d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
311 lines
8.9 KiB
C++
311 lines
8.9 KiB
C++
/*************************************************************************/
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/* collision_polygon.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "collision_polygon.h"
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#include "collision_object.h"
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#include "scene/resources/concave_polygon_shape.h"
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#include "scene/resources/convex_polygon_shape.h"
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void CollisionPolygon::_add_to_collision_object(Object *p_obj) {
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if (!can_update_body)
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return;
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CollisionObject *co = p_obj->cast_to<CollisionObject>();
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ERR_FAIL_COND(!co);
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if (polygon.size()==0)
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return;
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bool solids=build_mode==BUILD_SOLIDS;
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Vector< Vector<Vector2> > decomp = Geometry::decompose_polygon(polygon);
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if (decomp.size()==0)
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return;
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if (true || solids) {
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//here comes the sun, lalalala
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//decompose concave into multiple convex polygons and add them
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shape_from=co->get_shape_count();
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for(int i=0;i<decomp.size();i++) {
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Ref<ConvexPolygonShape> convex = memnew( ConvexPolygonShape );
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DVector<Vector3> cp;
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int cs = decomp[i].size();
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cp.resize(cs*2);
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{
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DVector<Vector3>::Write w = cp.write();
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int idx=0;
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for(int j=0;j<cs;j++) {
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Vector2 d = decomp[i][j];
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w[idx++]=Vector3(d.x,d.y,depth*0.5);
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w[idx++]=Vector3(d.x,d.y,-depth*0.5);
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}
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}
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convex->set_points(cp);
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co->add_shape(convex,get_transform());
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}
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shape_to=co->get_shape_count()-1;
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if (shape_to<shape_from) {
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shape_from=-1;
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shape_to=-1;
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}
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} else {
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#if 0
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Ref<ConcavePolygonShape> concave = memnew( ConcavePolygonShape );
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DVector<Vector2> segments;
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segments.resize(polygon.size()*2);
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DVector<Vector2>::Write w=segments.write();
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for(int i=0;i<polygon.size();i++) {
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w[(i<<1)+0]=polygon[i];
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w[(i<<1)+1]=polygon[(i+1)%polygon.size()];
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}
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w=DVector<Vector2>::Write();
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concave->set_segments(segments);
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co->add_shape(concave,get_transform());
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#endif
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}
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//co->add_shape(shape,get_transform());
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}
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void CollisionPolygon::_update_parent() {
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if (!can_update_body)
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return;
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Node *parent = get_parent();
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if (!parent)
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return;
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CollisionObject *co = parent->cast_to<CollisionObject>();
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if (!co)
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return;
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co->_update_shapes_from_children();
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}
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void CollisionPolygon::_set_shape_range(const Vector2& p_range) {
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shape_from=p_range.x;
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shape_to=p_range.y;
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}
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Vector2 CollisionPolygon::_get_shape_range() const {
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return Vector2(shape_from,shape_to);
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}
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void CollisionPolygon::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_TREE: {
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can_update_body=get_tree()->is_editor_hint();
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set_notify_local_transform(!can_update_body);
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//indicator_instance = VisualServer::get_singleton()->instance_create2(indicator,get_world()->get_scenario());
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} break;
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case NOTIFICATION_EXIT_TREE: {
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can_update_body=false;
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set_notify_local_transform(false);
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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if (!is_inside_tree())
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break;
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if (can_update_body) {
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_update_parent();
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}
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} break;
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case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
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if (!can_update_body && shape_from>=0 && shape_to>=0) {
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CollisionObject *co = get_parent()->cast_to<CollisionObject>();
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if (co) {
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for(int i=shape_from;i<=shape_to;i++) {
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co->set_shape_transform(i,get_transform());
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}
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}
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}
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} break;
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#if 0
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case NOTIFICATION_DRAW: {
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for(int i=0;i<polygon.size();i++) {
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Vector2 p = polygon[i];
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Vector2 n = polygon[(i+1)%polygon.size()];
