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Gorilla.cpp
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Gorilla.cpp
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/*
Gorilla
-------
Copyright (c) 2010 Robin Southern
Additional contributions by:
- Murat Sari
- Nigel Atkinson
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "Gorilla.h"
#pragma warning ( disable : 4244 )
#if OGRE_VERSION < 67584 // 1.8.0
template<> Gorilla::Silverback* Ogre::Singleton<Gorilla::Silverback>::ms_Singleton = 0;
#else
template<> Gorilla::Silverback* Ogre::Singleton<Gorilla::Silverback>::msSingleton = 0;
#endif
#define PUSH_VERTEX(VERTICES, VERTEX, X, Y, UV, COLOUR) \
VERTEX.position.x = X; \
VERTEX.position.y = Y; \
VERTEX.position.z = 0; \
VERTEX.uv.x = UV.x; \
VERTEX.uv.y = UV.y; \
VERTEX.colour = COLOUR; \
VERTICES.push_back(VERTEX);
#define PUSH_TRIANGLE(VERTICES, VERTEX, A, B, C, UV, COLOUR) \
PUSH_VERTEX(VERTICES, VERTEX, A.x, A.y, UV, COLOUR) \
PUSH_VERTEX(VERTICES, VERTEX, B.x, B.y, UV, COLOUR) \
PUSH_VERTEX(VERTICES, VERTEX, C.x, C.y, UV, COLOUR)
#define PUSH_QUAD(VERTICES, VERTEX, POSITIONS, COLOURS, UV) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[3].x, POSITIONS[3].y, UV[3], COLOURS[3]) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[1].x, POSITIONS[1].y, UV[1], COLOURS[1]) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[0].x, POSITIONS[0].y, UV[0], COLOURS[0]) \
\
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[3].x, POSITIONS[3].y, UV[3], COLOURS[3]) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[2].x, POSITIONS[2].y, UV[2], COLOURS[2]) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[1].x, POSITIONS[1].y, UV[1], COLOURS[1])
#define PUSH_QUAD2(VERTICES, VERTEX, POSITIONS, COLOUR, UV) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[3].x, POSITIONS[3].y, UV[3], COLOUR) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[1].x, POSITIONS[1].y, UV[1], COLOUR) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[0].x, POSITIONS[0].y, UV[0], COLOUR) \
\
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[3].x, POSITIONS[3].y, UV[3], COLOUR) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[2].x, POSITIONS[2].y, UV[2], COLOUR) \
PUSH_VERTEX(VERTICES, VERTEX, POSITIONS[1].x, POSITIONS[1].y, UV[1], COLOUR)
namespace Gorilla
{
enum
{
SCREEN_RENDERQUEUE = Ogre::RENDER_QUEUE_OVERLAY
};
Ogre::ColourValue rgb(Ogre::uchar r, Ogre::uchar g, Ogre::uchar b, Ogre::uchar a )
{
static const Ogre::Real inv255 = Ogre::Real(0.00392156863);
return Ogre::ColourValue(Ogre::Real(r) * inv255, Ogre::Real(g) * inv255, Ogre::Real(b) * inv255, Ogre::Real(a) * inv255);
}
Ogre::ColourValue webcolour(Colours::Colour web_colour, Ogre::Real alpha)
{
static const Ogre::Real inv255 = Ogre::Real(0.00392156863);
Ogre::ColourValue ret;
ret.b = Ogre::Real(web_colour & 0xFF) * inv255;
ret.g = Ogre::Real((web_colour >> 8) & 0xFF) * inv255;
ret.r = Ogre::Real((web_colour >> 16) & 0xFF) * inv255;
ret.a = alpha;
return ret;
}
