mirror of https://github.com/axmolengine/axmol.git
792 lines
27 KiB
C++
792 lines
27 KiB
C++
/* Copyright (c) 2012 Scott Lembcke and Howling Moon Software
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* Copyright (c) 2012 cocos2d-x.org
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* Copyright (c) 2013-2016 Chukong Technologies Inc.
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* Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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* Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Code copied & pasted from SpacePatrol game https://github.com/slembcke/SpacePatrol
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*
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* Renamed and added some changes for cocos2d
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*
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*/
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#ifndef __DRAW_NODE_H__
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#define __DRAW_NODE_H__
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#include "2d/Node.h"
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#include "base/axstd.h"
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#include "base/Types.h"
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#include "renderer/CustomCommand.h"
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#include "math/Math.h"
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namespace ax
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{
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static const int DEFAULT_LINE_WIDTH = 2;
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class PointArray;
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/**
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* @addtogroup _2d
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* @{
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*/
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/** @class DrawNode
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* @brief Node that draws dots, segments and polygons.
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* Faster than the "drawing primitives" since they draws everything in one single batch.
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* @since v2.1
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*/
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class AX_DLL DrawNode : public Node
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{
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public:
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/** Different draw modus types.
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*
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*.
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*/
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enum DrawMode
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{
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Fill,
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Outline,
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Line,
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Semi,
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};
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enum PointType
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{
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Circle,
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Rect,
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};
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// See also example on https://www.angusj.com/clipper2/Docs/Units/Clipper/Types/EndType.htm
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enum EndType
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{
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Square,
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Round,
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Butt,
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};
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/** creates and initialize a DrawNode node.
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*
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* @return Return an autorelease object.
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*/
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static DrawNode* create(void);
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// DrawNode();
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/** Draw a point.
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*
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* @param point A Vec2 used to point.
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* @param pointSize The point size.
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* @param color The point color.
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* @js NA
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*/
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void drawPoint(const Vec2& point,
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const float pointSize,
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const Color4B& color,
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DrawNode::PointType pointType = DrawNode::PointType::Rect);
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/** Draw a group point.
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*
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* @param position A Vec2 pointer.
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* @param numberOfPoints The number of points.
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* @param color The point color.
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* @js NA
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*/
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void drawPoints(const Vec2* position,
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unsigned int numberOfPoints,
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const Color4B& color,
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DrawNode::PointType pointType = DrawNode::PointType::Rect);
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/** Draw a group point.
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*
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* @param position A Vec2 pointer.
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* @param numberOfPoints The number of points.
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* @param pointSize The point size.
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* @param color The point color.
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* @js NA
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*/
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void drawPoints(const Vec2* position,
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unsigned int numberOfPoints,
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const float pointSize,
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const Color4B& color,
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DrawNode::PointType pointType = DrawNode::PointType::Rect);
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/** Draw an line from origin to destination with color.
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*
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* @param origin The line origin.
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* @param destination The line destination.
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* @param color The line color.
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* @js NA
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*/
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void drawLine(const Vec2& origin,
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const Vec2& destination,
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const Color4B& color,
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float thickness = 1.0f,
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DrawNode::EndType etStart = DrawNode::EndType::Round,
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DrawNode::EndType etEnd = DrawNode::EndType::Round);
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/** Draws a rectangle given the origin and destination point measured in points.
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* The origin and the destination can not have the same x and y coordinate.
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*
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* @param origin The rectangle origin.
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* @param destination The rectangle destination.
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* @param color The rectangle color.
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*/
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void drawRect(const Vec2& origin, const Vec2& destination, const Color4B& color, float thickness = 1.0f);
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/** Draws a polygon given a pointer to point coordinates and the number of vertices measured in points.
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* The polygon can be closed or open.
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*
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* @param poli A pointer to point coordinates.
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* @param numberOfPoints The number of vertices measured in points.
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* @param closePolygon The polygon can be closed or open.
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* @param color The polygon color.
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*/
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void drawPoly(const Vec2* poli,
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unsigned int numberOfPoints,
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bool closedPolygon,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draws a circle given the center, radius and number of segments.
