//
// NodeBounds.cpp
// interface/src/ui
//
// Created by Ryan Huffman on 05/14/14.
// Copyright 2014 High Fidelity, Inc.
//
// This class draws a border around the different Voxel, Entity nodes on the current domain,
// and a semi-transparent cube around the currently mouse-overed node.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "Application.h"
#include "Util.h"
#include "NodeBounds.h"
NodeBounds::NodeBounds(QObject* parent) :
QObject(parent),
_showVoxelNodes(false),
_showEntityNodes(false),
_overlayText() {
}
void NodeBounds::draw() {
if (!(_showVoxelNodes || _showEntityNodes)) {
_overlayText[0] = '\0';
return;
}
NodeToJurisdictionMap& voxelServerJurisdictions = Application::getInstance()->getVoxelServerJurisdictions();
NodeToJurisdictionMap& entityServerJurisdictions = Application::getInstance()->getEntityServerJurisdictions();
NodeToJurisdictionMap* serverJurisdictions;
// Compute ray to find selected nodes later on. We can't use the pre-computed ray in Application because it centers
// itself after the cursor disappears.
Application* application = Application::getInstance();
GLCanvas* glWidget = application->getGLWidget();
float mouseX = application->getMouseX() / (float)glWidget->width();
float mouseY = application->getMouseY() / (float)glWidget->height();
glm::vec3 mouseRayOrigin;
glm::vec3 mouseRayDirection;
application->getViewFrustum()->computePickRay(mouseX, mouseY, mouseRayOrigin, mouseRayDirection);
// Variables to keep track of the selected node and properties to draw the cube later if needed
Node* selectedNode = NULL;
float selectedDistance = FLT_MAX;
bool selectedIsInside = true;
glm::vec3 selectedCenter;
float selectedScale = 0;
NodeList* nodeList = NodeList::getInstance();
nodeList->eachNode([&](const SharedNodePointer& node){
NodeType_t nodeType = node->getType();
if (nodeType == NodeType::VoxelServer && _showVoxelNodes) {
serverJurisdictions = &voxelServerJurisdictions;
} else if (nodeType == NodeType::EntityServer && _showEntityNodes) {
serverJurisdictions = &entityServerJurisdictions;
} else {
return;
}
QUuid nodeUUID = node->getUUID();
serverJurisdictions->lockForRead();
if (serverJurisdictions->find(nodeUUID) != serverJurisdictions->end()) {
const JurisdictionMap& map = (*serverJurisdictions)[nodeUUID];
unsigned char* rootCode = map.getRootOctalCode();
if (rootCode) {
VoxelPositionSize rootDetails;
voxelDetailsForCode(rootCode, rootDetails);
serverJurisdictions->unlock();
glm::vec3 location(rootDetails.x, rootDetails.y, rootDetails.z);
location *= (float)TREE_SCALE;
AACube serverBounds(location, rootDetails.s * TREE_SCALE);
glm::vec3 center = serverBounds.getVertex(BOTTOM_RIGHT_NEAR)
+ ((serverBounds.getVertex(TOP_LEFT_FAR) - serverBounds.getVertex(BOTTOM_RIGHT_NEAR)) / 2.0f);
const float VOXEL_NODE_SCALE = 1.00f;
const float ENTITY_NODE_SCALE = 0.99f;
float scaleFactor = rootDetails.s * TREE_SCALE;
// Scale by 0.92 - 1.00 depending on the scale of the node. This allows smaller nodes to scale in
// a bit and not overlap larger nodes.
scaleFactor *= 0.92 + (rootDetails.s * 0.08);
// Scale different node types slightly differently because it's common for them to overlap.
if (nodeType == NodeType::VoxelServer) {
scaleFactor *= VOXEL_NODE_SCALE;
} else if (nodeType == NodeType::EntityServer) {
scaleFactor *= ENTITY_NODE_SCALE;
}
float red, green, blue;
getColorForNodeType(nodeType, red, green, blue);
drawNodeBorder(center, scaleFactor, red, green, blue);
float distance;
BoxFace face;
bool inside = serverBounds.contains(mouseRayOrigin);
bool colliding = serverBounds.findRayIntersection(mouseRayOrigin, mouseRayDirection, distance, face);
// If the camera is inside a node it will be "selected" if you don't have your cursor over another node
// that you aren't inside.
