diff options
Diffstat (limited to 'src/jake2/qcommon/MSG.java')
| -rw-r--r-- | src/jake2/qcommon/MSG.java | 1105 |
1 files changed, 551 insertions, 554 deletions
diff --git a/src/jake2/qcommon/MSG.java b/src/jake2/qcommon/MSG.java index 4396ac3..ee2a089 100644 --- a/src/jake2/qcommon/MSG.java +++ b/src/jake2/qcommon/MSG.java @@ -1,562 +1,559 @@ /* -Copyright (C) 1997-2001 Id Software, Inc. - -This program is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -*/ + * Copyright (C) 1997-2001 Id Software, Inc. + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ // Created on 29.11.2003 by RST. -// $Id: MSG.java,v 1.4 2004-07-28 11:58:10 hzi Exp $ - +// $Id: MSG.java,v 1.5 2004-09-22 19:22:09 salomo Exp $ package jake2.qcommon; +import jake2.Globals; import jake2.game.*; import jake2.util.*; -public class MSG extends GameBase { - - // - // writing functions - // - - //ok. - public static void WriteChar(sizebuf_t sb, int c) { - sb.data[SZ.GetSpace(sb, 1)] = (byte) (c & 0xFF); - } - - //ok. - public static void WriteChar(sizebuf_t sb, float c) { - - WriteChar(sb, (int) c); - } - - //ok. - public static void WriteByte(sizebuf_t sb, int c) { - sb.data[SZ.GetSpace(sb, 1)] = (byte) (c & 0xFF); - } - - //ok. - public static void WriteByte(sizebuf_t sb, float c) { - WriteByte(sb, (int) c); - } - - - public static void WriteShort(sizebuf_t sb, int c) { - int i = SZ.GetSpace(sb, 2); - sb.data[i++] = (byte) (c & 0xff); - sb.data[i] = (byte) ((c >>> 8) & 0xFF); - } - - //ok. - public static void WriteInt(sizebuf_t sb, int c) { - int i = SZ.GetSpace(sb, 4); - sb.data[i++] = (byte) ((c & 0xff)); - sb.data[i++] = (byte) ((c >>> 8) & 0xff); - sb.data[i++] = (byte) ((c >>> 16) & 0xff); - sb.data[i++] = (byte) ((c >>> 24) & 0xff); - } - - //ok. - public static void WriteLong(sizebuf_t sb, int c) { - WriteInt(sb, c); - } - - //ok. - public static void WriteFloat(sizebuf_t sb, float f) { - WriteInt(sb, Float.floatToIntBits(f)); - } - - // had a bug, now its ok. - public static void WriteString(sizebuf_t sb, String s) { - String x = s; - - if (s == null) - x = ""; - - SZ.Write(sb, x.getBytes()); - WriteByte(sb, 0); - } - - //ok. - public static void WriteString(sizebuf_t sb, byte s[]) { - WriteString(sb, new String(s).trim()); - } - - public static void WriteCoord(sizebuf_t sb, float f) { - WriteShort(sb, (int) (f * 8)); - } - - public static void WritePos(sizebuf_t sb, float[] pos) { - assert(pos.length == 3) : "vec3_t bug"; - WriteShort(sb, (int) (pos[0] * 8)); - WriteShort(sb, (int) (pos[1] * 8)); - WriteShort(sb, (int) (pos[2] * 8)); - } - - public static void WriteAngle(sizebuf_t sb, float f) { - WriteByte(sb, (int) (f * 256 / 360) & 255); - } - - public static void WriteAngle16(sizebuf_t sb, float f) { - WriteShort(sb, Math3D.ANGLE2SHORT(f)); - } - - public static void WriteDeltaUsercmd(sizebuf_t buf, usercmd_t from, usercmd_t cmd) { - int bits; - - // - // send the movement message - // - bits = 0; - if (cmd.angles[0] != from.angles[0]) - bits |= CM_ANGLE1; - if (cmd.angles[1] != from.angles[1]) - bits |= CM_ANGLE2; - if (cmd.angles[2] != from.angles[2]) - bits |= CM_ANGLE3; - if (cmd.forwardmove != from.forwardmove) - bits |= CM_FORWARD; - if (cmd.sidemove != from.sidemove) - bits |= CM_SIDE; - if (cmd.upmove != from.upmove) - bits |= CM_UP; - if (cmd.buttons != from.buttons) - bits |= CM_BUTTONS; - if (cmd.impulse != from.impulse) - bits |= CM_IMPULSE; - - WriteByte(buf, bits); - - if ((bits & CM_ANGLE1) != 0) - WriteShort(buf, cmd.angles[0]); - if ((bits & CM_ANGLE2) != 0) - WriteShort(buf, cmd.angles[1]); - if ((bits & CM_ANGLE3) != 0) - WriteShort(buf, cmd.angles[2]); - - if ((bits & CM_FORWARD) != 0) - WriteShort(buf, cmd.forwardmove); - if ((bits & CM_SIDE) != 0) - WriteShort(buf, cmd.sidemove); - if ((bits & CM_UP) != 0) - WriteShort(buf, cmd.upmove); - - if ((bits & CM_BUTTONS) != 0) - WriteByte(buf, cmd.buttons); - if ((bits & CM_IMPULSE) != 0) - WriteByte(buf, cmd.impulse); - - WriteByte(buf, cmd.msec); - WriteByte(buf, cmd.lightlevel); - } - - //should be ok. - public static void WriteDir(sizebuf_t sb, float[] dir) { - int i, best; - float d, bestd; - - if (dir == null) { - WriteByte(sb, 0); - return; - } - - bestd = 0; - best = 0; - for (i = 0; i < NUMVERTEXNORMALS; i++) { - d = Math3D.DotProduct(dir, bytedirs[i]); - if (d > bestd) { - bestd = d; - best = i; - } - } - WriteByte(sb, best); - } - - //should be ok. - public static void ReadDir(sizebuf_t sb, float[] dir) { - int b; - - b = ReadByte(sb); - if (b >= NUMVERTEXNORMALS) - Com.Error(ERR_DROP, "MSF_ReadDir: out of range"); - Math3D.VectorCopy(bytedirs[b], dir); - } - - /* - ================== - WriteDeltaEntity - - Writes part of a packetentities message. - Can delta from either a baseline or a previous packet_entity - ================== - */ - public static void WriteDeltaEntity(entity_state_t from, entity_state_t to, sizebuf_t msg, boolean force, boolean newentity) { - int bits; - - if (0 == to.number) - Com.Error(ERR_FATAL, "Unset entity number"); - if (to.number >= MAX_EDICTS) - Com.Error(ERR_FATAL, "Entity number >= MAX_EDICTS"); - - // send an update - bits = 0; - - if (to.number >= 256) - bits |= U_NUMBER16; // number8 is implicit otherwise - - if (to.origin[0] != from.origin[0]) - bits |= U_ORIGIN1; - if (to.origin[1] != from.origin[1]) - bits |= U_ORIGIN2; - if (to.origin[2] != from.origin[2]) - bits |= U_ORIGIN3; - - if (to.angles[0] != from.angles[0]) - bits |= U_ANGLE1; - if (to.angles[1] != from.angles[1]) - bits |= U_ANGLE2; - if (to.angles[2] != from.angles[2]) - bits |= U_ANGLE3; - - if (to.skinnum != from.skinnum) { - if (to.skinnum < 256) - bits |= U_SKIN8; - else if (to.skinnum < 0x10000) - bits |= U_SKIN16; - else - bits |= (U_SKIN8 | U_SKIN16); - } - - if (to.frame != from.frame) { - if (to.frame < 256) - bits |= U_FRAME8; - else - bits |= U_FRAME16; - } - - if (to.effects != from.effects) { - if (to.effects < 256) - bits |= U_EFFECTS8; - else if (to.effects < 0x8000) - bits |= U_EFFECTS16; - else - bits |= U_EFFECTS8 | U_EFFECTS16; - } - - if (to.renderfx != from.renderfx) { - if (to.renderfx < 256) - bits |= U_RENDERFX8; - else if (to.renderfx < 0x8000) - bits |= U_RENDERFX16; - else - bits |= U_RENDERFX8 | U_RENDERFX16; - } - - if (to.solid != from.solid) - bits |= U_SOLID; - - // event is not delta compressed, just 0 compressed - if (to.event != 0) - bits |= U_EVENT; - - if (to.modelindex != from.modelindex) - bits |= U_MODEL; - if (to.modelindex2 != from.modelindex2) - bits |= U_MODEL2; - if (to.modelindex3 != from.modelindex3) - bits |= U_MODEL3; - if (to.modelindex4 != from.modelindex4) - bits |= U_MODEL4; - - if (to.sound != from.sound) - bits |= U_SOUND; - - if (newentity || (to.renderfx & RF_BEAM) != 0) - bits |= U_OLDORIGIN; - - // - // write the message - // - if (bits == 0 && !force) - return; // nothing to send! - - //---------- - - if ((bits & 0xff000000) != 0) - bits |= U_MOREBITS3 | U_MOREBITS2 | U_MOREBITS1; - else if ((bits & 0x00ff0000) != 0) - bits |= U_MOREBITS2 | U_MOREBITS1; - else if ((bits & 0x0000ff00) != 0) - bits |= U_MOREBITS1; - - WriteByte(msg, bits & 255); - - if ((bits & 0xff000000) != 0) { - WriteByte(msg, (bits >>> 8) & 255); - WriteByte(msg, (bits >>> 16) & 255); - WriteByte(msg, (bits >>> 24) & 255); - } - else if ((bits & 0x00ff0000) != 0) { - WriteByte(msg, (bits >>> 8) & 255); - WriteByte(msg, (bits >>> 16) & 255); - } - else if ((bits & 0x0000ff00) != 0) { - WriteByte(msg, (bits >>> 8) & 255); - } - - //---------- - - if ((bits & U_NUMBER16) != 0) - WriteShort(msg, to.number); - else - WriteByte(msg, to.number); - - if ((bits & U_MODEL) != 0) - WriteByte(msg, to.modelindex); - if ((bits & U_MODEL2) != 0) - WriteByte(msg, to.modelindex2); - if ((bits & U_MODEL3) != 0) - WriteByte(msg, to.modelindex3); - if ((bits & U_MODEL4) != 0) - WriteByte(msg, to.modelindex4); - - if ((bits & U_FRAME8) != 0) - WriteByte(msg, to.frame); - if ((bits & U_FRAME16) != 0) - WriteShort(msg, to.frame); - - if ((bits & U_SKIN8) != 0 && (bits & U_SKIN16) != 0) //used for laser colors - WriteInt(msg, to.skinnum); - else if ((bits & U_SKIN8) != 0) - WriteByte(msg, to.skinnum); - else if ((bits & U_SKIN16) != 0) - WriteShort(msg, to.skinnum); - - if ((bits & (U_EFFECTS8 | U_EFFECTS16)) == (U_EFFECTS8 | U_EFFECTS16)) - WriteInt(msg, to.effects); - else if ((bits & U_EFFECTS8) != 0) - WriteByte(msg, to.effects); - else if ((bits & U_EFFECTS16) != 0) - WriteShort(msg, to.effects); - - if ((bits & (U_RENDERFX8 | U_RENDERFX16)) == (U_RENDERFX8 | U_RENDERFX16)) - WriteInt(msg, to.renderfx); - else if ((bits & U_RENDERFX8) != 0) - WriteByte(msg, to.renderfx); - else if ((bits & U_RENDERFX16) != 0) - WriteShort(msg, to.renderfx); - - if ((bits & U_ORIGIN1) != 0) - WriteCoord(msg, to.origin[0]); - if ((bits & U_ORIGIN2) != 0) - WriteCoord(msg, to.origin[1]); - if ((bits & U_ORIGIN3) != 0) - WriteCoord(msg, to.origin[2]); - - if ((bits & U_ANGLE1) != 0) - WriteAngle(msg, to.angles[0]); - if ((bits & U_ANGLE2) != 0) - WriteAngle(msg, to.angles[1]); - if ((bits & U_ANGLE3) != 0) - WriteAngle(msg, to.angles[2]); - - if ((bits & U_OLDORIGIN) != 0) { - WriteCoord(msg, to.old_origin[0]); - WriteCoord(msg, to.old_origin[1]); - WriteCoord(msg, to.old_origin[2]); - } - - if ((bits & U_SOUND) != 0) - WriteByte(msg, to.sound); - if ((bits & U_EVENT) != 0) - WriteByte(msg, to.event); - if ((bits & U_SOLID) != 0) - WriteShort(msg, to.solid); - } - - //============================================================ - - // - // reading functions - // - - public static void BeginReading(sizebuf_t msg) { - msg.readcount = 0; - } - - // returns -1 if no more characters are available, but also [-128 , 127] - public static int ReadChar(sizebuf_t msg_read) { - int