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tr_weather.cpp
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tr_weather.cpp
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/*
===========================================================================
Copyright (C) 2016, OpenJK contributors
This file is part of the OpenJK source code.
OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/
#include "tr_weather.h"
#include <utility>
#include <vector>
#include <cmath>
namespace
{
const int CHUNK_COUNT = 9; // in 3x3 arrangement
const float CHUNK_EXTENDS = 2000.f;
const float HALF_CHUNK_EXTENDS = CHUNK_EXTENDS * 0.5f;
struct rainVertex_t
{
vec3_t position;
vec3_t velocity;
};
void RB_UpdateWindObject( windObject_t *wo )
{
if (wo->targetVelocityTimeRemaining == 0)
{
if (Q_flrand(0.f, 1.f) < wo->chanceOfDeadTime)
{
wo->targetVelocityTimeRemaining = Q_flrand(wo->deadTimeMinMax[0], wo->deadTimeMinMax[1]);
VectorSet(wo->targetVelocity, 0.0f, 0.0f, 0.0f);
}
else
{
wo->targetVelocityTimeRemaining = Q_flrand(1000.f, 2500.f);
VectorSet(
wo->targetVelocity,
Q_flrand(wo->minVelocity[0], wo->maxVelocity[0]),
Q_flrand(wo->minVelocity[1], wo->maxVelocity[1]),
Q_flrand(wo->minVelocity[2], wo->maxVelocity[2]));
}
return;
}
wo->targetVelocityTimeRemaining--;
vec3_t deltaVelocity;
VectorSubtract(wo->targetVelocity, wo->currentVelocity, deltaVelocity);
float DeltaVelocityLen = VectorNormalize(deltaVelocity);
if (DeltaVelocityLen > 10.f)
{
DeltaVelocityLen = 10.f;
}
VectorScale(deltaVelocity, DeltaVelocityLen, deltaVelocity);
VectorAdd(wo->currentVelocity, deltaVelocity, wo->currentVelocity);
}
void GenerateRainModel( weatherObject_t& ws, const int maxParticleCount )
{
const int mapExtentZ = (int)(tr.world->bmodels[0].bounds[1][2] - tr.world->bmodels[0].bounds[0][2]);
const int PARTICLE_COUNT = (int)(maxParticleCount * mapExtentZ / CHUNK_EXTENDS);
std::vector<rainVertex_t> rainVertices(PARTICLE_COUNT * CHUNK_COUNT);
for ( int i = 0; i < rainVertices.size(); ++i )
{
rainVertex_t& vertex = rainVertices[i];
vertex.position[0] = Q_flrand(-HALF_CHUNK_EXTENDS, HALF_CHUNK_EXTENDS);
vertex.position[1] = Q_flrand(-HALF_CHUNK_EXTENDS, HALF_CHUNK_EXTENDS);
vertex.position[2] = Q_flrand(tr.world->bmodels[0].bounds[0][2], tr.world->bmodels[0].bounds[1][2]);
vertex.velocity[0] = 0.0f; //Q_flrand(0.0f, 0.0f);
vertex.velocity[1] = 0.0f; //Q_flrand(0.0f, 0.0f);
vertex.velocity[2] = 0.0f; //Q_flrand(-1.0f, 0.0f);
}
ws.lastVBO = R_CreateVBO(
nullptr,
sizeof(rainVertex_t) * rainVertices.size(),
VBO_USAGE_XFB);
ws.vbo = R_CreateVBO(
(byte *)rainVertices.data(),
sizeof(rainVertex_t) * rainVertices.size(),
VBO_USAGE_XFB);
ws.vboLastUpdateFrame = 0;
ws.attribsTemplate[0].index = ATTR_INDEX_POSITION;
ws.attribsTemplate[0].numComponents = 3;
ws.attribsTemplate[0].offset = offsetof(rainVertex_t, position);
ws.attribsTemplate[0].stride = sizeof(rainVertex_t);
ws.attribsTemplate[0].type = GL_FLOAT;
ws.attribsTemplate[0].vbo = nullptr;
ws.attribsTemplate[1].index = ATTR_INDEX_COLOR;
ws.attribsTemplate[1].numComponents = 3;
ws.attribsTemplate[1].offset = offsetof(rainVertex_t, velocity);
ws.attribsTemplate[1].stride = sizeof(rainVertex_t);
ws.attribsTemplate[1].type = GL_FLOAT;
ws.attribsTemplate[1].vbo = nullptr;
}
bool intersectPlane(const vec3_t n, const float dist, const vec3_t l0, const vec3_t l, float &t)
{
// assuming vectors are all normalized
