mirrors
/
hyperrogue
mirror of https://github.com/zenorogue/hyperrogue.git
1
0
Fork 0
Code Issues Releases Wiki Activity
hyperrogue/geometry.cpp

983 lines
30 KiB
C++
Raw Blame History

// Hyperbolic Rogue -- basic geometry
// Copyright (C) 2011-2019 Zeno Rogue, see 'hyper.cpp' for details
/** \file geometry.cpp
* \brief Calculation of basic, and less basic, constants in each geometry
*/
#include "hyper.h"
namespace hr {
#if HDR
struct usershapelayer {
vector<hyperpoint> list;
bool sym;
int rots;
color_t color;
hyperpoint shift, spin;
ld zlevel;
int texture_offset;
PPR prio;
};
extern int usershape_changes;
static const int USERLAYERS = 32;
struct usershape { usershapelayer d[USERLAYERS]; };
struct hpcshape {
int s, e;
PPR prio;
int flags;
hyperpoint intester;
struct basic_textureinfo *tinf;
int texture_offset;
int shs, she;
void clear() { s = e = shs = she = texture_offset = 0; prio = PPR::ZERO; tinf = NULL; flags = 0; }
};
#define SIDE_SLEV 0
#define SIDE_WTS3 3
#define SIDE_WALL 4
#define SIDE_LAKE 5
#define SIDE_LTOB 6
#define SIDE_BTOI 7
#define SIDE_SKY 8
#define SIDE_HIGH 9
#define SIDE_HIGH2 10
#define SIDEPARS 11
#define BADMODEL 0
static const int WINGS = (BADMODEL ? 1 : 4);
typedef array<hpcshape, WINGS+1> hpcshape_animated;
extern vector<hpcshape> shPlainWall3D, shWireframe3D, shWall3D, shMiniWall3D;
struct floorshape {
bool is_plain;
int shapeid;
int id;
int pstrength; // pattern strength in 3D
int fstrength; // frame strength in 3D
PPR prio;
vector<hpcshape> b, shadow, side[SIDEPARS], gpside[SIDEPARS][MAX_EDGE], levels[SIDEPARS], cone[2];
floorshape() { prio = PPR::FLOOR; pstrength = fstrength = 10; }
};
struct plain_floorshape : floorshape {
ld rad0, rad1;
void configure(ld r0, ld r1) { rad0 = r0; rad1 = r1; }
};
extern vector<ld> equal_weights;
// noftype: 0 (shapeid2 is heptagonal or just use shapeid1), 1 (shapeid2 is pure heptagonal), 2 (shapeid2 is Euclidean), 3 (shapeid2 is hexagonal)
struct escher_floorshape : floorshape {
int shapeid0, shapeid1, noftype, shapeid2;
ld scale;
};
struct basic_textureinfo {
int texture_id;
vector<glvertex> tvertices;
};
/** basic geometry parameters */
struct geometry_information {
/** distance from heptagon center to another heptagon center */
ld tessf;
/** distance from heptagon center to adjacent cell center (either hcrossf or tessf) */
ld crossf;
/** distance from heptagon center to small heptagon vertex */
ld hexf;
/** distance from heptagon center to big heptagon vertex */
ld hcrossf;
/** distance between adjacent hexagon vertices */
ld hexhexdist;
/** distance between hexagon vertex and hexagon center */
ld hexvdist;
/** distance between heptagon vertex and hexagon center (either hcrossf or something else) */
ld hepvdist;
/** distance from heptagon center to heptagon vertex (either hexf or hcrossf) */
ld rhexf;
transmatrix heptmove[MAX_EDGE], hexmove[MAX_EDGE];
transmatrix invheptmove[MAX_EDGE], invhexmove[MAX_EDGE];
int base_distlimit;
/** size of the Sword (from Orb of the Sword), used in the shmup mode */
ld sword_size;
/** scale factor for the graphics of most things*/
ld scalefactor;
ld orbsize, floorrad0, floorrad1, zhexf;
ld corner_bonus;
ld hexshift;
ld asteroid_size[8];
ld wormscale;
ld tentacle_length;
/** level in product geometries */
ld plevel;
/** level for a z-step */
int single_step;
/** the number of levels in SL2 */
int steps;
/** various parameters related to the 3D view */
