mirror of https://github.com/zeldaret/oot.git
109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
#include "global.h"
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typedef enum {
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/* 0 */ LETTERBOX_STATE_IDLE,
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/* 1 */ LETTERBOX_STATE_GROWING,
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/* 2 */ LETTERBOX_STATE_SHRINKING
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} LetterboxState;
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s32 sLetterboxState = LETTERBOX_STATE_IDLE;
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s32 sLetterboxSizeTarget = 0;
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s32 sLetterboxSize = 0;
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void Letterbox_SetSizeTarget(s32 target) {
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if (HREG(80) == 0x13 && HREG(81) == 1) {
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osSyncPrintf("shrink_window_setval(%d)\n", target);
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}
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sLetterboxSizeTarget = target;
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}
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u32 Letterbox_GetSizeTarget(void) {
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return sLetterboxSizeTarget;
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}
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void Letterbox_SetSize(s32 size) {
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if (HREG(80) == 0x13 && HREG(81) == 1) {
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osSyncPrintf("shrink_window_setnowval(%d)\n", size);
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}
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sLetterboxSize = size;
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}
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u32 Letterbox_GetSize(void) {
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return sLetterboxSize;
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}
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void Letterbox_Init(void) {
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if (HREG(80) == 0x13 && HREG(81) == 1) {
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osSyncPrintf("shrink_window_init()\n");
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}
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sLetterboxState = LETTERBOX_STATE_IDLE;
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sLetterboxSizeTarget = 0;
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sLetterboxSize = 0;
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}
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void Letterbox_Destroy(void) {
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if (HREG(80) == 0x13 && HREG(81) == 1) {
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osSyncPrintf("shrink_window_cleanup()\n");
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}
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sLetterboxSize = 0;
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}
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void Letterbox_Update(s32 updateRate) {
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s32 step;
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if (updateRate == 3) {
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step = 10;
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} else {
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step = 30 / updateRate;
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}
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if (sLetterboxSize < sLetterboxSizeTarget) {
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if (sLetterboxState != LETTERBOX_STATE_GROWING) {
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sLetterboxState = LETTERBOX_STATE_GROWING;
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}
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if (sLetterboxSize + step < sLetterboxSizeTarget) {
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sLetterboxSize += step;
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} else {
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sLetterboxSize = sLetterboxSizeTarget;
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}
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} else if (sLetterboxSizeTarget < sLetterboxSize) {
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if (sLetterboxState != LETTERBOX_STATE_SHRINKING) {
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sLetterboxState = LETTERBOX_STATE_SHRINKING;
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}
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if (sLetterboxSizeTarget < sLetterboxSize - step) {
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sLetterboxSize -= step;
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} else {
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sLetterboxSize = sLetterboxSizeTarget;
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}
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} else {
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sLetterboxState = LETTERBOX_STATE_IDLE;
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}
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if (HREG(80) == 0x13) {
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if (HREG(94) != 0x13) {
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HREG(94) = 0x13;
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HREG(81) = 0;
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HREG(82) = 0;
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HREG(83) = 0;
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HREG(84) = 0;
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HREG(85) = 0;
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HREG(86) = 0;
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HREG(87) = 0;
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HREG(88) = 0;
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HREG(89) = 0;
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}
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HREG(83) = sLetterboxState;
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HREG(84) = sLetterboxSize;
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HREG(85) = sLetterboxSizeTarget;
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HREG(86) = step;
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}
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}
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