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tmc/src/scroll.c

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#include "global.h"
#include "entity.h"
#include "structures.h"
#include "functions.h"
#include "game.h"
#include "map.h"
#include "asm.h"
#include "common.h"
#include "fileselect.h"
#include "screen.h"
extern void sub_08080BC4(void);
extern void sub_080197D4(const void*);
extern void sub_0807C8B0(u8*, u32, u32);
extern void sub_0801AB08(u8*, u8*);
extern void sub_0807C810();
extern void DeleteSleepingEntities(void);
extern void sub_0807BBE4();
extern void sub_0807BC84();
extern void sub_0805E248();
extern u8 gUpdateVisibleTiles;
extern u16 gUnk_0200B640;
extern u32** gUnk_08109194[];
extern u8 gMapDataTop[];
extern u8 gMapDataBottom[];
extern u8 gUnk_02022830[];
extern u8 gUnk_020246B0[];
void sub_0807FC64(RoomControls*);
void sub_0807FC7C(RoomControls*);
void sub_0807FDB0(RoomControls*);
void sub_0807FEF0(RoomControls*);
void sub_0807FF54(RoomControls*);
void sub_0807FDC8(RoomControls*);
void sub_0807FDE4(RoomControls*);
void sub_0807FDF8(RoomControls*);
void sub_0807FEC8(RoomControls*);
void sub_0807FF08(RoomControls*);
void sub_0807FF1C(RoomControls*);
void sub_0807FF6C(RoomControls*);
void sub_0807FFE4(RoomControls*);
void sub_08080040(RoomControls*);
void sub_08080108(RoomControls*);
void sub_08080198(RoomControls*);
void sub_080801BC(RoomControls*);
void UpdateIsDiggingCave(void);
u32 sub_080803D0();
u32 sub_08080278();
void sub_08080C80(u32*);
void sub_08080368();
void sub_08080B60(u8*);
bool32 sub_08080794(const Transition* transition, u32 param_2, u32 param_3, u32 param_4);
bool32 sub_08080808(const Transition* transition, u32 param_2, u32 param_3, u32 param_4);
void sub_080808D8(s32);
void sub_080808E4(s32);
void sub_08080904(s32);
void sub_08080910(s32);
extern u8 gMapDataTopSpecial[];
void UpdateScroll(void) {
static void (*const gUnk_0811E768[])(RoomControls*) = {
sub_0807FC64, sub_0807FC7C, sub_0807FDB0, NULL, sub_0807FEF0, sub_0807FF54,
};
gRoomControls.scroll_flags &= 0xfb;
gUnk_0811E768[gRoomControls.unk3](&gRoomControls);
}
void sub_0807FC64(RoomControls* controls) {
controls->unk3 = 1;
controls->reload_flags = 0;
controls->unk5 = 4;
sub_0807FC7C(controls);
UpdateIsDiggingCave();
}
ASM_FUNC("asm/non_matching/scroll/sub_0807FC7C.inc", void sub_0807FC7C(RoomControls* controls))
void sub_0807FDB0(RoomControls* controls) {
static void (*const gUnk_0811E780[])(RoomControls*) = {
sub_0807FDC8,
sub_0807FDE4,
sub_0807FDF8,
};
gUnk_0811E780[controls->unk4](controls);
}
void sub_0807FDC8(RoomControls* controls) {
gUpdateVisibleTiles = 1;
UpdateScrollVram();
controls->unk4 = 1;
gUpdateVisibleTiles = 0;
}
void sub_0807FDE4(RoomControls* controls) {
controls->unk4 = 2;
controls->filler2[0] = 0;
gUpdateVisibleTiles = 2;
}
void sub_0807FDF8(RoomControls* controls) {
u32 bVar1;
Entity* pEVar2;
s32 iVar3;
gUpdateVisibleTiles = 2;
controls->filler2[0]++;
switch (controls->scroll_direction) {
case 0:
controls->scroll_y -= 4;
pEVar2 = controls->camera_target;
if (pEVar2 == &gPlayerEntity) {
