1 files changed, 71 insertions, 0 deletions
diff --git a/yage/src/sprite.cpp b/yage/src/sprite.cpp
new file mode 100644
index 0000000..5821eb8
--- /dev/null
+++ b/yage/src/sprite.cpp
@@ -0,0 +1,71 @@
+#include "sprite.hpp"
+#include "resource_manager.hpp"
+#include "vertex.hpp"
+
+#include <cstddef>
+
+Sprite::Sprite()
+{}
+
+Sprite::~Sprite()
+{
+    if(vbo_id_ != 0)
+	glDeleteBuffers(1, &vbo_id_);
+}
+
+void Sprite::init(float x, float y, float width, float height, const std::string &texture_path)
+{
+    x_ = x;
+    y_ = y;
+    width_ = width;
+    height_ = height;
+    texture_ = ResourceManager::getTexture(texture_path);
+
+    if(vbo_id_ == 0)
+	glGenBuffers(1, &vbo_id_);
+
+    Vertex vertex_data[6];
+
+    vertex_data[0].setPosition(x+width, y+height);
+    vertex_data[0].setUv(1.f, 1.f);
+
+    vertex_data[1].setPosition(x, y+height);
+    vertex_data[1].setUv(0.f, 1.f);
+
+    vertex_data[2].setPosition(x, y);
+    vertex_data[2].setUv(0.f, 0.f);
+
+    vertex_data[3].setPosition(x, y);
+    vertex_data[3].setUv(0.f, 0.f);
+
+    vertex_data[4].setPosition(x+width, y+height);
+    vertex_data[4].setUv(1.f, 1.f);
+
+    vertex_data[5].setPosition(x+width, y);
+    vertex_data[5].setUv(1.f, 0.f);
+
+    for(int i = 0; i < 6; ++i)
+	vertex_data[i].setColor(255, 0, 255, 255);
+
+    vertex_data[1].setColor(0, 255, 255, 255);
+    vertex_data[4].setColor(255, 0, 0, 255);
+
+    glBindBuffer(GL_ARRAY_BUFFER, vbo_id_);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+void Sprite::draw()
+{
+    glBindTexture(GL_TEXTURE_2D, texture_.id);
+    glBindBuffer(GL_ARRAY_BUFFER, vbo_id_);
+    glEnableVertexAttribArray(0);
+
+    glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *)offsetof(Vertex, position));
+    glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(Vertex), (void *)offsetof(Vertex, color));
+    glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *)offsetof(Vertex, uv));
+    glDrawArrays(GL_TRIANGLES, 0, 6);
+    
+    glDisableVertexAttribArray(0);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);    
+}