int MeshBinder::getVertexArraySize(lua_State *L)
{
Binder binder(L);
GMesh *mesh = static_cast<GMesh*>(binder.getInstance("Mesh", 1));
lua_pushinteger(L, mesh->getVertexArraySize());
return 1;
}
int MeshBinder::getIndex(lua_State *L)
{
Binder binder(L);
GMesh *mesh = static_cast<GMesh*>(binder.getInstance("Mesh", 1));
int i = luaL_checkinteger(L, 2) - 1;
if (i < 0 || i >= mesh->getVertexArraySize())
return luaL_error(L, "The supplied index is out of bounds.");
unsigned short index;
mesh->getIndex(i, &index);
lua_pushinteger(L, (int)index + 1);
return 1;
}
int MeshBinder::getTextureCoordinate(lua_State *L)
{
Binder binder(L);
GMesh *mesh = static_cast<GMesh*>(binder.getInstance("Mesh", 1));
int i = luaL_checkinteger(L, 2) - 1;
if (i < 0 || i >= mesh->getVertexArraySize())
return luaL_error(L, "The supplied index is out of bounds.");
float u, v;
mesh->getTextureCoordinate(i, &u, &v);
lua_pushnumber(L, u);
lua_pushnumber(L, v);
return 2;
}
int MeshBinder::getColor(lua_State *L)
{
Binder binder(L);
GMesh *mesh = static_cast<GMesh*>(binder.getInstance("Mesh", 1));
int i = luaL_checkinteger(L, 2) - 1;
if (i < 0 || i >= mesh->getVertexArraySize())
return luaL_error(L, "The supplied index is out of bounds.");
unsigned int color;
float alpha;
mesh->getColor(i, &color, &alpha);
lua_pushinteger(L, color);
lua_pushnumber(L, alpha);
return 2;
}
int MeshBinder::getVertex(lua_State *L)
{
Binder binder(L);
GMesh *mesh = static_cast<GMesh*>(binder.getInstance("Mesh", 1));
int i = luaL_checkinteger(L, 2) - 1;
if (i < 0 || i >= mesh->getVertexArraySize())
return luaL_error(L, "The supplied index is out of bounds.");
int order=mesh->is3d()?3:2;
float x, y, z;
mesh->getVertex(i, &x, &y, &z);
lua_pushnumber(L, x);
lua_pushnumber(L, y);
if (order==3)
lua_pushnumber(L, z);
return order;
}