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https://github.com/wesnoth/wesnoth
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234dd067cd
...as the caller may be using $random already as a macro parameter. This is a gratuitous fix to an issue that would be correctly solved if mainline macros used a well defined variable naming convention for the lack of the scope concept.
72 lines
2.0 KiB
INI
72 lines
2.0 KiB
INI
#textdomain wesnoth
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# Utility macros for manipulating map terrain and overlays.
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# These don't depend on any other macros. Please don't change this.
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# ! in comments is used in generating HTML documentation, ignore it otherwise.
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#define MODIFY_TERRAIN TERRAIN X_SPAN Y_SPAN
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# Changes the terrain at a given list of coordinates
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#
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# For example, we could make 14,15 and 14,16 grassland:
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#! {MODIFY_TERRAIN Gg (14,14) (15,16)}
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[terrain]
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terrain={TERRAIN}
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x={X_SPAN}
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y={Y_SPAN}
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[/terrain]
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#enddef
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#define MODIFY_TERRAIN_MASK X Y MASK_VALUE RULES_WML
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# Changes the terrain for a given area
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[terrain_mask]
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x={X}
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y={Y}
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mask={MASK_VALUE}
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{RULES_WML}
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[/terrain_mask]
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#enddef
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#define SCATTER_IMAGE FILTER NUMBER IMAGE
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# Place NUMBER copies of the IMAGE on map hexes matching FILTER.
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# Does not check for collisions.
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#
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# This call will scatter 20 copies of a pine-tree graphic over grassland:
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#! {SCATTER_IMAGE (terrain=Gg) 20 scenery/pine1.png}
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[store_locations]
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{FILTER}
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variable=random_placement_locations
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[/store_locations]
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{VARIABLE_OP random_string format "0..$random_placement_locations.length"}
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{VARIABLE REPEAT_i 0}
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[while]
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[variable]
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name=REPEAT_i
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less_than={NUMBER}
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[/variable]
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[do]
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[set_variable]
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name=random_subscript
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rand=$random_string
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[/set_variable]
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{VARIABLE_OP random_placement_x format "$random_placement_locations[$random_subscript].x"}
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{VARIABLE_OP random_placement_y format "$random_placement_locations[$random_subscript].y"}
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[item]
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image={IMAGE}
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x,y=$random_placement_x,$random_placement_y
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[/item]
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{VARIABLE_OP REPEAT_i add 1}
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[/do]
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[/while]
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{CLEAR_VARIABLE REPEAT_i}
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{CLEAR_VARIABLE random_subscript}
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{CLEAR_VARIABLE random_placement_locations}
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#enddef
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