mirror of https://github.com/minetest/minetest.git
140 lines
4.0 KiB
Lua
140 lines
4.0 KiB
Lua
local lighting_sections = {
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{n = "shadows", d = "Shadows",
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entries = {
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{ n = "intensity", d = "Shadow Intensity", min = 0, max = 1 }
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}
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},
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{
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n = "exposure", d = "Exposure",
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entries = {
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{n = "luminance_min", d = "Minimum Luminance", min = -10, max = 10},
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{n = "luminance_max", d = "Maximum Luminance", min = -10, max = 10},
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{n = "exposure_correction", d = "Exposure Correction", min = -10, max = 10},
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{n = "speed_dark_bright", d = "Bright light adaptation speed", min = -10, max = 10, type="log2"},
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{n = "speed_bright_dark", d = "Dark scene adaptation speed", min = -10, max = 10, type="log2"},
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{n = "center_weight_power", d = "Power factor for center-weighting", min = 0.1, max = 10},
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}
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}
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}
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local function dump_lighting(lighting)
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local result = "{\n"
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local section_count = 0
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for _,section in ipairs(lighting_sections) do
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section_count = section_count + 1
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local parameters = section.entries or {}
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local state = lighting[section.n] or {}
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result = result.." "..section.n.." = {\n"
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local count = 0
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for _,v in ipairs(parameters) do
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count = count + 1
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result = result.." "..v.n.." = "..(math.floor(state[v.n] * 1000)/1000)
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if count < #parameters then
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result = result..","
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end
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result = result.."\n"
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end
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result = result.." }"
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if section_count < #lighting_sections then
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result = result..","
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end
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result = result.."\n"
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end
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result = result .."}"
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return result
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end
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minetest.register_chatcommand("set_lighting", {
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params = "",
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description = "Tune lighting parameters",
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func = function(player_name, param)
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local player = minetest.get_player_by_name(player_name);
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if not player then return end
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local lighting = player:get_lighting()
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local exposure = lighting.exposure or {}
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local form = {
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"formspec_version[2]",
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"size[15,30]",
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"position[0.99,0.15]",
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"anchor[1,0]",
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"padding[0.05,0.1]",
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"no_prepend[]"
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};
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local line = 1
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for _,section in ipairs(lighting_sections) do
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local parameters = section.entries or {}
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local state = lighting[section.n] or {}
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table.insert(form, "label[1,"..line..";"..section.d.."]")
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line = line + 1
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for _,v in ipairs(parameters) do
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table.insert(form, "label[2,"..line..";"..v.d.."]")
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table.insert(form, "scrollbaroptions[min=0;max=1000;smallstep=10;largestep=100;thumbsize=10]")
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local value = state[v.n]
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if v.type == "log2" then
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value = math.log(value or 1) / math.log(2)
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end
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local sb_scale = math.floor(1000 * (math.max(v.min, value or 0) - v.min) / (v.max - v.min))
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table.insert(form, "scrollbar[2,"..(line+0.7)..";12,1;horizontal;"..section.n.."."..v.n..";"..sb_scale.."]")
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line = line + 2.7
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end
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line = line + 1
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end
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minetest.show_formspec(player_name, "lighting", table.concat(form))
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local debug_value = dump_lighting(lighting)
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local debug_ui = player:hud_add({type="text", position={x=0.1, y=0.3}, scale={x=1,y=1}, alignment = {x=1, y=1}, text=debug_value, number=0xFFFFFF})
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player:get_meta():set_int("lighting_hud", debug_ui)
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end
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})
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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if formname ~= "lighting" then return end
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if not player then return end
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local hud_id = player:get_meta():get_int("lighting_hud")
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if fields.quit then
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player:hud_remove(hud_id)
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player:get_meta():set_int("lighting_hud", -1)
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return
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end
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local lighting = player:get_lighting()
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for _,section in ipairs(lighting_sections) do
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local parameters = section.entries or {}
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local state = (lighting[section.n] or {})
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lighting[section.n] = state
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for _,v in ipairs(parameters) do
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if fields[section.n.."."..v.n] then
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local event = minetest.explode_scrollbar_event(fields[section.n.."."..v.n])
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if event.type == "CHG" then
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local value = v.min + (v.max - v.min) * (event.value / 1000);
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if v.type == "log2" then
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value = math.pow(2, value);
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end
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state[v.n] = value;
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end
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end
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end
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end
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local debug_value = dump_lighting(lighting)
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player:hud_change(hud_id, "text", debug_value)
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player:set_lighting(lighting)
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end) |