3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "irrlichttypes_bloated.h"
27 #include "nameidmapping.h"
29 #include "client/tile.h"
30 #include <IMeshManipulator.h>
33 #include "itemgroup.h"
34 #include "sound.h" // SimpleSoundSpec
35 #include "constants.h" // BS
36 #include "texture_override.h" // TextureOverride
37 #include "tileanimation.h"
39 class IItemDefManager;
54 enum ContentParamType2
59 // Flowing liquid properties
61 // Direction for chests and furnaces and such (with axis rotation)
63 // Direction for signs, torches and such
65 // Block level like FLOWINGLIQUID
69 // Mesh options for plants
73 // 3 bits of palette index, then facedir
75 // 5 bits of palette index, then wallmounted
76 CPT2_COLORED_WALLMOUNTED,
77 // Glasslike framed drawtype internal liquid level, param2 values 0 to 63
78 CPT2_GLASSLIKE_LIQUID_LEVEL,
79 // 3 bits of palette index, then degrotate
80 CPT2_COLORED_DEGROTATE,
81 // Simplified direction for chests and furnaces and such (4 directions)
83 // 6 bits of palette index, then 4dir
96 NODEBOX_REGULAR, // Regular block; allows buildable_to
97 NODEBOX_FIXED, // Static separately defined box(es)
98 NODEBOX_WALLMOUNTED, // Box for wall mounted nodes; (top, bottom, side)
99 NODEBOX_LEVELED, // Same as fixed, but with dynamic height from param2. for snow, ...
100 NODEBOX_CONNECTED, // optionally draws nodeboxes if a neighbor node attaches
103 struct NodeBoxConnected
105 std::vector<aabb3f> connect_top;
106 std::vector<aabb3f> connect_bottom;
107 std::vector<aabb3f> connect_front;
108 std::vector<aabb3f> connect_left;
109 std::vector<aabb3f> connect_back;
110 std::vector<aabb3f> connect_right;
111 std::vector<aabb3f> disconnected_top;
112 std::vector<aabb3f> disconnected_bottom;
113 std::vector<aabb3f> disconnected_front;
114 std::vector<aabb3f> disconnected_left;
115 std::vector<aabb3f> disconnected_back;
116 std::vector<aabb3f> disconnected_right;
117 std::vector<aabb3f> disconnected;
118 std::vector<aabb3f> disconnected_sides;
123 enum NodeBoxType type;
124 // NODEBOX_REGULAR (no parameters)
126 std::vector<aabb3f> fixed;
127 // NODEBOX_WALLMOUNTED
130 aabb3f wall_side; // being at the -X side
132 // (kept externally to not bloat the structure)
133 std::shared_ptr<NodeBoxConnected> connected;
137 ~NodeBox() = default;
139 inline NodeBoxConnected &getConnected() {
141 connected = std::make_shared<NodeBoxConnected>();
144 inline const NodeBoxConnected &getConnected() const {
150 void serialize(std::ostream &os, u16 protocol_version) const;
151 void deSerialize(std::istream &is);
163 enum AutoScale : u8 {
169 enum WorldAlignMode : u8 {
173 WORLDALIGN_FORCE_NODEBOX,
176 class TextureSettings {
178 LeavesStyle leaves_style;
179 WorldAlignMode world_aligned_mode;
180 AutoScale autoscale_mode;
181 int node_texture_size;
183 bool connected_glass;
184 bool enable_mesh_cache;
187 TextureSettings() = default;
194 // A basic solid block
198 // Do not draw face towards same kind of flowing/source liquid
200 // A very special kind of thing
202 // Glass-like, don't draw faces towards other glass
204 // Leaves-like, draw all faces no matter what
206 // Enabled -> ndt_allfaces, disabled -> ndt_normal
207 NDT_ALLFACES_OPTIONAL,
208 // Single plane perpendicular to a surface
210 // Single plane parallel to a surface
212 // 2 vertical planes in a 'X' shape diagonal to XZ axes.
213 // paramtype2 = "meshoptions" allows various forms, sizes and
214 // vertical and horizontal random offsets.
216 // Fenceposts that connect to neighbouring fenceposts with horizontal bars
218 // Selects appropriate junction texture to connect like rails to
219 // neighbouring raillikes.
221 // Custom Lua-definable structure of multiple cuboids
223 // Glass-like, draw connected frames and all visible faces.
224 // param2 > 0 defines 64 levels of internal liquid
225 // Uses 3 textures, one for frames, second for faces,
226 // optional third is a 'special tile' for the liquid.
