0ad/binaries/data/mods/public/globalscripts/Templates.js
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More versatile placement of research buttons
This patch allows techs to optionally define a property "placeBelow"
specifying a combination of class requirements. The selection panel then
tries to place their research button below the training button whose
unit matches these classes -- if there is only and exactly one.
This is useful for techs only affecting a single type of unit: it e.g.
allows always placing the fishing nets research button below the fishing
boats training button.
To prevent duplicating information in "placeBelow" (e.g. from
"affects"), it can also be set to two magic values: "{AffectedUnit}" and
"{UnlockedUnit}". In practice, many techs use those, but class
combination remain useful for granular control in very specific cases.

Regarding tech pairs, as explained in a comment, their two research
buttons can now be placed in three different arrangements (with
descending preference):
1. Vertically below a single training button.
2. Horizontally below two adjacent training buttons.
3. Horizontally adjacent in the bottom row (below no training buttons).

Vertically in the third and fourth rows (below no training button) --
how it was previously -- is no longer done as it'd conflict with and
doesn't fit the new layout and the clear separation between "generic"
and "specific" techs.

Whenever a research button can't be placed in their preferred location
because it is already occupied, the code simply falls back to the default
position in the bottom row.

This patch also adds a new game option to hide the new small arrows above
the research buttons in order to give more experienced players who already
know the techs well the possibility to reduce visual clutter. By
default, the arrows are shown.
2026-07-06 05:01:12 +02:00

643 lines
20 KiB
JavaScript

/**
* Loads history and gameplay data of all civs.
*
* @param selectableOnly {boolean} - Only load civs that can be selected
* in the gamesetup. Scenario maps might set non-selectable civs.
*/
function loadCivFiles(selectableOnly)
{
const propertyNames = [
"Code", "Culture", "Music", "CivBonuses", "StartEntities",
"AINames", "SkirmishReplacements", "SelectableInGameSetup"];
const civData = {};
for (const filename of Engine.ListDirectoryFiles("simulation/data/civs/", "*.json", false))
{
const data = Engine.ReadJSONFile(filename);
for (const prop of propertyNames)
if (data[prop] === undefined)
throw new Error(filename + " doesn't contain " + prop);
if (selectableOnly && !data.SelectableInGameSetup)
continue;
const template = Engine.GetTemplate("special/players/" + data.Code);
data.Name = template.Identity.GenericName;
data.Emblem = "session/portraits/" + template.Identity.Icon;
data.History = template.Identity.History;
civData[data.Code] = data;
}
return civData;
}
/**
* @return {string[]} - All the classes for this identity template.
*/
function GetIdentityClasses(template)
{
let classString = "";
if (template.Classes && template.Classes._string)
classString += " " + template.Classes._string;
if (template.VisibleClasses && template.VisibleClasses._string)
classString += " " + template.VisibleClasses._string;
if (template.Rank)
classString += " " + template.Rank;
return classString.length > 1 ? classString.substring(1).split(" ") : [];
}
/**
* Gets an array with all classes for this identity template
* that should be shown in the GUI
*/
function GetVisibleIdentityClasses(template)
{
return template.VisibleClasses && template.VisibleClasses._string ? template.VisibleClasses._string.split(" ") : [];
}
/**
* Check if a given list of classes matches another list of classes.
* Useful f.e. for checking identity classes.
*
* @param classes - List of the classes to check against.
* @param match - Either a string in the form
* "Class1 Class2+Class3"
* where spaces are handled as OR and '+'-signs as AND,
* and ! is handled as NOT, thus Class1+!Class2 = Class1 AND NOT Class2.
* Or a list in the form
* [["Class1"], ["Class2", "Class3"]]
* where the outer list is combined as OR, and the inner lists are AND-ed.
* Or a hybrid format containing a list of strings, where the list is
* combined as OR, and the strings are split by space and '+' and AND-ed.
*
* @return undefined if there are no classes or no match object
* true if the the logical combination in the match object matches the classes
* false otherwise.
*/
function MatchesClassList(classes, match)
{
if (!match || !classes)
return undefined;
// Transform the string to an array
if (typeof match === "string")
match = match.split(/\s+/);
for (let sublist of match)
{
// If the elements are still strings, split them by space or by '+'
if (typeof sublist === "string")
sublist = sublist.split(/[+\s]+/);
if (sublist.every(c => (c[0] === "!" && classes.indexOf(c.substr(1)) === -1) ||
(c[0] !== "!" && classes.indexOf(c) !== -1)))
return true;
}
return false;
}
/**
* Gets the value originating at the value_path as-is, with no modifiers applied.
