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hyperrogue/basegraph.cpp

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// Hyperbolic Rogue -- basic graphics
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
namespace hr {
unsigned backcolor = 0;
unsigned bordcolor = 0;
unsigned forecolor = 0xFFFFFF;
int utfsize(char c) {
unsigned char cu = c;
if(cu < 128) return 1;
if(cu < 224) return 2;
if(cu < 0xF0) return 3;
return 4;
}
int get_sightrange() { return getDistLimit() + sightrange_bonus; }
int get_sightrange_ambush() { return max(get_sightrange(), ambush_distance); }
namespace stereo {
eStereo mode;
ld ipd;
ld lr_eyewidth, anaglyph_eyewidth;
ld fov, tanfov;
GLfloat scrdist, scrdist_text;
}
bool stereo::in_anaglyph() { return stereo::mode == stereo::sAnaglyph; }
bool stereo::active() { return stereo::mode != sOFF; }
ld stereo::eyewidth() {
switch(stereo::mode) {
case stereo::sAnaglyph:
return stereo::anaglyph_eyewidth;
case stereo::sLR:
return stereo::lr_eyewidth;
default:
return 0;
}
}
bool eqs(const char* x, const char* y) {
return *y? *x==*y?eqs(x+1,y+1):false:true;
}
int getnext(const char* s, int& i) {
int siz = utfsize(s[i]);
// if(fontdeb) printf("s=%s i=%d siz=%d\n", s, i, siz);
if(siz == 1) return s[i++];
for(int k=0; k<NUMEXTRA; k++)
if(eqs(s+i, natchars[k])) {
i += siz; return 128+k;
}
printf("Unknown character in: '%s' at position %d\n", s, i);
i ++; return '?';
}
#if CAP_SDLTTF
TTF_Font *font[256];
#endif
#if CAP_SDL
SDL_Surface *s, *s_screen;
int qpixel_pixel_outside;
int& qpixel(SDL_Surface *surf, int x, int y) {
if(x<0 || y<0 || x >= surf->w || y >= surf->h) return qpixel_pixel_outside;
char *p = (char*) surf->pixels;
p += y * surf->pitch;
int *pi = (int*) (p);
return pi[x];
}
int qpixel3(SDL_Surface *surf, int x, int y) {
if(x<0 || y<0 || x >= surf->w || y >= surf->h) return qpixel_pixel_outside;
char *p = (char*) surf->pixels;
p += y * surf->pitch;
p += x;
int *pi = (int*) (p);
return pi[0];
}
#endif
#if CAP_SDLTTF
string fontpath = ISWEB ? "sans-serif" : HYPERPATH "DejaVuSans-Bold.ttf";
void loadfont(int siz) {
if(!font[siz]) {
font[siz] = TTF_OpenFont(fontpath.c_str(), siz);
// Destination set by ./configure (in the GitHub repository)
#ifdef FONTDESTDIR
if (font[siz] == NULL) {
font[siz] = TTF_OpenFont(FONTDESTDIR, siz);
}
#endif
if (font[siz] == NULL) {
printf("error: Font file not found: %s\n", fontpath.c_str());
exit(1);
}
}
}
#endif
#if !ISFAKEMOBILE && !ISANDROID & !ISIOS
int textwidth(int siz, const string &str) {
if(isize(str) == 0) return 0;
#if CAP_SDLTTF
loadfont(siz);
int w, h;
TTF_SizeUTF8(font[siz], str.c_str(), &w, &h);
// printf("width = %d [%d]\n", w, isize(str));
return w;
#elif CAP_GL
return gl_width(siz, str.c_str());
#else
return 0;
#endif
}
#endif
#if ISIOS
int textwidth(int siz, const string &str) {
return mainfont->getSize(str, siz / 36.0).width;
}
#endif
int darkenedby(int c, int lev) {
for(int i=0; i<lev; i++)
c = ((c & 0xFEFEFE) >> 1);
return c;
}
bool fading = false;
ld fadeout = 1;
int darkened(int c) {
if(inmirrorcount&1)
c = gradient(c, winf[waMirror].color, 0, 0.5, 1);
else if(inmirrorcount)
c = gradient(c, winf[waCloud].color, 0, 0.5, 1);
if(fading) c = gradient(backcolor, c, 0, fadeout, 1);
