95 lines
4.0 KiB
Lua
95 lines
4.0 KiB
Lua
local dfu=require("plugins.dfusion")
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local ms=require("memscan")
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local MAX_RACES=100
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CustomEmbark=defclass(CustomEmbark,dfu.BinaryPlugin)
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local myos=dfhack.getOSType()
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if myos=="windows" then
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CustomEmbark.ATTRS{filename="dfusion/embark/embark.o",name="CustomEmbark",race_caste_data=DEFAULT_NIL}
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CustomEmbark.class_status="valid, not installed"
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function CustomEmbark:install()
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local stoff=dfhack.internal.getAddress('start_dwarf_count')
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if #self.race_caste_data<7 then
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error("caste and race count must be bigger than 6")
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end
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if #self.race_caste_data>MAX_RACES then
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error("caste and race count must be less then "..MAX_RACES)
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end
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if stoff==nil then
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error("address for start_dwarf_count not found!")
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end
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local _,race_id_offset=df.sizeof(df.global.ui:_field("race_id"))
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print(string.format("start=%08x",stoff))
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local needle={0x0f,0xb7,0x0d} --movzx eax,dword ptr [race_id]
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local tmp_table=dfu.dwordToTable(race_id_offset)
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for k,v in ipairs(tmp_table) do
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table.insert(needle,v)
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end
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local mem=ms.get_code_segment()
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print(mem.uint8_t:addr2idx(stoff))
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print(mem.uint8_t:find(needle,mem.uint8_t:addr2idx(stoff)))
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local _,trg_offset=mem.uint8_t:find(needle,mem.uint8_t:addr2idx(stoff),nil)--maybe endoff=stoff+bignumber
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if trg_offset==nil then
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error("address for race_load not found")
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end
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local call_data={0x90,0x90}
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local _,data_offset=df.sizeof(self.data)
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dfu.concatTables(call_data,dfu.makeCall(trg_offset+2,data_offset))
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self.call_patch=dfu.BinaryPatch{pre_data=needle,data=call_data,address=trg_offset,name="custom_embark_call_patch"}
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needle={0x83,0xc8,0xff} -- or eax, 0xFF
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local _,caste_offset=mem.uint8_t:find(needle,mem.uint8_t:addr2idx(trg_offset),nil)
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if caste_offset==nil or caste_offset-stoff>1000 then
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error("Caste change code not found or found too far!")
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end
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self.disable_castes=dfu.BinaryPatch{pre_data={0x83,0xc8,0xff},data={0x90,0x90,0x90},address=caste_offset,name="custom_embark_caste_disable"}
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self.disable_castes:apply()
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self.dwarfcount=dfu.BinaryPatch{pre_data=dfu.dwordToTable(7),data=dfu.dwordToTable(#self.race_caste_data),address=stoff,name="custom_embark_embarkcount"}
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self.dwarfcount:apply()
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local caste_array=self:allocate("caste_array","uint16_t",#self.race_caste_data)
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local race_array=self:allocate("race_array","uint16_t",#self.race_caste_data)
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self:setEmbarkParty(self.race_caste_data)
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for k,v in ipairs(self.race_caste_data) do
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caste_array[k-1]=v[2]
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race_array[k-1]=v[1]
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end
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local race_array_off,caste_array_off
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local _
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_,race_array_off=df.sizeof(race_array)
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_,caste_array_off=df.sizeof(caste_array)
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self:set_marker_dword("race",caste_array_off) --hehe... mixed them up i guess...
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self:set_marker_dword("caste",race_array_off)
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self:move_to_df()
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self.call_patch:apply()
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self.installed=true
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end
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function CustomEmbark:setEmbarkParty(racesAndCastes)
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self.race_caste_data=racesAndCastes
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if self.dwarfcount== nil then
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self.dwarfcount=dfu.BinaryPatch{pre_data=dfu.dwordToTable(7),data=dfu.dwordToTable(#self.race_caste_data),address=stoff,name="custom_embark_embarkcount"}
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self.dwarfcount:apply()
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else
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self.dwarfcount:repatch(dfu.dwordToTable(#self.race_caste_data))
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end
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end
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function CustomEmbark:status()
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if self.installed then
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return "valid, installed"
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else
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return "valid, not installed"
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end
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end
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function CustomEmbark:uninstall()
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if self.installed then
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self.call_patch:remove()
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self.disable_castes:remove()
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self.dwarfcount:remove()
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end
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end
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else
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CustomEmbark.class_status="invalid, os not supported"
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end |