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动画系统更新

上次我们对动画系统进行了重大改进。今天，我们想创建动画库。

创建动画库编辑器

我现在要实际创建那个文件。让我们新建一个文本文档，命名为“map_annie_lib”。我将用它来打开文件。

现在，让我们在这个文本文件中导入一些东西。我们称之为“annie_lib”，并让它等于一个空数组。

然后，我们复制我们的默认编辑器，将其命名为“annie_edit”。这就是我们的动画编辑器。

编辑动画库

接下来，我们需要在编辑器中做一些更改。例如，我们将包含“annie_lib”文件，并保存动画名称和数据。

现在，我们的目标是把游戏中已有的动画都导入到这个数据库里。看起来有点问题，第一个条目是空的，我们需要修复它。

修复后，我将一些动画笔记导入到编辑器中，并导出它们。现在，我们可以看到所有的动画都已经在这里了。

在游戏中实现动画库

接下来，我要将这些动画库实现在我们的游戏中。我们将在绘制函数中使用“annie_lib”来驱动动画。

例如，对于火焰动画，我们只需要在绘制函数中引用“annie_lib1]”，它就能正常工作。同样，对于射击和爆炸动画，我们也这样做。

pico-8 cartridge // http://www.pico-8.com
version 41
__lua__
--show cursor
--move the cursor
--backspacefunction _init()--- customize here ---#include shmup_anilib.txtfile="shmup_anilib.txt"arrname="anilib"data=anilib----------------------debug={}msg={}_drw=draw_table_upd=update_tablemenuitem(1,"export",export)reload(0x0,0x0,0x2000,"cowshmup.p8")curx=1cury=1scrolly=0scrollx=0poke(0x5f2d, 1)
endfunction _draw()_drw()if #msg>0 thenbgprint(msg[1].txt,64-#msg[1].txt*2,80,14)msg[1].t-=1if msg[1].t<=0 thendeli(msg,1)end  end-- debug --cursor(4,4)color(8)for txt in all(debug) doprint(txt)end
endfunction _update60()dokeys()mscroll=stat(36)_upd()
endfunction dokeys()if stat(30) thenkey=stat(31)if key=="p" thenpoke(0x5f30,1)endelsekey=nilendend
-->8
--drawfunction draw_table()cls(2)--spr(0,0,0,16,16)if menu thenfor i=1,#menu dofor j=1,#menu[i] dolocal mymnu=menu[i][j]local c=mymnu.c or 13if i==cury and j==curx thenc=7if _upd==upd_type thenc=0endendbgprint(mymnu.w,mymnu.x+scrollx,mymnu.y+scrolly,13)   bgprint(mymnu.txt,mymnu.x+scrollx,mymnu.y+scrolly,c) endendendif _upd==upd_type thenlocal mymnu=menu[cury][curx]local txt_bef=sub(typetxt,1,typecur-1)local txt_cur=sub(typetxt,typecur,typecur)local txt_aft=sub(typetxt,typecur+1)txt_cur=txt_cur=="" and " " or txt_cur if (time()*2)%1<0.5 thentxt_cur="\^i"..txt_cur.."\^-i"endlocal txt=txt_bef..txt_cur..txt_aftbgprint(txt,mymnu.x+scrollx,mymnu.y+scrolly,7)end--[[for i=1,#data dofor j=1,#data[i] dobgprint(data[i][j],2+18*j,2+8*i,7)endend]]
endfunction refresh_table()menu={}for i=1,#data dolocal lne={}local linemax=#data[i]if i==cury thenlinemax+=1  endadd(lne,{txt=i,w="   ",cmd="",x=4,y=-4+8*i,c=2  })for j=1,linemax doif j==#data[i]+1 thenadd(lne,{txt="+",w=" ",cmd="newcell",cmdy=i,x=-10+14*(j+1),y=-4+8*i, })elseadd(lne,{txt=data[i][j],cmd="edit",cmdx=j,cmdy=i,x=-10+14*(j+1),y=-4+8*i,w="   "})endendadd(menu,lne)endadd(menu,{{txt=" + ",w="   ",cmd="newline",x=4,y=-4+8*(#data+1), }})
