metaforce/Runtime/Character/CActorLights.hpp

#pragma once

#include "RetroTypes.hpp"
#include "zeus/CVector3f.hpp"
#include "zeus/CColor.hpp"
#include "zeus/CAABox.hpp"
#include "Graphics/CLight.hpp"

namespace urde
{
class CBooModel;
class CStateManager;
class CGameArea;

class CActorLights
{
    static s32 sFrameSchedulerCount;
    std::vector<CLight> x0_areaLights;
    std::vector<CLight> x144_dynamicLights;
    zeus::CColor x288_ambientColor = zeus::CColor::skBlack;
    TAreaId x294_aid = kInvalidAreaId;

    union
    {
        struct
        {
            bool x298_24_dirty : 1;
            bool x298_25_castShadows : 1;
            bool x298_26_hasAreaLights : 1;
            bool x298_27_findShadowLight : 1;
            bool x298_28_inArea : 1;
            bool x298_29_ambientChannelOverflow : 1;
            bool x298_30_layer2 : 1;
            bool x298_31_disableWorldLights : 1;
            bool x299_24_inBrightLight : 1;
            bool x299_25_useBrightLightLag : 1;
            bool x299_26_ambientOnly : 1;
        };
        u16 _dummy = 0;
    };
    bool x29a_findNearestDynamicLights = false;
    s32 x29c_shadowLightArrIdx = -1;
    s32 x2a0_shadowLightIdx = -1;
    u32 x2a4_lastUpdateFrame = 0;
    u32 x2a8_areaUpdateFramePeriod;
    zeus::CVector3f x2ac_actorPosBias;
    int x2b8_maxAreaLights;
    int x2bc_maxDynamicLights;
    zeus::CVector3f x2c0_lastActorPos;
    float x2cc_actorPositionDeltaUpdateThreshold;
    float x2d0_shadowDynamicRangeThreshold = 0.f;
    float x2d4_worldLightingLevel = 1.f;
    s32 x2d8_brightLightIdx = -1;
    u32 x2dc_brightLightLag = 0;

    static void MergeOverflowLight(CLight& out, zeus::CColor& color, const CLight& in, float colorMag);
    void AddOverflowToLights(const CLight& light, const zeus::CColor& color, float mag);
    void MoveAmbienceToLights(const zeus::CColor& color);
    void MultiplyLightingLevels(float level);
    void UpdateBrightLight();

public:
    CActorLights(u32 areaUpdateFramePeriod, const zeus::CVector3f& actorPosBias,
                 int maxDynamicLights, int maxAreaLights, bool ambientChannelOverflow,
                 bool layer2, bool disableWorldLights, float positionUpdateThreshold);

    void BuildConstantAmbientLighting();
    void BuildConstantAmbientLighting(const zeus::CColor& color);
    void BuildFakeLightList(const std::vector<CLight>& lights, const zeus::CColor& color);
    void BuildFaceLightList(const CStateManager& mgr, const CGameArea& area, const zeus::CAABox& aabb);
    bool BuildAreaLightList(const CStateManager& mgr, const CGameArea& area, const zeus::CAABox& aabb);
    void BuildDynamicLightList(const CStateManager& mgr, const zeus::CAABox& aabb);
    std::vector<CLight> BuildLightVector() const;
    void ActivateLights(CBooModel& model) const;
    void SetCastShadows(bool v) { x298_25_castShadows = v; }
    void SetFindShadowLight(bool v) { x298_27_findShadowLight = v; }
    void SetShadowDynamicRangeThreshold(float t) { x2d0_shadowDynamicRangeThreshold = t; }
    void SetAmbientChannelOverflow(bool v) { x298_29_ambientChannelOverflow = v; }
    void DisableAreaLights();
    void SetMaxDynamicLights(int l) { x2bc_maxDynamicLights = l; }
    void SetFindNearestDynamicLights(bool v) { x29a_findNearestDynamicLights = v; }
    void SetAmbientColor(const zeus::CColor& color) { x288_ambientColor = color; }
    const zeus::CColor& GetAmbientColor() const { return x288_ambientColor; }
    const CLight& GetLight(u32 idx) const;
    u32 GetActiveLightCount() const;
    int GetMaxAreaLights() const { return x2b8_maxAreaLights; }
    const std::vector<CLight>& GetAreaLights() const { return x0_areaLights; }
    const std::vector<CLight>& GetDynamicLights() const { return x144_dynamicLights; }
    bool GetIsDirty() const { return x298_24_dirty; }
    void SetDirty() { x298_24_dirty = true; }
    bool HasShadowLight() const { return x29c_shadowLightArrIdx != -1; }
    s32 GetShadowLightArrIndex() const { return x29c_shadowLightArrIdx; }
    s32 GetShadowLightIndex() const { return x2a0_shadowLightIdx; }
    u32 GetAreaUpdateFramePeriod() const { return x2a8_areaUpdateFramePeriod; }
    void SetAreaUpdateFramePeriod(u32 p) { x2a8_areaUpdateFramePeriod = p; }
};

}