ld INFDEEP, BOTTOM, HELLSPIKE, LAKE, WALL, FLOOR, STUFF,
SLEV[4], FLATEYE,
LEG0, LEG1, LEG, LEG3, GROIN, GROIN1, GHOST,
BODY, BODY1, BODY2, BODY3,
NECK1, NECK, NECK3, HEAD, HEAD1, HEAD2, HEAD3,
ALEG0, ALEG, ABODY, AHEAD, BIRD, LOWSKY, SKY, HIGH, HIGH2;
ld human_height, slev;
ld eyelevel_familiar, eyelevel_human, eyelevel_dog;
#if CAP_SHAPES
hpcshape
shSemiFloorSide[SIDEPARS],
shBFloor[2],
shWave[8][2],
shCircleFloor,
shBarrel,
shWall[2], shMineMark[2], shBigMineMark[2], shFan,
shZebra[5],
shSwitchDisk,
shTower[11],
shEmeraldFloor[6],
shSemiFeatherFloor[2],
shSemiFloor[2], shSemiBFloor[2], shSemiFloorShadow,
shMercuryBridge[2],
shTriheptaSpecial[14],
shCross, shGiantStar[2], shLake, shMirror,
shHalfFloor[6], shHalfMirror[3],
shGem[2], shStar, shDisk, shDiskT, shDiskS, shDiskM, shDiskSq, shRing,
shTinyBird, shTinyShark,
shEgg,
shSpikedRing, shTargetRing, shSawRing, shGearRing, shPeaceRing, shHeptaRing,
shSpearRing, shLoveRing,
shDaisy, shTriangle, shNecro, shStatue, shKey, shWindArrow,
shGun,
shFigurine, shTreat,
shElementalShard,
// shBranch,
shIBranch, shTentacle, shTentacleX, shILeaf[3],
shMovestar,
shWolf, shYeti, shDemon, shGDemon, shEagle, shGargoyleWings, shGargoyleBody,
shFoxTail1, shFoxTail2,
shDogBody, shDogHead, shDogFrontLeg, shDogRearLeg, shDogFrontPaw, shDogRearPaw,
shDogTorso,
shHawk,
shCatBody, shCatLegs, shCatHead, shFamiliarHead, shFamiliarEye,
shWolf1, shWolf2, shWolf3,
shRatEye1, shRatEye2, shRatEye3,
shDogStripes,
shPBody, shPSword, shPKnife,
shFerocityM, shFerocityF,
shHumanFoot, shHumanLeg, shHumanGroin, shHumanNeck, shSkeletalFoot, shYetiFoot,
shMagicSword, shMagicShovel, shSeaTentacle, shKrakenHead, shKrakenEye, shKrakenEye2,
shArrow,
shPHead, shPFace, shGolemhead, shHood, shArmor,
shAztecHead, shAztecCap,
shSabre, shTurban1, shTurban2, shVikingHelmet, shRaiderHelmet, shRaiderArmor, shRaiderBody, shRaiderShirt,
shWestHat1, shWestHat2, shGunInHand,
shKnightArmor, shKnightCloak, shWightCloak,
shGhost, shEyes, shSlime, shJelly, shJoint, shWormHead, shTentHead, shShark, shWormSegment, shSmallWormSegment, shWormTail, shSmallWormTail,
shSlimeEyes, shDragonEyes, shWormEyes, shGhostEyes,
shMiniGhost, shMiniEyes,
shHedgehogBlade, shHedgehogBladePlayer,
shWolfBody, shWolfHead, shWolfLegs, shWolfEyes,
shWolfFrontLeg, shWolfRearLeg, shWolfFrontPaw, shWolfRearPaw,
shFemaleBody, shFemaleHair, shFemaleDress, shWitchDress,
shWitchHair, shBeautyHair, shFlowerHair, shFlowerHand, shSuspenders, shTrophy,
shBugBody, shBugArmor, shBugLeg, shBugAntenna,
shPickAxe, shPike, shFlailBall, shFlailTrunk, shFlailChain, shHammerHead,
shBook, shBookCover, shGrail,
shBoatOuter, shBoatInner, shCompass1, shCompass2, shCompass3,
shKnife, shTongue, shFlailMissile, shTrapArrow,
shPirateHook, shPirateHood, shEyepatch, shPirateX,
// shScratch,
shHeptaMarker, shSnowball, shSun, shNightStar, shEuclideanSky,
shSkeletonBody, shSkull, shSkullEyes, shFatBody, shWaterElemental,
shPalaceGate, shFishTail,
shMouse, shMouseLegs, shMouseEyes,
shPrincessDress, shPrinceDress,
shWizardCape1, shWizardCape2,
shBigCarpet1, shBigCarpet2, shBigCarpet3,
shGoatHead, shRose, shRoseItem, shThorns,
shRatHead, shRatTail, shRatEyes, shRatCape1, shRatCape2,
shWizardHat1, shWizardHat2,
shTortoise[13][6],
shDragonLegs, shDragonTail, shDragonHead, shDragonSegment, shDragonNostril,
shDragonWings,
shSolidBranch, shWeakBranch, shBead0, shBead1,
shBatWings, shBatBody, shBatMouth, shBatFang, shBatEye,
