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the game where you go into mines and start crafting! but for consoles (forked directly from smartcmd's github)
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5.0 kB · 159 lines
C++
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159#include "stdafx.h"#include "ViewportCuller.h"#include "..\Minecraft.World\Mth.h"
ViewportCuller::Face::Face(double x, double y, double z, float yRot, float xRot){ this->xc = x; this->yc = y; this->zc = z; xd = Mth::sin(yRot / 180 * PI) * Mth::cos(xRot / 180 * PI); zd = -Mth::cos(yRot / 180 * PI) * Mth::cos(xRot / 180 * PI); yd = -Mth::sin(xRot / 180 * PI); cullOffs = xc*xd+yc*yd+zc*zd; } bool ViewportCuller::Face::inFront(double x, double y, double z, double r){ return x*xd+y*yd+z*zd>cullOffs-r; }
bool ViewportCuller::Face::inFront(double x0, double y0, double z0, double x1, double y1, double z1){ if ( x0*xd+y0*yd+z0*zd>cullOffs || x1*xd+y0*yd+z0*zd>cullOffs || x0*xd+y1*yd+z0*zd>cullOffs || x1*xd+y1*yd+z0*zd>cullOffs || x0*xd+y0*yd+z1*zd>cullOffs || x1*xd+y0*yd+z1*zd>cullOffs || x0*xd+y1*yd+z1*zd>cullOffs || x1*xd+y1*yd+z1*zd>cullOffs ) return true; return false;}
bool ViewportCuller::Face::fullyInFront(double x0, double y0, double z0, double x1, double y1, double z1){ if ( x0*xd+y0*yd+z0*zd<cullOffs || x1*xd+y0*yd+z0*zd<cullOffs || x0*xd+y1*yd+z0*zd<cullOffs || x1*xd+y1*yd+z0*zd<cullOffs || x0*xd+y0*yd+z1*zd<cullOffs || x1*xd+y0*yd+z1*zd<cullOffs || x0*xd+y1*yd+z1*zd<cullOffs || x1*xd+y1*yd+z1*zd<cullOffs ) return false; return true;}
ViewportCuller::ViewportCuller(shared_ptr<LivingEntity> mob, double fogDistance, float a){ float yRot = mob->yRotO+(mob->yRot-mob->yRotO)*a; float xRot = mob->xRotO+(mob->xRot-mob->xRotO)*a; double x = mob->xOld+(mob->x-mob->xOld)*a; double y = mob->yOld+(mob->y-mob->yOld)*a; double z = mob->zOld+(mob->z-mob->zOld)*a;
double xd = Mth::sin(yRot / 180 * PI) * Mth::cos(xRot / 180 * PI); double zd = -Mth::cos(yRot / 180 * PI) * Mth::cos(xRot / 180 * PI); double yd = -Mth::sin(xRot / 180 * PI);
float xFov = 30; float yFov = 45; faces[0] = Face(x, y, z, yRot, xRot); faces[1] = Face(x, y, z, yRot+xFov, xRot); faces[2] = Face(x, y, z, yRot-xFov, xRot); faces[3] = Face(x, y, z, yRot, xRot+yFov); faces[4] = Face(x, y, z, yRot, xRot-yFov); faces[5] = Face(x+xd*fogDistance, y+yd*fogDistance, z+zd*fogDistance, yRot+180, -xRot); }
bool ViewportCuller::isVisible(AABB bb){ return cubeInFrustum(bb.x0, bb.y0, bb.z0, bb.x1, bb.y1, bb.z1);}
bool ViewportCuller::cubeInFrustum(double x0, double y0, double z0, double x1, double y1, double z1){ x0-=xOff; y0-=yOff; z0-=zOff; x1-=xOff; y1-=yOff; z1-=zOff; double xd = (x1-x0)/2.0f; double yd = (y1-y0)/2.0f; double zd = (z1-z0)/2.0f; double xc = x0+xd; double yc = y0+yd; double zc = z0+zd; double r = _max(xd, yd, zd)*1.5f; if (!faces[0].inFront(xc, yc, zc, r)) return false; if (!faces[1].inFront(xc, yc, zc, r)) return false; if (!faces[2].inFront(xc, yc, zc, r)) return false; if (!faces[3].inFront(xc, yc, zc, r)) return false; if (!faces[4].inFront(xc, yc, zc, r)) return false; if (!faces[5].inFront(xc, yc, zc, r)) return false;
if (!faces[0].inFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[1].inFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[2].inFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[3].inFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[4].inFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[5].inFront(x0, y0, z0, x1, y1, z1)) return false; return true;
}
bool ViewportCuller::cubeFullyInFrustum(double x0, double y0, double z0, double x1, double y1, double z1){ x0-=xOff; y0-=yOff; z0-=zOff; x1-=xOff; y1-=yOff; z1-=zOff;
double xd = (x1-x0)/2.0f; double yd = (y1-y0)/2.0f; double zd = (z1-z0)/2.0f; double xc = x0+xd; double yc = y0+yd; double zc = z0+zd; double r = _max(xd, yd, zd)*1.5f;
if (!faces[0].inFront(xc, yc, zc, r)) return false; if (!faces[1].inFront(xc, yc, zc, r)) return false; if (!faces[2].inFront(xc, yc, zc, r)) return false; if (!faces[3].inFront(xc, yc, zc, r)) return false; if (!faces[4].inFront(xc, yc, zc, r)) return false; if (!faces[5].inFront(xc, yc, zc, r)) return false; if (!faces[0].fullyInFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[1].fullyInFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[2].fullyInFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[3].fullyInFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[4].fullyInFront(x0, y0, z0, x1, y1, z1)) return false; if (!faces[5].fullyInFront(x0, y0, z0, x1, y1, z1)) return false; return true;}
double ViewportCuller::_max(double a, double b, double c){ return (a>b?a>c?c:a:b>c?b:c);}
void ViewportCuller::prepare(double xOff, double yOff, double zOff){ this->xOff = xOff; this->yOff = yOff; this->zOff = zOff;}