489 lines
13 KiB
Plaintext
489 lines
13 KiB
Plaintext
/*
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* Copyright (c) 2023 Vera Visions LLC.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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enumflags
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{
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ENVSTEAM_EMISSIVE
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};
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enumflags
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{
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EVSTEAM_CHANGED_ORIGIN,
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EVSTEAM_CHANGED_ANGLE,
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EVSTEAM_CHANGED_STATE,
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EVSTEAM_CHANGED_TYPE,
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EVSTEAM_CHANGED_SPREAD,
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EVSTEAM_CHANGED_SPEED,
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EVSTEAM_CHANGED_MINS,
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EVSTEAM_CHANGED_MAXS,
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EVSTEAM_CHANGED_RATE,
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EVSTEAM_CHANGED_COLOR,
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EVSTEAM_CHANGED_LENGTH,
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EVSTEAM_CHANGED_ALPHA,
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EVSTEAM_CHANGED_ROLL
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};
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#ifdef CLIENT
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class env_steam_particle
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{
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public:
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void env_steam_particle(void);
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virtual float predraw(void);
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private:
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float m_flStartSize;
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float m_flEndSize;
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float lifetime;
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bool m_bEmissive;
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bool m_bType;
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/* attributes */
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float m_flAlpha;
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vector m_vecColor;
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float m_flLifeTime;
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};
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float
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env_steam_particle::predraw(void)
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{
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float partSize;
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float lerpPos = (lifetime / m_flLifeTime);
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float alpha = m_flAlpha * lerpPos;
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vector color;
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vector spriteRight;
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vector spriteUp;
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if (m_bEmissive)
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color = m_vecColor;
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else
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color = (getlight(origin) / 255);
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partSize = lerp(m_flStartSize, m_flEndSize, lerpPos);
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/* we really don't want to do this here, but people
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will mostly pass image samples and thus won't do orientation on the GPU. */
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spriteRight = anglesToRight(g_view.GetCameraAngle());
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spriteUp = anglesToUp(g_view.GetCameraAngle());
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if (m_bType)
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R_BeginPolygon("textures/sfx/heatsteam", 0, 0);
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else
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R_BeginPolygon("textures/sfx/steam", 0, 0);
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R_PolygonVertex(origin + spriteRight * partSize - spriteUp * partSize, [1,1], m_vecColor, alpha);
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R_PolygonVertex(origin - spriteRight * partSize - spriteUp * partSize, [0,1], m_vecColor, alpha);
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R_PolygonVertex(origin - spriteRight * partSize + spriteUp * partSize, [0,0], m_vecColor, alpha);
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R_PolygonVertex(origin + spriteRight * partSize + spriteUp * partSize, [1,0], m_vecColor, alpha);
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R_EndPolygon();
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if (lerpPos >= 1.0f) {
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remove(this);
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}
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lifetime += frametime;
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return PREDRAW_NEXT;
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}
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void
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env_steam_particle::env_steam_particle(void)
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{
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setsize(this, [0,0,0], [0,0,0]);
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drawmask = MASK_ENGINE;
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lifetime = 0.0f;
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}
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#endif
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/*!QUAKED env_steam (1 .5 0) (-8 -8 -8) (8 8 8) EMISSIVE
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# OVERVIEW
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Environmental steam jet entity.
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# KEYS
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- "targetname" : Name
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- "InitialState" : 0 - Start off, 1 - Start on
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- "type" : Particle type: 0 - Default, 1 - Heat-wave effect
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- "SpreadSpeed" : Amount of spread for the individual steam particles.
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- "Speed" : Particle movement speed in units per second.
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- "StartSize" : Initial size of the particles.
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- "EndSize" : Final size of the particles before removal.
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- "Rate" : Rate of particle emission in units per second.
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- "rendercolor" : Color of the steam particles. Requires EMISSIVE spawnflag.