shParticle[16], shAsteroid[8],
shReptile[5][4],
shReptileBody, shReptileHead, shReptileFrontFoot, shReptileRearFoot,
shReptileFrontLeg, shReptileRearLeg, shReptileTail, shReptileEye,
shTrylobite, shTrylobiteHead, shTrylobiteBody,
shTrylobiteFrontLeg, shTrylobiteRearLeg, shTrylobiteFrontClaw, shTrylobiteRearClaw,
shBullBody, shBullHead, shBullHorn, shBullRearHoof, shBullFrontHoof,
shButterflyBody, shButterflyWing, shGadflyBody, shGadflyWing, shGadflyEye,
shTerraArmor1, shTerraArmor2, shTerraArmor3, shTerraHead, shTerraFace,
shJiangShi, shJiangShiDress, shJiangShiCap1, shJiangShiCap2,
shAsymmetric,
shPBodyOnly, shPBodyArm, shPBodyHand, shPHeadOnly,
shDodeca;
hpcshape_animated
shAnimatedEagle, shAnimatedTinyEagle, shAnimatedGadfly, shAnimatedHawk, shAnimatedButterfly,
shAnimatedGargoyle, shAnimatedGargoyle2, shAnimatedBat, shAnimatedBat2;
vector<hpcshape> shPlainWall3D, shWireframe3D, shWall3D, shMiniWall3D;
vector<hyperpoint> walltester;
vector<struct plain_floorshape*> all_plain_floorshapes;
vector<struct escher_floorshape*> all_escher_floorshapes;
plain_floorshape
shFloor,
shMFloor, shMFloor2, shMFloor3, shMFloor4, shFullFloor,
shBigTriangle, shTriheptaFloor, shBigHepta;
escher_floorshape
shStarFloor, shCloudFloor, shCrossFloor, shChargedFloor,
shSStarFloor, shOverFloor, shTriFloor, shFeatherFloor,
shBarrowFloor, shNewFloor, shTrollFloor, shButterflyFloor,
shLavaFloor, shLavaSeabed, shSeabed, shCloudSeabed,
shCaveSeabed, shPalaceFloor, shDemonFloor, shCaveFloor,
shDesertFloor, shPowerFloor, shRoseFloor, shSwitchFloor,
shTurtleFloor, shRedRockFloor[3], shDragonFloor;
ld dlow_table[SIDEPARS], dhi_table[SIDEPARS], dfloor_table[SIDEPARS];
int prehpc;
vector<hyperpoint> hpc;
bool first;
bool validsidepar[SIDEPARS];
vector<glvertex> ourshape;
#endif
hpcshape shFullCross[2];
hpcshape *last;
int SD3, SD6, SD7, S12, S14, S21, S28, S42, S36, S84;
vector<int> walloffsets;
vector<array<int, 3>> symmetriesAt;
#ifndef SCALETUNER
static constexpr
#endif
double bscale7 = 1, brot7 = 0, bscale6 = 1, brot6 = 0;
vector<hpcshape*> allshapes;
transmatrix shadowmulmatrix;
map<usershapelayer*, hpcshape> ushr;
void prepare_basics();
void prepare_compute3();
void prepare_shapes();
void prepare_usershapes();
void hpcpush(hyperpoint h);
void hpcsquare(hyperpoint h1, hyperpoint h2, hyperpoint h3, hyperpoint h4);
void chasmifyPoly(double fac, double fac2, int k);
void shift(hpcshape& sh, double dx, double dy, double dz);
void initPolyForGL();
void extra_vertices();
transmatrix ddi(int a, ld x);
void drawTentacle(hpcshape &h, ld rad, ld var, ld divby);
hyperpoint hpxyzsc(double x, double y, double z);
hyperpoint turtlevertex(int u, double x, double y, double z);
void bshape(hpcshape& sh, PPR prio);
void finishshape();
void bshape(hpcshape& sh, PPR prio, double shzoom, int shapeid, double bonus = 0, flagtype flags = 0);
void copyshape(hpcshape& sh, hpcshape& orig, PPR prio);
void zoomShape(hpcshape& old, hpcshape& newsh, double factor, PPR prio);
void pushShape(usershapelayer& ds);
void make_sidewalls();
void procedural_shapes();
void make_wall(int id, const vector<hyperpoint> vertices, vector<ld> weights = equal_weights);
void reserve_wall3d(int i);
void compute_cornerbonus();
void create_wall3d();
void configure_floorshapes();
void init_floorshapes();
void bshape2(hpcshape& sh, PPR prio, int shapeid, struct matrixlist& m);
void bshape_regular(floorshape &fsh, int id, int sides, int shift, ld size, cell *model);
