Browse Source
- Added EntitySharedData which is for things like Position that almost all components need - Changed interfaces which didn't hold up to scrutiny - Fucked with Jamfiles/Jamrules to get Unreal working - Added Subject Observer, which I will likely refactor heavily, but gives an idea for what it will be likecombatComponentRefactor
Macoy Madson
7 years ago
25 changed files with 499 additions and 90 deletions
@ -1,2 +1,3 @@ |
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SubDir . ; |
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SubInclude . src ; |
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SubDir . src ; |
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Library libGalavant : GalavantMain.cpp ; |
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LinkLibraries libGalavant : libGalaThirdPartyWrapper ; |
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MakeLocate libGalavant.a : lib ; |
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SubInclude . src thirdPartyWrapper ; |
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SubInclude . src entityComponentSystem ; |
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SubInclude . src ai ; |
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SubInclude . src world ; |
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SubInclude . src game ; |
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# Experiments and Testing (feel free to remove these if you don't want them built) |
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SubInclude . src experiments ; |
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@ -1,5 +1,7 @@ |
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SubDir . src ai ; |
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Library libGalaAi : htn/HTNTasks.cpp htn/HTNPlanner.cpp ; |
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Library libGalaAi : htn/HTNTasks.cpp htn/HTNPlanner.cpp WorldState.cpp ; |
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LinkLibraries LibGalaAi : LibGalaWorld ; |
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MakeLocate libGalaAi.a : lib ; |
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#include "WorldState.hpp" |
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#include "../entityComponentSystem/EntitySharedData.hpp" |
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namespace gv |
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{ |
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WorldState WorldStateManager::GetWorldStateForAgent(Entity agent) |
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{ |
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EntityWorldStateMap::iterator findEnt = EntityWorldStates.find(agent); |
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if (findEnt == EntityWorldStates.end()) |
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{ |
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WorldState worldState; |
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worldState.SourceAgent.SourceEntity = agent; |
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EntityWorldStates[agent] = worldState; |
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findEnt = EntityWorldStates.find(agent); |
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} |
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WorldState& worldState = findEnt->second; |
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// Positions are likely enough to change that we'll just always update it
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worldState.SourceAgent.position = (*EntityGetPosition(agent)); |
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return worldState; |
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} |
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} |
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#pragma once |
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#include <map> |
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#include "../world/Position.hpp" |
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#include "../entityComponentSystem/EntityTypes.hpp" |
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namespace gv |
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{ |
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struct AgentState |
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{ |
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Entity SourceEntity; |
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Position position; |
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Position TargetPosition; |
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}; |
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/* --WorldState--
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WorldState represents a mutable, copyable reference to all AI-relevant data in the World. |
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Mutable: The data can be manipulated freely without repurcussion. Note that changing data in |
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WorldState is NOT expected to actually change the world - WorldState is like a mirror world |
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Copyable: The data can be copied without a significant amount of time. This means that in order |
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to support mutability, things like changelists might need to be implemented for large datasets |
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instead of actually copying the dataset |
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Copyable: The data can be copied without a significant performance impact. This means that in |
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order to support mutability, things like changelists might need to be implemented for large |
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datasets instead of actually copying the dataset |
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*/ |
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struct WorldState |
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{ |
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// Because an agent is almost always going to...well, maybe this shouldn't be here. For now it
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// will stay.
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AgentState SourceAgent; |
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// This will be removed eventually
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int TestStateChange; |
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}; |
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class WorldStateManager |
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{ |
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private: |
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typedef std::map<Entity, WorldState> EntityWorldStateMap; |
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EntityWorldStateMap EntityWorldStates; |
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public: |
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WorldState GetWorldStateForAgent(Entity agent); |
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}; |
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}; |
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#include "EntitySharedData.hpp" |
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#include <map> |
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#include <cassert> |
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namespace gv |
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{ |
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typedef std::map<Entity, Position> EntityPositionMap; |
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typedef std::map<Entity, Position*> EntityPositionRefMap; |
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struct EntitySharedData |
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{ |
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// Entity positions with no current owner
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EntityPositionMap UnownedEntityPositions; |
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// Entity positions owned by an external module
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EntityPositionRefMap EntityPositionRefs; |
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}; |
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static EntitySharedData s_Data; |
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void EntityCreatePositions(const EntityList& entities, PositionRefList& positions) |
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{ |
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// Should have same number of positions to entities
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assert(entities.size() == positions.size()); |
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for (unsigned int i = 0; i < entities.size(); i++) |
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{ |
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Entity currentEntity = entities[i]; |
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// Ensure we aren't creating positions which have already been created
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{ |
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EntityPositionRefMap::iterator findPositionRef = |
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s_Data.EntityPositionRefs.find(currentEntity); |
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assert(findPositionRef == s_Data.EntityPositionRefs.end()); |
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} |
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// Destroy the unowned position for the entity, if it exists
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{ |
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EntityPositionMap::iterator findPosition = s_Data.UnownedEntityPositions.find(currentEntity); |
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if (findPosition != s_Data.UnownedEntityPositions.end()) |
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s_Data.UnownedEntityPositions.erase(findPosition); |
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} |
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s_Data.EntityPositionRefs[currentEntity] = positions[i]; |
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} |
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} |
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void EntityDestroyPositions(const EntityList& entities) |
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{ |
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// TODO: This is bad :(
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for (EntityPositionRefMap::iterator it = s_Data.EntityPositionRefs.begin(); |
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it != s_Data.EntityPositionRefs.end();) |
