Changeset - c9ad5ae6640a
[Not reviewed]
default
0 2 0
Jason Maltzen (jmaltzen) - 9 years ago 2016-01-15 17:25:49
jason.maltzen@unsanctioned.net
Add a thread count for paint recipe generation to settings
2 files changed with 9 insertions and 1 deletions:
0 comments (0 inline, 0 general)
RecipeGenerator.cs
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/*
 
 * Copyright (c) 2015, Jason Maltzen
 

	
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 
 of this software and associated documentation files (the "Software"), to deal
 
 in the Software without restriction, including without limitation the rights
 
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
 copies of the Software, and to permit persons to whom the Software is
 
 furnished to do so, subject to the following conditions:
 

	
 
 The above copyright notice and this permission notice shall be included in
 
 all copies or substantial portions of the Software.
 

	
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
 THE SOFTWARE.
 
*/
 

	
 
using System;
 
using System.IO;
 
using System.Collections.Generic;
 
using System.Collections.Concurrent;
 
using System.Text.RegularExpressions;
 
using System.Threading;
 

	
 
namespace DesertPaintLab
 
{
 
    public class NewRecipeEventArgs : EventArgs
 
    {
 
        string color;
 
        PaintRecipe recipe;
 

	
 
        public NewRecipeEventArgs(string color, PaintRecipe recipe)
 
        {
 
            this.color = color;
 
            this.recipe = recipe;
 
        }
 

	
 
        public string Color
 
        {
 
            get {
 
                return color;
 
            }
 
        }
 

	
 
        public PaintRecipe Recipe
 
        {
 
            get {
 
                return recipe;
 
            }
 
        }
 
    }
 

	
 
    public class RecipeGenerator
 
    {
 
        public enum SearchType {
 
            DEPTH_FIRST,
 
            BREADTH_FIRST
 
        };
 

	
 
        public SearchType Mode { get; set; }
 

	
 
        public uint MaxQuantity { get; private set; } // maximum number of total ingredients
 
        public uint MaxReagents { get; private set; } // maximum number of reagents to use in the recipe
 
        public uint MinReagents { get; private set; } // minimum number of reagents to use in the recipe
 
        public uint FullQuantityDepth { get; private set; } // at or equal this number of reagents, ignore ingredient settings for max quantity
 
        public uint FullQuantity { get; private set; }  // The max number of a reagent to use at full quantity
 

	
 
        public uint MaxThreads { get; set; }
 

	
 
        ReactionSet reactions;
 
        bool running = false;
 

	
 
        int runningThreads = 0;
 
        
 
        SortedDictionary<string, uint> recipeCosts = new SortedDictionary<string, uint>();
 
        SortedDictionary<string, PaintRecipe> recipes = new SortedDictionary<string, PaintRecipe>();
 

	
 
        uint totalReagents;
 

	
 
        List<Reagent> costSortedReagents = new List<Reagent>();
 

	
 
        ConcurrentQueue<RecipeSearchNode> searchQueue = new ConcurrentQueue<RecipeSearchNode>();
 

	
 
        ulong recipeCount = 0;
 

	
 
        List<Thread> generatorThreads = new List<Thread>();
 
        Object workerLock = new Object();
 

	
 
        bool requestCancel = false;
 

	
 
        StreamWriter log;
 

	
 
        // events
 
        public event EventHandler Finished;
 
        public event EventHandler Progress;
 
        public event EventHandler<NewRecipeEventArgs> NewRecipe;
 

	
 
        public RecipeGenerator(ReactionSet reactions)
 
        {
 
            Mode = SearchType.BREADTH_FIRST;
 
            this.reactions = reactions;
 
            foreach (PaintColor color in Palette.Colors)
 
            {
 
                recipes.Add(color.Name, new PaintRecipe());
 
                recipeCosts.Add(color.Name, uint.MaxValue);
 
            }
 
            MinReagents = 1;
 
            MaxReagents = 5;
 
            MaxQuantity = 20;
 
        }
 

	
 
        public SortedDictionary<string, PaintRecipe> Recipes
 
        {
 
            get
 
            {
 
                return recipes;
 
            }
 
        }
 

	
 
        public ulong RecipeCount
 
        {
 
            get
 
            {
 
                return recipeCount;
 
            }
 
        }
 

	
 
        public bool CanResume
 
        {
 
            get
 
            {
 
                return (!running && (searchQueue.Count > 0));
 
            }
 
        }
 

	
 
        public string Log
 
        {
 
            set
 
            {
 
                if (value != null)
 
                {
 
                    log = new StreamWriter(value);
 
                }
 
                else
 
                {
 
                    log = null;
 
                }
 
            }
 
        }
 

	
 
        private class ReagentCostSort : IComparer<Reagent>
 
        {
 
            public int Compare(Reagent reagent1, Reagent reagent2)
 
            {
 
                return (int)reagent1.Cost - (int)reagent2.Cost;
 
            }
 
        }
 

	
 
        public void InitRecipes(SortedDictionary<string, PaintRecipe> initialRecipes)
 
        {
 
            if (running)
 
            {
 
                return;
 
            }
 
            foreach (PaintRecipe recipe in initialRecipes.Values)
 
            {
 
                //PaintRecipe recipeCopy = new PaintRecipe(recipe);
 
                AddCheapestRecipe(recipe);
 
            }
 
        }
 

	
 
        private void InitSortedReagents()
 
        {
 
            costSortedReagents.Clear();
 
            foreach (string name in ReagentManager.Names)
 
            {
 
                Reagent reagent = ReagentManager.GetReagent(name);
 
                costSortedReagents.Add(reagent);
 
            }
 
            costSortedReagents.Sort(new ReagentCostSort());
 
        }
 

	
 
        public void BeginRecipeGeneration(uint maxQuantity, uint minReagents, uint maxReagents, uint fullQuantityDepth, uint fullQuantity)
 
        {
 
            if (running)
 
            {
 
                // Already running - don't start again
 
                return;
 
            }
 

	
 
            this.MaxQuantity = maxQuantity;
 
            this.MinReagents = minReagents;
 
            this.MaxReagents = maxReagents;
 
            this.FullQuantity = fullQuantity;
 
            this.FullQuantityDepth = fullQuantityDepth;
 

	
 
            // first, sort reagents by cost.
 
