mirror of
https://github.com/ZDoom/qzdoom.git
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219 lines
8.6 KiB
C++
219 lines
8.6 KiB
C++
/*
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** Triangle drawers
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** Copyright (c) 2016 Magnus Norddahl
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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*/
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#pragma once
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#include "r_data/r_translate.h"
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#include "r_data/colormaps.h"
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#include "screen_triangle.h"
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class FTexture;
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struct TriMatrix;
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enum class PolyDrawMode
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{
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Triangles,
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TriangleFan,
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TriangleStrip
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};
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class PolyClipPlane
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{
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public:
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PolyClipPlane() : A(0.0f), B(0.0f), C(0.0f), D(1.0f) { }
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PolyClipPlane(float a, float b, float c, float d) : A(a), B(b), C(c), D(d) { }
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float A, B, C, D;
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};
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class PolyDrawArgs
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{
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public:
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void SetClipPlane(const PolyClipPlane &plane);
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void SetTexture(const uint8_t *texels, int width, int height);
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void SetTexture(FTexture *texture);
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void SetTexture(FTexture *texture, uint32_t translationID, bool forcePal = false);
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void SetLight(FSWColormap *basecolormap, uint32_t lightlevel, double globVis, bool fixed);
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void SetSubsectorDepth(uint32_t subsectorDepth) { mSubsectorDepth = subsectorDepth; }
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void SetSubsectorDepthTest(bool enable) { mSubsectorTest = enable; }
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void SetStencilTestValue(uint8_t stencilTestValue) { mStencilTestValue = stencilTestValue; }
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void SetWriteColor(bool enable) { mWriteColor = enable; }
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void SetWriteStencil(bool enable, uint8_t stencilWriteValue = 0) { mWriteStencil = enable; mStencilWriteValue = stencilWriteValue; }
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void SetWriteSubsectorDepth(bool enable) { mWriteSubsector = enable; }
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void SetFaceCullCCW(bool counterclockwise) { mFaceCullCCW = counterclockwise; }
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void SetStyle(TriBlendMode blendmode, double srcalpha = 1.0, double destalpha = 1.0) { mBlendMode = blendmode; mSrcAlpha = (uint32_t)(srcalpha * 256.0 + 0.5); mDestAlpha = (uint32_t)(destalpha * 256.0 + 0.5); }
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void SetStyle(const FRenderStyle &renderstyle, double alpha, uint32_t fillcolor, uint32_t translationID, FTexture *texture, bool fullbright);
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void SetTransform(const TriMatrix *objectToClip) { mObjectToClip = objectToClip; }
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void SetColor(uint32_t bgra, uint8_t palindex);
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void DrawArray(const TriVertex *vertices, int vcount, PolyDrawMode mode = PolyDrawMode::Triangles);
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const TriMatrix *ObjectToClip() const { return mObjectToClip; }
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const float *ClipPlane() const { return mClipPlane; }
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const TriVertex *Vertices() const { return mVertices; }
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int VertexCount() const { return mVertexCount; }
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PolyDrawMode DrawMode() const { return mDrawMode; }
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bool FaceCullCCW() const { return mFaceCullCCW; }
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bool WriteColor() const { return mWriteColor; }
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const uint8_t *TexturePixels() const { return mTexturePixels; }
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int TextureWidth() const { return mTextureWidth; }
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int TextureHeight() const { return mTextureHeight; }
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const uint8_t *Translation() const { return mTranslation; }
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bool WriteStencil() const { return mWriteStencil; }
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uint8_t StencilTestValue() const { return mStencilTestValue; }
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uint8_t StencilWriteValue() const { return mStencilWriteValue; }
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bool SubsectorTest() const { return mSubsectorTest; }
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bool WriteSubsector() const { return mWriteSubsector; }
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uint32_t SubsectorDepth() const { return mSubsectorDepth; }
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TriBlendMode BlendMode() const { return mBlendMode; }
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uint32_t Color() const { return mColor; }
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uint32_t SrcAlpha() const { return mSrcAlpha; }
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uint32_t DestAlpha() const { return mDestAlpha; }
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float GlobVis() const { return mGlobVis; }
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uint32_t Light() const { return mLight; }
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const uint8_t *BaseColormap() const { return mColormaps; }
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uint16_t ShadeLightAlpha() const { return mLightAlpha; }
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uint16_t ShadeLightRed() const { return mLightRed; }
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uint16_t ShadeLightGreen() const { return mLightGreen; }
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uint16_t ShadeLightBlue() const { return mLightBlue; }
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uint16_t ShadeFadeAlpha() const { return mFadeAlpha; }
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uint16_t ShadeFadeRed() const { return mFadeRed; }
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uint16_t ShadeFadeGreen() const { return mFadeGreen; }
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uint16_t ShadeFadeBlue() const { return mFadeBlue; }
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uint16_t ShadeDesaturate() const { return mDesaturate; }
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bool SimpleShade() const { return mSimpleShade; }
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bool NearestFilter() const { return mNearestFilter; }
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bool FixedLight() const { return mFixedLight; }
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private:
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const TriMatrix *mObjectToClip = nullptr;
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const TriVertex *mVertices = nullptr;
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int mVertexCount = 0;
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PolyDrawMode mDrawMode = PolyDrawMode::Triangles;