c; - - if (msg_read.readcount + 1 > msg_read.cursize) - c = -1; - else - c = msg_read.data[msg_read.readcount]; - msg_read.readcount++; - // kickangles bugfix (rst) - return c; - } - - public static int ReadByte(sizebuf_t msg_read) { - int c; - - if (msg_read.readcount + 1 > msg_read.cursize) - c = -1; - else - c = msg_read.data[msg_read.readcount] & 0xff; - msg_read.readcount++; - - return c; - } - - public static short ReadShort(sizebuf_t msg_read) { - int c; - - if (msg_read.readcount + 2 > msg_read.cursize) - c = -1; - else - c = (short) ((msg_read.data[msg_read.readcount] & 0xff) + (msg_read.data[msg_read.readcount + 1] << 8)); - - msg_read.readcount += 2; - - return (short) c; - } - - public static int ReadLong(sizebuf_t msg_read) { - int c; - - if (msg_read.readcount + 4 > msg_read.cursize) - { - Com.Printf("buffer underrun in ReadLong!"); - c = -1; - } - - else - c = - (msg_read.data[msg_read.readcount] & 0xff) - | ((msg_read.data[msg_read.readcount + 1] & 0xff) << 8) - | ((msg_read.data[msg_read.readcount + 2] & 0xff) << 16) - | ((msg_read.data[msg_read.readcount + 3] & 0xff) << 24); - - msg_read.readcount += 4; - - return c; - } - - public static float ReadFloat(sizebuf_t msg_read) { - int n = ReadLong(msg_read); - return Float.intBitsToFloat(n); - } - - // 2k read buffer. - public static byte readbuf[] = new byte[2048]; - - public static String ReadString(sizebuf_t msg_read) { - - byte c; - int l = 0; - do { - c = (byte)ReadByte(msg_read); - if (c == -1 || c == 0) - break; - - readbuf[l] = c; - l++; - } while (l < 2047); - - return new String(readbuf, 0, l); - } - - public static String ReadStringLine(sizebuf_t msg_read) { - - int l; - byte c; - - l = 0; - do { - c = (byte) ReadChar(msg_read); - if (c == -1 || c == 0 || c == 0x0a) - break; - readbuf[l] = c; - l++; - } while (l < 2047); - - return new String(readbuf, 0, l).trim(); - } - - public static float ReadCoord(sizebuf_t msg_read) { - return ReadShort(msg_read) * (1.0f / 8); - } - - public static void ReadPos(sizebuf_t msg_read, float pos[]) { - assert(pos.length == 3) : "vec3_t bug"; - pos[0] = ReadShort(msg_read) * (1.0f / 8); - pos[1] = ReadShort(msg_read) * (1.0f / 8); - pos[2] = ReadShort(msg_read) * (1.0f / 8); - } - - public static float ReadAngle(sizebuf_t msg_read) { - return ReadChar(msg_read) * (360.0f / 256); - } - - public static float ReadAngle16(sizebuf_t msg_read) { - return Math3D.SHORT2ANGLE(ReadShort(msg_read)); - } - - public static void ReadDeltaUsercmd(sizebuf_t msg_read, usercmd_t from, usercmd_t move) { - int bits; - - //memcpy(move, from, sizeof(* move)); - // IMPORTANT!! copy without new - move.set(from); - bits = ReadByte(msg_read); - - // read current angles - if ((bits & CM_ANGLE1) != 0) - move.angles[0] = ReadShort(msg_read); - if ((bits & CM_ANGLE2) != 0) - move.angles[1] = ReadShort(msg_read); - if ((bits & CM_ANGLE3) != 0) - move.angles[2] = ReadShort(msg_read); - - // read movement - if ((bits & CM_FORWARD) != 0) - move.forwardmove = ReadShort(msg_read); - if ((bits & CM_SIDE) != 0) - move.sidemove = ReadShort(msg_read); - if ((bits & CM_UP) != 0) - move.upmove = ReadShort(msg_read); - - // read buttons - if ((bits & CM_BUTTONS) != 0) - move.buttons = (byte) ReadByte(msg_read); - - if ((bits & CM_IMPULSE) != 0) - move.impulse = (byte) ReadByte(msg_read); - - // read time to run command - move.msec = (byte) ReadByte(msg_read); - - // read the light level - move.lightlevel = (byte) ReadByte(msg_read); - - } - - public static void ReadData(sizebuf_t msg_read, byte data[], int len) { - for (int i = 0; i < len; i++) - data[i] = (byte) ReadByte(msg_read); - } -} +public class MSG extends Globals { + + // + // writing functions + // + + //ok. + public static void WriteChar(sizebuf_t sb, int c) { + sb.data[SZ.GetSpace(sb, 1)] = (byte) (c & 0xFF); + } + + //ok. + public static void WriteChar(sizebuf_t sb, float c) { + + WriteChar(sb, (int) c); + } + + //ok. + public static void WriteByte(sizebuf_t sb, int c) { + sb.data[SZ.GetSpace(sb, 1)] = (byte) (c & 0xFF); + } + + //ok. + public static void WriteByte(sizebuf_t sb, float c) { + WriteByte(sb, (int) c); + } + + public static void WriteShort(sizebuf_t sb, int c) { + int i = SZ.GetSpace(sb, 2); + sb.data[i++] = (byte) (c & 0xff); + sb.data[i] = (byte) ((c >>> 8) & 0xFF); + } + + //ok. + public static void WriteInt(sizebuf_t sb, int c) { + int i = SZ.GetSpace(sb, 4); + sb.data[i++] = (byte) ((c & 0xff)); + sb.data[i++] = (byte) ((c >>> 8) & 0xff); + sb.data[i++] = (byte) ((c >>> 16) & 0xff); + sb.data[i++] = (byte) ((c >>> 24) & 0xff); + } + + //ok. + public static void WriteLong(sizebuf_t sb, int c) { + WriteInt(sb, c); + } + + //ok. + public static void WriteFloat(sizebuf_t sb, float f) { + WriteInt(sb, Float.floatToIntBits(f)); + } + + // had a bug, now its ok. + public static void WriteString(sizebuf_t sb, String s) { + String x = s; + + if (s == null) + x = ""; + + SZ.Write(sb, x.getBytes()); + WriteByte(sb, 0); + } + + //ok. + public static void WriteString(sizebuf_t sb, byte s[]) { + WriteString(sb, new String(s).trim()); + } + + public static void WriteCoord(sizebuf_t sb, float f) { + WriteShort(sb, (int) (f * 8)); + } + + public static void WritePos(sizebuf_t sb, float[] pos) { + assert (pos.length == 3) : "vec3_t bug"; + WriteShort(sb, (int) (pos[0] * 8)); + WriteShort(sb, (int) (pos[1] * 8)); + WriteShort(sb, (int) (pos[2] * 8)); + } + + public static void WriteAngle(sizebuf_t sb, float f) { + WriteByte(sb, (int) (f * 256 / 360) & 255); + } + + public static void WriteAngle16(sizebuf_t sb, float f) { + WriteShort(sb, Math3D.ANGLE2SHORT(f)); + } + + public static void WriteDeltaUsercmd(sizebuf_t buf, usercmd_t from, + usercmd_t cmd) { + int bits; + + // + // send the movement message + // + bits = 0; + if (cmd.angles[0] != from.angles[0]) + bits |= CM_ANGLE1; + if (cmd.angles[1] != from.angles[1]) + bits |= CM_ANGLE2; + if (cmd.angles[2] != from.angles[2]) + bits |= CM_ANGLE3; + if (cmd.forwardmove != from.forwardmove) + bits |= CM_FORWARD; + if (cmd.sidemove != from.sidemove) + bits |= CM_SIDE; + if (cmd.upmove != from.upmove) + bits |= CM_UP; + if (cmd.buttons != from.buttons) + bits |= CM_BUTTONS; + if (cmd.impulse != from.impulse) + bits |= CM_IMPULSE; + + WriteByte(buf, bits); + + if ((bits & CM_ANGLE1) != 0) + WriteShort(buf, cmd.angles[0]); + if ((bits & CM_ANGLE2) != 0) + WriteShort(buf, cmd.angles[1]); + if ((bits & CM_ANGLE3) != 0) + WriteShort(buf, cmd.angles[2]); + + if ((bits & CM_FORWARD) != 