/
Scene.cpp
1575 lines (1183 loc) · 39.9 KB
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Scene.cpp
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/*
* Copyright 2011-2012 Arx Libertatis Team (see the AUTHORS file)
*
* This file is part of Arx Libertatis.
*
* Arx Libertatis is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Arx Libertatis 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 Arx Libertatis. If not, see <http://www.gnu.org/licenses/>.
*/
/* Based on:
===========================================================================
ARX FATALIS GPL Source Code
Copyright (C) 1999-2010 Arkane Studios SA, a ZeniMax Media company.
This file is part of the Arx Fatalis GPL Source Code ('Arx Fatalis Source Code').
Arx Fatalis Source Code is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Arx Fatalis Source Code 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 Arx Fatalis Source Code. If not, see
<http://www.gnu.org/licenses/>.
In addition, the Arx Fatalis Source Code is also subject to certain additional terms. You should have received a copy of these
additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Arx
Fatalis Source Code. If not, please request a copy in writing from Arkane Studios at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing Arkane Studios, c/o
ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
// Code: Cyril Meynier
//
// Copyright (c) 1999-2000 ARKANE Studios SA. All rights reserved
#include "scene/Scene.h"
#include <cstdio>
#include "ai/Paths.h"
#include "animation/AnimationRender.h"
#include "core/Application.h"
#include "core/GameTime.h"
#include "core/Core.h"
#include "game/EntityManager.h"
#include "game/Inventory.h"
#include "game/Player.h"
#include "game/Spells.h"
#include "game/spell/FlyingEye.h"
#include "gui/Interface.h"
#include "gui/Cursor.h"
#include "graphics/Draw.h"
#include "graphics/DrawLine.h"
#include "graphics/GraphicsModes.h"
#include "graphics/Math.h"
#include "graphics/VertexBuffer.h"
#include "graphics/data/TextureContainer.h"
#include "graphics/effects/DrawEffects.h"
#include "graphics/effects/Halo.h"
#include "graphics/particle/ParticleEffects.h"
#include "graphics/texture/TextureStage.h"
#include "input/Input.h"
#include "io/log/Logger.h"
#include "scene/Light.h"
#include "scene/Interactive.h"
#include "physics/Projectile.h"
#include "platform/profiler/Profiler.h"
extern TextureContainer *enviro;
extern Color ulBKGColor;
extern bool EXTERNALVIEW; // *sigh*
EERIE_PORTAL_DATA * portals = NULL;
static float WATEREFFECT = 0.f;
CircularVertexBuffer<SMY_VERTEX3> * pDynamicVertexBuffer;
namespace {
struct DynamicVertexBuffer {
private:
SMY_VERTEX3 * vertices;
size_t start;
public:
size_t nbindices;
unsigned short * indices;
size_t offset;
DynamicVertexBuffer()
: vertices(NULL)
, start(0)
, nbindices(0)
, indices(NULL)
, offset(0)
{}
void lock() {
arx_assert(!vertices);
if(!indices) {
indices = new unsigned short[4 * pDynamicVertexBuffer->vb->capacity()];
start = 0;
}
BufferFlags flags = (pDynamicVertexBuffer->pos == 0) ? DiscardBuffer : NoOverwrite | DiscardRange;
vertices = pDynamicVertexBuffer->vb->lock(flags, pDynamicVertexBuffer->pos);
offset = 0;
}
SMY_VERTEX3 * append(size_t nbvertices) {
arx_assert(vertices);
if(pDynamicVertexBuffer->pos + nbvertices > pDynamicVertexBuffer->vb->capacity()) {
return NULL;
}
SMY_VERTEX3 * pos = vertices + offset;
pDynamicVertexBuffer->pos += nbvertices, offset += nbvertices;
return pos;
}
void unlock() {
arx_assert(vertices);
pDynamicVertexBuffer->vb->unlock(), vertices = NULL;
}
void draw(Renderer::Primitive primitive) {
arx_assert(!vertices);
pDynamicVertexBuffer->vb->drawIndexed(primitive, pDynamicVertexBuffer->pos - start, start, indices, nbindices);
}
void done() {
arx_assert(!vertices);
start = pDynamicVertexBuffer->pos;
nbindices = 0;
}
void reset() {
arx_assert(!vertices);
start = pDynamicVertexBuffer->pos = 0;
nbindices = 0;
}
~DynamicVertexBuffer() {
delete[] indices;
}
} dynamicVertices;
}
EERIE_FRUSTRUM_PLANE efpPlaneNear;
