/
pixelscreen.cs
494 lines (423 loc) · 12.2 KB
/
pixelscreen.cs
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Text;
namespace osusb1 {
partial class all {
interface IColorOwner
{
Color getColor(int i, int j, int x, int y, float z, vec2 uv);
}
class Pixelscreen {
public int x, y, hpixels, vpixels, pixelsize, hpixeloffset, vpixeloffset;
public object[,] owner;
public vec2[,] uv;
float[,] zbuf;
public Odot[,] odot;
public Pixelscreen(int x, int y, int hpixels, int vpixels, int pixelsize) {
this.x = x;
this.y = y;
this.hpixels = hpixels;
this.vpixels = vpixels;
this.pixelsize = pixelsize;
init();
}
public Pixelscreen(int hpixels, int vpixels, int pixelsize) {
this.x = 320 - hpixels * pixelsize / 2;
this.y = 240 - vpixels * pixelsize / 2;
this.hpixels = hpixels;
this.vpixels = vpixels;
this.pixelsize = pixelsize;
init();
}
public object ownerAt(vec2 pos) {
int x = (int) pos.x;
int y = (int) pos.y;
x -= this.x;
y -= this.y;
x /= pixelsize;
y /= pixelsize;
if (x < 0 || hpixels <= x || y < 0 || vpixels <= y) {
return null;
}
return owner[x, y];
}
public bool hasOwner(object owner) {
for (int i = 0; i < hpixels; i++) {
for (int j = 0; j < vpixels; j++) {
if (this.owner[i, j] == owner) {
return true;
}
}
}
return false;
}
private void init()
{
this.zbuf = new float[hpixels,vpixels];
this.owner = new object[hpixels, vpixels];
this.odot = new Odot[hpixels, vpixels];
this.uv = new vec2[hpixels, vpixels];
this.hpixeloffset = this.x / pixelsize;
this.vpixeloffset = this.y / pixelsize;
for (int i = 0; i < hpixels; i++) {
for (int j = 0; j < vpixels; j++) {
odot[i,j] = new Odot(pixelsize == 2 ? ".png" : pixelsize + ".png", 0);
}
}
}
public void clear() {
for (int i = 0; i < zbuf.GetLength(0); i++) {
for (int j = 0; j < zbuf.GetLength(1); j++) {
owner[i,j] = null;
}
}
}
public void draw(SCENE scene) {
for (int i = 0; i < hpixels; i++) {
for (int j = 0; j < vpixels; j++) {
if (!(owner[i,j] is IColorOwner)) {
odot[i,j].update(scene.time, null, null, 0f);
continue;
}
IColorOwner co = (IColorOwner) owner[i, j];
vec4 pos = v4(this.x + i * pixelsize, this.y + j * pixelsize, 1f, 1f);
vec4 res = col(co.getColor(i, j, (int) pos.x, (int) pos.y, zbuf[i, j], uv[i, j]));
if (res.x == 0f && res.y == 0f && res.z == 0f) {
// this somehow fixes things /shrug
odot[i, j].update(scene.time, null, null, 0f);
continue;
}
odot[i,j].update(scene.time, res, pos);
odot[i,j].draw(scene.g);
}
}
}
public void fin(Writer w) {
for (int i = 0; i < zbuf.GetLength(0); i++) {
for (int j = 0; j < zbuf.GetLength(1); j++) {
odot[i,j].fin(w);
}
}
}
public void tri(object owner, vec4[] points) {
if (points[0].z < 1 || points[1].z < 1 || points[2].z < 1) {
return;
}
Array.Sort(points, sorter.instance);
if (points[0].y == points[1].y) {
toptri(owner, points[0], points[1], points[2]);
return;
}
if (points[1].y == points[2].y) {
bottri(owner, points[0], points[1], points[2]);
return;
}
float perc = progress(points[0].y, points[2].y, points[1].y);
vec4 phantom = (points[2] - points[0]) * perc + points[0];
bottri(owner, points[0], phantom, points[1]);
toptri(owner, phantom, points[1], points[2]);
}
private void toptri(object owner, vec4 p0, vec4 p1, vec4 p2) {
if (p1.x < p0.x) {
vec4 _ = p1;
p1 = p0;
p0 = _;
}
if (p0.y - p2.y == 0) {
return;
}
/*
0 1
\/
2
*/
float minx = min(p0.x, p2.x);
float miny = p0.y;
float maxx = max(p1.x, p2.x);
float maxy = p2.y;
int p_minx = -hpixeloffset + (int) minx / pixelsize;
int p_miny = -vpixeloffset + (int) miny / pixelsize;
int p_maxx = -hpixeloffset + (int) maxx / pixelsize + 1;
int p_maxy = -vpixeloffset + (int) maxy / pixelsize + 1;
p_miny = max(0, min(p_miny, vpixels - 1));
