粒子系统初步
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@@ -17,4 +17,4 @@
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#include "render/dl_action.h"
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#include "render/dl_animation.h"
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#include "render/dl_light.h"
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#include "render/dl_particle_config.h"
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#include "render/dl_particle.h"
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@@ -0,0 +1,142 @@
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#include "dl_particle.h"
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#include "io/dl_json.h"
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#include "system/dl_time.h"
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#include "io/dl_file.h"
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#include "render/dl_factory.h"
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namespace dl
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{
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ParticleSystem* g_particle;
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Particle* ParticleSystem::Create(std::string_view name)
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{
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auto iter = _allConfig.find(std::string{ name });
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if (iter == _allConfig.end())
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{
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log_err("查找粒子配置失败：{}", name);
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return {};
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}
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Particle* ret = _memoryReuse.New(&iter->second);
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ret->_reset();
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return ret;
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}
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void ParticleSystem::Delete(Particle* par, bool wait /*= true*/)
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{
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bool delete_now = true;
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if (wait)
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{//
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}
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if (delete_now)
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{
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_memoryReuse.Delete(par);
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}
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else
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_listDelete.push_back(par);
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}
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void ParticleSystem::Load(std::string_view path)
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{
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std::vector<std::string> vec;
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File::GetPathFileAll(path, vec, ".json", true);
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for (auto& iter : vec)
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{
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json j = Json::ParseFile(iter);
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if(j.is_null())
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continue;
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ParticleConfig config;
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config.Load(j);
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std::string name = String::GetResName(path, iter);
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log_msg("成功加载到粒子配置：{} <- {}", name, iter);
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_allConfig[name] = config;
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}
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}
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void ParticleSystem::_update()
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{
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for (auto iter = _listDelete.begin(); iter != _listDelete.end();)
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{
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Particle* par = *iter;
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if (par->GetConfig()->system.duration == 0
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|| !par->IsActive())
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{
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_memoryReuse.Delete(par);
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iter = _listDelete.erase(iter);
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}
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else
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++iter;
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}
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}
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void Particle::Render()
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{
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if (!_active)
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return;
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float t = g_time->GetCurrent();
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float duration = _config->system.duration;
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if (duration != 0)
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{
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if (t >= _tCreate + duration)
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{
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_active = false;
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return;
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}
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}
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//------------------发射
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// 每个粒子 发射需要多少毫秒
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float dt_shoot_one = 1.0f / _config->shooter.rate;
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float shoot_num = (t - _tShoot) / dt_shoot_one;
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unsigned real_shoot_num = 0;
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if (shoot_num < 1.0f)
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;
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else
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{
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_tShoot = t;
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real_shoot_num = (unsigned)shoot_num;
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}
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for (ParicleNode& node : _allNode)
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{
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if (node._active)
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{
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if(!node._spr)
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node._spr = g_factory->CloneSprite(_spr);
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node.Render();
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}
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else
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{
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node._active = true;
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}
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}
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}
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void Particle::SetSprite(gcSprite spr)
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{
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_spr = spr;
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// todo refersh
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}
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Particle::Particle(ParticleConfig* config) :
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_config{ config }
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{
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_reset();
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_spr = g_factory->CreateSpriteDefault();
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}
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void Particle::_reset()
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{
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float t = g_time->GetCurrent();
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_active = true;
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_tCreate = t;
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_tShoot = t;
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_allNode.resize(_config->system.max_num);
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}
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}
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@@ -0,0 +1,116 @@
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/**
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* @file dl_particle.h
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* @brief 粒子系统
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*
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*
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* @version 粒子系统
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* @author 1.0
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* @date lveyou
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*
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* @note 26-08-14
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*/
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#pragma once
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#include "io/dl_log.h"
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#include "render/dl_particle_config.h"
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#include "memory/dl_memory_reuse.h"
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#include "render/dl_sprite.h"
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namespace dl
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{
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//! 2d粒子精灵
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struct ParicleNode
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{
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bool _active; // 是否活动中
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Position _v;
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float _tEnd;
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gcSprite _spr;
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void Render()
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{
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_spr->Render();
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}
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ParicleNode() :
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_active{ false }
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{}
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};
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//! 2d粒子实体
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class Particle
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{
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friend class ParticleSystem;
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friend class Memory::Reuse<Particle>;
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public:
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/**
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* @brief 执行逻辑并渲染
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*/
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void Render();
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/**
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* @brief 设置基础精灵
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*/
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void SetSprite(gcSprite spr);
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/**
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* @brief 是否激活状态（播放完成后，进入非激活状态）
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*/
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bool IsActive()
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{
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return _active;
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}
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/**
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* @brief 返回配置
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*/
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const ParticleConfig* GetConfig()
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{
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return _config;
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}
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private:
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Particle(ParticleConfig* config);
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~Particle() {}
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ParticleConfig* _config;
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bool _active;
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float _tCreate; // 创建时间
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float _tShoot; // 上次发射时间
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gcSprite _spr; // 模板精灵
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std::vector<ParicleNode> _allNode;
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void _reset();
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};
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//! 2d粒子系统
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class ParticleSystem
