/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. This file is part of Quake III Arena source code. Quake III Arena source code 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. Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =========================================================================== */ /***************************************************************************** * name: be_ai_weight.c * * desc: fuzzy logic * * $Archive: /MissionPack/code/botlib/be_ai_weight.c $ * *****************************************************************************/ #include "../qcommon/q_shared.h" #include "l_memory.h" #include "l_log.h" #include "l_utils.h" #include "l_script.h" #include "l_precomp.h" #include "l_struct.h" #include "l_libvar.h" #include "aasfile.h" #include "botlib.h" #include "be_aas.h" #include "be_aas_funcs.h" #include "be_interface.h" #include "be_ai_weight.h" #define MAX_INVENTORYVALUE 999999 #define EVALUATERECURSIVELY #define MAX_WEIGHT_FILES 128 weightconfig_t *weightFileList[MAX_WEIGHT_FILES]; //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== int ReadValue(source_t *source, float *value) { token_t token; if (!PC_ExpectAnyToken(source, &token)) return qfalse; if (!strcmp(token.string, "-")) { SourceWarning(source, "negative value set to zero"); if(!PC_ExpectAnyToken(source, &token)) { SourceError(source, "Missing return value"); return qfalse; } } if (token.type != TT_NUMBER) { SourceError(source, "invalid return value %s", token.string); return qfalse; } *value = token.floatvalue; return qtrue; } //end of the function ReadValue //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== int ReadFuzzyWeight(source_t *source, fuzzyseperator_t *fs) { if (PC_CheckTokenString(source, "balance")) { fs->type = WT_BALANCE; if (!PC_ExpectTokenString(source, "(")) return qfalse; if (!ReadValue(source, &fs->weight)) return qfalse; if (!PC_ExpectTokenString(source, ",")) return qfalse; if (!ReadValue(source, &fs->minweight)) return qfalse; if (!PC_ExpectTokenString(source, ",")) return qfalse; if (!ReadValue(source, &fs->maxweight)) return qfalse; if (!PC_ExpectTokenString(source, ")")) return qfalse; } //end if else { fs->type = 0; if (!ReadValue(source, &fs->weight)) return qfalse; fs->minweight = fs->weight; fs->maxweight = fs->weight; } //end if if (!PC_ExpectTokenString(source, ";")) return qfalse; return qtrue; } //end of the function ReadFuzzyWeight //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void FreeFuzzySeperators_r(fuzzyseperator_t *fs) { if (!fs) return; if (fs->child) FreeFuzzySeperators_r(fs->child); if (fs->next) FreeFuzzySeperators_r(fs->next); FreeMemory(fs); } //end of the function FreeFuzzySeperators //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void FreeWeightConfig2(weightconfig_t *config) { int i; for (i = 0; i < config->numweights; i++) { FreeFuzzySeperators_r(config->weights[i].firstseperator); if (config->weights[i].name) FreeMemory(config->weights[i].name); } //end for FreeMemory(config); } //end of the function FreeWeightConfig2 //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void FreeWeightConfig(weightconfig_t *config) { if (!LibVarGetValue("bot_reloadcharacters")) return; FreeWeightConfig2(config); } //end of the function FreeWeightConfig //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== fuzzyseperator_t *ReadFuzzySeperators_r(source_t *source) { int newindent, index, def, founddefault; token_t token; fuzzyseperator_t *fs, *lastfs, *firstfs; founddefault = qfalse; firstfs = NULL; lastfs = NULL; if (!PC_ExpectTokenString(source, "(")) return NULL; if (!PC_ExpectTokenType(source, TT_NUMBER, TT_INTEGER, &token)) return NULL; index = token.intvalue; if (!PC_ExpectTokenString(source, ")")) return NULL; if (!PC_ExpectTokenString(source, "{")) return NULL; if (!PC_ExpectAnyToken(source, &token)) return NULL; do { def = !strcmp(token.string, "default"); if (def || !strcmp(token.string, "case")) { fs = (fuzzyseperator_t *) GetClearedMemory(sizeof(fuzzyseperator_t)); fs->index = index; if (lastfs) lastfs->next = fs; else firstfs = fs; lastfs = fs; if (def) { if (founddefault) { SourceError(source, "switch already has a default"); FreeFuzzySeperators_r(firstfs); return