/* 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 "common/random.h" #include "hdb/hdb.h" #include "hdb/ai.h" #include "hdb/ai-player.h" #include "hdb/gfx.h" #include "hdb/lua-script.h" #include "hdb/map.h" #include "hdb/mpc.h" #include "hdb/sound.h" #include "hdb/window.h" namespace HDB { //------------------------------------------------------------------- // // OMNIBOT : This guy moves on a path and if he sees the player // directly ahead, he will shoot at him // //------------------------------------------------------------------- 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 (hitPlayer(e->x, e->y) && (p->level == e->level)) { g_hdb->_ai->killPlayer(DEATH_FRIED); return; } // Shoot player ? if (onEvenTile(e->x, e->y) && g_hdb->getActionMode()) { int xv = 0, yv = 0, result; bool shoot = false; // 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 = true; yv = -1; } break; case DIR_DOWN: if (p->x == e->x && p->y > e->y) { shoot = true; yv = 1; } break; case DIR_LEFT: if (p->x < e->x && p->y == e->y) { shoot = true; xv = -1; } break; case DIR_RIGHT: if (p->x > e->x && p->y == e->y) { shoot = true; xv = 1; } break; case DIR_NONE: break; } // If shoot = true, 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) { AIEntity *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)) g_hdb->_sound->playSound(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) g_hdb->_sound->playSound(SND_OMNIBOT_AMBIENT); } if (e->sequence) e->sequence--; } //------------------------------------------------------------------- // // OMNIBOT MISSILE : Used by the FOURFIRER and OMNIBOT, this deadly // missile flies through the air, killing anything it hits // //------------------------------------------------------------------- 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 (hitPlayer(e->x, e->y) && (p->level == e->level)) { 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); } } //------------------------------------------------------------------- // // TURNBOT : Moves straight ahead until it hits a wall, then turns // right and continues. // //------------------------------------------------------------------- void aiTurnBotInit(AIEntity *e) { e->aiAction = aiTurnBotAction; } void aiTurnBotInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); } void aiTurnBotChoose(AIEntity *e) { static const int xvAhead[5] = { 9, 0, 0, -1, 1 }; static const int yvAhead[5] = { 9, -1, 1, 0, 0 }; static const AIDir turnRight[5] = { DIR_NONE, DIR_RIGHT, DIR_LEFT, DIR_UP, DIR_DOWN }; static const AIState dirState[5] = { STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT }; int xv = xvAhead[e->dir]; int 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) g_hdb->_sound->playSound(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); } //------------------------------------------------------------------- // // SHOCKBOT : Moves on a path, electrifying all tiles surrounding it // that are METAL. Will pause when changing directions. // //------------------------------------------------------------------- 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 (hitPlayer(e->x, e->y)) 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) g_hdb->_sound->playSound(SND_SHOCKBOT_AMBIENT); } if (e->sequence) e->sequence--; } void aiShockBotShock(AIEntity *e, int mx, int my) { static const int offX[8] = { -1, 0, 1, 1, 1, 0, -1, -1 }; static const 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); for (int i = 0; i < 8; i++) { uint32 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); } } } } } //------------------------------------------------------------------- // // RIGHTBOT // // Rules: Follows the right-hand wall. That's it! // //------------------------------------------------------------------- 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: break; } } void aiRightBotFindGoal(AIEntity *e) { static const int xvAhead[5] = { 9, 0, 0,-1, 1 }; static const int yvAhead[5] = { 9,-1, 1, 0, 0 }; static const int xvAToR[5] = { 9, 1,-1,-1, 1 }; static const int yvAToR[5] = { 9,-1, 1,-1, 1 }; static const int xvToR[5] = { 9, 1,-1, 0, 0 }; static const int yvToR[5] = { 9, 0, 0,-1, 1 }; static const int xvToL[5] = { 9,-1, 1, 0, 0 }; static const int yvToL[5] = { 9, 0, 0, 1,-1 }; AIEntity *p = g_hdb->_ai->getPlayer(); int rotate = 0; int xv, yv; int bg, bg2, bg3; AIEntity *e1, *e2, *e3; int sx, sy; do { xv = xvAhead[e->dir]; // Search Ahead yv = yvAhead[e->dir]; int xv2 = xvAToR[e->dir]; // Search Ahead and to the Right int yv2 = yvAToR[e->dir]; int xv3 = xvToR[e->dir]; // Search to the Right int yv3 = yvToR[e->dir]; // Search until we hit a wall...or empty space to our right (and forward) bool hit = false; 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 = true; } // 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: break; } } 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: break; } } 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: break; } 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: break; } e->goalX = sx; e->goalY = sy; e->xVel = xv * e->moveSpeed; e->yVel = yv * e->moveSpeed; if (e->onScreen) g_hdb->_sound->playSound(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); } } //------------------------------------------------------------------- // // PUSHBOT : Very simple, this guy goes forward and pushes anything in his // path all the way until it can't go any further. Then, he turns 180 // degress and comes back until he can't go any further. Then... he // turns 180 degrees and does it all over again! // //------------------------------------------------------------------- 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) { static const AIState moveState[5] = { STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT }; static const int xvAhead[5] = { 9, 0, 0,-1, 1 }; static const int yvAhead[5] = { 9,-1, 1, 0, 0 }; static const AIDir oneEighty[5] = { DIR_NONE, DIR_DOWN, DIR_UP, DIR_RIGHT, DIR_LEFT }; AIEntity *e1 = nullptr; if (e->goalX) { g_hdb->_ai->animateEntity(e); if (hitPlayer(e->x, e->y)) g_hdb->_ai->killPlayer(DEATH_NORMAL); } else { if (hitPlayer(e->x, e->y)) g_hdb->_ai->killPlayer(DEATH_NORMAL); // Where to go next int nx = e->tileX + xvAhead[e->dir]; int ny = e->tileY + yvAhead[e->dir]; int result; 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; } int nx2 = nx + xvAhead[e->dir]; int ny2 = ny + yvAhead[e->dir]; uint32 bgFlags = g_hdb->_map->getMapBGTileFlags(nx2, ny2); uint32 fgFlags = g_hdb->_map->getMapFGTileFlags(nx2, ny2); AIEntity *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 = nullptr; // 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); switch (e1->type) { case AI_CRATE: g_hdb->_sound->playSound(SND_CRATE_SLIDE); break; case AI_HEAVYBARREL: case AI_BOOMBARREL: g_hdb->_sound->playSound(SND_HEAVY_SLIDE); break; case AI_LIGHTBARREL: g_hdb->_sound->playSound(SND_LIGHT_SLIDE); break; default: break; } } else { if (e->onScreen) g_hdb->_sound->playSound(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); } } //------------------------------------------------------------------- // // RAILRIDER : crazy green goopy dude -- he gives you rides on his // special track! // //------------------------------------------------------------------- void aiRailRiderInit(AIEntity *e) { if (e->type == AI_RAILRIDER_ON) { // On the tracks already - spawn RED arrow g_hdb->_ai->addToPathList(e->tileX, e->tileY, 0, e->dir); e->state = STATE_STANDUP; e->aiAction = aiRailRiderOnAction; e->aiUse = aiRailRiderOnUse; } else { e->state = STATE_STANDDOWN; e->sequence = 0; e->aiAction = aiRailRiderAction; e->aiUse = aiRailRiderUse; } e->moveSpeed = kPlayerMoveSpeed; } void aiRailRiderInit2(AIEntity *e) { e->draw = e->standdownGfx[0]; } // Talking to RailRider off track void aiRailRiderUse(AIEntity *e) { e->sequence = 1; } void aiRailRiderAction(AIEntity *e) { switch (e->sequence) { // Waiting for Dialog to goaway case 1: // Dialog gone? if (!g_hdb->_window->dialogActive()) { e->sequence = 2; switch (e->dir) { case DIR_UP: e->xVel = 0; e->yVel = -1; break; case DIR_DOWN: e->xVel = 0; e->yVel = 1; break; case DIR_LEFT: e->xVel = -1; e->yVel = 0; break; case DIR_RIGHT: e->xVel = 1; e->yVel = 0; break; case DIR_NONE: break; } } break; // Walking over to track case 2: e->x += e->xVel; e->y += e->yVel; if (onEvenTile(e->x, e->y)) { ArrowPath *arrowPath; e->tileX = e->x / kTileWidth; e->tileY = e->y / kTileHeight; e->sequence = 3; // Wait for use e->type = AI_RAILRIDER_ON; e->state = STATE_STANDUP; e->aiAction = aiRailRiderOnAction; e->aiUse = aiRailRiderOnUse; arrowPath = g_hdb->_ai->findArrowPath(e->tileX, e->tileY); e->dir = arrowPath->dir; e->value1 = 0; // Not in a tunnel } break; } // Cycle through animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standdownFrames) e->animFrame = 0; e->draw = e->standdownGfx[e->animFrame]; } // Talking to RailRider on track void aiRailRiderOnUse(AIEntity *e) { AIEntity *p = g_hdb->_ai->getPlayer(); if (p->tileX == e->tileX) { if (p->tileY > e->tileY) g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY - 1); else g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY + 1); } else if (p->tileX > e->tileX) g_hdb->_ai->setEntityGoal(p, p->tileX - 1, p->tileY); else