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*
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* @param center The circle center point.
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* @param radius The circle rotate of radius.
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* @param angle The circle angle.
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* @param segments The number of segments.
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* @param drawLineToCenter Whether or not draw the line from the origin to center.
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* @param scaleX The scale value in x.
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* @param scaleY The scale value in y.
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* @param color Set the circle color.
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* @param thickness (default 1.0f)
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*/
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void drawCircle(const Vec2& center,
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float radius,
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float angle,
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unsigned int segments,
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bool drawLineToCenter,
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float scaleX,
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float scaleY,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draws a circle given the center, radius and number of segments.
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*
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* @param center The circle center point.
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* @param radius The circle rotate of radius.
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* @param angle The circle angle.
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* @param segments The number of segments.
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* @param drawLineToCenter Whether or not draw the line from the origin to center.
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* @param color Set the circle color.
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* @param thickness (default 1.0f)
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*/
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void drawCircle(const Vec2& center,
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float radius,
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float angle,
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unsigned int segments,
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bool drawLineToCenter,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draws a star given the center, radiusI, radiusO and number of segments.
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*
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* @param center The circle center point.
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* @param radiusI The inner radius.
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* @param radiusO The outer radius.
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* @param segments The number of segments.
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* @param color Set the star color.
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* @param thickness (default = 1.0f)
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*/
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void drawStar(const Vec2& center,
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float radiusI,
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float radiusO,
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unsigned int segments,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draws a solid star given the center, radiusI, radiusO and number of segments.
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*
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* @param center The circle center point.
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* @param radiusI The inner radius.
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* @param radiusO The outer radius.
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* @param segments The number of segments.
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* @param color Set the star color.
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* @param thickness (default = 1.0f)
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*/
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void drawSolidStar(const Vec2& center,
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float radiusI,
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float radiusO,
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unsigned int segments,
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const Color4B& color,
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const Color4B& filledColor,
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float thickness = 1.0f);
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/** Draws a quad bezier path.
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*
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* @param origin The origin of the bezier path.
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* @param control The control of the bezier path.
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* @param destination The destination of the bezier path.
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* @param segments The number of segments.
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* @param color Set the quad bezier color.
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*/
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void drawQuadBezier(const Vec2& origin,
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const Vec2& control,
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const Vec2& destination,
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unsigned int segments,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draw a cubic bezier curve with color and number of segments
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*
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* @param origin The origin of the bezier path.
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* @param control1 The first control of the bezier path.
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* @param control2 The second control of the bezier path.
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* @param destination The destination of the bezier path.
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* @param segments The number of segments.
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* @param color Set the cubic bezier color.
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*/
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void drawCubicBezier(const Vec2& origin,
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const Vec2& control1,
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const Vec2& control2,
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const Vec2& destination,
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unsigned int segments,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draws a Cardinal Spline path.
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*
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* @param config A array point.
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* @param tension The tension of the spline.
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* @param segments The number of segments.
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* @param color Set the Spline color.
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*/
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void drawCardinalSpline(PointArray* config,
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float tension,
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unsigned int segments,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draws a Catmull Rom path.
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*
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* @param points A point array of control point.
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* @param segments The number of segments.
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* @param color The Catmull Rom color.
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*/
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void drawCatmullRom(PointArray* points, unsigned int segments, const Color4B& color, float thickness = 1.0f);
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/** draw a dot at a position, with a given radius and color.
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*
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* @param pos The dot center.
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* @param radius The dot radius.
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* @param color The dot color.
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*/
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void drawDot(const Vec2& pos, float radius, const Color4B& color);
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/** Draws a rectangle with 4 points.
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*
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* @param p1 The rectangle vertex point.
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* @param p2 The rectangle vertex point.
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* @param p3 The rectangle vertex point.
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* @param p4 The rectangle vertex point.
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* @param color The rectangle color.
