1 /* Project 16 Source Code~
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2 * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
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4 * This file is part of Project 16.
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6 * Project 16 is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 3 of the License, or
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9 * (at your option) any later version.
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11 * Project 16 is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>, or
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18 * write to the Free Software Foundation, Inc., 51 Franklin Street,
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19 * Fifth Floor, Boston, MA 02110-1301 USA.
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22 #include "src/lib/16_vrs.h"
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24 #define VRS_USECAMMPM
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26 void VRS_ReadVRS(char *filename, entity_t *enti, global_game_variables_t *gvar){ VRS_OpenVRS(filename, enti, 1, gvar); }
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27 void VRS_LoadVRS(char *filename, entity_t *enti, global_game_variables_t *gvar){ VRS_OpenVRS(filename, enti, 0, gvar); }
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28 void VRS_OpenVRS(char *filename, entity_t *enti, boolean rlsw, global_game_variables_t *gvar)
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30 #ifndef VRS_USECAMMPM
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31 vrl1_vgax_offset_t **vrl_line_offsets;
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33 uint16_t far *vrl_id_iter;
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34 uint32_t far *vrl_headers_offsets;
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35 struct vrl1_vgax_header far *curr_vrl;
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42 CA_ReadFile(filename, &gvar->ca.spribuff, gvar);
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45 CA_LoadFile(filename, &gvar->ca.spribuff, gvar);
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49 // Insert sanity cheks later
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50 enti->spri.spritesheet.buffer = gvar->ca.spribuff;
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51 enti->spri.spritesheet.data_size = sizeof(enti->spri.spritesheet.buffer) - sizeof(struct vrl1_vgax_header);
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53 vrl_id_iter = (uint16_t far *)(enti->spri.spritesheet.buffer + enti->spri.spritesheet.vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST]);
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54 while(vrl_id_iter[num_of_vrl]){
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58 // Allocate memory for vrl line offsets table
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59 #ifndef VRS_USECAMMPM
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60 vrl_line_offsets = malloc(sizeof(vrl1_vgax_offset_t *)*num_of_vrl);//TODO: USE MM_ CA_ AND PM_
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68 MM_GetPtr(MEMPTRCONV gvar->ca.grsegs, sizeof(vrl1_vgax_offset_t *)*num_of_vrl, gvar);
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69 enti->spri.spritesheet.vrl_line_offsets = (vrl1_vgax_offset_t **)gvar->ca.grsegs;
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74 vrl_headers_offsets = (uint32_t far *)(enti->spri.spritesheet.buffer + enti->spri.spritesheet.vrs_hdr->offset_table[VRS_HEADER_OFFSET_VRS_LIST]);
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75 // Calculate line offsets for each vrl
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76 for(i = 0; i < num_of_vrl; i++){
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77 curr_vrl = (struct vrl1_vgax_header far *)(enti->spri.spritesheet.buffer + vrl_headers_offsets[i]);
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79 // Calc. vrl size as (next_offset - curr_offset)
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80 if (i != num_of_vrl - 1){
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81 vrl_size = vrl_headers_offsets[i+1] - vrl_headers_offsets[i] - sizeof(struct vrl1_vgax_header);
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83 // If it's the last vrl, size is (next_vrs_struct_offset - curr_offset)
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85 vrl_size = enti->spri.spritesheet.vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST] - vrl_headers_offsets[i] - sizeof(struct vrl1_vgax_header);
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87 #ifndef VRS_USECAMMPM
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88 vrl_line_offsets[i] = vrl1_vgax_genlineoffsets(curr_vrl, (byte *)curr_vrl + sizeof(struct vrl1_vgax_header), vrl_size);
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90 enti->spri.spritesheet.vrl_line_offsets[i] = vrl1_vgax_genlineoffsets(curr_vrl, (byte *)curr_vrl + sizeof(struct vrl1_vgax_header), vrl_size);
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93 #ifndef VRS_USECAMMPM
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94 enti->spri.spritesheet.vrl_line_offsets = vrl_line_offsets;
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96 // printf("VRS_OpenVRS\n");
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97 // printf(" vrl_size=%lu\n\n",vrl_size);
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102 void VRS_ReadVRL(char *filename, entity_t *enti, global_game_variables_t *gvar){ VRS_OpenVRL(filename, enti, 1, gvar); }
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103 void VRS_LoadVRL(char *filename, entity_t *enti, global_game_variables_t *gvar){ VRS_OpenVRL(filename, enti, 0, gvar); }
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104 void VRS_OpenVRL(char *filename, entity_t *enti, boolean rlsw, global_game_variables_t *gvar)