float denom = DotProduct(n, l);
if (denom > 1e-6) {
t = -(DotProduct(l0, n) + dist) / denom;
return (t >= 0);
}
return false;
}
void GenerateDepthMap()
{
R_IssuePendingRenderCommands();
R_InitNextFrame();
RE_BeginFrame(STEREO_CENTER);
vec3_t mapSize;
vec3_t halfMapSize;
VectorSubtract(
tr.world->bmodels[0].bounds[0],
tr.world->bmodels[0].bounds[1],
mapSize);
VectorScale(mapSize, -0.5f, halfMapSize);
mapSize[2] = 0.0f;
const vec3_t forward = {0.0f, 0.0f, -1.0f};
const vec3_t left = {0.0f, 1.0f, 0.0f};
const vec3_t up = {-1.0f, 0.0f, 0.0f};
vec3_t viewOrigin;
VectorMA(tr.world->bmodels[0].bounds[1], 0.5f, mapSize, viewOrigin);
viewOrigin[2] = tr.world->bmodels[0].bounds[1][2];
orientationr_t orientation;
R_SetOrientationOriginAndAxis(orientation, viewOrigin, forward, left, up);
const vec3_t viewBounds[2] = {
{ 0.0f, -halfMapSize[1], -halfMapSize[0] },
{ halfMapSize[2] * 2.0f, halfMapSize[1], halfMapSize[0] }
};
R_SetupViewParmsForOrthoRendering(
tr.weatherDepthFbo->width,
tr.weatherDepthFbo->height,
tr.weatherDepthFbo,
VPF_DEPTHCLAMP | VPF_DEPTHSHADOW | VPF_ORTHOGRAPHIC | VPF_NOVIEWMODEL,
orientation,
viewBounds);
Matrix16Multiply(
tr.viewParms.projectionMatrix,
tr.viewParms.world.modelViewMatrix,
tr.weatherSystem->weatherMVP);
if (tr.weatherSystem->numWeatherBrushes > 0)
{
FBO_Bind(tr.weatherDepthFbo);
qglViewport(0, 0, tr.weatherDepthFbo->width, tr.weatherDepthFbo->height);
qglScissor(0, 0, tr.weatherDepthFbo->width, tr.weatherDepthFbo->height);
if (tr.weatherSystem->weatherBrushType == WEATHER_BRUSHES_OUTSIDE) // used outside brushes
{
qglClearDepth(0.0f);
GL_State(GLS_DEPTHMASK_TRUE | GLS_DEPTHFUNC_GREATER);
}
else // used inside brushes
{
qglClearDepth(1.0f);
GL_State(GLS_DEPTHMASK_TRUE);
}
qglClear(GL_DEPTH_BUFFER_BIT);
qglClearDepth(1.0f);
qglEnable(GL_DEPTH_CLAMP);
GL_Cull(CT_TWO_SIDED);
vec4_t color = { 0.0f, 0.0f, 0.0f, 1.0f };
backEnd.currentEntity = &tr.worldEntity;
vec3_t stepSize = {
abs(mapSize[0]) / tr.weatherDepthFbo->width,
abs(mapSize[1]) / tr.weatherDepthFbo->height,
0.0,
};
vec3_t up = {
stepSize[0] * 0.5f,
0.0f,
0.0f
};
vec3_t left = {
0.0f,
stepSize[1] * 0.5f,
0.0f
};
vec3_t traceVec = {
0.0f,
0.0f,
-1.0f
};
for (int i = 0; i < tr.weatherSystem->numWeatherBrushes; i++)
{
RE_BeginFrame(STEREO_CENTER);
weatherBrushes_t *currentWeatherBrush = &tr.weatherSystem->weatherBrushes[i];
// RBSP brushes actually store their bounding box in the first 6 planes! Nice
vec3_t mins = {
-currentWeatherBrush->planes[0][3],
-currentWeatherBrush->planes[2][3],
-currentWeatherBrush->planes[4][3],
};
vec3_t maxs = {
currentWeatherBrush->planes[1][3],
currentWeatherBrush->planes[3][3],
currentWeatherBrush->planes[5][3],
};
ivec2_t numSteps = {
int((maxs[0] - mins[0]) / stepSize[0]) + 2,
int((maxs[1] - mins[1]) / stepSize[1]) + 2
};
vec2_t rayOrigin = {
tr.world->bmodels[0].bounds[0][0] + (floorf((mins[0] - tr.world->bmodels[0].bounds[0][0]) / stepSize[0]) + 0.5f) * stepSize[0],
tr.world->bmodels[0].bounds[0][1] + (floorf((mins[1] - tr.world->bmodels[0].bounds[0][1]) / stepSize[1]) + 0.5f) * stepSize[1]
};
for (int y = 0; y < (int)numSteps[1]; y++)
{
for (int x = 0; x < (int)numSteps[0]; x++)
{
vec3_t rayPos = {
rayOrigin[0] + x * stepSize[0],
rayOrigin[1] + y * stepSize[1],
tr.world->bmodels[0].bounds[1][2]
};
// Find intersection point with the brush
float t = 0.0f;
for (int j = 0; j < currentWeatherBrush->numPlanes; j++)
{
