tibia-client/src/framework/graphics/particleemitter.cpp

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/*
* Copyright (c) 2010-2011 OTClient <https://github.com/edubart/otclient>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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#include "particle.h"
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#include "particleemitter.h"
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#include "particlesystem.h"
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#include <framework/core/clock.h>
#include <framework/graphics/texturemanager.h>
#include <framework/util/tools.h>
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#define DEG_TO_RAD (acos(-1)/180.0)
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ParticleEmitter::ParticleEmitter(const ParticleSystemPtr& parent)
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{
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m_parent = parent;
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m_position = Point(0, 0);
m_duration = -1;
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m_delay = 0;
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m_burstRate = 1; m_burstCount = 32;
m_currentBurst = 0;
m_elapsedTime = 0;
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m_finished = false;
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m_active = false;
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// particles default configuration. (make them reasonable for user detect missing properties on scripts)
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m_pMinPositionRadius = 0;
m_pMaxPositionRadius = 3;
m_pMinPositionAngle = 0;
m_pMaxPositionAngle = 360;
m_pMinSize = Size(32, 32);
m_pMaxSize = Size(32, 32);
m_pMinDuration = 0;
m_pMaxDuration = 10;
m_pIgnorePhysicsAfter = -1;
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m_pMinVelocity = 32;
m_pMaxVelocity = 64;
m_pMinVelocityAngle = 0;
m_pMaxVelocityAngle = 360;
m_pMinAcceleration = 32;
m_pMaxAcceleration = 64;
m_pMinAccelerationAngle = 0;
m_pMaxAccelerationAngle = 360;
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}
bool ParticleEmitter::load(const OTMLNodePtr& node)
{
for(const OTMLNodePtr& childNode : node->children()) {
// self related
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if(childNode->tag() == "position")
m_position = childNode->value<Point>();
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else if(childNode->tag() == "duration")
m_duration = childNode->value<float>();
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else if(childNode->tag() == "delay")
m_delay = childNode->value<float>();
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else if(childNode->tag() == "burstRate")
m_burstRate = childNode->value<float>();
else if(childNode->tag() == "burstCount")
m_burstCount = childNode->value<int>();
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// particles generation related
else if(childNode->tag() == "particle-position-radius") {
m_pMinPositionRadius = childNode->value<float>();
m_pMaxPositionRadius = childNode->value<float>();
}
else if(childNode->tag() == "particle-min-position-radius")
m_pMinPositionRadius = childNode->value<float>();
else if(childNode->tag() == "particle-max-position-radius")
m_pMaxPositionRadius = childNode->value<float>();
else if(childNode->tag() == "particle-position-angle") {
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m_pMinPositionAngle = childNode->value<float>() * DEG_TO_RAD;
m_pMaxPositionAngle = childNode->value<float>() * DEG_TO_RAD;
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}
else if(childNode->tag() == "particle-min-position-angle")
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m_pMinPositionAngle = childNode->value<float>() * DEG_TO_RAD;
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else if(childNode->tag() == "particle-max-position-angle")
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m_pMaxPositionAngle = childNode->value<float>() * DEG_TO_RAD;
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// velocity
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else if(childNode->tag() == "particle-velocity") {
m_pMinVelocity = childNode->value<float>();
m_pMaxVelocity = childNode->value<float>();
}
else if(childNode->tag() == "particle-min-velocity")
m_pMinVelocity = childNode->value<float>();
else if(childNode->tag() == "particle-max-velocity")
m_pMaxVelocity = childNode->value<float>();
else if(childNode->tag() == "particle-velocity-angle") {
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m_pMinVelocityAngle = childNode->value<float>() * DEG_TO_RAD;
m_pMaxVelocityAngle = childNode->value<float>() * DEG_TO_RAD;
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}
else if(childNode->tag() == "particle-min-velocity-angle")
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m_pMinVelocityAngle = childNode->value<float>() * DEG_TO_RAD;
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else if(childNode->tag() == "particle-max-velocity-angle")
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m_pMaxVelocityAngle = childNode->value<float>() * DEG_TO_RAD;
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else if(childNode->tag() == "particle-acceleration") {
m_pMinAcceleration = childNode->value<float>();
m_pMaxAcceleration = childNode->value<float>();
}
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// acceleration
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else if(childNode->tag() == "particle-min-acceleration")
