proper sprite loading added wwwwwww

[16.git] / src / lib / 16_vrs.c

diff --git a/src/lib/16_vrs.c b/src/lib/16_vrs.c
index f77119af4af5291b5067ed81d4ee0dd987f8dd02..41ef537ead389c125ea1a38d05ece7482667d8ad 100755 (executable)
--- a/src/lib/16_vrs.c
+++ b/src/lib/16_vrs.c
@@ -21,6 +21,63 @@
  */\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
+       //memptr        big buffer;\r
+       static struct vrs_container vrs;\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
+       vrs.buffer = gvar->ca.spribuff;\r
+       vrs.data_size = size - sizeof(struct vrl1_vgax_header);\r
+       num_of_vrl = 0;\r
+       vrl_id_iter = (uint16_t far *)(vrs.buffer + vrs.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);\r
+\r
+       vrl_headers_offsets = (uint32_t far *)(vrs.buffer + vrs.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 *)(vrs.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 = vrs.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
+       vrs.vrl_line_offsets = vrl_line_offsets;\r
+\r
+       enti->spri->spritesheet = &vrs;\r
+       enti->spri->sprite_vrl_cont = malloc(sizeof(struct vrl_container));\r
+}\r
+\r
 // Read .vrs file into far memory\r
 int read_vrs(global_game_variables_t *gvar, char *filename, struct vrs_container *vrs_cont){\r
        int fd;\r