void AtlasViewActor::SetParam(const std::wstring& name, const AtlasMessage::Color& value)
{
if (name == L"background")
{
m_ActorViewer->SetBackgroundColor(SColor4ub(value.r, value.g, value.b, 255));
}
}
static SColor4ub sse_ConvertRGBColorTo4ub(const RGBColor& src)
{
const __m128 zero = _mm_setzero_ps();
const __m128 _255 = _mm_set_ss(255.0f);
__m128 r = _mm_load_ss(&src.X);
__m128 g = _mm_load_ss(&src.Y);
__m128 b = _mm_load_ss(&src.Z);
// C = min(255, 255*max(C, 0)) ( == clamp(255*C, 0, 255) )
r = _mm_max_ss(r, zero);
g = _mm_max_ss(g, zero);
b = _mm_max_ss(b, zero);
r = _mm_mul_ss(r, _255);
g = _mm_mul_ss(g, _255);
b = _mm_mul_ss(b, _255);
r = _mm_min_ss(r, _255);
g = _mm_min_ss(g, _255);
b = _mm_min_ss(b, _255);
// convert to integer and combine channels using bit logic
int ri = _mm_cvtss_si32(r);
int gi = _mm_cvtss_si32(g);
int bi = _mm_cvtss_si32(b);
return SColor4ub(ri, gi, bi, 0xFF);
}
ActorViewer::ActorViewer()
: m(*new ActorViewerImpl())
{
m.WalkEnabled = false;
m.GroundEnabled = true;
m.WaterEnabled = false;
m.ShadowsEnabled = g_Renderer.GetOptionBool(CRenderer::OPT_SHADOWS);
m.SelectionBoxEnabled = false;
m.AxesMarkerEnabled = false;
m.PropPointsMode = 0;
m.Background = SColor4ub(0, 0, 0, 255);
// Create a tiny empty piece of terrain, just so we can put shadows
// on it without having to think too hard
m.Terrain.Initialize(2, NULL);
CTerrainTextureEntry* tex = g_TexMan.FindTexture("whiteness");
if (tex)
{
for (ssize_t pi = 0; pi < m.Terrain.GetPatchesPerSide(); ++pi)
{
for (ssize_t pj = 0; pj < m.Terrain.GetPatchesPerSide(); ++pj)
{
CPatch* patch = m.Terrain.GetPatch(pi, pj);
for (ssize_t i = 0; i < PATCH_SIZE; ++i)
{
for (ssize_t j = 0; j < PATCH_SIZE; ++j)
{
CMiniPatch& mp = patch->m_MiniPatches[i][j];
mp.Tex = tex;
mp.Priority = 0;
}
}
}
}
}
else
{
debug_warn(L"Failed to load whiteness texture");
}
// Start the simulation
m.Simulation2.LoadDefaultScripts();
m.Simulation2.ResetState();
// Tell the simulation we've already loaded the terrain
CmpPtr<ICmpTerrain> cmpTerrain(m.Simulation2, SYSTEM_ENTITY);
if (cmpTerrain)
cmpTerrain->ReloadTerrain(false);
// Remove FOW since we're in Atlas
CmpPtr<ICmpRangeManager> cmpRangeManager(m.Simulation2, SYSTEM_ENTITY);
if (cmpRangeManager)
cmpRangeManager->SetLosRevealAll(-1, true);
}
// Build vertex buffer for water vertices over our patch
void CPatchRData::BuildWater()
{
PROFILE3("build water");
// number of vertices in each direction in each patch
ENSURE((PATCH_SIZE % water_cell_size) == 0);
if (m_VBWater)
{
g_VBMan.Release(m_VBWater);
m_VBWater = 0;
}
if (m_VBWaterIndices)
{
g_VBMan.Release(m_VBWaterIndices);
m_VBWaterIndices = 0;
}
m_WaterBounds.SetEmpty();
// We need to use this to access the water manager or we may not have the
// actual values but some compiled-in defaults
CmpPtr<ICmpWaterManager> cmpWaterManager(*m_Simulation, SYSTEM_ENTITY);
if (!cmpWaterManager)
return;
// Build data for water
std::vector<SWaterVertex> water_vertex_data;
std::vector<GLushort> water_indices;
u16 water_index_map[PATCH_SIZE+1][PATCH_SIZE+1];
memset(water_index_map, 0xFF, sizeof(water_index_map));
// TODO: This is not (yet) exported via the ICmp interface so... we stick to these values which can be compiled in defaults
WaterManager* WaterMgr = g_Renderer.GetWaterManager();
if (WaterMgr->m_NeedsFullReloading && !g_AtlasGameLoop->running)
{
WaterMgr->m_NeedsFullReloading = false;
WaterMgr->CreateSuperfancyInfo(m_Simulation);
}
CPatch* patch = m_Patch;
CTerrain* terrain = patch->m_Parent;
ssize_t mapSize = (size_t)terrain->GetVerticesPerSide();
ssize_t x1 = m_Patch->m_X*PATCH_SIZE;
ssize_t z1 = m_Patch->m_Z*PATCH_SIZE;
// build vertices, uv, and shader varying
for (ssize_t z = 0; z < PATCH_SIZE; z += water_cell_size)
{
for (ssize_t x = 0; x <= PATCH_SIZE; x += water_cell_size)
{
// Check that the edge at x is partially underwater