end
-->8
--updatefunction update_table()refresh_table()if btnp(⬆️) thencury-=1endif btnp(⬇️) thencury+=1endcury=(cury-1)%#menu+1cury-=mscrollcury=mid(1,cury,#menu)if btnp(⬅️) thencurx-=1endif btnp(➡️) thencurx+=1endif cury<#menu thencurx=(curx-2)%(#menu[cury]-1)+2elsecurx=1endlocal mymnu=menu[cury][curx]if mymnu.y+scrolly>110 thenscrolly-=4endif mymnu.y+scrolly<10 thenscrolly+=4endscrolly=min(0,scrolly)if mymnu.x+scrollx>110 thenscrollx-=2endif mymnu.x+scrollx<20 thenscrollx+=2endscrollx=min(0,scrollx)if btnp(❎) thenlocal mymnu=menu[cury][curx]if mymnu.cmd=="edit" then_upd=upd_typetypetxt=tostr(mymnu.txt)typecur=#typetxt+1elseif mymnu.cmd=="newline" thenadd(data,{0})  elseif mymnu.cmd=="newcell" thenadd(data[mymnu.cmdy],0)endend
endfunction upd_type()if key thenif key=="\r" then-- enterlocal mymnu=menu[cury][curx]poke(0x5f30,1)local typeval=tonum(typetxt)if typeval==nil thenif mymnu.cmdx==#data[mymnu.cmdy] and typetxt=="" then--delete celldeli(data[mymnu.cmdy],mymnu.cmdx)if mymnu.cmdx==1 thendeli(data,mymnu.cmdy)end_upd=update_tablereturnend  typeval=0enddata[mymnu.cmdy][mymnu.cmdx]=typeval_upd=update_tablereturnelseif key=="\b" then--backspaceif typecur>1 thenif typecur>#typetxt thentypetxt=sub(typetxt,1,#typetxt-1)elselocal txt_bef=sub(typetxt,1,typecur-2)local txt_aft=sub(typetxt,typecur)typetxt=txt_bef..txt_aftendtypecur-=1endelseif typecur>#typetxt thentypetxt..=keyelselocal txt_bef=sub(typetxt,1,typecur-1)local txt_aft=sub(typetxt,typecur)typetxt=txt_bef..key..txt_aftendtypecur+=1endendif btnp(⬅️) thentypecur-=1endif btnp(➡️) thentypecur+=1endtypecur=mid(1,typecur,#typetxt+1)
end
-->8
--toolsfunction bgprint(txt,x,y,c)print("\#0"..txt,x,y,c)
endfunction split2d(s)local arr=split(s,"|",false)for k, v in pairs(arr) doarr[k] = split(v)endreturn arr
end
-->8
--i/o
function export()local s=arrname.."=split2d\""for i=1,#data doif i>1 thens..="|"endfor j=1,#data[i] doif j>1 thens..=","ends..=data[i][j]endends..="\""printh(s,file,true)add(msg,{txt="exported!",t=120})--debug[1]="exported!"
end
__gfx__
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
__map__
0000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