p_minx = max(0, min(p_minx, hpixels - 1));
p_maxy = max(0, min(p_maxy, vpixels));
p_maxx = max(0, min(p_maxx, hpixels));
for (int y = p_miny; y < p_maxy; y++) {
float realy = this.y + y * pixelsize + pixelsize / 2f;
for (int x = p_minx; x < p_maxx; x++) {
float realx = this.x + x * pixelsize + pixelsize / 2f;
if (realy < p0.y) {
continue;
}
if (realy >= p2.y) {
continue;
}
float ypercleft = progress(p0.y, p2.y, realy);
float xminbound = lerp(p0.x, p2.x, ypercleft);
float ypercright = progress(p1.y, p2.y, realy);
float xmaxbound = lerp(p1.x, p2.x, ypercright);
if (realx < xminbound) {
continue;
}
if (realx >= xmaxbound) {
continue;
}
float xperc = progress(xminbound, xmaxbound, realx);
float dist1 = lerp(p0.w, p2.w, ypercleft);
float dist2 = lerp(p1.w, p2.w, ypercright);
float realdist = lerp(dist1, dist2, xperc);
/*
if (realz < 1f) {
continue;
}
*/
if (this.owner[x, y] != null && zbuf[x, y] < realdist) {
continue;
}
zbuf[x, y] = realdist;
this.owner[x, y] = owner;
}
}
}
private void bottri(object owner, vec4 p0, vec4 p1, vec4 p2) {
if (p2.x < p1.x) {
vec4 _ = p2;
p2 = p1;
p1 = _;
}
if (p0.y - p2.y == 0) {
return;
}
/*
0
/\
1 2
*/
float minx = min(p0.x, p1.x);
float miny = p0.y;
float maxx = max(p0.x, p2.x);
float maxy = p2.y;
int p_minx = -hpixeloffset + (int) minx / pixelsize;
int p_miny = -vpixeloffset + (int) miny / pixelsize;
int p_maxx = -hpixeloffset + (int) maxx / pixelsize + 1;
int p_maxy = -vpixeloffset + (int) maxy / pixelsize + 1;
p_miny = max(0, min(p_miny, vpixels - 1));
p_minx = max(0, min(p_minx, hpixels - 1));
p_maxy = max(0, min(p_maxy, vpixels));
p_maxx = max(0, min(p_maxx, hpixels));
for (int y = p_miny; y < p_maxy; y++) {
float realy = this.y + y * pixelsize + pixelsize / 2f;
for (int x = p_minx; x < p_maxx; x++) {
float realx = this.x + x * pixelsize + pixelsize / 2f;
if (realy <= p0.y) {
continue;
}
if (realy >= p2.y) {
continue;
}
float ypercleft = progress(p0.y, p1.y, realy);
float xminbound = lerp(p0.x, p1.x, ypercleft);
float ypercright = progress(p0.y, p2.y, realy);
float xmaxbound = lerp(p0.x, p2.x, ypercright);
if (realx < xminbound) {
continue;
}
if (realx >= xmaxbound) {
continue;
}
float xperc = progress(xminbound, xmaxbound, realx);
float dist1 = lerp(p0.w, p1.w, ypercleft);
float dist2 = lerp(p0.w, p2.w, ypercright);
float realdist = lerp(dist1, dist2, xperc);
/*
if (realz < 1f) {
continue;
}
*/
if (this.owner[x, y] != null && zbuf[x, y] < realdist) {
continue;
}
zbuf[x, y] = realdist;
this.owner[x, y] = owner;
}
}
}
// yes duplicate code, fuck all, I just want to be done with this.
public void tri_(object owner, vec6[] points)
{
if (points[0].z < 1 || points[1].z < 1 || points[2].z < 1) {
return;
}
Array.Sort(points, sorter6.instance);
if (points[0].y == points[1].y) {
toptri_(owner, points[0], points[1], points[2]);
return;
}
if (points[1].y == points[2].y) {
bottri_(owner, points[0], points[1], points[2]);
return;
}
float perc = progress(points[0].y, points[2].y, points[1].y);
// lerp of z & uv need to be corrected (perspective correction thingies)
float actualz = 1f / lerp(1f / points[0].w, 1f / points[2].w, perc);
vec2 uv = lerp(points[0].uv / points[0].w, points[2].uv / points[2].w, perc) * actualz;
vec6 phantom = v6(v4(lerp(points[0].xyz, points[2].xyz, perc), actualz), uv);
bottri_(owner, points[0], phantom, points[1]);
toptri_(owner, phantom, points[1], points[2]);
}
private void toptri_(object owner, vec6 p0, vec6 p1, vec6 p2)
{
if (p1.x < p0.x) {
vec6 _ = p1;
p1 = p0;
p0 = _;
}
if (p0.y - p2.y == 0) {
return;
}
/*
0 1
\/
2
*/
float minx = min(p0.x, p2.x);
float miny = p0.y;
float maxx = max(p1.x, p2.x);
