Mgv7: Auto-set lowest mountain generation level
[oweals/minetest.git] / src / nodedef.cpp
index b046957e639acf5a8c2f3678ab155781066807fe..e392f477ab2c3ad9db1881574585e861773c6902 100644 (file)
@@ -19,10 +19,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "nodedef.h"
 
-#include "main.h" // For g_settings
 #include "itemdef.h"
 #ifndef SERVER
-#include "tile.h"
+#include "client/tile.h"
 #include "mesh.h"
 #include <IMeshManipulator.h>
 #endif
@@ -34,6 +33,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "exceptions.h"
 #include "debug.h"
 #include "gamedef.h"
+#include <fstream> // Used in applyTextureOverrides()
 
 /*
        NodeBox
@@ -202,6 +202,7 @@ void ContentFeatures::reset()
 #ifndef SERVER
        for(u32 i = 0; i < 24; i++)
                mesh_ptr[i] = NULL;
+       minimap_color = video::SColor(0, 0, 0, 0);
 #endif
        visual_scale = 1.0;
        for(u32 i = 0; i < 6; i++)
@@ -227,7 +228,6 @@ void ContentFeatures::reset()
        liquid_alternative_source = "";
        liquid_viscosity = 0;
        liquid_renewable = true;
-       freezemelt = "";
        liquid_range = LIQUID_LEVEL_MAX+1;
        drowning = 0;
        light_source = 0;
@@ -243,7 +243,7 @@ void ContentFeatures::reset()
        sound_dug = SimpleSoundSpec();
 }
 
-void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
+void ContentFeatures::serialize(std::ostream &os, u16 protocol_version) const
 {
        if(protocol_version < 24){
                serializeOld(os, protocol_version);
@@ -399,10 +399,20 @@ public:
        virtual content_t set(const std::string &name, const ContentFeatures &def);
        virtual content_t allocateDummy(const std::string &name);
        virtual void updateAliases(IItemDefManager *idef);
-       virtual void updateTextures(IGameDef *gamedef);
-       void serialize(std::ostream &os, u16 protocol_version);
+       virtual void applyTextureOverrides(const std::string &override_filepath);
+       virtual void updateTextures(IGameDef *gamedef,
+               void (*progress_cbk)(void *progress_args, u32 progress, u32 max_progress),
+               void *progress_cbk_args);
+       void serialize(std::ostream &os, u16 protocol_version) const;
        void deSerialize(std::istream &is);
-       virtual NodeResolver *getResolver();
+
+       inline virtual bool getNodeRegistrationStatus() const;
+       inline virtual void setNodeRegistrationStatus(bool completed);
+
+       virtual void pendNodeResolve(NodeResolver *nr);
+       virtual bool cancelNodeResolveCallback(NodeResolver *nr);
+       virtual void runNodeResolveCallbacks();
+       virtual void resetNodeResolveState();
 
 private:
        void addNameIdMapping(content_t i, std::string name);
@@ -432,13 +442,15 @@ private:
        // Next possibly free id
        content_t m_next_id;
 
-       // NodeResolver to queue pending node resolutions
-       NodeResolver m_resolver;
+       // NodeResolvers to callback once node registration has ended
+       std::vector<NodeResolver *> m_pending_resolve_callbacks;
+
+       // True when all nodes have been registered
+       bool m_node_registration_complete;
 };
 
 
-CNodeDefManager::CNodeDefManager() :
-       m_resolver(this)
+CNodeDefManager::CNodeDefManager()
 {
        clear();
 }
@@ -466,6 +478,8 @@ void CNodeDefManager::clear()
        m_group_to_items.clear();
        m_next_id = 0;
 
+       resetNodeResolveState();
+
        u32 initial_length = 0;
        initial_length = MYMAX(initial_length, CONTENT_UNKNOWN + 1);
        initial_length = MYMAX(initial_length, CONTENT_AIR + 1);
@@ -621,6 +635,7 @@ content_t CNodeDefManager::allocateId()
 // IWritableNodeDefManager
 content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &def)
 {
+       // Pre-conditions
        assert(name != "");
        assert(name == def.name);
 
