mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-12-26 03:34:15 +01:00
581 lines
20 KiB
C
581 lines
20 KiB
C
#include "global.h"
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#include "bg.h"
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#include "m4a.h"
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#include "main.h"
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#include "malloc.h"
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#include "palette.h"
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#include "pokedex_cry_screen.h"
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#include "sound.h"
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#include "trig.h"
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#include "window.h"
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// Cry meter needle positions
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//
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// 0
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// 32 . . -32
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// . .
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// 64 . . -64
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// . .
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// . .
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// 96 . . -96
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// 127
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//
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#define MIN_NEEDLE_POS 32
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#define MAX_NEEDLE_POS -32
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#define NEEDLE_MOVE_INCREMENT 5
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#define WAVEFORM_WINDOW_HEIGHT 56
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#define TAG_NEEDLE 0x2000
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struct PokedexCryMeterNeedle {
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s8 rotation;
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s8 targetRotation;
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u8 moveIncrement;
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u16 spriteId;
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};
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struct PokedexCryScreen
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{
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u8 cryWaveformBuffer[16];
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u8 cryState;
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u8 playhead;
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u8 waveformPreviousY;
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u16 unk; // Never read
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u8 playStartPos;
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u16 species;
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u8 cryOverrideCountdown;
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u8 cryRepeatDelay;
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};
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static void PlayCryScreenCry(u16);
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static void BufferCryWaveformSegment(void);
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static void DrawWaveformFlatline(void);
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static void AdvancePlayhead(u8);
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static void DrawWaveformSegment(u8, u8);
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static void DrawWaveformWindow(u8);
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static void ShiftWaveformOver(u8, s16, bool8);
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static void SpriteCB_CryMeterNeedle(struct Sprite *);
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static void SetCryMeterNeedleTarget(s8);
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// IWRAM common
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u8 gDexCryScreenState;
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// EWRAM vars
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static EWRAM_DATA struct PokedexCryScreen *sDexCryScreen = NULL;
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static EWRAM_DATA u8 *sCryWaveformWindowTiledata = NULL;
