Add cancel button to password change menu. (#5720)
[oweals/minetest.git] / src / pathfinder.cpp
index cfbadd1e5db60d12dd7f18c6b45734b1546fea2e..16c5678ee36ad429a861427e6a0ac79f481d24e7 100644 (file)
@@ -23,10 +23,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /******************************************************************************/
 
 #include "pathfinder.h"
-#include "environment.h"
-#include "map.h"
-#include "log.h"
-#include "irr_aabb3d.h"
+#include "serverenvironment.h"
+#include "server.h"
+#include "nodedef.h"
 
 //#define PATHFINDER_DEBUG
 //#define PATHFINDER_CALC_TIME
@@ -45,9 +44,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /* Typedefs and macros                                                        */
 /******************************************************************************/
 
-/** shortcut to print a 3d pos */
-#define PPOS(pos) "(" << pos.X << "," << pos.Y << "," << pos.Z << ")"
-
 #define LVL "(" << level << ")" <<
 
 #ifdef PATHFINDER_DEBUG
@@ -59,7 +55,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define DEBUG_OUT(a)     while(0)
 #define INFO_TARGET      infostream << "Pathfinder: "
 #define VERBOSE_TARGET   verbosestream << "Pathfinder: "
-#define ERROR_TARGET     errorstream << "Pathfinder: "
+#define ERROR_TARGET     warningstream << "Pathfinder: "
 #endif
 
 /******************************************************************************/
@@ -115,7 +111,7 @@ public:
         * @param dir direction to set cost for
         * @cost cost to set
         */
-       void      setCost(v3s16 dir, PathCost cost);
+       void      setCost(v3s16 dir, const PathCost &cost);
 
        bool      valid;               /**< node is on surface                    */
        bool      target;              /**< node is target position               */
@@ -500,7 +496,7 @@ PathCost PathGridnode::getCost(v3s16 dir)
 }
 
 /******************************************************************************/
-void PathGridnode::setCost(v3s16 dir, PathCost cost)
+void PathGridnode::setCost(v3s16 dir, const PathCost &cost)
 {
        if (dir.X > 0) {
                directions[DIR_XP] = cost;
@@ -518,6 +514,7 @@ void PathGridnode::setCost(v3s16 dir, PathCost cost)
 
 void GridNodeContainer::initNode(v3s16 ipos, PathGridnode *p_node)
 {
+       INodeDefManager *ndef = m_pathf->m_env->getGameDef()->ndef();
        PathGridnode &elem = *p_node;
 
        v3s16 realpos = m_pathf->getRealPos(ipos);
@@ -528,26 +525,25 @@ void GridNodeContainer::initNode(v3s16 ipos, PathGridnode *p_node)
 
        if ((current.param0 == CONTENT_IGNORE) ||
                        (below.param0 == CONTENT_IGNORE)) {
-               DEBUG_OUT("Pathfinder: " << PPOS(realpos) <<
+               DEBUG_OUT("Pathfinder: " << PP(realpos) <<
                        " current or below is invalid element" << std::endl);
                if (current.param0 == CONTENT_IGNORE) {
                        elem.type = 'i';
-                       DEBUG_OUT(PPOS(ipos) << ": " << 'i' << std::endl);
+                       DEBUG_OUT(PP(ipos) << ": " << 'i' << std::endl);
                }
                return;
        }
 
        //don't add anything if it isn't an air node
-       if ((current.param0 != CONTENT_AIR) ||
-                               (below.param0 == CONTENT_AIR )) {
-                       DEBUG_OUT("Pathfinder: " << PPOS(realpos)
+       if (ndef->get(current).walkable || !ndef->get(below).walkable) {
+                       DEBUG_OUT("Pathfinder: " << PP(realpos)
                                << " not on surface" << std::endl);
-                       if (current.param0 != CONTENT_AIR) {
+                       if (ndef->get(current).walkable) {
                                elem.type = 's';
-                               DEBUG_OUT(PPOS(ipos) << ": " << 's' << std::endl);
+                               DEBUG_OUT(PP(ipos) << ": " << 's' << std::endl);
                        } else {
                                elem.type = '-';
-                               DEBUG_OUT(PPOS(ipos) << ": " << '-' << std::endl);
+                               DEBUG_OUT(PP(ipos) << ": " << '-' << std::endl);
                        }
                        return;
        }
@@ -555,7 +551,7 @@ void GridNodeContainer::initNode(v3s16 ipos, PathGridnode *p_node)
        elem.valid = true;
        elem.pos   = realpos;
        elem.type  = 'g';
-       DEBUG_OUT(PPOS(ipos) << ": " << 'a' << std::endl);
+       DEBUG_OUT(PP(ipos) << ": " << 'a' << std::endl);
 
