std::vector<entity_id_t> EntitySelection::PickSimilarEntities(CSimulation2& simulation, const CCamera& camera, const std::string& templateName, int owner, bool includeOffScreen, bool matchRank)
{
CmpPtr<ICmpTemplateManager> cmpTemplateManager(simulation, SYSTEM_ENTITY);
CmpPtr<ICmpRangeManager> cmpRangeManager(simulation, SYSTEM_ENTITY);
std::vector<entity_id_t> hitEnts;
const CSimulation2::InterfaceListUnordered& ents = simulation.GetEntitiesWithInterfaceUnordered(IID_Selectable);
for (CSimulation2::InterfaceListUnordered::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
entity_id_t ent = it->first;
if (matchRank)
{
// Exact template name matching
if (cmpTemplateManager->GetCurrentTemplateName(ent) != templateName)
continue;
}
// Ignore entities hidden by LOS (or otherwise hidden, e.g. when not IsInWorld)
// In this case, the checking is done to avoid selecting garrisoned units
if (cmpRangeManager->GetLosVisibility(ent, owner) == ICmpRangeManager::VIS_HIDDEN)
continue;
// Ignore entities not owned by 'owner'
CmpPtr<ICmpOwnership> cmpOwnership(simulation.GetSimContext(), ent);
if (!cmpOwnership || cmpOwnership->GetOwner() != owner)
continue;
// Ignore off screen entities
if (!includeOffScreen)
{
// Find the current interpolated model position.
CmpPtr<ICmpVisual> cmpVisual(simulation.GetSimContext(), ent);
if (!cmpVisual)
continue;
CVector3D position = cmpVisual->GetPosition();
// Reject if it's not on-screen (e.g. it's behind the camera)
if (!camera.GetFrustum().IsPointVisible(position))
continue;
}
if (!matchRank)
{
// Match by selection group name
// (This is relatively expensive since it involves script calls, so do it after all other tests)
CmpPtr<ICmpIdentity> cmpIdentity(simulation.GetSimContext(), ent);
if (!cmpIdentity || cmpIdentity->GetSelectionGroupName() != templateName)
continue;
}
hitEnts.push_back(ent);
}
return hitEnts;
}
std::vector<entity_id_t> EntitySelection::PickEntitiesInRect(CSimulation2& simulation, const CCamera& camera, int sx0, int sy0, int sx1, int sy1, player_id_t owner, bool allowEditorSelectables)
{
// Make sure sx0 <= sx1, and sy0 <= sy1
if (sx0 > sx1)
std::swap(sx0, sx1);
if (sy0 > sy1)
std::swap(sy0, sy1);
CmpPtr<ICmpRangeManager> cmpRangeManager(simulation, SYSTEM_ENTITY);
ENSURE(cmpRangeManager);
std::vector<entity_id_t> hitEnts;
const CSimulation2::InterfaceListUnordered& ents = simulation.GetEntitiesWithInterfaceUnordered(IID_Selectable);
for (CSimulation2::InterfaceListUnordered::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
entity_id_t ent = it->first;
// Check if this entity is only selectable in Atlas
if (static_cast<ICmpSelectable*>(it->second)->IsEditorOnly() && !allowEditorSelectables)
continue;
// Ignore entities hidden by LOS (or otherwise hidden, e.g. when not IsInWorld)
if (cmpRangeManager->GetLosVisibility(ent, owner) == ICmpRangeManager::VIS_HIDDEN)
continue;
// Ignore entities not owned by 'owner'
CmpPtr<ICmpOwnership> cmpOwnership(simulation.GetSimContext(), ent);
if (owner != INVALID_PLAYER && (!cmpOwnership || cmpOwnership->GetOwner() != owner))
continue;
// Find the current interpolated model position.
// (We just use the centre position and not the whole bounding box, because maybe
// that's better for users trying to select objects in busy areas)
CmpPtr<ICmpVisual> cmpVisual(simulation.GetSimContext(), ent);
if (!cmpVisual)
continue;
CVector3D position = cmpVisual->GetPosition();
// Reject if it's not on-screen (e.g. it's behind the camera)
if (!camera.GetFrustum().IsPointVisible(position))
continue;
// Compare screen-space coordinates
float x, y;
camera.GetScreenCoordinates(position, x, y);
int ix = (int)x;
int iy = (int)y;
if (sx0 <= ix && ix <= sx1 && sy0 <= iy && iy <= sy1)
hitEnts.push_back(ent);
}
return hitEnts;
}
std::vector<entity_id_t> EntitySelection::PickEntitiesAtPoint(CSimulation2& simulation, const CCamera& camera, int screenX, int screenY, int player)
{
CVector3D origin, dir;
camera.BuildCameraRay(screenX, screenY, origin, dir);
CmpPtr<ICmpRangeManager> cmpRangeManager(simulation, SYSTEM_ENTITY);
ENSURE(!cmpRangeManager.null());
std::vector<std::pair<float, entity_id_t> > hits; // (dist^2, entity) pairs
const CSimulation2::InterfaceListUnordered& ents = simulation.GetEntitiesWithInterfaceUnordered(IID_Selectable);
for (CSimulation2::InterfaceListUnordered::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
entity_id_t ent = it->first;
// Ignore entities hidden by LOS (or otherwise hidden, e.g. when not IsInWorld)
if (cmpRangeManager->GetLosVisibility(ent, player) == ICmpRangeManager::VIS_HIDDEN)
continue;
CmpPtr<ICmpVisual> cmpVisual(simulation.GetSimContext(), ent);
if (cmpVisual.null())
continue;
CBound bounds = cmpVisual->GetBounds();
float tmin, tmax;
if (!bounds.RayIntersect(origin, dir, tmin, tmax))
continue;
// Find the perpendicular distance from the object's centre to the picker ray
CVector3D centre;
bounds.GetCentre(centre);
CVector3D closest = origin + dir * (centre - origin).Dot(dir);
float dist2 = (closest - centre).LengthSquared();
hits.push_back(std::make_pair(dist2, ent));
}
// Sort hits by distance
std::sort(hits.begin(), hits.end()); // lexicographic comparison
// Extract the entity IDs
std::vector<entity_id_t> hitEnts;
hitEnts.reserve(hits.size());
for (size_t i = 0; i < hits.size(); ++i)
hitEnts.push_back(hits[i].second);
return hitEnts;
}
void CMiniMap::Draw()
{
PROFILE3("render minimap");
// The terrain isn't actually initialized until the map is loaded, which
// happens when the game is started, so abort until then.
