diff options
Diffstat (limited to 'scene.cpp')
| -rw-r--r-- | scene.cpp | 83 |
1 files changed, 82 insertions, 1 deletions
@@ -39,11 +39,20 @@ Scene::Scene() { glUniform1i(markloc, 3); glUseProgram(0); + GLFragmentShader selection_fragment("shaders/selection_fragment.glsl"); + GLVertexShader selection_vertex("shaders/selection_vertex.glsl"); + selection_program.attach(selection_fragment); + selection_program.attach(selection_vertex); + selection_program.link(); + + selection_particles = NULL; + /* load textures */ grass_texture = load_texture("textures/zooboing-366-grass.jpg"); rock_texture = load_texture("textures/zooboing-825-stone-modified.jpg"); soil_texture = load_texture("textures/zooboing-469-sand-modified.jpg"); marker_texture = load_texture("textures/cross.png"); + circle_texture = load_texture("textures/circle.png"); /* load heightmap */ SDL_Surface *hm = IMG_Load("heightmap.png"); @@ -200,8 +209,11 @@ void Scene::events() { case SDL_BUTTON_RIGHT: if(dialog) CEGUI::System::getSingleton().injectMouseButtonUp(CEGUI::RightButton); - else + else { show_selection = false; + delete selection_particles; + selection_particles = NULL; + } break; case SDL_BUTTON_WHEELUP: if(dialog) @@ -397,6 +409,71 @@ void Scene::render() { do_select = false; selected = Vector3(px, py, pz); show_selection = true; + if(selection_particles) + delete selection_particles; + selection_particles = new ParticleGroup<SelectionParticle>(selected, Vector3(0, 1, 0), 1000); + } + + float pdist; + if(selection_particles && (pdist = (selected.xz() - pos.xz()).length()) < 100) { + Quadtree::QuadNode *node = qt->find(selected.x, selected.z); + selected.y = node->get_height(selected.x, selected.z); + selection_particles->src = selected; + glPushMatrix(); + glTranslatef(selection_particles->src.x, selection_particles->src.y, selection_particles->src.z); + GLdouble m[16]; + glGetDoublev(GL_MODELVIEW_MATRIX, m); + Vector3 up(m[0], m[4], m[8]); + Vector3 right(m[1], m[5], m[9]); + GLdouble temp[3] = {m[3], m[7], m[11]}; + m[3] = m[12]; + m[7] = m[13]; + m[11] = m[14]; + m[12] = temp[0]; + m[13] = temp[1]; + m[14] = temp[2]; + m[0] = 1; m[4] = 0; m[8] = 0; + m[1] = 0; m[5] = 1; m[9] = 0; + m[2] = 0; m[6] = 0; m[10] = 1; + //glLoadMatrixd(m); + //glRotatef(yaw*180/M_PI, 0, 1, 0); + //glTranslatef(selection_particles->src.x, selection_particles->src.y, selection_particles->src.z); + //glRotatef(-yaw*180/M_PI, 0, 1, 0); + //glRotatef(-yaw*180/M_PI+90, 0, 1, 0); + + glDepthMask(GL_FALSE); + selection_particles->update(steps); + selection_program.use(); + GLint dist = glGetUniformLocation(selection_program.get_program(), "dist"); + glUniform1f(dist, pdist); + glPointSize(100); + const GLfloat att[3] = {1, .01, 0}; + glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, att); + glEnable(GL_VERTEX_PROGRAM_POINT_SIZE); + glEnable(GL_POINT_SPRITE); + glEnable(GL_BLEND); + //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + //glBlendFunc(GL_SRC_ALPHA, GL_DST_ALPHA); + glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, circle_texture); + glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE); + glVertexPointer(4, GL_FLOAT, 0, selection_particles->vertices); + glEnableClientState(GL_VERTEX_ARRAY); + glDrawArrays(GL_POINTS, 0, selection_particles->count); + glDisableClientState(GL_VERTEX_ARRAY); + //glBegin(GL_QUADS); + /*glBegin(GL_POINTS); + for(std::list<Particle>::iterator it = selection_particles->particles.begin(); it != selection_particles->particles.end(); it++) { + glColor4f(1, 1, 1, it->alpha); + glVertex3f(it->pos.x, it->pos.y, it->pos.z); + } + glEnd();*/ + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); + glUseProgram(0); + glDepthMask(GL_TRUE); + glPopMatrix(); } video::ortho(); @@ -413,6 +490,10 @@ void Scene::render() { font->Render(move_str.c_str()); glTranslatef(0, -height, 0); font->Render(selected.str().c_str()); + if(selection_particles) { + glTranslatef(0, -height, 0); + font->Render((boost::format("particles: %d") % selection_particles->count).str().c_str()); + } /*if(selected) { glTranslatef(0, height, 0); //font->Render((boost::format("(%s %s %s %s)") % selected->a->str() % selected->b->str() % selected->c->str() % selected->d->str()).str().c_str()); |