227 NDT_GLASSLIKE_FRAMED,
228 // Draw faces slightly rotated and only on neighbouring nodes
230 // Enabled -> ndt_glasslike_framed, disabled -> ndt_glasslike
231 NDT_GLASSLIKE_FRAMED_OPTIONAL,
232 // Uses static meshes
234 // Combined plantlike-on-solid
235 NDT_PLANTLIKE_ROOTED,
238 // Mesh options for NDT_PLANTLIKE with CPT2_MESHOPTIONS
239 static const u8 MO_MASK_STYLE = 0x07;
240 static const u8 MO_BIT_RANDOM_OFFSET = 0x08;
241 static const u8 MO_BIT_SCALE_SQRT2 = 0x10;
242 static const u8 MO_BIT_RANDOM_OFFSET_Y = 0x20;
243 enum PlantlikeStyle {
251 enum AlignStyle : u8 {
254 ALIGN_STYLE_USER_DEFINED,
257 enum AlphaMode : u8 {
261 ALPHAMODE_LEGACY_COMPAT, /* means either opaque or clip */
266 Stand-alone definition of a TileSpec (basically a server-side TileSpec)
271 std::string name = "";
272 bool backface_culling = true; // Takes effect only in special cases
273 bool tileable_horizontal = true;
274 bool tileable_vertical = true;
275 //! If true, the tile has its own color.
276 bool has_color = false;
277 //! The color of the tile.
278 video::SColor color = video::SColor(0xFFFFFFFF);
279 AlignStyle align_style = ALIGN_STYLE_NODE;
282 struct TileAnimationParams animation;
286 animation.type = TAT_NONE;
289 void serialize(std::ostream &os, u16 protocol_version) const;
290 void deSerialize(std::istream &is, NodeDrawType drawtype, u16 protocol_version);
293 // Defines the number of special tiles per nodedef
295 // NOTE: When changing this value, the enum entries of OverrideTarget and
296 // parser in TextureOverrideSource must be updated so that all special
297 // tiles can be overridden.
298 #define CF_SPECIAL_COUNT 6
300 struct ContentFeatures
302 // PROTOCOL_VERSION >= 37. This is legacy and should not be increased anymore,
303 // write checks that depend directly on the protocol version instead.
304 static const u8 CONTENTFEATURES_VERSION = 13;
311 // up down right left back front
314 TileSpec special_tiles[CF_SPECIAL_COUNT];
315 u8 solidness; // Used when choosing which face is drawn
316 u8 visual_solidness; // When solidness=0, this tells how it looks like
317 bool backface_culling;
320 // Server-side cached callback existence for fast skipping
321 bool has_on_construct;
322 bool has_on_destruct;
323 bool has_after_destruct;
329 // --- GENERAL PROPERTIES ---
331 std::string name; // "" = undefined node
332 ItemGroupList groups; // Same as in itemdef
333 // Type of MapNode::param1
334 ContentParamType param_type;
335 // Type of MapNode::param2
336 ContentParamType2 param_type_2;
338 // --- VISUAL PROPERTIES ---
340 enum NodeDrawType drawtype;
343 scene::IMesh *mesh_ptr[24];
344 video::SColor minimap_color;
346 float visual_scale; // Misc. scale parameter
348 // These will be drawn over the base tiles.
349 TileDef tiledef_overlay[6];
350 TileDef tiledef_special[CF_SPECIAL_COUNT]; // eg. flowing liquid
352 // The color of the node.
354 std::string palette_name;
355 std::vector<video::SColor> *palette;
356 // Used for waving leaves/plants
358 // for NDT_CONNECTED pairing
360 std::vector<std::string> connects_to;
361 std::vector<content_t> connects_to_ids;
362 // Post effect color, drawn when the camera is inside the node.
363 video::SColor post_effect_color;
364 // Flowing liquid or leveled nodebox, value = default level
366 // Maximum value for leveled nodes
369 // --- LIGHTING-RELATED ---
371 bool light_propagates;
372 bool sunlight_propagates;
373 // Amount of light the node emits
376 // --- MAP GENERATION ---
378 // True for all ground-like things like stone and mud, false for eg. trees
379 bool is_ground_content;
381 // --- INTERACTION PROPERTIES ---
383 // This is used for collision detection.
384 // Also for general solidness queries.