if(!(GetGUI() && g_Game && g_Game->IsGameStarted()))
return;
CSimulation2* sim = g_Game->GetSimulation2();
CmpPtr<ICmpRangeManager> cmpRangeManager(*sim, SYSTEM_ENTITY);
ENSURE(cmpRangeManager);
// Set our globals in case they hadn't been set before
m_Camera = g_Game->GetView()->GetCamera();
m_Terrain = g_Game->GetWorld()->GetTerrain();
m_Width = (u32)(m_CachedActualSize.right - m_CachedActualSize.left);
m_Height = (u32)(m_CachedActualSize.bottom - m_CachedActualSize.top);
m_MapSize = m_Terrain->GetVerticesPerSide();
m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize);
m_MapScale = (cmpRangeManager->GetLosCircular() ? 1.f : 1.414f);
if(!m_TerrainTexture || g_GameRestarted)
CreateTextures();
// only update 2x / second
// (note: since units only move a few pixels per second on the minimap,
// we can get away with infrequent updates; this is slow)
static double last_time;
const double cur_time = timer_Time();
if(cur_time - last_time > 0.5)
{
last_time = cur_time;
if(m_TerrainDirty)
RebuildTerrainTexture();
}
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
CMatrix3D matrix = GetDefaultGuiMatrix();
glLoadMatrixf(&matrix._11);
// Disable depth updates to prevent apparent z-fighting-related issues
// with some drivers causing units to get drawn behind the texture
glDepthMask(0);
const float x = m_CachedActualSize.left, y = m_CachedActualSize.bottom;
const float x2 = m_CachedActualSize.right, y2 = m_CachedActualSize.top;
const float z = GetBufferedZ();
const float texCoordMax = (float)(m_MapSize - 1) / (float)m_TextureSize;
const float angle = GetAngle();
// Draw the main textured quad
g_Renderer.BindTexture(0, m_TerrainTexture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
DrawTexture(texCoordMax, angle, x, y, x2, y2, z);
// Draw territory boundaries
CTerritoryTexture& territoryTexture = g_Game->GetView()->GetTerritoryTexture();
territoryTexture.BindTexture(0);
glEnable(GL_BLEND);
glMatrixMode(GL_TEXTURE);
glLoadMatrixf(territoryTexture.GetMinimapTextureMatrix());
glMatrixMode(GL_MODELVIEW);
DrawTexture(1.0f, angle, x, y, x2, y2, z);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glDisable(GL_BLEND);
// Draw the LOS quad in black, using alpha values from the LOS texture
CLOSTexture& losTexture = g_Game->GetView()->GetLOSTexture();
losTexture.BindTexture(0);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor3f(0.0f, 0.0f, 0.0f);
glMatrixMode(GL_TEXTURE);
glLoadMatrixf(losTexture.GetMinimapTextureMatrix());
glMatrixMode(GL_MODELVIEW);
DrawTexture(1.0f, angle, x, y, x2, y2, z);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glDisable(GL_BLEND);
// Set up the matrix for drawing points and lines
glPushMatrix();
glTranslatef(x, y, z);
// Rotate around the center of the map
glTranslatef((x2-x)/2.f, (y2-y)/2.f, 0.f);
// Scale square maps to fit in circular minimap area
float unitScale = (cmpRangeManager->GetLosCircular() ? 1.f : m_MapScale/2.f);
glScalef(unitScale, unitScale, 1.f);
glRotatef(angle * 180.f/M_PI, 0.f, 0.f, 1.f);
glTranslatef(-(x2-x)/2.f, -(y2-y)/2.f, 0.f);
PROFILE_START("minimap units");
// Don't enable GL_POINT_SMOOTH because it's far too slow
// (~70msec/frame on a GF4 rendering a thousand points)
glPointSize(3.f);
float sx = (float)m_Width / ((m_MapSize - 1) * TERRAIN_TILE_SIZE);
float sy = (float)m_Height / ((m_MapSize - 1) * TERRAIN_TILE_SIZE);
CSimulation2::InterfaceList ents = sim->GetEntitiesWithInterface(IID_Minimap);
std::vector<MinimapUnitVertex> vertexArray;
vertexArray.reserve(ents.size());
for (CSimulation2::InterfaceList::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
MinimapUnitVertex v;
ICmpMinimap* cmpMinimap = static_cast<ICmpMinimap*>(it->second);
entity_pos_t posX, posZ;
if (cmpMinimap->GetRenderData(v.r, v.g, v.b, posX, posZ))
{
ICmpRangeManager::ELosVisibility vis = cmpRangeManager->GetLosVisibility(it->first, g_Game->GetPlayerID());
if (vis != ICmpRangeManager::VIS_HIDDEN)
{
v.a = 255;
v.x = posX.ToFloat()*sx;
v.y = -posZ.ToFloat()*sy;
vertexArray.push_back(v);
}
}
}
if (!vertexArray.empty())
{
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glVertexPointer(2, GL_FLOAT, sizeof(MinimapUnitVertex), &vertexArray[0].x);
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(MinimapUnitVertex), &vertexArray[0].r);
glDrawArrays(GL_POINTS, 0, (GLsizei)vertexArray.size());
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
}
PROFILE_END("minimap units");
DrawViewRect();
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// Reset everything back to normal
glPointSize(1.0f);
glEnable(GL_TEXTURE_2D);
glDepthMask(1);
}
// TODO: render the minimap in a framebuffer and just draw the frambuffer texture
// most of the time, updating the framebuffer twice a frame.
