/*************************************************************************/ /* camera.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "camera.h" #include "camera_matrix.h" #include "scene/resources/material.h" #include "scene/resources/surface_tool.h" void Camera::_update_audio_listener_state() { } void Camera::_request_camera_update() { _update_camera(); } void Camera::_update_camera_mode() { force_change=true; switch(mode) { case PROJECTION_PERSPECTIVE: { set_perspective(fov,near,far); } break; case PROJECTION_ORTHOGONAL: { set_orthogonal(size,near,far); } break; } } bool Camera::_set(const StringName& p_name, const Variant& p_value) { bool changed_all=false; if (p_name=="projection") { int proj = p_value; if (proj==PROJECTION_PERSPECTIVE) mode=PROJECTION_PERSPECTIVE; if (proj==PROJECTION_ORTHOGONAL) mode=PROJECTION_ORTHOGONAL; changed_all=true; } else if (p_name=="fov" || p_name=="fovy" || p_name=="fovx") fov=p_value; else if (p_name=="size" || p_name=="sizex" || p_name=="sizey") size=p_value; else if (p_name=="near") near=p_value; else if (p_name=="far") far=p_value; else if (p_name=="keep_aspect") set_keep_aspect_mode(KeepAspect(int(p_value))); else if (p_name=="vaspect") set_keep_aspect_mode(p_value?KEEP_WIDTH:KEEP_HEIGHT); else if (p_name=="h_offset") h_offset=p_value; else if (p_name=="v_offset") v_offset=p_value; else if (p_name=="current") { if (p_value.operator bool()) { make_current(); } else { clear_current(); } } else if (p_name=="cull_mask") { set_cull_mask(p_value); } else if (p_name=="environment") { set_environment(p_value); } else return false; _update_camera_mode(); if (changed_all) _change_notify(); return true; } bool Camera::_get(const StringName& p_name,Variant &r_ret) const { if (p_name=="projection") { r_ret= mode; } else if (p_name=="fov" || p_name=="fovy" || p_name=="fovx") r_ret= fov; else if (p_name=="size" || p_name=="sizex" || p_name=="sizey") r_ret= size; else if (p_name=="near") r_ret= near; else if (p_name=="far") r_ret= far; else if (p_name=="keep_aspect") r_ret= int(keep_aspect); else if (p_name=="current") { if (is_inside_tree() && get_tree()->is_node_being_edited(this)) { r_ret=current; } else { r_ret=is_current(); } } else if (p_name=="cull_mask") { r_ret=get_cull_mask(); } else if (p_name=="h_offset") { r_ret=get_h_offset(); } else if (p_name=="v_offset") { r_ret=get_v_offset(); } else if (p_name=="environment") { r_ret=get_environment(); } else return false; return true; } void Camera::_get_property_list( List *p_list) const { p_list->push_back( PropertyInfo( Variant::INT, "projection", PROPERTY_HINT_ENUM, "Perspective,Orthogonal") ); switch(mode) { case PROJECTION_PERSPECTIVE: { p_list->push_back( PropertyInfo( Variant::REAL, "fov" , PROPERTY_HINT_RANGE, "1,179,0.1",PROPERTY_USAGE_NOEDITOR) ); if (keep_aspect==KEEP_WIDTH) p_list->push_back( PropertyInfo( Variant::REAL, "fovx" , PROPERTY_HINT_RANGE, "1,179,0.1",PROPERTY_USAGE_EDITOR) ); else p_list->push_back( PropertyInfo( Variant::REAL, "fovy" , PROPERTY_HINT_RANGE, "1,179,0.1",PROPERTY_USAGE_EDITOR) ); } break; case PROJECTION_ORTHOGONAL: { p_list->push_back( PropertyInfo( Variant::REAL, "size" , PROPERTY_HINT_RANGE, "1,16384,0.01",PROPERTY_USAGE_NOEDITOR ) ); if (keep_aspect==KEEP_WIDTH) p_list->push_back( PropertyInfo( Variant::REAL, "sizex" , PROPERTY_HINT_RANGE, "0.1,16384,0.01",PROPERTY_USAGE_EDITOR) ); else p_list->push_back( PropertyInfo( Variant::REAL, "sizey" , PROPERTY_HINT_RANGE, "0.1,16384,0.01",PROPERTY_USAGE_EDITOR) ); } break; } p_list->push_back( PropertyInfo( Variant::REAL, "near" , PROPERTY_HINT_EXP_RANGE, "0.01,4096.0,0.01") ); p_list->push_back( PropertyInfo( Variant::REAL, "far" , PROPERTY_HINT_EXP_RANGE, "0.01,4096.0,0.01") ); p_list->push_back( PropertyInfo( Variant::INT, "keep_aspect",PROPERTY_HINT_ENUM,"Keep Width,Keep