Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//===========================================================================//
#ifndef RENDER_H
#define RENDER_H
#pragma once
#include "Color.h"
#include "utlstack.h"
#include "hammer_mathlib.h"
#include "MaterialSystem\imesh.h"
class IMaterial;
struct DrawModelInfo_t;
class CCoreDispInfo;
class CMapView;
class CCamera;
class CMapAtom;
class IEditorTexture;
class CMapClass;
class CMapInstance;
typedef unsigned short MDLHandle_t;
#define CAMERA_FRONT_PLANE_DISTANCE 8.0f
#define CAMERA_HORIZONTAL_FOV 90.0f
//
// Colors for selected faces and edges. Kinda hacky; should probably be elsewhere.
//
#define SELECT_FACE_RED 220
#define SELECT_FACE_GREEN 0
#define SELECT_FACE_BLUE 0
#define SELECT_EDGE_RED 255
#define SELECT_EDGE_GREEN 255
#define SELECT_EDGE_BLUE 0
inline void SelectFaceColor( Color &pColor )
{
pColor[0] = SELECT_FACE_RED;
pColor[1] = SELECT_FACE_GREEN;
pColor[2] = SELECT_FACE_BLUE;
}
inline void SelectEdgeColor( Color &pColor )
{
pColor[0] = SELECT_EDGE_RED;
pColor[1] = SELECT_EDGE_GREEN;
pColor[2] = SELECT_EDGE_BLUE;
}
inline void InstanceColor( Color &pColor, bool bSelected )
{
if ( bSelected )
{
pColor[ 0 ] = 192;
pColor[ 1 ] = 128;
pColor[ 2 ] = 0;
pColor[ 3 ] = 192;
}
else
{
pColor[ 0 ] = 128;
pColor[ 1 ] = 128;
pColor[ 2 ] = 0;
pColor[ 3 ] = 192;
}
}
enum EditorRenderMode_t
{
RENDER_MODE_NONE = 0, // dont render anything
RENDER_MODE_EXTERN, // other system is using material system
RENDER_MODE_DEFAULT, // select default material
RENDER_MODE_CURRENT, // the current render mode
RENDER_MODE_WIREFRAME, // wire frame mode
RENDER_MODE_FLAT, // flat solid colors
RENDER_MODE_FLAT_NOZ, // flat solid colors, ignore Z
RENDER_MODE_FLAT_NOCULL, // flat solid colors, no backface culling
RENDER_MODE_DOTTED, // flat colored dotted, ignore Z
RENDER_MODE_TRANSLUCENT_FLAT,
RENDER_MODE_TEXTURED,
RENDER_MODE_LIGHTMAP_GRID,
RENDER_MODE_SELECTION_OVERLAY,
RENDER_MODE_SMOOTHING_GROUP,
RENDER_MODE_TEXTURED_SHADED,
RENDER_MODE_LIGHT_PREVIEW2,
RENDER_MODE_LIGHT_PREVIEW_RAYTRACED,
RENDER_MODE_INSTANCE_OVERLAY,
};
enum InstanceRenderingState_t
{
INSTANCE_STATE_OFF, // normal rendering
INSTANCE_STATE_ON, // will be tinted as an instance
INSTANCE_STACE_SELECTED // will be tinted as a selected instance
};
typedef struct SInstanceState
{
CMapInstance *m_pInstanceClass; // the func_instance entity
Vector m_InstanceOrigin; // the origin offset of instance rendering
QAngle m_InstanceAngles; // the rotation of the instance rendering
VMatrix m_InstanceMatrix; // matrix of the origin and rotation of rendering
VMatrix m_InstanceRenderMatrix; // matrix of the current camera transform
bool m_bIsEditable;
CMapInstance *m_pTopInstanceClass;
} TInstanceState;
#define STENCIL_AS_CALLS 1
class CRender
{
public:
CRender(void);
virtual ~CRender(void);
enum
{ TEXT_SINGLELINE = 0x1, // put all of the text on one line
TEXT_MULTILINE = 0x2, // the text is written on multiple lines
TEXT_JUSTIFY_BOTTOM = 0x4, // default
TEXT_JUSTIFY_TOP = 0x8,
TEXT_JUSTIFY_RIGHT = 0x10, // default
TEXT_JUSTIFY_LEFT = 0x20,
TEXT_JUSTIFY_HORZ_CENTER = 0x40,
TEXT_JUSTIFY_VERT_CENTER = 0x80,
TEXT_CLEAR_BACKGROUND = 0x100
}; // clear the background behind the text
enum
{ HANDLE_NONE = 0,
HANDLE_SQUARE,
HANDLE_CIRCLE,
HANDLE_DIAMOND,
HANDLE_CROSS
};
// map view setup
virtual bool SetView( CMapView *pView );
CMapView *GetView() { return m_pView; }
CCamera *GetCamera();// { return m_pView->GetCamera(); }
bool IsActiveView();
// begin/end single render frame, sets up camera etc
