6f7e76cbac
This allows WML/lua authors to optionally skip [item]'s implicit redraw call. shadowmaster was experiencing some negative visual effects due to this.
110 lines
2.8 KiB
Lua
110 lines
2.8 KiB
Lua
local helper = wesnoth.require "lua/helper.lua"
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local wml_actions = wesnoth.wml_actions
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local game_events = wesnoth.game_events
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local scenario_items = {}
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local function add_overlay(x, y, cfg)
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wesnoth.add_tile_overlay(x, y, cfg)
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local items = scenario_items[x * 10000 + y]
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if not items then
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items = {}
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scenario_items[x * 10000 + y] = items
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end
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table.insert(items, { x = x, y = y, image = cfg.image, halo = cfg.halo, team_name = cfg.team_name, visible_in_fog = cfg.visible_in_fog, redraw = cfg.redraw })
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end
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local function remove_overlay(x, y, name)
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local items = scenario_items[x * 10000 + y]
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if not items then return end
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wesnoth.remove_tile_overlay(x, y, name)
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if name then
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for i = #items,1,-1 do
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local item = items[i]
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if item.image == name or item.halo == name then
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table.remove(items, i)
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end
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end
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end
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if not name or #items == 0 then
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scenario_items[x * 10000 + y] = nil
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end
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end
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local old_on_save = game_events.on_save
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function game_events.on_save()
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local custom_cfg = old_on_save()
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for i,v in pairs(scenario_items) do
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for j,w in ipairs(v) do
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table.insert(custom_cfg, { "item", w })
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end
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end
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return custom_cfg
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end
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local old_on_load = game_events.on_load
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function game_events.on_load(cfg)
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local i = 1
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while i <= #cfg do
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local v = cfg[i]
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if v[1] == "item" then
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local v2 = v[2]
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add_overlay(v2.x, v2.y, v2)
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table.remove(cfg, i)
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else
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i = i + 1
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end
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end
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old_on_load(cfg)
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end
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function wml_actions.item(cfg)
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local locs = wesnoth.get_locations(cfg)
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cfg = helper.parsed(cfg)
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if not cfg.image and not cfg.halo then
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helper.wml_error "[item] missing required image= and halo= attributes."
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end
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for i, loc in ipairs(locs) do
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add_overlay(loc[1], loc[2], cfg)
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end
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local redraw = cfg.redraw
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if redraw == nil then redraw = true end
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if redraw then wml_actions.redraw {} end
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end
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function wml_actions.remove_item(cfg)
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local locs = wesnoth.get_locations(cfg)
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for i, loc in ipairs(locs) do
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remove_overlay(loc[1], loc[2], cfg.image)
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end
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end
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function wml_actions.store_items(cfg)
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local variable = cfg.variable or "items"
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variable = tostring(variable) or helper.wml_error("invalid variable= in [store_items]")
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wesnoth.set_variable(variable)
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local index = 0
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for i, loc in ipairs(wesnoth.get_locations(cfg)) do
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--ugly workaround for the lack of the "continue" statement in lua
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repeat
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local items = scenario_items[loc[1] * 10000 + loc[2]]
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if not items then break end
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for j, item in ipairs(items) do
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wesnoth.set_variable(string.format("%s[%u]", variable, index), item)
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index = index + 1
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end
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until true
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end
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end
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local methods = { remove = remove_overlay }
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function methods.place_image(x, y, name)
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add_overlay(x, y, { x = x, y = y, image = name })
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end
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function methods.place_halo(x, y, name)
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add_overlay(x, y, { x = x, y = y, halo = name })
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end
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return methods
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