Map Utils and Gap and startroom determination

1 files changed, 73 insertions, 0 deletions

diff --git a/src/main/java/kr/syeyoung/dungeonsguide/utils/MapUtils.java b/src/main/java/kr/syeyoung/dungeonsguide/utils/MapUtils.java
new file mode 100644
index 00000000..a0364f62
--- /dev/null
+++ b/src/main/java/kr/syeyoung/dungeonsguide/utils/MapUtils.java
@@ -0,0 +1,73 @@
+package kr.syeyoung.dungeonsguide.utils;
+
+import net.minecraft.block.material.MapColor;
+import org.w3c.dom.css.Rect;
+
+import javax.vecmath.Vector2d;
+import java.awt.*;
+
+public class MapUtils {
+    public static byte getMapColorAt(byte[] colors, int x, int y) {
+        if (y <0 || y>= 128 || x < 0 || x >= 128) return 0;
+        return colors[y * 128 +x];
+    }
+
+    public static int getRGBColorAt(byte[] colors, int x, int y) {
+        if (y <0 || y>= 128 || x < 0 || x >= 128) return 0;
+        int i = y * 128 +x;
+        int j = colors[i] & 255;
+
+        int theColor;
+        if (j / 4 == 0)
+        {
+            theColor = (i + i / 128 & 1) * 8 + 16 << 24;
+        }
+        else
+        {
+            theColor = MapColor.mapColorArray[j / 4].func_151643_b(j & 3);
+        }
+
+        return theColor;
+    }
+
+    public static Point findFirstColorWithIn(byte[] colors, byte color, Rectangle dimension) {
+        for (int y = dimension.y; y < (dimension.y + dimension.height);y++) {
+            for (int x = dimension.x; x < (dimension.x + dimension.width); x ++) {
+                if (getMapColorAt(colors, x ,y) == color) return new Point(x,y);
+            }
+        }
+        return null;
+    }
+
+    public static Point findFirstColorWithInNegate(byte[] colors, byte color, Rectangle dimension) {
+        for (int y = dimension.y; y < (dimension.y + dimension.height);y++) {
+            for (int x = dimension.x; x < (dimension.x + dimension.width); x ++) {
+                if (getMapColorAt(colors, x ,y) != color) return new Point(x,y);
+            }
+        }
+        return null;
+    }
+
+    public static int getWidthOfColorAt(byte[] colors, byte color, Point point) {
+        for (int x = point.x; x < 128; x++) {
+            if (getMapColorAt(colors, x, point.y) != color) return x - point.x;
+        }
+        return 128 - point.x;
+    }
+    public static int getHeightOfColorAt(byte[] colors, byte color, Point point) {
+        for (int y = point.y; y < 128; y++) {
+            if (getMapColorAt(colors, point.x,y) != color) return y - point.y;
+        }
+        return 128 - point.y;
+    }
+
+    public static int getLengthOfColorExtending(byte[] colors, byte color, Point basePoint, Vector2d vector2d) {
+        for (int i = 0; i < 128; i++) {
+            int x = (int) (basePoint.x + vector2d.x * i);
+            int y = (int) (basePoint.y + vector2d.y * i);
+            if (getMapColorAt(colors, x,y) != color) return i;
+        }
+        return -1;
+    }
+
+}