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static EWRAM_DATA struct PokedexCryMeterNeedle *sCryMeterNeedle = NULL;
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static const u16 sCryMeterNeedle_Pal[] = INCBIN_U16("graphics/pokedex/cry_meter_needle.gbapal");
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static const u8 sCryMeterNeedle_Gfx[] = INCBIN_U8("graphics/pokedex/cry_meter_needle.4bpp");
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static const u16 sCryMeter_Tilemap[] = INCBIN_U16("graphics/pokedex/cry_meter_map.bin"); // Unused
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static const u16 sCryMeter_Pal[] = INCBIN_U16("graphics/pokedex/cry_meter.gbapal");
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static const u8 sCryMeter_Gfx[] = INCBIN_U8("graphics/pokedex/cry_meter.4bpp.lz");
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static const u16 sWaveformOffsets[][72] =
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{
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{
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0x0000, 0x0004, 0x0008, 0x000C, 0x0010, 0x0014, 0x0018, 0x001C,
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0x0400, 0x0404, 0x0408, 0x040C, 0x0410, 0x0414, 0x0418, 0x041C,
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0x0800, 0x0804, 0x0808, 0x080C, 0x0810, 0x0814, 0x0818, 0x081C,
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0x0C00, 0x0C04, 0x0C08, 0x0C0C, 0x0C10, 0x0C14, 0x0C18, 0x0C1C,
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0x1000, 0x1004, 0x1008, 0x100C, 0x1010, 0x1014, 0x1018, 0x101C,
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0x1400, 0x1404, 0x1408, 0x140C, 0x1410, 0x1414, 0x1418, 0x141C,
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0x1800, 0x1804, 0x1808, 0x180C, 0x1810, 0x1814, 0x1818, 0x181C,
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0x1C00, 0x1C04, 0x1C08, 0x1C0C, 0x1C10, 0x1C14, 0x1C18, 0x1C1C,
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0x2000, 0x2004, 0x2008, 0x200C, 0x2010, 0x2014, 0x2018, 0x201C
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}, {
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0x0000, 0x0004, 0x0008, 0x000C, 0x0010, 0x0014, 0x0018, 0x001C,
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0x0400, 0x0404, 0x0408, 0x040C, 0x0410, 0x0414, 0x0418, 0x041C,
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0x0800, 0x0804, 0x0808, 0x080C, 0x0810, 0x0814, 0x0818, 0x081C,
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0x0C00, 0x0C04, 0x0C08, 0x0C0C, 0x0C10, 0x0C14, 0x0C18, 0x0C1C,
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0x1000, 0x1004, 0x1008, 0x100C, 0x1010, 0x1014, 0x1018, 0x101C,
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0x1400, 0x1404, 0x1408, 0x140C, 0x1410, 0x1414, 0x1418, 0x141C,
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0x1800, 0x1804, 0x1808, 0x180C, 0x1810, 0x1814, 0x1818, 0x181C,
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0x1C00, 0x1C04, 0x1C08, 0x1C0C, 0x1C10, 0x1C14, 0x1C18, 0x1C1C,
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0x2000, 0x2004, 0x2008, 0x200C, 0x2010, 0x2014, 0x2018, 0x201C
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}, {
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0x0001, 0x0005, 0x0009, 0x000D, 0x0011, 0x0015, 0x0019, 0x001D,
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0x0401, 0x0405, 0x0409, 0x040D, 0x0411, 0x0415, 0x0419, 0x041D,
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0x0801, 0x0805, 0x0809, 0x080D, 0x0811, 0x0815, 0x0819, 0x081D,
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0x0C01, 0x0C05, 0x0C09, 0x0C0D, 0x0C11, 0x0C15, 0x0C19, 0x0C1D,
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0x1001, 0x1005, 0x1009, 0x100D, 0x1011, 0x1015, 0x1019, 0x101D,
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0x1401, 0x1405, 0x1409, 0x140D, 0x1411, 0x1415, 0x1419, 0x141D,
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0x1801, 0x1805, 0x1809, 0x180D, 0x1811, 0x1815, 0x1819, 0x181D,
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0x1C01, 0x1C05, 0x1C09, 0x1C0D, 0x1C11, 0x1C15, 0x1C19, 0x1C1D,
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0x2001, 0x2005, 0x2009, 0x200D, 0x2011, 0x2015, 0x2019, 0x201D
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}, {
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0x0001, 0x0005, 0x0009, 0x000D, 0x0011, 0x0015, 0x0019, 0x001D,