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106 #ifndef VRL_USECAMMPM
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107 vrl1_vgax_offset_t *line_offsets;
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109 // uint32_t far *vrl_headers_offsets;
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110 struct vrl1_vgax_header far *curr_vrl;
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115 CA_ReadFile(filename, &gvar->ca.spribuff, gvar);
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118 CA_LoadFile(filename, &gvar->ca.spribuff, gvar);
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122 // Insert sanity cheks later
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123 enti->spri.sprite_vrl_cont.buffer = gvar->ca.spribuff;
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124 enti->spri.sprite_vrl_cont.data_size = sizeof(enti->spri.spritesheet.buffer) - sizeof(struct vrl1_vgax_header);
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126 // Allocate memory for vrl line offsets table
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127 #ifndef VRL_USECAMMPM
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128 line_offsets = malloc(sizeof(vrl1_vgax_offset_t *));//TODO: USE MM_ CA_ AND PM_
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130 MM_GetPtr(MEMPTRCONV gvar->ca.grsegs[0], sizeof(vrl1_vgax_offset_t *), gvar);
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131 enti->spri.sprite_vrl_cont.line_offsets = (vrl1_vgax_offset_t *)gvar->ca.grsegs[0];
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134 //vrl_headers_offsets = (uint32_t far *)(enti->spri.sprite_vrl_cont.buffer + enti->spri.sprite_vrl_cont.vrs_hdr->offset_table[VRL_HEADER_OFFSET_VRL_LIST]);
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135 // Calculate line offsets for each vrl
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136 curr_vrl = (struct vrl1_vgax_header far *)(enti->spri.sprite_vrl_cont.buffer);// + vrl_headers_offsets);
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138 #ifndef VRL_USECAMMPM
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139 line_offsets = vrl1_vgax_genlineoffsets(curr_vrl, (byte *)curr_vrl + sizeof(struct vrl1_vgax_header), sizeof(enti->spri.spritesheet.buffer));
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141 enti->spri.sprite_vrl_cont.line_offsets = vrl1_vgax_genlineoffsets(curr_vrl, (byte *)curr_vrl + sizeof(struct vrl1_vgax_header), sizeof(enti->spri.spritesheet.buffer));
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144 #ifndef VRL_USECAMMPM
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145 enti->spri.sprite_vrl_cont.line_offsets = line_offsets;
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147 printf("VRS_OpenVRL\n");
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148 printf(" vrl_size=%lu\n\n",sizeof(enti->spri.spritesheet.buffer));
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153 // Seek and return a specified .vrl blob from .vrs blob in far memory
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154 int get_vrl_by_id(struct vrs_container far *vrs_cont, uint16_t id, struct vrl_container *vrl_cont){
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156 uint32_t far *vrl_offs_list;
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159 // If id is invalid, return -1
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161 // Probably add an error message?
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165 // Get id list from .vrs blob (base + offset)
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166 ids = (uint16_t far*)(vrs_cont->buffer +
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167 vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_SPRITE_ID_LIST]);
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169 // Loop through the id list until we found the right one or hit the end of the list
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170 // Counter is keeping track of the offset(in ids/vrl blobs)
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171 while(ids[counter] != id && ids[counter]){
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174 // Return -2 if we couldn't find the requested id
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180 // Get vrl offsets list from .vrs blob (base + offset)
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181 vrl_offs_list = (uint32_t far *)(vrs_cont->buffer +
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182 vrs_cont->vrs_hdr->offset_table[VRS_HEADER_OFFSET_VRS_LIST]);
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184 // Get vrl_header from .vrs (base + offset from vrl_list)
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185 // Counter is number of vrls to skip (ids and vrls are aligned according to the .vrs specification)
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186 vrl_cont->vrl_header = (struct vrl1_vgax_header far *)(vrs_cont->buffer + vrl_offs_list[counter]);
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188 // Get .vrl size by integer arithmetics (next vrl offset - current vrl offset)
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189 if(ids[counter+1]){
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190 vrl_cont->data_size = vrl_offs_list[counter+1] - vrl_offs_list[counter] - sizeof(struct vrl1_vgax_header);
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192 // If we are retriving the last vrl, size is ids_list offset - current vrl offset, as next vrl offs is 0
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194 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);
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197 // Retrive line offsets form .vrs
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198 vrl_cont->line_offsets = vrs_cont->vrl_line_offsets[counter];
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