vec3_t plane_normal;
float plane_dist;
if (tr.weatherSystem->weatherBrushType == WEATHER_BRUSHES_OUTSIDE)
{
plane_normal[0] = currentWeatherBrush->planes[j][0];
plane_normal[1] = currentWeatherBrush->planes[j][1];
plane_normal[2] = currentWeatherBrush->planes[j][2];
plane_dist = -currentWeatherBrush->planes[j][3];
}
else
{
plane_normal[0] = -currentWeatherBrush->planes[j][0];
plane_normal[1] = -currentWeatherBrush->planes[j][1];
plane_normal[2] = -currentWeatherBrush->planes[j][2];
plane_dist = currentWeatherBrush->planes[j][3];
}
float dist = 0.0f;
if (intersectPlane(plane_normal, plane_dist, rayPos, traceVec, dist))
t = MAX(t, dist);
}
bool hit = true;
rayPos[2] -= t;
// Now test if the intersected point is actually on the brush
for (int j = 0; j < currentWeatherBrush->numPlanes; j++)
{
vec4_t *plane = ¤tWeatherBrush->planes[j];
vec3_t normal = {
currentWeatherBrush->planes[j][0],
currentWeatherBrush->planes[j][1],
currentWeatherBrush->planes[j][2]
};
if (DotProduct(rayPos, normal) > currentWeatherBrush->planes[j][3] + 1e-3)
hit = false;
}
if (!hit)
continue;
// Just draw it when batch is full
if (tess.numVertexes + 4 >= SHADER_MAX_VERTEXES || tess.numIndexes + 6 >= SHADER_MAX_INDEXES)
{
RB_UpdateVBOs(ATTR_POSITION);
GLSL_VertexAttribsState(ATTR_POSITION, NULL);
GLSL_BindProgram(&tr.textureColorShader);
GLSL_SetUniformMatrix4x4(
&tr.textureColorShader,
UNIFORM_MODELVIEWPROJECTIONMATRIX,
tr.weatherSystem->weatherMVP);
R_DrawElementsVBO(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
RB_CommitInternalBufferData();
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
tess.multiDrawPrimitives = 0;
tess.externalIBO = nullptr;
}
RB_AddQuadStamp(rayPos, left, up, color);
}
}
R_NewFrameSync();
}
// draw remaining quads
RB_UpdateVBOs(ATTR_POSITION);
GLSL_VertexAttribsState(ATTR_POSITION, NULL);
GLSL_BindProgram(&tr.textureColorShader);
GLSL_SetUniformMatrix4x4(
&tr.textureColorShader,
UNIFORM_MODELVIEWPROJECTIONMATRIX,
tr.weatherSystem->weatherMVP);
R_DrawElementsVBO(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
RB_CommitInternalBufferData();
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
tess.multiDrawPrimitives = 0;
tess.externalIBO = nullptr;
qglDisable(GL_DEPTH_CLAMP);
}
RE_BeginFrame(STEREO_CENTER);
if (tr.weatherSystem->numWeatherBrushes > 0)
tr.viewParms.flags |= VPF_NOCLEAR;
tr.refdef.numDrawSurfs = 0;
tr.refdef.drawSurfs = backEndData->drawSurfs;
tr.refdef.num_entities = 0;
tr.refdef.entities = backEndData->entities;
tr.refdef.num_dlights = 0;
tr.refdef.dlights = backEndData->dlights;
tr.refdef.fistDrawSurf = 0;
tr.skyPortalEntities = 0;
tr.viewParms.targetFbo = tr.weatherDepthFbo;
tr.viewParms.currentViewParm = 0;
Com_Memcpy(&tr.cachedViewParms[0], &tr.viewParms, sizeof(viewParms_t));
tr.numCachedViewParms = 1;
RB_UpdateConstants(&tr.refdef);
R_GenerateDrawSurfs(&tr.viewParms, &tr.refdef);
R_SortAndSubmitDrawSurfs(tr.refdef.drawSurfs, tr.refdef.numDrawSurfs);
R_IssuePendingRenderCommands();
tr.refdef.numDrawSurfs = 0;
tr.numCachedViewParms = 0;
RE_EndScene();
R_NewFrameSync();
}
void RB_SimulateWeather(weatherObject_t *ws, vec2_t *zoneOffsets, int zoneIndex)
{
if (ws->vboLastUpdateFrame == backEndData->realFrameNumber ||
tr.weatherSystem->frozen)
{
// Already simulated for this frame
return;
}
// Intentionally switched. Previous frame's VBO would be in ws.vbo and
// this frame's VBO would be ws.lastVBO.
