void MGuiSlide::draw(void)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
if(! isVisible())
return;
if(! isPressed())
updateFromVariable();
if(isPressed()) // pressed
{
render->setColor4(getPressedColor());
if(hasPressedTexture())
{
render->enableTexture();
m_button.drawTexturedQuad(getPressedTexture());
}
else
{
render->disableTexture();
m_button.drawQuad();
}
}
else if(isHighLight()) // highLight
{
render->setColor4(getHighLightColor());
if(hasHighLightTexture()){
render->enableTexture();
m_button.drawTexturedQuad(getHighLightTexture());
}
else
{
render->disableTexture();
m_button.drawQuad();
}
}
else // normal
{
render->setColor4(getNormalColor());
if(hasNormalTexture())
{
render->enableTexture();
m_button.drawTexturedQuad(getNormalTexture());
}
else
{
render->disableTexture();
m_button.drawQuad();
}
}
MGuiEvent guiEvent;
guiEvent.type = MGUI_EVENT_DRAW;
if(m_pointerEvent)
m_pointerEvent(this, &guiEvent);
}
void MaratisPlayer::graphicLoop(void)
{
MWindow * window = MWindow::getInstance();
MEngine * engine = MEngine::getInstance();
MRenderingContext * render = engine->getRenderingContext();
// game
MGame * game = engine->getGame();
if(game)
{
if(game->isRunning())
{
render->disableScissorTest();
render->setViewport(0, 0, window->getWidth(), window->getHeight());
game->draw();
}
else
{
render->clear(M_BUFFER_COLOR);
}
}
else
{
render->clear(M_BUFFER_COLOR);
}
}
void Atlas::Generate(bool clear)
{
m_Atlas.create(M_UBYTE, m_Width, m_Height, m_BPP);
unsigned char col[]= {255, 255, 255, 0};
for(uint32 x = 0; x < m_Width; ++x)
for(uint32 y = 0; y < m_Height; ++y)
m_Atlas.writePixel(x, y, col);
for(imageMapIter iImage = m_Images.begin();
iImage != m_Images.end();
iImage++)
WriteImage(iImage->second);
MEngine* engine = MEngine::getInstance();
MRenderingContext* render = engine->getRenderingContext();
if(m_TextureID == 0)
render->createTexture(&m_TextureID);
render->bindTexture(m_TextureID);
render->sendTextureImage(&m_Atlas, false, 1, 0);
if(clear)
{
// remove images
delete [] m_Layout;
m_Layout = NULL;
}
}
void MGui2d::drawTexturedQuad(unsigned int textureId)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
MVector2 g_vertices[8];
MVector2 g_texCoords[8];
render->disableNormalArray();
render->disableColorArray();
render->enableVertexArray();
render->enableTexCoordArray();
g_vertices[0] = MVector2(m_position.x, m_position.y);
g_vertices[1] = MVector2(m_position.x, m_position.y + m_scale.y);
g_vertices[3] = MVector2(m_position.x + m_scale.x, m_position.y + m_scale.y);
g_vertices[2] = MVector2(m_position.x + m_scale.x, m_position.y);
g_texCoords[0] = MVector2(0, 0);
g_texCoords[1] = MVector2(0, 1);
g_texCoords[3] = MVector2(1, 1);
g_texCoords[2] = MVector2(1, 0);
render->setTexCoordPointer(M_FLOAT, 2, g_texCoords);
render->setVertexPointer(M_FLOAT, 2, g_vertices);
render->bindTexture(textureId);
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 4);
}
void MGuiTextureFont::draw(const char * text, const MVector2 & position, float size)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
MVector2 g_vertices[4];
MVector2 g_texCoords[4];
float xc=position.x, yc=position.y, u=0, v=0;
render->disableNormalArray();
render->disableColorArray();
render->enableVertexArray();
render->enableTexCoordArray();
render->setVertexPointer(M_FLOAT, 2, g_vertices);
render->setTexCoordPointer(M_FLOAT, 2, g_texCoords);
render->bindTexture(m_texture);
unsigned int i;
unsigned int textLength = strlen(text);
for(i=0; i<textLength; i++)
{
if(text[i] == '\n') // return
{
yc += size;
xc = position.x;
}
else if(text[i] == ' ') // tab
{
xc += size * getTabSpace();
}
else
{
u=float((unsigned char)text[i]%16)/16.0f; //u position of character
v=float((unsigned char)text[i]/16)/16.0f; //v position of character
g_texCoords[0] = MVector2(u, v+0.0625f);
g_vertices[0] = MVector2(xc, yc+size);
g_texCoords[1] = MVector2(u+0.0625f, v+0.0625f);
g_vertices[1] = MVector2(xc+size, yc+size);
g_texCoords[3] = MVector2(u+0.0625f, v+0.001f);
g_vertices[3] = MVector2(xc+size, yc);
g_texCoords[2] = MVector2(u, v+0.001f);
g_vertices[2] = MVector2(xc, yc);
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 4);
xc += size * getSpace(); //move to next character
}
}
}
void MLevel::createFX(MShaderRef * vertexShaderRef, MShaderRef * pixelShaderRef, unsigned int * FXId)
{
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
unsigned int i;
unsigned int size = m_FXManager.getFXRefsNumber();
for(i=0; i<size; i++)
{
MFXRef * FXRef = (MFXRef *)m_FXManager.getFXRef(i);
if((FXRef->getVertexShaderRef() == vertexShaderRef) && (FXRef->getPixelShaderRef() == pixelShaderRef))
{
*FXId = FXRef->getFXId();
return;
}
}
render->createFX(FXId, vertexShaderRef->getShaderId(), pixelShaderRef->getShaderId());
m_FXManager.addFXRef(*FXId, vertexShaderRef, pixelShaderRef);
}
void MFixedRenderer::enableFog(MOCamera * camera)
{
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
float fogMin = camera->getClippingFar()*0.9999f;
if(camera->hasFog())
{
render->enableFog();
float camFogMin = camera->getClippingFar() - camera->getFogDistance();
if(camFogMin < fogMin)
fogMin = camFogMin;
}
else {
render->disableFog();
}
render->setFogColor(camera->getClearColor());
render->setFogDistance(fogMin, camera->getClippingFar());
}
void MGuiImage::draw(void)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
if(! isVisible())
return;
if(hasNormalTexture())
{
render->setColor4(getNormalColor());
render->enableTexture();
drawTexturedQuad(getNormalTexture());
return;
}
render->setColor4(getNormalColor());
render->disableTexture();
drawQuad();
}
void MShaderRef::update(void)
{
MEngine * engine = MEngine::getInstance();
MLevel * level = engine->getLevel();
MRenderingContext * render = engine->getRenderingContext();
char * text = readTextFile(getFilename());
if(text)
{
// gen shader if null
if(m_shaderId == 0)
{
switch(m_type)
{
case M_SHADER_VERTEX:
render->createVertexShader(&m_shaderId);
break;
case M_SHADER_PIXEL:
render->createPixelShader(&m_shaderId);
break;
