mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-12-25 01:20:37 +00:00
342 lines
8.8 KiB
C++
342 lines
8.8 KiB
C++
// Hyperbolic Rogue -- screenshots in SVG and PNG formats
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// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
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namespace hr {
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#if ISMOBILE==1
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namespace svg {
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bool in = false;
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}
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#endif
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#if ISMOBILE==0
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// svg renderer
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namespace svg {
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FILE *f;
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bool in = false;
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ld cta(int col) {
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// col >>= 24;
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col &= 0xFF;
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return col / 255.0;
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}
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bool invisible(int col) { return (col & 0xFF) == 0; }
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ld gamma = .5;
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void fixgamma(unsigned int& color) {
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unsigned char *c = (unsigned char*) (&color);
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for(int i=1; i<4; i++) c[i] = 255 * pow(float(c[i] / 255.0), float(gamma));
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}
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int svgsize;
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int divby = 10;
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const char* coord(int val) {
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static char buf[10][20];
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static int id;
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id++; id %= 10;
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if(divby == 1) {
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sprintf(buf[id], "%d", val); return buf[id];
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}
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else if(divby <= 10) {
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sprintf(buf[id], "%.1f", val*1./divby); return buf[id];
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}
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else {
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sprintf(buf[id], "%.2f", val*1./divby); return buf[id];
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}
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}
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char* stylestr(unsigned int fill, unsigned int stroke, ld width=1) {
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fixgamma(fill);
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fixgamma(stroke);
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static char buf[600];
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// printf("fill = %08X stroke = %08x\n", fill, stroke);
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if(stroke == 0xFF00FF) {
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stroke = 0x000000FF;
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if(fill == 0x332a22ff) fill = 0x000000FF;
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else if(fill == 0x686868FF) fill = 0x000000FF;
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else if(fill == 0xd0d0d0FF) fill = 0x000000FF;
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else fill = 0xFFFFFFFF;
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}
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sprintf(buf, "style=\"stroke:#%06x;stroke-opacity:%.3" PLDF ";stroke-width:%" PLDF "px;fill:#%06x;fill-opacity:%.3" PLDF "\"",
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(stroke>>8) & 0xFFFFFF, cta(stroke),
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width/divby,
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(fill>>8) & 0xFFFFFF, cta(fill)
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);
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return buf;
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}
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void circle(int x, int y, int size, int col) {
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int ba = (backcolor << 8) + 0xFF;
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if(!invisible(col)) {
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if(vid.stretch == 1)
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fprintf(f, "<circle cx='%s' cy='%s' r='%s' %s/>\n",
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coord(x), coord(y), coord(size), stylestr(ba, col));
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else
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fprintf(f, "<ellipse cx='%s' cy='%s' rx='%s' ry='%s' %s/>\n",
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coord(x), coord(y), coord(size), coord(size*vid.stretch), stylestr(ba, col));
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}
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}
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const string *link;
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void startstring() {
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if(link) fprintf(f, "<a xlink:href=\"%s\" xlink:show=\"replace\">", link->c_str());
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}
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void stopstring() {
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if(link) fprintf(f, "</a>");
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}
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string font = "Times";
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void text(int x, int y, int size, const string& str, bool frame, int col, int align) {
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double dfc = (x - vid.xcenter) * (x - vid.xcenter) +
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(y - vid.ycenter) * (y - vid.ycenter);
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dfc /= vid.radius;
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dfc /= vid.radius;
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// 0 = center, 1 = edge
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dfc = 1 - dfc;
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col = 0xFF + (col << 8);
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bool uselatex = font == "latex";
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if(!invisible(col)) {
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startstring();
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string str2 = "";
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for(int i=0; i<(int) str.size(); i++)
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if(str[i] == '&')
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str2 += "&";
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else if(str[i] == '<')
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str2 += "<";
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else if(str[i] == '>')
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str2 += ">";
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else if(uselatex && str[i] == '#')
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str2 += "\\#";
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else str2 += str[i];
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if(uselatex) str2 = string("\\myfont{")+coord(size)+"}{" + str2 + "}";
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fprintf(f, "<text x='%s' y='%s' text-anchor='%s' ",
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coord(x), coord(y+size*.4),
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align == 8 ? "middle" :
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align < 8 ? "start" :
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"end");
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if(!uselatex)
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fprintf(f, "font-family='%s' font-size='%s' ", font.c_str(), coord(size));
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fprintf(f, "%s>%s</text>",
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stylestr(col, frame ? 0x0000000FF : 0, (1<<get_sightrange())*dfc/40), str2.c_str());
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stopstring();
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fprintf(f, "\n");
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}
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}
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void polygon(int *polyx, int *polyy, int polyi, int col, int outline, double linewidth) {
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if(invisible(col) && invisible(outline)) return;
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if(polyi < 2) return;
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double dfc;
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if(!pmodel && hyperbolic) {
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int avgx = 0, avgy = 0;
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for(int i=0; i<polyi; i++)
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avgx += polyx[i],
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avgy += polyy[i];
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avgx /= polyi;
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avgy /= polyi;
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dfc = pow(avgx - vid.xcenter, 2) +
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pow((avgy - vid.ycenter) / vid.stretch, 2);
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dfc /= vid.radius;
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dfc /= vid.radius;
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// 0 = center, 1 = edge
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dfc = 1 - dfc;
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if(dfc < 0) dfc = 1;
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dfc = max<double>(dfc, 1) * linewidth;
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}
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else dfc = .8 * linewidth;
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startstring();
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for(int i=0; i<polyi; i++) {
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if(i == 0)
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fprintf(f, "<path d=\"M ");
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else