            InitSortedReagents();
 

	
 
            totalReagents = (uint)costSortedReagents.Count;
 

	
 
            // Pre-populate recipes list with:
 
            // 1) 1-ingredient recipes @ 10db for all enabled ingredients with a count >= 10
 
            // 2) any previously-generated recipes
 
            int enabledReagentCount = 0;
 
            PaintRecipe recipe = new PaintRecipe();
 
            recipe.Reactions = reactions;
 
            foreach (Reagent reagent in costSortedReagents)
 
            {
 
                if (reagent.Enabled)
 
                {
 
                    if (!reagent.IsCatalyst && ((reagent.RecipeMax >= 10) || ((FullQuantityDepth > 0) && (FullQuantity >= 10))))
 
                    {
 
                        recipe.Clear();
 
                        recipe.AddReagent(reagent.Name, 10);
 
                        AddCheapestRecipe(recipe);
 
                    }
 
                    ++enabledReagentCount;
 
                }
 
            }
 
            this.MaxReagents = (uint)Math.Min(enabledReagentCount, this.MaxReagents);
 
            this.MinReagents = (uint)Math.Min(this.MinReagents, this.MaxReagents);
 

	
 
            while (!searchQueue.IsEmpty)
 
            {
 
                RecipeSearchNode node;
 
                searchQueue.TryDequeue(out node);
 
            }
 
            for (uint reagentIdx = 0; reagentIdx < costSortedReagents.Count; ++reagentIdx)
 
            {
 
                if (costSortedReagents[(int)reagentIdx].Enabled)
 
                {
 
                    RecipeSearchNode initialNode = new RecipeSearchNode(costSortedReagents, reagentIdx);
 
                    initialNode.FullQuantity = FullQuantity;
 
                    initialNode.FullQuantityDepth = FullQuantityDepth;
 
                    initialNode.MaxQuantity = maxQuantity;
 
                    initialNode.MinReagents = minReagents;
 
                    initialNode.MaxReagents = maxReagents;
 
                    searchQueue.Enqueue(initialNode);
 
                }
 
            }
 

	
 
            recipeCount = 0;
 

	
 
            if (log != null)
 
            {
 
                log.WriteLine("Begin recipe generation: MaxQuantity={0} MinReagents={1} MaxReagents={2} FullQuantity={3} FullQuantityDepth={4}", MaxQuantity, MinReagents, MaxReagents, FullQuantity, FullQuantityDepth);
 
            }
 
            
 
            // start worker threads to do the actual work
 
            ResumeRecipeGeneration();
 
        }
 

	
 
        public void ResumeRecipeGeneration()
 
        {
 
            if (running)
 
            {
 
                // Already running - don't start again
 
                return;
 
            }
 
            running = true;
 
            requestCancel = false;
 

	
 
            if (log != null)
 
            {
 
                log.WriteLine("Resuming recipe generation: pre-threads={0} reagent count={1} search queue={2}", runningThreads, costSortedReagents.Count, searchQueue.Count);
 
            }
 
            runningThreads = 0; // presumably!
 

	
 
            int threadCount = Math.Min(costSortedReagents.Count, searchQueue.Count);
 
            int threadCount = Math.Min(Math.Min(costSortedReagents.Count, searchQueue.Count), (int)MaxThreads);
 
            if (threadCount == 0)
 
            {
 
                if (Finished != null)
 
                {
 
                    Finished(this, null);
 
                }
 
            }
 
            generatorThreads.Clear();
 
            System.Console.WriteLine("Starting {0} generator threads.", threadCount);
 
            for (int i = 0; i < threadCount; ++i)
 
            {
 
                Thread thr = new Thread(new ThreadStart(this.Generate));
 
                thr.Priority = ThreadPriority.BelowNormal;
 
                generatorThreads.Add(thr);
 
            }
 
            foreach (Thread thr in generatorThreads)
 
            {
 
                thr.Start();
 
            }
 
        }
 

	
 
        public bool SaveState(string file)
 
        {
 
            if (running)
 
            {
 
                // can't save state while running
 
                return false;
 
            }
 

	
 
            using (StreamWriter writer = new StreamWriter(file, false))
 
            {
 
                writer.WriteLine("MinReagents: {0}", MinReagents);
 
                writer.WriteLine("MaxReagents: {0}", MaxReagents);
 
                writer.WriteLine("FullQuantityDepth: {0}", FullQuantityDepth);
 
                writer.WriteLine("FullQuantity: {0}", FullQuantity);
 
                writer.WriteLine("TotalReagents: {0}", totalReagents);
 
                writer.WriteLine("RecipeCount: {0}", recipeCount);
 
                writer.WriteLine("SearchType: {0}", Mode.ToString());
 
                foreach (KeyValuePair<string, PaintRecipe> pair in recipes)
 
                {
 
                    PaintRecipe recipe = pair.Value;
 
                    string colorName = Palette.FindNearest(recipe.ReactedColor);
 
                    writer.WriteLine("BeginRecipe: {0}", colorName);
 
                    foreach (PaintRecipe.RecipeIngredient ingredient in recipe.Ingredients)
 
                    {
 
                        writer.WriteLine("Ingredient: {0}={1}", ingredient.name, ingredient.quantity);
 
                    }
 
                    writer.WriteLine("EndRecipe: {0}", colorName);
 