}
}
// send shader source
render->sendShaderSource(m_shaderId, text);
SAFE_FREE(text);
MFXManager * FXManager = level->getFXManager();
unsigned int i;
unsigned int size = FXManager->getFXRefsNumber();
for(i=0; i<size; i++)
{
MFXRef * FXRef = FXManager->getFXRef(i);
if((FXRef->getPixelShaderRef() == this) || (FXRef->getVertexShaderRef() == this))
{
unsigned int FXId = FXRef->getFXId();
render->updateFX(FXId);
}
}
}
}
// draw
void draw(void)
{
MMouse * mouse = MMouse::getInstance();
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
Maratis::getInstance()->graphicLoop();
if(logo)
{
set2dMode(render);
render->setBlendingMode(M_BLENDING_ALPHA);
render->enableTexture();
render->setColor4(MVector4(1.0f));
drawLogo();
}
if(mouse->isLeftButtonPushed() || mouse->isMiddleButtonPushed() || (mouse->getWheelDirection() != 0))
logo = false;
MWindow::getInstance()->swapBuffer();
}
void Atlas::Select()
{
if(g_Selected == this)
return;
MEngine* engine = MEngine::getInstance();
MRenderingContext* render = engine->getRenderingContext();
Renderer::Flush();
render->enableTexture();
render->setBlendingMode(M_BLENDING_ALPHA);
render->enableBlending();
if(m_TextureID != 0)
{
render->bindTexture(m_TextureID);
//render->sendTextureImage(&m_Atlas, false, 1, 0);
}
g_Selected = this;
}
void MTextureRef::update(void)
{
M_PROFILE_SCOPE(MTextureRef::update);
MEngine * engine = MEngine::getInstance();
MRenderingContext * render = engine->getRenderingContext();
MImage image;
if(engine->getImageLoader()->loadData(getFilename(), &image))
{
if(m_textureId == 0)
render->createTexture(&m_textureId);
m_components = image.getComponents();
m_width = image.getWidth();
m_height = image.getHeight();
// send texture image
render->bindTexture(m_textureId);
render->sendTextureImage(&image, isMipmapEnabled(), 1, 0);
}
}
void draw(void)
{
MWindow * window = MWindow::getInstance();
MEngine * engine = MEngine::getInstance();
MRenderingContext * render = engine->getRenderingContext();
MGame * game = engine->getGame();
// set basic viewport
render->disableScissorTest();
render->setViewport(0, 0, window->getWidth(), window->getHeight());
if(game)
{
if(game->isRunning())
{
game->draw();
}
}
window->swapBuffer();
}
void MOCamera::updateProjMatrix(void)
{
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
render->getViewport(m_currentViewport);
float ratio = (m_currentViewport[2] / (float)m_currentViewport[3]);
// perspective view
if(! isOrtho())
{
// normal perspective projection
createPerspectiveView(&m_currentProjMatrix, m_fov, ratio, m_clippingNear, m_clippingFar);
return;
}
// ortho view
float height = m_fov * 0.5f;
float width = height * ratio;
createOrthoView(&m_currentProjMatrix, -width, width, -height, height, m_clippingNear, m_clippingFar);
}
void endDraw(void)
{
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
render->disableTexCoordArray();
render->disableColorArray();
render->disableNormalArray();
render->enableVertexArray();
render->setVertexPointer(M_FLOAT, 3, g_vertices);
render->drawArray(g_primitiveType, 0, g_verticesNumber);
}
void MOCamera::enableViewProjMatrix(void)
{
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
// projection
render->setMatrixMode(M_MATRIX_PROJECTION);
render->loadIdentity();
render->multMatrix(&m_currentProjMatrix);
// model view mode
render->setMatrixMode(M_MATRIX_MODELVIEW);
render->loadIdentity();
render->multMatrix(&m_currentViewMatrix);
}
void MGame::draw(void)
{
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
// get level
MLevel * level = MEngine::getInstance()->getLevel();
if(! level)
return;
// get current scene
MScene * scene = level->getCurrentScene();
if(! scene)
return;
// clear buffer
render->enableDepthTest();
if(scene->getCamerasNumber() == 0)
{
// draw scene with default camera
MOCamera camera;
render->setClearColor(*camera.getClearColor());
render->clear(M_BUFFER_COLOR | M_BUFFER_DEPTH);
camera.enable();
camera.updateListener();
scene->draw(&camera);
}
else
{
MOCamera * camera = NULL;
unsigned int currentCamera = scene->getCurrentCamera();
if(currentCamera < scene->getCamerasNumber())
camera = scene->getCameraByIndex(currentCamera);
else
camera = scene->getCameraByIndex(0);
render->setClearColor(*camera->getClearColor());
render->clear(M_BUFFER_COLOR | M_BUFFER_DEPTH);
camera->enable();
camera->updateListener();
scene->draw(camera);
}
}
// main
int main(int argc, char **argv)
{
setlocale(LC_NUMERIC, "C");
unsigned int width = 800;
unsigned int height = 400;
bool fullscreen = false;
// get engine
MEngine* engine = MEngine::getInstance();
// get window
MWindow* window = MWindow::getInstance();
window->setPointerEvent(windowEvents); // window events
// create window
if(! window->create("Maratis - ManualUse example", width, height, 32, fullscreen))
{
MLOG(4, "window create failed");
return 0;
}
if(fullscreen)
window->hideCursor();
// set current directory
{
char rep[256];
getRepertory(rep, argv[0]);
window->setCurrentDirectory(rep);
}
// create virtual contexts
MSoundContext * soundContext = new MALContext();
MRenderingContext * render = new MGLContext();
MPhysicsContext * physics = new MBulletContext();
MScriptContext * script = new MScript();
MInputContext * input = new MInput();
MSystemContext * system = new MWinContext();
MLOG(5, "Render version: " << render->getRendererVersion());
// create default Level and Game
MLevel * level = new MLevel();
MGame * game = new MyGame(); // MyGame
// init MEngine (you can replace all contexts by others and add or use different data loaders)
engine->setSoundContext(soundContext); // sound context
engine->setRenderingContext(render); // rendering context
engine->setPhysicsContext(physics); // physics context
engine->setScriptContext(script); // script context
engine->setInputContext(input); // input context
engine->setSystemContext(system); // system context
engine->getImageLoader()->addLoader(M_loadImage); // image loader
engine->getSoundLoader()->addLoader(M_loadSound); // sound loader