386 // Player can point to these
388 // Player can dig these
390 // Player can climb these
392 // Player can build on these
394 // Player cannot build to these (placement prediction disabled)
396 u32 damage_per_second;
397 // client dig prediction
398 std::string node_dig_prediction;
399 // how slow players move through
400 u8 move_resistance = 0;
402 // --- LIQUID PROPERTIES ---
404 // Whether the node is non-liquid, source liquid or flowing liquid
405 enum LiquidType liquid_type;
406 // If true, movement (e.g. of players) inside this node is liquid-like.
407 bool liquid_move_physics;
408 // If the content is liquid, this is the flowing version of the liquid.
409 std::string liquid_alternative_flowing;
410 content_t liquid_alternative_flowing_id;
411 // If the content is liquid, this is the source version of the liquid.
412 std::string liquid_alternative_source;
413 content_t liquid_alternative_source_id;
414 // Viscosity for fluid flow, ranging from 1 to 7, with
415 // 1 giving almost instantaneous propagation and 7 being
416 // the slowest possible
418 // Is liquid renewable (new liquid source will be created between 2 existing)
419 bool liquid_renewable;
420 // Number of flowing liquids surrounding source
423 // Liquids flow into and replace node
429 NodeBox selection_box;
430 NodeBox collision_box;
432 // --- SOUND PROPERTIES ---
434 SimpleSoundSpec sound_footstep;
435 SimpleSoundSpec sound_dig;
436 SimpleSoundSpec sound_dug;
440 // Compatibility with old maps
441 // Set to true if paramtype used to be 'facedir_simple'
442 bool legacy_facedir_simple;
443 // Set to true if wall_mounted used to be set to true
444 bool legacy_wallmounted;
453 void serialize(std::ostream &os, u16 protocol_version) const;
454 void deSerialize(std::istream &is, u16 protocol_version);
459 void setDefaultAlphaMode()
464 case NDT_FLOWINGLIQUID:
465 alpha = ALPHAMODE_OPAQUE;
469 alpha = ALPHAMODE_LEGACY_COMPAT; // this should eventually be OPAQUE
472 alpha = ALPHAMODE_CLIP;
477 bool needsBackfaceCulling() const
485 case NDT_PLANTLIKE_ROOTED:
493 bool isLiquid() const{
494 return (liquid_type != LIQUID_NONE);
496 bool sameLiquid(const ContentFeatures &f) const{
497 if(!isLiquid() || !f.isLiquid()) return false;
498 return (liquid_alternative_flowing_id == f.liquid_alternative_flowing_id);
501 bool lightingEquivalent(const ContentFeatures &other) const {
502 return light_propagates == other.light_propagates
503 && sunlight_propagates == other.sunlight_propagates
504 && light_source == other.light_source;
507 int getGroup(const std::string &group) const
509 return itemgroup_get(groups, group);
513 void updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc,
514 scene::IMeshManipulator *meshmanip, Client *client, const TextureSettings &tsettings);
520 * Checks if any tile texture has any transparent pixels.
521 * Prints a warning and returns true if that is the case, false otherwise.
522 * This is supposed to be used for use_texture_alpha backwards compatibility.
524 bool textureAlphaCheck(ITextureSource *tsrc, const TileDef *tiles,
528 void setAlphaFromLegacy(u8 legacy_alpha);
530 u8 getAlphaForLegacy() const;
534 * @brief This class is for getting the actual properties of nodes from their
537 * @details The nodes on the map are represented by three numbers (see MapNode).
538 * The first number (param0) is the type of a node. All node types have own
539 * properties (see ContentFeatures). This class is for storing and getting the
540 * properties of nodes.
541 * The manager is first filled with registered nodes, then as the game begins,
542 * functions only get `const` pointers to it, to prevent modification of
545 class NodeDefManager {
548 * Creates a NodeDefManager, and registers three ContentFeatures:
549 * \ref CONTENT_AIR, \ref CONTENT_UNKNOWN and \ref CONTENT_IGNORE.
555 * Returns the properties for the given content type.
556 * @param c content type of a node
557 * @return properties of the given content type, or \ref CONTENT_UNKNOWN
558 * if the given content type is not registered.
560 inline const ContentFeatures& get(content_t c) const {
562 (c < m_content_features.size() && !m_content_features[c].name.empty()) ?
563 m_content_features[c] : m_content_features[CONTENT_UNKNOWN];
567 * Returns the properties of the given node.
568 * @param n a map node
569 * @return properties of the given node or @ref CONTENT_UNKNOWN if the
570 * given content type is not registered.