pEVar2->y.WORD = gPlayerEntity.y.WORD - Q_16_16(0.375);
}
if (controls->filler2[0] == 0x28) {
sub_0807FEC8(controls);
}
break;
case 1:
controls->scroll_x = controls->scroll_x + 4;
if (controls->camera_target == &gPlayerEntity) {
gPlayerEntity.x.WORD += Q_16_16(0.25);
}
if (controls->filler2[0] == 0x3c) {
sub_0807FEC8(controls);
}
break;
case 2:
controls->scroll_y = controls->scroll_y + 4;
pEVar2 = controls->camera_target;
if (pEVar2 == &gPlayerEntity) {
pEVar2->y.WORD = gPlayerEntity.y.WORD + Q_16_16(0.375);
}
if (controls->filler2[0] == 0x28) {
sub_0807FEC8(controls);
}
break;
case 3:
controls->scroll_x -= 4;
if (controls->camera_target == &gPlayerEntity) {
gPlayerEntity.x.WORD -= Q_16_16(0.25);
}
if (controls->filler2[0] == 0x3c) {
sub_0807FEC8(controls);
}
break;
}
controls->shake_duration = 0;
sub_08080BC4();
}
void sub_0807FEC8(RoomControls* this) {
this->unk3 = 0;
MemFill32(0xffffffff, gPlayerState.path_memory, sizeof(gPlayerState.path_memory));
gPlayerState.startPosX = this->camera_target->x.HALF.HI;
gPlayerState.startPosY = this->camera_target->y.HALF.HI;
}
void sub_0807FEF0(RoomControls* controls) {
static void (*const gUnk_0811E78C[])(RoomControls*) = {
sub_0807FF08,
sub_0807FF1C,
};
gUnk_0811E78C[controls->unk4](controls);
}
void sub_0807FF08(RoomControls* controls) {
controls->unk4 = 1;
controls->filler2[0] = 0;
gUpdateVisibleTiles = 3;
}
void sub_0807FF1C(RoomControls* controls) {
if ((gRoomTransition.frameCount & 1U) == 0) {
gUpdateVisibleTiles = 3;
if (++controls->filler2[0] > 0x13) {
controls->unk3 = 0;
ResetSystemPriority();
}
}
}
void sub_0807FF54(RoomControls* controls) {
static void (*const gUnk_0811E794[])(RoomControls*) = {
sub_0807FF6C, sub_0807FFE4, sub_08080040, sub_08080108, sub_08080198, sub_080801BC,
};
gUnk_0811E794[controls->unk4](controls);
}
void sub_0807FF6C(RoomControls* controls) {
controls->unk4 = 1;
gScreen.lcd.displayControl |= DISPCNT_WIN1_ON;
gScreen.controls.windowInsideControl = (u8)gScreen.controls.windowInsideControl | 0x1700;
gScreen.controls.windowOutsideControl = (gScreen.controls.windowOutsideControl & 0xff00) | 7;
gScreen.controls.window1HorizontalDimensions = 0xf0;
gScreen.controls.window1VerticalDimensions = 0xf0;
ResetPlayerItem();
ResetPlayerAnimationAndAction();
if (gUnk_03004030.isDiggingCave) {
gPlayerEntity.animationState = 4;
} else {
gPlayerEntity.animationState = 0;
}
sub_080809D4();
}
void sub_0807FFE4(RoomControls* controls) {
controls->unk4 = 2;
controls->filler2[0] = sub_080803D0() + 6;
gUnk_0200B640 = sub_08080278();
sub_080197D4(*gUnk_08109194[gUnk_03004030.unk_00->unk_03]);
sub_0807C8B0(gMapDataTop, controls->width >> 4, controls->height >> 4);
sub_0801AB08(gMapDataTopSpecial, gMapDataTop - 4);
}
void sub_08080040(RoomControls* controls) {
s32 iVar2;
s32 iVar3;
s32 uVar5;
s32 uVar6;
s32 iVar7;
s32 temp;
controls->filler2[0] -= 6;
controls->filler2[1] = (controls->filler2[0] << 1) / 3;
if (0x2a < controls->filler2[0]) {
iVar2 = controls->camera_target->x.HALF.HI - controls->scroll_x;
uVar6 = (iVar2 - controls->filler2[0]) + 8;
if (uVar6 < 0) {
uVar6 = 0;
}
