283 lines
10 KiB
C++
283 lines
10 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//===========================================================================//
|
|
|
|
#ifndef ICLIENTRENDERABLE_H
|
|
#define ICLIENTRENDERABLE_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "mathlib/mathlib.h"
|
|
#include "interface.h"
|
|
#include "iclientunknown.h"
|
|
#include "client_render_handle.h"
|
|
#include "engine/ivmodelrender.h"
|
|
|
|
struct model_t;
|
|
struct matrix3x4_t;
|
|
|
|
extern void DefaultRenderBoundsWorldspace( IClientRenderable *pRenderable, Vector &absMins, Vector &absMaxs );
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Handles to a client shadow
|
|
//-----------------------------------------------------------------------------
|
|
typedef unsigned short ClientShadowHandle_t;
|
|
|
|
enum
|
|
{
|
|
CLIENTSHADOW_INVALID_HANDLE = (ClientShadowHandle_t)~0
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// What kind of shadows to render?
|
|
//-----------------------------------------------------------------------------
|
|
enum ShadowType_t
|
|
{
|
|
SHADOWS_NONE = 0,
|
|
SHADOWS_SIMPLE,
|
|
SHADOWS_RENDER_TO_TEXTURE,
|
|
SHADOWS_RENDER_TO_TEXTURE_DYNAMIC, // the shadow is always changing state
|
|
SHADOWS_RENDER_TO_DEPTH_TEXTURE,
|
|
};
|
|
|
|
|
|
// This provides a way for entities to know when they've entered or left the PVS.
|
|
// Normally, server entities can use NotifyShouldTransmit to get this info, but client-only
|
|
// entities can use this. Store a CPVSNotifyInfo in your
|
|
//
|
|
// When bInPVS=true, it's being called DURING rendering. It might be after rendering any
|
|
// number of views.
|
|
//
|
|
// If no views had the entity, then it is called with bInPVS=false after rendering.
|
|
abstract_class IPVSNotify
|
|
{
|
|
public:
|
|
virtual void OnPVSStatusChanged( bool bInPVS ) = 0;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: All client entities must implement this interface.
|
|
//-----------------------------------------------------------------------------
|
|
abstract_class IClientRenderable
|
|
{
|
|
public:
|
|
// Gets at the containing class...
|
|
virtual IClientUnknown* GetIClientUnknown() = 0;
|
|
|
|
// Data accessors
|
|
virtual Vector const& GetRenderOrigin( void ) = 0;
|
|
virtual QAngle const& GetRenderAngles( void ) = 0;
|
|
virtual bool ShouldDraw( void ) = 0;
|
|
virtual bool IsTransparent( void ) = 0;
|
|
virtual bool UsesPowerOfTwoFrameBufferTexture() = 0;
|
|
virtual bool UsesFullFrameBufferTexture() = 0;
|
|
|
|
virtual ClientShadowHandle_t GetShadowHandle() const = 0;
|
|
|
|
// Used by the leaf system to store its render handle.
|
|
virtual ClientRenderHandle_t& RenderHandle() = 0;
|
|
|
|
// Render baby!
|
|
virtual const model_t* GetModel( ) const = 0;
|
|
virtual int DrawModel( int flags ) = 0;
|
|
|
|
// Get the body parameter
|
|
virtual int GetBody() = 0;
|
|
|
|
// Determine alpha and blend amount for transparent objects based on render state info
|
|
virtual void ComputeFxBlend( ) = 0;
|
|
virtual int GetFxBlend( void ) = 0;
|
|
|
|
// Determine the color modulation amount
|
|
virtual void GetColorModulation( float* color ) = 0;
|
|
|
|
// Returns false if the entity shouldn't be drawn due to LOD.
|
|
// (NOTE: This is no longer used/supported, but kept in the vtable for backwards compat)
|
|
virtual bool LODTest() = 0;
|
|
|
|
// Call this to get the current bone transforms for the model.
|
|
// currentTime parameter will affect interpolation
|
|
// nMaxBones specifies how many matrices pBoneToWorldOut can hold. (Should be greater than or
|
|
// equal to studiohdr_t::numbones. Use MAXSTUDIOBONES to be safe.)
|
|
virtual bool SetupBones( matrix3x4_t *pBoneToWorldOut, int nMaxBones, int boneMask, float currentTime ) = 0;
|
|
|
|
virtual void SetupWeights( const matrix3x4_t *pBoneToWorld, int nFlexWeightCount, float *pFlexWeights, float *pFlexDelayedWeights ) = 0;
|
|
virtual void DoAnimationEvents( void ) = 0;
|
|
|
|
// Return this if you want PVS notifications. See IPVSNotify for more info.