static std::vector<EERIEPOLY*> vPolyWater;
static std::vector<EERIEPOLY*> vPolyLava;
std::vector<PORTAL_ROOM_DRAW> RoomDraw;
std::vector<long> RoomDrawList;
//*************************************************************************************
//*************************************************************************************
Vec2f getWaterFxUvOffset(const Vec3f & odtv, float power)
{
power = power * 0.05f;
return Vec2f(std::sin(WATEREFFECT + odtv.x) * power,
std::cos(WATEREFFECT + odtv.z) * power);
}
static void ApplyLavaGlowToVertex(Vec3f * odtv,TexturedVertex * dtv, float power) {
float f;
long lr, lg, lb;
power = 1.f - std::sin(WATEREFFECT + odtv->x + odtv->z) * 0.05f * power;
Color inColor = Color::fromRGBA(dtv->color);
f = inColor.r * power;
lr = clipByte(f);
f = inColor.g * power;
lg = clipByte(f);
f = inColor.b * power;
lb = clipByte(f);
dtv->color = Color(lr, lg, lb, 255).toRGBA();
}
static void ManageWater_VertexBuffer(EERIEPOLY * ep, const long to,
const unsigned long tim, SMY_VERTEX * _pVertex) {
for(long k = 0; k < to; k++) {
ep->tv[k].uv = ep->v[k].uv;
ep->tv[k].uv += getWaterFxUvOffset(ep->v[k].p, 0.35f);
if(ep->type & POLY_FALL) {
ep->tv[k].uv.y -= (float)(tim) * (1.f/1000);
}
_pVertex[ep->uslInd[k]].uv = ep->tv[k].uv;
}
}
static void ManageLava_VertexBuffer(EERIEPOLY * ep, const long to,
const unsigned long tim, SMY_VERTEX * _pVertex) {
for(long k = 0; k < to; k++) {
ep->tv[k].uv = ep->v[k].uv;
ep->tv[k].uv += getWaterFxUvOffset(ep->v[k].p, 0.35f); //0.25f
ApplyLavaGlowToVertex(&ep->v[k].p, &ep->tv[k], 0.6f);
if(ep->type & POLY_FALL) {
ep->tv[k].uv.y -= (float)(tim) * (1.f/12000);
}
_pVertex[ep->uslInd[k]].uv = ep->tv[k].uv;
}
}
static void EERIERTPPoly2(EERIEPOLY & ep) {
EE_RTP(ep.v[0].p, &ep.tv[0]);
EE_RTP(ep.v[1].p, &ep.tv[1]);
EE_RTP(ep.v[2].p, &ep.tv[2]);
if(ep.type & POLY_QUAD)
EE_RTP(ep.v[3].p, &ep.tv[3]);
else
ep.tv[3].p.z=1.f;
}
bool IsSphereInFrustrum(const Vec3f & point, const EERIE_FRUSTRUM & frustrum, float radius = 0.f);
static bool FrustrumsClipSphere(const EERIE_FRUSTRUM_DATA & frustrums,
const Sphere & sphere) {
float dists = efpPlaneNear.getDist(sphere.origin);
if(dists + sphere.radius > 0) {
for(long i = 0; i < frustrums.nb_frustrums; i++) {
if(IsSphereInFrustrum(sphere.origin, frustrums.frustrums[i], sphere.radius))
return false;
}
}
return true;
}
bool VisibleSphere(const Vec3f & pos, float radius) {
if(fartherThan(pos, ACTIVECAM->orgTrans.pos, ACTIVECAM->cdepth*0.5f + radius))
return false;
long room_num = ARX_PORTALS_GetRoomNumForPosition(pos);
if (room_num>=0)
{
Sphere sphere;
sphere.origin = pos;
sphere.radius = radius;
EERIE_FRUSTRUM_DATA & frustrums = RoomDraw[room_num].frustrum;
if (FrustrumsClipSphere(frustrums, sphere))
return false;
}
return true;
}
static bool IsBBoxInFrustrum(const EERIE_3D_BBOX & bbox, const EERIE_FRUSTRUM & frustrum) {
Vec3f point = bbox.min;
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
point = Vec3f(bbox.max.x, bbox.min.y, bbox.min.z);
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
point = Vec3f(bbox.max.x, bbox.max.y, bbox.min.z);
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
point = Vec3f(bbox.min.x, bbox.max.y, bbox.min.z);
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
point = Vec3f(bbox.min.x, bbox.min.y, bbox.max.z);
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
point = Vec3f(bbox.max.x, bbox.min.y, bbox.max.z);
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
point = bbox.max;
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
point = Vec3f(bbox.min.x, bbox.max.y, bbox.max.z);
if(IsSphereInFrustrum(point, frustrum)) {
return true;
}
return false;
}
static bool FrustrumsClipBBox3D(const EERIE_FRUSTRUM_DATA & frustrums,
const EERIE_3D_BBOX & bbox) {
for(long i = 0; i < frustrums.nb_frustrums; i++)
{
if(IsBBoxInFrustrum(bbox, frustrums.frustrums[i]))
return false;
}
return false;
}
// USAGE/FUNCTION
// io can be NULL if io is valid io->bbox3D contains 3D world-bbox
// bboxmin & bboxmax ARE in fact 2D-screen BBOXes using only (x,y).