                }
 
                writer.WriteLine("SearchNodes: {0}", searchQueue.Count);
 
                foreach (RecipeSearchNode node in searchQueue)
 
                {
 
                    node.SaveState(writer);
 
               }
 
            }
 
            return true;
 
        }
 

	
 
        static Regex keyValueRegex = new Regex(@"(?<key>\w+)\:\s*(?<value>.+)\s*");
 
        static Regex ingredientRegex = new Regex(@"(?<ingredient>(\w+\s)*\w+)\s*=\s*(?<quantity>\d)\s*");
 
        public bool LoadState(string file)
 
        {
 
            // cannot be running, and reactions must be set
 
            if (running)
 
            {
 
                return false;
 
            }
 

	
 
            InitSortedReagents();
 
            bool success = true;
 

	
 
            PaintRecipe currentRecipe = null;
 
            Match match;
 
            string line;
 
            using (StreamReader reader = new StreamReader(file, false))
 
            {
 
                while (success && ((line = reader.ReadLine()) != null))
 
                {
 
                    match = keyValueRegex.Match(line);
 
                    if (match.Success)
 
                    {
 
                        string value = match.Groups["value"].Value;
 
                        switch(match.Groups["key"].Value)
 
                        {
 
                            case "MinReagents":
 
                                MinReagents = uint.Parse(value);
 
                                MaxReagents = (uint)Math.Max(this.MinReagents, this.MaxReagents);
 
                                break;
 
                            case "MaxReagents":
 
                                MaxReagents = uint.Parse(value);
 
                                MinReagents = (uint)Math.Min(this.MinReagents, this.MaxReagents);
 
                                break;
 
                            case "FullQuantityDepth":
 
                                FullQuantityDepth = uint.Parse(value);
 
                                break;
 
                            case "FullQuantity":
 
                                FullQuantity = uint.Parse(value);
 
                                break;
 
                            case "TotalReagents":
 
                                totalReagents = uint.Parse(value);
 
                                break;
 
                            case "RecipeCount":
 
                                if (!ulong.TryParse(value, out recipeCount))
 
                                {
 
                                    // must have rolled to negative - try as an int and convert
 
                                    int recipeCountInt = int.Parse(value);
 
                                    recipeCount = (ulong)((long)recipeCountInt & 0x00000000ffffffffL);
 
                                }
 
                                break;
 
                            case "BeginRecipe":
 
                                currentRecipe = new PaintRecipe();
 
                                currentRecipe.Reactions = reactions;
 
                                break;
 
                            case "EndRecipe":
 
                                if (currentRecipe != null)
 
                                {
 
                                    PaintColor color = currentRecipe.ReactedColor;
 
                                    uint cost = currentRecipe.Cost;
 
                                    recipes[color.Name] = currentRecipe; // replace
 
                                    recipeCosts[color.Name] = cost;
 
                                    currentRecipe = null;
 
                                }
 
                                break;
 
                            case "Ingredient":
 
                                if (currentRecipe != null)
 
                                {
 
                                    Match ingredientMatch = ingredientRegex.Match(match.Groups["value"].Value);
 
                                    if (ingredientMatch.Success)
 
                                    {
 
                                        uint quantity = uint.Parse(ingredientMatch.Groups["quantity"].Value);
 
                                        currentRecipe.AddReagent(ingredientMatch.Groups["ingredient"].Value, quantity);
 
                                    }
 
                                    else
 
                                    {
 
                                        success = false;
 
                                    }
 
                                }
 
                                break;
 
                            case "SearchNodes":
 
                                int nodeCount = int.Parse(match.Groups["value"].Value);
 
                                for (int i = 0; i < nodeCount; ++i)
 
                                {
 
                                    RecipeSearchNode node = new RecipeSearchNode(costSortedReagents);
 
                                    node.FullQuantity = FullQuantity;
 
                                    node.FullQuantityDepth = FullQuantityDepth;
 
                                    node.MinReagents = MinReagents;
 
                                    node.MaxReagents = MaxReagents;
 
                                    node.MaxQuantity = MaxQuantity;
 
                                    success = success && node.LoadState(reader);
 
                                    if (success)
 
                                    {
 
                                        searchQueue.Enqueue(node);
 
                                    }
 
                                }
 
                                break;
 
                            case "SearchType":
 
                                Mode = (SearchType)Enum.Parse(typeof(SearchType), match.Groups["value"].Value);
 
                                break;
 
                            default:
 
                                success = false;
 
                                break;
 
                        }
 
                    }
 
                    else
 
                    {
 
                        success = false;
 
                        break;
 
                    }
 
                }
 
                return success;
 
            }
 
        }
 

	
 
        private void Generate()
 
        {
 
            RecipeSearchNode node;
 

	
 
            lock(workerLock)
 
            {
 
                ++runningThreads;
 
            }
 

	
 
            bool ok = true;
 
            do
 
            {
 
                lock (workerLock)
 
                {
 
                    ok = searchQueue.TryDequeue(out node);
 
                }
 
                if (ok)
 
                {
 
                    if (Mode == SearchType.DEPTH_FIRST)
 
                    {
 
                        uint targetQuantity = (node.ReagentCount <= FullQuantityDepth) ? ((uint)node.ReagentCount * FullQuantity) : node.MaxQuantity + 1;
 
                        do {
 
                            --targetQuantity;
 
                            node.InitForQuantity(targetQuantity);
 
                        } while (targetQuantity > 10 && (node.CurrentTargetQuantity != node.UsedQuantity));
 
    
 
                        while ((ok = IterateDepthFirst(node)) && !requestCancel)
 
                        {
 
                            if (Progress != null)
 
                            {
 
                                Progress(this, null);
 
                            }
 
                        }
 
                    }
 
                    else
 
                    {
 
                        // breadth-first search
 
                        uint targetQuantity = 9;
 
