3e93aa459d
In future, net_buffer might get moved to libpublic. Also, get rid of 32-th bit write mask, it's only get used when we're trying to write zero bits value which is nonsense.
1007 lines
32 KiB
C
1007 lines
32 KiB
C
/*
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net_buffer.c - network bitbuffer io functions
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Copyright (C) 2010 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include "common.h"
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#include "protocol.h"
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#include "net_buffer.h"
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#include "xash3d_mathlib.h"
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static const uint32_t BitWriteMasks[32][32] =
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{ {
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0xfffffffe, 0xfffffffc, 0xfffffff8, 0xfffffff0, 0xffffffe0, 0xffffffc0, 0xffffff80, 0xffffff00,
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0xfffffe00, 0xfffffc00, 0xfffff800, 0xfffff000, 0xffffe000, 0xffffc000, 0xffff8000, 0xffff0000,
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0xfffe0000, 0xfffc0000, 0xfff80000, 0xfff00000, 0xffe00000, 0xffc00000, 0xff800000, 0xff000000,
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0xfe000000, 0xfc000000, 0xf8000000, 0xf0000000, 0xe0000000, 0xc0000000, 0x80000000, 0x00000000,
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}, {
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0xfffffffd, 0xfffffff9, 0xfffffff1, 0xffffffe1, 0xffffffc1, 0xffffff81, 0xffffff01, 0xfffffe01,
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0xfffffc01, 0xfffff801, 0xfffff001, 0xffffe001, 0xffffc001, 0xffff8001, 0xffff0001, 0xfffe0001,
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0xfffc0001, 0xfff80001, 0xfff00001, 0xffe00001, 0xffc00001, 0xff800001, 0xff000001, 0xfe000001,
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0xfc000001, 0xf8000001, 0xf0000001, 0xe0000001, 0xc0000001, 0x80000001, 0x00000001, 0x00000001,
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}, {
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0xfffffffb, 0xfffffff3, 0xffffffe3, 0xffffffc3, 0xffffff83, 0xffffff03, 0xfffffe03, 0xfffffc03,
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0xfffff803, 0xfffff003, 0xffffe003, 0xffffc003, 0xffff8003, 0xffff0003, 0xfffe0003, 0xfffc0003,
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0xfff80003, 0xfff00003, 0xffe00003, 0xffc00003, 0xff800003, 0xff000003, 0xfe000003, 0xfc000003,
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0xf8000003, 0xf0000003, 0xe0000003, 0xc0000003, 0x80000003, 0x00000003, 0x00000003, 0x00000003,
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}, {
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0xfffffff7, 0xffffffe7, 0xffffffc7, 0xffffff87, 0xffffff07, 0xfffffe07, 0xfffffc07, 0xfffff807,
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0xfffff007, 0xffffe007, 0xffffc007, 0xffff8007, 0xffff0007, 0xfffe0007, 0xfffc0007, 0xfff80007,
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0xfff00007, 0xffe00007, 0xffc00007, 0xff800007, 0xff000007, 0xfe000007, 0xfc000007, 0xf8000007,
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0xf0000007, 0xe0000007, 0xc0000007, 0x80000007, 0x00000007, 0x00000007, 0x00000007, 0x00000007,
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}, {
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0xffffffef, 0xffffffcf, 0xffffff8f, 0xffffff0f, 0xfffffe0f, 0xfffffc0f, 0xfffff80f, 0xfffff00f,
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0xffffe00f, 0xffffc00f, 0xffff800f, 0xffff000f, 0xfffe000f, 0xfffc000f, 0xfff8000f, 0xfff0000f,
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0xffe0000f, 0xffc0000f, 0xff80000f, 0xff00000f, 0xfe00000f, 0xfc00000f, 0xf800000f, 0xf000000f,
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0xe000000f, 0xc000000f, 0x8000000f, 0x0000000f, 0x0000000f, 0x0000000f, 0x0000000f, 0x0000000f,
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}, {
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0xffffffdf, 0xffffff9f, 0xffffff1f, 0xfffffe1f, 0xfffffc1f, 0xfffff81f, 0xfffff01f, 0xffffe01f,
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0xffffc01f, 0xffff801f, 0xffff001f, 0xfffe001f, 0xfffc001f, 0xfff8001f, 0xfff0001f, 0xffe0001f,
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0xffc0001f, 0xff80001f, 0xff00001f, 0xfe00001f, 0xfc00001f, 0xf800001f, 0xf000001f, 0xe000001f,
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0xc000001f, 0x8000001f, 0x0000001f, 0x0000001f, 0x0000001f, 0x0000001f, 0x0000001f, 0x0000001f,
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}, {
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0xffffffbf, 0xffffff3f, 0xfffffe3f, 0xfffffc3f, 0xfffff83f, 0xfffff03f, 0xffffe03f, 0xffffc03f,
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0xffff803f, 0xffff003f, 0xfffe003f, 0xfffc003f, 0xfff8003f, 0xfff0003f, 0xffe0003f, 0xffc0003f,
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0xff80003f, 0xff00003f, 0xfe00003f, 0xfc00003f, 0xf800003f, 0xf000003f, 0xe000003f, 0xc000003f,
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0x8000003f, 0x0000003f, 0x0000003f, 0x0000003f, 0x0000003f, 0x0000003f, 0x0000003f, 0x0000003f,
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}, {
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0xffffff7f, 0xfffffe7f, 0xfffffc7f, 0xfffff87f, 0xfffff07f, 0xffffe07f, 0xffffc07f, 0xffff807f,
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0xffff007f, 0xfffe007f, 0xfffc007f, 0xfff8007f, 0xfff0007f, 0xffe0007f, 0xffc0007f, 0xff80007f,
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0xff00007f, 0xfe00007f, 0xfc00007f, 0xf800007f, 0xf000007f, 0xe000007f, 0xc000007f, 0x8000007f,
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0x0000007f, 0x0000007f, 0x0000007f, 0x0000007f, 0x0000007f, 0x0000007f, 0x0000007f, 0x0000007f,
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}, {
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0xfffffeff, 0xfffffcff, 0xfffff8ff, 0xfffff0ff, 0xffffe0ff, 0xffffc0ff, 0xffff80ff, 0xffff00ff,
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0xfffe00ff, 0xfffc00ff, 0xfff800ff, 0xfff000ff, 0xffe000ff, 0xffc000ff, 0xff8000ff, 0xff0000ff,
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0xfe0000ff, 0xfc0000ff, 0xf80000ff, 0xf00000ff, 0xe00000ff, 0xc00000ff, 0x800000ff, 0x000000ff,
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0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff,
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}, {
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0xfffffdff, 0xfffff9ff, 0xfffff1ff, 0xffffe1ff, 0xffffc1ff, 0xffff81ff, 0xffff01ff, 0xfffe01ff,
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0xfffc01ff, 0xfff801ff, 0xfff001ff, 0xffe001ff, 0xffc001ff, 0xff8001ff, 0xff0001ff, 0xfe0001ff,
