bullet3/examples/RenderingExamples/TinyVRGui.cpp

#include "TinyVRGui.h"
#include "../CommonInterfaces/CommonGUIHelperInterface.h"
#include "../ExampleBrowser/GwenGUISupport/GraphingTexture.h"

#include "../CommonInterfaces/Common2dCanvasInterface.h"
#include "../RenderingExamples/TimeSeriesCanvas.h"
#include "../RenderingExamples/TimeSeriesFontData.h"
#include "../Importers/ImportMeshUtility/b3ImportMeshUtility.h"
#include "../OpenGLWindow/GLInstanceGraphicsShape.h"

#include "../CommonInterfaces/CommonRenderInterface.h"
#include "../CommonInterfaces/CommonParameterInterface.h"
 

struct TestCanvasInterface2 : public Common2dCanvasInterface
{
	b3AlignedObjectArray<unsigned char>& m_texelsRGB;
	int m_width;
	int m_height;

	TestCanvasInterface2(b3AlignedObjectArray<unsigned char>& texelsRGB, int width, int height)
		:m_width(width),
		m_height(height),
		m_texelsRGB(texelsRGB)
	{
	}

	virtual ~TestCanvasInterface2() 
	{}
	virtual int createCanvas(const char* canvasName, int width, int height)
	{
		return 0;
	}
	virtual void destroyCanvas(int canvasId)
	{
	}
	virtual void setPixel(int canvasId, int x, int y, unsigned char red, unsigned char green,unsigned char blue, unsigned char alpha)
	{
		if (x>=0 && x<m_width && y>=0 && y<m_height)
		{
			m_texelsRGB[(x+y*m_width)*3+0] = red;
			m_texelsRGB[(x+y*m_width)*3+1] = green;
			m_texelsRGB[(x+y*m_width)*3+2] = blue;
		}
	}
	virtual void getPixel(int canvasId, int x, int y, unsigned char& red, unsigned char& green,unsigned char& blue, unsigned char& alpha)
	{
		if (x>=0 && x<m_width && y>=0 && y<m_height)
		{
			red = m_texelsRGB[(x+y*m_width)*3+0];
			green = m_texelsRGB[(x+y*m_width)*3+1];
			blue = m_texelsRGB[(x+y*m_width)*3+2];
		}
	}

	virtual void refreshImageData(int canvasId)
	{

	}

};



struct TinyVRGuiInternalData
{
	CommonRenderInterface*	m_renderer;

	b3AlignedObjectArray<unsigned char> m_texelsRGB;
	TestCanvasInterface2* m_testCanvas;
	TimeSeriesCanvas* m_timeSeries;
	int m_src;
	int m_textureId;
	int m_gfxObjectId;

	TinyVRGuiInternalData()
		:m_renderer(0),
		m_testCanvas(0),
		m_timeSeries(0),
		m_src(-1),
		m_textureId(-1),
		m_gfxObjectId(-1)
	{
	}
};


TinyVRGui::TinyVRGui(struct ComboBoxParams& params, struct CommonRenderInterface*	renderer)
{
	m_data = new TinyVRGuiInternalData;
	m_data->m_renderer = renderer;
	

}

TinyVRGui::~TinyVRGui()
{
	delete m_data->m_timeSeries;
	delete m_data->m_testCanvas;
	delete m_data;
}
	
bool TinyVRGui::init()
{
	 {

			
			int width = 256;
			int height = 256;
			m_data->m_texelsRGB.resize(width*height*3);
			for (int i=0;i<width;i++)
				for (int j=0;j<height;j++)
				{
					m_data->m_texelsRGB[(i+j*width)*3+0] = 155;
					m_data->m_texelsRGB[(i+j*width)*3+1] = 155;
					m_data->m_texelsRGB[(i+j*width)*3+2] = 255;
				}
			
			m_data->m_testCanvas = new TestCanvasInterface2(m_data->m_texelsRGB,width,height);
			m_data->m_timeSeries = new TimeSeriesCanvas(m_data->m_testCanvas,width,height,"time series");
			
