void Map::draw(float elapsed)
{
CL_Vec2<float> fieldSize;
CL_Pointf p;
CL_Rect viewport = window.get_viewport();
fieldSize.x = (float)viewport.get_width() / size.width;
fieldSize.y = (float)viewport.get_height() / size.height;
for (int row = 0; row < size.height; row++)
for (int col = 0; col < size.width; col++)
{
p = CL_Pointf(col * fieldSize.x, row * fieldSize.y) + fieldSize / 2;
if (row < size.height - 1)
{
CL_Colorf color(getEdge(CL_Point(col, row), CL_Point(col, row + 1)).pheromone / 10, 0, 0);
CL_Draw::line(window.get_gc(), p, p + CL_Vec2<float>(0, fieldSize.y), color);
}
if (col < size.width - 1)
{
CL_Colorf color(getEdge(CL_Point(col, row), CL_Point(col + 1, row)).pheromone / 10, 0, 0);
CL_Draw::line(window.get_gc(), p, p + CL_Vec2<float>(fieldSize.x, 0), color);
}
}
p = CL_Pointf(start.x * fieldSize.x, start.y * fieldSize.y);
CL_Draw::fill(window.get_gc(), p, p + fieldSize, CL_Colorf::red);
p = CL_Pointf(target.x * fieldSize.x, target.y * fieldSize.y);
CL_Draw::fill(window.get_gc(), p, p + fieldSize, CL_Colorf::green);
}
void CL_PointSetMath::minimum_disc_with_3points(
CL_Circlef &smalldisc,
const std::vector<CL_Pointf> &points,
unsigned int i,
unsigned int j,
unsigned int k)
{
// There is only one circle with all three points on its boundary.
// Find center:
// http://astronomy.swin.edu.au/~pbourke/geometry/circlefrom3/
//
CL_Pointf ji_mid = CL_LineMath::midpoint(points[i],points[j]);
CL_Pointf ji_norm = ji_mid + CL_Pointf(points[i].y - ji_mid.y, -(points[i].x - ji_mid.x));
CL_Pointf ki_mid = CL_LineMath::midpoint(points[k],points[i]);
CL_Pointf ki_norm = ki_mid + CL_Pointf(points[k].y - ki_mid.y, -(points[k].x - ki_mid.x));
CL_LineSegment2f line_segment_a( ji_mid, ji_norm );
CL_LineSegment2f line_segment_b( ki_mid, ki_norm );
bool did_intersect;
smalldisc.position = line_segment_a.get_intersection( line_segment_b, did_intersect );
// Since (i,j,k) are all on the circle, just get distance to one of them
smalldisc.radius = smalldisc.position.distance(points[i]);
}
void Graphics::setClipRect(float x1, float y1, float x2, float y2)
{
// (0, 0) is the lower left corner, since we use our custom projection matrix, not ClanLib standard one
CL_Point topLeft = virtualToScreen(CL_Pointf(x1, y1));
CL_Point bottomRight = virtualToScreen(CL_Pointf(x2, y2));
int height = mWindow.get_viewport().get_height();
mWindow.get_gc().set_cliprect(CL_Rect(topLeft.x, height - bottomRight.y, bottomRight.x, height - topLeft.y));
}
void EditorPoint::setDefaultPoints()
{
m_track.clear();
m_track.addPoint(CL_Pointf(150.0f, 150.0f), DEFAULT_RADIUS, DEFAULT_SHIFT);
m_track.addPoint(CL_Pointf(1200.0f, 120.0f), DEFAULT_RADIUS, DEFAULT_SHIFT);
m_track.addPoint(CL_Pointf(1300.0f, 800.0f), DEFAULT_RADIUS, DEFAULT_SHIFT);
m_track.addPoint(CL_Pointf(200.0f, 950.0f), DEFAULT_RADIUS, DEFAULT_SHIFT);
m_gfxLevel.getTrackTriangulator().triangulate(m_track);
}
void Firework::draw(float elapsed)
{
for (unsigned i = 0; i < particles.size(); ++i)
{
CL_Pointf position = scale(particles[i].getPosition());
CL_Draw::fill(window.get_gc(), position, position - CL_Pointf(3, 3), CL_Colorf::white);
}
for (std::list<Line>::iterator it = lines.begin(); it != lines.end(); ++it)
CL_Draw::line(window.get_gc(), CL_LineSegment2f(scale(it->line.p), scale(it->line.q)), CL_Colorf::white);
CL_Draw::fill(window.get_gc(), scale(spring.position), scale(spring.position) - CL_Pointf(5, 5), CL_Colorf::red);
}
WorkspaceMoveTool::WorkspaceMoveTool()
: impl(new WorkspaceMoveToolImpl())
{
impl->scrolling = false;
impl->click_pos = CL_Point(0, 0);
