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132 lines
3 KiB
C++
132 lines
3 KiB
C++
#ifndef __2DDRAWER_H
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#define __2DDRAWER_H
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#include "tarray.h"
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#include "vectors.h"
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#include "textures.h"
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#include "renderstyle.h"
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struct DrawParms;
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class F2DDrawer
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{
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public:
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enum EDrawType : uint8_t
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{
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DrawTypeTriangles,
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DrawTypeLines,
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DrawTypePoints,
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};
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enum ETextureFlags : uint8_t
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{
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DTF_Wrap = 1,
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DTF_Scissor = 2,
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DTF_Burn = 4,
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};
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// This vertex type is hardware independent and needs conversion when put into a buffer.
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struct TwoDVertex
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{
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float x, y, z;
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float u, v;
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PalEntry color0;
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void Set(float xx, float yy, float zz)
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{
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x = xx;
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z = zz;
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y = yy;
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u = 0;
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v = 0;
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color0 = 0;
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}
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void Set(double xx, double yy, double zz, double uu, double vv, PalEntry col)
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{
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x = (float)xx;
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z = (float)zz;
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y = (float)yy;
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u = (float)uu;
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v = (float)vv;
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color0 = col;
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}
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};
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struct RenderCommand
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{
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EDrawType mType;
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int mVertIndex;
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int mVertCount;
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int mIndexIndex;
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int mIndexCount;
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FTexture *mTexture;
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int mRemapIndex;
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PalEntry mSpecialColormap[2];
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int mScissor[4];
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int mDesaturate;
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FRenderStyle mRenderStyle;
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PalEntry mColor1; // Overlay color
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ETexMode mDrawMode;
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uint8_t mFlags;
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RenderCommand()
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{
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memset(this, 0, sizeof(*this));
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}
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// If these fields match, two draw commands can be batched.
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bool isCompatible(const RenderCommand &other) const
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{
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return mTexture == other.mTexture &&
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mType == other.mType &&
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mRemapIndex == other.mRemapIndex &&
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mSpecialColormap[0].d == other.mSpecialColormap[0].d &&
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mSpecialColormap[1].d == other.mSpecialColormap[1].d &&
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!memcmp(mScissor, other.mScissor, sizeof(mScissor)) &&
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mDesaturate == other.mDesaturate &&
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mRenderStyle == other.mRenderStyle &&
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mDrawMode == other.mDrawMode &&
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mFlags == other.mFlags &&
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mColor1.d == other.mColor1.d;
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}
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};
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TArray<int> mIndices;
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TArray<TwoDVertex> mVertices;
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TArray<RenderCommand> mData;
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int AddCommand(const RenderCommand *data);
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void AddIndices(int firstvert, int count, ...);
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bool SetStyle(FTexture *tex, DrawParms &parms, PalEntry &color0, RenderCommand &quad);
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void SetColorOverlay(PalEntry color, float alpha, PalEntry &vertexcolor, PalEntry &overlaycolor);
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public:
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void AddTexture(FTexture *img, DrawParms &parms);
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void AddPoly(FTexture *texture, FVector2 *points, int npoints,
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double originx, double originy, double scalex, double scaley,
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DAngle rotation, int colormap, PalEntry flatcolor, int lightlevel, uint32_t *indices, size_t indexcount);
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void AddFlatFill(int left, int top, int right, int bottom, FTexture *src, bool local_origin);
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void AddColorOnlyQuad(int left, int top, int width, int height, PalEntry color, FRenderStyle *style = nullptr);
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void AddLine(int x1, int y1, int x2, int y2, uint32_t color, uint8_t alpha = 255);
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void AddThickLine(int x1, int y1, int x2, int y2, double thickness, uint32_t color, uint8_t alpha = 255);
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void AddPixel(int x1, int y1, uint32_t color);
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void Clear();
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bool mIsFirstPass = true;
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};
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extern F2DDrawer twod;
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#endif
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