for(int i=0; i<darken; i++)
c = ((c & 0xFEFEFE) >> 1) + ((backcolor & 0xFEFEFE) >> 1);
return c;
}
int darkena(int c, int lev, int a) {
return (darkenedby(c, lev) << 8) + a;
}
#if !CAP_GL
void setcameraangle(bool b) { }
#else
bool cameraangle_on;
void setcameraangle(bool b) {
if(cameraangle_on != b) {
cameraangle_on = b;
ld cam = vid.camera_angle * M_PI / 180;
GLfloat cc = cos(cam);
GLfloat ss = sin(cam * (b?1:-1));
GLfloat yzspin[16] = {
1, 0, 0, 0,
0, cc, ss, 0,
0, -ss, cc, 0,
0, 0, 0, 1
};
glhr::projection_multiply(glhr::as_glmatrix(yzspin));
}
}
bool using_perspective;
void start_projection(int ed, bool perspective) {
glhr::new_projection();
using_perspective = perspective;
if(ed && stereo::mode == stereo::sLR) {
glhr::projection_multiply(glhr::translate(ed, 0, 0));
glhr::projection_multiply(glhr::scale(2, 1, 1));
}
glhr::projection_multiply(glhr::translate((vid.xcenter*2.)/vid.xres - 1, 1 - (vid.ycenter*2.)/vid.yres, 0));
}
void eyewidth_translate(int ed) {
if(ed) glhr::projection_multiply(glhr::translate(-ed * stereo::eyewidth(), 0, 0));
}
void stereo::set_projection(int ed) {
DEBB(DF_GRAPH, (debugfile,"stereo::set_projection\n"));
start_projection(ed, pmodel == mdDisk && !spherespecial);
if(!using_perspective) {
glhr::projection_multiply(glhr::ortho(vid.xres/2, -vid.yres/2, abs(stereo::scrdist) + 30000));
if(ed) {
glhr::glmatrix m = glhr::id;
m[2][0] -= ed;
glhr::projection_multiply(m);
}
glhr::id_modelview();
}
else {
if(hyperbolic && vid.alpha > -1) {
// Because of the transformation from H3 to the Minkowski hyperboloid,
// points with negative Z can be generated in some 3D settings.
// This happens for points below the camera, but above the plane.
// These points should still be viewed, though, so we disable the
// depth clipping
glhr::projection_multiply(glhr::scale(1,1,0));
}
eyewidth_translate(ed);
glhr::projection_multiply(glhr::frustum(vid.xres * 1. / vid.yres, 1));
GLfloat sc = vid.radius / (vid.yres/2.);
glhr::projection_multiply(glhr::scale(sc, -sc, -1));
if(ed) glhr::projection_multiply(glhr::translate(stereo::ipd * ed/2, 0, 0));
stereo::scrdist_text = vid.yres * sc / 2;
}
cameraangle_on = false;
}
void stereo::set_mask(int ed) {
if(ed == 0 || stereo::mode != stereo::sAnaglyph) {
glColorMask( GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE );
}
else if(ed == 1) {
glColorMask( GL_TRUE,GL_FALSE,GL_FALSE,GL_TRUE );
}
else if(ed == -1) {
glColorMask( GL_FALSE,GL_TRUE,GL_TRUE,GL_TRUE );
}
}
void stereo::set_viewport(int ed) {
if(ed == 0 || stereo::mode != stereo::sLR)
glViewport(0, 0, vid.xres, vid.yres);
else if(ed == 1)
glViewport(0, 0, vid.xres/2, vid.yres);
else if(ed == -1)
glViewport(vid.xres/2, 0, vid.xres/2, vid.yres);
}
bool model_needs_depth() {
return pmodel == mdBall || pmodel == mdHyperboloid || pmodel == mdHemisphere;
}
void setGLProjection(int col) {
DEBB(DF_GRAPH, (debugfile,"setGLProjection\n"));
GLERR("pre_setGLProjection");
unsigned char *c = (unsigned char*) (&col);
glClearColor(c[2] / 255.0, c[1] / 255.0, c[0]/255.0, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
GLERR("setGLProjection #1");
glEnable(GL_BLEND);
#ifndef GLES_ONLY
if(vid.antialias & AA_LINES) {
