347 lines
6.8 KiB
C
347 lines
6.8 KiB
C
/*
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Copyright (C) 2018 Parallel Realities
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "door.h"
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static void init(void);
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static void tick(void);
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static void touch(Entity *other);
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static void openWithKey(void);
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static int isClosed(void);
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static int isOpening(void);
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static int isClosing(void);
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static void activate(int active);
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static void load(cJSON *root);
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static void save(cJSON *root);
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Entity *initDoor(void)
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{
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Structure *s;
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s = createStructure();
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s->type = ET_DOOR;
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s->isSolid = 1;
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s->isStatic = 1;
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s->flags |= EF_WEIGHTLESS | EF_NO_ENVIRONMENT | EF_NO_CLIP | EF_EXPLODES | EF_NO_TELEPORT;
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s->closedX = s->closedY = -1;
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s->state = DOOR_CLOSED;
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s->speed = 8;
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s->isLocked = 1;
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s->sprite[0] = s->sprite[1] = s->sprite[2] = getSprite("Door");
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s->init = init;
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s->tick = tick;
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s->touch = touch;
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s->activate = activate;
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s->load = load;
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s->save = save;
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return (Entity*)s;
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}
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static void init(void)
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{
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Structure *s;
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s = (Structure*)self;
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if (s->closedX == -1 && s->closedY == -1)
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{
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s->closedX = s->x;
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s->closedY = s->y;
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}
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if (game.plus & PLUS_NO_DOORS)
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{
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s->alive = ALIVE_DEAD;
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}
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}
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Entity *initBronzeDoor(void)
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{
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Structure *s;
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s = (Structure*)initDoor();
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STRNCPY(s->requiredItem, "Bronze Key", MAX_NAME_LENGTH);
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s->speed = 2;
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s->sprite[0] = s->sprite[1] = s->sprite[2] = getSprite("BronzeDoor");
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return (Entity*)s;
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}
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Entity *initSilverDoor(void)
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{
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Structure *s;
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s = (Structure*)initDoor();
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STRNCPY(s->requiredItem, "Silver Key", MAX_NAME_LENGTH);
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s->speed = 2;
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s->sprite[0] = s->sprite[1] = s->sprite[2] = getSprite("SilverDoor");
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return (Entity*)s;
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}
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Entity *initGoldDoor(void)
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{
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Structure *s;
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s = (Structure*)initDoor();
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STRNCPY(s->requiredItem, "Gold Key", MAX_NAME_LENGTH);
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s->speed = 2;
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s->sprite[0] = s->sprite[1] = s->sprite[2] = getSprite("GoldDoor");
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return (Entity*)s;
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}
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static void tick(void)
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{
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Structure *s;
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s = (Structure*)self;
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s->dx = s->dy = 0;
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if (isOpening())
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{
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getSlope(s->tx, s->ty, s->x, s->y, &s->dx, &s->dy);
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s->dx *= s->speed;
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s->dy *= s->speed;
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if (fabs(s->x - s->tx) < s->speed && fabs(s->y - s->ty) < s->speed)
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{
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s->x = s->tx;
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s->y = s->ty;
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}
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s->isStatic = 0;
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}
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else if (isClosing())
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{
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getSlope(s->closedX, s->closedY, s->x, s->y, &s->dx, &s->dy);
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s->dx *= s->speed;
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s->dy *= s->speed;
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if (fabs(s->x - s->closedX) < s->speed && fabs(self->y - s->closedY) < s->speed)
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{
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s->x = s->closedX;
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s->y = s->closedY;
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}
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s->isStatic = 0;
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}
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if (s->dx == 0 && s->dy == 0 && !s->isStatic)
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{
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s->isStatic = 1;
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playBattleSound(SND_DOOR_FINISH, s->uniqueId % MAX_SND_CHANNELS, s->x, s->y);
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}
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}
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static void touch(Entity *other)
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{
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Structure *s;
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s = (Structure*)self;
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if ((other->type != ET_BOB && s->isLocked) || (other->type != ET_BOB && other->type != ET_ENEMY))
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{
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return;
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}
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if (s->isLocked && !dev.cheatKeys)
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{
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if (isClosed())
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{
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if (strlen(s->requiredItem) != 0)
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{
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openWithKey();