impl->old_trans_offset = CL_Pointf(0,0);
}
void Sandpit::build()
{
CL_Rect bounds = calculateCircleBounds();
setPosition(CL_Pointf(bounds.left, bounds.top));
const float MAX_WIDTH = 512;
const float MAX_HEIGHT = 512;
// prepare image data
const int width = bounds.get_width() + 1;
const int height = bounds.get_height() + 1;
assert(width <= MAX_WIDTH && width > 0);
assert(height <= MAX_HEIGHT && height > 0);
// prepare pixel data
m_pixelData = CL_SharedPtr<CL_PixelBuffer>(new CL_PixelBuffer(width, height, width * 4, CL_PixelFormat::rgba8888));
fillCircles(width, height, bounds);
// unset the texture to create is at the next draw
m_texture.disconnect();
m_built = true;
}
CL_Pointf CL_LineMath::get_intersection( float *lineA, float *lineB )
{
const float &Ax = lineA[0];
const float &Ay = lineA[1];
const float &Bx = lineA[2];
const float &By = lineA[3];
const float &Cx = lineB[0];
const float &Cy = lineB[1];
const float &Dx = lineB[2];
const float &Dy = lineB[3];
float denominator = ((Bx-Ax)*(Dy-Cy)-(By-Ay)*(Dx-Cx));
if( denominator == 0 )
return CL_Pointf(Ax,Ay);
float r = ((Ay-Cy)*(Dx-Cx)-(Ax-Cx)*(Dy-Cy)) / denominator;
CL_Pointf P;
P.x=Ax+r*(Bx-Ax);
P.y=Ay+r*(By-Ay);
return P;
}
CL_Circlef CL_PointSetMath::minimum_enclosing_disc( const std::vector<CL_Pointf> &points )
{
CL_Circlef smalldisc;
if(points.size() == 0)
{
// ERROR !!!!
smalldisc.position = CL_Pointf(0.0, 0.0);
smalldisc.radius = 0.0;
}
else if(points.size() == 1)
{
smalldisc.position = points[0];
smalldisc.radius = 0.0;
}
else
{
int start = 0;
int end = points.size() - 1;
//TODO: random permutation of the vector...
// Calculate the disc
calculate_minimum_enclosing_disc(smalldisc, points, start, end);
}
return smalldisc;
}
CL_Pointf getRandomVec(const Range &direction, const Range &litude)
{
const float dir = direction.random();
const float amp = amplitude.random();
// it is more comfortable to have 90 degrees as "upwards":
return CL_Pointf(cos(degToRad(dir)), -1.0f * sin(degToRad(dir))) * amp;
}
CL_Pointf
ObjMapObject::get_pos() const
{
if (impl.get())
return impl->pos;
else
return CL_Pointf();
}
void CarImpl::init()
{
// build car contour for collision check
CL_Contour contour;
const int halfWidth = CAR_WIDTH / 2;
const int halfHeight = CAR_HEIGHT / 2;
contour.get_points().push_back(CL_Pointf(-halfWidth, halfHeight));
contour.get_points().push_back(CL_Pointf(halfWidth, halfHeight));
contour.get_points().push_back(CL_Pointf(halfWidth, -halfHeight));
contour.get_points().push_back(CL_Pointf(-halfWidth, -halfHeight));
m_phyCollisionOutline.get_contours().push_back(contour);
m_phyCollisionOutline.set_inside_test(true);
m_phyCollisionOutline.calculate_radius();
m_phyCollisionOutline.calculate_smallest_enclosing_discs();
}
Shadow::Shadow(World *world) : Ghost(world)
{
CL_Sizef fieldSize = world->getLevel()->getFieldSize();
//Startposition ist die rechte, obere Ecke
position = CL_Pointf(26 * fieldSize.width + fieldSize.width / 2, 1 * fieldSize.height + fieldSize.height / 2);
currentField = getIndices(position);
setBody("Shadow");
onFieldCenter();
}
CL_Pointf Level::getStartPosition(int p_num) const {
std::map<int, CL_Pointf>::const_iterator startPositionItor = m_startPositions.find(p_num);
if (startPositionItor != m_startPositions.end()) {
return startPositionItor->second;
} else {
return CL_Pointf(200, 200);
}
}
std::vector<CL_Pointf> CL_EarClipTriangulator_Impl::get_vertices()
{
std::vector<CL_Pointf> points;
for (unsigned int cnt = 0; cnt < vertices.size(); cnt++)
{
points.push_back( CL_Pointf(vertices[cnt]->x, vertices[cnt]->y));