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
}
else glDisable(GL_LINE_SMOOTH);
#endif
glLineWidth(vid.linewidth);
GLERR("setGLProjection #2");
#ifndef GLES_ONLY
if(vid.antialias & AA_POLY) {
glEnable(GL_POLYGON_SMOOTH);
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
}
else glDisable(GL_POLYGON_SMOOTH);
#endif
GLERR("setGLProjection #3");
//glLineWidth(1.0f);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if(model_needs_depth()) {
#ifdef GL_ES
glClearDepthf(1.0f);
#else
glClearDepth(1.0f);
#endif
glDepthFunc(GL_LEQUAL);
glhr::set_depthtest(true);
}
else
glhr::set_depthtest(false);
GLERR("setGLProjection");
stereo::set_projection(0);
GLERR("after set_projection");
}
inline int next_p2 (int a )
{
int rval=1;
// rval<<=1 Is A Prettier Way Of Writing rval*=2;
while(rval<a) rval<<=1;
return rval;
}
#if CAP_GLFONT
struct glfont_t {
GLuint * textures; // Holds The Texture Id's
//GLuint list_base; // Holds The First Display List ID
int widths[128+NUMEXTRA];
int heights[128+NUMEXTRA];
float tx[128+NUMEXTRA];
float ty[128+NUMEXTRA];
};
glfont_t *glfont[256];
void sdltogl(SDL_Surface *txt, glfont_t& f, int ch) {
#if CAP_TABFONT
int otwidth, otheight, tpix[3000], tpixindex = 0;
loadCompressedChar(otwidth, otheight, tpix);
#else
int otwidth = txt->w;
int otheight = txt->h;
#endif
int twidth = next_p2( otwidth );
int theight = next_p2( otheight );
#if CAP_TABFONT
std::vector<int> expanded_data(twidth * theight);
#else
std::vector<Uint16> expanded_data(twidth * theight);
#endif
for(int j=0; j <theight;j++) for(int i=0; i < twidth; i++) {
#if CAP_TABFONT
expanded_data[(i+j*twidth)] = (i>=otwidth || j>=otheight) ? 0 : tpix[tpixindex++];
#else
expanded_data[(i+j*twidth)] =
((i>=txt->w || j>=txt->h) ? 0 : ((qpixel(txt, i, j)>>24)&0xFF) * 0x100) | 0x00FF;
#endif
}
f.widths[ch] = otwidth;
f.heights[ch] = otheight;
glBindTexture( GL_TEXTURE_2D, f.textures[ch]);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, twidth, theight, 0,
#if CAP_TABFONT
GL_RGBA, GL_UNSIGNED_BYTE,
#else
GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE,
#endif
expanded_data.data() );
float x=(float)otwidth / (float)twidth;
float y=(float)otheight / (float)theight;
f.tx[ch] = x;
f.ty[ch] = y;
}
void init_glfont(int size) {
if(glfont[size]) return;
DEBB(DF_INIT, (debugfile,"init GL font: %d\n", size));
#if !CAP_TABFONT
loadfont(size);
if(!font[size]) return;
#endif
glfont[size] = new glfont_t;
glfont_t& f(*(glfont[size]));
f.textures = new GLuint[128+NUMEXTRA];
//f.list_base = glGenLists(128);
glGenTextures( 128+NUMEXTRA, f.textures );
if(0) for(int i=0; i<128+NUMEXTRA; i++)
printf("texture %d = %d\n", i, f.textures[i]);
#if !CAP_TABFONT
char str[2]; str[1] = 0;
SDL_Color white;
white.r = white.g = white.b = 255;
#endif
// glListBase(0);
#if CAP_TABFONT
resetTabFont();
#endif
for(int ch=1;ch<128+NUMEXTRA;ch++) {
if(ch<32) continue;
#if CAP_TABFONT
sdltogl(NULL, f, ch);
#else
SDL_Surface *txt;
if(ch < 128) {
str[0] = ch;
txt = TTF_RenderText_Blended(font[size], str, white);
}
else {
txt = TTF_RenderUTF8_Blended(font[size], natchars[ch-128], white);
}
if(txt == NULL) continue;
#if CAP_CREATEFONT
generateFont(ch, txt);
#endif
sdltogl(txt, f, ch);
SDL_FreeSurface(txt);
