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0ad/source/renderer/WaterManager.cpp
wraitii d0e57cb0ff Change a few things to avoid warnings with gcc. Should fix #2359 
This was SVN commit r14529.
2014-01-06 22:14:27 +00:00

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/* Copyright (C) 2013 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Water settings (speed, height) and texture management
*/
#include "precompiled.h"
#include "graphics/Terrain.h"
#include "graphics/TextureManager.h"
#include "lib/bits.h"
#include "lib/timer.h"
#include "lib/tex/tex.h"
#include "lib/res/graphics/ogl_tex.h"
#include "maths/MathUtil.h"
#include "maths/Vector2D.h"
#include "ps/Game.h"
#include "ps/World.h"
#include "renderer/WaterManager.h"
#include "renderer/Renderer.h"
#include "simulation2/Simulation2.h"
#include "simulation2/components/ICmpWaterManager.h"
#include "simulation2/components/ICmpRangeManager.h"
///////////////////////////////////////////////////////////////////////////////////////////////
// WaterManager implementation
///////////////////////////////////////////////////////////////////
// Construction/Destruction
WaterManager::WaterManager()
{
// water
m_RenderWater = false; // disabled until textures are successfully loaded
m_WaterHeight = 5.0f;
m_WaterColor = CColor(0.3f, 0.35f, 0.7f, 1.0f);
m_WaterFullDepth = 5.0f;
m_WaterMaxAlpha = 1.0f;
m_WaterAlphaOffset = -0.05f;
m_SWaterTrans = 0;
m_TWaterTrans = 0;
m_SWaterSpeed = 0.0015f;
m_TWaterSpeed = 0.0015f;
m_SWaterScrollCounter = 0;
m_TWaterScrollCounter = 0;
m_WaterCurrentTex = 0;
m_ReflectionTexture = 0;
m_RefractionTexture = 0;
m_ReflectionTextureSize = 0;
m_RefractionTextureSize = 0;
m_WaterTexTimer = 0.0;
m_SpecularStrength = 0.6f;
m_Waviness = 8.0f;
m_ReflectionTint = CColor(0.28f, 0.3f, 0.59f, 1.0f);
m_ReflectionTintStrength = 0.0f;
m_WaterTint = CColor(0.28f, 0.3f, 0.59f, 1.0f);
m_Murkiness = 0.45f;
m_RepeatPeriod = 16.0f;
m_WaveX = NULL;
m_WaveZ = NULL;
m_DistanceToShore = NULL;
m_FoamFactor = NULL;
m_WaterNormal = false;
m_WaterRealDepth = false;
m_WaterFoam = false;
m_WaterCoastalWaves = false;
m_WaterRefraction = false;
m_WaterReflection = false;
m_WaterShadows = false;
m_NeedsReloading = false;
m_NeedInfoUpdate = true;
m_VBWaves = NULL;
m_VBWavesIndices = NULL;
m_depthTT = 0;
m_waveTT = 0;
m_MapSize = 0;
m_updatei0 = 0;
m_updatej0 = 0;
m_updatei1 = 0;
m_updatej1 = 0;
}
WaterManager::~WaterManager()
{
// Cleanup if the caller messed up
UnloadWaterTextures();
delete[] m_WaveX;
delete[] m_WaveZ;
delete[] m_DistanceToShore;
delete[] m_FoamFactor;
glDeleteTextures(1, &m_depthTT);
glDeleteTextures(1, &m_waveTT);
if (m_VBWaves) g_VBMan.Release(m_VBWaves);
if (m_VBWavesIndices) g_VBMan.Release(m_VBWavesIndices);
}
///////////////////////////////////////////////////////////////////
// Progressive load of water textures
int WaterManager::LoadWaterTextures()
{
// TODO: this doesn't need to be progressive-loading any more
// (since texture loading is async now)
// TODO: add a member variable and setter for this. (can't make this
// a parameter because this function is called via delay-load code)
static const wchar_t* const water_type = L"default";
wchar_t pathname[PATH_MAX];
// Load diffuse grayscale images (for non-fancy water)
for (size_t i = 0; i < ARRAY_SIZE(m_WaterTexture); ++i)