g_hdb->_ai->setEntityGoal(p, p->tileX + 1, p->tileY); e->sequence = -1; // Waiting for player to board } void aiRailRiderOnAction(AIEntity *e) { static const int xv[5] = { 9, 0, 0, -1, 1 }; static const int yv[5] = { 9, -1, 1, 0, 0 }; AIEntity*p = g_hdb->_ai->getPlayer(); switch (e->sequence) { // Player is boarding case -1: if (!p->goalX) e->sequence = 1; // Boarded yet? // fallthrough // Cycle Animation Frames case 3: if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standupFrames) e->animFrame = 0; e->draw = e->standupGfx[e->animFrame]; break; // Player is in - lock him case 1: g_hdb->_ai->setPlayerInvisible(true); g_hdb->_ai->setPlayerLock(true); g_hdb->_ai->setEntityGoal(e, e->tileX + xv[e->dir], e->tileY + yv[e->dir]); g_hdb->_sound->playSound(SND_RAILRIDER_TASTE); e->sequence = 2; e->value1 = 0; // fallthrough // New RailRider gfx // Move the RailRider case 2: { // Done moving to next spot? if (!e->goalX) { ArrowPath *arrowPath = g_hdb->_ai->findArrowPath(e->tileX, e->tileY); if (arrowPath) { // Stop Arrow? if (!arrowPath->type) { HereT *h; e->sequence = 4; // Get Player off RailRider - RIGHT SIDE ONLY p->tileX = e->tileX; p->tileY = e->tileY; p->x = e->x; p->y = e->y; // Try to find a HERE icon to either side of the track and go there switch (e->dir) { case DIR_UP: h = g_hdb->_ai->findHere(e->tileX - 1, e->tileY); if (h) g_hdb->_ai->setEntityGoal(p, e->tileX - 1, e->tileY); else g_hdb->_ai->setEntityGoal(p, e->tileX + 1, e->tileY); break; case DIR_DOWN: h = g_hdb->_ai->findHere(e->tileX + 1, e->tileY); if (h) g_hdb->_ai->setEntityGoal(p, e->tileX + 1, e->tileY); else g_hdb->_ai->setEntityGoal(p, e->tileX - 1, e->tileY); break; case DIR_LEFT: h = g_hdb->_ai->findHere(e->tileX, e->tileY + 1); if (h) g_hdb->_ai->setEntityGoal(p, e->tileX, e->tileY + 1); else g_hdb->_ai->setEntityGoal(p, e->tileX, e->tileY - 1); break; case DIR_RIGHT: h = g_hdb->_ai->findHere(e->tileX, e->tileY - 1); if (h) g_hdb->_ai->setEntityGoal(p, e->tileX, e->tileY - 1); else g_hdb->_ai->setEntityGoal(p, e->tileX, e->tileY + 1); break; case DIR_NONE: break; } g_hdb->_ai->setPlayerInvisible(false); g_hdb->_sound->playSound(SND_RAILRIDER_EXIT); } else if (arrowPath->type == 1) { e->dir = arrowPath->dir; g_hdb->_ai->setEntityGoal(e, e->tileX + xv[e->dir], e->tileY + yv[e->dir]); } } else g_hdb->_ai->setEntityGoal(e, e->tileX + xv[e->dir], e->tileY + yv[e->dir]); g_hdb->_sound->playSound(SND_RAILRIDER_ONTRACK); } p->tileX = e->tileX; p->tileY = e->tileY; p->x = e->x; p->y = e->y; g_hdb->_ai->animateEntity(e); switch (e->dir) { case DIR_UP: e->draw = e->moveupGfx[0]; break; case DIR_DOWN: e->draw = e->movedownGfx[0]; break; case DIR_LEFT: e->draw = e->moveleftGfx[0]; break; case DIR_RIGHT: e->draw = e->moverightGfx[0]; break; default: break; // DIR_NONE } g_hdb->_map->centerMapXY(e->x + 16, e->y + 16); SingleTele t; // Did we hit a tunnel entrance? if (onEvenTile(e->x, e->y) && g_hdb->_ai->findTeleporterDest(e->tileX, e->tileY, &t) && !e->value1 && !e->dir2) { // Set tunnel destination e->value1 = t.x; e->value2 = t.y; e->dir2 = (AIDir)(t.x + t.y); // Flag for coming out of tunnel } // Are we going through a tunnel? if (e->value1) { // Reach the End? // If not, don't draw RailRider if (onEvenTile(e->x, e->y) && e->tileX == e->value1 && e->tileY == e->value2) e->value1 = 0; else e->draw = NULL; } else if (e->dir2 && e->dir2 != (AIDir)(e->tileX + e->tileY)) e->dir2 = DIR_NONE; break; } // Waiting for Player to move to Dest case 4: if (!p->goalX) { g_hdb->_ai->setPlayerLock(false); e->sequence = 3; // Wait for Use } // Cycle Animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standupFrames) e->animFrame = 0; e->draw = e->standupGfx[e->animFrame]; break; } } //------------------------------------------------------------------- // // MAINTBOT : This little fella likes to cause trouble! He just jubs // around the map and looks for stuff to press. Touch him and you die. // //------------------------------------------------------------------- void aiMaintBotInit(AIEntity *e) { // value1 field determines whether the "MMM!" sound plays // 1 means NO e->int1 = e->value1; e->aiAction = aiMaintBotAction; e->value1 = 0; g_hdb->_ai->findPath(e); } void aiMaintBotInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); } void aiMaintBotAction(AIEntity *e) { static const AIState useState[5] = {STATE_NONE, STATE_USEUP, STATE_USEDOWN, STATE_USELEFT, STATE_USERIGHT}; static const AIState standState[5] = {STATE_NONE, STATE_STANDUP, STATE_STANDDOWN, STATE_STANDLEFT, STATE_STANDRIGHT}; static const int xvAhead[5] = {9, 0, 0,-1, 1}; static const int yvAhead[5] = {9,-1, 1, 0, 0}; static const int whistles[3] = {SND_MBOT_WHISTLE1, SND_MBOT_WHISTLE2, SND_MBOT_WHISTLE3}; static const AIDir lookRight[5] = {DIR_NONE, DIR_RIGHT, DIR_LEFT, DIR_UP, DIR_DOWN}; static const AIDir lookLeft[5] = {DIR_NONE, DIR_LEFT, DIR_RIGHT, DIR_DOWN, DIR_UP}; static const AIDir dirList[5] = {DIR_NONE, DIR_UP, DIR_DOWN, DIR_LEFT, DIR_RIGHT}; // Waiting at an arrow (or hit by player)? if (e->sequence) { e->sequence--; g_hdb->_ai->animEntFrames(e); // Use Something here if (!e->value2) switch (e->sequence) { case 50: if (e->onScreen && !e->int1 && !g_hdb->isDemo()) { if (g_hdb->_rnd->getRandomNumber(1)) g_hdb->_sound->playSound(SND_MBOT_HMMM2); else g_hdb->_sound->playSound(SND_MBOT_HMMM); } break; // Need to USE the object case 30: { e->state = useState[e->dir]; int nx = e->tileX + xvAhead[e->dir]; int ny = e->tileY + yvAhead[e->dir]; AIEntity *it = g_hdb->_ai->findEntity(nx, ny); if (it) { if (e->onScreen) e->value1 = 1; g_hdb->useEntity(it); break; } // Did the MaintBot use an Action Tile? if (g_hdb->_ai->checkActionList(e, nx, ny, true)) { if (e->onScreen) e->value1 = 1; break; } // Did the MaintBot use an AutoAction Tile? if (g_hdb->_ai->checkAutoList(e, nx, ny)) { if (e->onScreen) e->value1 = 1; break; } // Did the MaintBot use a LUA Tile? if (g_hdb->_ai->checkLuaList(e, nx, ny)) { if (e->onScreen) e->value1 = 1; break; } break; } // Play a sound if we used something case 25: e->value1 = 0; break; // Change to Standing frames case 20: e->state = standState[e->dir]; break; // All done - find a new path case 0: e->dir = e->dir2; g_hdb->_ai->findPath(e); g_hdb->_ai->animateEntity(e); break; } // Deciding where to go at 4-way else { switch (e->sequence) { // HMM case 50: if (e->onScreen && !e->int1 && !g_hdb->isDemo()) g_hdb->_sound->playSound(SND_MBOT_HMMM); break; // Look Right case 40: e->dir = lookRight[e->dir2]; e->state = standState[e->dir]; break; // Look Left case 30: e->dir = lookLeft[e->dir]; e->state = standState[e->dir]; break; // HMM2 case 25: if (e->onScreen && !e->int1 && !g_hdb->isDemo()) g_hdb->_sound->playSound(SND_MBOT_HMMM2); break; // Decide direction and GO case 0: int dir = (g_hdb->_rnd->getRandomNumber(3)) + 1; e->dir = dirList[dir]; g_hdb->_ai->findPath(e); if (e->onScreen && !g_hdb->isDemo()) g_hdb->_sound->playSound(whistles[g_hdb->_rnd->getRandomNumber(2)]); break; } } return; } // Moving already, keep going if (e->goalX) { g_hdb->_ai->animateEntity(e); if (hitPlayer(e->x, e->y)) { g_hdb->_ai->killPlayer(DEATH_GRABBED); if (!g_hdb->isDemo()) g_hdb->_sound->playSound(SND_MBOT_DEATH); } } else { // Check if there's an arrow UNDER the bot, and if its RED // If so, turn in that direction and use something ArrowPath *ar = g_hdb->_ai->findArrowPath(e->tileX, e->tileY); if (ar) { // STOP Arrow // GO Arrow // 4-way Arrow if (!ar->type) { e->dir2 = e->dir; // dir2 holds the last direction we were travelling in e->dir = ar->dir; e->sequence = 64; // sequence is the timer of events e->state = standState[e->dir]; e->value2 = 0; return; } else if (ar->type == 1) { g_hdb->_ai->findPath(e); if (!g_hdb->isDemo()) g_hdb->_sound->playSound(whistles[g_hdb->_rnd->getRandomNumber(2)]); } else { e->sequence = 64; e->dir2 = e->dir; e->value2 = 1; return; } } g_hdb->_ai->animateEntity(e); } } //------------------------------------------------------------------- // // FOURFIRER : This bot turns and fires in the direction it's facing, // but only if the player is visible // //------------------------------------------------------------------- void aiFourFirerInit(AIEntity *e) { e->value1 = 0; e->aiAction = aiFourFirerAction; } void aiFourFirerInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); } void aiFourFirerAction(AIEntity *e) { static const AIState state[5] = {STATE_NONE, STATE_STANDUP, STATE_STANDDOWN, STATE_STANDLEFT, STATE_STANDRIGHT}; static const AIDir turn[5] = {DIR_NONE, DIR_RIGHT, DIR_LEFT, DIR_UP, DIR_DOWN}; AIEntity *p = g_hdb->_ai->getPlayer(); // Time to turn right? if (!e->value1) { e->dir = turn[e->dir]; e->state = state[e->dir]; e->value1 = 16; if (e->onScreen) g_hdb->_sound->playSound(SND_FOURFIRE_TURN); } e->value1--; // Waiting before firing again? if (e->sequence) { e->sequence--; return; } g_hdb->_ai->animEntFrames(e); // Can we see the player on the same level? if ((e->level != p->level) || g_hdb->_ai->playerDead() || !e->onScreen) return; // Check player direction bool shoot = false; int xv = 0; int yv = 0; switch (e->dir) { case DIR_UP: if (p->x == e->x && p->y < e->y) { shoot = true; yv = -1; } break; case DIR_DOWN: if (p->x == e->x && p->y > e->y) { shoot = true; yv = 1; } break; case DIR_LEFT: if (p->y == e->y && p->x < e->x) { shoot = true; xv = -1; } break; case DIR_RIGHT: if (p->y == e->y && p->x > e->x) { shoot = true; xv = 1; } break; case DIR_NONE: break; } // Shoot if needed // Make sure not shooting into solid tile // Make sure if shooting at entity it is the player int result; AIEntity *hit = g_hdb->_ai->legalMoveOverWater(e->tileX + xv, e->tileY + yv, e->level, &result); if (hit && hit->type == AI_GUY) hit = nullptr; if (shoot && !hit && result) { AIEntity *fire = 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); if (g_hdb->_map->onScreen(e->tileX, e->tileY)) g_hdb->_sound->playSound(SND_FOUR_FIRE); fire->xVel = xv * kPlayerMoveSpeed * 2; fire->yVel = yv * kPlayerMoveSpeed * 2; if (!g_hdb->getActionMode()) { fire->xVel >>= 1; fire->yVel >>= 1; } e->sequence = 16; if (hitPlayer(fire->tileX*kTileWidth, fire->tileY*kTileHeight)) g_hdb->_ai->killPlayer(DEATH_FRIED); } } //------------------------------------------------------------------- // // DEADEYE : Crazy attack dog with Chompie(tm) sounds! Will sit in one spot // looking around, then run in a random direction and distance. If, while // scanning, Deadeye sees the player, he goes nuts and attacks! // //------------------------------------------------------------------- void aiDeadEyeInit(AIEntity *e) { e->sequence = 64; e->blinkFrames = e->goalX = 0; if (e->value1 == 1) e->aiAction = aiDeadEyeWalkInPlace; else e->aiAction = aiDeadEyeAction; } void aiDeadEyeInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); } void aiDeadEyeWalkInPlace(AIEntity *e) { static const AIState state[5] = {STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT}; e->sequence--; switch (e->sequence) { case 50: case 40: case 30: case 20: case 10: { int rnd = g_hdb->_rnd->getRandomNumber(3) + 1; e->dir = (AIDir)rnd; e->state = state[rnd]; if (e->onScreen) { if (e->sequence == 50) g_hdb->_sound->playSound(SND_DEADEYE_AMB01); else if (e->sequence == 10) g_hdb->_sound->playSound(SND_DEADEYE_AMB02); } } break; case 0: e->sequence = 64; } g_hdb->_ai->animEntFrames(e); } void aiDeadEyeAction(AIEntity *e) { static const AIState state[5] = {STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT}; static const int xvAhead[5] = {9, 0, 0, -1, 1}; static const int yvAhead[5] = {9, -1, 1, 0, 0}; if (e->sequence) { e->sequence--; if (e->blinkFrames) // Between attacks timer e->blinkFrames--; // Is player visible to us? AIEntity *p = g_hdb->_ai->getPlayer(); if (e->onScreen && p->level == e->level && !e->blinkFrames) { bool nuts = false; switch (e->dir) { case DIR_UP: if (p->tileX == e->tileX && p->tileY < e->tileY) nuts = true; break; case DIR_DOWN: if (p->tileX == e->tileX && p->tileY > e->tileY) nuts = true; break; case DIR_LEFT: if (p->tileY == e->tileY && p->tileX < e->tileX) nuts = true; break; case DIR_RIGHT: if (p->tileY == e->tileY && p->tileX > e->tileX) nuts = true; break; case DIR_NONE: break; } // Did we see the player (and we're done moving)? if (nuts && e->aiAction != aiDeadEyeWalkInPlace) { e->sequence = 0; e->blinkFrames = 20; int xv = xvAhead[e->dir]; int yv = yvAhead[e->dir]; int newX = e->tileX + xv; int newY = e->tileY + yv; bool okToMove = false; bool done = false; do { int result; AIEntity *hit = g_hdb->_ai->legalMove(newX, newY, e->level, &result); if (hit && hit->type == AI_GUY) hit = nullptr; if (result && !hit) { okToMove = true; newX += xv; newY += yv; if (newX == p->tileX && newY == p->tileY) done = true; } else { newX -= xv; newY -= yv; done = true; } } while (!done); // If we can move in the direction of the player, set our goal at him if (okToMove) { e->moveSpeed = kPlayerMoveSpeed << 1; g_hdb->_ai->setEntityGoal(e, newX, newY); (p->tileX & 1) ? g_hdb->_sound->playSound(SND_DEADEYE_ATTACK01) : g_hdb->_sound->playSound(SND_DEADEYE_ATTACK02); } g_hdb->_ai->animateEntity(e); return; } } switch (e->sequence) { // Look around case 50: case 40: case 30: case 20: case 10: { int dir = g_hdb->_rnd->getRandomNumber(3) + 1; e->dir = (AIDir)dir; e->state = state[dir]; if (e->onScreen) { if (e->sequence == 50) g_hdb->_sound->playSound(SND_DEADEYE_AMB01); else if (e->sequence == 10) g_hdb->_sound->playSound(SND_DEADEYE_AMB02); } } break; case 0: // Pick a random direction and random number of tiles in that direction int dir = g_hdb->_rnd->getRandomNumber(3) + 1; int walk = g_hdb->_rnd->getRandomNumber(4) + 1; e->dir = (AIDir)dir; e->state = state[dir]; int xv = xvAhead[dir] * walk; if (e->tileX + xv < 1) xv = 1 - e->tileX; if (e->tileX + xv > g_hdb->_map->_width) xv = g_hdb->_map->_width - e->tileX - 1; int yv = yvAhead[dir] * walk; if (e->tileY + yv < 1) yv = 1 - e->tileY; if (e->tileY + yv > g_hdb->_map->_height) yv = g_hdb->_map->_height - e->tileY - 1; e->value1 = xvAhead[dir]; e->value2 = yvAhead[dir]; e->moveSpeed = kPlayerMoveSpeed; int result; AIEntity *hit = g_hdb->_ai->legalMove(e->tileX + xvAhead[e->dir], e->tileY + yvAhead[e->dir], e->level, &result); if (hit && hit->type == AI_GUY) hit = nullptr; if (!hit && result) g_hdb->_ai->setEntityGoal(e, e->tileX + xv, e->tileY + yv); break; } g_hdb->_ai->animEntFrames(e); return; } // In the process of moving around if (e->goalX) { // Hit the player if (hitPlayer(e->x, e->y)) { g_hdb->_ai->killPlayer(DEATH_GRABBED); return; } // Did we run into a wall, entity, water, slime etc? // If so, Pick new direction if (onEvenTile(e->x, e->y)) { int result; AIEntity *hit = g_hdb->_ai->legalMove(e->tileX + e->value1, e->tileY + e->value2, e->level, &result); if (hit && hit->type == AI_GUY) hit = nullptr; if (!result || hit) { g_hdb->_ai->stopEntity(e); e->state = STATE_MOVEDOWN; e->sequence = 64; return; } } g_hdb->_ai->animateEntity(e); } else // If not, start looking around e->sequence = 64; } //------------------------------------------------------------------- // // LASER // //------------------------------------------------------------------- void aiLaserInit(AIEntity *e) { e->aiDraw = aiLaserDraw; // start & end of laser beam e->value1 = e->value2 = 0; } void aiLaserInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); if (!g_hdb->_ai->_gfxLaserbeamUD[0]) { char name[64]; for (int i = 0; i < 4; i++) { sprintf(name, FORCEFIELD_UD"0%d", i + 1); g_hdb->_ai->_gfxLaserbeamUD[i] = g_hdb->_gfx->loadTile(name); sprintf(name, FORCESPLASH_TOP"0%d", i + 1); g_hdb->_ai->_gfxLaserbeamUDTop[i] = g_hdb->_gfx->loadTile(name); sprintf(name, FORCESPLASH_BTM"0%d", i + 1); g_hdb->_ai->_gfxLaserbeamUDBottom[i] = g_hdb->_gfx->loadTile(name); sprintf(name, FORCEFIELD_LR"0%d", i + 1); g_hdb->_ai->_gfxLaserbeamLR[i] = g_hdb->_gfx->loadTile(name); sprintf(name, FORCESPLASH_LEFT"0%d", i + 1); g_hdb->_ai->_gfxLaserbeamLRLeft[i] = g_hdb->_gfx->loadTile(name); sprintf(name, FORCESPLASH_RIGHT"0%d", i + 1); g_hdb->_ai->_gfxLaserbeamLRRight[i] = g_hdb->_gfx->loadTile(name); } } } void aiLaserAction(AIEntity *e) { static const int xva[] = {9, 0, 0,-1, 1}; static const int yva[] = {9,-1, 1, 0, 0}; AIEntity *hit = e; int moveOK = 0; do { int nx = hit->tileX; int ny = hit->tileY; if (hit->type != AI_DIVERTER) { hit->int1 = xva[hit->dir]; hit->int2 = yva[hit->dir]; if (hit->dir == DIR_UP || hit->dir == DIR_DOWN) hit->value1 = ny; else hit->value1 = nx; } else { // diverter is on y-plane? if (hit->tileX == e->tileX) { hit->value1 = nx; hit->int2 = 0; switch (hit->dir2) { case DIR_UP: hit->int1 = 1; break; case DIR_DOWN: hit->int1 = -1; break; case DIR_LEFT: hit->int1 = -1; break; case DIR_RIGHT: hit->int1 = 1; break; case DIR_NONE: break; } } else { // diverter is on x-plane hit->value1 = ny; hit->int1 = 0; switch (hit->dir2) { case DIR_UP: hit->int2 = 1; break; case DIR_DOWN: hit->int2 = 1; break; case DIR_LEFT: hit->int2 = -1; break; case DIR_RIGHT: hit->int2 = -1; break; case DIR_NONE: break; } } } e = hit; // // scan for all legal moves // do { nx += e->int1; ny += e->int2; hit = g_hdb->_ai->legalMoveOverWater(nx, ny, e->level, &moveOK); g_hdb->_map->setLaserBeam(nx, ny, 1); if (hit && hit->type != AI_LASERBEAM) { // // hit player = death // if (hit == g_hdb->_ai->getPlayer() && onEvenTile(hit->x, hit->y) && !g_hdb->_ai->playerDead()) g_hdb->_ai->killPlayer(DEATH_FRIED); else if (hit->type == AI_BOOMBARREL && hit->state != STATE_EXPLODING && onEvenTile(hit->x, hit->y)) { // hit BOOM BARREL = explodes aiBarrelExplode(hit); aiBarrelBlowup(hit, nx, ny); } else if (hit->type == AI_LIGHTBARREL || hit->type == AI_HEAVYBARREL || hit->type == AI_CRATE) { // hit LIGHT/HEAVY BARREL = blocking moveOK = 0; } else if (hit->type == AI_DIVERTER) { // hit a diverter? moveOK = 0; } else if (onEvenTile(hit->x, hit->y) && hit != g_hdb->_ai->getPlayer()) { switch (hit->type) { // cannot kill Vortexians! case AI_VORTEXIAN: continue; case AI_BOOMBARREL: if (hit->state == STATE_EXPLODING) continue; break; case AI_LASER: g_hdb->_ai->_laserRescan = true; break; case ITEM_KEYCARD_WHITE: case ITEM_KEYCARD_BLUE: case ITEM_KEYCARD_RED: case ITEM_KEYCARD_GREEN: case ITEM_KEYCARD_PURPLE: case ITEM_KEYCARD_BLACK: case ITEM_CABKEY: g_hdb->_window->centerTextOut("CARD DESTROYED!", 306, 5 * 60); g_hdb->_sound->playSound(SND_QUEST_FAILED); break; default: break; } g_hdb->_ai->removeEntity(hit); g_hdb->_ai->addAnimateTarget(nx * kTileWidth, ny * kTileHeight, 0, 3, ANIM_NORMAL, false, false, GROUP_EXPLOSION_BOOM_SIT); g_hdb->_sound->playSound(SND_BARREL_EXPLODE); } } } while (moveOK); if (e->int2) { e->value2 = ny; // check for hitting the BACK of a Diverter. It stops the laser. if (hit && hit->type == AI_DIVERTER) { if (e->int2 < 0 && hit->state != STATE_DIVERTER_BL && hit->state != STATE_DIVERTER_BR) hit = NULL; else if (e->int2 > 0 && hit->state != STATE_DIVERTER_TL && hit->state != STATE_DIVERTER_TR) hit = NULL; } } else { e->value2 = nx; // check for hitting the BACK of a Diverter. It stops the laser. if (hit && hit->type == AI_DIVERTER) { if (e->int1 < 0 && hit->state != STATE_DIVERTER_BR && hit->state != STATE_DIVERTER_TR) hit = NULL; else if (e->int1 > 0 && hit->state != STATE_DIVERTER_TL && hit->state != STATE_DIVERTER_BL) hit = NULL; } } } while (hit && hit->type == AI_DIVERTER); } void aiLaserDraw(AIEntity *e, int mx, int my) { int i; int frame = e->movedownFrames & 3; int onScreen = 0; switch (e->dir) { case DIR_UP: { for (i = e->value1 - 1; i > e->value2; i--) onScreen += g_hdb->_ai->_gfxLaserbeamUD[frame]->drawMasked(e->x - mx, i*kTileWidth - my); onScreen += g_hdb->_ai->_gfxLaserbeamUDBottom[frame & 3]->drawMasked(e->x - mx, i*kTileWidth - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; case DIR_DOWN: { for (i = e->value1 + 1; i < e->value2; i++) onScreen += g_hdb->_ai->_gfxLaserbeamUD[frame]->drawMasked(e->x - mx, i*kTileWidth - my); onScreen += g_hdb->_ai->_gfxLaserbeamUDBottom[frame]->drawMasked(e->x - mx, i*kTileWidth - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; case DIR_LEFT: { for (i = e->value1 - 1; i > e->value2; i--) onScreen += g_hdb->_ai->_gfxLaserbeamLR[frame]->drawMasked(i*kTileWidth - mx, e->y - my); onScreen += g_hdb->_ai->_gfxLaserbeamLRRight[frame]->drawMasked(i*kTileWidth - mx, e->y - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; case DIR_RIGHT: { for (i = e->value1 + 1; i < e->value2; i++) onScreen += g_hdb->_ai->_gfxLaserbeamLR[frame]->drawMasked(i*kTileWidth - mx, e->y - my); onScreen += g_hdb->_ai->_gfxLaserbeamLRLeft[frame]->drawMasked(i*kTileWidth - mx, e->y - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; default: break; } e->movedownFrames++; } //------------------------------------------------------------------- // // DIVERTER // //------------------------------------------------------------------- void aiDiverterInit(AIEntity *e) { e->aiDraw = aiDiverterDraw; e->aiAction = aiDiverterAction; e->moveSpeed = kPlayerMoveSpeed << 1; e->dir2 = e->dir; } void aiDiverterInit2(AIEntity *e) { e->movedownGfx[0] = e->standdownGfx[0]; e->moveupGfx[0] = e->standupGfx[0]; e->moveleftGfx[0] = e->standleftGfx[0]; e->moverightGfx[0] = e->standrightGfx[0]; e->movedownFrames = e->moveupFrames = e->moveleftFrames = e->moverightFrames = 1; // this is to handle loadgames... AIDir d = e->dir2; if (e->dir2 == DIR_NONE) d = e->dir; switch (d) { case DIR_DOWN: e->state = STATE_DIVERTER_BL; e->draw = e->standdownGfx[0]; break; case DIR_UP: e->state = STATE_DIVERTER_BR; e->draw = e->standupGfx[0]; break; case DIR_LEFT: e->state = STATE_DIVERTER_TL; e->draw = e->standleftGfx[0]; break; case DIR_RIGHT: e->state = STATE_DIVERTER_TR; e->draw = e->standrightGfx[0]; break; case DIR_NONE: break; } g_hdb->_ai->_laserRescan = true; } void aiDiverterAction(AIEntity *e) { if (e->goalX) { g_hdb->_ai->animateEntity(e); g_hdb->_ai->_laserRescan = true; // have to reset the state because we might have been moved... switch (e->dir2) { case DIR_DOWN: e->state = STATE_DIVERTER_BL; e->draw = e->standdownGfx[0]; break; case DIR_UP: e->state = STATE_DIVERTER_BR; e->draw = e->standupGfx[0]; break; case DIR_LEFT: e->state = STATE_DIVERTER_TL; e->draw = e->standleftGfx[0]; break; case DIR_RIGHT: e->state = STATE_DIVERTER_TR; e->draw = e->standrightGfx[0]; break; case DIR_NONE: break; } } } void aiDiverterDraw(AIEntity *e, int mx, int my) { if (!e->value1 && !e->value2) return; int frame = e->movedownFrames & 3; int onScreen = 0; int i; switch (e->dir2) { case DIR_UP: if (e->tileY == e->value1 && e->int2) { // going down or right? for (i = e->value1 + 1; i < e->value2; i++) onScreen += g_hdb->_ai->_gfxLaserbeamUD[frame]->drawMasked(e->x - mx, i * kTileHeight - my); onScreen += g_hdb->_ai->_gfxLaserbeamUDTop[frame]->drawMasked(e->x - mx, i * kTileHeight - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } else { for (i = e->value1 + 1; i < e->value2; i++) onScreen += g_hdb->_ai->_gfxLaserbeamLR[frame]->drawMasked(i * kTileWidth - mx, e->y - my); onScreen += g_hdb->_ai->_gfxLaserbeamLRLeft[frame]->drawMasked(i * kTileWidth - mx, e->y - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; case DIR_DOWN: if (e->tileY == e->value1 && e->int2) { // going down or left? for (i = e->value1 + 1; i < e->value2; i++) onScreen += g_hdb->_ai->_gfxLaserbeamUD[frame]->drawMasked(e->x - mx, i * kTileHeight - my); onScreen += g_hdb->_ai->_gfxLaserbeamUDTop[frame]->drawMasked(e->x - mx, i * kTileHeight - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } else { for (i = e->value1 - 1; i > e->value2; i--) onScreen += g_hdb->_ai->_gfxLaserbeamLR[frame]->drawMasked(i * kTileWidth - mx, e->y - my); onScreen += g_hdb->_ai->_gfxLaserbeamLRRight[frame]->drawMasked(i * kTileWidth - mx, e->y - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; case DIR_LEFT: if (e->tileY == e->value1 && e->int2) { // going up or left? for (i = e->value1 - 1; i > e->value2; i--) onScreen += g_hdb->_ai->_gfxLaserbeamUD[frame]->drawMasked(e->x - mx, i * kTileHeight - my); onScreen += g_hdb->_ai->_gfxLaserbeamUDBottom[frame]->drawMasked(e->x - mx, i * kTileHeight - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } else { for (i = e->value1 - 1; i > e->value2; i--) onScreen += g_hdb->_ai->_gfxLaserbeamLR[frame]->drawMasked(i * kTileWidth - mx, e->y - my); onScreen += g_hdb->_ai->_gfxLaserbeamLRRight[frame]->drawMasked(i * kTileWidth - mx, e->y - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; case DIR_RIGHT: if (e->tileY == e->value1 && e->int2) { // going up or right? for (i = e->value1 - 1; i > e->value2; i--) onScreen += g_hdb->_ai->_gfxLaserbeamUD[frame]->drawMasked(e->x - mx, i * kTileHeight - my); onScreen += g_hdb->_ai->_gfxLaserbeamUDBottom[frame]->drawMasked(e->x - mx, i * kTileHeight - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } else { for (i = e->value1 + 1; i < e->value2; i++) onScreen += g_hdb->_ai->_gfxLaserbeamLR[frame]->drawMasked(i * kTileWidth - mx, e->y - my); onScreen += g_hdb->_ai->_gfxLaserbeamLRLeft[frame]->drawMasked(i * kTileWidth - mx, e->y - my); if (onScreen) { g_hdb->_sound->playSoundEx(SND_LASER_LOOP, kLaserChannel, true); g_hdb->_ai->_laserOnScreen = true; } } break; case DIR_NONE: break; } e->movedownFrames++; } //------------------------------------------------------------------- // // MEERKAT : nutty little groundhog dude that will bite Guy if he's on // his mound. That blows 1-5 gems outta Guy! // //------------------------------------------------------------------- void aiMeerkatInit(AIEntity *e) { e->state = STATE_NONE; e->sequence = 0; if (e->value1 == 1) { e->aiAction = aiMeerkatLookAround; e->state = STATE_MEER_LOOK; } else e->aiAction = aiMeerkatAction; } void aiMeerkatInit2(AIEntity *e) { // hidden at the start! e->draw = NULL; // make the looking around cycle better... e->movedownGfx[3] = e->movedownGfx[1]; e->movedownFrames++; } void aiMeerkatDraw(AIEntity *e, int mx, int my) { char word[3]; g_hdb->_window->getGemGfx()->drawMasked(e->value1 - mx, e->value2 - my, 255 - e->blinkFrames * 16); g_hdb->_gfx->setCursor(e->value1 + 12 - mx, e->value2 - 8 - my); word[2] = 0; if (!e->special1Frames) { word[0] = '0'; word[1] = 0; } else { word[0] = '-'; word[1] = '0' + e->special1Frames; } g_hdb->_gfx->drawText(word); } void aiMeerkatAction(AIEntity *e) { static const int gem_xv[] = { 0, 0,-2,-3,-4,-4,-3,-2,-2,-2,-2,-1,-1, 100}; static const int gem_yv[] = {-6,-5,-4,-3,-2,-1, 0, 0, 1, 2, 3, 4, 5, 100}; AIEntity *p = g_hdb->_ai->getPlayer(); switch (e->sequence) { // waiting to see the player case 0: if ((abs(p->tileX - e->tileX) <= 1 && p->tileY == e->tileY) || (abs(p->tileY - e->tileY) <= 1 && p->tileX == e->tileX)) { e->sequence = 1; e->state = STATE_MEER_MOVE; e->animFrame = 0; e->animCycle = 1; e->animDelay = e->animCycle; if (e->onScreen) g_hdb->_sound->playSound(SND_MEERKAT_WARNING); } break; // time to show the mound for a sec... case 1: g_hdb->_ai->animateEntity(e); if (!e->animFrame && e->animDelay == e->animCycle) e->sequence++; if (e->sequence == 2) { e->state = STATE_MEER_APPEAR; e->animFrame = 0; e->animDelay = e->animCycle; if (e->onScreen) g_hdb->_sound->playSound(SND_MEERKAT_APPEAR); } break; // pop outta the dirt! case 2: g_hdb->_ai->animateEntity(e); // done w/sequence? if (!e->animFrame && e->animDelay == e->animCycle) { e->sequence++; e->state = STATE_MEER_LOOK; e->animFrame = 0; e->animCycle = 2; e->animDelay = e->animCycle; } break; // looking around...... time to bite the player!? case 3: case 4: g_hdb->_ai->animateEntity(e); if (!e->animFrame && e->animDelay == e->animCycle) { e->sequence++; if (e->sequence == 5) e->state = STATE_MEER_DISAPPEAR; } if (g_hdb->_ai->checkPlayerTileCollision(e->tileX, e->tileY)) { e->state = STATE_MEER_BITE; e->sequence = 6; e->animFrame = 0; e->animDelay = e->animCycle; if (e->onScreen) g_hdb->_sound->playSound(SND_MEERKAT_BITE); } break; // going back underground! case 5: g_hdb->_ai->animateEntity(e); if (!e->animFrame && e->animDelay == e->animCycle) { e->sequence = 0; e->state = STATE_NONE; e->draw = NULL; } break; // biting the player right now! case 6: g_hdb->_ai->animateEntity(e); // hit the player? if (g_hdb->_ai->checkPlayerTileCollision(e->tileX, e->tileY)) { g_hdb->_ai->stopEntity(p); g_hdb->_ai->setPlayerLock(true); e->sequence = 7; p->moveSpeed <<= 1; if (g_hdb->_ai->findEntity(p->tileX, p->tileY + 1)) g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY - 1); else g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY + 1); e->aiDraw = aiMeerkatDraw; e->value1 = e->x; e->value2 = e->y; e->blinkFrames = 0; // index into movement table... // figure # of gems to take e->special1Frames = g_hdb->_rnd->getRandomNumber(4) + 1; int amt = g_hdb->_ai->getGemAmount(); if (amt - e->special1Frames < 0) e->special1Frames = amt; // if we're in Puzzle Mode and there's no gems left, give one back if (!g_hdb->getActionMode() && !