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TombEngine/TR5Main/Objects/TR5/tr5_hydra.cpp

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#include "../oldobjects.h"
#include "../../Game/items.h"
#include "../../Game/sphere.h"
#include "../../Game/Box.h"
#include "../../Game/effects.h"
#include "../../Game/effect2.h"
#include "../../Game/people.h"
#include "../../Game/draw.h"
BITE_INFO HydraBite{ 0, 0, 0, 0x0B };
void InitialiseHydra(short itemNum)
{
ITEM_INFO* item;
item = &Items[itemNum];
ClearItem(itemNum);
item->animNumber = Objects[item->objectNumber].animIndex;
item->frameNumber = 30 * item->triggerFlags + Anims[item->animNumber].frameBase;
item->goalAnimState = 0;
item->currentAnimState = 0;
if (item->triggerFlags == 1)
item->pos.zPos += STEPUP_HEIGHT;
if (item->triggerFlags == 2)
item->pos.zPos -= STEPUP_HEIGHT;
item->pos.yRot = ANGLE(90);
item->pos.xPos -= STEP_SIZE;
}
void HydraBubblesAttack(PHD_3DPOS* pos, short roomNumber, int count)
{
short fxNum = CreateNewEffect(roomNumber);
if (fxNum != NO_ITEM)
{
FX_INFO* fx = &Effects[fxNum];
fx->pos.xPos = pos->xPos;
fx->pos.yPos = pos->yPos - (GetRandomControl() & 0x3F) - 32;
fx->pos.zPos = pos->zPos;
fx->pos.xRot = pos->xRot;
fx->pos.yRot = pos->yRot;
fx->pos.zRot = 0;
fx->roomNumber = roomNumber;
fx->counter = 16 * count + 15;
fx->flag1 = 0;
fx->objectNumber = ID_BUBBLES;
fx->speed = (GetRandomControl() & 0x1F) + 64;
fx->frameNumber = Objects[ID_BUBBLES].meshIndex + 16;
}
}
void TriggerHydraSparks(short itemNumber, int frame)
{
SPARKS* spark = &Sparks[GetFreeSpark()];
spark->on = 1;
spark->sB = 0;
spark->sR = (GetRandomControl() & 0x3F) - 96;
spark->dR = (GetRandomControl() & 0x3F) - 96;
spark->dB = 0;
if (frame < 16)
{
spark->sR = frame * spark->sR >> 4;
spark->dR = frame * spark->dR >> 4;
}
spark->sG = spark->sR >> 1;
spark->dG = spark->dR >> 1;
spark->fadeToBlack = 4;
spark->colFadeSpeed = (GetRandomControl() & 3) + 8;
spark->transType = COLADD;
spark->dynamic = -1;
spark->life = spark->sLife = (GetRandomControl() & 3) + 32;
spark->y = 0;
spark->x = (GetRandomControl() & 0xF) - 8;
spark->z = (GetRandomControl() & 0xF) - 8;
spark->yVel = 0;
spark->xVel = GetRandomControl() - 128;
spark->friction = 4;
spark->zVel = GetRandomControl() - 128;
spark->flags = 4762;
spark->fxObj = itemNumber;
spark->nodeNumber = 5;
spark->rotAng = GetRandomControl() & 0xFFF;
spark->rotAdd = (GetRandomControl() & 0x3F) - 32;
spark->maxYvel = 0;
spark->gravity = -8 - (GetRandomControl() & 7);
spark->scalar = 0;
spark->dSize = 4;
spark->sSize = spark->size = frame * ((GetRandomControl() & 0xF) + 16) >> 4;
}
void ControlHydra(short itemNumber)
{
if (CreatureActive(itemNumber))
{
short tilt = 0;
short joint3 = 0;
short joint2 = 0;
short joint1 = 0;
short joint0 = 0;
ITEM_INFO* item = &Items[itemNumber];
CREATURE_INFO* creature = (CREATURE_INFO*)item->data;
if (item->hitPoints > 0)
{
if (item->aiBits)
{
GetAITarget(creature);
}
else if (creature->hurtByLara)
{
creature->enemy = LaraItem;
}
AI_INFO info;
CreatureAIInfo(item, &info);
GetCreatureMood(item, &info, VIOLENT);
CreatureMood(item, &info, VIOLENT);
if (item->currentAnimState != 5 && item->currentAnimState != 10 && item->currentAnimState != 11)
{
if (abs(info.angle) >= ANGLE(1))
{
if (info.angle > 0)
item->pos.yRot += ANGLE(1);
else
item->pos.yRot -= ANGLE(1);
}
else
{
item->pos.yRot += info.angle;
}
if (item->triggerFlags == 1)
{
tilt = -512;
}
else if (item->triggerFlags == 2)
{
tilt = 512;
}
}
if (item->currentAnimState != 12)
{
joint1 = info.angle >> 1;
joint3 = info.angle >> 1;
joint2 = -info.xAngle;
}
joint0 = -joint1;
int distance, damage, frame;
PHD_VECTOR pos1, pos2;
short angles[2];
short roomNumber;
PHD_3DPOS pos;
switch (item->currentAnimState)
{
case 0:
creature->maximumTurn = ANGLE(1);
creature->flags = 0;
if (item->triggerFlags == 1)
{
tilt = -512;
}
else if (item->triggerFlags == 2)
{
tilt = 512;
}
if (info.distance >= SQUARE(1792) && GetRandomControl() & 0x1F)
{
if (info.distance >= SQUARE(2048) && GetRandomControl() & 0x1F)
{
if (!(GetRandomControl() & 0xF))
item->goalAnimState = 2;
}
else
{