// Here it updates as ping-pong either texture or vertex array each sec to lower gpu stalling
// (those operations cause a gpu sync, which slows down the way gpu works)
void CMiniMap::Draw()
{
PROFILE3("render minimap");
// The terrain isn't actually initialized until the map is loaded, which
// happens when the game is started, so abort until then.
if(!(GetGUI() && g_Game && g_Game->IsGameStarted()))
return;
CSimulation2* sim = g_Game->GetSimulation2();
CmpPtr<ICmpRangeManager> cmpRangeManager(*sim, SYSTEM_ENTITY);
ENSURE(cmpRangeManager);
// Set our globals in case they hadn't been set before
m_Camera = g_Game->GetView()->GetCamera();
m_Terrain = g_Game->GetWorld()->GetTerrain();
m_Width = (u32)(m_CachedActualSize.right - m_CachedActualSize.left);
m_Height = (u32)(m_CachedActualSize.bottom - m_CachedActualSize.top);
m_MapSize = m_Terrain->GetVerticesPerSide();
m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize);
m_MapScale = (cmpRangeManager->GetLosCircular() ? 1.f : 1.414f);
if(!m_TerrainTexture || g_GameRestarted)
CreateTextures();
// only update 2x / second
// (note: since units only move a few pixels per second on the minimap,
// we can get away with infrequent updates; this is slow)
// TODO: store frequency in a config file?
static double last_time;
const double cur_time = timer_Time();
const bool doUpdate = cur_time - last_time > 0.5;
if(doUpdate)
{
last_time = cur_time;
if(m_TerrainDirty)
RebuildTerrainTexture();
}
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
CMatrix3D matrix = GetDefaultGuiMatrix();
glLoadMatrixf(&matrix._11);
// Disable depth updates to prevent apparent z-fighting-related issues
// with some drivers causing units to get drawn behind the texture
glDepthMask(0);
CShaderProgramPtr shader;
CShaderTechniquePtr tech;
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
CShaderDefines defines;
defines.Add(str_MINIMAP_BASE, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines);
tech->BeginPass();
shader = tech->GetShader();
}
const float x = m_CachedActualSize.left, y = m_CachedActualSize.bottom;
const float x2 = m_CachedActualSize.right, y2 = m_CachedActualSize.top;
const float z = GetBufferedZ();
const float texCoordMax = (float)(m_MapSize - 1) / (float)m_TextureSize;
const float angle = GetAngle();
// Draw the main textured quad
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
shader->BindTexture(str_baseTex, m_TerrainTexture);
else
g_Renderer.BindTexture(0, m_TerrainTexture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
DrawTexture(shader, texCoordMax, angle, x, y, x2, y2, z);
// Draw territory boundaries
CTerritoryTexture& territoryTexture = g_Game->GetView()->GetTerritoryTexture();
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
shader->BindTexture(str_baseTex, territoryTexture.GetTexture());
else
territoryTexture.BindTexture(0);
glEnable(GL_BLEND);
glMatrixMode(GL_TEXTURE);
glLoadMatrixf(territoryTexture.GetMinimapTextureMatrix());
glMatrixMode(GL_MODELVIEW);
DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glDisable(GL_BLEND);
// Draw the LOS quad in black, using alpha values from the LOS texture
CLOSTexture& losTexture = g_Game->GetView()->GetLOSTexture();
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
tech->EndPass();
CShaderDefines defines;
defines.Add(str_MINIMAP_LOS, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines);
tech->BeginPass();
shader = tech->GetShader();
shader->BindTexture(str_baseTex, losTexture.GetTexture());
}
else
{
losTexture.BindTexture(0);
}
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor3f(0.0f, 0.0f, 0.0f);
glMatrixMode(GL_TEXTURE);
glLoadMatrixf(losTexture.GetMinimapTextureMatrix());
glMatrixMode(GL_MODELVIEW);
DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glDisable(GL_BLEND);
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
tech->EndPass();
CShaderDefines defines;
defines.Add(str_MINIMAP_POINT, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines);
tech->BeginPass();
shader = tech->GetShader();
}
// Set up the matrix for drawing points and lines
glPushMatrix();
glTranslatef(x, y, z);
// Rotate around the center of the map
glTranslatef((x2-x)/2.f, (y2-y)/2.f, 0.f);
// Scale square maps to fit in circular minimap area
float unitScale = (cmpRangeManager->GetLosCircular() ? 1.f : m_MapScale/2.f);
glScalef(unitScale, unitScale, 1.f);
glRotatef(angle * 180.f/M_PI, 0.f, 0.f, 1.f);