@@ -658,7 +673,7 @@ content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &d
                        j = m_group_to_items.find(group_name);
                if (j == m_group_to_items.end()) {
                        m_group_to_items[group_name].push_back(
-                                       std::make_pair(id, i->second));
+                               std::make_pair(id, i->second));
                } else {
                        GroupItems &items = j->second;
                        items.push_back(std::make_pair(id, i->second));
@@ -670,7 +685,7 @@ content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &d
 
 content_t CNodeDefManager::allocateDummy(const std::string &name)
 {
-       assert(name != "");
+       assert(name != "");     // Pre-condition
        ContentFeatures f;
        f.name = name;
        return set(name, f);
@@ -688,18 +703,77 @@ void CNodeDefManager::updateAliases(IItemDefManager *idef)
                content_t id;
                if (m_name_id_mapping.getId(convert_to, id)) {
                        m_name_id_mapping_with_aliases.insert(
-                                       std::make_pair(name, id));
+                               std::make_pair(name, id));
                }
        }
 }
 
+void CNodeDefManager::applyTextureOverrides(const std::string &override_filepath)
+{
+       infostream << "CNodeDefManager::applyTextureOverrides(): Applying "
+               "overrides to textures from " << override_filepath << std::endl;
+
+       std::ifstream infile(override_filepath.c_str());
+       std::string line;
+       int line_c = 0;
+       while (std::getline(infile, line)) {
+               line_c++;
+               if (trim(line) == "")
+                       continue;
+               std::vector<std::string> splitted = str_split(line, ' ');
+               if (splitted.size() != 3) {
+                       errorstream << override_filepath
+                               << ":" << line_c << " Could not apply texture override \""
+                               << line << "\": Syntax error" << std::endl;
+                       continue;
+               }
 
-void CNodeDefManager::updateTextures(IGameDef *gamedef)
+               content_t id;
+               if (!getId(splitted[0], id)) {
+                       errorstream << override_filepath
+                               << ":" << line_c << " Could not apply texture override \""
+                               << line << "\": Unknown node \""
+                               << splitted[0] << "\"" << std::endl;
+                       continue;
+               }
+
+               ContentFeatures &nodedef = m_content_features[id];
+
+               if (splitted[1] == "top")
+                       nodedef.tiledef[0].name = splitted[2];
+               else if (splitted[1] == "bottom")
+                       nodedef.tiledef[1].name = splitted[2];
+               else if (splitted[1] == "right")
+                       nodedef.tiledef[2].name = splitted[2];
+               else if (splitted[1] == "left")
+                       nodedef.tiledef[3].name = splitted[2];
+               else if (splitted[1] == "back")
+                       nodedef.tiledef[4].name = splitted[2];
+               else if (splitted[1] == "front")
+                       nodedef.tiledef[5].name = splitted[2];
+               else if (splitted[1] == "all" || splitted[1] == "*")
+                       for (int i = 0; i < 6; i++)
+                               nodedef.tiledef[i].name = splitted[2];
+               else if (splitted[1] == "sides")
+                       for (int i = 2; i < 6; i++)
+                               nodedef.tiledef[i].name = splitted[2];
+               else {
+                       errorstream << override_filepath
+                               << ":" << line_c << " Could not apply texture override \""
+                               << line << "\": Unknown node side \""
+                               << splitted[1] << "\"" << std::endl;
+                       continue;
+               }
+       }
+}
+
+void CNodeDefManager::updateTextures(IGameDef *gamedef,
+       void (*progress_callback)(void *progress_args, u32 progress, u32 max_progress),
+       void *progress_callback_args)
 {
 #ifndef SERVER
        infostream << "CNodeDefManager::updateTextures(): Updating "
                "textures in node definitions" << std::endl;
-
        ITextureSource *tsrc = gamedef->tsrc();
        IShaderSource *shdsrc = gamedef->getShaderSource();
        scene::ISceneManager* smgr = gamedef->getSceneManager();
@@ -713,13 +787,20 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
        bool enable_bumpmapping        = g_settings->getBool("enable_bumpmapping");
        bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");
        bool enable_mesh_cache         = g_settings->getBool("enable_mesh_cache");
+       bool enable_minimap            = g_settings->getBool("enable_minimap");
 
        bool use_normal_texture = enable_shaders &&
                (enable_bumpmapping || enable_parallax_occlusion);
 