// engine->getLevelLoader()->addLoader(xmlLevelLoad); // level loader : uncomment if wanted
engine->getFontLoader()->addLoader(M_loadFont); // font loader
// engine->getFontLoader()->addLoader(M_loadBinFont); // bin font loader : uncomment if wanted
// add some default "Maratis" behaviors : uncomment if wanted or add custom
// engine->getBehaviorManager()->addBehavior(MBLookAt::getStaticName(), M_OBJECT3D_CAMERA, MBLookAt::getNew);
// engine->getBehaviorManager()->addBehavior(MBFollow::getStaticName(), M_OBJECT3D, MBFollow::getNew);
// add renderers
engine->getRendererManager()->addRenderer(MStandardRenderer::getStaticName(), MStandardRenderer::getNew);
engine->getRendererManager()->addRenderer(MFixedRenderer::getStaticName(), MFixedRenderer::getNew);
// mesh loader
engine->getMeshLoader()->addLoader(xmlMeshLoad);
engine->getArmatureAnimLoader()->addLoader(xmlArmatureAnimLoad);
engine->getTexturesAnimLoader()->addLoader(xmlTextureAnimLoad);
engine->getMaterialsAnimLoader()->addLoader(xmlMaterialAnimLoad);
// set level
engine->setLevel(level);
// set game
engine->setGame(game);
// set renderer (standard)
MRenderer * renderer = engine->getRendererManager()->getRendererByName("StandardRenderer")->getNewRenderer();
engine->setRenderer(renderer);
// begin game
game->begin();
// time
unsigned int frequency = 60;
unsigned long previousFrame = 0;
unsigned long startTick = window->getSystemTick();
// on events
while(window->isActive())
{
// on events
if(window->onEvents())
{
// compute target tick
unsigned long currentTick = window->getSystemTick();
unsigned long tick = currentTick - startTick;
unsigned long frame = (unsigned long)(tick * (frequency * 0.001f));
// update elapsed time
unsigned int i;
unsigned int steps = (unsigned int)(frame - previousFrame);
if(window->getFocus())
{
// don't wait too much
if(steps >= (frequency/2))
{
update();
draw();
previousFrame += steps;
continue;
}
// update
for(i=0; i<steps; i++)
{
update();
previousFrame++;
}
// draw
if(steps > 0){
draw();
}
}
else
{
previousFrame = frame;
window->swapBuffer();
}
}
}
MLOG(5, "ending game...");
game->end();
MLOG(5, "destroying renderer...");
renderer->destroy();
SAFE_DELETE(game);
SAFE_DELETE(level);
SAFE_DELETE(render);
SAFE_DELETE(soundContext);
SAFE_DELETE(physics);
SAFE_DELETE(script);
SAFE_DELETE(input);
SAFE_DELETE(system);
return 0;
}
void MFixedRenderer::drawDisplayTriangles(MSubMesh * subMesh, MDisplay * display, MVector3 * vertices)
{
M_PROFILE_SCOPE(MFixedRenderer::drawDisplayTriangles);
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
// begin / size
unsigned int begin = display->getBegin();
unsigned int size = display->getSize();
// display properties
M_PRIMITIVE_TYPES primitiveType = display->getPrimitiveType();
M_CULL_MODES cullMode = display->getCullMode();
// cull mode
if(cullMode == M_CULL_NONE){
render->disableCullFace();
}
else{
render->enableCullFace();
render->setCullMode(cullMode);
}
// indices
M_TYPES indicesType = subMesh->getIndicesType();
void * indices = subMesh->getIndices();
// FX
render->bindFX(0);
// Vertex
render->enableVertexArray();
render->setVertexPointer(M_FLOAT, 3, vertices);
// draw
if(indices)
{
switch(indicesType)
{
case M_USHORT:
render->drawElement(primitiveType, size, indicesType, (unsigned short*)indices + begin);
break;
case M_UINT:
render->drawElement(primitiveType, size, indicesType, (unsigned int*)indices + begin);
break;
}
}
else
render->drawArray(primitiveType, begin, size);
// disable vertex array
render->disableVertexArray();
// restore FX
render->bindFX(0);
}
void MGuiWindow::draw(void)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
if(! isVisible())
return;
MWindow * window = MWindow::getInstance();
rescaleScrollingBar();
render->enableScissorTest();
render->setScissor((int)getPosition().x, window->getHeight() - (int)getPosition().y - (unsigned int)getScale().y, (unsigned int)getScale().x, (unsigned int)getScale().y);
// normal clear
if((getNormalColor().w >= 1.0f) && (! hasNormalTexture()))
{
render->setClearColor(getNormalColor());
render->clear(M_BUFFER_COLOR);
MGuiEvent guiEvent;
guiEvent.type = MGUI_EVENT_DRAW;
if(m_pointerEvent)
m_pointerEvent(this, &guiEvent);
// 2d mode
set2dMode(render);
render->disableDepthTest();
render->disableCullFace();
render->disableLighting();
render->enableBlending();
render->setBlendingMode(M_BLENDING_ALPHA);
render->enableTexture();
}
else
{
// background
set2dMode(render);
render->disableDepthTest();
render->disableCullFace();
render->disableLighting();
render->enableBlending();
render->setBlendingMode(M_BLENDING_ALPHA);
if(hasNormalTexture()) // texture clear
{
render->enableTexture();
render->setColor4(getNormalColor());
drawTexturedQuad(getNormalTexture());
}
else if(getNormalColor().w < 1.0f)
{
render->disableTexture();
render->setColor4(getNormalColor());
drawQuad();
}
if(m_pointerEvent)
{
MGuiEvent guiEvent;
guiEvent.type = MGUI_EVENT_DRAW;
m_pointerEvent(this, &guiEvent);
// 2d mode
set2dMode(render);
render->disableDepthTest();
render->disableCullFace();
render->disableLighting();
render->enableBlending();
render->setBlendingMode(M_BLENDING_ALPHA);
render->enableTexture();
}
}
// gui
render->pushMatrix();
render->translate(MVector3(getPosition().x, getPosition().y, 0));
render->pushMatrix();
render->translate(MVector3(getScroll().x, getScroll().y, 0));
// drawing
unsigned int i;
unsigned int oSize = m_objects.size();
for(i=0; i<oSize; i++)
m_objects[i]->draw();
render->popMatrix();
// draw shadows
if(hasShadow())
{
render->disableScissorTest();
drawShadow();
render->enableScissorTest();
}
// scolling slides
if(isHorizontalScroll())
m_hScrollSlide.draw();
if(isVerticalScroll())
m_vScrollSlide.draw();
render->popMatrix();
}
bool M_loadFont(const char * filename, void * data, void * arg)
{
MFont * font = (MFont *)data;
int pen_x, pen_y, max_y;
unsigned int n, max_code = 4096;
unsigned int size = font->getFontSize();
unsigned int space = 2;
unsigned int width = 1024;
unsigned int height = 0;
MImage image;
FT_GlyphSlot slot;
FT_Library library;
