/** Draws a Myth/FF7 style viewing window */
static void setViewingWindow()
{
float pixSizeH, pixSizeV;
Vector3i v[4], tv[4], centre;
int shortX, longX, yDrop, yDropVar;
int dif = getDistanceAdjust();
int dif2 = getLengthAdjust();
PIELIGHT colour;
CalcRadarPixelSize(&pixSizeH, &pixSizeV);
int x = player.p.x * pixSizeH / TILE_UNITS;
int y = player.p.z * pixSizeV / TILE_UNITS;
shortX = ((visibleTiles.x / 4) - (dif / 6)) * pixSizeH;
longX = ((visibleTiles.x / 2) - (dif / 4)) * pixSizeH;
yDropVar = ((visibleTiles.y / 2) - (dif2 / 3)) * pixSizeV;
yDrop = ((visibleTiles.y / 2) - dif2 / 3) * pixSizeV;
v[0].x = longX;
v[0].y = -yDropVar;
v[1].x = -longX;
v[1].y = -yDropVar;
v[2].x = shortX;
v[2].y = yDrop;
v[3].x = -shortX;
v[3].y = yDrop;
centre.x = x - scrollMinX * pixSizeH;
centre.y = y - scrollMinY * pixSizeV;
RotateVector2D(v, tv, ¢re, player.r.y, 4);
switch (getCampaignNumber())
{
case 1:
case 2:
// white
colour.byte.r = UBYTE_MAX;
colour.byte.g = UBYTE_MAX;
colour.byte.b = UBYTE_MAX;
colour.byte.a = 0x3f;
break;
case 3:
// greenish
colour.byte.r = 0x3f;
colour.byte.a = 0x3f;
colour.byte.g = UBYTE_MAX;
colour.byte.b = 0x3f;
default:
// black
colour.rgba = 0;
colour.byte.a = 0x3f;
break;
}
/* Send the four points to the draw routine and the clip box params */
pie_SetViewingWindow(tv, colour);
}
/** Draws a Myth/FF7 style viewing window */
static void drawViewingWindow(float radarX, float radarY, int x, int y, float pixSizeH, float pixSizeV)
{
Vector3i v[4], tv[4], centre;
int shortX, longX, yDrop, yDropVar;
int dif = getDistanceAdjust();
int dif2 = getLengthAdjust();
PIELIGHT colour;
shortX = ((visibleTiles.x / 4) - (dif / 6)) * pixSizeH;
longX = ((visibleTiles.x / 2) - (dif / 4)) * pixSizeH;
yDropVar = ((visibleTiles.y / 2) - (dif2 / 3)) * pixSizeV;
yDrop = ((visibleTiles.y / 2) - dif2 / 3) * pixSizeV;
v[0].x = longX;
v[0].y = -yDropVar;
v[1].x = -longX;
v[1].y = -yDropVar;
v[2].x = shortX;
v[2].y = yDrop;
v[3].x = -shortX;
v[3].y = yDrop;
centre.x = radarX + x - scrollMinX*pixSizeH/2;
centre.y = radarY + y - scrollMinY*pixSizeV/2;
RotateVector2D(v,tv,¢re,player.r.y,4);
switch (getCampaignNumber())
{
case 1:
case 2:
// white
colour.byte.r = UBYTE_MAX;
colour.byte.g = UBYTE_MAX;
colour.byte.b = UBYTE_MAX;
colour.byte.a = 0x3f;
break;
case 3:
// greenish
colour.byte.r = 0x3f;
colour.byte.a = 0x3f;
colour.byte.g = UBYTE_MAX;
colour.byte.b = 0x3f;
default:
// black
colour.rgba = 0;
colour.byte.a = 0x3f;
break;
}
/* Send the four points to the draw routine and the clip box params */
pie_DrawViewingWindow(tv, radarX, radarY, radarX + radarWidth, radarY + radarHeight, colour);
}
// The inverse of NormalizeToRect
// If a Rect is normalized onto one Rect and scaled by another with a different
// X:Y ratio, that Rect will be squashed/stretched along its own X,Y axes,
// not those of the normal or scale Rects
FRect2D ScaleToRect(FRect2D ScaleRect, FRect2D BaseRect)
{
FRect2D Result;
Result.Centre = BaseRect.Centre - FVector2D(0.5,0.5);
Result.Centre = Result.Centre * ScaleRect.Size;
Result.Centre = RotateVector2D(Result.Centre, ScaleRect.Rotation);
Result.Centre += ScaleRect.Centre;
Result.Size = BaseRect.Size * ScaleRect.Size;
Result.Rotation = BaseRect.Rotation + ScaleRect.Rotation;
return Result;
}
// Transforms BaseRect into the coordinate system where NormalRect is an AABB
// from (0,0) to (1,1). This is defined as:
// The origin (0,0) is located at the bottom left corner of NormalRect
// The axes X,Y are the positive X,Y according to the rotation of NormalRect
// The X,Y unit lengths are equal to the X and Y lengths of NormalRect
FRect2D NormalizeToRect(FRect2D NormalRect, FRect2D BaseRect)
{
FRect2D Result;
Result.Centre = BaseRect.Centre - NormalRect.Centre;
Result.Centre = RotateVector2D(Result.Centre, -NormalRect.Rotation);
Result.Centre /= NormalRect.Size;
Result.Centre += FVector2D(0.5,0.5);
Result.Size = BaseRect.Size / NormalRect.Size;
Result.Rotation = BaseRect.Rotation - NormalRect.Rotation;
return Result;
}
