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#include <psxtypes/psxtypes.h>
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#include <pemagine/pemagine.h>
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#include <ntapi/ntapi.h>
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#include <gdi/gdi.h>
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#ifndef GDI_ADDRESS_SPACE_OCD
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#define GDI_ADDRESS_SPACE_OCD 0
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#endif
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int32_t __fastcall gdi_vtbl_init(gdi_vtbl * gdi)
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{
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int32_t status;
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void * hgdi32;
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void * huser32;
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ntapi_vtbl * ntapi;
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struct dalist_ex ldr_module_list;
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struct dalist_node * node;
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uintptr_t block[0x80];
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wchar16_t gdi32_base_name[] = {'g','d','i','3','2','.','d','l','l'};
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wchar16_t user32_base_name[] = {'u','s','e','r','3','2','.','d','l','l'};
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/* init */
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if ((status = ntapi_init(&ntapi)))
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return status;
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ntapi->tt_aligned_block_memset(
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block,0,sizeof(block));
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/* module list */
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if ((status = dalist_init_ex(
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&ldr_module_list,
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0,0,0,
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DALIST_MEMFN_CUSTOM)))
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return status;
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if ((status = dalist_deposit_memory_block(
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&ldr_module_list,
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block,sizeof(block))))
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return status;
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if ((status = ntapi->ldr_create_state_snapshot(
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&ldr_module_list)))
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return status;
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/* load gdi32 (explicit), user32 (implicit) */
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hgdi32 = 0;
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huser32 = 0;
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if ((status = ntapi->ldr_load_system_dll(
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0,
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gdi32_base_name,
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sizeof(gdi32_base_name),
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0,&hgdi32)))
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return status;
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hgdi32 = pe_get_module_handle(gdi32_base_name);
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huser32 = pe_get_module_handle(user32_base_name);
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if (!hgdi32 || !huser32)
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return NT_STATUS_INTERNAL_ERROR;
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/* address space ocd */
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if ((status = dalist_get_node_by_key(
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&ldr_module_list,
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(struct dalist_node_ex **)&node,
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(uintptr_t)hgdi32,
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DALIST_NODE_TYPE_EXISTING | DALIST_NODE_TYPE_NEW,
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0)))
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return status;
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if ((status = dalist_get_node_by_key(
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&ldr_module_list,
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(struct dalist_node_ex **)&node,
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(uintptr_t)huser32,
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DALIST_NODE_TYPE_EXISTING | DALIST_NODE_TYPE_NEW,
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0)))
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return status;
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if (GDI_ADDRESS_SPACE_OCD)
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if ((status = ntapi->ldr_revert_state_to_snapshot(&ldr_module_list)))
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return status;
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/* gdi vtbl */
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gdi->get_system_metrics = (gdi_get_system_metrics *)pe_get_procedure_address(
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huser32,
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"GetSystemMetrics");
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gdi->is_iconic = (gdi_is_iconic *)pe_get_procedure_address(
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huser32,
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"IsIconic");
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gdi->is_zoomed = (gdi_is_zoomed *)pe_get_procedure_address(
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huser32,
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"IsZoomed");
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gdi->peek_message = (gdi_peek_message *)pe_get_procedure_address(
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huser32,
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"PeekMessageW");
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gdi->move_window = (gdi_move_window *)pe_get_procedure_address(
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huser32,
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"MoveWindow");
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gdi->set_window_pos = (gdi_set_window_pos *)pe_get_procedure_address(
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huser32,
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"SetWindowPos");
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gdi->get_window_rect = (gdi_get_window_rect *)pe_get_procedure_address(
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huser32,
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"GetWindowRect");
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gdi->get_client_rect = (gdi_get_client_rect *)pe_get_procedure_address(
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huser32,
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"GetClientRect");
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gdi->get_desktop_window = (gdi_get_desktop_window *)pe_get_procedure_address(
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huser32,
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"GetDesktopWindow");
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if (sizeof(size_t) == 8)
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gdi->set_window_long_ptr = (gdi_set_window_long_ptr *)pe_get_procedure_address(
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huser32,
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"SetWindowLongPtrW");
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else
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gdi->set_window_long_ptr = (gdi_set_window_long_ptr *)pe_get_procedure_address(
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huser32,
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"SetWindowLongW");
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return NT_STATUS_SUCCESS;
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}
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