render.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com.                */
#ifndef GAME_CLIENT_RENDER_H
#define GAME_CLIENT_RENDER_H
 
#include <base/color.h>
#include <base/vmath.h>
 
#include <engine/client/enums.h>
 
#include <generated/protocol.h>
#include <generated/protocol7.h>
 
#include <game/client/skin.h>
#include <game/client/ui_rect.h>
 
#include <functional>
#include <memory>
 
class CAnimState;
class CSpeedupTile;
class CSwitchTile;
class CTeleTile;
class CTile;
class CTuneTile;
class CEnvPoint;
class CEnvPointBezier;
class CEnvPointBezier_upstream;
class CMapItemGroup;
class CQuad;
 
class CSkinDescriptor
{
public:
    enum
    {
        FLAG_SIX = 1,
        FLAG_SEVEN = 2,
    };
    unsigned m_Flags;
 
    char m_aSkinName[MAX_SKIN_LENGTH];
 
    class CSixup
    {
    public:
        char m_aaSkinPartNames[protocol7::NUM_SKINPARTS][protocol7::MAX_SKIN_LENGTH];
        bool m_BotDecoration;
        bool m_XmasHat;
 
        void Reset();
        bool operator==(const CSixup &Other) const;
        bool operator!=(const CSixup &Other) const { return !(*this == Other); }
    };
    CSixup m_aSixup[NUM_DUMMIES];
 
    CSkinDescriptor();
    void Reset();
    bool IsValid() const;
    bool operator==(const CSkinDescriptor &Other) const;
    bool operator!=(const CSkinDescriptor &Other) const { return !(*this == Other); }
};
 
class CTeeRenderInfo
{
public:
    CTeeRenderInfo()
    {
        Reset();
    }
 
    void Reset()
    {
        m_OriginalRenderSkin.Reset();
        m_ColorableRenderSkin.Reset();
        m_SkinMetrics.Reset();
        m_CustomColoredSkin = false;
        m_BloodColor = ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
        m_ColorBody = ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
        m_ColorFeet = ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
        m_Size = 1.0f;
        m_GotAirJump = true;
        m_TeeRenderFlags = 0;
        m_FeetFlipped = false;
 
        for(auto &Sixup : m_aSixup)
            Sixup.Reset();
    }
 
    void Apply(const CSkin *pSkin)
    {
        m_OriginalRenderSkin = pSkin->m_OriginalSkin;
        m_ColorableRenderSkin = pSkin->m_ColorableSkin;
        m_BloodColor = pSkin->m_BloodColor;
        m_SkinMetrics = pSkin->m_Metrics;
    }
 
    void ApplySkin(const CTeeRenderInfo &TeeRenderInfo)
    {
        m_OriginalRenderSkin = TeeRenderInfo.m_OriginalRenderSkin;
        m_ColorableRenderSkin = TeeRenderInfo.m_ColorableRenderSkin;
        m_BloodColor = TeeRenderInfo.m_BloodColor;
        m_SkinMetrics = TeeRenderInfo.m_SkinMetrics;
    }
 
    void ApplyColors(bool CustomColoredSkin, int ColorBody, int ColorFeet)
    {
        m_CustomColoredSkin = CustomColoredSkin;
        if(CustomColoredSkin)
        {
            m_ColorBody = color_cast<ColorRGBA>(ColorHSLA(ColorBody).UnclampLighting(ColorHSLA::DARKEST_LGT));
            m_ColorFeet = color_cast<ColorRGBA>(ColorHSLA(ColorFeet).UnclampLighting(ColorHSLA::DARKEST_LGT));
        }
        else
        {
            m_ColorBody = ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
            m_ColorFeet = ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
        }
    }
 
    CSkin::CSkinTextures m_OriginalRenderSkin;
    CSkin::CSkinTextures m_ColorableRenderSkin;
 
    CSkin::CSkinMetrics m_SkinMetrics;
 
    bool m_CustomColoredSkin;
    ColorRGBA m_BloodColor;
 
    ColorRGBA m_ColorBody;
    ColorRGBA m_ColorFeet;
    float m_Size;
    bool m_GotAirJump;
    int m_TeeRenderFlags;
    bool m_FeetFlipped;
 
    bool Valid() const
    {
        return m_CustomColoredSkin ? m_ColorableRenderSkin.m_Body.IsValid() : m_OriginalRenderSkin.m_Body.IsValid();
    }
 
    class CSixup
    {
    public:
        void Reset()
        {
            for(auto &Texture : m_aOriginalTextures)
            {
                Texture.Invalidate();
            }
            for(auto &Texture : m_aColorableTextures)
            {
                Texture.Invalidate();
            }
            std::fill(std::begin(m_aUseCustomColors), std::end(m_aUseCustomColors), false);
            std::fill(std::begin(m_aColors), std::end(m_aColors), ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f));
            m_BloodColor = ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
            m_HatTexture.Invalidate();
            m_BotTexture.Invalidate();
            m_HatSpriteIndex = 0;
            m_BotColor = ColorRGBA(0.0f, 0.0f, 0.0f, 0.0f);
        }
 
