mirror of https://git.rip/DMCA_FUCKER/re3.git
75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
#include "common.h"
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#include "main.h"
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#include "Lines.h"
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// This is super inefficient, why split the line into segments at all?
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void
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CLines::RenderLineWithClipping(float x1, float y1, float z1, float x2, float y2, float z2, uint32 c1, uint32 c2)
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{
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static RwIm3DVertex v[2];
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#ifdef THIS_IS_STUPID
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int i;
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float f1, f2;
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float len = sqrt(sq(x1-x2) + sq(y1-y2) + sq(z1-z2));
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int numsegs = len/1.5f + 1.0f;
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RwRGBA col1;
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col1.red = c1>>24;
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col1.green = c1>>16;
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col1.blue = c1>>8;
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col1.alpha = c1;
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RwRGBA col2;
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col2.red = c2>>24;
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col2.green = c2>>16;
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col2.blue = c2>>8;
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col2.alpha = c2;
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float dx = x2 - x1;
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float dy = y2 - y1;
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float dz = z2 - z1;
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for(i = 0; i < numsegs; i++){
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f1 = (float)i/numsegs;
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f2 = (float)(i+1)/numsegs;
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RwIm3DVertexSetRGBA(&v[0], (int)(col1.red + (col2.red-col1.red)*f1),
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(int)(col1.green + (col2.green-col1.green)*f1),
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(int)(col1.blue + (col2.blue-col1.blue)*f1),
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(int)(col1.alpha + (col2.alpha-col1.alpha)*f1));
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RwIm3DVertexSetRGBA(&v[1], (int)(col1.red + (col2.red-col1.red)*f2),
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(int)(col1.green + (col2.green-col1.green)*f2),
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(int)(col1.blue + (col2.blue-col1.blue)*f2),
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(int)(col1.alpha + (col2.alpha-col1.alpha)*f2));
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RwIm3DVertexSetPos(&v[0], x1 + dx*f1, y1 + dy*f1, z1 + dz*f1);
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RwIm3DVertexSetPos(&v[1], x1 + dx*f2, y1 + dy*f2, z1 + dz*f2);
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LittleTest();
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if(RwIm3DTransform(v, 2, nil, 0)){
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RwIm3DRenderLine(0, 1);
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RwIm3DEnd();
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}
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}
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#else
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RwRGBA col1;
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col1.red = c1>>24;
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col1.green = c1>>16;
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col1.blue = c1>>8;
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col1.alpha = c1;
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RwRGBA col2;
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col2.red = c2>>24;
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col2.green = c2>>16;
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col2.blue = c2>>8;
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col2.alpha = c2;
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RwIm3DVertexSetRGBA(&v[0], col1.red, col1.green, col1.blue, col1.alpha);
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RwIm3DVertexSetRGBA(&v[1], col2.red, col2.green, col2.blue, col2.alpha);
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RwIm3DVertexSetPos(&v[0], x1, y1, z1);
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RwIm3DVertexSetPos(&v[1], x2, y2, z2);
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LittleTest();
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if(RwIm3DTransform(v, 2, nil, 0)){
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RwIm3DRenderLine(0, 1);
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RwIm3DEnd();
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}
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#endif
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}
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