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0xfc0001ff, 0xf80001ff, 0xf00001ff, 0xe00001ff, 0xc00001ff, 0x800001ff, 0x000001ff, 0x000001ff,
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0x000001ff, 0x000001ff, 0x000001ff, 0x000001ff, 0x000001ff, 0x000001ff, 0x000001ff, 0x000001ff,
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}, {
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0xfffffbff, 0xfffff3ff, 0xffffe3ff, 0xffffc3ff, 0xffff83ff, 0xffff03ff, 0xfffe03ff, 0xfffc03ff,
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0xfff803ff, 0xfff003ff, 0xffe003ff, 0xffc003ff, 0xff8003ff, 0xff0003ff, 0xfe0003ff, 0xfc0003ff,
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0xf80003ff, 0xf00003ff, 0xe00003ff, 0xc00003ff, 0x800003ff, 0x000003ff, 0x000003ff, 0x000003ff,
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0x000003ff, 0x000003ff, 0x000003ff, 0x000003ff, 0x000003ff, 0x000003ff, 0x000003ff, 0x000003ff,
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}, {
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0xfffff7ff, 0xffffe7ff, 0xffffc7ff, 0xffff87ff, 0xffff07ff, 0xfffe07ff, 0xfffc07ff, 0xfff807ff,
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0xfff007ff, 0xffe007ff, 0xffc007ff, 0xff8007ff, 0xff0007ff, 0xfe0007ff, 0xfc0007ff, 0xf80007ff,
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0xf00007ff, 0xe00007ff, 0xc00007ff, 0x800007ff, 0x000007ff, 0x000007ff, 0x000007ff, 0x000007ff,
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0x000007ff, 0x000007ff, 0x000007ff, 0x000007ff, 0x000007ff, 0x000007ff, 0x000007ff, 0x000007ff,
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}, {
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0xffffefff, 0xffffcfff, 0xffff8fff, 0xffff0fff, 0xfffe0fff, 0xfffc0fff, 0xfff80fff, 0xfff00fff,
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0xffe00fff, 0xffc00fff, 0xff800fff, 0xff000fff, 0xfe000fff, 0xfc000fff, 0xf8000fff, 0xf0000fff,
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0xe0000fff, 0xc0000fff, 0x80000fff, 0x00000fff, 0x00000fff, 0x00000fff, 0x00000fff, 0x00000fff,
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0x00000fff, 0x00000fff, 0x00000fff, 0x00000fff, 0x00000fff, 0x00000fff, 0x00000fff, 0x00000fff,
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}, {
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0xffffdfff, 0xffff9fff, 0xffff1fff, 0xfffe1fff, 0xfffc1fff, 0xfff81fff, 0xfff01fff, 0xffe01fff,
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0xffc01fff, 0xff801fff, 0xff001fff, 0xfe001fff, 0xfc001fff, 0xf8001fff, 0xf0001fff, 0xe0001fff,
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0xc0001fff, 0x80001fff, 0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff,
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0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff, 0x00001fff,
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}, {
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0xffffbfff, 0xffff3fff, 0xfffe3fff, 0xfffc3fff, 0xfff83fff, 0xfff03fff, 0xffe03fff, 0xffc03fff,
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0xff803fff, 0xff003fff, 0xfe003fff, 0xfc003fff, 0xf8003fff, 0xf0003fff, 0xe0003fff, 0xc0003fff,
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0x80003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff,
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0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff, 0x00003fff,
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}, {
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0xffff7fff, 0xfffe7fff, 0xfffc7fff, 0xfff87fff, 0xfff07fff, 0xffe07fff, 0xffc07fff, 0xff807fff,
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0xff007fff, 0xfe007fff, 0xfc007fff, 0xf8007fff, 0xf0007fff, 0xe0007fff, 0xc0007fff, 0x80007fff,
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0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff,
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0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff, 0x00007fff,
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}, {
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0xfffeffff, 0xfffcffff, 0xfff8ffff, 0xfff0ffff, 0xffe0ffff, 0xffc0ffff, 0xff80ffff, 0xff00ffff,
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0xfe00ffff, 0xfc00ffff, 0xf800ffff, 0xf000ffff, 0xe000ffff, 0xc000ffff, 0x8000ffff, 0x0000ffff,
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0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff,
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0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff, 0x0000ffff,
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}, {
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0xfffdffff, 0xfff9ffff, 0xfff1ffff, 0xffe1ffff, 0xffc1ffff, 0xff81ffff, 0xff01ffff, 0xfe01ffff,
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0xfc01ffff, 0xf801ffff, 0xf001ffff, 0xe001ffff, 0xc001ffff, 0x8001ffff, 0x0001ffff, 0x0001ffff,
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0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff,
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0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff, 0x0001ffff,
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}, {
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0xfffbffff, 0xfff3ffff, 0xffe3ffff, 0xffc3ffff, 0xff83ffff, 0xff03ffff, 0xfe03ffff, 0xfc03ffff,
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0xf803ffff, 0xf003ffff, 0xe003ffff, 0xc003ffff, 0x8003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff,
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0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff,
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0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff,
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}, {
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0xfff7ffff, 0xffe7ffff, 0xffc7ffff, 0xff87ffff, 0xff07ffff, 0xfe07ffff, 0xfc07ffff, 0xf807ffff,
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0xf007ffff, 0xe007ffff, 0xc007ffff, 0x8007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff,
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0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff,
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0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff, 0x0007ffff,
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}, {
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0xffefffff, 0xffcfffff, 0xff8fffff, 0xff0fffff, 0xfe0fffff, 0xfc0fffff, 0xf80fffff, 0xf00fffff,
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0xe00fffff, 0xc00fffff, 0x800fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff,
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0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff,
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0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff, 0x000fffff,