FT_Face face;
FT_Byte * file_base;
FT_Long file_size;
// init
FT_Error error = FT_Init_FreeType(&library);
if(error){
printf("ERROR Load Font : unable to init FreeType\n");
return false;
}
// open file
MFile * file = M_fopen(filename, "rb");
if(! file)
{
FT_Done_FreeType(library);
printf("ERROR Load Font : can't read file %s\n", filename);
return false;
}
M_fseek(file, 0, SEEK_END);
file_size = M_ftell(file);
M_rewind(file);
file_base = new FT_Byte[file_size];
if(file_size != M_fread(file_base, sizeof(FT_Byte), file_size, file))
{
M_fclose(file);
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// read font
error = FT_New_Memory_Face(library, file_base, file_size, 0, &face);
M_fclose(file);
if(error)
{
printf("ERROR Load Font : unable to read data %s\n", filename);
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// set font size
error = FT_Set_Pixel_Sizes(face, 0, size);
if(error)
{
printf("ERROR Load Font : unable to size font\n");
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// parse characters
max_y = 0;
slot = face->glyph;
pen_x = space; pen_y = space;
for(n = 0; n<max_code; n++)
{
// load glyph image into the slot (erase previous one)
error = FT_Load_Char(face, n, FT_LOAD_RENDER | FT_LOAD_NO_HINTING);
if(error)
continue;
if(FT_Get_Char_Index(face, n) == 0)
continue;
// max y
max_y = MAX(max_y, slot->bitmap.rows);
if((pen_x + slot->bitmap.width + space) > width)
{
pen_x = space;
pen_y += max_y + space;
height += max_y + space;
max_y = 0;
}
// increment pen position
pen_x += slot->bitmap.width + space;
}
if(height == 0)
{
printf("ERROR Load Font : unable to create font texture\n");
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// create image
height = getNextPowerOfTwo(height);
image.create(M_UBYTE, width, height, 4);
memset(image.getData(), 0, image.getSize()*sizeof(char));
// init font
font->setTextureWidth(width);
font->setTextureHeight(height);
// create font texture
max_y = 0;
slot = face->glyph;
pen_x = space; pen_y = space;
for(n = 0; n<max_code; n++)
{
// load glyph image into the slot (erase previous one)
error = FT_Load_Char(face, n, FT_LOAD_RENDER | FT_LOAD_NO_HINTING);
if(error)
continue;
if(FT_Get_Char_Index(face, n) == 0)
continue;
// max y
max_y = MAX(max_y, slot->bitmap.rows);
if((pen_x + slot->bitmap.width + space) > (int)image.getWidth()){
pen_x = space;
pen_y += max_y + space;
}
// get character properties
float xAdvance = (slot->advance.x >> 6) / ((float)size);
MVector2 offset = MVector2((float)slot->bitmap_left - 1, - (float)slot->bitmap_top - 1) / ((float)size);
MVector2 pos = MVector2((float)(pen_x-1) / (float)width, (float)(pen_y-1) / (float)height);
MVector2 scale = MVector2((float)(slot->bitmap.width+2) / (float)width, (float)(slot->bitmap.rows+2) / (float)height);
// set character
font->setCharacter(n, MCharacter(xAdvance, offset, pos, scale));
// draw to image
drawBitmap(&image, &slot->bitmap, pen_x, pen_y);
// increment pen position
pen_x += slot->bitmap.width + space;
}
// send texture
MEngine * engine = MEngine().getInstance();
MRenderingContext * render = engine->getRenderingContext();
// gen texture id
unsigned int textureId = font->getTextureId();
if(textureId == 0)
{
render->createTexture(&textureId);
font->setTextureId(textureId);
}
// send texture image
render->bindTexture(textureId);
render->setTextureUWrapMode(M_WRAP_REPEAT);
render->setTextureVWrapMode(M_WRAP_REPEAT);
render->sendTextureImage(&image, 0, 1, 0);
// finish
FT_Done_FreeType(library);
delete [] file_base;
return true;
}
bool exportFontBin(const char * filename, MFont * font)
{
if(! font)
return false;
MEngine * engine = MEngine::getInstance();
MRenderingContext * render = engine->getRenderingContext();
// read image
MImage image;
render->bindTexture(font->getTextureId());
render->getTexImage(0, &image);
unsigned int width = image.getWidth();
unsigned int height = image.getHeight();
if(width == 0 && height == 0)
{
printf("Error : unable to create image font for %s\n", filename);
return false;
}
// create file
FILE * file = fopen(filename, "wb");
if(! file)
{
printf("Error : can't create file %s\n", filename);
return false;
}
// bin
fwrite(M_FONT_HEADER, sizeof(char), 8, file);
// version
int version = 1;
fwrite(&version, sizeof(int), 1, file);
// font size
unsigned int fontSize = font->getFontSize();
fwrite(&fontSize, sizeof(int), 1, file);
// write image
{
fwrite(&width, sizeof(int), 1, file);
fwrite(&height, sizeof(int), 1, file);
unsigned char color[4];
unsigned int x, y;
for(y=0; y<height; y++)
{
for(x=0; x<width; x++)
{
image.readPixel(x, y, color);
fwrite(&color[3], sizeof(char), 1, file);
}
}
}
// write characters infos
{
map <unsigned int, MCharacter> * characters = font->getCharacters();
// size
unsigned int size = font->getCharactersNumber();
fwrite(&size, sizeof(int), 1, file);
// characters
map <unsigned int, MCharacter>::iterator
mit (characters->begin()),
mend(characters->end());
for(;mit!=mend;++mit)
{
unsigned int charCode = mit->first;
MCharacter * character = &mit->second;
MVector2 pos = character->getPos();
MVector2 offset = character->getOffset();
MVector2 scale = character->getScale();
float xadvance = character->getXAdvance();
fwrite(&charCode, sizeof(int), 1, file);
fwrite(&pos, sizeof(float), 2, file);
fwrite(&offset, sizeof(float), 2, file);
fwrite(&scale, sizeof(float), 2, file);
fwrite(&xadvance, sizeof(float), 1, file);
}
}
fclose(file);
return true;
}
void MGuiTextureFont::drawSelection(const char * text, const MVector2 & position, float size, unsigned int startId, unsigned int endId)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
if(startId == endId)
return;
MVector2 g_vertices[4];
render->disableNormalArray();
render->disableColorArray();
render->disableTexCoordArray();
render->enableVertexArray();
render->setVertexPointer(M_FLOAT, 2, g_vertices);
unsigned int start;
unsigned int end;
if(endId > startId)
{
start = startId;
end = endId;
}
else
{
start = endId;
end = startId;
}
render->disableTexture();
