/*
* BreakHack - A dungeone crawler RPG
* Copyright (C) 2025 Linus Probert <linus.probert@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include "texturecache.h"
#include "skill.h"
#include "util.h"
#include "player.h"
#include "roommatrix.h"
#include "stats.h"
#include "monster.h"
#include "mixer.h"
#include "gui.h"
#include "random.h"
#include "particle_engine.h"
#include "projectile.h"
#include "linkedlist.h"
#include "item.h"
#include "animation.h"
#include "artifact.h"
#include "trap.h"
#include "tooltip.h"
#include "actiontextbuilder.h"
#include "effect_util.h"
static char *flurry_tooltip[] = {
"FLURRY", "",
"",
" Hits an adjecant enemy with a flurry of three strikes.", "",
" Each strike has the same odds of hitting as a regular attack", "",
"",
"COOLDOWN:", "",
" 5 turns", "",
"",
"USAGE:", "",
" activate the skill (press ", "1", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "", "",
NULL
};
static char *vampiric_blow_tooltip[] = {
"VAMPIRIC BLOW", "",
"",
" Hits an adjecant enemy with a vampiric blow.", "",
" Upon hitting you will siphon life from the target", "",
" and cause the target to bleed.", "",
"",
"COOLDOWN:", "",
" 5 turns", "",
"",
"USAGE:", "",
" activate the skill (press ", "1", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "", "",
NULL
};
static char *bash_tooltip[] = {
"BASH", "",
"",
" Bashes an adjecant enemy with your shield", "",
" On a successful hit the target will be stunned for 2 turns", "",
"",
"COOLDOWN:", "",
" 3 turns", "",
"",
"USAGE:", "",
" activate the skill (press ", "2", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *trip_tooltip[] = {
"TRIP", "",
"",
" Trips an adjecant enemy causing him to fall (move), in", "",
" the direction you tripped it in.", "",
" On a successful hit the enemy will also be stunned." "",
"",
" This can be combined with traps and pits to great effect.", "",
"",
"COOLDOWN:", "",
" 3 turns", "",
"",
"USAGE:", "",
" activate the skill (press ", "2", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *backstab_tooltip[] = {
"BACKSTAB", "",
"",
" You flip over an adjecant enemy taking it's place and", "",
" it taking yours, finnishing off with a stab in the back", "",
" of your foe.", "",
" A successful attack will also leave the enemy stunned.", "",
"",
"COOLDOWN:", "",
" 5 turns", "",
"",
"USAGE:", "",
" activate the skill (press ", "1", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *phase_tooltip[] = {
"PHASE", "",
"",
" You phase out of existence for a time. While you are phased you", "",
" are unaffected by gravity, traps and enemies won't see you.", "",
" You can also pass through enemies.", "",
"",
" The effect lasts for 3 turns", "",
"",
"COOLDOWN:", "",
" 8 turns", "",
"",
"USAGE:",
" activate the skill (press ", "3", ")", "",
" then move as normal", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *charge_tooltip[] = {
"CHARGE", "",
"",
" You charge in a chosen direction into the first obstructing", "",
" object. Charging into an enemy can deliver massive damage.", "",
"",
" Damage is affected by charge distance.", "",
" Longer distance, more damage.", "",
"",
"COOLDOWN:", "",
" 5 turns", "",
"",
"USAGE:",
" activate the skill (press ", "3", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *blink_tooltip[] = {
"BLINK", "",
"",
" You blink in a chosen direction into the first obstructing", "",
" object picking up items in your path. Monsters will not", "",
" obstruct your blink.", "",
"",
"COOLDOWN:", "",
" 4 turns", "",
"",
"USAGE:",
" activate the skill (press ", "3", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *erupt_tooltip[] = {
"ERUPT", "",
"",
" You erupt in a magical explosion damaging monsters", "",
" around you pushing them back and causing fear", "",
" for 3 turns.", "",
"",
"COOLDOWN:", "",
" 3 turns", "",
"",
"USAGE:",
