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2020-08-04 13:13:01 -04:00

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C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//===========================================================================//
#ifndef IVMODELINFO_H
#define IVMODELINFO_H
#ifdef _WIN32
#pragma once
#endif
#include "../tier0/dbg.h"
#include "../tier0/platform.h"
//-----------------------------------------------------------------------------
// Forward declarations
//-----------------------------------------------------------------------------
class IMaterial;
class KeyValues;
struct vcollide_t;
struct model_t;
class Vector;
class QAngle;
class CGameTrace;
struct cplane_t;
typedef CGameTrace trace_t;
struct studiohdr_t;
struct virtualmodel_t;
typedef unsigned char byte;
struct virtualterrainparams_t;
class CPhysCollide;
typedef unsigned short MDLHandle_t;
class CUtlBuffer;
class IClientRenderable;
//-----------------------------------------------------------------------------
// Purpose: a callback class that is notified when a model has finished loading
//-----------------------------------------------------------------------------
abstract_class IModelLoadCallback {
public:
virtual void OnModelLoadComplete(const model_t *pModel) = 0;
protected:
// Protected destructor so that nobody tries to delete via this interface.
// Automatically unregisters if the callback is destroyed while still
// pending.
~IModelLoadCallback();
};
//-----------------------------------------------------------------------------
// Purpose: Automate refcount tracking on a model index
//-----------------------------------------------------------------------------
class CRefCountedModelIndex {
private:
int m_nIndex;
public:
CRefCountedModelIndex() : m_nIndex(-1) {}
~CRefCountedModelIndex() { Set(-1); }
CRefCountedModelIndex(const CRefCountedModelIndex &src) : m_nIndex(-1) {
Set(src.m_nIndex);
}
CRefCountedModelIndex &operator=(const CRefCountedModelIndex &src) {
Set(src.m_nIndex);
return *this;
}
explicit CRefCountedModelIndex(int i) : m_nIndex(-1) { Set(i); }
CRefCountedModelIndex &operator=(int i) {
Set(i);
return *this;
}
int Get() const { return m_nIndex; }
void Set(int i);
void Clear() { Set(-1); }
operator int() const { return m_nIndex; }
};
//-----------------------------------------------------------------------------
// Model info interface
//-----------------------------------------------------------------------------
// change this when the new version is incompatable with the old
#define VMODELINFO_CLIENT_INTERFACE_VERSION "VModelInfoClient006"
#define VMODELINFO_SERVER_INTERFACE_VERSION_3 "VModelInfoServer003"
#define VMODELINFO_SERVER_INTERFACE_VERSION "VModelInfoServer004"
// MODEL INDEX RULES
// If index >= 0, then index references the precached model string table
// If index == -1, then the model is invalid
// If index < -1, then the model is DYNAMIC and has a DYNAMIC INDEX of (-2 -
// index)
// - if the dynamic index is ODD, then the model is CLIENT ONLY
// and has a m_LocalDynamicModels lookup index of (dynamic index)>>1
// - if the dynamic index is EVEN, then the model is NETWORKED
// and has a dynamic model string table index of (dynamic index)>>1
inline bool IsDynamicModelIndex(int modelindex) { return modelindex < -1; }
inline bool IsClientOnlyModelIndex(int modelindex) {
return modelindex < -1 && (modelindex & 1);
}
abstract_class IVModelInfo {
public:
virtual ~IVModelInfo(void) {}
// Returns model_t* pointer for a model given a precached or dynamic model
// index.
virtual const model_t *GetModel(int modelindex) = 0;
// Returns index of model by name for precached or known dynamic models.
// Does not adjust reference count for dynamic models.
virtual int GetModelIndex(const char *name) const = 0;
// Returns name of model
virtual const char *GetModelName(const model_t *model) const = 0;
virtual vcollide_t *GetVCollide(const model_t *model) = 0;
virtual vcollide_t *GetVCollide(int modelindex) = 0;
virtual void GetModelBounds(const model_t *model, Vector &mins,
Vector &maxs) const = 0;
virtual void GetModelRenderBounds(const model_t *model, Vector &mins,
Vector &maxs) const = 0;
virtual int GetModelFrameCount(const model_t *model) const = 0;
virtual int GetModelType(const model_t *model) const = 0;
virtual void *GetModelExtraData(const model_t *model) = 0;
virtual bool ModelHasMaterialProxy(const model_t *model) const = 0;
virtual bool IsTranslucent(model_t const *model) const = 0;
virtual bool IsTranslucentTwoPass(const model_t *model) const = 0;
virtual void RecomputeTranslucency(
const model_t *model, int nSkin, int nBody,
void /*IClientRenderable*/ *pClientRenderable,
float fInstanceAlphaModulate = 1.0f) = 0;
virtual int GetModelMaterialCount(const model_t *model) const = 0;
virtual void GetModelMaterials(const model_t *model, int count,
IMaterial **ppMaterial) = 0;
virtual bool IsModelVertexLit(const model_t *model) const = 0;
virtual const char *GetModelKeyValueText(const model_t *model) = 0;
virtual bool GetModelKeyValue(
const model_t *model,
CUtlBuffer &buf) = 0; // supports keyvalue blocks in submodels
virtual float GetModelRadius(const model_t *model) = 0;
virtual const studiohdr_t *FindModel(const studiohdr_t *pStudioHdr,
void **cache, const char *modelname)
const = 0;
virtual const studiohdr_t *FindModel(void *cache) const = 0;
virtual virtualmodel_t *GetVirtualModel(const studiohdr_t *pStudioHdr)
const = 0;
virtual byte *GetAnimBlock(const studiohdr_t *pStudioHdr, int iBlock)
const = 0;
// Available on client only!!!