virtual void StartRenderFrame();
virtual void EndRenderFrame();
int GetRenderFrame() { return m_nFrameCount; }
// switch rendering to client space coordinates (horz,vert,ignore)
// render is in world space mode by default
bool BeginClientSpace(void);
void EndClientSpace(void);
bool IsInClientSpace() { return m_bIsClientSpace; }
void BeginLocalTransfrom( const VMatrix &matrix, bool MultiplyCurrent = false );
void EndLocalTransfrom();
bool IsInLocalTransformMode();
void GetLocalTranform( VMatrix &matrix );
void SetTextColor( unsigned char r, unsigned char g, unsigned char b, unsigned char a = 255 );
void SetDrawColor( unsigned char r, unsigned char g, unsigned char b );
void SetDrawColor( const Color &color );
void GetDrawColor( Color &color );
void SetHandleColor( unsigned char r, unsigned char g, unsigned char b );
void SetHandleStyle( int size, int type );
void SetDefaultRenderMode(EditorRenderMode_t eRenderMode);
void BindTexture(IEditorTexture *pTexture);
void BindMaterial( IMaterial *pMaterial );
virtual void SetRenderMode( EditorRenderMode_t eRenderMode, bool force = false);
inline EditorRenderMode_t GetCurrentRenderMode() { return m_eCurrentRenderMode; }
inline EditorRenderMode_t GetDefaultRenderMode() { return m_eDefaultRenderMode; }
void PushRenderMode( EditorRenderMode_t eRenderMode );
void PopRenderMode();
// drawing primitives
void DrawPoint( const Vector &vPoint );
void DrawLine( const Vector &vStart, const Vector &vEnd );
virtual void DrawBox( const Vector &vMins, const Vector &vMaxs, bool bFill = false );
void DrawBoxExt( const Vector &vCenter, float extend, bool bFill = false );
void DrawSphere( const Vector &vCenter, int nRadius );
void DrawCircle( const Vector &vCenter, const Vector &vNormal, float flRadius, int nSegments );
void DrawPolyLine( int nPoints, const Vector *Points );
void DrawText( const char *text, int x, int y, int nFlags ); // Uses pixel coordinates
void DrawText( const char *text, const Vector2D &vPos, int nOffsetX, int nOffsetY, int nFlags ); // Uses "world" coordinates
void DrawHandle( const Vector &vPoint, const Vector2D *vOffset = NULL );
void DrawHandles( int nPoints, const Vector *Points );
void DrawArrow( Vector const &vStart, Vector const &vEnd );
void DrawPlane( const Vector &p0, const Vector &p1, const Vector &p2, const Vector &p3, bool bFill = false );
// drawing complex objects
void DrawModel( DrawModelInfo_t* pInfo, matrix3x4_t *pBoneToWorld, const Vector &vOrigin, float fAlpha = 1, bool bWireframe = false );
void DrawDisplacement( CCoreDispInfo *pDisp );
void DrawCollisionModel( MDLHandle_t mdlHandle, const VMatrix &mViewMatrix );
//
// helper funtions
//
void TransformPoint( Vector2D &vClient, const Vector& vWorld );
void TransformNormal( Vector2D &vClient, const Vector& vWorld );
void GetViewForward( Vector &ViewForward ) const;
void GetViewRight( Vector &ViewRight ) const;
void GetViewUp( Vector &ViewUp ) const;
void PrepareInstanceStencil( void );
void DrawInstanceStencil( void );
void PushInstanceRendering( InstanceRenderingState_t State );
void PopInstanceRendering( void );
void SetInstanceRendering( InstanceRenderingState_t State );
void SetInstanceRendering( bool InstanceRendering ) { m_bInstanceRendering = InstanceRendering; }
virtual void PushInstanceData( CMapInstance *pInstanceClass, Vector &InstanceOrigin, QAngle &InstanceAngles );
virtual void PopInstanceData( void );
bool GetInstanceRendering( void ) { return m_bInstanceRendering; }
