求大家帮我解释一下这个erm
ZVSE_WARNING_#1=IMPORTANT! This file is not in a plain text format. NEVER use any editor except ERM_S for making any kind of changes!
ERMS_PoweredBy=ERM Scripter v. 2004.6.29.918
ERMS_ScriptDate=13.4(April).2009
** script to prevent creature experience reduction due to overflow. JHV,2/3/2009
** uses v7090-v7103 to store troop ranks @ start of battle
** uses FU459-FU462
**"The bug you describe probably occurs when the experience exceeds the maximum
**positive value that its (internal) variable can store.
**For example, one byte (8 bits) can store a number from
**0 to 255 (11111111 in binary), but it is convenient to the value stored as
**from -128 to +127, by performing the "two's complement" (change all 0's to 1's
**and 1's to 0's, then add 1) to convert a positive number to a negative number,
**because any binary number and its two's-complement sum to zero (with a carry
**that overflows out of the byte).This makes integer subtraction easy (just add
**the two's complement of the number to be subtracted), but it means that, for
**example, if you are using 1-byte storage, adding 2 to
**127 (00000010 to 01111111 in binary) produces -127 instead of 129."
**In readable words :P this bug will certainly occur when the experience received
**after a very big battle can't be handled by the game. Usually if you continue
**to play a map after the 12th month and the neutral creatures have an
**overgrowth. Your experience will go into the negative, all abilities will be
**lost and you will need certainly more than hundred battles to restore it.
**The script restore it automatically if lost.
!?BA0&1000; start of (human) battle
!!BA:H0/?v1; get attacker hero #
!!BA:H1/?v2; get defender hero # (if any)
!!DO459/0/6/1&v1>-1/v1<156:Pv1; check stacks 0-6 for attacker
!!DO460/0/6/1&v2>-1/v2<156:Pv2; check stacks 0-6 for defender
!?FU459; get exp. rank of troop in slot x16 of hero x1, store in v
!!HEx1:C0/x16/?y1/?y2/?y3/2; y1=type, y2=no., y3=experience
!!VRv5:S7090+x16;
!!VRvv5:Sy3;
!?FU460; get exp. rank of troop in slot x16 of hero x1, store in v
!!HEx1:C0/x16/?y1/?y2/?y3/2; y1=type, y2=no., y3=experience
!!VRv5:S7097+x16;
!!VRvv5:Sy3;
!?BA1&1000; end of (human) battle
!!BA:H0/?v1; get attacker hero #
!!BA:H1/?v2; get defender hero # (if any)
!!VRv3:C-1/-1; set v3 & v4 to -1