glTranslatef(-(x2-x)/2.f, -(y2-y)/2.f, 0.f);
PROFILE_START("minimap units");
const float sx = (float)m_Width / ((m_MapSize - 1) * TERRAIN_TILE_SIZE);
const float sy = (float)m_Height / ((m_MapSize - 1) * TERRAIN_TILE_SIZE);
CSimulation2::InterfaceList ents = sim->GetEntitiesWithInterface(IID_Minimap);
if (doUpdate)
{
VertexArrayIterator<float[2]> attrPos = m_AttributePos.GetIterator<float[2]>();
VertexArrayIterator<u8[4]> attrColor = m_AttributeColor.GetIterator<u8[4]>();
m_EntitiesDrawn = 0;
MinimapUnitVertex v;
std::vector<MinimapUnitVertex> pingingVertices;
pingingVertices.reserve(MAX_ENTITIES_DRAWN/2);
const double time = timer_Time();
if (time > m_NextBlinkTime)
{
m_BlinkState = !m_BlinkState;
m_NextBlinkTime = time + m_HalfBlinkDuration;
}
entity_pos_t posX, posZ;
for (CSimulation2::InterfaceList::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
ICmpMinimap* cmpMinimap = static_cast<ICmpMinimap*>(it->second);
if (cmpMinimap->GetRenderData(v.r, v.g, v.b, posX, posZ))
{
ICmpRangeManager::ELosVisibility vis = cmpRangeManager->GetLosVisibility(it->first, g_Game->GetPlayerID());
if (vis != ICmpRangeManager::VIS_HIDDEN)
{
v.a = 255;
v.x = posX.ToFloat()*sx;
v.y = -posZ.ToFloat()*sy;
// Check minimap pinging to indicate something
if (m_BlinkState && cmpMinimap->CheckPing(time, m_PingDuration))
{
v.r = 255; // ping color is white
v.g = 255;
v.b = 255;
pingingVertices.push_back(v);
}
else
{
addVertex(v, attrColor, attrPos);
++m_EntitiesDrawn;
}
}
}
}
// Add the pinged vertices at the end, so they are drawn on top
for (size_t v = 0; v < pingingVertices.size(); ++v)
{
addVertex(pingingVertices[v], attrColor, attrPos);
++m_EntitiesDrawn;
}
ENSURE(m_EntitiesDrawn < MAX_ENTITIES_DRAWN);
m_VertexArray.Upload();
}
if (m_EntitiesDrawn > 0)
{
// Don't enable GL_POINT_SMOOTH because it's far too slow
// (~70msec/frame on a GF4 rendering a thousand points)
glPointSize(3.f);
u8* indexBase = m_IndexArray.Bind();
u8* base = m_VertexArray.Bind();
const GLsizei stride = (GLsizei)m_VertexArray.GetStride();
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
shader->VertexPointer(2, GL_FLOAT, stride, base + m_AttributePos.offset);
shader->ColorPointer(4, GL_UNSIGNED_BYTE, stride, base + m_AttributeColor.offset);
shader->AssertPointersBound();
}
else
{
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glDisable(GL_TEXTURE_2D);
glVertexPointer(2, GL_FLOAT, stride, base + m_AttributePos.offset);
glColorPointer(4, GL_UNSIGNED_BYTE, stride, base + m_AttributeColor.offset);
}
if (!g_Renderer.m_SkipSubmit)
{
glDrawElements(GL_POINTS, (GLsizei)(m_EntitiesDrawn), GL_UNSIGNED_SHORT, indexBase);
}
g_Renderer.GetStats().m_DrawCalls++;
CVertexBuffer::Unbind();
}
PROFILE_END("minimap units");
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
tech->EndPass();
CShaderDefines defines;
defines.Add(str_MINIMAP_LINE, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines);
tech->BeginPass();
shader = tech->GetShader();
}
else
{
glEnable(GL_TEXTURE_2D);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
}
DrawViewRect();
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
tech->EndPass();
}
// Reset everything back to normal
glPointSize(1.0f);
glEnable(GL_TEXTURE_2D);
glDepthMask(1);
}
std::vector<entity_id_t> EntitySelection::PickEntitiesAtPoint(CSimulation2& simulation, const CCamera& camera, int screenX, int screenY, player_id_t player, bool allowEditorSelectables)
{
CVector3D origin, dir;
camera.BuildCameraRay(screenX, screenY, origin, dir);
CmpPtr<ICmpRangeManager> cmpRangeManager(simulation, SYSTEM_ENTITY);
ENSURE(cmpRangeManager);
std::vector<std::pair<float, entity_id_t> > hits; // (dist^2, entity) pairs
const CSimulation2::InterfaceListUnordered& ents = simulation.GetEntitiesWithInterfaceUnordered(IID_Selectable);
for (CSimulation2::InterfaceListUnordered::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
entity_id_t ent = it->first;
// Check if this entity is only selectable in Atlas
if (!allowEditorSelectables && static_cast<ICmpSelectable*>(it->second)->IsEditorOnly())
continue;
// Ignore entities hidden by LOS (or otherwise hidden, e.g. when not IsInWorld)
if (cmpRangeManager->GetLosVisibility(ent, player) == ICmpRangeManager::VIS_HIDDEN)
continue;
CmpPtr<ICmpVisual> cmpVisual(simulation.GetSimContext(), ent);
if (!cmpVisual)
continue;
CVector3D center;
float tmin, tmax;