*
* @param {Object} template - A valid template as returned from a template loader.
* @param {string} value_path - Route to value within the xml template structure.
* @param {number} default_value - A value to use if one is not specified in the template.
* @return {number}
*/
function GetBaseTemplateDataValue(template, value_path, default_value)
{
let current_value = template;
for (const property of value_path.split("/"))
current_value = current_value[property] || default_value;
return +current_value;
}
/**
* Gets the value originating at the value_path with the modifiers dictated by the mod_key applied.
*
* @param {Object} template - A valid template as returned from a template loader.
* @param {string} value_path - Route to value within the xml template structure.
* @param {string} mod_key - Tech modification key, if different from value_path.
* @param {number} player - Optional player id.
* @param {Object} modifiers - Value modifiers from auto-researched techs, unit upgrades,
* etc. Optional as only used if no player id provided.
* @param {number} default_value - A value to use if one is not specified in the template.
* @return {number} Modifier altered value.
*/
function GetModifiedTemplateDataValue(template, value_path, mod_key, player, modifiers={}, default_value)
{
let current_value = GetBaseTemplateDataValue(template, value_path, default_value);
mod_key = mod_key || value_path;
if (player)
current_value = ApplyValueModificationsToTemplate(mod_key, current_value, player, template);
else if (modifiers && modifiers[mod_key])
current_value = GetTechModifiedProperty(modifiers[mod_key], GetIdentityClasses(template.Identity), current_value);
// Using .toFixed() to get around spidermonkey's treatment of numbers (3 * 1.1 = 3.3000000000000003 for instance).
return +current_value.toFixed(8);
}
/**
* Get information about a template with or without technology modifications.
*
* NOTICE: The data returned here should have the same structure as
* the object returned by GetEntityState and GetExtendedEntityState!
*
* @param {Object} template - A valid template as returned by the template loader.
* @param {number} player - An optional player id to get the technology modifications
* of properties.
* @param {Object} auraTemplates - In the form of { key: { "auraName": "", "auraDescription": "" } }.
* @param {Object} resources - An instance of the Resources class.
* @param {Object} modifiers - Modifications from auto-researched techs, unit upgrades
* etc. Optional as only used if there's no player
* id provided.
*/
function GetTemplateDataHelper(template, player, auraTemplates, resources, modifiers = {})
{
// Return data either from template (in tech tree) or sim state (ingame).
// @param {string} value_path - Route to the value within the template.
// @param {string} mod_key - Modification key, if not the same as the value_path.
// @param {number} default_value - A value to use if one is not specified in the template.
const getEntityValue = function(value_path, mod_key, default_value = 0)
{
return GetModifiedTemplateDataValue(template, value_path, mod_key, player, modifiers, default_value);
};
const ret = {};
if (template.Resistance)
{
// Don't show Foundation resistance.
ret.resistance = {};
if (template.Resistance.Entity)
{
if (template.Resistance.Entity.Damage)
{
ret.resistance.Damage = {};
for (const damageType in template.Resistance.Entity.Damage)
ret.resistance.Damage[damageType] = getEntityValue("Resistance/Entity/Damage/" + damageType);
}
if (template.Resistance.Entity.Capture)
ret.resistance.Capture = getEntityValue("Resistance/Entity/Capture");
if (template.Resistance.Entity.ApplyStatus)
{
ret.resistance.ApplyStatus = {};
for (const statusEffect in template.Resistance.Entity.ApplyStatus)
ret.resistance.ApplyStatus[statusEffect] = {
"blockChance": getEntityValue("Resistance/Entity/ApplyStatus/" + statusEffect + "/BlockChance"),
"duration": getEntityValue("Resistance/Entity/ApplyStatus/" + statusEffect + "/Duration")
};
}
}
}
const getAttackEffects = (temp, path) =>
{
