Polygon2D

-=-=-=-=-

Another gift for those who make 2D games:
-Edit polygons, concave or convex, color them, texture them and uv-map them
-Corresponding editor
-Can have a custom pivot, so they are compatible with bones and IK

4 files changed, 539 insertions, 0 deletions

diff --git a/scene/2d/path_texture.cpp b/scene/2d/path_texture.cpp
new file mode 100644
index 0000000000..09596083eb
--- /dev/null
+++ b/scene/2d/path_texture.cpp
@@ -0,0 +1,64 @@
+#include "path_texture.h"
+
+
+void PathTexture::set_begin_texture(const Ref<Texture>& p_texture) {
+
+	begin=p_texture;
+	update();
+}
+
+Ref<Texture> PathTexture::get_begin_texture() const{
+
+	return begin;
+}
+
+void PathTexture::set_repeat_texture(const Ref<Texture>& p_texture){
+
+	repeat=p_texture;
+	update();
+
+}
+Ref<Texture> PathTexture::get_repeat_texture() const{
+
+	return repeat;
+}
+
+void PathTexture::set_end_texture(const Ref<Texture>& p_texture){
+
+	end=p_texture;
+	update();
+}
+Ref<Texture> PathTexture::get_end_texture() const{
+
+	return end;
+}
+
+void PathTexture::set_subdivisions(int p_amount){
+
+	ERR_FAIL_INDEX(p_amount,32);
+	subdivs=p_amount;
+	update();
+
+}
+
+int PathTexture::get_subdivisions() const{
+
+	return subdivs;
+}
+
+void PathTexture::set_overlap(int p_amount){
+
+	overlap=p_amount;
+	update();
+}
+int PathTexture::get_overlap() const{
+
+	return overlap;
+}
+
+
+PathTexture::PathTexture() {
+
+	overlap=0;
+	subdivs=1;
+}
diff --git a/scene/2d/path_texture.h b/scene/2d/path_texture.h
new file mode 100644
index 0000000000..0e63758b10
--- /dev/null
+++ b/scene/2d/path_texture.h
@@ -0,0 +1,34 @@
+#ifndef PATH_TEXTURE_H
+#define PATH_TEXTURE_H
+
+#include "scene/2d/node_2d.h"
+
+class PathTexture : public Node2D {
+	OBJ_TYPE( PathTexture, Node2D );
+
+	Ref<Texture> begin;
+	Ref<Texture> repeat;
+	Ref<Texture> end;
+	int subdivs;
+	bool overlap;
+public:
+
+	void set_begin_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_begin_texture() const;
+
+	void set_repeat_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_repeat_texture() const;
+
+	void set_end_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_end_texture() const;
+
+	void set_subdivisions(int p_amount);
+	int get_subdivisions() const;
+
+	void set_overlap(int p_amount);
+	int get_overlap() const;
+
+	PathTexture();
+};
+
+#endif // PATH_TEXTURE_H
diff --git a/scene/2d/polygon_2d.cpp b/scene/2d/polygon_2d.cpp
new file mode 100644
index 0000000000..2b4be734af
--- /dev/null
+++ b/scene/2d/polygon_2d.cpp
@@ -0,0 +1,363 @@
+#include "polygon_2d.h"
+
+Rect2 Polygon2D::get_item_rect() const {
+
+
+	if (rect_cache_dirty){
+		int l =polygon.size();
+		DVector<Vector2>::Read r = polygon.read();
+		item_rect=Rect2();
+		for(int i=0;i<l;i++) {
+			Vector2 pos = r[i] + offset;
+			if (i==0)
+				item_rect.pos=pos;
+			else
+				item_rect.expand_to(pos);
+		}
+		item_rect=item_rect.grow(20);
+		rect_cache_dirty=false;
+	}
+
+
+	return item_rect;
+
+
+}
+
+void Polygon2D::edit_set_pivot(const Point2& p_pivot) {
+
+	set_offset(p_pivot);
+}
+
+Point2 Polygon2D::edit_get_pivot() const {
+
+	return get_offset();
+}
+bool Polygon2D::edit_has_pivot() const {
+
+	return true;
+}
+
+void Polygon2D::_notification(int p_what) {
+
+
+	switch(p_what) {
+
+		case NOTIFICATION_DRAW: {
+
+			if (polygon.size()<3)
+				return;
+
+			Vector<Vector2> points;
+			Vector<Vector2> uvs;
+
+			points.resize(polygon.size());