CBoundingBoxOriented selectionBox = cmpVisual->GetSelectionBox();
if (selectionBox.IsEmpty())
{
if (!allowEditorSelectables)
continue;
// Fall back to using old AABB selection method for decals
// see: http://trac.wildfiregames.com/ticket/1032
CBoundingBoxAligned aABBox = cmpVisual->GetBounds();
if (aABBox.IsEmpty())
continue;
if (!aABBox.RayIntersect(origin, dir, tmin, tmax))
continue;
aABBox.GetCentre(center);
}
else
{
if (!selectionBox.RayIntersect(origin, dir, tmin, tmax))
continue;
center = selectionBox.m_Center;
}
// Find the perpendicular distance from the object's centre to the picker ray
float dist2;
CVector3D closest = origin + dir * (center - origin).Dot(dir);
dist2 = (closest - center).LengthSquared();
hits.push_back(std::make_pair(dist2, ent));
}
// Sort hits by distance
std::sort(hits.begin(), hits.end()); // lexicographic comparison
// Extract the entity IDs
std::vector<entity_id_t> hitEnts;
hitEnts.reserve(hits.size());
for (size_t i = 0; i < hits.size(); ++i)
hitEnts.push_back(hits[i].second);
return hitEnts;
}
Status SavedGames::Save(const std::wstring& prefix, CSimulation2& simulation, CGUIManager* gui, int playerID)
{
// Determine the filename to save under
const VfsPath basenameFormat(L"saves/" + prefix + L"-%04d");
const VfsPath filenameFormat = basenameFormat.ChangeExtension(L".0adsave");
VfsPath filename;
// Don't make this a static global like NextNumberedFilename expects, because
// that wouldn't work when 'prefix' changes, and because it's not thread-safe
size_t nextSaveNumber = 0;
vfs::NextNumberedFilename(g_VFS, filenameFormat, nextSaveNumber, filename);
// ArchiveWriter_Zip can only write to OsPaths, not VfsPaths,
// but we'd like to handle saved games via VFS.
// To avoid potential confusion from writing with non-VFS then
// reading the same file with VFS, we'll just write to a temporary
// non-VFS path and then load and save again via VFS,
// which is kind of a hack.
OsPath tempSaveFileRealPath;
WARN_RETURN_STATUS_IF_ERR(g_VFS->GetDirectoryRealPath("cache/", tempSaveFileRealPath));
tempSaveFileRealPath = tempSaveFileRealPath / "temp.0adsave";
time_t now = time(NULL);
// Construct the serialized state to be saved
std::stringstream simStateStream;
if (!simulation.SerializeState(simStateStream))
WARN_RETURN(ERR::FAIL);
CScriptValRooted metadata;
simulation.GetScriptInterface().Eval("({})", metadata);
simulation.GetScriptInterface().SetProperty(metadata.get(), "version_major", SAVED_GAME_VERSION_MAJOR);
simulation.GetScriptInterface().SetProperty(metadata.get(), "version_minor", SAVED_GAME_VERSION_MINOR);
simulation.GetScriptInterface().SetProperty(metadata.get(), "time", (double)now);
simulation.GetScriptInterface().SetProperty(metadata.get(), "player", playerID);
simulation.GetScriptInterface().SetProperty(metadata.get(), "initAttributes", simulation.GetInitAttributes());
if (gui)
{
CScriptVal guiMetadata = simulation.GetScriptInterface().CloneValueFromOtherContext(gui->GetScriptInterface(), gui->GetSavedGameData().get());
simulation.GetScriptInterface().SetProperty(metadata.get(), "gui", guiMetadata);
}
std::string metadataString = simulation.GetScriptInterface().StringifyJSON(metadata.get(), true);
// Write the saved game as zip file containing the various components
PIArchiveWriter archiveWriter = CreateArchiveWriter_Zip(tempSaveFileRealPath, false);
if (!archiveWriter)
WARN_RETURN(ERR::FAIL);
WARN_RETURN_STATUS_IF_ERR(archiveWriter->AddMemory((const u8*)metadataString.c_str(), metadataString.length(), now, "metadata.json"));
WARN_RETURN_STATUS_IF_ERR(archiveWriter->AddMemory((const u8*)simStateStream.str().c_str(), simStateStream.str().length(), now, "simulation.dat"));
archiveWriter.reset(); // close the file
WriteBuffer buffer;
FileInfo tempSaveFile;
WARN_RETURN_STATUS_IF_ERR(GetFileInfo(tempSaveFileRealPath, &tempSaveFile));
buffer.Reserve(tempSaveFile.Size());
WARN_RETURN_STATUS_IF_ERR(io::Load(tempSaveFileRealPath, buffer.Data().get(), buffer.Size()));
WARN_RETURN_STATUS_IF_ERR(g_VFS->CreateFile(filename, buffer.Data(), buffer.Size()));
OsPath realPath;
WARN_RETURN_STATUS_IF_ERR(g_VFS->GetRealPath(filename, realPath));
LOGMESSAGERENDER(L"Saved game to %ls\n", realPath.string().c_str());
return INFO::OK;
}
// TODO: render the minimap in a framebuffer and just draw the frambuffer texture
// most of the time, updating the framebuffer twice a frame.