float maxy = p2.y;
int p_minx = -hpixeloffset + (int)minx / pixelsize;
int p_miny = -vpixeloffset + (int)miny / pixelsize;
int p_maxx = -hpixeloffset + (int)maxx / pixelsize + 1;
int p_maxy = -vpixeloffset + (int)maxy / pixelsize + 1;
p_miny = max(0, min(p_miny, vpixels - 1));
p_minx = max(0, min(p_minx, hpixels - 1));
p_maxy = max(0, min(p_maxy, vpixels));
p_maxx = max(0, min(p_maxx, hpixels));
for (int y = p_miny; y < p_maxy; y++) {
float realy = this.y + y * pixelsize + pixelsize / 2f;
for (int x = p_minx; x < p_maxx; x++) {
float realx = this.x + x * pixelsize + pixelsize / 2f;
if (realy < p0.y) {
continue;
}
if (realy >= p2.y) {
continue;
}
float ypercleft = progress(p0.y, p2.y, realy);
float xminbound = lerp(p0.x, p2.x, ypercleft);
float ypercright = progress(p1.y, p2.y, realy);
float xmaxbound = lerp(p1.x, p2.x, ypercright);
if (realx < xminbound) {
continue;
}
if (realx >= xmaxbound) {
continue;
}
float xperc = progress(xminbound, xmaxbound, realx);
float zleft = 1f / lerp(1f / p0.w, 1f / p2.w, ypercleft);
float zright = 1f / lerp(1f / p1.w, 1f / p2.w, ypercright);
float zreal = 1f / lerp(1f / zleft, 1f / zright, xperc);
/*
if (realz < 1f) {
continue;
}
*/
if (this.owner[x, y] != null && zbuf[x, y] < zreal) {
continue;
}
vec2 uvleft = lerp(p0.uv / p0.w, p2.uv / p2.w, ypercleft) /** zleft*/;
vec2 uvright = lerp(p1.uv / p1.w, p2.uv / p2.w, ypercright) /** zright*/;
vec2 uvreal = lerp(uvleft /*/ zleft*/, uvright /*/ zright*/, xperc) * zreal;
uv[x, y] = uvreal;
zbuf[x, y] = zreal;
this.owner[x, y] = owner;
}
}
}
private void bottri_(object owner, vec6 p0, vec6 p1, vec6 p2)
{
if (p2.x < p1.x) {
vec6 _ = p2;
p2 = p1;
p1 = _;
}
if (p0.y - p2.y == 0) {
return;
}
/*
0
/\
1 2
*/
float minx = min(p0.x, p1.x);
float miny = p0.y;
float maxx = max(p0.x, p2.x);
float maxy = p2.y;
int p_minx = -hpixeloffset + (int)minx / pixelsize;
int p_miny = -vpixeloffset + (int)miny / pixelsize;
int p_maxx = -hpixeloffset + (int)maxx / pixelsize + 1;
int p_maxy = -vpixeloffset + (int)maxy / pixelsize + 1;
p_miny = max(0, min(p_miny, vpixels - 1));
p_minx = max(0, min(p_minx, hpixels - 1));
p_maxy = max(0, min(p_maxy, vpixels));
p_maxx = max(0, min(p_maxx, hpixels));
for (int y = p_miny; y < p_maxy; y++) {
float realy = this.y + y * pixelsize + pixelsize / 2f;
for (int x = p_minx; x < p_maxx; x++) {
float realx = this.x + x * pixelsize + pixelsize / 2f;
if (realy <= p0.y) {
continue;
}
if (realy >= p2.y) {
continue;
}
float ypercleft = progress(p0.y, p1.y, realy);
float xminbound = lerp(p0.x, p1.x, ypercleft);
float ypercright = progress(p0.y, p2.y, realy);
float xmaxbound = lerp(p0.x, p2.x, ypercright);
if (realx < xminbound) {
continue;
}
if (realx >= xmaxbound) {
continue;
}
float xperc = progress(xminbound, xmaxbound, realx);
float zleft = 1f / lerp(1f / p0.w, 1f / p1.w, ypercleft);
float zright = 1f / lerp(1f / p0.w, 1f / p2.w, ypercright);
float zreal = 1f / lerp(1f / zleft, 1f / zright, xperc);
/*
if (realz < 1f) {
continue;
}
*/
if (this.owner[x, y] != null && zbuf[x, y] < zreal) {
continue;
}
vec2 uvleft = lerp(p0.uv / p0.w, p1.uv / p1.w, ypercleft) /** zleft*/;
vec2 uvright = lerp(p0.uv / p0.w, p2.uv / p2.w, ypercright) /** zright*/;
vec2 uvreal = lerp(uvleft /*/ zleft*/, uvright /*/ zright*/, xperc) * zreal;
uv[x, y] = uvreal;
zbuf[x, y] = zreal;
this.owner[x, y] = owner;
}
}
}
}
class sorter : IComparer<vec4>
{
public static sorter instance = new sorter();
public int Compare(vec4 a, vec4 b)
{
return a.y.CompareTo(b.y);
}
}
class sorter6 : IComparer<vec6> {
public static sorter6 instance = new sorter6();
public int Compare(vec6 a, vec6 b) {
return a.y.CompareTo(b.y);
}
}
}
}