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{ |
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bool foundEntity = false; |
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for (Entity currentEntity : entities) |
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{ |
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if (it->first == currentEntity) |
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{ |
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it = s_Data.EntityPositionRefs.erase(it); |
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foundEntity = true; |
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break; |
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} |
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} |
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if (!foundEntity) |
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++it; |
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} |
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} |
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void EntitySetPositions(const EntityList& entities, const PositionList& positions) |
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{ |
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// Should have same number of positions to entities
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assert(entities.size() == positions.size()); |
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for (unsigned int i = 0; i < entities.size(); i++) |
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{ |
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Entity currentEntity = entities[i]; |
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Position currentPosition = positions[i]; |
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EntitySetPosition(currentEntity, currentPosition); |
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} |
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} |
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// This sets the value of the position, not the reference (use EntityCreatePosition for that)
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void EntitySetPosition(const Entity& entity, const Position& position) |
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{ |
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EntityPositionRefMap::iterator findRef = s_Data.EntityPositionRefs.find(entity); |
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if (findRef != s_Data.EntityPositionRefs.end()) |
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(*findRef->second) = position; |
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else |
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s_Data.UnownedEntityPositions[entity] = position; |
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} |
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void EntityGetPositions(const EntityList& entities, PositionRefList& positionsOut) |
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{ |
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for (unsigned int i = 0; i < entities.size(); i++) |
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{ |
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Entity currentEntity = entities[i]; |
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positionsOut[i] = EntityGetPosition(currentEntity); |
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} |
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} |
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// If an entity doesn't have a position, it will be created at 0, 0, 0
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Position* EntityGetPosition(const Entity& entity) |
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{ |
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// Check if we have a reference to the entity's position (another module owns it)
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EntityPositionRefMap::iterator findRef = s_Data.EntityPositionRefs.find(entity); |
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if (findRef != s_Data.EntityPositionRefs.end()) |
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return findRef->second; |
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// Check if we own the position
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EntityPositionMap::iterator findUnowned = s_Data.UnownedEntityPositions.find(entity); |
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if (findUnowned == s_Data.UnownedEntityPositions.end()) |
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{ |
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// We don't own the position; create it
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Position zeroPosition; |
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s_Data.UnownedEntityPositions[entity] = zeroPosition; |
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findUnowned = s_Data.UnownedEntityPositions.find(entity); |
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} |
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return &findUnowned->second; |
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} |
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} |
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#pragma once |
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#include "EntityTypes.hpp" |
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#include "../world/Position.hpp" |
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namespace gv |
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{ |
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// TODO: Make it such that things can own the position and this module is used for lookup externally
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// only. If nothing owns the position this module will anonymously own it until someone steps up
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// This is so I can follow the principle that "That which changes the data, owns the data". It also
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// seems fucking awful to do a map lookup every time anyone wants to read or write a position
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// TODO: Make it clear that we expect the given positions to hang around
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void EntityCreatePositions(const EntityList& entities, PositionRefList& positions); |
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void EntityDestroyPositions(const EntityList& entities); |
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void EntitySetPositions(const EntityList& entities, const PositionList& positions); |
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void EntitySetPosition(const Entity& entity, const Position& position); |
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void EntityGetPositions(const EntityList& entities, PositionRefList& positionsOut); |
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// If an entity doesn't have a position, it will be created at 0, 0, 0
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Position* EntityGetPosition(const Entity& entity); |
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}; |
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SubDir . src entityComponentSystem ; |
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Library libGalaEntityComponent : EntityTypes.cpp EntityComponentManager.cpp ComponentManager.cpp ; |
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Library libGalaEntityComponent : EntityTypes.cpp EntitySharedData.cpp EntityComponentManager.cpp ComponentManager.cpp ; |
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LinkLibraries libGalaEntityComponent : libGalaWorld ; |
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MakeLocate libGalaEntityComponent.a : lib ; |
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#pragma once |
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#include <vector> |
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#include "entityComponentSystem/EntityTypes.hpp" |
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namespace gv |
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{ |
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template <class T> |
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class Observer |
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{ |
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public: |
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Observer() = default; |
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virtual ~Observer() = default; |
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virtual void OnNotify(const T& event) = 0; |
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}; |
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template <class T> |
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class Subject |
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{ |
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private: |
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std::vector<Observer<T>*> Observers; |
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public: |
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Subject() = default; |
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~Subject() = default; |
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void AddObserver(Observer<T>* observer) |
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{ |
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if (observer && std::find(Observers.begin(), Observers.end(), observer) == Observers.end()) |
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Observers.push_back(observer); |
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} |
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void RemoveObserver(Observer<T>* observer) |
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{ |
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typename std::vector<Observer<T>*>::iterator foundObserver = |
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std::find(Observers.begin(), Observers.end(), observer); |
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if (foundObserver != Observers.end()) |
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Observers.remove(foundObserver); |
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} |
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void Notify(const T& event) |
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{ |
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for (Observer<T>* currentObserver : Observers) |
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currentObserver->OnNotify(event); |
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} |
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}; |
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}; |
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