{
swprintf_s(pathname, ARRAY_SIZE(pathname), L"art/textures/animated/water/%ls/diffuse%02d.dds", water_type, (int)i+1);
CTextureProperties textureProps(pathname);
textureProps.SetWrap(GL_REPEAT);
CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps);
texture->Prefetch();
m_WaterTexture[i] = texture;
}
// Load normalmaps (for fancy water)
for (size_t i = 0; i < ARRAY_SIZE(m_NormalMap); ++i)
{
swprintf_s(pathname, ARRAY_SIZE(pathname), L"art/textures/animated/water/%ls/normal%02d.dds", water_type, (int)i+1);
CTextureProperties textureProps(pathname);
textureProps.SetWrap(GL_REPEAT);
textureProps.SetMaxAnisotropy(4);
CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps);
texture->Prefetch();
m_NormalMap[i] = texture;
}
// Load foam (for fancy water)
{
CTextureProperties textureProps("art/textures/terrain/types/water/foam.png");
textureProps.SetWrap(GL_REPEAT);
CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps);
texture->Prefetch();
m_Foam = texture;
}
// Load waves (for fancy water)
{
CTextureProperties textureProps("art/textures/terrain/types/water/shore_wave.png");
textureProps.SetWrap(GL_REPEAT);
CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps);
texture->Prefetch();
m_Wave = texture;
}
// Set the size to the largest power of 2 that is <= to the window height, so
// the reflection/refraction images will fit within the window
// (alternative: use FBO's, which can have arbitrary size - but do we need
// the reflection/refraction textures to be that large?)
int size = (int)round_up_to_pow2((unsigned)g_Renderer.GetHeight());
if(size > g_Renderer.GetHeight()) size /= 2;
m_ReflectionTextureSize = size;
m_RefractionTextureSize = size;
// Create reflection texture
glGenTextures(1, &m_ReflectionTexture);
glBindTexture(GL_TEXTURE_2D, m_ReflectionTexture);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB,
(GLsizei)m_ReflectionTextureSize, (GLsizei)m_ReflectionTextureSize,
0, GL_RGB, GL_UNSIGNED_BYTE, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
// Create refraction texture
glGenTextures(1, &m_RefractionTexture);
glBindTexture(GL_TEXTURE_2D, m_RefractionTexture);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB,
(GLsizei)m_RefractionTextureSize, (GLsizei)m_RefractionTextureSize,
0, GL_RGB, GL_UNSIGNED_BYTE, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
// Enable rendering, now that we've succeeded this far
m_RenderWater = true;
return 0;
}
///////////////////////////////////////////////////////////////////
// Unload water textures
void WaterManager::UnloadWaterTextures()
{
for(size_t i = 0; i < ARRAY_SIZE(m_WaterTexture); i++)
{
m_WaterTexture[i].reset();
}
for(size_t i = 0; i < ARRAY_SIZE(m_NormalMap); i++)
{
m_NormalMap[i].reset();
}
}
///////////////////////////////////////////////////////////////////
// Create information about the terrain and wave vertices.
void WaterManager::CreateSuperfancyInfo(CSimulation2* simulation)
{
if (m_VBWaves)
{
g_VBMan.Release(m_VBWaves);
m_VBWaves = NULL;
}
if (m_VBWavesIndices)
{
g_VBMan.Release(m_VBWavesIndices);
m_VBWavesIndices = NULL;
}
CTerrain* terrain = g_Game->GetWorld()->GetTerrain();
CmpPtr<ICmpWaterManager> cmpWaterManager(*simulation, SYSTEM_ENTITY);
if (!cmpWaterManager)
return; // REALLY shouldn't happen and will most likely crash.
