mirror of https://github.com/zeldaret/tmc.git
144 lines
3.3 KiB
C
144 lines
3.3 KiB
C
/**
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* @file slime.c
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* @ingroup Enemies
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*
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* @brief Slime enemy
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*/
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#include "enemy.h"
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#include "functions.h"
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typedef struct {
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s8 h, v;
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} PACKED PosOffset;
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void sub_08044FF8(Entity*);
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void sub_08045178(Entity*, Entity*, int, int);
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extern void sub_0804A4E4(Entity*, Entity*);
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extern u32 sub_080002CC(Entity*, s32, s32);
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extern void (*const gUnk_080D16BC[])(Entity*);
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extern void (*const gUnk_080D16A4[])(Entity*);
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extern u8 gUnk_080D16D0[4]; // Entity count per form
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extern PosOffset gUnk_080D16D4[4];
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void Slime(Entity* this) {
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EnemyFunctionHandler(this, gUnk_080D16A4);
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SetChildOffset(this, 0, 1, -12);
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}
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void sub_08044F70(Entity* this) {
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gUnk_080D16BC[this->action](this);
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}
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void sub_08044F88(Entity* this) {
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if ((this->health != 0) && (this->cutsceneBeh.HALF.LO != this->health)) {
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this->action = 4;
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} else {
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sub_0804AA30(this, gUnk_080D16A4);
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}
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if (this->field_0x43 != 0) {
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sub_0804A9FC(this, 28);
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}
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}
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void nullsub_171(Entity* this) {
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}
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void sub_08044FC8(Entity* this) {
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this->action = 1;
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this->spriteSettings.draw = 1;
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this->speed = 128;
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sub_0804A720(this);
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InitializeAnimation(this, 0);
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sub_08044FF8(this);
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}
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void sub_08044FF8(Entity* this) {
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this->action = 2;
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this->actionDelay = (Random() & 31) + 30;
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this->cutsceneBeh.HALF.LO = this->health;
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}
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void sub_08045018(Entity* this) {
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GetNextFrame(this);
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if (--this->actionDelay == 0) {
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this->action = 3;
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this->actionDelay = 1;
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if (0 < this->speed) {
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this->actionDelay = FixedDiv(4096, this->speed) >> 8;
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}
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if (sub_08049FA0(this) == 0 && (Random() & 3)) {
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this->direction = (sub_08049EE4(this) + 0xfc + (Random() & 8)) & 24;
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return;
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}
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this->direction = Random() & 24;
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}
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}
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void sub_08045088(Entity* this) {
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ProcessMovement(this);
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GetNextFrame(this);
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if (--this->actionDelay == 0) {
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this->action = 1;
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}
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}
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/* Split slime into new ones */
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void sub_080450A8(Entity* this) {
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Entity* entities[4];
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Entity* ent;
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s32 count, i;
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PosOffset* off;
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/* Can we create enough new entities? */
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count = gUnk_080D16D0[this->type];
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if (MAX_ENTITIES + 1 - count <= gEntCount)
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return;
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/* Create 2-4 new MiniSlime */
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for (i = 0; i < count; i++)
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entities[i] = CreateEnemy(MINI_SLIME, this->type);
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off = gUnk_080D16D4;
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for (i = 0; i < count; i++) {
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ent = entities[i];
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ent->child = entities[(i + 1) % count];
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ent->parent = entities[(i + count - 1) % count];
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ent->type2 = 1;
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ent->z.HALF.HI = 0;
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ent->iframes = -0x10;
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/* Set MiniSlime offset relative to killed slime. */
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sub_08045178(this, ent, off->h, off->v);
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off++;
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}
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ent = CreateFx(this, FX_DEATH, 0);
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if (ent)
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CopyPosition(this, ent);
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DeleteEntity(this);
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}
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void sub_08045178(Entity* this, Entity* child, int h, int v) {
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int x, y;
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if (child == NULL)
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return;
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sub_0804A4E4(this, child);
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if (sub_080002CC(child, h, v))
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return;
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x = child->x.HALF.HI + h;
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if (0 <= x && x < (gRoomControls.origin_x + gRoomControls.width))
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child->x.HALF.HI = x;
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y = child->y.HALF.HI + v;
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if (0 <= y && y < (gRoomControls.origin_y + gRoomControls.height))
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child->y.HALF.HI = y;
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}
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