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All vertex component arguments to Mesh:setVertex and Mesh:setVertexAttribute are now optional rather than required. Float vertex components default to 0, and byte components default to 255.

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This commit is contained in:
Alex Szpakowski
2015-06-21 11:47:56 -03:00
parent c82ccbb89b
commit 0583ebe470
2 changed files with 30 additions and 15 deletions
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src/modules/graphics/opengl/wrap_Mesh.cpp
+15 -7
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@@ -39,14 +39,22 @@ Mesh *luax_checkmesh(lua_State *L, int idx)
return luax_checktype<Mesh>(L, idx, GRAPHICS_MESH_ID);
}
template <typename T>
static inline size_t writeData(lua_State *L, int startidx, int components, char *data)
static inline size_t writeByteData(lua_State *L, int startidx, int components, char *data)
{
T *componentdata = (T *) data;
uint8 *componentdata = (uint8 *) data;
for (int i = 0; i < components; i++)
componentdata[i] = (T) luaL_checknumber(L, startidx + i);
componentdata[i] = (uint8) luaL_optnumber(L, startidx + i, 255);
return sizeof(T) * components;
return sizeof(uint8) * components;
}
static inline size_t writeFloatData(lua_State *L, int startidx, int components, char *data)
{
float *componentdata = (float *) data;
for (int i = 0; i < components; i++)
componentdata[i] = (float) luaL_optnumber(L, startidx + i, 0);
return sizeof(float) * components;
}
static inline char *writeAttributeData(lua_State *L, int startidx, Mesh::DataType type, int components, char *data)
@@ -54,9 +62,9 @@ static inline char *writeAttributeData(lua_State *L, int startidx, Mesh::DataTyp
switch (type)
{
case Mesh::DATA_BYTE:
return data + writeData<uint8>(L, startidx, components, data);
return data + writeByteData(L, startidx, components, data);
case Mesh::DATA_FLOAT:
return data + writeData<float>(L, startidx, components, data);
return data + writeFloatData(L, startidx, components, data);
default:
return data;
}