-       for (u32 i = 0; i < m_content_features.size(); i++) {
+       u32 size = m_content_features.size();
+
+       for (u32 i = 0; i < size; i++) {
                ContentFeatures *f = &m_content_features[i];
 
+               // minimap pixel color - the average color of a texture
+               if (enable_minimap && f->tiledef[0].name != "")
+                       f->minimap_color = tsrc->getTextureAverageColor(f->tiledef[0].name);
+
                // Figure out the actual tiles to use
                TileDef tiledef[6];
                for (u32 j = 0; j < 6; j++) {
@@ -890,6 +971,8 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
                        recalculateBoundingBox(f->mesh_ptr[0]);
                        meshmanip->recalculateNormals(f->mesh_ptr[0], true, false);
                }
+
+               progress_callback(progress_callback_args, i, size);
        }
 #endif
 }
@@ -901,7 +984,7 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
                bool backface_culling, u8 alpha, u8 material_type)
 {
        tile->shader_id     = shader_id;
-       tile->texture       = tsrc->getTexture(tiledef->name, &tile->texture_id);
+       tile->texture       = tsrc->getTextureForMesh(tiledef->name, &tile->texture_id);
        tile->alpha         = alpha;
        tile->material_type = material_type;
 
@@ -934,14 +1017,17 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
                tile->material_flags &= ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
        } else {
                std::ostringstream os(std::ios::binary);
+               tile->frames.resize(frame_count);
+
                for (int i = 0; i < frame_count; i++) {
+
                        FrameSpec frame;
 
                        os.str("");
                        os << tiledef->name << "^[verticalframe:"
                                << frame_count << ":" << i;
 
-                       frame.texture = tsrc->getTexture(os.str(), &frame.texture_id);
+                       frame.texture = tsrc->getTextureForMesh(os.str(), &frame.texture_id);
                        if (tile->normal_texture)
                                frame.normal_texture = tsrc->getNormalTexture(os.str());
                        tile->frames[i] = frame;
@@ -951,7 +1037,7 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
 #endif
 
 
-void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version)
+void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version) const
 {
        writeU8(os, 1); // version
        u16 count = 0;
@@ -960,7 +1046,7 @@ void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version)
                if (i == CONTENT_IGNORE || i == CONTENT_AIR
                                || i == CONTENT_UNKNOWN)
                        continue;
-               ContentFeatures *f = &m_content_features[i];
+               const ContentFeatures *f = &m_content_features[i];
                if (f->name == "")
                        continue;
                writeU16(os2, i);
@@ -970,7 +1056,9 @@ void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version)
                f->serialize(wrapper_os, protocol_version);
                os2<<serializeString(wrapper_os.str());
 
-               assert(count + 1 > count); // must not overflow
+               // must not overflow
+               u16 next = count + 1;
+               FATAL_ERROR_IF(next < count, "Overflow");
                count++;
        }
        writeU16(os, count);
@@ -1032,12 +1120,6 @@ void CNodeDefManager::addNameIdMapping(content_t i, std::string name)
 }
 
 
-NodeResolver *CNodeDefManager::getResolver()
-{
-       return &m_resolver;
-}
-
-
 IWritableNodeDefManager *createNodeDefManager()
 {
        return new CNodeDefManager();
@@ -1045,7 +1127,7 @@ IWritableNodeDefManager *createNodeDefManager()
 
 
 //// Serialization of old ContentFeatures formats
-void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
+void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
 {
        if (protocol_version == 13)
        {
@@ -1264,166 +1346,167 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version)
        }
 }
 
-/*
-       NodeResolver
-*/
 
-NodeResolver::NodeResolver(INodeDefManager *ndef)
+inline bool CNodeDefManager::getNodeRegistrationStatus() const
 {
-       m_ndef = ndef;
-       m_is_node_registration_complete = false;
+       return m_node_registration_complete;
 }
 
 
-NodeResolver::~NodeResolver()
+inline void CNodeDefManager::setNodeRegistrationStatus(bool completed)
 {
-       while (!m_pending_contents.empty()) {
-               NodeResolveInfo *nri = m_pending_contents.front();
-               m_pending_contents.pop_front();
-               delete nri;
-       }
+       m_node_registration_complete = completed;
 }
 