                        uint quantityLimit = (node.ReagentCount <= FullQuantityDepth) ? (FullQuantity * (uint)node.ReagentCount) : node.MaxQuantity;
 
                        do {
 
                            ++targetQuantity;
 
                            node.InitForQuantity(targetQuantity);
 
                        } while ((targetQuantity <= quantityLimit) && (node.CurrentTargetQuantity != node.UsedQuantity));
 
    
 
                        while ((ok = IterateBreadthFirst(node)) && !requestCancel)
 
                        {
 
                            if (Progress != null)
 
                            {
 
                                Progress(this, null);
 
                            }
 
                        }
 
                    }
 
                    if (ok)
 
                    {
 
                        // stopped because cancel was requested - requeue the node in its current state for resume
 
                        searchQueue.Enqueue(node);
 
                    }
 
                }
 
            } while (!requestCancel && ok);
 

	
 
            bool done = false;
 
            lock(workerLock)
 
            {
 
                --runningThreads;
 
                //generatorThreads.Remove(Thread.CurrentThread);
 

	
 
                done = (runningThreads == 0);
 
            }
 
            if (done)
 
            {
 
                running = false;
 
                requestCancel = false;
 
                if (Finished != null)
 
                {
 
                    Finished(this, null);
 
                }
 
            }
 
        }
 

	
 
        // Add the cheapest recipe to the recipe list
 
        // returns the discarded recipe from the pair (or null if no original recipe to replace)
 
        private void AddCheapestRecipe(PaintRecipe recipe)
 
        {
 
            if (recipe.IsValid)
 
            {
 
                recipe.Reactions = reactions;
 

	
 
                string colorName = Palette.FindNearest(recipe.ReactedColor);
 
                //System.Console.WriteLine("Recipe: {0} {1}:", colorName, recipe.Cost);
 
                //foreach (PaintRecipe.RecipeIngredient ingr in recipe.Ingredients)
 
                //{
 
                //    System.Console.WriteLine("    -> {0} {1}", ingr.quantity, ingr.name);
 
                //}
 
                uint cost;
 
                lock (workerLock)
 
                {
 
                    if (recipeCosts.TryGetValue(colorName, out cost))
 
                    {
 
                        if (cost > recipe.Cost)
 
                        {
 
                            recipes[colorName].CopyFrom(recipe);
 
                            recipeCosts[colorName] = recipe.Cost;
 
                            if (NewRecipe != null)
 
                            {
 
                                NewRecipeEventArgs args = new NewRecipeEventArgs(colorName, recipe);
 
                                NewRecipe(this, args);
 
                            }
 
                        }
 
                    }
 
                    else
 
                    {
 
                        // This would be an error!
 
                        recipeCosts.Add(colorName, recipe.Cost);
 
                        recipes.Add(colorName, new PaintRecipe(recipe));
 
                        if (NewRecipe != null)
 
                        {
 
                            NewRecipeEventArgs args = new NewRecipeEventArgs(colorName, recipe);
 
                            NewRecipe(this, args);
 
                        }
 
                    }
 
                }
 
            }
 
            //else
 
            //{
 
            //    string msg = String.Format("Recipe is invalid ({0} ingredients)\n", recipe.Ingredients.Count);
 
            //    foreach (PaintRecipe.RecipeIngredient ingr in recipe.Ingredients)
 
            //    {
 
            //        msg += String.Format("    -> {0} {1}", ingr.quantity, ingr.name);
 
            //    }
 
            //    lock (workerLock) {
 
            //        Console.WriteLine(msg);
 
            //    }
 
            //}
 
        }
 

	
 
        private bool IterateDepthFirst(RecipeSearchNode node)
 
        {
 
            TestCurrentRecipe(node);
 

	
 
            // pick recipe quantities at current recipe ingredients/size
 
            if (NextRecipe(node))
 
            {
 
                lock(workerLock)
 
                {
 
                    ++recipeCount;
 
                }
 
                //System.Console.WriteLine("Found next recipe at size {0} qty {1}", node.Reagents.Count, node.CurrentTargetQuantity);
 
                return true;
 
            }
 

	
 
            if (NextRecipeSize(node))
 
            {
 
                //System.Console.WriteLine("Found next recipe size {0}", node.CurrentTargetQuantity);
 
                return true;
 
            }
 

	
 
            // Search for next ingredient combo - all quantity combos for previous were searched
 
            //System.Console.WriteLine("Finding next ingredient combo");
 
            do
 
            {
 
                if (!node.AddNextReagent())
 
                {
 
                    while ((node.ReagentCount > node.MinReagents) && (node.LastReagent == (totalReagents-1)))
 
                    {
 
                        node.RemoveLastReagent();
 
                    }
 
                    if (node.ReagentCount == node.MinReagents)
 
                    {
 
                        // done
 
                        return false;
 
                    }
 
                    uint nextReagent = node.NextFreeReagent(node.LastReagent);
 
                    while ((node.ReagentCount > node.MinReagents) && (nextReagent >= totalReagents))
 
                    {
 
                        // No more reagents to try at this level
 
                        node.RemoveLastReagent();
 
                        if (node.ReagentCount > node.MinReagents)
 
                        {
 
                            nextReagent = node.NextFreeReagent(node.LastReagent);
 
                        }
 
                    }
 
                    if (node.ReagentCount == node.MinReagents)
 
                    {
 
                        // done
 
                        return false;
 
                    }
 
                    node.ReplaceLastReagent(nextReagent);
 
                }
 
            } while (node.MaxQuantity < (10 + node.CatalystCount));
 
            node.InitForQuantity(node.MaxQuantity);
 

	
 
            //string outStr = "{0} : {1} : ";
 
            //for (int i = 0; i < currentReagents.Count; ++i)
 
            //{
 
            //    Reagent reagent = costSortedReagents[(int)currentReagents[i]];
 
            //    if (i > 0)
 
