奇迹是一种特殊的决议,比较常见的是修建运河,通过变更目标环境替换成可通行的河流。
创造一个奇迹需要修改多个不同的文件才能达成。注意,本文将以运河为例描述如何创造一个“奇迹”。
奇迹工程
奇迹可以在/Europa Universalis IV/common/great_projects/*.txt中找到。 格式如下:
<project> = { # Province the project starts in start = <province id> # Date built in real life (If you start the game at a date later than this, then the project will show up) date = year.month.date # How much it costs to build build_cost = <ducats> # If the project can be moved can_be_moved = yes/no # Starting tier of the project starting_tier = <tier> # Project type type = canal/monument # Conditions to build the project build_trigger = { <conditions> } # What happens when the project is built on_built = { <do stuff> # For example; add_prestige = 25 # For canal, do add_canal = <canal_name> } # What happens when the project is destroyed on_destroyed = { <do stuff> # For example; add_prestige = -25 # For canal, do remove_canal = <canal_name> } # Conditions to use project can_use_modifiers_trigger = { <conditions> } # Conditions to upgrade project can_upgrade_trigger = { <conditions> } # Conditions for if the project will be destroyed when conquered keep_trigger = { <conditions> } # Tiers tier_<tier> = { # Time it takes to upgrade the project upgrade_time = { months = <months> } # Cost to upgrade the project cost_to_upgrade = { factor = <ducats> } # What modifiers are given to the province the project is located in province_modifiers = { <modifiers> } # What modifiers are given to the area of the province the project is located in area_modifier = { <modifiers> } # What modifiers are given to the nation that owns the monument country_modifiers = { <modifiers> } # What happens when the upgrade is complete on_upgraded = { <do stuff> #For example; add_prestige = 25 } } }
注意: 原版游戏中有4个等级,包括被摧毁/未建成等级,如下所示:tier_0, tier_1, tier_2, tier_3
Great Project Image
You will need to create an image in /Europa Universalis IV/gfx/interface/great_projects/great_project_<project_name>.dds, this image should be 300x150 and saved with file type DirectDraw Surface (.dds). You will also need to add this image in /Europa Universalis IV/interface/<filename>.gfx as following:
spriteTypes = { # If editing an existing .gfx file then this line will likely already be there, so you might not need to write this. However, make sure the following are inside this. spriteType = { name = "GFX_great_project_<project_name>" texturefile = "gfx//interface//great_projects//great_project_<project_name>.dds" } }
连接海域
运河类奇迹需要在 adjacencies.csv 中定义一个特殊的链接关系。
<id>;<id>;canal;<id>;-1;-1;-1;-1;comment
前两个 <id> 为运河将链接的海域省份ID;第三个 <id> 是奇迹所在省份ID(注意:必须与奇迹文件中定义的省份相符)
地图
当运河工程完成后,运河所在省份会形成一条新的河流。正是通过这条特殊的瓦片河流图块链接到你的运河。
创建瓦片河流,你必须将图片裁剪成128(即128*128,256*256等)分辨率。从 rivers.bmp 中拷贝所需要的截面,以达成图层颜色统一的目标。
瓦片中新增需要的河流(运河), 规则与一般新建河流规则相同。
将文件名保存为 <project>_river.bmp 格式, 当中的 <project> 即为奇迹名称。
重点: 注意,在你实际操作之前,请务必留意原图 rivers.bmp 中瓦片图块的左上与左下的坐标。
在 default.map 中, 你需要自定义一条新的运河:
canal_definition = { name = "<project_name>" # 奇迹名称 x = <x> # X轴坐标对应瓦片图块的左上角坐标(其实也是左下角的x坐标) y = <y> # 地图高度 减去 你的瓦片的左下角的y-坐标 }
这里的y-坐标不是直观可见的,你在像Photoshop这样的程序中得到的y坐标,需要从地图高度(原版地图是2048像素)中减去它才能获得定义的正确值。(这个操作是把Photoshop的第四象限坐标,转换成普通的第一象限坐标。)
例如,如果你的瓦片的左下角y坐标是 1407,你应该用 2048 - 1407 得到 641,那才是你需要写进定义的值。
奇迹决议
为了使玩家或者AI可以建造奇迹,我们一般需要设置两个决议:一个用于启动建造;一个用于取消建造。
决议模板:
country_decisions = { construct_<project> = { major = yes potential = { is_random_new_world = no OR = { ai = no AND = { treasury = 60000 owns_or_vassal_of = <province id> } } has_discovered = <province id> <province id> = { range = ROOT NOT = { has_great_project = <project> } NOT = { has_construction = canal } } } allow = { owns_or_vassal_of = <province id> is_subject = no treasury = 30000 } effect = { add_treasury = -30000 <province id> = { add_great_project = {type =<project> instant = yes/no} } } ai_will_do = { factor = 1 } } cancel_<project> = { major = yes potential = { ai = no owns_or_vassal_of = <province id> is_subject = no <province id> = { has_construction = canal } } allow = { <province id> = { has_construction = canal } } effect = { <province id> = { cancel_construction = yes } } ai_will_do = { factor = 0 } } }
本地化
当然,奇迹建造若需要正常显示也少不了在本地化中添加相应条目:
<project>_title: "Name" <project>: "Name" great_project_<project>: "Name"
参考资料
三条运河的关键字:
kiel_canal
suez_canal
panama_canal
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