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0x0401, 0x0405, 0x0409, 0x040D, 0x0411, 0x0415, 0x0419, 0x041D,
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0x0801, 0x0805, 0x0809, 0x080D, 0x0811, 0x0815, 0x0819, 0x081D,
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0x0C01, 0x0C05, 0x0C09, 0x0C0D, 0x0C11, 0x0C15, 0x0C19, 0x0C1D,
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0x1001, 0x1005, 0x1009, 0x100D, 0x1011, 0x1015, 0x1019, 0x101D,
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0x1401, 0x1405, 0x1409, 0x140D, 0x1411, 0x1415, 0x1419, 0x141D,
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0x1801, 0x1805, 0x1809, 0x180D, 0x1811, 0x1815, 0x1819, 0x181D,
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0x1C01, 0x1C05, 0x1C09, 0x1C0D, 0x1C11, 0x1C15, 0x1C19, 0x1C1D,
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0x2001, 0x2005, 0x2009, 0x200D, 0x2011, 0x2015, 0x2019, 0x201D
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}, {
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0x0002, 0x0006, 0x000A, 0x000E, 0x0012, 0x0016, 0x001A, 0x001E,
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0x0402, 0x0406, 0x040A, 0x040E, 0x0412, 0x0416, 0x041A, 0x041E,
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0x0802, 0x0806, 0x080A, 0x080E, 0x0812, 0x0816, 0x081A, 0x081E,
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0x0C02, 0x0C06, 0x0C0A, 0x0C0E, 0x0C12, 0x0C16, 0x0C1A, 0x0C1E,
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0x1002, 0x1006, 0x100A, 0x100E, 0x1012, 0x1016, 0x101A, 0x101E,
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0x1402, 0x1406, 0x140A, 0x140E, 0x1412, 0x1416, 0x141A, 0x141E,
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0x1802, 0x1806, 0x180A, 0x180E, 0x1812, 0x1816, 0x181A, 0x181E,
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0x1C02, 0x1C06, 0x1C0A, 0x1C0E, 0x1C12, 0x1C16, 0x1C1A, 0x1C1E,
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0x2002, 0x2006, 0x200A, 0x200E, 0x2012, 0x2016, 0x201A, 0x201E
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}, {
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0x0002, 0x0006, 0x000A, 0x000E, 0x0012, 0x0016, 0x001A, 0x001E,
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0x0402, 0x0406, 0x040A, 0x040E, 0x0412, 0x0416, 0x041A, 0x041E,
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0x0802, 0x0806, 0x080A, 0x080E, 0x0812, 0x0816, 0x081A, 0x081E,
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0x0C02, 0x0C06, 0x0C0A, 0x0C0E, 0x0C12, 0x0C16, 0x0C1A, 0x0C1E,
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0x1002, 0x1006, 0x100A, 0x100E, 0x1012, 0x1016, 0x101A, 0x101E,
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0x1402, 0x1406, 0x140A, 0x140E, 0x1412, 0x1416, 0x141A, 0x141E,
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0x1802, 0x1806, 0x180A, 0x180E, 0x1812, 0x1816, 0x181A, 0x181E,
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0x1C02, 0x1C06, 0x1C0A, 0x1C0E, 0x1C12, 0x1C16, 0x1C1A, 0x1C1E,
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0x2002, 0x2006, 0x200A, 0x200E, 0x2012, 0x2016, 0x201A, 0x201E
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}, {
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0x0003, 0x0007, 0x000B, 0x000F, 0x0013, 0x0017, 0x001B, 0x001F,
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0x0403, 0x0407, 0x040B, 0x040F, 0x0413, 0x0417, 0x041B, 0x041F,
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0x0803, 0x0807, 0x080B, 0x080F, 0x0813, 0x0817, 0x081B, 0x081F,
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0x0C03, 0x0C07, 0x0C0B, 0x0C0F, 0x0C13, 0x0C17, 0x0C1B, 0x0C1F,
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0x1003, 0x1007, 0x100B, 0x100F, 0x1013, 0x1017, 0x101B, 0x101F,
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0x1403, 0x1407, 0x140B, 0x140F, 0x1413, 0x1417, 0x141B, 0x141F,
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0x1803, 0x1807, 0x180B, 0x180F, 0x1813, 0x1817, 0x181B, 0x181F,
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0x1C03, 0x1C07, 0x1C0B, 0x1C0F, 0x1C13, 0x1C17, 0x1C1B, 0x1C1F,
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0x2003, 0x2007, 0x200B, 0x200F, 0x2013, 0x2017, 0x201B, 0x201F
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}, {
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0x0003, 0x0007, 0x000B, 0x000F, 0x0013, 0x0017, 0x001B, 0x001F,