            //    {
 
            //        outStr += ", ";
 
            //    }
 
            //    outStr += reagent.Name + " (" + reagent.Cost + ")";
 
            //}
 
            //Console.WriteLine(outStr, currentReagents.Count, recipeCount);
 
            return true;
 
        }
 

	
 
        private bool IterateBreadthFirst(RecipeSearchNode node)
 
        {
 
            // pick recipe quantities at current recipe ingredients/size
 
            TestCurrentRecipe(node);
 
            lock(workerLock)
 
            {
 
                ++recipeCount;
 
            }
 

	
 
            // search all quantities of current recipe
 
            if (NextRecipe(node))
 
            {
 
                //System.Console.WriteLine("Found next recipe at size {0} qty {1}", node.ReagentCount, node.CurrentTargetQuantity);
 
                return true;
 
            }
 

	
 
            // Try next quantity
 
            uint newQuantity;
 
            uint quantityLimit = ((uint)node.ReagentCount <= FullQuantityDepth) ? ((uint)node.ReagentCount * FullQuantity) : node.MaxQuantity;
RecipeGeneratorWindow.cs
Show inline comments
 
/*
 
 * Copyright (c) 2015, Jason Maltzen
 

	
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 
 of this software and associated documentation files (the "Software"), to deal
 
 in the Software without restriction, including without limitation the rights
 
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
 copies of the Software, and to permit persons to whom the Software is
 
 furnished to do so, subject to the following conditions:
 

	
 
 The above copyright notice and this permission notice shall be included in
 
 all copies or substantial portions of the Software.
 

	
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
 THE SOFTWARE.
 
*/
 

	
 
using System;
 
using System.IO;
 
using System.Collections.Generic;
 
using System.Collections.Concurrent;
 

	
 
namespace DesertPaintLab
 
{
 
    public partial class RecipeGeneratorWindow : Gtk.Window
 
    {
 
        RecipeGenerator generator;
 
        PlayerProfile profile;
 
        bool canceling = false;
 
        bool running = false;
 
        bool pauseForCheckpoint = false;
 

	
 
        const long RECIPE_SAVE_INTERVAL = 30000; // msec between saving recipes
 
        const long CHECKPOINT_INTERVAL = 17000; // msec between saving out generator state
 
        const string STATE_FILE = "dp_generator_state";
 

	
 
        static Gtk.ListStore colorStore = new Gtk.ListStore(typeof(string));
 

	
 
        List<KeyValuePair<string, string>> missingReactions = new List<KeyValuePair<string, string>>();
 

	
 
        long lastProgressUpdate;
 
        long lastStatusUpdate;
 
        long lastProfileSave;
 
        long lastCheckpoint;
 

	
 
        static public Gtk.ListStore RecipeModel
 
        {
 
            get
 
            {
 
                return colorStore;   
 
            }
 
        }
 

	
 
        Gtk.ThreadNotify notifyFinished;
 
        Gtk.ThreadNotify notifyProgress;
 
        Gtk.ThreadNotify notifyNewRecipe;
 

	
 
        ConcurrentQueue<PaintRecipe> pendingNewRecipes = new ConcurrentQueue<PaintRecipe>();
 

	
 
        Gtk.ListStore reagentListStore;
 
        // end reagent view
 

	
 
        public RecipeGeneratorWindow(PlayerProfile profile) : base(Gtk.WindowType.Toplevel)
 
        {
 
            this.profile = profile;
 
            this.Build();
 
            minIngredientsSpinButton.Value = 1; // TODO: read/save profile info
 
            maxIngredientsSpinButton.Value = 5; // TODO: read/save profile info
 
            maxRecipeSpinButton.Value = 20; // TODO: read/save profile info
 
            fullQuantitySpinButton.Value = 20; // TODO: read/save profile info
 
            fullQuantityDepthSpinButton.Value = 4; // TODO: read/save profile info
 

	
 
            fullQuantityDepthSpinButton.SetRange(0, ReagentManager.Names.Count);
 
            maxIngredientsSpinButton.SetRange(1, ReagentManager.Names.Count);
 
            minIngredientsSpinButton.SetRange(1, ReagentManager.Names.Count);
 

	
 

	
 
            Gtk.TreeViewColumn recipeColorColumn = new Gtk.TreeViewColumn();
 
            Gtk.CellRendererText recipeColumnCell = new Gtk.CellRendererText();
 
            recipeColorColumn.PackStart(recipeColumnCell, true);       
 
            recipeColorColumn.Title = "Color";
 

	
 
            recipeList.AppendColumn(recipeColorColumn);
 
            recipeColorColumn.AddAttribute(recipeColumnCell, "text", 0);
 

	
 
            colorStore.Clear();
 

	
 
            colorStore.SetSortColumnId(0, Gtk.SortType.Ascending);
 
            recipeList.Model = RecipeModel;
 

	
 
            recipeList.Selection.Changed += OnColorSelected;
 

	
 
            recipeIngredientsView.AppendColumn("Quantity", new Gtk.CellRendererText(), "text", 0);
 
            recipeIngredientsView.AppendColumn("Ingredient", new Gtk.CellRendererText(), "text", 1);
 
            recipeIngredientsView.Model = new Gtk.ListStore(typeof(string), typeof(string));
 

	
 
            profile.LoadRecipes();
 

	
 
            // init UI
 
            foreach (KeyValuePair<string, PaintRecipe> pair in profile.Recipes)
 
            {
 
                if (pair.Value.IsValid)
 
                {
 
                    string colorName = pair.Key;
 
                    colorStore.AppendValues(colorName);
 
                }
 
            }
 

	
 
            canceling = false;
 
            running = false;
 
            pauseForCheckpoint = false;
 

	
 
            generator = new RecipeGenerator(profile.Reactions);
 
            int threads;
 