TextureAtlas::TextureAtlas(const Ogre::String& gorillaFile, const Ogre::String& groupName)
{
_reset();
_load(gorillaFile, groupName);
_calculateCoordinates();
_create2DMaterial();
_create3DMaterial();
}
TextureAtlas::~TextureAtlas()
{
for (std::map<Ogre::uint, GlyphData*>::iterator it = mGlyphData.begin(); it != mGlyphData.end(); it++)
{
OGRE_DELETE (*it).second;
}
for (std::map<Ogre::String, Sprite*>::iterator it = mSprites.begin(); it != mSprites.end(); it++)
{
OGRE_DELETE (*it).second;
}
}
void TextureAtlas::_reset()
{
refreshMarkupColours();
}
void TextureAtlas::_load(const Ogre::String& gorillaFile, const Ogre::String& groupName)
{
Ogre::ConfigFile f;
f.loadFromResourceSystem(gorillaFile, groupName, " ", true);
Ogre::ConfigFile::SectionIterator seci = f.getSectionIterator();
Ogre::String secName;
while (seci.hasMoreElements())
{
secName = seci.peekNextKey();
Ogre::ConfigFile::SettingsMultiMap *settings = seci.getNext();
Ogre::StringUtil::toLowerCase(secName);
if (secName == "texture")
{
settings->find("file")->second.append("~" + groupName);
_loadTexture(settings);
}
else if (Ogre::StringUtil::startsWith(secName, "font.", false))
{
Ogre::uint index = Ogre::StringConverter::parseUnsignedInt(secName.substr(5));
GlyphData* glyphData = OGRE_NEW GlyphData();
mGlyphData[index] = glyphData;
_loadGlyphs(settings, glyphData);
_loadKerning(settings, glyphData);
_loadVerticalOffsets(settings, glyphData);
}
else if (secName == "sprites")
_loadSprites(settings);
}
}
void TextureAtlas::_loadTexture(Ogre::ConfigFile::SettingsMultiMap* settings)
{
Ogre::String name, data;
Ogre::ConfigFile::SettingsMultiMap::iterator i;
for (i = settings->begin(); i != settings->end(); ++i)
{
name = i->first;
data = i->second;
size_t comment = data.find_first_of('#');
if (comment != std::string::npos)
data = data.substr(0, comment);
Ogre::StringUtil::toLowerCase(name);
// file texturename ~groupname
// > file myatlas.png
// > file myatlas.png ~loadinggroup
if (name == "file")
{
Ogre::String textureName = data;
Ogre::String groupName = Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME;
size_t groupSplit = data.find_first_of('~');
if (groupSplit != std::string::npos)
{
textureName = data.substr(0, groupSplit);
groupName = data.substr(groupSplit+1);
Ogre::StringUtil::trim(textureName);
Ogre::StringUtil::trim(groupName);
}
#if OGRE_VERSION <= 67077 // If the version is less than or equal to 1.6.5
mTexture = Ogre::TextureManager::getSingletonPtr()->getByName(data);
#else
mTexture = Ogre::TextureManager::getSingletonPtr()->getByName(data, groupName);
#endif
if (mTexture.isNull())
mTexture = Ogre::TextureManager::getSingletonPtr()->load(textureName, groupName);
mInverseTextureSize.x = 1.0f / mTexture->getWidth();
mInverseTextureSize.y = 1.0f / mTexture->getHeight();
continue;
}
// layer x y
// > layer 100 105
else if (name == "whitepixel")
{
mWhitePixel = Ogre::StringConverter::parseVector2(data);
mWhitePixel.x *= mInverseTextureSize.x;
mWhitePixel.y *= mInverseTextureSize.y;
}
}
}
void TextureAtlas::_loadGlyphs(Ogre::ConfigFile::SettingsMultiMap* settings, GlyphData* glyphData)
