From f9158592e1478b2013afc7041d9ed041cf2d2f4a Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Mon, 13 Jan 2014 19:47:58 +1000 Subject: Update Irrlicht to 1.8.1. Include actual change markers this time. lol --- .../source/Irrlicht/CTRGouraudWire.cpp | 326 --------------------- 1 file changed, 326 deletions(-) delete mode 100644 libraries/irrlicht-1.8/source/Irrlicht/CTRGouraudWire.cpp (limited to 'libraries/irrlicht-1.8/source/Irrlicht/CTRGouraudWire.cpp') diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CTRGouraudWire.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CTRGouraudWire.cpp deleted file mode 100644 index fd7b843..0000000 --- a/libraries/irrlicht-1.8/source/Irrlicht/CTRGouraudWire.cpp +++ /dev/null @@ -1,326 +0,0 @@ -// Copyright (C) 2002-2012 Nikolaus Gebhardt -// This file is part of the "Irrlicht Engine". -// For conditions of distribution and use, see copyright notice in irrlicht.h - -#include "IrrCompileConfig.h" -#include "CTRTextureGouraud.h" - -#ifdef _IRR_COMPILE_WITH_SOFTWARE_ - -namespace irr -{ -namespace video -{ - -class CTRGouraudWire : public CTRTextureGouraud -{ -public: - - CTRGouraudWire(IZBuffer* zbuffer) - : CTRTextureGouraud(zbuffer) - { - #ifdef _DEBUG - setDebugName("CTRGouraudWire"); - #endif - } - - //! draws an indexed triangle list - virtual void drawIndexedTriangleList(S2DVertex* vertices, s32 vertexCount, const u16* indexList, s32 triangleCount) - { - const S2DVertex *v1, *v2, *v3; - - f32 tmpDiv; // temporary division factor - f32 longest; // saves the longest span - s32 height; // saves height of triangle - u16* targetSurface; // target pointer where to plot pixels - s32 spanEnd; // saves end of spans - f32 leftdeltaxf; // amount of pixels to increase on left side of triangle - f32 rightdeltaxf; // amount of pixels to increase on right side of triangle - s32 leftx, rightx; // position where we are - f32 leftxf, rightxf; // same as above, but as f32 values - s32 span; // current span - s32 leftR, leftG, leftB, rightR, rightG, rightB; // color values - s32 leftStepR, leftStepG, leftStepB, - rightStepR, rightStepG, rightStepB; // color steps - - core::rect TriangleRect; - - s32 leftZValue, rightZValue; - s32 leftZStep, rightZStep; - TZBufferType* zTarget; // target of ZBuffer; - - lockedSurface = (u16*)RenderTarget->lock(); - lockedZBuffer = ZBuffer->lock(); - - for (s32 i=0; iPos.X - v1->Pos.X) * (v3->Pos.Y - v2->Pos.Y)) - - ((v3->Pos.Y - v1->Pos.Y) * (v3->Pos.X - v2->Pos.X)); - - if (z < 0) - continue; - } - - //near plane clipping - - if (v1->ZValue<0 && v2->ZValue<0 && v3->ZValue<0) - continue; - - // sort for width for inscreen clipping - - if (v1->Pos.X > v2->Pos.X) swapVertices(&v1, &v2); - if (v1->Pos.X > v3->Pos.X) swapVertices(&v1, &v3); - if (v2->Pos.X > v3->Pos.X) swapVertices(&v2, &v3); - - if ((v1->Pos.X - v3->Pos.X) == 0) - continue; - - TriangleRect.UpperLeftCorner.X = v1->Pos.X; - TriangleRect.LowerRightCorner.X = v3->Pos.X; - - // sort for height for faster drawing. - - if (v1->Pos.Y > v2->Pos.Y) swapVertices(&v1, &v2); - if (v1->Pos.Y > v3->Pos.Y) swapVertices(&v1, &v3); - if (v2->Pos.Y > v3->Pos.Y) swapVertices(&v2, &v3); - - TriangleRect.UpperLeftCorner.Y = v1->Pos.Y; - TriangleRect.LowerRightCorner.Y = v3->Pos.Y; - - if (!TriangleRect.isRectCollided(ViewPortRect)) - continue; - - // calculate height of triangle - height = v3->Pos.Y - v1->Pos.Y; - if (!height) - continue; - - // calculate longest span - - longest = (v2->Pos.Y - v1->Pos.Y) / (f32)height * (v3->Pos.X - v1->Pos.X) + (v1->Pos.X - v2->Pos.X); - - spanEnd = v2->Pos.Y; - span = v1->Pos.Y; - leftxf = (f32)v1->Pos.X; - rightxf = (f32)v1->Pos.X; - - leftZValue = v1->ZValue; - rightZValue = v1->ZValue; - - leftR = rightR = video::getRed(v1->Color)<<11; - leftG = rightG = video::getGreen(v1->Color)<<11; - leftB = rightB = video::getBlue(v1->Color)<<11; - - targetSurface = lockedSurface + span * SurfaceWidth; - zTarget = lockedZBuffer + span * SurfaceWidth; - - if (longest < 0.0f) - { - tmpDiv = 1.0f / (f32)(v2->Pos.Y - v1->Pos.Y); - rightdeltaxf = (v2->Pos.X - v1->Pos.X) * tmpDiv; - rightZStep = (s32)((v2->ZValue - v1->ZValue) * tmpDiv); - rightStepR = (s32)(((s32)(video::getRed(v2->Color)<<11) - rightR) * tmpDiv); - rightStepG = (s32)(((s32)(video::getGreen(v2->Color)<<11) - rightG) * tmpDiv); - rightStepB = (s32)(((s32)(video::getBlue(v2->Color)<<11) - rightB) * tmpDiv); - - tmpDiv = 1.0f / (f32)height; - leftdeltaxf = (v3->Pos.X - v1->Pos.X) * tmpDiv; - leftZStep = (s32)((v3->ZValue - v1->ZValue) * tmpDiv); - leftStepR = (s32)(((s32)(video::getRed(v3->Color)<<11) - leftR) * tmpDiv); - leftStepG = (s32)(((s32)(video::getGreen(v3->Color)<<11) - leftG) * tmpDiv); - leftStepB = (s32)(((s32)(video::getBlue(v3->Color)<<11) - leftB) * tmpDiv); - } - else - { - tmpDiv = 1.0f / (f32)height; - rightdeltaxf = (v3->Pos.X - v1->Pos.X) * tmpDiv; - rightZStep = (s32)((v3->ZValue - v1->ZValue) * tmpDiv); - rightStepR = (s32)(((s32)(video::getRed(v3->Color)<<11) - rightR) * tmpDiv); - rightStepG = (s32)(((s32)(video::getGreen(v3->Color)<<11) - rightG) * tmpDiv); - rightStepB = (s32)(((s32)(video::getBlue(v3->Color)<<11) - rightB) * tmpDiv); - - tmpDiv = 1.0f / (f32)(v2->Pos.Y - v1->Pos.Y); - leftdeltaxf = (v2->Pos.X - v1->Pos.X) * tmpDiv; - leftZStep = (s32)((v2->ZValue - v1->ZValue) * tmpDiv); - leftStepR = (s32)(((s32)(video::getRed(v2->Color)<<11) - leftR) * tmpDiv); - leftStepG = (s32)(((s32)(video::getGreen(v2->Color)<<11) - leftG) * tmpDiv); - leftStepB = (s32)(((s32)(video::getBlue(v2->Color)<<11) - leftB) * tmpDiv); - } - - - // do it twice, once for the first half of the triangle, - // end then for the second half. - - for (s32 triangleHalf=0; triangleHalf<2; ++triangleHalf) - { - if (spanEnd > ViewPortRect.LowerRightCorner.Y) - spanEnd = ViewPortRect.LowerRightCorner.Y; - - // if the span <0, than we can skip these spans, - // and proceed to the next spans which are really on the screen. - if (span < ViewPortRect.UpperLeftCorner.Y) - { - // we'll use leftx as temp variable - if (spanEnd < ViewPortRect.UpperLeftCorner.Y) - { - leftx = spanEnd - span; - span = spanEnd; - } - else - { - leftx = ViewPortRect.UpperLeftCorner.Y - span; - span = ViewPortRect.UpperLeftCorner.Y; - } - - leftxf += leftdeltaxf*leftx; - rightxf += rightdeltaxf*leftx; - targetSurface += SurfaceWidth*leftx; - zTarget += SurfaceWidth*leftx; - leftZValue += leftZStep*leftx; - rightZValue += rightZStep*leftx; - - leftR += leftStepR*leftx; - leftG += leftStepG*leftx; - leftB += leftStepB*leftx; - rightR += rightStepR*leftx; - rightG += rightStepG*leftx; - rightB += rightStepB*leftx; - } - - - // the main loop. Go through every span and draw it. - - while (span < spanEnd) - { - leftx = (s32)(leftxf); - rightx = (s32)(rightxf + 0.5f); - - // perform some clipping - - if (leftx>=ViewPortRect.UpperLeftCorner.X && - leftx<=ViewPortRect.LowerRightCorner.X) - { - if (leftZValue > *(zTarget + leftx)) - { - *(zTarget + leftx) = leftZValue; - *(targetSurface + leftx) = video::RGB16(leftR>>8, leftG>>8, leftB>>8); - } - } - - - if (rightx>=ViewPortRect.UpperLeftCorner.X && - rightx<=ViewPortRect.LowerRightCorner.X) - { - if (rightZValue > *(zTarget + rightx)) - { - *(zTarget + rightx) = rightZValue; - *(targetSurface + rightx) = video::RGB16(rightR, rightG, rightB); - } - - } - - leftxf += leftdeltaxf; - rightxf += rightdeltaxf; - ++span; - targetSurface += SurfaceWidth; - zTarget += SurfaceWidth; - leftZValue += leftZStep; - rightZValue += rightZStep; - - leftR += leftStepR; - leftG += leftStepG; - leftB += leftStepB; - rightR += rightStepR; - rightG += rightStepG; - rightB += rightStepB; - } - - if (triangleHalf>0) // break, we've gout only two halves - break; - - - // setup variables for second half of the triangle. - - if (longest < 0.0f) - { - tmpDiv = 1.0f / (v3->Pos.Y - v2->Pos.Y); - - rightdeltaxf = (v3->Pos.X - v2->Pos.X) * tmpDiv; - rightxf = (f32)v2->Pos.X; - - rightZValue = v2->ZValue; - rightZStep = (s32)((v3->ZValue - v2->ZValue) * tmpDiv); - - rightR = video::getRed(v2->Color)<<11; - rightG = video::getGreen(v2->Color)<<11; - rightB = video::getBlue(v2->Color)<<11; - rightStepR = (s32)(((s32)(video::getRed(v3->Color)<<11) - rightR) * tmpDiv); - rightStepG = (s32)(((s32)(video::getGreen(v3->Color)<<11) - rightG) * tmpDiv); - rightStepB = (s32)(((s32)(video::getBlue(v3->Color)<<11) - rightB) * tmpDiv); - } - else - { - tmpDiv = 1.0f / (v3->Pos.Y - v2->Pos.Y); - - leftdeltaxf = (v3->Pos.X - v2->Pos.X) * tmpDiv; - leftxf = (f32)v2->Pos.X; - - leftZValue = v2->ZValue; - leftZStep = (s32)((v3->ZValue - v2->ZValue) * tmpDiv); - - leftR = video::getRed(v2->Color)<<11; - leftG = video::getGreen(v2->Color)<<11; - leftB = video::getBlue(v2->Color)<<11; - leftStepR = (s32)(((s32)(video::getRed(v3->Color)<<11) - leftR) * tmpDiv); - leftStepG = (s32)(((s32)(video::getGreen(v3->Color)<<11) - leftG) * tmpDiv); - leftStepB = (s32)(((s32)(video::getBlue(v3->Color)<<11) - leftB) * tmpDiv); - } - - - spanEnd = v3->Pos.Y; - } - - } - - RenderTarget->unlock(); - ZBuffer->unlock(); - } - -}; - -} // end namespace video -} // end namespace irr - -#endif // _IRR_COMPILE_WITH_SOFTWARE_ - -namespace irr -{ -namespace video -{ - - -//! creates a flat triangle renderer -ITriangleRenderer* createTriangleRendererGouraudWire(IZBuffer* zbuffer) -{ - #ifdef _IRR_COMPILE_WITH_SOFTWARE_ - return new CTRGouraudWire(zbuffer); - #else - return 0; - #endif // _IRR_COMPILE_WITH_SOFTWARE_ -} - -} // end namespace video -} // end namespace irr - - -- cgit v1.1