const effects = {};
if (temp.Capture)
effects.Capture = getEntityValue(path + "/Capture");
if (temp.Damage)
{
effects.Damage = {};
for (const damageType in temp.Damage)
effects.Damage[damageType] = getEntityValue(path + "/Damage/" + damageType);
}
if (temp.ApplyStatus)
effects.ApplyStatus = temp.ApplyStatus;
return effects;
};
if (template.Attack)
{
ret.attack = {};
for (const type in template.Attack)
{
const getAttackStat = function(stat)
{
return getEntityValue("Attack/" + type + "/" + stat);
};
ret.attack[type] = {
"attackName": {
"name": template.Attack[type].AttackName._string || template.Attack[type].AttackName,
"context": template.Attack[type].AttackName["@context"]
},
"minRange": getAttackStat("MinRange"),
"maxRange": getAttackStat("MaxRange"),
"yOrigin": getAttackStat("Origin/Y")
};
ret.attack[type].elevationAdaptedRange = Math.sqrt(ret.attack[type].maxRange *
(2 * ret.attack[type].yOrigin + ret.attack[type].maxRange));
ret.attack[type].repeatTime = getAttackStat("RepeatTime");
if (template.Attack[type].Projectile)
ret.attack[type].friendlyFire = template.Attack[type].Projectile.FriendlyFire == "true";
Object.assign(ret.attack[type], getAttackEffects(template.Attack[type], "Attack/" + type));
if (template.Attack[type].Splash)
{
ret.attack[type].splash = {
"friendlyFire": template.Attack[type].Splash.FriendlyFire != "false",
"shape": template.Attack[type].Splash.Shape,
};
Object.assign(ret.attack[type].splash, getAttackEffects(template.Attack[type].Splash, "Attack/" + type + "/Splash"));
}
}
}
if (template.DeathDamage)
{
ret.deathDamage = {
"friendlyFire": template.DeathDamage.FriendlyFire != "false",
};
Object.assign(ret.deathDamage, getAttackEffects(template.DeathDamage, "DeathDamage"));
}
if (template.Auras && auraTemplates)
{
ret.auras = {};
for (const auraID of template.Auras._string.split(/\s+/))
ret.auras[auraID] = GetAuraDataHelper(auraTemplates[auraID]);
}
if (template.BuildingAI)
ret.buildingAI = {
"defaultArrowCount": Math.round(getEntityValue("BuildingAI/DefaultArrowCount")),
"garrisonArrowMultiplier": getEntityValue("BuildingAI/GarrisonArrowMultiplier"),
"maxArrowCount": Math.round(getEntityValue("BuildingAI/MaxArrowCount"))
};
if (template.BuildRestrictions)
{
// required properties
ret.buildRestrictions = {
"placementType": template.BuildRestrictions.PlacementType,
"territory": template.BuildRestrictions.Territory,
"category": template.BuildRestrictions.Category,
};
// optional properties
if (template.BuildRestrictions.Distance)
{
ret.buildRestrictions.distance = {
"fromClass": template.BuildRestrictions.Distance.FromClass,
};
if (template.BuildRestrictions.Distance.MinDistance)
ret.buildRestrictions.distance.min = getEntityValue("BuildRestrictions/Distance/MinDistance");
if (template.BuildRestrictions.Distance.MaxDistance)
ret.buildRestrictions.distance.max = getEntityValue("BuildRestrictions/Distance/MaxDistance");
}
}
if (template.TrainingRestrictions)
{
ret.trainingRestrictions = {
"category": template.TrainingRestrictions.Category
};
if (template.TrainingRestrictions.MatchLimit)
ret.trainingRestrictions.matchLimit = +template.TrainingRestrictions.MatchLimit;
}
if (template.Cost)
{
ret.cost = {};
for (const resCode in template.Cost.Resources)
ret.cost[resCode] = getEntityValue("Cost/Resources/" + resCode);
if (template.Cost.Population)
ret.cost.population = getEntityValue("Cost/Population");
if (template.Cost.BuildTime)
ret.cost.time = getEntityValue("Cost/BuildTime");
}
if (template.Footprint)
{
ret.footprint = { "height": template.Footprint.Height };
if (template.Footprint.Square)
ret.footprint.square = {
"width": +template.Footprint.Square["@width"],
"depth": +template.Footprint.Square["@depth"]
};
else if (template.Footprint.Circle)
ret.footprint.circle = { "radius": +template.Footprint.Circle["@radius"] };
else
warn("GetTemplateDataHelper(): Unrecognized Footprint type");
}
if (template.Garrisonable)
ret.garrisonable = {
"size": getEntityValue("Garrisonable/Size")
};
if (template.GarrisonHolder)
{
ret.garrisonHolder = {
