DOOM64-RE

DOOM 64 Reverse Engineering
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p_switch.c (2689B)

      1 #include "doomdef.h"
      2 #include "p_local.h"
      3 
      4 /*================================================================== */
      5 /* */
      6 /*	CHANGE THE TEXTURE OF A WALL SWITCH TO ITS OPPOSITE */
      7 /* */
      8 /*================================================================== */
      9 
     10 button_t    buttonlist[MAXBUTTONS];//800975B0
     11 
     12 void P_StartButton(line_t *line,bwhere_e w,int texture,int time);
     13 
     14 /*================================================================== */
     15 /* */
     16 /*	Function that changes wall texture. */
     17 /*	Tell it if switch is ok to use again (1=yes, it's a button). */
     18 /* */
     19 /*================================================================== */
     20 void P_ChangeSwitchTexture(line_t *line,int useAgain) // 80021460
     21 {
     22 	int	sound;
     23 	int	swx;
     24 
     25 	/* 52  EXIT! */
     26 	/* 124 Secret EXIT */
     27 	if(SPECIALMASK(line->special) == 52 || SPECIALMASK(line->special) == 124)
     28         sound = sfx_switch2;//sfx_swtchx
     29     else
     30         sound = sfx_switch1;//sfx_swtchn
     31 
     32     if(SWITCHMASK(line->flags) == (ML_SWITCHX02 | ML_SWITCHX04)) /* Mid */
     33     {
     34         S_StartSound((mobj_t *)&line->frontsector->soundorg, sound);
     35 
     36         swx = sides[line->sidenum[0]].midtexture;
     37         sides[line->sidenum[0]].midtexture = ((swx - firstswx) ^ 1) + firstswx;
     38 
     39         if (useAgain)
     40             P_StartButton(line, middle, swx, BUTTONTIME);
     41     }
     42     else if(SWITCHMASK(line->flags) == (ML_SWITCHX02)) /* Top */
     43     {
     44         S_StartSound((mobj_t *)&line->frontsector->soundorg, sound);
     45 
     46         swx = sides[line->sidenum[0]].toptexture;
     47         sides[line->sidenum[0]].toptexture = ((swx - firstswx) ^ 1) + firstswx;
     48 
     49         if (useAgain)
     50             P_StartButton(line, top ,swx, BUTTONTIME);
     51     }
     52     else if(SWITCHMASK(line->flags) == (ML_SWITCHX04)) /* Bot */
     53     {
     54         S_StartSound((mobj_t *)&line->frontsector->soundorg, sound);
     55 
     56         swx = sides[line->sidenum[0]].bottomtexture;
     57         sides[line->sidenum[0]].bottomtexture = ((swx - firstswx) ^ 1) + firstswx;
     58 
     59         if (useAgain)
     60             P_StartButton(line, bottom, swx, BUTTONTIME);
     61     }
     62 }
     63 
     64 /*================================================================== */
     65 /* */
     66 /*	Start a button counting down till it turns off. */
     67 /* */
     68 /*================================================================== */
     69 void P_StartButton(line_t *line,bwhere_e w,int texture,int time) // 80021608
     70 {
     71 	int i;
     72 
     73 	for (i = 0;i < MAXBUTTONS;i++)
     74     {
     75 		if (buttonlist[i].btimer <= 0)
     76 		{
     77 			buttonlist[i].side = &sides[line->sidenum[0]];
     78 			buttonlist[i].where = w;
     79 			buttonlist[i].btexture = texture;
     80 			buttonlist[i].btimer = time;
     81 			buttonlist[i].soundorg = (mobj_t *)&line->frontsector->soundorg;
     82 			return;
     83 		}
     84     }
     85 
     86 	//I_Error("P_StartButton: no button slots left!");
     87 }