iVar7 = iVar2 + controls->filler2[0] - 8;
if (0xf0 < iVar7) {
iVar7 = 0xf0;
}
temp = controls->camera_target->y.HALF.HI - controls->scroll_y;
uVar5 = (temp - controls->filler2[1]) + 8;
if (uVar5 < 0) {
uVar5 = 0;
}
iVar3 = temp + controls->filler2[1] - 8;
if (0xa0 < iVar3) {
iVar3 = 0xa0;
}
gScreen.controls.window1HorizontalDimensions = ((uVar6 & 0xff) << 8) | (iVar7 & 0xff);
gScreen.controls.window1VerticalDimensions = ((uVar5 & 0xff) << 8) | (iVar3 & 0xff);
}
if (controls->filler2[0] == 0) {
controls->unk4 = 3;
DeleteSleepingEntities();
sub_0807C810();
sub_08080C80(*(gUnk_08109194[gUnk_03004030.unk_00->unk_03] + 1));
} else {
gUpdateVisibleTiles = 4;
}
}
void sub_08080108(RoomControls* controls) {
controls->unk4 = 4;
MemCopy(gMapDataBottom, gMapDataBottom + 0x3000, 0x2000);
MemCopy(gMapDataTop, gMapDataTop + 0x3000, 0x2000);
sub_08080368();
gUnk_02034480.unk_00 = gUnk_0200B640;
MemCopy(gUnk_02022830, gUnk_020246B0, 0x1800);
sub_08080B60(gMapDataBottom - 4);
sub_08080B60(gMapDataTop - 4);
sub_0807BBE4();
sub_0807BC84();
sub_0805E248();
sub_0801AB08((u8*)&gMapDataBottomSpecial, gMapDataBottom - 4);
sub_0801AB08(gMapDataTopSpecial, gMapDataTop - 4);
}
void sub_08080198(RoomControls* controls) {
controls->unk4 = 5;
controls->filler2[2] = 0xff;
LoadRoom();
CallRoomProp5And7();
gUpdateVisibleTiles = 0;
UpdateIsDiggingCave();
}
void sub_080801BC(RoomControls* controls) {
s32 iVar2;
s32 iVar3;
s32 uVar5;
s32 uVar6;
s32 iVar7;
s32 temp;
controls->filler2[0] += 6;
controls->filler2[1] = (controls->filler2[0] << 1) / 3;
if (0x1e < controls->filler2[0]) {
iVar2 = controls->camera_target->x.HALF.HI - controls->scroll_x;
uVar6 = (iVar2 - controls->filler2[0]);
if (uVar6 < 0) {
uVar6 = 0;
}
iVar7 = iVar2 + controls->filler2[0];
if (0xf0 < iVar7) {
iVar7 = 0xf0;
}
temp = controls->camera_target->y.HALF.HI - controls->scroll_y;
uVar5 = (temp - controls->filler2[1]);
if (uVar5 < 0) {
uVar5 = 0;
}
iVar3 = temp + controls->filler2[1];
if (0xa0 < iVar3) {
iVar3 = 0xa0;
}
gScreen.controls.window1HorizontalDimensions = ((uVar6 & 0xff) << 8) | (iVar7 & 0xff);
gScreen.controls.window1VerticalDimensions = ((uVar5 & 0xff) << 8) | (iVar3 & 0xff);
}
if (controls->filler2[2] == 0) {
controls->unk3 = 0;
controls->reload_flags = 0;
ResetSystemPriority();
gScreen.lcd.displayControl &= ~DISPCNT_WIN1_ON;
gScreen.controls.windowInsideControl &= 0xff;
gScreen.controls.windowOutsideControl &= 0xff00;
} else {
gUpdateVisibleTiles = 4;
controls->filler2[2] = 0;
}
}
ASM_FUNC("asm/non_matching/scroll/sub_08080278.inc", u32 sub_08080278())
ASM_FUNC("asm/non_matching/scroll/sub_08080368.inc", void sub_08080368())
ASM_FUNC("asm/non_matching/scroll/sub_080803D0.inc", u32 sub_080803D0())
void UpdateIsDiggingCave(void) {
switch (gRoomControls.area) {
case AREA_LAKE_WOODS_CAVE:
case AREA_HYRULE_DIG_CAVES:
case AREA_DIG_CAVES:
case AREA_CRENEL_DIG_CAVE:
case AREA_VEIL_FALLS_DIG_CAVE:
case AREA_CASTOR_WILDS_DIG_CAVE:
case AREA_HYLIA_DIG_CAVES:
gUnk_03004030.isDiggingCave = 1;
return;
}
gUnk_03004030.isDiggingCave = 0;
}
void ClearTilemaps(void) {
// Is gRoomControls 4 bytes bigger?
