records.hpp

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#pragma once

 
#include <array>
#include <cstdint>
 
#include <welder/vocabulary.hpp>
 
#include <wowlib/formats/common/types.hpp>
 
namespace wowlib::formats::wdt::lights::chunks {
  struct [[
      =welder::weld,
      =welder::doc(
        "One WoD point light (MPLT); Legion clients stop reading these in "
        "favor of MPL2.")
    ]] MapPointLightLegacy {
    [[=welder::doc("Unique light id within the WDT.")]]
    std::uint32_t id = 0;
 
    [[=welder::doc("The ADT tile x coordinate.")]]
    std::uint16_t tileX = 0;
 
    [[=welder::doc("The ADT tile y coordinate.")]]
    std::uint16_t tileY = 0;
 
    [[=welder::doc("Light color.")]]
    CArgb color{};
 
    [[=welder::doc("Light position.")]]
    C3Vector position{};
 
    [[=welder::doc(
      "Intensity and related parameters; exact meaning undocumented.")]]
    std::array<float, 3> unknown{};
  };
 
  static_assert(sizeof(MapPointLightLegacy) == 36);
 
  struct [[
      =welder::weld,
      =welder::doc("One Legion point light (MPL2).")
    ]] MapPointLight {
    [[=welder::doc(
      "Unique light id within the WDT; increment for each new light.")]]
    std::uint32_t id = 0;
 
    [[=welder::doc("Light color (b, g, r, a); alpha 0 means fully opaque.")]]
    CImVector color{};
 
    [[=welder::doc("Light position.")]]
    C3Vector position{};
 
    [[=welder::doc("Where the light's spread starts; usually 0.")]]
    float attenuationStart = 0;
 
    [[=welder::doc("How far the light spreads.")]]
    float attenuationEnd = 0;
 
    [[=welder::doc("Light intensity.")]]
    float intensity = 0;
 
    [[=welder::doc("Rotation; usually zero for point lights.")]]
    C3Vector rotation{};
 
    [[=welder::doc("The ADT tile x coordinate.")]]
    std::uint16_t tileX = 0;
 
    [[=welder::doc("The ADT tile y coordinate.")]]
    std::uint16_t tileY = 0;
 
    [[=welder::doc("Index into MLTA, or -1 when unanimated.")]]
    std::int16_t mltaIndex = -1;
 
    [[=welder::doc("Index into MTEX, or -1.")]]
    std::int16_t textureIndex = -1;
  };
 
  static_assert(sizeof(MapPointLight) == 0x34);
 
  struct [[
      =welder::weld,
      =welder::doc(
        "One Shadowlands point light (MPL3; replaces MPL2 in 9.0+ files).")
    ]] MapPointLight3 {
    [[=welder::doc("Unique light id within the WDT.")]]
    std::uint32_t id = 0;
 
    [[=welder::doc("Light color (b, g, r, a); alpha 0 means fully opaque.")]]
    CImVector color{};
 
    [[=welder::doc("Light position.")]]
    C3Vector position{};
 
    [[=welder::doc("Where the light's spread starts.")]]
    float attenuationStart = 0;
 
    [[=welder::doc("How far the light spreads.")]]
    float attenuationEnd = 0;
 
    [[=welder::doc("Light intensity.")]]
    float intensity = 0;
 
    [[=welder::doc("Rotation; only used to orient light-cookie projection.")]]
    C3Vector rotation{};
 
    [[=welder::doc("The ADT tile x coordinate.")]]
    std::uint16_t tileX = 0;
 
    [[=welder::doc("The ADT tile y coordinate.")]]
    std::uint16_t tileY = 0;
 
    [[=welder::doc("Index into MLTA, or -1 when unanimated.")]]
    std::int16_t mltaIndex = -1;
 
    [[=welder::doc("Index into MTEX for the light-cookie texture, or -1.")]]
    std::int16_t textureIndex = -1;
 
    [[=welder::doc(
      "Flags; 0x1 casts raytraced shadows (D3D12, shadow RT level 2+).")]]
    std::uint16_t flags = 0;
 
    [[=welder::doc(
      "Scale as a raw IEEE half-float (0.5 is the default; 10.0 hides "
      "player shadows).")]]
    std::uint16_t scaleHalf = 0x3800;
  };
 
  static_assert(sizeof(MapPointLight3) == 0x38);
 
  struct [[
      =welder::weld,
      =welder::doc("One Legion spot light (MSLT).")
    ]] MapSpotLight {
    [[=welder::doc("Unique light id within the WDT.")]]
    std::uint32_t id = 0;
 
    [[=welder::doc("Light color (b, g, r, a); alpha 0 means fully opaque.")]]
    CImVector color{};
 
    [[=welder::doc("Light position.")]]
    C3Vector position{};
 
    [[=welder::doc(
      "Where the light's spread starts; must be <= attenuation_end.")]]
    float attenuationStart = 0;
 
    [[=welder::doc("How far the light spreads.")]]
    float attenuationEnd = 0;
 
    [[=welder::doc("Light intensity.")]]
    float intensity = 0;
 
    [[=welder::doc("Rotation, radians.")]]
    C3Vector rotation{};
 
    [[=welder::doc("Spotlight cone radius.")]]
    float spotlightRadius = 0;
 
    [[=welder::doc("Inner cone angle, radians.")]]
    float innerAngle = 0;
 
    [[=welder::doc("Outer cone angle, radians.")]]
    float outerAngle = 0;
 
    [[=welder::doc("The ADT tile x coordinate.")]]
    std::uint16_t tileX = 0;
 
    [[=welder::doc("The ADT tile y coordinate.")]]
    std::uint16_t tileY = 0;
 
    [[=welder::doc("Index into MLTA, or -1 when unanimated.")]]
    std::int16_t mltaIndex = -1;
 
    [[=welder::doc("Index into MTEX, or -1.")]]
    std::int16_t textureIndex = -1;
  };
 
  static_assert(sizeof(MapSpotLight) == 0x40);
 
  struct [[
      =welder::weld,
      =welder::doc(
        "One light texture animation (MLTA), referenced by mlta_index.")
    ]] LightAnimation {
    [[=welder::doc("Animation amplitude.")]]
    float amplitude = 0;
 
    [[=welder::doc("Animation frequency.")]]
    float frequency = 0;
 
    [[=welder::doc("Curve function: 0 off, 1 sine, 2 noise, 3 noise step.")]]
    std::int32_t function = 0;
  };
 
  static_assert(sizeof(LightAnimation) == 12);
}