mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-11-18 20:47:40 +01:00
471 lines
14 KiB
C
471 lines
14 KiB
C
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// Includes
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#include "global.h"
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#include "main.h"
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#include "menu.h"
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#include "palette.h"
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#include "trig.h"
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#include "region_map.h"
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// Static type declarations
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struct UnkStruct_0203A148 {
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u8 filler_000[0xa74];
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};
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// Static RAM declarations
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EWRAM_DATA struct RegionMap *gRegionMap = NULL;
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EWRAM_DATA struct UnkStruct_0203A148 *gUnknown_0203A148 = NULL;
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// Static ROM declarations
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static u8 ProcessRegionMapInput_Full(void);
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static u8 MoveRegionMapCursor_Full(void);
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static u8 ProcessRegionMapInput_Zoomed(void);
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static u8 MoveRegionMapCursor_Zoomed(void);
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void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f, u8 rotation);
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void sub_81237B4(void);
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void sub_81238AC(void);
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u8 get_flagnr_blue_points(u16 mapSecId);
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u16 sub_8123EB4(u16 mapSecId);
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void sub_8123FB0(void);
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u16 sub_812386C(u16 x, u16 y);
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void sub_812378C(s16 x, s16 y);
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void sub_8124238(void);
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void sub_81243B0(void);
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void sub_81243DC(void);
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// .rodata
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extern const u8 gUnknown_0859F77C[];
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extern const u8 gUnknown_085A04E0[];
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extern const u16 gUnknown_0859F73C[];
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extern const u8 gUnknown_0859F60C[];
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extern const u8 gUnknown_0859F650[];
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// .text
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void InitRegionMap(struct RegionMap *regionMap, bool8 zoomed)
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{
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sub_8122CF8(regionMap, NULL, zoomed);
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while (sub_8122DB0());
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}
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void sub_8122CF8(struct RegionMap *regionMap, struct BgTemplate *template, bool8 zoomed)
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{
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gRegionMap = regionMap;
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gRegionMap->initStep = 0;
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gRegionMap->zoomed = zoomed;
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gRegionMap->inputCallback = zoomed == TRUE ? ProcessRegionMapInput_Zoomed : ProcessRegionMapInput_Full;
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if (template != NULL)
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{
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gRegionMap->bgNum = template->bg;
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gRegionMap->charBaseIdx = template->charBaseIndex;
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gRegionMap->mapBaseIdx = template->mapBaseIndex;
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gRegionMap->bgManaged = TRUE;
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}
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else
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{
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gRegionMap->bgNum = 2;
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gRegionMap->charBaseIdx = 2;
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gRegionMap->mapBaseIdx = 28;
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gRegionMap->bgManaged = FALSE;
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}
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}
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void sub_8122D88(struct RegionMap *regionMap)
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{
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gRegionMap = regionMap;
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sub_81238AC();
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gRegionMap->unk_074 = gRegionMap->cursorPosX;
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gRegionMap->unk_076 = gRegionMap->cursorPosY;
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}
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bool8 sub_8122DB0(void)
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{
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switch (gRegionMap->initStep)
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{
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case 0:
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if (gRegionMap->bgManaged)
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{
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decompress_and_copy_tile_data_to_vram(gRegionMap->bgNum, gUnknown_0859F77C, 0, 0, 0);
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}
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else
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{
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LZ77UnCompVram(gUnknown_0859F77C, (u16 *)BG_SCREEN_ADDR(16));
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}
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break;
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case 1:
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if (gRegionMap->bgManaged)
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{
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if (!free_temp_tile_data_buffers_if_possible())
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{
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decompress_and_copy_tile_data_to_vram(gRegionMap->bgNum, gUnknown_085A04E0, 0, 0, 1);
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}
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}
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else
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{
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LZ77UnCompVram(gUnknown_085A04E0, (u16 *)BG_SCREEN_ADDR(28));
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}
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break;
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case 2:
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if (!free_temp_tile_data_buffers_if_possible())
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{
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LoadPalette(gUnknown_0859F73C, 0x70, 0x60);
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}
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break;
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case 3:
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LZ77UnCompWram(gUnknown_0859F60C, gRegionMap->cursorSmallImage);
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break;
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case 4:
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LZ77UnCompWram(gUnknown_0859F650, gRegionMap->cursorLargeImage);
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break;
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case 5:
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sub_81238AC();
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gRegionMap->unk_074 = gRegionMap->cursorPosX;
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gRegionMap->unk_076 = gRegionMap->cursorPosY;
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gRegionMap->mapSecId = sub_8123EB4(gRegionMap->mapSecId);
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gRegionMap->unk_002 = get_flagnr_blue_points(gRegionMap->mapSecId);
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GetMapName(gRegionMap->mapSecName, gRegionMap->mapSecId, 16);
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break;
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case 6:
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if (gRegionMap->zoomed == FALSE)
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{
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CalcZoomScrollParams(0, 0, 0, 0, 0x100, 0x100, 0);
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}
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else
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{
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gRegionMap->scrollX = gRegionMap->cursorPosX * 8 - 0x34;
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gRegionMap->scrollY = gRegionMap->cursorPosY * 8 - 0x44;
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gRegionMap->unk_064 = gRegionMap->cursorPosX;
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gRegionMap->unk_066 = gRegionMap->cursorPosY;
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CalcZoomScrollParams(gRegionMap->scrollX, gRegionMap->scrollY, 0x38, 0x48, 0x80, 0x80, 0);
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}
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break;
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case 7:
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sub_8123FB0();
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sub_81237B4();
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gRegionMap->cursorSprite = NULL;
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gRegionMap->playerIconSprite = NULL;
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gRegionMap->cursorMovementFrameCounter = 0;
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gRegionMap->blinkPlayerIcon = FALSE;
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if (gRegionMap->bgManaged)
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{
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SetBgAttribute(gRegionMap->bgNum, BG_CTRL_ATTR_MAPBASEINDEX, 2);
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SetBgAttribute(gRegionMap->bgNum, BG_CTRL_ATTR_VISIBLE, gRegionMap->charBaseIdx);
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SetBgAttribute(gRegionMap->bgNum, BG_CTRL_ATTR_CHARBASEINDEX, gRegionMap->mapBaseIdx);
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SetBgAttribute(gRegionMap->bgNum, BG_CTRL_ATTR_PRIORITY, 1);
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SetBgAttribute(gRegionMap->bgNum, BG_CTRL_ATTR_SCREENSIZE, 1);
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}
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gRegionMap->initStep ++;
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return FALSE;
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default:
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return FALSE;
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}
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gRegionMap->initStep ++;
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return TRUE;
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}
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void sub_8123030(u16 a0, u32 a1)
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{
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BlendPalettes(0x380, a1, a0);
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CpuCopy16(gPlttBufferFaded + 0x70, gPlttBufferUnfaded + 0x70, 0x60);
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}
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void FreeRegionMapIconResources(void)
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{
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if (gRegionMap->cursorSprite != NULL)
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{
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DestroySprite(gRegionMap->cursorSprite);
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FreeSpriteTilesByTag(gRegionMap->cursorTileTag);
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FreeSpritePaletteByTag(gRegionMap->cursorPaletteTag);
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}
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if (gRegionMap->playerIconSprite != NULL)
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{
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DestroySprite(gRegionMap->playerIconSprite);
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FreeSpriteTilesByTag(gRegionMap->playerIconTileTag);
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FreeSpritePaletteByTag(gRegionMap->playerIconPaletteTag);
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}
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}
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u8 sub_81230AC(void)
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{
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return gRegionMap->inputCallback();
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}
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static u8 ProcessRegionMapInput_Full(void)
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{
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u8 input;
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input = INPUT_EVENT_NONE;
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gRegionMap->cursorDeltaX = 0;
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gRegionMap->cursorDeltaY = 0;
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if (gMain.heldKeys & DPAD_UP && gRegionMap->cursorPosY > 2)
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{
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gRegionMap->cursorDeltaY = -1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.heldKeys & DPAD_DOWN && gRegionMap->cursorPosY < 16)
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{
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gRegionMap->cursorDeltaY = +1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.heldKeys & DPAD_LEFT && gRegionMap->cursorPosX > 1)
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{
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gRegionMap->cursorDeltaX = -1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.heldKeys & DPAD_RIGHT && gRegionMap->cursorPosX < 28)
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{
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gRegionMap->cursorDeltaX = +1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.newKeys & A_BUTTON)
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{
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input = INPUT_EVENT_A_BUTTON;
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}
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else if (gMain.newKeys & B_BUTTON)
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{
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input = INPUT_EVENT_B_BUTTON;
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}
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if (input == INPUT_EVENT_MOVE_START)
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{
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gRegionMap->cursorMovementFrameCounter = 4;
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gRegionMap->inputCallback = MoveRegionMapCursor_Full;
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}
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return input;
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}
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static u8 MoveRegionMapCursor_Full(void)
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{