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bool mFaceCullCCW = false;
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bool mSubsectorTest = false;
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bool mWriteStencil = true;
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bool mWriteColor = true;
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bool mWriteSubsector = true;
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const uint8_t *mTexturePixels = nullptr;
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int mTextureWidth = 0;
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int mTextureHeight = 0;
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const uint8_t *mTranslation = nullptr;
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uint8_t mStencilTestValue = 0;
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uint8_t mStencilWriteValue = 0;
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const uint8_t *mColormaps = nullptr;
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float mClipPlane[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
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TriBlendMode mBlendMode = TriBlendMode::FillOpaque;
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uint32_t mLight = 0;
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uint32_t mSubsectorDepth = 0;
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uint32_t mColor = 0;
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uint32_t mSrcAlpha = 0;
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uint32_t mDestAlpha = 0;
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uint16_t mLightAlpha = 0;
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uint16_t mLightRed = 0;
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uint16_t mLightGreen = 0;
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uint16_t mLightBlue = 0;
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uint16_t mFadeAlpha = 0;
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uint16_t mFadeRed = 0;
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uint16_t mFadeGreen = 0;
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uint16_t mFadeBlue = 0;
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uint16_t mDesaturate = 0;
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float mGlobVis = 0.0f;
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bool mSimpleShade = true;
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bool mNearestFilter = true;
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bool mFixedLight = false;
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};
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class RectDrawArgs
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{
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public:
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void SetTexture(const uint8_t *texels, int width, int height);
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void SetTexture(FTexture *texture);
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void SetTexture(FTexture *texture, uint32_t translationID, bool forcePal = false);
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void SetLight(FSWColormap *basecolormap, uint32_t lightlevel);
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void SetStyle(TriBlendMode blendmode, double srcalpha = 1.0, double destalpha = 1.0) { mBlendMode = blendmode; mSrcAlpha = (uint32_t)(srcalpha * 256.0 + 0.5); mDestAlpha = (uint32_t)(destalpha * 256.0 + 0.5); }
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void SetStyle(const FRenderStyle &renderstyle, double alpha, uint32_t fillcolor, uint32_t translationID, FTexture *texture, bool fullbright);
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void SetColor(uint32_t bgra, uint8_t palindex);
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void Draw(double x0, double x1, double y0, double y1, double u0, double u1, double v0, double v1);
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const uint8_t *TexturePixels() const { return mTexturePixels; }
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int TextureWidth() const { return mTextureWidth; }
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int TextureHeight() const { return mTextureHeight; }
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const uint8_t *Translation() const { return mTranslation; }
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TriBlendMode BlendMode() const { return mBlendMode; }
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uint32_t Color() const { return mColor; }
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uint32_t SrcAlpha() const { return mSrcAlpha; }
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uint32_t DestAlpha() const { return mDestAlpha; }
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uint32_t Light() const { return mLight; }
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const uint8_t *BaseColormap() const { return mColormaps; }
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uint16_t ShadeLightAlpha() const { return mLightAlpha; }
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uint16_t ShadeLightRed() const { return mLightRed; }
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uint16_t ShadeLightGreen() const { return mLightGreen; }
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uint16_t ShadeLightBlue() const { return mLightBlue; }
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uint16_t ShadeFadeAlpha() const { return mFadeAlpha; }
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uint16_t ShadeFadeRed() const { return mFadeRed; }
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uint16_t ShadeFadeGreen() const { return mFadeGreen; }
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uint16_t ShadeFadeBlue() const { return mFadeBlue; }
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uint16_t ShadeDesaturate() const { return mDesaturate; }
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bool SimpleShade() const { return mSimpleShade; }
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float X0() const { return mX0; }
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float X1() const { return mX1; }
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float Y0() const { return mY0; }
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float Y1() const { return mY1; }
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float U0() const { return mU0; }
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float U1() const { return mU1; }
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float V0() const { return mV0; }
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float V1() const { return mV1; }
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private:
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const uint8_t *mTexturePixels = nullptr;
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int mTextureWidth = 0;
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int mTextureHeight = 0;
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const uint8_t *mTranslation = nullptr;
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const uint8_t *mColormaps = nullptr;
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TriBlendMode mBlendMode = TriBlendMode::FillOpaque;
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uint32_t mLight = 0;
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uint32_t mColor = 0;
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uint32_t mSrcAlpha = 0;
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uint32_t mDestAlpha = 0;
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uint16_t mLightAlpha = 0;
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uint16_t mLightRed = 0;
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uint16_t mLightGreen = 0;
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uint16_t mLightBlue = 0;
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uint16_t mFadeAlpha = 0;
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uint16_t mFadeRed = 0;
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uint16_t mFadeGreen = 0;
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uint16_t mFadeBlue = 0;
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uint16_t mDesaturate = 0;
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bool mSimpleShade = true;
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float mX0, mX1, mY0, mY1, mU0, mU1, mV0, mV1;
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};
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