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0x0403, 0x0407, 0x040B, 0x040F, 0x0413, 0x0417, 0x041B, 0x041F,
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0x0803, 0x0807, 0x080B, 0x080F, 0x0813, 0x0817, 0x081B, 0x081F,
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0x0C03, 0x0C07, 0x0C0B, 0x0C0F, 0x0C13, 0x0C17, 0x0C1B, 0x0C1F,
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0x1003, 0x1007, 0x100B, 0x100F, 0x1013, 0x1017, 0x101B, 0x101F,
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0x1403, 0x1407, 0x140B, 0x140F, 0x1413, 0x1417, 0x141B, 0x141F,
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0x1803, 0x1807, 0x180B, 0x180F, 0x1813, 0x1817, 0x181B, 0x181F,
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0x1C03, 0x1C07, 0x1C0B, 0x1C0F, 0x1C13, 0x1C17, 0x1C1B, 0x1C1F,
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0x2003, 0x2007, 0x200B, 0x200F, 0x2013, 0x2017, 0x201B, 0x201F
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}
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};
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static const u16 sCryScreenBg_Pal[] = INCBIN_U16("graphics/pokedex/cry_screen_bg.gbapal");
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static const u8 sCryScreenBg_Gfx[] = INCBIN_U8("graphics/pokedex/cry_screen_bg.4bpp");
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static const u8 sWaveformTileDataNybbleMasks[] = {0xF0, 0x0F};
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// Waveform is blue in the middle (8) grading to white at peaks (15)
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// Split into two arrays for the two vertical slice halves
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static const u8 sWaveformColor[][16] =
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{
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{
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15, 14, 13, 12, 11, 10, 9, 8,
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8, 9, 10, 11, 12, 13, 14, 15,
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}, {
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15 << 4, 14 << 4, 13 << 4, 12 << 4, 11 << 4, 10 << 4, 9 << 4, 8 << 4,
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8 << 4, 9 << 4, 10 << 4, 11 << 4, 12 << 4, 13 << 4, 14 << 4, 15 << 4,
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}
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};
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static const union AnimCmd sSpriteAnim_CryMeterNeedle[] =
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{
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ANIMCMD_FRAME(0, 30),
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ANIMCMD_END
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};
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static const union AnimCmd *const sSpriteAnimTable_CryMeterNeedle[] =
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{
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sSpriteAnim_CryMeterNeedle
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};
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static const struct OamData sOamData_CryMeterNeedle =
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{
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.y = DISPLAY_HEIGHT,
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.affineMode = ST_OAM_AFFINE_NORMAL,
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.objMode = ST_OAM_OBJ_NORMAL,
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.bpp = ST_OAM_4BPP,
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.shape = SPRITE_SHAPE(64x64),
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.x = 0,
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.size = SPRITE_SIZE(64x64),
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.tileNum = 0,
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.priority = 1,
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.paletteNum = 0,
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};
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static const struct SpriteTemplate sCryMeterNeedleSpriteTemplate =
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{
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.tileTag = TAG_NEEDLE,
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.paletteTag = TAG_NEEDLE,