#endif
}
#if CAP_CREATEFONT
printf("#define NUMEXTRA %d\n", NUMEXTRA);
#define DEMACRO(x) #x
printf("#define NATCHARS " DEMACRO(NATCHARS) "\n");
#endif
//printf("init size=%d ok\n", size);
GLERR("initfont");
}
int gl_width(int size, const char *s) {
int gsiz = size;
if(size > vid.fsize || size > 72) gsiz = 72;
#if CAP_FIXEDSIZE
gsiz = CAP_FIXEDSIZE;
#endif
init_glfont(gsiz);
if(!glfont[gsiz]) return 0;
glfont_t& f(*glfont[gsiz]);
int x = 0;
for(int i=0; s[i];) {
int tabid = getnext(s,i);
x += f.widths[tabid] * size/gsiz;
}
return x;
}
namespace glhr { void texture_vertices(GLfloat *f, int qty, int stride = 2) {
#if CAP_SHADER
glVertexAttribPointer(aTexture, stride, GL_FLOAT, GL_FALSE, stride * sizeof(GLfloat), f);
#else
glTexCoordPointer(stride, GL_FLOAT, 0, f);
#endif
}
void oldvertices(GLfloat *f, int qty) {
#if CAP_SHADER
glVertexAttribPointer(aPosition, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), f);
#else
glVertexPointer(3, GL_FLOAT, 0, f);
#endif
// #endif
}
}
GLfloat otver[24];
vector<glhr::textured_vertex> tver(4);
bool gl_print(int x, int y, int shift, int size, const char *s, int color, int align) {
int gsiz = size;
if(size > vid.fsize || size > 72) gsiz = 72;
#if CAP_FIXEDSIZE
gsiz = CAP_FIXEDSIZE;
#endif
init_glfont(gsiz);
if(!glfont[gsiz]) return false;
glfont_t& f(*glfont[gsiz]);
glhr::be_textured();
glhr::color2((color << 8) | 0xFF);
int tsize = 0;
for(int i=0; s[i];) {
tsize += f.widths[getnext(s,i)] * size/gsiz;
}
x -= tsize * align / 16;
y += f.heights[32] * size / (gsiz*2);
int ysiz = f.heights[32] * size / gsiz;
bool clicked = (mousex >= x && mousey <= y && mousex <= x+tsize && mousey >= y-ysiz);
glhr::set_depthtest(false);
for(int i=0; s[i];) {
int tabid = getnext(s,i);
float fx=f.tx[tabid];
float fy=f.ty[tabid];
int wi = f.widths[tabid] * size/gsiz;
int hi = f.heights[tabid] * size/gsiz;
GLERR("pre-print");
for(int ed = (stereo::active() && shift)?-1:0; ed<2; ed+=2) {
glhr::set_modelview(glhr::translate(x-ed*shift-vid.xcenter,y-vid.ycenter, stereo::scrdist_text));
stereo::set_mask(ed);
glBindTexture(GL_TEXTURE_2D, f.textures[tabid]);
tver[0].coords[1] = -hi;
tver[3].coords[1] = -hi;
tver[2].coords[0] = wi;
tver[3].coords[0] = wi;
tver[1].texture[1] = fy;
tver[2].texture[1] = fy;
tver[2].texture[0] = fx;
tver[3].texture[0] = fx;
glhr::prepare(tver);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
if(stereo::active() && shift) stereo::set_mask(0);
GLERR("print");
x += wi;
}
return clicked;
}
#endif
purehookset hooks_resetGL;
void resetGL() {
DEBB(DF_INIT, (debugfile,"reset GL\n"));
callhooks(hooks_resetGL);
#if CAP_GLFONT
for(int i=0; i<128; i++) if(glfont[i]) {
delete glfont[i];
glfont[i] = NULL;
}
#endif
buildpolys();
}
#endif
#if CAP_XGD
vector<int> graphdata;
void gdpush(int t) {
graphdata.push_back(t);
}
bool displaychr(int x, int y, int shift, int size, char chr, int col) {
gdpush(2); gdpush(x); gdpush(y); gdpush(8);
gdpush(col); gdpush(size); gdpush(0);
gdpush(1); gdpush(chr);
return false;
}
void gdpush_utf8(const string& s) {
int g = (int) graphdata.size(), q = 0;
gdpush((int) s.size()); for(int i=0; i<isize(s); i++) {
#if ISANDROID
unsigned char uch = (unsigned char) s[i];
if(uch >= 192 && uch < 224) {
