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