|
|
// Note: you must always return the same value from this function. If you don't,
|
|
// undefined things will occur, and they won't be good.
|
|
virtual IPVSNotify* GetPVSNotifyInterface() = 0;
|
|
|
|
// Returns the bounds relative to the origin (render bounds)
|
|
virtual void GetRenderBounds( Vector& mins, Vector& maxs ) = 0;
|
|
|
|
// returns the bounds as an AABB in worldspace
|
|
virtual void GetRenderBoundsWorldspace( Vector& mins, Vector& maxs ) = 0;
|
|
|
|
// These normally call through to GetRenderAngles/GetRenderBounds, but some entities custom implement them.
|
|
virtual void GetShadowRenderBounds( Vector &mins, Vector &maxs, ShadowType_t shadowType ) = 0;
|
|
|
|
// Should this object be able to have shadows cast onto it?
|
|
virtual bool ShouldReceiveProjectedTextures( int flags ) = 0;
|
|
|
|
// These methods return true if we want a per-renderable shadow cast direction + distance
|
|
virtual bool GetShadowCastDistance( float *pDist, ShadowType_t shadowType ) const = 0;
|
|
virtual bool GetShadowCastDirection( Vector *pDirection, ShadowType_t shadowType ) const = 0;
|
|
|
|
// Other methods related to shadow rendering
|
|
virtual bool IsShadowDirty( ) = 0;
|
|
virtual void MarkShadowDirty( bool bDirty ) = 0;
|
|
|
|
// Iteration over shadow hierarchy
|
|
virtual IClientRenderable *GetShadowParent() = 0;
|
|
virtual IClientRenderable *FirstShadowChild() = 0;
|
|
virtual IClientRenderable *NextShadowPeer() = 0;
|
|
|
|
// Returns the shadow cast type
|
|
virtual ShadowType_t ShadowCastType() = 0;
|
|
|
|
// Create/get/destroy model instance
|
|
virtual void CreateModelInstance() = 0;
|
|
virtual ModelInstanceHandle_t GetModelInstance() = 0;
|
|
|
|
// Returns the transform from RenderOrigin/RenderAngles to world
|
|
virtual const matrix3x4_t &RenderableToWorldTransform() = 0;
|
|
|
|
// Attachments
|
|
virtual int LookupAttachment( const char *pAttachmentName ) = 0;
|
|
virtual bool GetAttachment( int number, Vector &origin, QAngle &angles ) = 0;
|
|
virtual bool GetAttachment( int number, matrix3x4_t &matrix ) = 0;
|
|
|
|
// Rendering clip plane, should be 4 floats, return value of NULL indicates a disabled render clip plane
|
|
virtual float *GetRenderClipPlane( void ) = 0;
|
|
|
|
// Get the skin parameter
|
|
virtual int GetSkin() = 0;
|
|
|
|
// Is this a two-pass renderable?
|
|
virtual bool IsTwoPass( void ) = 0;
|
|
|
|
virtual void OnThreadedDrawSetup() = 0;
|
|
|
|
virtual bool UsesFlexDelayedWeights() = 0;
|
|
|
|
virtual void RecordToolMessage() = 0;
|
|
|
|
virtual bool IgnoresZBuffer( void ) const = 0;
|
|
};
|
|
|
|
|
|
// This class can be used to implement default versions of some of the
|
|
// functions of IClientRenderable.