 
-int NodeResolver::addNode(const std::string &n_wanted, const std::string &n_alt,
-       content_t c_fallback, content_t *content)
+void CNodeDefManager::pendNodeResolve(NodeResolver *nr)
 {
-       if (m_is_node_registration_complete) {
-               if (m_ndef->getId(n_wanted, *content))
-                       return NR_STATUS_SUCCESS;
+       nr->m_ndef = this;
+       if (m_node_registration_complete)
+               nr->nodeResolveInternal();
+       else
+               m_pending_resolve_callbacks.push_back(nr);
+}
 
-               if (n_alt == "" || !m_ndef->getId(n_alt, *content)) {
-                       *content = c_fallback;
-                       return NR_STATUS_FAILURE;
-               }
 
-               return NR_STATUS_SUCCESS;
-       } else {
-               NodeResolveInfo *nfi = new NodeResolveInfo;
-               nfi->n_wanted   = n_wanted;
-               nfi->n_alt      = n_alt;
-               nfi->c_fallback = c_fallback;
-               nfi->output     = content;
-
-               m_pending_contents.push_back(nfi);
+bool CNodeDefManager::cancelNodeResolveCallback(NodeResolver *nr)
+{
+       size_t len = m_pending_resolve_callbacks.size();
+       for (size_t i = 0; i != len; i++) {
+               if (nr != m_pending_resolve_callbacks[i])
+                       continue;
 
-               return NR_STATUS_PENDING;
+               len--;
+               m_pending_resolve_callbacks[i] = m_pending_resolve_callbacks[len];
+               m_pending_resolve_callbacks.resize(len);
+               return true;
        }
+
+       return false;
 }
 
 
-int NodeResolver::addNodeList(const std::string &nodename,
-       std::vector<content_t> *content_vec)
+void CNodeDefManager::runNodeResolveCallbacks()
 {
-       if (m_is_node_registration_complete) {
-               std::set<content_t> idset;
-               std::set<content_t>::iterator it;
+       for (size_t i = 0; i != m_pending_resolve_callbacks.size(); i++) {
+               NodeResolver *nr = m_pending_resolve_callbacks[i];
+               nr->nodeResolveInternal();
+       }
 
-               m_ndef->getIds(nodename, idset);
-               for (it = idset.begin(); it != idset.end(); ++it)
-                       content_vec->push_back(*it);
+       m_pending_resolve_callbacks.clear();
+}
 
-               return idset.size() ? NR_STATUS_SUCCESS : NR_STATUS_FAILURE;
-       } else {
-               m_pending_content_vecs.push_back(
-                       std::make_pair(nodename, content_vec));
-               return NR_STATUS_PENDING;
-       }
+
+void CNodeDefManager::resetNodeResolveState()
+{
+       m_node_registration_complete = false;
+       m_pending_resolve_callbacks.clear();
 }
 
 
-bool NodeResolver::cancelNode(content_t *content)
+////
+//// NodeResolver
+////
+
+NodeResolver::NodeResolver()
 {
-       bool found = false;
-
-       for (std::list<NodeResolveInfo *>::iterator
-                       it = m_pending_contents.begin();
-                       it != m_pending_contents.end();
-                       ++it) {
-               NodeResolveInfo *nfi = *it;
-               if (nfi->output == content) {
-                       it = m_pending_contents.erase(it);
-                       delete nfi;
-                       found = true;
-               }
-       }
+       m_ndef            = NULL;
+       m_nodenames_idx   = 0;
+       m_nnlistsizes_idx = 0;
+       m_resolve_done    = false;
 
-       return found;
+       m_nodenames.reserve(16);
+       m_nnlistsizes.reserve(4);
 }
 
 
-int NodeResolver::cancelNodeList(std::vector<content_t> *content_vec)
+NodeResolver::~NodeResolver()
 {
-       int num_canceled = 0;
-
-       for (ContentVectorResolveList::iterator
-                       it = m_pending_content_vecs.begin();
-                       it != m_pending_content_vecs.end();
-                       ++it) {
-               if (it->second == content_vec) {
-                       it = m_pending_content_vecs.erase(it);
-                       num_canceled++;
-               }
-       }
-
-       return num_canceled;
+       if (!m_resolve_done && m_ndef)
+               m_ndef->cancelNodeResolveCallback(this);
 }
 
