////  RenderableBoxEntityItem.cpp//  interface/src////  Created by Brad Hefta-Gaub on 8/6/14.//  Copyright 2014 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include <glm/gtx/quaternion.hpp> #include <FBXReader.h> #include "InterfaceConfig.h" #include <BoxEntityItem.h>#include <ModelEntityItem.h>#include <PerfStat.h>  #include "Menu.h"#include "EntityTreeRenderer.h"#include "RenderableBoxEntityItem.h"  EntityItem* RenderableBoxEntityItem::factory(const EntityItemID& entityID, const EntityItemProperties& properties) {    return new RenderableBoxEntityItem(entityID, properties);} void RenderableBoxEntityItem::render(RenderArgs* args) {    PerformanceTimer perfTimer("RenderableBoxEntityItem::render");    assert(getType() == EntityTypes::Box);    glm::vec3 position = getPositionInMeters();    glm::vec3 center = getCenter() * (float)TREE_SCALE;    glm::vec3 dimensions = getDimensions() * (float)TREE_SCALE;    glm::vec3 halfDimensions = dimensions / 2.0f;    glm::quat rotation = getRotation();     const bool useGlutCube = true;    const float MAX_COLOR = 255.0f;     if (useGlutCube) {        glColor4f(getColor()[RED_INDEX] / MAX_COLOR, getColor()[GREEN_INDEX] / MAX_COLOR,                         getColor()[BLUE_INDEX] / MAX_COLOR, getLocalRenderAlpha());         glPushMatrix();            glTranslatef(position.x, position.y, position.z);            glm::vec3 axis = glm::axis(rotation);            glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);            glPushMatrix();                glm::vec3 positionToCenter = center - position;                glTranslatef(positionToCenter.x, positionToCenter.y, positionToCenter.z);                glScalef(dimensions.x, dimensions.y, dimensions.z);                Application::getInstance()->getDeferredLightingEffect()->renderSolidCube(1.0f);            glPopMatrix();        glPopMatrix();    } else {        static GLfloat vertices[] = { 1, 1, 1,  -1, 1, 1,  -1,-1, 1,   1,-1, 1,   // v0,v1,v2,v3 (front)                                      1, 1, 1,   1,-1, 1,   1,-1,-1,   1, 1,-1,   // v0,v3,v4,v5 (right)                                      1, 1, 1,   1, 1,-1,  -1, 1,-1,  -1, 1, 1,   // v0,v5,v6,v1 (top)                                     -1, 1, 1,  -1, 1,-1,  -1,-1,-1,  -1,-1, 1,   // v1,v6,v7,v2 (left)                                     -1,-1,-1,   1,-1,-1,   1,-1, 1,  -1,-1, 1,   // v7,v4,v3,v2 (bottom)                                      1,-1,-1,  -1,-1,-1,  -1, 1,-1,   1, 1,-1 }; // v4,v7,v6,v5 (back)         // normal array        static GLfloat normals[]  = { 0, 0, 1,   0, 0, 1,   0, 0, 1,   0, 0, 1,   // v0,v1,v2,v3 (front)                                    1, 0, 0,   1, 0, 0,   1, 0, 0,   1, 0, 0,   // v0,v3,v4,v5 (right)                                    0, 1, 0,   0, 1, 0,   0, 1, 0,   0, 1, 0,   // v0,v5,v6,v1 (top)                                   -1, 0, 0,  -1, 0, 0,  -1, 0, 0,  -1, 0, 0,   // v1,v6,v7,v2 (left)                                    0,-1, 0,   0,-1, 0,   0,-1, 0,   0,-1, 0,   // v7,v4,v3,v2 (bottom)                                    0, 0,-1,   0, 0,-1,   0, 0,-1,   0, 0,-1 }; // v4,v7,v6,v5 (back)         // index array of vertex array for glDrawElements() & glDrawRangeElement()        static GLubyte indices[]  = { 0, 1, 2,   2, 3, 0,      // front                                      4, 5, 6,   6, 7, 4,      // right                                      8, 9,10,  10,11, 8,      // top                                     12,13,14,  14,15,12,      // left                                     16,17,18,  18,19,16,      // bottom                                     20,21,22,  22,23,20 };    // back           glEnableClientState(GL_NORMAL_ARRAY);        glEnableClientState(GL_VERTEX_ARRAY);        glNormalPointer(GL_FLOAT, 0, normals);        glVertexPointer(3, GL_FLOAT, 0, vertices);         glColor4f(getColor()[RED_INDEX] / MAX_COLOR, getColor()[GREEN_INDEX] / MAX_COLOR,                         getColor()[BLUE_INDEX] / MAX_COLOR, getLocalRenderAlpha());                Application::getInstance()->getDeferredLightingEffect()->bindSimpleProgram();                glPushMatrix();            glTranslatef(position.x, position.y, position.z);            glm::vec3 axis = glm::axis(rotation);            glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);            glPushMatrix();                glm::vec3 positionToCenter = center - position;                glTranslatef(positionToCenter.x, positionToCenter.y, positionToCenter.z);                // we need to do half the size because the geometry in the VBOs are from -1,-1,-1 to 1,1,1                 glScalef(halfDimensions.x, halfDimensions.y, halfDimensions.z);                glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices);            glPopMatrix();        glPopMatrix();         Application::getInstance()->getDeferredLightingEffect()->releaseSimpleProgram();                glDisableClientState(GL_VERTEX_ARRAY);  // disable vertex arrays        glDisableClientState(GL_NORMAL_ARRAY);    }    };