VBO_t *lastRainVBO = ws->vbo;
VBO_t *rainVBO = ws->lastVBO;
Allocator& frameAllocator = *backEndData->perFrameMemory;
DrawItem item = {};
item.renderState.transformFeedback = true;
item.transformFeedbackBuffer = {rainVBO->vertexesVBO, 0, rainVBO->vertexesSize};
item.program = &tr.weatherUpdateShader;
const size_t numAttribs = ARRAY_LEN(ws->attribsTemplate);
item.numAttributes = numAttribs;
item.attributes = ojkAllocArray<vertexAttribute_t>(
*backEndData->perFrameMemory, numAttribs);
memcpy(
item.attributes,
ws->attribsTemplate,
sizeof(*item.attributes) * numAttribs);
item.attributes[0].vbo = lastRainVBO;
item.attributes[1].vbo = lastRainVBO;
UniformDataWriter uniformDataWriter;
uniformDataWriter.Start(&tr.weatherUpdateShader);
const vec2_t mapZExtents = {
tr.world->bmodels[0].bounds[0][2],
tr.world->bmodels[0].bounds[1][2]
};
const float frictionInverse = 0.7f;
vec3_t envForce = {
tr.weatherSystem->windDirection[0] * frictionInverse,
tr.weatherSystem->windDirection[1] * frictionInverse,
-ws->gravity * frictionInverse
};
vec4_t randomOffset = {
Q_flrand(-4.0f, 4.0f),
Q_flrand(-4.0f, 4.0f),
Q_flrand(0.0f, 1.0f),
tr.world->bmodels[0].bounds[1][2] - backEnd.viewParms.ori.origin[2]
};
uniformDataWriter.SetUniformVec2(UNIFORM_MAPZEXTENTS, mapZExtents);
uniformDataWriter.SetUniformVec3(UNIFORM_ENVFORCE, envForce);
uniformDataWriter.SetUniformVec4(UNIFORM_RANDOMOFFSET, randomOffset);
uniformDataWriter.SetUniformVec2(UNIFORM_ZONEOFFSET, (float*)zoneOffsets, 9);
uniformDataWriter.SetUniformInt(UNIFORM_CHUNK_PARTICLES, ws->particleCount);
item.uniformData = uniformDataWriter.Finish(*backEndData->perFrameMemory);
const GLuint currentFrameUbo = backEndData->currentFrame->ubo;
const UniformBlockBinding uniformBlockBindings[] = {
{ currentFrameUbo, tr.sceneUboOffset, UNIFORM_BLOCK_SCENE }
};
DrawItemSetUniformBlockBindings(
item, uniformBlockBindings, frameAllocator);
item.draw.type = DRAW_COMMAND_ARRAYS;
item.draw.numInstances = 1;
item.draw.primitiveType = GL_POINTS;
item.draw.params.arrays.numVertices = ws->particleCount * CHUNK_COUNT;
// This is a bit dodgy. Push this towards the front of the queue so we
// guarantee this happens before the actual drawing
const uint32_t key = RB_CreateSortKey(item, 0, SS_ENVIRONMENT);
RB_AddDrawItem(backEndData->currentPass, key, item);
ws->vboLastUpdateFrame = backEndData->realFrameNumber;
std::swap(ws->lastVBO, ws->vbo);
}
}
void R_InitWeatherForMap()
{
for (int i = 0; i < NUM_WEATHER_TYPES; i++)
if (tr.weatherSystem->weatherSlots[i].active)
GenerateRainModel(tr.weatherSystem->weatherSlots[i], maxWeatherTypeParticles[i]);
GenerateDepthMap();
}
void R_InitWeatherSystem()
{
Com_Printf("Initializing weather system\n");
tr.weatherSystem =
(weatherSystem_t *)Z_Malloc(sizeof(*tr.weatherSystem), TAG_R_TERRAIN, qtrue);
tr.weatherSystem->weatherSurface.surfaceType = SF_WEATHER;
tr.weatherSystem->frozen = false;
tr.weatherSystem->activeWeatherTypes = 0;
tr.weatherSystem->constWindDirection[0] = .0f;
tr.weatherSystem->constWindDirection[1] = .0f;
for (int i = 0; i < NUM_WEATHER_TYPES; i++)
tr.weatherSystem->weatherSlots[i].active = false;
}
void R_ShutdownWeatherSystem()
{
if (tr.weatherSystem != nullptr)
{
Com_Printf("Shutting down weather system\n");
Z_Free(tr.weatherSystem);
tr.weatherSystem = nullptr;
}
else
{
ri.Printf(PRINT_DEVELOPER,
"Weather system shutdown requested, but it is already shut down.\n");
}
}
/*
===============
WE_ParseVector
===============
*/
qboolean WE_ParseVector(const char **text, int count, float *v) {
char *token;
int i;
// FIXME: spaces are currently required after parens, should change parseext...
