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|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "hdb/hdb.h"
namespace HDB {
void aiOmniBotInit(AIEntity *e) {
if (e->value1 == 1)
e->aiAction = aiOmniBotMove;
else if (g_hdb->_ai->findPath(e))
e->aiAction = aiOmniBotAction;
}
void aiOmniBotInit2(AIEntity *e) {
e->standdownGfx[0] = e->movedownGfx[0];
e->standupGfx[0] = e->movedownGfx[0];
e->standleftGfx[0] = e->moveleftGfx[0];
e->standrightGfx[0] = e->moverightGfx[0];
e->standdownFrames = e->standupFrames = e->standleftFrames = e->standrightFrames = 1;
e->draw = g_hdb->_ai->getStandFrameDir(e);
}
void aiOmniBotMove(AIEntity *e) {
if (e->goalX)
g_hdb->_ai->animateEntity(e);
else
g_hdb->_ai->animEntFrames(e);
}
void aiOmniBotAction(AIEntity *e) {
AIEntity *p = g_hdb->_ai->getPlayer();
if (e->goalX) {
if (!e->sequence) {
g_hdb->_ai->animateEntity(e);
// Is the Player collding?
if (e->onScreen && (p->level = e->level) && g_hdb->_ai->checkPlayerCollision(e->x, e->y, 4) && !g_hdb->_ai->playerDead()) {
g_hdb->_ai->killPlayer(DEATH_FRIED);
return;
}
// Shoot player ?
if (onEvenTile(e->x, e->y) && g_hdb->getActionMode()) {
int xv = 0, yv = 0, result;
int shoot = 0;
AIEntity *omni;
// FIXME: Is reloading Player required here?
p = g_hdb->_ai->getPlayer();
// On same level/screen?
if ((e->level != p->level) || g_hdb->_ai->playerDead() || !e->onScreen)
return;
// Is Player in Line of Sight?
switch (e->dir) {
case DIR_UP:
if (p->x == e->x && p->y < e->y) {
shoot = 1;
yv = -1;
}
break;
case DIR_DOWN:
if (p->x == e->x && p->y > e->y) {
shoot = 1;
yv = 1;
}
break;
case DIR_LEFT:
if (p->x < e->x && p->y == e->y) {
shoot = 1;
xv = -1;
}
break;
case DIR_RIGHT:
if (p->x > e->x && p->y == e->y) {
shoot = 1;
xv = 1;
}
break;
case DIR_NONE:
warning("aiOmniBotAction: DIR_NONE found");
break;
}
// If shoot = 1, take the shot
// (1) Check we're not shooting into a solid tile
// (2) Check we're not shooting into an Entity unless it's the player
AIEntity *hit = g_hdb->_ai->legalMoveOverWater(e->tileX+xv, e->tileY + yv, e->level, &result);
if (shoot && !hit && result) {
omni = g_hdb->_ai->spawn(AI_OMNIBOT_MISSILE, e->dir, e->tileX + xv, e->tileY + yv, NULL, NULL, NULL, DIR_NONE, e->level, 0, 0, 1);
omni->xVel = xv * kPlayerMoveSpeed * 2;
omni->yVel = yv * kPlayerMoveSpeed * 2;
if (g_hdb->_map->onScreen(e->tileX, e->tileY))
warning("STUB: aiOmniBotAction: Play SND_OMNIBOT_FIRE");
if (!g_hdb->getActionMode()) {
omni->xVel >>= 1;
omni->yVel >>= 1;
}
e->sequence = 16;
}
}
}
} else {
g_hdb->_ai->findPath(e);
if (e->onScreen)
warning("STUB: aiOmniBotAction: Play SND_OMNIBOT_AMBIENT");
}
if (e->sequence)
e->sequence--;
}
void aiOmniBotMissileInit(AIEntity *e) {
e->state = STATE_MOVEDOWN;
e->aiAction = aiOmniBotMissileAction;
}
void aiOmniBotMissileInit2(AIEntity *e) {
for (int i = 0; i < e->movedownFrames; i++)
e->moveleftGfx[i] = e->moverightGfx[i] = e->moveupGfx[i] = e->movedownGfx[i];
e->moveleftFrames = e->moverightFrames = e->moveupFrames = e->movedownFrames;
e->draw = e->movedownGfx[0];
}
void aiOmniBotMissileAction(AIEntity *e) {
AIEntity *p = g_hdb->_ai->getPlayer();
g_hdb->_ai->animEntFrames(e);
e->x += e->xVel;
e->y += e->yVel;
e->tileX = e->x / kTileWidth;
e->tileY = e->y / kTileHeight;
// Did we hit a solid wall?
