LingASDJ/Magic_Ling_Pixel_Dungeon
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v0.4.2: updated fog of war to respect concurrency

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This commit is contained in:
Evan Debenham 2016-08-26 18:32:45 -04:00 committed by Evan Debenham
parent 6bcccba062
commit 4aba5afade
2 changed files with 29 additions and 17 deletions
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40
core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/FogOfWar.java
View File

@ -45,7 +45,8 @@ public class FogOfWar extends Image {
private int width2;
private int height2;
public Rect updated;
private volatile Rect updated;
private Rect updating;
public FogOfWar( int mapWidth, int mapHeight ) {
@ -78,18 +79,31 @@ public class FogOfWar extends Image {
updated = new Rect(0, 0, pWidth, pHeight);
}
public void updateVisibility( boolean[] visible, boolean[] visited, boolean[] mapped ) {
if (updated.isEmpty())
return;
public synchronized void updateFog(){
updated.set( 0, 0, pWidth, pWidth );
}
public synchronized void updateFogArea(int x, int y, int w, int h){
updated.union(x, y);
updated.union(x + w, y + h);
}
public synchronized void moveToUpdating(){
updating = new Rect(updated);
updated.setEmpty();
}
private void updateTexture( boolean[] visible, boolean[] visited, boolean[] mapped ) {
moveToUpdating();
FogTexture fog = (FogTexture)texture;
for (int i=updated.top; i < updated.bottom; i++) {
int cell = (pWidth - 1) * i + updated.left;
fog.pixels.position((width2) * i + updated.left);
for (int j=updated.left; j < updated.right; j++) {
for (int i=updating.top; i < updating.bottom; i++) {
int cell = (pWidth - 1) * i + updating.left;
fog.pixels.position((width2) * i + updating.left);
for (int j=updating.left; j < updating.right; j++) {
if (cell < pWidth || cell >= Dungeon.level.length()) {
fog.pixels.put(INVISIBLE);
} else
@ -112,11 +126,10 @@ public class FogOfWar extends Image {
}
}
if (updated.width() == pWidth && updated.height() == pHeight)
if (updating.width() == pWidth && updating.height() == pHeight)
fog.update();
else
fog.update(updated.top, updated.bottom);
updated.setEmpty();
fog.update(updating.top, updating.bottom);
}
@ -193,7 +206,8 @@ public class FogOfWar extends Image {
public void draw() {
if (!updated.isEmpty()){
updateVisibility(Dungeon.visible, Dungeon.level.visited, Dungeon.level.mapped);
updateTexture(Dungeon.visible, Dungeon.level.visited, Dungeon.level.mapped);
updating.setEmpty();
}
super.draw();

6
core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java
View File

@ -229,7 +229,6 @@ public class GameScene extends PixelScene {
}
fog = new FogOfWar( Dungeon.level.width(), Dungeon.level.height() );
fog.updateVisibility( Dungeon.visible, Dungeon.level.visited, Dungeon.level.mapped );
add( fog );
brightness( ShatteredPixelDungeon.brightness() );
@ -707,13 +706,12 @@ public class GameScene extends PixelScene {
public static void updateFog(){
if (scene != null)
scene.fog.updated.set(0, 0, Dungeon.level.width()+1, Dungeon.level.height()+1);
scene.fog.updateFog();
}
public static void updateFog(int x, int y, int w, int h){
if (scene != null) {
scene.fog.updated.union(x, y);
scene.fog.updated.union(x + w, y + h);
scene.fog.updateFogArea(x, y, w, h);
}
}