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add global macro: gNextFreeMapElement

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Ted John
2016-04-24 14:30:21 +01:00
parent 0f6e64ac76
commit d18ea8570d
5 changed files with 27 additions and 19 deletions
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10
src/ride/track.c
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@@ -694,7 +694,8 @@ void reset_track_list_cache(){
*
* rct2: 0x006D1C68
*/
int backup_map(){
int backup_map()
{
RCT2_GLOBAL(0xF440ED, uint8*) = malloc(0xED600);
if (RCT2_GLOBAL(0xF440ED, uint32) == 0) return 0;
@@ -718,7 +719,7 @@ int backup_map(){
memcpy(RCT2_GLOBAL(0xF440F1, uint32*), tile_map_pointers, 0x40000);
uint8* backup_info = RCT2_GLOBAL(0xF440F5, uint8*);
*(uint32*)backup_info = RCT2_GLOBAL(RCT2_ADDRESS_NEXT_FREE_MAP_ELEMENT, uint32);
*(uint32*)backup_info = (uint32)gNextFreeMapElement;
*(uint16*)(backup_info + 4) = gMapSizeUnits;
*(uint16*)(backup_info + 6) = gMapSizeMinus2;
*(uint16*)(backup_info + 8) = gMapSize;
@@ -730,7 +731,8 @@ int backup_map(){
*
* rct2: 0x006D2378
*/
void reload_map_backup(){
void reload_map_backup()
{
uint32* map_elements = RCT2_ADDRESS(RCT2_ADDRESS_MAP_ELEMENTS, uint32);
memcpy(map_elements, RCT2_GLOBAL(0xF440ED, uint32*), 0xED600);
@@ -738,7 +740,7 @@ void reload_map_backup(){
memcpy(tile_map_pointers, RCT2_GLOBAL(0xF440F1, uint32*), 0x40000);
uint8* backup_info = RCT2_GLOBAL(0xF440F5, uint8*);
RCT2_GLOBAL(RCT2_ADDRESS_NEXT_FREE_MAP_ELEMENT, uint32) = *(uint32*)backup_info;
gNextFreeMapElement = (rct_map_element*)backup_info;
gMapSizeUnits = *(uint16*)(backup_info + 4);
gMapSizeMinus2 = *(uint16*)(backup_info + 6);
gMapSize = *(uint16*)(backup_info + 8);