float startTerrainHeight[2] = { terrain->GetVertexGroundLevel(x+x1, z+z1), terrain->GetVertexGroundLevel(x+x1, z+z1 + water_cell_size) };
float startWaterHeight[2] = { cmpWaterManager->GetExactWaterLevel(x+x1, z+z1), cmpWaterManager->GetExactWaterLevel(x+x1, z+z1 + water_cell_size) };
if (startTerrainHeight[0] >= startWaterHeight[0] && startTerrainHeight[1] >= startWaterHeight[1])
continue;
// Move x back one cell (unless at start of patch), then scan rightwards
bool belowWater = true;
ssize_t stripStart;
for (stripStart = x = std::max(x-water_cell_size, (ssize_t)0); x <= PATCH_SIZE; x += water_cell_size)
{
// If this edge is not underwater, and neither is the previous edge
// (i.e. belowWater == false), then stop this strip since we've reached
// a cell that's entirely above water
float terrainHeight[2] = { terrain->GetVertexGroundLevel(x+x1, z+z1), terrain->GetVertexGroundLevel(x+x1, z+z1 + water_cell_size) };
float waterHeight[2] = { cmpWaterManager->GetExactWaterLevel(x+x1, z+z1), cmpWaterManager->GetExactWaterLevel(x+x1, z+z1 + water_cell_size) };
if (terrainHeight[0] >= waterHeight[0] && terrainHeight[1] >= waterHeight[1])
{
if (!belowWater)
break;
belowWater = false;
}
else
belowWater = true;
// Edge (x,z)-(x,z+1) is at least partially underwater, so extend the water plane strip across it
// Compute vertex data for the 2 points on the edge
for (int j = 0; j < 2; j++)
{
// Check if we already computed this vertex from an earlier strip
if (water_index_map[z+j*water_cell_size][x] != 0xFFFF)
continue;
SWaterVertex vertex;
terrain->CalcPosition(x+x1, z+z1 + j*water_cell_size, vertex.m_Position);
float depth = waterHeight[j] - vertex.m_Position.Y;
vertex.m_Position.Y = waterHeight[j];
m_WaterBounds += vertex.m_Position;
// NB: Usually this factor is view dependent, but for performance reasons
// we do not take it into account with basic non-shader based water.
// Average constant Fresnel effect for non-fancy water
float alpha = clamp(depth / WaterMgr->m_WaterFullDepth + WaterMgr->m_WaterAlphaOffset, WaterMgr->m_WaterAlphaOffset, WaterMgr->m_WaterMaxAlpha);
// Split the depth data across 24 bits, so the fancy-water shader can reconstruct
// the depth value while the simple-water can just use the precomputed alpha
float depthInt = floor(depth);
float depthFrac = depth - depthInt;
vertex.m_DepthData = SColor4ub(
u8(clamp(depthInt, 0.0f, 255.0f)),
u8(clamp(-depthInt, 0.0f, 255.0f)),
u8(clamp(depthFrac*255.0f, 0.0f, 255.0f)),
u8(clamp(alpha*255.0f, 0.0f, 255.0f)));
int tx = x+x1;
int ty = z+z1 + j*water_cell_size;
if (g_AtlasGameLoop->running)
{
// currently no foam is used so push whatever
vertex.m_WaterData = CVector4D(0.0f,0.0f,0.0f,0.0f);
}
else
{
vertex.m_WaterData = CVector4D(WaterMgr->m_WaveX[tx + ty*mapSize],
WaterMgr->m_WaveZ[tx + ty*mapSize],
WaterMgr->m_DistanceToShore[tx + ty*mapSize],
WaterMgr->m_FoamFactor[tx + ty*mapSize]);
}
water_index_map[z+j*water_cell_size][x] = water_vertex_data.size();
water_vertex_data.push_back(vertex);
}
// If this was not the first x in the strip, then add a quad
// using the computed vertex data
if (x <= stripStart)
continue;
water_indices.push_back(water_index_map[z + water_cell_size][x - water_cell_size]);
water_indices.push_back(water_index_map[z][x - water_cell_size]);
water_indices.push_back(water_index_map[z][x]);
water_indices.push_back(water_index_map[z + water_cell_size][x]);
}
}
}
// no vertex buffers if no data generated
if (water_indices.size() == 0)
return;
// allocate vertex buffer
m_VBWater = g_VBMan.Allocate(sizeof(SWaterVertex), water_vertex_data.size(), GL_STATIC_DRAW, GL_ARRAY_BUFFER);
m_VBWater->m_Owner->UpdateChunkVertices(m_VBWater, &water_vertex_data[0]);
// Construct indices buffer
m_VBWaterIndices = g_VBMan.Allocate(sizeof(GLushort), water_indices.size(), GL_STATIC_DRAW, GL_ELEMENT_ARRAY_BUFFER);
m_VBWaterIndices->m_Owner->UpdateChunkVertices(m_VBWaterIndices, &water_indices[0]);
}