Files
OpenSpace/modules/globebrowsing/globebrowsingmodule_lua.inl
2018-03-08 05:32:46 -05:00

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11 KiB
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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2018 *
* *
* 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 <modules/globebrowsing/globes/renderableglobe.h>
#include <modules/globebrowsing/geometry/angle.h>
#include <modules/globebrowsing/rendering/layer/layermanager.h>
#include <modules/globebrowsing/rendering/layer/layer.h>
#include <openspace/engine/openspaceengine.h>
#include <openspace/engine/moduleengine.h>
#include <openspace/rendering/renderengine.h>
#include <openspace/rendering/renderable.h>
#include <openspace/scene/scene.h>
#include <openspace/scene/scenegraphnode.h>
#include <openspace/query/query.h>
namespace openspace::globebrowsing::luascriptfunctions {
/**
*Adds a layer to the specified globe.
*/
int addLayer(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 3, "lua::addLayer");
using ghoul::lua::errorLocation;
// Argument locations
const int GlobeLocation = -3;
const int LayerGroupLocation = -2;
// String arguments
const std::string GlobeName = luaL_checkstring(L, GlobeLocation);
const std::string LayerGroupName = luaL_checkstring(L, LayerGroupLocation);
// Get the node and make sure it exists
SceneGraphNode* node = OsEng.renderEngine().scene()->sceneGraphNode(GlobeName);
if (!node) {
return luaL_error(L, ("Unknown globe name: " + GlobeName).c_str());
}
// Get the renderable globe
RenderableGlobe* globe = dynamic_cast<RenderableGlobe*>(node->renderable());
if (!globe) {
return luaL_error(L, ("Renderable is not a globe: " + GlobeName).c_str());
}
// Get the layer group
layergroupid::GroupID groupID = layergroupid::getGroupIDFromName(LayerGroupName);
if (groupID == layergroupid::GroupID::Unknown) {
return luaL_error(L, ("Unknown layer group: " + LayerGroupName).c_str());
}
// Get the dictionary defining the layer
ghoul::Dictionary d;
try {
ghoul::lua::luaDictionaryFromState(L, d);
}
catch (const ghoul::lua::LuaFormatException& e) {
LERRORC("addLayerFromDictionary", e.what());
lua_settop(L, 0);
return 0;
}
lua_settop(L, 0);
std::shared_ptr<Layer> layer = globe->layerManager()->addLayer(groupID, d);
if (layer) {
layer->initialize();
}
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
return 0;
}
/**
Deletes a layer from the specified globe.
*/
int deleteLayer(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 3, "lua::deleteLayer");
using ghoul::lua::errorLocation;
// Argument locations
const int GlobeLocation = -3;
const int LayerGroupLocation = -2;
const int NameLocation = -1;
// String arguments
const std::string GlobeName = luaL_checkstring(L, GlobeLocation);
const std::string LayerGroupName = luaL_checkstring(L, LayerGroupLocation);
const std::string LayerName = luaL_checkstring(L, NameLocation);
lua_settop(L, 0);
// Get the node and make sure it exists
SceneGraphNode* node = OsEng.renderEngine().scene()->sceneGraphNode(GlobeName);
if (!node) {
return luaL_error(L, ("Unknown globe name: " + GlobeName).c_str());
}
// Get the renderable globe
RenderableGlobe* globe = dynamic_cast<RenderableGlobe*>(node->renderable());
if (!globe) {
return luaL_error(L, ("Renderable is not a globe: " + GlobeName).c_str());
}
// Get the layer group
layergroupid::GroupID groupID = layergroupid::getGroupIDFromName(LayerGroupName);
if (groupID == layergroupid::GroupID::Unknown) {
return luaL_error(L, ("Unknown layer group: " + LayerGroupName).c_str());
}
globe->layerManager()->deleteLayer(groupID, LayerName);
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
return 0;
}
int goToChunk(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 3, "lua::goToChunk");
using ghoul::lua::luaTypeToString;
int x = static_cast<int>(lua_tonumber(L, 1));
int y = static_cast<int>(lua_tonumber(L, 2));
int level = static_cast<int>(lua_tonumber(L, 3));
lua_settop(L, 0);
OsEng.moduleEngine().module<GlobeBrowsingModule>()->goToChunk(x, y, level);
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
return 0;
}
int goToGeo(lua_State* L) {