Height") ); p_list->push_back( PropertyInfo( Variant::BOOL, "current" ) ); p_list->push_back( PropertyInfo( Variant::INT, "cull_mask",PROPERTY_HINT_LAYERS_3D_RENDER ) ); p_list->push_back( PropertyInfo( Variant::OBJECT, "environment",PROPERTY_HINT_RESOURCE_TYPE,"Environment" ) ); p_list->push_back( PropertyInfo( Variant::REAL, "h_offset" ) ); p_list->push_back( PropertyInfo( Variant::REAL, "v_offset" ) ); } void Camera::_update_camera() { Transform tr = get_camera_transform(); tr.origin+=tr.basis.get_axis(1)*v_offset; tr.origin+=tr.basis.get_axis(0)*h_offset; VisualServer::get_singleton()->camera_set_transform( camera, tr ); // here goes listener stuff /* if (viewport_ptr && is_inside_scene() && is_current()) get_viewport()->_camera_transform_changed_notify(); */ if (is_inside_tree() && is_current()) { get_viewport()->_camera_transform_changed_notify(); } if (is_current() && get_world().is_valid()) { get_world()->_update_camera(this); } } void Camera::_notification(int p_what) { switch(p_what) { case NOTIFICATION_ENTER_WORLD: { bool first_camera = get_viewport()->_camera_add(this); if (!get_tree()->is_node_being_edited(this) && (current || first_camera)) make_current(); } break; case NOTIFICATION_TRANSFORM_CHANGED: { _request_camera_update(); } break; case NOTIFICATION_EXIT_WORLD: { if (!get_tree()->is_node_being_edited(this)) { if (is_current()) { clear_current(); current=true; //keep it true } else { current=false; } } get_viewport()->_camera_remove(this); } break; case NOTIFICATION_BECAME_CURRENT: { if (get_world().is_valid()) { get_world()->_register_camera(this); } } break; case NOTIFICATION_LOST_CURRENT: { if (get_world().is_valid()) { get_world()->_remove_camera(this); } } break; } } Transform Camera::get_camera_transform() const { return get_global_transform().orthonormalized(); } void Camera::set_perspective(float p_fovy_degrees, float p_z_near, float p_z_far) { if (!force_change && fov==p_fovy_degrees && p_z_near==near && p_z_far==far && mode==PROJECTION_PERSPECTIVE) return; fov=p_fovy_degrees; near=p_z_near; far=p_z_far; mode=PROJECTION_PERSPECTIVE; VisualServer::get_singleton()->camera_set_perspective(camera,fov,near,far); update_gizmo(); force_change=false; } void Camera::set_orthogonal(float p_size, float p_z_near, float p_z_far) { if (!force_change && size==p_size && p_z_near==near && p_z_far==far && mode==PROJECTION_ORTHOGONAL) return; size = p_size; near=p_z_near; far=p_z_far; mode=PROJECTION_ORTHOGONAL; force_change=false; VisualServer::get_singleton()->camera_set_orthogonal(camera,size,near,far); update_gizmo(); } RID Camera::get_camera() const { return camera; }; void Camera::make_current() { current=true; if (!is_inside_tree()) return; get_viewport()->_camera_set(this); //get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,camera_group,"_camera_make_current",this); } void Camera::clear_current() { current=false; if (!is_inside_tree()) return; if (get_viewport()->get_camera()==this) { get_viewport()->_camera_set(NULL); get_viewport()->_camera_make_next_current(this); } } bool Camera::is_current() const { if (is_inside_tree() && !get_tree()->is_node_being_edited(this)) { return get_viewport()->get_camera()==this; } else return current; return false; } bool Camera::_can_gizmo_scale() const { return false; } Vector3 Camera::project_ray_normal(const Point2& p_pos) const { Vector3 ray = project_local_ray_normal(p_pos); return get_camera_transform().basis.xform(ray).normalized(); }; Vector3 Camera::project_local_ray_normal(const Point2& p_pos) const { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(),Vector3()); } #if 0 Size2 viewport_size = get_viewport()->get_visible_rect().size; Vector2 cpos = p_pos; #else Size2 viewport_size = get_viewport()->get_camera_rect_size(); Vector2 cpos = get_viewport()->get_camera_coords(p_pos); #endif Vector3 ray; if (mode==PROJECTION_ORTHOGONAL) { ray=Vector3(0,0,-1); } else { CameraMatrix cm; cm.set_perspective(fov,viewport_size.aspect(),near,far,keep_aspect==KEEP_WIDTH); float screen_w,screen_h; cm.get_viewport_size(screen_w,screen_h); ray=Vector3( ((cpos.x/viewport_size.width)*2.0-1.0)*screen_w, ((1.0-(cpos.y/viewport_size.height))*2.0-1.0)*screen_h,-near).normalized(); } return ray; }; Vector3 Camera::project_ray_origin(const Point2& p_pos) const { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(),Vector3()); } #if 0 Size2 viewport_size = get_viewport()->get_visible_rect().size; Vector2 cpos = p_pos; #else Size2 viewport_size = get_viewport()->get_camera_rect_size(); Vector2 cpos = get_viewport()->get_camera_coords(p_pos); #endif ERR_FAIL_COND_V( viewport_size.y == 0, Vector3() ); //float aspect = viewport_size.x / viewport_size.y; if (mode == PROJECTION_PERSPECTIVE) { return get_camera_transform().origin; } else { Vector2 pos = cpos / viewport_size; float vsize,hsize; if (keep_aspect==KEEP_WIDTH) { vsize = size/viewport_size.aspect(); hsize = size; } else { hsize = size*viewport_size.aspect(); vsize = size; } Vector3 ray; ray.x = pos.x * (hsize) - hsize/2; ray.y = (1.0 - pos.y) * (vsize) - vsize/2; ray.z = -near; ray = get_camera_transform().xform(ray); return ray; }; }; bool Camera::is_position_behind(const Vector3& p_pos) const { Transform t = get_global_transform(); Vector3 eyedir = -get_global_transform().basis.get_axis(2).normalized(); return eyedir.dot(p_pos) < (eyedir.dot(t.origin)+near); } Point2 Camera::unproject_position(const Vector3& p_pos) const { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(),Vector2()); } Size2 viewport_size = get_viewport()->get_visible_rect().size; CameraMatrix cm; if (mode==PROJECTION_ORTHOGONAL) cm.set_orthogonal(size,viewport_size.aspect(),near,far,keep_aspect==KEEP_WIDTH); else cm.set_perspective(fov,viewport_size.aspect(),near,far,keep_aspect==KEEP_WIDTH); Plane p(get_camera_transform().xform_inv(p_pos),1.0); p=cm.xform4(p); p.normal/=p.d; Point2 res; res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x; res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y; return res; } Vector3 Camera::project_position(const Point2& p_point) const { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(),Vector3()); } Size2 viewport_size = get_viewport()->get_visible_rect().size; CameraMatrix cm; if (mode==PROJECTION_ORTHOGONAL) cm.set_orthogonal(size,viewport_size.aspect(),near,far,keep_aspect==KEEP_WIDTH); else cm.set_perspective(fov,viewport_size.aspect(),near,far,keep_aspect==KEEP_WIDTH); Size2 vp_size; cm.get_viewport_size(vp_size.x,vp_size.y); Vector2 point; point.x = (p_point.x/viewport_size.x) * 2.0 - 1.0; point.y = (1.0-(p_point.y/viewport_size.y)) * 2.0 - 1.0; point*=vp_size; Vector3 p(point.x,point.y,-near); return get_camera_transform().xform(p); } /* void Camera::_camera_make_current(Node *p_camera) { if (p_camera==this) { VisualServer::get_singleton()->viewport_attach_camera(viewport_id,camera); active=true; } else { if (active && p_camera==NULL) { //detech camera because no one else will claim it VisualServer::get_singleton()->viewport_attach_camera(viewport_id,RID()); } active=false; } } */ void Camera::set_environment(const Ref& p_environment) { environment=p_environment; if (environment.is_valid()) VS::get_singleton()->camera_set_environment(camera,environment->get_rid()); else VS::get_singleton()->camera_set_environment(camera,RID()); } Ref Camera::get_environment() const { return environment; } void Camera::set_keep_aspect_mode(KeepAspect p_aspect) { keep_aspect=p_aspect; VisualServer::get_singleton()->camera_set_use_vertical_aspect(camera,p_aspect==KEEP_WIDTH); _change_notify(); } Camera::KeepAspect Camera::get_keep_aspect_mode() const{ return keep_aspect; } void