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.oam = &sOamData_CryMeterNeedle,
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.anims = sSpriteAnimTable_CryMeterNeedle,
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.images = NULL,
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.affineAnims = gDummySpriteAffineAnimTable,
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.callback = SpriteCB_CryMeterNeedle
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};
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static const struct SpriteSheet sCryMeterNeedleSpriteSheets[] =
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{
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{sCryMeterNeedle_Gfx, sizeof(sCryMeterNeedle_Gfx), TAG_NEEDLE},
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{}
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};
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static const struct SpritePalette sCryMeterNeedleSpritePalettes[] =
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{
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{sCryMeterNeedle_Pal, TAG_NEEDLE},
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{}
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};
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bool8 LoadCryWaveformWindow(struct CryScreenWindow *window, u8 windowId)
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{
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u8 i;
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u8 finished = FALSE;
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switch (gDexCryScreenState)
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{
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case 0:
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if (!sDexCryScreen)
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{
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sDexCryScreen = AllocZeroed(sizeof(*sDexCryScreen));
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sCryWaveformWindowTiledata = (u8 *)GetWindowAttribute(windowId, WINDOW_TILE_DATA);
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}
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sDexCryScreen->unk = window->unk0;
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sDexCryScreen->playStartPos = window->yPos;
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sDexCryScreen->cryOverrideCountdown = 0;
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sDexCryScreen->cryRepeatDelay = 0;
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sDexCryScreen->cryState = 0;
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sDexCryScreen->waveformPreviousY = WAVEFORM_WINDOW_HEIGHT / 2;
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sDexCryScreen->playhead = 0;
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ShiftWaveformOver(windowId, -8 * window->xPos, TRUE); // Does nothing
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for (i = 0; i < 224; i++)
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CopyToWindowPixelBuffer(windowId, sCryScreenBg_Gfx, TILE_SIZE_4BPP, i);
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gDexCryScreenState++;
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break;
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case 1:
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for (i = 0; i < sDexCryScreen->playStartPos * 8; i++)
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DrawWaveformSegment(i, 0);
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gDexCryScreenState++;
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break;
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case 2:
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DrawWaveformWindow(windowId);
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LoadPalette(sCryScreenBg_Pal, BG_PLTT_ID(window->paletteNo), PLTT_SIZE_4BPP);
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finished = TRUE;
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break;
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}
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return finished;
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}
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void UpdateCryWaveformWindow(u8 windowId)
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{
