mirror of https://github.com/axmolengine/axmol.git
421 lines
15 KiB
C++
421 lines
15 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) 2021 Bytedance Inc.
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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 __CCDRAWNODES_CCDRAW_NODE_H__
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#define __CCDRAWNODES_CCDRAW_NODE_H__
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#include "2d/CCNode.h"
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#include "base/ccTypes.h"
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#include "renderer/CCCustomCommand.h"
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#include "math/CCMath.h"
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#include "base/any_buffer.h"
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NS_CC_BEGIN
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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 CC_DLL DrawNode : public Node
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{
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public:
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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(float defaultLineWidth = DEFAULT_LINE_WIDTH);
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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, const float pointSize, const Color4B& color);
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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, unsigned int numberOfPoints, const Color4B& color);
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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, unsigned int numberOfPoints, const float pointSize, const Color4B& color);
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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, const Vec2& destination, const Color4B& color);
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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);
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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, unsigned int numberOfPoints, bool closePolygon, const Color4B& color);
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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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*/
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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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/** 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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*/
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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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/** 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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/** 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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/** 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, float tension, unsigned int segments, const Color4B& color);
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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);
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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, const Vec2& p2, const Vec2& p3, const Vec2& p4, const Color4B& color);
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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, const Vec2& destination, const Color4B& color);
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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, unsigned int numberOfPoints, 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 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 borderWidth 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 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 borderWidth,
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const Color4B& borderColor);
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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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/** 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, const Vec2& to, float radius, const Color4B& color);
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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 borderWidth 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(const Vec2* verts,
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int count,
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const Color4B& fillColor,
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float borderWidth,
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const Color4B& borderColor);
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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& p1, const Vec2& p2, const Vec2& p3, const Color4B& color);
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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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*/
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void setBlendFunc(const BlendFunc& blendFunc);
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// Overrides
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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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void setLineWidth(float lineWidth);
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// Get CocosStudio guide lines width.
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float getLineWidth();
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/**
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* When isolated is set, the position of the node is no longer affected by parent nodes.
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* Which means it will be drawn just like a root node.
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*/
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void setIsolated(bool isolated) { _isolated = isolated; }
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bool isIsolated() const { return _isolated; }
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CC_CONSTRUCTOR_ACCESS : DrawNode(float lineWidth = DEFAULT_LINE_WIDTH);
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virtual ~DrawNode();
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virtual bool init() override;
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protected:
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void ensureCapacity(int count);
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void ensureCapacityGLPoint(int count);
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void ensureCapacityGLLine(int count);
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void updateShader();
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void updateShaderInternal(CustomCommand& cmd,
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uint32_t programType,
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CustomCommand::DrawType drawType,
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CustomCommand::PrimitiveType primitiveType);
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void freeShaderInternal(CustomCommand& cmd);
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void setVertexLayout(CustomCommand& cmd);
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void updateBlendState(CustomCommand& cmd);
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void updateUniforms(const Mat4& transform, CustomCommand& cmd);
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int _bufferCapacityTriangle = 0;
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int _bufferCountTriangle = 0;
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V2F_C4B_T2F* _bufferTriangle = nullptr;
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int _bufferCapacityPoint = 0;
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int _bufferCountPoint = 0;
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V2F_C4B_T2F* _bufferPoint = nullptr;
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Color4F _pointColor;
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int _pointSize = 0;
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int _bufferCapacityLine = 0;
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int _bufferCountLine = 0;
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V2F_C4B_T2F* _bufferLine = nullptr;
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BlendFunc _blendFunc;
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CustomCommand _customCommandTriangle;
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CustomCommand _customCommandPoint;
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CustomCommand _customCommandLine;
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bool _dirtyTriangle = false;
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bool _dirtyPoint = false;
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bool _dirtyLine = false;
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bool _isolated = false;
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float _lineWidth = 0.0f;
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float _defaultLineWidth = 0.0f;
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adxe::any_buffer _abuf;
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private:
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CC_DISALLOW_COPY_AND_ASSIGN(DrawNode);
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};
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/** @} */
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NS_CC_END
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#endif // __CCDRAWNODES_CCDRAW_NODE_H__
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