int u = ((s[i] - 192)&31) << 6;
i++;
u += (s[i] - 128) & 63;
gdpush(u); q++;
}
else
#endif
{
gdpush(s[i]); q++;
}
}
graphdata[g] = q;
}
bool displayfr(int x, int y, int b, int size, const string &s, int color, int align) {
gdpush(2); gdpush(x); gdpush(y); gdpush(align);
gdpush(color); gdpush(size); gdpush(b);
gdpush_utf8(s);
int mx = mousex - x;
int my = mousey - y;
int len = textwidth(size, s);
return
mx >= -len*align/32 && mx <= +len*(16-align)/32 &&
my >= -size*3/4 && my <= +size*3/4;
}
bool displaystr(int x, int y, int shift, int size, const string &s, int color, int align) {
return displayfr(x,y,0,size,s,color,align);
}
bool displaystr(int x, int y, int shift, int size, char const *s, int color, int align) {
return displayfr(x,y,0,size,s,color,align);
}
#else
bool displaystr(int x, int y, int shift, int size, const char *str, int color, int align) {
if(strlen(str) == 0) return false;
if(size < 4 || size > 255) {
return false;
}
#if CAP_GLFONT
if(vid.usingGL) return gl_print(x, y, shift, size, str, color, align);
#endif
#if !CAP_SDLTTF
static bool towarn = true;
if(towarn) towarn = false, printf("WARNING: NOTTF works only with OpenGL!\n");
return false;
#else
SDL_Color col;
col.r = (color >> 16) & 255;
col.g = (color >> 8 ) & 255;
col.b = (color >> 0 ) & 255;
col.r >>= darken; col.g >>= darken; col.b >>= darken;
loadfont(size);
SDL_Surface *txt = ((vid.antialias & AA_FONT)?TTF_RenderUTF8_Blended:TTF_RenderUTF8_Solid)(font[size], str, col);
if(txt == NULL) return false;
SDL_Rect rect;
rect.w = txt->w;
rect.h = txt->h;
rect.x = x - rect.w * align / 16;
rect.y = y - rect.h/2;
bool clicked = (mousex >= rect.x && mousey >= rect.y && mousex <= rect.x+rect.w && mousey <= rect.y+rect.h);
if(shift) {
SDL_Surface* txt2 = SDL_DisplayFormat(txt);
SDL_LockSurface(txt2);
SDL_LockSurface(s);
int c0 = qpixel(txt2, 0, 0);
for(int yy=0; yy<rect.h; yy++)
for(int xx=0; xx<rect.w; xx++) if(qpixel(txt2, xx, yy) != c0)
qpixel(s, rect.x+xx-shift, rect.y+yy) |= color & 0xFF0000,
qpixel(s, rect.x+xx+shift, rect.y+yy) |= color & 0x00FFFF;
SDL_UnlockSurface(s);
SDL_UnlockSurface(txt2);
SDL_FreeSurface(txt2);
}
else {
SDL_BlitSurface(txt, NULL, s,&rect);
}
SDL_FreeSurface(txt);
return clicked;
#endif
}
bool displaystr(int x, int y, int shift, int size, const string &s, int color, int align) {
return displaystr(x, y, shift, size, s.c_str(), color, align);
}
bool displayfrSP(int x, int y, int sh, int b, int size, const string &s, int color, int align, int p) {
if(b) {
displaystr(x-b, y, 0, size, s, p, align);
displaystr(x+b, y, 0, size, s, p, align);
displaystr(x, y-b, 0, size, s, p, align);
displaystr(x, y+b, 0, size, s, p, align);
}
if(b >= 2) {
int b1 = b-1;
displaystr(x-b1, y-b1, 0, size, s, p, align);
displaystr(x-b1, y+b1, 0, size, s, p, align);
displaystr(x+b1, y-b1, 0, size, s, p, align);
displaystr(x+b1, y+b1, 0, size, s, p, align);
}
return displaystr(x, y, 0, size, s, color, align);
}
bool displayfr(int x, int y, int b, int size, const string &s, int color, int align) {
return displayfrSP(x, y, 0, b, size, s, color, align, poly_outline>>8);
}
bool displaychr(int x, int y, int shift, int size, char chr, int col) {
char buf[2];
buf[0] = chr; buf[1] = 0;
