]> git.lizzy.rs Git - minetest.git/blobdiff - src/mapnode.cpp
Custom collision boxes node property.
[minetest.git] / src / mapnode.cpp
index 0513e688c399debf17d235837e5c9eefa911845d..786224240a5e302a6f5cb13ed5b359e26f05d3de 100644 (file)
@@ -25,9 +25,19 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "content_mapnode.h" // For mapnode_translate_*_internal
 #include "serialization.h" // For ser_ver_supported
 #include "util/serialize.h"
+#include "log.h"
 #include <string>
 #include <sstream>
 
+static const Rotation wallmounted_to_rot[] = {
+       ROTATE_0, ROTATE_180, ROTATE_90, ROTATE_270
+};
+
+static const u8 rot_to_wallmounted[] = {
+       2, 4, 3, 5
+};
+
+
 /*
        MapNode
 */
@@ -107,7 +117,7 @@ u8 MapNode::getFaceDir(INodeDefManager *nodemgr) const
 {
        const ContentFeatures &f = nodemgr->get(*this);
        if(f.param_type_2 == CPT2_FACEDIR)
-               return getParam2() & 0x03;
+               return getParam2() & 0x1F;
        return 0;
 }
 
@@ -132,37 +142,162 @@ v3s16 MapNode::getWallMountedDir(INodeDefManager *nodemgr) const
        }
 }
 
