90 lines
2.8 KiB
Lua
90 lines
2.8 KiB
Lua
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friendship_civ={}
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function friendship_civ.init()
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friendship_civ.count=0x0f
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friendship_civ.firsttime=true
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local mypos=engine.getmod("Friendship_civ")
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local modpos=0
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if mypos then
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modpos=mypos
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_,modsize=engine.loadobj("dfusion/friendship_civ/friendship_c.o")
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_=nil
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friendship_civ.firsttime=false
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else
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modpos,modsize=engine.loadmod("dfusion/friendship_civ/friendship_c.o","Friendship_civ",1024)
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print(string.format("Loaded module @:%x",modpos))
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end
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friendship_civ.modpos=modpos
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friendship_civ.modsize=modsize
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end
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function friendship_civ.install(civs)
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friendship_civ.init()
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local count=0
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for _,v in pairs(civs) do
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engine.poked(friendship_civ.modpos+friendship_civ.modsize+count*4,v) -- for some reason it compiled strangely
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-- cmp word[ebx+ecx*2],ax -> cmp word[ebx+ecx*2+2],ax
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count = count + 1
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end
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engine.poked(friendship_civ.modpos+0x0a,friendship_civ.modpos+friendship_civ.modsize) -- set ptr to civ ids
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engine.poked(friendship_civ.modpos+friendship_civ.count,count-1) -- set count of civs
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SetExecute(friendship_civ.modpos)
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if(friendship_civ.firsttime) then
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friendship_civ.patch()
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end
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end
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function friendship_civ.getcivs()
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if(friendship_civ.firsttime==nil)then
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return nil
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end
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friendship_civ.init()
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local count=engine.peekd(friendship_civ.modpos+friendship_civ.count)+1
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local ret={}
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for i=0, count-1 do
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table.insert(ret,engine.peekd(friendship_civ.modpos+friendship_civ.modsize+i*4))
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end
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return ret
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end
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function friendship_civ.addciv(civ) --if called with nil add current civ :)
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if civ==nil then
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local cciv=engine.peekd(VersionInfo.getGroup("Creatures"):getAddress("current_civ"))
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friendship_civ.install({cciv})
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return
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end
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local oldcivs=friendship_civ.getcivs()
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oldcivs=oldcivs or {}
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if type(civ)=="table" then
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for k,v in ipairs(civ) do
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table.insert(oldcivs,v)
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end
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else
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table.insert(oldcivs,civ)
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end
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friendship_civ.install(oldcivs)
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end
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function friendship_civ.patch_call(off,iseax)
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local calltrg=friendship_civ.modpos
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if not iseax then
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calltrg=calltrg+4
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end
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engine.pokeb(off,0xe8) --this is a call
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engine.poked(off+1,calltrg-off-5) --offset to call to (relative)
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engine.pokeb(off+5,0x90) --nop
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end
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function friendship_civ.patch()
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--UpdateRanges()
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local civloc= VersionInfo.getGroup("Creatures"):getAddress("current_civ")
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local pos1=offsets.findall(0,0x3B,0x05,DWORD_,civloc) --eax
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for k,v in pairs(pos1) do print(string.format("%d %x",k,v)) end
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local pos2=offsets.findall(0,0x3B,0x0D,DWORD_,civloc) --ecx
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for k,v in pairs(pos2) do print(string.format("%d %x",k,v)) end
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for k,v in pairs(pos1) do
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print(string.format("Patching eax compare %d: %x",k,v))
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friendship_civ.patch_call(v,true)
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end
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for k,v in pairs(pos2) do
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print(string.format("Patching ecx compare %d: %x",k,v))
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friendship_civ.patch_call(v,false)
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end
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end
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