void generate_floorshapes_for(int id, cell *c, int siid, int sidir);
void generate_floorshapes();
void make_floor_textures_here();
vector<hyperpoint> get_shape(hpcshape sh);
void add_cone(ld z0, const vector<hyperpoint>& vh, ld z1);
void add_prism_sync(ld z0, vector<hyperpoint> vh0, ld z1, vector<hyperpoint> vh1);
void add_prism(ld z0, vector<hyperpoint> vh0, ld z1, vector<hyperpoint> vh1);
void shift_last(ld z);
void shift_shape(hpcshape& sh, ld z);
void shift_shape_orthogonally(hpcshape& sh, ld z);
void add_texture(hpcshape& sh);
void make_ha_3d(hpcshape& sh, bool isarmor, ld scale);
void make_humanoid_3d(hpcshape& sh);
void addtri(array<hyperpoint, 3> hs, int kind);
void make_armor_3d(hpcshape& sh, int kind = 1);
void make_foot_3d(hpcshape& sh);
void make_head_only();
void make_head_3d(hpcshape& sh);
void make_paw_3d(hpcshape& sh, hpcshape& legsh);
void make_abody_3d(hpcshape& sh, ld tail);
void make_ahead_3d(hpcshape& sh);
void make_skeletal(hpcshape& sh, ld push = 0);
void make_revolution(hpcshape& sh, int mx = 180, ld push = 0);
void make_revolution_cut(hpcshape &sh, int each = 180, ld push = 0, ld width = 99);
void clone_shape(hpcshape& sh, hpcshape& target);
void animate_bird(hpcshape& orig, hpcshape_animated& animated, ld body);
void slimetriangle(hyperpoint a, hyperpoint b, hyperpoint c, ld rad, int lev);
void balltriangle(hyperpoint a, hyperpoint b, hyperpoint c, ld rad, int lev);
void make_ball(hpcshape& sh, ld rad, int lev);
void make_star(hpcshape& sh, ld rad);
void make_euclidean_sky();
void adjust_eye(hpcshape& eye, hpcshape head, ld shift_eye, ld shift_head, int q, ld zoom=1);
void shift_last_straight(ld z);
void queueball(const transmatrix& V, ld rad, color_t col, eItem what);
void make_shadow(hpcshape& sh);
void make_3d_models();
/* Goldberg parameters */
#if CAP_GP
struct gpdata_t {
transmatrix Tf[MAX_EDGE][32][32][6];
transmatrix corners;
ld alpha;
int area;
};
shared_ptr<gpdata_t> gpdata;
#endif
int state;
int usershape_state;
/** contains the texture point coordinates for 3D models */
basic_textureinfo models_texture;
geometry_information() { last = NULL; state = usershape_state = 0; gpdata = NULL; }
void require_basics() { if(state & 1) return; state |= 1; prepare_basics(); }
void require_shapes() { if(state & 2) return; state |= 2; prepare_shapes(); }
void require_usershapes() { if(usershape_state == usershape_changes) return; usershape_state = usershape_changes; prepare_usershapes(); }
int timestamp;
};
#endif
/** values of hcrossf and hexf for the standard geometry. Since polygons are
* usually drawn in this geometry, the scale in other geometries is usually
* based on comparing these values to the values in the other geometry.
*/
#if HDR
static const ld hcrossf7 = 0.620672, hexf7 = 0.378077, tessf7 = 1.090550, hexhexdist7 = 0.566256;
#endif
EX bool scale_used() { return (shmup::on && geometry == gNormal && BITRUNCATED) ? (cheater || autocheat) : true; }
void geometry_information::prepare_basics() {
DEBBI(DF_INIT | DF_POLY | DF_GEOM, ("prepare_basics"));
hexshift = 0;
ld fmin, fmax;
if(archimedean)
ginf[gArchimedean].cclass = gcHyperbolic;
if(euclid) {
// dynamicval<eGeometry> g(geometry, gNormal);
// for(int i=0; i<S84; i++) spinmatrix[i] = spin(i * M_PI / S42);
if(a4 && !BITRUNCATED) {
crossf = .5;
hexf = .5;
hcrossf = crossf * sqrt(2) / 2;
hexhexdist = crossf;
hexvdist = hexf;
hepvdist = hexf;