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}, {
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0xffdfffff, 0xff9fffff, 0xff1fffff, 0xfe1fffff, 0xfc1fffff, 0xf81fffff, 0xf01fffff, 0xe01fffff,
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0xc01fffff, 0x801fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff,
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0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff,
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0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff, 0x001fffff,
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}, {
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0xffbfffff, 0xff3fffff, 0xfe3fffff, 0xfc3fffff, 0xf83fffff, 0xf03fffff, 0xe03fffff, 0xc03fffff,
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0x803fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff,
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0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff,
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0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff, 0x003fffff,
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}, {
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0xff7fffff, 0xfe7fffff, 0xfc7fffff, 0xf87fffff, 0xf07fffff, 0xe07fffff, 0xc07fffff, 0x807fffff,
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0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff,
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0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff,
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0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff, 0x007fffff,
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}, {
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0xfeffffff, 0xfcffffff, 0xf8ffffff, 0xf0ffffff, 0xe0ffffff, 0xc0ffffff, 0x80ffffff, 0x00ffffff,
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0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff,
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0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff,
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0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff,
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}, {
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0xfdffffff, 0xf9ffffff, 0xf1ffffff, 0xe1ffffff, 0xc1ffffff, 0x81ffffff, 0x01ffffff, 0x01ffffff,
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0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
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0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
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0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
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}, {
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0xfbffffff, 0xf3ffffff, 0xe3ffffff, 0xc3ffffff, 0x83ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff,
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0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff,
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0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff,
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0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff, 0x03ffffff,
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}, {
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0xf7ffffff, 0xe7ffffff, 0xc7ffffff, 0x87ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff,
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0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff,
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0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff,
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0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff, 0x07ffffff,
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}, {
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0xefffffff, 0xcfffffff, 0x8fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff,
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0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff,
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0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff,
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0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff, 0x0fffffff,
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}, {
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0xdfffffff, 0x9fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff,
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0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff,
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0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff,
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0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff, 0x1fffffff,
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}, {
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0xbfffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff,
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0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff,
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0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff,
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0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff,
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}, {
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0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff,
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0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff,
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0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff,
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0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff,
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} };
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static const uint32_t ExtraMasks[32] =
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{
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0x00000000, 0x00000001, 0x00000003, 0x00000007, 0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f,
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0x000000ff, 0x000001ff, 0x000003ff, 0x000007ff, 0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff,
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0x0000ffff, 0x0001ffff, 0x0003ffff, 0x0007ffff, 0x000fffff, 0x001fffff, 0x003fffff, 0x007fffff,
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0x00ffffff, 0x01ffffff, 0x03ffffff, 0x07ffffff, 0x0fffffff, 0x1fffffff, 0x3fffffff, 0x7fffffff,
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};
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const char *const svc_strings[svc_lastmsg+1] =
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{