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- "JetLength" : Lifetime of each particle in units, basically the length of the steam jet.
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- "renderamt" : Alpha channel value of the steam particles.
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- "rollspeed" : Rotation speed of the particles.
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# SPAWNFLAGS
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- EMISSIVE (1) : Smoke will be colored after the 'rendercolor' field.
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# INPUTS
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- "TurnOn" : Turn emitter on.
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- "TurnOff" : Turn emitter off.
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- "Toggle" : Toggle emitter on/off.
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- "JetLength" : Change the length of the steam jet.
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- "Rate" : Change the rate of the particles in units per second.
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- "Speed" : Change the speed of the particles in units per second.
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- "SpreadSpeed" : Change the amount of spread for the particles.
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# TRIVIA
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This entity was introduced in Half-Life 2 (2004).
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*/
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class
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env_steam:NSPointTrigger
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{
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#ifdef SERVER
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bool m_bInitialState;
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#else
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float m_flNexTime;
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#endif
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PREDICTED_BOOL(m_bEmissive)
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PREDICTED_BOOL(m_bState)
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PREDICTED_BOOL(m_bType)
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PREDICTED_FLOAT(m_flSpread)
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PREDICTED_FLOAT(m_flSpeed)
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PREDICTED_FLOAT(m_flStartSize)
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PREDICTED_FLOAT(m_flEndSize)
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PREDICTED_FLOAT(m_flRate)
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PREDICTED_VECTOR(m_vecColor)
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PREDICTED_FLOAT(m_flLength)
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PREDICTED_FLOAT(m_flAlpha)
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PREDICTED_FLOAT(m_flRollSpeed)
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void env_steam(void);
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#ifdef SERVER
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virtual void Save(float);
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virtual void Restore(string,string);
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virtual void SpawnKey(string strKey, string strValue);
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virtual void Respawn(void);
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virtual void Input(entity, string, string);
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virtual void Trigger(entity, triggermode_t);
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virtual void EvaluateEntity(void);
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virtual float SendEntity(entity,float);
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#else
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virtual void ReceiveEntity(float,float);
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virtual float predraw(void);
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#endif
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};
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void
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env_steam::env_steam(void)
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{
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#ifdef SERVER
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m_bEmissive = false;
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m_bInitialState = false;
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m_bState = false;
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m_bType = false;
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m_flSpread = 15.0f;
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m_flSpeed = 120.0f;
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m_flStartSize = 10.0f;
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m_flEndSize = 25.0f;
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m_flRate = 26.0f;
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m_vecColor = [1.0, 1.0, 1.0];
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m_flLength = 80.0;
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m_flAlpha = 1.0f;
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m_flRollSpeed = 8.0f;
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#endif
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}
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#ifdef SERVER
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void
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env_steam::Save(float handle)
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{
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super::Save(handle);
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SaveBool(handle, "m_bEmissive", m_bEmissive);
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SaveBool(handle, "m_bInitialState", m_bInitialState);
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SaveBool(handle, "m_bState", m_bState);
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SaveBool(handle, "m_bType", m_bType);
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SaveFloat(handle, "m_flSpread", m_flSpread);
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SaveFloat(handle, "m_flSpeed", m_flSpeed);
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SaveFloat(handle, "m_flStartSize", m_flStartSize);