0) + WriteShort(buf, cmd.forwardmove); + if ((bits & CM_SIDE) != 0) + WriteShort(buf, cmd.sidemove); + if ((bits & CM_UP) != 0) + WriteShort(buf, cmd.upmove); + + if ((bits & CM_BUTTONS) != 0) + WriteByte(buf, cmd.buttons); + if ((bits & CM_IMPULSE) != 0) + WriteByte(buf, cmd.impulse); + + WriteByte(buf, cmd.msec); + WriteByte(buf, cmd.lightlevel); + } + + //should be ok. + public static void WriteDir(sizebuf_t sb, float[] dir) { + int i, best; + float d, bestd; + + if (dir == null) { + WriteByte(sb, 0); + return; + } + + bestd = 0; + best = 0; + for (i = 0; i < NUMVERTEXNORMALS; i++) { + d = Math3D.DotProduct(dir, bytedirs[i]); + if (d > bestd) { + bestd = d; + best = i; + } + } + WriteByte(sb, best); + } + + //should be ok. + public static void ReadDir(sizebuf_t sb, float[] dir) { + int b; + + b = ReadByte(sb); + if (b >= NUMVERTEXNORMALS) + Com.Error(ERR_DROP, "MSF_ReadDir: out of range"); + Math3D.VectorCopy(bytedirs[b], dir); + } + + /* + * ================== WriteDeltaEntity + * + * Writes part of a packetentities message. Can delta from either a baseline + * or a previous packet_entity ================== + */ + public static void WriteDeltaEntity(entity_state_t from, entity_state_t to, + sizebuf_t msg, boolean force, boolean newentity) { + int bits; + + if (0 == to.number) + Com.Error(ERR_FATAL, "Unset entity number"); + if (to.number >= MAX_EDICTS) + Com.Error(ERR_FATAL, "Entity number >= MAX_EDICTS"); + + // send an update + bits = 0; + + if (to.number >= 256) + bits |= U_NUMBER16; // number8 is implicit otherwise + + if (to.origin[0] != from.origin[0]) + bits |= U_ORIGIN1; + if (to.origin[1] != from.origin[1]) + bits |= U_ORIGIN2; + if (to.origin[2] != from.origin[2]) + bits |= U_ORIGIN3; + + if (to.angles[0] != from.angles[0]) + bits |= U_ANGLE1; + if (to.angles[1] != from.angles[1]) + bits |= U_ANGLE2; + if (to.angles[2] != from.angles[2]) + bits |= U_ANGLE3; + + if (to.skinnum != from.skinnum) { + if (to.skinnum < 256) + bits |= U_SKIN8; + else if (to.skinnum < 0x10000) + bits |= U_SKIN16; + else + bits |= (U_SKIN8 | U_SKIN16); + } + + if (to.frame != from.frame) { + if (to.frame < 256) + bits |= U_FRAME8; + else + bits |= U_FRAME16; + } + + if (to.effects != from.effects) { + if (to.effects < 256) + bits |= U_EFFECTS8; + else if (to.effects < 0x8000) + bits |= U_EFFECTS16; + else + bits |= U_EFFECTS8 | U_EFFECTS16; + } + + if (to.renderfx != from.renderfx) { + if (to.renderfx < 256) + bits |= U_RENDERFX8; + else if (to.renderfx < 0x8000) + bits |= U_RENDERFX16; + else + bits |= U_RENDERFX8 | U_RENDERFX16; + } + + if (to.solid != from.solid) + bits |= U_SOLID; + + // event is not delta compressed, just 0 compressed + if (to.event != 0) + bits |= U_EVENT; + + if (to.modelindex != from.modelindex) + bits |= U_MODEL; + if (to.modelindex2 != from.modelindex2) + bits |= U_MODEL2; + if (to.modelindex3 != from.modelindex3) + bits |= U_MODEL3; + if (to.modelindex4 != from.modelindex4) + bits |= U_MODEL4; + + if (to.sound != from.sound) + bits |= U_SOUND; + + if (newentity || (to.renderfx & RF_BEAM) != 0) + bits |= U_OLDORIGIN; + + // + // write the message + // + if (bits == 0 && !force) + return; // nothing to send! + + //---------- + + if ((bits & 0xff000000) != 0) + bits |= U_MOREBITS3 | U_MOREBITS2 | U_MOREBITS1; + else if ((bits & 0x00ff0000) != 0) + bits |= U_MOREBITS2 | U_MOREBITS1; + else if ((bits & 0x0000ff00) != 0) + bits |= U_MOREBITS1; + + WriteByte(msg, bits & 255); + + if ((bits & 0xff000000) != 0) { + WriteByte(msg, (bits >>> 8) & 255); + WriteByte(msg, (bits >>> 16) & 255); + WriteByte(msg, (bits >>> 24) & 255); + } else if ((bits & 0x00ff0000) != 0) { + WriteByte(msg, (bits >>> 8) & 255); + WriteByte(msg, (bits >>> 16) & 255); + } else if ((bits & 0x0000ff00) != 0) { + WriteByte(msg, (bits >>> 8) & 255); + } + + //---------- + + if ((bits & U_NUMBER16) != 0) + WriteShort(msg, to.number); + else + WriteByte(msg, to.number); + + if ((bits & U_MODEL) != 0) + WriteByte(msg, to.modelindex); + if ((bits & U_MODEL2) != 0) + WriteByte(msg, to.modelindex2); + if ((bits & U_MODEL3) != 0) + WriteByte(msg, to.modelindex3); + if ((bits & U_MODEL4) != 0) + WriteByte(msg, to.modelindex4); + + if ((bits & U_FRAME8) != 0) + WriteByte(msg, to.frame); + if ((bits & U_FRAME16) != 0) + WriteShort(msg, to.frame); + + if ((bits & U_SKIN8) != 0 && (bits & U_SKIN16) != 0) //used for laser + // colors + WriteInt(msg, to.skinnum); + else if ((bits & U_SKIN8) != 0) + WriteByte(msg, to.skinnum); + else if ((bits & U_SKIN16) != 0) + WriteShort(msg, to.skinnum); + + if ((bits & (U_EFFECTS8 | U_EFFECTS16)) == (U_EFFECTS8 | U_EFFECTS16)) + WriteInt(msg, to.effects); + else if ((bits & U_EFFECTS8) != 0) + WriteByte(msg, to.effects); + else if ((bits & U_EFFECTS16) != 0) + WriteShort(msg, to.effects); + + if ((bits & (U_RENDERFX8 | U_RENDERFX16)) == (U_RENDERFX8 | U_RENDERFX16)) + WriteInt(msg, to.renderfx); + else if ((bits & U_RENDERFX8) != 0) + WriteByte(msg, to.renderfx); + else if ((bits & U_RENDERFX16) != 0) + WriteShort(msg, to.renderfx); + + if ((bits & U_ORIGIN1) != 0) + WriteCoord(msg, to.origin[0]); + if ((bits & U_ORIGIN2) != 0) + WriteCoord(msg, to.origin[1]); + if ((bits & U_ORIGIN3) != 0) + WriteCoord(msg, to.origin[2]); + + if ((bits & U_ANGLE1) != 0) + WriteAngle(msg, to.angles[0]); + if ((bits & U_ANGLE2) != 0) + WriteAngle(msg, to.angles[1]); + if ((bits & U_ANGLE3) != 0) + WriteAngle(msg, to.angles[2]); + + if ((bits & U_OLDORIGIN) != 0) { + WriteCoord(msg, to.old_origin[0]); + WriteCoord(msg, to.old_origin[1]); + WriteCoord(msg, to.old_origin[2]); + } + + if ((bits & U_SOUND) != 0) + WriteByte(msg, to.sound); + if ((bits & U_EVENT) != 0) + WriteByte(msg, to.event); + if ((bits & U_SOLID) != 0) + WriteShort(msg, to.solid); + } + + //============================================================ + + // + // reading functions + // + + public static void BeginReading(sizebuf_t msg) { + msg.readcount = 0; + } + + // returns -1 if no more characters are available, but also [-128 , 127] + public static int ReadChar(sizebuf_t msg_read) { + int c; + + if (msg_read.readcount + 1 > msg_read.cursize) + c = -1; + else + c = msg_read.data[msg_read.readcount]; + msg_read.readcount++; + // kickangles bugfix (rst) + return c; + } + + public static int ReadByte(sizebuf_t msg_read) { + int c; + + if (msg_read.readcount + 1 > msg_read.cursize) + c = -1; + else + c = msg_read.data[msg_read.readcount] & 0xff; + msg_read.readcount++; + + return c; + } + + public