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Location: cpp/openttd-patchpack/source/src/ai/ai_info.cpp
r12162:c4894f5339c3
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(svn r16583) -Update: the order of the language files so it's in sync with english.txt. Normally WT2 would do this, but only with activity for those languages. Now we'd like to the order to match so we can more easily spot import bugs while developing WT3.
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/** @file ai_info.cpp Implementation of AIFileInfo */
#include "../stdafx.h"
#include <squirrel.h>
#include "../script/squirrel.hpp"
#include "../script/squirrel_helper.hpp"
#include "ai.hpp"
#include "ai_info.hpp"
#include "ai_scanner.hpp"
#include "../settings_type.h"
#include "../openttd.h"
AIConfigItem _start_date_config = {
"start_date",
"The amount of days after the start of the last AI, this AI will start (give or take).",
AI::START_NEXT_MIN,
AI::START_NEXT_MAX,
AI::START_NEXT_MEDIUM,
AI::START_NEXT_EASY,
AI::START_NEXT_MEDIUM,
AI::START_NEXT_HARD,
AI::START_NEXT_DEVIATION,
30,
AICONFIG_NONE,
NULL
};
AILibrary::~AILibrary()
{
free((void *)this->category);
}
/* static */ SQInteger AIFileInfo::Constructor(HSQUIRRELVM vm, AIFileInfo *info)
{
SQInteger res = ScriptFileInfo::Constructor(vm, info);
if (res != 0) return res;
info->base = ((AIScanner *)Squirrel::GetGlobalPointer(vm));
return 0;
}
/* static */ SQInteger AIInfo::Constructor(HSQUIRRELVM vm)
{
/* Get the AIInfo */
SQUserPointer instance = NULL;
if (SQ_FAILED(sq_getinstanceup(vm, 2, &instance, 0)) || instance == NULL) return sq_throwerror(vm, _SC("Pass an instance of a child class of AIInfo to RegisterAI"));
AIInfo *info = (AIInfo *)instance;
SQInteger res = AIFileInfo::Constructor(vm, info);
if (res != 0) return res;
AIConfigItem config = _start_date_config;
config.name = strdup(config.name);
config.description = strdup(config.description);
info->config_list.push_back(config);
/* Check if we have settings */
if (info->engine->MethodExists(*info->SQ_instance, "GetSettings")) {
if (!info->GetSettings()) return SQ_ERROR;
}
if (info->engine->MethodExists(*info->SQ_instance, "MinVersionToLoad")) {
if (!info->engine->CallIntegerMethod(*info->SQ_instance, "MinVersionToLoad", &info->min_loadable_version)) return SQ_ERROR;
} else {
info->min_loadable_version = info->GetVersion();
}
/* When there is an UseAsRandomAI function, call it. */
if (info->engine->MethodExists(*info->SQ_instance, "UseAsRandomAI")) {
if (!info->engine->CallBoolMethod(*info->SQ_instance, "UseAsRandomAI", &info->use_as_random)) return SQ_ERROR;
} else {
info->use_as_random = true;
}
/* Remove the link to the real instance, else it might get deleted by RegisterAI() */
sq_setinstanceup(vm, 2, NULL);
/* Register the AI to the base system */
info->base->RegisterAI(info);
return 0;
}
/* static */ SQInteger AIInfo::DummyConstructor(HSQUIRRELVM vm)
{
/* Get the AIInfo */
SQUserPointer instance;
sq_getinstanceup(vm, 2, &instance, 0);
AIInfo *info = (AIInfo *)instance;
SQInteger res = AIFileInfo::Constructor(vm, info);
if (res != 0) return res;
/* Remove the link to the real instance, else it might get deleted by RegisterAI() */
sq_setinstanceup(vm, 2, NULL);
/* Register the AI to the base system */
info->base->SetDummyAI(info);
return 0;
}
bool AIInfo::GetSettings()
{
return this->engine->CallMethod(*this->SQ_instance, "GetSettings", NULL, -1);
}
AIInfo::~AIInfo()
{
/* Free all allocated strings */