// Using this to get some more optimization on circular maps
CmpPtr<ICmpRangeManager> cmpRangeManager(*simulation, SYSTEM_ENTITY);
if (!cmpRangeManager)
return;
bool circular = cmpRangeManager->GetLosCircular();
float mSize = m_MapSize*m_MapSize;
float halfSize = (m_MapSize/2.0);
// Warning: this won't work with multiple water planes
m_WaterHeight = cmpWaterManager->GetExactWaterLevel(0,0);
// Get the square we want to work on.
ssize_t Xstart = m_updatei0 < 0 ? 0 : (m_updatei0 >= (ssize_t)m_MapSize ? (ssize_t)m_MapSize-1 : m_updatei0);
ssize_t Xend = m_updatei1 < 0 ? 0 : (m_updatei1 >= (ssize_t)m_MapSize ? (ssize_t)m_MapSize-1 : m_updatei1);
ssize_t Zstart = m_updatej0 < 0 ? 0 : (m_updatej0 >= (ssize_t)m_MapSize ? (ssize_t)m_MapSize-1 : m_updatej0);
ssize_t Zend = m_updatej1 < 0 ? 0 : (m_updatej1 >= (ssize_t)m_MapSize ? (ssize_t)m_MapSize-1 : m_updatej1);
if (!(Xend > Xstart && Zend > Zstart))
{
// it corrupts every now and then for reasons I don't get.
std::cout << m_updatei0 << " , " << Xstart << std::endl;
std::cout << m_MapSize << "," << (ssize_t)m_MapSize << std::endl;
}
if (m_WaveX == NULL)
{
m_WaveX = new float[m_MapSize*m_MapSize];
m_WaveZ = new float[m_MapSize*m_MapSize];
m_DistanceToShore = new float[m_MapSize*m_MapSize];
m_FoamFactor = new float[m_MapSize*m_MapSize];
}
u16* heightmap = terrain->GetHeightMap();
// some temporary stuff for wave intensity
// not really used too much right now.
//u8* waveForceHQ = new u8[mapSize*mapSize];
// used to cache terrain normals since otherwise we'd recalculate them a lot (I'm blurring the "normal" map).
// this might be updated to actually cache in the terrain manager but that's not for now.
CVector3D* normals = new CVector3D[m_MapSize*m_MapSize];
// taken out of the bottom loop, blurs the normal map
// To remove if below is reactivated
ssize_t blurZstart = Zstart-4 < 0 ? 0 : Zstart - 4;
ssize_t blurZend = Zend+4 >= (ssize_t)m_MapSize ? (ssize_t)m_MapSize-1 : Zend + 4;
ssize_t blurXstart = Xstart-4 < 0 ? 0 : Xstart - 4;
ssize_t blurXend = Xend+4 >= (ssize_t)m_MapSize ? (ssize_t)m_MapSize-1 : Xend + 4;
for (ssize_t j = blurZstart; j < blurZend; ++j)
{
for (ssize_t i = blurXstart; i < blurXend; ++i)
{
normals[j*m_MapSize + i] = terrain->CalcExactNormal(((float)i)*4.0f,((float)j)*4.0f);
}
}
// TODO: reactivate?
/*
// calculate wave force (not really used right now)
// and puts into "normals" the terrain normal at that point
// so as to avoid recalculating terrain normals too often.
for (ssize_t i = 0; i < mapSize; ++i)
{
for (ssize_t j = 0; j < mapSize; ++j)
{
normals[j*mapSize + i] = terrain->CalcExactNormal(((float)i)*4.0f,((float)j)*4.0f);
if (circular && (i-halfSize)*(i-halfSize)+(j-halfSize)*(j-halfSize) > mSize)
{
waveForceHQ[j*mapSize + i] = 255;
continue;
}
u8 color = 0;
for (int v = 0; v <= 18; v += 3){
if (j-v >= 0 && i-v >= 0 && heightmap[(j-v)*mapSize + i-v] > waterHeightInu16)
{
if (color == 0)
color = 5;
else
color++;
}
}
waveForceHQ[j*mapSize + i] = 255 - color * 40;
}
}
*/
// this creates information for waves and stores it in float arrays. PatchRData then puts it in the vertex info for speed.