        if (m_pathf->m_prefetch) {
                elem.directions[DIR_XP] = m_pathf->calcCost(realpos, v3s16( 1, 0, 0));
@@ -684,14 +680,14 @@ std::vector<v3s16> Pathfinder::getPath(ServerEnvironment *env,
 
        if (!startpos.valid) {
                VERBOSE_TARGET << "invalid startpos" <<
-                               "Index: " << PPOS(StartIndex) <<
-                               "Realpos: " << PPOS(getRealPos(StartIndex)) << std::endl;
+                               "Index: " << PP(StartIndex) <<
+                               "Realpos: " << PP(getRealPos(StartIndex)) << std::endl;
                return retval;
        }
        if (!endpos.valid) {
                VERBOSE_TARGET << "invalid stoppos" <<
-                               "Index: " << PPOS(EndIndex) <<
-                               "Realpos: " << PPOS(getRealPos(EndIndex)) << std::endl;
+                               "Index: " << PP(EndIndex) <<
+                               "Realpos: " << PP(getRealPos(EndIndex)) << std::endl;
                return retval;
        }
 
@@ -798,6 +794,7 @@ v3s16 Pathfinder::getRealPos(v3s16 ipos)
 /******************************************************************************/
 PathCost Pathfinder::calcCost(v3s16 pos, v3s16 dir)
 {
+       INodeDefManager *ndef = m_env->getGameDef()->ndef();
        PathCost retval;
 
        retval.updated = true;
@@ -806,7 +803,7 @@ PathCost Pathfinder::calcCost(v3s16 pos, v3s16 dir)
 
        //check limits
        if (!m_limits.isPointInside(pos2)) {
-               DEBUG_OUT("Pathfinder: " << PPOS(pos2) <<
+               DEBUG_OUT("Pathfinder: " << PP(pos2) <<
                                " no cost -> out of limits" << std::endl);
                return retval;
        }
@@ -816,26 +813,26 @@ PathCost Pathfinder::calcCost(v3s16 pos, v3s16 dir)
        //did we get information about node?
        if (node_at_pos2.param0 == CONTENT_IGNORE ) {
                        VERBOSE_TARGET << "Pathfinder: (1) area at pos: "
-                                       << PPOS(pos2) << " not loaded";
+                                       << PP(pos2) << " not loaded";
                        return retval;
        }
 
-       if (node_at_pos2.param0 == CONTENT_AIR) {
+       if (!ndef->get(node_at_pos2).walkable) {
                MapNode node_below_pos2 =
                                                        m_env->getMap().getNodeNoEx(pos2 + v3s16(0, -1, 0));
 
                //did we get information about node?
                if (node_below_pos2.param0 == CONTENT_IGNORE ) {
                                VERBOSE_TARGET << "Pathfinder: (2) area at pos: "
-                                       << PPOS((pos2 + v3s16(0, -1, 0))) << " not loaded";
+                                       << PP((pos2 + v3s16(0, -1, 0))) << " not loaded";
                                return retval;
                }
 
-               if (node_below_pos2.param0 != CONTENT_AIR) {
+               if (ndef->get(node_below_pos2).walkable) {
                        retval.valid = true;
                        retval.value = 1;
                        retval.direction = 0;
-                       DEBUG_OUT("Pathfinder: "<< PPOS(pos)
+                       DEBUG_OUT("Pathfinder: "<< PP(pos)
                                        << " cost same height found" << std::endl);
                }
                else {
@@ -843,7 +840,7 @@ PathCost Pathfinder::calcCost(v3s16 pos, v3s16 dir)
                        MapNode node_at_pos = m_env->getMap().getNodeNoEx(testpos);
 