(e->special1Frames - amt) && e->special1Frames) e->special1Frames--; amt -= e->special1Frames; g_hdb->_ai->setGemAmount(amt); } // go back to looking? if (!e->animFrame && e->animDelay == e->animCycle) { e->sequence = 3; e->state = STATE_MEER_LOOK; e->animFrame = 0; e->animDelay = e->animCycle; } break; // waiting for player to blast backward case 7: g_hdb->_ai->animateEntity(e); if (!p->goalX) { p->moveSpeed = kPlayerMoveSpeed; g_hdb->_ai->setPlayerLock(false); e->sequence = 5; e->state = STATE_MEER_DISAPPEAR; e->animFrame = 0; e->animDelay = e->animCycle; } break; } // blasting a gem outta Guy? if (e->value1) { if (gem_xv[e->blinkFrames] == 100) { e->value1 = 0; e->aiDraw = NULL; return; } e->value1 += gem_xv[e->blinkFrames]; e->value2 += gem_yv[e->blinkFrames]; e->blinkFrames++; } } void aiMeerkatLookAround(AIEntity *e) { g_hdb->_ai->animEntFrames(e); } //------------------------------------------------------------------- // // FATFROG : Just sits in place and blasts out his tongue if you're // within range. // //------------------------------------------------------------------- void aiFatFrogInit(AIEntity *e) { e->aiAction = aiFatFrogAction; } void aiFatFrogInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); // load tongue tiles switch (e->dir) { case DIR_DOWN: if (!g_hdb->_ai->_tileFroglickMiddleUD) { g_hdb->_ai->_tileFroglickMiddleUD = g_hdb->_gfx->loadTile(TILE_FFTONGUE_UD_MIDDLE); g_hdb->_ai->_tileFroglickWiggleUD[0] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_UD_WIGGLE_L); g_hdb->_ai->_tileFroglickWiggleUD[1] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_UD_WIGGLE_M); g_hdb->_ai->_tileFroglickWiggleUD[2] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_UD_WIGGLE_R); } e->state = STATE_STANDDOWN; break; case DIR_LEFT: if (!g_hdb->_ai->_tileFroglickMiddleLR) g_hdb->_ai->_tileFroglickMiddleLR = g_hdb->_gfx->loadTile(TILE_FFTONGUE_LR_MIDDLE); if (!g_hdb->_ai->_tileFroglickWiggleLeft[0]) { g_hdb->_ai->_tileFroglickWiggleLeft[0] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_L_WIGGLE_U); g_hdb->_ai->_tileFroglickWiggleLeft[1] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_L_WIGGLE_M); g_hdb->_ai->_tileFroglickWiggleLeft[2] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_L_WIGGLE_D); } e->state = STATE_STANDLEFT; break; case DIR_RIGHT: if (!g_hdb->_ai->_tileFroglickMiddleLR) g_hdb->_ai->_tileFroglickMiddleLR = g_hdb->_gfx->loadTile(TILE_FFTONGUE_LR_MIDDLE); if (!g_hdb->_ai->_tileFroglickWiggleRight[0]) { g_hdb->_ai->_tileFroglickWiggleRight[0] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_R_WIGGLE_U); g_hdb->_ai->_tileFroglickWiggleRight[1] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_R_WIGGLE_M); g_hdb->_ai->_tileFroglickWiggleRight[2] = g_hdb->_gfx->loadTile(TILE_FFTONGUE_R_WIGGLE_D); } e->state = STATE_STANDRIGHT; break; default: break; } } void aiFatFrogAction(AIEntity *e) { AIEntity *p = g_hdb->_ai->getPlayer(); switch (e->state) { //------------------------------------------------------------------- // WAITING TO ATTACK //------------------------------------------------------------------- case STATE_STANDDOWN: e->draw = e->standdownGfx[e->animFrame]; // is player within 2 tiles below fatfrog? if (p->tileX == e->tileX && p->tileY - e->tileY < 3 && p->tileY > e->tileY) { e->state = STATE_LICKDOWN; e->animDelay = e->animCycle << 2; e->animFrame = 0; } // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle << 2; e->animFrame++; if (e->animFrame == e->standdownFrames) e->animFrame = 0; if (!g_hdb->_rnd->getRandomNumber(29) && e->onScreen) g_hdb->_sound->playSound(SND_FROG_RIBBIT1); break; case STATE_STANDLEFT: e->draw = e->standleftGfx[e->animFrame]; // is player within 2 tiles below fatfrog? if (p->tileY == e->tileY && e->tileX - p->tileX < 3 && p->tileX < e->tileX) { e->state = STATE_LICKLEFT; e->animDelay = e->animCycle << 2; e->animFrame = 0; } // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle << 2; e->animFrame++; if (e->animFrame == e->standleftFrames) e->animFrame = 0; if (!g_hdb->_rnd->getRandomNumber(29) && e->onScreen) g_hdb->_sound->playSound(SND_FROG_RIBBIT2); break; case STATE_STANDRIGHT: e->draw = e->standrightGfx[e->animFrame]; // is player within 2 tiles below fatfrog? if (p->tileY == e->tileY && p->tileX - e->tileX < 3 && p->tileX > e->tileX) { e->state = STATE_LICKRIGHT; e->animDelay = e->animCycle << 2; e->animFrame = 0; } // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle << 2; e->animFrame++; if (e->animFrame == e->standrightFrames) e->animFrame = 0; if (!g_hdb->_rnd->getRandomNumber(29) && e->onScreen) g_hdb->_sound->playSound(SND_FROG_RIBBIT2); break; //------------------------------------------------------------------- // LICK ATTACK //------------------------------------------------------------------- case STATE_LICKDOWN: e->draw = e->movedownGfx[e->animFrame]; // ready to start licking? if (e->animFrame == e->movedownFrames - 1 && !e->value1) { e->value1 = 1; e->aiDraw = aiFatFrogTongueDraw; g_hdb->_sound->playSound(SND_FROG_LICK); } else if (e->animFrame == e->movedownFrames - 1 && e->value1) { // animate licking // check player death if (((p->tileX == e->tileX && p->tileY == e->tileY + 1) || // in front of frog + 1 tile!? (e->value1 > 3 && p->tileX == e->tileX && p->tileY < e->tileY + 3)) && // in front of frog + 2 tiles!? g_hdb->_ai->playerDead() == false) g_hdb->_ai->killPlayer(DEATH_NORMAL); e->value1++; if (e->value1 == 14) { e->animFrame = e->value1 = 0; e->aiDraw = NULL; e->state = STATE_STANDDOWN; } } else { // animate pre-licking // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; } break; case STATE_LICKLEFT: e->draw = e->moveleftGfx[e->animFrame]; // ready to start licking? if (e->animFrame == e->moveleftFrames - 1 && !e->value1) { e->value1 = 1; e->aiDraw = aiFatFrogTongueDraw; g_hdb->_sound->playSound(SND_FROG_LICK); } else if (e->animFrame == e->moveleftFrames - 1 && e->value1) { // animate licking // check player death if (((p->tileY == e->tileY && p->tileX == e->tileX - 1) || // in front of frog + 1 tile!? (e->value1 > 3 && p->tileY == e->tileY && p->tileX > e->tileX - 3)) && // in front of frog + 2 tiles!? g_hdb->_ai->playerDead() == false) g_hdb->_ai->killPlayer(DEATH_NORMAL); e->value1++; if (e->value1 == 14) { e->animFrame = e->value1 = 0; e->aiDraw = NULL; e->state = STATE_STANDLEFT; } } else { // animate pre-licking // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; } break; case STATE_LICKRIGHT: e->draw = e->moverightGfx[e->animFrame]; // ready to start licking? if (e->animFrame == e->moverightFrames - 1 && !e->value1) { e->value1 = 1; e->aiDraw = aiFatFrogTongueDraw; g_hdb->_sound->playSound(SND_FROG_LICK); } else if (e->animFrame == e->moverightFrames - 1 && e->value1) { // animate licking // check player death // if (((p->tileY == e->tileY && p->tileX == e->tileX + 1) || // in front of frog + 1 tile!? (e->value1 > 3 && p->tileY == e->tileY && p->tileX < e->tileX + 3)) && // in front of frog + 2 tiles!? g_hdb->_ai->playerDead() == false) g_hdb->_ai->killPlayer(DEATH_NORMAL); e->value1++; if (e->value1 == 14) { e->animFrame = e->value1 = 0; e->aiDraw = NULL; e->state = STATE_STANDRIGHT; } } else { // animate pre-licking // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; } break; default: // no op break; } } void aiFatFrogTongueDraw(AIEntity *e, int mx, int my) { int nx, ny; switch (e->state) { case STATE_LICKDOWN: switch (e->value1) { case 1: case 2: case 3: case 13: case 14: nx = e->x; ny = e->y + 32; g_hdb->_ai->_tileFroglickWiggleUD[1]->drawMasked(nx - mx, ny - my); break; case 4: case 7: case 10: nx = e->x; ny = e->y + 32; g_hdb->_ai->_tileFroglickMiddleUD->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleUD[0]->drawMasked(nx - mx, ny + 32 - my); break; case 5: case 8: case 11: nx = e->x; ny = e->y + 32; g_hdb->_ai->_tileFroglickMiddleUD->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleUD[1]->drawMasked(nx - mx, ny + 32 - my); break; case 6: case 9: case 12: nx = e->x; ny = e->y + 32; g_hdb->_ai->_tileFroglickMiddleUD->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleUD[2]->drawMasked(nx - mx, ny + 32 - my); break; } break; case STATE_LICKLEFT: switch (e->value1) { case 1: case 2: case 3: case 13: case 14: nx = e->x - 32; ny = e->y; g_hdb->_ai->_tileFroglickWiggleLeft[1]->drawMasked(nx - mx, ny - my); break; case 4: case 7: case 10: nx = e->x - 32; ny = e->y; g_hdb->_ai->_tileFroglickMiddleLR->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleLeft[0]->drawMasked(nx - 32 - mx, ny - my); break; case 5: case 8: case 11: nx = e->x - 32; ny = e->y; g_hdb->_ai->_tileFroglickMiddleLR->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleLeft[1]->drawMasked(nx - 32 - mx, ny - my); break; case 6: case 9: case 12: nx = e->x - 32; ny = e->y; g_hdb->_ai->_tileFroglickMiddleLR->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleLeft[2]->drawMasked(nx - 32 - mx, ny - my); break; } break; case STATE_LICKRIGHT: switch (e->value1) { case 1: case 2: case 3: case 13: case 14: nx = e->x + 32; ny = e->y; g_hdb->_ai->_tileFroglickWiggleRight[1]->drawMasked(nx - 32 - mx, ny - my); break; case 4: case 7: case 10: nx = e->x + 32; ny = e->y; g_hdb->_ai->_tileFroglickMiddleLR->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleRight[0]->drawMasked(nx + 32 - mx, ny - my); break; case 5: case 8: case 11: nx = e->x + 32; ny = e->y; g_hdb->_ai->_tileFroglickMiddleLR->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleRight[1]->drawMasked(nx + 32 - mx, ny - my); break; case 6: case 9: case 12: nx = e->x + 32; ny = e->y; g_hdb->_ai->_tileFroglickMiddleLR->drawMasked(nx - mx, ny - my); g_hdb->_ai->_tileFroglickWiggleRight[2]->drawMasked(nx + 32 - mx, ny - my); break; } break; default: break; } } //------------------------------------------------------------------- // // GOODFAIRY // //------------------------------------------------------------------- void aiGoodFairyInit(AIEntity *e) { e->aiAction = aiGoodFairyAction; e->sequence = 20; e->blinkFrames = e->goalX = 0; } void aiGoodFairyInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); } void aiGoodFairyAction(AIEntity *e) { static const AIState state[5] = {STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT}; static const int xvAhead[5] = {9, 0, 0,-1, 1}; static const int yvAhead[5] = {9,-1, 1, 0, 0}; int result; if (e->sequence) { e->sequence--; // look around... switch (e->sequence) { case 19: e->state = STATE_MOVEDOWN; break; case 0: { // Create a GEM? if (g_hdb->_rnd->getRandomNumber(99) > 98) { // spawn a gem in a random direction int d = g_hdb->_rnd->getRandomNumber(3) + 1; int xv = xvAhead[d]; int yv = yvAhead[d]; e->sequence = 30; e->state = STATE_MOVEDOWN; // is something there already? if ((g_hdb->_ai->findEntityType(AI_CRATE, e->tileX + xv, e->tileY + yv) != NULL) || (g_hdb->_ai->findEntityType(AI_LIGHTBARREL, e->tileX + xv, e->tileY + yv) != NULL)) return; int spawnOK; AIEntity *hit = g_hdb->_ai->legalMove(e->tileX + xv, e->tileY + yv, e->level, &spawnOK); uint32 bg_flags = g_hdb->_map->getMapBGTileFlags(e->tileX + xv, e->tileY + yv); if (hit || !spawnOK || (bg_flags & kFlagSpecial)) return; g_hdb->_ai->spawn(ITEM_GEM_WHITE, e->dir, e->tileX + xv, e->tileY + yv, NULL, NULL, NULL, DIR_NONE, e->level, 0, 0, 1); g_hdb->_ai->addAnimateTarget(e->x + xv * kTileWidth, e->y + yv * kTileHeight, 0, 3, ANIM_NORMAL, false, false, GEM_FLASH); if (e->onScreen) { g_hdb->_sound->playSound(SND_GET_GEM); g_hdb->_sound->playSound(SND_GOOD_FAERIE_SPELL); } return; } int tries = 4; do { // pick a random direction, then a random # of tiles in that direction AIDir d = (AIDir)(g_hdb->_rnd->getRandomNumber(3) + 1); int walk = g_hdb->_rnd->getRandomNumber(4) + 1; AIEntity *p = g_hdb->_ai->getPlayer(); // if player is within 3 tiles, move closer if (abs(p->tileX - e->tileX) < 3 && abs(p->tileY - e->tileY) < 3) { if (abs(p->tileX - e->tileX) > abs(p->tileY - e->tileY)) { testx: if (p->tileX != e->tileX) { if (p->tileX < e->tileX) d = DIR_LEFT; else d = DIR_RIGHT; } else if (p->tileY != e->tileY) goto testy; } else { testy: if (p->tileY != e->tileY) { if (p->tileY <= e->tileY) d = DIR_UP; else d = DIR_DOWN; } else if (p->tileX != e->tileX) goto testx; } } // special case: if player is exactly 2 tiles away, move out of the way if (abs(p->tileX - e->tileX) == 2 && p->tileY == e->tileY) { int move_ok; d = DIR_UP; AIEntity *h = g_hdb->_ai->legalMoveOverWater(e->tileX, e->tileY - 1, e->level, &move_ok); if (h || !move_ok) d = DIR_DOWN; } else if (abs(p->tileY - e->tileY) == 2 && p->tileX == e->tileX) { int move_ok; d = DIR_LEFT; AIEntity *h = g_hdb->_ai->legalMoveOverWater(e->tileX - 1, e->tileY, e->level, &move_ok); if (h || !move_ok) d = DIR_RIGHT; } e->dir = d; int tmpDir = (int)d; e->state = state[tmpDir]; int xv = xvAhead[tmpDir] * walk; if (e->tileX + xv < 1) xv = -e->tileX + 1; if (e->tileX + xv > g_hdb->_map->_width) xv = g_hdb->_map->_width - e->tileX - 1; int yv = yvAhead[d] * walk; if (e->tileY + yv < 1) yv = -e->tileY + 1; if (e->tileY + yv > g_hdb->_map->_height) yv = g_hdb->_map->_height - e->tileY - 1; e->value1 = xvAhead[d]; e->value2 = yvAhead[d]; e->moveSpeed = kPlayerMoveSpeed; // make sure we can move over water & white gems, but not fg_hdb->_ai->y blockers and solids AIEntity *hit = g_hdb->_ai->legalMoveOverWater(e->tileX + e->value1, e->tileY + e->value2, e->level, &result); if (hit && ((hit->type == ITEM_GEM_WHITE) || (hit->type == AI_GUY))) hit = NULL; uint32 bg_flags = g_hdb->_map->getMapBGTileFlags(e->tileX + e->value1, e->tileY + e->value2); if (result && !hit && !(bg_flags & kFlagSpecial)) { g_hdb->_ai->setEntityGoal(e, e->tileX + xv, e->tileY + yv); if (e->onScreen && !g_hdb->_rnd->getRandomNumber(29)) g_hdb->_sound->playSound(SND_GOOD_FAERIE_AMBIENT); g_hdb->_ai->animateEntity(e); return; } tries--; // don't lock the system if the fg_hdb->_ai->y is cornered } while (!result && tries); // couldn't find a place to move so just sit here for a sec & try agg_hdb->_ai-> e->dir = DIR_NONE; e->state = STATE_MOVEDOWN; e->sequence = 1; e->value1 = e->value2 = e->xVel = e->yVel = 0; } } g_hdb->_ai->animEntFrames(e); return; } // in the process of moving around... if (e->goalX) { // did we run into a wall, entity, water, slime etc? // if so, pick a new direction! if (onEvenTile(e->x, e->y)) { // did we hit a Fg_hdb->_ai->YSTONE??? if so - teleport the thing at the other end to here! int index = g_hdb->_ai->checkFairystones(e->tileX, e->tileY); if (index >= 0) { int sx, sy; g_hdb->_ai->getFairystonesSrc(index, &sx, &sy); AIEntity *hit = g_hdb->_ai->findEntity(sx, sy); if (hit && (hit != g_hdb->_ai->getPlayer())) { hit->tileX = e->tileX; hit->tileY = e->tileY; hit->x = hit->tileX * kTileWidth; hit->y = hit->tileY * kTileHeight; hit->goalX = hit->goalY = 0; g_hdb->_ai->addAnimateTarget(e->x, e->y, 0, 7, ANIM_NORMAL, false, false, TELEPORT_FLASH); g_hdb->_ai->addAnimateTarget(sx * kTileWidth, sy * kTileHeight, 0, 7, ANIM_NORMAL, false, false, TELEPORT_FLASH); if (e->onScreen) g_hdb->_sound->playSound(SND_TELEPORT); if (hit->onScreen) g_hdb->_sound->playSound(SND_TELEPORT); } } // see if we're about to move to a bad spot, which means: // (1) we're gonna hit a solid wall; ok to move over water/slime // (2) ok to move thru white gems // (3) cannot move thru SPECIAL flagged tiles (fg_hdb->_ai->y blockers) AIEntity *hit = g_hdb->_ai->legalMoveOverWater(e->tileX + e->value1, e->tileY + e->value2, e->level, &result); uint32 bg_flags = g_hdb->_map->getMapBGTileFlags(e->tileX + e->value1, e->tileY + e->value2); if (!result || (hit && hit->type != ITEM_GEM_WHITE && hit->type != AI_GUY) || (bg_flags & kFlagSpecial)) { g_hdb->_ai->stopEntity(e); e->value1 = e->value2 = 0; e->state = STATE_MOVEDOWN; e->sequence = 20; return; } } g_hdb->_ai->animateEntity(e); } else { // if not, start looking around! e->sequence = 20; } } //------------------------------------------------------------------- // // BADFAIRY // //------------------------------------------------------------------- void aiBadFairyInit(AIEntity *e) { e->aiAction = aiBadFairyAction; e->sequence = 20; e->blinkFrames = e->goalX = 0; } void aiBadFairyInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); } void aiBadFairyAction(AIEntity *e) { static const AIState state[5] = {STATE_NONE, STATE_MOVEUP, STATE_MOVEDOWN, STATE_MOVELEFT, STATE_MOVERIGHT}; static const AIDir opposite[5] = {DIR_NONE, DIR_DOWN, DIR_UP, DIR_RIGHT, DIR_LEFT}; static const int xvAhead[5] = {9, 0, 0,-1, 1}; static const int yvAhead[5] = {9,-1, 1, 0, 0}; if (e->sequence) { e->sequence--; // look around... switch (e->sequence) { case 19: e->state = STATE_MOVEDOWN; break; case 0: { // Create a GATE PUDDLE? if (e->onScreen && (g_hdb->_rnd->getRandomNumber(99) > 90) && g_hdb->getActionMode() && (g_hdb->_ai->getGatePuddles() < kMaxGatePuddles)) { if (e->onScreen) g_hdb->_sound->playSound(SND_BADFAIRY_SPELL); e->sequence = 30; e->state = STATE_MOVEUP; g_hdb->_ai->spawn(AI_GATEPUDDLE, opposite[e->dir], e->tileX, e->tileY, NULL, NULL, NULL, DIR_NONE, e->level, 0, 0, 1); g_hdb->_ai->addAnimateTarget(e->x, e->y, 0, 7, ANIM_NORMAL, false, false, TELEPORT_FLASH); g_hdb->_ai->addGatePuddle(1); if (e->onScreen) g_hdb->_sound->playSound(SND_GATEPUDDLE_SPAWN); return; } int tries = 4; int result; do { // pick a random direction, then a random # of tiles in that direction int d = g_hdb->_rnd->getRandomNumber(3) + 1; int walk = g_hdb->_rnd->getRandomNumber(4) + 1; AIEntity *p = g_hdb->_ai->getPlayer(); e->dir = (AIDir)d; e->state = state[d]; int xv = xvAhead[d] * walk; if (e->tileX + xv < 1) xv = -e->tileX + 1; if (e->tileX + xv > g_hdb->_map->_width) xv = g_hdb->_map->_width - e->tileX - 1; int yv = yvAhead[d] * walk; if (e->tileY + yv < 1) yv = -e->tileY + 1; if (e->tileY + yv > g_hdb->_map->_height) yv = g_hdb->_map->_height - e->tileY - 1; e->value1 = xvAhead[d]; e->value2 = yvAhead[d]; e->moveSpeed = kPlayerMoveSpeed; if (!g_hdb->getActionMode()) e->moveSpeed >>= 1; AIEntity *hit = g_hdb->_ai->legalMoveOverWater(e->tileX + e->value1, e->tileY + e->value2, e->level, &result); uint32 bg_flags = g_hdb->_map->getMapBGTileFlags(e->tileX + e->value1, e->tileY + e->value2); if (hit == p && !g_hdb->_ai->playerDead()) { g_hdb->_ai->killPlayer(DEATH_FRIED); hit = NULL; } if (!hit && result && !