MVector2 startPosition = getCharacterPosition(text, position, size, start);
float xc = startPosition.x;
float yc = startPosition.y;
float offset = (size - (size*getSpace()))*0.5f;
// left quad
g_vertices[0] = MVector2(xc+offset, yc);
g_vertices[1] = MVector2(xc+offset, yc+size);
unsigned int i;
unsigned int textLength = strlen(text);
for(i=start; i<end && i<textLength; i++)
{
if(text[i] == '\n') // return
{
// right quad
{
g_vertices[3] = MVector2(xc+size*0.5f, yc+size);
g_vertices[2] = MVector2(xc+size*0.5f, yc);
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 4);
}
yc += size;
xc = position.x;
// left quad
{
g_vertices[0] = MVector2(xc+offset, yc);
g_vertices[1] = MVector2(xc+offset, yc+size);
}
}
else if(text[i] == ' ') // tab
{
xc += size * getTabSpace();
if(i+1 == end || i+1 == textLength)
{
// right quad
g_vertices[3] = MVector2(xc+offset, yc+size);
g_vertices[2] = MVector2(xc+offset, yc);
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 4);
}
}
else
{
xc += size * getSpace(); //move to next character
if(i+1 == end || i+1 == textLength)
{
// right quad
g_vertices[3] = MVector2(xc+offset, yc+size);
g_vertices[2] = MVector2(xc+offset, yc);
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 4);
}
}
}
}
void MGui2d::drawShadow(void)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
MVector2 g_vertices[8];
MVector4 g_colors[8];
render->disableTexture();
render->enableBlending();
render->setBlendingMode(M_BLENDING_ALPHA);
MVector4 color0 = MVector4(0, 0, 0, 0);
MVector4 color1 = MVector4(0, 0, 0, 0.05f);
float size = 4;
MVector2 dir[4];
dir[0] = MVector2(size, size*0.4f);
dir[1] = MVector2(size*0.4f, size);
dir[2] = MVector2(size*0.4f, size*0.1f);
dir[3] = MVector2(size*0.1f, size*0.4f);
render->disableNormalArray();
render->disableTexCoordArray();
render->enableVertexArray();
render->enableColorArray();
render->setVertexPointer(M_FLOAT, 2, g_vertices);
render->setColorPointer(M_FLOAT, 4, g_colors);
for(int i=0; i<4; i++)
{
g_colors[0] = color1;
g_vertices[0] = MVector2(0, m_scale.y) + MVector2(dir[i].x, 0);
g_colors[1] = color0;
g_vertices[1] = MVector2(0, m_scale.y) + MVector2(size, size) + dir[i];
g_colors[2] = color1;
g_vertices[2] = MVector2(m_scale.x, m_scale.y);
g_colors[3] = color0;
g_vertices[3] = MVector2(m_scale.x, m_scale.y) + MVector2(size, size) + dir[i];
g_colors[4] = color1;
g_vertices[4] = MVector2(m_scale.x, 0) + MVector2(0, dir[i].y);
g_colors[5] = color0;
g_vertices[5] = MVector2(m_scale.x, 0) + MVector2(size, size) + dir[i];
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 6);
}
}
void MGui2d::draw(void)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
if(! isVisible())
return;
if(isPressed()) // pressed
{
render->setColor4(getPressedColor());
if(hasPressedTexture())
{
render->enableTexture();
drawTexturedQuad(getPressedTexture());
}
else
{
render->disableTexture();
drawQuad();
}
}
else if(isHighLight()) // highLight
{
render->setColor4(getHighLightColor());
if(hasHighLightTexture()){
render->enableTexture();
drawTexturedQuad(getHighLightTexture());
}
else
{
render->disableTexture();
drawQuad();
}
}
else // normal
{
render->setColor4(getNormalColor());
if(hasNormalTexture())
{
render->enableTexture();
drawTexturedQuad(getNormalTexture());
}
else
{
render->disableTexture();
drawQuad();
}
}
if(isDrawingText() && (getText() != NULL))
{
render->enableTexture();
render->setColor4(getTextColor());
getFont()->draw(getText(), getPosition(), getTextSize());
}
// draw shadows
if(hasShadow())
{
render->pushMatrix();
render->translate(MVector3(getPosition().x, getPosition().y, 0));
drawShadow();
render->popMatrix();
}
}
void MGuiEditText::draw(void)
{
MRenderingContext * render = MGui::getInstance()->getRenderingContext();
if(! isVisible())
return;
if(! isPressed())
updateFromVariable();
// draw selection
if(isPressed())
{
render->disableTexture();
render->setColor4(MVector4(1, 0.1f, 0.1f, 0.3f));
getFont()->drawSelection(getText(), getPosition(), getTextSize(), m_startSelectionId, m_endSelectionId);
}
// set text color
if(isPressed()){
render->setColor4(getPressedColor());
}
else if(isHighLight()){
render->setColor4(getHighLightColor());
}
else{
render->setColor4(getNormalColor());
}
// draw text
render->enableTexture();
getFont()->draw(getText(), getPosition(), getTextSize());
if(isPressed() && (m_startSelectionId == m_endSelectionId)) // cursor
{
render->disableTexture();
render->setColor4(MVector4(1, 0, 0, 0.5f));
// position
MVector2 position = getFont()->getCharacterPosition(
getText(),
getPosition(),
getTextSize(),
getCharId()
);
// scale
MVector2 scale = MVector2(getTextSize() * 0.1f, getTextSize());
float offset = (getTextSize() - (getTextSize()*getFont()->getSpace()))*0.5f;
float px = (float)((int)(position.x + offset));
float py = (float)((int)position.y);
// draw
render->disableNormalArray();
render->disableTexCoordArray();
render->disableColorArray();
render->enableVertexArray();
MVector2 vertices[4] = {
MVector2(px, py),
MVector2(px, py + scale.y),
MVector2(px + scale.x, py),
MVector2(px + scale.x, py + scale.y)
};
render->setVertexPointer(M_FLOAT, 2, vertices);
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 4);
}
MGuiEvent guiEvent;
guiEvent.type = MGUI_EVENT_DRAW;
if(m_pointerEvent)
m_pointerEvent(this, &guiEvent);
}
void MFixedRenderer::drawDisplay(MSubMesh * subMesh, MDisplay * display, MVector3 * vertices, MVector3 * normals, MColor * colors)
{
M_PROFILE_SCOPE(MFixedRenderer::drawDisplay);
MEngine * engine = MEngine::getInstance();
MRenderingContext * render = engine->getRenderingContext();
render->setColor4(MVector4(1, 1, 1, 1));
// get material
MMaterial * material = display->getMaterial();
{
float opacity = material->getOpacity();
if(opacity <= 0.0f)
return;
// data
M_TYPES indicesType = subMesh->getIndicesType();
void * indices = subMesh->getIndices();
MVector2 * texCoords = subMesh->getTexCoords();
// begin / size
unsigned int begin = display->getBegin();
unsigned int size = display->getSize();
// get properties