 
-int NodeResolver::resolveNodes()
+void NodeResolver::nodeResolveInternal()
 {
-       int num_failed = 0;
+       m_nodenames_idx   = 0;
+       m_nnlistsizes_idx = 0;
 
-       //// Resolve pending single node name -> content ID mappings
-       while (!m_pending_contents.empty()) {
-               NodeResolveInfo *nri = m_pending_contents.front();
-               m_pending_contents.pop_front();
+       resolveNodeNames();
+       m_resolve_done = true;
 
-               bool success = true;
-               if (!m_ndef->getId(nri->n_wanted, *nri->output)) {
-                       success = (nri->n_alt != "") ?
-                               m_ndef->getId(nri->n_alt, *nri->output) : false;
-               }
+       m_nodenames.clear();
+       m_nnlistsizes.clear();
+}
 
-               if (!success) {
-                       *nri->output = nri->c_fallback;
-                       num_failed++;
-                       errorstream << "NodeResolver::resolveNodes():  Failed to "
-                               "resolve '" << nri->n_wanted;
-                       if (nri->n_alt != "")
-                               errorstream << "' and '" << nri->n_alt;
-                       errorstream << "'" << std::endl;
-               }
 
-               delete nri;
+bool NodeResolver::getIdFromNrBacklog(content_t *result_out,
+       const std::string &node_alt, content_t c_fallback)
+{
+       if (m_nodenames_idx == m_nodenames.size()) {
+               *result_out = c_fallback;
+               errorstream << "NodeResolver: no more nodes in list" << std::endl;
+               return false;
        }
 
-       //// Resolve pending node names and add to content_t vector
-       while (!m_pending_content_vecs.empty()) {
-               std::pair<std::string, std::vector<content_t> *> item =
-                       m_pending_content_vecs.front();
-               m_pending_content_vecs.pop_front();
+       content_t c;
+       std::string name = m_nodenames[m_nodenames_idx++];
 
-               std::string &name = item.first;
-               std::vector<content_t> *output = item.second;
+       bool success = m_ndef->getId(name, c);
+       if (!success && node_alt != "") {
+               name = node_alt;
+               success = m_ndef->getId(name, c);
+       }
 
-               std::set<content_t> idset;
-               std::set<content_t>::iterator it;
+       if (!success) {
+               errorstream << "NodeResolver: failed to resolve node name '" << name
+                       << "'." << std::endl;
+               c = c_fallback;
+       }
 
-               m_ndef->getIds(name, idset);
-               for (it = idset.begin(); it != idset.end(); ++it)
-                       output->push_back(*it);
+       *result_out = c;
+       return success;
+}
 
-               if (idset.empty()) {
-                       num_failed++;
-                       errorstream << "NodeResolver::resolveNodes():  Failed to "
-                               "resolve '" << name << "'" << std::endl;
-               }
+
+bool NodeResolver::getIdsFromNrBacklog(std::vector<content_t> *result_out,
+       bool all_required, content_t c_fallback)
+{
+       bool success = true;
+
+       if (m_nnlistsizes_idx == m_nnlistsizes.size()) {
+               errorstream << "NodeResolver: no more node lists" << std::endl;
+               return false;
        }
 
-       //// Mark node registration as complete so future resolve
-       //// requests are satisfied immediately
-       m_is_node_registration_complete = true;
+       size_t length = m_nnlistsizes[m_nnlistsizes_idx++];
+
+       while (length--) {
+               if (m_nodenames_idx == m_nodenames.size()) {
+                       errorstream << "NodeResolver: no more nodes in list" << std::endl;
+                       return false;
+               }
+
+               content_t c;
+               std::string &name = m_nodenames[m_nodenames_idx++];
+
+               if (name.substr(0,6) != "group:") {
+                       if (m_ndef->getId(name, c)) {
+                               result_out->push_back(c);
+                       } else if (all_required) {
+                               errorstream << "NodeResolver: failed to resolve node name '"
+                                       << name << "'." << std::endl;
+                               result_out->push_back(c_fallback);
+                               success = false;
+                       }
+               } else {
+                       std::set<content_t> cids;
+                       std::set<content_t>::iterator it;
+                       m_ndef->getIds(name, cids);
+                       for (it = cids.begin(); it != cids.end(); ++it)
+                               result_out->push_back(*it);
+               }
+       }
 
-       return num_failed;
+       return success;
 }