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*/
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void drawRect(const Vec2& p1,
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const Vec2& p2,
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const Vec2& p3,
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const Vec2& p4,
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const Color4B& color,
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float thickness = 1.0f);
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/** Draws a solid rectangle given the origin and destination point measured in points.
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* The origin and the destination can not have the same x and y coordinate.
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*
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* @param origin The rectangle origin.
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* @param destination The rectangle destination.
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* @param color The rectangle color.
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* @js NA
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*/
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void drawSolidRect(const Vec2& origin,
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const Vec2& destination,
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const Color4B& color,
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float thickness = 0,
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const Color4B& borderColor = Color4B(0, 0, 0, 0));
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/** Draws a solid polygon given a pointer to CGPoint coordinates, the number of vertices measured in points, and a
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* color.
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*
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* @param poli A solid polygon given a pointer to CGPoint coordinates.
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* @param numberOfPoints The number of vertices measured in points.
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* @param color The solid polygon color.
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* @js NA
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*/
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void drawSolidPoly(const Vec2* poli,
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unsigned int numberOfPoints,
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const Color4B& color,
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float thickness = 0,
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const Color4B& borderColor = Color4B(0, 0, 0, 0),
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bool isconvex = false);
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/** Draws a solid circle given the center, radius and number of segments.
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* @param center The circle center point.
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* @param radius The circle rotate of radius.
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* @param angle The circle angle.
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* @param segments The number of segments.
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* @param scaleX The scale value in x.
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* @param scaleY The scale value in y.
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* @param fillColor The color will fill in polygon.
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* @param thickness The border of line width.
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* @param borderColor The border of line color.
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* @param drawLineToCenter Whether or not draw the line from the origin to center.
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* @js NA
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*/
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void drawSolidCircle(const Vec2& center,
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float radius,
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float angle,
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unsigned int segments,
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float scaleX,
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float scaleY,
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const Color4B& fillColor,
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float thickness,
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const Color4B& borderColor,
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bool drawLineToCenter = false);
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/** Draws a solid circle given the center, radius and number of segments.
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* @param center The circle center point.
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* @param radius The circle rotate of radius.
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* @param angle The circle angle.
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* @param segments The number of segments.
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* @param scaleX The scale value in x.
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* @param scaleY The scale value in y.
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* @param color The solid circle color.
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* @js NA
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*/
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void drawSolidCircle(const Vec2& center,
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float radius,
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float angle,
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unsigned int segments,
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float scaleX,
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float scaleY,
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const Color4B& color);
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/** Draws a solid circle given the center, radius and number of segments.
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* @param center The circle center point.
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* @param radius The circle rotate of radius.
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* @param angle The circle angle.
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* @param segments The number of segments.
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* @param color The solid circle color.
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* @js NA
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*/
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void drawSolidCircle(const Vec2& center, float radius, float angle, unsigned int segments, const Color4B& color);
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/** Draws a pie given the center, radius, angle, start angle, end angle and number of segments.
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* @param center The circle center point.
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* @param radius The circle rotate of radius.
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* @param angle The circle angle.
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* @param startAngle The start angle.
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* @param endAngle The end angle.
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* @param scaleX The scale value in x.
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* @param scaleY The scale value in y.
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* @param fillColor The solid circle color.
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* @param borderColor The borderColor.
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* @param DrawMode The draw mode
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* @js NA
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*/
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void drawPie(const Vec2& center,
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float radius,
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float rotation,
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int startAngle,
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int endAngle,
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float scaleX,
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float scaleY,
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const Color4B& fillColor,
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const Color4B& borderColor,
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DrawMode drawMode = DrawMode::Outline,
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float thickness = 1.0f);
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// Cocos2dx/Axmol 1.0 API backwards compatibhility
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/** Draws a pie given the center, radius, angle, start angle, end angle and number of segments.
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* @param center The circle center point.
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* @param radius The circle rotate of radius.
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* @param angle The circle angle.
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* @param startAngle The start angle.
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* @param endAngle The end angle.
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* @param scaleX The scale value in x.
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* @param scaleY The scale value in y.
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* @param color The solid circle color.