M_PRIMITIVE_TYPES primitiveType = display->getPrimitiveType();
M_BLENDING_MODES blendMode = material->getBlendMode();
M_CULL_MODES cullMode = display->getCullMode();
MVector3 * diffuse = material->getDiffuse();
MVector3 * specular = material->getSpecular();
MVector3 * emit = material->getEmit();
float shininess = material->getShininess();
// get current fog color
MVector3 currentFogColor;
render->getFogColor(¤tFogColor);
// set cull mode
if(cullMode == M_CULL_NONE){
render->disableCullFace();
}
else{
render->enableCullFace();
render->setCullMode(cullMode);
}
// texture passes
unsigned int texturesPassNumber = MIN(8, material->getTexturesPassNumber());
// set blending mode
render->setBlendingMode(blendMode);
// alpha test
if(blendMode != M_BLENDING_ALPHA && texturesPassNumber > 0)
{
MTexturePass * texturePass = material->getTexturePass(0);
MTexture * texture = texturePass->getTexture();
if(texture)
{
if(texture->getTextureRef()->getComponents() > 3)
render->setAlphaTest(0.5f);
}
}
// set fog color depending on blending
switch(blendMode)
{
case M_BLENDING_ADD:
case M_BLENDING_LIGHT:
render->setFogColor(MVector3(0, 0, 0));
break;
case M_BLENDING_PRODUCT:
render->setFogColor(MVector3(1, 1, 1));
break;
}
// fixed pipeline
{
// no FX
render->bindFX(0);
// Vertex
render->enableVertexArray();
render->setVertexPointer(M_FLOAT, 3, vertices);
// Normal
if(normals)
{
render->enableNormalArray();
render->setNormalPointer(M_FLOAT, normals);
}
// Color
if(colors)
{
render->disableLighting();
render->enableColorArray();
render->setColorPointer(M_UBYTE, 4, colors);
}
// Material
render->setMaterialDiffuse(MVector4(diffuse->x, diffuse->y, diffuse->z, opacity));
render->setMaterialSpecular(MVector4(*specular));
render->setMaterialAmbient(MVector4());
render->setMaterialEmit(MVector4(*emit));
render->setMaterialShininess(shininess);
// switch to texture matrix mode
if(texturesPassNumber > 0)
render->setMatrixMode(M_MATRIX_TEXTURE);
else
render->disableTexture();
// Textures
int id = texturesPassNumber;
for(unsigned int t=0; t<texturesPassNumber; t++)
{
MTexturePass * texturePass = material->getTexturePass(t);
MTexture * texture = texturePass->getTexture();
if((! texture) || (! texCoords))
{
render->bindTexture(0, t);
render->disableTexture();
render->disableTexCoordArray();
continue;
}
// texCoords
unsigned int offset = 0;
if(subMesh->isMapChannelExist(texturePass->getMapChannel()))
offset = subMesh->getMapChannelOffset(texturePass->getMapChannel());
// texture id
unsigned int textureId = 0;
MTextureRef * texRef = texture->getTextureRef();
if(texRef)
textureId = texRef->getTextureId();
// bind texture
render->bindTexture(textureId, t);
render->enableTexture();
render->setTextureCombineMode(texturePass->getCombineMode());
render->setTextureUWrapMode(texture->getUWrapMode());
render->setTextureVWrapMode(texture->getVWrapMode());
// texture matrix
render->loadIdentity();
render->translate(MVector2(0.5f, 0.5f));
render->scale(*texture->getTexScale());
render->rotate(MVector3(0, 0, -1), texture->getTexRotate());
render->translate(MVector2(-0.5f, -0.5f));
render->translate(*texture->getTexTranslate());
// texture coords
render->enableTexCoordArray();
render->setTexCoordPointer(M_FLOAT, 2, texCoords + offset);
}
// switch back to modelview matrix mode
if(texturesPassNumber > 0)
render->setMatrixMode(M_MATRIX_MODELVIEW);
// draw
if(indices)
{
switch(indicesType)
{
case M_USHORT:
render->drawElement(primitiveType, size, indicesType, (unsigned short*)indices + begin);
break;
case M_UINT:
render->drawElement(primitiveType, size, indicesType, (unsigned int*)indices + begin);
break;
}
}
else{
render->drawArray(primitiveType, begin, size);
}
// disable arrays
render->disableVertexArray();
if(normals)
render->disableNormalArray();
if(colors)
render->disableColorArray();
// restore textures
for(int t=(int)(id-1); t>=0; t--)
{
render->bindTexture(0, t);
render->disableTexture();
render->disableTexCoordArray();
render->setTextureCombineMode(M_TEX_COMBINE_MODULATE);
render->setMatrixMode(M_MATRIX_TEXTURE);
render->loadIdentity();
render->setMatrixMode(M_MATRIX_MODELVIEW);
}
}
// restore fog and alpha test
render->setFogColor(currentFogColor);
if(blendMode != M_BLENDING_ALPHA)
render->setAlphaTest(0.0f);
// restore lighting
if(colors)
render->enableLighting();
}
}
void MFixedRenderer::drawTransparents(MSubMesh * subMesh, MArmature * armature)
{
M_PROFILE_SCOPE(MFixedRenderer::drawTransparents);
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
// data
MVector3 * vertices = subMesh->getVertices();
MVector3 * normals = subMesh->getNormals();
MColor * colors = subMesh->getColors();
if(! vertices)
return;
MSkinData * skinData = subMesh->getSkinData();
if(armature && skinData)
{
unsigned int verticesSize = subMesh->getVerticesSize();
unsigned int normalsSize = subMesh->getNormalsSize();
MVector3 * skinVertices = getVertices(verticesSize);
MVector3 * skinNormals = getNormals(normalsSize);
computeSkinning(armature, skinData, vertices, normals, NULL, skinVertices, skinNormals, NULL);
subMesh->getBoundingBox()->initFromPoints(skinVertices, verticesSize);
vertices = skinVertices;
normals = skinNormals;
}
render->setColorMask(0, 0, 0, 0);
unsigned int i;
unsigned int displayNumber = subMesh->getDisplaysNumber();
for(i=0; i<displayNumber; i++)
{
MDisplay * display = subMesh->getDisplay(i);
if((! display->isVisible()) || (! display->getMaterial()))
continue;
if(display->getMaterial()->getBlendMode() == M_BLENDING_ALPHA)
drawDisplayTriangles(subMesh, display, vertices);
}
render->setColorMask(1, 1, 1, 1);
render->setDepthMask(0);
for(i=0; i<displayNumber; i++)
{
MDisplay * display = subMesh->getDisplay(i);
if(! display->isVisible())
continue;
MMaterial * material = display->getMaterial();
if(material)
{
if(material->getBlendMode() != M_BLENDING_NONE)
drawDisplay(subMesh, display, vertices, normals, colors);
}
}
render->setDepthMask(1);
}
void MFixedRenderer::drawScene(MScene * scene, MOCamera * camera)
{
M_PROFILE_SCOPE(MFixedRenderer::drawScene);