{
Ogre::String name, data;
Ogre::ConfigFile::SettingsMultiMap::iterator i;
Ogre::StringVector str_values;
Ogre::Vector2 offset(0,0);
for (i = settings->begin(); i != settings->end(); ++i)
{
name = i->first;
data = i->second;
size_t comment = data.find_first_of('#');
if (comment != std::string::npos)
data = data.substr(0, comment);
Ogre::StringUtil::toLowerCase(name);
// lineheight x y
// > offset 0 80
if (name == "offset")
{
offset = Ogre::StringConverter::parseVector2(data);
continue;
}
// lineheight lineheight
// > lineheight 15
else if (name == "lineheight")
{
glyphData->mLineHeight = Ogre::StringConverter::parseReal(data);
continue;
}
// spacelength spacelength
// > spacelength 3
else if (name == "spacelength")
{
glyphData->mSpaceLength = Ogre::StringConverter::parseReal(data);
continue;
}
// baseline baseline
// > baseline 3
else if (name == "baseline")
{
glyphData->mBaseline = Ogre::StringConverter::parseReal(data);
continue;
}
// linespacing linespacing
// > linespacing 2
else if (name == "linespacing")
{
glyphData->mLineSpacing = Ogre::StringConverter::parseReal(data);
continue;
}
// monowidth width
// > monowidth 3
else if (name == "monowidth")
{
glyphData->mMonoWidth = Ogre::StringConverter::parseReal(data);
continue;
}
// range lower upper
// > range 33 126
else if (name == "range")
{
Ogre::Vector2 t = Ogre::StringConverter::parseVector2(data);
glyphData->mRangeBegin = t.x;
glyphData->mRangeEnd = t.y;
}
// kerning kerning
// > kerning -1
else if (name == "letterspacing")
{
glyphData->mLetterSpacing = Ogre::StringConverter::parseReal(data);
}
}
for (Ogre::uint index = glyphData->mRangeBegin; index <= glyphData->mRangeEnd; index++)
{
Glyph* glyph = OGRE_NEW Glyph();
glyphData->mGlyphs.push_back(glyph);
std::stringstream s;
s << "glyph_" << index;
i = settings->find(s.str());
if (i == settings->end())
continue;
str_values = Ogre::StringUtil::split((*i).second, " ", 5);
if (str_values.size() < 4)
{
//std::cout << "[Gorilla] Glyph #" << (*i).second << " does not have enough properties.\n";
continue;
}
glyph->uvLeft = offset.x + Ogre::StringConverter::parseReal( str_values[0] );
glyph->uvTop = offset.y + Ogre::StringConverter::parseReal( str_values[1] );
glyph->uvWidth = Ogre::StringConverter::parseReal( str_values[2] );
glyph->uvHeight = Ogre::StringConverter::parseReal( str_values[3] );
glyph->uvRight = glyph->uvLeft + glyph->uvWidth;
glyph->uvBottom = glyph->uvTop + glyph->uvHeight;
if (str_values.size() == 5)
glyph->glyphAdvance = Ogre::StringConverter::parseInt( str_values[4] );
else
glyph->glyphAdvance = glyph->uvWidth;
}
}
void TextureAtlas::_loadKerning(Ogre::ConfigFile::SettingsMultiMap* settings, GlyphData* glyphData)
{
Ogre::String left_name, data;
Ogre::ConfigFile::SettingsMultiMap::iterator i;
Ogre::uint left_glyph_id;
Ogre::uint right_glyph_id;
int kerning;
Ogre::StringVector str_values;
for (i = settings->begin(); i != settings->end(); ++i)
{
left_name = i->first;
data = i->second;
Ogre::StringUtil::toLowerCase(left_name);
