139 lines
3.2 KiB
C++
139 lines
3.2 KiB
C++
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 09.02.2016
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*
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* Shared system functions
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*
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*/
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// TOP
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internal void
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sysshared_filter_real_files(char **files, i32 *file_count){
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i32 i, j;
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i32 end;
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end = *file_count;
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for (i = 0, j = 0; i < end; ++i){
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if (system_file_can_be_made(files[i])){
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files[j] = files[i];
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++j;
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}
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}
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*file_count = j;
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}
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void
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ex__file_insert(File_Slot *pos, File_Slot *file){
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file->next = pos->next;
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file->next->prev = file;
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file->prev = pos;
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pos->next = file;
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}
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void
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ex__insert_range(File_Slot *start, File_Slot *end, File_Slot *pos){
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end->next->prev = start->prev;
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start->prev->next = end->next;
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end->next = pos->next;
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start->prev = pos;
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pos->next->prev = end;
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pos->next = start;
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}
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internal void
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ex__check_file(File_Slot *pos){
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File_Slot *file = pos;
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Assert(pos == pos->next->prev);
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for (pos = pos->next;
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file != pos;
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pos = pos->next){
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Assert(pos == pos->next->prev);
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}
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}
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internal void
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ex__check(File_Exchange *file_exchange){
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ex__check_file(&file_exchange->available);
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ex__check_file(&file_exchange->active);
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ex__check_file(&file_exchange->free_list);
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}
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internal void
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sysshared_init_file_exchange(
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Exchange *exchange, File_Slot *slots, i32 max,
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char **filename_space_out){
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char *filename_space;
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i32 i;
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exchange->file.max = max;
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exchange->file.available = {};
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exchange->file.available.next = &exchange->file.available;
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exchange->file.available.prev = &exchange->file.available;
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exchange->file.active = {};
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exchange->file.active.next = &exchange->file.active;
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exchange->file.active.prev = &exchange->file.active;
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exchange->file.free_list = {};
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exchange->file.free_list.next = &exchange->file.free_list;
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exchange->file.free_list.prev = &exchange->file.free_list;
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exchange->file.files = slots;
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memset(slots, 0, sizeof(File_Slot)*max);
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filename_space = (char*)
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system_get_memory(FileNameMax*exchange->file.max);
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File_Slot *slot = slots;
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for (i = 0; i < exchange->file.max; ++i, ++slot){
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ex__file_insert(&exchange->file.available, slot);
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slot->filename = filename_space;
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filename_space += FileNameMax;
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}
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if (filename_space_out) *filename_space_out = filename_space;
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}
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internal void
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fnt__remove(Font_Load_Parameters *params){
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params->next->prev = params->prev;
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params->prev->next = params->next;
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}
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internal void
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fnt__insert(Font_Load_Parameters *pos, Font_Load_Parameters *params){
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params->next = pos->next;
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pos->next->prev = params;
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pos->next = params;
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params->prev = pos;
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}
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internal void
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sysshared_init_font_params(
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Font_Load_System *fnt, Font_Load_Parameters *params, i32 max){
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Font_Load_Parameters *param;
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i32 i;
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fnt->params = params;
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fnt->max = max;
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fnt->free_param.next = &fnt->free_param;
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fnt->free_param.prev = &fnt->free_param;
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fnt->used_param.next = &fnt->free_param;
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fnt->used_param.prev = &fnt->free_param;
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param = params;
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for (i = 0; i < max; ++i, ++param){
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fnt__insert(&fnt->free_param, param);
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}
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}
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// BOTTOM
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