            DesertPaintLab.Settings.Get("GeneratorThreads", out threads);
 
            if (threads <= 0) { threads = 15; }
 
            generator.MaxThreads = (uint)threads;
 
            generator.InitRecipes(profile.Recipes);
 

	
 
            generator.Progress += OnProgress;
 
            generator.Finished += OnFinished;
 
            generator.NewRecipe += OnNewRecipe;
 

	
 
            string stateFile = System.IO.Path.Combine(profile.Directory, STATE_FILE);
 
            if (System.IO.File.Exists(stateFile))
 
            {
 
                generator.LoadState(stateFile);
 
                if (generator.CanResume)
 
                {
 
                    beginButton.Label = "Restart";
 
                    stopResumeButton.Label = "Resume";
 
                    stopResumeButton.Sensitive = true;
 

	
 
                    maxRecipeSpinButton.Value = Math.Max(generator.MaxQuantity, 14); //
 
                    fullQuantitySpinButton.Value = generator.FullQuantity; // TODO: read/save profile info
 
                    fullQuantityDepthSpinButton.Value = generator.FullQuantityDepth; // TODO: read/save profile info
 
                    maxIngredientsSpinButton.Value = generator.MaxReagents;
 
                }
 
            }
 
            //generator.Log = System.IO.Path.Combine(profile.Directory, "dp_log.txt");
 
            countLabel.Text = String.Format("{0} / {1}", profile.RecipeCount, Palette.Count);
 

	
 
            Destroyed += OnDestroyed;
 

	
 
            notifyFinished = new Gtk.ThreadNotify(new Gtk.ReadyEvent(HandleFinished));
 
            notifyProgress = new Gtk.ThreadNotify(new Gtk.ReadyEvent(HandleProgress));
 
            notifyNewRecipe = new Gtk.ThreadNotify(new Gtk.ReadyEvent(HandleNewRecipe));
 

	
 
            // initialize reagent list
 
 
 
            // Add the columns to the TreeView
 
            Gtk.TreeViewColumn reagentEnabledColumn = new Gtk.TreeViewColumn ();
 
            reagentEnabledColumn.Title = "Enabled";
 
            Gtk.CellRendererToggle reagentEnabledCell = new Gtk.CellRendererToggle ();
 
            reagentEnabledCell.Activatable = true;
 
            reagentEnabledCell.Sensitive = true;
 
            reagentEnabledCell.Mode = Gtk.CellRendererMode.Activatable;
 
            reagentEnabledCell.Visible = true;
 
            reagentEnabledCell.Toggled += new Gtk.ToggledHandler(OnReagentEnableToggled);
 
            reagentEnabledColumn.PackStart (reagentEnabledCell, true);
 
            //reagentEnabledColumn.AddAttribute(reagentEnabledCell, "active", 0);
 

	
 
            Gtk.TreeViewColumn reagentNameColumn = new Gtk.TreeViewColumn ();
 
            reagentNameColumn.Title = "Ingredient";
 
            Gtk.CellRendererText reagentNameCell = new Gtk.CellRendererText ();
 
            reagentNameCell.Mode = Gtk.CellRendererMode.Inert;
 
            reagentNameColumn.PackStart (reagentNameCell, true);
 
            reagentNameColumn.AddAttribute(reagentNameCell, "text", 1);
 
            reagentNameColumn.Expand = true;
 

	
 
            Gtk.TreeViewColumn reagentCostColumn = new Gtk.TreeViewColumn ();
 
            reagentCostColumn.Title = "Cost";
 
            Gtk.CellRendererText reagentCostCell = new Gtk.CellRendererText ();
 
            reagentCostCell.Edited += OnReagentCostChanged;
 
            reagentCostCell.Editable = true;
 
            reagentCostCell.Sensitive = true;
 
            reagentCostCell.Mode = Gtk.CellRendererMode.Editable;
 
            reagentCostColumn.PackStart (reagentCostCell, true);
 
            //reagentCostColumn.AddAttribute(reagentCostCell, "text", 0);
 

	
 
            Gtk.TreeViewColumn reagentMaxColumn = new Gtk.TreeViewColumn ();
 
            reagentMaxColumn.Title = "Max";
 
            Gtk.CellRendererText reagentMaxCell = new Gtk.CellRendererText ();
 
            reagentMaxCell.Edited += OnReagentQuantityChanged;
 
            reagentMaxCell.Editable = true;
 
            reagentMaxCell.Sensitive = true;
 
            reagentCostCell.Mode = Gtk.CellRendererMode.Editable;
 
            reagentMaxColumn.PackStart (reagentMaxCell, true);
 
            //reagentMaxColumn.AddAttribute(reagentMaxCell, "text", 0);
 

	
 
            reagentListStore = new Gtk.ListStore(typeof(Reagent), typeof(string), typeof(Reagent), typeof(Reagent));
 
            foreach (string reagentName in ReagentManager.Names)
 
            {
 
                Reagent reagent = ReagentManager.GetReagent(reagentName);
 
                reagentListStore.AppendValues(reagent, reagentName); // , reagent, reagent);
 
            }
 

	
 
            reagentEnabledColumn.SetCellDataFunc (reagentEnabledCell, new Gtk.TreeCellDataFunc (RenderReagentToggle));
 
            reagentCostColumn.SetCellDataFunc (reagentCostCell, new Gtk.TreeCellDataFunc (RenderReagentCost));
 
            reagentMaxColumn.SetCellDataFunc (reagentMaxCell, new Gtk.TreeCellDataFunc (RenderReagentQuantity));
 

	
 
            // Assign the model to the TreeView
 
            reagentListView.Model = reagentListStore;
 
            reagentListView.Sensitive = true;
 

	
 
            reagentListView.AppendColumn(reagentEnabledColumn);
 
            reagentListView.AppendColumn(reagentNameColumn);
 
            reagentListView.AppendColumn(reagentCostColumn);
 
            reagentListView.AppendColumn(reagentMaxColumn);
 

	
 
            reagentListView.
 