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SaveFloat(handle, "m_flEndSize", m_flEndSize);
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SaveFloat(handle, "m_flRate", m_flRate);
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SaveVector(handle, "m_vecColor", m_vecColor);
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SaveFloat(handle, "m_flLength", m_flLength);
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SaveFloat(handle, "m_flAlpha", m_flAlpha);
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SaveFloat(handle, "m_flRollSpeed", m_flRollSpeed);
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}
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void
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env_steam::Restore(string strKey, string strValue)
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{
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switch (strKey) {
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case "m_bEmissive":
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m_bEmissive = ReadBool(strValue);
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break;
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case "m_bInitialState":
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m_bInitialState = ReadBool(strValue);
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break;
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case "m_bState":
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m_bState = ReadBool(strValue);
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break;
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case "m_bType":
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m_bType = ReadBool(strValue);
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break;
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case "m_flSpread":
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m_flSpread = ReadFloat(strValue);
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break;
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case "m_flSpeed":
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m_flSpeed = ReadFloat(strValue);
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break;
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case "m_flStartSize":
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m_flStartSize = ReadFloat(strValue);
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break;
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case "m_flEndSize":
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m_flEndSize = ReadFloat(strValue);
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break;
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case "m_flRate":
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m_flRate = ReadFloat(strValue);
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break;
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case "m_vecColor":
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m_vecColor = ReadVector(strValue);
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break;
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case "m_flLength":
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m_flLength = ReadFloat(strValue);
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break;
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case "m_flAlpha":
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m_flAlpha = ReadFloat(strValue);
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break;
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case "m_flRollSpeed":
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m_flRollSpeed = ReadFloat(strValue);
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break;
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default:
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super::Restore(strKey, strValue);
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}
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}
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void
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env_steam::SpawnKey(string strKey, string strValue)
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{
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switch (strKey) {
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case "InitialState":
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m_bInitialState = stof(strValue);
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break;
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case "type":
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m_bType = stof(strValue);
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break;
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case "SpreadSpeed":
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m_flSpread = stof(strValue);
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break;
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case "Speed":
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m_flSpeed = stof(strValue);
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break;
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case "StartSize":
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m_flStartSize = stof(strValue);
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break;
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case "EndSize":
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m_flEndSize = stof(strValue);
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break;
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case "Rate":
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m_flRate = stof(strValue);
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break;
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case "rendercolor":
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m_vecColor = stov(strValue) / 255;
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break;
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case "JetLength":
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m_flLength = stof(strValue);
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break;
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case "renderamt":
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m_flAlpha = stof(strValue) / 255;
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break;
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case "rollspeed":
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m_flRollSpeed = stof(strValue);
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break;