                        while ((node_at_pos.param0 != CONTENT_IGNORE) &&
-                                       (node_at_pos.param0 == CONTENT_AIR) &&
+                                       (!ndef->get(node_at_pos).walkable) &&
                                        (testpos.Y > m_limits.MinEdge.Y)) {
                                testpos += v3s16(0, -1, 0);
                                node_at_pos = m_env->getMap().getNodeNoEx(testpos);
@@ -852,7 +849,7 @@ PathCost Pathfinder::calcCost(v3s16 pos, v3s16 dir)
                        //did we find surface?
                        if ((testpos.Y >= m_limits.MinEdge.Y) &&
                                        (node_at_pos.param0 != CONTENT_IGNORE) &&
-                                       (node_at_pos.param0 != CONTENT_AIR)) {
+                                       (ndef->get(node_at_pos).walkable)) {
                                if ((pos2.Y - testpos.Y - 1) <= m_maxdrop) {
                                        retval.valid = true;
                                        retval.value = 2;
@@ -877,7 +874,7 @@ PathCost Pathfinder::calcCost(v3s16 pos, v3s16 dir)
                MapNode node_at_pos = m_env->getMap().getNodeNoEx(testpos);
 
                while ((node_at_pos.param0 != CONTENT_IGNORE) &&
-                               (node_at_pos.param0 != CONTENT_AIR) &&
+                               (ndef->get(node_at_pos).walkable) &&
                                (testpos.Y < m_limits.MaxEdge.Y)) {
                        testpos += v3s16(0, 1, 0);
                        node_at_pos = m_env->getMap().getNodeNoEx(testpos);
@@ -885,7 +882,7 @@ PathCost Pathfinder::calcCost(v3s16 pos, v3s16 dir)
 
                //did we find surface?
                if ((testpos.Y <= m_limits.MaxEdge.Y) &&
-                               (node_at_pos.param0 == CONTENT_AIR)) {
+                               (!ndef->get(node_at_pos).walkable)) {
 
                        if (testpos.Y - pos2.Y <= m_maxjump) {
                                retval.valid = true;
@@ -988,8 +985,8 @@ bool Pathfinder::updateAllCosts(v3s16 ipos,
                                v3s16 ipos2 = ipos + directions[i];
 
                                if (!isValidIndex(ipos2)) {
-                                       DEBUG_OUT(LVL " Pathfinder: " << PPOS(ipos2) <<
-                                               " out of range, max=" << PPOS(m_limits.MaxEdge) << std::endl);
+                                       DEBUG_OUT(LVL " Pathfinder: " << PP(ipos2) <<
+                                               " out of range, max=" << PP(m_limits.MaxEdge) << std::endl);
                                        continue;
                                }
 
@@ -997,7 +994,7 @@ bool Pathfinder::updateAllCosts(v3s16 ipos,
 
                                if (!g_pos2.valid) {
                                        VERBOSE_TARGET << LVL "Pathfinder: no data for new position: "
-                                                                                               << PPOS(ipos2) << std::endl;
+                                                                                               << PP(ipos2) << std::endl;
                                        continue;
                                }
 
@@ -1014,7 +1011,7 @@ bool Pathfinder::updateAllCosts(v3s16 ipos,
                                if ((g_pos2.totalcost < 0) ||
                                                (g_pos2.totalcost > new_cost)) {
                                        DEBUG_OUT(LVL "Pathfinder: updating path at: "<<
-                                                       PPOS(ipos2) << " from: " << g_pos2.totalcost << " to "<<
+                                                       PP(ipos2) << " from: " << g_pos2.totalcost << " to "<<
                                                        new_cost << std::endl);
                                        if (updateAllCosts(ipos2, invert(directions[i]),
                                                                                        new_cost, level)) {
@@ -1024,13 +1021,13 @@ bool Pathfinder::updateAllCosts(v3s16 ipos,
                                else {
                                        DEBUG_OUT(LVL "Pathfinder:"
                                                        " already found shorter path to: "
-                                                       << PPOS(ipos2) << std::endl);
+                                                       << PP(ipos2) << std::endl);
                                }
                        }
                        else {
                                DEBUG_OUT(LVL "Pathfinder:"
                                                " not moving to invalid direction: "
-                                               << PPOS(directions[i]) << std::endl);
+                                               << PP(directions[i]) << std::endl);
                        }
                }
        }
@@ -1144,8 +1141,8 @@ bool Pathfinder::updateCostHeuristic(     v3s16 ipos,
                                v3s16 ipos2 = ipos + direction;
 