token = COM_ParseExt(text, qfalse);
if (strcmp(token, "(")) {
ri.Printf(PRINT_WARNING, "WARNING: missing parenthesis in weather effect\n");
return qfalse;
}
for (i = 0; i < count; i++) {
token = COM_ParseExt(text, qfalse);
if (!token[0]) {
ri.Printf(PRINT_WARNING, "WARNING: missing vector element in weather effect\n");
return qfalse;
}
v[i] = atof(token);
}
token = COM_ParseExt(text, qfalse);
if (strcmp(token, ")")) {
ri.Printf(PRINT_WARNING, "WARNING: missing parenthesis in weather effect\n");
return qfalse;
}
return qtrue;
}
void R_AddWeatherBrush(uint8_t numPlanes, vec4_t *planes)
{
if (tr.weatherSystem->numWeatherBrushes >= (MAX_WEATHER_ZONES * 2))
{
ri.Printf(PRINT_WARNING, "Max weather brushes hit. Skipping new inside/outside brush\n");
return;
}
tr.weatherSystem->weatherBrushes[tr.weatherSystem->numWeatherBrushes].numPlanes = numPlanes;
memcpy(tr.weatherSystem->weatherBrushes[tr.weatherSystem->numWeatherBrushes].planes, planes, numPlanes * sizeof(vec4_t));
tr.weatherSystem->numWeatherBrushes++;
}
void RE_WorldEffectCommand(const char *command)
{
if (!command)
{
return;
}
COM_BeginParseSession("RE_WorldEffectCommand");
const char *token;//, *origCommand;
token = COM_ParseExt(&command, qfalse);
if (!token)
{
return;
}
//Die - clean up the whole weather system -rww
if (Q_stricmp(token, "die") == 0)
{
for (int i = 0; i < NUM_WEATHER_TYPES; i++)
tr.weatherSystem->weatherSlots[i].active = false;
tr.weatherSystem->activeWeatherTypes = 0;
tr.weatherSystem->frozen = false;
return;
}
// Clear - Removes All Particle Clouds And Wind Zones
//----------------------------------------------------
else if (Q_stricmp(token, "clear") == 0)
{
for (int i = 0; i < NUM_WEATHER_TYPES; i++)
tr.weatherSystem->weatherSlots[i].active = false;
tr.weatherSystem->activeWeatherTypes = 0;
tr.weatherSystem->activeWindObjects = 0;
tr.weatherSystem->frozen = false;
}
// Freeze / UnFreeze - Stops All Particle Motion Updates
//--------------------------------------------------------
else if (Q_stricmp(token, "freeze") == 0)
{
tr.weatherSystem->frozen = !tr.weatherSystem->frozen;
}
//// Add a zone
////---------------
else if (Q_stricmp(token, "zone") == 0)
{
ri.Printf(PRINT_DEVELOPER, "Weather zones aren't used in rend2, but inside/outside brushes\n");
}
// Basic Wind
//------------
else if (Q_stricmp(token, "wind") == 0)
{
windObject_t *currentWindObject = &tr.weatherSystem->windSlots[tr.weatherSystem->activeWindObjects];
currentWindObject->chanceOfDeadTime = 0.3f;
currentWindObject->deadTimeMinMax[0] = 1000.0f;
currentWindObject->deadTimeMinMax[1] = 3000.0f;
currentWindObject->maxVelocity[0] = 1.5f;
currentWindObject->maxVelocity[1] = 1.5f;
currentWindObject->maxVelocity[2] = 0.01f;
currentWindObject->minVelocity[0] = -1.5f;
currentWindObject->minVelocity[1] = -1.5f;
currentWindObject->minVelocity[2] = -0.01f;
currentWindObject->targetVelocityTimeRemaining = 0;
tr.weatherSystem->activeWindObjects++;
}
// Constant Wind
//---------------
else if (Q_stricmp(token, "constantwind") == 0)
{
vec3_t parsedWind;
vec3_t defaultWind = { 0.f, 0.8f, 0.f };
if (!WE_ParseVector(&command, 3, parsedWind))
VectorAdd(
tr.weatherSystem->constWindDirection,
defaultWind,
tr.weatherSystem->constWindDirection);
else
VectorMA(
tr.weatherSystem->constWindDirection,
0.001f,
parsedWind,
tr.weatherSystem->constWindDirection);
}
// Gusting Wind
//--------------
else if (Q_stricmp(token, "gustingwind") == 0)
{
windObject_t *currentWindObject = &tr.weatherSystem->windSlots[tr.weatherSystem->activeWindObjects];
currentWindObject->chanceOfDeadTime = 0.3f;
currentWindObject->deadTimeMinMax[0] = 2000.0f;
currentWindObject->deadTimeMinMax[1] = 4000.0f;
currentWindObject->maxVelocity[0] = 3.0f;
currentWindObject->maxVelocity[1] = 3.0f;
currentWindObject->maxVelocity[2] = 0.1f;
currentWindObject->minVelocity[0] = -3.0f;
currentWindObject->minVelocity[1] = -3.0f;