        IGraphics::CTextureHandle m_aOriginalTextures[protocol7::NUM_SKINPARTS];
        IGraphics::CTextureHandle m_aColorableTextures[protocol7::NUM_SKINPARTS];
        bool m_aUseCustomColors[protocol7::NUM_SKINPARTS];
        ColorRGBA m_aColors[protocol7::NUM_SKINPARTS];
        ColorRGBA m_BloodColor;
        IGraphics::CTextureHandle m_HatTexture;
        IGraphics::CTextureHandle m_BotTexture;
        int m_HatSpriteIndex;
        ColorRGBA m_BotColor;
 
        const IGraphics::CTextureHandle &PartTexture(int Part) const
        {
            return (m_aUseCustomColors[Part] ? m_aColorableTextures : m_aOriginalTextures)[Part];
        }
    };
 
    CSixup m_aSixup[NUM_DUMMIES];
};
 
class CManagedTeeRenderInfo
{
    friend class CGameClient;
    CTeeRenderInfo m_TeeRenderInfo;
    CSkinDescriptor m_SkinDescriptor;
    std::function<void()> m_RefreshCallback = nullptr;
 
public:
    CManagedTeeRenderInfo(const CTeeRenderInfo &TeeRenderInfo, const CSkinDescriptor &SkinDescriptor) :
        m_TeeRenderInfo(TeeRenderInfo),
        m_SkinDescriptor(SkinDescriptor)
    {
    }
 
    CTeeRenderInfo &TeeRenderInfo() { return m_TeeRenderInfo; }
    const CTeeRenderInfo &TeeRenderInfo() const { return m_TeeRenderInfo; }
    const CSkinDescriptor &SkinDescriptor() const { return m_SkinDescriptor; }
    void SetRefreshCallback(const std::function<void()> &RefreshCallback) { m_RefreshCallback = RefreshCallback; }
};
 
// Tee Render Flags
enum
{
    TEE_EFFECT_FROZEN = 1,
    TEE_NO_WEAPON = 2,
    TEE_EFFECT_SPARKLE = 4,
};
 
class CRenderTools
{
    class IGraphics *m_pGraphics;
    class ITextRender *m_pTextRender;
 
    int m_TeeQuadContainerIndex;
 
    static void GetRenderTeeBodyScale(float BaseSize, float &BodyScale);
    static void GetRenderTeeFeetScale(float BaseSize, float &FeetScaleWidth, float &FeetScaleHeight);
 
    void RenderTee6(const CAnimState *pAnim, const CTeeRenderInfo *pInfo, int Emote, vec2 Dir, vec2 Pos, float Alpha = 1.0f) const;
    void RenderTee7(const CAnimState *pAnim, const CTeeRenderInfo *pInfo, int Emote, vec2 Dir, vec2 Pos, float Alpha = 1.0f) const;
 
public:
    class IGraphics *Graphics() const { return m_pGraphics; }
    class ITextRender *TextRender() const { return m_pTextRender; }
 
    void Init(class IGraphics *pGraphics, class ITextRender *pTextRender);
 
    void RenderCursor(vec2 Center, float Size) const;
    void RenderIcon(int ImageId, int SpriteId, const CUIRect *pRect, const ColorRGBA *pColor = nullptr) const;
 
    // larger rendering methods
    static void GetRenderTeeBodySize(const CAnimState *pAnim, const CTeeRenderInfo *pInfo, vec2 &BodyOffset, float &Width, float &Height);
    static void GetRenderTeeFeetSize(const CAnimState *pAnim, const CTeeRenderInfo *pInfo, vec2 &FeetOffset, float &Width, float &Height);
    static void GetRenderTeeAnimScaleAndBaseSize(const CTeeRenderInfo *pInfo, float &AnimScale, float &BaseSize);
 
    // returns the offset to use, to render the tee with @see RenderTee exactly in the mid
    static void GetRenderTeeOffsetToRenderedTee(const CAnimState *pAnim, const CTeeRenderInfo *pInfo, vec2 &TeeOffsetToMid);
    // object render methods
    void RenderTee(const CAnimState *pAnim, const CTeeRenderInfo *pInfo, int Emote, vec2 Dir, vec2 Pos, float Alpha = 1.0f) const;
};
 
#endif