rhexf = crossf * sqrt(2) / 2;
tessf = crossf;
}
else if(a4 && BITRUNCATED) {
ld s2 = sqrt(2);
ld xx = 1 - s2 / 2;
crossf = .5;
tessf = crossf * s2;
hexf = .5 * xx * s2;
hcrossf = crossf;
hexhexdist = crossf * s2;
hexvdist = crossf * hypot(1-xx, xx);
hepvdist = crossf;
rhexf = hexf;
tessf = crossf;
}
else {
crossf = .5;
tessf = crossf * sqrt(3);
hexf = tessf/3;
hcrossf = crossf;
hexhexdist = crossf;
hexvdist = hexf;
hepvdist = crossf;
rhexf = hexf;
}
goto finish;
}
if(hybri) {
auto t = this;
ld d = prod ? 1 : 2;
hybrid::in_underlying_geometry([&] {
t->rhexf = cgi.rhexf / d;
t->hexf = cgi.hexf / d;
t->crossf = cgi.crossf / d;
t->hcrossf = cgi.crossf / d;
t->tessf = cgi.tessf / d;
t->hexvdist = cgi.hexvdist / d;
t->hexhexdist = hdist(xpush0(cgi.hcrossf), xspinpush0(M_PI*2/S7, cgi.hcrossf)) / d;
t->base_distlimit = cgi.base_distlimit-1;
});
goto hybrid_finish;
}
if((sphere || hyperbolic) && WDIM == 3 && !binarytiling) {
rhexf = hexf = 0.378077;
crossf = hcrossf = 0.620672;
tessf = 1.090550;
hexhexdist = 0.566256;
goto finish;
}
tessf = edge_of_triangle_with_angles(2*M_PI/S3, M_PI/S7, M_PI/S7);
if(elliptic && S7 == 4) tessf = M_PI/2;
hcrossf = edge_of_triangle_with_angles(M_PI/2, M_PI/S7, M_PI/S3);
crossf = BITRUNCATED ? hcrossf : tessf;
fmin = 0, fmax = tessf;
for(int p=0; p<100; p++) {
ld f = (fmin+fmax) / 2;
hyperpoint H = xpush0(f);
hyperpoint H1 = spin(2*M_PI/S7) * H;
hyperpoint H2 = xpush0(tessf-f);
ld v1 = intval(H, H1), v2 = intval(H, H2);
if(v1 < v2) fmin = f; else fmax = f;
}
hexf = fmin;
rhexf = BITRUNCATED ? hexf : hcrossf;
if(!euclid && BITRUNCATED && !(S7&1))
hexshift = ALPHA/2 + ALPHA * ((S7-1)/2) + M_PI;
finish:
for(int d=0; d<S7; d++)
heptmove[d] = spin(-d * ALPHA) * xpush(tessf) * spin(M_PI);
for(int d=0; d<S7; d++)
hexmove[d] = spin(hexshift-d * ALPHA) * xpush(-crossf)* spin(M_PI);
for(int d=0; d<S7; d++) invheptmove[d] = inverse(heptmove[d]);
for(int d=0; d<S7; d++) invhexmove[d] = inverse(hexmove[d]);
hexhexdist = hdist(xpush0(crossf), xspinpush0(M_PI*2/S7, crossf));
hexvdist = hdist(xpush0(hexf), xspinpush0(ALPHA/2, hcrossf));
DEBB(DF_GEOM | DF_POLY,
(format("S7=%d S6=%d hexf = " LDF" hcross = " LDF" tessf = " LDF" hexshift = " LDF " hexhex = " LDF " hexv = " LDF "\n", S7, S6, hexf, hcrossf, tessf, hexshift,
hexhexdist, hexvdist)));
base_distlimit = ginf[geometry].distlimit[!BITRUNCATED];
#if CAP_GP
gp::compute_geometry();
#endif
#if CAP_IRR
irr::compute_geometry();
#endif
#if CAP_ARCM
if(archimedean) {
arcm::current.compute_geometry();
crossf = hcrossf7 * arcm::current.scale();
hexvdist = arcm::current.scale() * .5;
rhexf = arcm::current.scale() * .5;
}
#endif
#if CAP_BT
if(binarytiling) hexvdist = rhexf = 1, tessf = 1, scalefactor = 1, crossf = hcrossf7;
if(geometry == gHoroRec || penrose || sol || nil) hexvdist = rhexf = .5, tessf = .5, scalefactor = .5, crossf = hcrossf7/2;
#endif
#if CAP_BT && MAXMDIM >= 4
if(binarytiling) binary::build_tmatrix();
#endif
hybrid_finish:
scalefactor = crossf / hcrossf7;
orbsize = crossf;
if(scale_used()) scalefactor *= vid.creature_scale;
zhexf = BITRUNCATED ? hexf : crossf* .55;
if(scale_used()) zhexf *= vid.creature_scale;
if(WDIM == 2 && GDIM == 3) zhexf *= 1.5, orbsize *= 1.2;
floorrad0 = hexvdist* (GDIM == 3 ? 1 : 0.92);
floorrad1 = rhexf * (GDIM == 3 ? 1 : 0.94);
if(euclid4) {
if(!BITRUNCATED)
floorrad0 = floorrad1 = rhexf * (GDIM == 3 ? 1 : .94);
else
floorrad0 = hexvdist * (GDIM == 3 ? 1 : .9),
