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ACSRect library
//
// Defines & Variables
//
#define ACSRECTS_NUM_GLOBALS 6
#define ACSRECTS_X 0
#define ACSRECTS_Y 1
#define ACSRECTS_W 2
#define ACSRECTS_H 3
// simple addons for buttons
#define ACSRECTS_GRABBED 4
#define ACSRECTS_HOLD 5
// FIXME
#define ACSUTILS_RECTLIB_SAVEDSTATES 256
int numrects = 0;
int RectsStateStack[ACSRECTS_NUM_GLOBALS][ACSUTILS_RECTLIB_SAVEDSTATES];
int RectsUserStateStack[ACSUTILS_RECTLIB_USERVARS][ACSUTILS_RECTLIB_SAVEDSTATES];
//
// Basic functions
//
function int RectCreate(int x, int y, int w, int h)
{
int offset = numrects;
RectsStateStack[ACSRECTS_X][offset] = x;
RectsStateStack[ACSRECTS_Y][offset] = y;
RectsStateStack[ACSRECTS_W][offset] = w;
RectsStateStack[ACSRECTS_H][offset] = h;
return numrects++;
}
function void RectsDelete(int start)
{
for (int i = start; i < numrects; i++)
{
RectsStateStack[ACSRECTS_X][i] = 0.0;
RectsStateStack[ACSRECTS_Y][i] = 0.0;
RectsStateStack[ACSRECTS_W][i] = 0.0;
RectsStateStack[ACSRECTS_H][i] = 0.0;
RectsStateStack[ACSRECTS_GRABBED][i] = false;
RectsStateStack[ACSRECTS_HOLD][i] = false;
for (int j = 0; j < ACSUTILS_RECTLIB_USERVARS; j++)
{
RectsUserStateStack[i][ACSUTILS_RECTLIB_SAVEDSTATES] = 0;
}
}
numrects -= numrects - start;
}
function void SetRectUserData(int rect, int id, int data)
{
RectsUserStateStack[id][rect] = data;
}
function int RectGetUserData(int rect, int id)
{
return RectsUserStateStack[id][rect];
}
function void SetRectPosition(int rect, int x, int y)
{
RectsStateStack[ACSRECTS_X][rect] = x;
RectsStateStack[ACSRECTS_Y][rect] = y;
}
function void SetRectSize(int rect, int w, int h)
{
RectsStateStack[ACSRECTS_W][rect] = w;
RectsStateStack[ACSRECTS_H][rect] = h;
}
function int RectX1(int rect)
{
return RectsStateStack[ACSRECTS_X][rect];
}
function int RectY1(int rect)
{
return RectsStateStack[ACSRECTS_Y][rect];
}
function int RectWidth(int rect)
{
return RectsStateStack[ACSRECTS_W][rect];
}
function int RectHeight(int rect)
{
return RectsStateStack[ACSRECTS_H][rect];
}
function int RectX2(int rect)
{
return RectX1(rect) + RectWidth(rect);
}
function int RectY2(int rect)
{
return RectY1(rect) + RectHeight(rect);
}
function bool RectIsPointInside(int rect, int x, int y)
{
if (x > RectX1(rect) && x < RectX2(rect) && y > RectY1(rect) && y < RectY2(rect))
return true;
return false;
}
function int RectCenterX(int rect)
{
return RectX1(rect) + FixedDiv(RectWidth(rect), 2.0);
}
function int RectCenterY(int rect)
{
return RectY1(rect) + FixedDiv(RectHeight(rect), 2.0);
}
//
// Input & Cursor Addons
//
function void RectFollowCursor(int rect)
{
RectsStateStack[ACSRECTS_X][rect] += CursorDeltaX();
RectsStateStack[ACSRECTS_Y][rect] += CursorDeltaY();
}
function bool RectIsHovered(int rect)
{
return RectIsPointInside(rect, CursorX(), CursorY());
}
function bool RectIsClicked(int rect, int key)
{
if (KeyPressed(key) && RectIsHovered(rect))
return true;
return false;
}
function bool RectIsDown(int rect, int key)
{
if (KeyDown(key) && RectIsHovered(rect))
return true;
return false;
}
function bool RectIsGrabbed(int rect, int key)
{
if (!RectsStateStack[ACSRECTS_GRABBED][rect])
{
if(RectIsClicked(rect, key))
{
RectsStateStack[ACSRECTS_GRABBED][rect] = true;
return true;
}
}
else
{
if(KeyDown(key))
return true;
else
RectsStateStack[ACSRECTS_GRABBED][rect] = false;
}
return false;
}
function bool RectIsPressed(int rect, int key)
{
if (!RectsStateStack[ACSRECTS_HOLD][rect])
{
if(RectIsClicked(rect, key))
{
RectsStateStack[ACSRECTS_HOLD][rect] = true;
return false;
}
}
else
{
if(RectIsDown(rect, key))
return false;
else
{
RectsStateStack[ACSRECTS_HOLD][rect] = false;
return true;
}
}
return false;
}
function bool RectIntersects(int rect, int rect2)
{
if (rect == rect2)
return false;
return !(RectX1(rect) > RectX2(rect2) || RectX1(rect2) > RectX2(rect) || RectY1(rect) > RectY2(rect2) || RectY1(rect2) > RectY2(rect));
}
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