item->goalAnimState = 1;
}
}
else
{
item->goalAnimState = 6;
}
break;
case 1:
case 7:
case 8:
case 9:
creature->maximumTurn = 0;
if (creature->flags == 0)
{
if (item->touchBits & 0x400)
{
LaraItem->hitPoints -= 120;
LaraItem->hitStatus = true;
CreatureEffect2(item, &HydraBite, 10, item->pos.yRot, DoBloodSplat);
creature->flags = 1;
}
if (item->hitStatus && info.distance < SQUARE(1792))
{
distance = SQRT_ASM(info.distance);
damage = 5 - distance / 1024;
if (Lara.gunType == WEAPON_SHOTGUN)
damage *= 3;
if (damage > 0)
{
item->hitPoints -= damage;
item->goalAnimState = 4;
CreatureEffect2(item, &HydraBite, 10 * damage, item->pos.yRot, DoBloodSplat);
}
}
}
break;
case 2:
creature->maximumTurn = 0;
if (item->hitStatus)
{
damage = 6 - SQRT_ASM(info.distance) / 1024;
if (Lara.gunType == WEAPON_SHOTGUN)
damage *= 3;
if ((GetRandomControl() & 0xF) < damage && info.distance < SQUARE(10240) && damage > 0)
{
item->hitPoints -= damage;
item->goalAnimState = 4;
CreatureEffect2(item, &HydraBite, 10 * damage, item->pos.yRot, DoBloodSplat);
}
}
if (item->triggerFlags == 1)
{
tilt = -512;
}
else if (item->triggerFlags == 2)
{
tilt = 512;
}
if (!(GlobalCounter & 3))
{
frame = ((Anims[item->animNumber].frameBase - item->frameNumber) >> 3) + 1;
if (frame > 16)
frame = 16;
TriggerHydraSparks(itemNumber, frame);
}
break;
case 3:
if (item->frameNumber == Anims[item->animNumber].frameBase)
{
pos1.x = 0;
pos1.y = 1024;
pos1.z = 40;
GetJointAbsPosition(item, &pos1, 10);
pos2.x = 0;
pos2.y = 144;
pos2.z = 40;
GetJointAbsPosition(item, &pos2, 10);
phd_GetVectorAngles(pos1.x - pos2.x, pos1.y - pos2.y, pos1.z - pos2.z, angles);
pos.xPos = pos1.x;
pos.yPos = pos1.y;
pos.zPos = pos1.z;
pos.xRot = angles[1];
pos.yRot = angles[0];
pos.zRot = 0;
roomNumber = item->roomNumber;
GetFloor(pos2.x, pos2.y, pos2.z, &roomNumber);
HydraBubblesAttack(&pos, roomNumber, 1);
}
break;
case 6:
creature->maximumTurn = ANGLE(1);
creature->flags = 0;
if (item->triggerFlags == 1)
{
tilt = -512;
}
else if (item->triggerFlags == 2)
{
tilt = 512;
}
if (info.distance >= SQUARE(768))
{
if (info.distance >= SQUARE(1280))
{
if (info.distance >= SQUARE(1792))
item->goalAnimState = 0;
else
item->goalAnimState = 9;
}
else
{
item->goalAnimState = 8;
}
}
else
{
item->goalAnimState = 7;
}
break;
default:
break;
}
}
else
{
item->hitPoints = 0;
if (item->currentAnimState != 11)
{
item->animNumber = Objects[item->objectNumber].animIndex + 15;
item->currentAnimState = 11;
item->frameNumber = Anims[item->animNumber].frameBase;
}
if (!((item->frameNumber - Anims[item->animNumber].frameBase) & 7))
{
if (item->itemFlags[3] < 12)
{
ExplodeItemNode(item, 11 - item->itemFlags[3], 0, 64);
SoundEffect(SFX_SMASH_ROCK, &item->pos, 0);
item->itemFlags[3]++;
}
}
}
CreatureTilt(item, tilt);
CreatureJoint(item, 0, joint0);
CreatureJoint(item, 1, joint1);
CreatureJoint(item, 2, joint2);
CreatureJoint(item, 3, joint3);
CreatureAnimation(itemNumber, 0, 0);
}
}
void TriggerHydraMissileSparks(PHD_VECTOR* pos, short xv, short yv, short zv)
{
SPARKS* spark = &Sparks[GetFreeSpark()];
spark->on = 1;
spark->sB = 0;
spark->sR = (GetRandomControl() & 0x3F) - 96;
spark->sG = spark->sR >> 1;
spark->dB = 0;
spark->dR = (GetRandomControl() & 0x3F) - 96;
spark->dG = spark->dR >> 1;
spark->fadeToBlack = 8;
spark->colFadeSpeed = (GetRandomControl() & 3) + 8;
spark->transType = COLADD;
spark->dynamic = -1;
spark->life = spark->sLife = (GetRandomControl() & 3) + 20;
spark->y = 0;
spark->x = (GetRandomControl() & 0xF) - 8;
spark->z = (GetRandomControl() & 0xF) - 8;
spark->x += pos->x;
spark->y += pos->y;
spark->z += pos->z;
spark->xVel = xv;
spark->yVel = yv;
spark->zVel = zv;
spark->friction = 68;
spark->flags = SP_EXPDEF | SP_ROTATE | SP_DEF | SP_SCALE;
spark->rotAng = GetRandomControl() & 0xFFF;
if (GetRandomControl() & 1)
spark->rotAdd = -32 - (GetRandomControl() & 0x1F);
else
spark->rotAdd = (GetRandomControl() & 0x1F) + 32;
spark->gravity = 0;
spark->maxYvel = 0;
spark->scalar = 1;
spark->sSize = spark->size = (GetRandomControl() & 0xF) + 96;
spark->dSize = spark->size >> 2;
}
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