// Am I completely inside a given box?
bool guiGate::isWithinBox(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) {
klsBBox selBBox;
selBBox.reset();
selBBox.addPoint(GLPoint2f( x1, y1) );
selBBox.addPoint(GLPoint2f( x2, y2) );
return selBBox.contains(this->getBBox());
}
// Check if any of the hotspots of this gate are within the delta
// of the world coordinates sX and sY. delta is in gl coords.
string guiGate::checkHotspots(GLfloat x, GLfloat y, GLfloat delta) {
// Set up the mouse as a collision object:
klsCollisionObject mouse(COLL_MOUSEBOX);
klsBBox mBox;
mBox.addPoint(GLPoint2f( x, y) );
mBox.extendTop(delta);
mBox.extendBottom(delta);
mBox.extendLeft(delta);
mBox.extendRight(delta);
mouse.setBBox(mBox);
// Check if any hotspots hit the mouse:
CollisionGroup results = this->checkSubsToObj(&mouse);
CollisionGroup::iterator rs = results.begin();
while(rs != results.end()) {
// If there were any hotspots that hit, then return
// the first one to the caller:
if((*rs)->getType() == COLL_GATE_HOTSPOT) {
return((gateHotspot*) *rs)->name;
}
rs++;
}
return "";
}
// Draw this gate as selected from now until unselect() is
// called, if the coordinate passed to it is within
// this gate's bounding box in GL coordinates.
// Return true if this gate is selected.
bool guiGate::clickSelect(GLfloat x, GLfloat y) {
if(this->getBBox().contains( GLPoint2f( x, y) ) ) {
selected = true;
return true;
} else {
return false;
}
}
// Convert model->world coordinates:
GLPoint2f guiGate::modelToWorld(GLPoint2f c) {
// Perform a matrix-vector multiply to get the point coordinates in world-space:
GLfloat x = c.x * mModel[0] + c.y * mModel[4] + 1.0*mModel[12];
GLfloat y = c.x * mModel[1] + c.y * mModel[5] + 1.0*mModel[13];
return GLPoint2f(x, y);
}
// Insert a hotspot in the hotspot list.
void guiGate::insertHotspot(float x1, float y1, string connection) {
if(hotspots.find(connection) != hotspots.end()) return; // error: hotspot already exists
gateHotspot* newHS = new gateHotspot(connection);
newHS->modelLocation = GLPoint2f(x1, y1);
// Add the hs to the gate's struct:
hotspots[connection] = newHS;
// Add the hs to the gate's sub-object list:
this->insertSubObject(newHS);
// Update the hotspot's world-space bbox:
updateBBoxes();
}
void gateImage::setViewport() {
// Set the projection matrix:
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
wxSize sz = GetClientSize();
klsBBox m_gatebox = m_gate->getModelBBox();
GLPoint2f minCorner = GLPoint2f(m_gatebox.getLeft()-0.5,m_gatebox.getTop()+0.5);
GLPoint2f maxCorner = GLPoint2f(m_gatebox.getRight()+0.5,m_gatebox.getBottom()-0.5);
double screenAspect = (double) sz.GetHeight() / (double) sz.GetWidth();
double mapWidth = maxCorner.x - minCorner.x;
double mapHeight = minCorner.y - maxCorner.y; // max and min corner's defs are weird...
GLPoint2f orthoBoxTL, orthoBoxBR;
// If the map's width is the limiting factor:
if( screenAspect * mapWidth >= mapHeight ) {
// Fit to width:
double imageHeight = screenAspect * mapWidth;
// Set the ortho box width equal to the map width, and center the
// height in the box:
orthoBoxTL = GLPoint2f( minCorner.x, minCorner.y + 0.5*(imageHeight - mapHeight) );
orthoBoxBR = GLPoint2f( maxCorner.x, maxCorner.y - 0.5*(imageHeight - mapHeight) );
} else {
// Fit to height:
double imageWidth = mapHeight / screenAspect;
// Set the ortho box height equal to the map height, and center the
// width in the box:
orthoBoxTL = GLPoint2f( minCorner.x - 0.5*(imageWidth - mapWidth), minCorner.y );
orthoBoxBR = GLPoint2f( maxCorner.x + 0.5*(imageWidth - mapWidth), maxCorner.y );
}
// gluOrtho2D(left, right, bottom, top); (In world-space coords.)
gluOrtho2D(orthoBoxTL.x, orthoBoxBR.x, orthoBoxBR.y, orthoBoxTL.y);
glViewport(0, 0, (GLint) sz.GetWidth(), (GLint) sz.GetHeight());
// Store minCorner and maxCorner for use in mouse handler:
minCorner = orthoBoxTL;
maxCorner = orthoBoxBR;
// Set the model matrix:
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
}
// Insert a line in the line list.
void guiGate::insertLine(float x1, float y1, float x2, float y2) {
vertices.push_back(GLPoint2f( x1, y1) );
vertices.push_back(GLPoint2f( x2, y2) );
}
void klsMiniMap::setViewport() {
// Set the projection matrix:
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
wxSize sz = GetClientSize();
float minX = FLT_MAX, minY = FLT_MAX, maxX = -FLT_MAX, maxY = -FLT_MAX;
hash_map < unsigned long, guiGate* >::iterator gateWalk = gateList->begin();
while (gateWalk != gateList->end()) {
float x, y;
(gateWalk->second)->getGLcoords(x, y);
if (x < minX) minX = x;
if (y < minY) minY = y;
if (x > maxX) maxX = x;
if (y > maxY) maxY = y;
gateWalk++;
}
if (origin.x < minX) minX = origin.x;
if (origin.y > maxY) maxY = origin.y;
if (endpoint.x > maxX) maxX = endpoint.x;
if (endpoint.y < minY) minY = endpoint.y;
minCorner = GLPoint2f(minX-5,maxY+5);
maxCorner = GLPoint2f(maxX+5,minY-5);
double screenAspect = (double) sz.GetHeight() / (double) sz.GetWidth();
double mapWidth = maxCorner.x - minCorner.x;
double mapHeight = minCorner.y - maxCorner.y; // max and min corner's defs are weird...
GLPoint2f orthoBoxTL, orthoBoxBR;
// If the map's width is the limiting factor:
if( screenAspect * mapWidth >= mapHeight ) {
// Fit to width:
double imageHeight = screenAspect * mapWidth;
// Set the ortho box width equal to the map width, and center the
// height in the box:
orthoBoxTL = GLPoint2f( minCorner.x, minCorner.y + 0.5*(imageHeight - mapHeight) );
orthoBoxBR = GLPoint2f( maxCorner.x, maxCorner.y - 0.5*(imageHeight - mapHeight) );
} else {
// Fit to height:
double imageWidth = mapHeight / screenAspect;
// Set the ortho box height equal to the map height, and center the
// width in the box:
orthoBoxTL = GLPoint2f( minCorner.x - 0.5*(imageWidth - mapWidth), minCorner.y );
orthoBoxBR = GLPoint2f( maxCorner.x + 0.5*(imageWidth - mapWidth), maxCorner.y );
}
// gluOrtho2D(left, right, bottom, top); (In world-space coords.)
gluOrtho2D(orthoBoxTL.x, orthoBoxBR.x, orthoBoxBR.y, orthoBoxTL.y);
glViewport(0, 0, (GLint) sz.GetWidth(), (GLint) sz.GetHeight());
// Store minCorner and maxCorner for use in mouse handler:
minCorner = orthoBoxTL;
maxCorner = orthoBoxBR;
// Set the model matrix:
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
}