for (ssize_t j = Zstart; j < Zend; ++j)
{
for (ssize_t i = Xstart; i < Xend; ++i)
{
ssize_t index = j*m_MapSize + i;
if (circular && (i-halfSize)*(i-halfSize)+(j-halfSize)*(j-halfSize) > mSize)
{
m_WaveX[index] = 0.0f;
m_WaveZ[index] = 0.0f;
m_DistanceToShore[index] = 100;
m_FoamFactor[index] = 0.0f;
continue;
}
float depth = m_WaterHeight - heightmap[index]*HEIGHT_SCALE;
float distanceToShore = 10000;
// calculation of the distance to the shore.
if (i > 0 && i < (ssize_t)m_MapSize-1 && j > 0 && j < (ssize_t)m_MapSize-1)
{
// search a 5x5 array with us in the center (do not search me)
// much faster since we spiral search and can just stop once we've found the shore.
// also everything is precomputed and we get exact results instead.
size_t offset[24] = { -1,1,-m_MapSize,+m_MapSize, -1-m_MapSize,+1-m_MapSize,-1+m_MapSize,1+m_MapSize,
-2,2,-2*m_MapSize,2*m_MapSize,-2-m_MapSize,-2+m_MapSize,2-m_MapSize,2+m_MapSize,
-1-2*m_MapSize,+1-2*m_MapSize,-1+2*m_MapSize,1+2*m_MapSize,
-2-2*m_MapSize,2+2*m_MapSize,-2+2*m_MapSize,2-2*m_MapSize };
float dist[24] = { 1.0f, 1.0f, 1.0f, 1.0f, 1.414f, 1.414f, 1.414f, 1.414f,
2.0f, 2.0f, 2.0f, 2.0f, 2.236f, 2.236f, 2.236f, 2.236f,
2.236f, 2.236f, 2.236f, 2.236f,
2.828f, 2.828f, 2.828f, 2.828f };
int max = 8;
if (i > 1 && i < (ssize_t)m_MapSize-2 && j > 1 && j < (ssize_t)m_MapSize-2)
max = 24;
for(int lookupI = 0; lookupI < max;++lookupI)
{
float hereDepth = m_WaterHeight - heightmap[index+offset[lookupI]]*HEIGHT_SCALE;
distanceToShore = hereDepth <= 0 && depth >= 0 ? dist[lookupI] : (depth < 0 ? 1 : distanceToShore);
if (distanceToShore != 10000)
break;
}
} else {
// revert to for and if-based because I can't be bothered to special case all that.
for (int xx = -1; xx <= 1;++xx)
for (int yy = -1; yy <= 1;++yy)
{
if (i+xx >= 0 && i+xx < (ssize_t)m_MapSize && j+yy >= 0 && j+yy < (ssize_t)m_MapSize)
{
float hereDepth = m_WaterHeight - heightmap[index+xx+yy*m_MapSize]*HEIGHT_SCALE;
distanceToShore = (hereDepth < 0 && sqrt((double)xx*xx+yy*yy) < distanceToShore) ? sqrt((double)xx*xx+yy*yy) : distanceToShore;
}
}
}
// speedup with default values for land squares
if (distanceToShore == 10000)
{
m_WaveX[index] = 0.0f;
m_WaveZ[index] = 0.0f;
m_DistanceToShore[index] = 100.0f;
m_FoamFactor[index] = 0.0f;
continue;
}
// We'll compute the normals and the "water raise", to know about foam
// Normals are a pretty good calculation but it's slow since we normalize so much.