return displaystr(x, y, shift, size, buf, col, 8);
}
#endif
bool displaynum(int x, int y, int shift, int size, int col, int val, string title) {
char buf[64];
sprintf(buf, "%d", val);
bool b1 = displayfr(x-8, y, 1, size, buf, col, 16);
bool b2 = displayfr(x, y, 1, size, title, col, 0);
if((b1 || b2) && gtouched) {
col ^= 0x00FFFF;
displayfr(x-8, y, 1, size, buf, col, 16);
displayfr(x, y, 1, size, title, col, 0);
}
return b1 || b2;
}
vector<msginfo> msgs;
vector<msginfo> gamelog;
void flashMessages() {
for(int i=0; i<isize(msgs); i++)
if(msgs[i].stamp < ticks - 1000 && !msgs[i].flashout) {
msgs[i].flashout = true;
msgs[i].stamp = ticks;
}
}
string fullmsg(msginfo& m) {
string s = m.msg;
if(m.quantity > 1) s += " (x" + its(m.quantity) + ")";
return s;
}
void addMessageToLog(msginfo& m, vector<msginfo>& log) {
if(isize(log) != 0) {
msginfo& last = log[isize(log)-1];
if(last.msg == m.msg) {
int q = m.quantity + last.quantity;
last = m; last.quantity = q;
return;
}
}
if(isize(log) < 1000)
log.push_back(m);
else {
for(int i=0; i<isize(log)-1; i++) swap(log[i], log[i+1]);
log[isize(log)-1] = m;
}
}
void clearMessages() { msgs.clear(); }
void addMessage(string s, char spamtype) {
DEBB(DF_MSG, (debugfile,"addMessage: %s\n", s.c_str()));
msginfo m;
m.msg = s; m.spamtype = spamtype; m.flashout = false; m.stamp = ticks;
m.rtstamp = time(NULL);
m.gtstamp = getgametime();
m.turnstamp = turncount;
m.quantity = 1;
addMessageToLog(m, gamelog);
addMessageToLog(m, msgs);
}
int colormix(int a, int b, int c) {
for(int p=0; p<3; p++)
part(a, p) = part(a,p) + (part(b,p) - part(a,p)) * part(c,p) / 255;
return a;
}
int rhypot(int a, int b) { return (int) sqrt(a*a - b*b); }
ld realradius() {
ld vradius = vid.radius;
if(sphere) {
if(sphereflipped())
vradius /= sqrt(vid.alpha*vid.alpha - 1);
else
vradius = 1e12; // use the following
}
if(euclid)
vradius = vid.radius * get_sightrange() / (1 + vid.alpha) / 2.5;
vradius = min<ld>(vradius, min(vid.xres, vid.yres) / 2);
return vradius;
}
void drawmessage(const string& s, int& y, int col) {
int rrad = (int) realradius();
int space;
if(y > vid.ycenter + rrad)
space = vid.xres;
else if(y > vid.ycenter)
space = vid.xcenter - rhypot(rrad, y-vid.ycenter);
else if(y > vid.ycenter - vid.fsize)
space = vid.xcenter - rrad;
else if(y > vid.ycenter - vid.fsize - rrad)
space = vid.xcenter - rhypot(rrad, vid.ycenter-vid.fsize-y);
else
space = vid.xres;
if(textwidth(vid.fsize, s) <= space) {
displayfr(0, y, 1, vid.fsize, s, col, 0);
y -= vid.fsize;
return;
}
for(int i=1; i<isize(s); i++)
if(s[i-1] == ' ' && textwidth(vid.fsize, "..."+s.substr(i)) <= space) {
displayfr(0, y, 1, vid.fsize, "..."+s.substr(i), col, 0);
y -= vid.fsize;
drawmessage(s.substr(0, i-1), y, col);
return;
}
// no chance
displayfr(0, y, 1, vid.fsize, s, col, 0);
y -= vid.fsize;
return;
}
void drawmessages() {
DEBB(DF_GRAPH, (debugfile,"draw messages\n"));
int i = 0;
int t = ticks;
for(int j=0; j<isize(msgs); j++) {
if(j < isize(msgs) - vid.msglimit) continue;
int age = msgs[j].flashout * (t - msgs[j].stamp);
if(msgs[j].spamtype) {
for(int i=j+1; i<isize(msgs); i++) if(msgs[i].spamtype == msgs[j].spamtype)
msgs[j].flashout = 2;
}
if(age < 256*vid.flashtime)