// RETURN:
// return true if IO cannot be seen, false if visible
// TODO:
// Implement all Portal Methods
// Return a reduced clipbox which can be used for polys clipping in the case of partial visibility
bool ARX_SCENE_PORTAL_ClipIO(Entity * io, const Vec3f & position) {
if(io==entities.player())
return false;
if(io && (io->ioflags & IO_FORCEDRAW))
return false;
if(portals) {
Vec3f posi;
posi.x=position.x;
posi.y=position.y-60; //20
posi.z=position.z;
long room_num;
if(io) {
if(io->requestRoomUpdate)
UpdateIORoom(io);
room_num = io->room;//
} else {
room_num = ARX_PORTALS_GetRoomNumForPosition(posi);
}
if(room_num == -1) {
posi.y = position.y - 120;
room_num = ARX_PORTALS_GetRoomNumForPosition(posi);
}
if(room_num >= 0 && size_t(room_num) < RoomDraw.size()) {
if(RoomDraw[room_num].count == 0) {
if(io) {
io->bbox2D.min = Vec2f(-1.f, -1.f);
io->bbox2D.max = Vec2f(-1.f, -1.f);
}
return true;
}
if(io) {
Sphere sphere;
sphere.origin = (io->bbox3D.min + io->bbox3D.max) * .5f;
sphere.radius = glm::distance(sphere.origin, io->bbox3D.min) + 10.f;
EERIE_FRUSTRUM_DATA & frustrums = RoomDraw[room_num].frustrum;
if(FrustrumsClipSphere(frustrums, sphere) ||
FrustrumsClipBBox3D(frustrums, io->bbox3D)
) {
io->bbox2D.min = Vec2f(-1.f, -1.f);
io->bbox2D.max = Vec2f(-1.f, -1.f);
return true;
}
}
}
}
return false;
}
static long ARX_PORTALS_GetRoomNumForPosition2(const Vec3f & pos, long flag,
float * height) {
EERIEPOLY * ep;
if(flag & 1) {
ep=CheckInPoly(pos + Vec3f(0.f, -150.f, 0.f));
if (!ep)
ep=CheckInPoly(pos + Vec3f(0.f, -1.f, 0.f));
} else {
ep=CheckInPoly(pos);
}
if(ep && ep->room>-1) {
if(height)
*height=ep->center.y;
return ep->room;
}
// Security... ?