int nArguments = ghoul::lua::checkArgumentsAndThrow(L, 2, 3, "lua::goToGeo");
using ghoul::lua::luaTypeToString;
double latitude = lua_tonumber(L, 1);
double longitude = lua_tonumber(L, 2);
if (nArguments == 2) {
OsEng.moduleEngine().module<GlobeBrowsingModule>()->goToGeo(latitude, longitude);
}
else if (nArguments == 3) {
double altitude = static_cast<int>(lua_tonumber(L, 3));
OsEng.moduleEngine().module<GlobeBrowsingModule>()->goToGeo(latitude, longitude,
altitude);
}
lua_settop(L, 0);
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
return 0;
}
int getGeoPosition(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 4, "lua::getGeoPosition");
std::string name = luaL_checkstring(L, 1);
double latitude = lua_tonumber(L, 2);
double longitude = lua_tonumber(L, 3);
double altitude = lua_tonumber(L, 4);
lua_settop(L, 0);
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
SceneGraphNode* n = sceneGraphNode(name);
Renderable* r = n->renderable();
RenderableGlobe* g = dynamic_cast<RenderableGlobe*>(r);
if (!g) {
return luaL_error(L, "Name must be a RenderableGlobe");
}
GlobeBrowsingModule& mod = *(OsEng.moduleEngine().module<GlobeBrowsingModule>());
glm::vec3 pos = mod.cartesianCoordinatesFromGeo(
*g,
latitude,
longitude,
altitude
);
lua_pushnumber(L, pos.x);
lua_pushnumber(L, pos.y);
lua_pushnumber(L, pos.z);
return 3;
}
int getGeoPositionForCamera(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 0, "lua::getGeoPositionForCamera");
GlobeBrowsingModule* module = OsEng.moduleEngine().module<GlobeBrowsingModule>();
RenderableGlobe* globe = module->castFocusNodeRenderableToGlobe();
if (!globe) {
return luaL_error(L, "Focus node must be a RenderableGlobe");
}
glm::dvec3 cameraPosition = OsEng.navigationHandler().camera()->positionVec3();
glm::dmat4 inverseModelTransform =
OsEng.navigationHandler().focusNode()->inverseModelTransform();
glm::dvec3 cameraPositionModelSpace =
glm::dvec3(inverseModelTransform * glm::dvec4(cameraPosition, 1.0));
SurfacePositionHandle posHandle = globe->calculateSurfacePositionHandle(
cameraPositionModelSpace);
Geodetic2 geo2 = globe->ellipsoid().cartesianToGeodetic2(
posHandle.centerToReferenceSurface
);
double altitude = glm::length(cameraPositionModelSpace -
posHandle.centerToReferenceSurface);
lua_settop(L, 0);
lua_pushnumber(L, Angle<double>::fromRadians(geo2.lat).asDegrees());
lua_pushnumber(L, Angle<double>::fromRadians(geo2.lon).asDegrees());
lua_pushnumber(L, altitude);
ghoul_assert(lua_gettop(L) == 3, "Incorrect number of items left on stack");
return 3;
}
#ifdef GLOBEBROWSING_USE_GDAL
int loadWMSCapabilities(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 3, "lua::loadWMSCapabilities");
std::string url = ghoul::lua::checkStringAndPop(L);
std::string globe = ghoul::lua::checkStringAndPop(L);
std::string name = ghoul::lua::checkStringAndPop(L);
OsEng.moduleEngine().module<GlobeBrowsingModule>()->loadWMSCapabilities(
std::move(name),
std::move(globe),
std::move(url)
);
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
return 0;
}
int removeWMSServer(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 1, "lua::removeWMSServer");
std::string name = ghoul::lua::checkStringAndPop(L);
OsEng.moduleEngine().module<GlobeBrowsingModule>()->removeWMSServer(name);
ghoul_assert(lua_gettop(L) == 0, "Incorrect number of items left on stack");
return 0;
}
int capabilities(lua_State* L) {
ghoul::lua::checkArgumentsAndThrow(L, 1, "lua::capabilities");
std::string name = ghoul::lua::checkStringAndPop(L);
GlobeBrowsingModule::Capabilities cap =
OsEng.moduleEngine().module<GlobeBrowsingModule>()->capabilities(name);
lua_settop(L, 0);
lua_newtable(L);
for (unsigned long i = 0; i < cap.size(); ++i) {
const GlobeBrowsingModule::Layer& l = cap[i];
lua_newtable(L);
lua_pushstring(L, "Name");
lua_pushstring(L, l.name.c_str());
lua_settable(L, -3);
lua_pushstring(L, "URL");
lua_pushstring(L, l.url.c_str());
lua_settable(L, -3);
lua_rawseti(L, -2, i + 1);
}
ghoul_assert(lua_gettop(L) == 1, "Incorrect number of items left on stack");
return 1;
}
#endif // GLOBEBROWSING_USE_GDAL
} // namespace openspace::globebrowsing::luascriptfunctions