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"svc_bad",
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"svc_nop",
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"svc_disconnect",
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"svc_event",
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"svc_changing",
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"svc_setview",
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"svc_sound",
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"svc_time",
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"svc_print",
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"svc_stufftext",
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"svc_setangle",
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"svc_serverdata",
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"svc_lightstyle",
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"svc_updateuserinfo",
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"svc_deltatable",
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"svc_clientdata",
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"svc_resource",
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"svc_pings",
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"svc_particle",
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"svc_restoresound",
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"svc_spawnstatic",
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"svc_event_reliable",
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"svc_spawnbaseline",
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"svc_temp_entity",
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"svc_setpause",
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"svc_signonnum",
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"svc_centerprint",
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"svc_unused27",
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"svc_unused28",
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"svc_unused29",
|
|
"svc_intermission",
|
|
"svc_finale",
|
|
"svc_cdtrack",
|
|
"svc_restore",
|
|
"svc_cutscene",
|
|
"svc_weaponanim",
|
|
"svc_bspdecal",
|
|
"svc_roomtype",
|
|
"svc_addangle",
|
|
"svc_usermessage",
|
|
"svc_packetentities",
|
|
"svc_deltapacketentities",
|
|
"svc_choke",
|
|
"svc_resourcelist",
|
|
"svc_deltamovevars",
|
|
"svc_resourcerequest",
|
|
"svc_customization",
|
|
"svc_crosshairangle",
|
|
"svc_soundfade",
|
|
"svc_filetxferfailed",
|
|
"svc_hltv",
|
|
"svc_director",
|
|
"svc_voiceinit",
|
|
"svc_voicedata",
|
|
"svc_unused54",
|
|
"svc_unused55",
|
|
"svc_resourcelocation",
|
|
"svc_querycvarvalue",
|
|
"svc_querycvarvalue2",
|
|
"svc_exec",
|
|
};
|
|
|
|
const char *const svc_legacy_strings[svc_lastmsg+1] =
|
|
{
|
|
[svc_legacy_changing] = "svc_legacy_changing",
|
|
[svc_legacy_ambientsound] = "svc_legacy_ambientsound",
|
|
[svc_legacy_soundindex] = "svc_legacy_soundindex",
|
|
[svc_legacy_ambientsound] = "svc_legacy_ambientsound",
|
|
[svc_legacy_modelindex] = "svc_legacy_modelindex",
|
|
[svc_legacy_eventindex] = "svc_legacy_eventindex",
|
|
[svc_legacy_chokecount] = "svc_legacy_chokecount",
|
|
};
|
|
|
|
const char *const svc_goldsrc_strings[svc_lastmsg+1] =
|
|
{
|
|
[svc_goldsrc_version] = "svc_goldsrc_version",
|
|
[svc_goldsrc_stopsound] = "svc_goldsrc_stopsound",
|
|
[svc_goldsrc_damage] = "svc_goldsrc_damage",
|
|
[svc_goldsrc_killedmonster] = "svc_goldsrc_killedmonster",
|
|
[svc_goldsrc_foundsecret] = "svc_goldsrc_foundsecret",
|
|
[svc_goldsrc_spawnstaticsound] = "svc_goldsrc_spawnstaticsound",
|
|
[svc_goldsrc_decalname] = "svc_goldsrc_decalname",
|
|
[svc_goldsrc_sendextrainfo] = "svc_goldsrc_sendextrainfo",
|
|
[svc_goldsrc_timescale] = "svc_goldsrc_timescale",
|
|
};
|
|
|
|
const char *const svc_quake_strings[svc_lastmsg+1] =
|
|
{
|
|
[svc_updatestat] = "svc_quake_updatestat",
|
|
[svc_version] = "svc_quake_version",
|
|
[svc_updatename] = "svc_quake_updatename",
|
|
[svc_updatefrags] = "svc_quake_updatefrags",
|
|
[svc_stopsound] = "svc_quake_stopsound",
|
|
[svc_updatecolors] = "svc_quake_updatecolors",
|
|
[svc_damage] = "svc_quake_damage",
|
|
[svc_spawnbinary] = "svc_quake_spawnbinary",
|
|
[svc_killedmonster] = "svc_quake_killedmonster",
|
|
[svc_foundsecret] = "svc_quake_foundsecret",
|
|
[svc_spawnstaticsound] = "svc_quake_spawnstaticsound",
|
|
[svc_sellscreen] = "svc_quake_sellscreen",
|
|
[svc_showlmp] = "svc_quake_showlmp",
|
|
[svc_hidelmp] = "svc_quake_hidelmp",
|
|
[svc_skybox] = "svc_quake_skybox",
|
|
[svc_skyboxsize] = "svc_quake_skyboxsize",
|
|
[svc_fog] = "svc_quake_fog",
|
|
};
|
|
|
|
void MSG_WriteUBitLong( sizebuf_t *sb, uint curData, int numbits )
|
|
{
|
|
int nBitsLeft = numbits;
|
|
int iCurBit = sb->iCurBit;
|
|
uint iDWord = iCurBit >> 5; // Mask in a dword.
|
|
uint32_t iCurBitMasked;
|
|
int nBitsWritten;
|
|
|
|
Assert( numbits >= 1 && numbits <= 32 );
|
|
|
|
// bounds checking..
|
|
if( MSG_Overflow( sb, numbits ))
|
|
{
|
|
sb->iCurBit = sb->nDataBits;
|
|
return;
|
|
}
|
|
|
|
iCurBitMasked = iCurBit & 31;
|
|
((uint32_t *)sb->pData)[iDWord] &= BitWriteMasks[iCurBitMasked][nBitsLeft-1];
|
|
((uint32_t *)sb->pData)[iDWord] |= curData << iCurBitMasked;
|
|
|
|
// did it span a dword?
|
|
nBitsWritten = 32 - iCurBitMasked;
|
|
|
|
if( nBitsWritten < nBitsLeft )
|
|
{
|
|
nBitsLeft -= nBitsWritten;
|
|
iCurBit += nBitsWritten;
|
|
curData >>= nBitsWritten;
|
|
|
|
iCurBitMasked = iCurBit & 31;
|
|
((uint32_t *)sb->pData)[iDWord+1] &= BitWriteMasks[iCurBitMasked][nBitsLeft-1];
|
|
((uint32_t *)sb->pData)[iDWord+1] |= curData << iCurBitMasked;
|
|
}
|
|
sb->iCurBit += numbits;
|
|
}
|
|
|
|
/*
|
|
=======================
|
|
MSG_WriteSBitLong
|
|
|
|
sign bit comes first
|
|
=======================
|
|
*/
|
|
void MSG_WriteSBitLong( sizebuf_t *sb, int data, int numbits )
|
|
{
|
|
// do we have a valid # of bits to encode with?
|
|
Assert( numbits >= 1 && numbits <= 32 );
|
|
|
|
if( sb->iAlternateSign )
|
|
{
|
|
MSG_WriteOneBit( sb, data < 0 ? 1 : 0 );
|
|
MSG_WriteUBitLong( sb, (uint)abs( data ), numbits - 1 );
|
|
}
|
|
else
|
|
{
|
|
if( data < 0 )
|
|
{
|
|
MSG_WriteUBitLong( sb, (uint)( 0x80000000 + data ), numbits - 1 );
|
|
MSG_WriteOneBit( sb, 1 );
|
|
}
|
|
else
|
|
{
|
|
MSG_WriteUBitLong( sb, (uint)data, numbits - 1 );
|
|
MSG_WriteOneBit( sb, 0 );
|
|
}
|
|
}
|
|
}
|
|
|
|
void MSG_WriteBitLong( sizebuf_t *sb, uint data, int numbits, qboolean bSigned )
|
|
{
|
|
if( bSigned )
|
|
MSG_WriteSBitLong( sb, (int)data, numbits );
|
|
else MSG_WriteUBitLong( sb, data, numbits );
|
|
}
|
|
|
|
qboolean MSG_WriteBits( sizebuf_t *sb, const void *pData, int nBits )
|
|
{
|
|
byte *pOut = (byte *)pData;
|
|
int nBitsLeft = nBits;
|
|
|
|
// get output dword-aligned.
|
|
while((( uintptr_t )pOut & 3 ) != 0 && nBitsLeft >= 8 )
|
|
{
|
|
MSG_WriteUBitLong( sb, *pOut, 8 );
|
|
|
|
nBitsLeft -= 8;
|
|
++pOut;
|
|
}
|
|
|
|
// read dwords.
