+++ /dev/null
-/* Project 16 Source Code~\r
- * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
- *\r
- * This file is part of Project 16.\r
- *\r
- * Project 16 is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 3 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * Project 16 is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program. If not, see <http://www.gnu.org/licenses/>, or\r
- * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
- * Fifth Floor, Boston, MA 02110-1301 USA.\r
- *\r
- */\r
-#include "src/lib/16_vrs.h"\r
-\r
-void VRS_ReadVRS(char *filename, entity_t *enti, global_game_variables_t *gvar){ VRS_OpenVRS(filename, enti, 1, gvar); }\r
-void VRS_LoadVRS(char *filename, entity_t *enti, global_game_variables_t *gvar){ VRS_OpenVRS(filename, enti, 0, gvar); }\r
-void VRS_OpenVRS(char *filename, entity_t *enti, boolean rlsw, global_game_variables_t *gvar)\r
-{\r
- vrl1_vgax_offset_t **vrl_line_offsets;\r
- uint16_t far *vrl_id_iter;\r
- uint32_t far *vrl_headers_offsets;\r
- struct vrl1_vgax_header far *curr_vrl;\r
- uint32_t vrl_size;\r
- int num_of_vrl,i;\r
- int size=0;\r
-\r
- switch(rlsw)\r
- {\r
- case 1:\r
- CA_ReadFile(filename, &gvar->ca.spribuff, gvar);\r
- break;\r
- case 0:\r
- CA_LoadFile(filename, &gvar->ca.spribuff, gvar);\r
- break;\r
- }\r
-\r
- // Insert sanity cheks later\r
- enti->spri.spritesheet.buffer = gvar->ca.spribuff;\r
- enti->spri.spritesheet.data_size = size - sizeof(struct vrl1_vgax_header);\r
- num_of_vrl = 0;\r
- vrl_id_iter = (uint16_t far *)(enti->spri.spritesheet.buffer + enti->spri.spritesheet.vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST]);\r
- while(vrl_id_iter[num_of_vrl]){\r
- num_of_vrl++;\r
- }\r
-\r
- // Allocate memory for vrl line offsets table\r
- vrl_line_offsets = malloc(sizeof(vrl1_vgax_offset_t *)*num_of_vrl);//TODO: USE MM_ CA_ AND PM_\r
- vrl_headers_offsets = (uint32_t far *)(enti->spri.spritesheet.buffer + enti->spri.spritesheet.vrs_hdr->offset_table[VRS_HEADER_OFFSET_VRS_LIST]);\r
- // Calculate line offsets for each vrl\r
- for(i = 0; i < num_of_vrl; i++){\r
- curr_vrl = (struct vrl1_vgax_header far *)(enti->spri.spritesheet.buffer + vrl_headers_offsets[i]);\r
-\r
- // Calc. vrl size as (next_offset - curr_offset)\r
- if (i != num_of_vrl - 1){\r
- vrl_size = vrl_headers_offsets[i+1] - vrl_headers_offsets[i] - sizeof(struct vrl1_vgax_header);\r
- }\r
- // If it's the last vrl, size is (next_vrs_struct_offset - curr_offset)\r
- else{\r
- vrl_size = enti->spri.spritesheet.vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST] - vrl_headers_offsets[i] - sizeof(struct vrl1_vgax_header);\r
- }\r
- vrl_line_offsets[i] = vrl1_vgax_genlineoffsets(curr_vrl, (byte *)curr_vrl + sizeof(struct vrl1_vgax_header), vrl_size);\r
- }\r
- enti->spri.spritesheet.vrl_line_offsets = vrl_line_offsets;\r
-}\r
-\r
-// Seek and return a specified .vrl blob from .vrs blob in far memory\r
-int get_vrl_by_id(struct vrs_container far *vrs_cont, uint16_t id, struct vrl_container *vrl_cont){\r
- uint16_t far *ids;\r
- uint32_t far *vrl_offs_list;\r
- int counter = 0;\r
-\r
- // If id is invalid, return -1\r
- if(id == 0){\r
- // Probably add an error message?\r
- return -1;\r
- }\r
-\r
- // Get id list from .vrs blob (base + offset)\r
- ids = (uint16_t far*)(vrs_cont->buffer +\r
- vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST]);\r
-\r
- // Loop through the id list until we found the right one or hit the end of the list\r
- // Counter is keeping track of the offset(in ids/vrl blobs)\r
- while(ids[counter] != id && ids[counter]){\r
- counter++;\r
- }\r
- // Return -2 if we couldn't find the requested id\r
- if(!ids[counter]){\r
- // Error message?\r
- return -2;\r
- }\r
-\r
- // Get vrl offsets list from .vrs blob (base + offset)\r
- vrl_offs_list = (uint32_t far *)(vrs_cont->buffer +\r
- vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_VRS_LIST]);\r
-\r
- // Get vrl_header from .vrs (base + offset from vrl_list)\r
- // Counter is number of vrls to skip (ids and vrls are aligned according to the .vrs specification)\r
- vrl_cont->vrl_header = (struct vrl1_vgax_header far *)(vrs_cont->buffer + vrl_offs_list[counter]);\r
-\r
- // Get .vrl size by integer arithmetics (next vrl offset - current vrl offset)\r
- if(ids[counter+1]){\r
- vrl_cont->data_size = vrl_offs_list[counter+1] - vrl_offs_list[counter] - sizeof(struct vrl1_vgax_header);\r
- }\r
- // If we are retriving the last vrl, size is ids_list offset - current vrl offset, as next vrl offs is 0\r
- else{\r
- vrl_cont->data_size = vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST] - vrl_offs_list[counter] - sizeof(struct vrl1_vgax_header);\r
- }\r
-\r
- // Retrive line offsets form .vrs\r
- vrl_cont->line_offsets = vrs_cont->vrl_line_offsets[counter];\r
-\r
- return 0;\r
-}\r
projects / 16.git / blobdiff