tmc/src/projectileUtils.c

86 lines
2.8 KiB
C

#include "entity.h"
#include "definitions.h"
#include "functions.h"
extern const ProjectileDefinition gProjectileDefinitions[];
const ProjectileDefinition* GetProjectileDefinition(Entity*);
bool32 LoadProjectileSprite(Entity*, const ProjectileDefinition*);
const ProjectileDefinition* GetProjectileDefinition(Entity* this) {
const ProjectileDefinition* definition = &gProjectileDefinitions[this->id];
if (definition->gfx == 0xffff) {
definition = &definition->ptr.definition[this->type];
}
return definition;
}
bool32 ProjectileInit(Entity* this) {
if ((this->flags & ENT_DID_INIT) == 0) {
const ProjectileDefinition* definition = GetProjectileDefinition(this);
if (LoadProjectileSprite(this, definition) == FALSE) {
return FALSE;
}
this->flags |= ENT_DID_INIT;
if (definition->spriteFlags.collision != 0) {
COLLISION_ON(this);
}
this->spriteIndex = definition->spriteIndex;
if (this->spriteSettings.draw == 0) {
this->spriteSettings.draw = definition->spriteFlags.draw;
}
this->spritePriority.b1 = definition->spriteFlags.spritePriority;
this->spriteSettings.shadow = definition->spriteFlags.shadow;
if (this->speed == 0) {
this->speed = definition->speed;
}
this->collisionFlags = (definition->field0x3c << 4) | 7;
this->flags2 = definition->flags2;
this->hitType = definition->damageType;
this->hurtType = definition->field0x40;
this->health = 0xff;
this->hitbox = (Hitbox*)definition->ptr.hitbox;
UpdateSpriteForCollisionLayer(this);
}
return TRUE;
}
bool32 LoadProjectileSprite(Entity* this, const ProjectileDefinition* definition) {
bool32 result;
if (definition->gfx != 0) {
if ((definition->gfx & 0x8000) != 0) {
this->spriteVramOffset = definition->gfx & 0x3ff;
} else {
if ((definition->gfx & 0x4000) != 0) {
result = LoadSwapGFX(this, (u8)(definition->gfx >> 4), 0);
} else {
result = LoadFixedGFX(this, definition->gfx);
}
if (result == FALSE) {
return FALSE;
}
}
}
LoadObjPalette(this, definition->paletteIndex);
return TRUE;
}
bool32 IsProjectileOffScreen(Entity* this) {
if (((u32)this->x.HALF.HI - gRoomControls.origin_x > gRoomControls.width) ||
((u32)this->y.HALF.HI - gRoomControls.origin_y > gRoomControls.height)) {
return TRUE;
} else {
return FALSE;
}
}
Entity* CreateProjectile(u32 id) {
Entity* entity = GetEmptyEntity();
if (entity != NULL) {
entity->kind = PROJECTILE;
entity->id = id;
AppendEntityToList(entity, 5);
}
return entity;
}