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draw_line(p,n,Color(0,0.6,0.7,0.5),3);
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}
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Vector< Vector<Vector2> > decomp = Geometry::decompose_polygon(polygon);
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#define DEBUG_DECOMPOSE
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#ifdef DEBUG_DECOMPOSE
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Color c(0.4,0.9,0.1);
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for(int i=0;i<decomp.size();i++) {
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c.set_hsv( Math::fmod(c.get_h() + 0.738,1),c.get_s(),c.get_v(),0.5);
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draw_colored_polygon(decomp[i],c);
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}
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#endif
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} break;
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#endif
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}
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}
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void CollisionPolygon::set_polygon(const Vector<Point2>& p_polygon) {
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polygon=p_polygon;
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if (can_update_body) {
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for(int i=0;i<polygon.size();i++) {
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Vector3 p1(polygon[i].x,polygon[i].y,depth*0.5);
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if (i==0)
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aabb=AABB(p1,Vector3());
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else
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aabb.expand_to(p1);
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Vector3 p2(polygon[i].x,polygon[i].y,-depth*0.5);
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aabb.expand_to(p2);
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}
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if (aabb==AABB()) {
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aabb=AABB(Vector3(-1,-1,-1),Vector3(2,2,2));
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} else {
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aabb.pos-=aabb.size*0.3;
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aabb.size+=aabb.size*0.6;
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}
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_update_parent();
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}
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update_gizmo();
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}
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Vector<Point2> CollisionPolygon::get_polygon() const {
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return polygon;
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}
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void CollisionPolygon::set_build_mode(BuildMode p_mode) {
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ERR_FAIL_INDEX(p_mode,2);
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build_mode=p_mode;
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if (!can_update_body)
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return;
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_update_parent();
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}
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CollisionPolygon::BuildMode CollisionPolygon::get_build_mode() const{
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return build_mode;
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}
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AABB CollisionPolygon::get_item_rect() const {
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return aabb;
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}
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void CollisionPolygon::set_depth(float p_depth) {
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depth=p_depth;
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if (!can_update_body)
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return;
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_update_parent();
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update_gizmo();
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}
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float CollisionPolygon::get_depth() const {
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return depth;
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}
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String CollisionPolygon::get_configuration_warning() const {
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if (!get_parent()->cast_to<CollisionObject>()) {
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return TTR("CollisionPolygon only serves to provide a collision shape to a CollisionObject derived node. Please only use it as a child of Area, StaticBody, RigidBody, KinematicBody, etc. to give them a shape.");
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}
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if (polygon.empty()) {
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return TTR("An empty CollisionPolygon has no effect on collision.");
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}
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return String();
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}
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void CollisionPolygon::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_add_to_collision_object"),&CollisionPolygon::_add_to_collision_object);
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ObjectTypeDB::bind_method(_MD("set_build_mode","build_mode"),&CollisionPolygon::set_build_mode);
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ObjectTypeDB::bind_method(_MD("get_build_mode"),&CollisionPolygon::get_build_mode);
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ObjectTypeDB::bind_method(_MD("set_depth","depth"),&CollisionPolygon::set_depth);
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ObjectTypeDB::bind_method(_MD("get_depth"),&CollisionPolygon::get_depth);
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ObjectTypeDB::bind_method(_MD("set_polygon","polygon"),&CollisionPolygon::set_polygon);
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ObjectTypeDB::bind_method(_MD("get_polygon"),&CollisionPolygon::get_polygon);
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ObjectTypeDB::bind_method(_MD("_set_shape_range","shape_range"),&CollisionPolygon::_set_shape_range);
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ObjectTypeDB::bind_method(_MD("_get_shape_range"),&CollisionPolygon::_get_shape_range);
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ObjectTypeDB::bind_method(_MD("get_collision_object_first_shape"),&CollisionPolygon::get_collision_object_first_shape);
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ObjectTypeDB::bind_method(_MD("get_collision_object_last_shape"),&CollisionPolygon::get_collision_object_last_shape);
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ADD_PROPERTY( PropertyInfo(Variant::INT,"build_mode",PROPERTY_HINT_ENUM,"Solids,Triangles"),_SCS("set_build_mode"),_SCS("get_build_mode"));
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ADD_PROPERTY( PropertyInfo(Variant::REAL,"depth"),_SCS("set_depth"),_SCS("get_depth"));
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ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"polygon"),_SCS("set_polygon"),_SCS("get_polygon"));
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ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"shape_range",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_shape_range"),_SCS("_get_shape_range"));
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}
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CollisionPolygon::CollisionPolygon() {
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shape_from=-1;
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shape_to=-1;
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can_update_body=false;
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aabb=AABB(Vector3(-1,-1,-1),Vector3(2,2,2));
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build_mode=BUILD_SOLIDS;
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depth=1.0;
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}
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