currentWindObject->minVelocity[2] = -0.1f;
currentWindObject->targetVelocityTimeRemaining = 0;
tr.weatherSystem->activeWindObjects++;
}
// Create A Rain Storm
//---------------------
else if (Q_stricmp(token, "lightrain") == 0)
{
/*nCloud.Initialize(500, "gfx/world/rain.jpg", 3);
nCloud.mHeight = 80.0f;
nCloud.mWidth = 1.2f;
nCloud.mGravity = 2000.0f;
nCloud.mFilterMode = 1;
nCloud.mBlendMode = 1;
nCloud.mFade = 100.0f;
nCloud.mColor = 0.5f;
nCloud.mOrientWithVelocity = true;
nCloud.mWaterParticles = true;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_RAIN].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].particleCount = 1000;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].active = true;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].gravity = 2.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].fadeDistance = 6000.f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[0] = 1.5f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[1] = 14.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].velocityOrientationScale = 1.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].drawImage = R_FindImageFile("gfx/world/rain.jpg", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_RAIN].color, 0.5f, 0.5f, 0.5f, 0.5f);
VectorScale(
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color,
0.5f,
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color);
}
// Create A Rain Storm
//---------------------
else if (Q_stricmp(token, "rain") == 0)
{
/*nCloud.Initialize(1000, "gfx/world/rain.jpg", 3);
nCloud.mHeight = 80.0f;
nCloud.mWidth = 1.2f;
nCloud.mGravity = 2000.0f;
nCloud.mFilterMode = 1;
nCloud.mBlendMode = 1;
nCloud.mFade = 100.0f;
nCloud.mColor = 0.5f;
nCloud.mOrientWithVelocity = true;
nCloud.mWaterParticles = true;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_RAIN].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].particleCount = 2000;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].active = true;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].gravity = 2.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].fadeDistance = 6000.f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[0] = 1.5f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[1] = 14.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].velocityOrientationScale = 1.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].drawImage = R_FindImageFile("gfx/world/rain.jpg", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_RAIN].color, 0.5f, 0.5f, 0.5f, 0.5f);
VectorScale(
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color,
0.5f,
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color);
}
// Create A Rain Storm
//---------------------
else if (Q_stricmp(token, "acidrain") == 0)
{
/*nCloud.Initialize(1000, "gfx/world/rain.jpg", 3);
nCloud.mHeight = 80.0f;
nCloud.mWidth = 2.0f;
nCloud.mGravity = 2000.0f;
nCloud.mFilterMode = 1;
nCloud.mBlendMode = 1;
nCloud.mFade = 100.0f;
nCloud.mColor[0] = 0.34f;
nCloud.mColor[1] = 0.70f;
nCloud.mColor[2] = 0.34f;
nCloud.mColor[3] = 0.70f;
nCloud.mOrientWithVelocity = true;
nCloud.mWaterParticles = true;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_RAIN].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].particleCount = 2000;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].active = true;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].gravity = 2.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].fadeDistance = 6000.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[0] = 2.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[1] = 14.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].velocityOrientationScale = 1.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].drawImage = R_FindImageFile("gfx/world/rain.jpg", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_RAIN].color, 0.34f, 0.7f, 0.34f, 0.7f);