int result;
AIEntity *hit = g_hdb->_ai->legalMoveOverWaterIgnore(e->tileX, e->tileY, e->level, &result, e);
if (hit || !result) {
g_hdb->_ai->addAnimateTarget(e->x, e->y, 0, 3, ANIM_FAST, false, false, "steam_puff_sit");
g_hdb->_ai->removeEntity(e);
}
// On Even tiles, check for hitting player
if (onEvenTile(e->x, e->y))
if (e->onScreen && (p->level == e->level) && g_hdb->_ai->checkPlayerCollision(e->x, e->y, 4) && !g_hdb->_ai->playerDead()) {
g_hdb->_ai->killPlayer(DEATH_NORMAL);
g_hdb->_ai->addAnimateTarget(e->x, e->y, 0, 3, ANIM_FAST, false, false, "steam_puff_sit");
g_hdb->_ai->removeEntity(e);
}
}
void aiTurnBotInit(AIEntity *e) {
e->aiAction = aiTurnBotAction;
}
void aiTurnBotInit2(AIEntity *e) {
e->draw = g_hdb->_ai->getStandFrameDir(e);
}
void aiTurnBotChoose(AIEntity *e) {
int xvAhead[5] = { 9, 0, 0, -1, 1 }, yvAhead[5] = { 9, -1, 1, 0, 0 };
AIDir turnRight[5] = { DIR_NONE, DIR_RIGHT, DIR_LEFT, DIR_UP, DIR_DOWN };
AIState dirState[5] = { STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT };
int xv, yv;
xv = xvAhead[e->dir];
yv = yvAhead[e->dir];
if (g_hdb->_map->getMapBGTileFlags(e->tileX + xv, e->tileY + yv) & (kFlagSolid | kFlagWater)) {
e->xVel = e->yVel = 0;
e->animFrame = 0;
e->animDelay = e->animCycle;
e->dir = turnRight[e->dir];
e->state = dirState[e->dir];
} else {
e->xVel = xv * kPlayerMoveSpeed;
e->yVel = yv * kPlayerMoveSpeed;
if (!g_hdb->getActionMode()) {
e->xVel >>= 1;
e->yVel >>= 1;
}
e->goalX = e->tileX + xv;
e->goalY = e->tileY + yv;
e->state = dirState[e->dir];
if (e->dir == DIR_DOWN)
e->animFrame = 3;
}
}
void aiTurnBotAction(AIEntity *e) {
if (e->goalX)
g_hdb->_ai->animateEntity(e);
else {
aiTurnBotChoose(e);
g_hdb->_ai->animateEntity(e);
if (e->onScreen)
warning("STUB: aiTurnBotAction: Play SND_TURNBOT_TURN");
}
if (e->onScreen && onEvenTile(e->x, e->y) && g_hdb->_ai->checkPlayerCollision(e->x, e->y, 0) && !g_hdb->_ai->playerDead())
g_hdb->_ai->killPlayer(DEATH_NORMAL);
}
void aiShockBotInit(AIEntity *e) {
g_hdb->_ai->findPath(e);
e->aiAction = aiShockBotAction;
e->animCycle = 0;
e->sequence = 0;
e->aiDraw = aiShockBotShock;
}
void aiShockBotInit2(AIEntity *e) {
e->standupFrames = e->standdownFrames = e->standleftFrames = e->standrightFrames =
e->moveupFrames = e->moverightFrames = e->moveleftFrames = e->movedownFrames;
for (int i = 0; i < e->movedownFrames; i++)
e->standupGfx[i] = e->standleftGfx[i] = e->standrightGfx[i] = e->standdownGfx[i] = e->moveupGfx[i] = e->moveleftGfx[i] = e->moverightGfx[i] = e->movedownGfx[i];
e->draw = g_hdb->_ai->getStandFrameDir(e);
}
void aiShockBotAction(AIEntity *e) {
if (e->goalX) {
if (!e->sequence) {
if (e->onScreen && g_hdb->_ai->checkPlayerCollision(e->x, e->y, 4) && !g_hdb->_ai->playerDead())
g_hdb->_ai->killPlayer(DEATH_SHOCKED);
g_hdb->_ai->animateEntity(e);
} else
g_hdb->_ai->animEntFrames(e);
} else {
g_hdb->_ai->findPath(e);
e->sequence = 20;
g_hdb->_ai->animEntFrames(e);
if (e->onScreen)
warning("STUB: aiShockBotAction: Play SND_SHOCKBOT_AMBIENT");
}
if (e->sequence)
e->sequence--;
}
void aiShockBotShock(AIEntity *e, int mx, int my) {
int offX[8] = { -1, 0, 1, 1, 1, 0, -1, -1 };
int offY[8] = { -1, -1, -1, 0, 1, 1, 1, 0 };
// Only on a exact tile boundary do we change the shocked tiles
// Start at top left and go around
if (g_hdb->_map->getMapBGTileFlags(e->tileX, e->tileY) & kFlagMetal)
e->special1Gfx[e->animFrame]->drawMasked(e->tileX * kTileWidth - mx, e->tileY * kTileHeight - my);
uint32 flags;
for (int i = 0; i < 8; i++) {
flags = g_hdb->_map->getMapBGTileFlags(e->tileX + offX[i], e->tileY + offY[i]);
if (flags & kFlagMetal) {
// Is the shocking tile onScreen?
