SH4 (PC) SLGT.bt

//------------------------------------------------
//--- 010 Editor v13.0.2 Binary Template
//
//      File: SH4 (PC) SLGT.bt
//   Authors: Hunter Stanton (hun10sta)
//   Version: 
//   Purpose: A binary template for Silent Hill 4 SLGT chunks (lighting for a scene)
//  Category: 
// File Mask: 
//  ID Bytes: 
//   History: 
//------------------------------------------------

enum sgLightType
{
    SG_LIGHT_NONE,
    SG_LIGHT_AMBIENT,
    SG_LIGHT_DIRECTIONAL,
    SG_LIGHT_POINT,
    SG_LIGHT_SPOT,
    SG_LIGHT_REFLECT_DIRECTIONAL,
    SG_LIGHT_REFLECT_POINT
};

typedef struct Position
{
    float x;
    float y;
    float z;
    float w;
} position;

typedef struct LightFlag
{
        ubyte value : 4; // not sure what this is really, could indicate whether or not the light is supposed to affect models and etc.
        ubyte glow_value : 4;
} lightFlag;

typedef struct Light
{
    sgLightType kind;
    ubyte r;
    ubyte g;
    ubyte b;
    LightFlag light_flag;
    float intensity;
    float scale;
    Position pos;
    Position direction;
    float cone_angle;
    float penumbra_angle;
    float shadow_length;
    float unk; // possible this is just padding or something
} light;

struct SLGT
{
    char type[4]; // always SLGT, game checks for this byte sequence or it wont load the lights
    if(type == "SLGT")
    {
        uint32 version;
        uint32 light_num;
        uint32 padding;

        Light lights[light_num];
    } else {
        Warning("Not a SLGT file, can not continue");
    }
} slgt_block;