            
 
            ShowAll();
 
        }
 

	
 
        protected void OnMinIngredientsChanged(object sender, EventArgs e)
 
        {
 
            Gtk.SpinButton button = (Gtk.SpinButton) sender;
 
            if (button.ValueAsInt > maxIngredientsSpinButton.ValueAsInt)
 
            {
 
                maxIngredientsSpinButton.Value = button.ValueAsInt;
 
            }
 
            maxIngredientsSpinButton.SetRange(button.ValueAsInt, maxIngredientsSpinButton.Adjustment.Upper);
 
        }
 

	
 
        protected void OnMaxIngredientsChanged(object sender, EventArgs e)
 
        {
 
            Gtk.SpinButton button = (Gtk.SpinButton) sender;
 
            if (button.ValueAsInt < minIngredientsSpinButton.ValueAsInt)
 
            {
 
                minIngredientsSpinButton.Value = button.ValueAsInt;
 
            }
 
            minIngredientsSpinButton.SetRange(1, button.ValueAsInt);
 
            // TODO: save profile setting
 
            // TODO: no longer permit resume
 
        }
 

	
 
        protected void OnMaxRecipeChanged(object sender, EventArgs e)
 
        {
 
            // TODO: save profile setting
 
            // TODO: no longer permit resume
 
        }
 

	
 
        protected void OnFullQuantityDepthChanged(object sender, EventArgs e)
 
        {
 
            // TODO: save profile setting
 
            // TODO: no longer permit resume
 
        }
 

	
 
        protected void OnFullQuantityChanged(object sender, EventArgs e)
 
        {
 
            // TODO: save profile setting
 
            // TODO: no longer permit resume
 
        }
 

	
 
        protected void OnBegin(object sender, EventArgs e)
 
        {
 
            minIngredientsSpinButton.Sensitive = false;
 
            maxIngredientsSpinButton.Sensitive = false;
 
            ExportToWikiAction.Sensitive = false;
 
            IngredientsAction.Sensitive = false;
 
            maxRecipeSpinButton.Sensitive = false;
 
            beginButton.Sensitive = false; // TODO: change to "pause"?
 
            stopResumeButton.Sensitive = true;
 
            fullQuantitySpinButton.Sensitive = false;
 
            fullQuantityDepthSpinButton.Sensitive = false;
 
            reagentListView.Sensitive = false;
 

	
 
            countLabel.Text = String.Format("{0} / {1}", profile.RecipeCount, Palette.Count);
 

	
 
            // TODO: hook up event notifications
 
            // - progress
 
            // - complete
 
            // - new recipe / recipe update
 

	
 
            // Total recipe search count
 
            //int current = ReagentManager.Names.Count;
 
            //long recipePermutations = 1;
 
            //for (int i = 0; i < maxIngredientsSpinButton.ValueAsInt; ++i)
 
            //{
 
            //    recipePermutations *= current;
 
            //    --current;
 
            //}
 
            //System.Console.WriteLine("Will search {0} reagent permutations.", recipePermutations);
 

	
 
            lastProgressUpdate = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
 
            lastStatusUpdate = lastProgressUpdate;
 

	
 
            lastProfileSave = lastProgressUpdate;
 
            lastCheckpoint = lastProgressUpdate;
 

	
 
            running = true;
 
            canceling = false;
 
            pauseForCheckpoint = false;
 
            stopResumeButton.Label = "Pause";
 

	
 
            generator.BeginRecipeGeneration((uint)maxRecipeSpinButton.ValueAsInt, (uint)minIngredientsSpinButton.Value, (uint)maxIngredientsSpinButton.ValueAsInt, (uint)fullQuantityDepthSpinButton.ValueAsInt, (uint)fullQuantitySpinButton.ValueAsInt);
 
        }
 

	
 
        protected void OnStopResume(object sender, EventArgs e)
 
        {
 
            if (generator != null)
 
            {
 
                if (running)
 
                {
 
                    canceling = true;
 
                    pauseForCheckpoint = false;
 
                    generator.Stop();
 
                }
 
                else
 
                {
 
                    // Resume previous run
 
                    ExportToWikiAction.Sensitive = false;
 
                    IngredientsAction.Sensitive = false;
 
                    reagentListView.Sensitive = false;
 
                    minIngredientsSpinButton.Sensitive = false;
 
                    maxIngredientsSpinButton.Sensitive = false;
 
                    maxRecipeSpinButton.Sensitive = false;
 
                    beginButton.Sensitive = false;
 
                    stopResumeButton.Sensitive = true;
 
                    fullQuantitySpinButton.Sensitive = false;
 
                    fullQuantityDepthSpinButton.Sensitive = false;
 
                    reagentListView.Sensitive = false;
 

	
 
                    lastProgressUpdate = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
 
                    lastStatusUpdate = lastProgressUpdate;
 
                    lastProfileSave = lastProgressUpdate;
 
                    lastCheckpoint = lastProgressUpdate;
 

	
 
                    canceling = false;
 
                    pauseForCheckpoint = false;
 
                    running = true;
 
        
 
                    stopResumeButton.Label = "Pause";
 
                    generator.ResumeRecipeGeneration();
 
                }
 
            }
 
        }
 

	
 
        private void HandleFinished()
 
        {
 
            generator.Wait();
 
            if (pauseForCheckpoint)
 
            {
 
                pauseForCheckpoint = false;
 
                generator.SaveState(System.IO.Path.Combine(profile.Directory, STATE_FILE));
 
                generator.ResumeRecipeGeneration();
 
            }
 
            else
 
            {
 
                running = false;
 
                beginButton.Sensitive = true;
 
                ExportToWikiAction.Sensitive = true;
 
