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improved readability

master
melvin 2011-06-29 11:20:01 +08:00
parent 664638d700
commit 63df0a55c1
1 changed files with 29 additions and 31 deletions
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60
src/magic/model/choice/MagicDeclareBlockersResultBuilder.java
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@ -16,7 +16,8 @@ import magic.model.score.MagicSingleScoreRanking;
public class MagicDeclareBlockersResultBuilder {
private static final Collection<Object> EMPTY_RESULT=Collections.<Object>singletonList(new MagicDeclareBlockersResult(0,0));
private static final Collection<Object> EMPTY_RESULT =
Collections.<Object>singletonList(new MagicDeclareBlockersResult(0,0));
private static final int MAX_RESULTS=12;
private static final int MAX_ATTACKERS=3;
private static final int MAX_TURN=1;
@ -33,7 +34,6 @@ public class MagicDeclareBlockersResultBuilder {
private int position;
public MagicDeclareBlockersResultBuilder(final MagicGame game,final MagicPlayer defendingPlayer,final boolean fast) {
this.game=game;
this.defendingPlayer=defendingPlayer;
this.attackingPlayer=game.getOpponent(defendingPlayer);
@ -56,7 +56,6 @@ public class MagicDeclareBlockersResultBuilder {
final MagicCombatCreature candidateBlockers[]=new MagicCombatCreature[attacker.candidateBlockers.length];
int blockersSize=0;
for (MagicCombatCreature blocker : attacker.candidateBlockers) {
if (blockers.contains(blocker)) {
candidateBlockers[blockersSize++]=blocker;
}
@ -66,13 +65,13 @@ public class MagicDeclareBlockersResultBuilder {
result.addLast(new MagicCombatCreature[]{attacker});
buildAttacker(index+1);
result.removeLast();
if (blockersSize==0) {
if (blockersSize == 0) {
return;
}
// One blocker.
if (blockersSize==1) {
final MagicCombatCreature blocker=candidateBlockers[0];
if (blockersSize == 1) {
final MagicCombatCreature blocker = candidateBlockers[0];
blockers.remove(blocker);
result.addLast(new MagicCombatCreature[]{attacker,blocker});
buildAttacker(index+1);
@ -82,11 +81,10 @@ public class MagicDeclareBlockersResultBuilder {
}
// Single blocker which does not deal lethal damage to the attacker.
int lethalDamage=attacker.lethalDamage;
for (int blockerIndex=0;blockerIndex<blockersSize;blockerIndex++) {
int lethalDamage = attacker.lethalDamage;
for (int blockerIndex = 0; blockerIndex < blockersSize; blockerIndex++) {
final MagicCombatCreature blocker=candidateBlockers[blockerIndex];
if (blocker.power<lethalDamage) {
if (blocker.power < lethalDamage) {
blockers.remove(blocker);
result.addLast(new MagicCombatCreature[]{attacker,blocker});
buildAttacker(index+1);
@ -96,55 +94,55 @@ public class MagicDeclareBlockersResultBuilder {
}
// All combinations of blockers that deal lethal damage to the attacker.
final MagicCombatCreature creatures[]=new MagicCombatCreature[blockersSize+1];
creatures[0]=attacker;
int size=1;
final int blockerSteps[]=new int[blockersSize];
final int lastBlockerIndex=blockersSize-1;
int blockerIndex=0;
final MagicCombatCreature creatures[] = new MagicCombatCreature[blockersSize+1];
creatures[0] = attacker;
int size = 1;
final int blockerSteps[] = new int[blockersSize];
final int lastBlockerIndex = blockersSize-1;
int blockerIndex = 0;
MagicCombatCreature blocker;
while (blockerIndex>=0) {
while (blockerIndex >= 0) {
switch (blockerSteps[blockerIndex]++) {
case 0:
blocker=candidateBlockers[blockerIndex];
blocker = candidateBlockers[blockerIndex];
blockers.remove(blocker);
lethalDamage-=blocker.power;
creatures[size++]=blocker;
lethalDamage -= blocker.power;
creatures[size++] = blocker;
// Lethal blocking combination.
if (lethalDamage<=0) {
if (lethalDamage <= 0) {
result.addLast(Arrays.copyOf(creatures,size));
buildAttacker(index+1);
result.removeLast();
} else if (blockerIndex<lastBlockerIndex) {
} else if (blockerIndex < lastBlockerIndex) {
blockerIndex++;
}
break;
case 1:
blocker=candidateBlockers[blockerIndex];
blocker = candidateBlockers[blockerIndex];
blockers.add(blocker);
lethalDamage+=blocker.power;
lethalDamage += blocker.power;
size--;
if (blockerIndex<lastBlockerIndex) {
if (blockerIndex < lastBlockerIndex) {
blockerIndex++;
}
break;
case 2:
blockerSteps[blockerIndex--]=0;
blockerSteps[blockerIndex--] = 0;
break;
}
}
}
private void build() {
final MagicCombatCreatureBuilder creatureBuilder=new MagicCombatCreatureBuilder(game,attackingPlayer,defendingPlayer);
// Check if none of the defending player's creatures can block.
// Check if none of the defending player's creatures can block.
if (!creatureBuilder.buildBlockers()) {
return;
}
blockers=creatureBuilder.getBlockers();
// Check if none of the attackers can be blocked.
blockers=creatureBuilder.getBlockers();
if (!creatureBuilder.buildBlockableAttackers()) {
return;
}
@ -177,7 +175,7 @@ public class MagicDeclareBlockersResultBuilder {
game.setImmediate(true);
attackingPlayer.setCached(game,true);
defendingPlayer.setCached(game,true);
results=null;
results = null;
build();
game.setImmediate(false);
attackingPlayer.setCached(game,false);