}
return points;
}
bool CL_EarClipTriangulator_Impl::is_ear(const LinkedVertice &v)
{
if( is_reflex(v) ) return false;
CL_Trianglef triangle( CL_Pointf(v.x, v.y), CL_Pointf(v.next->x, v.next->y), CL_Pointf(v.previous->x, v.previous->y) );
LinkedVertice *v_check = v.next->next;
while( v_check != v.previous )
{
if( v_check == v.next || v_check == v.previous )
{
v_check = v_check->next;
continue;
}
if( triangle.point_inside( CL_Pointf(v_check->x, v_check->y) ) )
return false;
v_check = v_check->next;
}
return true;
}
void
WorkspaceMoveToolImpl::update(const CL_InputEvent& event)
{
GraphicContextState& gc_state = EditorMapComponent::current()->get_gc_state();
float sa = sin(-gc_state.get_rotation()/180.0f*M_PI);
float ca = cos(-gc_state.get_rotation()/180.0f*M_PI);
float dx = ca * (click_pos.x - event.mouse_pos.x) - sa * (click_pos.y - event.mouse_pos.y);
float dy = sa * (click_pos.x - event.mouse_pos.x) + ca * (click_pos.y - event.mouse_pos.y);
gc_state.set_pos(CL_Pointf(old_trans_offset.x
+ dx / EditorMapComponent::current()->get_gc_state().get_zoom(),
old_trans_offset.y
+ dy / EditorMapComponent::current()->get_gc_state().get_zoom()));
}
void Level::loadSandElement(const CL_DomNode &p_sandNode)
{
const CL_DomNodeList sandChildren = p_sandNode.get_child_nodes();
const int sandChildrenCount = sandChildren.get_length();
CL_DomNode sandChildNode, groupChildNode;
for (int i = 0; i < sandChildrenCount; ++i) {
sandChildNode = sandChildren.item(i);
if (sandChildNode.get_node_name() == "group") {
const CL_DomNodeList groupChildren = sandChildNode.get_child_nodes();
const int groupChildrenCount = groupChildren.get_length();
// create new sandpit
m_sandpits.push_back(Sandpit());
Sandpit &sandpit = m_sandpits.back();
for (int j = 0; j < groupChildrenCount; ++j) {
groupChildNode = groupChildren.item(j);
if (groupChildNode.get_node_name() == "circle") {
CL_DomNamedNodeMap attrs = groupChildNode.get_attributes();
const float x = CL_StringHelp::local8_to_float(attrs.get_named_item("x").get_node_value());
const float y = CL_StringHelp::local8_to_float(attrs.get_named_item("y").get_node_value());
const float radius = CL_StringHelp::local8_to_float(attrs.get_named_item("radius").get_node_value());
// add to sandpit
// must save as integer
const CL_Pointf centerFloat = real(CL_Pointf(x, y));
const CL_Point centerInt = CL_Point((int) floor(centerFloat.x), (int) floor(centerFloat.y));
sandpit.addCircle(centerInt, real(radius));
// m_resistanceMap.addGeometry(geom, 0.8f);
} else {
cl_log_event("error", "unknown element in <sand><group></group></sand>: <%1>", sandChildNode.get_node_name());
}
}
} else {
cl_log_event("error", "unknown element in <sand></sand>: <%1>", sandChildNode.get_node_name());
}
}
}
void ServerImpl::onClientConnected(CL_NetGameConnection *p_conn)
{
cl_log_event(LOG_EVENT, "player %1 is connected", (unsigned) p_conn);
Player player;
// set default car state
CL_NetGameEvent data("");
player.m_car->setPosition(CL_Pointf(-50.0f, -50.0f));
player.m_car->serialize(&data);
player.m_lastCarState.setSerializedData(data);
m_connections[p_conn] = player;
sendGameMode(p_conn);
}
void DialogScene::render()
{
Renderer::Ref renderer = m_manager->getRenderer();
CL_Sizef window = renderer->getGCSize();
// render underlying scene:
m_topScene->render();
// fade out a little:
CL_Rectf rcShadow = m_rcBub; rcShadow.translate(CL_Pointf(5.0f, 5.0f));
CL_Colorf bubColor = blendColors(getPhraseColor(m_newtype), getPhraseColor(m_oldtype), m_percent);
CL_Draw::fill(renderer->getGC(), rcShadow, CL_Colorf::black);
