ParticleEngine::ParticleEngine() {
// Seed random generator
srand(time(0));
// Load particle images
loadParticles();
}
void TwoDSceneXMLParser::loadSceneFromXML( const std::string& filename, TwoDScene& twodscene, SceneStepper** scenestepper, scalar& dt, scalar& max_t, scalar& maxfreq, std::vector<renderingutils::Color>& particle_colors, std::vector<renderingutils::Color>& edge_colors, std::vector<renderingutils::ParticlePath>& particle_paths, renderingutils::Color& bgcolor, std::string& description, std::string& scenetag, TwoDimensionalDisplayController& display)
{
assert( *scenestepper == NULL );
//std::cout << "Loading scene: " << filename << std::endl;
// Load the xml document
std::vector<char> xmlchars;
rapidxml::xml_document<> doc;
loadXMLFile( filename, xmlchars, doc );
// Attempt to locate the root node
rapidxml::xml_node<>* node = doc.first_node("scene");
if( node == NULL )
{
std::cerr << "\033[31;1mERROR IN XMLSCENEPARSER:\033[m Failed to parse xml scene file. Failed to locate root <scene> node. Exiting." << std::endl;
exit(1);
}
// TODO: Clear old state
// Camera
loadCameraLocation(node, display);
// Scene
loadParticles( node, twodscene );
loadEdges( node, twodscene );
loadSceneTag( node, scenetag );
// Forces
loadSpringForces( node, twodscene );
loadSimpleGravityForces( node, twodscene );
loadGravitationalForces( node, twodscene );
loadDragDampingForces( node, twodscene );
loadVorexForces( node, twodscene );
// Integrator/solver
loadIntegrator( node, scenestepper, dt );
loadMaxTime( node, max_t );
// UI
loadMaxSimFrequency( node, maxfreq );
// Rendering state
particle_colors.resize(twodscene.getNumParticles(),renderingutils::Color(0.650980392156863,0.294117647058824,0.0));
loadParticleColors( node, particle_colors );
edge_colors.resize(twodscene.getNumEdges(),renderingutils::Color(0.0,0.388235294117647,0.388235294117647));
loadEdgeColors( node, edge_colors );
loadBackgroundColor( node, bgcolor );
loadParticlePaths( node, dt, particle_paths );
std::string description_string;
loadSceneDescriptionString( node, description );
}
/*
* Initializes all the game engine components
*/
void Game::initSystems() {
//Create an Opengl window using SDL
_window.create(_windowTitle, _screenWidth, _screenHeight, 0);
//Compile and Link shader
initShaders();
//Set up the openGL buffers
_openGLBuffers.initializeBuffers(_colorProgram);
//Load the current scenario
_gameElements.loadGameElements("./resources/scene2D.txt");
_gameElements.loadBasic3DObjects();
loadParticles();
Ke = 800.0f;
Kd = 8.0f;
_planeBottom.setPointNormal(glm::vec3(0.0f, -3.0f, 0.0f), glm::vec3(0.0f, -1.0f, 0.0f));
_planeRight.setPointNormal(glm::vec3(3.0f, 0.0f, 0.0f), glm::vec3(1.0f, 0.0f, 0.0f));
//_planeLeft.setPointNormal(glm::vec3(-4.0f, 0.0f, 0.0f), glm::vec3(-1.0f, 0.0f, 0.0f));
//_planeTop.setPointNormal(glm::vec3(0.0f, 3.0f, 0.0f), glm::vec3(0.0f, 1.0f, 0.0f));
}
InfoWidgetMsh::InfoWidgetMsh(Particles *part,QWidget *parent) : QGroupBox("Meshes",parent){
setCheckable(true);
setChecked(false);
setEnabled(false);
nbMeshes = 0;
mSpec = NULL;
activeMeshBx = new QCheckBox();
meshBx = new QComboBox;
wireBx = new QCheckBox("Wired mesh");
wireBt = new QPushButton("Apply to all");
cullBackFaceBx = new QCheckBox("Cull back face");
cullBackFaceBt = new QPushButton("Apply to all");
QObject::connect(activeMeshBx,SIGNAL(clicked(bool)),this,SLOT(changeActiveMesh(bool)));
QObject::connect(meshBx,SIGNAL(currentIndexChanged(int)),this,SLOT(setMesh(int)));
QObject::connect(wireBx,SIGNAL(clicked(bool)),this,SLOT(changeShowWires(bool)));
QObject::connect(wireBt,SIGNAL(pressed()),this,SLOT(changeAllShowWires()));
QObject::connect(cullBackFaceBx,SIGNAL(clicked(bool)),this,SLOT(changeCullBackFace(bool)));
QObject::connect(cullBackFaceBt,SIGNAL(pressed()),this,SLOT(changeAllCullBackFace()));
QVBoxLayout *vLayout = new QVBoxLayout;
QHBoxLayout *hLayout = new QHBoxLayout;
hLayout->addWidget(activeMeshBx);
hLayout->addWidget(meshBx);
hLayout->setStretchFactor(meshBx,1);
vLayout->addLayout(hLayout);
QGridLayout *gLayout = new QGridLayout;
gLayout->setColumnStretch(0,1);
gLayout->addWidget(wireBx,0,0);
gLayout->addWidget(wireBt,0,1);
gLayout->addWidget(cullBackFaceBx,1,0);
gLayout->addWidget(cullBackFaceBt,1,1);
vLayout->addLayout(gLayout);
setLayout(vLayout);
loadParticles(part);
}
void loadAssets()
{
loadParticles();
loadPlane();
pstack.push(glm::perspective(45.0f,
(GLfloat)window.GetWidth()/window.GetHeight(), 0.1f, 175.0f));
mstack.push(glm::lookAt(vec3(0, 2.7, 7), vec3(0, 2.4, 6), vec3(0, 1, 0)));
// Load terrain shader
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-vert.glsl",
GLSLShader::VERTEX)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-frag.glsl",