if (g_hdb->_map->checkXYOnScreen((e->tileX + offX[i]) * kTileWidth, (e->tileY + offY[i]) * kTileHeight)) {
// Draw shocking tile animation
e->special1Gfx[e->animFrame]->drawMasked((e->tileX + offX[i])*kTileWidth - mx, (e->tileY + offY[i])*kTileHeight - my);
// Did the player get fried?
// Check every 4 frames
if (e->onScreen && !e->animFrame && g_hdb->_ai->checkPlayerTileCollision(e->tileX + offX[i], e->tileY + offY[i]) && !g_hdb->_ai->playerDead()) {
g_hdb->_ai->killPlayer(DEATH_SHOCKED);
return;
}
if (!e->animFrame && g_hdb->_map->boomBarrelExist(e->tileX + offX[i], e->tileY + offY[i])) {
AIEntity *e2 = g_hdb->_ai->findEntityType(AI_BOOMBARREL, e->tileX + offX[i], e->tileY + offY[i]);
aiBarrelExplode(e2);
}
}
}
}
}
void aiRightBotInit(AIEntity *e) {
e->moveSpeed = kPlayerMoveSpeed;
if (!g_hdb->getActionMode())
e->moveSpeed >>= 1;
e->aiAction = aiRightBotAction;
}
void aiRightBotInit2(AIEntity *e) {
switch (e->dir) {
case DIR_UP:
e->draw = e->moveupGfx[0];
e->state = STATE_MOVEUP;
break;
case DIR_DOWN:
e->draw = e->movedownGfx[0];
e->state = STATE_MOVEDOWN;
break;
case DIR_LEFT:
e->draw = e->moveleftGfx[0];
e->state = STATE_MOVELEFT;
break;
case DIR_RIGHT:
e->draw = e->moverightGfx[0];
e->state = STATE_MOVERIGHT;
break;
case DIR_NONE:
warning("aiRightBotInit2: DIR_NONE found");
break;
}
}
void aiRightBotFindGoal(AIEntity *e) {
int xv, yv, xv2, yv2, xv3, yv3;
int bg, bg2, bg3;
AIEntity *e1, *e2, *e3, *p;
int hit, sx, sy, rotate;
int xvAhead[5] = { 9, 0, 0,-1, 1 }, yvAhead[5] = { 9,-1, 1, 0, 0 };
int xvAToR[5] = { 9, 1,-1,-1, 1 }, yvAToR[5] = { 9,-1, 1,-1, 1 };
int xvToR[5] = { 9, 1,-1, 0, 0 }, yvToR[5] = { 9, 0, 0,-1, 1 };
int xvToL[5] = { 9,-1, 1, 0, 0 }, yvToL[5] = { 9, 0, 0, 1,-1 };
p = g_hdb->_ai->getPlayer();
rotate = 0;
do {
xv = xvAhead[e->dir]; // Search Ahead
yv = yvAhead[e->dir];
xv2 = xvAToR[e->dir]; // Search Ahead and to the Right
yv2 = yvAToR[e->dir];
xv3 = xvToR[e->dir]; // Search to the Right
yv3 = yvToR[e->dir];
// Search until we hit a wall...or empty space to our right (and forward)
hit = 0;
sx = e->tileX;
sy = e->tileY;
while (!hit) {
bg = g_hdb->_map->getMapBGTileFlags(sx + xv, sy + yv) & (kFlagSolid | kFlagWater | kFlagSlime | kFlagSpecial);
e1 = g_hdb->_ai->findEntity(sx + xv, sy + yv);
if (e1 && e1 == p)
e1 = NULL;
bg2 = g_hdb->_map->getMapBGTileFlags(sx + xv2, sy + yv2) & (kFlagSolid | kFlagWater | kFlagSlime | kFlagSpecial);
e2 = g_hdb->_ai->findEntity(sx + xv2, sy + yv2);
if (e2 && e2 == p)
e2 = NULL;
bg3 = g_hdb->_map->getMapBGTileFlags(sx + xv3, sy + yv3) & (kFlagSolid | kFlagWater | kFlagSlime | kFlagSpecial);
e3 = g_hdb->_ai->findEntity(sx + xv3, sy + yv3);
if (e3 && e3 == p)
e3 = NULL;
// Okay to move forward?