if (left_name.substr(0,6) != "kerning_")
continue;
size_t comment = data.find_first_of('#');
if (comment != std::string::npos)
data = data.substr(0, comment);
left_name = left_name.substr(8); // chop of kerning_
left_glyph_id = Ogre::StringConverter::parseUnsignedInt(left_name);
str_values = Ogre::StringUtil::split(data, " ", 2);
if (str_values.size() != 2)
{
//std::cout << "[Gorilla] Kerning Glyph #" << left_name << " does not have enough properties\n";
continue;
}
right_glyph_id = Ogre::StringConverter::parseUnsignedInt(str_values[0]);
kerning = Ogre::StringConverter::parseInt(str_values[1]);
glyphData->mGlyphs[right_glyph_id - glyphData->mRangeBegin]->kerning.push_back(Kerning(left_glyph_id, kerning));
}
}
void TextureAtlas::_loadVerticalOffsets(Ogre::ConfigFile::SettingsMultiMap* settings, GlyphData* glyphData)
{
Ogre::String left_name, data;
Ogre::ConfigFile::SettingsMultiMap::iterator i;
Ogre::uint glyph_id;
int verticalOffset;
for (i = settings->begin(); i != settings->end(); ++i)
{
left_name = i->first;
data = i->second;
Ogre::StringUtil::toLowerCase(left_name);
if (left_name.substr(0,15) != "verticaloffset_")
continue;
size_t comment = data.find_first_of('#');
if (comment != std::string::npos)
data = data.substr(0, comment);
left_name = left_name.substr(15); // chop of verticalOffset_
glyph_id = Ogre::StringConverter::parseUnsignedInt(left_name);
verticalOffset = Ogre::StringConverter::parseInt(data);
glyphData->getGlyph(glyph_id)->verticalOffset = verticalOffset;
}
}
void TextureAtlas::_loadSprites(Ogre::ConfigFile::SettingsMultiMap* settings)
{
Ogre::String sprite_name, data;
Ogre::ConfigFile::SettingsMultiMap::iterator i;
Ogre::StringVector str_values;
for (i = settings->begin(); i != settings->end(); ++i)
{
sprite_name = i->first;
data = i->second;
size_t comment = data.find_first_of('#');
if (comment != std::string::npos)
data = data.substr(0, comment);
str_values = Ogre::StringUtil::split(data, " ", 4);
if (str_values.size() != 4)
{
//std::cout << "[Gorilla] Sprite #" << sprite_name << " does not have enough properties\n" << data << "\n";
continue;
}
Sprite* sprite = OGRE_NEW Sprite();
sprite->uvLeft = Ogre::StringConverter::parseUnsignedInt(str_values[0]);
sprite->uvTop = Ogre::StringConverter::parseUnsignedInt(str_values[1]);
sprite->spriteWidth = Ogre::StringConverter::parseUnsignedInt(str_values[2]);
sprite->spriteHeight = Ogre::StringConverter::parseUnsignedInt(str_values[3]);
mSprites[sprite_name] = sprite;
}
}
Ogre::MaterialPtr TextureAtlas::createOrGet2DMasterMaterial()
{
Ogre::MaterialPtr d2Material = Ogre::MaterialManager::getSingletonPtr()->getByName("Gorilla2D");
if (d2Material.isNull() == false)
{
Ogre::Pass* pass = d2Material->getTechnique(0)->getPass(0);
if(pass->hasVertexProgram())
{
Ogre::GpuProgramPtr gpuPtr = pass->getVertexProgram();
gpuPtr->load();
}
if(pass->hasFragmentProgram())
{
Ogre::GpuProgramPtr gpuPtr = pass->getFragmentProgram();
gpuPtr->load();
}
return d2Material;
}
