scripts/common/util.lua

@@ -92,6 +92,28 @@ local function dump(o)
     end
 end
 
+local function all(t, predicate)
+    predicate = predicate or function(e) return e end
+
+    for _, e in ipairs(t) do
+        if not predicate(e) then
+            return false
+        end
+    end
+    return true
+end
+
+local function any(t, predicate)
+    predicate = predicate or function(e) return e end
+
+    for _, e in ipairs(t) do
+        if predicate(e) then
+            return true
+        end
+    end
+    return false
+end
+
 return {
     split = split,
     filter = filter,
@@ -104,5 +126,7 @@ return {
     mix = mix,
     modIndex = modIndex,
     firstAlphaNum = firstAlphaNum,
-    dump = dump
+    dump = dump,
+    all = all,
+    any = any
 }

scripts/components/radar.lua

@@ -8,6 +8,7 @@ require("api.point2d")
 require("api.color")
 
 local Dim = require("common.dimensions")
+local Util = require("common.util")
 
 Dim.updateResolution()
 
@@ -15,6 +16,8 @@ local RADAR_PURPLE = ColorRGBA.new(238, 130, 238)
 local RADAR_MAGENTA = ColorRGBA.new(191, 70, 235)
 local RADAR_GREEN = ColorRGBA.new(0, 255, 100)
 
+local maxScaleFactor = 1.8
+
 ---@param p1 Point2D
 ---@param p2 Point2D
 ---@param width number
@@ -282,8 +285,8 @@ function Radar:drawRadarMesh()
     local colorCenter = ColorRGBA.new(112, 119, 255, 230)  -- light blue-ish purple
 
     -- Calculate the maximum size based on the constraint
-    local maxSize = self.RADIUS * self.scale + 10
-    local maxLineLength = maxSize + (maxSize / 2)
+    local maxSize = self.RADIUS * self.scale
+    local maxLineLength = maxSize * maxScaleFactor
     self._hexagonMesh:SetParam("maxSize", maxLineLength + .0)
 
     -- Set the color of the hexagon
@@ -304,8 +307,7 @@ function Radar:drawRadarMesh()
 
         --local angle = math.rad(60 * (i-1)) + rotationAngle
         local scale = scaleFact[j]
-        local lineLength = maxLineLength * scale
-        lineLength = math.min(lineLength, maxLineLength)  -- Cap the length
+        local lineLength = maxSize * scale
         local px = lineLength * math.cos(angle)
         local py = lineLength * math.sin(angle)
         table.insert(vertices, {{px, py}, {0, 0}})
@@ -366,52 +368,220 @@ function Radar:updateGraph(info, dif)
     --local txtFilePath = extractedSubstring .. "radar\\" .. dif .. ".txt"
 
     --local song = io.open(txtFilePath, "r")
-    local song = io.open(info.."/"..dif..".ksh")
-    game.Log(info.."/"..dif..".ksh", game.LOGGER_DEBUG)
+    local fullPath = info.."/"..dif..".ksh"
+    local song = io.open(fullPath)
+    game.Log('Reading chart data from "'..fullPath..'"', game.LOGGER_DEBUG)
     game.Log(song and "file open" or "file not found", game.LOGGER_DEBUG)
     if song then
         local chartData = song:read("*all")
         song:close()
 
         local notesCount, knobCount, oneHandCount, handTripCount = 0, 0, 0, 0
+        local chartLineCount = 0
+        local notesValue = 0
+        local peakValue = 0
+        local tsumamiValue = 0
         local trickyValue = 0
         local totalMeasures = 0
-        local totalSongLength = 0
-        local tsumamiValue = 0
 
+        local lastNotes = {}
+        local lastFx = {}
+        local measureLength = 0
+
+        ---@cast chartData string
         for line in chartData:gmatch("[^\r\n]+") do
-            local noteType, fxType, laserType = line:match("(%d%d%d%d)|(%d%d)|([%-%a ]+)")
+            -- <bt-lanes x 4>|<fx-lanes x 2>|<laser-lanes x 2><lane-spin (optional)>
 