struct MEntityLight
{
MBox3d lightBox;
MOLight * light;
};
struct MSubMeshPass
{
unsigned int subMeshId;
unsigned int lightsNumber;
MObject3d * object;
MOLight * lights[4];
};
// sub objects
#define MAX_TRANSP_SUBOBJ 4096
static int transpList[MAX_TRANSP_SUBOBJ];
static float transpZList[MAX_TRANSP_SUBOBJ];
static MSubMeshPass transpSubObjs[MAX_TRANSP_SUBOBJ];
// lights list
#define MAX_ENTITY_LIGHTS 256
static int entityLightsList[MAX_ENTITY_LIGHTS];
static float entityLightsZList[MAX_ENTITY_LIGHTS];
static MEntityLight entityLights[MAX_ENTITY_LIGHTS];
// get render
MRenderingContext * render = MEngine::getInstance()->getRenderingContext();
render->enableLighting();
render->enableBlending();
// make frustum
MFrustum * frustum = camera->getFrustum();
frustum->makeVolume(camera);
// update visibility
updateVisibility(scene, camera);
// fog
enableFog(camera);
// camera
MVector3 cameraPos = camera->getTransformedPosition();
// transp sub obj number
unsigned int transpSubObsNumber = 0;
// lights
unsigned int l;
unsigned int lSize = scene->getLightsNumber();
// entities
unsigned int i;
unsigned int eSize = scene->getEntitiesNumber();
for(i=0; i<eSize; i++)
{
// get entity
MOEntity * entity = scene->getEntityByIndex(i);
MMesh * mesh = entity->getMesh();
if(! entity->isActive())
continue;
if(! entity->isVisible())
{
if(mesh)
{
MArmature * armature = mesh->getArmature();
MArmatureAnim * armatureAnim = mesh->getArmatureAnim();
if(armature)
{
// animate armature
if(armatureAnim)
animateArmature(
mesh->getArmature(),
mesh->getArmatureAnim(),
entity->getCurrentFrame()
);
// TODO : optimize and add a tag to desactivate it
updateSkinning(mesh, armature);
(*entity->getBoundingBox()) = (*mesh->getBoundingBox());
}
}
continue;
}
// draw mesh
if(mesh)
{
MVector3 scale = entity->getTransformedScale();
MBox3d * entityBox = entity->getBoundingBox();
float minScale = scale.x;
minScale = MIN(minScale, scale.y);
minScale = MIN(minScale, scale.z);
minScale = 1.0f / minScale;
unsigned int entityLightsNumber = 0;
for(l=0; l<lSize; l++)
{
// get entity
MOLight * light = scene->getLightByIndex(l);
if(! light->isActive())
continue;
if(! light->isVisible())
continue;
// light box
MVector3 lightPos = light->getTransformedPosition();
MVector3 localPos = entity->getInversePosition(lightPos);
float localRadius = light->getRadius() * minScale;
MBox3d lightBox(
MVector3(localPos - localRadius),
MVector3(localPos + localRadius)
);
if(! entityBox->isInCollisionWith(&lightBox))
continue;
MEntityLight * entityLight = &entityLights[entityLightsNumber];
entityLight->lightBox = lightBox;
entityLight->light = light;
entityLightsNumber++;
if(entityLightsNumber == MAX_ENTITY_LIGHTS)
break;
}
// animate armature
if(mesh->getArmature() && mesh->getArmatureAnim())
animateArmature(
mesh->getArmature(),
mesh->getArmatureAnim(),
entity->getCurrentFrame()
);
// animate textures
if(mesh->getTexturesAnim())
animateTextures(mesh, mesh->getTexturesAnim(), entity->getCurrentFrame());
// animate materials
if(mesh->getMaterialsAnim())
animateMaterials(mesh, mesh->getMaterialsAnim(), entity->getCurrentFrame());
unsigned int s;
unsigned int sSize = mesh->getSubMeshsNumber();
for(s=0; s<sSize; s++)
{
MSubMesh * subMesh = &mesh->getSubMeshs()[s];
MBox3d * box = subMesh->getBoundingBox();
// check if submesh visible
if(sSize > 1)
{
MVector3 * min = box->getMin();
MVector3 * max = box->getMax();
MVector3 points[8] = {
entity->getTransformedVector(MVector3(min->x, min->y, min->z)),
entity->getTransformedVector(MVector3(min->x, max->y, min->z)),
entity->getTransformedVector(MVector3(max->x, max->y, min->z)),
entity->getTransformedVector(MVector3(max->x, min->y, min->z)),
entity->getTransformedVector(MVector3(min->x, min->y, max->z)),
entity->getTransformedVector(MVector3(min->x, max->y, max->z)),
entity->getTransformedVector(MVector3(max->x, max->y, max->z)),
entity->getTransformedVector(MVector3(max->x, min->y, max->z))
};
if(! frustum->isVolumePointsVisible(points, 8))
continue;
}
// subMesh center
MVector3 center = (*box->getMin()) + ((*box->getMax()) - (*box->getMin()))*0.5f;
center = entity->getTransformedVector(center);
// sort entity lights
unsigned int lightsNumber = 0;
for(l=0; l<entityLightsNumber; l++)
{
MEntityLight * entityLight = &entityLights[l];
if(! box->isInCollisionWith(&entityLight->lightBox))
continue;
MOLight * light = entityLight->light;
float z = (center - light->getTransformedPosition()).getLength();
entityLightsList[lightsNumber] = l;
entityLightsZList[l] = (1.0f/z)*light->getRadius();
lightsNumber++;
}
if(lightsNumber > 1)
sortFloatList(entityLightsList, entityLightsZList, 0, (int)lightsNumber-1);
// local lights
if(lightsNumber > 4)
lightsNumber = 4;
for(l=0; l<lightsNumber; l++)
{
MEntityLight * entityLight = &entityLights[entityLightsList[l]];
MOLight * light = entityLight->light;
// attenuation
float quadraticAttenuation = (8.0f / light->getRadius());
quadraticAttenuation = (quadraticAttenuation*quadraticAttenuation)*light->getIntensity();
// color
MVector3 color = light->getFinalColor();
// set light
render->enableLight(l);
render->setLightPosition(l, light->getTransformedPosition());
render->setLightDiffuse(l, MVector4(color));
render->setLightSpecular(l, MVector4(color));
render->setLightAmbient(l, MVector3(0, 0, 0));
render->setLightAttenuation(l, 1, 0, quadraticAttenuation);
// spot
render->setLightSpotAngle(l, light->getSpotAngle());
if(light->getSpotAngle() < 90){
render->setLightSpotDirection(l, light->getRotatedVector(MVector3(0, 0, -1)).getNormalized());
render->setLightSpotExponent(l, light->getSpotExponent());
}
else {
render->setLightSpotExponent(l, 0.0f);
}
}
for(l=lightsNumber; l<4; l++){
render->disableLight(l);
}
render->pushMatrix();
render->multMatrix(entity->getMatrix());
// draw opaques
drawOpaques(subMesh, mesh->getArmature());
if(subMesh->hasTransparency())
{
if(transpSubObsNumber < MAX_TRANSP_SUBOBJ)
{
// transparent subMesh pass
MSubMeshPass * subMeshPass = &transpSubObjs[transpSubObsNumber];