Camera::_bind_methods() { ClassDB::bind_method( _MD("project_ray_normal","screen_point"), &Camera::project_ray_normal); ClassDB::bind_method( _MD("project_local_ray_normal","screen_point"), &Camera::project_local_ray_normal); ClassDB::bind_method( _MD("project_ray_origin","screen_point"), &Camera::project_ray_origin); ClassDB::bind_method( _MD("unproject_position","world_point"), &Camera::unproject_position); ClassDB::bind_method( _MD("is_position_behind","world_point"), &Camera::is_position_behind); ClassDB::bind_method( _MD("project_position","screen_point"), &Camera::project_position); ClassDB::bind_method( _MD("set_perspective","fov","z_near","z_far"),&Camera::set_perspective ); ClassDB::bind_method( _MD("set_orthogonal","size","z_near","z_far"),&Camera::set_orthogonal ); ClassDB::bind_method( _MD("make_current"),&Camera::make_current ); ClassDB::bind_method( _MD("clear_current"),&Camera::clear_current ); ClassDB::bind_method( _MD("is_current"),&Camera::is_current ); ClassDB::bind_method( _MD("get_camera_transform"),&Camera::get_camera_transform ); ClassDB::bind_method( _MD("get_fov"),&Camera::get_fov ); ClassDB::bind_method( _MD("get_size"),&Camera::get_size ); ClassDB::bind_method( _MD("get_zfar"),&Camera::get_zfar ); ClassDB::bind_method( _MD("get_znear"),&Camera::get_znear ); ClassDB::bind_method( _MD("get_projection"),&Camera::get_projection ); ClassDB::bind_method( _MD("set_h_offset","ofs"),&Camera::set_h_offset ); ClassDB::bind_method( _MD("get_h_offset"),&Camera::get_h_offset ); ClassDB::bind_method( _MD("set_v_offset","ofs"),&Camera::set_v_offset ); ClassDB::bind_method( _MD("get_v_offset"),&Camera::get_v_offset ); ClassDB::bind_method( _MD("set_cull_mask","mask"),&Camera::set_cull_mask ); ClassDB::bind_method( _MD("get_cull_mask"),&Camera::get_cull_mask ); ClassDB::bind_method( _MD("set_environment","env:Environment"),&Camera::set_environment ); ClassDB::bind_method( _MD("get_environment:Environment"),&Camera::get_environment ); ClassDB::bind_method( _MD("set_keep_aspect_mode","mode"),&Camera::set_keep_aspect_mode ); ClassDB::bind_method( _MD("get_keep_aspect_mode"),&Camera::get_keep_aspect_mode ); //ClassDB::bind_method( _MD("_camera_make_current"),&Camera::_camera_make_current ); BIND_CONSTANT( PROJECTION_PERSPECTIVE ); BIND_CONSTANT( PROJECTION_ORTHOGONAL ); BIND_CONSTANT( KEEP_WIDTH ); BIND_CONSTANT( KEEP_HEIGHT ); } float Camera::get_fov() const { return fov; } float Camera::get_size() const { return size; } float Camera::get_znear() const { return near; } float Camera::get_zfar() const { return far; } Camera::Projection Camera::get_projection() const { return mode; } void Camera::set_cull_mask(uint32_t p_layers) { layers=p_layers; VisualServer::get_singleton()->camera_set_cull_mask(camera,layers); } uint32_t Camera::get_cull_mask() const{ return layers; } Vector Camera::get_frustum() const { ERR_FAIL_COND_V(!is_inside_world(),Vector()); Size2 viewport_size = get_viewport()->get_visible_rect().size; CameraMatrix cm; if (mode==PROJECTION_PERSPECTIVE) cm.set_perspective(fov,viewport_size.aspect(),near,far,keep_aspect==KEEP_WIDTH); else cm.set_orthogonal(size,viewport_size.aspect(),near,far,keep_aspect==KEEP_WIDTH); return cm.get_projection_planes(get_camera_transform()); } void Camera::set_v_offset(float p_offset) { v_offset=p_offset; _update_camera(); } float Camera::get_v_offset() const { return v_offset; } void Camera::set_h_offset(float p_offset) { h_offset=p_offset; _update_camera(); } float Camera::get_h_offset() const { return h_offset; } Camera::Camera() { camera = VisualServer::get_singleton()->camera_create(); size=1; fov=0; near=0; far=0; current=false; force_change=false; mode=PROJECTION_PERSPECTIVE; set_perspective(60.0,0.1,100.0); keep_aspect=KEEP_HEIGHT; layers=0xfffff; v_offset=0; h_offset=0; VisualServer::get_singleton()->camera_set_cull_mask(camera,layers); //active=false; set_notify_transform(true); } Camera::~Camera() { VisualServer::get_singleton()->free(camera); }