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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef RECTANGLE_H
#define RECTANGLE_H
#include "type2.h"
#include "myMath.h"
#include "System/creg/creg_cond.h"
struct SRectangle {
CR_DECLARE_STRUCT(SRectangle)
SRectangle()
: x1(0)
, z1(0)
, x2(0)
, z2(0)
{}
SRectangle(int x1_, int z1_, int x2_, int z2_)
: x1(x1_)
, z1(z1_)
, x2(x2_)
, z2(z2_)
{}
int GetWidth() const { return x2 - x1; }
int GetHeight() const { return z2 - z1; }
int GetArea() const { return (GetWidth() * GetHeight()); }
bool Inside(const int2 pos) const {
// note: *min inclusive, *max exclusive
const bool xb = (pos.x >= x1 && pos.x < x2);
const bool yb = (pos.y >= y1 && pos.y < y2);
return (xb && yb);
}
void ClampPos(int2* pos) const {
pos->x = Clamp(pos->x, x1, x2);
pos->y = Clamp(pos->y, y1, y2);
}
void ClampIn(const SRectangle& rect) {
x1 = Clamp(x1, rect.x1, rect.x2);
x2 = Clamp(x2, rect.x1, rect.x2);
y1 = Clamp(y1, rect.y1, rect.y2);
y2 = Clamp(y2, rect.y1, rect.y2);
}
bool CheckOverlap(const SRectangle& rect) const {
return
x1 < rect.x2 && x2 > rect.x1 &&
y1 < rect.y2 && y2 > rect.y1;
}
bool operator< (const SRectangle& other) const {
if (x1 == other.x1) {
return (z1 < other.z1);
} else {
return (x1 < other.x1);
}
}
template<typename T>
SRectangle operator* (const T v) const {
return SRectangle(
x1 * v, z1 * v,
x2 * v, z2 * v
);
}
union {
int x1;
int left;
};
union {
int z1;
int y1;
int top;
};
union {
int x2;
int right;
};
union {
int z2;
int y2;
int bottom;
};
};
#endif // RECTANGLE_H
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