+void MapNode::rotateAlongYAxis(INodeDefManager *nodemgr, Rotation rot) {
+       ContentParamType2 cpt2 = nodemgr->get(*this).param_type_2;
+
+       if (cpt2 == CPT2_FACEDIR) {
+               u8 newrot = param2 & 3;
+               param2 &= ~3;
+               param2 |= (newrot + rot) & 3;
+       } else if (cpt2 == CPT2_WALLMOUNTED) {
+               u8 wmountface = (param2 & 7);
+               if (wmountface <= 1)
+                       return;
+                       
+               Rotation oldrot = wallmounted_to_rot[wmountface - 2];
+               param2 &= ~7;
+               param2 |= rot_to_wallmounted[(oldrot - rot) & 3];
+       }
+}
+
 static std::vector<aabb3f> transformNodeBox(const MapNode &n,
                const NodeBox &nodebox, INodeDefManager *nodemgr)
 {
        std::vector<aabb3f> boxes;
-       if(nodebox.type == NODEBOX_FIXED)
+       if(nodebox.type == NODEBOX_FIXED || nodebox.type == NODEBOX_LEVELED)
        {
                const std::vector<aabb3f> &fixed = nodebox.fixed;
                int facedir = n.getFaceDir(nodemgr);
+               u8 axisdir = facedir>>2;
+               facedir&=0x03;
                for(std::vector<aabb3f>::const_iterator
                                i = fixed.begin();
                                i != fixed.end(); i++)
                {
                        aabb3f box = *i;
-                       if(facedir == 1)
-                       {
-                               box.MinEdge.rotateXZBy(-90);
-                               box.MaxEdge.rotateXZBy(-90);
-                               box.repair();
-                       }
-                       else if(facedir == 2)
-                       {
-                               box.MinEdge.rotateXZBy(180);
-                               box.MaxEdge.rotateXZBy(180);
-                               box.repair();
+
+                       if (nodebox.type == NODEBOX_LEVELED) {
+                               box.MaxEdge.Y = -BS/2 + BS*((float)1/LEVELED_MAX) * n.getLevel(nodemgr);
                        }
-                       else if(facedir == 3)
+
+                       switch (axisdir)
                        {
-                               box.MinEdge.rotateXZBy(90);
-                               box.MaxEdge.rotateXZBy(90);
-                               box.repair();
+                       case 0:
+                               if(facedir == 1)
+                               {
+                                       box.MinEdge.rotateXZBy(-90);
+                                       box.MaxEdge.rotateXZBy(-90);
+                               }
+                               else if(facedir == 2)
+                               {
+                                       box.MinEdge.rotateXZBy(180);
+                                       box.MaxEdge.rotateXZBy(180);
+                               }
+                               else if(facedir == 3)
+                               {
+                                       box.MinEdge.rotateXZBy(90);
+                                       box.MaxEdge.rotateXZBy(90);
+                               }
+                               break;
+                       case 1: // z+
+                               box.MinEdge.rotateYZBy(90);
+                               box.MaxEdge.rotateYZBy(90);
+                               if(facedir == 1)
+                               {
+                                       box.MinEdge.rotateXYBy(90);
+                                       box.MaxEdge.rotateXYBy(90);
+                               }
+                               else if(facedir == 2)
+                               {
+                                       box.MinEdge.rotateXYBy(180);
+                                       box.MaxEdge.rotateXYBy(180);
+                               }
+                               else if(facedir == 3)
+                               {
+                                       box.MinEdge.rotateXYBy(-90);
+                                       box.MaxEdge.rotateXYBy(-90);
+                               }
+                               break;
+                       case 2: //z-
+                               box.MinEdge.rotateYZBy(-90);
+                               box.MaxEdge.rotateYZBy(-90);
+                               if(facedir == 1)
+                               {
+                                       box.MinEdge.rotateXYBy(-90);
+                                       box.MaxEdge.rotateXYBy(-90);
+                               }
+                               else if(facedir == 2)
+                               {
+                                       box.MinEdge.rotateXYBy(180);
+                                       box.MaxEdge.rotateXYBy(180);
+                               }
+                               else if(facedir == 3)
+                               {
+                                       box.MinEdge.rotateXYBy(90);
+                                       box.MaxEdge.rotateXYBy(90);
+                               }
+                               break;
+                       case 3:  //x+
+                               box.MinEdge.rotateXYBy(-90);
+                               box.MaxEdge.rotateXYBy(-90);
+                               if(facedir == 1)
+                               {
+                                       box.MinEdge.rotateYZBy(90);
+                                       box.MaxEdge.rotateYZBy(90);
+                               }
+                               else if(facedir == 2)
+                               {
+                                       box.MinEdge.rotateYZBy(180);
+                                       box.MaxEdge.rotateYZBy(180);
+                               }
+                               else if(facedir == 3)
+                               {
+                                       box.MinEdge.rotateYZBy(-90);
+                                       box.MaxEdge.rotateYZBy(-90);
+                               }
+                               break;
+                       case 4:  //x-
+                               box.MinEdge.rotateXYBy(90);
+                               box.MaxEdge.rotateXYBy(90);
+                               if(facedir == 1)
+                               {
+                                       box.MinEdge.rotateYZBy(-90);
+                                       box.MaxEdge.rotateYZBy(-90);
+                               }
+                               else if(facedir == 2)
+                               {
+                                       box.MinEdge.rotateYZBy(180);
+                                       box.MaxEdge.rotateYZBy(180);
+                               }
+                               else if(facedir == 3)
+                               {
+                                       box.MinEdge.rotateYZBy(90);
+                                       box.MaxEdge.rotateYZBy(90);
+                               }
+                               break;
+                       case 5:
+                               box.MinEdge.rotateXYBy(-180);
+                               box.MaxEdge.rotateXYBy(-180);
+                               if(facedir == 1)
+                               {
+                                       box.MinEdge.rotateXZBy(90);
+                                       box.MaxEdge.rotateXZBy(90);
+                               }
+                               else if(facedir == 2)
+                               {
+                                       box.MinEdge.rotateXZBy(180);
+                                       box.MaxEdge.rotateXZBy(180);
+                               }
+                               else if(facedir == 3)
+                               {
+                                       box.MinEdge.rotateXZBy(-90);
+                                       box.MaxEdge.rotateXZBy(-90);
+                               }
+                               break;
+                       default:
+                               break;
                        }
+                       box.repair();
                        boxes.push_back(box);
                }
        }
@@ -219,12 +354,106 @@ std::vector<aabb3f> MapNode::getNodeBoxes(INodeDefManager *nodemgr) const
        return transformNodeBox(*this, f.node_box, nodemgr);
 }
 
+std::vector<aabb3f> MapNode::getCollisionBoxes(INodeDefManager *nodemgr) const
+{
+       const ContentFeatures &f = nodemgr->get(*this);
+       if (f.collision_box.fixed.empty())
+               return transformNodeBox(*this, f.node_box, nodemgr);
+       else
+               return transformNodeBox(*this, f.collision_box, nodemgr);
+}
+
 std::vector<aabb3f> MapNode::getSelectionBoxes(INodeDefManager *nodemgr) const
 {
        const ContentFeatures &f = nodemgr->get(*this);
        return transformNodeBox(*this, f.selection_box, nodemgr);
 }
 
