386 lines
6.4 KiB
C
386 lines
6.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <regex.h>
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#include <sys/types.h>
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#include "misc.h"
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#include "defines.h"
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#include "interface.h"
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#include "graphics.h"
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#include "powder.h"
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//Signum function
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#if defined(WIN32) && !defined(__GNUC__)
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_inline int isign(float i)
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#else
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inline int isign(float i)
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#endif
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{
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if (i<0)
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return -1;
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if (i>0)
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return 1;
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return 0;
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}
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#if defined(WIN32) && !defined(__GNUC__)
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_inline unsigned clamp_flt(float f, float min, float max)
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#else
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inline unsigned clamp_flt(float f, float min, float max)
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#endif
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{
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if (f<min)
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return 0;
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if (f>max)
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return 255;
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return (int)(255.0f*(f-min)/(max-min));
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}
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#if defined(WIN32) && !defined(__GNUC__)
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_inline float restrict_flt(float f, float min, float max)
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#else
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inline float restrict_flt(float f, float min, float max)
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#endif
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{
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if (f<min)
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return min;
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if (f>max)
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return max;
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return f;
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}
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char *mystrdup(char *s)
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{
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char *x;
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if (s)
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{
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x = (char*)malloc(strlen(s)+1);
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strcpy(x, s);
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return x;
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}
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return s;
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}
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void strlist_add(struct strlist **list, char *str)
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{
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struct strlist *item = malloc(sizeof(struct strlist));
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item->str = mystrdup(str);
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item->next = *list;
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*list = item;
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}
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int strlist_find(struct strlist **list, char *str)
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{
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struct strlist *item;
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for (item=*list; item; item=item->next)
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if (!strcmp(item->str, str))
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return 1;
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return 0;
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}
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void strlist_free(struct strlist **list)
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{
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struct strlist *item;
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while (*list)
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{
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item = *list;
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*list = (*list)->next;
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free(item);
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}
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}
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void save_presets(int do_update)
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{
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FILE *f=fopen("powder.def", "wb");
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unsigned char sig[4] = {0x50, 0x44, 0x65, 0x67};
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unsigned char tmp = sdl_scale;
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if (!f)
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return;
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fwrite(sig, 1, 4, f);
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save_string(f, svf_user);
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//save_string(f, svf_pass);
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save_string(f, svf_user_id);
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save_string(f, svf_session_id);
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fwrite(&tmp, 1, 1, f);
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tmp = cmode;
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fwrite(&tmp, 1, 1, f);
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tmp = svf_admin;
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fwrite(&tmp, 1, 1, f);
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tmp = svf_mod;
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fwrite(&tmp, 1, 1, f);
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save_string(f, http_proxy_string);
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tmp = SAVE_VERSION;
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fwrite(&tmp, 1, 1, f);
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tmp = MINOR_VERSION;
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fwrite(&tmp, 1, 1, f);
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tmp = do_update;
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fwrite(&tmp, 1, 1, f);
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fclose(f);
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}
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int sregexp(const char *str, char *pattern)
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{
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int result;
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regex_t patternc;
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if(regcomp(&patternc, pattern, 0)!=0)
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return 1;
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result = regexec(&patternc, str, 0, NULL, 0);
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regfree(&patternc);
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return result;
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}
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void load_presets(void)
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{
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FILE *f=fopen("powder.def", "rb");
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unsigned char sig[4], tmp;
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if (!f)
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return;
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fread(sig, 1, 4, f);
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if (sig[0]!=0x50 || sig[1]!=0x44 || sig[2]!=0x65)
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{
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if (sig[0]==0x4D && sig[1]==0x6F && sig[2]==0x46 && sig[3]==0x6F)
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{
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if (fseek(f, -3, SEEK_END))
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{
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remove("powder.def");
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return;
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}
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if (fread(sig, 1, 3, f) != 3)
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{
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remove("powder.def");
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goto fail;
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}
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last_major = sig[0];
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last_minor = sig[1];
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update_flag = sig[2];
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}
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fclose(f);
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remove("powder.def");
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return;
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}
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if(sig[3]==0x66){
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if (load_string(f, svf_user, 63))
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goto fail;
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if (load_string(f, svf_pass, 63))
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goto fail;
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} else {
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if (load_string(f, svf_user, 63))
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goto fail;
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if (load_string(f, svf_user_id, 63))
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goto fail;
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if (load_string(f, svf_session_id, 63))
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goto fail;
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}
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svf_login = !!svf_session_id[0];
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if (fread(&tmp, 1, 1, f) != 1)
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goto fail;
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sdl_scale = (tmp == 2) ? 2 : 1;
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if (fread(&tmp, 1, 1, f) != 1)
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goto fail;
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cmode = tmp%CM_COUNT;
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if (fread(&tmp, 1, 1, f) != 1)
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goto fail;
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svf_admin = tmp;
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if (fread(&tmp, 1, 1, f) != 1)
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goto fail;
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svf_mod = tmp;