ep = GetMinPoly(pos);
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
} else if( !(flag & 1) ) {
ep=CheckInPoly(pos);
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
}
if(flag & 2) {
float off=20.f;
ep=CheckInPoly(pos + Vec3f(-off, -off, 0.f));
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
ep=CheckInPoly(pos + Vec3f(-off, -20, -off));
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
ep=CheckInPoly(pos + Vec3f(-off, -20, off));
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
ep=CheckInPoly(pos + Vec3f(off, -20, 0.f));
if(ep && ep->room>-1) {
if(height)
*height=ep->center.y;
return ep->room;
}
ep=CheckInPoly(pos + Vec3f(off, -20, off));
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
ep=CheckInPoly(pos + Vec3f(off, -20, -off));
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
}
return -1;
}
static long ARX_PORTALS_GetRoomNumForCamera(float * height) {
EERIEPOLY * ep;
ep = CheckInPoly(ACTIVECAM->orgTrans.pos);
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
ep = GetMinPoly(ACTIVECAM->orgTrans.pos);
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
float dist=0.f;
while(dist<=20.f) {
float vvv = glm::radians(ACTIVECAM->angle.getPitch());
ep=CheckInPoly(ACTIVECAM->orgTrans.pos + Vec3f(std::sin(vvv) * dist, 0.f, -std::cos(vvv) * dist));
if(ep && ep->room > -1) {
if(height)
*height=ep->center.y;
return ep->room;
}
dist += 5.f;
}
return -1;
}
// flag==1 for player
long ARX_PORTALS_GetRoomNumForPosition(const Vec3f & pos,long flag) {
ARX_PROFILE_FUNC();
long num;
float height;
if(flag & 1)
num=ARX_PORTALS_GetRoomNumForCamera(&height);
else
num=ARX_PORTALS_GetRoomNumForPosition2(pos,flag,&height);
if(num > -1) {
long nearest = -1;
float nearest_dist = 99999.f;
for(size_t n = 0; n < portals->rooms.size(); n++) {
for(long lll = 0; lll < portals->rooms[n].nb_portals; lll++) {
EERIE_PORTALS *po = &portals->portals[portals->rooms[n].portals[lll]];
EERIEPOLY *epp = &po->poly;
if(PointIn2DPolyXZ(epp, pos.x, pos.z)) {
float yy;
if(GetTruePolyY(epp, pos, &yy)) {
if(height > yy) {
if(yy >= pos.y && yy-pos.y < nearest_dist) {
if(epp->norm.y>0)
nearest = po->room_2;
else
nearest = po->room_1;
nearest_dist = yy - pos.y;
}
}
}
}
}
}
if(nearest>-1)
num = nearest;
}
return num;
}
static void ARX_PORTALS_Frustrum_ClearIndexCount(long room_num) {
EERIE_ROOM_DATA & room = portals->rooms[room_num];
std::vector<TextureContainer *>::const_iterator itr;
for(itr = room.ppTextureContainer.begin(); itr != room.ppTextureContainer.end(); ++itr) {
TextureContainer * pTexCurr = *itr;
GRenderer->SetTexture(0, pTexCurr);
SMY_ARXMAT & roomMat = pTexCurr->tMatRoom[room_num];
roomMat.count[SMY_ARXMAT::Opaque] = 0;
roomMat.count[SMY_ARXMAT::Blended] = 0;
roomMat.count[SMY_ARXMAT::Multiplicative] = 0;
roomMat.count[SMY_ARXMAT::Additive] = 0;
roomMat.count[SMY_ARXMAT::Subtractive] = 0;
}
}
static void ARX_PORTALS_InitDrawnRooms() {
arx_assert(portals);
for(size_t i = 0; i < portals->portals.size(); i++) {
EERIE_PORTALS *ep = &portals->portals[i];
ep->useportal = 0;
}
for(size_t i = 0; i < portals->rooms.size(); i++) {
ARX_PORTALS_Frustrum_ClearIndexCount(i);
}
RoomDraw.resize(portals->rooms.size());