"buffHeal": getEntityValue("GarrisonHolder/BuffHeal")
};
if (template.GarrisonHolder.Max)
ret.garrisonHolder.capacity = getEntityValue("GarrisonHolder/Max");
}
if (template.Heal)
ret.heal = {
"health": getEntityValue("Heal/Health"),
"range": getEntityValue("Heal/Range"),
"interval": getEntityValue("Heal/Interval")
};
if (template.ResourceGatherer)
{
ret.resourceGatherRates = {};
const baseSpeed = getEntityValue("ResourceGatherer/BaseSpeed");
for (const type in template.ResourceGatherer.Rates)
ret.resourceGatherRates[type] = getEntityValue("ResourceGatherer/Rates/"+ type) * baseSpeed;
}
if (template.ResourceDropsite)
ret.resourceDropsite = {
"types": template.ResourceDropsite.Types.split(" ")
};
if (template.ResourceTrickle)
{
ret.resourceTrickle = {
"interval": +template.ResourceTrickle.Interval,
"rates": {}
};
for (const type in template.ResourceTrickle.Rates)
ret.resourceTrickle.rates[type] = getEntityValue("ResourceTrickle/Rates/" + type);
}
if (template.Loot)
{
ret.loot = {};
for (const type in template.Loot)
ret.loot[type] = getEntityValue("Loot/"+ type);
}
if (template.Obstruction)
{
ret.obstruction = {
"active": ("" + template.Obstruction.Active == "true"),
"blockMovement": ("" + template.Obstruction.BlockMovement == "true"),
"blockPathfinding": ("" + template.Obstruction.BlockPathfinding == "true"),
"blockFoundation": ("" + template.Obstruction.BlockFoundation == "true"),
"blockConstruction": ("" + template.Obstruction.BlockConstruction == "true"),
"disableBlockMovement": ("" + template.Obstruction.DisableBlockMovement == "true"),
"disableBlockPathfinding": ("" + template.Obstruction.DisableBlockPathfinding == "true"),
"shape": {}
};
if (template.Obstruction.Static)
{
ret.obstruction.shape.type = "static";
ret.obstruction.shape.width = +template.Obstruction.Static["@width"];
ret.obstruction.shape.depth = +template.Obstruction.Static["@depth"];
}
else if (template.Obstruction.Unit)
{
ret.obstruction.shape.type = "unit";
ret.obstruction.shape.radius = +template.Obstruction.Unit["@radius"];
}
else
ret.obstruction.shape.type = "cluster";
}
if (template.Pack)
ret.pack = {
"state": template.Pack.State,
"time": getEntityValue("Pack/Time"),
};
if (template.Population && template.Population.Bonus)
ret.population = {
"bonus": getEntityValue("Population/Bonus")
};
if (template.Health)
ret.health = Math.round(getEntityValue("Health/Max"));
if (template.Identity)
{
ret.selectionGroupName = template.Identity.SelectionGroupName;
ret.name = {
"specific": (template.Identity.SpecificName || template.Identity.GenericName),
"generic": template.Identity.GenericName
};
ret.icon = template.Identity.Icon;
ret.tooltip = template.Identity.Tooltip;
ret.requirements = template.Identity.Requirements;
ret.visibleIdentityClasses = GetVisibleIdentityClasses(template.Identity);
ret.nativeCiv = template.Identity.Civ;
}
if (template.UnitMotion)
{
const walkSpeed = getEntityValue("UnitMotion/WalkSpeed");
ret.speed = {
"walk": walkSpeed,
"run": walkSpeed,
"acceleration": getEntityValue("UnitMotion/Acceleration")
};
if (template.UnitMotion.RunMultiplier)
ret.speed.run *= getEntityValue("UnitMotion/RunMultiplier");
}
if (template.Upgrade)
{
ret.upgrades = [];
for (const upgradeName in template.Upgrade)
{
const upgrade = template.Upgrade[upgradeName];
const cost = {};
if (upgrade.Cost)
for (const res in upgrade.Cost)
cost[res] = getEntityValue("Upgrade/" + upgradeName + "/Cost/" + res, "Upgrade/Cost/" + res);
if (upgrade.Time)
cost.time = getEntityValue("Upgrade/" + upgradeName + "/Time", "Upgrade/Time");
ret.upgrades.push({
"entity": upgrade.Entity,
"tooltip": upgrade.Tooltip,
"cost": cost,
"icon": upgrade.Icon,
"requirements": upgrade.Requirements
});
}
}
if (template.Researcher)
{
ret.techCostMultiplier = {};
for (const res of resources.GetCodes().concat(["time"]))
ret.techCostMultiplier[res] = getEntityValue("Researcher/TechCostMultiplier/" + res, null, 1);
}
if (template.Trader)
ret.trader = {
"GainMultiplier": getEntityValue("Trader/GainMultiplier")
};
if (template.Treasure)
{
ret.treasure = {