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u8 waveformIdx;
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DrawWaveformWindow(windowId);
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AdvancePlayhead(windowId);
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// Cry cant be replayed until this counter is done
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if (sDexCryScreen->cryRepeatDelay)
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sDexCryScreen->cryRepeatDelay--;
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// Once a cry replay has started, it waits for this countdown before playing
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if (sDexCryScreen->cryOverrideCountdown)
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{
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sDexCryScreen->cryOverrideCountdown--;
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if (!sDexCryScreen->cryOverrideCountdown)
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{
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PlayCryScreenCry(sDexCryScreen->species);
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DrawWaveformFlatline();
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return;
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}
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}
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// No cry playing
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if (sDexCryScreen->cryState == 0)
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{
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DrawWaveformFlatline();
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return;
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}
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// Cry playing, buffer waveform
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if (sDexCryScreen->cryState == 1)
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{
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BufferCryWaveformSegment();
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}
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else if (sDexCryScreen->cryState > 8)
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{
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// Buffered waveform exhausted, end or buffer more
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if (!IsCryPlaying())
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{
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DrawWaveformFlatline();
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sDexCryScreen->cryState = 0;
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return;
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}
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BufferCryWaveformSegment();
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sDexCryScreen->cryState = 1;
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}
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// Draw cry
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waveformIdx = 2 * (sDexCryScreen->cryState - 1);
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DrawWaveformSegment(sDexCryScreen->playStartPos * 8 + sDexCryScreen->playhead - 2, sDexCryScreen->cryWaveformBuffer[waveformIdx]);
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DrawWaveformSegment(sDexCryScreen->playStartPos * 8 + sDexCryScreen->playhead - 1, sDexCryScreen->cryWaveformBuffer[waveformIdx + 1]);
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sDexCryScreen->cryState++;
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}
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void CryScreenPlayButton(u16 species)
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{
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if (gMPlayInfo_BGM.status & MUSICPLAYER_STATUS_PAUSE && !sDexCryScreen->cryOverrideCountdown)
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{
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if (!sDexCryScreen->cryRepeatDelay)
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{
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sDexCryScreen->cryRepeatDelay = 4;
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if (IsCryPlaying() == TRUE)
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{
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StopCry();