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}
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else if (s->thinkTime == 0)
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{
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setGameplayMessage(MSG_GAMEPLAY, app.strings[ST_LOCKED]);
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playSound(SND_DENIED, s->uniqueId % MAX_SND_CHANNELS);
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}
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s->thinkTime = 2;
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return;
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}
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else if (isClosing())
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{
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return;
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}
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}
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if (s->state != DOOR_OPEN)
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{
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playBattleSound(SND_DOOR_START, s->uniqueId % MAX_SND_CHANNELS, s->x, s->y);
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}
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s->state = DOOR_OPEN;
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}
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static void openWithKey(void)
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{
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Structure *s;
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s = (Structure*)self;
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if (hasItem(s->requiredItem) || dev.cheatKeys)
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{
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removeItem(s->requiredItem);
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setGameplayMessage(MSG_GAMEPLAY, app.strings[ST_REMOVED], s->requiredItem);
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STRNCPY(s->requiredItem, "", MAX_NAME_LENGTH);
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s->isLocked = 0;
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if (s->state != DOOR_OPEN)
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{
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playSound(SND_DOOR_START, s->uniqueId % MAX_SND_CHANNELS);
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}
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s->state = DOOR_OPEN;
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return;
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}
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if (s->thinkTime <= 0)
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{
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setGameplayMessage(MSG_GAMEPLAY, app.strings[ST_REQUIRED], s->requiredItem);
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playSound(SND_DENIED, s->uniqueId % MAX_SND_CHANNELS);
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}
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s->thinkTime = 2;
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}
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static int isOpening(void)
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{
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Structure *s = (Structure*)self;
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return (s->state == DOOR_OPEN && ((int) s->x != (int) s->tx || (int) s->y != (int) s->ty));
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}
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static int isClosing(void)
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{
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Structure *s = (Structure*)self;
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return (s->state == DOOR_CLOSED && ((int) s->x != s->closedX || (int) s->y != s->closedY));
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}
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static int isClosed(void)
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{
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Structure *s = (Structure*)self;
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return (s->state == DOOR_CLOSED && ((int) s->x == s->closedX && (int) s->y == s->closedY));
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}
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static void activate(int active)
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{
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Structure *s = (Structure*)self;
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s->state = (s->state == DOOR_CLOSED) ? DOOR_OPEN : DOOR_CLOSED;
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playBattleSound(SND_DOOR_START, s->uniqueId % MAX_SND_CHANNELS, s->x, s->y);
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if (active)
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{
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observeActivation(self);
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if (!isOnScreen(self))
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{
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setGameplayMessage(MSG_GAMEPLAY, app.strings[ST_OPENED]);
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}
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}
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}
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static void load(cJSON *root)
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{
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Structure *s;
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s = (Structure*)self;
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s->isLocked = cJSON_GetObjectItem(root, "isLocked")->valueint;
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s->active = s->isLocked;
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if (cJSON_GetObjectItem(root, "requiredKey"))
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{
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STRNCPY(s->requiredItem, cJSON_GetObjectItem(root, "requiredKey")->valuestring, MAX_NAME_LENGTH);
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}
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s->tx = cJSON_GetObjectItem(root, "tx")->valueint;
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s->ty = cJSON_GetObjectItem(root, "ty")->valueint;
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s->speed = cJSON_GetObjectItem(root, "speed")->valueint;
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s->state = lookup(cJSON_GetObjectItem(root, "state")->valuestring);
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if (cJSON_GetObjectItem(root, "closedX"))
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{
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s->closedX = cJSON_GetObjectItem(root, "closedX")->valueint;
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s->closedY = cJSON_GetObjectItem(root, "closedY")->valueint;
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}
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if (game.plus & PLUS_MIRROR)
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{
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s->tx = MAP_PIXEL_WIDTH - s->tx;
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}
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}
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static void save(cJSON *root)
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{
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Structure *s;
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s = (Structure*)self;
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cJSON_AddStringToObject(root, "type", s->sprite[0]->name);
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cJSON_AddNumberToObject(root, "isLocked", s->isLocked);
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cJSON_AddNumberToObject(root, "tx", s->tx);
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cJSON_AddNumberToObject(root, "ty", s->ty);
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cJSON_AddNumberToObject(root, "closedX", s->closedX);
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cJSON_AddNumberToObject(root, "closedY", s->closedY);
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cJSON_AddNumberToObject(root, "speed", s->speed);
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cJSON_AddStringToObject(root, "state", getLookupName("DOOR_", s->state));
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cJSON_AddStringToObject(root, "requiredKey", s->requiredItem);
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if (strcmp(s->sprite[0]->name, "Door") != 0)
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{
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cJSON_AddStringToObject(root, "type", s->sprite[0]->name);
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}
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}
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