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if (load_string(f, http_proxy_string, 255))
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goto fail;
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if (fread(sig, 1, 3, f) != 3)
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goto fail;
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last_major = sig[0];
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last_minor = sig[1];
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update_flag = sig[2];
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fail:
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fclose(f);
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}
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void save_string(FILE *f, char *str)
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{
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int li = strlen(str);
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unsigned char lb[2];
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lb[0] = li;
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lb[1] = li >> 8;
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fwrite(lb, 2, 1, f);
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fwrite(str, li, 1, f);
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}
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int load_string(FILE *f, char *str, int max)
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{
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int li;
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unsigned char lb[2];
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fread(lb, 2, 1, f);
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li = lb[0] | (lb[1] << 8);
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if (li > max)
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{
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str[0] = 0;
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return 1;
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}
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fread(str, li, 1, f);
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str[li] = 0;
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return 0;
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}
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void strcaturl(char *dst, char *src)
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{
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char *d;
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unsigned char *s;
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for (d=dst; *d; d++) ;
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for (s=(unsigned char *)src; *s; s++)
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{
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if ((*s>='0' && *s<='9') ||
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(*s>='a' && *s<='z') ||
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(*s>='A' && *s<='Z'))
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*(d++) = *s;
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else
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{
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*(d++) = '%';
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*(d++) = hex[*s>>4];
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*(d++) = hex[*s&15];
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}
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}
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*d = 0;
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}
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void strappend(char *dst, char *src)
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{
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char *d;
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unsigned char *s;
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for (d=dst; *d; d++) ;
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for (s=(unsigned char *)src; *s; s++)
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{
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*(d++) = *s;
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}
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*d = 0;
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}
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void *file_load(char *fn, int *size)
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{
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FILE *f = fopen(fn, "rb");
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void *s;
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if (!f)
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return NULL;
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fseek(f, 0, SEEK_END);
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*size = ftell(f);
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fseek(f, 0, SEEK_SET);
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s = malloc(*size);
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if (!s)
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{
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fclose(f);
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return NULL;
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}
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fread(s, *size, 1, f);
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fclose(f);
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return s;
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}
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int cpu_check(void)
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{
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#ifdef MACOSX
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return 0;
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#else
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#ifdef X86
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unsigned af,bf,cf,df;
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x86_cpuid(0, af, bf, cf, df);
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if (bf==0x68747541 && cf==0x444D4163 && df==0x69746E65)
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amd = 1;
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x86_cpuid(1, af, bf, cf, df);
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#ifdef X86_SSE
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if (!(df&(1<<25)))
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return 1;
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#endif
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#ifdef X86_SSE2
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if (!(df&(1<<26)))
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return 1;
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#endif
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#ifdef X86_SSE3
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if (!(cf&1))
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return 1;
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#endif
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#endif
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#endif
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return 0;
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}
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matrix2d m2d_multiply_m2d(matrix2d m1, matrix2d m2)
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{
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matrix2d result = {
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m1.a*m2.a+m1.b*m2.c, m1.a*m2.b+m1.b*m2.d,
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m1.c*m2.a+m1.d*m2.c, m1.c*m2.b+m1.d*m2.d
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};
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return result;
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}
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vector2d m2d_multiply_v2d(matrix2d m, vector2d v)
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{
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vector2d result = {
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m.a*v.x+m.b*v.y,
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m.c*v.x+m.d*v.y
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};
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return result;
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}
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matrix2d m2d_multiply_float(matrix2d m, float s)
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{
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matrix2d result = {
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m.a*s, m.b*s,
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m.c*s, m.d*s,
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};
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return result;
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}
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vector2d v2d_multiply_float(vector2d v, float s)
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{
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vector2d result = {
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v.x*s,
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v.y*s
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};
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return result;
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}
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vector2d v2d_add(vector2d v1, vector2d v2)
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{
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vector2d result = {
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v1.x+v2.x,
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v1.y+v2.y
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};
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return result;
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}
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vector2d v2d_sub(vector2d v1, vector2d v2)
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{
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vector2d result = {
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v1.x-v2.x,
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v1.y-v2.y
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};
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return result;
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}
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matrix2d m2d_new(float me0, float me1, float me2, float me3)
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{
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matrix2d result = {me0,me1,me2,me3};
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return result;
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}
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vector2d v2d_new(float x, float y)
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{
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vector2d result = {x, y};
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return result;
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}
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void clipboard_push_text(char * text)
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{
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printf("Not implemented: put text on clipboard \"%s\"\n", text);
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}
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char * clipboard_pull_text()
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{
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printf("Not implemented: get text from clipboard\n");
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return "";
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}
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vector2d v2d_zero = {0,0};
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matrix2d m2d_identity = {1,0,0,1};
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