mirror of
https://github.com/ptitSeb/Serious-Engine
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184 lines
8.0 KiB
C
184 lines
8.0 KiB
C
/*
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* LWSDK Header File
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* Copyright 1999, NewTek, Inc.
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*
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* LWTXTR.H -- LightWave Textures
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*/
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#ifndef LWSDK_TXTR_H
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#define LWSDK_TXTR_H
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typedef struct st_TxtrLayer *LWTLayerID;
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typedef struct st_LWMicropol *LWMicropolID;
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typedef struct st_TxtrContext *LWTxtrContextID;
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#include <lwrender.h>
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#include <lwenvel.h>
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#include <lwio.h>
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/*
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Texture coordinate context:
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0 = any: all layers are evaluated.
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1 = object: only object coordinate layers will be evaluated
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2 = world: only world coordinate layers will be evaluated.
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The conetxt should usually be set to 0, unless the texture needs
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to be evaluated in 2 steps, which is unusual.
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*/
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#define TCC_ANY 0
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#define TCC_OBJECT 1
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#define TCC_WORLD 2
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typedef struct st_LWMicropol {
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double oPos[3],wPos[3],oScl[3];
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double gNorm[3],wNorm[3],ray[3];
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double bumpHeight,txVal;
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double spotSize;
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double raySource[3];
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double rayLength;
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double cosine;
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double oXfrm[9],wXfrm[9]; // transformation matrix
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LWItemID objID,srfID; // object ID, surface ID
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LWPntID verts[4]; // surrounding vertex IDs
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float weights[4]; // vertex weigths
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float vertsWPos[4][3]; // vertex world positions
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int polNum,oAxis,wAxis,context; // polygon number, dominant axis in object and world coordinates, coordinates context
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LWIlluminateFunc *illuminate;
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LWRayTraceFunc *rayTrace;
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LWRayCastFunc *rayCast;
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LWRayShadeFunc *rayShade;
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void *userData;
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LWPolID polygon;
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} LWMicropol;
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typedef struct st_LWTxtrParamDesc{
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char *name; // parameter name for gradient input POPUP
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double start,end; // start and end values for this parameter
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int type,flags,itemType; // return type (unit), gradient flags
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// type of item used by gradient
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LWItemID itemID; // item used if any
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char *itemName; // item name if any
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} LWTxtrParamDesc;
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/*input parameter Types */
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#define LWIPT_FLOAT 2
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#define LWIPT_DISTANCE 3
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#define LWIPT_PERCENT 4
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#define LWIPT_ANGLE 5
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/* gParamDesc flags */
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#define LWGF_FIXED_MIN (1<<0) // min value fixed
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#define LWGF_FIXED_MAX (1<<1) // max value fixed
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#define LWGF_FIXED_START (1<<2) // start param value fixed
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#define LWGF_FIXED_END (1<<3) // end param value fixed
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#define LWGF_AUTOSIZE (1<<4) // autosize enabled
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/* item type*/
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#define LWGI_NONE -1
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#define LWGI_OBJECT 0
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#define LWGI_LIGHT 1
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#define LWGI_CAMERA 2
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#define LWGI_BONE 3
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#define LWGI_VMAP 4
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typedef void *gParamData;
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typedef struct st_LWTxtrParamFuncs {
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double (*paramEvaluate)(LWTxtrParamDesc *param,int paramNb,LWMicropol *mp,gParamData data);
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gParamData (*paramTime)(void *userData,LWTxtrParamDesc *param,int paramNb,LWTime t,LWFrame f);
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void (*paramCleanup)(LWTxtrParamDesc *param,int paramNb,gParamData data);
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} LWTxtrParamFuncs;
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#define LWTEXTUREFUNCS_GLOBAL "Texture Functions 2"
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typedef struct st_LWTextureFuncs {