CL_Draw::fill(renderer->getGC(), m_rcBub, bubColor);
m_layout.draw_layout(renderer->getGC());
}
//Zeichnen
void HexMap::draw()
{
CL_GraphicContext gc = world->get_gc();
CL_Pointf positions[6];
CL_Pointf center;
float xPosition, yPosition;
CL_Colorf fieldColor;
//Höhe für Zeilen durchlaufen
for(int i = 0; i < mapHeight; ++i)
{
//Breite für Spalten durchlaufen
for(int j = 0; j < mapWidth; ++j)
{
xPosition = (float)(j * (hexagonWidth - indenting));
yPosition = (float)(hexagonHeight * i);
//Bei jeder zweiten Spalte muss das Hexagon um ein halbes Hexagon nach unten verschoben werden
if(j % 2 == 1)
yPosition += hexagonHeight / 2.0f;
//Eckpunkte des Hexagons setzen
positions[0] = CL_Pointf(xPosition + indenting, yPosition);
positions[1] = CL_Pointf(xPosition + hexagonWidth - indenting, yPosition);
positions[2] = CL_Pointf(xPosition + hexagonWidth, yPosition + hexagonHeight / 2.0f);
positions[3] = CL_Pointf(xPosition + hexagonWidth - indenting, yPosition + hexagonHeight);
positions[4] = CL_Pointf(xPosition + indenting, yPosition + hexagonHeight);
positions[5] = CL_Pointf(xPosition, yPosition + hexagonHeight / 2.0f);
//Mittelpunkt des Hexagons
center = CL_Pointf(xPosition + hexagonWidth / 2.0f, yPosition + hexagonHeight / 2.0f);
fieldColor = getColorOfFieldType(fields[i][j]);
//Eckpunkte durchlaufen und Linien und gefüllte Dreiecke zum Mittelpunkt hin zeichnen
for(int k = 0; k < 6; ++k)
{
CL_Draw::triangle(gc, positions[k], positions[(k+1)%6], center, fieldColor);
CL_Draw::line(gc, positions[k], positions[(k+1)%6], CL_Colorf::white);
}
}
}
}
CL_Pointf CL_BezierCurve_Impl::get_point_relative(float pos) const
{
// Perform deCasteljau iterations:
// (linear interpolate between the control points)
std::vector<CL_Pointf>::size_type j, N, i;
float a = pos;
float b = 1.0f - pos;
P = control_points;
N = control_points.size();
if (N == 0)
return CL_Pointf();
for (j = N-1; j > 0; j--)
{
for (i = 0; i < j; i++)
{
P[i].x = b*P[i].x + a*P[i+1].x;
P[i].y = b*P[i].y + a*P[i+1].y;
}
}
return P[0];
}
void PlayerList::draw(CL_GraphicContext &p_gc)
{
const Race::Level &level = m_impl->m_logic->getLevel();
const int carCount = level.getCarCount();
float h = 0.0f;
p_gc.mult_translate(m_impl->m_position.x, m_impl->m_position.y);
for (int i = 0; i < carCount; ++i) {
const Race::Car &car = level.getCar(i);
m_impl->m_label.setPosition(CL_Pointf(0, h));
m_impl->m_label.setText(cl_format("%1. %2", i + 1, m_impl->m_logic->getPlayer(car).getName())); // FIXME: not optimal
m_impl->m_label.draw(p_gc);
h += m_impl->m_labelHeight;
}
p_gc.pop_modelview();
}
float Level::getResistance(float p_realX, float p_realY)
{
return m_resistanceMap.resistance(CL_Pointf(p_realX, p_realY));
}
// return the midpoint on the line from A to B
CL_Pointf CL_LineMath::midpoint( const CL_Pointf &A, const CL_Pointf &B )
{
return CL_Pointf( (A.x+B.x)/2.0f, (A.y+B.y)/2.0f );
}
void CL_BezierCurve::add_control_point(float x, float y)
{
impl->control_points.push_back(CL_Pointf(x, y));
}
Checkpoint::Checkpoint() :
m_impl(new CheckpointImpl(0, CL_Pointf()))
{
// empty
}
DrawingContext::DrawingContext()
{
translate_stack.push_back(CL_Pointf(0, 0));
}
void
DrawingContext::reset_modelview()
{
translate_stack.clear();
translate_stack.push_back(CL_Pointf(0, 0));
}
void CL_EarClipTriangulator_Impl::end_hole()
{
create_lists(false);
target_array = &vertices;
// To be able to triangulate holes the inner and outer vertice arrays are connected
// so that there isn't actually any hole, just a single polygon with a small gap
// eliminating the hole.
