102 lines
1.8 KiB
C
102 lines
1.8 KiB
C
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/*
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item.c
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during level setup, the item pool is filled with items from the
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onmap list.
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*/
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#include "item.h"
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#include "map.h"
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/* max number of items in the pool */
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#define ITEM_MAX 32
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/* current number of items in the pool */
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uint8_t item_cnt;
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/* current level */
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uint8_t current_level;
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/* the pool with all dynamic created items */
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item_t item_pool[ITEM_MAX];
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void pool_Clear(void)
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{
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item_cnt = 0;
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}
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uint8_t pool_NewItem(void)
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{
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if ( item_cnt >= ITEM_MAX )
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return ITEM_MAX;
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item_cnt++;
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return item_cnt-1;
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}
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item_t *pool_GetItem(uint8_t idx)
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{
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return item_pool+idx;
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}
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/*===============================================*/
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/*
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void item_SetDefaultTile(uint8_t idx)
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{
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item_t *item = pool_GetItem((idx);
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item->tile = item_template_list[item->template_index].fg_tile;
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}
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*/
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/*===============================================*/
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void setupLevel(uint8_t level)
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{
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uint8_t i, cnt;
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item_t *item;
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item_onmap_t *onmap_ptr;
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current_level = level;
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cnt = map_list[level].onmap_cnt;
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/* build the pool */
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pool_Clear();
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onmap_ptr = map_list[level].onmap_list;
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for( i = 0; i < cnt; i++ )
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{
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/* no check of pool_NewItem() here, this should always succeed */
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item = pool_GetItem(pool_NewItem());
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item->x = onmap_ptr->x;
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item->y = onmap_ptr->y;
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item->template_index = onmap_ptr->template_index;
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item->tile = item_template_list[item->template_index].fg_tile;
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onmap_ptr++;
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}
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}
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uint8_t getMapTile(uint8_t x, uint8_t y)
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{
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item_t *item;
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uint16_t offset;
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uint8_t i, cnt;
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cnt = item_cnt;
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for( i = 0; i < cnt; i++ )
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{
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item = pool_GetItem(i);
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if ( item->x == x && item->y == y )
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return item->tile;
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}
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offset = y;
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offset *= map_list[current_level].width;
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offset += x;
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return map_list[current_level].data[offset];
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}
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