for(size_t i = 0; i < RoomDraw.size(); i++) {
RoomDraw[i].count=0;
RoomDraw[i].flags=0;
RoomDraw[i].frustrum.nb_frustrums=0;
}
RoomDrawList.clear();
vPolyWater.clear();
vPolyLava.clear();
if(pDynamicVertexBuffer) {
pDynamicVertexBuffer->vb->setData(NULL, 0, 0, DiscardBuffer);
dynamicVertices.reset();
}
}
bool IsSphereInFrustrum(const Vec3f & point, const EERIE_FRUSTRUM & frustrum, float radius)
{
float dists[4];
dists[0]=frustrum.plane[0].getDist(point);
dists[1]=frustrum.plane[1].getDist(point);
dists[2]=frustrum.plane[2].getDist(point);
dists[3]=frustrum.plane[3].getDist(point);
if ( (dists[0]+radius>0)
&& (dists[1]+radius>0)
&& (dists[2]+radius>0)
&& (dists[3]+radius>0) )
return true;
return false;
}
static bool FrustrumsClipPoly(const EERIE_FRUSTRUM_DATA & frustrums,
const EERIEPOLY & ep) {
for(long i=0; i<frustrums.nb_frustrums; i++) {
if(IsSphereInFrustrum(ep.center, frustrums.frustrums[i], ep.v[0].rhw))
return false;
}
return true;
}
static void Frustrum_Set(EERIE_FRUSTRUM * fr, long plane,
float a, float b, float c, float d) {
fr->plane[plane].a=a;
fr->plane[plane].b=b;
fr->plane[plane].c=c;
fr->plane[plane].d=d;
}
static void CreatePlane(EERIE_FRUSTRUM & frustrum, long numplane, const Vec3f & orgn,
const Vec3f & pt1, const Vec3f & pt2) {
EERIE_FRUSTRUM_PLANE & plane = frustrum.plane[numplane];
Vec3f A = pt1 - orgn;
Vec3f B = pt2 - orgn;
plane.a = A.y * B.z - A.z * B.y;
plane.b = A.z * B.x - A.x * B.z;
plane.c = A.x * B.y - A.y * B.x;
float epnlen = (float)sqrt(plane.a * plane.a + plane.b * plane.b + plane.c * plane.c);
epnlen = 1.f / epnlen;
plane.a *= epnlen;
plane.b *= epnlen;
plane.c *= epnlen;
plane.d = -(orgn.x * plane.a + orgn.y * plane.b + orgn.z * plane.c);
}
static void CreateFrustrum(EERIE_FRUSTRUM & frustrum, const Vec3f & pos,
const EERIEPOLY & ep, bool cull) {
if(cull) {
CreatePlane(frustrum, 0, pos, ep.v[0].p, ep.v[1].p);
CreatePlane(frustrum, 1, pos, ep.v[3].p, ep.v[2].p);
CreatePlane(frustrum, 2, pos, ep.v[1].p, ep.v[3].p);
CreatePlane(frustrum, 3, pos, ep.v[2].p, ep.v[0].p);
} else {
CreatePlane(frustrum, 0, pos, ep.v[1].p, ep.v[0].p);
CreatePlane(frustrum, 1, pos, ep.v[2].p, ep.v[3].p);
CreatePlane(frustrum, 2, pos, ep.v[3].p, ep.v[1].p);
CreatePlane(frustrum, 3, pos, ep.v[0].p, ep.v[2].p);
}
}
static void CreateScreenFrustrum(EERIE_FRUSTRUM * frustrum) {
glm::mat4x4 matProj;
GRenderer->GetProjectionMatrix(matProj);
glm::mat4x4 matView;
GRenderer->GetViewMatrix(matView);
glm::mat4x4 matres = matProj * matView;
float a,b,c,d,n;
a=matres[0][3]-matres[0][0];
b=matres[1][3]-matres[1][0];
c=matres[2][3]-matres[2][0];
d=matres[3][3]-matres[3][0];
b=-b;
n = (float)(1.f /sqrt(a*a+b*b+c*c));
Frustrum_Set(frustrum,0,a*n,b*n,c*n,d*n);
a=matres[0][3]+matres[0][0];
b=matres[1][3]+matres[1][0];
c=matres[2][3]+matres[2][0];
d=matres[3][3]+matres[3][0];
b=-b;
n = (float)(1.f/sqrt(a*a+b*b+c*c));
Frustrum_Set(frustrum,1,a*n,b*n,c*n,d*n);
a=matres[0][3]-matres[0][1];
b=matres[1][3]-matres[1][1];
c=matres[2][3]-matres[2][1];
d=matres[3][3]-matres[3][1];
b=-b;
n = (float)(1.f/sqrt(a*a+b*b+c*c));
Frustrum_Set(frustrum,2,a*n,b*n,c*n,d*n);
a=matres[0][3]+matres[0][1];
b=matres[1][3]+matres[1][1];