" Erupt (press ", "2", ")", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *dagger_tooltip[] = {
"THROW DAGGER", "",
"",
" You throw a dagger in the chosen direction.", "",
"",
" Damage is affected by throwing distance.", "",
" Longer distance, more damage.", "",
"",
" Dagger supply is not infinite, your current dagger", "",
" inventory is displayed in the panel to the right.", "",
"",
"COOLDOWN:", "",
" 0 turns", "",
"",
"USAGE:", "",
" activate the skill (press ", "4", ")", "",
" followed by a direction (left, right, up or down)", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static char *health_tooltip[] = {
"DRINK HEALTH", "",
"",
" You take a sip from your health vial", "",
"",
" The current amount of sips in your vials is", "",
" displayed in the panel to the right.", "",
"",
"COOLDOWN:", "",
" 0 turns", "",
"",
"USAGE:", "",
" Sip health (press ", "5", ")", "",
"",
"",
"Press ", "ESC", " to close", "",
NULL
};
static void
perform_pickups_for_space(RoomSpace *space, Player *player)
{
// Pick up items in the path
LinkedList *items = space->items;
while (items != NULL) {
Item *item = items->data;
items = items->next;
item_collected(item, player);
}
LinkedList *artifacts = space->artifacts;
while (artifacts != NULL) {
Artifact *artifact = artifacts->data;
artifacts = artifacts->next;
player_add_artifact(player, artifact);
}
}
static void
handle_space_effects(RoomSpace *space,
Player *player)
{
if (space->lethal)
player_set_falling(player);
else if (space->trap)
trap_activate(space->trap, player);
LinkedList *objects = space->objects;
while (objects) {
object_damage(objects->data, player);
objects = objects->next;
}
}
static Skill *
create_default(const char *s_label, Sprite *s)
{
Skill *skill = ec_malloc(sizeof(Skill));
m_strcpy(skill->label, 20, s_label);
skill->resetTime = 5;
skill->resetCountdown = 0;
skill->icon = s;
skill->actionRequired = true;
skill->instantUse = false;
skill->active = false;
skill->available = NULL;
skill->use = NULL;
skill->levelcap = 1;
skill->tooltip = NULL;
return skill;
}
static bool
check_skill_validity(Position *playerPos, Position *targetPos, SkillData *data)
{
*playerPos = position_to_matrix_coords(&data->player->sprite->pos);
*targetPos = *playerPos;
targetPos->x += (int) data->direction.x;
targetPos->y += (int) data->direction.y;
player_turn(data->player, &data->direction);
if (!position_in_roommatrix(targetPos)) {
return false;
}
return true;
}
static bool
vampiric_blow_skill(Skill *skill, SkillData *data)
{
UNUSED (skill);
Position playerPos, targetPos;
Player *player = data->player;
if (!check_skill_validity(&playerPos, &targetPos, data)) {
return false;
}
animation_run(player->swordAnimation);
Monster *monster = data->matrix->spaces[targetPos.x][targetPos.y].monster;
mixer_play_effect(SWING0);
if (monster) {
gui_log("You attack %s with a vampiric blow", monster->lclabel);
player->stats.advantage = true;
CombatResult result = stats_fight(&player->stats, &monster->stats);
player->stats.advantage = false;
monster_hit(monster, result.dmg, result.critical);
if (result.dmg) {
mixer_play_effect(SWORD_HIT);
monster_set_bleeding(monster);
unsigned int gain = player->stats.lvl * 3;
gain = min(gain, (unsigned int) player->stats.maxhp - player->stats.hp);
if (gain > 0) {
gui_log("You gain %u health", gain);
char msg[4];
m_sprintf(msg, 4, "+%u", gain);
actiontextbuilder_create_text(msg,
C_GREEN,
&player->sprite->pos);
player->stats.hp += gain;
player->stats.hp = min(player->stats.maxhp,
player->stats.hp);
}
} else {
gui_log("You missed %s", monster->lclabel);
}
} else {
gui_log("You swing at thin air with a vampiric blow");
}
player_monster_kill_check(data->player, monster);
return true;
}
static Skill *
create_vampiric_blow(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(0, 64);
s->fixed = true;
Skill *skill = create_default("Vampiric blow", s);