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sDexCryScreen->species = species;
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sDexCryScreen->cryOverrideCountdown = 2;
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}
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else
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{
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PlayCryScreenCry(species);
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}
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}
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}
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}
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static void PlayCryScreenCry(u16 species)
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{
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PlayCry_NormalNoDucking(species, 0, CRY_VOLUME_RS, CRY_PRIORITY_NORMAL);
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sDexCryScreen->cryState = 1;
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}
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static void BufferCryWaveformSegment(void)
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{
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u8 i;
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s8 *baseBuffer;
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s8 *buffer;
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if (gPcmDmaCounter < 2)
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baseBuffer = gSoundInfo.pcmBuffer;
|
|
else
|
|
baseBuffer = gSoundInfo.pcmBuffer + (gSoundInfo.pcmDmaPeriod + 1 - gPcmDmaCounter) * gSoundInfo.pcmSamplesPerVBlank;
|
|
|
|
buffer = baseBuffer + 0x630;
|
|
for (i = 0; i < ARRAY_COUNT(sDexCryScreen->cryWaveformBuffer); i++)
|
|
sDexCryScreen->cryWaveformBuffer[i] = buffer[i * 2] * 2;
|
|
}
|
|
|
|
static void DrawWaveformFlatline(void)
|
|
{
|
|
DrawWaveformSegment(sDexCryScreen->playStartPos * 8 + sDexCryScreen->playhead - 2, 0);
|
|
DrawWaveformSegment(sDexCryScreen->playStartPos * 8 + sDexCryScreen->playhead - 1, 0);
|
|
}
|
|
|
|
static void AdvancePlayhead(u8 windowId)
|
|
{
|
|
u8 i;
|
|
u16 offset;
|
|
|
|
ShiftWaveformOver(windowId, sDexCryScreen->playhead, FALSE);
|
|
sDexCryScreen->playhead += 2;
|
|
offset = (sDexCryScreen->playhead / 8 + sDexCryScreen->playStartPos + 1) % 32;
|
|
for (i = 0; i < 7; i++)
|
|
CopyToWindowPixelBuffer(windowId, sCryScreenBg_Gfx, TILE_SIZE_4BPP, offset + (i * TILE_SIZE_4BPP));
|
|
}
|
|
|
|
// Waveform segments are drawn in alternate vertical slices
|
|
// Note that the waveform isnt put on screen until DrawWaveformWindow
|
|
static void DrawWaveformSegment(u8 position, u8 amplitude)
|
|
{
|
|
// Position is a bitfield containing the play start pos, the playhead pos, and which vertical slice half to draw
|
|
#define PLAY_START_POS (position >> 3)
|
|
#define PLAYHEAD_POS (position & ((1 << 3) - 1))
|
|
#define VERT_SLICE (position & 1)
|
|
|
|
u8 currentPointY;
|
|
u8 nybble;
|
|
u16 offset;
|
|
u16 temp;
|
|
u8 y;
|
|
|
|
temp = (amplitude + 127) * 256;
|
|
y = temp / 1152.0;
|
|
if (y > WAVEFORM_WINDOW_HEIGHT - 1)
|
|
y = WAVEFORM_WINDOW_HEIGHT - 1;
|
|
currentPointY = y;
|
|
nybble = VERT_SLICE;
|
|
if (y > sDexCryScreen->waveformPreviousY)
|
|
{
|
|
// Current point lower than previous point, draw point and draw line up to previous
|
|
do
|
|
{
|
|
offset = sWaveformOffsets[PLAYHEAD_POS][y] + PLAY_START_POS * TILE_SIZE_4BPP;
|
|
sCryWaveformWindowTiledata[offset] &= sWaveformTileDataNybbleMasks[nybble];
|
|
sCryWaveformWindowTiledata[offset] |= sWaveformColor[nybble][((y / 3) - 1) & 0x0F];
|
|
y--;
|
|
} while (y > sDexCryScreen->waveformPreviousY);
|
|
}
|
|
else
|
|
{
|
|
// Current point higher than previous point, draw point and draw line down to previous
|
|
do
|
|
{
|
|
offset = sWaveformOffsets[PLAYHEAD_POS][y] + PLAY_START_POS * TILE_SIZE_4BPP;
|
|
sCryWaveformWindowTiledata[offset] &= sWaveformTileDataNybbleMasks[nybble];
|
|
sCryWaveformWindowTiledata[offset] |= sWaveformColor[nybble][((y / 3) - 1) & 0x0F];
|
|
y++;
|
|
} while (y < sDexCryScreen->waveformPreviousY);
|
|
}
|
|
|
|
sDexCryScreen->waveformPreviousY = currentPointY;
|
|
}
|
|
|
|
static void DrawWaveformWindow(u8 windowId)
|
|
{
|
|
CopyWindowToVram(windowId, COPYWIN_GFX);
|
|
}
|
|
|
|
// rsVertical is leftover from a very different version of this function in RS
|
|