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LWTxtrContextID (*contextCreate)(LWTxtrParamFuncs funcs);
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void (*contextDestroy)(LWTxtrContextID gc);
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void (*contextAddParam)(LWTxtrContextID gc,LWTxtrParamDesc pd);
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LWTextureID (*create)(int returnType,const char *name,LWTxtrContextID gc,void *userData);
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void (*destroy)(LWTextureID txtr);
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void (*copy)(LWTextureID to,LWTextureID from);
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void (*newtime)(LWTextureID txtr,LWTime t,LWFrame f);
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void (*cleanup)(LWTextureID txtr);
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void (*load)(LWTextureID txtr,const LWLoadState *loadState);
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void (*save)(LWTextureID txtr,const LWSaveState *saveState);
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double (*evaluate)(LWTextureID txtr,LWMicropolID mp,double *rv);
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void (*setEnvGroup) (LWTextureID txtr,LWChanGroupID grp);
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LWTLayerID (*firstLayer)(LWTextureID txtr);
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LWTLayerID (*lastLayer)(LWTextureID txtr);
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LWTLayerID (*nextLayer)(LWTextureID txtr,LWTLayerID layer);
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LWTLayerID (*layerAdd)(LWTextureID txtr,int layerType);
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void (*layerSetType)(LWTLayerID layer,int layerType);
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int (*layerType)(LWTLayerID layer);
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double (*layerEvaluate)(LWTLayerID layer,LWMicropolID mp,double *rv);
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LWChanGroupID (*layerEnvGroup)(LWTLayerID layer);
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int (*setParam)(LWTLayerID layer,int tag,void *data);
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int (*getParam)(LWTLayerID layer,int tag,void *data);
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void (*evaluateUV)(LWTLayerID layer,int wAxis,int oAxis,double oPos[3],double wPos[3],double uv[2]);
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double (*noise)(double p[3]); // returns Perlin's noise values in [0,1]
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void *(*userData)(LWTextureID txtr);
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LWChanGroupID (*envGroup)(LWTextureID txtr);
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LWTextureID (*texture)(LWTLayerID layer);
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const char *(*name)(LWTextureID txtr);
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int (*type)(LWTextureID txtr);
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LWTxtrContextID (*context)(LWTextureID txtr);
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} LWTextureFuncs;
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/*layer types*/
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#define TLT_IMAGE 0
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#define TLT_PROC 1
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#define TLT_GRAD 2
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/*return types*/
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#define TRT_VECTOR 0
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#define TRT_COLOR 1
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#define TRT_PERCENT 2
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#define TRT_SCALAR 3
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#define TRT_DISPLACEMENT 4
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/* parameter tags */
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/* Tag data type*/
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typedef enum LWTextureTag
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{
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TXTAG_POSI, // double [3]
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TXTAG_ROTA, // double [3]
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TXTAG_SIZE, // double [3]
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TXTAG_FALL, // double [3]
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TXTAG_PROJ, // int *
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TXTAG_AXIS, // int *
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TXTAG_WWRP, // double *
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TXTAG_HWRP, // double *
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TXTAG_COORD,// int *
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TXTAG_IMAGE,// ImageID *
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TXTAG_VMAP, // VMapID *
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TXTAG_ROBJ, // LWItemID *
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TXTAG_OPAC, // double *
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TXTAG_AA, // int *
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TXTAG_AAVAL, // double *
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TXTAG_PIXBLEND, // int *
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TXTAG_WREPEAT, // int *
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TXTAG_HREPEAT // int *
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};
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/* projection modes */
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typedef enum LWTextureProjection {
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TXPRJ_PLANAR,
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TXPRJ_CYLINDRICAL,
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TXPRJ_SPHERICAL,
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TXPRJ_CUBIC,
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TXPRJ_FRONT,
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TXPRJ_UVMAP
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};
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/* repeat modes */
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typedef enum LWTextureRepeatMode {
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TXRPT_RESET,
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TXRPT_REPEAT,
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TXRPT_MIRROR,
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TXRPT_EDGE
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};
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#endif
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