jakub
6a667d8deb
Include the current addon, terrain integrations, tools, regression tests and recorded development evidence.
47 lines
2.5 KiB
Python
47 lines
2.5 KiB
Python
"""Exercise the shipped paper framing calculation; native rendering is separate."""
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from policy_harness import ROOT, body, run
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source = ROOT / 'addons/core/Scripts/Game/ERR/30_Map/ERRM_SharedMapComponent.c'
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method = body(source, 'static bool FitPaperView(').replace('inout float zoom', 'float& zoom').replace('out vector centre', 'vector& centre').replace('Math.Max', 'maxf').replace('Math.Clamp', 'clampf')
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run(r'''
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#include <array>
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#include <algorithm>
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#include <cassert>
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#include <cmath>
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using vector = std::array<float, 3>;
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float maxf(float a,float b){return std::max(a,b);}
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float clampf(float x,float lo,float hi){return std::clamp(x,lo,hi);}
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''' + method + r'''
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void check(vector pos, vector offset, vector size, float width, float height) {
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float zoom=0.12f;vector centre{};
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assert(FitPaperView(pos,offset,size,width,height,zoom,centre));
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float halfX=width/(2*zoom),halfZ=height/(2*zoom);
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assert(centre[0]-halfX>=offset[0]-0.01f);
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assert(centre[2]-halfZ>=offset[2]-0.01f);
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assert(centre[0]+halfX<=offset[0]+size[0]+0.01f);
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assert(centre[2]+halfZ<=offset[2]+size[2]+0.01f);
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// Keep an in-bounds holder on the paper even when its centre must shift.
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for(int axis:{0,2}) if(pos[axis]>=offset[axis]&&pos[axis]<=offset[axis]+size[axis]) {
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float half=axis==0?halfX:halfZ;
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assert(std::abs(pos[axis]-centre[axis])<=half+2/zoom+0.01f);
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}
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}
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int main() {
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vector size{15360,0,15360},origin{0,0,0};
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// Actual Chernarus failure: captured north edge was 16610, beyond 15360.
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check({5556.82f,465.062f,14906.5f},origin,size,296.05f,407.467f);
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for(float x:{0.f,50.f,7680.f,15310.f,15360.f})
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for(float z:{0.f,50.f,7680.f,15310.f,15360.f})
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for(auto resolution: {vector{155,213,0},vector{858,1181,0},vector{1488,2048,0}})
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check({x,0,z},origin,size,resolution[0],resolution[1]);
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check({-4000,0,15000},{-4096,0,10240},{8192,0,6144},858,1181);
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check({0,0,0},origin,{1024,0,512},1488,2048); // zoom in to fit a small terrain
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check({20000,0,20000},origin,size,858,1181); // a terrain carrier outside map bounds
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float zoom=.12f;vector centre{};
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assert(FitPaperView({7680,0,7680},origin,size,744,1024,zoom,centre));
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assert(zoom==.12f&¢re[0]==7680&¢re[2]==7680); // interior framing unchanged
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assert(!FitPaperView(origin,origin,{0,0,15360},744,1024,zoom,centre));
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assert(!FitPaperView(origin,origin,size,0,1024,zoom,centre));
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}
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''')
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print('PASS: actual paper framing stays inside terrain bounds at edges, corners, shifted origins and different resolutions; small terrains fit by zooming')
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