// In RS, when TRUE it would use VOFS and when FALSE it would use HOFS (only FALSE was used)
|
|
// Here when TRUE it does nothing
|
|
static void ShiftWaveformOver(u8 windowId, s16 offset, bool8 rsVertical)
|
|
{
|
|
if (!rsVertical)
|
|
{
|
|
u8 bg = GetWindowAttribute(windowId, WINDOW_BG);
|
|
ChangeBgX(bg, offset << 8, BG_COORD_SET);
|
|
}
|
|
}
|
|
|
|
bool8 LoadCryMeter(struct CryScreenWindow *window, u8 windowId)
|
|
{
|
|
bool8 finished = FALSE;
|
|
|
|
switch (gDexCryScreenState)
|
|
{
|
|
case 0:
|
|
if (!sCryMeterNeedle)
|
|
sCryMeterNeedle = AllocZeroed(sizeof(*sCryMeterNeedle));
|
|
|
|
CopyToWindowPixelBuffer(windowId, sCryMeter_Gfx, 0, 0);
|
|
LoadPalette(sCryMeter_Pal, BG_PLTT_ID(window->paletteNo), PLTT_SIZE_4BPP);
|
|
gDexCryScreenState++;
|
|
break;
|
|
case 1:
|
|
LoadSpriteSheets(sCryMeterNeedleSpriteSheets);
|
|
LoadSpritePalettes(sCryMeterNeedleSpritePalettes);
|
|
sCryMeterNeedle->spriteId = CreateSprite(&sCryMeterNeedleSpriteTemplate, 40 + window->xPos * 8, 56 + window->yPos * 8, 1);
|
|
sCryMeterNeedle->rotation = MIN_NEEDLE_POS;
|
|
sCryMeterNeedle->targetRotation = MIN_NEEDLE_POS;
|
|
sCryMeterNeedle->moveIncrement = 0;
|
|
finished = TRUE;
|
|
break;
|
|
}
|
|
|
|
return finished;
|
|
}
|
|
|
|
void FreeCryScreen(void)
|
|
{
|
|
FreeSpritePaletteByTag(GetSpritePaletteTagByPaletteNum(gSprites[sCryMeterNeedle->spriteId].oam.paletteNum));
|
|
DestroySprite(gSprites + sCryMeterNeedle->spriteId);
|
|
FREE_AND_SET_NULL(sDexCryScreen);
|
|
FREE_AND_SET_NULL(sCryMeterNeedle);
|
|
}
|
|
|
|
static void SpriteCB_CryMeterNeedle(struct Sprite *sprite)
|
|
{
|
|
u16 i;
|
|
s8 peakAmplitude;
|
|
s16 x;
|
|
s16 y;
|
|
struct ObjAffineSrcData affine;
|
|
struct OamMatrix matrix;
|
|
u8 amplitude;
|
|
|
|
gSprites[sCryMeterNeedle->spriteId].oam.affineMode = ST_OAM_AFFINE_NORMAL;
|
|
gSprites[sCryMeterNeedle->spriteId].oam.affineParam = 0;
|
|
|
|
// While no cry is playing, cryState is 0
|
|
// While cry is playing, cryState loops 1-8
|
|
switch (sDexCryScreen->cryState)
|
|
{
|
|
case 0:
|
|
sCryMeterNeedle->targetRotation = MIN_NEEDLE_POS;
|
|
if (sCryMeterNeedle->rotation > 0)
|
|
{
|
|
if (sCryMeterNeedle->moveIncrement != 1)
|
|
sCryMeterNeedle->moveIncrement--;
|
|
}
|
|
else
|
|
{
|
|
sCryMeterNeedle->moveIncrement = NEEDLE_MOVE_INCREMENT;
|
|
}
|
|
break;
|
|
case 2:
|
|
peakAmplitude = 0;
|
|
for (i = 0; i < ARRAY_COUNT(sDexCryScreen->cryWaveformBuffer); i++)
|
|
{
|
|
if (peakAmplitude < sDexCryScreen->cryWaveformBuffer[i])
|
|
peakAmplitude = sDexCryScreen->cryWaveformBuffer[i];
|
|
}
|
|
SetCryMeterNeedleTarget(peakAmplitude * 208 / 256);
|
|
break;
|
|
case 6:
|
|
// To introduce some randomness, needle jumps to set pos in waveform rather than peak
|
|
amplitude = sDexCryScreen->cryWaveformBuffer[10];
|
|
SetCryMeterNeedleTarget(amplitude * 208 / 256);
|
|
break;
|
|
}
|
|
|
|
if (sCryMeterNeedle->rotation == sCryMeterNeedle->targetRotation)
|
|
{
|
|
// Empty, needle has reached target
|
|
}
|
|
else if (sCryMeterNeedle->rotation < sCryMeterNeedle->targetRotation)
|
|
{
|
|
// Rotate needle left
|
|
sCryMeterNeedle->rotation += sCryMeterNeedle->moveIncrement;
|
|
if (sCryMeterNeedle->rotation > sCryMeterNeedle->targetRotation)
|
|
{
|
|
sCryMeterNeedle->rotation = sCryMeterNeedle->targetRotation;
|
|
sCryMeterNeedle->targetRotation = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Rotate needle right
|
|
sCryMeterNeedle->rotation -= sCryMeterNeedle->moveIncrement;
|
|
if (sCryMeterNeedle->rotation < sCryMeterNeedle->targetRotation)
|
|
{
|
|
sCryMeterNeedle->rotation = sCryMeterNeedle->targetRotation;
|
|
sCryMeterNeedle->targetRotation = 0;
|
|
}
|
|
}
|
|
|
|
affine.xScale = 256;
|
|
affine.yScale = 256;
|
|
affine.rotation = sCryMeterNeedle->rotation * 256;
|
|
ObjAffineSet(&affine, &matrix, 1, 2);
|
|
SetOamMatrix(0, matrix.a, matrix.b, matrix.c, matrix.d);
|
|
x = gSineTable[((sCryMeterNeedle->rotation + 0x7F) & 0xFF)];
|
|
y = gSineTable[((sCryMeterNeedle->rotation + 0x7F) & 0xFF) + 64];
|
|
sprite->x2 = x * 24 / 256;
|
|
sprite->y2 = y * 24 / 256;
|
|
}
|
|
|
|
static void SetCryMeterNeedleTarget(s8 offset)
|
|
{
|
|
u16 rotation = (MIN_NEEDLE_POS - offset) & 0xFF;
|
|
|
|
// Min is positive, max is negative. Make sure needle hasnt moved out of bounds
|
|
if (rotation > MIN_NEEDLE_POS && rotation < (u8)MAX_NEEDLE_POS)
|
|
rotation = (u8)MAX_NEEDLE_POS;
|
|
|
|
sCryMeterNeedle->targetRotation = rotation;
|
|
sCryMeterNeedle->moveIncrement = NEEDLE_MOVE_INCREMENT;
|
|
}
|
|
|