From ad860abf7d87f1adecb980b5140f69d7fecb71e8 Mon Sep 17 00:00:00 2001
From: Dmitri K <kolytchev.d@gmail.com>
Date: Fri, 18 Nov 2016 22:31:24 -0500
Subject: [PATCH] starting game UI

---
 src/viewer/simpleViewer.cpp | 33 +++++++++++++++++++++++++++++++++
 src/viewer/simpleViewer.h   |  6 ++++--
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/src/viewer/simpleViewer.cpp b/src/viewer/simpleViewer.cpp
index b4adfaf..83d05a0 100644
--- a/src/viewer/simpleViewer.cpp
+++ b/src/viewer/simpleViewer.cpp
@@ -167,6 +167,8 @@ void Viewer::draw()
 	modelStack.push(modelViewMatrix);
 	root.accept(*this);
 
+	drawUi();
+
 	sunRotate.setToIdentity();
 	//float rotAngle = (frame * angle_mult) % 360;
 }
@@ -822,6 +824,37 @@ void Viewer::startAniumation(){}
 
 void Viewer::stopAnimation(){}
 
+
+void Viewer::drawUi(){
+
+	glCullFace(GL_FRONT);
+
+	QMatrix4x4 projectionMatrix;
+	QMatrix4x4 uiViewMatrix;
+
+	uiViewMatrix.translate(0, -1.5, -4);
+	camera()->getProjectionMatrix(projectionMatrix);
+
+	float colorMult = 0.2 + std::fabs(0.8 * cos(std::fmod(angle_mult * frame + 300, 360) / 360 * M_PI));
+
+	m_program->setUniformValue(m_isSkyLoc, false);
+	m_program->setUniformValue(m_drawTextLoc, true);
+	m_program->setUniformValue(m_isLightLoc, true);
+
+	glBindVertexArray(m_VAOs[VAO_Cube]);
+	uiViewMatrix.scale(.25, .25, .01);
+	uiViewMatrix.translate(-TEX_LENGTH/2.0, 0, 0);
+	for(int i = 0; i<TEX_LENGTH; i++)
+	{
+		TexturePrograms[i]->bind();
+		m_program->setUniformValue(m_mvMatrixLocation, uiViewMatrix);
+		uiViewMatrix.translate(1.2, 0, 0);
+		glDrawArrays(GL_TRIANGLES, 0, 36);
+	}
+
+}
+
+
 PickedGeom Viewer::pickGeom(int x, int y){
 
 	makeCurrent();
diff --git a/src/viewer/simpleViewer.h b/src/viewer/simpleViewer.h
index 15d9ca9..7daff12 100644
--- a/src/viewer/simpleViewer.h
+++ b/src/viewer/simpleViewer.h
@@ -92,6 +92,8 @@ private:
 	void startAniumation();
 	void stopAnimation();
 
+	void drawUi();
+
 	// shader switching variables and constants;
     QOpenGLShaderProgram *colorPickerShaderProgram;
     QOpenGLShaderProgram *textureRenderShaderprogram;
@@ -162,10 +164,10 @@ private:
 	};
 
 	QString TexturePaths[TEX_LENGTH] = {
-		"src/data/dry_gound.jpg",
+		"src/data/dry_ground.jpg",
 		"src/data/granite_floor.jpg",
 		"src/data/grass.jpg",
-		"src/data/limestone_walls.jpg",
+		"src/data/limestone_wall.jpg",
 		"src/data/pierre_bouchardee.jpg",
 		"src/data/wood_floor.jpg"
 	};