CVector3D normal;
int waterRaise = 0;
for (int yy = -3; yy <= 3; yy += 2)
{
for (int xx = -3; xx <= 3; xx += 2) // every 2 tile is good enough.
{
if (j+yy < (long)m_MapSize && i+xx < (long)m_MapSize && i+xx >= 0 && j+yy >= 0)
normal += normals[(j+yy)*m_MapSize + (i+xx)];
waterRaise += heightmap[index]*HEIGHT_SCALE - terrain->GetVertexGroundLevel(i+xx,j+yy) > 0 ? heightmap[index]*HEIGHT_SCALE - terrain->GetVertexGroundLevel(i+xx,j+yy) : 0.0f;
}
}
// normalizes the terrain info to avoid foam moving at too different speeds.
normal *= 0.08f;
normal[1] = 0.1f;
normal = normal.Normalized();
m_WaveX[index] = normal[0];
m_WaveZ[index] = normal[2];
// distance is /5.0 to be a [0,1] value.
m_DistanceToShore[index] = distanceToShore;
// computing the amount of foam I want
depth = clamp(depth,0.0f,10.0f);
float foamAmount = (waterRaise/255.0f) * (1.0f - depth/10.0f) /** (waveForceHQ[j*m_MapSize+i]/255.0f)*/ * (m_Waviness/8.0f);
foamAmount += clamp(m_Waviness/2.0f,0.0f,m_Waviness/2.0f)/(m_Waviness/2.0f) * clamp(m_Waviness/9.0f,0.3f,1.0f);
foamAmount *= (m_Waviness/4.0f - distanceToShore);
foamAmount = foamAmount > 1.0f ? 1.0f: (foamAmount < 0.0f ? 0.0f : foamAmount);
m_FoamFactor[index] = foamAmount;
}
}
delete[] normals;
//delete[] waveForceHQ;
// TODO: reactivate this with something that looks good and is efficient.
/*
// okay let's create the waves squares. i'll divide the map in arbitrary squares
// For each of these squares, check if waves are needed.
// If yes, look for the best positionning (in order to have a nice blending with the shore)
// Then clean-up: remove squares that are too close to each other
std::vector<CVector2D> waveSquares;
int size = 8; // I think this is the size of the squares.
for (size_t j = 0; j < m_MapSize/size; ++j)
{
for (size_t i = 0; i < m_MapSize/size; ++i)
{
int landTexel = 0;
int waterTexel = 0;
CVector3D avnormal (0.0f,0.0f,0.0f);
CVector2D landPosition(0.0f,0.0f);
CVector2D waterPosition(0.0f,0.0f);
for (int yy = 0; yy < size; ++yy)
{
for (int xx = 0; xx < size; ++xx)
{
if (terrain->GetVertexGroundLevel(i*size+xx,j*size+yy) > m_WaterHeight)
{
landTexel++;
landPosition += CVector2D(i*size+xx,j*size+yy);
}
else
{
waterPosition += CVector2D(i*size+xx,j*size+yy);
waterTexel++;
avnormal += terrain->CalcExactNormal( (i*size+xx)*4.0f,(j*size+yy)*4.0f);
}
}
}
if (landTexel < size/2)
continue;
landPosition /= landTexel;
waterPosition /= waterTexel;
avnormal[1] = 1.0f;
avnormal.Normalize();
avnormal[1] = 0.0f;
// this should help ensure that the shore is pretty flat.
if (avnormal.Length() <= 0.2f)
continue;
// To get the best position for squares, I start at the mean "ocean" position
// And step by step go to the mean "land" position. I keep the position where I change from water to land.