-            if noteType and fxType then
-                local noteCount = noteType:match("1") and 1 or 0
+            --game.Log(line, game.LOGGER_DEBUG)
 
-                notesCount = notesCount + noteCount
-                knobCount = knobCount + (fxType == "02" and 1 or 0)
+            local patternBt = "([012][012][012][012])"
+            local patternFx = "([012ABDFGHIJKLPQSTUVWX][012ABDFGHIJKLPQSTUVWX])"
+            local patternLaser = "([%-:%dA-Za-o][%-:%dA-Za-o])"
+            local patternLaneSpin = "([@S][%(%)<>]%d+)" -- optional
+            local pattern = patternBt.."|"..patternFx.."|"..patternLaser
 
-                oneHandCount = oneHandCount + (laserType:match("[79A-D:]") and 1 or 0)
-                handTripCount = handTripCount + (laserType:match("[HKPUV:]") and 1 or 0)
-                if laserType ~= "--" then
-                tsumamiValue = tsumamiValue + 0.5
+            -- match line format
+
+            local noteType, fxType, laserType = line:match(pattern)
+            local laneSpin = line:match(patternLaneSpin)
+
+            if noteType and fxType and laserType then
+                chartLineCount = chartLineCount + 1
+
+                -- convert strings to array, to be easily indexable
+
+                noteType = {noteType:match("([012])([012])([012])([012])")}
+                fxType = {fxType:match("([012ABDFGHIJKLPQSTUVWX])([012ABDFGHIJKLPQSTUVWX])")}
+                laserType = {laserType:match("([%-:%dA-Za-o])([%-:%dA-Za-o])")}
+
+                ---@cast noteType string[]
+                ---@cast fxType string[]
+                ---@cast laserType string[]
+
+                -- parse notes
+
+                local function isNewNote(idx, note)
+                    if note == "2" and lastNotes[idx] ~= note then
+                        -- a new hold note
+                        return true
+                    end
+                    if note == "1" then
+                        -- a chip
+                        return true
+                    end
                 end
+                for noteIdx, note in ipairs(noteType) do
+                    if isNewNote(noteIdx, note) then
+                        notesCount = notesCount + 1
+                    end
+                end
+
+                -- parse fx
+
+                local function isNewFx(idx, fx)
+                    if fx:match("[1ABDFGHIJKLPQSTUVWX]") and lastFx[idx] ~= fx then
+                        -- a new hold note
+                        return true
+                    end
+                    if fx == "2" then
+                        -- a chip
+                        return true
+                    end
+                end
+                for fxIdx, fx in ipairs(fxType) do
+                    if isNewFx(fxIdx, fx) then
+                        notesCount = notesCount + 1
+                    end
+                end
+
+                -- parse laser
+
+                for _, laser in ipairs(laserType) do
+                    if laser ~= "-" then
+                        knobCount = knobCount + 1
+                    end
+                end
+
+                -- figure out one-handed notes (there's a BT or FX while a hand is manipulating a knob)
+                -- also try to figure out cross-handed notes (one-handed notes, but on the same side as knob)
+
+                local function countBtFx()
+                    local count = 0
+                    for noteIdx, note in ipairs(noteType) do
+                        if isNewNote(noteIdx, note) then
+                            count = count + 1
+                        end
+                    end
+                    for fxIdx, fx in ipairs(fxType) do
+                        if isNewFx(fxIdx, fx) then
+                            count = count + 1
+                        end
+                    end
+                    return count
+                end
+                ---@param side "left"|"right"
+                local function countSide(side)
+                    local count = 0
+                    local notes = {}
+                    local fx = ""
+                    if side == "left" then
+                        notes = {noteType[1], noteType[2]}
+                        fx = fxType[1]
+                        if isNewFx(1, fx) then
+                            count = count + 1
+                        end
+                    elseif side == "right" then
+                        notes = {noteType[3], noteType[4]}
+                        fx = fxType[2]
+                        if isNewFx(2, fx) then
+                            count = count + 1
+                        end
+                    else
+                        game.Log("countSide: Invalid side parameter", game.LOGGER_ERROR)
+                        return 0
+                    end
+                    for noteIdx, note in ipairs(notes) do
+                        if isNewNote(noteIdx, note) then
+                            count = count + 1
+                        end
+                    end
+                    return count
+                end
+                if laserType[1] ~= "-" and laserType[2] == "-" then
+                    oneHandCount = oneHandCount + countBtFx()
+                    handTripCount = handTripCount + countSide("left")
+                end
+                if laserType[1] == "-" and laserType[2] ~= "-" then
+                    oneHandCount = oneHandCount + countBtFx()
+                    handTripCount = handTripCount + countSide("right")
+                end
+
+                lastNotes = noteType
+                lastFx = fxType
+
+                measureLength = measureLength + 1
             end
 