skill->levelcap = 2;
skill->use = vampiric_blow_skill;
skill->resetTime = 5;
return skill;
}
static bool
skill_use_flurry(Skill *skill, SkillData *data)
{
UNUSED (skill);
Position playerPos, targetPos;
if (!check_skill_validity(&playerPos, &targetPos, data)) {
return false;
}
animation_run(data->player->swordAnimation);
Monster *monster = data->matrix->spaces[targetPos.x][targetPos.y].monster;
mixer_play_effect(TRIPPLE_SWING);
if (monster) {
gui_log("You attack %s with a flurry of strikes", monster->lclabel);
unsigned int hitCount = 0;
for (size_t i = 0; i < 3; ++i) {
unsigned int originalHp = monster->stats.hp;
CombatResult result = stats_fight(&data->player->stats, &monster->stats);
if (result.dmg > 0 && originalHp > 0) {
gui_log("You hit for %u damage", result.dmg);
hitCount++;
}
monster_hit(monster, result.dmg, result.critical);
}
if (hitCount == 1) {
mixer_play_effect(SWORD_HIT);
} else if (hitCount == 2) {
mixer_play_effect(DOUBLE_SWORD_HIT);
} else if (hitCount == 3) {
mixer_play_effect(TRIPPLE_SWORD_HIT);
}
} else {
gui_log("You swing at thin air with a flurry of strikes");
}
player_monster_kill_check(data->player, monster);
return true;
}
static Skill *
create_flurry(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(0, 0);
s->fixed = true;
Skill *skill = create_default("Flurry", s);
skill->levelcap = 2;
skill->use = skill_use_flurry;
return skill;
}
static bool
skill_throw_dagger_available(Player *player)
{
return player->daggers > 0;
}
static bool
skill_throw_dagger(Skill *skill, SkillData *data)
{
UNUSED(skill);
if (data->player->daggers == 0)
return false;
data->player->daggers--;
Projectile *p = projectile_dagger_create();
if (vector2d_equals(VECTOR2D_UP, data->direction)) {
p->velocity = (Vector2d) { 0, -DAGGER_VELOCITY };
p->sprite->flip = SDL_FLIP_VERTICAL;
}
else if (vector2d_equals(VECTOR2D_DOWN, data->direction)) {
p->velocity = (Vector2d) { 0, DAGGER_VELOCITY };
p->sprite->flip = SDL_FLIP_HORIZONTAL;
}
else if (vector2d_equals(VECTOR2D_RIGHT, data->direction)) {
p->velocity = (Vector2d) { DAGGER_VELOCITY, 0 };
p->sprite->flip = SDL_FLIP_HORIZONTAL;
}
else {
p->velocity = (Vector2d) { -DAGGER_VELOCITY, 0 };
p->sprite->angle = -270;
}
player_turn(data->player, &data->direction);
mixer_play_effect(SWOOSH);
p->sprite->pos = data->player->sprite->pos;
linkedlist_append(&data->player->projectiles, p);
return true;
}
static Skill *
create_throw_dagger(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(64, 0);
s->fixed = true;
Skill *skill = create_default("Throw dagger", s);
skill->levelcap = 1;
skill->instantUse = false;
skill->resetTime = 1;
skill->available = skill_throw_dagger_available;
skill->use = skill_throw_dagger;
skill->actionRequired = false;
return skill;
}
static bool
skill_bash(Skill *skill, SkillData *data)
{
UNUSED (skill);
Position playerPos, targetPos;
if (!check_skill_validity(&playerPos, &targetPos, data)) {
return false;
}
animation_run(data->player->swordAnimation);
Monster *monster = data->matrix->spaces[targetPos.x][targetPos.y].monster;
mixer_play_effect(SWING0);
if (monster) {
gui_log("You bash %s with your shield", monster->lclabel);
CombatResult result = stats_fight(&data->player->stats, &monster->stats);
if (result.dmg > 0) {
gui_log("You hit for %u damage", result.dmg);
if (monster->stats.hp > 0) {
gui_log("%s seems dazed and confused", monster->label);
monster_set_state(monster, STUNNED,
(Uint8) (3 + player_has_artifact(data->player, INCREASED_STUN)));
}
mixer_play_effect(SLAM);
} else {
gui_log("You missed %s", monster->lclabel);
}
monster_hit(monster, result.dmg, result.critical);
} else {
gui_log("You bash your shield at nothing");
}
player_monster_kill_check(data->player, monster);
return true;
}
static Skill *
create_bash(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(96, 0);
