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Review compute_explosion_on_extras

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Closes #47
This commit is contained in:
Alexander Batalov 2023-02-28 11:04:26 +03:00
parent 8ceabd6ca4
commit c1ad84b3b9
1 changed files with 25 additions and 30 deletions
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55
src/game/combat.cc
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@ -2948,7 +2948,7 @@ static int compute_attack(Attack* attack)
void compute_explosion_on_extras(Attack* attack, int a2, bool isGrenade, int a4)
{
// 0x56BD58
Attack temp_ctd;
static Attack temp_ctd;
Object* attacker;
@ -2962,58 +2962,53 @@ void compute_explosion_on_extras(Attack* attack, int a2, bool isGrenade, int a4)
}
}
int tile;
int origin_tile;
if (attacker != NULL) {
tile = attacker->tile;
origin_tile = attacker->tile;
} else {
tile = attack->tile;
origin_tile = attack->tile;
}
if (tile == -1) {
debug_printf("\nError: compute_explosion_on_extras: Called with bad target/tileNum");
return;
}
// TODO: The math in this loop is rather complex and hard to understand.
int v20;
int v22 = 0;
int step;
int radius = 0;
int rotation = 0;
int v5 = -1;
int v19 = tile;
int current_tile = -1;
int current_center_tile = origin_tile;
while (attack->extrasLength < 6) {
if (v22 != 0 && (v5 == -1 || (v5 = tile_num_in_direction(v5, rotation, 1)) != v19)) {
v20++;
if (v20 % v22 == 0) {
if (radius != 0 && (current_tile = tile_num_in_direction(current_tile, rotation, 1)) != current_center_tile) {
step++;
if (step % radius == 0) {
rotation += 1;
if (rotation == ROTATION_COUNT) {
rotation = ROTATION_NE;
}
}
} else {
v22++;
// if (isGrenade && item_w_grenade_dmg_radius(attack->weapon) < v22) {
// v5 = -1;
// } else if (isGrenade || item_w_rocket_dmg_radius(attack->weapon) >= v22) {
// v5 = tile_num_in_direction(v19, ROTATION_NE, 1);
// } else {
// v5 = -1;
// }
radius++;
v19 = v5;
if (isGrenade && radius > 2) {
current_tile = -1;
} else if (!isGrenade && radius > 3) {
current_tile = -1;
} else {
current_tile = tile_num_in_direction(current_center_tile, ROTATION_NE, 1);
}
current_center_tile = current_tile;
rotation = ROTATION_SE;
v20 = 0;
step = 0;
}
if (v5 == -1) {
if (current_tile == -1) {
break;
}
Object* obstacle = obj_blocking_at(attacker, v5, attack->attacker->elevation);
Object* obstacle = obj_blocking_at(attacker, current_tile, attack->attacker->elevation);
if (obstacle != NULL
&& FID_TYPE(obstacle->fid) == OBJ_TYPE_CRITTER
&& (obstacle->data.critter.combat.results & DAM_DEAD) == 0
&& (obstacle->flags & OBJECT_SHOOT_THRU) == 0
&& !combat_is_shot_blocked(obstacle, obstacle->tile, tile, NULL, NULL)) {
&& !combat_is_shot_blocked(obstacle, obstacle->tile, origin_tile, NULL, NULL)) {
if (obstacle == attack->attacker) {
attack->attackerFlags &= ~DAM_HIT;
compute_damage(attack, 1, 2);