diff options
Diffstat (limited to 'games/devtest/mods/lighting/init.lua')
| -rw-r--r-- | games/devtest/mods/lighting/init.lua | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/games/devtest/mods/lighting/init.lua b/games/devtest/mods/lighting/init.lua new file mode 100644 index 000000000..5fb0f68fe --- /dev/null +++ b/games/devtest/mods/lighting/init.lua @@ -0,0 +1,140 @@ +local lighting_sections = { + {n = "shadows", d = "Shadows", + entries = { + { n = "intensity", d = "Shadow Intensity", min = 0, max = 1 } + } + }, + { + n = "exposure", d = "Exposure", + entries = { + {n = "luminance_min", d = "Minimum Luminance", min = -10, max = 10}, + {n = "luminance_max", d = "Maximum Luminance", min = -10, max = 10}, + {n = "exposure_correction", d = "Exposure Correction", min = -10, max = 10}, + {n = "speed_dark_bright", d = "Bright light adaptation speed", min = -10, max = 10, type="log2"}, + {n = "speed_bright_dark", d = "Dark scene adaptation speed", min = -10, max = 10, type="log2"}, + {n = "center_weight_power", d = "Power factor for center-weighting", min = 0.1, max = 10}, + } + } +} + +local function dump_lighting(lighting) + local result = "{\n" + local section_count = 0 + for _,section in ipairs(lighting_sections) do + section_count = section_count + 1 + + local parameters = section.entries or {} + local state = lighting[section.n] or {} + + result = result.." "..section.n.." = {\n" + + local count = 0 + for _,v in ipairs(parameters) do + count = count + 1 + result = result.." "..v.n.." = "..(math.floor(state[v.n] * 1000)/1000) + if count < #parameters then + result = result.."," + end + result = result.."\n" + end + + result = result.." }" + + if section_count < #lighting_sections then + result = result.."," + end + result = result.."\n" + end + result = result .."}" + return result +end + +minetest.register_chatcommand("set_lighting", { + params = "", + description = "Tune lighting parameters", + func = function(player_name, param) + local player = minetest.get_player_by_name(player_name); + if not player then return end + + local lighting = player:get_lighting() + local exposure = lighting.exposure or {} + + local form = { + "formspec_version[2]", + "size[15,30]", + "position[0.99,0.15]", + "anchor[1,0]", + "padding[0.05,0.1]", + "no_prepend[]" + }; + + local line = 1 + for _,section in ipairs(lighting_sections) do + local parameters = section.entries or {} + local state = lighting[section.n] or {} + + table.insert(form, "label[1,"..line..";"..section.d.."]") + line = line + 1 + + for _,v in ipairs(parameters) do + table.insert(form, "label[2,"..line..";"..v.d.."]") + table.insert(form, "scrollbaroptions[min=0;max=1000;smallstep=10;largestep=100;thumbsize=10]") + local value = state[v.n] + if v.type == "log2" then + value = math.log(value or 1) / math.log(2) + end + local sb_scale = math.floor(1000 * (math.max(v.min, value or 0) - v.min) / (v.max - v.min)) + table.insert(form, "scrollbar[2,"..(line+0.7)..";12,1;horizontal;"..section.n.."."..v.n..";"..sb_scale.."]") + line = line + 2.7 + end + + line = line + 1 + end + + minetest.show_formspec(player_name, "lighting", table.concat(form)) + local debug_value = dump_lighting(lighting) + 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}) + player:get_meta():set_int("lighting_hud", debug_ui) + end +}) + +minetest.register_on_player_receive_fields(function(player, formname, fields) + if formname ~= "lighting" then return end + + if not player then return end + + local hud_id = player:get_meta():get_int("lighting_hud") + + if fields.quit then + player:hud_remove(hud_id) + player:get_meta():set_int("lighting_hud", -1) + return + end + + local lighting = player:get_lighting() + for _,section in ipairs(lighting_sections) do + local parameters = section.entries or {} + + local state = (lighting[section.n] or {}) + lighting[section.n] = state + + for _,v in ipairs(parameters) do + + if fields[section.n.."."..v.n] then + local event = minetest.explode_scrollbar_event(fields[section.n.."."..v.n]) + if event.type == "CHG" then + local value = v.min + (v.max - v.min) * (event.value / 1000); + if v.type == "log2" then + value = math.pow(2, value); + end + state[v.n] = value; + end + end + end + end + + local debug_value = dump_lighting(lighting) + player:hud_change(hud_id, "text", debug_value) + + player:set_lighting(lighting) +end)
\ No newline at end of file |