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Fix backface culling when connecting to new servers.

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Introduce a new contentfeatures version (8). When clients
connect using v27 protocol version, they can assume that
the tiledef.backface_culling is trustable, but if clients
connect to servers providing contentfeatures version 7,
then the v27 clients know that backface culling settings
provided by the server in tiledefs are bogus for mesh,
plantlike, firelike or liquid drawtype nodes.

thanks to hmmmm, est31, nerzhul.

Tested on new client - new server, new client - old server
old client - new server.
This commit is contained in:
Auke Kok 2016-01-23 19:53:27 -08:00 • committed by est31
parent ba8fa9e889
commit 47464c9344
2 changed files with 43 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

50
src/nodedef.h
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@ -104,6 +104,30 @@ struct NodeBox
struct MapNode;
class NodeMetadata;
enum NodeDrawType
{
NDT_NORMAL, // A basic solid block
NDT_AIRLIKE, // Nothing is drawn
NDT_LIQUID, // Do not draw face towards same kind of flowing/source liquid
NDT_FLOWINGLIQUID, // A very special kind of thing
NDT_GLASSLIKE, // Glass-like, don't draw faces towards other glass
NDT_ALLFACES, // Leaves-like, draw all faces no matter what
NDT_ALLFACES_OPTIONAL, // Fancy -> allfaces, fast -> normal
NDT_TORCHLIKE,
NDT_SIGNLIKE,
NDT_PLANTLIKE,
NDT_FENCELIKE,
NDT_RAILLIKE,
NDT_NODEBOX,
NDT_GLASSLIKE_FRAMED, // Glass-like, draw connected frames and all all
// visible faces
// uses 2 textures, one for frames, second for faces
NDT_FIRELIKE, // Draw faces slightly rotated and only on connecting nodes,
NDT_GLASSLIKE_FRAMED_OPTIONAL, // enabled -> connected, disabled -> Glass-like
// uses 2 textures, one for frames, second for faces
NDT_MESH, // Uses static meshes
};
/*
Stand-alone definition of a TileSpec (basically a server-side TileSpec)
*/
@ -137,31 +161,7 @@ struct TileDef
}
void serialize(std::ostream &os, u16 protocol_version) const;
void deSerialize(std::istream &is, bool culling_ignore);
};
enum NodeDrawType
{
NDT_NORMAL, // A basic solid block
NDT_AIRLIKE, // Nothing is drawn
NDT_LIQUID, // Do not draw face towards same kind of flowing/source liquid
NDT_FLOWINGLIQUID, // A very special kind of thing
NDT_GLASSLIKE, // Glass-like, don't draw faces towards other glass
NDT_ALLFACES, // Leaves-like, draw all faces no matter what
NDT_ALLFACES_OPTIONAL, // Fancy -> allfaces, fast -> normal
NDT_TORCHLIKE,
NDT_SIGNLIKE,
NDT_PLANTLIKE,
NDT_FENCELIKE,
NDT_RAILLIKE,
NDT_NODEBOX,
NDT_GLASSLIKE_FRAMED, // Glass-like, draw connected frames and all all
// visible faces
// uses 2 textures, one for frames, second for faces
NDT_FIRELIKE, // Draw faces slightly rotated and only on connecting nodes,
NDT_GLASSLIKE_FRAMED_OPTIONAL, // enabled -> connected, disabled -> Glass-like
// uses 2 textures, one for frames, second for faces
NDT_MESH, // Uses static meshes
void deSerialize(std::istream &is, const u8 contentfeatures_version, const NodeDrawType drawtype);
};
#define CF_SPECIAL_COUNT 6