im3dcontext.h

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#pragma once
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
 
#include "coregraphics/buffer.h"
#include "graphics/graphicscontext.h"
#include "input/inputevent.h"
#include "math/bbox.h"
#include "math/line.h"
 
namespace Im3d
{
enum RenderFlag
{
    CheckDepth = 0x1,
    AlwaysOnTop = 0x2,
    Wireframe = 0x4,
    Solid = 0x8,
    NumDepthFlags
};
 
class Im3dContext : public Graphics::GraphicsContext
{
    __DeclarePluginContext();
public:
    Im3dContext();
    virtual ~Im3dContext();
 
    static void Create();
    static void Discard();
 
    static void DrawText(const Math::vec3& position, Util::String const& text, const float size = 10.0f, const Math::vec4 color = { 1.0f, 0.0f, 0.0f, 1.0f }, uint32_t renderFlags = CheckDepth);
 
    static void DrawPoint(const Math::vec3& position, const float size = 10.0f, const Math::vec4 color = { 1.0f, 0.0f, 0.0f, 1.0f }, uint32_t renderFlags = CheckDepth);
 
    static void DrawLine(const Math::line& line, const float size = 1.0f, const Math::vec4 color = {1.0f, 0.0f, 0.0f, 1.0f}, uint32_t renderFlags = CheckDepth);
 
    static void DrawBox(const Math::bbox& box, const Math::vec4& color, uint32_t renderFlags = CheckDepth|Wireframe);
 
    static void DrawOrientedBox(const Math::mat4& transform, const Math::bbox& box, const Math::vec4& color, uint32_t renderFlags = CheckDepth | Wireframe);
 
    static void DrawBox(const Math::mat4& modelTransform, const Math::vec4& color, uint32_t renderFlags = CheckDepth | Wireframe);
    static void DrawSphere(const Math::mat4& modelTransform, const Math::vec4& color, uint32_t renderFlags = CheckDepth | Wireframe);
    static void DrawSphere(const Math::point& pos, float radius, const Math::vec4& color, uint32_t renderFlags = CheckDepth | Wireframe);
    static void DrawCylinder(const Math::mat4& modelTransform, const Math::vec4& color, uint32_t renderFlags = CheckDepth | Wireframe);
    static void DrawCone(const Math::mat4& modelTransform, const Math::vec4& color, uint32_t renderFlags = CheckDepth | Wireframe);
 
    static void OnPrepareView(const Ptr<Graphics::View>& view, const Graphics::FrameContext& ctx);
    static void Render(const CoreGraphics::CmdBufferId cmdBuf, const IndexT frameIndex);
           
    static bool HandleInput(const Input::InputEvent& event);
 
    static void SetGridStatus(bool enable);
    static void SetGridSize(float cellSize, int cellCount);
    static void SetGridColor(Math::vec4 const& color);
    static void SetGridOffset(Math::vec2 const& offset);
    static void SetGizmoSize(int size, int width);
};
 
 
} // namespace Im3d