572 inline const ContentFeatures& get(const MapNode &n) const {
573 return get(n.getContent());
577 * Returns the node properties for a node name.
578 * @param name name of a node
579 * @return properties of the given node or @ref CONTENT_UNKNOWN if
582 const ContentFeatures& get(const std::string &name) const;
585 * Returns the content ID for the given name.
586 * @param name a node name
587 * @param[out] result will contain the content ID if found, otherwise
589 * @return true if the ID was found, false otherwise
591 bool getId(const std::string &name, content_t &result) const;
594 * Returns the content ID for the given name.
595 * @param name a node name
596 * @return ID of the node or @ref CONTENT_IGNORE if not found
598 content_t getId(const std::string &name) const;
601 * Returns the content IDs of the given node name or node group name.
602 * Group names start with "group:".
603 * @param name a node name or node group name
604 * @param[out] result will be appended with matching IDs
605 * @return true if `name` is a valid node name or a (not necessarily
608 bool getIds(const std::string &name, std::vector<content_t> &result) const;
611 * Returns the smallest box in integer node coordinates that
612 * contains all nodes' selection boxes. The returned box might be larger
613 * than the minimal size if the largest node is removed from the manager.
615 inline core::aabbox3d<s16> getSelectionBoxIntUnion() const {
616 return m_selection_box_int_union;
620 * Checks whether a node connects to an adjacent node.
621 * @param from the node to be checked
622 * @param to the adjacent node
623 * @param connect_face a bit field indicating which face of the node is
624 * adjacent to the other node.
625 * Bits: +y (least significant), -y, -z, -x, +z, +x (most significant).
626 * @return true if the node connects, false otherwise
628 bool nodeboxConnects(MapNode from, MapNode to,
629 u8 connect_face) const;
632 * Registers a NodeResolver to wait for the registration of
633 * ContentFeatures. Once the node registration finishes, all
634 * listeners are notified.
636 void pendNodeResolve(NodeResolver *nr) const;
639 * Stops listening to the NodeDefManager.
640 * @return true if the listener was registered before, false otherwise
642 bool cancelNodeResolveCallback(NodeResolver *nr) const;
645 * Registers a new node type with the given name and allocates a new
647 * Should not be called with an already existing name.
648 * @param name name of the node, must match with `def.name`.
649 * @param def definition of the registered node type.
650 * @return ID of the registered node or @ref CONTENT_IGNORE if
651 * the function could not allocate an ID.
653 content_t set(const std::string &name, const ContentFeatures &def);
656 * Allocates a blank node ID for the given name.
657 * @param name name of a node
658 * @return allocated ID or @ref CONTENT_IGNORE if could not allocate
661 content_t allocateDummy(const std::string &name);
664 * Removes the given node name from the manager.
665 * The node ID will remain in the manager, but won't be linked to any name.
666 * @param name name to be removed
668 void removeNode(const std::string &name);
671 * Regenerates the alias list (a map from names to node IDs).
672 * @param idef the item definition manager containing alias information
674 void updateAliases(IItemDefManager *idef);
677 * Replaces the textures of registered nodes with the ones specified in
678 * the texturepack's override.txt file
680 * @param overrides the texture overrides
682 void applyTextureOverrides(const std::vector<TextureOverride> &overrides);
685 * Only the client uses this. Loads textures and shaders required for
686 * rendering the nodes.
687 * @param gamedef must be a Client.
688 * @param progress_cbk called each time a node is loaded. Arguments:
689 * `progress_cbk_args`, number of loaded ContentFeatures, number of
690 * total ContentFeatures.
691 * @param progress_cbk_args passed to the callback function
693 void updateTextures(IGameDef *gamedef, void *progress_cbk_args);
696 * Writes the content of this manager to the given output stream.
697 * @param protocol_version Active network protocol version
699 void serialize(std::ostream &os, u16 protocol_version) const;
702 * Restores the manager from a serialized stream.
703 * This clears the previous state.
704 * @param is input stream containing a serialized NodeDefManager
705 * @param protocol_version Active network protocol version
707 void deSerialize(std::istream &is, u16 protocol_version);
710 * Used to indicate that node registration has finished.
711 * @param completed tells whether registration is complete
713 inline void setNodeRegistrationStatus(bool completed) {
714 m_node_registration_complete = completed;
718 * Notifies the registered NodeResolver instances that node registration
719 * has finished, then unregisters all listeners.
