Files
OpenSpace/src/properties/vector/dvec4property.cpp

118 lines
8.3 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <openspace/properties/vector/dvec4property.h>
#include <ghoul/lua/ghoul_lua.h>
#include <ghoul/glm.h>
#include <ghoul/misc/misc.h>
#include <limits>
using std::numeric_limits;
namespace openspace {
namespace properties {
#define DEFAULT_FROM_LUA_LAMBDA(__TYPE__, __CONVFUNC__, __TESTFUNC__) \
[](lua_State * state, bool& success) -> __TYPE__ { \
__TYPE__ result; \
lua_pushnil(state); \
for (glm::length_t i = 0; i < ghoul::glm_components<__TYPE__>::value; ++i) { \
int success = lua_next(state, -2); \
if (success != 1) { \
success = false; \
return __TYPE__(0); \
} \
if (__TESTFUNC__(state, -1) != 1) { \
success = false; \
return __TYPE__(0); \
} else { \
result[i] = static_cast<__TYPE__::value_type>(__CONVFUNC__(state, -1)); \
lua_pop(state, 1); \
} \
} \
success = true; \
return result; \
}
#define DEFAULT_TO_LUA_LAMBDA(__TYPE__) \
[](lua_State * state, __TYPE__ value) -> bool { \
lua_newtable(state); \
int number = 1; \
for (glm::length_t i = 0; i < ghoul::glm_components<__TYPE__>::value; ++i) { \
lua_pushnumber(state, static_cast<lua_Number>(value[i])); \
lua_setfield(state, -2, std::to_string(number).c_str()); \
++number; \
} \
return true; \
}
#define DEFAULT_FROM_STRING_LAMBDA(__TYPE__) \
[](std::string value, bool& success) -> __TYPE__ { \
__TYPE__ result; \
std::vector<std::string> tokens = ghoul::tokenizeString(value, ','); \
if (tokens.size() != result.length()) { \
success = false; \
return result; \
} \
for (glm::length_t i = 0; i < ghoul::glm_components<__TYPE__>::value; ++i) { \
std::stringstream s(tokens[i]); \
__TYPE__::value_type v; \
s >> v; \
if (s.fail()) { \
success = false; \
return result; \
} \
else \
result[i] = v; \
} \
success = true; \
return result; \
}
#define DEFAULT_TO_STRING_LAMBDA(__TYPE__) \
[](std::string& outValue, __TYPE__ inValue) -> bool { \
outValue = "{"; \
for (glm::length_t i = 0; i < ghoul::glm_components<__TYPE__>::value; ++i) \
outValue += std::to_string(inValue[i]) + ","; \
outValue.pop_back(); \
outValue += "}"; \
return true; \
}
REGISTER_NUMERICALPROPERTY_SOURCE(DVec4Property, glm::dvec4, glm::dvec4(0),
glm::dvec4(numeric_limits<double>::lowest()),
glm::dvec4(numeric_limits<double>::max()),
glm::dvec4(0.01),
DEFAULT_FROM_LUA_LAMBDA(glm::dvec4, lua_tonumber,
lua_isnumber),
DEFAULT_TO_LUA_LAMBDA(glm::dvec4),
DEFAULT_FROM_STRING_LAMBDA(glm::dvec4),
DEFAULT_TO_STRING_LAMBDA(glm::dvec4),
LUA_TTABLE);
} // namespace properties
} // namespace openspace