                IngredientsAction.Sensitive = true;
 
                stopResumeButton.Sensitive = false;
 
                minIngredientsSpinButton.Sensitive = true;
 
                maxIngredientsSpinButton.Sensitive = true;
 
                maxRecipeSpinButton.Sensitive = true;
 
                fullQuantitySpinButton.Sensitive = true;
 
                fullQuantityDepthSpinButton.Sensitive = true;
 
                reagentListView.Sensitive = true;
 
                //generator = null; // don't. Hang on to generator for resume.
 
                profile.SaveRecipes();
 
                if (canceling)
 
                {
 
                    generator.SaveState(System.IO.Path.Combine(profile.Directory, STATE_FILE));
 
                    stopResumeButton.Label = "Resume";
 
                    stopResumeButton.Sensitive = true;
 
                    beginButton.Label = "Restart";
 
                }
 
                else
 
                {
 
                    System.IO.File.Delete(System.IO.Path.Combine(profile.Directory, STATE_FILE));
 
                }
 
            }
 
        }
 

	
 
        protected void OnFinished(object sender, EventArgs args)
 
        {
 
            notifyFinished.WakeupMain();
 
            //Gtk.Application.Invoke(delegate {
 
            //    HandleFinished();
 
            //});
 
        }
 

	
 
        private void HandleNewRecipe()
 
        {
 
            progressBar.Pulse();
 
            
 
            PaintRecipe recipe = null;
 
            if (pendingNewRecipes.TryDequeue(out recipe))
 
            {
 
                string recipeColor = Palette.FindNearest(recipe.ReactedColor);
 
                // TODO: Add item to recipe list only if not already listed
 
                bool exists = false;
 
                Gtk.TreeIter iter;
 
                if (colorStore.GetIterFirst(out iter))
 
                {
 
                    do
 
                    {
 
                        string color = (string)colorStore.GetValue(iter, 0);
 
                        if (color.Equals(recipeColor))
 
                        {
 
                            exists = true;
 
                            break;
 
                        }
 
                    } while (colorStore.IterNext(ref iter));
 
                }
 
                if (!exists)
 
                {
 
                    //Console.WriteLine("Add new recipe for {0}", args.Color);
 
                    //    bool isMissingReactions = args.Recipe.CheckMissingReactions(ref missingReactions);
 
                    //    string missingReactionLabel = isMissingReactions ? "X" : "";
 
                    colorStore.AppendValues(recipeColor); // , missingReactionLabel);
 
                    countLabel.Text = String.Format("{0} / {1}", profile.RecipeCount+1, Palette.Count);
 
                }
 
                profile.SetRecipe(recipe);
 
    
 
                long progressTime = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
 
                long delta = progressTime - lastProfileSave;
 
                if (delta >= RECIPE_SAVE_INTERVAL)
 
                {
 
                    profile.SaveRecipes();
 
                    lastProfileSave = progressTime;
 
                }
 
            }
 
        }
 

	
 
        protected void OnNewRecipe(object sender, NewRecipeEventArgs args)
 
        {
 
            PaintRecipe recipe = new PaintRecipe(args.Recipe); // copy it, so the worker thread can release
 
            lock(this) {
 
                pendingNewRecipes.Enqueue(recipe);
 
            }
 
            notifyNewRecipe.WakeupMain();
 
            //Gtk.Application.Invoke(delegate {
 
            //    HandleNewRecipe();
 
            //});
 
        }
 

	
 
        private void HandleProgress()
 
        {
 
            long progressTime = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
 
            long delta = progressTime - lastProgressUpdate;
 
            if (delta > 30)
 
            {
 
                lastProgressUpdate = progressTime;
 
                progressBar.Pulse();
 
            }
 
            delta = progressTime - lastStatusUpdate;
 
            if (delta > 500)
 
            {
 
                lastStatusUpdate = progressTime;
 
                statusLabel.Text = String.Format("Recipes searched: {0:N00}", generator.RecipeCount);
 
            }
 
            delta = progressTime - lastCheckpoint;
 
            if (delta > CHECKPOINT_INTERVAL)
 
            {
 
                lastCheckpoint = progressTime;
 
                pauseForCheckpoint = true;
 
                generator.Stop();
 
            }
 
        }
 

	
 
        protected void OnProgress(object sender, EventArgs args)
 
        {
 
            notifyProgress.WakeupMain();
 
        }
 

	
 
        protected void OnColorSelected(object o, EventArgs args)
 
        {
 
            Gtk.TreeModel model;
 
            Gtk.TreeIter iter;
 
            Gtk.TreeSelection selection = recipeList.Selection;
 
            if ((selection != null) && selection.GetSelected(out model, out iter))
 
            {
 
                string colorName = (string)colorStore.GetValue(iter, 0);
 
                PaintRecipe recipe;
 
                if (profile.Recipes.TryGetValue(colorName, out recipe))
 
                {
 
                    Gtk.ListStore store = (Gtk.ListStore)recipeIngredientsView.Model;
 
                    store.Clear();
 
                    if (recipe.CheckMissingReactions(ref missingReactions))
 
                    {
 
                        statusLabel.Text = "WARNING: This recipe includes reactions that have not yet been recorded.";
 
                    }
 
                    foreach (PaintRecipe.RecipeIngredient ingredient in recipe.Ingredients)
 
                    {
 
                        store.AppendValues(ingredient.quantity.ToString(), ingredient.name);
 
                    }
 
                }
 
                paintSwatch.Color = recipe.ReactedColor;
 
            }
 
        }
 

	
 
        protected void OnExportToWiki(object sender, EventArgs e)
 
        {
 
            Gtk.FileChooserDialog fileDialog =
 
                new Gtk.FileChooserDialog("Select destination file.",
 
                        this, Gtk.FileChooserAction.Save,
 
                        Gtk.Stock.Cancel, Gtk.ResponseType.Cancel,
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