if (colliding && (!selectedNode || (!inside && (distance < selectedDistance || selectedIsInside)))) {
selectedNode = node.data();
selectedDistance = distance;
selectedIsInside = inside;
selectedCenter = center;
selectedScale = scaleFactor;
}
} else {
serverJurisdictions->unlock();
}
} else {
serverJurisdictions->unlock();
}
});
if (selectedNode) {
glPushMatrix();
glTranslatef(selectedCenter.x, selectedCenter.y, selectedCenter.z);
glScalef(selectedScale, selectedScale, selectedScale);
float red, green, blue;
getColorForNodeType(selectedNode->getType(), red, green, blue);
glColor4f(red, green, blue, 0.2f);
glutSolidCube(1.0);
glPopMatrix();
HifiSockAddr addr = selectedNode->getPublicSocket();
QString overlay = QString("%1:%2 %3ms")
.arg(addr.getAddress().toString())
.arg(addr.getPort())
.arg(selectedNode->getPingMs())
.left(MAX_OVERLAY_TEXT_LENGTH);
// Ideally we'd just use a QString, but I ran into weird blinking issues using
// constData() directly, as if the data was being overwritten.
strcpy(_overlayText, overlay.toLocal8Bit().constData());
} else {
_overlayText[0] = '\0';
}
}
void NodeBounds::drawNodeBorder(const glm::vec3& center, float scale, float red, float green, float blue) {
glPushMatrix();
glTranslatef(center.x, center.y, center.z);
glScalef(scale, scale, scale);
glLineWidth(2.5);
glColor3f(red, green, blue);
glBegin(GL_LINES);
glVertex3f(-0.5, -0.5, -0.5);
glVertex3f( 0.5, -0.5, -0.5);
glVertex3f(-0.5, -0.5, -0.5);
glVertex3f(-0.5, 0.5, -0.5);
glVertex3f(-0.5, -0.5, -0.5);
glVertex3f(-0.5, -0.5, 0.5);
glVertex3f(-0.5, 0.5, -0.5);
glVertex3f( 0.5, 0.5, -0.5);
glVertex3f(-0.5, 0.5, -0.5);
glVertex3f(-0.5, 0.5, 0.5);
glVertex3f( 0.5, 0.5, 0.5);
glVertex3f(-0.5, 0.5, 0.5);
glVertex3f( 0.5, 0.5, 0.5);
glVertex3f( 0.5, -0.5, 0.5);
glVertex3f( 0.5, 0.5, 0.5);
glVertex3f( 0.5, 0.5, -0.5);
glVertex3f( 0.5, -0.5, 0.5);
glVertex3f(-0.5, -0.5, 0.5);
glVertex3f( 0.5, -0.5, 0.5);
glVertex3f( 0.5, -0.5, -0.5);
glVertex3f( 0.5, 0.5, -0.5);
glVertex3f( 0.5, -0.5, -0.5);
glVertex3f(-0.5, 0.5, 0.5);
glVertex3f(-0.5, -0.5, 0.5);
glEnd();
glPopMatrix();
}
void NodeBounds::getColorForNodeType(NodeType_t nodeType, float& red, float& green, float& blue) {
red = nodeType == NodeType::VoxelServer ? 1.0 : 0.0;
green = 0.0;
blue = nodeType == NodeType::EntityServer ? 1.0 : 0.0;
}
void NodeBounds::drawOverlay() {
if (strlen(_overlayText) > 0) {
Application* application = Application::getInstance();
const float TEXT_COLOR[] = { 0.90f, 0.90f, 0.90f };
const float TEXT_SCALE = 0.1f;
const int TEXT_HEIGHT = 10;
const float ROTATION = 0.0f;
const int FONT = 2;
const int PADDING = 10;
const int MOUSE_OFFSET = 10;
const int BACKGROUND_BEVEL = 3;
int mouseX = application->getMouseX(),
mouseY = application->getMouseY(),
textWidth = widthText(TEXT_SCALE, 0, _overlayText);
glColor4f(0.4f, 0.4f, 0.4f, 0.6f);
renderBevelCornersRect(mouseX + MOUSE_OFFSET, mouseY - TEXT_HEIGHT - PADDING,
textWidth + (2 * PADDING), TEXT_HEIGHT + (2 * PADDING), BACKGROUND_BEVEL);
drawText(mouseX + MOUSE_OFFSET + PADDING, mouseY, TEXT_SCALE, ROTATION, FONT, _overlayText, TEXT_COLOR);
}
}