s->fixed = true;
Skill *skill = create_default("Bash", s);
skill->levelcap = 3;
skill->instantUse = false;
skill->resetTime = 3;
skill->available = NULL;
skill->use = skill_bash;
skill->actionRequired = true;
return skill;
}
static bool
skill_trip(Skill *skill, SkillData *data)
{
UNUSED (skill);
Position playerPos, targetPos;
if (!check_skill_validity(&playerPos, &targetPos, data)) {
return false;
}
RoomSpace *space = &data->matrix->spaces[targetPos.x][targetPos.y];
mixer_play_effect(SWING0 + get_random(2));
animation_run(data->player->swordAnimation);
if (space->monster) {
CombatResult result = stats_fight(&data->player->stats, &space->monster->stats);
if (result.dmg)
mixer_play_effect(SWORD_HIT);
gui_log("You trip %s causing it to fall away from you", space->monster->lclabel);
monster_hit(space->monster, result.dmg, result.critical);
player_monster_kill_check(data->player, space->monster);
if (result.dmg && space->monster->stats.hp > 0) {
Uint32 pushCount = 1 + player_has_artifact(data->player, PUSH_BACK);
for (Uint32 i = 0; i < pushCount; ++i) {
monster_push(space->monster, data->player, data->matrix, data->direction);
if (space->monster->stats.hp <= 0 || space->monster->sprite->state == SPRITE_STATE_FALLING) {
break;
}
}
monster_set_state(space->monster, STUNNED, (Uint8)(2 + player_has_artifact(data->player, INCREASED_STUN)));
}
} else {
gui_log("You flail at the air");
}
return true;
}
static Skill *
create_trip(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(32, 32);
s->fixed = true;
Skill *skill = create_default("Trip", s);
skill->levelcap = 3;
skill->instantUse = false;
skill->resetTime = 2;
skill->available = NULL;
skill->use = skill_trip;
skill->actionRequired = true;
return skill;
}
static bool
skill_backstab(Skill *skill, SkillData *data)
{
UNUSED(skill);
Position playerPos, targetPos;
if (!check_skill_validity(&playerPos, &targetPos, data)) {
return false;
}
RoomSpace *targetSpace = &data->matrix->spaces[targetPos.x][targetPos.y];
if (targetSpace->occupied) {
return false;
}
Vector2d reverseDirection = data->direction;
reverseDirection.x *= -1;
reverseDirection.y *= -1;
mixer_play_effect(SWING0 + get_random(2));
data->player->sprite->pos.x += (int) data->direction.x * TILE_DIMENSION;
data->player->sprite->pos.y += (int) data->direction.y * TILE_DIMENSION;
player_turn(data->player, &reverseDirection);
animation_run(data->player->swordAnimation);
if (targetSpace->monster) {
Monster *m = targetSpace->monster;
monster_push(m, data->player, data->matrix, reverseDirection);
m->stats.disadvantage = true;
CombatResult result = stats_fight(&data->player->stats, &m->stats);
m->stats.disadvantage = false;
monster_hit(m, result.dmg, result.critical);
player_monster_kill_check(data->player, m);
if (result.dmg) {
mixer_play_effect(SWORD_HIT);
monster_set_bleeding(m);
}
}
perform_pickups_for_space(targetSpace, data->player);
handle_space_effects(targetSpace, data->player);
return true;
}
static Skill *
create_backstab(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(0, 32);
s->fixed = true;
Skill *skill = create_default("Backstab", s);
skill->levelcap = 2;
skill->instantUse = false;
skill->resetTime = 2;
skill->available = NULL;
skill->use = skill_backstab;
skill->actionRequired = true;
return skill;
}
static bool
skill_phase(Skill *skill, SkillData *data)
{
UNUSED(skill);
mixer_play_effect(FADE_OUT);
data->player->phase_count = 3;
return true;
}
static Skill *
create_phase(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(96, 32);
s->fixed = true;
Skill *skill = create_default("Phase", s);
skill->levelcap = 4;
skill->instantUse = true;
skill->resetTime = 6;
skill->available = NULL;
skill->use = skill_phase;
skill->actionRequired = false;
return skill;
}
static bool
skill_sip_health_available(Player *player)
{
bool hasSips = player->class == MAGE ?