virtual void GetModelMaterialColorAndLighting(
const model_t *model, Vector const &origin, QAngle const &angles,
trace_t *pTrace, Vector &lighting, Vector &matColor) = 0;
virtual void GetIlluminationPoint(
const model_t *model, IClientRenderable *pRenderable,
Vector const &origin, QAngle const &angles,
Vector *pLightingCenter) = 0;
virtual int GetModelContents(int modelIndex) = 0;
virtual studiohdr_t *GetStudiomodel(const model_t *mod) = 0;
virtual int GetModelSpriteWidth(const model_t *model) const = 0;
virtual int GetModelSpriteHeight(const model_t *model) const = 0;
// Sets/gets a map-specified fade range (client only)
virtual void SetLevelScreenFadeRange(float flMinSize, float flMaxSize) = 0;
virtual void GetLevelScreenFadeRange(float *pMinArea, float *pMaxArea)
const = 0;
// Sets/gets a map-specified per-view fade range (client only)
virtual void SetViewScreenFadeRange(float flMinSize, float flMaxSize) = 0;
// Computes fade alpha based on distance fade + screen fade (client only)
virtual unsigned char ComputeLevelScreenFade(
const Vector &vecAbsOrigin, float flRadius, float flFadeScale)
const = 0;
virtual unsigned char ComputeViewScreenFade(
const Vector &vecAbsOrigin, float flRadius, float flFadeScale)
const = 0;
// both client and server
virtual int GetAutoplayList(const studiohdr_t *pStudioHdr,
unsigned short **pAutoplayList) const = 0;
// Gets a virtual terrain collision model (creates if necessary)
// NOTE: This may return NULL if the terrain model cannot be virtualized
virtual CPhysCollide *GetCollideForVirtualTerrain(int index) = 0;
virtual bool IsUsingFBTexture(const model_t *model, int nSkin, int nBody,
void /*IClientRenderable*/ *pClientRenderable)
const = 0;
// Obsolete methods. These are left in to maintain binary compatibility with
// clients using the IVModelInfo old version.
virtual const model_t *FindOrLoadModel(const char *name) {
Warning("IVModelInfo::FindOrLoadModel is now obsolte.\n");
return NULL;
}
virtual void InitDynamicModels() {
Warning("IVModelInfo::InitDynamicModels is now obsolte.\n");
}
virtual void ShutdownDynamicModels() {
Warning("IVModelInfo::ShutdownDynamicModels is now obsolte.\n");
}
virtual void AddDynamicModel(const char *name, int nModelIndex = -1) {
Warning("IVModelInfo::AddDynamicModel is now obsolte.\n");
}
virtual void ReferenceModel(int modelindex) {
Warning("IVModelInfo::ReferenceModel is now obsolte.\n");
}
virtual void UnreferenceModel(int modelindex) {
Warning("IVModelInfo::UnreferenceModel is now obsolte.\n");
}
virtual void CleanupDynamicModels(bool bForce = false) {
Warning("IVModelInfo::CleanupDynamicModels is now obsolte.\n");
}
virtual MDLHandle_t GetCacheHandle(const model_t *model) const = 0;
// Returns planes of non-nodraw brush model surfaces
virtual int GetBrushModelPlaneCount(const model_t *model) const = 0;
virtual void GetBrushModelPlane(const model_t *model, int nIndex,
cplane_t &plane, Vector *pOrigin) const = 0;
virtual int GetSurfacepropsForVirtualTerrain(int index) = 0;
// Poked by engine host system
virtual void OnLevelChange() = 0;
virtual int GetModelClientSideIndex(const char *name) const = 0;
// Returns index of model by name, dynamically registered if not already
// known.
virtual int RegisterDynamicModel(const char *name, bool bClientSide) = 0;
virtual bool IsDynamicModelLoading(int modelIndex) = 0;
virtual void AddRefDynamicModel(int modelIndex) = 0;
virtual void ReleaseDynamicModel(int modelIndex) = 0;
// Registers callback for when dynamic model has finished loading.
// Automatically adds reference, pair with ReleaseDynamicModel.
virtual bool RegisterModelLoadCallback(
int modelindex, IModelLoadCallback *pCallback,
bool bCallImmediatelyIfLoaded = true) = 0;
virtual void UnregisterModelLoadCallback(int modelindex,
IModelLoadCallback *pCallback) = 0;
};
typedef IVModelInfo IVModelInfo003;
abstract_class IVModelInfoClient : public IVModelInfo {
public:
virtual void OnDynamicModelsStringTableChange(
int nStringIndex, const char *pString, const void *pData) = 0;
// For tools only!
virtual const model_t *FindOrLoadModel(const char *name) = 0;
};
struct virtualterrainparams_t {
// UNDONE: Add grouping here, specified in BSP file? (test grouping to see
// if this is necessary)
int index;
};
//-----------------------------------------------------------------------------
// Purpose: Force removal from callback list on destruction to avoid crashes.
//-----------------------------------------------------------------------------
inline IModelLoadCallback::~IModelLoadCallback() {
#ifdef CLIENT_DLL
extern IVModelInfoClient *modelinfo;
#else
extern IVModelInfo *modelinfo;
#endif
if (modelinfo) {
modelinfo->UnregisterModelLoadCallback(-1, this);
}
}
//-----------------------------------------------------------------------------
// Purpose: Automate refcount tracking on a model index
//-----------------------------------------------------------------------------
inline void CRefCountedModelIndex::Set(int i) {
#ifdef CLIENT_DLL
extern IVModelInfoClient *modelinfo;
#else
extern IVModelInfo *modelinfo;
#endif
if (i == m_nIndex) return;
modelinfo->AddRefDynamicModel(i);
modelinfo->ReleaseDynamicModel(m_nIndex);
m_nIndex = i;
}
#endif // IVMODELINFO_H