MemClear(&gRoomControls, 0x38);
MemClear(&gUnk_03004030, sizeof(gUnk_03004030));
gRoomControls.filler3 = 0xffff;
gUnk_03004030.unk_0a = 0xff;
gUnk_02034480.unk_00 = 0;
MemClear(&gMapDataBottomSpecial, 0x8000);
MemClear(&gMapDataTopSpecial, 0x8000);
}
bool32 sub_080806BC(u32 param_1, u32 param_2, u32 param_3, u32 param_4) {
static bool32 (*const gUnk_0811E7AC[])(const Transition*, u32, u32, u32) = {
sub_08080794,
sub_08080808,
sub_08080794,
sub_08080808,
};
u32 uVar1;
s32 iVar2;
const Transition* puVar3;
puVar3 = (gArea.pCurrentRoomInfo->exits);
while (*(u16*)puVar3 != 0xffff) {
u32 uVar3 = *(u16*)puVar3;
if ((((1 << uVar3) & param_4) != 0) && (gUnk_0811E7AC[uVar3](puVar3, param_1, param_2, param_3))) {
DoExitTransition((const ScreenTransitionData*)puVar3);
return 1;
}
puVar3++;
}
return 0;
}
const Transition* sub_08080734(u32 param_1, u32 param_2) {
u32 warpType;
s32 iVar2;
u32 uVar4;
const Transition* puVar3;
puVar3 = (gArea.pCurrentRoomInfo->exits);
uVar4 = 10;
while (*(u16*)puVar3 != 0xffff) {
if ((((1 << *(u16*)puVar3) & uVar4) != 0) && (sub_08080808(puVar3, param_1, param_2, 0))) {
return puVar3;
}
puVar3++;
}
return NULL;
}
bool32 sub_08080794(const Transition* transition, u32 param_2, u32 param_3, u32 param_4) {
u32 bVar1;
switch (param_4) {
default:
return 0;
case 0:
if (gRoomControls.width >> 1 < param_2) {
bVar1 = 2;
} else {
bVar1 = 1;
}
break;
case 1:
if (gRoomControls.height >> 1 < param_3) {
bVar1 = 8;
} else {
bVar1 = 4;
}
break;
case 2:
if (gRoomControls.width >> 1 < param_2) {
bVar1 = 0x20;
} else {
bVar1 = 0x10;
}
break;
case 3:
if (gRoomControls.height >> 1 < param_3) {
bVar1 = 0x80;
} else {
bVar1 = 0x40;
}
break;
}
if ((transition->shape & bVar1) != 0) {
return 1;
}
return 0;
}
bool32 sub_08080808(const Transition* param_1, u32 param_2, u32 param_3, u32 param_4) {
static const u8 gUnk_0811E7BC[] = { 6, 6, 6, 14, 14, 6, 22, 6 };
const u8* ptr;
u32 temp;
u32 temp2;
u32 temp3;
u32 temp4;
ptr = &gUnk_0811E7BC[param_1->shape * 2];
temp = ptr[0];
temp2 = param_2 - param_1->startX;
if ((temp2 + temp <= ptr[0] * 2)) {
temp3 = ptr[1];
temp4 = param_3 - param_1->startY;
if (temp4 + temp3 <= ptr[1] * 2) {
return TRUE;
} else {
return FALSE;
}
} else {
return FALSE;
}
}
void DoExitTransition(const ScreenTransitionData* data) {
static void (*const gUnk_0811E7C4[])(s32) = {
sub_080808D8,
sub_080808E4,
sub_08080904,
sub_08080910,
};
PlayerRoomStatus* status;
gRoomTransition.transitioningOut = 1;
status = &gRoomTransition.player_status;
if ((u16)data->playerXPos <= 0x3ff) {
status->start_pos_x = data->playerXPos;
} else {
status->start_pos_x = (gRoomControls.camera_target)->x.HALF.HI | 0x8000;
}
if ((u16)data->playerYPos <= 0x3ff) {
status->start_pos_y = data->playerYPos;
} else {
status->start_pos_y = (gRoomControls.camera_target)->y.HALF.HI | 0x8000;
}
status->area_next = data->area;
status->room_next = data->room;
status->layer = data->playerLayer;
status->spawn_type = data->field_0xe;