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{
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public:
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/**
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* @brief 创建粒子实体
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* @parma[in] name 资源名
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* @note 必须通过 Delete回收，可以立即回收
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*/
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Particle* Create(std::string_view name);
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/**
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* @brief 删除粒子实体
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* @parma[in] par 实例
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* @parma[in] wait 是否等待播放完成后，再删除（如果是无限循环的粒子，则立即删除）
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* @note 调用后由系统接管 生命周期并绘制
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*/
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void Delete(Particle* par, bool wait = true);
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/**
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* @brief 加载粒子配置
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* @parma[in] path 文件夹
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*/
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void Load(std::string_view path);
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private:
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std::unordered_map<std::string, ParticleConfig> _allConfig;
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dl::Memory::Reuse<Particle> _memoryReuse;
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std::list<Particle*> _listDelete;
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void _update();
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};
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extern ParticleSystem* g_particle;
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}
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@@ -31,6 +31,7 @@
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#include "system/dl_test.h"
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#include "misc/dl_value.h"
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#include "vk/dl_vk.h"
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#include "render/dl_particle.h"
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namespace dl
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@@ -81,8 +82,6 @@ void Engine::Init()
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File::InitFileSystem();
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log_msg0("3.文件系统初始化完成！");
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//g_modelLoader = new ModelLoader;
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g_value = new ValueSystem;
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g_lua = _param._useLua ? new LuaScript : nullptr;
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g_time = _param._useTime ? new Time : nullptr;
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@@ -96,6 +95,7 @@ void Engine::Init()
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g_gfx = new Graphics;
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g_scene = _param._useScene ? new UI::SceneManager : nullptr;
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g_mod = new ModManager;
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g_particle = new ParticleSystem;
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#endif
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g_physics = _param._useFreetype ? new Physics : nullptr;
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g_script = new ScriptSystem;
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@@ -159,6 +159,7 @@ void Engine::Release()
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delete g_as;
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delete g_script;
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#ifndef DL_DISABLE_RENDER
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delete g_particle;
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delete g_mod;
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delete g_scene;
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delete g_gfx;
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@@ -170,8 +171,6 @@ void Engine::Release()
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delete g_freetype;
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#endif
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delete g_physics;
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//delete g_lang;
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//delete g_modelLoader;
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delete g_time;
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delete g_lua;
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delete g_thread;
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@@ -14,6 +14,8 @@ void Test()
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Tool::Manager* g_Tool;
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void Init()
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{
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g_particle->Load("particle/");
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g_Tool = Tool::Manager::Create();
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g_Tool->SetVisible(false);
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@@ -0,0 +1,73 @@
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{
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"__desc": "2d粒子配置",
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"__name": "2d粒子配置",
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"node": {
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"__desc": "粒子参数",
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"__name": "粒子参数",
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"lifetime": {
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"__desc": "存活时间",
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"__name": "存活时间",
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"type": "array<float, 2>",
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"value": [
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1.0,
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2.0
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]
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},
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"speed": {
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"__desc": "速度",
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"__name": "速度",
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"type": "array<float, 2>",
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"value": [
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100.0,
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200.0
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]
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}
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},
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"shooter": {
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"__desc": "发射器设置",
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"__name": "发射器",
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"rate": {
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"__desc": "发射速率，每秒多少个",
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"__name": "发射速率",
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"type": "uint",
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"value": 20
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},
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"shape": {
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"__desc": "发射区域",
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"__name": "发射区域",
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"type": "string",
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"value": "circle"
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}
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},
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"system": {
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"__desc": "主要参数",
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"__name": "主要参数",
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"delay": {
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"__desc": "启动延时",
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"__name": "启动延时",
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"type": "float",
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"value": 0.0
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},
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"duration": {
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"__desc": "持续时间（单位秒）",
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"__name": "持续时间",
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"type": "float",
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"value": 0.0
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},
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"gravity": {
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"__desc": "重力方向和大小",
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"__name": "重力方向和大小",
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"type": "array<float, 2>",
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"value": [
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0.0,
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9.800000190734863
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]
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},
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"max_num": {
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"__desc": "粒子数量上限",
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"__name": "粒子数量上限",
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"type": "uint",
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"value": 1024
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}
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}
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}
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@@ -55,6 +55,13 @@ UISprite::UISprite()
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btn->SetString("帧动画");
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panel_menu->Add(btn);
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}
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{
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UI::ButtonSprite* btn = g_ui->CreateButtonSpriteDefault(
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UI::ButtonStyle::LONG);
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btn->SetMode(UI::ButtonMode::RADIO);
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btn->SetString("粒子系统");
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panel_menu->Add(btn);
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}
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_panelMenu = panel_menu;
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//
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@@ -263,6 +270,8 @@ UISprite::UISprite()
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_txtAni->GetCoor()->SetParent(_panelMenu->GetCoorRef());
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_txtAni->GetCoor()->SetPosition({ 0, 100 });
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_par = g_particle->Create("fire");
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}
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UISprite::~UISprite()
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@@ -284,6 +293,8 @@ void UISprite::Update()
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_update_tile();
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else if (index == 5)
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_update_animation();
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else if (index == 6)
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_update_particle();
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}
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constexpr Position SIZE_MAP_NODE = { 32, 32 };
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@@ -649,3 +660,8 @@ void UISprite::_update_animation()
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txt->GetCoor()->SetPosition({ 0, 300 });
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txt->SetString("wasd移动，j攻击，space滚动");
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}
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void UISprite::_update_particle()
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{
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_par->Render();
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}
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@@ -90,6 +90,9 @@ private:
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}_fsmAni;
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gcText _txtAni;
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// 粒子系统
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Particle* _par;
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void _init_tile_map();
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void _update_base();
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void _update_effect();
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@@ -97,6 +100,7 @@ private:
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void _update_performance();
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void _update_tile();
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void _update_animation();
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void _update_particle();
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void _add_test();
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void _del_test()
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