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Make monsters aim vertically

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This commit is contained in:
Miloslav Číž 2020-11-19 17:00:40 +01:00
parent 12f8c967fb
commit 48780a539a
1 changed files with 23 additions and 12 deletions
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35
game.h
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@ -2227,8 +2227,6 @@ void SFG_monsterPerformAI(SFG_MonsterRecord *monster)
- 128 * SFG_MONSTER_AIM_RANDOMNESS + - 128 * SFG_MONSTER_AIM_RANDOMNESS +
SFG_random() * SFG_MONSTER_AIM_RANDOMNESS; SFG_random() * SFG_MONSTER_AIM_RANDOMNESS;
dir = RCL_normalize(dir);
uint8_t projectile; uint8_t projectile;
switch (SFG_GET_MONSTER_ATTACK_TYPE(monsterNumber)) switch (SFG_GET_MONSTER_ATTACK_TYPE(monsterNumber))
@ -2270,15 +2268,22 @@ void SFG_monsterPerformAI(SFG_MonsterRecord *monster)
currentHeight) currentHeight)
); );
uint8_t spriteSize = SFG_GET_MONSTER_SPRITE_SIZE( RCL_Unit middleHeight = currentHeight +
SFG_MONSTER_TYPE_TO_INDEX(SFG_MR_TYPE(*monster))); SFG_SPRITE_SIZE_TO_HEIGHT_ABOVE_GROUND(SFG_GET_MONSTER_SPRITE_SIZE(
SFG_MONSTER_TYPE_TO_INDEX(SFG_MR_TYPE(*monster))));
RCL_Unit verticalSpeed = (SFG_GET_PROJECTILE_SPEED_UPS(projectile) *
SFG_directionTangent(dir.x,dir.y,SFG_player.camera.height -
middleHeight)) / RCL_UNITS_PER_SQUARE;
dir = RCL_normalize(dir);
SFG_launchProjectile( SFG_launchProjectile(
projectile, projectile,
pos, pos,
currentHeight + SFG_SPRITE_SIZE_TO_HEIGHT_ABOVE_GROUND(spriteSize), middleHeight,
dir, dir,
0, verticalSpeed,
SFG_PROJECTILE_SPAWN_OFFSET SFG_PROJECTILE_SPAWN_OFFSET
); );
} // if visible } // if visible
@ -2894,6 +2899,16 @@ static inline uint16_t SFG_getMapRevealBit(uint8_t squareX, uint8_t squareY)
return 1 << ((squareY / 16) * 4 + squareX / 16); return 1 << ((squareY / 16) * 4 + squareX / 16);
} }
RCL_Unit SFG_directionTangent(RCL_Unit dirX, RCL_Unit dirY, RCL_Unit dirZ)
{
RCL_Vector2D v;
v.x = dirX;
v.y = dirY;
return (dirZ * RCL_UNITS_PER_SQUARE) / RCL_len(v);
}
/** /**
Returns a tangent in RCL_Unit of vertical autoaim, given current game state. Returns a tangent in RCL_Unit of vertical autoaim, given current game state.
*/ */
@ -2932,12 +2947,8 @@ RCL_Unit SFG_autoaimVertically()
SFG_SPRITE_SIZE_TO_HEIGHT_ABOVE_GROUND(spriteSize); SFG_SPRITE_SIZE_TO_HEIGHT_ABOVE_GROUND(spriteSize);
if (SFG_spriteIsVisible(worldPosition,worldHeight)) if (SFG_spriteIsVisible(worldPosition,worldHeight))
{ return SFG_directionTangent(toMonster.x,toMonster.y,
RCL_Unit distance = RCL_len(toMonster); worldHeight - (SFG_player.camera.height));
return ((worldHeight - SFG_player.camera.height) * RCL_UNITS_PER_SQUARE)
/ distance;
}
} }
} }