			
			bool clearCanvas = false;

			m_data->m_timeSeries->setupTimeSeries(3,100, 0,clearCanvas);
			m_data->m_timeSeries->addDataSource("Some sine wave", 255,0,0);
			m_data->m_timeSeries->addDataSource("Some cosine wave", 0,255,0);
			m_data->m_timeSeries->addDataSource("Delta Time (*10)", 0,0,255);
			m_data->m_timeSeries->addDataSource("Tan", 255,0,255);
			m_data->m_timeSeries->addDataSource("Some cosine wave2", 255,255,0);
			m_data->m_timeSeries->addDataSource("Empty source2", 255,0,255);
			
			m_data->m_textureId = m_data->m_renderer->registerTexture(&m_data->m_texelsRGB[0],width,height);

			{
				  
			const char* fileName = "cube.obj";//"textured_sphere_smooth.obj";
			//fileName = "cube.obj";
		
			int shapeId = -1;

			b3ImportMeshData meshData;
			if (b3ImportMeshUtility::loadAndRegisterMeshFromFileInternal(fileName, meshData))
			{
						

				shapeId = m_data->m_renderer->registerShape(&meshData.m_gfxShape->m_vertices->at(0).xyzw[0], 
											meshData.m_gfxShape->m_numvertices, 
											&meshData.m_gfxShape->m_indices->at(0), 
											meshData.m_gfxShape->m_numIndices,
											B3_GL_TRIANGLES,
											m_data->m_textureId);

				float position[4]={0,0,2,1};
				float orn[4]={0,0,0,1};
				float color[4]={1,1,1,1};
				float scaling[4]={.1,.1,.1,1};
                
				m_data->m_gfxObjectId = m_data->m_renderer->registerGraphicsInstance(shapeId,position,orn,color,scaling);
				m_data->m_renderer->writeTransforms();

						
						
				meshData.m_gfxShape->m_scaling[0] = scaling[0];
				meshData.m_gfxShape->m_scaling[1] = scaling[1];
				meshData.m_gfxShape->m_scaling[2] = scaling[2];
                
						
				delete meshData.m_gfxShape;
				delete meshData.m_textureImage;
			}
				
			
		
			}
        }

		 m_data->m_renderer->writeTransforms();
		 return true;
}


void TinyVRGui::tick(b3Scalar deltaTime, const b3Transform& guiWorldTransform)
{
	float time = m_data->m_timeSeries->getCurrentTime();
	float v = sinf(time);
	m_data->m_timeSeries->insertDataAtCurrentTime(v,0,true);
	v = cosf(time);
	m_data->m_timeSeries->insertDataAtCurrentTime(v,1,true);
	v = tanf(time);
	m_data->m_timeSeries->insertDataAtCurrentTime(v,3,true);
	m_data->m_timeSeries->insertDataAtCurrentTime(deltaTime*10,2,true);

	m_data->m_timeSeries->nextTick();

	m_data->m_renderer->updateTexture(m_data->m_textureId,&m_data->m_texelsRGB[0]);
	m_data->m_renderer->writeSingleInstanceTransformToCPU(guiWorldTransform.getOrigin(),guiWorldTransform.getRotation(),m_data->m_gfxObjectId);
    m_data->m_renderer->writeTransforms();
}

void TinyVRGui::clearTextArea()
{
		int width = 256;
		int height = 50;
		for (int i=0;i<width;i++)
			for (int j=0;j<height;j++)
			{
				m_data->m_texelsRGB[(i+j*width)*3+0] = 155;
				m_data->m_texelsRGB[(i+j*width)*3+1] = 155;
				m_data->m_texelsRGB[(i+j*width)*3+2] = 255;
			}
}

void TinyVRGui::grapicalPrintf(const char* str,int rasterposx,int rasterposy,unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha)
{
	m_data->m_timeSeries->grapicalPrintf(str,sTimeSeriesFontData,rasterposx,rasterposy,red,green,blue,alpha);
}