|
|
abstract_class CDefaultClientRenderable : public IClientUnknown, public IClientRenderable
|
|
{
|
|
public:
|
|
CDefaultClientRenderable()
|
|
{
|
|
m_hRenderHandle = INVALID_CLIENT_RENDER_HANDLE;
|
|
}
|
|
|
|
virtual const Vector & GetRenderOrigin( void ) = 0;
|
|
virtual const QAngle & GetRenderAngles( void ) = 0;
|
|
virtual const matrix3x4_t & RenderableToWorldTransform() = 0;
|
|
virtual bool ShouldDraw( void ) = 0;
|
|
virtual bool IsTransparent( void ) = 0;
|
|
virtual bool IsTwoPass( void ) { return false; }
|
|
virtual void OnThreadedDrawSetup() {}
|
|
virtual bool UsesPowerOfTwoFrameBufferTexture( void ) { return false; }
|
|
virtual bool UsesFullFrameBufferTexture( void ) { return false; }
|
|
|
|
virtual ClientShadowHandle_t GetShadowHandle() const
|
|
{
|
|
return CLIENTSHADOW_INVALID_HANDLE;
|
|
}
|
|
|
|
virtual ClientRenderHandle_t& RenderHandle()
|
|
{
|
|
return m_hRenderHandle;
|
|
}
|
|
|
|
virtual int GetBody() { return 0; }
|
|
virtual int GetSkin() { return 0; }
|
|
virtual bool UsesFlexDelayedWeights() { return false; }
|
|
|
|
virtual const model_t* GetModel( ) const { return NULL; }
|
|
virtual int DrawModel( int flags ) { return 0; }
|
|
virtual void ComputeFxBlend( ) { return; }
|
|
virtual int GetFxBlend( ) { return 255; }
|
|
virtual bool LODTest() { return true; }
|
|
virtual bool SetupBones( matrix3x4_t *pBoneToWorldOut, int nMaxBones, int boneMask, float currentTime ) { return true; }
|
|
virtual void SetupWeights( const matrix3x4_t *pBoneToWorld, int nFlexWeightCount, float *pFlexWeights, float *pFlexDelayedWeights ) {}
|
|
virtual void DoAnimationEvents( void ) {}
|
|
virtual IPVSNotify* GetPVSNotifyInterface() { return NULL; }
|
|
virtual void GetRenderBoundsWorldspace( Vector& absMins, Vector& absMaxs ) { DefaultRenderBoundsWorldspace( this, absMins, absMaxs ); }
|
|
|
|
// Determine the color modulation amount
|
|
virtual void GetColorModulation( float* color )
|
|
{
|
|
Assert(color);
|
|
color[0] = color[1] = color[2] = 1.0f;
|
|
}
|
|
|
|
// Should this object be able to have shadows cast onto it?
|
|
virtual bool ShouldReceiveProjectedTextures( int flags )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// These methods return true if we want a per-renderable shadow cast direction + distance
|
|
virtual bool GetShadowCastDistance( float *pDist, ShadowType_t shadowType ) const { return false; }
|
|
virtual bool GetShadowCastDirection( Vector *pDirection, ShadowType_t shadowType ) const { return false; }
|
|
|
|
virtual void GetShadowRenderBounds( Vector &mins, Vector &maxs, ShadowType_t shadowType )
|
|
{
|
|
GetRenderBounds( mins, maxs );
|
|
}
|
|
|
|
virtual bool IsShadowDirty( ) { return false; }
|
|
virtual void MarkShadowDirty( bool bDirty ) {}
|
|
virtual IClientRenderable *GetShadowParent() { return NULL; }
|
|
virtual IClientRenderable *FirstShadowChild(){ return NULL; }
|
|
virtual IClientRenderable *NextShadowPeer() { return NULL; }
|
|
virtual ShadowType_t ShadowCastType() { return SHADOWS_NONE; }
|
|
virtual void CreateModelInstance() {}
|
|
virtual ModelInstanceHandle_t GetModelInstance() { return MODEL_INSTANCE_INVALID; }
|
|
|
|
// Attachments
|
|
virtual int LookupAttachment( const char *pAttachmentName ) { return -1; }
|
|
virtual bool GetAttachment( int number, Vector &origin, QAngle &angles ) { return false; }
|
|
virtual bool GetAttachment( int number, matrix3x4_t &matrix ) { return false; }
|
|
|
|
// Rendering clip plane, should be 4 floats, return value of NULL indicates a disabled render clip plane
|
|
virtual float *GetRenderClipPlane() { return NULL; }
|
|
|
|
virtual void RecordToolMessage() {}
|
|
virtual bool IgnoresZBuffer( void ) const { return false; }
|
|
|
|
// IClientUnknown implementation.
|
|
public:
|
|
virtual void SetRefEHandle( const CBaseHandle &handle ) { Assert( false ); }
|
|
virtual const CBaseHandle& GetRefEHandle() const { Assert( false ); return *((CBaseHandle*)0); }
|
|
|
|
virtual IClientUnknown* GetIClientUnknown() { return this; }
|
|
virtual ICollideable* GetCollideable() { return 0; }
|
|
virtual IClientRenderable* GetClientRenderable() { return this; }
|
|
virtual IClientNetworkable* GetClientNetworkable() { return 0; }
|
|
virtual IClientEntity* GetIClientEntity() { return 0; }
|
|
virtual C_BaseEntity* GetBaseEntity() { return 0; }
|
|
virtual IClientThinkable* GetClientThinkable() { return 0; }
|
|
|
|
|
|
public:
|
|
ClientRenderHandle_t m_hRenderHandle;
|
|
};
|
|
|
|
|
|
#endif // ICLIENTRENDERABLE_H
|