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/**
* @file m_snowman.c
*
* Manages data associated with snowmen.
*
* This data is stored in the SnowmanData struct in the save file.
* There can be three snowmen built at a single time. Each snowman has 3 variations depending on how melted they are.
* The first snowman uses the names SNOWMAN0, SNOWMAN1, and SNOWMAN2, the second snowman uses SNOWMAN3, SNOWMAN4, and
* SNOWMAN5, etc.
*
*/
#include "global.h"
#include "m_snowman.h"
#include "m_common_data.h"
#include "m_field_info.h"
#include "m_police_box.h"
#include "m_lib.h"
#include "libc64/qrand.h"
#include "m_name_table.h"
/**
* After advancing daysElapsed days, is the snowman completely melted?
*
* @return True if the snowman is alive, False if the snowman is dead.
*/
s32 mSN_check_life(u16* name, s32 daysElapsed) {
s32 ret = false;
// Snowmen outside of winter die regardless of daysElapsed.
if (common_data.time.season == WINTER) {
s32 snowmanAge = ((*name - SNOWMAN0) % SNOWMAN_SAVE_COUNT);
if (snowmanAge + daysElapsed < 3) {
ret = true;
}
}
return ret;
}
void mSN_ClearSnowmanData(u16* name, s32 snowmanIndex) {
bzero(&common_data.save.snowmanData[snowmanIndex], sizeof(SnowmanData));
*name = 0;
}
s32 mSN_ClearSnowman(u16* name) {
s32 ret = 0;
if ((*name >= SNOWMAN0) && (*name <= SNOWMAN8)) {
s32 snowmanIndex = (*name - SNOWMAN0) / SNOWMAN_SAVE_COUNT;
mSN_ClearSnowmanData(name, snowmanIndex);
ret = 1;
}
return ret;
}
/**
* Modify a snowman according to how many days have passed.
*
* @return 0 if the actor isn't a snowman. 1 if the actor is a snowman.
*/
s32 mSN_MeltSnowman(u16* name, s32 daysElapsed) {
s32 ret = 0;
if ((*name >= SNOWMAN0) && (*name <= SNOWMAN8)) {
s32 snowmanIndex = (*name - SNOWMAN0) / SNOWMAN_SAVE_COUNT;
if (daysElapsed < 0) {
daysElapsed = 1;
common_data.save.snowmanYear = 0;
common_data.save.snowmanMonth = 0;
common_data.save.snowmanDay = 0;
common_data.save.snowmanHour = 0;
}
if (!mSN_check_life(name, daysElapsed)) {
mSN_ClearSnowmanData(name, snowmanIndex);
} else {
SnowmanData* snowmanData = &common_data.save.snowmanData[snowmanIndex];
*name += daysElapsed;
while (daysElapsed) {
snowmanData->headSize = (u8)(s32)(snowmanData->headSize * 0.8f);
snowmanData->bodySize = (u8)(s32)(snowmanData->bodySize * 0.8f);
daysElapsed--;
}
}
ret = 1;
}
return ret;
}
/**
* Find a slot in SnowmanData that isn't occupied by a snowman.
*
* @return the index of the first empty slot. If there are no empty slots, return -1.
*/
s32 mSN_get_free_space(void) {
SnowmanData* snowmanData = common_data.save.snowmanData;
s32 snowmanIndex;
for (snowmanIndex = 0; snowmanIndex < SNOWMAN_SAVE_COUNT; snowmanIndex++) {
if (!snowmanData[snowmanIndex].exists) {
return snowmanIndex;
}
}
return -1;
}
void mSN_regist_snowman_society(SnowmanInfo* snowmanInfo) {
u16 sp2E = *mFI_GetUnitFG(snowmanInfo->position);
s32 snowmanIndex = mSN_get_free_space();
u16 name;
if (snowmanIndex != -1) {
mem_copy((u8*)&common_data.save.snowmanData[snowmanIndex], (u8*)snowmanInfo, sizeof(SnowmanData));
if (sp2E) {
mPB_keep_item(sp2E);
mFI_Wpos2DepositOFF(snowmanInfo->position);
}
name = snowmanIndex * SNOWMAN_SAVE_COUNT + SNOWMAN0;
mFI_SetFG_common(name, snowmanInfo->position, 1);
}
}
void mSN_decide_msg(void) {
common_data.unk_1074C = fqrand() * 3.0f;
}
void mSN_snowman_init(void) {
bzero(common_data.save.snowmanData, sizeof(SnowmanData[SNOWMAN_SAVE_COUNT]));
mSN_decide_msg();
}
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