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u16 mapSecId;
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if (gRegionMap->cursorMovementFrameCounter != 0)
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{
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return INPUT_EVENT_MOVE_CONT;
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}
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if (gRegionMap->cursorDeltaX > 0)
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{
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gRegionMap->cursorPosX ++;
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}
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if (gRegionMap->cursorDeltaX < 0)
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{
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gRegionMap->cursorPosX --;
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}
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if (gRegionMap->cursorDeltaY > 0)
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{
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gRegionMap->cursorPosY ++;
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}
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if (gRegionMap->cursorDeltaY < 0)
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{
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gRegionMap->cursorPosY --;
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}
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mapSecId = sub_812386C(gRegionMap->cursorPosX, gRegionMap->cursorPosY);
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gRegionMap->unk_002 = get_flagnr_blue_points(mapSecId);
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if (mapSecId != gRegionMap->mapSecId)
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{
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gRegionMap->mapSecId = mapSecId;
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GetMapName(gRegionMap->mapSecName, gRegionMap->mapSecId, 16);
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}
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sub_8123FB0();
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gRegionMap->inputCallback = ProcessRegionMapInput_Full;
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return INPUT_EVENT_MOVE_END;
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}
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static u8 ProcessRegionMapInput_Zoomed(void)
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{
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u8 input;
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input = INPUT_EVENT_NONE;
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gRegionMap->zoomedCursorDeltaX = 0;
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gRegionMap->zoomedCursorDeltaY = 0;
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if (gMain.heldKeys & DPAD_UP && gRegionMap->scrollY > -0x34)
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{
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gRegionMap->zoomedCursorDeltaY = -1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.heldKeys & DPAD_DOWN && gRegionMap->scrollY < 0x3c)
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{
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gRegionMap->zoomedCursorDeltaY = +1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.heldKeys & DPAD_LEFT && gRegionMap->scrollX > -0x2c)
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{
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gRegionMap->zoomedCursorDeltaX = -1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.heldKeys & DPAD_RIGHT && gRegionMap->scrollX < 0xac)
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{
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gRegionMap->zoomedCursorDeltaX = +1;
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input = INPUT_EVENT_MOVE_START;
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}
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if (gMain.newKeys & A_BUTTON)
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{
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input = INPUT_EVENT_A_BUTTON;
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}
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if (gMain.newKeys & B_BUTTON)
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{
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input = INPUT_EVENT_B_BUTTON;
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}
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if (input == INPUT_EVENT_MOVE_START)
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{
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gRegionMap->inputCallback = MoveRegionMapCursor_Zoomed;
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gRegionMap->zoomedCursorMovementFrameCounter = 0;
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}
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return input;
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}
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static u8 MoveRegionMapCursor_Zoomed(void)
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{
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u16 x;
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u16 y;
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u16 mapSecId;
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gRegionMap->scrollY += gRegionMap->zoomedCursorDeltaY;
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gRegionMap->scrollX += gRegionMap->zoomedCursorDeltaX;
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sub_812378C(gRegionMap->scrollX, gRegionMap->scrollY);
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gRegionMap->zoomedCursorMovementFrameCounter ++;
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if (gRegionMap->zoomedCursorMovementFrameCounter == 8)
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{
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x = (gRegionMap->scrollX + 0x2c) / 8 + 1;
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y = (gRegionMap->scrollY + 0x34) / 8 + 2;
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if (x != gRegionMap->unk_064 || y != gRegionMap->unk_066)
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{
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gRegionMap->unk_064 = x;
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gRegionMap->unk_066 = y;
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mapSecId = sub_812386C(x, y);
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gRegionMap->unk_002 = get_flagnr_blue_points(mapSecId);
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if (mapSecId != gRegionMap->mapSecId)
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{
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gRegionMap->mapSecId = mapSecId;
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GetMapName(gRegionMap->mapSecName, gRegionMap->mapSecId, 16);
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}
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sub_8123FB0();
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}
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gRegionMap->zoomedCursorMovementFrameCounter = 0;
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gRegionMap->inputCallback = ProcessRegionMapInput_Zoomed;
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return INPUT_EVENT_MOVE_END;
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}
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return INPUT_EVENT_MOVE_CONT;
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}
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void sub_8123418(void)
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{
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if (gRegionMap->zoomed == FALSE)
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{
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gRegionMap->scrollY = 0;
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gRegionMap->scrollX = 0;
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gRegionMap->unk_040 = 0;
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gRegionMap->unk_03c = 0;
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gRegionMap->unk_060 = gRegionMap->cursorPosX * 8 - 0x34;