floorrad1 = rhexf * (GDIM == 3 ? 1 : .8);
}
plevel = vid.plevel_factor * scalefactor;
steps = 0;
single_step = 1;
if(hybri && !prod) {
if(hybrid::underlying == gArchimedean)
arcm::current.get_step_values(steps, single_step);
else {
single_step = S3 * S7 - 2 * S7 - 2 * S3;
steps = 2 * S7;
if(BITRUNCATED) steps *= S3;
if(single_step < 0) single_step = -single_step;
}
DEBB(DF_GEOM | DF_POLY, ("steps = ", steps, " / ", single_step));
plevel = M_PI * single_step / steps;
}
if(hybri) {
/* we do not want too short creatures, better make the scale factor smaller */
scalefactor = min(scalefactor, cgi.plevel * 1.8 / vid.height_width);
}
set_sibling_limit();
prepare_compute3();
if(hyperbolic && &currfp != &fieldpattern::fp_invalid)
currfp.analyze();
}
EX transmatrix xspinpush(ld dir, ld dist) {
if(euclid)
return eupush(cos(dir) * dist, -sin(dir) * dist);
else
return spin(dir) * xpush(dist) * spin(-dir);
}
EX purehookset hooks_swapdim;
EX namespace geom3 {
// Here we convert between the following parameters:
// abslev: level below the plane
// lev: level above the world (abslev = depth-lev)
// projection: projection parameter
// factor: zoom factor
ld abslev_to_projection(ld abslev) {
if(sphere || euclid) return vid.camera+abslev;
return tanh(abslev) / tanh(vid.camera);
}
ld projection_to_abslev(ld proj) {
if(sphere || euclid) return proj-vid.camera;
// tanh(abslev) / tanh(camera) = proj
return atanh(proj * tanh(vid.camera));
}
ld lev_to_projection(ld lev) {
return abslev_to_projection(vid.depth - lev);
}
ld projection_to_factor(ld proj) {
return lev_to_projection(0) / proj;
}
EX ld factor_to_projection(ld fac) {
return lev_to_projection(0) / fac;
}
EX ld lev_to_factor(ld lev) {
if(prod) return -lev;
if(WDIM == 3) return lev;
if(GDIM == 3) return vid.depth - lev;
return projection_to_factor(lev_to_projection(lev));
}
ld factor_to_lev(ld fac) {
if(prod) return -fac;
if(GDIM == 3) return fac;
return vid.depth - projection_to_abslev(factor_to_projection(fac));
}
EX void do_auto_eye() {
if(!vid.auto_eye) return;
auto& cs = getcs();
if(cs.charid < 4)
vid.eye = cgi.eyelevel_human;
else if(cs.charid < 8)
vid.eye = cgi.eyelevel_dog;
else if(cs.charid == 8)
vid.eye = cgi.eyelevel_familiar;
}
// how should we scale at level lev
ld scale_at_lev(ld lev) {
if(sphere || euclid) return 1;
return cosh(vid.depth - lev);
}
EX string invalid;
EX ld actual_wall_height() {
if(hybri) return cgi.plevel;
#if CAP_GP
if(GOLDBERG && vid.gp_autoscale_heights)
return vid.wall_height * min<ld>(4 / hypot_d(2, gp::next), 1);
#endif
return vid.wall_height;
}
EX }
void geometry_information::prepare_compute3() {
using namespace geom3;
DEBBI(DF_INIT | DF_POLY | DF_GEOM, ("geom3::compute"));
// tanh(depth) / tanh(camera) == vid.alpha
invalid = "";
if(GDIM == 3) ;
else if(vid.tc_alpha < vid.tc_depth && vid.tc_alpha < vid.tc_camera)
vid.alpha = tan_auto(vid.depth) / tan_auto(vid.camera);
else if(vid.tc_depth < vid.tc_alpha && vid.tc_depth < vid.tc_camera) {
ld v = vid.alpha * tan_auto(vid.camera);
if(hyperbolic && (v<1e-6-12 || v>1-1e-12)) invalid = "cannot adjust depth", vid.depth = vid.camera;
else vid.depth = atan_auto(v);
}
else {
ld v = tan_auto(vid.depth) / vid.alpha;
if(hyperbolic && (v<1e-12-1 || v>1-1e-12)) invalid = "cannot adjust camera", vid.camera = vid.depth;
else vid.camera = atan_auto(v);
}
if(fabs(vid.alpha) < 1e-6) invalid = "does not work with perfect Klein";
if(invalid != "") {