d2Material = Ogre::MaterialManager::getSingletonPtr()->create("Gorilla2D", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::Pass* pass = d2Material->getTechnique(0)->getPass(0);
pass->setCullingMode(Ogre::CULL_NONE);
pass->setDepthCheckEnabled(false);
pass->setDepthWriteEnabled(false);
pass->setLightingEnabled(false);
pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
Ogre::TextureUnitState* texUnit = pass->createTextureUnitState();
texUnit->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
texUnit->setTextureFiltering(Ogre::FO_NONE, Ogre::FO_NONE, Ogre::FO_NONE);
return d2Material;
}
Ogre::MaterialPtr TextureAtlas::createOrGet3DMasterMaterial()
{
Ogre::MaterialPtr d3Material = Ogre::MaterialManager::getSingletonPtr()->getByName("Gorilla3D");
if (d3Material.isNull() == false)
{
Ogre::Pass* pass = d3Material->getTechnique(0)->getPass(0);
if(pass->hasVertexProgram())
{
Ogre::GpuProgramPtr gpuPtr = pass->getVertexProgram();
gpuPtr->load();
}
if(pass->hasFragmentProgram())
{
Ogre::GpuProgramPtr gpuPtr = pass->getFragmentProgram();
gpuPtr->load();
}
return d3Material;
}
d3Material = Ogre::MaterialManager::getSingletonPtr()->create("Gorilla3D", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::Pass* pass = d3Material->getTechnique(0)->getPass(0);
pass->setCullingMode(Ogre::CULL_NONE);
pass->setDepthCheckEnabled(false);
pass->setDepthWriteEnabled(false);
pass->setLightingEnabled(false);
pass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
Ogre::TextureUnitState* texUnit = pass->createTextureUnitState();
texUnit->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP);
texUnit->setTextureFiltering(Ogre::FO_ANISOTROPIC, Ogre::FO_ANISOTROPIC, Ogre::FO_ANISOTROPIC);
return d3Material;
}
void TextureAtlas::_create2DMaterial()
{
std::string matName = "Gorilla2D." + mTexture->getName();
m2DMaterial = Ogre::MaterialManager::getSingletonPtr()->getByName(matName);
if (m2DMaterial.isNull())
m2DMaterial = createOrGet2DMasterMaterial()->clone(matName);
m2DPass = m2DMaterial->getTechnique(0)->getPass(0);
m2DPass->getTextureUnitState(0)->setTextureName(mTexture->getName());
}
void TextureAtlas::_create3DMaterial()
{
std::string matName = "Gorilla3D." + mTexture->getName();
m3DMaterial = Ogre::MaterialManager::getSingletonPtr()->getByName(matName);
if (m3DMaterial.isNull())
m3DMaterial = createOrGet3DMasterMaterial()->clone(matName);
m3DPass = m3DMaterial->getTechnique(0)->getPass(0);
m3DPass->getTextureUnitState(0)->setTextureName(mTexture->getName());
}
void TextureAtlas::_calculateCoordinates()
{
Ogre::RenderSystem* rs = Ogre::Root::getSingletonPtr()->getRenderSystem();
Ogre::Real texelX = rs->getHorizontalTexelOffset(),
texelY = rs->getVerticalTexelOffset();
for (std::map<Ogre::uint, GlyphData*>::iterator gd_it = mGlyphData.begin(); gd_it != mGlyphData.end(); gd_it++)
{
for(std::vector<Glyph*>::iterator it = (*gd_it).second->mGlyphs.begin(); it != (*gd_it).second->mGlyphs.end(); it++)
{
(*it)->uvLeft -= texelX;
(*it)->uvTop -= texelY;
(*it)->uvRight += texelX;
(*it)->uvBottom += texelY;
(*it)->uvLeft *= mInverseTextureSize.x;