|
|
while( nBitsLeft >= 32 )
|
|
{
|
|
MSG_WriteUBitLong( sb, *(( uint32_t *)pOut ), 32 );
|
|
|
|
pOut += sizeof( uint32_t );
|
|
nBitsLeft -= 32;
|
|
}
|
|
|
|
// read the remaining bytes.
|
|
while( nBitsLeft >= 8 )
|
|
{
|
|
MSG_WriteUBitLong( sb, *pOut, 8 );
|
|
|
|
nBitsLeft -= 8;
|
|
++pOut;
|
|
}
|
|
|
|
// Read the remaining bits.
|
|
if( nBitsLeft )
|
|
{
|
|
MSG_WriteUBitLong( sb, *pOut, nBitsLeft );
|
|
}
|
|
|
|
return !sb->bOverflow;
|
|
}
|
|
|
|
void MSG_WriteBitAngle( sizebuf_t *sb, float fAngle, int numbits )
|
|
{
|
|
const uint shift = ( 1 << numbits );
|
|
const uint mask = shift - 1;
|
|
int d;
|
|
|
|
// clamp the angle before receiving
|
|
fAngle = fmod( fAngle, 360.0f );
|
|
if( fAngle < 0 ) fAngle += 360.0f;
|
|
|
|
d = (int)(( fAngle * shift ) / 360.0f );
|
|
d &= mask;
|
|
|
|
MSG_WriteUBitLong( sb, (uint)d, numbits );
|
|
}
|
|
|
|
void MSG_WriteCoord( sizebuf_t *sb, float val )
|
|
{
|
|
// g-cont. we loose precision here but keep old size of coord variable!
|
|
if( FBitSet( host.features, ENGINE_WRITE_LARGE_COORD ))
|
|
MSG_WriteShort( sb, Q_rint( val ));
|
|
else MSG_WriteShort( sb, (int)( val * 8.0f ));
|
|
}
|
|
|
|
void MSG_WriteVec3Coord( sizebuf_t *sb, const float *fa )
|
|
{
|
|
MSG_WriteCoord( sb, fa[0] );
|
|
MSG_WriteCoord( sb, fa[1] );
|
|
MSG_WriteCoord( sb, fa[2] );
|
|
}
|
|
|
|
void MSG_WriteVec3Angles( sizebuf_t *sb, const float *fa )
|
|
{
|
|
MSG_WriteBitAngle( sb, fa[0], 16 );
|
|
MSG_WriteBitAngle( sb, fa[1], 16 );
|
|
MSG_WriteBitAngle( sb, fa[2], 16 );
|
|
}
|
|
|
|
void MSG_WriteCmdExt( sizebuf_t *sb, int cmd, netsrc_t type, const char *name )
|
|
{
|
|
if( unlikely( net_send_debug.value ))
|
|
{
|
|
if( name != NULL )
|
|
{
|
|
// get custom name
|
|
Con_Printf( "^1sv^7 (%d) write: %s\n", sb->iCurBit, name );
|
|
}
|
|
else if( type == NS_SERVER )
|
|
{
|
|
if( cmd >= 0 && cmd <= svc_lastmsg )
|
|
{
|
|
// get engine message name
|
|
Con_Printf( "^1sv^7 (%d) write: %s\n", sb->iCurBit, svc_strings[cmd] );
|
|
}
|
|
}
|
|
else if( type == NS_CLIENT )
|
|
{
|
|
if( cmd >= 0 && cmd <= clc_lastmsg && cmd != clc_nop )
|
|
{
|
|
Con_Printf( "^1cl^7 (%d) write: %s\n", sb->iCurBit, clc_strings[cmd] );
|
|
}
|
|
}
|
|
}
|
|
|
|
MSG_WriteUBitLong( sb, cmd, sizeof( uint8_t ) << 3 );
|
|
}
|
|
|
|
void MSG_WriteChar( sizebuf_t *sb, int val )
|
|
{
|
|
MSG_WriteSBitLong( sb, val, sizeof( int8_t ) << 3 );
|
|
}
|
|
|
|
void MSG_WriteByte( sizebuf_t *sb, int val )
|
|
{
|
|
MSG_WriteUBitLong( sb, val, sizeof( uint8_t ) << 3 );
|
|
}
|
|
|
|
void MSG_WriteShort( sizebuf_t *sb, int val )
|
|
{
|
|
MSG_WriteSBitLong( sb, val, sizeof( int16_t ) << 3 );
|
|
}
|
|
|
|
void MSG_WriteWord( sizebuf_t *sb, int val )
|
|
{
|
|
MSG_WriteUBitLong( sb, val, sizeof( uint16_t ) << 3 );
|
|
}
|
|
|
|
void MSG_WriteLong( sizebuf_t *sb, int val )
|
|
{
|
|
MSG_WriteSBitLong( sb, val, sizeof( int32_t ) << 3 );
|
|
}
|
|
|
|
void MSG_WriteDword( sizebuf_t *sb, uint val )
|
|
{
|
|
MSG_WriteUBitLong( sb, val, sizeof( uint32_t ) << 3 );
|
|
}
|
|
|
|
void MSG_WriteFloat( sizebuf_t *sb, float val )
|
|
{
|
|
MSG_WriteBits( sb, &val, sizeof( val ) << 3 );
|
|
}
|
|
|
|
qboolean MSG_WriteBytes( sizebuf_t *sb, const void *pBuf, int nBytes )
|
|
{
|
|
return MSG_WriteBits( sb, pBuf, nBytes << 3 );
|
|
}
|
|
|
|
qboolean MSG_WriteString( sizebuf_t *sb, const char *pStr )
|
|
{
|
|
int len = Q_strlen( pStr );
|
|
|
|
if( len )
|
|
MSG_WriteBytes( sb, pStr, len + 1 );
|
|
else MSG_WriteByte( sb, 0 );
|
|
|
|
return !sb->bOverflow;
|
|
}
|
|
|
|
qboolean MSG_WriteStringf( sizebuf_t *sb, const char *format, ... )
|
|
{
|
|
va_list va;
|
|
int len;
|
|
char buf[MAX_VA_STRING];
|
|
|
|
va_start( va, format );
|
|
len = Q_vsnprintf( buf, sizeof( buf ), format, va );
|
|
va_end( va );
|
|
|
|
if( len < 0 )
|
|
{
|
|
Host_Error( "%s: snprintf overflow!\n", __func__ );
|
|
return false;
|
|
}
|
|
|
|
MSG_WriteBytes( sb, buf, len + 1 );
|
|
|
|
return !sb->bOverflow;
|
|
}
|
|
|
|
int MSG_ReadOneBit( sizebuf_t *sb )
|
|
{
|
|
if( !MSG_Overflow( sb, 1 ))
|
|
{
|
|
int value = sb->pData[sb->iCurBit >> 3] & (1 << ( sb->iCurBit & 7 ));
|
|
sb->iCurBit++;
|
|
return !!value;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint MSG_ReadUBitLong( sizebuf_t *sb, int numbits )
|
|
{
|
|
int idword1;
|
|
uint dword1, ret;
|
|
|
|
if( numbits == 8 )
|
|
{
|
|
int leftBits = MSG_GetNumBitsLeft( sb );
|
|
|
|
if( leftBits >= 0 && leftBits < 8 )
|
|
return 0; // end of message
|
|
}
|
|
|
|
if( MSG_Overflow( sb, numbits ))
|
|
{
|
|
sb->iCurBit = sb->nDataBits;
|
|
return 0;
|
|
}
|
|
|
|
Assert( numbits > 0 && numbits <= 32 );
|
|
|
|
// Read the current dword.
