Function loadsurface

source/src/texture.cpp:331–399

bool uniformtexres = !hirestextures;

GLuint loadsurface(const char *texname, int &xs, int &ys, int &bpp, int clamp = 0, bool mipmap = true, bool canreduce = false, float scale = 1.0f, bool trydl = false)
{
    const char *file = texname;
    if(texname[0]=='<')
    {
        file = strchr(texname, '>');
        if(!file) { if(!silent_texture_load) conoutf("could not load texture %s", texname); return 0; }
        file++;
    }

    SDL_Surface *s = NULL;
    const char *ffile = findfile(file, "rb");
    if(findfilelocation == FFL_ZIP)
    {
        stream *z = openzipfile(file, "rb");
        if(z)
        {
            SDL_RWops *rw = z->rwops();
            if(rw)
            {
                s = IMG_Load_RW(rw, 0);
                SDL_FreeRW(rw);
            }
            delete z;
        }
    }
    else if(!s) s = IMG_Load(ffile);
    if(!s)
    {
        if(trydl) requirepackage(PCK_TEXTURE, file);
        else if(!silent_texture_load) conoutf("couldn't load texture %s", texname);
        return 0;
    }
    s = fixsurfaceformat(s);
    if(strstr(texname,"playermodel")) { fixcl(s, 45); }
    else if(strstr(texname,"skin") && strstr(texname,"weapon")) { fixcl(s, 44); }

    GLenum format = texformat(s->format->BitsPerPixel);
    if(!format)
    {
        SDL_FreeSurface(s);
        conoutf("texture must be 8, 16, 24, or 32 bpp: %s", texname);
        return 0;
    }
    if(max(s->w, s->h) > (1<<12))
    {
        SDL_FreeSurface(s);
        conoutf("texture size exceeded %dx%d pixels: %s", 1<<12, 1<<12, texname);
        return 0;
    }

    if(texname[0]=='<')
    {
        const char *cmd = &texname[1], *arg1 = strchr(cmd, ':');//, *arg2 = arg1 ? strchr(arg1, ',') : NULL;
        if(!arg1) arg1 = strchr(cmd, '>');
        if(!strncmp(cmd, "decal", arg1-cmd)) { s = texdecal(s); format = texformat(s->format->BitsPerPixel); }
    }