+
+			int len = points.size();
+			{
+
+				DVector<Vector2>::Read polyr =polygon.read();
+				for(int i=0;i<len;i++) {
+					points[i]=polyr[i]+offset;
+				}
+			}
+
+			if (invert) {
+
+				Rect2 bounds;
+				int highest_idx=-1;
+				float highest_y=-1e20;
+				float sum=0;
+
+				for(int i=0;i<len;i++) {
+					if (i==0)
+						bounds.pos=points[i];
+					else
+						bounds.expand_to(points[i]);
+					if (points[i].y>highest_y) {
+						highest_idx=i;
+						highest_y=points[i].y;
+					}
+					int ni=(i+1)%len;
+					sum+=(points[ni].x-points[i].x)*(points[ni].y+points[i].y);
+				}
+
+				bounds=bounds.grow(invert_border);
+
+				Vector2 ep[7]={
+					Vector2(points[highest_idx].x,points[highest_idx].y+invert_border),
+					Vector2(bounds.pos+bounds.size),
+					Vector2(bounds.pos+Vector2(bounds.size.x,0)),
+					Vector2(bounds.pos),
+					Vector2(bounds.pos+Vector2(0,bounds.size.y)),
+					Vector2(points[highest_idx].x-CMP_EPSILON,points[highest_idx].y+invert_border),
+					Vector2(points[highest_idx].x-CMP_EPSILON,points[highest_idx].y),
+				};
+
+
+				if (sum>0) {
+					SWAP(ep[1],ep[4]);
+					SWAP(ep[2],ep[3]);
+					SWAP(ep[5],ep[0]);
+					SWAP(ep[6],points[highest_idx]);
+				}
+
+				points.resize(points.size()+7);
+				for(int i=points.size()-1;i>=highest_idx+7;i--) {
+
+					points[i]=points[i-7];
+				}
+
+				for(int i=0;i<7;i++) {
+
+					points[highest_idx+i+1]=ep[i];
+				}
+
+
+				len=points.size();
+
+			}
+
+			if (texture.is_valid()) {
+
+				Matrix32 texmat(tex_rot,tex_ofs);
+				texmat.scale(tex_scale);
+				Size2 tex_size=Vector2(1,1);
+
+				tex_size=texture->get_size();
+				uvs.resize(points.size());
+
+				if (points.size()==uv.size()) {
+
+					DVector<Vector2>::Read uvr = uv.read();
+
+					for(int i=0;i<len;i++) {
+						uvs[i]=texmat.xform(uvr[i])/tex_size;
+					}
+
+				} else {
+					for(int i=0;i<len;i++) {
+						uvs[i]=texmat.xform(points[i])/tex_size;
+					}
+				}
+
+			}
+
+
+			Vector<Color> colors;
+			colors.push_back(color);
+			Vector<int> indices = Geometry::triangulate_polygon(points);
+
+			VS::get_singleton()->canvas_item_add_triangle_array(get_canvas_item(),indices,points,colors,uvs,texture.is_valid()?texture->get_rid():RID());
+
+		} break;
+	}
+}
+
+
+void Polygon2D::set_polygon(const DVector<Vector2>& p_polygon) {
+	polygon=p_polygon;
+	rect_cache_dirty=true;
+	update();
+}
+
+DVector<Vector2> Polygon2D::get_polygon() const{
+
+	return polygon;
+}
+
+
+void Polygon2D::set_uv(const DVector<Vector2>& p_uv) {
+
+	uv=p_uv;
+	update();
+}
+
+DVector<Vector2> Polygon2D::get_uv() const{
+
+	return uv;
+}
+
+void Polygon2D::set_color(const Color& p_color){
+
+	color=p_color;
+	update();
+}
+Color Polygon2D::get_color() const{
+
+	return color;
+}
+
+void Polygon2D::set_texture(const Ref<Texture>& p_texture){
+
+	texture=p_texture;
+
+	if (texture.is_valid()) {
+		uint32_t flags=texture->get_flags();
+		flags&=~Texture::FLAG_REPEAT;
+		if (tex_tile)
+			flags|=Texture::FLAG_REPEAT;
+
+		texture->set_flags(flags);
+	}
+	update();
+}
+Ref<Texture> Polygon2D::get_texture() const{
+
+	return texture;
+}
+
+
+void Polygon2D::set_texture_offset(const Vector2& p_offset){
+
+	tex_ofs=p_offset;
+	update();
+}
+Vector2 Polygon2D::get_texture_offset() const{
+
+	return tex_ofs;
+}
+
+void Polygon2D::set_texture_rotation(float p_rot){
+
+	tex_rot=p_rot;
+	update();
+}
+float Polygon2D::get_texture_rotation() const{