c=matres[2][3]+matres[2][1];
d=matres[3][3]+matres[3][1];
b=-b;
n = (float)(1.f/sqrt(a*a+b*b+c*c));
Frustrum_Set(frustrum,3,a*n,b*n,c*n,d*n);
a=matres[0][3]+matres[0][2];
b=matres[1][3]+matres[1][2];
c=matres[2][3]+matres[2][2];
d=matres[3][3]+matres[3][2];
b=-b;
n = (float)(1.f/sqrt(a*a+b*b+c*c));
efpPlaneNear.a=a*n;
efpPlaneNear.b=b*n;
efpPlaneNear.c=c*n;
efpPlaneNear.d=d*n;
}
void RoomDrawRelease() {
RoomDrawList.resize(0);
RoomDraw.resize(0);
}
static void RoomFrustrumAdd(size_t num, const EERIE_FRUSTRUM & fr) {
if(RoomDraw[num].frustrum.nb_frustrums < MAX_FRUSTRUMS - 1) {
RoomDraw[num].frustrum.frustrums[RoomDraw[num].frustrum.nb_frustrums] = fr;
RoomDraw[num].frustrum.nb_frustrums++;
}
}
static void RenderWaterBatch() {
if(!dynamicVertices.nbindices) {
return;
}
GRenderer->GetTextureStage(1)->setColorOp(TextureStage::OpModulate4X, TextureStage::ArgTexture, TextureStage::ArgCurrent);
GRenderer->GetTextureStage(1)->disableAlpha();
GRenderer->GetTextureStage(2)->setColorOp(TextureStage::OpModulate, TextureStage::ArgTexture, TextureStage::ArgCurrent);
GRenderer->GetTextureStage(2)->disableAlpha();
dynamicVertices.draw(Renderer::TriangleList);
GRenderer->GetTextureStage(1)->disableColor();
GRenderer->GetTextureStage(2)->disableColor();
}
static float FluidTextureDisplacement(bool calcSin, const TexturedVertex& v, float time,
float divVar1, float divVar2, float divVar3,
float divVar4, float addVar1 = 0,
float addVar2 = 0, float sign = 1) {
if(calcSin) {
return (v.p.x + addVar1)*(1.f/divVar1) + sign * (glm::sin((v.p.x + addVar2)*(1.f/divVar2) + time * (1.f/divVar3))) * (1.f/divVar4);
}
return (v.p.z + addVar1)*(1.f/divVar1) + sign * (glm::cos((v.p.z + addVar2)*(1.f/divVar2) + time * (1.f/divVar3))) * (1.f/divVar4);
}
static void CalculateWaterDisplacement(float & fTu, float & fTv, EERIEPOLY * ep,
float time, int vertIndex, int step) {
switch(step) {
case(0):fTu = FluidTextureDisplacement(true, ep->v[vertIndex], time, 1000, 200, 1000, 32);
fTv = FluidTextureDisplacement(false, ep->v[vertIndex], time, 1000, 200, 1000, 32);
break;
case(1):fTu = FluidTextureDisplacement(true, ep->v[vertIndex], time, 1000, 200, 1000, 28, 30.f, 30);
fTv = FluidTextureDisplacement(false, ep->v[vertIndex], time, 1000, 200, 1000, 28, 30.f, 30, -1.0);
break;
case(2):fTu = FluidTextureDisplacement(true, ep->v[vertIndex], time, 1000, 200, 1000, 40, 60.f, 60, -1.0);
fTv = FluidTextureDisplacement(false, ep->v[vertIndex], time, 1000, 200, 1000, 40, 60.f, 60, -1.0);
break;
default:break;
}
}
static void CalculateLavaDisplacement(float & fTu, float & fTv, EERIEPOLY * ep,
float time, int vertIndex, int step) {
switch(step) {
case(0):fTu = FluidTextureDisplacement(true, ep->v[vertIndex], time, 1000, 200, 2000, 20);
fTv = FluidTextureDisplacement(false, ep->v[vertIndex], time, 1000, 200, 2000, 20);
break;
case(1):fTu = FluidTextureDisplacement(true, ep->v[vertIndex], time, 1000, 100, 2000, 10);
fTv = FluidTextureDisplacement(false, ep->v[vertIndex], time, 1000, 100, 2000, 10);
break;
case(2):fTu = FluidTextureDisplacement(true, ep->v[vertIndex], time, 600, 160, 2000, 11);
fTv = FluidTextureDisplacement(false, ep->v[vertIndex], time, 600, 160, 2000, 11);