for (AIConfigItemList::iterator it = this->config_list.begin(); it != this->config_list.end(); it++) {
free((void*)(*it).name);
free((void*)(*it).description);
if (it->labels != NULL) {
for (LabelMapping::iterator it2 = (*it).labels->Begin(); it2 != (*it).labels->End(); it2++) {
free(it2->second);
}
delete it->labels;
}
}
this->config_list.clear();
}
bool AIInfo::CanLoadFromVersion(int version) const
{
if (version == -1) return true;
return version >= this->min_loadable_version && version <= this->GetVersion();
}
SQInteger AIInfo::AddSetting(HSQUIRRELVM vm)
{
AIConfigItem config;
memset(&config, 0, sizeof(config));
config.max_value = 1;
config.step_size = 1;
uint items = 0;
/* Read the table, and find all properties we care about */
sq_pushnull(vm);
while (SQ_SUCCEEDED(sq_next(vm, -2))) {
const SQChar *sqkey;
if (SQ_FAILED(sq_getstring(vm, -2, &sqkey))) return SQ_ERROR;
const char *key = FS2OTTD(sqkey);
if (strcmp(key, "name") == 0) {
const SQChar *sqvalue;
if (SQ_FAILED(sq_getstring(vm, -1, &sqvalue))) return SQ_ERROR;
config.name = strdup(FS2OTTD(sqvalue));
char *s;
/* Don't allow '=' and ',' in configure setting names, as we need those
* 2 chars to nicely store the settings as a string. */
while ((s = (char *)strchr(config.name, '=')) != NULL) *s = '_';
while ((s = (char *)strchr(config.name, ',')) != NULL) *s = '_';
items |= 0x001;
} else if (strcmp(key, "description") == 0) {
const SQChar *sqdescription;
if (SQ_FAILED(sq_getstring(vm, -1, &sqdescription))) return SQ_ERROR;
config.description = strdup(FS2OTTD(sqdescription));
items |= 0x002;
} else if (strcmp(key, "min_value") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.min_value = res;
items |= 0x004;
} else if (strcmp(key, "max_value") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.max_value = res;
items |= 0x008;
} else if (strcmp(key, "easy_value") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.easy_value = res;
items |= 0x010;
} else if (strcmp(key, "medium_value") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.medium_value = res;
items |= 0x020;
} else if (strcmp(key, "hard_value") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.hard_value = res;
items |= 0x040;
} else if (strcmp(key, "random_deviation") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.random_deviation = res;
items |= 0x200;
} else if (strcmp(key, "custom_value") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.custom_value = res;
items |= 0x080;
} else if (strcmp(key, "step_size") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.step_size = res;
} else if (strcmp(key, "flags") == 0) {
SQInteger res;
if (SQ_FAILED(sq_getinteger(vm, -1, &res))) return SQ_ERROR;
config.flags = (AIConfigFlags)res;
items |= 0x100;
} else {
char error[1024];
snprintf(error, sizeof(error), "unknown setting property '%s'", key);
this->engine->ThrowError(error);
return SQ_ERROR;
}
sq_pop(vm, 2);
}
sq_pop(vm, 1);
/* Don't allow both random_deviation and AICONFIG_RANDOM to
* be set for the same config item. */
if ((items & 0x200) != 0 && (config.flags & AICONFIG_RANDOM) != 0) {
char error[1024];
snprintf(error, sizeof(error), "Setting both random_deviation and AICONFIG_RANDOM is not allowed");
this->engine->ThrowError(error);
return SQ_ERROR;
}
/* Reset the bit for random_deviation as it's optional. */
items &= ~0x200;
/* Make sure all properties are defined */
uint mask = (config.flags & AICONFIG_BOOLEAN) ? 0x1F3 : 0x1FF;
if (items != mask) {
