ref: 9299576c621d178e8d17a648a36df06e86bc7a97
dir: /src/deh_ptr.c/
// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // Copyright(C) 2005 Simon Howard // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA // 02111-1307, USA. // //----------------------------------------------------------------------------- // // Parses Action Pointer entries in dehacked files // //----------------------------------------------------------------------------- #include <stdlib.h> #include <string.h> #include "doomdef.h" #include "doomtype.h" #include "info.h" #include "deh_defs.h" #include "deh_io.h" #include "deh_main.h" static actionf_t codeptrs[NUMSTATES]; static int CodePointerIndex(actionf_t *ptr) { int i; for (i=0; i<NUMSTATES; ++i) { if (!memcmp(&codeptrs[i], ptr, sizeof(actionf_t))) { return i; } } return -1; } static void DEH_PointerInit(void) { int i; // Initialise list of dehacked pointers for (i=0; i<NUMSTATES; ++i) codeptrs[i] = states[i].action; } static void *DEH_PointerStart(deh_context_t *context, char *line) { int frame_number = 0; // FIXME: can the third argument here be something other than "Frame" // or are we ok? if (sscanf(line, "Pointer %*i (%*s %i)", &frame_number) != 1) { DEH_Warning(context, "Parse error on section start"); return NULL; } if (frame_number < 0 || frame_number >= NUMSTATES) { DEH_Warning(context, "Invalid frame number: %i", frame_number); return NULL; } return &states[frame_number]; } static void DEH_PointerParseLine(deh_context_t *context, char *line, void *tag) { state_t *state; char *variable_name, *value; int ivalue; if (tag == NULL) return; state = (state_t *) tag; // Parse the assignment if (!DEH_ParseAssignment(line, &variable_name, &value)) { // Failed to parse DEH_Warning(context, "Failed to parse assignment"); return; } // printf("Set %s to %s for state\n", variable_name, value); // all values are integers ivalue = atoi(value); // set the appropriate field if (!strcasecmp(variable_name, "Codep frame")) { if (ivalue < 0 || ivalue >= NUMSTATES) { DEH_Warning(context, "Invalid state '%i'", ivalue); } else { state->action = codeptrs[ivalue]; } } else { DEH_Warning(context, "Unknown variable name '%s'", variable_name); } } static void DEH_PointerMD5Sum(md5_context_t *context) { int i; for (i=0; i<NUMSTATES; ++i) { MD5_UpdateInt32(context, CodePointerIndex(&states[i].action)); } } deh_section_t deh_section_pointer = { "Pointer", DEH_PointerInit, DEH_PointerStart, DEH_PointerParseLine, NULL, DEH_PointerMD5Sum, };