|
|
idword1 = sb->iCurBit >> 5;
|
|
dword1 = ((uint *)sb->pData)[idword1];
|
|
dword1 >>= ( sb->iCurBit & 31 ); // get the bits we're interested in.
|
|
|
|
sb->iCurBit += numbits;
|
|
ret = dword1;
|
|
|
|
// Does it span this dword?
|
|
if(( sb->iCurBit - 1 ) >> 5 == idword1 )
|
|
{
|
|
if( numbits != 32 )
|
|
ret &= ExtraMasks[numbits];
|
|
}
|
|
else
|
|
{
|
|
int nExtraBits = sb->iCurBit & 31;
|
|
uint dword2 = ((uint *)sb->pData)[idword1+1] & ExtraMasks[nExtraBits];
|
|
|
|
// no need to mask since we hit the end of the dword.
|
|
// shift the second dword's part into the high bits.
|
|
ret |= (dword2 << ( numbits - nExtraBits ));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
qboolean MSG_ReadBits( sizebuf_t *sb, void *pOutData, int nBits )
|
|
{
|
|
byte *pOut = (byte *)pOutData;
|
|
int nBitsLeft = nBits;
|
|
|
|
// get output dword-aligned.
|
|
while((( uint32_t )pOut & 3) != 0 && nBitsLeft >= 8 )
|
|
{
|
|
*pOut = (byte)MSG_ReadUBitLong( sb, 8 );
|
|
++pOut;
|
|
nBitsLeft -= 8;
|
|
}
|
|
|
|
// read dwords.
|
|
while( nBitsLeft >= 32 )
|
|
{
|
|
*((uint32_t *)pOut) = MSG_ReadUBitLong( sb, 32 );
|
|
pOut += sizeof( uint32_t );
|
|
nBitsLeft -= 32;
|
|
}
|
|
|
|
// read the remaining bytes.
|
|
while( nBitsLeft >= 8 )
|
|
{
|
|
*pOut = MSG_ReadUBitLong( sb, 8 );
|
|
++pOut;
|
|
nBitsLeft -= 8;
|
|
}
|
|
|
|
// read the remaining bits.
|
|
if( nBitsLeft )
|
|
{
|
|
*pOut = MSG_ReadUBitLong( sb, nBitsLeft );
|
|
}
|
|
|
|
return !sb->bOverflow;
|
|
}
|
|
|
|
float MSG_ReadBitAngle( sizebuf_t *sb, int numbits )
|
|
{
|
|
float shift = (float)( 1 << numbits );
|
|
int i = MSG_ReadUBitLong( sb, numbits );
|
|
float fReturn = (float)i * ( 360.0f / shift );
|
|
|
|
// clamp the finale angle
|
|
if( fReturn < -180.0f ) fReturn += 360.0f;
|
|
else if( fReturn > 180.0f ) fReturn -= 360.0f;
|
|
|
|
return fReturn;
|
|
}
|
|
|
|
// Append numbits least significant bits from data to the current bit stream
|
|
int MSG_ReadSBitLong( sizebuf_t *sb, int numbits )
|
|
{
|
|
int r;
|
|
|
|
if( sb->iAlternateSign )
|
|
{
|
|
int sign = MSG_ReadOneBit( sb );
|
|
r = MSG_ReadUBitLong( sb, numbits - 1 );
|
|
|
|
if( sign )
|
|
r = -r;
|
|
}
|
|
else
|
|
{
|
|
r = MSG_ReadUBitLong( sb, numbits - 1 );
|
|
if( MSG_ReadOneBit( sb ))
|
|
r = -( BIT( numbits - 1 ) - r );
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
uint MSG_ReadBitLong( sizebuf_t *sb, int numbits, qboolean bSigned )
|
|
{
|
|
if( bSigned )
|
|
return (uint)MSG_ReadSBitLong( sb, numbits );
|
|
return MSG_ReadUBitLong( sb, numbits );
|
|
}
|
|
|
|
int MSG_ReadCmd( sizebuf_t *sb, netsrc_t type )
|
|
{
|
|
int cmd = MSG_ReadUBitLong( sb, sizeof( uint8_t ) << 3 );
|
|
|
|
if( unlikely( net_recv_debug.value ))
|
|
{
|
|
if( type == NS_SERVER )
|
|
{
|
|
if( cmd != svc_nop )
|
|
Con_Printf( "^1cl^7 read: %s\n", CL_MsgInfo( cmd ));
|
|
}
|
|
else if( cmd >= 0 && cmd <= clc_lastmsg )
|
|
{
|
|
Con_Printf( "^1sv^7 read: %s\n", clc_strings[cmd] );
|
|
}
|
|
}
|
|
|
|
return cmd;
|
|
}
|
|
|
|
int MSG_ReadChar( sizebuf_t *sb )
|
|
{
|
|
int alt = sb->iAlternateSign, ret;
|
|
|
|
sb->iAlternateSign = 0;
|
|
ret = MSG_ReadSBitLong( sb, sizeof( int8_t ) << 3 );
|
|
sb->iAlternateSign = alt;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int MSG_ReadByte( sizebuf_t *sb )
|
|
{
|
|
return MSG_ReadUBitLong( sb, sizeof( uint8_t ) << 3 );
|
|
}
|
|
|
|
int MSG_ReadShort( sizebuf_t *sb )
|
|
{
|
|
int alt = sb->iAlternateSign, ret;
|
|
|
|
sb->iAlternateSign = 0;
|
|
ret = MSG_ReadSBitLong( sb, sizeof( int16_t ) << 3 );
|
|
sb->iAlternateSign = alt;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int MSG_ReadWord( sizebuf_t *sb )
|
|
{
|
|
return MSG_ReadUBitLong( sb, sizeof( uint16_t ) << 3 );
|
|
}
|
|
|
|
float MSG_ReadCoord( sizebuf_t *sb )
|
|
{
|
|
// g-cont. we loose precision here but keep old size of coord variable!