             if line == "--" then
+                -- end of measure
+                measureLength = math.max(1, measureLength)
+
+                local relativeMeasureLength = measureLength / 192
+
+                -- calculate peak density
+                local peak = (notesCount / 6) / relativeMeasureLength
+                peakValue = math.max(peakValue, peak)
+                --[[
+                local debuglog = {
+                    measureLength = measureLength,
+                    notesCount = notesCount,
+                    relativeMeasureLength = relativeMeasureLength,
+                    peak = peak,
+                }
+                for k, v in pairs(debuglog) do
+                    game.Log(k..": "..v, game.LOGGER_DEBUG)
+                end                    
+                ]]
+
+                -- cumulate "time" spent operating the knobs
+                local tsumami = (knobCount / 2) / relativeMeasureLength
+                tsumamiValue = tsumamiValue + tsumami
+
+                measureLength = 0
+                notesCount = 0
+
+                -- cumulate peak values (used to average notes over the length of the song)
+                notesValue = notesValue + peak
+
                 totalMeasures = totalMeasures + 1
-            elseif line:match("t=(%d+)") then
-                local bpm = tonumber(line:match("t=(%d+)"))
-                totalSongLength = math.max(totalSongLength, bpm)
             end
 
-            if line:match("beat=") or line:match("stop=") or
-               line:match("zoom_top=") or line:match("zoom_bottom=") or line:match("center_split=") then
-                trickyValue = trickyValue + 0.5
+            local beat = line:match("beat=(%d+/%d+)")
+            if beat then
+                beat = {beat:match("(%d+)/(%d+)")}
+            end
+
+            --BUG: This is not correct, it needs to account for effect length
+            local function isTricky()
+                local tricks = {
+                    "beat",
+                    "stop",
+                    "zoom_top",
+                    "zoom_bottom",
+                    "zoom_side",
+                    "center_split",
+                }
+                return Util.any(tricks, function(e) return line:match("e") end)
+            end
+            if laneSpin or isTricky() then
+                trickyValue = trickyValue + 1
             end
         end
 
         local graphValues = {
-            notes = (notesCount / totalSongLength),
-            peak = (notesCount / totalMeasures) * 10,
-            tsumami = tsumamiValue,
+            notes = notesValue / totalMeasures,
+            peak = peakValue,
+            tsumami = tsumamiValue / totalMeasures,
             tricky = trickyValue,
             handtrip = handTripCount,
             onehand = oneHandCount,
@@ -422,21 +592,21 @@ function Radar:updateGraph(info, dif)
             game.Log(k..": "..v, game.LOGGER_DEBUG)
         end
 
-        local scaleFactors = {
-            notes = 2,
-            peak = 50,
-            tsumami = 500,
-            tricky = 50,
-            handtrip = 100,
-            onehand = 50,
+        local calibration = {
+            notes = 10,
+            peak = 48,
+            tsumami = 20000,
+            tricky = 128,
+            handtrip = 300,
+            onehand = 300,
         }
 
-        for key, factor in pairs(scaleFactors) do
+        for key, factor in pairs(calibration) do
             -- Apply the scaling factor to each value
             self._graphdata[key] = graphValues[key] / factor
 
-            -- Limit to a maximum of 125%
-            self._graphdata[key] = math.min(1.25, self._graphdata[key])
+            -- Limit to maximum scale factor
+            self._graphdata[key] = math.min(self._graphdata[key], maxScaleFactor)
         end
 
         game.Log("_graphdata", game.LOGGER_DEBUG)