Serious-Engine/Sources/LWSkaExporter/SDK/lwshader.h

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2016-03-11 14:57:17 +01:00
/*
* LWSDK Header File
* Copyright 1999, NewTek, Inc.
*
* LWSHADER.H -- LightWave Surface Shaders
*/
#ifndef LWSDK_SHADER_H
#define LWSDK_SHADER_H
#include <lwrender.h>
#define LWSHADER_HCLASS "ShaderHandler"
#define LWSHADER_ICLASS "ShaderInterface"
#define LWSHADER_VERSION 4
typedef struct st_LWShaderAccess {
int sx, sy;
double oPos[3], wPos[3];
double gNorm[3];
double spotSize;
double raySource[3];
double rayLength;
double cosine;
double oXfrm[9], wXfrm[9];
LWItemID objID;
int polNum;
double wNorm[3];
double color[3];
double luminous;
double diffuse;
double specular;
double mirror;
double transparency;
double eta;
double roughness;
LWIlluminateFunc *illuminate;
LWRayTraceFunc *rayTrace;
LWRayCastFunc *rayCast;
LWRayShadeFunc *rayShade;
int flags;
int bounces;
LWItemID sourceID;
double wNorm0[3];
double bumpHeight;
double translucency;
double colorHL;
double colorFL;
double addTransparency;
double difSharpness;
LWPntID verts[4]; // surrounding vertex IDs
float weights[4]; // vertex weigths
float vertsWPos[4][3]; // vertex world positions
LWPolID polygon; // polygon ID
double replacement_percentage;
double replacement_color[3];
double reflectionBlur;
double refractionBlur;
} LWShaderAccess;
#define LWSAF_SHADOW (1<<0)
typedef struct st_LWShaderHandler {
LWInstanceFuncs *inst;
LWItemFuncs *item;
LWRenderFuncs *rend;
void (*evaluate) (LWInstance, LWShaderAccess *);
unsigned int (*flags) (LWInstance);
} LWShaderHandler;
#define LWSHF_NORMAL (1<<0)
#define LWSHF_COLOR (1<<1)
#define LWSHF_LUMINOUS (1<<2)
#define LWSHF_DIFFUSE (1<<3)
#define LWSHF_SPECULAR (1<<4)
#define LWSHF_MIRROR (1<<5)
#define LWSHF_TRANSP (1<<6)
#define LWSHF_ETA (1<<7)
#define LWSHF_ROUGH (1<<8)
#define LWSHF_TRANSLUCENT (1<<9)
#define LWSHF_RAYTRACE (1<<10)
#endif