VectorScale(
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color,
0.7f,
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color);
}
// Create A Rain Storm
//---------------------
else if (Q_stricmp(token, "heavyrain") == 0)
{
/*nCloud.Initialize(1000, "gfx/world/rain.jpg", 3);
nCloud.mHeight = 80.0f;
nCloud.mWidth = 1.2f;
nCloud.mGravity = 2800.0f;
nCloud.mFilterMode = 1;
nCloud.mBlendMode = 1;
nCloud.mFade = 15.0f;
nCloud.mColor = 0.5f;
nCloud.mOrientWithVelocity = true;
nCloud.mWaterParticles = true;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_RAIN].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].particleCount = 5000;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].active = true;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].gravity = 2.8f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].fadeDistance = 6000.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[0] = 1.5f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].size[1] = 14.0f;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].velocityOrientationScale = 1.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_RAIN].drawImage = R_FindImageFile("gfx/world/rain", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_RAIN].color, 0.5f, 0.5f, 0.5f, 0.5f);
VectorScale(
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color,
0.5f,
tr.weatherSystem->weatherSlots[WEATHER_RAIN].color);
}
// Create A Snow Storm
//---------------------
else if (Q_stricmp(token, "snow") == 0)
{
/*nCloud.Initialize(1000, "gfx/effects/snowflake1.bmp");
nCloud.mBlendMode = 1;
nCloud.mRotationChangeNext = 0;
nCloud.mColor = 0.75f;
nCloud.mWaterParticles = true;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_SNOW].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].particleCount = 1000;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].active = true;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].gravity = 0.3f;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].fadeDistance = 6000.0f;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].size[0] = 1.5f;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].size[1] = 1.5f;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].velocityOrientationScale = 0.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_SNOW].drawImage = R_FindImageFile("gfx/effects/snowflake1", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_SNOW].color, 0.75f, 0.75f, 0.75f, 0.75f);
VectorScale(
tr.weatherSystem->weatherSlots[WEATHER_SNOW].color,
0.75f,
tr.weatherSystem->weatherSlots[WEATHER_SNOW].color);
}
// Create A Some stuff
//---------------------
else if (Q_stricmp(token, "spacedust") == 0)
{
/*nCloud.Initialize(count, "gfx/effects/snowpuff1.tga");
nCloud.mHeight = 1.2f;
nCloud.mWidth = 1.2f;
nCloud.mGravity = 0.0f;
nCloud.mBlendMode = 1;
nCloud.mRotationChangeNext = 0;
nCloud.mColor = 0.75f;
nCloud.mWaterParticles = true;
nCloud.mMass.mMax = 30.0f;
nCloud.mMass.mMin = 10.0f;
nCloud.mSpawnRange.mMins[0] = -1500.0f;
nCloud.mSpawnRange.mMins[1] = -1500.0f;
nCloud.mSpawnRange.mMins[2] = -1500.0f;
nCloud.mSpawnRange.mMaxs[0] = 1500.0f;
nCloud.mSpawnRange.mMaxs[1] = 1500.0f;
nCloud.mSpawnRange.mMaxs[2] = 1500.0f;*/
int count;
token = COM_ParseExt(&command, qfalse);
count = atoi(token);
if (!tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].particleCount = count;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].active = true;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].gravity = 0.0f;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].fadeDistance = 3000.f;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].size[0] = 2.5f;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].size[1] = 2.5f;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].velocityOrientationScale = 0.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].drawImage = R_FindImageFile("gfx/effects/snowpuff1", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].color, 0.75f, 0.75f, 0.75f, 0.75f);