(*it)->uvTop *= mInverseTextureSize.y;
(*it)->uvRight *= mInverseTextureSize.x;
(*it)->uvBottom *= mInverseTextureSize.y;
(*it)->texCoords[TopLeft].x = (*it)->uvLeft;
(*it)->texCoords[TopLeft].y = (*it)->uvTop;
(*it)->texCoords[TopRight].x = (*it)->uvRight;
(*it)->texCoords[TopRight].y = (*it)->uvTop;
(*it)->texCoords[BottomRight].x = (*it)->uvRight;
(*it)->texCoords[BottomRight].y = (*it)->uvBottom;
(*it)->texCoords[BottomLeft].x = (*it)->uvLeft;
(*it)->texCoords[BottomLeft].y = (*it)->uvBottom;
(*it)->glyphWidth = (*it)->uvWidth;
(*it)->glyphHeight = (*it)->uvHeight;
}
}
for (std::map<Ogre::String, Sprite*>::iterator it = mSprites.begin(); it != mSprites.end(); it++)
{
(*it).second->uvRight = (*it).second->uvLeft + (*it).second->spriteWidth;
(*it).second->uvBottom = (*it).second->uvTop + (*it).second->spriteHeight;
(*it).second->uvLeft *= mInverseTextureSize.x;
(*it).second->uvTop *= mInverseTextureSize.y;
(*it).second->uvRight *= mInverseTextureSize.x;
(*it).second->uvBottom *= mInverseTextureSize.y;
(*it).second->texCoords[TopLeft].x = (*it).second->uvLeft;
(*it).second->texCoords[TopLeft].y = (*it).second->uvTop;
(*it).second->texCoords[TopRight].x = (*it).second->uvRight;
(*it).second->texCoords[TopRight].y = (*it).second->uvTop;
(*it).second->texCoords[BottomRight].x = (*it).second->uvRight;
(*it).second->texCoords[BottomRight].y = (*it).second->uvBottom;
(*it).second->texCoords[BottomLeft].x = (*it).second->uvLeft;
(*it).second->texCoords[BottomLeft].y = (*it).second->uvBottom;
}
}
void TextureAtlas::refreshMarkupColours()
{
mMarkupColour[0] = rgb(255, 255, 255);
mMarkupColour[1] = rgb(0, 0, 0);
mMarkupColour[2] = rgb(204, 204, 204);
mMarkupColour[3] = rgb(254, 220, 129);
mMarkupColour[4] = rgb(254, 138, 129);
mMarkupColour[5] = rgb(123, 236, 110);
mMarkupColour[6] = rgb(44, 192, 171);
mMarkupColour[7] = rgb(199, 93, 142);
mMarkupColour[8] = rgb(254, 254, 254);
mMarkupColour[9] = rgb(13, 13, 13);
}
void TextureAtlas::setMarkupColour(Ogre::uint index, const Ogre::ColourValue& colour)
{
if (index > 9)
return;
mMarkupColour[index] = colour;
}
const Ogre::ColourValue &TextureAtlas::getMarkupColour(Ogre::uint index) const
{
if (index > 9)
return Ogre::ColourValue::White;
return mMarkupColour[index];
}
GlyphData::GlyphData()
: mRangeBegin(0),
mRangeEnd(0),
mSpaceLength(0),
mLineHeight(0),
mBaseline(0),
mLineSpacing(0),
mLetterSpacing(0),
mMonoWidth(0)
{
}
GlyphData::~GlyphData()
{
for (std::vector<Glyph*>::iterator it = mGlyphs.begin(); it != mGlyphs.end(); it++)
{
OGRE_DELETE (*it);
}
}
Silverback::Silverback()
{
Ogre::Root::getSingletonPtr()->addFrameListener(this);
}
Silverback::~Silverback()
{
Ogre::Root::getSingletonPtr()->removeFrameListener(this);
// Delete Screens.
for (std::vector<Screen*>::iterator it = mScreens.begin(); it != mScreens.end(); it++)
OGRE_DELETE (*it);
mScreens.clear();
// Delete Screens.
for (std::vector<ScreenRenderable*>::iterator it = mScreenRenderables.begin(); it != mScreenRenderables.end(); it++)
OGRE_DELETE (*it);
mScreenRenderables.clear();
// Delete Atlases.