// If this never happens, the square is scrapped.
if (terrain->GetExactGroundLevel(waterPosition.X*4.0f,waterPosition.Y*4.0f) > m_WaterHeight)
continue;
CVector2D squarePos(-1,-1);
for (u8 i = 0; i < 40; i++)
{
squarePos = landPosition * (i/40.0f) + waterPosition * (1.0f-(i/40.0f));
if (terrain->GetExactGroundLevel(squarePos.X*4.0f,squarePos.Y*4.0f) > m_WaterHeight)
break;
}
if (squarePos.X == -1)
continue;
u8 enter = 1;
// okaaaaaay. Got a square. Check for proximity.
for (unsigned long i = 0; i < waveSquares.size(); i++)
{
if ( CVector2D(waveSquares[i]-squarePos).LengthSquared() < 80) {
enter = 0;
break;
}
}
if (enter == 1)
waveSquares.push_back(squarePos);
}
}
// Actually create the waves' meshes.
std::vector<SWavesVertex> waves_vertex_data;
std::vector<GLushort> waves_indices;
// loop through each square point. Look in the square around it, calculate the normal
// create the square.
for (unsigned long i = 0; i < waveSquares.size(); i++)
{
CVector2D pos(waveSquares[i]);
CVector3D avgnorm(0.0f,0.0f,0.0f);
for (int yy = -size/2; yy < size/2; ++yy)
{
for (int xx = -size/2; xx < size/2; ++xx)
{
avgnorm += terrain->CalcExactNormal((pos.X+xx)*4.0f,(pos.Y+yy)*4.0f);
}
}
avgnorm[1] = 0.1f;
// okay crank out a square.
// we have the direction of the square. We'll get the perpendicular vector too
CVector2D perp(-avgnorm[2],avgnorm[0]);
perp = perp.Normalized();
avgnorm = avgnorm.Normalized();
GLushort index[4];
SWavesVertex vertex[4];
vertex[0].m_Position = CVector3D(pos.X + perp.X*(size/2.2f) - avgnorm[0]*1.0f, 0.0f,pos.Y + perp.Y*(size/2.2f) - avgnorm[2]*1.0f);
vertex[0].m_Position *= 4.0f;
vertex[0].m_Position.Y = m_WaterHeight + 1.0f;
vertex[0].m_UV[1] = 1;
vertex[0].m_UV[0] = 0;
index[0] = waves_vertex_data.size();
waves_vertex_data.push_back(vertex[0]);
vertex[1].m_Position = CVector3D(pos.X - perp.X*(size/2.2f) - avgnorm[0]*1.0f, 0.0f,pos.Y - perp.Y*(size/2.2f) - avgnorm[2]*1.0f);
vertex[1].m_Position *= 4.0f;
vertex[1].m_Position.Y = m_WaterHeight + 1.0f;
vertex[1].m_UV[1] = 1;
vertex[1].m_UV[0] = 1;
index[1] = waves_vertex_data.size();
waves_vertex_data.push_back(vertex[1]);
vertex[3].m_Position = CVector3D(pos.X + perp.X*(size/2.2f) + avgnorm[0]*(size/1.5f), 0.0f,pos.Y + perp.Y*(size/2.2f) + avgnorm[2]*(size/1.5f));
vertex[3].m_Position *= 4.0f;
vertex[3].m_Position.Y = m_WaterHeight + 1.0f;
vertex[3].m_UV[1] = 0;
vertex[3].m_UV[0] = 0;
index[3] = waves_vertex_data.size();
waves_vertex_data.push_back(vertex[3]);
vertex[2].m_Position = CVector3D(pos.X - perp.X*(size/2.2f) + avgnorm[0]*(size/1.5f), 0.0f,pos.Y - perp.Y*(size/2.2f) + avgnorm[2]*(size/1.5f));
vertex[2].m_Position *= 4.0f;
vertex[2].m_Position.Y = m_WaterHeight + 1.0f;
vertex[2].m_UV[1] = 0;
vertex[2].m_UV[0] = 1;
index[2] = waves_vertex_data.size();
waves_vertex_data.push_back(vertex[2]);
waves_indices.push_back(index[0]);
waves_indices.push_back(index[1]);
waves_indices.push_back(index[2]);
waves_indices.push_back(index[2]);
waves_indices.push_back(index[3]);
waves_indices.push_back(index[0]);
}
// no vertex buffers if no data generated
if (waves_indices.empty())
return;
// waves
// allocate vertex buffer
m_VBWaves = g_VBMan.Allocate(sizeof(SWavesVertex), waves_vertex_data.size(), GL_STATIC_DRAW, GL_ARRAY_BUFFER);
m_VBWaves->m_Owner->UpdateChunkVertices(m_VBWaves, &waves_vertex_data[0]);
// Construct indices buffer
m_VBWavesIndices = g_VBMan.Allocate(sizeof(GLushort), waves_indices.size(), GL_STATIC_DRAW, GL_ELEMENT_ARRAY_BUFFER);
m_VBWavesIndices->m_Owner->UpdateChunkVertices(m_VBWavesIndices, &waves_indices[0]);
*/
}
////////////////////////////////////////////////////////////////////////
// This will always recalculate for now
void WaterManager::SetMapSize(size_t size)
{
// TODO: Im' blindly trusting the user here.