敌人数据库系统

动画系统已经搞定了，接下来我们要处理敌人数据库系统。我们将使用相同的流程，创建一个敌人编辑器和一个敌人库。

首先，我们创建一个名为“enemy_lib”的文本文件，并初始化它。然后，我们修改编辑器，使其能够编辑敌人数据。

我们需要保存敌人的动画、动画速度、行为（我们称之为“brain”）和生命值（HP）。这是我们现在需要考虑的基本数据。

在编辑器中，我添加了一些标题，以便我们更清楚地知道每个数字代表什么。现在，我们可以添加敌人数据了。

添加敌人数据

我创建了两个敌人：一个是普通敌人，另一个是“大块头”敌人。我为它们设置了不同的动画、动画速度、行为和生命值。

现在，我们可以在游戏中生成这些敌人了。我们修改了生成敌人的函数，使其能够根据索引从敌人库中获取敌人数据，并生成相应的敌人。

pico-8 cartridge // http://www.pico-8.com
version 41
__lua__
--show cursor
--move the cursor
--backspacefunction _init()--- customize here ---#include shmup_enlib.txtfile="shmup_enlib.txt"arrname="enlib"data=enlib----------------------debug={}msg={}_drw=draw_table_upd=update_tablemenuitem(1,"export",export)reload(0x0,0x0,0x2000,"cowshmup.p8")curx=2cury=2scrolly=0scrollx=0poke(0x5f2d, 1)
endfunction _draw()_drw()if #msg>0 thenbgprint(msg[1].txt,64-#msg[1].txt*2,80,14)msg[1].t-=1if msg[1].t<=0 thendeli(msg,1)end  end-- debug --cursor(4,4)color(8)for txt in all(debug) doprint(txt)end
endfunction _update60()dokeys()mscroll=stat(36)_upd()
endfunction dokeys()if stat(30) thenkey=stat(31)if key=="p" thenpoke(0x5f30,1)endelsekey=nilendend
-->8
--drawfunction draw_table()cls(2)--spr(0,0,0,16,16)if menu thenfor i=1,#menu dofor j=1,#menu[i] dolocal mymnu=menu[i][j]local c=mymnu.c or 13if i==cury and j==curx thenc=7if _upd==upd_type thenc=0endendbgprint(mymnu.w,mymnu.x+scrollx,mymnu.y+scrolly,13)   bgprint(mymnu.txt,mymnu.x+scrollx,mymnu.y+scrolly,c) endendendif _upd==upd_type thenlocal mymnu=menu[cury][curx]local txt_bef=sub(typetxt,1,typecur-1)local txt_cur=sub(typetxt,typecur,typecur)local txt_aft=sub(typetxt,typecur+1)txt_cur=txt_cur=="" and " " or txt_cur if (time()*2)%1<0.5 thentxt_cur="\^i"..txt_cur.."\^-i"endlocal txt=txt_bef..txt_cur..txt_aftbgprint(txt,mymnu.x+scrollx,mymnu.y+scrolly,7)end--[[for i=1,#data dofor j=1,#data[i] dobgprint(data[i][j],2+18*j,2+8*i,7)endend]]
endfunction refresh_table()menu={}local caps={"","ani","asp","brn","hp"}local lne={}for i=1,#caps doadd(lne,{txt=caps[i],w="   ",cmd="",x=-10+14*i,y=4,c=2  }) end add(menu,lne)for i=1,#data dolocal lne={}local linemax=#data[i]if i==cury-1 thenlinemax+=1  endadd(lne,{txt=i,w="   ",cmd="",x=4,y=-4+8*(i+1),c=2  })for j=1,linemax doif j==#data[i]+1 thenadd(lne,{txt="+",w=" ",cmd="newcell",cmdy=i,x=-10+14*(j+1),y=-4+8*(i+1), })elseadd(lne,{txt=data[i][j],cmd="edit",cmdx=j,cmdy=i,x=-10+14*(j+1),y=-4+8*(i+1),w="   "})endendadd(menu,lne)endadd(menu,{{txt=" + ",w="   ",cmd="newline",x=4,y=-4+8*(#data+2), }})
end
-->8
--updatefunction update_table()refresh_table()if btnp(⬆️) thencury-=1endif btnp(⬇️) thencury+=1endcury=(cury-1)%#menu+1cury-=mscrollcury=mid(2,cury,#menu)if btnp(⬅️) thencurx-=1endif btnp(➡️) thencurx+=1endif cury<#menu thencurx=(curx-2)%(#menu[cury]-1)+2elsecurx=1endlocal mymnu=menu[cury][curx]if mymnu.y+scrolly>110 thenscrolly-=4endif mymnu.y+scrolly<10 thenscrolly+=4endscrolly=min(0,scrolly)if mymnu.x+scrollx>110 thenscrollx-=2endif mymnu.x+scrollx<20 thenscrollx+=2endscrollx=min(0,scrollx)if btnp(❎) thenlocal mymnu=menu[cury][curx]if mymnu.cmd=="edit" then_upd=upd_typetypetxt=tostr(mymnu.txt)typecur=#typetxt+1elseif mymnu.cmd=="newline" thenadd(data,{0})  elseif mymnu.cmd=="newcell" thenadd(data[mymnu.cmdy],0)endend
endfunction upd_type()if key thenif key=="\r" then-- enterlocal mymnu=menu[cury][curx]poke(0x5f30,1)local typeval=tonum(typetxt)if typeval==nil thenif mymnu.cmdx==#data[mymnu.cmdy] and typetxt=="" then--delete celldeli(data[mymnu.cmdy],mymnu.cmdx)if mymnu.cmdx==1 thendeli(data,mymnu.cmdy)end_upd=update_tablereturnend  typeval=0enddata[mymnu.cmdy][mymnu.cmdx]=typeval_upd=update_tablereturnelseif key=="\b" then--backspaceif typecur>1 thenif typecur>#typetxt thentypetxt=sub(typetxt,1,#typetxt-1)elselocal txt_bef=sub(typetxt,1,typecur-2)local txt_aft=sub(typetxt,typecur)typetxt=txt_bef..txt_aftendtypecur-=1endelseif typecur>#typetxt thentypetxt..=keyelselocal txt_bef=sub(typetxt,1,typecur-1)local txt_aft=sub(typetxt,typecur)typetxt=txt_bef..key..txt_aftendtypecur+=1endendif btnp(⬅️) thentypecur-=1endif btnp(➡️) thentypecur+=1endtypecur=mid(1,typecur,#typetxt+1)
end
-->8
--toolsfunction bgprint(txt,x,y,c)print("\#0"..txt,x,y,c)
endfunction split2d(s)local arr=split(s,"|",false)for k, v in pairs(arr) doarr[k] = split(v)endreturn arr
end
-->8
--i/o
function export()local s=arrname.."=split2d\""for i=1,#data doif i>1 thens..="|"endfor j=1,#data[i] doif j>1 thens..=","ends..=data[i][j]endends..="\""printh(s,file,true)add(msg,{txt="exported!",t=120})--debug[1]="exported!"
end
__gfx__
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
__map__
0000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000