if ((!bg && !e1) && (bg2 || e2 || bg3 || e3)) {
sx += xv;
sy += yv;
rotate = 0;
} else
hit = 1;
}
// Are we stuck in a corner?
if (sx == e->tileX && sy == e->tileY) {
sx = e->tileX;
sy = e->tileY;
rotate += 1;
// Need to check for turning RIGHT when we're in a corner
xv = xvToL[e->dir];
yv = yvToL[e->dir];
// Check Tile flags to our left and right
bg = g_hdb->_map->getMapBGTileFlags(sx + xv, sy + yv) & (kFlagSolid | kFlagWater | kFlagSlime | kFlagSpecial);
e1 = g_hdb->_ai->findEntity(sx + xv, sy + yv);
bg2 = g_hdb->_map->getMapBGTileFlags(sx + xv3, sy + yv3) & (kFlagSolid | kFlagWater | kFlagSlime | kFlagSpecial);
e2 = g_hdb->_ai->findEntity(sx + xv3, sy + yv3);
if (e1 && e1->type == AI_GUY)
e1 = NULL;
if (e2 && e2->type == AI_GUY)
e2 = NULL;
// Is tile to the right clear?
// Is tile to the left clear?
// If neither, go backwards
if (!bg2 && !e2) {
switch (e->dir) {
case DIR_UP: e->dir = DIR_RIGHT; break;
case DIR_DOWN: e->dir = DIR_LEFT; break;
case DIR_LEFT: e->dir = DIR_UP; break;
case DIR_RIGHT: e->dir = DIR_DOWN; break;
case DIR_NONE:
warning("aiRightBotFindGoal: DIR_NONE found");
}
} else if (!bg && !e1) {
switch (e->dir) {
case DIR_UP: e->dir = DIR_LEFT; break;
case DIR_DOWN: e->dir = DIR_RIGHT; break;
case DIR_LEFT: e->dir = DIR_DOWN; break;
case DIR_RIGHT: e->dir = DIR_UP; break;
case DIR_NONE:
warning("aiRightBotFindGoal: DIR_NONE found");
}
} else {
switch (e->dir) {
case DIR_UP: e->dir = DIR_DOWN; yv = 1; xv = 0; break;
case DIR_DOWN: e->dir = DIR_UP; yv = -1; xv = 0; break;
case DIR_LEFT: e->dir = DIR_RIGHT; yv = 0; xv = 1; break;
case DIR_RIGHT: e->dir = DIR_LEFT; yv = 0; xv = -1; break;
case DIR_NONE:
warning("aiRightBotFindGoal: DIR_NONE found");
}
sx += xv;
sy += yv;
rotate = 4;
}
}
} while (rotate >= 1 && rotate < 4);
switch (e->dir) {
case DIR_UP:
e->state = STATE_MOVEUP;
break;
case DIR_DOWN:
e->state = STATE_MOVEDOWN;
break;
case DIR_LEFT:
e->state = STATE_MOVELEFT;
break;
case DIR_RIGHT:
e->state = STATE_MOVERIGHT;
break;
case DIR_NONE:
warning("aiRightBotFindGoal: DIR_NONE found");
break;
}
e->goalX = sx;
e->goalY = sy;
e->xVel = xv * e->moveSpeed;
e->yVel = yv * e->moveSpeed;
if (e->onScreen)
warning("STUB: aiRightBotFindGoal: Play SND_RIGHTBOT_TURN");
}
void aiRightBotAction(AIEntity *e) {
AIEntity *p = g_hdb->_ai->getPlayer();
if (e->goalX) {
if (e->onScreen && g_hdb->_ai->checkPlayerCollision(e->x, e->y, 0) && p->state != STATE_DEAD && p->level == e->level && !g_hdb->_ai->playerDead())
g_hdb->_ai->killPlayer(DEATH_NORMAL);
g_hdb->_ai->animateEntity(e);
} else {
aiRightBotFindGoal(e);
g_hdb->_ai->animEntFrames(e);
}
}
void aiPushBotInit(AIEntity *e) {
if (e->value1 != 1)
e->aiAction = aiPushBotAction;
}
void aiPushBotInit2(AIEntity *e) {
e->draw = g_hdb->_ai->getStandFrameDir(e);
}
void aiPushBotAction(AIEntity *e) {