// Here it updates as ping-pong either texture or vertex array each sec to lower gpu stalling
// (those operations cause a gpu sync, which slows down the way gpu works)
void CMiniMap::Draw()
{
PROFILE3("render minimap");
// The terrain isn't actually initialized until the map is loaded, which
// happens when the game is started, so abort until then.
if (!(GetGUI() && g_Game && g_Game->IsGameStarted()))
return;
CSimulation2* sim = g_Game->GetSimulation2();
CmpPtr<ICmpRangeManager> cmpRangeManager(*sim, SYSTEM_ENTITY);
ENSURE(cmpRangeManager);
// Set our globals in case they hadn't been set before
m_Camera = g_Game->GetView()->GetCamera();
m_Terrain = g_Game->GetWorld()->GetTerrain();
m_Width = (u32)(m_CachedActualSize.right - m_CachedActualSize.left);
m_Height = (u32)(m_CachedActualSize.bottom - m_CachedActualSize.top);
m_MapSize = m_Terrain->GetVerticesPerSide();
m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize);
m_MapScale = (cmpRangeManager->GetLosCircular() ? 1.f : 1.414f);
if (!m_TerrainTexture || g_GameRestarted)
CreateTextures();
// only update 2x / second
// (note: since units only move a few pixels per second on the minimap,
// we can get away with infrequent updates; this is slow)
// TODO: Update all but camera at same speed as simulation
static double last_time;
const double cur_time = timer_Time();
const bool doUpdate = cur_time - last_time > 0.5;
if (doUpdate)
{
last_time = cur_time;
if (m_TerrainDirty)
RebuildTerrainTexture();
}
const float x = m_CachedActualSize.left, y = m_CachedActualSize.bottom;
const float x2 = m_CachedActualSize.right, y2 = m_CachedActualSize.top;
const float z = GetBufferedZ();
const float texCoordMax = (float)(m_MapSize - 1) / (float)m_TextureSize;
const float angle = GetAngle();
const float unitScale = (cmpRangeManager->GetLosCircular() ? 1.f : m_MapScale/2.f);
// Disable depth updates to prevent apparent z-fighting-related issues
// with some drivers causing units to get drawn behind the texture.
glDepthMask(0);
CShaderProgramPtr shader;
CShaderTechniquePtr tech;
CShaderDefines baseDefines;
baseDefines.Add(str_MINIMAP_BASE, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), baseDefines);
tech->BeginPass();
shader = tech->GetShader();
// Draw the main textured quad
shader->BindTexture(str_baseTex, m_TerrainTexture);
const CMatrix3D baseTransform = GetDefaultGuiMatrix();
CMatrix3D baseTextureTransform;
baseTextureTransform.SetIdentity();
shader->Uniform(str_transform, baseTransform);
shader->Uniform(str_textureTransform, baseTextureTransform);
DrawTexture(shader, texCoordMax, angle, x, y, x2, y2, z);
// Draw territory boundaries
glEnable(GL_BLEND);
CTerritoryTexture& territoryTexture = g_Game->GetView()->GetTerritoryTexture();
shader->BindTexture(str_baseTex, territoryTexture.GetTexture());
const CMatrix3D* territoryTransform = territoryTexture.GetMinimapTextureMatrix();
shader->Uniform(str_transform, baseTransform);
shader->Uniform(str_textureTransform, *territoryTransform);
DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z);
tech->EndPass();
// Draw the LOS quad in black, using alpha values from the LOS texture
CLOSTexture& losTexture = g_Game->GetView()->GetLOSTexture();
CShaderDefines losDefines;
losDefines.Add(str_MINIMAP_LOS, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), losDefines);
tech->BeginPass();
shader = tech->GetShader();
shader->BindTexture(str_baseTex, losTexture.GetTexture());
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
const CMatrix3D* losTransform = losTexture.GetMinimapTextureMatrix();
shader->Uniform(str_transform, baseTransform);
shader->Uniform(str_textureTransform, *losTransform);
DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z);
tech->EndPass();
glDisable(GL_BLEND);
PROFILE_START("minimap units");
CShaderDefines pointDefines;
pointDefines.Add(str_MINIMAP_POINT, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), pointDefines);
tech->BeginPass();
shader = tech->GetShader();
shader->Uniform(str_transform, baseTransform);
shader->Uniform(str_pointSize, 3.f);
CMatrix3D unitMatrix;
unitMatrix.SetIdentity();
// Center the minimap on the origin of the axis of rotation.