NULL; } //end if fs->value = MAX_INVENTORYVALUE; founddefault = qtrue; } //end if else { if (!PC_ExpectTokenType(source, TT_NUMBER, TT_INTEGER, &token)) { FreeFuzzySeperators_r(firstfs); return NULL; } //end if fs->value = token.intvalue; } //end else if (!PC_ExpectTokenString(source, ":") || !PC_ExpectAnyToken(source, &token)) { FreeFuzzySeperators_r(firstfs); return NULL; } //end if newindent = qfalse; if (!strcmp(token.string, "{")) { newindent = qtrue; if (!PC_ExpectAnyToken(source, &token)) { FreeFuzzySeperators_r(firstfs); return NULL; } //end if } //end if if (!strcmp(token.string, "return")) { if (!ReadFuzzyWeight(source, fs)) { FreeFuzzySeperators_r(firstfs); return NULL; } //end if } //end if else if (!strcmp(token.string, "switch")) { fs->child = ReadFuzzySeperators_r(source); if (!fs->child) { FreeFuzzySeperators_r(firstfs); return NULL; } //end if } //end else if else { SourceError(source, "invalid name %s", token.string); return NULL; } //end else if (newindent) { if (!PC_ExpectTokenString(source, "}")) { FreeFuzzySeperators_r(firstfs); return NULL; } //end if } //end if } //end if else { FreeFuzzySeperators_r(firstfs); SourceError(source, "invalid name %s", token.string); return NULL; } //end else if (!PC_ExpectAnyToken(source, &token)) { FreeFuzzySeperators_r(firstfs); return NULL; } //end if } while(strcmp(token.string, "}")); // if (!founddefault) { SourceWarning(source, "switch without default"); fs = (fuzzyseperator_t *) GetClearedMemory(sizeof(fuzzyseperator_t)); fs->index = index; fs->value = MAX_INVENTORYVALUE; fs->weight = 0; fs->next = NULL; fs->child = NULL; if (lastfs) lastfs->next = fs; else firstfs = fs; } //end if // return firstfs; } //end of the function ReadFuzzySeperators_r //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== weightconfig_t *ReadWeightConfig(char *filename) { int newindent, avail = 0, n; token_t token; source_t *source; fuzzyseperator_t *fs; weightconfig_t *config = NULL; #ifdef DEBUG int starttime; starttime = Sys_MilliSeconds(); #endif //DEBUG if (!LibVarGetValue("bot_reloadcharacters")) { avail = -1; for( n = 0; n < MAX_WEIGHT_FILES; n++ ) { config = weightFileList[n]; if( !config ) { if( avail == -1 ) { avail = n; } //end if continue; } //end if if( strcmp( filename, config->filename ) == 0 ) { //botimport.Print( PRT_MESSAGE, "retained %s\n", filename ); return config; } //end if } //end for if( avail == -1 ) { botimport.Print( PRT_ERROR, "weightFileList was full trying to load %s\n", filename ); return NULL; } //end if } //end if PC_SetBaseFolder(BOTFILESBASEFOLDER); source = LoadSourceFile(filename); if (!source) { botimport.Print(PRT_ERROR, "counldn't load %s\n", filename); return NULL; } //end if // config = (weightconfig_t *) GetClearedMemory(sizeof(weightconfig_t)); config->numweights = 0; Q_strncpyz( config->filename, filename, sizeof(config->filename) ); //parse the item config file while(PC_ReadToken(source, &token)) { if (!strcmp(token.string, "weight")) { if (config->numweights >= MAX_WEIGHTS) { SourceWarning(source, "too many fuzzy weights"); break; } //end if if (!PC_ExpectTokenType(source, TT_STRING, 0, &token)) { FreeWeightConfig(config); FreeSource(source); return NULL; } //end if StripDoubleQuotes(token.string); config->weights[config->numweights].name = (char *) GetClearedMemory(strlen(token.string) + 1); strcpy(config->weights[config->numweights].name, token.string); if (!PC_ExpectAnyToken(source, &token)) { FreeWeightConfig(config); FreeSource(source); return NULL; } //end if newindent = qfalse; if (!strcmp(token.string, "{")) { newindent = qtrue; if (!PC_ExpectAnyToken(source, &token)) { FreeWeightConfig(config); FreeSource(source); return NULL; } //end if } //end if if (!strcmp(token.string, "switch")) { fs = ReadFuzzySeperators_r(source); if (!fs) { FreeWeightConfig(config); FreeSource(source); return NULL; } //end if config->weights[config->numweights].firstseperator = fs; } //end if else if (!strcmp(token.string, "return")) { fs = (fuzzyseperator_t *) GetClearedMemory(sizeof(fuzzyseperator_t)); fs->index = 0; fs->value = MAX_INVENTORYVALUE; fs->next = NULL; fs->child = NULL; if (!ReadFuzzyWeight(source, fs)) { FreeMemory(fs); FreeWeightConfig(config); FreeSource(source); return