for (std::map<Ogre::String, TextureAtlas*>::iterator it = mAtlases.begin(); it != mAtlases.end(); it++)
OGRE_DELETE (*it).second;
mAtlases.clear();
}
void Silverback::loadAtlas(const Ogre::String &name, const Ogre::String &group)
{
TextureAtlas* atlas = OGRE_NEW TextureAtlas(name + ".gorilla", group);
mAtlases[name] = atlas;
}
Screen* Silverback::createScreen(Ogre::Viewport* viewport, const Ogre::String& atlas_name)
{
TextureAtlas* atlas = (*mAtlases.find(atlas_name)).second;
return createScreen(viewport, atlas);
}
Screen* Silverback::createScreen(Ogre::Viewport *viewport, TextureAtlas *atlas)
{
Screen* screen = OGRE_NEW Screen(viewport, atlas);
mScreens.push_back(screen);
return screen;
}
ScreenRenderable* Silverback::createScreenRenderable(const Ogre::Vector2& maxSize, const Ogre::String& atlas_name)
{
TextureAtlas* atlas = (*mAtlases.find(atlas_name)).second;
ScreenRenderable* screen = OGRE_NEW ScreenRenderable(maxSize, atlas);
mScreenRenderables.push_back(screen);
return screen;
}
void Silverback::destroyScreen(Screen* screen)
{
if (screen == 0)
return;
mScreens.erase(std::find(mScreens.begin(), mScreens.end(), screen));
OGRE_DELETE screen;
}
void Silverback::destroyScreenRenderable(ScreenRenderable* screen_renderables)
{
mScreenRenderables.erase(std::find(mScreenRenderables.begin(), mScreenRenderables.end(), screen_renderables));
OGRE_DELETE screen_renderables;
}
bool Silverback::frameStarted(const Ogre::FrameEvent& evt)
{
for (std::vector<ScreenRenderable*>::iterator it = mScreenRenderables.begin(); it != mScreenRenderables.end(); it++)
(*it)->frameStarted();
return true;
}
LayerContainer::LayerContainer(TextureAtlas* atlas)
: mIndexRedrawAll(false), mAtlas(atlas)
{
}
LayerContainer::~LayerContainer()
{
for (std::vector<Layer*>::iterator it = mLayers.begin(); it != mLayers.end(); it++)
OGRE_DELETE (*it);
_destroyVertexBuffer();
}
Layer* LayerContainer::createLayer(Ogre::uint index)
{
Layer* layer = OGRE_NEW Layer(index, this);
mLayers.push_back(layer);
std::map<Ogre::uint, IndexData*>::iterator index_data = mIndexData.find( layer->getIndex() );
if (index_data == mIndexData.end())
{
mIndexData[layer->getIndex()] = OGRE_NEW IndexData();
index_data = mIndexData.find( layer->getIndex() );
}
(*index_data).second->mLayers.push_back( layer );
(*index_data).second->mRedrawNeeded = true;
mIndexRedrawNeeded = true;
return layer;
}
/*! function. destroyLayer
desc.
Destroy a layer and it's contents.
*/
void LayerContainer::destroy(Layer* layer)
{
if (layer == 0)
return;
std::map<Ogre::uint, IndexData*>::iterator index_data = mIndexData.find( layer->getIndex() );
// Remove layer from index, and delete index if index is empty.
if (index_data != mIndexData.end())
{
IndexData* indexData = (*index_data).second;
indexData->mLayers.erase(std::find(indexData->mLayers.begin(), indexData->mLayers.end(), layer));
indexData->mRedrawNeeded = true;
mIndexRedrawNeeded = true;
if (indexData->mLayers.size() == 0)
{
mIndexData.erase(index_data);
OGRE_DELETE indexData;
}
}
mLayers.erase(std::find(mLayers.begin(), mLayers.end(), layer));
OGRE_DELETE layer;
}
void LayerContainer::_createVertexBuffer(size_t initialSize = 32)
{
mVertexBufferSize = initialSize * 6;
mRenderOpPtr->vertexData = OGRE_NEW Ogre::VertexData;
mRenderOpPtr->vertexData->vertexStart = 0;
Ogre::VertexDeclaration* vertexDecl = mRenderOpPtr->vertexData->vertexDeclaration;
size_t offset = 0;
// Position.