status->start_anim = data->playerState;
if (data->transitionSFX != SFX_NONE) {
SoundReq(data->transitionSFX);
}
gUnk_0811E7C4[data->type](data->field_0xa);
}
void sub_080808D8(s32 param_1) {
gRoomTransition.type = TRANSITION_DEFAULT;
}
void sub_080808E4(s32 param_1) {
if (CheckAreaOverworld(gRoomTransition.player_status.area_next)) {
gRoomTransition.type = TRANSITION_DEFAULT;
} else {
gRoomTransition.type = TRANSITION_FADE_BLACK;
}
}
void sub_08080904(s32 param_1) {
gRoomTransition.type = TRANSITION_CUT;
}
void sub_08080910(s32 param_1) {
gRoomTransition.type = TRANSITION_CUT;
}
void sub_0808091C(const ScreenTransitionData* param_1, u32 param_2) {
DoExitTransition(param_1);
gRoomTransition.type = param_2;
}
void sub_08080930(void) {
gRoomControls.unk3 = 5;
gRoomControls.unk4 = 0;
gRoomControls.reload_flags = 2;
gRoomControls.scroll_direction = 0;
SetInitializationPriority();
}
LayerStruct* GetLayerByIndex(u32 param_1) {
if (param_1 == 2) {
return &gMapTop;
} else {
return &gMapBottom;
}
}
void InitScreenShake(u32 time, u32 magnitude) {
gRoomControls.shake_duration = time;
gRoomControls.shake_magnitude = magnitude & 7;
}
void sub_08080974(u32 arg0, u32 arg1) {
u32 var0, var1;
RoomControls* roomControls = &gRoomControls;
var0 = roomControls->origin_x;
if (arg0 <= var0 + 120) {
roomControls->scroll_x = var0;
} else {
var0 += roomControls->width;
var1 = var0 - 120;
if (arg0 < var1) {
var1 = arg0;
}
roomControls->scroll_x = var1 - 120;
}
var0 = roomControls->origin_y;
if (arg1 <= var0 + 80) {
roomControls->scroll_y = var0;
} else {
var0 += roomControls->height;
var1 = var0 - 80;
if (arg1 < var1) {
var1 = arg1;
}
roomControls->scroll_y = var1 - 80;
}
sub_080809D4();
gUpdateVisibleTiles = 1;
}
void sub_080809D4(void) {
s32 x, y;
s32 var1, var0;
RoomControls* roomControls = &gRoomControls;
roomControls->scroll_flags &= ~4;
x = roomControls->camera_target->x.HALF.HI;
var0 = roomControls->origin_x;
if (x <= var0 + 120) {
roomControls->scroll_x = var0;
} else {
var0 += roomControls->width;
var1 = var0 - 120;
if (x < var1) {
var1 = (u16)roomControls->camera_target->x.HALF.HI;
}
roomControls->scroll_x = var1 - 120;
}
y = roomControls->camera_target->y.HALF.HI;
var0 = roomControls->origin_y;
if (y <= var0 + 80) {
roomControls->scroll_y = var0;
} else {
var0 += roomControls->height;
var1 = var0 - 80;
if (y < var1) {
var1 = (u16)roomControls->camera_target->y.HALF.HI;
}
roomControls->scroll_y = var1 - 80;
}
sub_08080BC4();
gUpdateVisibleTiles = 1;
}
ASM_FUNC("asm/non_matching/scroll/UpdateDoorTransition.inc", void UpdateDoorTransition())
ASM_FUNC("asm/non_matching/scroll/sub_08080B60.inc", void sub_08080B60(u8* param_1))
ASM_FUNC("asm/non_matching/scroll/sub_08080BC4.inc", void sub_08080BC4())
ASM_FUNC("asm/non_matching/scroll/sub_08080C80.inc", void sub_08080C80(u32* param_1))
ASM_FUNC("asm/non_matching/scroll/sub_08080CB4.inc", void sub_08080CB4(Entity* a))
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