CMapInstance *GetInstanceClass( void ) { return m_CurrentInstanceState.m_pInstanceClass; }
void GetInstanceMatrix( VMatrix &Matrix ) { Matrix = m_CurrentInstanceState.m_InstanceMatrix; }
Vector GetInstanceOrigin( void ) { return m_CurrentInstanceState.m_InstanceOrigin; }
QAngle GetInstanceAngle( void ) { return m_CurrentInstanceState.m_InstanceAngles; }
void TransformInstanceVector( Vector &In, Vector &Out ) { m_CurrentInstanceState.m_InstanceMatrix.V3Mul( In, Out ); }
void RotateInstanceVector( Vector &In, Vector &Out ) { VectorRotate( In, m_CurrentInstanceState.m_InstanceMatrix.As3x4(), Out ); }
void TransformInstanceAABB( Vector &InMins, Vector &InMaxs, Vector &OutMins, Vector &OutMaxs ) { TransformAABB( m_CurrentInstanceState.m_InstanceMatrix.As3x4(), InMins, InMaxs, OutMins, OutMaxs ); }
protected:
bool GetRequiredMaterial( const char *pName, IMaterial* &pMaterial );
void UpdateStudioRenderConfig( bool bFlat, bool bWireframe );
// client space helper functions:
void DrawFilledRect( Vector2D& pt1, Vector2D& pt2, unsigned char *pColor, bool bBorder );
void DrawCross( Vector2D& pt1, Vector2D& pt2, unsigned char *pColor );
void DrawCircle( Vector2D &vCenter, float fRadius, int nSegments, unsigned char *pColor );
void DrawRect( Vector2D& pt1, Vector2D& pt2, unsigned char *pColor );
protected:
CMapView *m_pView;
unsigned long m_DefaultFont;
bool m_bIsClientSpace;
bool m_bIsLocalTransform;
CUtlVector< VMatrix > m_LocalMatrix;
VMatrix m_OrthoMatrix;
// Meshbuilder used for drawing
IMesh* m_pMesh;
CMeshBuilder meshBuilder;
// colors
Color m_DrawColor; // current draw/fill color
Color m_TextColor; // current text color
Color m_HandleColor; // current text color
// handle styles
int m_nHandleSize;
int m_nHandleType;
// frame count
int m_nFrameCount; // increases each setup camera
bool m_bIsRendering;
bool m_bIsRenderingIntoVGUI;
// materials
IMaterial* m_pCurrentMaterial; // The currently bound material
IMaterial* m_pBoundMaterial; // a material given from external caller
int m_nDecalMode; // 0 or 1
IMaterial* m_pWireframe[2]; // default wireframe material
IMaterial* m_pFlat[2]; // default flat material
IMaterial* m_pDotted[2]; // default dotted material
IMaterial* m_pFlatNoZ[2]; // default flat material, ignore Z
IMaterial* m_pFlatNoCull[2]; // default flat material, no backface cull
IMaterial* m_pTranslucentFlat[2]; // default translucent flat material
IMaterial* m_pLightmapGrid[2]; // default lightmap grid material
IMaterial* m_pSelectionOverlay[2]; // for selecting actual textures
// render modes
EditorRenderMode_t m_eCurrentRenderMode; // Current render mode setting - Wireframe, flat, or textured.
EditorRenderMode_t m_eDefaultRenderMode; // Default render mode - Wireframe, flat, or textured.
CUtlStack<EditorRenderMode_t> m_RenderModeStack;
// instance
int m_nInstanceCount; // increases each time an instance is drawn regardless of view
bool m_bInstanceRendering; // if true, we are rendering an instance
VMatrix m_CurrentMatrix; // matrix of the current transforms
int m_InstanceSelectionDepth;
TInstanceState m_CurrentInstanceState; // the current instance state ( with current transforms )
CUtlVector< TInstanceState > m_InstanceState; // the instance state stack
#ifndef STENCIL_AS_CALLS
ShaderStencilState_t m_ShaderStencilState;
#endif // STENCIL_AS_CALLS
int m_nNumInstancesRendered; // number of instances rendered that impacted the stencil buffer
CUtlVector< InstanceRenderingState_t > m_InstanceRenderingState; // the instance rendering state stack
};
#endif // RENDER_H