|
|
if( FBitSet( host.features, ENGINE_WRITE_LARGE_COORD ))
|
|
return (float)(MSG_ReadShort( sb ));
|
|
return (float)(MSG_ReadShort( sb ) * ( 1.0f / 8.0f ));
|
|
}
|
|
|
|
void MSG_ReadVec3Coord( sizebuf_t *sb, vec3_t fa )
|
|
{
|
|
fa[0] = MSG_ReadCoord( sb );
|
|
fa[1] = MSG_ReadCoord( sb );
|
|
fa[2] = MSG_ReadCoord( sb );
|
|
}
|
|
|
|
void MSG_ReadVec3Angles( sizebuf_t *sb, vec3_t fa )
|
|
{
|
|
fa[0] = MSG_ReadBitAngle( sb, 16 );
|
|
fa[1] = MSG_ReadBitAngle( sb, 16 );
|
|
fa[2] = MSG_ReadBitAngle( sb, 16 );
|
|
}
|
|
|
|
int MSG_ReadLong( sizebuf_t *sb )
|
|
{
|
|
int alt = sb->iAlternateSign, ret;
|
|
|
|
sb->iAlternateSign = 0;
|
|
ret = MSG_ReadSBitLong( sb, sizeof( int32_t ) << 3 );
|
|
sb->iAlternateSign = alt;
|
|
|
|
return ret;
|
|
}
|
|
|
|
uint MSG_ReadDword( sizebuf_t *sb )
|
|
{
|
|
return MSG_ReadUBitLong( sb, sizeof( uint32_t ) << 3 );
|
|
}
|
|
|
|
float MSG_ReadFloat( sizebuf_t *sb )
|
|
{
|
|
float ret;
|
|
|
|
MSG_ReadBits( sb, &ret, sizeof( ret ) << 3 );
|
|
|
|
return ret;
|
|
}
|
|
|
|
qboolean MSG_ReadBytes( sizebuf_t *sb, void *pOut, int nBytes )
|
|
{
|
|
return MSG_ReadBits( sb, pOut, nBytes << 3 );
|
|
}
|
|
|
|
static char *MSG_ReadStringExt( sizebuf_t *sb, qboolean bLine )
|
|
{
|
|
static char string[4096];
|
|
int l = 0;
|
|
|
|
do
|
|
{
|
|
// use MSG_ReadByte so -1 is out of bounds
|
|
int c = MSG_ReadByte( sb );
|
|
|
|
if( c == 0 ) break;
|
|
else if( bLine && c == '\n' )
|
|
break;
|
|
|
|
// translate all fmt spec to avoid crash bugs
|
|
// NOTE: but game strings leave unchanged. see pfnWriteString for details
|
|
if( c == '%' ) c = '.';
|
|
|
|
string[l] = c;
|
|
l++;
|
|
} while( l < sizeof( string ) - 1 );
|
|
string[l] = 0; // terminator
|
|
|
|
return string;
|
|
}
|
|
|
|
char *MSG_ReadString( sizebuf_t *sb )
|
|
{
|
|
return MSG_ReadStringExt( sb, false );
|
|
}
|
|
|
|
char *MSG_ReadStringLine( sizebuf_t *sb )
|
|
{
|
|
return MSG_ReadStringExt( sb, true );
|
|
}
|
|
|
|
void MSG_ExciseBits( sizebuf_t *sb, int startbit, int bitstoremove )
|
|
{
|
|
int i, endbit = startbit + bitstoremove;
|
|
int remaining_to_end = sb->nDataBits - endbit;
|
|
sizebuf_t temp;
|
|
|
|
MSG_StartWriting( &temp, sb->pData, MSG_GetMaxBytes( sb ), startbit, -1 );
|
|
MSG_SeekToBit( sb, endbit, SEEK_SET );
|
|
|
|
for( i = 0; i < remaining_to_end; i++ )
|
|
{
|
|
MSG_WriteOneBit( &temp, MSG_ReadOneBit( sb ));
|
|
}
|
|
|
|
MSG_SeekToBit( sb, startbit, SEEK_SET );
|
|
sb->nDataBits -= bitstoremove;
|
|
}
|
|
|
|
#ifdef XASH_ENGINE_TESTS
|
|
#include "tests.h"
|
|
|
|
static const void *g_testbuf = "asdf\xba\xa1\xba\xa1\xed\xc8\x15\x7a";
|
|
static const size_t g_testbuf_bits = (( 4 + 4 + 2 + 1 ) << 3 ) + 4;
|
|
|
|
static void Test_Buffer_BitByte( void )
|
|
{
|
|
TASSERT_EQi( BitByte( 0 ), 0 );
|
|
TASSERT_EQi( BitByte( 1 ), 1 );
|
|
TASSERT_EQi( BitByte( 8 ), 1 );
|
|
TASSERT_EQi( BitByte( 9 ), 2 );
|
|
}
|
|
|
|
static void Test_Buffer_Write( void )
|
|
{
|
|
sizebuf_t sb;
|
|
char testdata[0x100] = { 0 };
|
|
|
|
MSG_Init( &sb, __func__, testdata, sizeof( testdata ));
|
|
TASSERT_EQi( sb.iCurBit, 0 );
|
|
TASSERT_EQi( sb.nDataBits, sizeof( testdata ) << 3 );
|
|
TASSERT_EQi( sb.pData, testdata );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
MSG_WriteBytes( &sb, "asdf", 4 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 32 );
|
|
|
|
MSG_WriteDword( &sb, 0xa1baa1ba );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 64 );
|
|
|
|
MSG_WriteShort( &sb, -0x3713 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 80 );
|
|
|
|
