array(a)
{ }
-void VertexArrayBuilder::vertex_(const Vector4 &ver)
+void VertexArrayBuilder::vertex_(const Vector4 &vtx)
{
float *ptr = array.append();
- for(const unsigned char *c=array.get_format().begin(); c!=array.get_format().end(); ++c)
+ const VertexFormat &format = array.get_format();
+ for(const unsigned char *c=format.begin(); c!=format.end(); ++c)
{
unsigned sz = get_component_size(*c);
unsigned t = get_component_type(*c);
- if(*c==COLOR4_UBYTE)
+ if(t>=attr.size())
+ ptr += sz;
+ else if(*c==COLOR4_UBYTE)
{
union { unsigned char c[4]; float f; } u;
- u.c[0] = static_cast<unsigned char>(col.r*255);
- u.c[1] = static_cast<unsigned char>(col.g*255);
- u.c[2] = static_cast<unsigned char>(col.b*255);
- u.c[3] = static_cast<unsigned char>(col.a*255);
+ u.c[0] = static_cast<unsigned char>(attr[t].x*255);
+ u.c[1] = static_cast<unsigned char>(attr[t].y*255);
+ u.c[2] = static_cast<unsigned char>(attr[t].z*255);
+ u.c[3] = static_cast<unsigned char>(attr[t].w*255);
*ptr++ = u.f;
}
- else if(*c==NORMAL3)
- {
- *ptr++ = nor.x;
- *ptr++ = nor.y;
- *ptr++ = nor.z;
- }
- else if(t==get_component_type(COLOR4_FLOAT))
- {
- *ptr++ = col.r;
- *ptr++ = col.g;
- *ptr++ = col.b;
- if(sz>=4) *ptr++ = col.a;
- }
else
{
- const Vector4 *v = 0;
- if(t==get_component_type(VERTEX3))
- v = &ver;
- else if(*c>=TEXCOORD1 && *c<=TEXCOORD4+12)
- v = &texc[t-get_component_type(TEXCOORD1)];
- else if(*c>=ATTRIB1)
- v = &attr[t-get_component_type(ATTRIB1)];
- else
- v = &attr[t];
- *ptr++ = v->x;
- if(sz>=2) *ptr++ = v->y;
- if(sz>=3) *ptr++ = v->z;
- if(sz>=4) *ptr++ = v->w;
+ const Vector4 &v = (t==0 ? vtx : attr[t]);
+ *ptr++ = v.x;
+ if(sz>=2) *ptr++ = v.y;
+ if(sz>=3) *ptr++ = v.z;
+ if(sz>=4) *ptr++ = v.w;
}
}
}
protected:
Matrix mtx;
- Vector3 nor;
- Color col;
- std::map<unsigned, Vector4> texc;
- std::map<unsigned, Vector4> attr;
+ std::vector<Vector4> attr;
public:
- VertexBuilder(): nor(0, 0, 1) { }
+ VertexBuilder() { normal(0, 0, 1); }
virtual ~VertexBuilder() { }
virtual void vertex_(const Vector4 &) = 0;
public:
+ void attrib(unsigned i, const Vector4 &v)
+ {
+ if(i>=attr.size())
+ attr.resize(i+1);
+ attr[i] = v;
+ }
+
void normal(float x, float y, float z)
{ normal(Vector3(x, y, z)); }
void normal(const Vector3 &n)
- {
- Vector4 tn = mtx*Vector4(n.x, n.y, n.z, 0);
- nor = Vector3(tn.x, tn.y, tn.z);
- }
+ { attrib(get_component_type(NORMAL3), mtx*Vector4(n.x, n.y, n.z, 0)); }
void tangent(float x, float y, float z)
{ tangent(Vector3(x, y, z)); }
void tangent(const Vector3 &t)
- {
- Vector4 tt = mtx*Vector4(t.x, t.y, t.z, 0);
- attrib(get_component_type(TANGENT3), tt);
- }
+ { attrib(get_component_type(TANGENT3), mtx*Vector4(t.x, t.y, t.z, 0)); }
void binormal(float x, float y, float z)
{ binormal(Vector3(x, y, z)); }
void binormal(const Vector3 &b)
- {
- Vector4 tb = mtx*Vector4(b.x, b.y, b.z, 0);
- attrib(get_component_type(BINORMAL3), tb);
- }
+ { attrib(get_component_type(BINORMAL3), mtx*Vector4(b.x, b.y, b.z, 0)); }
void texcoord(float s)
{ texcoord(s, 0, 0, 1); }
{ multitexcoord(i, Vector4(s, t, r, q)); }
void multitexcoord(unsigned i, const Vector4 &t)
- { texc[i] = t; }
+ { attrib(get_component_type(TEXCOORD4)+i, t); }
void color(unsigned char r, unsigned char g, unsigned char b)
{ color(r, g, b, 255); }
{ color(Color(r, g, b, a)); }
void color(const Color &c)
- { col = c; }
+ { attrib(get_component_type(COLOR4_FLOAT), Vector4(c.r, c.g, c.b, c.a)); }
void attrib(unsigned i, float x)
{ attrib(i, x, 0, 0, 1); }
void attrib(unsigned i, float x, float y, float z, float w)
{ attrib(i, Vector4(x, y, z, w)); }
-
- void attrib(unsigned i, const Vector4 &a)
- { attr[i] = a; }
};
} // namespace GL