+
+	return tex_rot;
+}
+
+void Polygon2D::set_texture_repeat(bool p_enable){
+
+	tex_tile=p_enable;
+	if (texture.is_valid()) {
+		uint32_t flags=texture->get_flags();
+		flags&=~Texture::FLAG_REPEAT;
+		if (p_enable)
+			flags|=Texture::FLAG_REPEAT;
+		texture->set_flags(flags);
+	}
+	update();
+}
+bool Polygon2D::get_texture_repeat() const{
+
+	return tex_tile;
+}
+
+void Polygon2D::_set_texture_rotationd(float p_rot){
+
+	set_texture_rotation(Math::deg2rad(p_rot));
+}
+float Polygon2D::_get_texture_rotationd() const{
+
+	return Math::rad2deg(get_texture_rotation());
+}
+
+
+void Polygon2D::set_texture_scale(const Vector2& p_scale){
+
+	tex_scale=p_scale;
+	update();
+}
+Vector2 Polygon2D::get_texture_scale() const{
+
+	return tex_scale;
+}
+
+void Polygon2D::set_invert(bool p_invert){
+
+	invert=p_invert;
+	update();
+}
+bool Polygon2D::get_invert() const{
+
+	return invert;
+}
+
+void Polygon2D::set_invert_border(float p_invert_border){
+
+	invert_border=p_invert_border;
+	update();
+}
+float Polygon2D::get_invert_border() const{
+
+	return invert_border;
+}
+
+void Polygon2D::set_offset(const Vector2& p_offset) {
+
+	offset=p_offset;
+	rect_cache_dirty=true;
+	update();
+}
+
+Vector2 Polygon2D::get_offset() const {
+
+	return offset;
+}
+
+
+void Polygon2D::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_polygon","polygon"),&Polygon2D::set_polygon);
+	ObjectTypeDB::bind_method(_MD("get_polygon"),&Polygon2D::get_polygon);
+
+	ObjectTypeDB::bind_method(_MD("set_uv","uv"),&Polygon2D::set_uv);
+	ObjectTypeDB::bind_method(_MD("get_uv"),&Polygon2D::get_uv);
+
+	ObjectTypeDB::bind_method(_MD("set_color","color"),&Polygon2D::set_color);
+	ObjectTypeDB::bind_method(_MD("get_color"),&Polygon2D::get_color);
+
+	ObjectTypeDB::bind_method(_MD("set_texture","texture"),&Polygon2D::set_texture);
+	ObjectTypeDB::bind_method(_MD("get_texture"),&Polygon2D::get_texture);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_offset","texture_offset"),&Polygon2D::set_texture_offset);
+	ObjectTypeDB::bind_method(_MD("get_texture_offset"),&Polygon2D::get_texture_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_rotation","texture_rotation"),&Polygon2D::set_texture_rotation);
+	ObjectTypeDB::bind_method(_MD("get_texture_rotation"),&Polygon2D::get_texture_rotation);
+
+	ObjectTypeDB::bind_method(_MD("_set_texture_rotationd","texture_rotation"),&Polygon2D::_set_texture_rotationd);
+	ObjectTypeDB::bind_method(_MD("_get_texture_rotationd"),&Polygon2D::_get_texture_rotationd);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_scale","texture_scale"),&Polygon2D::set_texture_scale);
+	ObjectTypeDB::bind_method(_MD("get_texture_scale"),&Polygon2D::get_texture_scale);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_repeat","enable"),&Polygon2D::set_texture_repeat);
+	ObjectTypeDB::bind_method(_MD("get_texture_repeat"),&Polygon2D::get_texture_repeat);
+
+	ObjectTypeDB::bind_method(_MD("set_invert","invert"),&Polygon2D::set_invert);
+	ObjectTypeDB::bind_method(_MD("get_invert"),&Polygon2D::get_invert);
+
+	ObjectTypeDB::bind_method(_MD("set_invert_border","invert_border"),&Polygon2D::set_invert_border);
+	ObjectTypeDB::bind_method(_MD("get_invert_border"),&Polygon2D::get_invert_border);
+
+	ObjectTypeDB::bind_method(_MD("set_offset","offset"),&Polygon2D::set_offset);
+	ObjectTypeDB::bind_method(_MD("get_offset"),&Polygon2D::get_offset);
+
+
+
