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-rw-r--r--common/rect.h57
1 files changed, 43 insertions, 14 deletions
diff --git a/common/rect.h b/common/rect.h
index d6badb1efd..dcf1c8b421 100644
--- a/common/rect.h
+++ b/common/rect.h
@@ -26,10 +26,45 @@
#ifndef COMMON_RECT_H
#define COMMON_RECT_H
-#include "common/shape.h"
+#include "common/scummsys.h"
+#include "common/util.h"
namespace Common {
+/*! @brief simple class for handling both 2D position and size
+
+ This small class is an helper for position and size values.
+*/
+struct Point {
+ int16 x; //!< The horizontal part of the point
+ int16 y; //!< The vertical part of the point
+
+ Point() : x(0), y(0) {}
+ Point(const Point &p) : x(p.x), y(p.y) {}
+ explicit Point(int16 x1, int16 y1) : x(x1), y(y1) {}
+ Point & operator=(const Point & p) { x = p.x; y = p.y; return *this; };
+ bool operator==(const Point & p) const { return x == p.x && y == p.y; };
+ bool operator!=(const Point & p) const { return x != p.x || y != p.y; };
+
+ /**
+ * Return the square of the distance between this point and the point p.
+ *
+ * @param p the other point
+ * @return the distance between this and p
+ */
+ uint sqrDist(const Point & p) const {
+ int diffx = ABS(p.x - x);
+ if (diffx >= 0x1000)
+ return 0xFFFFFF;
+
+ int diffy = ABS(p.y - y);
+ if (diffy >= 0x1000)
+ return 0xFFFFFF;
+
+ return uint(diffx*diffx + diffy*diffy);
+ }
+};
+
/*! @brief simple class for handling a rectangular zone.
This small class is an helper for rectangles.
@@ -40,7 +75,7 @@ namespace Common {
Another very wide spread approach to rectangle classes treats (bottom,right)
also as a part of the rectangle.
- Conceptually, both are sound, but the approach we use saves many intermediate
+ Coneptually, both are sound, but the approach we use saves many intermediate
computations (like computing the height in our case is done by doing this:
height = bottom - top;
while in the alternate system, it would be
@@ -48,7 +83,7 @@ namespace Common {
When writing code using our Rect class, always keep this principle in mind!
*/
-struct Rect : public Shape {
+struct Rect {
int16 top, left; //!< The point at the top left of the rectangle (part of the rect).
int16 bottom, right; //!< The point at the bottom right of the rectangle (not part of the rect).
@@ -57,8 +92,6 @@ struct Rect : public Shape {
Rect(int16 x1, int16 y1, int16 x2, int16 y2) : top(y1), left(x1), bottom(y2), right(x2) {
assert(isValidRect());
}
- virtual ~Rect() {}
-
int16 width() const { return right - left; }
int16 height() const { return bottom - top; }
@@ -77,7 +110,7 @@ struct Rect : public Shape {
@return true if the given position is inside this rectangle, false otherwise
*/
- virtual bool contains(int16 x, int16 y) const {
+ bool contains(int16 x, int16 y) const {
return (left <= x) && (x < right) && (top <= y) && (y < bottom);
}
@@ -87,7 +120,7 @@ struct Rect : public Shape {
@return true if the given point is inside this rectangle, false otherwise
*/
- virtual bool contains(const Point &p) const {
+ bool contains(const Point &p) const {
return contains(p.x, p.y);
}
@@ -152,19 +185,19 @@ struct Rect : public Shape {
return (left <= right && top <= bottom);
}
- virtual void moveTo(int16 x, int16 y) {
+ void moveTo(int16 x, int16 y) {
bottom += y - top;
right += x - left;
top = y;
left = x;
}
- virtual void translate(int16 dx, int16 dy) {
+ void translate(int16 dx, int16 dy) {
left += dx; right += dx;
top += dy; bottom += dy;
}
- virtual void moveTo(const Point &p) {
+ void moveTo(const Point &p) {
moveTo(p.x, p.y);
}
@@ -178,10 +211,6 @@ struct Rect : public Shape {
h /= 2;
return Rect(cx - w, cy - h, cx + w, cy + h);
}
-
- virtual Rect getBoundingRect() const {
- return *this;
- }
};
} // End of namespace Common