mirror of https://github.com/zeldaret/tmc.git
128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/**
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* @file horizontalMinishPathBackgroundManager.c
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* @ingroup Managers
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*
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* @brief Parallax scrolling for horizontal MinishPaths
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*/
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#include "manager/horizontalMinishPathBackgroundManager.h"
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#include "common.h"
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#include "functions.h"
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#include "screen.h"
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void sub_08057F20(HorizontalMinishPathBackgroundManager*);
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void sub_08057EFC(void*);
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void sub_08058034(void);
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void sub_08058084(u16*, u16*);
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void sub_08058004(u32, void*, void*);
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extern u8 gUnk_02006F00[];
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extern u16 gMapDataTopSpecial[];
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void HorizontalMinishPathBackgroundManager_Main(HorizontalMinishPathBackgroundManager* this) {
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sub_08057F20(this);
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if (super->action == 0) {
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super->action = 1;
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gScreen.bg1.updated = 0;
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gScreen.bg3.updated = 0;
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RegisterTransitionManager(this, sub_08057EFC, NULL);
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}
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}
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void sub_08057EFC(void* this) {
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LoadGfxGroup((u32)gRoomVars.unk_10[0]);
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sub_08058034();
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((HorizontalMinishPathBackgroundManager*)this)->unk_3c = 0;
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((HorizontalMinishPathBackgroundManager*)this)->unk_38 = 0;
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sub_08057F20(((HorizontalMinishPathBackgroundManager*)this));
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}
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void sub_08057F20(HorizontalMinishPathBackgroundManager* this) {
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u32 tmp;
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tmp = gRoomControls.scroll_x - gRoomControls.origin_x;
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tmp = tmp + (tmp >> 3) + ((0x400 - gRoomControls.width) / 2);
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gScreen.bg3.xOffset = tmp & 0xF;
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gScreen.bg3.yOffset = 0x30 - ((0x30 - (gRoomControls.scroll_y - gRoomControls.origin_y)) >> 2);
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gScreen.bg3.tilemap = gBG3Buffer;
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sub_08058004(tmp, gUnk_02006F00, gBG3Buffer);
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tmp = ((tmp >> 4) << 1);
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if (this->unk_38 != tmp) {
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this->unk_38 = tmp;
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gScreen.bg3.updated = 1;
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}
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tmp = (gRoomControls.scroll_x - gRoomControls.origin_x);
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tmp = tmp + (tmp >> 2) + ((0x400 - gRoomControls.width) / 2);
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gScreen.bg1.xOffset = tmp & 0xF;
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gScreen.bg1.yOffset = 0x30 - ((0x30 - (gRoomControls.scroll_y - gRoomControls.origin_y)) >> 1);
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gScreen.bg1.tilemap = gBG3Buffer + 0x400;
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sub_08058004(tmp, gUnk_02006F00 + 0x2000, gBG3Buffer + 0x400);
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tmp = ((tmp >> 4) << 1);
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if (this->unk_3c != tmp) {
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this->unk_3c = tmp;
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gScreen.bg1.updated = 1;
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}
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}
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void sub_08058004(u32 unk1, void* src, void* dest) {
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u32 tmp = 0x20;
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src += (unk1 >> 4) << 2;
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for (tmp; tmp != 0; tmp--) {
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DmaCopy16(3, src, dest, 0x20 * 2);
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src += 0x100;
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dest += 0x40;
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}
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}
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void sub_08058034(void) {
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u32 tmp;
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u16 *tmp2, *tmp3;
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tmp2 = gMapDataTopSpecial;
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tmp3 = gMapDataTopSpecial + 0x2000;
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for (tmp = 0; tmp < 4; tmp++) {
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sub_08058084(tmp2, tmp3);
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tmp2 += 0x400;
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tmp3 += 0x20;
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}
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tmp2 = gMapDataTopSpecial + 0x1000;
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tmp3 = gMapDataTopSpecial + 0x3000;
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for (tmp = 0; tmp < 4; tmp++) {
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sub_08058084(tmp2, tmp3);
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tmp2 += 0x400;
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tmp3 += 0x20;
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}
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}
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void sub_08058084(u16* unk1, u16* unk2) {
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u32 tmp;
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for (tmp = 0; tmp < 0x20; tmp++, unk1 += 0x20, unk2 += 0x80) {
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DmaCopy16(3, unk1, unk2, 0x20 * 2);
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}
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}
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void sub_080580B0(u32 unk1) {
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s32 tmp;
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gMapTop.bgSettings = 0;
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REG_DISPCNT = 0;
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LoadGfxGroup(unk1);
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gRoomVars.unk_10[0] = unk1;
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sub_08058034();
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tmp = gRoomControls.scroll_x - gRoomControls.origin_x;
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tmp = tmp + (tmp >> 3) + (0x400 - gRoomControls.width) / 2;
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sub_08058004(tmp, gUnk_02006F00, gBG3Buffer);
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gScreen.bg3.xOffset = tmp & 0xF;
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gScreen.bg3.yOffset = 0x30 - ((0x30 - (gRoomControls.scroll_y - gRoomControls.origin_y)) >> 1); //?
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gScreen.bg3.control = 0x1D09;
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gScreen.bg3.tilemap = gBG3Buffer;
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gScreen.bg3.updated = 1;
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tmp = gRoomControls.scroll_x - gRoomControls.origin_x;
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tmp = tmp + (tmp >> 2) + (0x400 - gRoomControls.width) / 2;
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sub_08058004(tmp, gUnk_02006F00 + 0x2000, gBG3Buffer + 0x400);
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gScreen.bg1.xOffset = tmp & 0xF;
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gScreen.bg1.yOffset = 0x30 - ((0x30 - (gRoomControls.scroll_y - gRoomControls.origin_y)) >> 1); //?
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gScreen.bg1.control = 0x1E09;
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gScreen.bg1.tilemap = gBG3Buffer + 0x400;
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gScreen.bg1.updated = 1;
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gScreen.controls.layerFXControl = 0x3C48;
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gScreen.controls.alphaBlend = 0x609;
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gScreen.lcd.displayControl |= 0xa00;
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}
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