void CRenderer::RenderText( CIwGxFont * font, const CIwRect & rect, const CIwColour & color, const CIwStringS & txt, IwGxFontAlignHor hAlign, IwGxFontAlignVer vAlign )
{
iwsfixed scale = IW_SFIXED(mDeviceParams.scale);
iwsfixed offX = mDeviceParams.offsetX;
iwsfixed offY = mDeviceParams.offsetY;
CIwRect r;
r.x = IW_FIXED_MUL(rect.x, scale) + offX;
r.y = IW_FIXED_MUL(rect.y, scale) + offY;
r.w = IW_FIXED_MUL(rect.w, scale);
r.h = IW_FIXED_MUL(rect.h, scale);
Flush();
DefaultMaterial();
IwGxFontClearFlags(0xffffffff);
IwGxLightingOn();
IwGxFontSetFont( font );
IwGxFontSetCol( color );
//IwGxFontSetScale( scale );
//Set the formatting rect - this controls where the text appears and what it is formatted against
IwGxFontSetRect(r);
IwGxFontSetAlignmentVer(vAlign);
IwGxFontSetAlignmentHor(hAlign);
//Draw the text
IwGxFontDrawText(txt.c_str());
IwGxLightingOff();
IwGxFontFreeBuffers();
Flush();
}
void HexMapTest::SetModelMatrix() {
s_ModelMatrix.SetIdentity();
CIwVec3 vectCenter = getWorldCoords(IwGxGetScreenWidth()/2, IwGxGetScreenHeight()/2);
s_ModelMatrix.t.x = vectCenter.x;
s_ModelMatrix.t.y = vectCenter.y;
//Zoom
s_ModelMatrix.Scale(IW_FIXED_FROM_FLOAT(zoom));
CIwVec3 vect = getWorldCoords(0, 0);
CIwVec3 vect2 = getWorldCoords(screenTranslationX, screenTranslationY);
int32 dx = int32((vect2.x-vect.x) * zoom);
int32 dy = int32((vect2.y-vect.y) * zoom);
//s_ModelMatrix.t.x = -dx;
//s_ModelMatrix.t.y = -dy;
iwfixed sinTheta = IwGeomSin(IW_ANGLE_FROM_DEGREES(-rotation));
iwfixed cosTheta = IwGeomCos(IW_ANGLE_FROM_DEGREES(-rotation));
s_ModelMatrix.t.x = -vectCenter.x-(IW_FIXED_MUL(dx, cosTheta) - IW_FIXED_MUL(dy, sinTheta));
s_ModelMatrix.t.y = -vectCenter.y-(IW_FIXED_MUL(dx, sinTheta) + IW_FIXED_MUL(dy, cosTheta));
//Rotate
CIwMat rotationMat = CIwMat::g_Identity;
rotationMat.SetRotZ(IW_ANGLE_FROM_DEGREES(rotation), true, true);
s_ModelMatrix *= rotationMat;
}
void CRenderer::CameraTransform( CIwSVec2 * vertex, int vertexCount )
{
iwsfixed scale = IW_SFIXED(mDeviceParams.scale);
CIwSVec2 t( FLOAT_TO_FIXED(mCamera.GetPos().x), FLOAT_TO_FIXED(mCamera.GetPos().y) );
iwsfixed csacale = IW_SFIXED( mCamera.GetScale() );
for (int i = 0; i < vertexCount; i++)
{
vertex[i] -= t;
vertex[i].x = IW_FIXED_MUL(vertex[i].x, csacale);
vertex[i].y = IW_FIXED_MUL(vertex[i].y, csacale);
vertex[i].x = IW_FIXED_MUL(vertex[i].x, scale) + ((mDeviceParams.offsetX) << 3);
vertex[i].y = IW_FIXED_MUL(vertex[i].y, scale) + ((mDeviceParams.offsetY) << 3);
}
}
void HexMapTest::SetTranslation()
{
int16 sprite1_pos_x,sprite1_pos_y,sprite1_pos_x_initial,sprite1_pos_y_initial;
if (g_Input.finger1MovedTo(sprite1_pos_x, sprite1_pos_y)) {
g_Input.finger1Initial(sprite1_pos_x_initial, sprite1_pos_y_initial);
}
iwfixed sinTheta = IwGeomSin(IW_ANGLE_FROM_DEGREES(rotation));
iwfixed cosTheta = IwGeomCos(IW_ANGLE_FROM_DEGREES(rotation));
int odx = sprite1_pos_x_initial - sprite1_pos_x;
int ody = sprite1_pos_y_initial - sprite1_pos_y;
int dx = (IW_FIXED_MUL(odx, cosTheta) - IW_FIXED_MUL(ody, sinTheta));
int dy = (IW_FIXED_MUL(odx, sinTheta) + IW_FIXED_MUL(ody, cosTheta));
screenTranslationX = screenTranslationX_initial + dx;
screenTranslationY = screenTranslationY_initial + dy;
SetModelMatrix();
}
CIwVec3 HexMapTest::getWorldCoords(int x, int y) {
// Generate a ray pointing to the view plane from the camera
CIwVec3 dir(x - IwGxGetScreenWidth()/2,
y - IwGxGetScreenHeight()/2,
IwGxGetPerspMul());
CIwVec3 origin = s_viewMatrix.t;
// Rotate into camera space
dir = s_viewMatrix.RotateVec(dir);
// dir.NormaliseSlow();
CIwVec3 inter = getIntersectionNew(origin, dir);
inter = inter - s_ModelMatrix.t;
iwfixed z = IW_FIXED_FROM_FLOAT(1.0f/zoom);
inter.x = IW_FIXED_MUL(inter.x, z);
inter.y = IW_FIXED_MUL(inter.y, z);
inter.z = IW_FIXED_MUL(inter.z, z);
CIwMat rotationMat = CIwMat::g_Identity;
rotationMat.SetRotZ(IW_ANGLE_FROM_DEGREES(-rotation), true, true);
inter = rotationMat.RotateVec(inter);
return inter;
}