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"polygon"),_SCS("set_polygon"),_SCS("get_polygon"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"uv"),_SCS("set_uv"),_SCS("get_uv"));
+	ADD_PROPERTY( PropertyInfo(Variant::COLOR,"color"),_SCS("set_color"),_SCS("get_color"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"offset"),_SCS("set_offset"),_SCS("get_offset"));
+	ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"texture/texture",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),_SCS("set_texture"),_SCS("get_texture"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"texture/offset"),_SCS("set_texture_offset"),_SCS("get_texture_offset"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"texture/scale"),_SCS("set_texture_scale"),_SCS("get_texture_scale"));
+	ADD_PROPERTY( PropertyInfo(Variant::REAL,"texture/rotation",PROPERTY_HINT_RANGE,"-1440,1440,0.1"),_SCS("_set_texture_rotationd"),_SCS("_get_texture_rotationd"));
+	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"texture/repeat"),_SCS("set_texture_repeat"),_SCS("get_texture_repeat"));
+	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"invert/enable"),_SCS("set_invert"),_SCS("get_invert"));
+	ADD_PROPERTY( PropertyInfo(Variant::REAL,"invert/border",PROPERTY_HINT_RANGE,"0.1,16384,0.1"),_SCS("set_invert_border"),_SCS("get_invert_border"));
+
+}
+
+Polygon2D::Polygon2D() {
+
+	invert=0;
+	invert_border=100;
+	tex_rot=0;
+	tex_tile=true;
+	tex_scale=Vector2(1,1);
+	rect_cache_dirty=true;
+}
diff --git a/scene/2d/polygon_2d.h b/scene/2d/polygon_2d.h
new file mode 100644
index 0000000000..38fa57b9b4
--- /dev/null
+++ b/scene/2d/polygon_2d.h
@@ -0,0 +1,78 @@
+#ifndef POLYGON_2D_H
+#define POLYGON_2D_H
+
+#include "scene/2d/node_2d.h"
+
+class Polygon2D : public Node2D {
+
+	OBJ_TYPE(Polygon2D,Node2D);
+
+	DVector<Vector2> polygon;
+	DVector<Vector2> uv;
+	Color color;
+	Ref<Texture> texture;
+	Vector2 tex_scale;
+	Vector2 tex_ofs;
+	bool tex_tile;
+	float tex_rot;
+	bool invert;
+	float invert_border;
+
+	Vector2 offset;
+	mutable bool rect_cache_dirty;
+	mutable Rect2 item_rect;
+
+	void _set_texture_rotationd(float p_rot);
+	float _get_texture_rotationd() const;
+
+protected:
+
+	void _notification(int p_what);
+	static void _bind_methods();
+public:
+
+	void set_polygon(const DVector<Vector2>& p_polygon);
+	DVector<Vector2> get_polygon() const;
+
+	void set_uv(const DVector<Vector2>& p_uv);
+	DVector<Vector2> get_uv() const;
+
+	void set_color(const Color& p_color);
+	Color get_color() const;
+
+	void set_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_texture() const;
+
+	void set_texture_offset(const Vector2& p_offset);
+	Vector2 get_texture_offset() const;
+
+	void set_texture_rotation(float p_rot);
+	float get_texture_rotation() const;
+
+	void set_texture_scale(const Vector2& p_scale);
+	Vector2 get_texture_scale() const;
+
+	void set_texture_repeat(bool p_rot);
+	bool get_texture_repeat() const;
+
+	void set_invert(bool p_rot);
+	bool get_invert() const;
+
+	void set_invert_border(float p_border);
+	float get_invert_border() const;
+
+	void set_offset(const Vector2& p_offset);
+	Vector2 get_offset() const;
+
+	//editor stuff
+
+	virtual void edit_set_pivot(const Point2& p_pivot);
+	virtual Point2 edit_get_pivot() const;
+	virtual bool edit_has_pivot() const;
+
+	virtual Rect2 get_item_rect() const;
+
+	Polygon2D();
+};
+
+#endif // POLYGON_2D_H