unitMatrix.Translate(-(x2 - x) / 2.f, -(y2 - y) / 2.f, 0.f);
// Rotate the map.
unitMatrix.RotateZ(angle);
// Scale square maps to fit.
unitMatrix.Scale(unitScale, unitScale, 1.f);
// Move the minimap back to it's starting position.
unitMatrix.Translate((x2 - x) / 2.f, (y2 - y) / 2.f, 0.f);
// Move the minimap to it's final location.
unitMatrix.Translate(x, y, z);
// Apply the gui matrix.
unitMatrix *= GetDefaultGuiMatrix();
// Load the transform into the shader.
shader->Uniform(str_transform, unitMatrix);
const float sx = (float)m_Width / ((m_MapSize - 1) * TERRAIN_TILE_SIZE);
const float sy = (float)m_Height / ((m_MapSize - 1) * TERRAIN_TILE_SIZE);
CSimulation2::InterfaceList ents = sim->GetEntitiesWithInterface(IID_Minimap);
if (doUpdate)
{
VertexArrayIterator<float[2]> attrPos = m_AttributePos.GetIterator<float[2]>();
VertexArrayIterator<u8[4]> attrColor = m_AttributeColor.GetIterator<u8[4]>();
m_EntitiesDrawn = 0;
MinimapUnitVertex v;
std::vector<MinimapUnitVertex> pingingVertices;
pingingVertices.reserve(MAX_ENTITIES_DRAWN / 2);
if (cur_time > m_NextBlinkTime)
{
m_BlinkState = !m_BlinkState;
m_NextBlinkTime = cur_time + m_HalfBlinkDuration;
}
entity_pos_t posX, posZ;
for (CSimulation2::InterfaceList::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
ICmpMinimap* cmpMinimap = static_cast<ICmpMinimap*>(it->second);
if (cmpMinimap->GetRenderData(v.r, v.g, v.b, posX, posZ))
{
ICmpRangeManager::ELosVisibility vis = cmpRangeManager->GetLosVisibility(it->first, g_Game->GetPlayerID());
if (vis != ICmpRangeManager::VIS_HIDDEN)
{
v.a = 255;
v.x = posX.ToFloat() * sx;
v.y = -posZ.ToFloat() * sy;
// Check minimap pinging to indicate something
if (m_BlinkState && cmpMinimap->CheckPing(cur_time, m_PingDuration))
{
v.r = 255; // ping color is white
v.g = 255;
v.b = 255;
pingingVertices.push_back(v);
}
else
{
addVertex(v, attrColor, attrPos);
++m_EntitiesDrawn;
}
}
}
}
// Add the pinged vertices at the end, so they are drawn on top
for (size_t v = 0; v < pingingVertices.size(); ++v)
{
addVertex(pingingVertices[v], attrColor, attrPos);
++m_EntitiesDrawn;
}
ENSURE(m_EntitiesDrawn < MAX_ENTITIES_DRAWN);
m_VertexArray.Upload();
}
m_VertexArray.PrepareForRendering();
if (m_EntitiesDrawn > 0)
{
#if !CONFIG2_GLES
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
#endif
u8* indexBase = m_IndexArray.Bind();
u8* base = m_VertexArray.Bind();
const GLsizei stride = (GLsizei)m_VertexArray.GetStride();
shader->VertexPointer(2, GL_FLOAT, stride, base + m_AttributePos.offset);
shader->ColorPointer(4, GL_UNSIGNED_BYTE, stride, base + m_AttributeColor.offset);
shader->AssertPointersBound();
if (!g_Renderer.m_SkipSubmit)
glDrawElements(GL_POINTS, (GLsizei)(m_EntitiesDrawn), GL_UNSIGNED_SHORT, indexBase);
g_Renderer.GetStats().m_DrawCalls++;
CVertexBuffer::Unbind();
#if !CONFIG2_GLES
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
glDisable(GL_VERTEX_PROGRAM_POINT_SIZE);
#endif
}
tech->EndPass();
DrawViewRect(unitMatrix);
PROFILE_END("minimap units");
// Reset depth mask
glDepthMask(1);
}
// Simplistic implementation of the Scene interface
virtual void EnumerateObjects(const CFrustum& frustum, SceneCollector* c)
{
if (GroundEnabled)
{
for (ssize_t pj = 0; pj < Terrain.GetPatchesPerSide(); ++pj)
for (ssize_t pi = 0; pi < Terrain.GetPatchesPerSide(); ++pi)
c->Submit(Terrain.GetPatch(pi, pj));
}
CmpPtr<ICmpVisual> cmpVisual(Simulation2, Entity);
if (cmpVisual)
{
// add selection box outlines manually
if (SelectionBoxEnabled)
{
SelectionBoxOverlay.m_Color = CColor(35/255.f, 86/255.f, 188/255.f, .75f); // pretty blue
SelectionBoxOverlay.m_Thickness = 2;
SimRender::ConstructBoxOutline(cmpVisual->GetSelectionBox(), SelectionBoxOverlay);
c->Submit(&SelectionBoxOverlay);
}
// add origin axis thingy
if (AxesMarkerEnabled)
{
CMatrix3D worldSpaceAxes;
// offset from the ground a little bit to prevent fighting with the floor texture (also note: SetTranslation
// sets the identity 3x3 transformation matrix, which are the world axes)
worldSpaceAxes.SetTranslation(cmpVisual->GetPosition() + CVector3D(0, 0.02f, 0));
SimRender::ConstructAxesMarker(worldSpaceAxes, AxesMarkerOverlays[0], AxesMarkerOverlays[1], AxesMarkerOverlays[2]);