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default:
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super::SpawnKey(strKey, strValue);
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}
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}
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void
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env_steam::Input(entity eAct, string strInput, string strData)
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{
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switch (strInput) {
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case "TurnOn":
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Trigger(eAct, TRIG_ON);
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break;
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case "TurnOff":
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Trigger(eAct, TRIG_OFF);
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break;
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case "Toggle":
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Trigger(eAct, TRIG_TOGGLE);
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break;
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case "JetLength":
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m_flLength = stof(strData);
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break;
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case "Rate":
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m_flRate = stof(strData);
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break;
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case "Speed":
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m_flSpeed = stof(strData);
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break;
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case "SpreadSpeed":
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m_flSpread = stof(strData);
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break;
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default:
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super::Input(eAct, strInput, strData);
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}
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}
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void
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env_steam::Trigger(entity act, triggermode_t state)
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{
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switch (state) {
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case TRIG_OFF:
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m_bState = false;
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break;
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case TRIG_ON:
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m_bState = true;
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break;
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default:
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m_bState = (m_bState == true) ? false : true;
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}
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}
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void
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env_steam::Respawn(void)
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{
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SetSize([0,0,0], [0,0,0]);
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SetOrigin(GetSpawnOrigin());
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if (m_bInitialState)
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m_bState = true;
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if (HasSpawnFlags(1))
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m_bEmissive = true;
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}
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void
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env_steam::EvaluateEntity(void)
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{
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EVALUATE_VECTOR(origin, 0, EVSTEAM_CHANGED_ORIGIN)
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EVALUATE_VECTOR(origin, 1, EVSTEAM_CHANGED_ORIGIN)
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EVALUATE_VECTOR(origin, 2, EVSTEAM_CHANGED_ORIGIN)
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EVALUATE_VECTOR(angles, 0, EVSTEAM_CHANGED_ANGLE)
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EVALUATE_VECTOR(angles, 1, EVSTEAM_CHANGED_ANGLE)
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EVALUATE_VECTOR(angles, 2, EVSTEAM_CHANGED_ANGLE)
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EVALUATE_FIELD(m_bState, EVSTEAM_CHANGED_STATE)
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EVALUATE_FIELD(m_bEmissive, EVSTEAM_CHANGED_TYPE)
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EVALUATE_FIELD(m_bType, EVSTEAM_CHANGED_TYPE)
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EVALUATE_FIELD(m_flSpread, EVSTEAM_CHANGED_SPREAD)
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EVALUATE_FIELD(m_flSpeed, EVSTEAM_CHANGED_SPEED)
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EVALUATE_FIELD(m_flStartSize, EVSTEAM_CHANGED_MINS)
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EVALUATE_FIELD(m_flEndSize , EVSTEAM_CHANGED_MAXS)
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EVALUATE_FIELD(m_flRate, EVSTEAM_CHANGED_RATE)
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EVALUATE_VECTOR(m_vecColor, 0, EVSTEAM_CHANGED_COLOR)
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EVALUATE_VECTOR(m_vecColor, 1, EVSTEAM_CHANGED_COLOR)
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EVALUATE_VECTOR(m_vecColor, 2, EVSTEAM_CHANGED_COLOR)
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EVALUATE_FIELD(m_flLength, EVSTEAM_CHANGED_LENGTH)
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EVALUATE_FIELD(m_flAlpha, EVSTEAM_CHANGED_ALPHA)
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EVALUATE_FIELD(m_flRollSpeed, EVSTEAM_CHANGED_ROLL)
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}
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float
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env_steam::SendEntity(entity ePEnt, float flChanged)
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{
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WriteByte(MSG_ENTITY, ENT_STEAM);
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WriteFloat(MSG_ENTITY, flChanged);