static short ReadShort(sizebuf_t msg_read) { + int c; + + if (msg_read.readcount + 2 > msg_read.cursize) + c = -1; + else + c = (short) ((msg_read.data[msg_read.readcount] & 0xff) + (msg_read.data[msg_read.readcount + 1] << 8)); + + msg_read.readcount += 2; + + return (short) c; + } + + public static int ReadLong(sizebuf_t msg_read) { + int c; + + if (msg_read.readcount + 4 > msg_read.cursize) { + Com.Printf("buffer underrun in ReadLong!"); + c = -1; + } + + else + c = (msg_read.data[msg_read.readcount] & 0xff) + | ((msg_read.data[msg_read.readcount + 1] & 0xff) << 8) + | ((msg_read.data[msg_read.readcount + 2] & 0xff) << 16) + | ((msg_read.data[msg_read.readcount + 3] & 0xff) << 24); + + msg_read.readcount += 4; + + return c; + } + + public static float ReadFloat(sizebuf_t msg_read) { + int n = ReadLong(msg_read); + return Float.intBitsToFloat(n); + } + + // 2k read buffer. + public static byte readbuf[] = new byte[2048]; + + public static String ReadString(sizebuf_t msg_read) { + + byte c; + int l = 0; + do { + c = (byte) ReadByte(msg_read); + if (c == -1 || c == 0) + break; + + readbuf[l] = c; + l++; + } while (l < 2047); + + return new String(readbuf, 0, l); + } + + public static String ReadStringLine(sizebuf_t msg_read) { + + int l; + byte c; + + l = 0; + do { + c = (byte) ReadChar(msg_read); + if (c == -1 || c == 0 || c == 0x0a) + break; + readbuf[l] = c; + l++; + } while (l < 2047); + + return new String(readbuf, 0, l).trim(); + } + + public static float ReadCoord(sizebuf_t msg_read) { + return ReadShort(msg_read) * (1.0f / 8); + } + + public static void ReadPos(sizebuf_t msg_read, float pos[]) { + assert (pos.length == 3) : "vec3_t bug"; + pos[0] = ReadShort(msg_read) * (1.0f / 8); + pos[1] = ReadShort(msg_read) * (1.0f / 8); + pos[2] = ReadShort(msg_read) * (1.0f / 8); + } + + public static float ReadAngle(sizebuf_t msg_read) { + return ReadChar(msg_read) * (360.0f / 256); + } + + public static float ReadAngle16(sizebuf_t msg_read) { + return Math3D.SHORT2ANGLE(ReadShort(msg_read)); + } + + public static void ReadDeltaUsercmd(sizebuf_t msg_read, usercmd_t from, + usercmd_t move) { + int bits; + + //memcpy(move, from, sizeof(* move)); + // IMPORTANT!! copy without new + move.set(from); + bits = ReadByte(msg_read); + + // read current angles + if ((bits & CM_ANGLE1) != 0) + move.angles[0] = ReadShort(msg_read); + if ((bits & CM_ANGLE2) != 0) + move.angles[1] = ReadShort(msg_read); + if ((bits & CM_ANGLE3) != 0) + move.angles[2] = ReadShort(msg_read); + + // read movement + if ((bits & CM_FORWARD) != 0) + move.forwardmove = ReadShort(msg_read); + if ((bits & CM_SIDE) != 0) + move.sidemove = ReadShort(msg_read); + if ((bits & CM_UP) != 0) + move.upmove = ReadShort(msg_read); + + // read buttons + if ((bits & CM_BUTTONS) != 0) + move.buttons = (byte) ReadByte(msg_read); + + if ((bits & CM_IMPULSE) != 0) + move.impulse = (byte) ReadByte(msg_read); + + // read time to run command + move.msec = (byte) ReadByte(msg_read); + + // read the light level + move.lightlevel = (byte) ReadByte(msg_read); + + } + + public static void ReadData(sizebuf_t msg_read, byte data[], int len) { + for (int i = 0; i < len; i++) + data[i] = (byte) ReadByte(msg_read); + } +}
\ No newline at end of file |