136 lines
3.0 KiB
C
136 lines
3.0 KiB
C
/*
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Copyright (C) 2015 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 "items.h"
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static void action(void);
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static Entity *getItemDef(char *name);
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static Entity defHead, *defTail;
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void loadItemDefs(void)
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{
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cJSON *root, *node;
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char *text;
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Entity *e;
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text = readFile(getFileLocation("data/battle/items.json"));
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root = cJSON_Parse(text);
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memset(&defHead, 0, sizeof(Entity));
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defTail = &defHead;
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for (node = root->child ; node != NULL ; node = node->next)
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{
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e = malloc(sizeof(Entity));
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memset(e, 0, sizeof(Entity));
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e->type = ET_ITEM;
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e->active = 1;
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STRNCPY(e->name, cJSON_GetObjectItem(node, "name")->valuestring, MAX_NAME_LENGTH);
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STRNCPY(e->defName, cJSON_GetObjectItem(node, "name")->valuestring, MAX_NAME_LENGTH);
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e->texture = getTexture(cJSON_GetObjectItem(node, "textureName")->valuestring);
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e->health = e->maxHealth = FPS;
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SDL_QueryTexture(e->texture, NULL, NULL, &e->w, &e->h);
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defTail->next = e;
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}
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cJSON_Delete(root);
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free(text);
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}
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Entity *spawnItem(char *name)
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{
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Entity *item, *def;
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item = spawnEntity();
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def = getItemDef(name);
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memcpy(item, def, sizeof(Entity));
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item->dx = rand() % 100 - rand() % 100;
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item->dx *= 0.01;
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item->dy = rand() % 100 - rand() % 100;
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item->dy *= 0.01;
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item->action = action;
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return item;
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}
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static Entity *getItemDef(char *name)
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{
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Entity *e;
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for (e = defHead.next ; e != NULL ; e = e->next)
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{
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if (strcmp(e->name, name) == 0)
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{
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return e;
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}
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}
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printf("Error: no such item '%s'\n", name);
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exit(1);
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}
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static void action(void)
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{
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Entity *e, **candidates;
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int i;
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candidates = getAllEntsWithin(self->x - (self->w / 2), self->y - (self->h / 2), self->w, self->h, self);
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for (i = 0, e = candidates[i] ; e != NULL ; e = candidates[++i])
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{
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if ((e->flags & EF_COLLECTS_ITEMS) && collision(self->x - (self->w / 2), self->y - (self->h / 2), self->w, self->h, e->x - (e->w / 2), e->y - (e->h / 2), e->w, e->h))
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{
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self->health = 0;
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playBattleSound(SND_GET_ITEM, self->x, self->y);
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updateObjective(self->name, TT_ITEM);
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if (e == player)
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{
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addHudMessage(colors.white, "Picked up %s", self->name);
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battle.stats[STAT_ITEMS_COLLECTED]++;
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}
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self->action = NULL;
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}
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}
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}
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void destroyItemDefs(void)
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{
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Entity *f;
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while (defHead.next)
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{
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f = defHead.next;
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defHead.next = f->next;
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free(f);
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}
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}
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