//
// 1. find point on inner contour closest to a vertice on the outer contour.
//
// 2. Create bridge start and end points by offsetting the new vertices a bit along the edges to the next and prev vertices.
//
LinkedVertice *outer_vertice = 0;
LinkedVertice *segment_start;
LinkedVertice *segment_end;
CL_Pointf inner_point;
float inner_point_rel;
float distance = FLT_MAX;
for (unsigned int vertex_cnt = 0; vertex_cnt < vertices.size(); vertex_cnt++)
{
CL_Pointf tmp_outer_point = CL_Pointf(vertices[vertex_cnt]->x,vertices[vertex_cnt]->y);
for (unsigned int hole_cnt = 0; hole_cnt < hole.size(); hole_cnt++)
{
CL_Pointf tmp_line_start(hole[hole_cnt]->x, hole[hole_cnt]->y);
CL_Pointf tmp_line_end(hole[hole_cnt]->next->x, hole[hole_cnt]->next->y);
CL_Pointf tmp_inner_point = CL_LineMath::closest_point(tmp_outer_point, tmp_line_start, tmp_line_end);
float tmp_distance = tmp_inner_point.distance(tmp_outer_point);
if( tmp_distance < distance )
{
inner_point_rel = CL_LineMath::closest_point_relative(tmp_outer_point, tmp_line_start, tmp_line_end);
distance = tmp_distance;
outer_vertice = vertices[vertex_cnt];
inner_point = tmp_inner_point;
segment_start = hole[hole_cnt];
segment_end = hole[hole_cnt]->next;
}
}
}
LinkedVertice *outer_bridge_start = new LinkedVertice();
LinkedVertice *outer_bridge_end = new LinkedVertice();
LinkedVertice *inner_bridge_start = new LinkedVertice();
LinkedVertice *inner_bridge_end = new LinkedVertice();
// offset new points along old edges
CL_Pointf outer_point(outer_vertice->x, outer_vertice->y);
set_bridge_vertice_offset( outer_bridge_start, outer_point, 0.0, outer_vertice, outer_vertice->previous, 1 );
set_bridge_vertice_offset( outer_bridge_end, outer_point, 0.0, outer_vertice, outer_vertice->next, 1 );
set_bridge_vertice_offset( inner_bridge_start, inner_point, inner_point_rel, segment_start, segment_end, 1 );
set_bridge_vertice_offset( inner_bridge_end, inner_point, inner_point_rel, segment_start, segment_end, -1 );
// update next pointers to ignore old vertices
// connections between inner and outer contours
outer_bridge_start->next = inner_bridge_start;
inner_bridge_end->next = outer_bridge_end;
// connections between new and old vertices: outer contour
outer_bridge_end->next = outer_vertice->next;
outer_vertice->previous->next = outer_bridge_start;
// connections between new and old vertices: inner contour
inner_bridge_start->next = segment_end;
segment_start->next = inner_bridge_end;
delete outer_vertice;
outer_vertice = 0;
if( inner_point_rel == 0.0 ) // if split point is at line end, remove inner vertex
{
segment_start->previous->next = inner_bridge_end;
delete segment_start;
segment_start = 0;
}
if( inner_point_rel == 1.0 ) // if split point is at line end, remove inner vertex
{
inner_bridge_start->next = segment_end->next;
delete segment_end;
segment_end = 0;
}
hole.clear();
// rebuild the vector...
vertices.clear();
LinkedVertice *test = inner_bridge_start;
do
{
vertices.push_back(test);
test = test->next;
} while( test != inner_bridge_start );
// print the bridge start and end points:
/* cl_write_console_line("outer_point: %1 %2", outer_point.x, outer_point.y );
cl_write_console_line("inner_point: %1 %2", inner_point.x, inner_point.y );
cl_write_console_line("inner_bridge_end: %1 %2", inner_bridge_end->x, inner_bridge_end->y );
cl_write_console_line("outer_bridge_end: %1 %2", outer_bridge_end->x, outer_bridge_end->y );
cl_write_console_line("inner_bridge_start: %1 %2", inner_bridge_start->x, inner_bridge_start->y );
cl_write_console_line("outer_bridge_start: %1 %2", outer_bridge_start->x, outer_bridge_start->y );
*/
}