char error[1024];
snprintf(error, sizeof(error), "please define all properties of a setting (min/max not allowed for booleans)");
this->engine->ThrowError(error);
return SQ_ERROR;
}
this->config_list.push_back(config);
return 0;
}
SQInteger AIInfo::AddLabels(HSQUIRRELVM vm)
{
const SQChar *sq_setting_name;
if (SQ_FAILED(sq_getstring(vm, -2, &sq_setting_name))) return SQ_ERROR;
const char *setting_name = FS2OTTD(sq_setting_name);
AIConfigItem *config = NULL;
for (AIConfigItemList::iterator it = this->config_list.begin(); it != this->config_list.end(); it++) {
if (strcmp((*it).name, setting_name) == 0) config = &(*it);
}
if (config == NULL) {
char error[1024];
snprintf(error, sizeof(error), "Trying to add labels for non-defined setting '%s'", setting_name);
this->engine->ThrowError(error);
return SQ_ERROR;
}
if (config->labels != NULL) return SQ_ERROR;
config->labels = new LabelMapping;
/* Read the table and find all labels */
sq_pushnull(vm);
while (SQ_SUCCEEDED(sq_next(vm, -2))) {
const SQChar *sq_key;
const SQChar *sq_label;
if (SQ_FAILED(sq_getstring(vm, -2, &sq_key))) return SQ_ERROR;
if (SQ_FAILED(sq_getstring(vm, -1, &sq_label))) return SQ_ERROR;
/* Because squirrel doesn't support identifiers starting with a digit,
* we skip the first character. */
const char *key_string = FS2OTTD(sq_key);
int key = atoi(key_string + 1);
const char *label = FS2OTTD(sq_label);
if (config->labels->Find(key) == config->labels->End()) config->labels->Insert(key, strdup(label));
sq_pop(vm, 2);
}
sq_pop(vm, 1);
return 0;
}
const AIConfigItemList *AIInfo::GetConfigList() const
{
return &this->config_list;
}
const AIConfigItem *AIInfo::GetConfigItem(const char *name) const
{
for (AIConfigItemList::const_iterator it = this->config_list.begin(); it != this->config_list.end(); it++) {
if (strcmp((*it).name, name) == 0) return &(*it);
}
return NULL;
}
int AIInfo::GetSettingDefaultValue(const char *name) const
{
for (AIConfigItemList::const_iterator it = this->config_list.begin(); it != this->config_list.end(); it++) {
if (strcmp((*it).name, name) != 0) continue;
/* The default value depends on the difficulty level */
switch ((_game_mode == GM_MENU) ? _settings_newgame.difficulty.diff_level : _settings_game.difficulty.diff_level) {
case 0: return (*it).easy_value;
case 1: return (*it).medium_value;
case 2: return (*it).hard_value;
case 3: return (*it).custom_value;
default: NOT_REACHED();
}
}
/* There is no such setting */
return -1;
}
/* static */ SQInteger AILibrary::Constructor(HSQUIRRELVM vm)
{
/* Create a new AIFileInfo */
AILibrary *library = new AILibrary();
SQInteger res = AIFileInfo::Constructor(vm, library);
if (res != 0) {
delete library;
return res;
}
/* Cache the category */
if (!library->CheckMethod("GetCategory") || !library->engine->CallStringMethodStrdup(*library->SQ_instance, "GetCategory", &library->category)) {
delete library;
return SQ_ERROR;
}
/* Register the Library to the base system */
library->base->RegisterLibrary(library);
return 0;
}
/* static */ SQInteger AILibrary::Import(HSQUIRRELVM vm)
{
SQConvert::SQAutoFreePointers ptr;
const char *library = GetParam(SQConvert::ForceType<const char *>(), vm, 2, &ptr);
const char *class_name = GetParam(SQConvert::ForceType<const char *>(), vm, 3, &ptr);
int version = GetParam(SQConvert::ForceType<int>(), vm, 4, &ptr);
if (!AI::ImportLibrary(library, class_name, version, vm)) return -1;
return 1;
}
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