INFDEEP = .7;
BOTTOM = .8;
HELLSPIKE = .85;
LAKE = .9;
FLOOR = 1;
WALL = 1.25;
SLEV[0] = 1;
SLEV[1] = 1.08;
SLEV[2] = 1.16;
SLEV[3] = 1.24;
FLATEYE = 1.03;
LEG1 = 1.025;
LEG = 1.05;
LEG3 = 1.075;
GROIN = 1.09;
GROIN1 = 1.105;
GHOST = 1.1;
BODY = 1.15;
BODY1 = 1.151;
BODY2 = 1.152;
BODY3 = 1.153;
NECK1 = 1.16;
NECK = 1.17;
NECK3 = 1.18;
HEAD = 1.188;
HEAD1= 1.189;
HEAD2= 1.190;
HEAD3= 1.191;
ABODY = 1.08;
AHEAD = 1.12;
BIRD = 1.20;
}
else {
INFDEEP = GDIM == 3 ? (sphere ? M_PI/2 : +5) : (euclid || sphere) ? 0.01 : lev_to_projection(0) * tanh(vid.camera);
ld wh = actual_wall_height();
WALL = lev_to_factor(wh);
FLOOR = lev_to_factor(0);
human_height = vid.human_wall_ratio * wh;
if(WDIM == 3) human_height = scalefactor * vid.height_width / 2;
if(hybri) human_height = min(human_height, cgi.plevel * .9);
ld reduce = (WDIM == 3 ? human_height / 2 : 0);
LEG0 = lev_to_factor(human_height * .0 - reduce);
LEG1 = lev_to_factor(human_height * .1 - reduce);
LEG = lev_to_factor(human_height * .2 - reduce);
LEG3 = lev_to_factor(human_height * .3 - reduce);
GROIN = lev_to_factor(human_height * .4 - reduce);
GROIN1= lev_to_factor(human_height * .5 - reduce);
BODY = lev_to_factor(human_height * .6 - reduce);
BODY1 = lev_to_factor(human_height * .61 - reduce);
BODY2 = lev_to_factor(human_height * .62 - reduce);
BODY3 = lev_to_factor(human_height * .63 - reduce);
NECK1 = lev_to_factor(human_height * .7 - reduce);
NECK = lev_to_factor(human_height * .8 - reduce);
NECK3 = lev_to_factor(human_height * .9 - reduce);
HEAD = lev_to_factor(human_height * .97 - reduce);
HEAD1 = lev_to_factor(human_height * .98 - reduce);
HEAD2 = lev_to_factor(human_height * .99 - reduce);
HEAD3 = lev_to_factor(human_height - reduce);
reduce = (GDIM == 3 ? human_height * .3 : 0);
STUFF = lev_to_factor(0) - max(orbsize * 0.3, zhexf * .6);
ABODY = lev_to_factor(human_height * .4 - reduce);
ALEG0 = lev_to_factor(human_height * .0 - reduce);
ALEG = lev_to_factor(human_height * .2 - reduce);
AHEAD = lev_to_factor(human_height * .6 - reduce);
BIRD = lev_to_factor(WDIM == 3 ? 0 : (vid.human_wall_ratio+1)/2 * wh * .8);
GHOST = lev_to_factor(WDIM == 3 ? 0 : human_height * .5);
FLATEYE = lev_to_factor(human_height * .15);
slev = vid.rock_wall_ratio * wh / 3;
for(int s=0; s<=3; s++)
SLEV[s] = lev_to_factor(vid.rock_wall_ratio * wh * s/3);
LAKE = lev_to_factor(-vid.lake_top);
HELLSPIKE = lev_to_factor(-(vid.lake_top+vid.lake_bottom)/2);
BOTTOM = lev_to_factor(-vid.lake_bottom);
LOWSKY = lev_to_factor(2 * wh);
HIGH = LOWSKY;
HIGH2 = lev_to_factor(3 * wh);
SKY = LOWSKY - 5;
}
}
EX namespace geom3 {
EX void apply_always3() {
for(geometryinfo& gi: ginf) {
auto &g = gi.g;
if(vid.always3 && g.gameplay_dimension == 2 && g.graphical_dimension == 2) {
g.graphical_dimension++;
g.homogeneous_dimension++;
g.sig[3] = g.sig[2];
g.sig[2] = g.sig[1];
}
if(!vid.always3 && g.gameplay_dimension == 2 && g.graphical_dimension == 3) {
g.graphical_dimension--;
g.homogeneous_dimension--;
g.sig[1] = g.sig[2];
g.sig[2] = g.sig[3];
}
}
}
#if MAXMDIM >= 4
EX void switch_always3() {
if(dual::split(switch_always3)) return;
if(rug::rugged) rug::close();
vid.always3 = !vid.always3;
apply_always3();
swapmatrix(View);
callhooks(hooks_swapdim);
}
#endif
EX void switch_tpp() {
if(dual::split(switch_fpp)) return;
if(pmodel == mdDisk && vid.camera_angle) {
vid.yshift = 0;
vid.camera_angle = 0;
vid.xposition = 0;
vid.yposition = 0;
vid.scale = 1;
