libgui/source/gui/GameBgImage.cpp
2020-08-13 12:58:19 +02:00

41 lines
1.6 KiB
C++

#include <gui/GameBgImage.h>
#include <gui/video/CVideo.h>
#include <gui/video/shaders/Shader3D.h>
GameBgImage::GameBgImage(const std::string &filename, GuiImageData *preloadImage)
: GuiImageAsync(filename, preloadImage) {
identity = glm::mat4(1.0f);
alphaFadeOut = glm::vec4(1.0f, 0.075f, 5.305f, 2.0f);
}
GameBgImage::~GameBgImage() {
}
void GameBgImage::draw(CVideo *pVideo) {
if (!getImageData() || !getImageData()->getTexture()) {
return;
}
//! first setup 2D GUI positions
float currPosX = getCenterX();
float currPosY = getCenterY();
float currPosZ = getDepth();
float currScaleX = getScaleX() * (float) getWidth() * pVideo->getWidthScaleFactor();
float currScaleY = getScaleY() * (float) getHeight() * pVideo->getHeightScaleFactor();
float currScaleZ = getScaleZ() * (float) getWidth() * pVideo->getDepthScaleFactor();
glm::mat4 m_modelView = glm::translate(identity, glm::vec3(currPosX, currPosY, currPosZ));
m_modelView = glm::scale(m_modelView, glm::vec3(currScaleX, currScaleY, currScaleZ));
Shader3D::instance()->setShaders();
Shader3D::instance()->setProjectionMtx(identity);
Shader3D::instance()->setViewMtx(identity);
Shader3D::instance()->setModelViewMtx(m_modelView);
Shader3D::instance()->setTextureAndSampler(getImageData()->getTexture(), getImageData()->getSampler());
Shader3D::instance()->setAlphaFadeOut(alphaFadeOut);
Shader3D::instance()->setDistanceFadeOut(0.0f);
Shader3D::instance()->setColorIntensity(glm::vec4(1.0f, 1.0f, 1.0f, getAlpha()));
Shader3D::instance()->setAttributeBuffer();
Shader3D::instance()->draw();
}