Apple-2gs-SW/iigs-sprite-compiler
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Change the success function to allow the order of the succesors to be controlled

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This commit is contained in:
Lucas Scharenbroich 2016-11-30 16:13:43 -06:00
parent b7a3af9437
commit 5fc5a254ab
5 changed files with 10 additions and 8 deletions
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2
SpriteCompiler/AI/ISearchProblem.cs
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@ -6,7 +6,7 @@
public interface ISearchProblem<A, S, C>
where C : IComparable<C>
{
IDictionary<A, S> Successors(S state);
IEnumerable<Tuple<A, S>> Successors(S state);
bool IsGoal(S state);
C StepCost(S fromState, A action, S toState);
C Heuristic(S state);

3
SpriteCompiler/AI/ISuccessorFunction.cs
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@ -1,9 +1,10 @@
namespace SpriteCompiler.AI
{
using System;
using System.Collections.Generic;
public interface ISuccessorFunction<A, S>
{
IDictionary<A, S> Successors(S state);
IEnumerable<Tuple<A, S>> Successors(S state);
}
}

4
SpriteCompiler/AI/InformedNodeExpander.cs
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@ -13,8 +13,8 @@ namespace SpriteCompiler.AI
{
foreach (var successor in problem.Successors(node.State))
{
var action = successor.Key;
var state = successor.Value;
var action = successor.Item1;
var state = successor.Item2;
var next = CreateNode(node, state);
next.Action = action;

2
SpriteCompiler/AI/SearchProblem.cs
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@ -22,7 +22,7 @@ namespace SpriteCompiler.AI
this.heuristicFn = heuristicFn;
}
public IDictionary<A, S> Successors(S state)
public IEnumerable<Tuple<A, S>> Successors(S state)
{
return successorFn.Successors(state);
}

7
SpriteCompiler/Problem/SpriteGeneratorSuccessorFunction.cs
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@ -7,7 +7,7 @@
public sealed class SpriteGeneratorSuccessorFunction : ISuccessorFunction<CodeSequence, SpriteGeneratorState>
{
public IDictionary<CodeSequence, SpriteGeneratorState> Successors(SpriteGeneratorState state)
public IEnumerable<Tuple<CodeSequence, SpriteGeneratorState>> Successors(SpriteGeneratorState state)
{
// This is the work-horse of the compiler. For a given state we need to enumerate all of the
// potential next operations.
@ -26,7 +26,8 @@
// 3. Single-byte at the end of a solid run
// a. If no registers are 8-bit, LDA #Imm/STA 0,s (8 cycles, sets Acc)
// b. If any reg is already 8-bit, LDA #imm/PHA (6 cycles)
//
// We al
var actions = new List<CodeSequence>();
var bytes = state.Bytes.ToDictionary(x => x.Offset, x => x);
@ -117,7 +118,7 @@
}
// Run through the actions to create a dictionary
return actions.ToDictionary(x => x, x => x.Apply(state));
return actions.Select(x => Tuple.Create(x, x.Apply(state)));
}
private Func<SpriteByte, bool> WithinRangeOf(int addr, int range)