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#include <stdlib.h>
#include "structures.h"
#include "constantes.h"
#include "target.h"
#include "character.h"
static int compute_damages(const struct character_t *src, const struct character_t *dest,
enum damages_type_t type, enum element_t element)
{
int avg;
int min;
int max;
/* we optimize if the target is invulnerable */
if (element != ELEMENT_NONE && dest->affinities[element] == AFFINITY_INVULNERABILITY)
return 0;
if (type == DAMAGES_PHYSICAL) {
avg = src->strength * 60 - dest->defense * 50;
} else if (type == DAMAGES_MAGICAL) {
avg = src->magic * 60 - dest->spirit * 50;
}
if (avg <= 0)
return 0;
if (element != ELEMENT_NONE) {
switch (dest->affinities[element]) {
case AFFINITY_SENSITIVE:
avg *= 2;
break;
case AFFINITY_RESISTANCE:
avg /= 2;
break;
case AFFINITY_ABSORPTION:
avg = -avg;
break;
case AFFINITY_NONE:
break;
default:
abort();
}
}
if (dest->defensive) {
avg /= 2;
}
min = avg - avg / 4;
max = avg + avg / 4;
return rand() % (max - min + 1) + min;
}
static int compute_cure(const struct character_t *src, const struct character_t *dest)
{
int avg, max, min;
/* TODO maybe we should use the dest to compute the cure ? */
(void) dest;
avg = src->magic * 20;
min = avg - avg / 4;
max = avg + avg / 4;
return rand() % (max - min + 1) + min;
}
static
void __attack(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct character_t *dest)
{
int damages;
damages = compute_damages(src, dest, DAMAGES_PHYSICAL, ELEMENT_NONE);
damage_target_hp(surfaces, positions, dest, damages);
}
void attack(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct target_t *dest, void *data)
{
(void) data;
__attack(surfaces, positions, src, dest->chr);
}
void defend(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct target_t *dest, void *data)
{
(void) data;
(void) dest;
(void) surfaces;
(void) positions;
src->defensive = true;
}
void cast_element(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct target_t *dest, void *data)
{
int damages;
enum element_t elem = *((enum element_t *)data);
/* TODO remove the MP */
if (dest->is_chr) {
damages = compute_damages(src, dest->chr, DAMAGES_MAGICAL, elem);
damage_target_hp(surfaces, positions, dest->chr, damages);
} else {
for (int i = 0; i < dest->team->chr_cnt; ++i) {
struct character_t *target = &dest->team->chrs[i];
if (!target->alive)
continue;
damages = compute_damages(src, target, DAMAGES_MAGICAL, elem);
damage_target_hp(surfaces, positions, target, damages / 3);
}
}
}
void cast_cure(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct target_t *dest, void *data)
{
int cure;
(void) data;
if (dest->is_chr) {
cure = compute_cure(src, dest->chr);
cure_target_hp(surfaces, positions, dest->chr, cure);
} else {
for (int i = 0; i < dest->team->chr_cnt; ++i) {
struct character_t *target = &dest->team->chrs[i];
if (!target->alive)
continue;
cure = compute_cure(src, target);
cure_target_hp(surfaces, positions, target, cure / 3);
}
}
}
static
void __use_potion(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct character_t *dest, int type)
{
int cure;
switch (type) {
case POTION:
cure = 1000;
src->team->objects.potions--;
break;
case POTIONPLUS:
cure = 4000;
src->team->objects.potionsplus--;
break;
default:
abort();
}
cure_target_hp(surfaces, positions, dest, cure);
}
void use_potion(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct target_t *dest, void *data)
{
__use_potion(surfaces, positions, src, dest->chr, *((int *)data));
}
static
void __use_ether(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct character_t *dest, int type)
{
int cure;
switch (type) {
case ETHER:
cure = 10;
src->team->objects.ethers--;
break;
case ETHERPLUS:
cure = 40;
src->team->objects.ethersplus--;
break;
default:
abort();
}
cure_target_mp(surfaces, positions, dest, cure);
}
void use_ether(SURFACES *surfaces, POSITIONS *positions, struct character_t *src, struct target_t *dest, void *data)
{
__use_ether(surfaces, positions, src, dest->chr, *((int *)data));
}
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