c->Submit(&AxesMarkerOverlays[0]);
c->Submit(&AxesMarkerOverlays[1]);
c->Submit(&AxesMarkerOverlays[2]);
}
// add prop point overlays
if (PropPointsMode > 0 && Props.size() > 0)
{
PropPointOverlays.clear(); // doesn't clear capacity, but should be ok since the number of prop points is usually pretty limited
for (size_t i = 0; i < Props.size(); ++i)
{
CModel::Prop& prop = Props[i];
if (prop.m_Model) // should always be the case
{
// prop point positions are automatically updated during animations etc. by CModel::ValidatePosition
const CMatrix3D& propCoordSystem = prop.m_Model->GetTransform();
SOverlayLine pointGimbal;
pointGimbal.m_Color = CColor(1.f, 0.f, 1.f, 1.f);
SimRender::ConstructGimbal(propCoordSystem.GetTranslation(), 0.05f, pointGimbal);
PropPointOverlays.push_back(pointGimbal);
if (PropPointsMode > 1)
{
// scale the prop axes coord system down a bit to distinguish them from the main world-space axes markers
CMatrix3D displayCoordSystem = propCoordSystem;
displayCoordSystem.Scale(0.5f, 0.5f, 0.5f);
// revert translation scaling
displayCoordSystem._14 = propCoordSystem._14;
displayCoordSystem._24 = propCoordSystem._24;
displayCoordSystem._34 = propCoordSystem._34;
// construct an XYZ axes marker for the prop's coordinate system
SOverlayLine xAxis, yAxis, zAxis;
SimRender::ConstructAxesMarker(displayCoordSystem, xAxis, yAxis, zAxis);
PropPointOverlays.push_back(xAxis);
PropPointOverlays.push_back(yAxis);
PropPointOverlays.push_back(zAxis);
}
}
}
for (size_t i = 0; i < PropPointOverlays.size(); ++i)
{
c->Submit(&PropPointOverlays[i]);
}
}
}
// send a RenderSubmit message so the components can submit their visuals to the renderer
Simulation2.RenderSubmit(*c, frustum, false);
}
std::vector<entity_id_t> EntitySelection::PickSimilarEntities(CSimulation2& simulation, const CCamera& camera,
const std::string& templateName, player_id_t owner, bool includeOffScreen, bool matchRank,
bool allowEditorSelectables, bool allowFoundations)
{
PROFILE2("PickSimilarEntities");
CmpPtr<ICmpTemplateManager> cmpTemplateManager(simulation, SYSTEM_ENTITY);
CmpPtr<ICmpRangeManager> cmpRangeManager(simulation, SYSTEM_ENTITY);
std::vector<entity_id_t> hitEnts;
const CSimulation2::InterfaceListUnordered& ents = simulation.GetEntitiesWithInterfaceUnordered(IID_Selectable);
for (CSimulation2::InterfaceListUnordered::const_iterator it = ents.begin(); it != ents.end(); ++it)
{
entity_id_t ent = it->first;
CEntityHandle handle = it->second->GetEntityHandle();
// Check if this entity is only selectable in Atlas
if (static_cast<ICmpSelectable*>(it->second)->IsEditorOnly() && !allowEditorSelectables)
continue;
if (matchRank)
{
// Exact template name matching, optionally also allowing foundations
std::string curTemplateName = cmpTemplateManager->GetCurrentTemplateName(ent);
bool matches = (curTemplateName == templateName ||
(allowFoundations && curTemplateName.substr(0, 11) == "foundation|" && curTemplateName.substr(11) == templateName));
if (!matches)
continue;
}
// Ignore entities hidden by LOS (or otherwise hidden, e.g. when not IsInWorld)
// In this case, the checking is done to avoid selecting garrisoned units
if (cmpRangeManager->GetLosVisibility(handle, owner) == ICmpRangeManager::VIS_HIDDEN)
continue;
// Ignore entities not owned by 'owner'
CmpPtr<ICmpOwnership> cmpOwnership(simulation.GetSimContext(), ent);
if (owner != INVALID_PLAYER && (!cmpOwnership || cmpOwnership->GetOwner() != owner))
continue;
// Ignore off screen entities
if (!includeOffScreen)
{
// Find the current interpolated model position.
CmpPtr<ICmpVisual> cmpVisual(simulation.GetSimContext(), ent);
if (!cmpVisual)
continue;
CVector3D position = cmpVisual->GetPosition();
// Reject if it's not on-screen (e.g. it's behind the camera)
if (!camera.GetFrustum().IsPointVisible(position))
continue;
}
if (!matchRank)
{
// Match by selection group name
// (This is relatively expensive since it involves script calls, so do it after all other tests)
CmpPtr<ICmpIdentity> cmpIdentity(simulation.GetSimContext(), ent);
if (!cmpIdentity || cmpIdentity->GetSelectionGroupName() != templateName)
continue;
}
hitEnts.push_back(ent);
}
return hitEnts;
}