msgs[i++] = msgs[j];
}
msgs.resize(i);
if(vid.msgleft == 2) {
int y = vid.yres - vid.fsize - (ISIOS ? 4 : 0);
for(int j=isize(msgs)-1; j>=0; j--) {
int age = msgs[j].flashout * (t - msgs[j].stamp);
poly_outline = gradient(bordcolor, backcolor, 0, age, 256*vid.flashtime) << 8;
int col = gradient(forecolor, backcolor, 0, age, 256*vid.flashtime);
drawmessage(fullmsg(msgs[j]), y, col);
}
}
else {
for(int j=0; j<isize(msgs); j++) {
int age = msgs[j].flashout * (t - msgs[j].stamp);
int x = vid.msgleft ? 0 : vid.xres / 2;
int y = vid.yres - vid.fsize * (isize(msgs) - j) - (ISIOS ? 4 : 0);
poly_outline = gradient(bordcolor, backcolor, 0, age, 256*vid.flashtime) << 8;
displayfr(x, y, 1, vid.fsize, fullmsg(msgs[j]), gradient(forecolor, backcolor, 0, age, 256*vid.flashtime), vid.msgleft ? 0 : 8);
}
}
}
int gradient(int c0, int c1, ld v0, ld v, ld v1) {
int vv = int(256 * ((v-v0) / (v1-v0)));
int c = 0;
for(int a=0; a<3; a++) {
int p0 = (c0 >> (8*a)) & 255;
int p1 = (c1 >> (8*a)) & 255;
int p = (p0*(256-vv) + p1*vv + 127) >> 8;
c |= p << (8*a);
}
return c;
}
void drawCircle(int x, int y, int size, int color) {
if(size < 0) size = -size;
#if CAP_GL
if(vid.usingGL) {
glhr::be_nontextured();
glhr::id_modelview();
glcoords.clear();
glhr::color2(color);
x -= vid.xcenter; y -= vid.ycenter;
int pts = size * 4;
if(pts > 1500) pts = 1500;
if(ISMOBILE && pts > 72) pts = 72;
for(int r=0; r<pts; r++) {
float rr = (M_PI * 2 * r) / pts;
glcoords.push_back(make_array<GLfloat>(x + size * sin(rr), y + size * cos(rr), stereo::scrdist));
}
glhr::vertices(glcoords);
glhr::set_depthtest(false);
glDrawArrays(GL_LINE_LOOP, 0, pts);
return;
}
#endif
#if CAP_XGD
gdpush(4); gdpush(color); gdpush(x); gdpush(y); gdpush(size);
#elif CAP_SDLGFX
((vid.antialias && AA_NOGL)?aacircleColor:circleColor) (s, x, y, size, color);
#elif CAP_SDL
int pts = size * 4;
if(pts > 1500) pts = 1500;
for(int r=0; r<pts; r++)
qpixel(s, x + int(size * sin(r)), y + int(size * cos(r))) = color;
#endif
}
void displayButton(int x, int y, const string& name, int key, int align, int rad) {
if(displayfr(x, y, rad, vid.fsize, name, 0x808080, align)) {
displayfr(x, y, rad, vid.fsize, name, 0xFFFF00, align);
getcstat = key;
}
}
char mousekey = 'n';
char newmousekey;
void displaymm(char c, int x, int y, int rad, int size, const string& title, int align) {
if(displayfr(x, y, rad, size, title, c == mousekey ? 0xFF8000 : 0xC0C0C0, align)) {
displayfr(x, y, rad, size, title, 0xFFFF00, align);
getcstat = SETMOUSEKEY, newmousekey = c;
}
}
bool displayButtonS(int x, int y, const string& name, int col, int align, int size) {
if(displaystr(x, y, 0, size, name, col, align)) {
displaystr(x, y, 0, size, name, 0xFFFF00, align);
return true;
}
else return false;
}
void displayColorButton(int x, int y, const string& name, int key, int align, int rad, int color, int color2) {
if(displayfr(x, y, rad, vid.fsize, name, color, align)) {
if(color2) displayfr(x, y, rad, vid.fsize, name, color2, align);
getcstat = key;
}
}
ld textscale() {
return vid.fsize / (vid.radius * crossf) * (1+vid.alpha) * 2;
}
// bool notgl = false;
bool setfsize = true;
bool vsync_off;
void do_setfsize() {
vid.fsize = min(vid.yres * fontscale/ 3200, vid.xres * fontscale/ 4800), setfsize = false;
