Shipwright/soh/src/code/z_frame_advance.c
M4xw 39cc86c260 git subrepo clone https://github.com/HarbourMasters/soh.git
subrepo:
  subdir:   "soh"
  merged:   "ba904bbd0"
upstream:
  origin:   "https://github.com/HarbourMasters/soh.git"
  branch:   "master"
  commit:   "ba904bbd0"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"
2022-03-22 02:51:23 +01:00

30 lines
1.1 KiB
C

#include "global.h"
void FrameAdvance_Init(FrameAdvanceContext* frameAdvCtx) {
frameAdvCtx->timer = 0;
frameAdvCtx->enabled = false;
}
/**
* Frame advance allows you to advance through the game one frame at a time on command.
* To enable, hold R and press Dpad Down on the specified controller.
* To advance a frame, hold Z and press R.
* Holding Z and R will advance a frame every half second.
*
* This function returns true when frame advance is not active (game will run normally)
*/
s32 FrameAdvance_Update(FrameAdvanceContext* frameAdvCtx, Input* input) {
if (CHECK_BTN_ALL(input->cur.button, BTN_R) && CHECK_BTN_ALL(input->press.button, BTN_DDOWN)) {
frameAdvCtx->enabled = !frameAdvCtx->enabled;
}
if (!frameAdvCtx->enabled || (CHECK_BTN_ALL(input->cur.button, BTN_Z) &&
(CHECK_BTN_ALL(input->press.button, BTN_R) ||
(CHECK_BTN_ALL(input->cur.button, BTN_R) && (++frameAdvCtx->timer >= 9))))) {
frameAdvCtx->timer = 0;
return true;
}
return false;
}