break;
default:break;
}
}
const int FTVU_STEP_COUNT = 3; //For fTv and fTu calculations
static void RenderWater() {
if(vPolyWater.empty()) {
return;
}
size_t iNbIndice = 0;
int iNb = vPolyWater.size();
dynamicVertices.lock();
GRenderer->SetBlendFunc(Renderer::BlendDstColor, Renderer::BlendOne);
GRenderer->SetTexture(0, enviro);
GRenderer->SetTexture(1, enviro);
GRenderer->SetTexture(2, enviro);
unsigned short * indices = dynamicVertices.indices;
float time = arxtime.get_frame_time();
while(iNb--) {
EERIEPOLY * ep = vPolyWater[iNb];
unsigned short iNbVertex = (ep->type & POLY_QUAD) ? 4 : 3;
SMY_VERTEX3 * pVertex = dynamicVertices.append(iNbVertex);
if(!pVertex) {
dynamicVertices.unlock();
RenderWaterBatch();
dynamicVertices.reset();
dynamicVertices.lock();
iNbIndice = 0;
indices = dynamicVertices.indices;
pVertex = dynamicVertices.append(iNbVertex);
}
float fTu;
float fTv;
for(int j = 0; j < iNbVertex; ++j) {
pVertex->p.x = ep->v[j].p.x;
pVertex->p.y = -ep->v[j].p.y;
pVertex->p.z = ep->v[j].p.z;
pVertex->color = Color(80, 80, 80, 255).toRGBA();
for(int i = 0; i < FTVU_STEP_COUNT; ++i) {
CalculateWaterDisplacement(fTu, fTv, ep, time, j, i);
if(ep->type & POLY_FALL) {
fTv += time * (1.f/4000);
}
pVertex->uv[i].x = fTu;
pVertex->uv[i].y = fTv;
}
pVertex++;
if(j == 2){
*indices++ = iNbIndice++;
*indices++ = iNbIndice++;
*indices++ = iNbIndice++;
dynamicVertices.nbindices += 3;
}
}
if(iNbVertex == 4) {
*indices++ = iNbIndice++;
*indices++ = iNbIndice - 2;
*indices++ = iNbIndice - 3;
dynamicVertices.nbindices += 3;
}
}
dynamicVertices.unlock();
RenderWaterBatch();
dynamicVertices.done();
vPolyWater.clear();
}
static void RenderLavaBatch() {
GRenderer->SetBlendFunc(Renderer::BlendDstColor, Renderer::BlendOne);
GRenderer->GetTextureStage(0)->setColorOp(TextureStage::OpModulate2X, TextureStage::ArgTexture, TextureStage::ArgDiffuse);
if(!dynamicVertices.nbindices) {
return;
}
GRenderer->GetTextureStage(1)->setColorOp(TextureStage::OpModulate4X, TextureStage::ArgTexture, TextureStage::ArgCurrent);
GRenderer->GetTextureStage(1)->disableAlpha();
GRenderer->GetTextureStage(2)->setColorOp(TextureStage::OpModulate, TextureStage::ArgTexture, TextureStage::ArgCurrent);
GRenderer->GetTextureStage(2)->disableAlpha();
dynamicVertices.draw(Renderer::TriangleList);
GRenderer->SetBlendFunc(Renderer::BlendZero, Renderer::BlendInvSrcColor);
GRenderer->GetTextureStage(0)->setColorOp(TextureStage::OpModulate);
dynamicVertices.draw(Renderer::TriangleList);
GRenderer->GetTextureStage(1)->disableColor();
GRenderer->GetTextureStage(2)->disableColor();
}
static void RenderLava() {
if(vPolyLava.empty()) {
return;
}
size_t iNbIndice = 0;
int iNb=vPolyLava.size();
dynamicVertices.lock();
GRenderer->SetBlendFunc(Renderer::BlendDstColor, Renderer::BlendOne);
GRenderer->SetTexture(0, enviro);
GRenderer->SetTexture(1, enviro);
GRenderer->SetTexture(2, enviro);
unsigned short * indices = dynamicVertices.indices;
float time = arxtime.get_frame_time();
while(iNb--) {
EERIEPOLY * ep = vPolyLava[iNb];
unsigned short iNbVertex = (ep->type & POLY_QUAD) ? 4 : 3;
SMY_VERTEX3 * pVertex = dynamicVertices.append(iNbVertex);