormat::operator,");
+ VertexFormat r = *this;
+ unsigned char *c = r.data+r.data[0];
+ *c = make_indexed_component(static_cast<VertexComponent>(*c), i);
+
+ return r;
+}
+
unsigned VertexFormat::stride() const
{
unsigned s = 0;
return s;
}
-int VertexFormat::offset(VertexComponent comp, unsigned index) const
+int VertexFormat::offset(VertexComponent comp) 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 type = get_component_type(comp);
unsigned size = get_component_size(comp);
unsigned offs = 0;
for(const unsigned char *i=begin(); i!=end(); ++i)
return -1;
}
-VertexFormat operator,(const VertexFormat &f, VertexComponent c)
+VertexComponent make_indexed_component(VertexComponent comp, unsigned index)
{
- VertexFormat r = f;
- if(r.data)
+ if(comp>=TEXCOORD1 && comp<=TEXCOORD4)
{
- const unsigned char n = ++r.data[0];
- if((n&7)==7)
- {
- unsigned char *newdt = new unsigned char[n+9];
- memcpy(newdt, r.data, n);
- delete r.data;
- r.data = newdt;
- }
- r.data[n] = c;
+ if(index>=4)
+ throw out_of_range("make_indexed_component");
}
- else
+ else if(comp>=ATTRIB1 && comp<=ATTRIB4)
{
- r.data = new unsigned char[8];
- r.data[0] = 1;
- r.data[1] = c;
+ if(index>=53)
+ throw out_of_range("make_indexed_component");
}
-
- return r;
-}
-
-VertexFormat operator,(const VertexFormat &f, unsigned i)
-{
- if(!f.data)
- throw invalid_operation("VertexFormat::operator,");
- VertexFormat r = f;
- unsigned char *c = r.data+r.data[0];
- if((*c<TEXCOORD1 && i>0) || (*c<ATTRIB1 && i>=8) || i>=53)
- throw invalid_argument("VertexFormat::operator,");
- *c += i*4;
-
- return r;
+ else
+ throw invalid_argument("make_indexed_component");
+ return static_cast<VertexComponent>(comp+index*4);
}
void operator>>(const LexicalConverter &conv, VertexComponent &c)