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SENDENTITY_COORD(origin[0], EVSTEAM_CHANGED_ORIGIN)
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SENDENTITY_COORD(origin[1], EVSTEAM_CHANGED_ORIGIN)
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SENDENTITY_COORD(origin[2], EVSTEAM_CHANGED_ORIGIN)
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SENDENTITY_COORD(angles[0], EVSTEAM_CHANGED_ANGLE)
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SENDENTITY_COORD(angles[1], EVSTEAM_CHANGED_ANGLE)
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SENDENTITY_COORD(angles[2], EVSTEAM_CHANGED_ANGLE)
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SENDENTITY_BYTE(m_bState, EVSTEAM_CHANGED_STATE)
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SENDENTITY_BYTE(m_bEmissive, EVSTEAM_CHANGED_TYPE)
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SENDENTITY_BYTE(m_bType, EVSTEAM_CHANGED_TYPE)
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SENDENTITY_FLOAT(m_flSpread, EVSTEAM_CHANGED_SPREAD)
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SENDENTITY_FLOAT(m_flSpeed, EVSTEAM_CHANGED_SPEED)
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SENDENTITY_FLOAT(m_flStartSize, EVSTEAM_CHANGED_MINS)
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SENDENTITY_FLOAT(m_flEndSize , EVSTEAM_CHANGED_MAXS)
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SENDENTITY_FLOAT(m_flRate, EVSTEAM_CHANGED_RATE)
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SENDENTITY_COLOR(m_vecColor[0], EVSTEAM_CHANGED_COLOR)
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SENDENTITY_COLOR(m_vecColor[1], EVSTEAM_CHANGED_COLOR)
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SENDENTITY_COLOR(m_vecColor[2], EVSTEAM_CHANGED_COLOR)
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SENDENTITY_FLOAT(m_flLength, EVSTEAM_CHANGED_LENGTH)
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SENDENTITY_FLOAT(m_flAlpha, EVSTEAM_CHANGED_ALPHA)
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SENDENTITY_FLOAT(m_flRollSpeed, EVSTEAM_CHANGED_ROLL)
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//print(sprintf("S (%x): %v %v %i\n", flChanged, origin, m_vecEndPos, m_iActive));
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return (1);
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}
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#else
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void
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env_steam::ReceiveEntity(float flNew, float flChanged)
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{
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READENTITY_COORD(origin[0], EVSTEAM_CHANGED_ORIGIN)
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READENTITY_COORD(origin[1], EVSTEAM_CHANGED_ORIGIN)
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READENTITY_COORD(origin[2], EVSTEAM_CHANGED_ORIGIN)
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READENTITY_COORD(angles[0], EVSTEAM_CHANGED_ANGLE)
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READENTITY_COORD(angles[1], EVSTEAM_CHANGED_ANGLE)
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READENTITY_COORD(angles[2], EVSTEAM_CHANGED_ANGLE)
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READENTITY_BYTE(m_bState, EVSTEAM_CHANGED_STATE)
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READENTITY_BYTE(m_bEmissive, EVSTEAM_CHANGED_TYPE)
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READENTITY_BYTE(m_bType, EVSTEAM_CHANGED_TYPE)
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READENTITY_FLOAT(m_flSpread, EVSTEAM_CHANGED_SPREAD)
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READENTITY_FLOAT(m_flSpeed, EVSTEAM_CHANGED_SPEED)
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READENTITY_FLOAT(m_flStartSize, EVSTEAM_CHANGED_MINS)
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READENTITY_FLOAT(m_flEndSize , EVSTEAM_CHANGED_MAXS)
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READENTITY_FLOAT(m_flRate, EVSTEAM_CHANGED_RATE)
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READENTITY_COLOR(m_vecColor[0], EVSTEAM_CHANGED_COLOR)
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READENTITY_COLOR(m_vecColor[1], EVSTEAM_CHANGED_COLOR)
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READENTITY_COLOR(m_vecColor[2], EVSTEAM_CHANGED_COLOR)
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READENTITY_FLOAT(m_flLength, EVSTEAM_CHANGED_LENGTH)
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READENTITY_FLOAT(m_flAlpha, EVSTEAM_CHANGED_ALPHA)
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READENTITY_FLOAT(m_flRollSpeed, EVSTEAM_CHANGED_ROLL)
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//print(sprintf("R (%x): %v %v %i\n", flChanged, origin, m_vecEndPos, m_iActive));
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drawmask = MASK_ENGINE;
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setsize(this, [0,0,0], [0,0,0]);
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setorigin(this, origin);
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}
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float
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env_steam::predraw(void)
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{
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vector vecPlayer = g_view.GetCameraOrigin();
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if (checkpvs(vecPlayer, this) == FALSE)
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return (PREDRAW_NEXT);
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if (m_flNexTime > time)
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return (PREDRAW_NEXT);
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env_steam_particle cloud = spawn(env_steam_particle);
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setorigin(cloud, origin);
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cloud.m_bEmissive = m_bEmissive;
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cloud.m_bType = m_bType;
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cloud.m_vecColor = m_vecColor;
|
|
cloud.m_flAlpha = m_flAlpha;
|
|
cloud.m_flStartSize = m_flStartSize;
|
|
cloud.m_flEndSize = m_flEndSize;
|
|
cloud.m_flLifeTime = m_flLength / m_flSpeed;
|
|
cloud.movetype = MOVETYPE_FLY;
|
|
makevectors(angles);
|
|
cloud.velocity = v_forward * m_flSpeed;
|
|
cloud.velocity += v_right * ((random() - 0.5) * m_flSpread);
|
|
cloud.velocity += v_up * ((random() - 0.5) * m_flSpread);
|
|
|
|
m_flNexTime = time + (1/m_flRate);
|
|
|
|
addentity(self);
|
|
return (PREDRAW_NEXT);
|
|
}
|
|
#endif |