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103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
#include "global.h"
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#include "gflib.h"
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#include "task.h"
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#include "wild_encounter.h"
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// Not actually "old" given these were introduced in Gen 3,
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// but they're used as equivalents here alongside the other OLD_UNOWN
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// #define SPECIES_OLD_UNOWN_EMARK (NUM_SPECIES + 0)
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// #define SPECIES_OLD_UNOWN_QMARK (NUM_SPECIES + 1)
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static void Task_SmoothBlendLayers(u8 taskId);
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#define tEvA data[0]
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#define tEvB data[1]
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#define tEvAEnd data[2]
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#define tEvBEnd data[3]
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#define tEvADelta data[4]
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#define tEvBDelta data[5]
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#define tEvWhich data[6]
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#define tEvStepCount data[8]
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void StartBlendTask(u8 eva_start, u8 evb_start, u8 eva_end, u8 evb_end, u8 ev_step, u8 priority)
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{
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u8 taskId = CreateTask(Task_SmoothBlendLayers, priority);
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gTasks[taskId].tEvA = eva_start << 8;
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gTasks[taskId].tEvB = evb_start << 8;
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gTasks[taskId].tEvAEnd = eva_end;
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gTasks[taskId].tEvBEnd = evb_end;
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gTasks[taskId].tEvADelta = (eva_end - eva_start) * 256 / ev_step;
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gTasks[taskId].tEvBDelta = (evb_end - evb_start) * 256 / ev_step;
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gTasks[taskId].tEvStepCount = ev_step;
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SetGpuReg(REG_OFFSET_BLDALPHA, (evb_start << 8) | eva_start);
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}
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bool8 IsBlendTaskActive(void)
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{
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return FuncIsActiveTask(Task_SmoothBlendLayers);
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}
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static void Task_SmoothBlendLayers(u8 taskId)
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{
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s16 * data = gTasks[taskId].data;
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if (tEvStepCount != 0)
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{
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if (tEvWhich == 0)
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{
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tEvA += tEvADelta;
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tEvWhich = 1;
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}
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else
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{
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if (--tEvStepCount != 0)
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{
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tEvB += tEvBDelta;
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}
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else
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{
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tEvA = tEvAEnd << 8;
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tEvB = tEvBEnd << 8;
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}
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tEvWhich = 0;
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}
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SetGpuReg(REG_OFFSET_BLDALPHA, (tEvB & ~0xFF) | ((u16)tEvA >> 8));
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if (tEvStepCount == 0)
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DestroyTask(taskId);
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}
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}
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u8 Menu2_GetMonSpriteAnchorCoord(u16 species, u32 personality, u8 a2)
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{
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// if (species == SPECIES_UNOWN)
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// {
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// u8 unownLetter = GetUnownLetterByPersonalityLoByte(personality);
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// switch (unownLetter)
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// {
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// case 0:
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// break;
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// case 26:
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// species = SPECIES_OLD_UNOWN_EMARK;
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// break;
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// case 27:
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// species = SPECIES_OLD_UNOWN_QMARK;
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// break;
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// default:
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// species = SPECIES_OLD_UNOWN_B + unownLetter - 1;
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// break;
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// }
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// }
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// if (species != SPECIES_NONE && a2 < 5)
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// {
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// species--;
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// if (sMonSpriteAnchorCoords[species][a2] != 0xFF)
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// return sMonSpriteAnchorCoords[species][a2];
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// }
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return 32;
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}
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s8 Menu2_GetMonSpriteAnchorCoordMinusx20(u16 species, u32 personality, u8 a2)
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{
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return Menu2_GetMonSpriteAnchorCoord(species, personality, a2) - 32;
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}
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