(bg_flags & kFlagSpecial)) { g_hdb->_ai->setEntityGoal(e, e->tileX + xv, e->tileY + yv); g_hdb->_ai->animateEntity(e); if (e->onScreen && !g_hdb->_rnd->getRandomNumber(19)) g_hdb->_sound->playSound(SND_BADFAIRY_AMBIENT); return; } tries--; // don't lock the system if the player gets the fairy cornered } while (!result && tries); // couldn't find a place to move so just sit here for a sec & try again e->dir = DIR_NONE; e->state = STATE_MOVEDOWN; e->sequence = 1; e->value1 = e->value2 = e->xVel = e->yVel = 0; } } g_hdb->_ai->animEntFrames(e); return; } // in the process of moving around... if (e->goalX) { // hit the player? if (hitPlayer(e->x, e->y)) { g_hdb->_ai->killPlayer(DEATH_FRIED); g_hdb->_sound->playSound(SND_MBOT_DEATH); return; } // did we run into a wall, entity, water, slime etc? // if so, pick a new direction! if (onEvenTile(e->x, e->y)) { int result; AIEntity *hit = g_hdb->_ai->legalMoveOverWater(e->tileX + e->value1, e->tileY + e->value2, e->level, &result); uint32 bg_flags = g_hdb->_map->getMapBGTileFlags(e->tileX + e->value1, e->tileY + e->value2); if (!result || (hit && hit->type != AI_GUY) || (bg_flags & kFlagSpecial)) { g_hdb->_ai->stopEntity(e); e->state = STATE_MOVEDOWN; e->sequence = 20; return; } } g_hdb->_ai->animateEntity(e); } else // if not, start looking around! e->sequence = 20; } //------------------------------------------------------------------- // // BADFAIRY's GATE PUDDLE! // //------------------------------------------------------------------- void aiGatePuddleInit(AIEntity *e) { e->aiAction = aiGatePuddleAction; e->value1 = 50; } void aiGatePuddleInit2(AIEntity *e) { } void aiGatePuddleAction(AIEntity *e) { static const int xva[5] = {9, 0, 0,-1, 1}; static const int yva[5] = {9,-1, 1, 0, 0}; AIEntity *p = g_hdb->_ai->getPlayer(); if (e->goalX) { g_hdb->_ai->animateEntity(e); if (hitPlayer(e->x, e->y)) { for (int i = 0; i < kMaxTeleporters; i++) { if (g_hdb->_ai->_teleporters[i].anim1 == 2) { // PANIC ZONE? p->tileX = g_hdb->_ai->_teleporters[i].x1; p->tileY = g_hdb->_ai->_teleporters[i].y1; p->x = p->tileX * kTileWidth; p->y = p->tileY * kTileHeight; p->xVel = p->yVel = 0; p->goalX = p->goalY = 0; p->animFrame = 0; p->drawXOff = p->drawYOff = 0; p->dir = g_hdb->_ai->_teleporters[i].dir1; p->level = g_hdb->_ai->_teleporters[i].level1; g_hdb->_ai->addAnimateTarget(p->x, p->y, 0, 7, ANIM_NORMAL, false, false, TELEPORT_FLASH); g_hdb->_sound->playSound(SND_TELEPORT); g_hdb->_ai->clearWaypoints(); g_hdb->_window->startPanicZone(); g_hdb->_map->centerMapXY(p->x + 16, p->y + 16); switch (p->dir) { case DIR_UP: g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY - 1); break; case DIR_DOWN: g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY + 1); break; case DIR_LEFT: g_hdb->_ai->setEntityGoal(p, p->tileX - 1, p->tileY); break; case DIR_RIGHT: g_hdb->_ai->setEntityGoal(p, p->tileX + 1, p->tileY); break; case DIR_NONE: break; } g_hdb->_ai->_playerEmerging = true; break; } else if (g_hdb->_ai->_teleporters[i].anim2 == 2) { // PANIC ZONE? p->tileX = g_hdb->_ai->_teleporters[i].x2; p->tileY = g_hdb->_ai->_teleporters[i].y2; p->x = p->tileX * kTileWidth; p->y = p->tileY * kTileHeight; p->xVel = p->yVel = 0; p->goalX = p->goalY = 0; p->animFrame = 0; p->drawXOff = p->drawYOff = 0; p->dir = g_hdb->_ai->_teleporters[i].dir2; p->level = g_hdb->_ai->_teleporters[i].level2; g_hdb->_ai->addAnimateTarget(p->x, p->y, 0, 7, ANIM_NORMAL, false, false, TELEPORT_FLASH); g_hdb->_sound->playSound(SND_TELEPORT); g_hdb->_ai->clearWaypoints(); g_hdb->_window->startPanicZone(); g_hdb->_map->centerMapXY(p->x + 16, p->y + 16); switch (p->dir) { case DIR_UP: g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY - 1); break; case DIR_DOWN: g_hdb->_ai->setEntityGoal(p, p->tileX, p->tileY + 1); break; case DIR_LEFT: g_hdb->_ai->setEntityGoal(p, p->tileX - 1, p->tileY); break; case DIR_RIGHT: g_hdb->_ai->setEntityGoal(p, p->tileX + 1, p->tileY); break; case DIR_NONE: break; } g_hdb->_ai->_playerEmerging = true; break; } } } } else { int rnd = g_hdb->_rnd->getRandomNumber(3) + 1; e->dir = (AIDir)rnd; int nx = e->tileX + xva[rnd]; int ny = e->tileY + yva[rnd]; int move_ok; AIEntity *hit = g_hdb->_ai->legalMoveOverWater(nx, ny, e->level, &move_ok); if (hit == p) hit = NULL; if (!hit && move_ok) { uint32 bg_flags = g_hdb->_map->getMapBGTileFlags(nx, ny); // Gate Puddles can't go over METAL!!! It's in their genes... if (!(bg_flags & kFlagMetal)) { if (e->onScreen) g_hdb->_sound->playSound(SND_GATEPUDDLE_AMBIENT); g_hdb->_ai->setEntityGoal(e, nx, ny); e->state = STATE_MOVEDOWN; g_hdb->_ai->animateEntity(e); } } // can only move 50 spaces or collisions e->value1--; if (!e->value1) { g_hdb->_ai->addGatePuddle(-1); g_hdb->_ai->addAnimateTarget(e->x, e->y, 0, 7, ANIM_NORMAL, false, false, TELEPORT_FLASH); if (e->onScreen) g_hdb->_sound->playSound(SND_GATEPUDDLE_DISSIPATE); g_hdb->_ai->removeEntity(e); } } } //------------------------------------------------------------------- // // ICEPUFF : Little icy dude peeks out of the ground and pops up and // throws a snowball at you if he sees you....then he blasts back // into the snow and hides for a while.... // // Variables used specially: // value1, value2 : x,y of snowball // dir2 : direction of snowball. DIR_NONE = no snowball // sequence : timer for peeking // //------------------------------------------------------------------- void aiIcePuffSnowballInit(AIEntity *e) { // which direction are we throwing in? Load the graphic if we need to switch (e->dir) { case DIR_DOWN: e->value1 = e->x + 12; e->value2 = e->y + 32; break; case DIR_LEFT: e->value1 = e->x - 4; e->value2 = e->y + 16; break; case DIR_RIGHT: e->value1 = e->x + 32; e->value2 = e->y + 16; break; default: break; } e->aiDraw = aiIcePuffSnowballDraw; } void aiIcePuffSnowballAction(AIEntity *e) { // check for hit BEFORE moving so snowball is closer to object // NOTE: Need to do logic in this draw routine just in case the ICEPUFF gets stunned! int result; AIEntity *hit = g_hdb->_ai->legalMoveOverWater(e->value1 / kTileWidth, e->value2 / kTileHeight, e->level, &result); if (hit && hit->type == AI_GUY && !g_hdb->_ai->playerDead()) { g_hdb->_ai->killPlayer(DEATH_NORMAL); g_hdb->_ai->addAnimateTarget(hit->x, hit->y, 0, 3, ANIM_NORMAL, false, false, GROUP_WATER_SPLASH_SIT); result = 0; // fall thru... } // hit something solid - kill the snowball if (!result) { e->dir2 = DIR_NONE; e->aiDraw = NULL; return; } int speed = kPlayerMoveSpeed; if (!g_hdb->getActionMode()) speed >>= 1; switch (e->dir2) { case DIR_DOWN: e->value2 += speed; break; case DIR_LEFT: e->value1 -= speed; break; case DIR_RIGHT: e->value1 += speed; break; default: break; } } void aiIcePuffSnowballDraw(AIEntity *e, int mx, int my) { // did we throw a snowball? make it move! if (e->dir2 != DIR_NONE) aiIcePuffSnowballAction(e); switch (e->dir2) { case DIR_DOWN: if (!g_hdb->_ai->_icepSnowballGfxDown) g_hdb->_ai->_icepSnowballGfxDown = g_hdb->_gfx->loadPic(ICEPUFF_SNOWBALL_DOWN); g_hdb->_ai->_icepSnowballGfxDown->drawMasked(e->value1 - mx, e->value2 - my); break; case DIR_LEFT: if (!g_hdb->_ai->_icepSnowballGfxLeft) g_hdb->_ai->_icepSnowballGfxLeft = g_hdb->_gfx->loadPic(ICEPUFF_SNOWBALL_LEFT); g_hdb->_ai->_icepSnowballGfxLeft->drawMasked(e->value1 - mx, e->value2 - my); break; case DIR_RIGHT: if (!g_hdb->_ai->_icepSnowballGfxRight) g_hdb->_ai->_icepSnowballGfxRight = g_hdb->_gfx->loadPic(ICEPUFF_SNOWBALL_RIGHT); g_hdb->_ai->_icepSnowballGfxRight->drawMasked(e->value1 - mx, e->value2 - my); break; default: break; } } void aiIcePuffInit(AIEntity *e) { // PEEK - but no head up yet e->sequence = 30; // timed sequence for peeking e->state = STATE_ICEP_PEEK; // start in PEEK mode e->dir2 = DIR_NONE; // no snowball out e->aiAction = aiIcePuffAction; } void aiIcePuffInit2(AIEntity *e) { // empty frame e->draw = e->blinkGfx[3]; } void aiIcePuffAction(AIEntity *e) { AIEntity *p = g_hdb->_ai->getPlayer(); switch (e->state) { case STATE_ICEP_PEEK: e->sequence--; switch (e->sequence) { case 20: // underground e->draw = e->blinkGfx[0]; break; case 16: // peek - looking e->draw = e->blinkGfx[1]; break; case 12: // peek - blinking e->draw = e->blinkGfx[2]; break; case 8: // peek - looking e->draw = e->blinkGfx[1]; break; case 4: // peek - looking e->draw = e->blinkGfx[0]; break; case 3: if (e->onScreen && !g_hdb->_rnd->getRandomNumber(5)) g_hdb->_sound->playSound(SND_ICEPUFF_WARNING); break; case 0: // underground e->draw = e->blinkGfx[3]; e->sequence = 30; break; } // can