NULL; } //end if config->weights[config->numweights].firstseperator = fs; } //end else if else { SourceError(source, "invalid name %s", token.string); FreeWeightConfig(config); FreeSource(source); return NULL; } //end else if (newindent) { if (!PC_ExpectTokenString(source, "}")) { FreeWeightConfig(config); FreeSource(source); return NULL; } //end if } //end if config->numweights++; } //end if else { SourceError(source, "invalid name %s", token.string); FreeWeightConfig(config); FreeSource(source); return NULL; } //end else } //end while //free the source at the end of a pass FreeSource(source); //if the file was located in a pak file botimport.Print(PRT_MESSAGE, "loaded %s\n", filename); #ifdef DEBUG if (botDeveloper) { botimport.Print(PRT_MESSAGE, "weights loaded in %d msec\n", Sys_MilliSeconds() - starttime); } //end if #endif //DEBUG // if (!LibVarGetValue("bot_reloadcharacters")) { weightFileList[avail] = config; } //end if // return config; } //end of the function ReadWeightConfig #if 0 //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== qboolean WriteFuzzyWeight(FILE *fp, fuzzyseperator_t *fs) { if (fs->type == WT_BALANCE) { if (fprintf(fp, " return balance(") < 0) return qfalse; if (!WriteFloat(fp, fs->weight)) return qfalse; if (fprintf(fp, ",") < 0) return qfalse; if (!WriteFloat(fp, fs->minweight)) return qfalse; if (fprintf(fp, ",") < 0) return qfalse; if (!WriteFloat(fp, fs->maxweight)) return qfalse; if (fprintf(fp, ");\n") < 0) return qfalse; } //end if else { if (fprintf(fp, " return ") < 0) return qfalse; if (!WriteFloat(fp, fs->weight)) return qfalse; if (fprintf(fp, ";\n") < 0) return qfalse; } //end else return qtrue; } //end of the function WriteFuzzyWeight //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== qboolean WriteFuzzySeperators_r(FILE *fp, fuzzyseperator_t *fs, int indent) { if (!WriteIndent(fp, indent)) return qfalse; if (fprintf(fp, "switch(%d)\n", fs->index) < 0) return qfalse; if (!WriteIndent(fp, indent)) return qfalse; if (fprintf(fp, "{\n") < 0) return qfalse; indent++; do { if (!WriteIndent(fp, indent)) return qfalse; if (fs->next) { if (fprintf(fp, "case %d:", fs->value) < 0) return qfalse; } //end if else { if (fprintf(fp, "default:") < 0) return qfalse; } //end else if (fs->child) { if (fprintf(fp, "\n") < 0) return qfalse; if (!WriteIndent(fp, indent)) return qfalse; if (fprintf(fp, "{\n") < 0) return qfalse; if (!WriteFuzzySeperators_r(fp, fs->child, indent + 1)) return qfalse; if (!WriteIndent(fp, indent)) return qfalse; if (fs->next) { if (fprintf(fp, "} //end case\n") < 0) return qfalse; } //end if else { if (fprintf(fp, "} //end default\n") < 0) return qfalse; } //end else } //end if else { if (!WriteFuzzyWeight(fp, fs)) return qfalse; } //end else fs = fs->next; } while(fs); indent--; if (!WriteIndent(fp, indent)) return qfalse; if (fprintf(fp, "} //end switch\n") < 0) return qfalse; return qtrue; } //end of the function WriteItemFuzzyWeights_r //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== qboolean WriteWeightConfig(char *filename, weightconfig_t *config) { int i; FILE *fp; weight_t *ifw; fp = fopen(filename, "wb"); if (!fp) return qfalse; for (i = 0; i < config->numweights; i++) { ifw = &config->weights[i]; if (fprintf(fp, "\nweight \"%s\"\n", ifw->name) < 0) return qfalse; if (fprintf(fp, "{\n") < 0) return qfalse; if (ifw->firstseperator->index > 0) { if (!WriteFuzzySeperators_r(fp, ifw->firstseperator, 1)) return qfalse; } //end if else { if (!WriteIndent(fp, 1)) return qfalse; if (!WriteFuzzyWeight(fp, ifw->firstseperator)) return qfalse; } //end else if (fprintf(fp, "} //end weight\n") < 0) return qfalse; } //end for fclose(fp); return qtrue; } //end of the function WriteWeightConfig #endif //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== int FindFuzzyWeight(weightconfig_t *wc, char *name) { int i; for (i = 0; i < wc->numweights; i++) { if (!strcmp(wc->weights[i].name, name)) { return i; } //end if } //end if return -1; } //end of the function FindFuzzyWeight //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== float FuzzyWeight_r(int *inventory, fuzzyseperator_t *fs) { float scale, w1, w2; if (inventory[fs->index] < fs->value) { if (fs->child) return FuzzyWeight_r(inventory, fs->child); else return fs->weight; } //end if else if (fs->next) { if (inventory[fs->index] < fs->next->value) { //first weight if (fs->child) w1 = FuzzyWeight_r(inventory, fs->child); else w1 = fs->weight; //second weight if (fs->next->child) w2 = FuzzyWeight_r(inventory, fs->next->child); else w2 = fs->next->weight; //the scale factor if(fs->next->value == MAX_INVENTORYVALUE) // is fs->next the default case? return w2; // can't interpolate, return default weight else scale = (float) (inventory[fs->index] - fs->value) / (fs->next->value - fs->value); //scale between the two weights return (1 - scale) * w1 + scale * w2; } //end if return FuzzyWeight_r(inventory, fs->next); } //end else if return fs->weight; } //end of the function FuzzyWeight_r //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== float FuzzyWeightUndecided_r(int *inventory, fuzzyseperator_t *fs) { float scale, w1, w2; if (inventory[fs->index] < fs->value) { if (fs->child) return FuzzyWeightUndecided_r(inventory, fs->child); else return fs->minweight + random() * (fs->maxweight - fs->minweight); } //end if else if (fs->next) { if (inventory[fs->index] < fs->next->value) { //first weight if (fs->child) w1 = FuzzyWeightUndecided_r(inventory, fs->child); else w1 = fs->minweight + random() * (fs->maxweight - fs->minweight); //second weight if (fs->next->child) w2 = FuzzyWeight_r(inventory, fs->next->child); else w2 = fs->next->minweight + random() * (fs->next->maxweight - fs->next->minweight); //the scale factor if(fs->next->value == MAX_INVENTORYVALUE) // is fs->next the default case? return w2; // can't interpolate, return default weight else scale = (float) (inventory[fs->index] - fs->value) / (fs->next->value - fs->value); //scale between the two weights return (1 - scale) * w1 + scale * w2; } //end if return FuzzyWeightUndecided_r(inventory, fs->next); } //end else if return fs->weight; } //end of the function FuzzyWeightUndecided_r //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== float FuzzyWeight(int *inventory, weightconfig_t *wc, int weightnum) { #ifdef EVALUATERECURSIVELY return FuzzyWeight_r(inventory, wc->weights[weightnum].firstseperator); #else fuzzyseperator_t *s; s = wc->weights[weightnum].firstseperator; if (!s) return 0; while(1) { if (inventory[s->index] < s->value) { if (s->child) s = s->child; else return s->weight; } //end if else { if (s->next) s = s->next; else return s->weight; } //end else } //end if return 0; #endif } //end of the function FuzzyWeight //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== float FuzzyWeightUndecided(int *inventory, weightconfig_t *wc, int weightnum) { #ifdef EVALUATERECURSIVELY return FuzzyWeightUndecided_r(inventory, wc->weights[weightnum].firstseperator); #else fuzzyseperator_t *s; s = wc->weights[weightnum].firstseperator; if (!s) return 0; while(1) { if (inventory[s->index] < s->value) { if (s->child) s = s->child; else return s->minweight + random() * (s->maxweight - s->minweight); } //end if else { if (s->next) s = s->next; else return s->minweight + random() * (s->maxweight - s->minweight); } //end else } //end if return 0; #endif } //end of the function FuzzyWeightUndecided //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void EvolveFuzzySeperator_r(fuzzyseperator_t *fs) { if (fs->child) { EvolveFuzzySeperator_r(fs->child); } //end if else if (fs->type == WT_BALANCE) { //every once in a while an evolution leap occurs, mutation if (random() < 0.01) fs->weight += crandom() * (fs->maxweight - fs->minweight); else fs->weight += crandom() * (fs->maxweight - fs->minweight) * 0.5; //modify bounds if necessary because of mutation if (fs->weight < fs->minweight) fs->minweight = fs->weight; else if (fs->weight > fs->maxweight) fs->maxweight = fs->weight; } //end else if if (fs->next) EvolveFuzzySeperator_r(fs->next); } //end of the function EvolveFuzzySeperator_r //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void EvolveWeightConfig(weightconfig_t *config) { int i; for (i = 0; i < config->numweights; i++) { EvolveFuzzySeperator_r(config->weights[i].firstseperator); } //end for } //end of the function EvolveWeightConfig //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void ScaleFuzzySeperator_r(fuzzyseperator_t *fs, float scale) { if (fs->child) { ScaleFuzzySeperator_r(fs->child, scale); } //end if else if (fs->type == WT_BALANCE) { // fs->weight = (float) (fs->maxweight + fs->minweight) * scale; //get the weight between bounds if (fs->weight < fs->minweight) fs->weight = fs->minweight; else if (fs->weight > fs->maxweight) fs->weight = fs->maxweight; } //end else if if (fs->next) ScaleFuzzySeperator_r(fs->next, scale); } //end of the function ScaleFuzzySeperator_r //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void ScaleWeight(weightconfig_t *config, char *name, float scale) { int i; if (scale < 0) scale = 0; else if (scale > 1) scale = 1; for (i = 0; i < config->numweights; i++) { if (!strcmp(name, config->weights[i].name)) { ScaleFuzzySeperator_r(config->weights[i].firstseperator, scale); break; } //end if } //end for } //end of the function ScaleWeight //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void ScaleFuzzySeperatorBalanceRange_r(fuzzyseperator_t *fs, float scale) { if (fs->child) { ScaleFuzzySeperatorBalanceRange_r(fs->child, scale); } //end if else if (fs->type == WT_BALANCE) { float mid = (fs->minweight + fs->maxweight) * 0.5; //get the weight between bounds fs->maxweight = mid + (fs->maxweight - mid) * scale; fs->minweight = mid + (fs->minweight - mid) * scale; if (fs->maxweight < fs->minweight) { fs->maxweight = fs->minweight; } //end if } //end else if if (fs->next) ScaleFuzzySeperatorBalanceRange_r(fs->next, scale); } //end of the function ScaleFuzzySeperatorBalanceRange_r //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void ScaleFuzzyBalanceRange(weightconfig_t *config, float scale) { int i; if (scale < 0) scale = 0; else if (scale > 100) scale = 100; for (i = 0; i < config->numweights; i++) { ScaleFuzzySeperatorBalanceRange_r(config->weights[i].firstseperator, scale); } //end for } //end of the function ScaleFuzzyBalanceRange //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== int InterbreedFuzzySeperator_r(fuzzyseperator_t *fs1, fuzzyseperator_t *fs2, fuzzyseperator_t *fsout) { if (fs1->child) { if (!fs2->child || !fsout->child) { botimport.Print(PRT_ERROR, "cannot interbreed weight configs, unequal child\n"); return qfalse; } //end if if (!InterbreedFuzzySeperator_r(fs2->child, fs2->child, fsout->child)) { return qfalse; } //end if } //end if else if (fs1->type == WT_BALANCE) { if (fs2->type != WT_BALANCE || fsout->type != WT_BALANCE) { botimport.Print(PRT_ERROR, "cannot interbreed weight configs, unequal balance\n"); return qfalse; } //end if fsout->weight = (fs1->weight + fs2->weight) / 2; if (fsout->weight > fsout->maxweight) fsout->maxweight = fsout->weight; if (fsout->weight > fsout->minweight) fsout->minweight = fsout->weight; } //end else if if (fs1->next) { if (!fs2->next || !fsout->next) { botimport.Print(PRT_ERROR, "cannot interbreed weight configs, unequal next\n"); return qfalse; } //end if if (!InterbreedFuzzySeperator_r(fs1->next, fs2->next, fsout->next)) { return qfalse; } //end if } //end if return qtrue; } //end of the function InterbreedFuzzySeperator_r //=========================================================================== // config1 and config2 are interbreeded and stored in configout // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void InterbreedWeightConfigs(weightconfig_t *config1, weightconfig_t *config2, weightconfig_t *configout) { int i; if (config1->numweights != config2->numweights || config1->numweights != configout->numweights) { botimport.Print(PRT_ERROR, "cannot interbreed weight configs, unequal numweights\n"); return; } //end if for (i = 0; i < config1->numweights; i++) { InterbreedFuzzySeperator_r(config1->weights[i].firstseperator, config2->weights[i].firstseperator, configout->weights[i].firstseperator); } //end for } //end of the function InterbreedWeightConfigs //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void BotShutdownWeights(void) { int i; for( i = 0; i < MAX_WEIGHT_FILES; i++ ) { if (weightFileList[i]) { FreeWeightConfig2(weightFileList[i]); weightFileList[i] = NULL; } //end if } //end for } //end of the function BotShutdownWeights