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Diffstat (limited to 'indra/newview/llpathfindingmanager.cpp')
| -rw-r--r-- | indra/newview/llpathfindingmanager.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/indra/newview/llpathfindingmanager.cpp b/indra/newview/llpathfindingmanager.cpp new file mode 100644 index 0000000000..e46ec0e171 --- /dev/null +++ b/indra/newview/llpathfindingmanager.cpp @@ -0,0 +1,181 @@ +/**
+ * @file llpathfindingmanager.cpp
+ * @author William Todd Stinson
+ * @brief A state manager for the various pathfinding states.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#include <string>
+
+#include <boost/function.hpp>
+
+#include "llviewerprecompiledheaders.h"
+#include "llpathfindingmanager.h"
+#include "llsingleton.h"
+#include "llhttpclient.h"
+#include "llagent.h"
+#include "llviewerregion.h"
+
+#define CAP_SERVICE_RETRIEVE_NAVMESH "RetrieveNavMeshSrc"
+
+#define CAP_SERVICE_AGENT_STATE "AgentPreferences"
+#define ALTER_PERMANENT_OBJECTS_FIELD "alter_permanent_objects"
+
+//---------------------------------------------------------------------------
+// AgentStateResponder
+//---------------------------------------------------------------------------
+
+class AgentStateResponder : public LLHTTPClient::Responder
+{
+public:
+ AgentStateResponder(LLPathfindingManager::agent_state_callback_t pAgentStateCB, const std::string &pCapabilityURL);
+ virtual ~AgentStateResponder();
+
+ virtual void result(const LLSD &pContent);
+ virtual void error(U32 pStatus, const std::string& pReason);
+
+protected:
+
+private:
+ LLPathfindingManager::agent_state_callback_t mAgentStateCB;
+ std::string mCapabilityURL;
+};
+
+//---------------------------------------------------------------------------
+// LLPathfindingManager
+//---------------------------------------------------------------------------
+
+LLPathfindingManager::LLPathfindingManager()
+{
+}
+
+LLPathfindingManager::~LLPathfindingManager()
+{
+}
+
+bool LLPathfindingManager::isPathfindingEnabledForCurrentRegion() const
+{
+ std::string retrieveNavMeshURL = getRetrieveNavMeshURLForCurrentRegion();
+ return !retrieveNavMeshURL.empty();
+}
+
+void LLPathfindingManager::requestGetAgentState(agent_state_callback_t pAgentStateCB) const
+{
+ std::string agentStateURL = getAgentStateURLForCurrentRegion();
+
+ if (agentStateURL.empty())
+ {
+ pAgentStateCB(kAgentStateError);
+ }
+ else
+ {
+ LLHTTPClient::ResponderPtr responder = new AgentStateResponder(pAgentStateCB, agentStateURL);
+ LLHTTPClient::get(agentStateURL, responder);
+ }
+}
+
+void LLPathfindingManager::requestSetAgentState(EAgentState pAgentState, agent_state_callback_t pAgentStateCB) const
+{
+ std::string agentStateURL = getAgentStateURLForCurrentRegion();
+
+ if (agentStateURL.empty())
+ {
+ pAgentStateCB(kAgentStateError);
+ }
+ else
+ {
+ LLSD request;
+ request[ALTER_PERMANENT_OBJECTS_FIELD] = static_cast<LLSD::Boolean>(pAgentState == kAgentStateUnfrozen);
+
+ LLHTTPClient::ResponderPtr responder = new AgentStateResponder(pAgentStateCB, agentStateURL);
+ LLHTTPClient::post(agentStateURL, request, responder);
+ }
+}
+
+void LLPathfindingManager::handleAgentStateResult(const LLSD &pContent, agent_state_callback_t pAgentStateCB) const
+{
+ llassert(pContent.has(ALTER_PERMANENT_OBJECTS_FIELD));
+ llassert(pContent.get(ALTER_PERMANENT_OBJECTS_FIELD).isBoolean());
+ EAgentState agentState = (pContent.get(ALTER_PERMANENT_OBJECTS_FIELD).asBoolean() ? kAgentStateUnfrozen : kAgentStateFrozen);
+
+ pAgentStateCB(agentState);
+}
+
+void LLPathfindingManager::handleAgentStateError(U32 pStatus, const std::string &pReason, const std::string &pURL, agent_state_callback_t pAgentStateCB) const
+{
+ llwarns << "error with request to URL '" << pURL << "' because " << pReason << " (statusCode:" << pStatus << ")" << llendl;
+ pAgentStateCB(kAgentStateError);
+}
+
+std::string LLPathfindingManager::getRetrieveNavMeshURLForCurrentRegion() const
+{
+ return getCapabilityURLForCurrentRegion(CAP_SERVICE_RETRIEVE_NAVMESH);
+}
+
+std::string LLPathfindingManager::getAgentStateURLForCurrentRegion() const
+{
+ return getCapabilityURLForCurrentRegion(CAP_SERVICE_AGENT_STATE);
+}
+
+std::string LLPathfindingManager::getCapabilityURLForCurrentRegion(const std::string &pCapabilityName) const
+{
+ std::string capabilityURL("");
+
+ LLViewerRegion* region = gAgent.getRegion();
+ if (region != NULL)
+ {
+ capabilityURL = region->getCapability(pCapabilityName);
+ }
+
+ if (capabilityURL.empty())
+ {
+ llwarns << "cannot find capability '" << pCapabilityName << "' for current region '"
+ << ((region != NULL) ? region->getName() : "<null>") << "'" << llendl;
+ }
+
+ return capabilityURL;
+}
+
+//---------------------------------------------------------------------------
+// AgentStateResponder
+//---------------------------------------------------------------------------
+
+AgentStateResponder::AgentStateResponder(LLPathfindingManager::agent_state_callback_t pAgentStateCB, const std::string &pCapabilityURL)
+ : mAgentStateCB(pAgentStateCB),
+ mCapabilityURL(pCapabilityURL)
+{
+}
+
+AgentStateResponder::~AgentStateResponder()
+{
+}
+
+void AgentStateResponder::result(const LLSD &pContent)
+{
+ LLPathfindingManager::getInstance()->handleAgentStateResult(pContent, mAgentStateCB);
+}
+
+void AgentStateResponder::error(U32 pStatus, const std::string &pReason)
+{
+ LLPathfindingManager::getInstance()->handleAgentStateError(pStatus, pReason, mCapabilityURL, mAgentStateCB);
+}
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