                                if (!isValidIndex(ipos2)) {
-                                       DEBUG_OUT(LVL " Pathfinder: " << PPOS(ipos2) <<
-                                               " out of range, max=" << PPOS(m_limits.MaxEdge) << std::endl);
+                                       DEBUG_OUT(LVL " Pathfinder: " << PP(ipos2) <<
+                                               " out of range, max=" << PP(m_limits.MaxEdge) << std::endl);
                                        direction = getDirHeuristic(directions, g_pos);
                                        continue;
                                }
@@ -1154,7 +1151,7 @@ bool Pathfinder::updateCostHeuristic(     v3s16 ipos,
 
                                if (!g_pos2.valid) {
                                        VERBOSE_TARGET << LVL "Pathfinder: no data for new position: "
-                                                                                               << PPOS(ipos2) << std::endl;
+                                                                                               << PP(ipos2) << std::endl;
                                        direction = getDirHeuristic(directions, g_pos);
                                        continue;
                                }
@@ -1168,16 +1165,16 @@ bool Pathfinder::updateCostHeuristic(   v3s16 ipos,
                                                (m_min_target_distance < new_cost)) {
                                        DEBUG_OUT(LVL "Pathfinder:"
                                                        " already longer than best already found path "
-                                                       << PPOS(ipos2) << std::endl);
+                                                       << PP(ipos2) << std::endl);
                                        return false;
                                }
 
                                if ((g_pos2.totalcost < 0) ||
                                                (g_pos2.totalcost > new_cost)) {
                                        DEBUG_OUT(LVL "Pathfinder: updating path at: "<<
-                                                       PPOS(ipos2) << " from: " << g_pos2.totalcost << " to "<<
+                                                       PP(ipos2) << " from: " << g_pos2.totalcost << " to "<<
                                                        new_cost << " srcdir=" <<
-                                                       PPOS(invert(direction))<< std::endl);
+                                                       PP(invert(direction))<< std::endl);
                                        if (updateCostHeuristic(ipos2, invert(direction),
                                                                                        new_cost, level)) {
                                                retval = true;
@@ -1186,19 +1183,19 @@ bool Pathfinder::updateCostHeuristic(   v3s16 ipos,
                                else {
                                        DEBUG_OUT(LVL "Pathfinder:"
                                                        " already found shorter path to: "
-                                                       << PPOS(ipos2) << std::endl);
+                                                       << PP(ipos2) << std::endl);
                                }
                        }
                        else {
                                DEBUG_OUT(LVL "Pathfinder:"
                                                " not moving to invalid direction: "
-                                               << PPOS(direction) << std::endl);
+                                               << PP(direction) << std::endl);
                        }
                }
                else {
                        DEBUG_OUT(LVL "Pathfinder:"
                                                        " skipping srcdir: "
-                                                       << PPOS(direction) << std::endl);
+                                                       << PP(direction) << std::endl);
                }
                direction = getDirHeuristic(directions, g_pos);
        }
@@ -1406,7 +1403,7 @@ void Pathfinder::printPath(std::vector<v3s16> path)
        unsigned int current = 0;
        for (std::vector<v3s16>::iterator i = path.begin();
                        i != path.end(); ++i) {
-               std::cout << std::setw(3) << current << ":" << PPOS((*i)) << std::endl;
+               std::cout << std::setw(3) << current << ":" << PP((*i)) << std::endl;
                current++;
        }
 }