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Let AI shoot

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This commit is contained in:
Miloslav Číž 2019-10-22 16:58:21 +02:00
parent a2a528bf6f
commit f700bc4cf9
1 changed files with 58 additions and 20 deletions
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78
main.c
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@ -1066,6 +1066,23 @@ void SFG_playerRotateWeapon(uint8_t next)
SFG_player.weapon %= 3; SFG_player.weapon %= 3;
} }
/**
Adds new projectile to the current level, return 1 if added, 0 if not (max
count reached).
*/
uint8_t SFG_createProjectile(SFG_ProjectileRecord projectile)
{
if (SFG_currentLevel.projectileRecordCount >= SFG_MAX_PROJECTILES)
return 0;
SFG_currentLevel.projectileRecords[SFG_currentLevel.projectileRecordCount] =
projectile;
SFG_currentLevel.projectileRecordCount++;
return 1;
}
void SFG_monsterPerformAI(SFG_MonsterRecord *monster) void SFG_monsterPerformAI(SFG_MonsterRecord *monster)
{ {
uint8_t state = monster->stateType & SFG_MONSTER_MASK_STATE; uint8_t state = monster->stateType & SFG_MONSTER_MASK_STATE;
@ -1079,8 +1096,46 @@ void SFG_monsterPerformAI(SFG_MonsterRecord *monster)
if (SFG_random() < SFG_AI_RANDOM_CHANGE_PROBABILITY) if (SFG_random() < SFG_AI_RANDOM_CHANGE_PROBABILITY)
{ {
// sometimes randomly change state // sometimes randomly change state
state = (SFG_random() % 4 == 0) ?
SFG_MONSTER_STATE_IDLE : SFG_MONSTER_STATE_ATTACKING; if (SFG_random() % 4 != 0)
{
// attack
state = SFG_MONSTER_STATE_ATTACKING;
SFG_ProjectileRecord p;
p.type = SFG_PROJECTILE_FIREBALL;
p.doubleFramesToLive = 255;
p.position[0] = SFG_MONSTER_COORD_TO_RCL_UNITS(monster->coords[0]);
p.position[1] = SFG_MONSTER_COORD_TO_RCL_UNITS(monster->coords[1]);
p.position[2] =
SFG_floorHeightAt(
SFG_MONSTER_COORD_TO_SQUARES(monster->coords[0]),
SFG_MONSTER_COORD_TO_SQUARES(monster->coords[1])
) + RCL_UNITS_PER_SQUARE / 2;
//RCL_Vector2D dir = RCL_angleToDirection(SFG_player.camera.direction);
RCL_Vector2D dir;
dir.x = SFG_player.camera.position.x - p.position[0];
dir.y = SFG_player.camera.position.y - p.position[1];
dir = RCL_normalize(dir);
p.direction[0] = (dir.x * SFG_ROCKER_MOVE_UNITS_PER_FRAME) / RCL_UNITS_PER_SQUARE;
p.direction[1] = (dir.y * SFG_ROCKER_MOVE_UNITS_PER_FRAME) / RCL_UNITS_PER_SQUARE;
p.direction[2] = 0;
SFG_createProjectile(p);
}
else
state = SFG_MONSTER_STATE_IDLE;
} }
else if (state == SFG_MONSTER_STATE_IDLE) else if (state == SFG_MONSTER_STATE_IDLE)
{ {
@ -1159,23 +1214,6 @@ void SFG_monsterPerformAI(SFG_MonsterRecord *monster)
monster->coords[1] = newPos[1];; monster->coords[1] = newPos[1];;
} }
/**
Adds new projectile to the current level, return 1 if added, 0 if not (max
count reached).
*/
uint8_t SFG_createProjectile(SFG_ProjectileRecord projectile)
{
if (SFG_currentLevel.projectileRecordCount >= SFG_MAX_PROJECTILES)
return 0;
SFG_currentLevel.projectileRecords[SFG_currentLevel.projectileRecordCount] =
projectile;
SFG_currentLevel.projectileRecordCount++;
return 1;
}
/** /**
Pushes a given position away from a center by given distance, with collisions. Pushes a given position away from a center by given distance, with collisions.
*/ */
@ -1690,7 +1728,7 @@ SFG_createProjectile(p);
0) 0)
) )
{ {
eliminate = 1; // eliminate = 1;
break; break;
} }
} }