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fprintf(f, " L ");
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fprintf(f, "%s %s", coord(polyx[i]), coord(polyy[i]));
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}
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fprintf(f, "\" %s/>", stylestr(col, outline, (hyperbolic ? vid.radius : vid.scrsize) *dfc/256));
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stopstring();
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fprintf(f, "\n");
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}
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void render(const char *fname, const function<void()>& what) {
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dynamicval<videopar> v(vid, vid);
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dynamicval<bool> v2(in, true);
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dynamicval<int> v5(ringcolor, 0x808080FF);
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vid.usingGL = false;
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vid.xres = vid.yres = svgsize ? svgsize : min(1 << (get_sightrange()+7), 16384);
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calcparam();
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dynamicval<bool> v6(inHighQual, true);
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darken = 0;
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time_t timer;
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timer = time(NULL);
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char buf[128]; strftime(buf, 128, "svgshot-%y%m%d-%H%M%S.svg", localtime(&timer));
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if(!fname) fname = buf;
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f = fopen(fname, "wt");
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fprintf(f, "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"%s\" height=\"%s\">\n", coord(vid.xres), coord(vid.yres));
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what();
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fprintf(f, "</svg>\n");
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fclose(f);
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addMessage(XLAT("Saved the SVG shot to %1 (sightrange %2)", fname, its(get_sightrange())));
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}
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#if CAP_COMMANDLINE
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int read_args() {
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using namespace arg;
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if(argis("-svgsize")) {
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shift(); sscanf(argcs(), "%d/%d", &svg::svgsize, &svg::divby);
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}
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else if(argis("-svgfont")) {
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shift(); svg::font = args();
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// note: use '-svgfont latex' to produce text output as: \myfont{size}{text}
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// (this is helpful with Inkscape's PDF+TeX output feature; define \myfont yourself)
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}
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else if(argis("-svggamma")) {
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shift(); svg::gamma = argf();
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}
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else if(argis("-svgshot")) {
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PHASE(3); shift(); start_game();
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printf("saving SVG screenshot to %s\n", argcs());
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svg::render(argcs());
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}
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else return 1;
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return 0;
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}
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auto ah = addHook(hooks_args, 0, read_args);
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#endif
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}
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#endif
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#if CAP_SDL
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int pngres = 2000;
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int pngformat = 0;
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#if CAP_PNG
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void IMAGESAVE(SDL_Surface *s, const char *fname) {
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SDL_Surface *s2 = SDL_PNGFormatAlpha(s);
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SDL_SavePNG(s2, fname);
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SDL_FreeSurface(s2);
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}
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#endif
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hookset<void(renderbuffer*)> *hooks_hqshot;
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void saveHighQualityShot(const char *fname, const char *caption, int fade) {
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resetbuffer rb;
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// int maxrange = getDistLimit() * 3/2;
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// dynamicval<int> v3(sightrange, (cheater && sightrange < maxrange) ? maxrange : sightrange);
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if(cheater) doOvergenerate();
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time_t timer;
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timer = time(NULL);
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dynamicval<videopar> v(vid, vid);
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dynamicval<bool> v2(inHighQual, true);
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dynamicval<bool> v6(auraNOGL, fname ? true : false);
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vid.xres = vid.yres = pngres;
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if(pngformat == 1) vid.xres = vid.yres * 4/3;
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if(pngformat == 2) vid.xres = vid.yres * 16/9;
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if(pngformat == 3) {
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vid.xres = vid.yres * 22/16;
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while(vid.xres & 15) vid.xres++;
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}
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// if(vid.pmodel == 0) vid.scale = 0.99;
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calcparam();
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renderbuffer glbuf(vid.xres, vid.yres, vid.usingGL);
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glbuf.enable();
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stereo::set_viewport(0);
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// printf("format = %d, %d x %d\n", pngformat, vid.xres, vid.yres);
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darken = 0;
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int numi = (fname?1:2);
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for(int i=0; i<numi; i++) {
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glbuf.clear(numi==1 ? backcolor : i ? 0xFFFFFF : 0);
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#if CAP_RUG
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if(rug::rugged)
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rug::drawRugScene();
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else
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#endif
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drawfullmap();
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drawStats();
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callhooks(hooks_hqshot, &glbuf);
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if(fade < 255)
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for(int y=0; y<vid.yres; y++)
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for(int x=0; x<vid.xres; x++) {
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int& p = qpixel(s, x, y);
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for(int i=0; i<3; i++) {
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part(p,i) = (part(p,i) * fade + 127) / 255;
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}
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}
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if(caption)
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displayfr(vid.xres/2, vid.fsize+vid.fsize/4, 3, vid.fsize*2, caption, forecolor, 8);
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char buf[128]; strftime(buf, 128, "bigshota-%y%m%d-%H%M%S" IMAGEEXT, localtime(&timer));
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buf[7] += i;
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if(!fname) fname = buf;
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IMAGESAVE(glbuf.render(), fname);
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if(i == 0) addMessage(XLAT("Saved the high quality shot to %1", fname));
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}
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rb.reset();
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}
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#if CAP_COMMANDLINE
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int png_read_args() {
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using namespace arg;
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if(argis("-pngshot")) {
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PHASE(3); shift(); start_game();
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printf("saving PNG screenshot to %s\n", argcs());
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saveHighQualityShot(argcs());
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}
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else if(argis("-pngsize")) {
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shift(); pngres = argi();
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}
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else if(argis("-pngformat")) {
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shift(); pngformat = argi();
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}
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else return 1;
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return 0;
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}
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auto ah_png = addHook(hooks_args, 0, png_read_args);
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#endif
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#endif
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}
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