m_MapSize = size;
m_NeedInfoUpdate = true;
m_updatei0 = 0;
m_updatei1 = size;
m_updatej0 = 0;
m_updatej1 = size;
SAFE_ARRAY_DELETE(m_WaveX);
SAFE_ARRAY_DELETE(m_WaveZ);
SAFE_ARRAY_DELETE(m_DistanceToShore);
SAFE_ARRAY_DELETE(m_FoamFactor);
}
////////////////////////////////////////////////////////////////////////
// This will set the bools properly
void WaterManager::UpdateQuality()
{
if (g_Renderer.GetOptionBool(CRenderer::OPT_WATERNORMAL) != m_WaterNormal) {
m_WaterNormal = g_Renderer.GetOptionBool(CRenderer::OPT_WATERNORMAL);
m_NeedsReloading = true;
}
if (g_Renderer.GetOptionBool(CRenderer::OPT_WATERREALDEPTH) != m_WaterRealDepth) {
m_WaterRealDepth = g_Renderer.GetOptionBool(CRenderer::OPT_WATERREALDEPTH);
m_NeedsReloading = true;
}
if (g_Renderer.GetOptionBool(CRenderer::OPT_WATERFOAM) != m_WaterFoam) {
m_WaterFoam = g_Renderer.GetOptionBool(CRenderer::OPT_WATERFOAM);
m_NeedsReloading = true;
m_NeedInfoUpdate = true;
}
if (g_Renderer.GetOptionBool(CRenderer::OPT_WATERCOASTALWAVES) != m_WaterCoastalWaves) {
m_WaterCoastalWaves = g_Renderer.GetOptionBool(CRenderer::OPT_WATERCOASTALWAVES);
m_NeedsReloading = true;
m_NeedInfoUpdate = true;
}
if (g_Renderer.GetOptionBool(CRenderer::OPT_WATERREFRACTION) != m_WaterRefraction) {
m_WaterRefraction = g_Renderer.GetOptionBool(CRenderer::OPT_WATERREFRACTION);
m_NeedsReloading = true;
}
if (g_Renderer.GetOptionBool(CRenderer::OPT_WATERREFLECTION) != m_WaterReflection) {
m_WaterReflection = g_Renderer.GetOptionBool(CRenderer::OPT_WATERREFLECTION);
m_NeedsReloading = true;
}
if (g_Renderer.GetOptionBool(CRenderer::OPT_WATERSHADOW) != m_WaterShadows) {
m_WaterShadows = g_Renderer.GetOptionBool(CRenderer::OPT_WATERSHADOW);
m_NeedsReloading = true;
}
}
bool WaterManager::WillRenderFancyWater()
{
if (!g_Renderer.GetCapabilities().m_FragmentShader)
return false;
if (!m_RenderWater)
return false;
return true;
}
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