VectorScale(
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].color,
0.75f,
tr.weatherSystem->weatherSlots[WEATHER_SPACEDUST].color);
}
// Create A Sand Storm
//---------------------
else if (Q_stricmp(token, "sand") == 0)
{
/*nCloud.Initialize(400, "gfx/effects/alpha_smoke2b.tga");
nCloud.mGravity = 0;
nCloud.mWidth = 70;
nCloud.mHeight = 70;
nCloud.mColor[0] = 0.9f;
nCloud.mColor[1] = 0.6f;
nCloud.mColor[2] = 0.0f;
nCloud.mColor[3] = 0.5f;
nCloud.mFade = 5.0f;
nCloud.mMass.mMax = 30.0f;
nCloud.mMass.mMin = 10.0f;
nCloud.mSpawnRange.mMins[2] = -150;
nCloud.mSpawnRange.mMaxs[2] = 150;
nCloud.mRotationChangeNext = 0;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_SAND].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_SAND].particleCount = 400;
tr.weatherSystem->weatherSlots[WEATHER_SAND].active = true;
tr.weatherSystem->weatherSlots[WEATHER_SAND].gravity = 0.0f;
tr.weatherSystem->weatherSlots[WEATHER_SAND].fadeDistance = 2400.f;
tr.weatherSystem->weatherSlots[WEATHER_SAND].size[0] = 300.f;
tr.weatherSystem->weatherSlots[WEATHER_SAND].size[1] = 300.f;
tr.weatherSystem->weatherSlots[WEATHER_SAND].velocityOrientationScale = 0.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_SAND].drawImage = R_FindImageFile("gfx/effects/alpha_smoke2b", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_SAND].color, 0.9f, 0.6f, 0.0f, 0.5f);
}
// Create Blowing Clouds Of Fog
//------------------------------
else if (Q_stricmp(token, "fog") == 0)
{
/*nCloud.Initialize(60, "gfx/effects/alpha_smoke2b.tga");
nCloud.mBlendMode = 1;
nCloud.mGravity = 0;
nCloud.mWidth = 70;
nCloud.mHeight = 70;
nCloud.mColor = 0.2f;
nCloud.mFade = 5.0f;
nCloud.mMass.mMax = 30.0f;
nCloud.mMass.mMin = 10.0f;
nCloud.mSpawnRange.mMins[2] = -150;
nCloud.mSpawnRange.mMaxs[2] = 150;
nCloud.mRotationChangeNext = 0;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_FOG].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_FOG].particleCount = 60;
tr.weatherSystem->weatherSlots[WEATHER_FOG].active = true;
tr.weatherSystem->weatherSlots[WEATHER_FOG].gravity = 0.0f;
tr.weatherSystem->weatherSlots[WEATHER_FOG].fadeDistance = 2400.f;
tr.weatherSystem->weatherSlots[WEATHER_FOG].size[0] = 300.f;
tr.weatherSystem->weatherSlots[WEATHER_FOG].size[1] = 300.f;
tr.weatherSystem->weatherSlots[WEATHER_FOG].velocityOrientationScale = 0.0f;
imgType_t type = IMGTYPE_COLORALPHA;
int flags = IMGFLAG_CLAMPTOEDGE;
tr.weatherSystem->weatherSlots[WEATHER_FOG].drawImage = R_FindImageFile("gfx/effects/alpha_smoke2b", type, flags);
VectorSet4(tr.weatherSystem->weatherSlots[WEATHER_FOG].color, 0.2f, 0.2f, 0.2f, 0.2f);
VectorScale(tr.weatherSystem->weatherSlots[WEATHER_FOG].color, 0.2f, tr.weatherSystem->weatherSlots[WEATHER_FOG].color);
}
// Create Heavy Rain Particle Cloud
//-----------------------------------
else if (Q_stricmp(token, "heavyrainfog") == 0)
{
/*nCloud.Initialize(70, "gfx/effects/alpha_smoke2b.tga");
nCloud.mBlendMode = 1;
nCloud.mGravity = 0;
nCloud.mWidth = 100;
nCloud.mHeight = 100;
nCloud.mColor = 0.3f;
nCloud.mFade = 1.0f;
nCloud.mMass.mMax = 10.0f;
nCloud.mMass.mMin = 5.0f;
nCloud.mSpawnRange.mMins = -(nCloud.mSpawnPlaneDistance*1.25f);
nCloud.mSpawnRange.mMaxs = (nCloud.mSpawnPlaneDistance*1.25f);
nCloud.mSpawnRange.mMins[2] = -150;
nCloud.mSpawnRange.mMaxs[2] = 150;
nCloud.mRotationChangeNext = 0;*/
if (!tr.weatherSystem->weatherSlots[WEATHER_FOG].active)
tr.weatherSystem->activeWeatherTypes++;
tr.weatherSystem->weatherSlots[WEATHER_FOG].particleCount = 70;
tr.weatherSystem->weatherSlots[WEATHER_FOG].active = true;
tr.weatherSystem->weatherSlots[WEATHER_FOG].gravity = 0.0f;
tr.weatherSystem->weatherSlots[WEATHER_FOG].fadeDistance = 2400.f;