!!HEv1&v1>-1/v1<156:O?v3; get attacker's Owner - will be 0-7 if attacker won
!!HEv2&v2>-1/v2<156:O?v4; get defender's Owner - will be 0-7 if defender won
!!DO461/0/6/1&v3>-1/v3<8:Pv1; check stacks 0-6 for attacker
!!DO462/0/6/1&v4>-1/v4<8:Pv2; check stacks 0-6 for defender
!?FU461; get exp. rank of troop in slot x16 of hero x1, vs. v
!!HEx1:C0/x16/?y1/?y2/?y3/2; y1=type, y2=no., y3=experience
!!FU&y2<1:E; quit if no troops left in slot
!!VRv5:S7090+x16;
!!VRy4:Svv5;
!!HEx1&y4>y3:C0/x16/d/d/11/12; set rank to 11 if negative experience was
gained (overflow occurred)
!?FU462; get exp. rank of troop in slot x16 of hero x1, vs. v
!!HEx1:C0/x16/?y1/?y2/?y3/2; y1=type, y2=no., y3=experience
!!FU&y2<1:E; quit if no troops left in slot
!!VRv5:S7097+x16;
!!VRy4:Svv5;
!!HEx1&y4>y3:C0/x16/d/d/11/12; set rank to 11 if negative experience was
gained (overflow occurred)
!!IF&610:V616/1; 等高人出現... 看起来像是修复经验溢出的脚本 现在高人中好像也就风侠出现的频率高点了
加油啊，大仙们，出现吧 ＬＺ我来解释一下．看行不？
!?BA0&1000; 战斗开始前并双方有一方不是电脑就促发一下事件．
!!BA:H0/?v1; 得到攻方雄号码Ｖ１
!!BA:H1/?v2; 得到防方雄号码Ｖ２
!!DO459/0/6/1&v1>-1/v1<156:Pv1; 当Ｖ１＞－１且Ｖ１＜１５６就引发！？ＦＵ４５９并让他运行６次．并让！？ＦＵ４５９后的Ｘ１＝Ｖ１
!!DO460/0/6/1&v2>-1/v2<156:Pv2; 当Ｖ２＞－１且Ｖ２＜１５６就引发！？ＦＵ４６０并让他运行６次．并让！？ＦＵ４６０后的Ｘ１＝Ｖ２
!?FU459;
!!HEx1:C0/x16/?y1/?y2/?y3/2; 改变Ｘ１号因雄１－６格的怪物．
!!VRv5:S7090+x16;让Ｖ５＝７０９０＋Ｘ１６（Ｘ１６＝１－６）
!!VRvv5:Sy3;让Ｗ５＝Ｙ３
!?FU460;
!!HEx1:C0/x16/?y1/?y2/?y3/2;改变Ｘ１号因雄１－６格的怪物．
!!VRv5:S7097+x16;让Ｖ５＝７０９０＋Ｘ１６（Ｘ１６＝１－６）
!!VRvv5:Sy3;让Ｗ５＝Ｙ３
!?BA1&1000; 战后．并双方有一方是非电脑就开使下面事件
!!BA:H0/?v1; 得到攻方雄号码Ｖ１
!!BA:H1/?v2; 得到攻方雄号码Ｖ２
!!VRv3:C-1/-1; 让Ｖ３＝－１ Ｖ４＝－１
!!HEv1&v1>-1/v1<156:O?v3; 当Ｖ１＞－１且Ｖ１＜１５６．就取Ｖ１号英雄的归属．
!!HEv2&v2>-1/v2<156:O?v4; 当Ｖ２＞－１且Ｖ２＜１５６．就取Ｖ２号英雄的归属．
!!DO461/0/6/1&v3>-1/v3<8:Pv1; 当Ｖ３＞－１且Ｖ３＜８就运行！？ＦＵ４６１ ６次并让！？ＦＵ４６１以下的Ｘ１＝Ｖ１
!!DO462/0/6/1&v4>-1/v4<8:Pv2; 当Ｖ４＞－１且Ｖ４＜８就运行！？ＦＵ４６２ ６次并让！？ＦＵ４６２以下的Ｘ１＝Ｖ２
!?FU461;
!!HEx1:C0/x16/?y1/?y2/?y3/2; 改变Ｘ１号因雄１－６格的怪物．（注Ｙ３＝改怪的ＥＸＰ）
!!FU&y2<1:E; 当Ｙ２＜１就退出
!!VRv5:S7090+x16;让Ｖ５＝７０９０＋Ｘ１６（Ｘ１６＝１＿６）
!!VRy4:Svv5;让Ｙ４＋Ｗ５
!!HEx1&y4>y3:C0/x16/d/d/11/12; 当Ｙ４＞Ｙ３就设置等级11(溢出发生了)。
!?FU462; 下面差不多．
!!HEx1:C0/x16/?y1/?y2/?y3/2;
!!FU&y2<1:E; quit if no troops left in slot
!!VRv5:S7097+x16;
!!VRy4:Svv5;
!!HEx1&y4>y3:C0/x16/d/d/11/12; set rank to 11 if negative experience was
gained (overflow occurred)
!!IF&610:V616/1;如果表制６１０为真就让６１６为真．
ＬＺ这是生物ＥＸＰ益出变负的ＥＲＭ
[ 本帖最后由 air 于 2010-10-1 12:39 编辑 ]
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