openrw/rwengine/include/render/DebugDraw.hpp

#pragma once

#include <LinearMath/btIDebugDraw.h>
#include <render/GameRenderer.hpp>
#include "Model.hpp"

class DebugDraw : public btIDebugDraw
{
public:
	DebugDraw();
	~DebugDraw();

	void drawLine(const btVector3 &from, const btVector3 &to, const btVector3 &color);
	void drawTriangle(const btVector3 &a, const btVector3 &b, const btVector3 &c, const btVector3 &color, btScalar alpha);
	void drawContactPoint(const btVector3 &pointOnB, const btVector3 &normalOnB, btScalar distance, int lifeTime, const btVector3 &color);
	void reportErrorWarning(const char *warningString);
	void draw3dText(const btVector3 &location, const char *textString);
	void setDebugMode(int debugMode);
	int getDebugMode() const;

    void flush(GameRenderer* renderer);

	void setShaderProgram(Renderer::ShaderProgram* shaderProgram) {
		this->shaderProgram = shaderProgram;
	}

protected:
	int debugMode;

	std::vector<Model::GeometryVertex> lines;
	size_t maxlines;
	GeometryBuffer* lineBuff;
	DrawBuffer* dbuff;

	Renderer::ShaderProgram* shaderProgram;

	GLuint texture;
};