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* @param DrawMode The draw mode
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* @js NA
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*/
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void drawPie(const Vec2& center,
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float radius,
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float angle,
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int startAngle,
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int endAngle,
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float scaleX,
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float scaleY,
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const Color4B& color,
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DrawMode drawMode = DrawMode::Outline);
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void setIsConvex(bool isConvex)
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{
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AXLOGW("'setIsConvex()' No longer supported. Use the new drawPolygon API.");
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};
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/** draw a segment with a radius and color.
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*
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* @param from The segment origin.
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* @param to The segment destination.
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* @param radius The segment radius.
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* @param color The segment color.
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*/
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void drawSegment(const Vec2& from,
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const Vec2& to,
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float radius,
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const Color4B& color,
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DrawNode::EndType etStart = DrawNode::EndType::Round,
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DrawNode::EndType etEnd = DrawNode::EndType::Round);
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/** draw a polygon with a fill color and line color
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* @code
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* When this function bound into js or lua,the parameter will be changed
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* In js: var drawPolygon(var Arrayofpoints, var fillColor, var width, var borderColor)
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* In lua:local drawPolygon(local pointTable,local tableCount,local fillColor,local width,local borderColor)
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* @endcode
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* @param verts A pointer to point coordinates.
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* @param count The number of verts measured in points.
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* @param fillColor The color will fill in polygon.
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* @param thickness The border of line width.
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* @param borderColor The border of line color.
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* @js NA
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*/
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void drawPolygon(Vec2* verts,
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int count,
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const Color4B& fillColor,
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float thickness,
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const Color4B& borderColor,
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bool isconvex = false);
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void drawPolygon(Vec2* verts, int count, float thickness, const Color4B& borderColor, bool isconvex = false);
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void drawSolidPolygon(Vec2* verts,
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int count,
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const Color4B& fillColor,
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float thickness,
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const Color4B& borderColor,
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bool isconvex = false);
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/** draw a triangle with color.
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*
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* @param p1 The triangle vertex point.
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* @param p2 The triangle vertex point.
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* @param p3 The triangle vertex point.
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* @param color The triangle color.
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* @js NA
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*/
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void drawTriangle(const Vec2* vertices3, const Color4B& color);
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void drawTriangle(const Vec2& p1, const Vec2& p2, const Vec2& p3, const Color4B& color);
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void drawSolidTriangle(const Vec2* vertices3,
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const Color4B& fillColor,
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const Color4B& borderColor,
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float thickness = 1.0f);
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void drawSolidTriangle(const Vec2& p1,
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const Vec2& p2,
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const Vec2& p3,
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const Color4B& fillColor,
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const Color4B& borderColor,
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float thickness = 1.0f);
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/** Clear the geometry in the node's buffer. */
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void clear();
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/** Get the color mixed mode.
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* @lua NA
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*/
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const BlendFunc& getBlendFunc() const;
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/** Set the color mixed mode.
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* @code
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* When this function bound into js or lua,the parameter will be changed
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* In js: var setBlendFunc(var src, var dst)
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* @endcode
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* @lua NA
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*/
|
|
void setBlendFunc(const BlendFunc& blendFunc);
|
|
|
|
// Overrides
|
|
virtual void draw(Renderer* renderer, const Mat4& transform, uint32_t flags) override;
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|
|
virtual void visit(Renderer* renderer, const Mat4& parentTransform, uint32_t parentFlags) override;
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|
|
|
/**
|
|
* When isolated is set, the position of the node is no longer affected by parent nodes.
|
|
* Which means it will be drawn just like a root node.