720 * Must be called after node registration has finished!
722 void runNodeResolveCallbacks();
725 * Sets the registration completion flag to false and unregisters all
726 * NodeResolver instances listening to the manager.
728 void resetNodeResolveState();
731 * Resolves (caches the IDs) cross-references between nodes,
732 * like liquid alternatives.
733 * Must be called after node registration has finished!
735 void resolveCrossrefs();
739 * Resets the manager to its initial state.
740 * See the documentation of the constructor.
745 * Allocates a new content ID, and returns it.
746 * @return the allocated ID or \ref CONTENT_IGNORE if could not allocate
748 content_t allocateId();
751 * Binds the given content ID and node name.
752 * Registers them in \ref m_name_id_mapping and
753 * \ref m_name_id_mapping_with_aliases.
754 * @param i a content ID
755 * @param name a node name
757 void addNameIdMapping(content_t i, const std::string &name);
760 * Removes a content ID from all groups.
761 * Erases content IDs from vectors in \ref m_group_to_items and
762 * removes empty vectors.
763 * @param id Content ID
765 void eraseIdFromGroups(content_t id);
768 * Recalculates m_selection_box_int_union based on
769 * m_selection_box_union.
771 void fixSelectionBoxIntUnion();
773 //! Features indexed by ID.
774 std::vector<ContentFeatures> m_content_features;
776 //! A mapping for fast conversion between names and IDs
777 NameIdMapping m_name_id_mapping;
780 * Like @ref m_name_id_mapping, but maps only from names to IDs, and
781 * includes aliases too. Updated by \ref updateAliases().
782 * Note: Not serialized.
784 std::unordered_map<std::string, content_t> m_name_id_mapping_with_aliases;
787 * A mapping from group names to a vector of content types that belong
788 * to it. Necessary for a direct lookup in \ref getIds().
789 * Note: Not serialized.
791 std::unordered_map<std::string, std::vector<content_t>> m_group_to_items;
794 * The next ID that might be free to allocate.
795 * It can be allocated already, because \ref CONTENT_AIR,
796 * \ref CONTENT_UNKNOWN and \ref CONTENT_IGNORE are registered when the
797 * manager is initialized, and new IDs are allocated from 0.
801 //! True if all nodes have been registered.
802 bool m_node_registration_complete;
805 * The union of all nodes' selection boxes.
806 * Might be larger if big nodes are removed from the manager.
808 aabb3f m_selection_box_union;
811 * The smallest box in integer node coordinates that
812 * contains all nodes' selection boxes.
813 * Might be larger if big nodes are removed from the manager.
815 core::aabbox3d<s16> m_selection_box_int_union;
818 * NodeResolver instances to notify once node registration has finished.
819 * Even constant NodeDefManager instances can register listeners.
821 mutable std::vector<NodeResolver *> m_pending_resolve_callbacks;
824 NodeDefManager *createNodeDefManager();
826 // NodeResolver: Queue for node names which are then translated
827 // to content_t after the NodeDefManager was initialized
831 virtual ~NodeResolver();
832 // Callback which is run as soon NodeDefManager is ready
833 virtual void resolveNodeNames() = 0;
835 // required because this class is used as mixin for ObjDef
836 void cloneTo(NodeResolver *res) const;
838 bool getIdFromNrBacklog(content_t *result_out,
839 const std::string &node_alt, content_t c_fallback,
840 bool error_on_fallback = true);
841 bool getIdsFromNrBacklog(std::vector<content_t> *result_out,
842 bool all_required = false, content_t c_fallback = CONTENT_IGNORE);
844 inline bool isResolveDone() const { return m_resolve_done; }
845 void reset(bool resolve_done = false);
847 // Vector containing all node names in the resolve "queue"
848 std::vector<std::string> m_nodenames;
849 // Specifies the "set size" of node names which are to be processed
850 // this is used for getIdsFromNrBacklog
851 // TODO: replace or remove
852 std::vector<size_t> m_nnlistsizes;
855 friend class NodeDefManager; // m_ndef
857 const NodeDefManager *m_ndef = nullptr;
858 // Index of the next "m_nodenames" entry to resolve
859 u32 m_nodenames_idx = 0;
863 // Unittest requires access to m_resolve_done
864 friend class TestSchematic;
866 void nodeResolveInternal();
868 // Index of the next "m_nnlistsizes" entry to process
869 u32 m_nnlistsizes_idx = 0;
870 bool m_resolve_done = false;