GL_EXT_texture_filter_anisotropic support (thanks zinx!)

[xonotic/darkplaces.git] / protocol.h

diff --git a/protocol.h b/protocol.h
index 951b6a81f365129f760d1c7f83a70ef079d62a87..4a1e1c2b5f53443b0db802ade93fabbd1dbe536e 100644 (file)
--- a/protocol.h
+++ b/protocol.h
@@ -22,11 +22,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #ifndef PROTOCOL_H
 #define PROTOCOL_H
 
-#define        PROTOCOL_VERSION        15
-#define        DPPROTOCOL_VERSION1     96
-#define        DPPROTOCOL_VERSION2     97
-// LordHavoc: I think the 96-99 range was going to run out too soon...  so here I jump to 3500
-#define        DPPROTOCOL_VERSION3     3500
+#define        PROTOCOL_VERSION 15
+#define        DPPROTOCOL_VERSION1 96
+#define        DPPROTOCOL_VERSION2 97
+// LordHavoc: I think the 96-99 range was going to run out too soon...
+// so here I jump to 3500
+#define        DPPROTOCOL_VERSION3 3500
 
 // model effects
 #define        EF_ROCKET       1                       // leave a trail
@@ -53,6 +54,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define EF_FULLBRIGHT                  512             // LordHavoc: fullbright
 #define EF_FLAME                               1024    // LordHavoc: on fire
 #define EF_STARDUST                            2048    // LordHavoc: showering sparks
+#define EF_NOSHADOW                            4096    // LordHavoc: does not cast a shadow
 
 #define EF_STEP                                        0x80000000 // internal client use only - present on MOVETYPE_STEP entities, not QC accessible (too many bits)
 
@@ -137,6 +139,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define        SND_VOLUME              (1<<0)          // a byte
 #define        SND_ATTENUATION (1<<1)          // a byte
 #define        SND_LOOPING             (1<<2)          // a long
+#define        SND_LARGEENTITY (1<<3)          // a short and a byte (instead of a short)
+#define        SND_LARGESOUND  (1<<4)          // a short (instead of a byte)
 
 
 // defaults for clientinfo messages
@@ -300,6 +304,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define RENDER_EXTERIORMODEL 8
 #define RENDER_LOWPRECISION 16 // send as low precision coordinates to save bandwidth
 #define RENDER_COLORMAPPED 32
+#define RENDER_SHADOW 64 // cast shadow
 
 typedef struct
 {
@@ -321,6 +326,38 @@ typedef struct
 }
 entity_state_t;
 
+/*
+DPPROTOCOL_VERSION3
+server updates entities according to some (unmentioned) scheme.
+
+a frame consists of all visible entities, some of which are up to date,
+often some are not up to date.
+
+these entities are stored in a range (firstentity/endentity) of structs in the
+entitydata[] buffer.
+
+to make a commit the server performs these steps:
+1. duplicate oldest frame in database (this is the baseline) as new frame, and
+   write frame numbers (oldest frame's number, new frame's number) and eye
+   location to network packet (eye location is obsolete and will be removed in
+   future revisions)
+2. write an entity change to packet and modify new frame accordingly
+   (this repeats until packet is sufficiently full or new frame is complete)
+3. write terminator (0xFFFF) to network packet
+   (FIXME: this terminator value conflicts with MAX_EDICTS 32768...)
+
+to read a commit the client performs these steps:
+1. reads frame numbers from packet and duplicates baseline frame as new frame,
+   also reads eye location but does nothing with it (obsolete).
+2. delete frames older than the baseline which was used
+3. read entity changes from packet until terminator (0xFFFF) is encountered,
+   each change is applied to entity frame.
+4. sends ack framenumber to server as part of input packet
+
+if server receives ack message in put packet it performs these steps:
+1. remove all older frames from database.
+*/
+
 typedef struct
 {
        double time;
@@ -331,7 +368,7 @@ typedef struct
 entity_frameinfo_t;
 
 #define MAX_ENTITY_HISTORY 64
-#define MAX_ENTITY_DATABASE 4096
+#define MAX_ENTITY_DATABASE (MAX_EDICTS * 2)
 
 typedef struct
 {
@@ -344,9 +381,13 @@ typedef struct
        // note: if numframes == 0, insert at start (0 in entitydata)
        // the only reason this system is used is to avoid copying memory when frames are removed
        int numframes;
-       int ackframe; // server only: last acknowledged frame
+       // server only: last acknowledged frame
+       int ackframe;
+       // the current state in the database
        vec3_t eye;
+       // table of entities in the entityhistorydata
        entity_frameinfo_t frames[MAX_ENTITY_HISTORY];
+       // entities
        entity_state_t entitydata[MAX_ENTITY_DATABASE];
 }
 entity_database_t;
@@ -408,6 +449,7 @@ entity_frame_t;
 #define E_EXTEND4              (1<<31)
 
 void ClearStateToDefault(entity_state_t *s);
+
 // (server) clears the database to contain no frames (thus delta compression
 // compresses against nothing)
 void EntityFrame_ClearDatabase(entity_database_t *d);