|
|
*/
|
|
void setIsolated(bool isolated) { _isolated = isolated; }
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|
|
bool isIsolated() const { return _isolated; }
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|
|
|
DrawNode();
|
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virtual ~DrawNode();
|
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virtual bool init() override;
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|
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protected:
|
|
void updateBuffers();
|
|
void updateShader();
|
|
void updateShaderInternal(CustomCommand& cmd,
|
|
uint32_t programType,
|
|
CustomCommand::DrawType drawType,
|
|
CustomCommand::PrimitiveType primitiveType);
|
|
void freeShaderInternal(CustomCommand& cmd);
|
|
|
|
void setVertexLayout(CustomCommand& cmd);
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|
|
|
void updateBlendState(CustomCommand& cmd);
|
|
void updateUniforms(const Mat4& transform, CustomCommand& cmd);
|
|
|
|
bool _trianglesDirty: 1 = false;
|
|
bool _pointsDirty: 1 = false;
|
|
bool _linesDirty: 1 = false;
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|
|
|
bool _isolated: 1 = false;
|
|
|
|
BlendFunc _blendFunc;
|
|
|
|
CustomCommand _customCommandTriangle;
|
|
CustomCommand _customCommandPoint;
|
|
CustomCommand _customCommandLine;
|
|
|
|
axstd::pod_vector<V2F_C4B_T2F> _triangles;
|
|
axstd::pod_vector<V2F_C4B_T2F> _points;
|
|
axstd::pod_vector<V2F_C4B_T2F> _lines;
|
|
|
|
|
|
private:
|
|
// Internal function _drawPoint
|
|
void _drawPoint(const Vec2& position,
|
|
const float pointSize,
|
|
const Color4B& color,
|
|
const DrawNode::PointType pointType);
|
|
|
|
// Internal function _drawPoints
|
|
void _drawPoints(const Vec2* position,
|
|
unsigned int numberOfPoints,
|
|
const float pointSize,
|
|
const Color4B& color,
|
|
const DrawNode::PointType pointType);
|
|
|
|
// Internal function _drawDot
|
|
void _drawDot(const Vec2& pos, float radius, const Color4B& color);
|
|
|
|
// Internal function _drawTriangle
|
|
// Note: modifies supplied vertex array
|
|
void _drawTriangle(Vec2* vertices3,
|
|
const Color4B& borderColor,
|
|
const Color4B& fillColor,
|
|
bool solid = true,
|
|
float thickness = 0.0f);
|
|
|
|
// Internal function _drawAStar
|
|
void _drawAStar(const Vec2& center,
|
|
float radiusI,
|
|
float radiusO,
|
|
unsigned int segments,
|
|
const Color4B& color,
|
|
const Color4B& filledColor,
|
|
float thickness = 1.0f,
|
|
bool solid = false);
|
|
|
|
// Internal function _drawPoly
|
|
void _drawPoly(const Vec2* poli,
|
|
unsigned int numberOfPoints,
|
|
bool closedPolygon,
|
|
const Color4B& color,
|
|
float thickness = 1.0f,
|
|
bool isconvex = true);
|
|
|
|
// Internal function _drawPolygon
|
|
void _drawPolygon(const Vec2* verts,
|
|
unsigned int count,
|
|
const Color4B& fillColor,
|
|
const Color4B& borderColor,
|
|
bool closedPolygon = true,
|
|
float thickness = 1.0f,
|
|
bool isconvex = true);
|
|
|
|
// Internal function _drawSegment
|
|
void _drawSegment(const Vec2& origin,
|
|
const Vec2& destination,
|
|
const Color4B& color,
|
|
float thickness = 1.0f,
|
|
DrawNode::EndType etStart = DrawNode::EndType::Square,
|
|
DrawNode::EndType etEnd = DrawNode::EndType::Square);
|
|
|
|
// Internal function _drawCircle
|
|
void _drawCircle(const Vec2& center,
|
|
float radius,
|
|
float angle,
|
|
unsigned int segments,
|
|
bool drawLineToCenter,
|
|
float scaleX,
|
|
float scaleY,
|
|
const Color4B& borderColor,
|
|
const Color4B& fillColor,
|
|
bool solid,
|
|
float thickness = 1.0f);
|
|
|
|
// Internal function _drawPie
|
|
void _drawPie(const Vec2& center,
|
|
float radius,
|
|
float rotation,
|
|
int startAngle,
|
|
int endAngle,
|
|
float scaleX,
|
|
float scaleY,
|
|
const Color4B& fillColor,
|
|
const Color4B& borderColor,
|
|
DrawMode drawMode,
|
|
float thickness = 1.0f);
|
|
|
|
/* Internal function _transform
|
|
* @param vertices A Vec2 vertices list.