player->potion_sips > 1 : player->potion_sips > 0;
return hasSips > 0 && player->stats.hp != player->stats.maxhp;
}
static bool
skill_sip_health(Skill *skill, SkillData *data)
{
UNUSED (skill);
player_sip_health(data->player);
return true;
}
static Skill *
create_sip_health(void)
{
Texture *t = texturecache_add("Items/Potion.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = DEFAULT_DIMENSION;
s->clip = CLIP16(0, 0);
s->fixed = true;
Skill *skill = create_default("Sip health", s);
skill->levelcap = 1;
skill->instantUse = true;
skill->available = skill_sip_health_available;
skill->use = skill_sip_health;
skill->resetTime = 0;
return skill;
}
static void
skill_charge_check_path(SkillData *data,
Position origin,
Position dest)
{
RoomMatrix *matrix = data->matrix;
Player *player = data->player;
Position itPos = origin;
Position lastPos = dest;
lastPos.x += (int) data->direction.x * 2;
lastPos.y += (int) data->direction.y * 2;
Uint8 steps = 1;
while (position_in_roommatrix(&itPos) && !position_equals(&itPos, &lastPos)) {
RoomSpace *space = &matrix->spaces[itPos.x][itPos.y];
if (space->monster) {
Monster *monster = matrix->spaces[itPos.x][itPos.y].monster;
Stats tmpStats = player->stats;
tmpStats.dmg *= steps > 0 ? steps : 1;
mixer_play_effect(SWING0 + get_random(2));
CombatResult result = stats_fight(&tmpStats, &monster->stats);
if (result.dmg > 0) {
gui_log("You charged %s for %u damage", monster->lclabel, result.dmg);
mixer_play_effect(SWORD_HIT);
}
monster_hit(monster, result.dmg, result.critical);
player_monster_kill_check(data->player, monster);
}
perform_pickups_for_space(space, player);
if (space->trap)
space->trap->sprite->animate = true;
itPos.x += (int) data->direction.x;
itPos.y += (int) data->direction.y;
steps++;
}
}
static bool
skill_charge(Skill *skill, SkillData *data)
{
UNUSED(skill);
Player *player = data->player;
RoomMatrix *matrix = data->matrix;
Position playerStartPos = position_to_matrix_coords(&player->sprite->pos);
Position destination = playerStartPos;
// Find collider
destination.x += (int) data->direction.x;
destination.y += (int) data->direction.y;
RoomSpace *space = &matrix->spaces[destination.x][destination.y];
Uint32 passThroughCount = 0;
Uint32 chargeThroughLvl = player_has_artifact(data->player, CHARGE_THROUGH);
Position lastAvailableDest = playerStartPos;
while (position_in_roommatrix(&destination))
{
if (space->occupied || space->monster) {
if (!space->monster || passThroughCount >= chargeThroughLvl)
break;
else
passThroughCount++;
} else {
lastAvailableDest = destination;
}
destination.x += (int) data->direction.x;
destination.y += (int) data->direction.y;
space = &matrix->spaces[destination.x][destination.y];
}
destination = lastAvailableDest;
// Move player
Position playerOriginPos = player->sprite->pos;
Sint32 xdiff = destination.x - playerStartPos.x;
Sint32 ydiff = destination.y - playerStartPos.y;
player->sprite->pos.x += xdiff * TILE_DIMENSION;
player->sprite->pos.y += ydiff * TILE_DIMENSION;
Position playerDestinationPos = player->sprite->pos;
player_turn(data->player, &data->direction);
// Add motion particles
bool horizontal = data->direction.x != 0;
Dimension particleArea;
if (horizontal)
particleArea = (Dimension) { abs(xdiff) * TILE_DIMENSION, TILE_DIMENSION };
else
particleArea = (Dimension) { TILE_DIMENSION, abs(ydiff) * TILE_DIMENSION };
Position speedLinePos;
if (playerOriginPos.x < playerDestinationPos.x || playerOriginPos.y < playerDestinationPos.y)
speedLinePos = playerOriginPos;
else
speedLinePos = playerDestinationPos;
particle_engine_speed_lines(speedLinePos, particleArea, horizontal);
mixer_play_effect(SWOOSH);
skill_charge_check_path(data, playerStartPos, destination);