AIState moveState[5] = { STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT };
int xvAhead[5] = { 9, 0, 0,-1, 1 }, yvAhead[5] = { 9,-1, 1, 0, 0 };
AIDir oneEighty[5] = { DIR_NONE, DIR_DOWN, DIR_UP, DIR_RIGHT, DIR_LEFT };
uint32 bgFlags, fgFlags;
int nx, ny, nx2, ny2, result;
AIEntity *e1 = NULL, *e2;
if (e->goalX) {
g_hdb->_ai->animateEntity(e);
if (e->onScreen && g_hdb->_ai->checkPlayerCollision(e->x, e->y, 4) && !g_hdb->_ai->playerDead())
g_hdb->_ai->killPlayer(DEATH_NORMAL);
} else {
if (e->onScreen && g_hdb->_ai->checkPlayerCollision(e->x, e->y, 4) && !g_hdb->_ai->playerDead())
g_hdb->_ai->killPlayer(DEATH_NORMAL);
// Where to go next
nx = e->tileX + xvAhead[e->dir];
ny = e->tileY + yvAhead[e->dir];
e1 = g_hdb->_ai->legalMove(nx, ny, e->level, &result);
// Push something
// Turn Around
// Move Forward
if (e1 && onEvenTile(e1->x, e1->y) && (e1->type == AI_LIGHTBARREL || e1->type == AI_HEAVYBARREL || e1->type == AI_BOOMBARREL || e1->type == AI_CRATE)) {
// Actually going over a floating crate?
if (e1 && (e1->state == STATE_FLOATING || e1->state == STATE_MELTED)) {
e->state = moveState[e->dir];
g_hdb->_ai->setEntityGoal(e, nx, ny);
g_hdb->_ai->animateEntity(e);
return;
}
nx2 = nx + xvAhead[e->dir];
ny2 = ny + yvAhead[e->dir];
bgFlags = g_hdb->_map->getMapBGTileFlags(nx2, ny2);
fgFlags = g_hdb->_map->getMapFGTileFlags(nx2, ny2);
e2 = g_hdb->_ai->findEntity(nx2, ny2);
result = (e->level == 1) ? (bgFlags & kFlagSolid) : !(fgFlags & kFlagGrating) && (bgFlags & kFlagSolid);
// If we're going to push something onto a floating thing, that's ok
if (e2 && (e2->state == STATE_FLOATING || e2->state == STATE_MELTED))
e2 = NULL;
// If no walls in front & no entities
if (!result && !e2 && e1->state != STATE_EXPLODING) {
e->state = moveState[e->dir];
g_hdb->_ai->setEntityGoal(e, nx, ny);
e1->dir = e->dir;
e1->state = e->state;
e1->moveSpeed = e->moveSpeed;
g_hdb->_ai->setEntityGoal(e1, nx2, ny2);
warning("STUB: aiPushBotAction: Switch Case for Sound");
} else {
if (e->onScreen)
warning("STUB: aiPushBotAction: Play SND_PUSHBOT_STRAIN");
e->dir = oneEighty[e->dir];
e->state = moveState[e->dir];
nx = e->tileX + xvAhead[e->dir];
ny = e->tileY + yvAhead[e->dir];
e1 = g_hdb->_ai->legalMove(nx, ny, e->level, &result);
if (!e1 && result)
g_hdb->_ai->setEntityGoal(e, nx, ny);
}
} else if (!result || (e1 && !onEvenTile(e1->x, e1->y))) {
e->dir = oneEighty[e->dir];
e->state = moveState[e->dir];
nx = e->tileX + xvAhead[e->dir];
ny = e->tileY + yvAhead[e->dir];
e1 = g_hdb->_ai->legalMove(nx, ny, e->level, &result);
if (!e1 && result)
g_hdb->_ai->setEntityGoal(e, nx, ny);
} else {
e->state = moveState[e->dir];
g_hdb->_ai->setEntityGoal(e, nx, ny);
}
g_hdb->_ai->animateEntity(e);
}
}
} // End of Namespace
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