GLSLShader::FRAGMENT)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-tc.glsl",
GLSLShader::TESS_CONTROL)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "terrain-te.glsl",
GLSLShader::TESS_EVALUATION)) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
if (!g_program.link()) {
fprintf(stderr, "%s\n", g_program.log().c_str());
exit(1);
}
// Load plane shader
if (!d_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "default-vert.glsl",
GLSLShader::VERTEX)) {
fprintf(stderr, "%s\n", d_program.log().c_str());
exit(1);
}
if (!d_program.compileShaderFromFile(
ROOT_PATH_RELATIVE SHADER_DIR "default-frag.glsl",
GLSLShader::FRAGMENT)) {
fprintf(stderr, "%s\n", d_program.log().c_str());
exit(1);
}
const char *outputNames[] = { "Position" };
glTransformFeedbackVaryings(d_program.getHandle(), 1, outputNames, GL_SEPARATE_ATTRIBS);
if (!d_program.link()) {
fprintf(stderr, "%s\n", d_program.log().c_str());
exit(1);
}
g_program.use();
g_program.setUniform("Viewport", viewport);
g_program.setUniform("MinTessLevel", 1.0f);
g_program.setUniform("MaxTessLevel", max_tess);
//g_program.setUniform("MaxTessLevel", 20.0f);
g_program.setUniform("NearClip", 0.1f);
g_program.setUniform("FarClip", 175.0f);
g_program.setUniform("NearFog", 10.0f);
g_program.setUniform("FarFog", 125.0f);
g_program.setUniform("Light0.position", vec3(L0POSITION));
g_program.setUniform("Light0.La", vec3(L0AMBIENT));
g_program.setUniform("Light0.Ld", vec3(L0DIFFUSE));
GLuint terrainmap = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "heightmap-vlarge.png",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint watermap = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "watermap.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex1 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "grass.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex2 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "stonesnow.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex3 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "water.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint ttex4 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "foam.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint nmap1 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "normalmap-vlarge.png",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint nmap2 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "watermap_NRM.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
GLuint omap1 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "occmap-vlarge.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
omap2 = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "watermap_OCC.jpg",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
plane = SOIL_load_OGL_texture (
ROOT_PATH_RELATIVE TEXTURE_DIR "F16_diffusemap2.tga",
SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_LOAD_L );
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, terrainmap);
g_program.setUniform("TerrainMap", 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, watermap);
g_program.setUniform("WaterMap", 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, ttex1);
g_program.setUniform("TTex1", 2);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, ttex2);
g_program.setUniform("TTex2", 3);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, ttex3);
g_program.setUniform("TTex3", 4);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, ttex4);
g_program.setUniform("TTex4", 5);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, nmap1);
g_program.setUniform("NMap1", 6);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, nmap2);
g_program.setUniform("NMap2", 7);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE8);
glBindTexture(GL_TEXTURE_2D, omap1);
g_program.setUniform("OMap1", 8);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D, omap2);
g_program.setUniform("OMap2", 9);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
d_program.use();
plv = glGetSubroutineIndex(d_program.getHandle(), GL_VERTEX_SHADER, "RenderPlane");
plf = glGetSubroutineIndex(d_program.getHandle(), GL_FRAGMENT_SHADER, "RenderPlane");
pav = glGetSubroutineIndex(d_program.getHandle(), GL_VERTEX_SHADER, "RenderParticles");
paf = glGetSubroutineIndex(d_program.getHandle(), GL_FRAGMENT_SHADER, "RenderParticles");
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D, plane);
d_program.setUniform("PlaneTex", 9);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
d_program.setUniform("Light0.position", vec3(L0POSITION));
d_program.setUniform("Light0.La", vec3(L0AMBIENT));
d_program.setUniform("Light0.Ld", vec3(L0DIFFUSE));
loadLand(156, 100);
}