vertexDecl->addElement(0,0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
// Colour
vertexDecl->addElement(0, offset, Ogre::VET_FLOAT4, Ogre::VES_DIFFUSE);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT4);
// Texture Coordinates
vertexDecl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
mVertexBuffer = Ogre::HardwareBufferManager::getSingletonPtr()
->createVertexBuffer(
vertexDecl->getVertexSize(0),
mVertexBufferSize,
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE,
false
);
mRenderOpPtr->vertexData->vertexBufferBinding->setBinding(0, mVertexBuffer);
mRenderOpPtr->operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
mRenderOpPtr->useIndexes = false;
}
void LayerContainer::_destroyVertexBuffer()
{
OGRE_DELETE mRenderOpPtr->vertexData;
mRenderOpPtr->vertexData = 0;
mVertexBuffer.setNull();
mVertexBufferSize = 0;
}
void LayerContainer::_resizeVertexBuffer(size_t requestedSize)
{
if (mVertexBufferSize == 0)
_createVertexBuffer();
if (requestedSize > mVertexBufferSize)
{
size_t newVertexBufferSize = 1;
while(newVertexBufferSize < requestedSize)
newVertexBufferSize <<= 1;
mVertexBuffer = Ogre::HardwareBufferManager::getSingletonPtr()->createVertexBuffer(
mRenderOpPtr->vertexData->vertexDeclaration->getVertexSize(0),
newVertexBufferSize,
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE,
false
);
mVertexBufferSize = newVertexBufferSize;
mRenderOpPtr->vertexData->vertexStart = 0;
mRenderOpPtr->vertexData->vertexBufferBinding->setBinding(0, mVertexBuffer);
}
}
void LayerContainer::_recalculateIndexes()
{
std::map<Ogre::uint, IndexData*>::iterator index_data;
// Clear all index data.
for(std::map< Ogre::uint, IndexData* >::iterator index_data = mIndexData.begin(); index_data != mIndexData.end(); index_data++)
{
(*index_data).second->mVertices.remove_all();
(*index_data).second->mLayers.clear();
(*index_data).second->mRedrawNeeded = false;
}
// Loop through layers, and add them to IndexData
for(std::vector<Layer*>::iterator layer = mLayers.begin(); layer != mLayers.end(); layer++)
{
index_data = mIndexData.find( (*layer)->getIndex() );
if (index_data == mIndexData.end())
{
mIndexData[(*layer)->getIndex()] = OGRE_NEW IndexData();
index_data = mIndexData.find( (*layer)->getIndex() );
}
(*index_data).second->mLayers.push_back( (*layer) );
}
// Prune any index data that is not.
bool deleted = false;
while(0xDEADBEEF)
{
deleted = false;
for(std::map< Ogre::uint, IndexData* >::iterator index_data = mIndexData.begin(); index_data != mIndexData.end(); index_data++)
{
if ( (*index_data).second->mLayers.size() == 0)
{
OGRE_DELETE (*index_data).second;
mIndexData.erase(index_data);
deleted = true;
break;
}
}
if (!deleted)
break;
}
mIndexRedrawAll = true;
}
void LayerContainer::_redrawIndex(Ogre::uint index, bool force)
{
std::map<Ogre::uint, IndexData*>::iterator it = mIndexData.find( index );
if (it == mIndexData.end())
return;
IndexData* indexData = (*it).second;
indexData->mVertices.remove_all();
indexData->mRedrawNeeded = false;
for (size_t i=0;i < indexData->mLayers.size();i++)
{
if (indexData->mLayers[i]->mVisible)
indexData->mLayers[i]->_render( indexData->mVertices, force );
}
}
void LayerContainer::_requestIndexRedraw(Ogre::uint index)
{
std::map<Ogre::uint, IndexData*>::iterator it = mIndexData.find( index );
if (it == mIndexData.end())
return;
(*it).second->mRedrawNeeded = true;
mIndexRedrawNeeded = true;
}
void LayerContainer::_redrawAllIndexes(bool force)
{
mIndexRedrawNeeded = false;
for(std::map<Ogre::uint, IndexData*>::iterator it = mIndexData.begin(); it != mIndexData.end();it++)
{
IndexData* indexData = (*it).second;
if (indexData->mRedrawNeeded || force)
{
//std::cout << "+++ Drawing Index: " << (*it).first;
indexData->mVertices.remove_all();
indexData->mRedrawNeeded = false;
for (size_t i=0;i < indexData->mLayers.size();i++)
{
if (indexData->mLayers[i]->mVisible)
indexData->mLayers[i]->_render( indexData->mVertices, force );
}
}
}
}
void LayerContainer::_renderVertices(bool force)
{
if (mIndexRedrawNeeded == false)
if (!force)
return;
_redrawAllIndexes(force);
size_t knownVertexCount = 0;