|
|
* @param count The number of vertices.
|
|
* @param closedPolygon The closedPolygon flag.
|
|
* @js NA
|
|
*/
|
|
axstd::pod_vector<Vec2> _transform(const Vec2* vertices, unsigned int& count, bool closedPolygon = false);
|
|
|
|
void applyTransform(const Vec2* from, Vec2* to, unsigned int count);
|
|
|
|
private:
|
|
AX_DISALLOW_COPY_AND_ASSIGN(DrawNode);
|
|
|
|
public:
|
|
class Properties
|
|
{
|
|
public:
|
|
float factor = 0.5f; /// thickness factor
|
|
|
|
// transforming stuff
|
|
Vec2 scale;
|
|
Vec2 center;
|
|
float rotation;
|
|
Vec2 position;
|
|
|
|
|
|
// Drawing flags
|
|
bool transform = false;
|
|
bool drawOrder = false;
|
|
|
|
/** Set the DrawNode drawOrder
|
|
*
|
|
* @param drawOrder. true/false = On/Off
|
|
* Its for performance there
|
|
* false = cocos2dx behaviour => faster but works only on 1.0f thickness
|
|
|
|
* @js NA
|
|
*/
|
|
void setDrawOrder(bool dO) { drawOrder = dO; };
|
|
|
|
/** Get the DrawNode drawOrder
|
|
*
|
|
* @js NA
|
|
*/
|
|
bool getDrawOrder(void) { return drawOrder; };
|
|
|
|
/** Set the DrawNode transform
|
|
*
|
|
* @param transform. true/false = On/Off
|
|
*
|
|
* @js NA
|
|
*/
|
|
void setTransform(bool t) { transform = t; };
|
|
|
|
/** Get the DrawNode transform
|
|
*
|
|
* @js NA
|
|
*/
|
|
bool getTransform(void) { return transform; };
|
|
|
|
/** Set the DrawNode scale for each drawing primitive after this.
|
|
|
|
* @js NA
|
|
*/
|
|
void setScale(Vec2 s) { scale = s; };
|
|
|
|
/** Set the DrawNode rotation for each drawing primitive after this.
|
|
|
|
* @js NA
|
|
*/
|
|
void setRotation(float r) { rotation = r; };
|
|
|
|
/** Get the DrawNode rotation for each drawing primitive after this.
|
|
|
|
* @js NA
|
|
*/
|
|
float getRotation() { return rotation; };
|
|
|
|
/** Set the DrawNode center of rotation for each drawing primitive after this.
|
|
|
|
* @js NA
|
|
*/
|
|
void setCenter(Vec2 c) { center = c; };
|
|
|
|
/** Get the DrawNode center of rotation for each drawing primitive after this.
|
|
|
|
* @js NA
|
|
*/
|
|
Vec2 getCenter() { return center; };
|
|
|
|
/** Set the DrawNode position for each drawing primitive after this.
|
|
|
|
* @js NA
|
|
*/
|
|
void setPosition(Vec2 p) { position = p; };
|
|
|
|
/** Get the DrawNode position for drawing primitive.
|
|
|
|
* @js NA
|
|
*/
|
|
Vec2 getPosition() { return position; };
|
|
|
|
/** Set all default DrawNode properties.
|
|
|
|
* @js NA
|
|
*/
|
|
void setDefaultValues()
|
|
{
|
|
scale = Vec2(1.0f, 1.0f);
|
|
center = Vec2(0.0f, 0.0f);
|
|
rotation = 0.0f;
|
|
position = Vec2(0.0f, 0.0f);
|
|
drawOrder = false;
|
|
};
|
|
} properties;
|
|
};
|
|
|
|
/** @} */
|
|
} // namespace ax
|
|
|
|
#endif // __DRAW_NODE_EX_H__
|