vid.fixed_facing = false;
}
else {
vid.yshift = -0.3;
vid.camera_angle = -45;
vid.scale = 18/16. * vid.xres / vid.yres / multi::players;
vid.xposition = 0;
vid.yposition = -0.9;
vid.fixed_facing = true;
vid.fixed_facing_dir = 90;
}
}
EX void switch_fpp() {
#if MAXMDIM >= 4
if(rug::rugged) rug::close();
if(dual::split(switch_fpp)) return;
check_cgi(); cgi.require_basics();
View = inverse(models::rotmatrix()) * View;
if(!vid.always3) {
vid.always3 = true;
apply_always3();
ld ms = min<ld>(cgi.scalefactor, 1);
vid.wall_height = 1.5 * ms;
if(sphere) {
vid.depth = M_PI / 6;
vid.wall_height = M_PI / 3;
}
vid.human_wall_ratio = 0.8;
if(euclid && allowIncreasedSight() && vid.use_smart_range == 0) {
genrange_bonus = gamerange_bonus = sightrange_bonus = cgi.base_distlimit * 3/2;
}
vid.camera = 0;
vid.depth = ms;
if(pmodel == mdDisk) pmodel = mdPerspective;
swapmatrix(View);
callhooks(hooks_swapdim);
#if CAP_RACING
racing::player_relative = true;
#endif
}
else {
vid.always3 = false;
apply_always3();
vid.wall_height = .3;
vid.human_wall_ratio = .7;
vid.camera = 1;
vid.depth = 1;
if(pmodel == mdPerspective) pmodel = mdDisk;
swapmatrix(View);
callhooks(hooks_swapdim);
}
View = models::rotmatrix() * View;
#endif
}
EX }
EX geometry_information *cgip;
EX map<string, geometry_information> cgis;
#if HDR
#define cgi (*cgip)
#endif
EX int last_texture_step;
int ntimestamp;
EX void check_cgi() {
string s;
auto V = [&] (string a, string b) { s += a; s += ": "; s += b; s += "; "; };
V("GEO", its(int(geometry)));
V("VAR", its(int(variation)));
if(GOLDBERG) V("GP", its(gp::param.first) + "," + its(gp::param.second));
if(IRREGULAR) V("IRR", its(irr::irrid));
if(archimedean) V("ARCM", arcm::current.symbol);
if(cryst) V("CRYSTAL", its(ginf[gCrystal].sides) + its(ginf[gCrystal].vertex));
if(binarytiling || GDIM == 3) V("WQ", its(vid.texture_step));
if(hybri) V("U", its(int(hybrid::underlying)));
if(prod) V("PL", fts(vid.plevel_factor));
if(binarytiling) V("BT", fts(vid.binary_width));
if(GDIM == 2) {
V("CAMERA", fts(vid.camera));
}
if(WDIM == 2) {
V("WH", fts(vid.wall_height));
V("HW", fts(vid.human_wall_ratio));
V("RW", fts(vid.rock_wall_ratio));
V("DEPTH", fts(vid.depth));
V("ASH", ONOFF(vid.gp_autoscale_heights));
V("LT", fts(vid.lake_top));
V("LB", fts(vid.lake_bottom));
}
V("3D", ONOFF(vid.always3));
if(scale_used()) V("CS", fts(vid.creature_scale));
if(WDIM == 3) V("HTW", fts(vid.height_width));
V("LQ", its(vid.linequality));
cgip = &cgis[s];
cgi.timestamp = ++ntimestamp;
if(hybri) hybrid::underlying_cgip->timestamp = ntimestamp;
if(isize(cgis) > 4) {
vector<pair<int, string>> timestamps;
for(auto& t: cgis) timestamps.emplace_back(-t.second.timestamp, t.first);
sort(timestamps.begin(), timestamps.end());
while(isize(timestamps) > 4) {
println(hlog, "erasing geometry ", timestamps.back().second);
cgis.erase(timestamps.back().second);
timestamps.pop_back();
}
}
if(floor_textures && last_texture_step != vid.texture_step) {
println(hlog, "changed ", last_texture_step, " to ", vid.texture_step);
delete floor_textures;
floor_textures = NULL;
}
#if MAXMDIM >= 4
if(!floor_textures && GDIM == 3 && (cgi.state & 2))
make_floor_textures();
#endif
}
void clear_cgis() {
printf("clear_cgis\n");
for(auto& p: cgis) if(&p.second != &cgi) { cgis.erase(p.first); return; }
}
auto ah_clear_geo = addHook(hooks_clear_cache, 0, clear_cgis);
}
Reference in New Issue View Git Blame Copy Permalink