"collectTime": getEntityValue("Treasure/CollectTime"),
"resources": {}
};
for (const resource in template.Treasure.Resources)
ret.treasure.resources[resource] = getEntityValue("Treasure/Resources/" + resource);
}
if (template.TurretHolder)
ret.turretHolder = {
"turretPoints": template.TurretHolder.TurretPoints
};
if (template.Upkeep)
{
ret.upkeep = {
"interval": +template.Upkeep.Interval,
"rates": {}
};
for (const type in template.Upkeep.Rates)
ret.upkeep.rates[type] = getEntityValue("Upkeep/Rates/" + type);
}
if (template.WallSet)
{
ret.wallSet = {
"templates": {
"tower": template.WallSet.Templates.Tower,
"gate": template.WallSet.Templates.Gate,
"fort": template.WallSet.Templates.Fort || "structures/" + template.Identity.Civ + "/fortress",
"long": template.WallSet.Templates.WallLong,
"medium": template.WallSet.Templates.WallMedium,
"short": template.WallSet.Templates.WallShort
},
"maxTowerOverlap": +template.WallSet.MaxTowerOverlap,
"minTowerOverlap": +template.WallSet.MinTowerOverlap
};
if (template.WallSet.Templates.WallEnd)
ret.wallSet.templates.end = template.WallSet.Templates.WallEnd;
if (template.WallSet.Templates.WallCurves)
ret.wallSet.templates.curves = template.WallSet.Templates.WallCurves.split(/\s+/);
}
if (template.WallPiece)
ret.wallPiece = {
"length": +template.WallPiece.Length,
"angle": +(template.WallPiece.Orientation || 1) * Math.PI,
"indent": +(template.WallPiece.Indent || 0),
"bend": +(template.WallPiece.Bend || 0) * Math.PI
};
return ret;
}
/**
* Get basic information about a technology template.
* @param {Object} template - A valid template as obtained by loading the tech JSON file.
* @param {string} civ - Civilization for which the tech requirements should be calculated.
*/
function GetTechnologyBasicDataHelper(template, civ)
{
return {
"name": {
"generic": template.genericName
},
"icon": template.icon ? "technologies/" + template.icon : undefined,
"description": template.description,
"reqs": DeriveTechnologyRequirements(template, civ),
"modifications": template.modifications,
"affects": template.affects,
"replaces": template.replaces
};
}
/**
* Get information about a technology template.
* @param {Object} template - A valid template as obtained by loading the tech JSON file.
* @param {string} civ - Civilization for which the specific name and tech requirements should be returned.
* @param {Object} resources - An instance of the Resources class.
*/
function GetTechnologyDataHelper(template, civ, resources)
{
const ret = GetTechnologyBasicDataHelper(template, civ);
if (template.specificName)
ret.name.specific = template.specificName[civ] || template.specificName.generic;
ret.cost = { "time": template.researchTime ? +template.researchTime : 0 };
for (const type of resources.GetCodes())
ret.cost[type] = +(template.cost && template.cost[type] || 0);
ret.tooltip = template.tooltip;
ret.requirementsTooltip = template.requirementsTooltip || "";
if (template.placeBelow)
ret.placeBelow = template.placeBelow;
return ret;
}
/**
* Get information about an aura template.
* @param {object} template - A valid template as obtained by loading the aura JSON file.
*/
function GetAuraDataHelper(template)
{
return {
"name": {
"generic": template.auraName,
},
"description": template.auraDescription || null,
"modifications": template.modifications,
"radius": template.radius || null,
};
}
function calculateCarriedResources(carriedResources, tradingGoods)
{
var resources = {};
if (carriedResources)
for (const resource of carriedResources)
resources[resource.type] = (resources[resource.type] || 0) + resource.amount;
if (tradingGoods && tradingGoods.amount)
resources[tradingGoods.type] =
(resources[tradingGoods.type] || 0) +
(tradingGoods.amount.traderGain || 0) +
(tradingGoods.amount.market1Gain || 0) +
(tradingGoods.amount.market2Gain || 0);
return resources;
}
/**
* Remove filter prefix (mirage, corpse, etc) from template name.
*
* ie. filter|dir/to/template -> dir/to/template
*/
function removeFiltersFromTemplateName(templateName)
{
return templateName.split("|").pop();
}