diff options
| -rw-r--r-- | src/network/networkprotocol.h | 5 | ||||
| -rw-r--r-- | src/nodedef.cpp | 34 | ||||
| -rw-r--r-- | src/nodedef.h | 2 |
3 files changed, 31 insertions, 10 deletions
diff --git a/src/network/networkprotocol.h b/src/network/networkprotocol.h index 674c68104..dc15326d9 100644 --- a/src/network/networkprotocol.h +++ b/src/network/networkprotocol.h @@ -132,9 +132,12 @@ with this program; if not, write to the Free Software Foundation, Inc., Rename GENERIC_CMD_SET_ATTACHMENT to GENERIC_CMD_ATTACH_TO PROTOCOL_VERSION 26: Add TileDef tileable_horizontal, tileable_vertical flags + PROTOCOL_VERSION 27: + backface_culling: backwards compatibility for playing with + newer client on pre-27 servers. */ -#define LATEST_PROTOCOL_VERSION 26 +#define LATEST_PROTOCOL_VERSION 27 // Server's supported network protocol range #define SERVER_PROTOCOL_VERSION_MIN 13 diff --git a/src/nodedef.cpp b/src/nodedef.cpp index 0bcc00e47..e30cf6f12 100644 --- a/src/nodedef.cpp +++ b/src/nodedef.cpp @@ -139,7 +139,7 @@ void TileDef::serialize(std::ostream &os, u16 protocol_version) const } } -void TileDef::deSerialize(std::istream &is) +void TileDef::deSerialize(std::istream &is, bool culling_ignore) { int version = readU8(is); name = deSerializeString(is); @@ -153,6 +153,11 @@ void TileDef::deSerialize(std::istream &is) tileable_horizontal = readU8(is); tileable_vertical = readU8(is); } + // when connecting to old servers - do not use + // provided values here since culling needs to be + // disabled by default for these drawtypes + if (culling_ignore) + backface_culling = false; } @@ -339,15 +344,22 @@ void ContentFeatures::deSerialize(std::istream &is) groups[name] = value; } drawtype = (enum NodeDrawType)readU8(is); + + bool ignore_culling = ((version <= 26) && + ((drawtype == NDT_MESH) || + (drawtype == NDT_PLANTLIKE) || + (drawtype == NDT_FIRELIKE) || + (drawtype == NDT_LIQUID))); + visual_scale = readF1000(is); if(readU8(is) != 6) throw SerializationError("unsupported tile count"); for(u32 i = 0; i < 6; i++) - tiledef[i].deSerialize(is); + tiledef[i].deSerialize(is, ignore_culling); if(readU8(is) != CF_SPECIAL_COUNT) throw SerializationError("unsupported CF_SPECIAL_COUNT"); for(u32 i = 0; i < CF_SPECIAL_COUNT; i++) - tiledef_special[i].deSerialize(is); + tiledef_special[i].deSerialize(is, ignore_culling); alpha = readU8(is); post_effect_color.setAlpha(readU8(is)); post_effect_color.setRed(readU8(is)); @@ -1258,7 +1270,6 @@ void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const "Unsupported version requested"); } - void ContentFeatures::deSerializeOld(std::istream &is, int version) { if (version == 5) // In PROTOCOL_VERSION 13 @@ -1272,15 +1283,22 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version) groups[name] = value; } drawtype = (enum NodeDrawType)readU8(is); + + bool ignore_culling = ((version <= 26) && + ((drawtype == NDT_MESH) || + (drawtype == NDT_PLANTLIKE) || + (drawtype == NDT_FIRELIKE) || + (drawtype == NDT_LIQUID))); + visual_scale = readF1000(is); if (readU8(is) != 6) throw SerializationError("unsupported tile count"); for (u32 i = 0; i < 6; i++) - tiledef[i].deSerialize(is); + tiledef[i].deSerialize(is, ignore_culling); if (readU8(is) != CF_SPECIAL_COUNT) throw SerializationError("unsupported CF_SPECIAL_COUNT"); for (u32 i = 0; i < CF_SPECIAL_COUNT; i++) - tiledef_special[i].deSerialize(is); + tiledef_special[i].deSerialize(is, ignore_culling); alpha = readU8(is); post_effect_color.setAlpha(readU8(is)); post_effect_color.setRed(readU8(is)); @@ -1324,12 +1342,12 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version) if (readU8(is) != 6) throw SerializationError("unsupported tile count"); for (u32 i = 0; i < 6; i++) - tiledef[i].deSerialize(is); + tiledef[i].deSerialize(is, drawtype); // CF_SPECIAL_COUNT in version 6 = 2 if (readU8(is) != 2) throw SerializationError("unsupported CF_SPECIAL_COUNT"); for (u32 i = 0; i < 2; i++) - tiledef_special[i].deSerialize(is); + tiledef_special[i].deSerialize(is, drawtype); alpha = readU8(is); post_effect_color.setAlpha(readU8(is)); post_effect_color.setRed(readU8(is)); diff --git a/src/nodedef.h b/src/nodedef.h index 8f4942c04..182bd09b2 100644 --- a/src/nodedef.h +++ b/src/nodedef.h @@ -137,7 +137,7 @@ struct TileDef } void serialize(std::ostream &os, u16 protocol_version) const; - void deSerialize(std::istream &is); + void deSerialize(std::istream &is, bool culling_ignore); }; enum NodeDrawType |