// lights
subMeshPass->lightsNumber = lightsNumber;
for(l=0; l<lightsNumber; l++)
subMeshPass->lights[l] = entityLights[entityLightsList[l]].light;
// z distance to camera
float z = getDistanceToCam(camera, center);
// set values
transpList[transpSubObsNumber] = transpSubObsNumber;
transpZList[transpSubObsNumber] = z;
subMeshPass->subMeshId = s;
subMeshPass->object = entity;
transpSubObsNumber++;
}
}
render->popMatrix();
}
mesh->updateBoundingBox();
(*entity->getBoundingBox()) = (*mesh->getBoundingBox());
}
}
// texts
unsigned int tSize = scene->getTextsNumber();
for(i=0; i<tSize; i++)
{
MOText * text = scene->getTextByIndex(i);
if(text->isActive() && text->isVisible())
{
// transparent pass
MSubMeshPass * subMeshPass = &transpSubObjs[transpSubObsNumber];
// center
MBox3d * box = text->getBoundingBox();
MVector3 center = (*box->getMin()) + ((*box->getMax()) - (*box->getMin()))*0.5f;
center = text->getTransformedVector(center);
// z distance to camera
float z = getDistanceToCam(camera, center);
// set values
transpList[transpSubObsNumber] = transpSubObsNumber;
transpZList[transpSubObsNumber] = z;
subMeshPass->object = text;
transpSubObsNumber++;
}
}
// sort transparent list
if(transpSubObsNumber > 1)
sortFloatList(transpList, transpZList, 0, (int)transpSubObsNumber-1);
// draw transparents
for(i=0; i<transpSubObsNumber; i++)
{
MSubMeshPass * subMeshPass = &transpSubObjs[transpList[i]];
MObject3d * object = subMeshPass->object;
// objects
switch(object->getType())
{
case M_OBJECT3D_ENTITY:
{
MOEntity * entity = (MOEntity *)object;
unsigned int subMeshId = subMeshPass->subMeshId;
MMesh * mesh = entity->getMesh();
MSubMesh * subMesh = &mesh->getSubMeshs()[subMeshId];
// animate armature
if(mesh->getArmature() && mesh->getArmatureAnim())
animateArmature(
mesh->getArmature(),
mesh->getArmatureAnim(),
entity->getCurrentFrame()
);
// animate textures
if(mesh->getTexturesAnim())
animateTextures(mesh, mesh->getTexturesAnim(), entity->getCurrentFrame());
// animate materials
if(mesh->getMaterialsAnim())
animateMaterials(mesh, mesh->getMaterialsAnim(), entity->getCurrentFrame());
// lights
for(l=0; l<subMeshPass->lightsNumber; l++)
{
MOLight * light = subMeshPass->lights[l];
// attenuation
float quadraticAttenuation = (8.0f / light->getRadius());
quadraticAttenuation = (quadraticAttenuation*quadraticAttenuation)*light->getIntensity();
// color
MVector3 color = light->getFinalColor();
// set light
render->enableLight(l);
render->setLightPosition(l, light->getTransformedPosition());
render->setLightDiffuse(l, MVector4(color));
render->setLightSpecular(l, MVector4(color));
render->setLightAmbient(l, MVector3(0, 0, 0));
render->setLightAttenuation(l, 1, 0, quadraticAttenuation);
// spot
render->setLightSpotAngle(l, light->getSpotAngle());
if(light->getSpotAngle() < 90){
render->setLightSpotDirection(l, light->getRotatedVector(MVector3(0, 0, -1)).getNormalized());
render->setLightSpotExponent(l, light->getSpotExponent());
}
else {
render->setLightSpotExponent(l, 0.0f);
}
}
for(l=subMeshPass->lightsNumber; l<4; l++){
render->disableLight(l);
}
render->pushMatrix();
render->multMatrix(entity->getMatrix());
drawTransparents(subMesh, mesh->getArmature());
render->popMatrix();
mesh->updateBoundingBox();
(*entity->getBoundingBox()) = (*mesh->getBoundingBox());
}
break;
case M_OBJECT3D_TEXT:
{
MOText * text = (MOText *)object;
render->pushMatrix();
render->multMatrix(text->getMatrix());
drawText(text);
render->popMatrix();
}
break;
}
}
render->disableLighting();
render->disableFog();
}
void MFixedRenderer::drawText(MOText * textObj)
{
M_PROFILE_SCOPE(MFixedRenderer::drawText);
MFont * font = textObj->getFont();
const char * text = textObj->getText();
vector <float> * linesOffset = textObj->getLinesOffset();
if(! (strlen(text) > 0 && font))
return;
if(linesOffset->size() == 0)
return;
MRenderingContext * render = MEngine().getInstance()->getRenderingContext();
render->enableBlending();
render->enableTexture();
render->disableLighting();
render->setColor4(*textObj->getColor());
render->setBlendingMode(M_BLENDING_ALPHA);
static MVector2 vertices[4];
static MVector2 texCoords[4];
render->disableNormalArray();
render->disableColorArray();
render->enableVertexArray();
render->enableTexCoordArray();
render->setVertexPointer(M_FLOAT, 2, vertices);
render->setTexCoordPointer(M_FLOAT, 2, texCoords);
render->bindTexture(font->getTextureId());
unsigned int lineId = 0;
float lineOffset = (*linesOffset)[0];
float size = textObj->getSize();
float tabSize = size*2;
float fontSize = (float)font->getFontSize();
float widthFactor = font->getTextureWith() / fontSize;
float heightFactor = font->getTextureHeight() / fontSize;
float xc = 0, yc = 0;
unsigned int i;
unsigned int textLen = strlen(text);
for(i=0; i<textLen; i++)
{
if(text[i] == '\n') // return
{
if(((i+1) < textLen))
{
lineId++;
lineOffset = (*linesOffset)[lineId];
yc += size;
xc = 0;
}
continue;
}
if(text[i] == '\t') // tab
{
int tab = (int)(xc / tabSize) + 1;
xc = tab*tabSize;
continue;
}
// get character
unsigned int charCode = (unsigned int)((unsigned char)text[i]);
MCharacter * character = font->getCharacter(charCode);
if(! character)
continue;
MVector2 pos = character->getPos();
MVector2 scale = character->getScale();
MVector2 offset = character->getOffset() * size + MVector2(lineOffset, 0);
float width = scale.x * widthFactor * size;
float height = scale.y * heightFactor * size;
// construct quad
texCoords[0] = MVector2(pos.x, (pos.y + scale.y));
vertices[0] = MVector2(xc, (yc + height)) + offset;
texCoords[1] = MVector2((pos.x + scale.x), (pos.y + scale.y));
vertices[1] = MVector2((xc + width), (yc + height)) + offset;
texCoords[3] = MVector2((pos.x + scale.x), pos.y);
vertices[3] = MVector2((xc + width), yc) + offset;
texCoords[2] = MVector2(pos.x, pos.y);
vertices[2] = MVector2(xc, yc) + offset;
// draw quad
render->drawArray(M_PRIMITIVE_TRIANGLE_STRIP, 0, 4);
//move to next character
xc += character->getXAdvance() * size;
}
}