+u8 MapNode::getMaxLevel(INodeDefManager *nodemgr) const
+{
+       const ContentFeatures &f = nodemgr->get(*this);
+       // todo: after update in all games leave only if (f.param_type_2 ==
+       if( f.liquid_type == LIQUID_FLOWING || f.param_type_2 == CPT2_FLOWINGLIQUID)
+               return LIQUID_LEVEL_MAX;
+       if(f.leveled || f.param_type_2 == CPT2_LEVELED)
+               return LEVELED_MAX;
+       return 0;
+}
+
+u8 MapNode::getLevel(INodeDefManager *nodemgr) const
+{
+       const ContentFeatures &f = nodemgr->get(*this);
+       // todo: after update in all games leave only if (f.param_type_2 ==
+       if(f.liquid_type == LIQUID_SOURCE)
+               return LIQUID_LEVEL_SOURCE;
+       if (f.param_type_2 == CPT2_FLOWINGLIQUID)
+               return getParam2() & LIQUID_LEVEL_MASK;
+       if(f.liquid_type == LIQUID_FLOWING) // can remove if all param_type_2 setted
+               return getParam2() & LIQUID_LEVEL_MASK;
+       if(f.leveled || f.param_type_2 == CPT2_LEVELED) {
+                u8 level = getParam2() & LEVELED_MASK;
+                if(level)
+                       return level;
+                if(f.leveled > LEVELED_MAX)
+                       return LEVELED_MAX;
+                return f.leveled; //default
+       }
+       return 0;
+}
+
+u8 MapNode::setLevel(INodeDefManager *nodemgr, s8 level)
+{
+       u8 rest = 0;
+       if (level < 1) {
+               setContent(CONTENT_AIR);
+               return 0;
+       }
+       const ContentFeatures &f = nodemgr->get(*this);
+       if (f.param_type_2 == CPT2_FLOWINGLIQUID
+               || f.liquid_type == LIQUID_FLOWING
+               || f.liquid_type == LIQUID_SOURCE) {
+               if (level >= LIQUID_LEVEL_SOURCE) {
+                       rest = level - LIQUID_LEVEL_SOURCE;
+                       setContent(nodemgr->getId(f.liquid_alternative_source));
+               } else {
+                       setContent(nodemgr->getId(f.liquid_alternative_flowing));
+                       setParam2(level & LIQUID_LEVEL_MASK);
+               }
+       } else if (f.leveled || f.param_type_2 == CPT2_LEVELED) {
+               if (level > LEVELED_MAX) {
+                       rest = level - LEVELED_MAX;
+                       level = LEVELED_MAX;
+               }
+               setParam2(level & LEVELED_MASK);
+       }
+       return rest;
+}
+
+u8 MapNode::addLevel(INodeDefManager *nodemgr, s8 add)
+{
+       s8 level = getLevel(nodemgr);
+       if (add == 0) level = 1;
+       level += add;
+       return setLevel(nodemgr, level);
+}
+
+void MapNode::freezeMelt(INodeDefManager *ndef) {
+       u8 level_was_max = this->getMaxLevel(ndef);
+       u8 level_was = this->getLevel(ndef);
+       this->setContent(ndef->getId(ndef->get(*this).freezemelt));
+       u8 level_now_max = this->getMaxLevel(ndef);
+       if (level_was_max && level_was_max != level_now_max) {
+               u8 want = (float)level_now_max / level_was_max * level_was;
+               if (!want)
+                       want = 1;
+               if (want != level_was)
+                       this->setLevel(ndef, want);
+               //errorstream<<"was="<<(int)level_was<<"/"<<(int)level_was_max<<" nowm="<<(int)want<<"/"<<(int)level_now_max<< " => "<<(int)this->getLevel(ndef)<< std::endl;
+       }
+       if (this->getMaxLevel(ndef) && !this->getLevel(ndef))
+               this->addLevel(ndef);
+}
+
 u32 MapNode::serializedLength(u8 version)
 {
        if(!ser_ver_supported(version))
@@ -269,8 +498,7 @@ void MapNode::deSerialize(u8 *source, u8 version)
                param0 = readU16(source+0);
                param1 = readU8(source+2);
                param2 = readU8(source+3);
-       }
-       else{
+       }else{
                param0 = readU8(source+0);
                param1 = readU8(source+1);
                param2 = readU8(source+2);