MSG_WriteOneBit( &sb, 1 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 81 );
|
|
|
|
MSG_WriteOneBit( &sb, 0 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 82 );
|
|
|
|
MSG_WriteOneBit( &sb, 1 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 83 );
|
|
|
|
MSG_WriteOneBit( &sb, 0 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 84 );
|
|
|
|
MSG_WriteByte( &sb, 0xa1 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
TASSERT_EQi( sb.iCurBit, 92 );
|
|
|
|
TASSERT_EQi( MSG_GetNumBitsWritten( &sb ), g_testbuf_bits );
|
|
TASSERT_EQi( MSG_GetNumBytesWritten( &sb ), BitByte( g_testbuf_bits ));
|
|
TASSERT_EQi( MSG_GetRealBytesWritten( &sb ), g_testbuf_bits >> 3 );
|
|
|
|
// if tests fails here on big endian, it's possible due to endian issues
|
|
TASSERT( !memcmp( sb.pData, g_testbuf, g_testbuf_bits >> 3 ));
|
|
|
|
// must check last 4 bits separately because we never care about uninitialized bits
|
|
MSG_SeekToBit( &sb, g_testbuf_bits & ~7, SEEK_SET );
|
|
TASSERT_EQi( sb.iCurBit, 88 );
|
|
TASSERT_EQi( MSG_ReadUBitLong( &sb, 4 ), 0xa );
|
|
}
|
|
|
|
static void Test_Buffer_Read( void )
|
|
{
|
|
sizebuf_t sb;
|
|
char buf[4];
|
|
|
|
MSG_StartReading( &sb, (void *)g_testbuf, -1, 0, g_testbuf_bits );
|
|
TASSERT_EQi( sb.iCurBit, 0 );
|
|
TASSERT_EQi( sb.nDataBits, g_testbuf_bits );
|
|
TASSERT_EQi( sb.pData, g_testbuf );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
MSG_ReadBytes( &sb, buf, 4 );
|
|
TASSERT( !memcmp( buf, "asdf", 4 ));
|
|
TASSERT_EQi( sb.iCurBit, 32 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_ReadWord( &sb ), 0xa1ba );
|
|
TASSERT_EQi( sb.iCurBit, 48 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_ReadDword( &sb ), 0xc8eda1baU );
|
|
TASSERT_EQi( sb.iCurBit, 80 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_ReadOneBit( &sb ), 1 );
|
|
TASSERT_EQi( sb.iCurBit, 81 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_ReadOneBit( &sb ), 0 );
|
|
TASSERT_EQi( sb.iCurBit, 82 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_ReadOneBit( &sb ), 1 );
|
|
TASSERT_EQi( sb.iCurBit, 83 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_ReadOneBit( &sb ), 0 );
|
|
TASSERT_EQi( sb.iCurBit, 84 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_ReadByte( &sb ), 0xa1 );
|
|
TASSERT_EQi( sb.iCurBit, 92 );
|
|
TASSERT_EQi( sb.bOverflow, false );
|
|
|
|
TASSERT_EQi( MSG_Overflow( &sb, 1 ), true );
|
|
TASSERT_EQi( sb.bOverflow, true );
|
|
}
|
|
|
|
static void Test_Buffer_ExciseBits( void )
|
|
{
|
|
sizebuf_t sb;
|
|
char testdata[0x100];
|
|
|
|
memcpy( testdata, g_testbuf, BitByte( g_testbuf_bits ));
|
|
|
|
MSG_StartWriting( &sb, testdata, 0, 0, g_testbuf_bits );
|
|
MSG_ExciseBits( &sb, 8, 28 );
|
|
|
|
TASSERT_EQi( MSG_CheckOverflow( &sb ), false );
|
|
TASSERT_EQi( MSG_GetMaxBits( &sb ), 64 );
|
|
TASSERT( !memcmp( MSG_GetData( &sb ), "a\x1b\xaa\x1b\xda\x8e\x5c\xa1", 8 ));
|
|
|
|
memcpy( testdata, g_testbuf, BitByte( g_testbuf_bits ));
|
|
|
|
MSG_StartWriting( &sb, testdata, 0, 0, g_testbuf_bits );
|
|
MSG_ExciseBits( &sb, 16, 32 );
|
|
|
|
TASSERT_EQi( MSG_CheckOverflow( &sb ), false );
|
|
TASSERT_EQi( MSG_GetMaxBits( &sb ), g_testbuf_bits - 32 );
|
|
TASSERT( !memcmp( MSG_GetData( &sb ), "as\xba\xa1\xed\xc8\x15", 7 ));
|
|
|
|
MSG_SeekToBit( &sb, 7 << 3, SEEK_SET );
|
|
TASSERT_EQi( MSG_ReadUBitLong( &sb, 4 ), 0xa );
|
|
}
|
|
|
|
void Test_RunBuffer( void )
|
|
{
|
|
TRUN( Test_Buffer_BitByte( ));
|
|
TRUN( Test_Buffer_Write( ));
|
|
TRUN( Test_Buffer_Read( ));
|
|
TRUN( Test_Buffer_ExciseBits( ));
|
|
}
|
|
|
|
#endif // XASH_ENGINE_TESTS
|