m_pMinAcceleration = childNode->value<float>();
else if(childNode->tag() == "particle-max-acceleration")
m_pMaxAcceleration = childNode->value<float>();
else if(childNode->tag() == "particle-acceleration-angle") {
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m_pMinAccelerationAngle = childNode->value<float>() * DEG_TO_RAD;
m_pMaxAccelerationAngle = childNode->value<float>() * DEG_TO_RAD;
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}
else if(childNode->tag() == "particle-min-acceleration-angle")
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m_pMinAccelerationAngle = childNode->value<float>() * DEG_TO_RAD;
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else if(childNode->tag() == "particle-max-acceleration-angle")
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m_pMaxAccelerationAngle = childNode->value<float>() * DEG_TO_RAD;
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// duration
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else if(childNode->tag() == "particle-duration") {
m_pMinDuration = childNode->value<float>();
m_pMaxDuration = childNode->value<float>();
}
else if(childNode->tag() == "particle-min-duration")
m_pMinDuration = childNode->value<float>();
else if(childNode->tag() == "particle-max-duration")
m_pMaxDuration = childNode->value<float>();
else if(childNode->tag() == "particle-ignore-physics-after")
m_pIgnorePhysicsAfter = childNode->value<float>();
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// visual
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else if(childNode->tag() == "particle-size") {
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m_pMinSize = childNode->value<Size>();
m_pMaxSize = childNode->value<Size>();
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}
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else if(childNode->tag() == "particle-min-size")
m_pMinSize = childNode->value<Size>();
else if(childNode->tag() == "particle-max-size")
m_pMaxSize = childNode->value<Size>();
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else if(childNode->tag() == "particle-colors")
m_pColors = Fw::split<Color>(childNode->value());
else if(childNode->tag() == "particle-colors-stops")
m_pColorsStops = Fw::split<float>(childNode->value());
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else if(childNode->tag() == "particle-texture")
m_pTexture = g_textures.getTexture(childNode->value());
}
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if(m_pColors.empty())
m_pColors.push_back(Color(255, 255, 255, 128));
m_pColorsStops.insert(m_pColorsStops.begin(), 0);
if(m_pColors.size() != m_pColorsStops.size()) {
logError("particle colors must be equal to colorstops-1");
return false;
}
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return true;
}
void ParticleEmitter::update(double elapsedTime)
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{
// check if finished
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if(m_duration >= 0 && m_elapsedTime >= m_duration + m_delay) {
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m_finished = true;
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return;
}
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if(!m_active && m_elapsedTime > m_delay)
m_active = true;
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if(m_active) {
int currentBurst = std::floor((m_elapsedTime - m_delay) / m_burstRate) + 1;
for(int b = m_currentBurst; b < currentBurst; ++b) {
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// every burst created at same position.
float pRadius = Fw::randomRange(m_pMinPositionRadius, m_pMaxPositionRadius);
float pAngle = Fw::randomRange(m_pMinPositionAngle, m_pMaxPositionAngle);
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Point pPosition = m_position + Point(pRadius * cos(pAngle), pRadius * sin(pAngle));
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for(int p = 0; p < m_burstCount; ++p) {
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Size pSize = Size(Fw::randomRange(m_pMinSize.width(), m_pMaxSize.width()), Fw::randomRange(m_pMinSize.height(), m_pMaxSize.height()));
float pDuration = Fw::randomRange(m_pMinDuration, m_pMaxDuration);
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// particles initial velocity
float pVelocityAbs = Fw::randomRange(m_pMinVelocity, m_pMaxVelocity);
float pVelocityAngle = Fw::randomRange(m_pMinVelocityAngle, m_pMaxVelocityAngle);
PointF pVelocity(pVelocityAbs * cos(pVelocityAngle), pVelocityAbs * sin(pVelocityAngle));
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// particles initial acceleration
float pAccelerationAbs = Fw::randomRange(m_pMinAcceleration, m_pMaxAcceleration);
float pAccelerationAngle = Fw::randomRange(m_pMinAccelerationAngle, m_pMaxAccelerationAngle);
PointF pAcceleration(pAccelerationAbs * cos(pAccelerationAngle), pAccelerationAbs * sin(pAccelerationAngle));
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ParticleSystemPtr particleSystem = m_parent.lock();
particleSystem->addParticle(ParticlePtr(new Particle(pPosition, pSize, pVelocity, pAcceleration, pDuration, m_pIgnorePhysicsAfter, m_pColors, m_pColorsStops, m_pTexture)));
}
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}
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m_currentBurst = currentBurst;
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}
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m_elapsedTime += elapsedTime;
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}