}
void disable_vsync() {
#if !ISMOBWEB
SDL_GL_SetAttribute( SDL_GL_SWAP_CONTROL, 0 );
#endif
}
#if CAP_SDL
void setvideomode() {
DEBB(DF_INIT, (debugfile,"setvideomode\n"));
if(!vid.full) {
if(vid.xres > vid.xscr) vid.xres = vid.xscr * 9/10, setfsize = true;
if(vid.yres > vid.yscr) vid.yres = vid.yscr * 9/10, setfsize = true;
}
if(setfsize) do_setfsize();
int flags = 0;
#if CAP_GL
if(vid.usingGL) {
flags = SDL_OPENGL | SDL_HWSURFACE | SDL_GL_DOUBLEBUFFER;
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
if(vsync_off) disable_vsync();
#if !ISWEB
if(vid.antialias & AA_MULTI) {
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, (vid.antialias & AA_MULTI16) ? 16 : 4);
}
#endif
}
#endif
int sizeflag = (vid.full ? SDL_FULLSCREEN : SDL_RESIZABLE);
s = s_screen = SDL_SetVideoMode(vid.xres, vid.yres, 32, flags | sizeflag);
if(vid.full && !s) {
vid.xres = vid.xscr;
vid.yres = vid.yscr;
do_setfsize();
s = s_screen = SDL_SetVideoMode(vid.xres, vid.yres, 32, flags | SDL_FULLSCREEN);
}
if(!s) {
addMessage("Failed to set the graphical mode: "+its(vid.xres)+"x"+its(vid.yres)+(vid.full ? " fullscreen" : " windowed"));
vid.xres = 640;
vid.yres = 480;
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
vid.antialias &= ~AA_MULTI;
s = s_screen = SDL_SetVideoMode(vid.xres, vid.yres, 32, flags | SDL_RESIZABLE);
}
#if CAP_GL
if(vid.usingGL) {
#if !ISWEB
if(vid.antialias & AA_MULTI)
glEnable(GL_MULTISAMPLE);
else
glDisable(GL_MULTISAMPLE);
#endif
glViewport(0, 0, vid.xres, vid.yres);
glhr::init();
resetGL();
}
#endif
}
#endif
bool noGUI = false;
void initgraph() {
DEBB(DF_INIT, (debugfile,"initgraph\n"));
initConfig();
#if CAP_SDLJOY
joyx = joyy = 0; joydir.d = -1;
#endif
restartGraph();
if(noGUI) {
#if CAP_COMMANDLINE
arg::read(2);
#endif
return;
}
#if CAP_SDL
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) == -1)
{
printf("Failed to initialize video.\n");
exit(2);
}
#if ISWEB
vid.xscr = vid.xres = 1200;
vid.yscr = vid.yres = 900;
#else
const SDL_VideoInfo *inf = SDL_GetVideoInfo();
vid.xscr = vid.xres = inf->current_w;
vid.yscr = vid.yres = inf->current_h;
#endif
SDL_WM_SetCaption("HyperRogue " VER, "HyperRogue " VER);
#endif
preparesort();
#if CAP_CONFIG
loadConfig();
#endif
#if CAP_COMMANDLINE
arg::read(2);
#endif
#if CAP_SDL
setvideomode();
if(!s) {
printf("Failed to initialize graphics.\n");
exit(2);
}
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
SDL_EnableUNICODE(1);
#endif
#if CAP_SDLTTF
if(TTF_Init() != 0) {
printf("Failed to initialize TTF.\n");
exit(2);
}
#endif
#if CAP_SDLJOY
initJoysticks();
#endif
#if CAP_SDLAUDIO
initAudio();
#endif
}
void cleargraph() {
DEBB(DF_INIT, (debugfile,"clear graph\n"));
#if CAP_SDLTTF
for(int i=0; i<256; i++) if(font[i]) TTF_CloseFont(font[i]);
#endif
#if CAL_GLFONT
for(int i=0; i<128; i++) if(glfont[i]) delete glfont[i];
#endif
#if CAP_SDLJOY
closeJoysticks();
#endif
#if CAP_SDL
SDL_Quit();
#endif
}
int calcfps() {
#define CFPS 30
static int last[CFPS], lidx = 0;
int ct = ticks;
int ret = ct - last[lidx];
last[lidx] = ct;
lidx++; lidx %= CFPS;
if(ret == 0) return 0;
return (1000 * CFPS) / ret;
}
}
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