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37 lines
913 B
C
37 lines
913 B
C
#include "global.h"
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#include "globaldata.h"
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#include "position_util.h"
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#include "constants/direction.h"
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static const s32 sFacingDirMapping[3][3] = {
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{DIRECTION_NORTHWEST, DIRECTION_NORTH, DIRECTION_NORTHEAST},
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{DIRECTION_WEST, DIRECTION_SOUTH, DIRECTION_EAST},
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{DIRECTION_SOUTHWEST, DIRECTION_SOUTH, DIRECTION_SOUTHEAST}
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};
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s32 GetDirectionTowardsPosition(DungeonPos *originPos, DungeonPos *targetPos)
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{
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s32 xDiff = targetPos->x - originPos->x;
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s32 yDiff = targetPos->y - originPos->y;
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if (xDiff == 0 && yDiff == 0)
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return DIRECTION_SOUTH;
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if (xDiff >= 1)
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xDiff = 1;
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if (yDiff >= 1)
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yDiff = 1;
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if (xDiff <= -1)
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xDiff = -1;
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if (yDiff <= -1)
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yDiff = -1;
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return sFacingDirMapping[yDiff + 1][xDiff + 1];
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}
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s32 GetDistance(DungeonPos *pos1, DungeonPos *pos2)
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{
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return max(abs(pos1->x - pos2->x), abs(pos1->y - pos2->y));
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}
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