Position lastTilePos = position_to_matrix_coords(&playerDestinationPos);
RoomSpace *destSpace = &matrix->spaces[lastTilePos.x][lastTilePos.y];
handle_space_effects(destSpace, player);
return true;
}
static Skill *
create_charge(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(32, 0);
s->fixed = true;
Skill *skill = create_default("Charge", s);
skill->levelcap = 4;
skill->use = skill_charge;
return skill;
}
static bool
skill_blink(Skill *skill, SkillData *data)
{
UNUSED(skill);
Player *player = data->player;
RoomMatrix *matrix = data->matrix;
Position playerStartPos = position_to_matrix_coords(&player->sprite->pos);
Position destination = playerStartPos;
// Find collider
destination.x += (int) data->direction.x;
destination.y += (int) data->direction.y;
Position lastAvailableDest = playerStartPos;
while (position_in_roommatrix(&destination))
{
RoomSpace *space = &matrix->spaces[destination.x][destination.y];
if (space->occupied) {
break;
}
if (!space->monster) {
lastAvailableDest = destination;
}
perform_pickups_for_space(space, player);
destination.x += (int) data->direction.x;
destination.y += (int) data->direction.y;
}
destination = lastAvailableDest;
// Move player
Position playerOriginPos = player->sprite->pos;
Sint32 xdiff = destination.x - playerStartPos.x;
Sint32 ydiff = destination.y - playerStartPos.y;
player->sprite->pos.x += xdiff * TILE_DIMENSION;
player->sprite->pos.y += ydiff * TILE_DIMENSION;
Position playerDestinationPos = player->sprite->pos;
player_turn(data->player, &data->direction);
particle_engine_blink(playerOriginPos, DIM(32, 32));
particle_engine_blink(playerDestinationPos, DIM(32, 32));
mixer_play_effect(BLINK_EFFECT);
Position lastTilePos = position_to_matrix_coords(&playerDestinationPos);
RoomSpace *destSpace = &matrix->spaces[lastTilePos.x][lastTilePos.y];
handle_space_effects(destSpace, player);
return true;
}
static Skill *
create_blink(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
Sprite *s = sprite_create();
sprite_set_texture(s, t, 0);
s->dim = GAME_DIMENSION;
s->clip = CLIP32(64, 64);
s->fixed = true;
Skill *skill = create_default("Blink", s);
skill->levelcap = 3;
skill->use = skill_blink;
skill->resetTime = 4;
return skill;
}
static bool
skill_erupt(Skill *skill, SkillData *data)
{
UNUSED(skill);
Player *player = data->player;
RoomMatrix *rm = data->matrix;
gui_log("You erupt in a magical explosion");
particle_engine_eldritch_explosion(player->sprite->pos, DIM(32, 32));
mixer_play_effect(BLAST_EFFECT);
Position playerMPos = position_to_matrix_coords(&player->sprite->pos);
int range = player_has_artifact(player, SKILL_RADIUS);
for (Sint32 i = -1 - range; i <= 1 + range; ++i) {
for (Sint32 j = -1 - range; j <= 1 + range; ++j) {
if (i == 0 && j == 0)
continue;
Position matrixPos = POS(playerMPos.x + i, playerMPos.y + j);
if (!position_in_roommatrix(&matrixPos))
continue;
RoomSpace *r = &rm->spaces[matrixPos.x][matrixPos.y];
if (r->monster) {
player->stats.advantage = true;
CombatResult result = stats_fight(&player->stats, &r->monster->stats);
player->stats.advantage = false;
monster_hit(r->monster, result.dmg, result.critical);
gui_log("%s takes %d damage from the explosion", r->monster->label, result.dmg);
monster_set_state(r->monster, SCARED, 3);
int lvl = 1 + player_has_artifact(player, PUSH_BACK);
Vector2d dir = vector2d_to_direction(&VEC2D((float) i, (float) j));
for (int k = 0; k < lvl; ++k) {
if (r->monster->stats.hp > 0)
monster_push(r->monster,
player,
rm,
dir);
}
}
}
}
return true;
}
static Skill *
create_erupt(void)
{
Texture *t = texturecache_add("Extras/Skills.png");
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