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gRegionMap->unk_062 = gRegionMap->cursorPosY * 8 - 0x44;
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gRegionMap->unk_044 = (gRegionMap->unk_060 << 8) / 16;
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gRegionMap->unk_048 = (gRegionMap->unk_062 << 8) / 16;
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gRegionMap->unk_064 = gRegionMap->cursorPosX;
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gRegionMap->unk_066 = gRegionMap->cursorPosY;
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gRegionMap->unk_04c = 0x10000;
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gRegionMap->unk_050 = -0x800;
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}
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else
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{
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gRegionMap->unk_03c = gRegionMap->scrollX * 256;
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gRegionMap->unk_040 = gRegionMap->scrollY * 256;
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gRegionMap->unk_060 = 0;
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gRegionMap->unk_062 = 0;
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gRegionMap->unk_044 = -(gRegionMap->unk_03c / 16);
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gRegionMap->unk_048 = -(gRegionMap->unk_040 / 16);
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gRegionMap->cursorPosX = gRegionMap->unk_064;
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gRegionMap->cursorPosY = gRegionMap->unk_066;
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gRegionMap->unk_04c = 0x8000;
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gRegionMap->unk_050 = 0x800;
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}
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gRegionMap->unk_06e = 0;
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sub_8124238();
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sub_81243B0();
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}
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u8 sub_8123514(void)
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{
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u8 r4;
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if (gRegionMap->unk_06e >= 16)
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return 0;
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gRegionMap->unk_06e ++;
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if (gRegionMap->unk_06e == 16)
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{
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gRegionMap->unk_044 = 0;
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gRegionMap->unk_048 = 0;
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gRegionMap->scrollX = gRegionMap->unk_060;
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gRegionMap->scrollY = gRegionMap->unk_062;
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gRegionMap->unk_04c = (gRegionMap->zoomed == FALSE) ? (128 << 8) : (256 << 8);
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gRegionMap->zoomed = !gRegionMap->zoomed;
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gRegionMap->inputCallback = (gRegionMap->zoomed == FALSE) ? ProcessRegionMapInput_Full : ProcessRegionMapInput_Zoomed;
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CreateRegionMapCursor(gRegionMap->cursorTileTag, gRegionMap->cursorPaletteTag);
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sub_81243DC();
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r4 = 0;
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}
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else
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{
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gRegionMap->unk_03c += gRegionMap->unk_044;
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gRegionMap->unk_040 += gRegionMap->unk_048;
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gRegionMap->scrollX = gRegionMap->unk_03c >> 8;
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gRegionMap->scrollY = gRegionMap->unk_040 >> 8;
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gRegionMap->unk_04c += gRegionMap->unk_050;
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if ((gRegionMap->unk_044 < 0 && gRegionMap->scrollX < gRegionMap->unk_060)
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|| (gRegionMap->unk_044 > 0 && gRegionMap->scrollX > gRegionMap->unk_060))
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{
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gRegionMap->scrollX = gRegionMap->unk_060;
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gRegionMap->unk_044 = 0;
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}
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if ((gRegionMap->unk_048 < 0 && gRegionMap->scrollY < gRegionMap->unk_062)
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|| (gRegionMap->unk_048 > 0 && gRegionMap->scrollY > gRegionMap->unk_062))
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{
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gRegionMap->scrollY = gRegionMap->unk_062;
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gRegionMap->unk_048 = 0;
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}
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if (gRegionMap->zoomed == FALSE)
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{
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if (gRegionMap->unk_04c < (128 << 8))
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{
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gRegionMap->unk_04c = (128 << 8);
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gRegionMap->unk_050 = 0;
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}
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}
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else
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{
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if (gRegionMap->unk_04c > (256 << 8))
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{
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gRegionMap->unk_04c = (256 << 8);
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gRegionMap->unk_050 = 0;
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}
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}
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r4 = 1;
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}
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CalcZoomScrollParams(gRegionMap->scrollX, gRegionMap->scrollY, 0x38, 0x48, gRegionMap->unk_04c >> 8, gRegionMap->unk_04c >> 8, 0);
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return r4;
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}
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void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f, u8 rotation)
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{
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s32 var1;
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s32 var2;
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s32 var3;
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s32 var4;
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gRegionMap->bg2pa = e * gSineTable[rotation + 64] >> 8;
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gRegionMap->bg2pb = e * -gSineTable[rotation] >> 8;
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gRegionMap->bg2pc = f * gSineTable[rotation] >> 8;
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gRegionMap->bg2pd = f * gSineTable[rotation + 64] >> 8;
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var1 = (scrollX << 8) + (c << 8);
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var2 = d * gRegionMap->bg2pc + gRegionMap->bg2pa * c;
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gRegionMap->bg2x = var1 - var2;
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var3 = (scrollY << 8) + (d << 8);
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var4 = gRegionMap->bg2pd * d + gRegionMap->bg2pb * c;
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gRegionMap->bg2y = var3 - var4;
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gRegionMap->needUpdateVideoRegs = TRUE;
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}
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