we see the player? (and no snowball is out) if (e->sequence <= 20 && !g_hdb->_ai->playerDead() && e->onScreen) { if (p->tileX == e->tileX && p->tileY > e->tileY && e->dir2 == DIR_NONE) { e->dir = DIR_DOWN; e->state = STATE_ICEP_APPEAR; e->animFrame = 0; if (e->onScreen) g_hdb->_sound->playSound(SND_ICEPUFF_APPEAR); } else if (p->tileY == e->tileY && e->dir2 == DIR_NONE) { p->tileX < e->tileX ? e->dir = DIR_LEFT : e->dir = DIR_RIGHT; e->state = STATE_ICEP_APPEAR; e->animFrame = 0; if (e->onScreen) g_hdb->_sound->playSound(SND_ICEPUFF_APPEAR); } } break; case STATE_ICEP_APPEAR: e->draw = e->standupGfx[e->animFrame]; // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standupFrames) { e->animFrame = 0; switch (e->dir) { case DIR_DOWN: e->state = STATE_ICEP_THROWDOWN; g_hdb->_sound->playSound(SND_ICEPUFF_THROW); break; case DIR_LEFT: e->state = STATE_ICEP_THROWLEFT; g_hdb->_sound->playSound(SND_ICEPUFF_THROW); break; case DIR_RIGHT: e->state = STATE_ICEP_THROWRIGHT; g_hdb->_sound->playSound(SND_ICEPUFF_THROW); break; default: break; } } break; case STATE_ICEP_THROWDOWN: e->draw = e->standdownGfx[e->animFrame]; // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standdownFrames && e->state != STATE_ICEP_DISAPPEAR) { // dir2 = direction snowball is moving e->dir2 = e->dir; // throw it! aiIcePuffSnowballInit(e); e->animFrame = 0; e->state = STATE_ICEP_DISAPPEAR; } else if (e->animFrame == e->special1Frames) { e->state = STATE_ICEP_PEEK; e->draw = e->blinkGfx[3]; e->sequence = g_hdb->_rnd->getRandomNumber(99) + 30; } break; case STATE_ICEP_THROWLEFT: e->draw = e->standleftGfx[e->animFrame]; // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standdownFrames && e->state != STATE_ICEP_DISAPPEAR) { // dir2 = direction snowball is moving e->dir2 = e->dir; // throw it! aiIcePuffSnowballInit(e); e->animFrame = 0; e->state = STATE_ICEP_DISAPPEAR; } else if (e->animFrame == e->special1Frames) { e->state = STATE_ICEP_PEEK; e->draw = e->blinkGfx[3]; e->sequence = g_hdb->_rnd->getRandomNumber(99) + 30; } break; case STATE_ICEP_THROWRIGHT: e->draw = e->standrightGfx[e->animFrame]; // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standdownFrames && e->state != STATE_ICEP_DISAPPEAR) { // dir2 = direction snowball is moving e->dir2 = e->dir; // throw it! aiIcePuffSnowballInit(e); e->animFrame = 0; e->state = STATE_ICEP_DISAPPEAR; } else if (e->animFrame == e->special1Frames) { e->state = STATE_ICEP_PEEK; e->draw = e->blinkGfx[3]; e->sequence = g_hdb->_rnd->getRandomNumber(99) + 30; } break; case STATE_ICEP_DISAPPEAR: e->draw = e->special1Gfx[e->animFrame]; default: break; } } //------------------------------------------------------------------- // // BUZZFLY : Simply flies around on paths.... kills you if you touch him. // He pauses at corners, too. // //------------------------------------------------------------------- void aiBuzzflyInit(AIEntity *e) { e->aiAction = aiBuzzflyAction; e->sequence = 0; g_hdb->_ai->findPath(e); } void aiBuzzflyInit2(AIEntity *e) { e->draw = g_hdb->_ai->getStandFrameDir(e); for (int i = 0; i < e->movedownFrames; i++) { e->standdownGfx[i] = e->movedownGfx[i]; e->standupGfx[i] = e->moveupGfx[i]; e->standleftGfx[i] = e->moveleftGfx[i]; e->standrightGfx[i] = e->moverightGfx[i]; } e->standdownFrames = e->movedownFrames; e->standupFrames = e->moveupFrames; e->standleftFrames = e->moveleftFrames; e->standrightFrames = e->moverightFrames; } void aiBuzzflyAction(AIEntity *e) { if (!e->goalX) { switch (e->sequence) { case 0: case 1: case 2: case 3: case 4: if (!e->animFrame && e->animDelay == e->animCycle) e->sequence++; e->draw = e->standdownGfx[e->animFrame]; // cycle animation frames if (e->animDelay-- > 0) return; e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame == e->standdownFrames) e->animFrame = 0; break; case 5: g_hdb->_ai->findPath(e); if (e->onScreen) g_hdb->_sound->playSound(SND_BUZZFLY_FLY); e->sequence = 0; } } else { g_hdb->_ai->animateEntity(e); if (g_hdb->_ai->checkPlayerCollision(e->x, e->y, 6) && !g_hdb->_ai->playerDead()) { g_hdb->_sound->playSound(SND_BUZZFLY_STING); g_hdb->_ai->killPlayer(DEATH_GRABBED); } } } //------------------------------------------------------------------- // // DRAGON // //------------------------------------------------------------------- void aiDragonInit(AIEntity *e) { e->state = STATE_STANDDOWN; e->sequence = 0; // 0 = sleeping e->aiAction = aiDragonAction; e->aiDraw = aiDragonDraw; e->animCycle = 10; // time between flaps // need to save the dragon's coords and type in the blocking entity for gem-hit-blocking detection AIEntity *block = spawnBlocking(e->tileX - 1, e->tileY, e->level); block->value1 = (int)AI_DRAGON; sprintf(block->luaFuncUse, "%03d%03d", e->tileX, e->tileY); block = spawnBlocking(e->tileX + 1, e->tileY, e->level); block->value1 = (int)AI_DRAGON; sprintf(block->luaFuncUse, "%03d%03d", e->tileX, e->tileY); block = spawnBlocking(e->tileX - 1, e->tileY - 1, e->level); block->value1 = (int)AI_DRAGON; sprintf(block->luaFuncUse, "%03d%03d", e->tileX, e->tileY); block = spawnBlocking(e->tileX + 1, e->tileY - 1, e->level); block->value1 = (int)AI_DRAGON; sprintf(block->luaFuncUse, "%03d%03d", e->tileX, e->tileY); block = spawnBlocking(e->tileX - 1, e->tileY - 2, e->level); block->value1 = (int)AI_DRAGON; sprintf(block->luaFuncUse, "%03d%03d", e->tileX, e->tileY); block = spawnBlocking(e->tileX + 1, e->tileY - 2, e->level); block->value1 = (int)AI_DRAGON; sprintf(block->luaFuncUse, "%03d%03d", e->tileX, e->tileY); } void aiDragonInit2(AIEntity *e) { e->draw = NULL; if (!g_hdb->_ai->_gfxDragonAsleep) { g_hdb->_ai->_gfxDragonAsleep = g_hdb->_gfx->loadPic(DRAGON_ASLEEP); g_hdb->_ai->_gfxDragonFlap[0] = g_hdb->_gfx->loadPic(DRAGON_FLAP1); g_hdb->_ai->_gfxDragonFlap[1] = g_hdb->_gfx->loadPic(DRAGON_FLAP2); g_hdb->_ai->_gfxDragonBreathe[0] = g_hdb->_gfx->loadPic(DRAGON_BREATHE_START); g_hdb->_ai->_gfxDragonBreathe[1] = g_hdb->_gfx->loadPic(DRAGON_BREATHING_1); g_hdb->_ai->_gfxDragonBreathe[2] = g_hdb->_gfx->loadPic(DRAGON_BREATHING_2); } } void aiDragonWake(AIEntity *e) { // woke up, start flapping and breathing! e->sequence = 1; e->animFrame = 0; e->animDelay = e->animCycle; } void aiDragonUse(AIEntity *e) { aiDragonWake(e); } void aiDragonAction(AIEntity *e) { AIEntity *p = g_hdb->_ai->getPlayer(); switch (e->sequence) { // Sleeping, waiting for the player to wake him up case 0: if (e->onScreen && p->tileX >= e->tileX - 1 && p->tileX <= e->tileX + 1 && p->tileY <= e->tileY + 1 && p->tileY >= e->tileY - 3) { if ((p->state >= STATE_ATK_CLUB_UP && p->state <= STATE_ATK_SLUG_RIGHT) || g_hdb->_window->inPanicZone()) { aiDragonWake(e); if (e->onScreen) g_hdb->_sound->playSound(SND_DRAGON_WAKE); } } break; // Woke up - flapping wings 3 times! case 1: e->animDelay--; if (e->animDelay < 1) { if (e->onScreen) g_hdb->_sound->playSound(SND_DRAGON_WAKE); e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame >= 8) { e->animFrame = 0; e->sequence = 2; e->animCycle = 2; } } break; // Start breathing fire! case 2: e->animDelay--; if (e->onScreen) g_hdb->_sound->playSound(SND_DRAGON_BREATHEFIRE); if (e->animDelay < 1) { e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame >= 1) { e->animFrame = 0; e->sequence = 3; e->animCycle = 2; // time between flaps } } break; // Breathing fire! case 3: { if (hitPlayer(e->x, e->y + 32)) { g_hdb->_ai->killPlayer(DEATH_FRIED); return; } // whatever entity is in front of the dragon is gettin' USED! AIEntity *hit = g_hdb->_ai->findEntity(e->tileX, e->tileY + 1); if (hit) { switch (hit->type) { case AI_CHICKEN: g_hdb->_ai->addAnimateTarget(hit->tileX * kTileWidth, hit->tileY * kTileHeight, 0, 2, ANIM_NORMAL, false, false, GROUP_ENT_CHICKEN_DIE); g_hdb->_sound->playSound(SND_CHICKEN_DEATH); g_hdb->_ai->removeEntity(hit); e->sequence = 4; break; case AI_MAGIC_EGG: case AI_ICE_BLOCK: aiMagicEggUse(hit); break; default: if (hit->aiUse) hit->aiUse(hit); if (hit->luaFuncUse[0]) g_hdb->_lua->callFunction(hit->luaFuncUse, 0); } } e->animDelay--; if (e->animDelay < 1) { if (e->onScreen && !(e->animFrame & 7)) g_hdb->_sound->playSound(SND_DRAGON_BREATHEFIRE); e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame >= 30) { e->animFrame = 0; e->sequence = 4; e->animCycle = 10; // time between flaps } } } break; // Done burning - flapping wings 3 times case 4: e->animDelay--; if (e->animDelay < 1) { e->animDelay = e->animCycle; e->animFrame++; if (e->animFrame >= 8) { e->animFrame = 0; e->sequence = 0; if (e->onScreen) g_hdb->_sound->playSound(SND_DRAGON_FALLASLEEP); } } break; } } void aiDragonDraw(AIEntity *e, int mx, int my) { switch (e->sequence) { // sleeping case 0: g_hdb->_ai->_gfxDragonAsleep->drawMasked(e->x - 32 - mx, e->y - 96 - my); break; // flapping 3 times case 1: g_hdb->_ai->_gfxDragonFlap[e->animFrame & 1]->drawMasked(e->x - 32 - mx, e->y - 96 - my); break; // start breathing (very short) case 2: g_hdb->_ai->_gfxDragonBreathe[0]->drawMasked(e->x - 32 - mx, e->y - 96 - my); break; // breathing case 3: g_hdb->_ai->_gfxDragonBreathe[(e->animFrame & 1) + 1]->drawMasked(e->x - 32 - mx, e->y - 96 - my); break; // flapping 3 times case 4: g_hdb->_ai->_gfxDragonBreathe[e->animFrame & 1]->drawMasked(e->x - 32 - mx, e->y - 96 - my); break; } } } // End of Namespace